REPLACEMENT OF CAC PLANT AT KOLKATA

Amount

B/R (BLDG PORTION) Taking down cement plaster of any description, including racking out joints, hacking for key, scrubbing down with water etc, complete all as specified and directed

Material and labour rendering 15mm thick in CM (1:6) on wall finished even and fair without using extra cement complete all as specified and directed.

M&L for plaster on ceiling 10 mm thick in cement mortar (1:3) on of brick work, surface finished even and fair with out using extra cement complete all as specified and directed.

Demolition of brick or strone / boulder work built in cement mortar including all quoins, arches, pillars etc complete all as specified and directed

Material and labour brick work with subclass B brick straight or curved on plan exc. 6m mean radius , built in cement mortar (1:6) complete all as specified and directed by Engineer-in-Charge.

M & L for brick work with sub-class `B' bricks old size, straight or curved on plan to any radius in half brick thick walls built in cement mortar (1:4) complete all as specified and directed.

Dismantling of existing Expansion joint system and M & L applying TPO/FPO based joints sealing membrane, Sikadur Combiflex SG (150x2mm) with epoxy adhesive, Sikadur 31 C ( the joint shall be packed withing polystyrene board before application of Combiflex ). Then providing Sika pllystrene sealant into the gap after proper surface prepration after filling the gap with polyurethene backer rod, followed by precast RCC slab (1:2:4 ) 50 mm thick placed over the joint with minimum 150 mm projection on either side with proper drip course of size (length) n.exc. 1.2 mtr each and sealing the joints of precast RCC slab with exterior grade silicone sealant of size i.e. 10 mmx 10 mm balance with polystrene board complete all as specified and as directed by the Engr -in-Charge.

Chipping of unsound /weak concrete materials from slabs , beams,columns ,lintel,chajja, fin , facia etc. by any means as directed by engr-in-charge including tapering all edges, making square shoulders of cavities air or sand blasting etc and cleaning of exposed concrete surface of lightly picking materials by air blasting or sand blasting incl foreign matrials , loose concrete/aggregate etc and disposal of all debris out of MOD land and complete all as specified and as directed by Engr-in-Charge ( upto 8 storey of building)

Removing of concrete all around reinforcement including from behind the reinforcing bars to give an average 25mm (but not less than 15mm clear air gap)by manual methods (using wire brushing ,chiselling etc) and applying alkaline rust removing chemical followed by removing rust including from behind the reinforcing bars by emery paper and cleaning the area throughly by water and allow it to dry all as per manufacturer,s instruction to give it a totally rust free finished steel surface complete all as specified and directed by Engr-in-charge ( Make : SIKA/FOSROC) upto 12 mm dia bar ( upto 8 storey High. of building)

M & L for providing single coat of epoxy bond adhesive of prepared non metallic surface (existing surface) and applying by brush all as per manufactures instruction/specification. The bonding agent shall have minimum compressive strength of 40 N/Sqmm and complete all as specified and directed by Engr-in-charge upto 8 storey

Supply and application of Epoxy Zinc rich primer on the prepared steel surface by brush the primer shall have a minimium specific gravity 1.75 minimum weight film thickness/coat 40 microns and minimum adhesive bond strength with steel is 1.5N/mm2 complete all as specified and directed by Engr-in-charge. Make ; SIKA/FOSROC upto 8 storey High.

M & L for providing and placing in position free flow non shrink cementitious micro concrete of Grade of M-50 to the effected beam, column including necessary form work etc. The micro concrete shall have a minimium 1 day compressive strength of 10 Mpa and 28 days strength of 50 Mpa, minium tensile strength 5N/mm2 @ 28 days, minimium flextural strength 5N/mm2 @ 28days and complete all as spd and dir by Engr-in-charge.( Make: SIKA/FOSROC/ELANTAS BECK/KUNAL CONCHEM) 50 mm average thickness of Column,upto 8 storey High.

Add/ deducted item No 12 above for each 10 mm thickness etc complete all as specified and directed.

Supply, mixing and application two component structural grade polymer modified reinstatement morter, where local spalling has taken place or shuttering is not possible . The morter can be applying in layers not exceeding 6mm thick in each layer in and upto any thickness in smaller vertical pockets and upto any thickness in horizontal applications. The mortar should have a minimium compressive strength 12N/mm2 in 1 day and 45N/mm2 in 28 days. Minimum flexural strength should be 8 N/mm2 in 28 days. A modified styrene butadience emulsion for use as a bonding aid and gauging liquid for cementious system to be mixed with cement slurry before the application of modified polymer mortar to be used @ 6 ltr/bag of cement. The bonding agent should have minimium compressive strength 24N/mm2. Minimum tensile strength 3.5N/mm2, minimium flexural strength 6.5N/mm2 complete all as spd and directed by the Engr-in-charge upto 25 mm average thickness and upto 8 storey High. Make :- Sika/Fosroc NOTE:- Cement and sand morter in proportion of 1:2 graded coarse sand ) with polymer admixed in proportions approved by Engr-in-charge) Note : 1. Curing compound shall be measured separately

M & L for applying curing compound over concrete surfaces as per manufactures instruction complete all as specified and directed by Engr-in-charge. Make :- Sika/Fosroc Note :- Work to be carried out upto 8th storey.

Dismantling wall and ceiling boards (fibre, pulp, insulation etc.) any thickness, including cover fillets complete all as specified and directed

M&L for suspended false ceilling (Decorative Type) system using metalic (E grid) exposed suspende system, grid section size 600mm x 600mm comprising of GI powder coated main runner of dimension 39 mm x 24mm x 0.80mm thick ( thickness comprising of GI/0.4+ PPPCGS/0.3mm & weight of Runner 1.35 kg for 3600mm length) Cross Tee of dimensions 29mm X 24mm x 0.8 mm thick wall angle 22.2mm x22.2mm x 0.65 mm thick ( thickness comprising of GI/0.35 + PPPCGS/0.3 mm & Weight of angle 0.70 kg for 3050 mm length) with and including 6 mm thick HPSC ( High pressure steam cured) pre- primed, self embossed textured designer board, water resistant termite resistant, fire resistant for insulation and accustic purpose to be placed in the grid system duly suspended with 6 mm dia G I bars hangers fixed with steel dash through fasteners from purlins of the roof with butterfly clips (Wt- 0.007 Kg/clip) hold down clips (Wt - 0.0035 Kg/clip) with Provn of light fixture complete all as directed. Make- EVEREST,Armstrong,Vishakha

Dismentling floor hearth or wall tiling including cement motor bedding incl backing, removing serviceable tiles to stone and rubbish off the premises complete all as specified and directed

M&L for Virified Ceramic tiles 10 mm thick (square/ rectangular) polished, area of each tiles not exceeding 0.36 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match, laid including over 15 mm thick screed bed in CM (1:6) all as specified and directed.

M&L for coloured, glazed ceramic tiles size 450x300x 7-8mm thick, in dado/skirting etc, set and jointed in neat cement slurry and pointed in white cement mixed with pigment to match, laid including over 10 mm thick rendering in CM (1:4) all as specified and directed.

Taking down of Chowkhat with shutter (without taking of shutter) area n.exc 1.5 Sqm complete all as specified and directed

Taking down of Chowkhat with shutter (without taking of shutter) area exc 1.5 but n.exc 4.0 Sqm complete all as specified and directed

S&F Powder coated aluminium door shutter fixed with rubber gasket, stopper, cleats, handles etc complete incl aluminium door styles of size 80 mm x 40 mm x 1.55 mm and aluminium door section of top, bottom and lock rail shutter frame of 80mm x 38mm x 1.55 mm complete all as specified and as directed by the Engr-in-Charge.

S&F for Powder coated aluminium sliding windows for three track with rubber gasket, stopper powder coated aluminium standard beads/glazing clips ,locking arrangement etc and aluminium frame of size 80mmX25mmX1.55mm and shutter of section 20mm X20mm X1.55mm incl ( two shutter of 4.8mm thick glass and one shutter of wiremesh 0.36 mm dia of wire and average width of aperture 1.40 mm) etc all as per manufacturer's instructions and all as specified and as directed by the Engr-in-Charge.

S & F 4.8 mm thick sheet glass, ordinary quality and glazing with necessary aluminum clips/fittings etc in squares exceeding 0.5 Sqm in each pane complete all as specified and directed.

S & F solar control film 50 micron reflective type sticked to glass panes as per manufacturer's instructions complete all as specified and directed.

M&L 9 mm thick prelaminated partilce boards interior grade prelaminated one side with decorative choice lamination & other side balancing white lamination fixed with screw to timber frame for pelmet boxes,aluminium door and aluminium partitions complete all as specified and directed.

M&L for preparing and removing existing surfaces old decorated plastered or unplastered surfaces of Ceiling, pillasters, cornices etc and applying Two coat of old bound distemper over a coat of wall care putty to match existing surface complete all as specified and as directed.

M&L for two coat acylic distemper over a coat of wall care putty on new plastered surfaces preparatory to distemper incl preparation of wall surfaces complete all as specified and directed.

