UPGRADATION PROVISION OF AIR CONDITIONING AND HUMIDITY CONTROL OF CERTAIN BLDGS AT AIR FORCE STATION UTARLAI

Amount

NOTE: Schedule ‘A’ Part I to XII are under Ser No. 1.00 to 12.00 are Prepriced by MES. Bidders shall insert their lumpsum amount in the Green coloured field under Col-6 only.

Lump sum price worked out for Building / Structures as listed in Sch `A’ Part I.

Lump sum price worked out for Excavation & Earthwork as listed in Sch `A’ Part II

Lump sum price worked out for Internal Water Supply as listed in Sch `A’ Part III

Lump sum price worked out for Internal Electrification as listed in Sch `A’ Part IV

Lump sum price worked out for Additional Items of B/R and Staging as listed in Sch `A’ Part V

Lump sum price worked out for Road/Path as listed in Sch `A’ Part VI

Lump sum price worked out for Sewage Disposal as listed in Sch `A’ Part VII

Lump sum price worked out for Area Drainage as listed in Sch `A’ Part VIII

Lump sum price worked out for Security Fencing as listed in Sch `A’ Part IX

Lump sum price worked out for External Water Supply as listed in Sch `A’ Part X

Lump sum price worked out for External Electrification as listed in Sch `A’ Part XI

Lump sum price worked out for Certain items for Central Air conditioning Plant as listed in Sch `A’ Part XII

SCHEDULE 'A' PART - XIII is not prepriced by MES and prepriced rates indicates 0.0 under column 5 signified this fact only. Bidder shall insert their rates in Green filed under Col-6.

ROAD, PATH

Material and labour for 100 mm thick (compacted thickness) Wet Mix Macadam (WMM) with coarse aggregate of specification grade as per MORTH spread rolled and consolidated to required gradient and camber complete using mechanical paver/grader and tandem vibratory rollerd/earth compactor of capacity exc 8 tonne and not exceeding 15 tonne at OMC to achieve the min 98% density of MOD determined using modified density determination method as per IS Code on prepared subgrade complete all as specified and directed.

SEWAGE DISPOSAL

Supply and fix hume pipe Septic tank for 5 users designed to carry sewage and sullage water, including necessary excavation in any type of soil, PCC 1:4:8 foundation, vent shaft etc complete all as specified and directed.

Provn of of soak well 1.2m dia and 3 m deep complete excavation in any type of soil PCC 1:3:6 wall of honey combed maspnry complete all as shown in drawings in TD drawing No. CEAA/TD/80 Sheet no.1/2 & 2/2, as specified and as directed.

STAGING

S & F Rotational moulded polythylene water storage tank of capacity 3000 litres (Cylindrical vertal with closed top) hoisted and fixed in position including connections, fixtures complete all as specified and directed

INTERNAL ELECTRIFICATION

Supply and Fixing Energy efficient 10 Watts BEE 5 star rated, B-22 bore LED Lamp working at 230 volts 50 Hz complete as specified and directed.

Supply and fixing LED light fitting with high out put diffuser 2 feet, 10 watt BEE 5 star rated, 220 V AC decorative type with driver and LED lamp 5700K Rated CCT energy efficient with lumen efficiency corrosponding to five star BEE rating published for year of installation, pf 0.8, colour rendering index not less than 70%, IP20 complete with all accessories internally pre wired and including connecting up with twin core twisted flexible copper conductor cable with suitable size all as directed .

EXTERNAL ELECTRIFICATION

Supply & install ,testing and commissioning of transformer out door type as per IS : 1180 part - I, EEL-2 step down, copper Cu 99.9% purity, electrolytic grade wound 11KV/433 Volts (at no load) AC 3 phase 50 Hz 500 KVA capacity, core type, oil immersed naturally air cooled, oil natural air natural (ON/AN) , with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYn-11 with neutral brought out on secondry side (LV) and having taping at +5% to -10% in steps of 2.5% on HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 50 degree celsius in oil and 55 degree celsius in HV/LV winding when measured by resistance method after continuous full load run on an ambient temp of 40 degree celsius transformer shall be of BOLTLESS core design.

Transformer shall be double wound, core type with low loss, non ageing, high permeability CRGO prime core grade M-3/ M-OH / ZDKH /TCH grade, perfectly insulated and clamped to minimize noise and vibrations. The transformer shall be IS/IEC 60076 and as per IS-1180 part - I of 2014 marked. Flux Density at rated voltage and rated frequency should be 1.688 T the transformer shall be designed as per CBIP manual 317 for over-fluxing witstand capacity of 110% continuous, 125% for 1 minute and 140% for 5 seconds. and over loading capacity of transformer shall be as per IS 6600 , Noise level as per NEMA TR1, with class A insulation, Tank pressure, Vaccum witstand capability & minimum clearances as per CBIP manual, No Load Current within 1% to 2% of Full load current Tranformer losses shall not exceed the loses mentioned in Table 6 of IS: 1180 of 2014 Part - I with Energy Effeciency Level - 2 and shall comprise of the following accessories :-

(a) One cable box on HT side (Primary side) consisting of three no. porcelain bushing with copper rods, complete with nuts and washer , with cable glands suitable for reception/taking out 3 core 120 Sq mm, HT 11000 volts grade, XLPE insulated and PVC sheathed, heavy duty , armoured cables including jointing materials complete. (b) One cable box on LT side(secondary side) consisting of four no. porcelain bushing with copper rods, complete with nuts and washers, with cable glands suitable for reception/taking out single core /3.5 core of rated size/ runs of secondary currents, LT 1100 volts grade, PVC/XLPE insulated and PVC sheathed, heavy duty, armoured cables including jointing materials complete. with Bi metallic flexible connectors and copper bus bars of rated capacity with insulators support to be provided. (c) Conservator with filter type drain valve and oil level gauge. (d) De-hydrating breather with first fill of dehydrating agent (Silica Gel).

(e) Explosive vent, Thermometer pocket on tank cover, oil level gauge, Oil drain filter valve, Jacking / Lifting lugs, Marshalling Box, IP 55, with oil filling hole with cap/plug with connection plate complete, Air release valve plug and four no. plain solid cast steel detachable rollers. (f) One no 100 mm dia, dial type thermometer, vapour pressure type, having range 0-120 degree Celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. (g) Two earthing terminals on tank cover to facilitate fixing of 50x6mm galvanised iron earth strip for earthing of body. (h) Rating plate and terminal marking plate. (j) Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral. (k) First fill of new and unused transformer oil, IS-335 of 1986 marked, filtered and tested up to 50 KV dielectric strength at 2.5 mm air gap between testing electrodes, specific resistance at 27 Degree Celsius Ohm-ohm 500 x 10 the power12, water content 50 PPM, Dielectric dissipation factor (tan Delta at 90 degree Celsius) 0.005, Neutralisation value mg of KOH/gm of oil 0.03, Inter facial tension N/M at 27 Degree Celsius - 0.04, flash point 140 Degree Celsius and sludge 0.1 % by weight.

(l) Detachable Rollers of adequate load capacity and no. of channels, embedded in floor, for movement of transformer. (m) Top and Bottom Filter cum drain Valves with Dummy (n) 6" Oil temperature indicator and winding temperature indicator with alarm and Trip contacts (o) Radiators shall be of Detachable type with proper butter fly valves (p) The transformer plinth as per OEM recommendation. Cost of the same shall be deemed to be included in the rate quoted by the contractor and nothing extra will be admissible on this account.

S & F Automatic Power Factor Correction (APFC) Panel for 3 Phase, 415 V & 50 Hz system of capacity 250 KVAR with incoming MCCBs 3 pole 315 Amp alongwith the following accessories :- (a) Microprocessor based APFC relay (b) Heavy duty capacitors (c) Thyristor based contactors (d) 250 KVAR (100x1, 50x2, 20x2, 10x1) (e) MCCB 315 A, Microprocessor based (f) Control cable from LT panel to APFC panel alongwith CT.

Supply, installation, testing and commissioning outdoor type cubicle panel board suitable for 3 phase 4 wire 415V, 50Hz factory fabricated in an approved factory having modern fabrication process powder coating in approved shared provided with suitable gasket to make it dust/vermin proof & general construction conforming to IS: 86237 93 comprising of the following :- Outer shell : The outer shall be made out of 3.15mm thick CRCA sheet & MS angle section 50x50x6mm frame, factory fabricated with front & back openable double door system lockable/openable by keys from both sides having chromium plated 19mm dia fancy locks, louvers & air vent gasket for natural flow of air. ‘U’ type gasket shall be used to make the outer shall completely vermin proof. The bottom of the outer shall contains a detachable plate having provision for entry of armoured cable of adequate size with glands. The outer shall be powder coated with pure polyester Seimens gray structural RAL 7032 shade.

Provision of threaded earthing stud at bottom & lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection f outer shell shall be IP-54. Inner Shell : Inner shell shall be made out of 2.0mm thick CRCA sheet duly compartmentalized for each control gear, front & back openable single door system lockable/openable by keys from both sides having chromium plated 19mm dia fancy locks (02 Nos in each compartment) having louvers and air vent gasket for natural flow of air. ‘U’ type gasket shall be used to make the inner shall completely vermin proof & to accommodate incomer/outgoing MCCBs and TPN copper bus bar of rating not less than the 1.5 times of the rated capacity of the incomer MCCB.

The TPN bus bar shall be insulated with colour coded heat shrinkable sleeve and shall be mounted of suitable size ‘F’ class insulators made on non hygroscopic, non combustible, track resistant, high strength FRP/SMC/DMC material at interval not more than 500 mm throughout the length of the TPN bus bar. The Cubicle incomer MCCB as well as outgoings shall have copper TPN extension links of current carrying capacity not less than 1.5 times the rated capacity of individual feeders. The extension links shall not be less than 300 mm long supported on suitable size ‘F’ class insulators made of non hygroscopic, non combustible, track resistant, high strength FRP/SMC/DMC material having provision for termination of incomer and outgoing cables. All inter connections between the main bus bar as well as outgoing feeders shall be carried out with TPN copper bus bar of rating not less than 1.5 times rated capacity of individual outgoing feeders & should be insulated with heat shrinkable PVC sleeves. All control wires shall be with 1.5 sqmm multi stranded copper conductors and shall be properly bunched, tied, furruled for proper identification and crimped with adequate size of lugs.

Supply, installation, testing and commissioning outdoor type cubicle panel board suitable for 3 phase 4 wire 415V, 50Hz factory fabricated in an approved factory having modern fabrication process powder coating in approved shared provided with suitable gasket to make it dust/vermin proof & general construction conforming to IS: 86237 93 comprising of the following :- Outer shell : The outer shall be made out of 3.15mm thick CRCA sheet & MS angle section 50x50x6mm frame, factory fabricated with front & back openable double door system lockable/openable by keys from both sides having chromium plated 19mm dia fancy locks, louvers & air vent gasket for natural flow of air. ‘U’ type gasket shall be used to make the outer shall completely vermin proof. The bottom of the outer shall contains a detachable plate having provision for entry of armoured cable of adequate size with glands. The outer shall be powder coated with pure polyester Seimens gray structural RAL 7032 shade.

Provision of threaded earhing stud at bottom & lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection f outer shell shall be IP-54. Inner Shell : Inner shell shall be made out of 2.0mm thick CRCA sheet duly compartmentalized for each control gear, front & back openable single door system lockable/openable by keys from both sides having chromium plated 19mm dia fancy locks (02 Nos in each compartment) having louvers ad air vent gasket for natural flow of air. ‘U’ type gasket shall be used to make the inner shall completely vermin proof & to accommodate incomer/outgoing MCCBs and TPN copper bus bar of rating not less than the 1.5 times of the rated capacity of the incomer MCCB.

The TPN bus bar shall be insulated with colour coded heat shrinkable sleeve and shall be mounted of suitable size ‘F’ class insulators made on non hygroscopic, non combustible, track resistant, high strength FRP/SMC/DMC material at interval not more than 500 mm throughout the length of the TPN bus bar. The Cubicle incomer MCCB as well as outgoings shall have copper TPN extension links of current carrying capacity not less than 1.5 times the rated capacity of individual feeders. The extension links shall not be less than 300 mm long supported on suitable size ‘F’ class insulators made of non hygroscopic, non combustible, track resistant, high strength FRP/SMC/DMC material having provision for termination of incomer and outgoing cables. All inter connections between the main bus bar as well as outgoing feeders shall be carried out with TPN copper bus bar of rating not less than 1.5 times rated capacity of individual outgoing feeders & should be insulated with heat shrinkable PVC sleeves. All control wires shall be with 1.5 sqmm multi stranded copper conductors and shall be properly bunched, tied, furruled for proper identification and crimped with adequate size of lugs.

