SPECIAL REPAIR/REPLACEMENT OF BER COOLING APPLIANCES AND AC PLANT(DIT) AT CAMERO COMPLEX UNDER GE(AF) SUBROTO PARK,DELHI CANTT-10

Amount

Supply and installation of hi wall split units indoor/outdoor copper tube evaporator and copper condenser, R32 Gas and condensing unit capacity of 2 Ton complete with cordless remote control unit and with in-built air ioniser and plasma filter for better indoor air quality with 5 star rating and EER 5.0, CFC free, inverter type AC, single phase, of capacity 2 Ton fitted on wall and outdoor to be fixing on roof/wall at requirement place including all necessary electrical connections, bolting , nuts , clamping of 3 core copper cable, cooling tube , drain water pipe etc. up to 3 mtr complete all as specified and directed by Engineer -in -Charge.

Supply and installation of window type air conditioner electric driven (single phase), cooling capacity 4500 K Cal per hour (1.5 Ton), CFC free, BEE 5 star rated inverter type AC with copper condenser evaporated fixing in window/existing bracket including providing necessary locking arrangements and brackets i.e. wooden piece, angle iron support, screwing, necessary nut bolts, drain pipe and electrical connections complete all as specified and directed by Engr-in-Charge.

S&F in replacement Low density polyethylene pipes (LDPE) 20 mm dia of pressure rating 6 kg/cm2 fixed complete to walls, ceilings or in floors etc. including accessories, clamps and fasteners complete all as specified and directed by Engineer-in-charge

Supply and laying in replacement of refrigerant line copper tubing of size 1/2" with clamping on wall surface or concealed with both the ends connection as in repair complete all as specified and directed by Engineer-in-charge

Supply and laying in replacement of refrigerant line copper tubing of size 1/4" with clamping on wall surface or concealed with both the ends connection as in repair complete all as specified and directed by Engineer-in-charge

Supply and fixing in replacement of foam insulation for copper tubing of size 1/2" complete all as specified and directed by Engineer-in-charge

Supply and fixing in replacement of foam insulation for copper tubing of size 1/4" complete all as specified and directed by Engineer-in-charge

S&F in replacement of unserviceable PVC insulated and PVC round sheathed with stranded copper conductor (flexible) industrial cable 1100 volts conforming to IS-694 of size 4.0 sqmm 3 core complete all as specified and directed by Engr-in-Charge.

Disconnecting from mains, dismantling, taking down and depositing of old unserviceable Split type AC 2.0 TR and Window AC 1.5 TR including connected accessories like refrigerant tubing stand electric cable etc and deposit to MES store yard complete, all as specified and directed by Engineer-in-Charge.

M&L in replacement of cross arms, bracings, supports ,clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hold, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint for installation of condensing unit on the wall / ground complete all as specified and as directed by Engineer-in-charge

Water Cooled Chilling Machines : Supply, installation, testing and commissioning of minimum 18 TR capacity or next higher capacity water cooled Scroll Chilling Machines fitted with hermetically sealed compressors, multi circuit Dx chiller, water cooled S&T condenser, Microprocessor based control panel,suitable for R-407 C Refrigerant, Shell & Tube Insulated Evaporator,Expansion Device, Suitable capacity Control Mechanism actual cooling capacity on following operation parameters complete all as specified and directed . Make : BLUE STAR /VOLTAS/ DAIKIN. Chilled Water Entering Temperature : 12.22 deg C Chilled Water Leaving Temperature : 7.0 deg C Evaporator Fouling Factor : 0.0001 MKS Condenser Water Entering/Leaving Temperature at 29.44/35 deg C Refrigerant : R-407 C Maximum Allowable IKW / TR @ 100% Load : 1.55