M&L for preparation of newly plastered surface of ceiling, applying two coat oil bound distemper over a coat of primer complete all as specified and directed.

M&L for old wall surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paints complete all as specified and directed.

M&L for applying One coat of acrylic distemper over old decorated plastered or unplastered surfaces of wall, pillasters, cornices including preparation of old surfaces etc complete all as specified and as directed. including necessary scaffoding complete all as specified and directed.

S&F ball valve high pressure of PTMT 40-50 mm bore ( minimum weight 210gms) with epoxy coated aluminium rod and high density plastic ball screwed for iron pipes or brass ferrule and fixed of following size complete all as specified and as directed.

Taking up or down 40-50 mm bore GI tubing pipe and connections, including cleaning for re-fixing or removal to store, complete all as specified and directed

Taking down and Refixing 50 mm old steel tubing (walls, ceiling, floors etc.) all as spd and directed by the Engr in Charge.

S&F galvanised 40 mm bore steel water tubing (GI pipe), medium grade with all fittings and fixed to wall, floor and ceiling of following bore complete all as specified and as directed.

S&F 50 mm bore (Outer dia) UPVC pipes of (SCH-40)and plain UPVC SDR 11 fitting fixed on wall or floor, ceiling or laying in floors complete all as directed.

S&F brass 40mm Gun-metal, globe or gate valves with iron wheel head, screwed both ends for iron pipe and fixed complete in upvc and GI pipe complet all as specified and directed

Supply and Fixing 50 mm bore gunmetal Brass non-returning valve complete all as specified and as directed.

Dismantling water tank of capacity exc. 1000 Ltr but n.exc.2000 Ltr, open or closed and removing to stores complete all as specified and as directed.

Dismantling water tank of capacity exc. 10000 Ltr but n.exc. 15000 Ltr, open or closed and removing to stores complete all as specified and as directed.

S&F Rotational moulded polyethyene water storage tank (cylinderical vertical with closed top)of 2000 ltr capacity, hoisted and fixed in position all as specified in SSR Part-I complete all as specified and as directed.

S&F Rotational moulded polyethyene water storage tank (cylinderical vertical with closed top)of 15000 ltr capacity, hoisted and fixed in position all as specified in SSR Part-I complete all as specified and as directed.

Disconnecting existing tanks in repair of capacity exc 1000 Ltr but n.exc 2000 Ltr, setting aside (or lowering if required) for repairs, cleaning etc. and hoisting if required reconnecting and refixing in position complete all as specified and as directed.-Charge. (Note :- Cleaning, repairing etc. measured separately)

M&L for RCC (Nominal Mix) in type-B1 1:2:4 (20mm graded aggregate) slab supported on walls, beams and columns in floors, roofs, landings, balconies canopies, deck slabs and in shelves and the like complete all as specified and directed.

Material and labour for RCC nominal mix Type B-1 1:2:4 using 20 mm graded stone aggregate as in columns etc. complete all as specified and directed.

Material and labour for RCC nominal mix Type B-1 1:2:4 using 20 mm graded stone aggregate as in beams, cantilevers, bressummers, lintels over 1.5m span complete all as specified and directed.

M&L for formwork to sides of concrete of columns, beams, sides and soffits (if any) of and similar work; vertical or to batter with rough finished surface of concrete complete all as specified and as directed.

Material and labour for formwork to soffits of suspended slabs such as roof slabs,staggings n.exc 200mm thick fair finished concrete surface. complete all as specified and as directed.

M&L for mild steel TMT bars 10MM dia and over, cut to length, bent to shape required including cranking, bending, hooking ends and binding with mild steel wire (annealed) not less than 0.9mm dia or securing with clips quality conforming complete and all as specified and directed.

All as per item No 50 above but 8 mm dia and over up to 10 mm dia as in stirrups,spacers,binders etc complete all as specified and as directed.

S&F Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc.. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165 (Brackets over 10 kg each to be measured under 'Structural Steel'

Material & Labour for applying Two or more coats on old of 100% Premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm over old surfaces complete all as specifed and directed.

Dismantling structural steel work in water staging , including doors, gates but excluding framed truss etc complete all as specified.

S&F Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, with riveted, bolted or welded attachment.FE 290(Gde-165) complete all as specifed and directed.

S&F Compound girders and stanchions, lattice girders, aerial masts, staging for water tanks and the like including caps, bases, splices etc. built up from two or more beam or channel sections or angles with plates, including all lattice bars stiffeners, gusset plates, etc.FE 290(Gde-165) complete all as specifed and directed.

M&L for preparing new steel surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paints over and incl a coat of red oxide complete all as specified and directd.

S&F 4.8mm thick sheet glass, ordinary quality and glazing with necessary aluminum clips/ fitting etc in squares n.exc 0.5 Sqm in each pane complete all as specified and directed Note for all items :- The work in certain bldgs is to be carried out in high storeyed buildings. The rates quoted shall be inclusive of necessary scaffolding and safety measures of labours engaged in the work as per latest labour laws & regulations.

Refrigeration and Air Conditioning (a)AC PLANT ROOM WATER-COOLED CENTRIFUGAL TYPE CHILLER UNIT (2W + 1S) Supply, installation, testing and commissioning of factory designed, pre-fabricated, floor-mounted, AHRI certified, centrifugal type water-cooled chiller machine of actual capacity ≥ 550 TR, complete with one semi-hermatic centrifugal type compressor, single refrigerant circuit for condenser and evaporator, two lubrication systems and automatic stepless capacity control, water-cooled S/T type condenser, ASME stamped / IS 2825: 1969 compliant S/T horizontal flooded type evaporator with carbon steel shell and seamless copper tubes with elastomeric insulation, refrigerant gas cooled squirrel cage induction motor(s) of semi-hermetic type with internal thermal overload protection devices embedded in the winding of each phase, unit mounted Variable Frequency Drive(s) (VFD) to automatically regulate each compressor speed in response to cooling load and compressor pressure lift, etc. The chiller package shall be supplied complete with necessary drive arrangement, common base-frame, interconnected copper refrigerant piping along with elastomeric insulation, fittings, valves, expansion valves and accessories to interconnect compressor, condenser, evaporator and expansion valve, 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 connection ends and ozone friendly, CFC-HCFC free refrigerant complete all as specified and directed by the engineer-in-charge.

Make: Carrier, Daikin, Hitachi, Mitsubishi, Trane, York The chiller shall conform to the following requirements / specifications: [i] Chilled water inlet/outlet temperature: 12/5 ⁰C [ii] Evaporator fouling factor: 0.00010 ⁰Fft²hr/Btu [iii] Evaporator side pressure drop: 9 m of H2O (maximum) [iv] Condenser water inlet/outlet temperature: 32.5/36.5 ⁰C [v] Condenser fouling factor: 0.00025 ⁰Fft²hr/Btu [vi] Condenser side pressure drop: 10 m of H2O (maximum) [vii] Minimum COP @ 100% load: 6.5 at AHRI condition [viii] Minimum IPLV : 0.395 kW per ton at AHRI condition [x] Refrigerant (Ozone friendly type): HFC-134a or HFC/HFO-513A or HFC/HFO-514A or R-1233zd [xi] Test standard: ARI 550 / 590

CHILLED WATER CIRCULATION PUMP (2W + 2S) Supply, installation, testing & commissioning of horizontal split-casing two stage single suction pump having flowrate ≥ 65.7 litre/s @ 48 mWC head for chilled water circulation conforming to IS 6595 (Part 2): 1993 and having horizontal axially split volute type CI delivery casing, suction and discharge nozzles and supporting feet cast integral with lower half casing, enclosed balanced bronze impeller, high tensile steel (CS) shaft supported by antifriction bearing and protected by bronze shaft sleeves in stuffing box area sealed by mechanical seal, deep groove ball / roller bearing, standard drilling flanges etc. suitable for direct coupling with TEFC squirrel cage induction motor suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply and conforming to IS 12615: 2018, base plate, mounting channel frame, accessories and fittings, viz. pressure gauge, drain, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting and foundation as per manufacturer's recommendation duly insulated with elastomeric thermal insulation complete all as specified and directed by the engineer-in-charge. Make: CRI, Grundfos, Kirloskar, Wilo, Xylem NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. [ii] Pressure gauges, thermometers and drains shall be measured and paid for saperately. [iii] The quoted shall be inclusive of testing and commissioning of pump.

CONDENSER WATER PUMP (2W + 2S) Supply, installation, testing and commissioning of horizontal split-casing single stage single suction pump having flowrate ≥ 134.7 litre/s @ 27 mWC head for condenser water conforming to IS 6595 (Part 2): 1993 and having horizontal axially split volute type CI delivery casing, suction and discharge nozzles and supporting feet cast integral with lower half casing, enclosed balanced bronze impeller, high tensile steel (CS) shaft supported by antifriction bearing and protected by bronze shaft sleeves in stuffing box area sealed by mechanical seal, deep groove ball / roller bearing, standard drilling flanges etc. suitable for direct coupling with TEFC squirrel cage induction motor suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply and conforming to IS 12615: 2018, base plate, mounting channel frame, accessories and fittings, viz. pressure gauge, drain, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting and foundation as per manufacturer's recommendation and other necessary accessories complete all as specified and directed by the engineer-in-charge. Make: CRI, Grundfos, Kirloskar, Wilo, Xylem NOTES: [i] Necessary civil work viz. foundation for placement of pump and pump accessories shall be covered in the scope of work. [ii] Pressure gauges, thermometers and drains shall be measured and paid for separately [iii] The quoted shall be inclusive of testing and commissioning of pump.