Supply, installation, testing and commissioning outdoor type cubicle panel board suitable for 3 phase 4 wire 415V, 50Hz factory fabricated in an approved factory having modern fabrication process powder coating in approved shared provided with suitable gasket to make it dust/vermin proof & general construction conforming to IS: 86237 93 comprising of the following :- Outer shell : The outer shall be made out of 3.15mm thick CRCA sheet & MS angle section 50x50x6mm frame, factory fabricated with front & back openable double door system lockable/openable by keys from both sides having chromium plated 19mm dia fancy locks, louvers & air vent gasket for natural flow of air. ‘U’ type gasket shall be used to make the outer shall completely vermin proof. The bottom of the outer shall contains a detachable plate having provision for entry of armoured cable of adequate size with glands. The outer shall be powder coated with pure polyester Seimens gray structural RAL 7032 shade.

Provision of threaded earhing stud at bottom & lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection f outer shell shall be IP-54. Inner Shell : Inner shell shall be made out of 2.0mm thick CRCA sheet duly compartmentalized for each control gear, front & back openable single door system lockable/openable by keys from both sides having chromium plated 19mm dia fancy locks (02 Nos in each compartment) having louvers ad air vent gasket for natural flow of air. ‘U’ type gasket shall be used to make the inner shall completely vermin proof & to accommodate incomer/outgoing MCCBs and TPN copper bus bar of rating not less than the 1.5 times of the rated capacity of the incomer MCCB.

The TPN bus bar shall be insulated with colour coded heat shrinkable sleeve and shall be mounted of suitable size ‘F’ class insulators made on non hygroscopic, non combustible, track resistant, high strength FRP/SMC/DMC material at interval not more than 500 mm throughout the length of the TPN bus bar. The Cubicle incomer MCCB as well as outgoings shall have copper TPN extension links of current carrying capacity not less than 1.5 times the rated capacity of individual feeders. The extension links shall not be less than 300 mm long supported on suitable size ‘F’ class insulators made of non hygroscopic, non combustible, track resistant, high strength FRP/SMC/DMC material having provision for termination of incomer and outgoing cables. All inter connections between the main bus bar as well as outgoing feeders shall be carried out with TPN copper bus bar of rating not less than 1.5 times rated capacity of individual outgoing feeders & should be insulated with heat shrinkable PVC sleeves. All control wires shall be with 1.5 sqmm multi stranded copper conductors and shall be properly bunched, tied, furruled for proper identification and crimped with adequate size of lugs.

Supply, installation, testing and commissioning outdoor type cubicle panel board suitable for 3 phase 4 wire 415V, 50Hz factory fabricated in an approved factory having modern fabrication process powder coating in approved shared provided with suitable gasket to make it dust/vermin proof & general construction conforming to IS: 86237 93 comprising of the following :- Outer shell : The outer shall be made out of 3.15mm thick CRCA sheet & MS angle section 50x50x6mm frame, factory fabricated with front & back openable double door system lockable/openable by keys from both sides having chromium plated 19mm dia fancy locks, louvers & air vent gasket for natural flow of air. ‘U’ type gasket shall be used to make the outer shall completely vermin proof. The bottom of the outer shall contains a detachable plate having provision for entry of armoured cable of adequate size with glands. The outer shall be powder coated with pure polyester Seimens gray structural RAL 7032 shade.

Provision of threaded earhing stud at bottom & lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection f outer shell shall be IP-54. Inner Shell : Inner shell shall be made out of 2.0mm thick CRCA sheet duly compartmentalized for each control gear, front & back openable single door system lockable/openable by keys from both sides having chromium plated 19mm dia fancy locks (02 Nos in each compartment) having louvers ad air vent gasket for natural flow of air. ‘U’ type gasket shall be used to make the inner shall completely vermin proof & to accommodate incomer/outgoing MCCBs and TPN copper bus bar of rating not less than the 1.5 times of the rated capacity of the incomer MCCB.

The TPN bus bar shall be insulated with colour coded heat shrinkable sleeve and shall be mounted of suitable size ‘F’ class insulators made on non hygroscopic, non combustible, track resistant, high strength FRP/SMC/DMC material at interval not more than 500 mm throughout the length of the TPN bus bar. The Cubicle incomer MCCB as well as outgoings shall have copper TPN extension links of current carrying capacity not less than 1.5 times the rated capacity of individual feeders. The extension links shall not be less than 300 mm long supported on suitable size ‘F’ class insulators made of non hygroscopic, non combustible, track resistant, high strength FRP/SMC/DMC material having provision for termination of incomer and outgoing cables. All inter connections between the main bus bar as well as outgoing feeders shall be carried out with TPN copper bus bar of rating not less than 1.5 times rated capacity of individual outgoing feeders & should be insulated with heat shrinkable PVC sleeves. All control wires shall be with 1.5 sqmm multi stranded copper conductors and shall be properly bunched, tied, furruled for proper identification and crimped with adequate size of lugs.

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including providing and inserting HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure including one GI wire 6mm throughout the length complete all as specified and directed

S&F cable route indicator made of cast iron oval in shape 20 cm dia and 15 cm dia and 5mm thick with embossing “MES Cable_ x3 Core" backside welded on the angle iron 40mmx40mmx5mm, 1.2 m long (15mm hole pass leg length and 0.6m buried above the cable and with PCC1:2:4 150mmx150mmx600mm including painting with primer two coats and one coat of red colour paint”

Taking out serviceable XLPE cable 185 sqmm and relaying and connecting at new route complete all as specified and directed by Engineer-in-Charge. Note : i) Excavation, RFR, removal, Sand cushioning, Cable covers required will be paid in the relevant schedule of items. ii) During excavation if cable damaged by contractor then complete cable will be provided by the contractor as new at no extra cost.

M&L for sand cushioning for underground cable using fine sand 8cm before laying cable and 15cm after laying and punned to 180mm after laying of cable complete all as specified. (Note: Punned thickness shall measured and considered for payment purpose)

Supplying, installation, testing and commissioning of 11 KV 630 Amps, 21KA/3 outdoor type Ring main unit IP 54 protection plug in type extensible on one side SF 6 gas insulated two coming and one outgoing (4 way) with metering plate from mounted compact switch gear consisting of 02 Nos load break switch as incommer and 02 Nos outging VCBs, all live parts, bus bars VCB will be enclosed in robotically/manual welded minimum 2 mm thick stainless steel tank filled with SF 6 gas IP 67 Degree of protection and tested for internal arc 20 KA/1 sec as per latest IEC 62271-200 complete installed on plateform as recommended by OEM, including the cost of PCC foundation for placing of RMU on plinth complete all as specified and as directed. The unit shall include the following with all necessary standard fitting required at site:-

(A) Incoming Load Break Module - 02 Nos each switching unit shall be designed as a three position switch. This three function switch combines the functions of switch disconnector and earthing switch cables switch 12KV, 630Amp, 21 KA -01 Set. Snap action mechanism for motorised and manual (Both) operation with integrated earthing switch -01 Nos. Cable bushing 630 Amp standard C bushing -01. Fault passage indicator, On (N-1) load break switch where n=no of load break switch >>s/c & E/F FPI with digital display to be added for detection of cable fault. On, OFF, EARTH mechanical indication on the front mimic of the panel -01. Capactive voltage indication fixed type LED display -01. ON, OFF, TRIP mechanical indication on the front mimic of the panel -01. Cable box for termination of cable up to 1 No. x 185 sq.mm -01. Cable cover standard - 01. Set of 12KV cable termination Boots -01. Cable entry bottom front -01.

(B) (i) Out going VCBs - 02 Nos No consisting of following - function unit consist of vaccum circuit breaker in combination with a three position switch. The three position switch fulfills the operation of the disconnector function and earthing function circuits breaker unit is equipped with an over current tranformer for the protection of distribution Transformer/circuit vaccum circuit breaker 12 KV, not less than 400A, 21 KA-01. Spring assisted closing with stored Energy triping mechanism for motorised operation with integrated earthing Switch -01 live cable LED indicators through capactior voltage dividers mounted on the bushings push button for breakertrip -01 sec O/C + E/F self powered numerical protection relay with low and High set for over current and earth fault Relay should have facility to display the maximim loaded phase current also relay shall record minimum 5 fault records with time stamping -01 Alaram trip indication 6 window anuciator for tranformer faults mechanical ON/OFF/EARTH indication -01. Auxliary contacts on load switch are 1 No + 2NC & Auxiliary conract on earth switch is 1 No + 1NC-01. Self powered electronic numerical protection relay providing 3 over-currents & 1 E/F protection-01, shunt trip coil 24 V DC-01 capactive voltage indication fixed type LED display -01 ON/OFF/Trip

Mechanical indication on the front mimic of panel-01 cable box for termination boots-01. Metering Equipment incl. 01 X Digital Voltmeter (Acc.CL.05), 01 X Digital Ammeter (Acc.CL.05), 01 X Tri-Vector meter (Acc.Cl.0.5) for measuring of PF, KVAR, KWH, frequency, voltage with accuracy 1.0 for avitive energy, Auxliary relay for transformer protection -06 . The relay having faciliate to Transformer protection and connected with buchhol relay of 1000KVA Transformer complete all as specified and directed. (B) (ii) Out going VCB-01 No, One consisting of CT 100/1-5p10.2..5A-03

(C) Additional equipment deliverd separately or mounted seperatly, Bus connected with battery charger and inbuilt battries for motor power supply-01 (i) PT ratio 11KV/3/v3, 100 va, 0.5 class for measurement with volts meter (ii) Auxliary transformer of 11 KV/230V, 1 KVA for powering the motors and battery charger (iii) 24 V DC battery charger and battries for motor power supply. (iv) Trivector energy meter with RS 485 port (v) Standard mano meter -01, Operating handle -02, cable clampring provision (standard)-01 Operation and maintance manual -01, installation and commissioning manual- 01, cost of PCC work for placing RMU on plinth is deemed to be included in the cost, Height of plinth should not be less than 0.45 mtrs form ground level. NOTE :- (a) The above module consisting of two Load break Switch and VCBs shall be alligned appropriately and must have electrical and mechanical interlocking as per latest electrical safety norms including installation on plateform as recommended by OEM complete.

Supply, installing, testing and commissioing of indoor arc flash protected Draw-Out with roll on floor type Vacuum Circuit Breaker Panel, rated for 11KV, 630 Amp, 25KA/3-Sec, comprising of Incoming cum out going VCB Panels and alongwith TOP Panel mounted Draw out type bus PTs for each bus/line section, confirming to IEC 62271-200, and IS 13118, Accessibility class LSC2B-PM class, comprising of 630 Amp, continuous rated insulated copper busbars and droppers in all bus/ breaker/ adaptor and cable chambers, 02 Nos. Rack-In-Rack-out Handles, structure made from AluZinc/GI/Powder Coated CRCA sheets to prevent corrosion and rusting. The complete panel incl. HT and LT chamber with FRLS wiring and acessories shall be manufactured by approved OEM at its own manufacturing in house facility, and same will be verified via stage / final inspection, system house integrator / channel partner produccts are not accepted. The Make of the VCB, Panel and Relay shall be of the same Make / OEM. The panel shall consist of following OEM/ Makes : ABB/Siemens/ Schnider/ Crompton

(A) (i) 11 KV, 630 Amp, 25KA/3-Sec, Draw-Out vacuum circuit breaker as per IEC-62271-100. Vacuum circuit breker having -=03 Nos. Vacuum Circuit breaker as per IEC-62271-100. Vacuum bottles of same make as of circuit breaker and panel, ,motorized spring charging mechanism (230VAC) with integral spring chargng handle for manual charging, associated push-buttons, anti-pumping feature, and associated shunt trip/ close coils (110 VDC). (ii) Current Transformers 11 KV, 100-50/1-1-1, Core 3 : Classs 5P10, 5VP, Core 2 : Class 0.5, 5VA-Set of 03 Nos. (for measuring, rleaying and transformer differential)

(iii) Main protection relay shall be numerical IED relay confirming to IEC60255, having 04 CT inputs with microprocessor based protection scheme for tripping the breaker on various faults like. (a) Over -circuit or earth-fault in any of the three phases. (b) Circuit breaker-failure alarm. (c) Interpanel tripping/blocking signals via GOOSE based peer-to-peer communication, on IEC61850 protocol. (d) Integrted arc flash protection with current and light sensing. The relay shall be communicable on IEC 61850 GOOSE platform over RJ-45/ USB/FO port, and fully integrated with the feeder, internally capuring feeder statuses incl, various status, Line-current, breaker On/ Off/Spring. Chrgd, Trip circuit failure (from TCS relay), local-remote etc, and display locally on a built-in-back-lit LCD screen with mimic as a single-line-Diagram with current measurements and suitably labelled status LEDs. Relay setting should be possible through inbuilt software or through additional software supplied by the relay manufacturer.

(iv) Metering Equipment including:- (a) 01 x Digital Voltmeter (ACC. Cl.0.5), 01 x Digital Ammeter (ACC. Cl.0.5), (b) 01 No, Multi-function meter (Acc. Cl. 0.5) shall be provided with LCD display for measuring current, voltage, power, power-factor and energy-parameters, Total harmonic distortion and max, demand indication, same shall be communicable on Modbus via RS485 port. (v) LED Indications - (a) Breaker ON/OFF/TRIP/Spring-Charged, (b) Trip circuit healthy (vi) 08-Window Annunciator with Hooter to indicate following alarms :- (a) OC Trip, (b) EF Trip (c) Trip Circuit Failure. (d) Inter-Tripping fault, The Annunciator will be complete with required Acknowledge/Test buttons as required. (b) All multi-function-meters shall be connected in a modBus loop terminating into 01 No. ModBus-to-TCP/IP converter to be provided for sending data to CDADA console via networking switch.

