CWE/P-64/2025-26

Amount

Supply, Installation, Testing and commissioning of AHU Double skin roof/ floor mounted weather proof out door type 43 MM thick PUF panel with thermal break profile, backward curved blower of suitable size as per design with 6/8 RD chilled water coil, with pre, fine filter & Hepa filter section, with mixing box type with supply, return & fresh air Aluminium Damper suitable for 2200 CFM and total static pressure double-skin type horizontal, roof/floor-mounted, top/ side discharge air handling unit 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, 43±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), 2/4 rows deep hot water coil(s) and reheat coil 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 and drain pipe, 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 as directed.

The AHU shall comprise of the following: [a] Suitable SISW backward curved plug fan, dynamically balanced, with AMCA certified blower [b] Flame proof foot mounted (B3 construction) 3-Phase squirrel cage induction motor 415 V ± 10%, 50 Hz ± 5 %, combined variation ±10%, insulation class F 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 ( fine/Micro Vee filters, efficiency 95% down to 5 micron) and HEPA filter in ceiling terminal plenum/inside the AHU as per design of AHU, 99% down to 0.3 micron as per stamdards of filters [e] 6/8 rows deep chilled water cooling coil section with 0.15 mm thick aluminium fins and not less than 0.36 mm diameter copper tubes tested on 21 kg/cm², with SS sandwiched drain tray, etc. (a standard service section between eliminator and heater is required) and cooling capacity as per based on design.

[f] Condensate drain pan fabricated from 18 gauge SS 304, powder coated and insulated with elastomeric insulation of suitable thickness [g] 2/4 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, 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 and comprising of the following complete with accessories of Danfoss, Schneider, L & T, ABB or Fuji make. (j) 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. (k) 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).

M & L for MS ERW "C" Class Hot/Chilled water piping 32 mm dia 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 accessorie, duly insulated etc complete all as specified and as directed.

Supply, installation, testing and commissioning of wafer type PN 1.6 rated short pattern CI butterfly valve 32 mm dia having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF 8 stainless steel disc, AISI- 410 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 etc complete all as specified and as directed.

M & L for PN 1.6 rated precise balancing 32 mm diadouble regulation type Brass body/Steelness steel body balancing valve of having Steel/Brass body, EPDM / nitrile seal, brass/stainless steel disc, ASTM A 276, Gr SS410 stem, EPDM / nitrile bush, MS gland nut, ASTM A 276 spindle, CI bonnet, SS304 baancing nut, MS bonnet cap, CI hand wheel, MS plug, stainless steel fastener, flanged end connection, etc., and duly insulated with elastomeric thermal insulation with necessary accessories etc complete all as specified and as directed.

Supply, installation, testing and commissioning of cast steel bolted cover Y-type strainer suitable for 32 mm NB with CCS body conforming to ASTM A- 216 Gr. WCB, AISI 304 screen with 1.2 mm diameter perforation, 40 kg/cm2 body test pressure & 20 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150, duly insulated etc complete all as specified and as directed.

Supply, installation, testing and commissioning of PN 16 rated NB 2-way pressure independent control valve (PICV)/modulating valve suitable for 32 mm dia MS pipe with sensor operated flow rate or power control and energy monitoring function, flange end connections, etc. for modulating water-side control of air handling units along with valve actuator etc complete all as specified and as directed.

Supply, Installation, Testing and commissioning of duct mounted finned tubular heaters with low watt density (9 kW in three step control) with airflow switch, digital humidistat, safety thermostat, control box, controllers, relays, contactors and all other safety accessories to be placed in the plenum box and complete all as specified and directed.

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 etc all complete as specified and directed .

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 complete all as specified and directed.

M & L for PN 1.6 rated air vent valve having brass body, cover, adopter, disc assembly & cap, stainless steel strainer, plastic float and 20 mm screwed threaded ends suitable for maximum operating temperature 100 °C installed on all high points in the water piping system to automatically remove the trapped air with necessary accessories complete all as specified and directed.