EXPANSION TANK FOR CHILLED WATER CIRCUIT S & F of ASME pre-charged vertical closed bladder expansion tank of 1000 litre size, stamped for 125 psi (862 kPa) working pressure having carbon steel shell, conforming to IS 2825: 1969, coated (inside & outside) with anti-corrosion paint with a heavy-duty butyl replaceable bladder, ring base, lifting rings, and 20 mm NPT piping connection protected by strainer at the water inlet, air charging valve connection to facilitate adjusting pre-charge pressure to meet actual system conditions complete with accessories as specified and directed by the engineer-in-charge. Make: Anergy, Emerald, Xylem

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 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 by the engineer-in-charge. Make: ABB, L & T, Schneider, Siemens The HVAC Panel shall comprise of the following: Busbar Chamber: [i] 01 Set (3L + N) of copper busbar of rated capacity 3200 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection

[iii] Variable Frequency Drive (VFD) of 55 kW rating with IP 55 enclosures and mains disconnect switch and comprising of the following complete with accessories of ABB, Danfoss, Fuji, L & T or Schneider make- 04 Nos. (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. [iv] 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 - 04 Nos. [for condenser water pump] [v] Variable Frequency Drive (VFD) of 75 kW rating with IP 55 enclosures and mains disconnect switch and comprising of the following complete with accessories of ABB, Danfoss, Fuji, L & T or Schneider make- 04 Nos. (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.

ELECTRIC CABLE M & L for 1.1 kV grade copper conductor, XLPE insulated unarmoured 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 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 the engineer-in-charge. Make: Finolex, Havells, Polycab, RR Kabel,KEI wires

4 core, 185 mm² (for chiller)

3 core, 70 mm² (for condenser water pump)

3 core, 35 mm² (for chilled water pump)

3 core, 10 mm² (for cooling tower fan motor)

CABLE TRAY S & F of perforated hot dipped galvanized iron cable tray 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 complete all as specified and directed by the engineer-in-charge. Make: Aravali Engineers, Elcon, Grent

300 mm X 50 mm X 1.6 mm

150 mm X 50 mm X 1.6 mm

100 mm X 50 mm X 1.6 mm

EARTHING M & L for earthing complete with copper earth plate electrode of 60 cm X 60 cm X 3.15 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to copper strip of size 20 mm x 3 mm as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. complete as specified and directed by the engineer-in-charge. (for chiller)

M & L for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20 mm X 3 mm copper strip complete as specified and directed by the engineer-in-charge.

M & L for earthing complete with galvanized steel earth plate electrode of 60 cm x 60 cm x 6 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI wire of 4.0 mm diameter as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. complete as specified and directed by the engineer-in-charge. (for water circulation pumps & cooling tower)

M & L for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required GI wire of 4.0 mm diameter complete as specified and directed by the engineer-in-charge.

M & L for earthing complete with GI earth plate electrode of 60 cm X 60 cm X 6 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip of size 32 mm X 6 mm as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc.complete as specified and directed by the engineer-in-charge. (for HVAC Panel, AHU Panels)

M & L for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required GI strip of size 32 mm x 6 mm complete as specified and directed by the engineer-in-charge.

(b) CONDENSER WATER PIPING MS CLASS 'C' PIPE M & L for condenser 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 complete all as specified and directed by the engineer-in-charge. Make: BST, Jindal Star, MSL, SAIL, Surya, Tata [i] The pipe size 150 mm NB & below shall be MS Class 'C' 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'-TYPE STRAINER M & L for PN 1.6 rated 350 mm NB 'Y'- type strainer, certified for 300 psig Hyd. body test pressure and 150 psig working test pressure, having cast iron (CI) Gr. FG 200 body & cover conforming to IS 210: 2009 , AISI304 plug, AISI304 stainless steel screen trim having 1.2 mm perforation, bolted cover, compressed asbestos fiber gasket, flanges as per BS 10 Table F undrilled, complete with necessary accessories all as specified and directed by the engineer-in-charge. Make: Adavance, Emerald, Honeywell, Leader, Rapid Cool, Sant

WAFER TYPE BUTTERFLY VALVE M & L for PN 1.6 rated wafer type, short / medium pattern cast iron (CI) butterfly valve, conforming to IS 13095: 2020, certified for body test pressure 2.4 MPa Hyd. and seat test pressure 1.6 MPa, having CI Gr. FG200 body conforming to IS 210: 2009, seat having EPDM / nitrile rubber lining, SG iron / ductile cast iron disc, SS AISI-410 stem, flanged end connection, conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 with necessary accessories complete all as specified and directed by the engineer-in-charge. Make: Advance, Audco, Honeywell, Leader, Sant

REFLUX (NON-RETURN) VALVE M & L for PN 1.6 rated straight type 350 mm NB cast iron (CI) reflux (non-return) valve, conforming to IS 5312-2: 1986, having CI Gr. FG200 body conforming to IS 210: 2009, bolted cover, integral / renewable seat, renewable disc, gunmetal trim with rubber seat ring, flanged end connection, conforming to IS 1538: 1993 with necessary accessories complete all as specified and directed by the engineer-in-charge. Make: Advance, Audco, Honeywell

MANUAL BALANCING VALVE M & L for PN 1.6 rated precise balancing double regulation type cast iron (CI) balancing valve having CI Gr. FG200 body, EPDM / nitrile seal, 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 complete all as specified and directed by the engineer-in-charge. Make: Advance, Audco, Honeywell, Leader, Sant

(b) CHILLED WATER PIPING MS ERW CLASS- C PIPE WITH INSULATION M & L 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: BST, Jindal Star, MSL, SAIL, Surya, Tata 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.

Y- STRAINER M & L for PN 1.6 rated 'Y'- type strainer, certified for 300 psig Hyd. body test pressure and 150 psig working test pressure, having cast iron (CI) Gr. FG 200 body & cover conforming to IS 210: 2009, AISI304 plug, AISI304 stainless steel screen trim having 1.2 mm perforation, bolted cover, compressed asbestos fiber gasket, flanges as per BS 10 Table F undrilled, duly insulated with elastomeric thermal insulation complete with necessary accessories all as specified and directed by the engineer-in-charge. Make: Advance, Emerald, Honeywell, Leader, Rapid Cool, Sant NOTES: [i] Insulation shall be measured and paid for separately.

3-WAY DIVERTING GLOBE VALVE Supply, installation, testing and commissioning of 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.

M & L for CL#125 two-piece design 32 mm NB cast iron (CI) straight pattern ball valve, conforming to IS 9890: 1981 and having FG 200 cast iron body conforming to IS 210: 2009, AISI 410 stem, stainless steel AISI 304 ball, renewable PTFE seat & gland packing and screwed female BSP parallel threaded ends conforming to BS 21, duly insulated complete all as specified and directed by the engineer-in-charge. Make: Advance, Audco, Honeywell, Leader, Sant

S & F of 32 mm thick 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: Armacell, K Flex, Kaimann Flex, Vidoflex

DRAIN & INSTRUMENTATION PIPING MS ERW CLASS- C PIPE M & L for 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 complete all as specified and directed by the engineer-in-charge. Make: BST, Jindal Star, MSL, SAIL, Surya, Tata 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 M & L for CL#125 two-piece design cast iron (CI) straight pattern ball valve, conforming to IS 9890: 1981 and having FG 200 cast iron body conforming to IS 210: 2009, AISI 410 stem, stainless steel AISI 304 ball, renewable PTFE seat & gland packing and screwed female BSP parallel threaded ends conforming to BS 21 with necessary accessories all complete as specified and directed by the engineer-in-charge. Make: Advance, Audco, Honeywell, Leader, Sant

PIPING ACCESSORIES AIR VENT VALVE 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 all complete as specified and directed by the engineer-in-charge. ake: Emerald, Rapid Cool, Sant

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: FIEBIG, General, H GURU, TSI, WIKA, WAREE

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: Make: FIEBIG, General, H GURU, WIKA, WAREE

(f) AIR DISTRIBUTION DOUBLE SKIN AIR HANDLING UNIT Supply, installation, testing and commissioning of double-skin type horizontal, ceiling suspended, side discharge, air handling unit of 12000 ft3/min capacity @ 500 Pa static pressure 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, 25 mm thick double skin panel with pressure injected CFC / HCFC free PUF having 'k' value ≤ 0.035 W/°C/m & density ≥ 40 kg/m³, energy efficient plug fan(s) with backward curved impeller 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 8 rows deep chilled water coil(s) with anti-corrosion aluminium fins, high efficiency (IE3) TEFC squirrel cage induction motor of suitable rating, PVC / nylon hinges & handles, view port & 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: Carrier, Citizen, Flakt Group, Trane, Vayhan, Zeco,VTS,EDGETECH The AHU shall comprise of the following: [a] Dynamically balanced SISW backward curved plug fan with AMCA certified blower [b] 4 Pole, TEFC, high efficiency (IE3), squirrel cage induction motor, conforming to IS 12615: 2018, having BHP rating 20% higher than the peak capacity with VFD suitable for 3-Phase, 415 V ±10%, 50 Hz AC power supply