(viii) Control Equipment Inc:- (a) 01 x TNC switch. (b) 01 x Emergency Trip push button. (c) 01 x Local/Remote Switch. (d) MCBs for AC/DC isolation. (e) Heater switch with thermostat-01 No. (f) 3- pin socket with ON/OFF switch - 01 No. (g) LED lamp with ON/OFF switch- 01 No (ix) Flush mounted Auxillary Protection Relays incl. (a) Trip circuit supervision relay, (b) Master trip relay, (x) Suitable disconnecting link type terminal arrangement shall be provided for interfacing PS-Class CTs installed in the panel with existing VCB panel relay suituated in the 11 KV CRP for achieving the required protection. Note : (i) Cost of construction of foundation as per manufacturer design , including, foundation frame (supplied by OEM), channels etc. for HT panel as required at site are deemed to be included in the quoted rate. (ii) Each VCB panel being floor-mounted, air-insulated, fully-compartmentalizeds. The OEM shall supervise and certify the commissioning/charging of equipments. (iii) Foundation frames shall be inclusive in the scope of supply of OEM.

STAND BY POWER SUPPLY DG SET

Supply, Installalation and testing of water cooled Diesel Engine driven Prime duty Generating Set of capacity after all derating factors net of not less than 500 KVA/ 400 KWe ,50Hz 415 volt 3 phase, 4 wire,0.8 lagg, 587 hp(MoEF Certified power) minimum Required Power for Rated kVA (bhp) along with AMF system with Acoustic Enclosure as per CPCB Norms, exhaust silencer-Hospital Grade in line , with emission control device alongwith accessories, supporting brackets as per Central Pollution Control norms/national green tribunal

A) Engine ƒcomprising of the following: Rugged engine natural liquid cooled (EG Compleat 50:50) with radiator as secondary media with world class OEM such as Cummins/Perkins/Kohler/Greaves/Ashok Leyland Engines for powered diesel generator set Advanced in-cylinder technology turbo charged , air cooled aspriated to meet latest emission norms without any after-treatment device.ƒ Class defining technology engine is designed to meet stringent exhaust emission tests as per revised MoEF norms, thus offering environment friendly powe Compact in size with optimum power to weight ratio, 6 cylinder, In-line 4 stroke, radiator cooled engine Well designed air handling system with Dry type, heavy duty, replaceable paper element aircleaner with restriction indicator, Air to air aftercooling,Optimised turbocharger for increased altitudecapabilities, Best in class fuel economy with Inline fuel pump with A1 class mechanical governing, Spin on fuel filter, Standard integral set-mounted radiator system, designedand tested for 50°C ambient temperature,Full flow spin on lube oil filte,First fill of lube oil and coolant, Electrical starter motor with soft start engagement feature, Battery charging alternator,2 x 12 V DC, 180 AH DC battery and same capacity battery charger/Alternator

b) AlternatorPMG type comprising of the following: Stamford UC/jyothi/crompton alternator frames from Cummins Generator TechnologiesbƒBrushless type, Screen protected, Revolving field, Self excited alternator conforming to IS/IEC 60034-1ƒ3 Phase reconnectable winding with 12 terminals brought out for connection Dedicated winding specially designed for 1 phase / 3 pahse operation ƒBetter motor starting capabilityƒ Best in class efficiency ƒƒCompact design with sealed bearings for longer life andlesser maintenance Impregnation on all wound components for better mechanical strength, alternator of IP 23, Voltage regulation (Max.)±1%,Class of Insulation H Class, Winding Pitch 2/3,Stator Winding Double layer lap Rotor Dynamically Balanced,Waveform distortion/ Total Harmonic Distortion No load < 1.5 %, Non distorting balanced linear load < 5 %,Maximum Unbalanced Load across phases# less than or equal to 25%, Telephonic Harmonic factor < 2% alternator capcity out put shall not be less than 500/400 KWe ,50Hz 415 volt 3 phase, 4 wire,0.8 lagg. 695 Amp / phase

Control Panel comprising of the following: c) Control panel shall be manufactured with 14/16 gauge CRCA sheet and is powder coated for weather-proof and long lasting finish.The control panel consists of the following parts of makes as per OEM recomendation: microprocessor based generator set monitoring and control. AMF Panel : Outdoor type double door front and rear openable made out of CRCA sheet of 3.15mm thick for outer casing and 2.0 mm thick for inner casing including copper bus bar of suitable rating. Functionality is inbuilt and this control includes an intuitive operator interface that allows for complete generator set control as well as system metering, fault annunciation, configuration, and diagnostics, Copper bus bars with suitable capacity with incoming/outgoing terminals, ƒƒIndicating lamps for ‘Load ON’ and ‘Set Running’,Instrument fuses / MCBs duly wired and ferruled, Air Circuit breakers 02 Nos EDO of suitable rating with overload and shortcircuit protections. Copper busbars, cables and protective acessories with load / bypass arrangements by suitable changeover for manual operations.

ƒHospital grade silencer silencer suitably optimized to meet stringentnoise emission standards laid down by MoEF / CPCBalong with MS supporting structures .along with thermal Insulation on horizontal pipe with Mineral Wool/ Asbestos Rope 50mm Thick wire mesh and 26 gaugealuminium cladding (12").

d) Controller should be compatable to the following specifications: (i) AMF Functionality controllers of Makes from the OEM : Deep Sea/ Cummins/ Wood Ward/ Com Amp ƒƒ(II)Intuitive operator interface which includes LED backlit display with tactile feel soft-switches.Indications - Generator set, Utility Status Lamp. (iii)Remote start-stopƒƒ with Engine Metering: Oil pressure, Engine temperature, Startingbattery voltage, Engine running hours(iv)AC Alternator Metering: L-L Voltage and L-N Voltage,Current (phase and total), kVA (phase and total) andFrequency. kwh, Total & per phase (kw & kVA), PF, UtilityVoltage and Freq.ƒƒ(v)Engine Protection: Low lube oil pressure, High/Low coolanttemperature, Battery Over/Under/Weak Volts, Fail to Crank/Start, Sensor failure, Cranking lockout, Low fuel level.ƒƒ(vi)AC Alternator Protection: Over/Under Voltage, Over/UnderFrequency, Loss of AC sensing. Overspeed, Over Current.(vii)Data Logging: Engine hours, Control hours and upto 5 recent fault codes ƒƒ(viii)Configurable glow plug control, Cycle Crankingƒ(ix)12/24 Volt DC operation,Sleep mode,Modbus interface (RS485 RTU),InPower compatible (PC based service tool),Certifications - meets the requirement of relevant ISO, EN,Mil Std. and CE standards(e)Maintenance due alarm based on Engine Run Time and duedate,Exercisor scheduler(f) Remote HMI, Digital electronic governor with temperture compensation and smooth starting, digital AVR for shunt of PMG excitor with Torque monitoring, Digital electronic governor with temperture compensation and smooth starting, digital AVR for shunt of PMG excitor with Torque monitoring

(e) All pipe line connections, valves etc.required for the lube oils, fuel and cooling system (f) 2 Nos 12V 180 Ah batteries including suitable battery charger. (g) Mounting Arrangement shall be of the following: ƒ(i) Engine and alternator are mounted on a common MSfabricated base frame with AVM pads. (ii) Base frame with integral fuel tank is provided with drainplug, air vent, inlet and outlet connection, level indicator andprovision for cleaning (h) Fuel Tank of capacity 11 hrs or as per OEM running capacity along with Fuel pipe MS c class 25mm ID with bends , flanges , valves, tees and bends. (I) Residnetial type silencer with MS pipe as designed by the OEM horizontal Exhaust pipe complete with bends and flanges of adeeaquate length not less than 10 Mtr.along with thermal Insulation on horizontal pipe with Mineral Wool/ Asbestos Rope 50mm Thick wire mesh and 26 gaugealuminium cladding (12")

(j) Controll / service cables shall be of 4cx 2.5 sqmm, 24 c x 2.5 sqmm , 2 c x 2.5 sqmm, and 8c x 0.75 sqmm shielded control cables ,pvc insulated copper armoured, controll panel for auxilaries with starters for pumps,heaters etc (k) RCC foundation with necessary earth work ,PCC 1:4:8 type D-2 (40mm graded stone aggregate) as in foundation, filling and mass concrete / RCC M-30 (20 mm graded aggregate) as in foundations, Plinth beam along with necessary form work / TMT bars of 10mm dia and over cut to length bend to shape required including cranking, bending, spirally for hooping for columns, hooking ends and bidning with and including MS wire (annealed) not less than 0.9mm dia securing with clips / 10 mm thick plastering on fair faces of brick work or concrete surface in CM (1:6),even and smooth without using extra cement / Sand filling in layers around the foundation including watering and consolidation as per OEM dimensions

(l) Acoustic Enclosure shall comprise of the following (i)ƒSpecially designed to meet stringent MoEF/ CPCB norms of75 dBA @ 1mtr at 75% load under free field conditions ƒƒ(ii)The Acoustic Enclosure as per CPCB Norms is made of CRCA sheets in Munselgreen shade and a structural/ sheet metal base frame painted in black. or any other standard colour as specified by the OEM ƒƒ(iii)High quality noise absorbant and fire-retardant gradeacoustic insulation material (P.U. Foam) complying to IS8183 designed to have optimum serviceability ƒƒ(iv)Air inlet louvers specially designed to operate at rated load,ƒ Made on special purpose CNC machines for consistency inquality and workmanship ƒƒ(v)11 tank pretreatment process and UV resistant powdercoating of all parts to withstand extreme environment, Use of special hardware for longer life,ƒƒ Flush styling - no projections,ƒƒ Fluid drains for lube oil and fuel,ƒFuel filling arrangement inside the enclosure

Note for Item No. 01 (i) Rate quoted shall include the necessary T&P , RCC foundation , structural works required to support the acessoriess of Dg set such asAMF panels, controll cables, Radiators / cooling tower, Exhaust mufflers and water circualtion system / cooling System (ii) rate quoted includes the cost of All fuel (Diesel) , lubes and collant and load required for testing required to carry out the no load and full load test of not less than 24 hrs as per PS Clause No 30.2.4 (a) as diercted by the accepting officer (iii) Rate quoted includes the cost of B check for the DG set such as replacement of lube oil, oil/ fuel filters /belts, O rings consumeables after the test run of the DG set during the warrenty period frist 250 hrs/ 1 st year which ever is earlier after the date of commissioning and its routine maintenance service as per manufacturer instructions with and including replacement of consumables upto one year.

Shifting and installation of existing DG Set of capacity 225 KVA and its AMF panel from WSA to BDP-2 AC plant location including connecting its cables and control wiring complete all as specified and directed by Engr-in-Charge. Note : Necessary foundation and earth work shall be paid seperately in the B/R Items only.

CENTRAL AIRCONDITIONING SYSTEM

For Building DB 3

TREATED FRESH AIR(TFAU)UNIT

Supply, installation, testing and commissioning of 5250 ft3/min @ 550 Pa (42 TR) floor mounted double skin treated fresh air unit (TFAU) having thermal break profile complete with air-tight casing using gaskets and self-adhesive tapes, 0.8 mm thick pre-coated outer skin and 0.6 mm thick GI inner skin, 45±2 mm thick double skin panel with pressure injected CFC/HCFC free PUF having 'k' value ≤ 0.035 W/°C/m & density ≥ 40 kg/m³, Washable type of 'EU4' filter (pre-filter, efficiency 90% down to 10 micron) and 'EU7' filters (Micro Vee filters, efficiency 99% down to 3 micron) mounted on a common frame, 8 rows deep chilled-water cooling coil section with 0.15 mm thick aluminium fins and 0.36 mm diameter copper tubes tested on 21 kg/cm², with SS sandwiched drain tray, etc., dynamically balanced DIDW backward curved fan along with IE3 motor complete with necessary chilled water piping, valves, etc. complete all as specified and directed

Notes:- [i] Necessary civil work viz. foundation / padestal for placement of TFAU and accessories shall be covered in the scope of work.

Supply, installation, testing & balancing and commissioning of factory fabricated galvanized steel sheet metal ducting (G.S.S.) round / rectangular low pressure ducting of following sheet thickness having zinc coating of 120 g/m² total on both sides and complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, volume control dampers, hangers, supports, etc. as per approved drawings and conforming to IS 655: 2006 & the latest edition of HVAC Duct Construction Standards - Metal and Flexible of SMACNA along with required scaffolding work to install the ducts at site complete all as specified and directed by engineer-in-charge. NOTES: [i] The connection of ducts shall be carried out by angle flange technique. [ii] The quoted shall be inclusive of hangers & supports, etc.

22 G (MS angle flange)

24 G (MS angle flange)

THERMAL INSULATION

S & F black flexible closed-cell 19 mm thick elastomeric thermal insulation, made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume ≤ 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge.