Ser. item no . 11 contd.... Scope of Supply :- (a) 1set.- Scroll compressor hermetic complete with suitable capacity squirrel cage induction motor with class 'F' insulation suitable for operation on 415+ 10% volts, 50Hz, A.C. supply and automatic capacity control, safety switches, forced feed lubrication system etc. as per specifications. (b) 1No. Close transition type automatic star-delta starter suitable for compressor motor complete with ammeter with CTs, over load protection, under voltage protection, protection against phase reversal & independent single phase preventers etc. complete as required. (c) 1 Set - Lubrication device consisting of automatic electric oil pump, oil cooler, oil strainer, automatic pressure regulating valve, oil heater, oil heater thermal switch etc. as per specifications. (d) 1 Set. - Matching Water Cooled condenser having Copper tube with Mechanically bonded aluminium fins. (e) 1No. - Matching DX type chiller for Chiller units. (f) 1 Lot- Refrigerant piping fittings, valves and accessories to interconnect compressor, condenser, chiller and expansion valve. (g) 1 Set- Microprocessor based control panel complete with all safeties, controls and LCD display as per specifications. (h) Lot- Refrigerant line accessories comprising of safety valves, angle valve, liquid line indications. (j) Lot- Suction line and chiller insulation with minimum 19mm thick polyvinyl nitrile rubber insulation complete as required. (k) Lot- Frame work for mounting the above condenser, chiller compressor and motor with base plate complete with anti vibration pads/springs. (l) Lot- Initial / first charge of refrigerant gas and compressor oil. (m) Lot-PCC cement concrete foundation for the Chiller unit (2 W + 1 S).

Chilled Water Pump Set :- Supply, erection, testing and commissioning of centrifugal mono block type chilled water pump set capable of delivering minimum 440 LPM of water against 30 mtr head each comprising of the following complete all as specified and directed .

Ser. item no . 12 contd.... (a) 1 No.- mono block type pump. (b) 1 No. - Suitable HP TEFC squirrel cage induction motor with class 'F' insulation 2900 rpm synchronous speed, operating on 415+ 10% volts, 3 phase, 50 Hz A.C. supply. (c) Lot- insulation of pump of 13 mm thick with aluminium foil faced closed cell chemically crossed linked XPE foam material. (d) 2 Nos. -100 mm dia dial type pressure gauges. (e) Lot- Mounting frame with Anti vibration pads. (f) Lot-PCC cement concrete foundation for the pump unit (1 working simultaneously & 1 working standby---Each of 100% cap).

Condenser Water Pump Set Supply, erection, testing and commissioning of centrifugal mono block condenser water pump set capable of delivering minimum 650 LPM of water against 22.00 mtr head each comprising of the following complete all as specified and directed.

Ser. item no . 13 contd.... (a) 1 No.- mono block type pump. (b) 1 No. - Suitable HP TEFC squirrel cage induction motor with class 'F' insulation 2900 rpm synchronous speed, operating on 415+ 10% volts, 3 phase, 50 Hz A.C. supply. (c) 2 Nos. -100 mm dia dial type pressure gauges. (d) Lot- Mounting frame with Anti vibration pads. (e) Lot-PCC cement concrete foundation for the pump unit (1 working simultaneously & 1 standby---Each of 100% cap).

AIR HANDLING UNITS Supply, Installation, testing and Commissioning of double skin floor mounted air handling units fabricated & assembled complete, made of 25 mm thick panels consisting of GI casing of thickness 0.6mm outside layer and 0.6mm inside layer, injected at factory by moulding machine with polyurethane foam (PUF) insulation complete with blower section and filter section with filter of 10 micron at 90% efficiency, chilled water coil constructed out of copper tubes not less than 0.5mm thickness and aluminum fins, Suitable capacity TEFC drive squirrel cage induction motor 415 ± 10% volts, centrifugal forward / backward curved fan suitable for 50 mm SP, access door etc. complete all as specified and directed. Maximum face velocity across the coil shall be 500 FPM and each 6 Row Deep Ch. Water Cooling Coil. RH to be maintained at 50 %±5 of following capacities and comprising of following:-

Ser. item no . 14 contd.... (a) Coil of copper tube and aluminium construction sized at maximum face velocity of 500 FPM. (b) Pre filter of 10 micron at 90% efficiency on the face of the coil in return air stream. (c) Squirrel cage induction motors suitable for 415 ± 10% volts, 50 Hz, AC supply meeting criterion as per ASHRAE standard 90.1-2007 and high efficiency. (d) Fan belt drive package. (e) Vibration isolators. (f) Fan outlet velocity not exceeding 10 mps. Tag No. Space CFM TR : AHU No .1 G/Floor 16000 36.0

Supply, Installation, testing and commissioning of Finned type Strip Heater of 3.0 KW x 12 Nos. for Winter Heating Kit and 3 KW x 6 Nos. for Monsoon reheating complete with all controls and control wiring etc all as specified and directed by Engg-in-charge.