[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] 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] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalised construction with incomer and outgoing feeders for AHU motor, 3-way valve actuator motor, fire damper actuator motor, heater bank etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc The AHU Panel shall comprise of the following: (i) Busbar Chamber (1) 01 Set (3L + N) of copper busbar of rated capacity 100 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection (ii) Incoming (1) 63 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. (2) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. (3) LED phase indicators (Red, Yellow, Blue)- 01 Set

Supply, installation, testing and commissioning of double-skin type horizontal, ceiling suspended, side discharge, air handling unit of 10000 ft3/min capacity @ 500 Pa static pressure 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, 25 mm thick double skin panel with pressure injected CFC / HCFC free PUF having 'k' value ≤ 0.035 W/°C/m & density ≥ 40 kg/m³, energy efficient plug fan(s) with backward curved impeller 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 8 rows deep chilled water coil(s) with anti-corrosion aluminium fins, high efficiency (IE3) TEFC squirrel cage induction motor of suitable rating, PVC / nylon hinges & handles, view port & 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: Carrier, Citizen, Flakt Group, Trane, Vayhan, Zeco,VTS,EDGETECH The AHU shall comprise of the following: [a] Dynamically balanced SISW backward curved plug fan with AMCA certified blower [b] 4 Pole, TEFC, high efficiency (IE3), squirrel cage induction motor, conforming to IS 12615: 2018, having BHP rating 20% higher than the peak capacity with VFD suitable for 3-Phase, 415 V ±10%, 50 Hz AC power supply

[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] 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] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalised construction with incomer and outgoing feeders for AHU motor, 3-way valve actuator motor, fire damper actuator motor, heater bank etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc. The AHU Panel shall comprise of the following:

(i) Busbar Chamber (1) 01 Set (3L + N) of copper busbar of rated capacity 100 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection (ii) Incoming (1) 63 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. (2) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. (3) LED phase indicators (Red, Yellow, Blue)- 01 Set (iii) Outgoing (1) 32 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. [for AHU fan motor drive] (2) 6 A, 230 V, 50 Hz, SPN MCB (C- curve)- 02 Nos. [for diverting globe valve & fire damper actuator motors] (3) LED phase indicators (Red, Yellow, Blue)- 01 Set (4) Cl 1.0 digital ammeter of suitable capacity with suitable CT- 01 Nos. (iv) VFD Variable Frequency Drive (VFD) of 5.5 kW rating 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. (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).

Supply, installation, testing and commissioning of double-skin type horizontal, ceiling suspended, side discharge, air handling unit of 9000 ft3/min capacity @ 500 Pa static pressure 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, 25 mm thick double skin panel with pressure injected CFC / HCFC free PUF having 'k' value ≤ 0.035 W/°C/m & density ≥ 40 kg/m³, energy efficient plug fan(s) with backward curved impeller 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 8 rows deep chilled water coil(s) with anti-corrosion aluminium fins, high efficiency (IE3) TEFC squirrel cage induction motor of suitable rating, PVC / nylon hinges & handles, view port & 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: Carrier, Citizen, Flakt Group, Trane, Vayhan, Zeco,VTS,EDGETECH, The AHU shall comprise of the following: [a] Dynamically balanced SISW backward curved plug fan with AMCA certified blower [b] 4 Pole, TEFC, high efficiency (IE3), squirrel cage induction motor, conforming to IS 12615: 2018, having BHP rating 20% higher than the peak capacity with VFD suitable for 3-Phase, 415 V ±10%, 50 Hz AC power supply

[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] 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] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalised construction with incomer and outgoing feeders for AHU motor, 3-way valve actuator motor, fire damper actuator motor, heater bank etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc. The AHU Panel shall comprise of the following: (i) Busbar Chamber (1) 01 Set (3L + N) of copper busbar of rated capacity 100 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection (ii) Incoming (1) 63 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. . (2) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos (3) LED phase indicators (Red, Yellow, Blue)- 01 Set

Supply, installation, testing and commissioning of double-skin type horizontal, ceiling suspended, side discharge, air handling unit of 8000 ft3/min capacity @ 500 Pa static pressure 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, 25 mm thick double skin panel with pressure injected CFC / HCFC free PUF having 'k' value ≤ 0.035 W/°C/m & density ≥ 40 kg/m³, energy efficient plug fan(s) with backward curved impeller 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 8 rows deep chilled water coil(s) with anti-corrosion aluminium fins, high efficiency (IE3) TEFC squirrel cage induction motor of suitable rating, PVC / nylon hinges & handles, view port & 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: Carrier, Citizen, Flakt Group, Trane, Vayhan, Zeco,VTS,EDGETECH The AHU shall comprise of the following: [a] Dynamically balanced SISW backward curved plug fan with AMCA certified blower [b] 4 Pole, TEFC, high efficiency (IE3), squirrel cage induction motor, conforming to IS 12615: 2018, having BHP rating 20% higher than the peak capacity with VFD suitable for 3-Phase, 415 V ±10%, 50 Hz AC power supply

[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] 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] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalised construction with incomer and outgoing feeders for AHU motor, 3-way valve actuator motor, fire damper actuator motor, heater bank etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc. The AHU Panel shall comprise of the following: (i) Busbar Chamber (1) 01 Set (3L + N) of copper busbar of rated capacity 100 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection

(ii) Incoming (1) 63 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. (2) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. (3) LED phase indicators (Red, Yellow, Blue)- 01 Set (iii) Outgoing:(1) 32 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. [for AHU fan motor drive] (2) 6 A, 230 V, 50 Hz, SPN MCB (C- curve)- 02 Nos. [for diverting globe valve & fire damper actuator motors] (3) LED phase indicators (Red, Yellow, Blue)- 01 Set (4) Cl 1.0 digital ammeter of suitable capacity with suitable CT- 01 Nos. (iv) VFD Variable Frequency Drive (VFD) of 5.5 kW rating 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. (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 the AHUs. (4) integral graphical keypad.

Supply, installation, testing and commissioning of double-skin type horizontal, ceiling suspended, side discharge, air handling unit of 7000 ft3/min capacity @ 500 Pa static pressure 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, 25 mm thick double skin panel with pressure injected CFC / HCFC free PUF having 'k' value ≤ 0.035 W/°C/m & density ≥ 40 kg/m³, energy efficient plug fan(s) with backward curved impeller 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 8 rows deep chilled water coil(s) with anti-corrosion aluminium fins, high efficiency (IE3) TEFC squirrel cage induction motor of suitable rating, PVC / nylon hinges & handles, view port & 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: Carrier, Citizen, Flakt Group, Trane, Vayhan, Zeco,VTS,EDGETECH The AHU shall comprise of the following: [a] Dynamically balanced SISW backward curved plug fan with AMCA certified blower [b] 4 Pole, TEFC, high efficiency (IE3), squirrel cage induction motor, conforming to IS 12615: 2018, having BHP rating 20% higher than the peak capacity with VFD suitable for 3-Phase, 415 V ±10%, 50 Hz AC power supply [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] 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] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalised construction with incomer and outgoing feeders for AHU motor, 3-way valve actuator motor, fire damper actuator motor, heater bank etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc The AHU Panel shall comprise of the following: (i) Busbar Chamber (1) 01 Set (3L + N) of copper busbar of rated capacity 100 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection (ii) Incoming:(1) 63 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. (2) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. (3) LED phase indicators (Red, Yellow, Blue)- 01 Set (iii) Outgoing:(1) 32 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. [for AHU fan motor drive] (2) 6 A, 230 V, 50 Hz, SPN MCB (C- curve)- 02 Nos. [for diverting globe valve & fire damper actuator motors] (3) LED phase indicators (Red, Yellow, Blue)- 01 Set (4) Cl 1.0 digital ammeter of suitable capacity with suitable CT- 01 Nos.

Supply, installation, testing and commissioning of double-skin type horizontal, ceiling suspended, side discharge, air handling unit of 6000 ft3/min capacity @ 500 Pa static pressure 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, 25 mm thick double skin panel with pressure injected CFC / HCFC free PUF having 'k' value ≤ 0.035 W/°C/m & density ≥ 40 kg/m³, energy efficient plug fan(s) with backward curved impeller 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 8 rows deep chilled water coil(s) with anti-corrosion aluminium fins, high efficiency (IE3) TEFC squirrel cage induction motor of suitable rating, PVC / nylon hinges & handles, view port & 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: Carrier, Citizen, Flakt Group, Trane, Vayhan, Zeco,VTS,EDGETECH The AHU shall comprise of the following: [a] Dynamically balanced SISW backward curved plug fan with AMCA certified blower [b] 4 Pole, TEFC, high efficiency (IE3), squirrel cage induction motor, conforming to IS 12615: 2018, having BHP rating 20% higher than the peak capacity with VFD suitable for 3-Phase, 415 V ±10%, 50 Hz AC power supply

[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] 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] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalised construction with incomer and outgoing feeders for AHU motor, 3-way valve actuator motor, fire damper actuator motor, heater bank etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc.