MS ERW CLASS- C CHILLED WATER PIPING

M & L for chilled MS EWR Class C water piping of 80 mm NB including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated complete all as specified and directed by the engineer-in-charge.

NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239-1: 2004 & IS 1239-2: 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately. [v] All necessary fittings and other accessories shall be deemed included in the quoted rate.

PIPE INSULATION

S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation of 80 mm NB pipe (in tubular form) made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume ≤ 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge.

Y-STRAINER

Supply, installation, testing and commissioning of 80 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304 screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

MANUAL BALANCING VALVE

Supply, installation, testing and commissioning of 80 mm NB precise balancing, double regulation type brass balancing valve having brass body, brass steam, copper alloy trim, 2.4 MPa body test pressure & 1.6 MPa maximum working pressure and standard screwed female thread ends duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

TEMPERATURE GAUGE

S & F of 6" dual scale (°F / °C), lower mount (radial), bimetal thermometer having 0.5 NPT process connection, Grade A accuracy class as per ASME B40.200, stem diameter 6.35 mm, laminated safety glass window, stainless steel 304 case, steam, process connection & joint, aluminium dial & pointer, IP67 protection, scale range 0- 60 °C with necessary accessories all complete as specified and directed by the engineer-in-charge. Make: General, WIKA, TSI

PRESSURE GAUGE

S & F of 4" bourdon tube pressure gauge conforming to EN 837-1, having copper alloy process connection & pressure element, plastic black pointer & case, plastic crystal-clear window, snap-fitted in case, accuracy class 2.5, scale range 0- 25 bar with necessary accessories all complete as specified and directed by the engineer-in-charge. Make: General, WIKA, TSI

REPLACEMENT OF CHILLED WATER COIL

Dismantling of cooling coil of existing AHU, including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

M & L for 8 rows deep chilled-water cooling coil section with 0.15 mm thick aluminium fins and 0.36 mm diameter copper tubes tested on 21 kg/cm², with SS sandwiched drain tray, etc., condensate drain pan fabricated from 18 gauge SS 304, powder coated and insulated with elastomeric insulation of suitable thickness to be fixed in the existing AHU of 15000ft3/ min of Mkae `Zeco and Model ZDS-150' complete all as specified and directed by the engineer-in-charge.

HOT CIRCULATION PUMP

Supply, installation, testing and commissioning of monoblock pump set, self-priming, single-stage centrifugal pump, capable of 2.6 LPS discharge at 8 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar (KDS0510), Wilo, Crompton Greaves NOTES : [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. [ii] 01 working plus 01 Standby pump set are to be provided. ie Each pump set shall be measured seperately

EXPANSION TANK

S & F SS- 304 closed expansion tank of 100 litre capacity with pressure rating to suit the system pressure and sized adequately to compensate for water expansion due to operating temperature variations, conforming to IS: 2825- 1969 for 'non-fired pressure vessels' complete with inter-connection piping, non-return valve, safety relief valve and pressure gauge, insulated with 50 mm thick elastomeric insulation and cladded with 26 gauge aluminium complete with accessories as specified and directed by the engineer-in-charge. Make: Anergy, Emerald or Xylem

MS ERW CLASS-C PIPE HOT WATER PIPING M & L for hot water piping with MS ERW CLASS-C PIPE including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated complete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya for pipes & Armacell, K-Flex, Aeroflex for insulation

NOTES : [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately.

S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation (in tubular form) made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume ≤ 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories to following NB pipe complete all as specified and directed . Make: Armaflex, Vidoflex, Kaimenflex

Y-STRAINER

Supply, installation, testing and commissioning of following size Y- strainer cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304 screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

BUTTERFLY VALVE

Supply, installation, testing and commissioning of wafer type PN 1.6 rated short pattern CI butterfly valve of following NB having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF8M stainless steel disc, AISI- 304 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

NON-RETURN VALVE Supply, installation, testing and commissioning of Non return valve 50 mm NB vertical type two piece design vertical lift check valve, having bronze IBR 282 Gr.B body, renewable seat & disc, SS AISI-410 trim, 35 Kg/cm2 body test pressure & 17 Kg/cm2 seat test pressure and standard screw female BSP taper threads end conforming to BS 21 duly insulated with elastomeric thermal insulation with other necessary accessories complete all as specified and directed by engineer-in-charge.

3-WAY DIVERTING GLOBE VALVE

Supply, installation, testing and commissioning of 40 mm NB maintenance-free PN 1.6 rated 3-way diverting globe valve for modulating water-side control of air handling units (For diverting application) along with valve actuator complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider

The valve and actuator shall conform to the following technical specifications: (1) Valve : (i) Body, Ductile iron GGG40 (ii) Valve Cone: SS304 (iii) Valve Stem : SS630 (iv) Valve Seat : SS304 (v) Stem Seat : : PTFE & FFKM (vi) Flow Media : Chilled Water (vii) Rangeability : 100:1 (viii) Leakaage Rate : Max. 0.02% on all path (2) Actuator : (i) Nominal Voltage : AC/ DC 24 V (ii) Nominal Frequency : 50 Hz (iii) Power Consumption in Operation : 2W (iv) Power Consumption in Rest Position : 1.5 W (v) Actuating Force Motor : 1.5 KN (vi) Operating Range : Y : 0.5...10 V (vii) Input Impedance : 100kQ (viii) Position Accuracy : +5% NOTES : [i] The 3-way diverting globe valve shall be pre-calibrated to the given maximum flow rate. [ii] Closing off differential pressure of actuator connected with 3-way diverting globe valve shall not be less than the pump head.

S & F of PN 25 rated 20 mm NB forged brass ball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

DRAIN & INSTRUMENTATION PIPING

M & L for mild steel electric resistance welding class-C 15 mm NB drain water piping including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated complete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above.

BALL VALVE

S & F of PN 25 rated 15 mm NB forged brass ball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

AUTO AIR-VENT

Supply, installation, testing and commissioning of automatic air-vent valve with 20 mm end connections, brass body and cover, plastic float, brass cap etc. suitable for maximum operating pressure of 16 bar and maximum operating temperature 100 °C respectively, installed on all high points in the water piping system to automatically remove the trapped air complete all as specified and directed. Make: Advance, Sant, Hindustan

PAN-TYPE HUMIDIFIER

Supply, installation, testing and commissioning of PAN-type humidifier, suitable for 125 LPH evaporation rate, having SS-304 sheet welded construction with unitized stainless steel reservoir divided into two chambers from inside having 25 mm thick fiberglass insulation cladded with aluminium foil, snap-acting humidistat, support legs for free-standing or wall hanging brackets for wall-mounting, factory mounted & wired humidifier control cabinet, steam outlet nozzle, water make-up, drain, over-flow, quick fill connections, immersion heaters made of copper or stainless steel, terminal blocks suitable for field power and control wiring and safety thermostat complete all as specified and directed by the engineer-in-charge. Make: Rapid cool, Cellcraft or sigma airtech

HOT WATER GENERATOR

Supply, installation, testing and commissioning of SS 304 shell type vertical electric hot water generator suitable for 200000 kCal/hr heat output at 122º F (50º C) temperature, tested for 350 psig pressure, having resin insulation bonded with fiber glasswool along with aluminium cladding, thermostat for individual step, digital thermometer for inlet & outlet pipes, pressure gauge with ball valve for inlet & outlet pipes, SCR based stepless linear controller, float switch, audio/visual alarm for low water level, audio/visual alarm for high temperature, pressure relief valve, door switch, safety thermostat, etc. including suitable pump complete all as specified and directed by the engineer-in-charge. Make :Bechtel, SAZ Boilers, HEAT-Max, Rapid Cool

S & F of wall mounted digital temperature cum %RH controller (Digital Thermo Hygrometer) complete with large LCD, English display having operating voltage 24±10% V AC, 50 Hz frequency, ≤ 8 VA power consumption, 0.5 ºC temperature display resolution, 0.1% relative humidity display resolution, IP20 protection, etc. including battery and control wiring in PVC conduit from return air duct to AC Plant Room complete as specified and directed by engineer-in-charge. Make: Honeywell, HTC, General Or Make As Per Zonal Specification

M & L for low smoke zero halogen (LS0H) fire survival control cable of size 2 core, 2.5 mm² (for instrumentation) with circuit integrity, conforming to BS 7846 and rated for 600 V, having plain annealed stranded copper conductor with fire-resistant mica tapes covered by an extruded layer of cross-linked polyethylene, extruded layer of thermoplastic low smoke zero halogen (LS0H) compound, single layr of galvanized steel wires and thermoplastic LS0H compound sheath, suitable for operating temperature range -40 ˚C to +90 ˚C and minimum bending radius being 12 times the overall cable diameter, including laying, clamping, termination and ferruling complete all as specified and directed by the engineer-in-charge. Make: Havells, Polycab, Finolex, RR Kabel

SYSTEM CONTROLING, MONITORING & ACCESSORIES

Supply, installation, testing and commissioning of wall mounted panel with PLC, temperature & RH sensor with Data logger inlcuding control wiring, contactor and required accessories, etc. to control TFAU, PAN Type humidifier and hot water generator for a particular air-conditioned space complete all as specified and directed by the engineer-in-charge. The Control Panel shall be capable of the following: [i] Automatic switching on / off of hot water generator based on feedback from thermostat and/or humidistat [ii] Manual switching on / off of TFAU [iii] Providing electric power to the actuator of fire damper [iv] Integration and sequential operation of TFAU, PAN type humidifier, hot water generator, temperature and RH sensor, etc. as per requirement

HVAC PANEL

Supply, installation, testing and commissioning of factory made, from CPRI approved manufacturer type tested, fully compartmentalized bolted type HVAC Panel of suitable size conforming to IEC 61439-1 & 2 and IEC 61641 and having modular extensible design suitable for outdoor mounting, internal arc compliance of minimum 70 kA for 0.5 s, made out of 3.15 mm thick mild steel CRCA sheet, having both sides openable with hinged doors and locking arrangement, IP 43 & IK 10 protection, supported and fixed on structural frame of angle iron of suitable size, including earthing stud, labelling, painting to all internal & external exposed steel surfaces with powder coating paint (7 tank process), duly fixed in ground with PCC foundation (1:2:4) type B1, with danger notice plate of 1.6 mm thick mild steel vitreous enamelled (white) with letters, figures and conventional skull and bones in signal red colour suitable for 3-Phase, 4-Wire system, 500 V grade with necessary wiring, PVC sheathed stranded copper conductor of appropriate length and size, including fixing lugs, bolts, screws, etc. complete all as specified and directed by the engineer-in-charge.

The HVAC Panel shall comprise of the following: Busbar Chamber: [i] 01 Set (3L + N) of copper busbar of rated capacity 800 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection Incoming : [i] 630 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [ii] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interrupts- 01 Nos. [iii] LED phase indicators (Red, Yellow, Blue)- 01 Set Outgoing: [i] 500 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [for HWG] [iii] 32 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 05 Nos. [for TFAU, HWP, PAN-type humidifier]

M & L for Back Draft Damper having 1.2 mm galvanised mild steel casing confirming to BS EN 10346 DX51 D+Z 275, injection moulded nylon 66 blade bushes, extruded aluminium blade of 1.2 mm thickness confirming to BS EN 755-9, 50% glass filled nylone black blade splindle, nylon brush edge seal, water based protective paint, 0 ºC to 70 ºC temparature range, having 1 m/s to 14 m/s velocity and other necessary accessories complete all as specified and directed by engineer-in-charge.

M & L for 1.1 kV 3 core, 2.5 mm² grade copper conductor, XLPE insulated armoured cable conforming to IS 7098 (Part 1): 1988, having stranded copper compact shaped conductors as per Cl. 2 of IS 8130: 1984, PVC inner sheath, single armoring of galvanised steel strip/wire and PVC Type ST-2 outer sheath conforming to IS 5831: 1984, including necessary clamping / dressing with cable ties and termination complete all as specified and directed by engineer-in-charge.(for Hot water circulation pumps, PAN type Humidifier) Make: RR Kabel, Polycab, Havells

For AC PLANT ROOM BUILDING NB-4

WATER-COOLED SCROLL TYPE CHILLER UNIT Supply, installation, testing and commissioning of factory designed, pre-fabricated and floor-mounted water cooled chiller machine of at actual capacity > 11 TR at site conditions complete with semi-hermetic/hermetic scroll compressors having independent refrigerant circuits & automatic stepless capacity control, water-cooled S/T type condenser, S/T horizontal DX type evaporator with carbon steel shell and seamless copper tubes with elastomeric insulation, squirrel cage induction motor(s) of approptiate rating with class 'B' insulation, unit mounted star / delta strater(s) along with necessary drive arrangement, lubrication system required for smooth and trouble-free operation of the chiller package as per manufacturers design, common base frame, interconnected copper refrigerant piping along with elastomeric insulation, valves, flexible connections, expansion valves and accessories to interconnect compressor, condenser, evaportor expansion valve etc.,microprocessor based control panel comprising of controls including sensors and equipped with a keyboard, LCD touchscreen access input system, protection and monitoring devices to perform control functions , wiring, vibration isolators, gauge panel, automatic safety controls, flow switch at evaporator and condenser ends, and eco-friendly, CFC-free refrigerant all complete as specified and directed by the engineer-in-charge. Make: Blue Star, Daikin, Voltas Note: 02 working units plus 01 Standby unit are to be provided. ie Each Unit shall be measured seperately

The chiller shall conform to the following requirements / specifications: [i] Chilled water inlet/outlet temperature: 12/7 ˚C [ii] Evaporator fouling factor: 0.00010 ⁰Fft²hr/Btu [iii] Evaporator side pressure drop: < 4 m of H2O [iv} Evaporator water flow rate : < 2.66Usgpm/TR [v] Condenser water inlet/outlet temperature: 32/36 ˚C [vi] Condenser fouling factor: 0.00025 ⁰Fft²hr/Btu [vii] Condenser side pressure drop:< 6 m of H2O [viii]Condenser water flow rate :< 3.32 Usgpm/TR [ix] Minimum COP @ 100% load: 4.5 at AHRI condition [xi] Minimum IPLV @ 100% load: 5.8 at design condition [xi] Refrigerant eco- friendly type: R22/407C/410A [xii] Test standard: ARI 550 / 590 .