Supply, installation, testing & balancing and commissioning of factory fabricated Aluminium round / rectangular High/low pressure ducting of 16 SWG/gauge or Aluminium sheet having thickness not less than 1.6 mm and complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, volume control dampers, hangers, and supports of suitable size angles/channels/MS bars of for ducting , etc. as per standard of ducting and conforming to IS 655: 2006 & the latest edition of HVAC Duct Construction Standards - Metal and Flexible of SMACNA along with required binding/folding work to install the ducts at site complete all as specified and directed.

S & F of black flexible closed-cell elastomeric 19 mm thick 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. ( for outer duct)

S & F of black flexible closed-cell elastomeric13mm thick 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 etc complete all as specified and as directed.( for inner Ducts)

S & F of fire-retardant quality expanded polystyrene moulded pipe section (EPS) insulation of density 20 kg/m3, with a thick coat of cold setting adhesive (CPRX compound) wrapping with chicken wire mes and finally sand cement plaster or ratio 1:4 complete with type, grade-1 roofing felt strip, conforming to IS 1322: 1993, at joints repairing of damage to building etc suitable for 32 mm dia MS pipe as required complete all as specified and directed.

M & L for square / rectangular / round neck rectangular/Squre/round neck 4-way discharge ceiling supply diffuser and return diffuser/grills aluminium powder coated with VCDs having neck velocity ≤ 600 ft/min, throw ≥ 19' @ 150 ft/min velocity NC ≤ 26 for air flow ≥ 1125 ft3/min ceiling Supply 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, heavy gauge steel volume control damper operable from the face of the diffuser by removing the spring-loaded inner core assembly, throw reducing vanes, anodic acrylic paint finish, etc. and tested as per ANSI / ASHRAE standard 170-1991 complete all as specified and directed.

M & L for CBRI certified 16-gauge Motorised GI fire damper with , 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 crossovers (shafts, walls, etc.) along with control panel (located in such a way that the reset may 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 UL-555 complete all as specified and directed. The fire dampers shall meet the following criteria on: [i] Bare fire dampers with 400 mm sleeve [ii] Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position [iii] Interconnection wire for the fire detection & alarm system with the AHU and the smoke dampers. [iv] Sealing any openings around the sleeve of the fire dampers with approved fire sealant as per the specification & recommandations of the manufacturer. (v) Motorized, spring return type, combination fire and smoke damper. (vi) Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position.

Supply, installation, testing and commissioning of factory made, CPRI approved, fully compartmentalized bolted type LT grade HVAC Panel of suitable size conforming to IEC 61439-1 & 2 and IEC 61641 and having modular extensible design suitable for indoor mounting, internal arc compliance of minimum 70 kA for 0.5 s, made out of 2.0 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.

The HVAC Panel shall comprise of the following: [A] BUSBAR CHAMBER [i] 01 Set (3L + N) of Aluminum busbar of rated capacity 200 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection [B] INCOMING [i] Circuit Breaker (c) 100 A, 415 V, Ics = 100% Icu = 16 kA, 50 Hz 4P MCCB, conforming to IEC 60947-2: 2016, having thermal magnetic trip unit, adjustable overload setting, adjustable short-circuit setting, front indication LEDs, etc.- 01 Nos. [ii] Instrumentation & Measurement (a) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Run hrs. Onhrs & interupts- 01 Nos with suitable rating fof CTs and PTs (e) 6A, 10kA, 415V, 50 Hz 4P MCB- 02 Nos. [iv] Indication & Annunciation (a) LED phase indicators (Red, Yellow, Blue)- 01 Set (b) LED status indicators (ON, OFF, TRIP)- 01 Set (c) LED status indicators (SC, CSH, RTC)- 01 Set [C] OUTGOING [i] Circuit Breaker (d) 40 A, 415 V, Ics = 100% Icu = 10 kA, 50 Hz 4P MCCB, conforming to IEC 60947-2: 2016, having thermal magnetic trip unit, adjustable overload setting, adjustable short-circuit setting, front indication LEDs, etc.- 01 Nos.