The AHU Panel shall comprise of the following: (i) Busbar Chamber (1) 01 Set (3L + N) of copper busbar of rated capacity 100 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection (ii) Incoming (1) 63 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. (2) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. (3) LED phase indicators (Red, Yellow, Blue)- 01 Set (iii) Outgoing:(1) 32 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. [for AHU fan motor drive] (2) 6 A, 230 V, 50 Hz, SPN MCB (C- curve)- 02 Nos. [for diverting globe valve & fire damper actuator motors] (3) LED phase indicators (Red, Yellow, Blue)- 01 Set (4) Cl 1.0 digital ammeter of suitable capacity with suitable CT- 01 Nos. (iv) Variable Frequency Drive (VFD) of 3.7 kW rating 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. (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)

Supply, installation, testing and commissioning of double-skin type horizontal, ceiling suspended, side discharge, air handling unit of 5000 ft3/min capacity @ 500 Pa static pressure 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, 25 mm thick double skin panel with pressure injected CFC / HCFC free PUF having 'k' value ≤ 0.035 W/°C/m & density ≥ 40 kg/m³, energy efficient plug fan(s) with backward curved impeller 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 8 rows deep chilled water coil(s) with anti-corrosion aluminium fins, high efficiency (IE3) TEFC squirrel cage induction motor of suitable rating, PVC / nylon hinges & handles, view port & 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: Carrier, Citizen, Flakt Group, Trane, Vayhan, Zeco,VTS,EDGETECH The AHU shall comprise of the following: [a] Dynamically balanced SISW backward curved plug fan with AMCA certified blower [b] 4 Pole, TEFC, high efficiency (IE3), squirrel cage induction motor, conforming to IS 12615: 2018, having BHP rating 20% higher than the peak capacity with VFD suitable for 3-Phase, 415 V ±10%, 50 Hz AC power supply

[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] 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 The AHU Panel shall comprise of the following: (i) Busbar Chamber (1) 01 Set (3L + N) of copper busbar of rated capacity 100 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection (ii) Incoming (1) 63 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. (2) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. (3) LED phase indicators (Red, Yellow, Blue)- 01 Set

Supply, installation, testing and commissioning of double-skin type horizontal, ceiling suspended, side discharge, air handling unit of 4000 ft3/min capacity @ 500 Pa static pressure 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, 25 mm thick double skin panel with pressure injected CFC / HCFC free PUF having 'k' value ≤ 0.035 W/°C/m & density ≥ 40 kg/m³, energy efficient plug fan(s) with backward curved impeller 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 8 rows deep chilled water coil(s) with anti-corrosion aluminium fins, high efficiency (IE3) TEFC squirrel cage induction motor of suitable rating, PVC / nylon hinges & handles, view port & 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: Carrier, Citizen, Flakt Group, Trane, Vayhan, Zeco,VTS,EDGETECH The AHU shall comprise of the following: [a] Dynamically balanced SISW backward curved plug fan with AMCA certified blower [b] 4 Pole, TEFC, high efficiency (IE3), squirrel cage induction motor, conforming to IS 12615: 2018, having BHP rating 20% higher than the peak capacity with VFD suitable for 3-Phase, 415 V ±10%, 50 Hz AC power supply

[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] 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] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalised construction with incomer and outgoing feeders for AHU motor, 3-way valve actuator motor, fire damper actuator motor, heater bank etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc. The AHU Panel shall comprise of the following: (i) Busbar Chamber (1) 01 Set (3L + N) of copper busbar of rated capacity 100 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection (ii) Incoming (1) 63 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. (2) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. (3) LED phase indicators (Red, Yellow, Blue)- 01 Set

Supply, installation, testing and commissioning of double-skin type horizontal, ceiling suspended, side discharge, air handling unit of 3000 ft3/min capacity @ 500 Pa static pressure 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, 25 mm thick double skin panel with pressure injected CFC / HCFC free PUF having 'k' value ≤ 0.035 W/°C/m & density ≥ 40 kg/m³, energy efficient plug fan(s) with backward curved impeller 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 8 rows deep chilled water coil(s) with anti-corrosion aluminium fins, high efficiency (IE3) TEFC squirrel cage induction motor of suitable rating, PVC / nylon hinges & handles, view port & 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: Carrier, Citizen, Flakt Group, Trane, Vayhan, Zeco,VTS,EDGETECH The AHU shall comprise of the following: [a] Dynamically balanced SISW backward curved plug fan with AMCA certified blower [b] 4 Pole, TEFC, high efficiency (IE3), squirrel cage induction motor, conforming to IS 12615: 2018, having BHP rating 20% higher than the peak capacity with VFD suitable for 3-Phase, 415 V ±10%, 50 Hz AC power supply [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] 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] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalised construction with incomer and outgoing feeders for AHU motor, 3-way valve actuator motor, fire damper actuator motor, heater bank etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc. The AHU Panel shall comprise of the following: (i) Busbar Chamber (1) 01 Set (3L + N) of copper busbar of rated capacity 100 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection (ii) Incoming (1) 63 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. (2) Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. (3) LED phase indicators (Red, Yellow, Blue)- 01 Set (iii) Outgoing (1) 20 A, 415 V, 50 Hz, FP MCB (C- curve)- 01 Nos. [for AHU fan motor drive] (2) 6 A, 230 V, 50 Hz, SPN MCB (C- curve)- 02 Nos. [for diverting globe valve & fire damper actuator motors]

FIRE DAMPER M & L for CBRI certified 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 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 by the engineer-in-charge. The fire dampers shall meet the following criteriaon: [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.

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

GALVANISED IRON SHEET DUCTING Supply, installation, testing & balancing and commissioning of factory fabricated Galvanized iron round / rectangular low pressure ducting of following sheet thickness having zink coating of 180 g/sqm 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 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.

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 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

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, 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 by the engineer-in-charge. Make: Air Flow, Caryaire, Dynacraft, Ravistar

225 mm X 225 mm rectangular neck 4-way discharge ceiling diffuser having neck velocity ≤ 600 ft/min, throw ≥ 8' @ 150 ft/min velocity NC ≤ 21 for air flow ≥ 280 ft3/min

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

375 mm X 375 mm rectangular neck 4-way discharge ceiling diffuser having neck velocity ≤ 600 ft/min, throw ≥ 15' @ 150 ft/min velocity NC ≤ 25 for air flow ≥ 830 ft3/min

450 mm X 450 mm rectangular neck 4-way discharge ceiling diffuser having neck velocity ≤ 600 ft/min, throw ≥ 19' @ 150 ft/min velocity NC ≤ 26 for air flow ≥ 1220 ft3/min

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

375 mm X 375 mm rectangular neck 4-way discharge ceiling diffuser having neck velocity ≤ 600 ft/min, throw ≥ 15' @ 150 ft/min velocity NC ≤ 25 for air flow ≥ 830 ft3/min

450 mm X 450 mm rectangular neck 4-way discharge ceiling diffuser having neck velocity ≤ 600 ft/min, throw ≥ 19' @ 150 ft/min velocity NC ≤ 26 for air flow ≥ 1220 ft3/min

M & L for return grille having welded steel border with aerodynamically shaped extruded aluminum 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 48" X 08"

Return grille of nominal duct size 24" X 14"

Return grille of nominal duct size 24" X 12"

Return grille of nominal duct size 24" X 10"

Return grille of nominal duct size 22" X 10"

Return grille of nominal duct size 18" X 12"

Return grille of nominal duct size 18" X 10"

Return grille of nominal duct size 18" X 08"

Return grille of nominal duct size 18" X 06"

Return grille of nominal duct size 14" X 06"

Return grille of nominal duct size 12" X 10"

Return grille of nominal duct size 12" X 08"

Return grille of nominal duct size 10" X 08"

Return grille of nominal duct size 08" X 08"

Return grille of nominal duct size 08" X 06"

THERMAL INSULATION S & F of black flexible closed-cell 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. Make: Armacell, K Flex, Kaimann Flex, Vidoflex

19 mm thick thermal insulation (for supply air ducting)

13 mm thick thermal insulation ( for return air ducting)

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: Armacell, K Flex, Kaimann Flex, Vidoflex

PRESSURE SWITCH Supply, installation, testing and commissioning of differential pressure sensor (pressure switch) suitable for pressure range 0-6 bar and conforming to IEC/EN 60730-1 for differential pressure measurement in chilled water circuit having IP 65 rated stainless-steel housing and EPDM housing seal, including necessary wiring, etc. complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss, Schneider, Siemens The differential pressure sensor (pressure switch) shall conform to the following technical specifications: [i] Nominal Voltage: AC / DC 24 V [ii] Power Consumption AC / DC: 0.9 / 0.37 VA [iii] Voltage Output: 1 X 0…10 V. min. load 2kΩ [iv] Mechanical Connection: Pressure Connector G ¼” [v] Response Time: 740 ms [vi] Measuring Values: Differential Pressure [vii] Accuracy Pressure: < +1% of measuring range (@ -5…75 ºC) [viii] Long-term Stability: ±2.5% / 10 yrs.