NOTES : [i] The unit shall be suitable for 3-Phase, 415V + 10%, 50Hz AC electric supply, with built in microprocessor based control panel. [ii] Mapping shall be required for all critical points displayed on the chiller control panel. The chiller shall be BMS compatible and shall have RS485 / RS232 serial communication protocol. [iii] The quoted rate shall be inclusive of star / delta starters(s), , Victaulic coupling and system integrator capable of giving industry standard (Modbus/BACnet) output to BMS for critical paramete [iv] Initial / first charge of refrigerant gas & compressor shall be deemed included in the quoted rate. [v] Necessary civil work viz. foundation for placement of chillers as per OEM recommendation, etc. shall be deemed included in the scope of work.

CHILLED WATER CIRCULATION PUMP Supply, installation, testing and commissioning of monoblock pump set, self-priming, single-stage centrifugal pump, capable of 3.6 LPS discharge at 12 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar (GMC-123+), Crompton Greaves, Wilo NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. [ii] 01 working plus 01 Standby pump set are to be provided. ie Each pump set shall be measured seperately

HOT WATER CIRCULATION PUMP Supply, installation, testing and commissioning of monoblock pump set, self-priming, single-stage centrifugal pump, capable of 2.6 LPS discharge at 8 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar (KDS0510), Crompton Greaves, Wilo NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. [ii] 01 working plus 01 Standby pump set are to be provided. ie Each pump set shall be measured seperately

FRP INDUCED DRAUGHT COOLING TOWER (1W ) Supply, installation, testing and commissioning of FRP rectangular shape, vertical, induced draught counter flow cooling tower of 30 TR size with uniform water distribution and optimal heat transfer, having tough fiberglass reinforced plastic (FRP) casing of sufficient structural strength to withstand vibrations and wind velocity up to 60 m/s, FRP basin, rigid honeycomb type PVC fill of suitable thickness, SS sprinklers and non-clogging sprinkler pipes, FRP drift eliminator, energy efficient induced draught axial type fans with factory set and dynamically balanced blades pitch, TEFC squirrel cage induction motor (1W + 1S), conforming to IS 12615: 2018, suitable for operation on 3- Ph, 415 V, 50 Hz AC supply with IP 65 protection for enclosure, inlet, outlet, drain and over-flow nozzle connections, etc. complete with accessories as specified and directed by the engineer-in-charge. Make: Delta, Advance, National, Paharpur NOTES: [i] Necessary civil work viz. foundation, supporting structure, etc. for placement of cooling tower shall be deemed included in the scope of work.

CONDENSER WATER PUMP

Supply, installation, testing and commissioning of monobloc, self-priming pump set, single-stage centrifugal pump, capable of 5.1 LPS discharge at 14.0 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018 and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting complete all as specified and directed by engineer-in-charge. Make: Kirloskar (GMC-1.522++), Wilo, Crompton Greaves NOTES : [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. [ii] 01 working plus 01 Standby pump set are to be provided. ie Each pump set shall be measured seperately

S & F SS- 304 closed expansion tank of 100 litre capacity with pressure rating to suit the system pressure and sized adequately to compensate for water expansion due to operating temperature variations, conforming to IS: 2825- 1969 for 'non-fired pressure vessels' complete with inter-connection piping, non-return valve, safety relief valve and pressure gauge, insulated with 50 mm thick elastomeric insulation and cladded with 26 gauge aluminium complete with accessories as specified and directed by the engineer-in-charge. Make: Anergy, Emerald or Xylem

HDPE MAKE-UP WATER TANK FOR COOLING TOWER S & F multi-layered HDPE make-up water tank of 5,000 litre capacity made up of 100% virgin material, having 100% UV stabilized white outer layer, threaded lid, extra insert lid for protection against algae formation complete with inter-connection piping and non-return valve etc. complete all as specified and directed. Make: Sintex, National Plastic, Aquatech

HVAC PANEL Supply, installation, testing and commissioning of factory made, made from CPRI approved manufacturer, tested, fully compartmentalized bolted type HVAC Panel of suitable size conforming to IEC 61439-1 & 2 and IEC 61641 and having modular extensible design suitable for outdoor mounting, internal arc compliance of minimum 70 kA for 0.5 s, made out of 3.15 mm thick mild steel CRCA sheet, having both sides openable with hinged doors and locking arrangement, IP 43 & IK 10 protection, supported and fixed on structural frame of angle iron of suitable size, including earthing stud, labelling, painting to all internal & external exposed steel surfaces with powder coating paint (7 tank process), duly fixed in ground with PCC foundation (1:2:4) type B1, with danger notice plate of 1.6 mm thick mild steel vitreous enamelled (white) with letters, figures and conventional skull and bones in signal red colour suitable for 3-Phase, 4-Wire system, 500 V grade with necessary wiring, PVC sheathed stranded copper conductor of appropriate length and size, including fixing lugs, bolts, screws, etc. complete all as specified and directed by the engineer-in-charge.

Incoming: [i] 200 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [ii] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interrupts- 01 Nos. [iii] LED phase indicators (Red, Yellow, Blue)- 01 Set

NOTES [i] The Panel shall be purchased from the original equipment manufacturer (OEM) or their authorised channel partner only. [ii] The Panel shall be equipped with necessary automation hardware for sequencial switching on / off of HVAC equipment in the event of shutdown / start up of the AC Plant or preventive shutdown of rest of the equipment in the event of malfunction of a particular equipment. The sequence of operation shall be: CT > CDWP > Chiller > CHWP > AHU

M & L for 1.1 kV grade copper conductor, XLPE insulated armoured cable conforming to IS 7098 (Part 1): 1988, having stranded copper compact shaped conductors as per Cl. 2 of IS 8130: 1984, PVC inner sheath, single armoring of galvanised steel strip/wire and PVC Type ST-2 outer sheath conforming to IS 5831: 1984, including necessary clamping / dressing with cable ties and termination complete all as specified and directed by engineer-in-charge.

4 core, 2.5 mm² (for Chilled Water Circulation Pumps, Condenser Water Pump, Cooling Tower, Hot water circulation pumps, Humidifier)

4 core, 6 mm² (for Chillers)

CONDENSER WATER PIPING

Supply, laying / fixing, testing and commissioning of MS ERW class C pipe of following NB for condenser water piping including necessary fittings viz. bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories complete all as specified and directed by engineer-in-charge.

Y- STRAINER Supply, installation, testing and commissioning of 80 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304 screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

BUTTERFLY VALVE Supply, installation, testing and commissioning of 40 mm NB butterfly valve wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF8M stainless steel disc, AISI- 304 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

NON-RETURN VALVE Supply, installation, testing and commissioning of 80 mm NB straight pattern PN 1.6 rated stop cum non return valve (NRV), designed & tested as per BS 5152, having Gr. FG-200 CI body, bonet, valve disc, gland & handwheel confirming to IS:210, AISI- 410 stainless steel stem, 26 Kg/cm2 body test pressure & 16 Kg/cm2 seat test pressure and standard flange end conforming to DIN 2533 RF with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

CHILLED WATER PIPING M & L for MS ERW CLASS- C PIPE as in chilled water piping of following NB including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated complete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately.

S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation (in tubular form)to following NB pipe, insulation made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume ≤ 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make: Armacell, K Flex, Kaimann Flex, Vidoflex

Y- STRAINER Supply, installation, testing and commissioning of 65 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304 screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

BUTTERFLY VALVE Supply, installation, testing and commissioning of following butterfly valve wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF8M stainless steel disc, AISI- 304 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

Supply, installation, testing and commissioning of NON-RETURN VALVE 65 mm NB straight pattern PN 1.6 rated stop cum non return valve (NRV), designed & tested as per BS 5152, having Gr. FG-200 CI body, bonet, valve disc, gland & handwheel confirming to IS:210, AISI- 410 stainless steel stem, 26 Kg/cm2 body test pressure & 16 Kg/cm2 seat test pressure and standard flange end conforming to DIN 2533 RF duly insulated with elastomeric thermal insulation with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

3-WAY DIVERTING GLOBE VALVE Supply, installation, testing and commissioning of 65 mm NB maintenance-free PN 1.6 rated 3-way diverting globe valve for modulating water-side control of air handling units (For diverting application) along with valve actuator complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider

The valve and actuator shall conform to the following technical specifications: [1] Valve: (i) Body: Ductile iron GGG40 (ii) Valve Cone: SS304 (iii) Valve Stem: SS630 (iv) Valve Seat: SS304 (v) Stem Seat: PTFE & FFKM (vi) Flow Media: Chilled Water (vii) Rangeability: 100:1 (viii) Leakage Rate: Max. 0.02% on all path [2] Actuator: (i) Nominal Voltage: AC / DC 24 V (ii) Nominal Frequency: 50 Hz (iii) Power Consumption in Operation: 2 W (iv) Power Consumption in Rest Position: 1.5 W (v) Actuating Force Motor: 1.5 kN (vi) Operating Range: Y: 0.5… 10 V (vii) Input Impedance: 100 kΩ (viii) Position Accuracy: ±5% NOTES: [i] The 3-way diverting globe valve shall be pre-calibrated to the given maximum flow rate. [ii] Closing off differential pressure of actuator connected with 3-way diverting globe valve shall not be less than the pump head.

BALL VALVE S & F of PN 25 rated forged brass 20 mm NB ball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

HOT WATER PIPING M & L MS ERW CLASS- C PIPE for hot water piping of following NB including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated complete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya for pipes & Armacell, K-Flex, Aeroflex for insulation NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately.

S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation of (in tubular form) made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume ≤ 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories to following NB pipes complete all as specified and directed by the engineer-in-charge. Make: Armacell, K Flex, Kaimann Flex, Vidoflex

Y- STRAINER Supply, installation, testing and commissioning of 32 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304 screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

BALL VALVE S & F of PN 25 rated forged brass ball valve of following size, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

NON-RETURN VALVE Supply, installation, testing and commissioning of 32 mm NB vertical type two piece design vertical lift check valve, having bronze IBR 282 Gr.B body, renewable seat & disc, SS AISI-410 trim, 35 Kg/cm2 body test pressure & 17 Kg/cm2 seat test pressure and standard screw female BSP taper threads end conforming to BS 21 duly insulated with elastomeric thermal insulation with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan for strainer & Armacell, K-Flex, Aeroflex for insulation

3-WAY DIVERTING GLOBE VALVE Supply, installation, testing and commissioning of 32 mm NB maintenance-free PN 1.6 rated 3-way diverting globe valve for modulating water-side control of air handling units (For diverting application) along with valve actuator complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider

The valve and actuator shall conform to the following technical specifications: [1] Valve: (i) Body: Ductile iron GGG40 (ii) Valve Cone: SS304 (iii) Valve Stem: SS630 (iv) Valve Seat: SS304 (v) Stem Seat: PTFE & FFKM (vi) Flow Media: Chilled Water (vii) Rangeability: 100:1 (viii) Leakage Rate: Max. 0.02% on all path [2] Actuator: (i) Nominal Voltage: AC / DC 24 V (ii) Nominal Frequency: 50 Hz (iii) Power Consumption in Operation: 2 W (iv) Power Consumption in Rest Position: 1.5 W (v) Actuating Force Motor: 1.5 kN (vi) Operating Range: Y: 0.5… 10 V (vii) Input Impedance: 100 kΩ (viii) Position Accuracy: ±5% NOTES: [i] The 3-way diverting globe valve shall be pre-calibrated to the given maximum flow rate. [ii] Closing off differential pressure of actuator connected with 3-way diverting globe valve shall not be less than the pump head.

DRAIN & INSTRUMENTATION PIPING M & L for MS ERW CLASS- C PIPE drain water piping of following size including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated complete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above.