(e) 32 A, 415 V, Ics = 100% Icu = 10 kA, 50 Hz 4P MCCB, conforming to IEC 60947-2: 2016, having thermal magnetic trip unit, adjustable overload setting, adjustable short-circuit setting, front indication LEDs, etc.- 03 Nos. [ii] Motor Starter / Drive (b) Variable Frequency Drive (VFD) of 3HP/2.24 kW rating with IP 55 enclosures and mains disconnect switch and comprising of the following complete with accessories - 01 Nos. The VFD shall conform to the following specification. (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 (VFD). (2) built-in EMC filters (electro magnetic compatibility filters) for restriction of conducted emissions to comply with IEC61800: 3 (unrestricted 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 pumps. (4) integral graphical keypad. (5) Suitable size and rating of push buttons for ON and OFF operation of AHU, Heater, humidifier etc

Indication & Annunciation (a) LED status indicators (ON, OFF, TRIP)- as per design NOTES: [ii] All the MCCBs up to 320 A shall be with thermal magnetic trip unit & above 320A shall be with microprocessor trip units. To ensure fail safe emergency tripping of the breakers (MCBs/MCCBs), it shall be supplied with continuous rated shunt trip coils. [iii] Necessary control and switching devices to execute the switching and control logic shall be deemed inclusive of the scope of supply irrespective of them being specified / not specified above or in the SLD. [v] The Panel shall be purchased from the original equipment manufacturer (OEM) or OEM authorized franchises only and CPRI Approved [vi] All the necessary noble components (viz., structural, Door noble like hinge, Bush, Door alignment guage and Bus bar noble - Bus bar support, Close profile structure - horizontal & vertical) of the Panel shall be supplied by the OEM.

Earthing complete with galvanised steel earth plate electrode 60×60cm× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to the Galvanise Iron earth lead 32mmx6mm (GI Strip) size, by means of bolts, nuts, check buts and washers complete up to and including test point and 32mmx6 mm earth lead protected by provision of GI medium grade pipe 40 mm bore and 20 mm bore for watering pipe including PPC pit in PCC (1:2:4) type B-1 using 20 mm graded stone aggregate ,PCC pit cover including earth work complete all as shown in Electrical Plate No-5 of SSR-2014 (Part-I). NOTE-: GI earth strip shall be measured and paid for separately under relevant item of schedule complete all as specified and as directed.

M & L for Galvanised strip 32 mm x 6 mm buried in ground or fixed to poles or any other indicated situation for loop earthing etc complete all as specified and as directed.

Supply, Installation, Testing and commissioning of SS Pan type Electrode steam Humidifier of capacity not less than 5 kg/hrs, 230 Volts, Single phase, 50 Hz ,and capacity not less than 3 KW suitable and simple to install, auto water level control and connected with RH sensor having sensing range between 0-100 RH, place in AHU room or in AHU plenum, auto drain , over load/over heat protection and low water cut- off and suitable for maintain desired RH of 50-60% and along with all connected accessories etc complete all as specified and as directed. Make:- Rapid Cool/Daspass

Lifting and shifting of AHU material and connected accessories from ground to building roof etc complete all as specified and as directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 25 sq mm 4 core, including fixing on cable tray/bldg wall/Bldg roof or any type of surfaces etc complete all as specified and as directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 16 sq mm 4 core, including fixing on cable tray/bldg wall/Bldg roof or any type of surfaces etc complete all as specified and as directed.

S & F of perforated hot dipped galvanized iron cable tray of size (150x50x1.2) mm having galvanization thickness not less than 50 microns and perforation not more than 17.5% including fittigs viz. joints, bends, tees, etc. in convenient sections of length etc complete all as specified and as directed.

Supply, laying & testing PVC insulated, PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) with stranded copper conductor of size 4 sq mm ,4 core, 1100 Volts grade.

Notes : The Schedule of Credit amount shall be deducted from the total of this schedule(BoQ) to arrive at Contract Sum.

M/S SHAKTI ELECTRIC WORKS (BID ID -3483417)