FLOWMETER Supply, installation, testing and commissioning of insertion type flow sensor with a non-magnetic, spinning impeller (paddle wheel) as the only moving part) with sensor sleeve of brass (or SS316) with PPS housing, glassfilled nylon or Tefzel impeller with a UHMPWE or Tefzel sleeve bearing, tungsten carbide shaft, 2” NPT adapter having two ethylene-propylene O-Rings for installation into any commercially available weld-on fitting or pipe saddle, all electronics epoxy-sealed with a 2-conductor shielded cable extending out through a ½”conduit connection on top of the sensor, etc. operating in line pressures up to 400 psi and liquid temperature up to 220 °F and flows of 1 fps to 30 fps in pipes of 3” diameter up to 40” diameter with linearity of +1% and repeatability of +1% complete all as specified and directed by the engineer-in-charge. Make: Anergy, Belimo, Danfoss

M & L for thermostat controlled 375 mm X 375 mm rectangular neck 4-way discharge VAV ceiling diffuser having neck velocity ≤ 600 ft3/min, throw ≥ 15' @ 150 ft/min velocity NC ≤ 25 for air flow ≥ 830 ft3/min 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, wall-mounted thermostat including 24 VAC floating point actuator along with necessary wiring, anodic acrylic paint finish, wall-mounted thermostatic control etc. and tested as per ANSI / ASHRAE standard 70-1991 complete all as specified and directed by the engineer-in-charge. Make: Air Flow, Caryaire, Dynacraft, Ravistar, Ruskin-Titus, System Air

(g) DISMANTLING Dismantling of old chiller package including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Dismantling of old cooling towers including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge

Dismantling of old air handling units (AHUs) including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Dismantling of old water circulation pumps including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Dismantling of old chilled water piping inclusive of valves, connections, etc., and including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Dismantling of old ducting inclusive of air terminals, etc. and including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Dismantling of old window / split air conditioners along with outdoor units & piping including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Dismantling split air conditioners along with outdoor units & piping and shifting to other location within 1000 meters lead complete all as specified and directed by engineer-in-charge.

(H) CIVIL WORKS Excavation in trenches / foundation not exceeding 1.5 m wide and not exceeding 1.50 m in depth for poles, laying of cables, etc. and getting out in soft / loose soil all complete as specified and directed by the engineer-in-charge.

Excavating in trenches in hard/dense soil, not exceeding 1.5 m wide and exceeding 1.5 m depth and not exceeding 3.0 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 sq m on plan and not exceeding 1.5 m in depth and getting out all as specified and directed by the engineer-in-charge.

Returning filling including spreading leveling watering and well ramming in layers not exceeding 25 cm in soft/loose soil all complete as specified and directed by the engineer-in-charge.

Removing excavated material exceeding 1.50 km but not exceeding 5 km and depositing where directed in soft/loose soil all complete as specified and directed by the engineer-in-charge.

M & L for dry sand in cable trenches before and after the cables are laid in sand cushioning to cables all complete as specified and directed by the engineer-in-charge.

M & L for cement concrete 1:3:6 type C-2 using 40 mm graded stone aggregate in foundations of streetlight poles, filling and mass concrete all as specified and directed by the engineer-in-charge.

M & L for cement concrete 1:3:6 type C-1 using 20 mm graded stone aggregate in copings all around the streetlight poles all as specified and directed by the engineer-in-charge.

M & L for 1.1 kV grade, 3 core, 4 mm² copper conductor, XLPE insulated unarmoured 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 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 the engineer-in-charge. Make: RR Kabel, Polycab, Havells,KEI wires

M & L for earthing complete with GI earth plate electrode of 60 cm x 60 cm x 6 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI wire of diameter 4.0 mm as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 15 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. complete all as specified and directed by engineer-in-charge.

M & L for 4.0 mm diameter GI wire as earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. complete all as specified and directed by engineer-in-charge.

M & L for tubes, 'medium grade', galvanised, with all fittings laid in trenches complete all as specified and directed by engineer-in-charge. Make: Jindal Star, Tata, MSL, Surya

M & L for PN 1.6 rated sluice valve, conforming to IS 14846: 2000, having cast iron body, wedge & dome, SS spindle, Leaded Tin Bronze stem nut, flange drilling standard end connection and accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar, Leader, Venus

M & L for PN 1.6 rated 150 mm NB swing check type reflux (non-return) valve, conforming to IS 5312 (Part 1): 2004, having cast iron body, door & diaphragm, leaded tin bronze seat rings, SS hinge pin, flange drilling standard end connection and accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar, Leader, Venus

M & L for PN 1.6 rated 80 mm NB swing type foot valve cum strainer, conforming to IS 4038: 1986, suitable for vertical installation and having cast iron body, guide & strainer, soft grade iron plunger, SS spring, bronze seat ring, CS fasteners, flange drilling standard end connection and accessories complete all as specified and directed by engineer-in-charge. Make: Honeywell, Kirloskar, Normex, Flomatic

M & L for cement concrete 1:3:6 type C-2 using 40 mm graded stone aggregate in foundations of streetlight poles, filling and mass concrete complete all as specified and directed.

Taking down copper/ aluminum point wiring (light, fan, socket aor power) complete including fixture and fitting such as switches, ceiling rose, pendant, regulators sockets etc

Taking down light fittings including fixtures and fitting etc

Supply, Installation, testing and commissioning of ceiling concealed type Fan Coil Units with 3 speed AC fan motor (min 2 mm ESP ) , having coil section, blower section, filter section, with insulated extended drain tray, supports, copper piping connections, etc. of the following capacities. Fire retardant canvass connections with GI . powder coated finished angle flanges on both sides, etc. Extended tray should accommodate all ball valves with & without strainer & 2-way on/off control valves, etc. as per the specifications and approved drawings.All fan coil units shall be suitable for 220+/-6% volts, 50 cycles, single phase power supply. Unit should be with complete valve package (ball valves with & without strainer & 2-way on/off control valves, etc) from FCU manufacturer itself. Fan Coil units shall be of following capacity. Make – Caryair , Bhatoria , Midea , Trane , Carrier

1.5 TR - 600 CFM

2.0 TR - 800 CFM

2.5 TR -1000 CFM

One light point controlled by one switch, with cables 1.5 mm² size

One light point controlled by two 2-way switches, with cables 1.5 mm² size

S & F modular type 6 A 1-way SP switch conforming to IS 3854: 2012 with finger-proof terminal complete all as specified in IS 732: 2019 and directed by the engineer-in-charge.

S & F modular type 6 A 2-way SP switch conforming to IS 3854: 2012 with finger-proof terminal complete all as specified in IS 732: 2019 and directed by the engineer-in-charge.

S & F 3 pin, 6 A, 250 V ceiling rose conforming to IS 371: 1999 and having terminal capacity 3 X 1.5 mm² with IK 04 and IP 20 protection complete all as specified in IS 732: 2019 and directed by the engineer-in-charge.

S & F triple pole & neutral double door, 4 way, modular type, double door, metallic distribution board conforming to IEC 61439-3, suitable for flush / surface mounting with provision for FP RCCB / RCBO / Isolator / MCB as incomer and SP/TP MCBs as outgoing, reversible metal door, 100 A copper busbar, fully shrouded neutral bar, earth bar, wire set & cable ties for cable management, pre fitted masking sheet, etc. having IK 09 & IP 43 protection complete all as specified in IS 732: 2019 and directed by the engineer-in-charge. Make: Schneider, Legrand, L & T

S & F single pole & neutral, modular type, double door, 4 way, metallic distribution board conforming to IEC 61439-3, suitable for flush / surface mounting with provision for DP RCCB / RCBO / Isolator / MCB as incomer and SP MCBs as outgoing, reversible metal door, 100 A copper busbar, fully shrouded neutral bar, earth bar, wire set & cable ties for cable management, pre fitted masking sheet, etc. having IK 09 & IP 43 protection complete all as specified in IS 732: 2019 and directed by the engineer-in-charge. Make: Schneider, Legrand, L & T NOTES: [i] DP RCCB / RCBO / Isolator / MCB & SP MCBs shall be measured and paid separately.