BALL VALVE S & F of PN 25 rated forged brass ball valve of following size, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

PIPING ACCESSORIES

AUTO AIR-VENT Supply, installation, testing and commissioning of automatic air-vent valve with 20 mm end connections, brass body and cover, plastic float, brass cap etc. suitable for maximum operating pressure of 16 bar and maximum operating temperature 100 °C respectively, installed on all high points in the water piping system to automatically remove the trapped air complete all as specified and directed. Make: Advance, Sant, Hindustan

TEMPERATURE GAUGE S & F of 6" dual scale (°F/°C), lower mount (radial), bimetal thermometer having 0.5 NPT process connection, Grade A accuracy class as per ASME B40.200, stem diameter 6.35 mm, laminated safety glass window, stainless steel 304 case, steam, process connection & joint, aluminium dial & pointer, IP67 protection, scale range 0- 60 °C complete with accessories, etc. as specified and directed by engineer-in-charge. Make: General, WIKA, TSI

PRESSURE GAUGE S & F of 4" bourdon tube pressure gauge conforming to EN 837-1, having copper alloy process connection & pressure element, plastic black pointer & case, plastic crystal-clear window, snap-fitted in case, accuracy class 2.5, scale range 0- 25 bar complete with accessories, etc. as specified and directed by engineer-in-charge. Make: General, WIKA, TSI

AIR DISTRIBUTION

DOUBLE SKIN AIR HANDLING UNIT Supply, installation, testing and commissioning of 12000 CFM @ 3'' w.g. static pressure double-skin type horizontal, floor-mounted, top / side discharge air handling unit and having thermal break profile complete with air-tight casing using gaskets and self-adhesive tapes 0.8 mm thick pre-coated outer skin and 0.6 mm thick GI inner skin, 45±2 mm thick double skin panel with pressure injected CFC/HCFC free PUF having 'k' value of 0.02 W/°C/m & density 40 kg/m³, AMCA certified energy efficient plug fan(s) with backward curved impellers for high static pressure mounted on aluminium extruded siderail base frame with VFD, EU4 pre-filter and EU7 fine filter (mounted on a common frame), combination of 6/8 rows deep chilled water coil(s), 1/2 rows deep hot water coil(s) with anti-corrosion aluminium fins, suitable high efficiency (IE3) TEFC squirrel cage flame proof induction motor, PVC/nylon hinges & handles, view port and marine lamp, limit switch, SS-304 drain pan, vibration isolators/rubber pads (minimum 1" thick) inspection windows / doors, mixing box and supply / return / fresh air openings fitted with aluminium volume control dampers, thermostat & humidistat, etc. complete all as specified and directed by the engineer-in-charge. Make: Trane, Carrier, York, Flaktgroup, Zeco, Citizen, Bayhan

The AHU shall comprise of the following: [a] Suitable SISW backward curved plug fan, dynamically balanced, with AMCA certified blower [b] Flameproof foot mounted (B3 construction) 3-Phase squirrel cage induction motor (1w + 1s) 415 V ± 10%, 50 Hz ± 5 %, combined variation ±10%, insulation class F, (for Blower of AHU) of 15 kW capacity, 22000 CFM with temperature rise limited to class B, degree of protection IP 55, duty 51, ambient temperature 45 ºC, conforming to IS 12615: 2011, IS/IEC 60079-1: 2007, IS 3682: 1966 gas group II A, II B [c] Flexible connection made with airtight ASTM E84 (Class I) polyester fire retardant cloth riveted on periphery of cloth with extruded aluminium 'L' angle flange as per fan size at discharge duct/plenum [d] Washable type of 'EU4' filter (pre-filter, efficiency 90% down to 10 micron) and 'EU7' filters (Micro Vee filters, efficiency 99% down to 3 micron) [e] 6 / 8 rows deep chilled water cooling coil section with 0.15 mm thick aluminium fins and 0.36 mm diameter copper tubes tested on 21 kg/cm², with SS sandwiched drain tray, etc. (a 350 mm service section between eliminator and heater is required) [f] Condensate drain pan fabricated from 18 gauge SS 304, powder coated and insulated with elastomeric insulation of suitable thickness [g] 1/2 row deep heating coil section with aluminium fins and copper tube tested on 21 kg/cm² with SS sandwiched drain tray, etc.

[h] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalized construction with incomer and outgoing feeders for AHU motor, PAN type humidifier, 3-way valve actuator motor, fire damper actuator motor, etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc. [i] Variable Frequency Drive (VFD) with IP 55 enclosures and mains disconnect switch suitable for 5.5 kW and comprising of the following complete with accessories of Danfoss, Schneider, L & T, ABB or Fuji make. (1) Built in dual 5% impedance DC link reactor (harmonic filters) on the positive and negative rails of the DC bus of the Variable Frequency Drive. (2) Built in EMC filters (electro magnetic compatibility filters) for restriction of conducted emissions to comply with IEC61800:3 (un restricted distribution) :2004 Category C 1 (50 meter). (3) Three feedback PID controller having capability to simultaneously accept 3 feedback signals from temperature sensors or pressure sensors for process optimization and accordingly control the speed of the AHUs or pumps. (4) Integral graphical keypad. NOTES: [i] The price of VFD and other necessary control equipment is deemed included in the quoted rate. [ii] Necessary civil work viz. foundation for placement of AHU, mounting of variable frequency drive (VFD) panel, construction of opening(s) for fresh/exhaust air etc. shall be covered in the scope of work.

FIRE DAMPER Supply, installation, testing and commissioning of 16 gauge GI fire damper, at least of 120 minutes fire-rating, spring activated on melting of fusible link having melting point 67.13° C complete with smoke detector / thermistor, fusible link etc. and actuator as required for operation, located in the SA / RA ducts, at all fire rated crossoevers (shafts, walls, etc.). along with control panel (located in such a way that the reset can easily be done), interlocked with the building management system for the fire detection or HVAC to trip / close in the event of fire/smoke in the respective zone and tested as per ULL- 555 and certified by CBRI complete all as specified and directed by engineer-in-charge. The fire dampers shall meet the following criteria: [a] Bare fire dampers with 400 mm sleeve [b] Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position. [c] Interconnection wire for the fire detection & alarm system with the AHU and the smoke dampers [d] Sealing any openings around the sleeve of the fire dampers with approved fire sealant as per the specification & recommendations of the manufacturer.

Motorized, spring return type, combination fire and smoke damper Make: Air Flow, Caryaire, Dynacraft, Ravistar

Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position. Make: Anergy, Belimo, Honeywell

VOLUME CONTROL DAMPER Supply, installation, testing and commissioning of high performance airfoil class 1A leakage rated GI volume control damper having galvanised steel hat channel frame reinforced with corner braces, galvanised steel airfoil shaped blades (double skin construction) of 14 gauge thickness, neoprene blade edge seals, flexible metal compressible jamb seals, stainless steel sleeve, linkage concealed in frame, etc. tested as per AMCA Standard 500-D-98 complete all as specified and directed by engineer-in-charge. Make: Air Flow, Caryaire, Dynacraft, Ravistar

PAN-TYPE HUMIDIFIER Supply, installation, testing and commissioning of PAN-type humidifier, suitable for 100 LPH evaporation rate, having SS-304 sheet welded construction with unitized stainless steel reservoir divided into two chambers from inside having 25 mm thick fiberglass insulation cladded with aluminium foil, snap-acting humidistat, support legs for free-standing or wall hanging brackets for wall-mounting, factory mounted & wired humidifier control cabinet, steam outlet nozzle, water make-up, drain, over-flow, quick fill connections, immersion heaters made of copper or stainless steel, terminal blocks suitable for field power and control wiring and safety thermostat complete all as specified and directed by the engineer-in-charge. Make: Rapid cool, Cellcraft or sigma airtech

HOT WATER GENERATOR Supply, installation, testing and commissioning of SS 304 shell type vertical electric hot water generator suitable for 50000 kCal/hr heat output at 122º F (50º C) temperature, tested for 350 psig pressure, having resin insulation bonded with fiber glasswool along with aluminium cladding, thermostat for individual step, digital thermometer for inlet & outlet pipes, pressure gauge with ball valve for inlet & outlet pipes, SCR based stepless linear controller, float switch, audio/visual alarm for low water level, audio/visual alarm for high temperature, pressure relief valve, door switch, safety thermostat, etc. including suitable pump complete all as specified and directed by the engineer-in-charge. Make :Bechtel, SAZ Boilers, HEAT-Max, Rapid Cool

GALVANIZED STEEL SHEET DUCTING Supply, installation, balancing and commissioning of factory fabricated galvanized steel sheet metal (G.S.S.) round / rectangular ducting of fo+B231llowing sheet thickness having zinc coating of 120 g/m² total on both sides and complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, volume control dampers, hangers, supports, etc. as per approved drawings and conforming to the latest edition of IS 655: 2006 & HVAC Duct Construction Standards - Metal and Flexible of SMACNA along with required scaffolding work to install the ducts at site complete all as specified and directed by engineer-in-charge. Make: Approved Manufacturer of SMACNA Standard NOTES: [i] Duct connection shall be carried out by angle flange technique. [ii] The quoted shall be inclusive of hangers & supports, etc. [iii] Volume Control Damper shall be measured and paid for separately.

24 G (MS angle flanges)

22 G (MS angle flanges)

20 G (MS angle flanges)

AIR TERMINALS M & L for return grille having welded steel border with aerodynamically shaped extruded aluminium blades having 30º fixed deflection & 20 mm blade spacing, countersunk screw holes in border, anodic acrylic paint finish, etc. and tested as per ANSI / ASHRAE standard 70-2006 complete all as specified and directed by the engineer-in-charge. Make: Air Flow, Caryaire, Dynacraft, Ravistar

Return grille of nominal duct size 24" X 08"

Return grille of nominal duct size 36" X 10"

THERMAL INSULATION S & F of black flexible closed-cell elastomeric thermal insulation made of elastomeric foam based on synthetic rubber (NBR / PVC) with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM, tested for maximum service temperature 100 ºC as per ASTM C411 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume ≤ 0.2% as per ASTM C1763, fire spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make: Armacell, K-Flex or Aeroflex

19 mm thick thermal insulation (for supply)

13 mm thick thermal insulation ( for return)

S & F of FM approved fibre-free, super-silent, microbe resistant, easy to apply 10 mm thick acoustic duct lining insulation of open cell elastomeric foam based on synthetic rubber tested for acoustic performance as per EN ISO 354, EN ISO 11654: 1997 & ASTM C 423, service temperature range -20- 85 ˚C as per EN 14706 & EN 14304, thermal conductivity λ ≤ 0.047 W/mK at mean temperature θm = 20 ˚C as per EN 12667, Class 1 surface spread of flame as per BS 476 7: 1997, flammability HB, V-0 as per UL- 94, anti-microbial behaviour (no fungal growth visible with the naked eye & no bacterial growth) as per EN ISO 846, air erosion resistance (no erosion, cracking or delamination at air velocity of 10000 FPM) as per ASTM C 1071- 05, density 140- 180 kg/m3 along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Armaflex, Vidoflex, Kaimenflex or as per zonal specification

S & F of Indoor type wall mounted digital temperature cum %RH meter (Digital Thermos Hygrometer) complete with large LCD, English display having operating with 12/24H Max/Min temperature and humidity memory function range -50°C to 70°C Temperature accuracy 0.5 ºC and Humidity range 10% to 99% RH Humidity accuracy 5% RH Humidity resolution 1% RH Power source 1*AAA (1.5V) battery for AC Plant Room complete as specified and directed by the engineer-in-charge. Make: Honeywell, HTC, General or Make As Per Zonal Specification

For BUILDING : BDP-2 AC PLANT ROOM

WATER-COOLED SCROLL TYPE CHILLER UNIT Supply, installation, testing and commissioning of factory designed, pre-fabricated and floor-mounted water cooled chiller machine of at actual capacity > 11 TR at site conditions complete with semi-hermetic/hermetic scroll compressors having independent refrigerant circuits & automatic stepless capacity control, water-cooled S/T type condenser, S/T horizontal DX type evaporator with carbon steel shell and seamless copper tubes with elastomeric insulation, squirrel cage induction motor(s) of approptiate rating with class 'B' insulation, unit mounted star / delta strater(s) along with necessary drive arrangement, lubrication system required for smooth and trouble-free operation of the chiller package as per manufacturers design, common base frame, interconnected copper refrigerant piping along with elastomeric insulation, valves, flexible connections, expansion valves and accessories to interconnect compressor, condenser, evaportor expansion valve etc.,microprocessor based control panel comprising of controls including sensors and equipped with a keyboard, LCD touchscreen access input system, protection and monitoring devices to perform control functions , wiring, vibration isolators, gauge panel, automatic safety controls, flow switch at evaporator and condenser ends, and eco-friendly, CFC-free refrigerant all complete as specified and directed by the engineer-in-charge. Make: Blue Star, Daikin, Voltas Note: 01 working unit plus 01 Standby unit are to be provided, and Each Unit shall be measured seperately

The chiller shall conform to the following requirements / specifications: [i] Chilled water inlet/outlet temperature: 12/7 ˚C [ii] Evaporator fouling factor: 0.00010 ⁰Fft²hr/Btu [iii] Evaporator side pressure drop: < 4 m of H2O [iv} Evaporator water flow rate : < 2.66Usgpm/TR [v] Condenser water inlet/outlet temperature: 32/36 ˚C [vi] Condenser fouling factor: 0.00025 ⁰Fft²hr/Btu [vii] Condenser side pressure drop:< 6 m of H2O [viii]Condenser water flow rate :< 3.32 Usgpm/TR [ix] Minimum COP @ 100% load: 4.5 at AHRI condition [xi] Minimum IPLV @ 100% load: 5.8 at design condition [xi] Refrigerant eco- friendly type: R22/407C/410A [xii] Test standard: ARI 550 / 590 .