S & F MCB for AC applications conforming to IS/IEC 60898-1-2002, having breaking capacity Icn = 10 kA, sliding bottom clamp, colour coded on/off indication on dolly, bi-connect IP 20 protected lower terminals and sliding shutters, etc. complete all as specified in IS 732: 2019 and directed by the engineer-in-charge. Make: Schneider, Legrand, L & T

6- 32 A, 230 V, 50 Hz, SP MCB (C curve)

6- 32 A, 230 V, 50 Hz, SPN / DP MCB (C curve)

40- 63 A, 415 V, 50 Hz, FP MCB (C curve)

Refixing of existing light fitting of any size and any wattage of false ceiling/wall after false ceiling work complete with all acessories and connected items all as directed and specified by Engr-In-Charge

External Electrical Supply M & L for ISI marked 11 kV earthed grade aluminium conductor, XLPE insulated, 3 core 400 mm2 armoured cable conforming to IS 7098 (Part 2): 1985, having stranded aluminium compacted circular shaped conductor as per Cl. 2, IS 8130: 1984, extruded PVC Type ST-2 inner & outer sheath, conforming to IS: 5831- 1984, single layer of aluminium round wire/ flat strip armouring and inner screening of extruded semiconducting compound followed by hellically wound copper tape complete all as specified and directed by engineer-in-charge. Make: Finolex, Havells, Polycab, RR Kabel,KEI wires

M & L for cable jointing kit for 11 kV grade 3 core, 400 mm² cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE insulated armoured aluminium conductor cable complete all as specified and directed by engineer-in-charge. Make: 3M, Denson, Raychem

Supply, installation, testing and commissioning of 7.2 kV class factory-built and tested MV / LV Compact Substation (CSS), conforming to IEC 1330: 1995 tested for severe tropical climate conditions conforming to IEC 60068-2-30 and 21 kA internal arc for 1 sec conforming to IEC 61641, comprising of 3 mm thick EG sheet enclosure of modular construction mounted on a Hot Dip Galvanised 4 mm thick steel base, 2.5 mm thick EG sheet compartments, MV compartment having a non-extensible 630 A, 21 kA (1 s), 7.2 kV, SF6 insulated RMU (2 LBS + 1 VCB variant),transformer compartment having a hermatically sealed oil immersed type copper wound transformer of 2000 kVA rating having HV/LV voltage as 6.6/0.433 kV and LV compartment with a compact type main circuit breaker (3200 A, 50 kA , 415 V, 50 Hz, 4P ACB), MV and LV connections, internal arcing withstand equipment, LV metering, internal lighting of MV and LV compartments, safety notices, oil holding tank, access to operating bay by two double doors (padlock protected) located on side of substation along with all accessories complete all as specified and directed by the engineer-in-charge. Make: ABB, L&T, Schneider, Siemens,INDIAN Transformer and Electrical (Gurgaon) The Compact Substation shall conform to the following technical specifications: [A] General Characteristics [i] ambient temperature: (1) 40 °C (normal operating conditions) (2) 60 °C (operation in very hot climates) [ii] type of ventilation: natural [iii] degree of standard protection: (1) MV / LV compartments: IP54 (2) transformer compartment: IP23 (3) rated enclosure class: 10

[B] Electrical Characteristics [i] rated voltage: 7.2 kV for RMU and 6.6/0.433 kV for the copper wound 2000 kVA transformer [ii] rated insulation level: (1) 28 kV rms, 50 Hz, 1 min (2) 75 kV impulse, 1.2/50 µs [iii] rated frequency: 50 Hz [iv] switch connection to MV network (1) rated current: 630 A (2) maximum allowable impulse current withstand: a. 12.5 to 25 kA rms- 1 s b. 31.5 to 62.5 kA peak [C] Standards: [i] IEC 439-1 [ii] BS EN 60439-1 [iii] IEC 947-1&2

[ii] A product safety mark, e.g. KEMA-KEUR, ASTA DIAMOND, UL and ERDA, CE, etc. shall be on the product offering a visual assurance of full product safety testing, factory inspection and ongoing surveillance under independent authority. [iii] The BTS shall be certified for siesmic tests conforming to IEEE 693-2018 for seismic zone V. [C] SHORT-CIRCUIT RATINGS & TESTS [i] The entire BTS (busduct and plug-in box assembly) shall be capable of withstanding the short-circuit of electrical installation without undergoing any electrical, mechanical or thermal stress under fault condition at a service voltage of 1 kV at 50 Hz frequency. The minimum rated insulation voltage shall be 1 kV. [ii] The minimum certified short-circuit withstand capacity for 800 A rating shall be 40 kA for 1 sec. [iii] The minimum certified short-circuit withstand capacity for 2500 A rating shall be 75 kA for 1 sec.

[D] HOUSING:[i] The busbar trunking housing shall be constructed of 1.6 mm thick electro-galvanised steel and shall be provided with a suitable protective finish of epoxy paint. [ii] The busbar trunking housing shall be totally enclosed non-ventilated for protection against mechanical damage and dust accumulation and it shall be tested for its characteristics offering resistance against corrosion. It shall also pass at least 1000 salt spray test to ensure its anti-corrosion ability. [iii] The totally enclosed housing shall be manufactured by the BTS OEM and modifications of busbar trunking to make it totally enclosed by housing other than the busbar trunking OEM shall be unacceptable without written consent of the OEM. [E] BUSBARS [i] The busbars shall be of aluminium with tin / silver plating at joint and conductivity of the joint shall be > 60% IACS [ii] There shall be no bolts passing through the busbars of the BBT. [iii] Each busbar shall be insulated with Class-F (155 ⁰C) multilayer PET insulation. Epoxy and Mica insulation shall be unacceptable. [iv] The temperature rise at any point of busbar trunking enclosure shall not exceed 55 ⁰C above the ambient temperature of 40 ⁰C when operated at the rated current.

[F] JOINTS:[i] The busbar trunking joint shall be of one-bolt type utilizing high strength steel bolt(s) and Belleville washers to maintain proper pressure over a large contact surface area. [ii] The bolt(s) shall be torque indicating and at earth potential. [iii] The nut(s) shall be of two-headed design to indicate proper torque has been applied and shall require only a standard long handle wrench to be properly activated. [iv] Access shall be required to only see one side of the busbar trunking to tighten joint bolts. [v] It shall be possible to remove any joint connection assembly to allow electrical isolation or physical removal of a busbar trunking length without disturbing adjacent busbar trunking lengths. [G] PLUG-IN OPENING [i] The connecting jaw of a plug-in unit shall plug directly onto the busbar and have full contact with busbar itself. Welded tab at plug-in busbar is unacceptable. [ii] All contact on joint and plug-in opening shall be of copper strip in order to avoid external force damage on busbar while plugging in or plugging out operation.

[iii] On plug-in busbar trunking there shall be three dead front, hinged cover type plug-in opening on each side. [iv] All openings shall be usable simultaneously. Busbar trunking shall be installed in such a manner that plugs are side mounted to permit practical use of all plug-in openings. [v] It shall be possible to inspect the plug-in opening and busbars prior to the installation of plug-in units. [H] SUPPORT STRUCTURE [i] Support structure shall be provided as per OEM's recommendation. [ii] Indoor feeder and plug-in busbar trunking shall be approved for hanger spacing of up to 3 m for horizontally mounted run and 4.88 m for vertically mounted runs. Outdoor feeder busbar trunking shall be approved for spacing up to 1.5 m for horizontally or vertically mounted runs. [I] VOLTAGE DROP [i] The voltage drop (sending end voltage minus receiving end voltage) specified shall be based on the busway operating at full rated current and stabilized operating temperature in [ii] The 3- Phase line to line voltage drop shall not exceed 3.4 V per 100 feet length at 40% power factor concentrated load which may exist during motor starting. [iii] The line to line voltage drop shall not exceed 4.1 V per 100 feet at the load power factor which produces the maximum voltage drop in the busway.

[J] INSPECTION / SUPPORT OF INSTALLATION [i] The installation of busbar trunking system (BTS) shall be executed by skilled professionals with minimum experience of 4 yrs. having sufficient installation base and pre-commissioning experience. [ii] The entire installation shall be directly supervised by the OEM. [iii] The OEM shall also furnish a commissioning report underlining satisfactory installation after the commissioning of BBT system. 4000 A BBT (from CSS to Main LT Panel)

Straight Run Feeder having IP54 protection

Flange End with Equilizer/ Shorting Plate

Horizontal Bend/Vertical Bend

Vertical Spring Hanger / Fix hanger / Edgewise Hangar

Tinned Copper Braided Flexibles Hardware- Nuts & Bolts

2500 A BBT (from Main LT Panel to HVAC Panel) Straight Run Feeder having IP54 protection

Flange End with Equilizer/ Shorting Plate

Horizontal Bend/Vertical Bend

Vertical Spring Hanger / Fix hanger / Edgewise Hangar

Tinned Copper Braided Flexibles Hardware- Nuts & Bolts

M & L for 1.1 kV grade aluminum conductor, XLPE insulated 3.5 core, 300 mm2 armoured cable conforming to IS 7098 (Part 1): 1988, having stranded aluminium compact shaped conductors as per Cl. 2 of IS 8130: 1984, PVC inner sheath, single armouring 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 as all specified and directed by engineer- in- charge. Make: Finolex, Havells, Polycab, RR Kabel,KEI wires