NOTES : [i] The unit shall be suitable for 3-Phase, 415V + 10%, 50Hz AC electric supply, with built in microprocessor based control panel. [ii] Mapping shall be required for all critical points displayed on the chiller control panel. The chiller shall be BMS compatible and shall have RS485 / RS232 serial communication protocol. [iii] The quoted rate shall be inclusive of star / delta starters(s), , Victaulic coupling and system integrator capable of giving industry standard (Modbus/BACnet) output to BMS for critical paramete [iv] Initial / first charge of refrigerant gas & compressor shall be deemed included in the quoted rate. [v] Necessary civil work viz. foundation for placement of chillers as per OEM recommendation, etc. shall be deemed included in the scope of work.

CHILLED WATER CIRCULATION PUMP Supply, installation, testing and commissioning of monoblock pump set, self-priming, single-stage centrifugal pump, capable of 2.4 LPS discharge at 14 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar (GMC-1.525), Wilo, Crompton Greaves NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. [ii] 01 working plus 01 Standby pump set are to be provided. ie Each pump set shall be measured seperately

HOT WATER CIRCULATION PUMP Supply, installation, testing and commissioning of monoblock pump set, self-priming, single-stage centrifugal pump, capable of 3.4 LPS discharge at 6 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018, and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of appropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar (KDS0510), Wilo, Crompton Greaves NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. [ii] 01 working plus 01 Standby pump set are to be provided. ie Each pump set shall be measured seperately

FRP INDUCED DRAUGHT COOLING TOWER Supply, installation, testing and commissioning of FRP rectangular shape, vertical, induced draught counter flow cooling tower of 15 TR size with uniform water distribution and optimal heat transfer, having tough fiberglass reinforced plastic (FRP) casing of sufficient structural strength to withstand vibrations and wind velocity up to 60 m/s, FRP basin, rigid honeycomb type PVC fill of suitable thickness, SS sprinklers and non-clogging sprinkler pipes, FRP drift eliminator, energy efficient induced draught axial type fans with factory set and dynamically balanced blades pitch, TEFC squirrel cage induction motor (1W + 1S), conforming to IS 12615: 2018, suitable for operation on 3- Ph, 415 V, 50 Hz AC supply with IP 65 protection for enclosure, inlet, outlet, drain and over-flow nozzle connections, etc. complete with accessories as specified and directed by the engineer-in-charge. Make: Delta, Advance, National, Paharpur NOTES: [i] Necessary civil work viz. foundation, supporting structure, etc. for placement of cooling tower shall be deemed included in the scope of work.

CONDENSER WATER PUMP Supply, installation, testing and commissioning of monobloc, self-priming pump set, single-stage centrifugal pump, capable of 3.6 LPS discharge at 14.0 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor, conforming to IS 12615: 2018 and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting complete all as specified and directed by engineer-in-charge. Make: Kirloskar (GMC-116), Wilo, Crompton Greaves NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. [ii] 01 working plus 01 Standby pump set are to be provided. ie Each pump set shall be measured seperately

EXPANSION TANK S & F SS- 304 closed expansion tank of 100 litre capacity with pressure rating to suit the system pressure and sized adequately to compensate for water expansion due to operating temperature variations, conforming to IS: 2825- 1969 for 'non-fired pressure vessels' complete with inter-connection piping, non-return valve, safety relief valve and pressure gauge, insulated with 50 mm thick elastomeric insulation and cladded with 26 gauge aluminium complete with accessories as specified and directed by the engineer-in-charge. Make: Anergy, Emerald or Xylem

HDPE MAKE-UP WATER TANK FOR COOLING TOWER S & F multi-layered HDPE make-up water tank of 2500 litre capacity made up of 100% virgin material, having 100% UV stabilized white outer layer, threaded lid, extra insert lid for protection against algae formation complete with inter-connection piping and non-return valve etc. complete all as specified and directed. Make: Sintex, National Plastic, Aquatech

HVAC PANEL Supply, installation, testing and commissioning of factory made, CPRI / ERDA type tested, fully compartmentalized bolted type HVAC Panel of suitable size conforming to IEC 61439-1 & 2 and IEC 61641 and having modular extensible design suitable for outdoor mounting, internal arc compliance of minimum 70 kA for 0.5 s, made out of 3.15 mm thick mild steel CRCA sheet, having both sides openable with hinged doors and locking arrangement, IP 43 & IK 10 protection, supported and fixed on structural frame of angle iron of suitable size, including earthing stud, labelling, painting to all internal & external exposed steel surfaces with powder coating paint (7 tank process), duly fixed in ground with PCC foundation (1:2:4) type B1, with danger notice plate of 1.6 mm thick mild steel vitreous enamelled (white) with letters, figures and conventional skull and bones in signal red colour suitable for 3-Phase, 4-Wire system, 500 V grade with necessary wiring, PVC sheathed stranded copper conductor of appropriate length and size, including fixing lugs, bolts, screws, etc. complete all as specified and directed by the engineer-in-charge. Make: Schneider, ABB, Siemens, L & T The HVAC Panel shall comprise of the following: Busbar Chamber: [i] 01 Set (3L + N) of copper busbar of rated capacity 200 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection

Incoming: [i] 160 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [ii] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interrupts- 01 Nos. [iii] LED phase indicators (Red, Yellow, Blue)- 01 Set Outgoing: [i] 125 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 01 Nos. [for Hot Water Generator] [ii] 40 A, 415 V, Ics = Icu = 50 kA, conforming to IS/IEC 60947-2, 50 Hz, 3P MCCB with microprocessor based release, overload protection with inverse time delay, instantaneous protection with fine settings, protection against current unbalance and single phasing, inbuilt earth fault and neutral overload protection, compression lug connectors- 02 Nos. [for chiller]

M & L for 1.1 kV grade copper conductor, XLPE insulated armoured cable conforming to IS 7098 (Part 1): 1988, having stranded copper compact shaped conductors as per Cl. 2 of IS 8130: 1984, PVC inner sheath, single armoring of galvanised steel strip/wire and PVC Type ST-2 outer sheath conforming to IS 5831: 1984, including necessary clamping / dressing with cable ties and termination complete all as specified and directed by engineer-in-charge. Make: RR Kabel, Polycab, Havells

4 core, 2.5 mm² (for Chilled Water Circulation Pumps, Condenser Water Pump, Cooling Tower, Hot water circulation pumps, Humidifier)

4 core, 6 mm² (for Chillers)

CONDENSER WATER PIPING Supply, laying / fixing, MS ERW CLASS- C PIPE testing and commissioning of condenser water piping of following size including necessary fittings viz. bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above.

Y-STRAINER Supply, installation, testing and commissioning of 50 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304 screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

BUTTERFLY VALVE Supply, installation, testing and commissioning of 40mm NB butterfly valve wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF8M stainless steel disc, AISI- 304 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

NON-RETURN VALVE Supply, installation, testing and commissioning of NON-RETURN VALVE 50 mm NB straight pattern PN 1.6 rated stop cum non return valve (NRV), designed & tested as per BS 5152, having Gr. FG-200 CI body, bonnet, valve disc, gland & handwheel confirming to IS:210, AISI- 410 stainless steel stem, 26 Kg/cm2 body test pressure & 16 Kg/cm2 seat test pressure and standard flange end conforming to DIN 2533 RF with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

CHILLED WATER PIPING M & L MS ERW CLASS- C PIPE for chilled water piping including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated complete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately.

S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation (in tubular form) made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume ≤ 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make: Armaflex, Vidoflex, Kaimenflex

Y- STRAINER Supply, installation, testing and commissioning of 40 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304 screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

BUTTERFLY VALVE Supply, installation, testing and commissioning of butterfly valve 40 mm NB wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF8M stainless steel disc, AISI- 304 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

NON-RETURN VALVE Supply, installation, testing and commissioning of 40 mm NB straight pattern PN 1.6 rated stop cum non return valve (NRV), designed & tested as per BS 5152, having Gr. FG-200 CI body, bonnet, valve disc, gland & handwheel confirming to IS:210, AISI- 410 stainless steel stem, 26 Kg/cm2 body test pressure & 16 Kg/cm2 seat test pressure and standard flange end conforming to DIN 2533 RF duly insulated with elastomeric thermal insulation with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

3-WAY DIVERTING GLOBE VALVE Supply, installation, testing and commissioning of 40 mm NB maintenance-free PN 1.6 rated 3-way diverting globe valve for modulating water-side control of air handling units (For diverting application) along with valve actuator complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider

The valve and actuator shall conform to the following technical specifications: [1] Valve: (i) Body: Ductile iron GGG40 (ii) Valve Cone: SS304 (iii) Valve Stem: SS630 (iv) Valve Seat: SS304 (v) Stem Seat: PTFE & FFKM (vi) Flow Media: Chilled Water (vii) Rangeability: 100:1 (viii) Leakage Rate: Max. 0.02% on all path [2] Actuator: (i) Nominal Voltage: AC / DC 24 V (ii) Nominal Frequency: 50 Hz (iii) Power Consumption in Operation: 2 W (iv) Power Consumption in Rest Position: 1.5 W (v) Actuating Force Motor: 1.5 kN (vi) Operating Range: Y: 0.5… 10 V (vii) Input Impedance: 100 kΩ (viii) Position Accuracy: ±5% NOTES: [i] The 3-way diverting globe valve shall be pre-calibrated to the given maximum flow rate. [ii] Closing off differential pressure of actuator connected with 3-way diverting globe valve shall not be less than the pump head.

BALL VALVE S & F of PN 25 rated forged brass 20 mm NB ball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

HOT WATER PIPING

MS ERW CLASS- C PIPE M & L for hot water piping including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated complete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya for pipes & Armacell, K-Flex, Aeroflex for insulation NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above. [iv] Insulation shall be measured and paid for separately.

S & F of 32 mm thick off-white flexible closed-cell elastomeric thermal insulation of (in tubular form) made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C534 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume ≤ 0.2% as per ASTM C 209 / C1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21/C1338, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make: Armacell, K Flex, Kaimann Flex, Vidoflex

Y- STRAINER Supply, installation, testing and commissioning of 32 mm NB cast iron bolted cover Y-type strainer with CI body conforming to IS:210 Gr.FG200, SS AISI 304 screen having 1.2 mm perforation, 24 kg/cm2 body test pressure & 16 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

BALL VALVE S & F of PN 25 rated forged brass ball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

NON-RETURN VALVE Supply, installation, testing and commissioning of 32 mm NB vertical type two piece design vertical lift check valve, having bronze IBR 282 Gr.B body, renewable seat & disc, SS AISI-410 trim, 35 Kg/cm2 body test pressure & 17 Kg/cm2 seat test pressure and standard screw female BSP taper threads end conforming to BS 21 duly insulated with elastomeric thermal insulation with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan for strainer & Armacell, K-Flex, Aeroflex for insulation

3-WAY DIVERTING GLOBE VALVE Supply, installation, testing and commissioning of 32 mm NB maintenance-free PN 1.6 rated 3-way diverting globe valve for modulating water-side control of air handling units (For diverting application) along with valve actuator complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider

The valve and actuator shall conform to the following technical specifications: [1] Valve: (i) Body: Ductile iron GGG40 (ii) Valve Cone: SS304 (iii) Valve Stem: SS630 (iv) Valve Seat: SS304 (v) Stem Seat: PTFE & FFKM (vi) Flow Media: Chilled Water (vii) Rangeability: 100:1 (viii) Leakage Rate: Max. 0.02% on all path [2] Actuator: (i) Nominal Voltage: AC / DC 24 V (ii) Nominal Frequency: 50 Hz (iii) Power Consumption in Operation: 2 W (iv) Power Consumption in Rest Position: 1.5 W (v) Actuating Force Motor: 1.5 kN (vi) Operating Range: Y: 0.5… 10 V (vii) Input Impedance: 100 kΩ (viii) Position Accuracy: ±5% NOTES: [i] The 3-way diverting globe valve shall be pre-calibrated to the given maximum flow rate. [ii] Closing off differential pressure of actuator connected with 3-way diverting globe valve shall not be less than the pump head.

DRAIN & INSTRUMENTATION PIPING

MS ERW CLASS- C PIPE M & L for mild steel electric resistance welding class-C drain water piping including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories, duly insulated complete all as specified and directed by the engineer-in-charge. Make: Tata, Jindal, Surya NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above.

BALL VALVE S & F of PN 25 rated forged brass ball valve, having lever operated two piece design, renewable P.T.F.E. seat, brass ball, machined brass nickle plated stem, P.T.F.E. packings, full bore port opening, screwed female BSP parallel thread end connections, body test pressure 40 kg/cm2g Hyd. and working pressure 25 kg/cm2g Hyd. duly insulated with elastomeric thermal insulation with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

AUTO AIR-VENT Supply, installation, testing and commissioning of automatic air-vent valve with 20 mm end connections, brass body and cover, plastic float, brass cap etc. suitable for maximum operating pressure of 16 bar and maximum operating temperature 100 °C respectively, installed on all high points in the water piping system to automatically remove the trapped air complete all as specified and directed. Make: Advance, Sant, Hindustan

TEMPERATURE GAUGE S & F of 6" dual scale (°F/°C), lower mount (radial), bimetal thermometer having 0.5 NPT process connection, Grade A accuracy class as per ASME B40.200, stem diameter 6.35 mm, laminated safety glass window, stainless steel 304 case, steam, process connection & joint, aluminium dial & pointer, IP67 protection, scale range 0- 60 °C complete with accessories, etc. as specified and directed by engineer-in-charge. Make: General, WIKA, TSI

PRESSURE GAUGE S & F of 4" bourdon tube pressure gauge conforming to EN 837-1, having copper alloy process connection & pressure element, plastic black pointer & case, plastic crystal-clear window, snap-fitted in case, accuracy class 2.5, scale range 0- 25 bar complete with accessories, etc. as specified and directed by engineer-in-charge. Make: General, WIKA, TSI

AIR DISTRIBUTION DOUBLE SKIN AIR HANDLING UNIT

Supply, installation, testing and commissioning of 6000 CFM @ 3'' w.g. static pressure double-skin type horizontal, floor-mounted, top / side discharge air handling unit and having thermal break profile complete with air-tight casing using gaskets and self-adhesive tapes 0.8 mm thick pre-coated outer skin and 0.6 mm thick GI inner skin, 45±2 mm thick double skin panel with pressure injected CFC/HCFC free PUF having 'k' value of 0.02 W/°C/m & density 40 kg/m³, AMCA certified energy efficient plug fan(s) with backward curved impellers for high static pressure mounted on aluminium extruded siderail base frame with VFD, EU4 pre-filter and EU7 fine filter (mounted on a common frame), combination of 6/8 rows deep chilled water coil(s), 1/2 rows deep hot water coil(s) with anti-corrosion aluminium fins, suitable high efficiency (IE3) TEFC squirrel cage flame proof induction motor, PVC/nylon hinges & handles, view port and marine lamp, limit switch, SS-304 drain pan, vibration isolators/rubber pads (minimum 1" thick) inspection windows / doors, mixing box and supply / return / fresh air openings fitted with aluminium volume control dampers, thermostat & humidistate,etc. complete all as specified and directed by the engineer-in-charge. Make: Trane, Carrier, York, Flaktgroup, Zeco, Citizen, Bayhan

The AHU shall comprise of the following: [a] Suitable SISW backward curved plug fan, dynamically balanced, with AMCA certified blower [b] Flameproof foot mounted (B3 construction) 3-Phase squirrel cage induction motor (1W + 1S) 415 V ± 10%, 50 Hz ± 5 %, combined variation ±10%, insulation class F, (for Blower of AHU) of 15 kW capacity, 22000 CFM with temperature rise limited to class B, degree of protection IP 55, duty 51, ambient temperature 45 ºC, conforming to IS 12615: 2011, IS/IEC 60079-1: 2007, IS 3682: 1966 gas group II A, II B

[c] Flexible connection made with airtight ASTM E84 (Class I) polyester fire retardant cloth riveted on periphery of cloth with extruded aluminium 'L' angle flange as per fan size at discharge duct/plenum [d] Washable type of 'EU4' filter (pre-filter, efficiency 90% down to 10 micron) and 'EU7' filters (Micro Vee filters, efficiency 99% down to 3 micron) [e] 6 / 8 rows deep chilled water cooling coil section with 0.15 mm thick aluminium fins and 0.36 mm diameter copper tubes tested on 21 kg/cm², with SS sandwiched drain tray, etc. (a 350 mm service section between eliminator and heater is required) [f] Condensate drain pan fabricated from 18 gauge SS 304, powder coated and insulated with elastomeric insulation of suitable thickness [g] 1/2 row deep heating coil section with aluminium fins and copper tube tested on 21 kg/cm² with SS sandwiched drain tray, etc. [h] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalized construction with incomer and outgoing feeders for AHU motor, PAN type humidifier, 3-way valve actuator motor, fire damper actuator motor, etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc. [i] Variable Frequency Drive (VFD) with IP 55 enclosures and mains disconnect switch suitable for 5.5 kW and comprising of the following complete with accessories of Danfoss, Schneider, L & T, ABB or Fuji make.

(1) Built in dual 5% impedance DC link reactor (harmonic filters) on the positive and negative rails of the DC bus of the Variable Frequency Drive. (2) Built in EMC filters (electro magnetic compatibility filters) for restriction of conducted emissions to comply with IEC61800:3 (un restricted distribution) :2004 Category C 1 (50 meter). (3) Three feedback PID controller having capability to simultaneously accept 3 feedback signals from temperature sensors or pressure sensors for process optimization and accordingly control the speed of the AHUs or pumps. (4) Integral graphical keypad. NOTES: [i] The price of VFD and other necessary control equipment is deemed included in the quoted rate. [ii] Necessary civil work viz. foundation for placement of AHU, mounting of variable frequency drive (VFD) panel, construction of opening(s) for fresh/exhaust air etc. shall be covered in the scope of work.

FIRE DAMPER Supply, installation, testing and commissioning of 16 gauge GI fire damper, at least of 120 minutes fire-rating, spring activated on melting of fusible link having melting point 67.13° C complete with smoke detector / thermistor, fusible link etc. and actuator as required for operation, located in the SA / RA ducts, at all fire rated crossoevers (shafts, walls, etc.). along with control panel (located in such a way that the reset can easily be done), interlocked with the building management system for the fire detection or HVAC to trip / close in the event of fire/smoke in the respective zone and tested as per ULL- 555 and certified by CBRI complete all as specified and directed by engineer-in-charge.

The fire dampers shall meet the following criteria: [a] Bare fire dampers with 400 mm sleeve [b] Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position. [c] Interconnection wire for the fire detection & alarm system with the AHU and the smoke dampers [d] Sealing any openings around the sleeve of the fire dampers with approved fire sealant as per the specification & recommendations of the manufacturer.

Motorized, spring return type, combination fire and smoke damper Make: Air Flow, Caryaire, Dynacraft, Ravistar

Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position. Make: Anergy, Belimo, Honeywell

VOLUME CONTROL DAMPER Supply, installation, testing and commissioning of high performance airfoil class 1A leakage rated GI volume control damper having galvanised steel hat channel frame reinforced with corner braces, galvanised steel airfoil shaped blades (double skin construction) of 14 gauge thicknes, neoprene blade edge seals, flexible met+B318al compressible jamb seals, stainless steel sleeve, linkage concealed in frame, etc. tested as per AMCA Standard 500-D-98 complete all as specified and directed by engineer-in-charge. Make: Air Flow, Caryaire, Dynacraft, Ravistar

PAN-TYPE HUMIDIFIER Supply, installation, testing and commissioning of PAN-type humidifier, suitable for 50 LPH evaporation rate, having SS-304 sheet welded construction with unitized stainless steel reservoir divided into two chambers from inside having 25 mm thick fiberglass insulation cladded with aluminium foil, snap-acting humidistat, support legs for free-standing or wall hanging brackets for wall-mounting, factory mounted & wired humidifier control cabinet, steam outlet nozzle, water make-up, drain, over-flow, quick fill connections, immersion heaters made of copper or stainless steel, terminal blocks suitable for field power and control wiring and safety thermostat complete all as specified and directed by the engineer-in-charge. Make: Rapid cool, Cellcraft or sigma airtech

HOT WATER GENERATOR Supply, installation, testing and commissioning of SS 304 shell type vertical electric hot water generator suitable for 30000 kCal/hr heat output at 122º F (50º C) temperature, tested for 350 psig pressure, having resin insulation bonded with fiber glasswool along with aluminium cladding, thermostat for individual step, digital thermometer for inlet & outlet pipes, pressure gauge with ball valve for inlet & outlet pipes, SCR based stepless linear controller, float switch, audio/visual alarm for low water level, audio/visual alarm for high temperature, pressure relief valve, door switch, safety thermostat, etc. including suitable pump complete all as specified and directed by the engineer-in-charge. Make :Bechtel, SAZ Boilers, HEAT-Max , Rapid Cool

GALVANIZED STEEL SHEET DUCTING Supply, installation, balancing and commissioning of 24 G (MS angle flanges) factory fabricated galvanized steel sheet metal (G.S.S.) round / rectangular ducting of following sheet thickness having zinc coating of 120 g/m² total on both sides and complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, volume control dampers, hangers, supports, etc. as per approved drawings and conforming to the latest edition of IS 655: 2006 & HVAC Duct Construction Standards - Metal and Flexible of SMACNA along with required scaffolding work to install the ducts at site complete all as specified and directed by engineer-in-charge. NOTES:

[i] Duct connection shall be carried out by angle flange technique. [ii] The quoted shall be inclusive of hangers & supports, etc. [iii] Volume Control Damper shall be measured and paid for separately.

AIR TERMINALS M & L for square / rectangular / round neck ceiling diffuser for fixed, horizontal discharge pattern consisting of an outer frame assembly with a square / rectangular inlet being an integral part thereof, an inner core assembly consisting of fixed deflection louvers, anodic acrylic paint finish, etc. and tested as per ANSI / ASHRAE standard 170-1991 complete all as specified and directed by the engineer-in-charge. Make: Air Flow, Caryaire, Dynacraft, Ravistar

300 mm X 300 mm rectangular neck 4-way discharge ceiling diffuser having neck velocity ≤ 600 ft/min, throw ≥ 12' @ 150 ft/min velocity NC ≤ 23 for air flow ≥ 520 ft3/min

THERMAL INSULATION S & F of black flexible closed-cell elastomeric thermal insulation made of elastomeric foam based on synthetic rubber (NBR / PVC) with self pre-covered self-adhering, UV treated glass cloth of thickness 7 mm / 200 GSM, tested for maximum service temperature 100 ºC as per ASTM C411 & minimum service temperature -50 ºC as per ASTM C534, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 24 ºC as per ASTM C518 / C177, ASTM C335, water absorption by volume ≤ 0.2% as per ASTM C1763, fire spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E84, flammability HB, V-0 as per UL 94, fungi resistance as per ASTM G21, mould growth resistance as per ASTM E2180-18 / UL 181 and ozone resistance as per ASTM D 1149-18 along with adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make: Armacell, K-Flex, Aeroflex

19 mm thick thermal insulation (for supply)

13 mm thick thermal insulation ( for return)

S & F of FM approved fibre-free, super-silent, microbe resistant, easy to apply 10 mm thick acoustic duct lining insulation of open cell elastomeric foam based on synthetic rubber tested for acoustic performance as per EN ISO 354, EN ISO 11654: 1997 & ASTM C 423, service temperature range -20- 85 ˚C as per EN 14706 & EN 14304, thermal conductivity λ ≤ 0.047 W/mK at mean temperature θm = 20 ˚C as per EN 12667, Class 1 surface spread of flame as per BS 476 7: 1997, flammability HB, V-0 as per UL- 94, anti-microbial behaviour (no fungal growth visible with the naked eye & no bacterial growth) as per EN ISO 846, air erosion resistance (no erosion, cracking or delamination at air velocity of 10000 FPM) as per ASTM C 1071- 05, density 140- 180 kg/m3 along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Armaflex, Vidoflex, Kaimenflex or as per zonal specification

S & F of Indoor type wall mounted digital temperature cum %RH meter (Digital Thermos Hygrometer) complete with large LCD, English display having operating with 12/24H Max/Min temperature and humidity memory function range -50°C to 70°C Temperature accuracy 0.5 ºC and Humidity range 10% to 99% RH Humidity accuracy 5% RH Humidity resolution 1% RH Power source 1*AAA (1.5V) battery for AC Plant Room complete as specified and directed by the engineer-in-charge. Make: Honeywell, HTC, General Or Make As Per Zonal Specification

M&L for shifting of RMU outdoor type one incomer and two outgoing within a distance of 3 kms with and including disconnection and reconnection of all electrical and mechanical parts all T&P, earth work, PCC foundation platform etc. complete as specified and directed by the engineer-in-charge Note :Rate for providing foundation/ plateform (as per OEM recommendation) for installation of RMU deemed to be included in the quoted rates, Drawing for palrform as OEM instruction to be approved before commencement of work

Dismentling of old Package type ACs including indoor and outdoor units, piping connections etc complete of capacity 7.5 TR and depositing to E/M store yard from NB-4 all as specified and directed.

Dismentling of old Package type ACs including indoor and outdoor units, piping connections etc complete of capacity 5.5 TR and depositing to E/M store yard from BDP-2 all as specified and directed.

Dismentling of old inlet air duct from NB-4 building

Dismentling of old inlet air duct from BDP-2 building

Sch of credit Rs 21331.11

FRIZO INDIA PVT LTD

M K ENGINEERS CO.