[iv] Dry resin impregnated and self-healing type 65 ⁰C temperature withstand category MPP capacitor of 450 (2 X 100 + 4 X 50 + 2 X 25) kVAr fitted with over-pressure disconnector in each individual phase having minimum over-current withstand capability 2.5 X In, minimum peak inrush current withstand capability 350 X In, total operating loss ≤ 0.45 W / kVAr, 15000 minimum permissible switching operations per year and 200000 hrs minimum operating life [v] 100 kVAr- 02 STEPS [a] 250 A, 415, Ics = 100% Icu = 36 kA, 50 Hz TP MCCB with fixed magnetic settings and adjustable thermal settings- 02 Nos. [b] 3P, 100 kVAr power contactor (capacitor duty), 415 V, 50 Hz 230 VAC coil- 02 Nos. [c] 7% detuned reactor, 3- Ph, 100 kVAr, 440 V, 50 Hz- 02 Nos. [vi] 50 kVAr- 04 STEPS [a] 125 A, 415, Ics = 100% Icu = 36 kA, 50 Hz TP MCCB with fixed magnetic settings and adjustable thermal settings- 04 Nos. [b] 3P, 50 kVAr power contactor (capacitor duty), 415 V, 50 Hz 230 VAC coil- 04 Nos. [c] 7% detuned reactor, 3- Ph, 50 kVAr, 440 V, 50 Hz- 04 Nos. [vii] 25 kVAr- 02 STEPS [a] 50 A, 415, Ics = 100% Icu = 36 kA, 50 Hz TP MCCB with fixed magnetic settings and adjustable thermal settings- 02 Nos. [b] 3P, 25 kVAr power contactor (capacitor duty), 415 V, 50 Hz 230 VAC coil- 02 Nos. [c] 7% detuned reactor, 3- Ph, 40 kVAr, 440 V, 50 Hz- 02 Nos. NOTES:

[i] The APFC Panel shall be procured directly from the original equipment manufacturer (OEM) or OEM authorized franchises only. The APFC Panel described as above shall be complete in all respect as per specification enclosed, up to the entire satisfaction of Engineer -in-charge. To ensure safety, reliability and accountability of component co ordination, all the major capacitor bank components such as capacitor units, de tuning reactors, PF controllers, circuit breakers, contactors and the enclosure system called for in this specification should preferably be from a single manufacturer. The OEM shall preferably manufacturer PFC components and switchgear.The OEMs specified cannot authorize any other partners / sub vendors to manufacture APFC Panels on their behalf. The APFC Panel manufactured by OEM's only will be accepted & factory acceptance test ( FAT ) will be carried out at OEM's plant only. [ii] The APFC Panel shall have 10% extra space for future expansion. [iii] The bidder shall furnish dimensional drawings of the items offered indicating all the fittings, dimensional tolerances, typical GADs, etc. for approval of the Garrison Engineer. [iv] The capacitor bank shall be Internet of things (IoT) enabled and communicable/ integrable with EMS.The APFC panel should have the capability for environmental monitoring where it is able to provide the real time data for the temperature and humidity inside the panel ambient. The environmental sensors shall be used with a access point, which can be used for multiple sensors, using Green Power wireless communication protocol to transfer the information on real time basis to have the exact and detailed temperature monitoring [v] The Panel / Switchboard shall be tested to withstand vibration caused by an earthquake in accordance with IEC 60068-3-3:2013 or IS 1893 Zone V. [vi] All noble components (viz., hinges, support, frame- horizontal & vertical) of the Panel shall be given by the OEM.

Supply, installation, testing and commissioning of silent LT diesel generator set of 2000 kVA rating along with AMF cum synchronizing panel with associated switchgear, control panel and exhaust piping as per CPCB norms with necessary foundation, etc. complete all as specified and directed by the engineer-in-charge. Make: Ashok Leyland, Caterpillar, Jackon-Cummins, Mahindra, Perkins The diesel generator set shall conform to the following technical specifications. [A] Engine (i) Rating: 2000 kVA (ii) Emissions / Fuel Strategy: Low Fuel Consumption (iii) Duty Cycle: Mission Critical (iv) Site Output: 2000 kVA (v) Governor Type: Electronic (vi) Cooling System: Heat Exchanger Cooled (vii) Silencer Type: Residential (viii) Overload: 10% for 1 hr in every 12 hrs [B] Starting System (i) Type of Starting System: Battery Starting System (Electric) (ii) Type of Battery: SMF VRLA type (iii) Battery Voltage: 12 V (iv) Number of Battery: 04 Nos. (v) Ah Capacity: 160 Ah [C] Fuel Oil System (i) Fuel consumption @ 75% load: ≤ 285 litre/hr (ii) Fuel consumption @ 100% load: ≤ 380 litre/hr (iii) Fuel tank capacity: ≥ 950 litre (outside) (iv) Fuel tank thickness & MOC: 2 mm thick mild steel [D] Lube Oil System (i) Lube oil sump capacity: ≥ 285 litre (ii) Lube oil consumption: ≤ 0.75 litre/hr [E] Alternator Details (i) Rating: 2000 kVA (ii) Site output: 2000 kVA (iii) Voltage: 415 V (iv) Power Factor (PF): 0.8 lag (v) Connection: 3-Phase, 4-Wire (vi) Insulation: Class H (vii) Temperature Rise: Limited to Class H (viii) Excitation System: Separately Excited (ix) Frequency: 50 Hz (x) Voltage Variation: ±5% (xi) Voltage Regulation: ±0.5%

[F] DG Set Details (i) Mounting Type: AVM Pad [G] Integrated DG Set Controller (1) Control: (i) Run/ Off / Auto Switch (ii) Emergency Stop (iii) Manual Run Stop Control Switch (iv) Idle / Run Mode Control (2) Metering (Engine): (i) Starting Battery Voltage (ii) Lube Oil Temperature & Pressure (iii) Engine coolant Temperature (iv) Coolant Pressure (v) Engine rpm (vi) Operating Hours (vii) Number of Starts (3) Electrical: (i) Current (ii) Voltage (iii) Frequency (iv) kW (v) kWh (vi) PF (vii) kVA (4) Protection / Warning (Engine): (i) Overspeed Shutdown (ii) Low Lube Oil Pressure Warning / Shutdown (iii) High coolant Temperature Warning / Shutdown (iv) Low coolant Temperature Warning (v) Low Coolant Level Warning / Shutdown (vi) Low and High Battery Voltage Warning (vii) Weak Battery Warning (viii) Over Crank Shutdwn (ix) Fail to Crank Shutdown (x) Magnetic Pickup Failure Shutdown (4) Alternator: (i) Overcurrent (ii) High Voltage (iii) Low Voltage (iv) Under / Over Frequency (v) Reverse Power (kVA & kVAr) (vi) Phase Sequence (5) Misc: (i) Digital AVR (ii) Amp Sentry Protection (iii) Sensor Failure Indication (iv) Programmable Idle Speed Control (v) Digital Synchronizing Function (vi) Sync Check (vii) Synchronoscope (viii) Auto Load Sharing (ix) Compatibility to Remote Monitoring (x) Smart Starting

[H] Exhaust System (i) Exhaust piping of size 12" dia. (300 mm NB), 4.85 mm thick plate and 16" dia. & (400 mm NB) 5 mm thick, MS Class B pipes conforming to IS 3589: 2001 with 75 mm thick glasswool / mineral wool insulation with wire chicken mesh over insulation and 24 gauge aluminium sheet cladding over the exhaust pipes from silencer to atmosphere including welding joint(s), bend(s), clamp(s), dash fasteners, flanges, nuts, bolts, etc. complete as required and as per specification (ii) Aluminium cladding for residential silencer with mineral wool 50 mm thick, density 64 kg/m3, wire mesh and 24 gauge aluminum cladding (iii) MS self-support structure for exhaust piping (iv) SS flexible bellows, 16" dia. (400 mm NB) complete with counter flanges, heat resistant gaskets, nuts, bolts and washers, etc. complete as required (v) Lightning arrester with GI strip upto earth pit [I] Power Cabling (i) 4000 A BBT specified separately [J] CONTROL CABLES & TERMINATION KITS (i) 24 core, 2.5 mm2, Cu conductor, XLPE insulated armoured control cable as required along with necessary termination kits (ii) 4 core, 2.5 mm2, Cu conductor, XLPE insulated armoured control cable as required along with necessary termination kits (iii) 2 core, 2.5 mm2, Cu conductor, XLPE insulated armoured control cable as required along with necessary termination kits (iv) 4 core, 4 mm2, Cu conductor, XLPE insulated armoured control cable as required along with necessary termination kits (v) 3 core, 6 mm2, Cu conductor, XLPE insulated armoured control cable as required along with necessary termination kits [K] FUEL PIPE (i) 50 mm NB MS Class C pipe of required length (ii) Fuel pipe fittings, viz. bends, flanges, valves, tees, elbows, etc as required

Dismantling of old HT Panel / VCB including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Dismantling of old transformer including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Dismantling of old LT Panel including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Dismantling of old DG Set including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Dismantling of old LT / HT cabling of any size including disposal of unserviceable material and stacking of serviceable material within 1000 meters lead complete all as specified and directed by engineer-in-charge.

Pneumatic Engineers Pvt. Ltd.

SVC PROJECTS PVT. LTD