COOLING TOWER Supply, Installation, testing and commissioning of FRP cooling tower of minimum 50 TR heat rejection capacity with FRP water basin PVC fillings with integral louvers and drift eliminators complete with hot water basin either fitted with spray nozzles or having self rotating sprinklers, statically & dynamically balanced axial flow type fan direct driven or driven through reduction gear box with TEFC induction motor , suction screen, make up quick filling arrangement, over flow and drain connections with necessary valves and suitable inspection ladder, access arrangement for cooling lower interior, installed on MS girders (MS-I sections) fixed in masonry foundations with cement concrete footing, second class brick work and cement mortor1:6; all accessories, basin fittings, fan, fan motor suitable for 415 Volt supporting structure, anti vibration mountings etc. complete and 50 HZ power supply having isolator panel with MCB at cooling tower and with following technical data and complete all as specified and directed. Make : MIHIR / DELTA / PAHARPUR. (a) Water flow/tower 200 USGPM. (b) Ent. Water Temp. 95 °F. (c) Basin water Temp. 85 ˚F

ELECTRICAL CABLES Supply, laying in replacement and connecting XLPE insulated, armoured heavy duty electric cable having 35 sqmm cable size cross sectional area 3.5 core with aluminium conductor, 1100V Grade, confirming to IS 7098(Part 1) 1988 (latest revised), in trenches/ducts/poles /pipes/walls etc. complete all as specified and directed for following:

3.5 C x 70 Sq.mm (aluminum) for servo stablizer .

3.5 C x 50 Sq.mm (aluminum) for Chillers .

3.5 C x 35 Sq.mm (aluminum) for Main cable to AHU panels.

3.5 C x 25 Sq.mm (aluminum) for Pre Heaters.

4 C x 10 Sq.mm (aluminum) for Re Heaters.

3 C x 4 Sq.mm (aluminum) for Chilled Water , Condenser pumps,, CT Fan & AHU Blowers motor.

4C x 1.5 Sq.mm (copper) For Controls

M&L in replacement for earthing complete with GI earth plate electrode 60cm x 60cm x 6.3mm thick, buried directly in ground (earth pit not less than 2.25 meter deep below normal ground level) with top edge of the plate not less than 1.5 meter below normal ground level, connected to and including galvanized iron strip 25X4mm as earth lead by means of GI bolts, nuts, check nuts and washers, earth pit surrounded by picked layer of coal dust and 15 mm thick mixture in equal ratio of magnesium sulphate & copper sulphate in all around bottom and top and watering pipe 20mm bore of GI medium grade with funnel all as shown in electrical plate NO 5 of SSR Part I (1991) and connecting to earthing test point, including CI cover, frame and PCC (1:3:6) type C-2 using 20mm graded stone aggregate as in earthing pit with CI cover and framing including necessary earth work etc, complete all as specified and directed. Note :- PCC chamber shall be constructed at least one meter away from building and shall be provided in slanting manner. Note :- PCC pit cover shall be precast of RCC 1:2:4 type B-1, 80 mm thick, reinforced with XPM weighting not less than 4 Kg (sqm in lieu of CI)

PIPING- Supply, laying / fixing, testing and commissioning the following nominal sizes of chilled Water plumbing pipes MS ‘C’ CLASS as per IS: 1239, inside the building(with necessary clamps, vibration isolators and fitting like valves, flanges, union etc. but excluding valves, strainers, gauges etc.) cut to required lengths and welded at joints and inclusive of accessories like elbows, tees, reducers, sockets etc. including insulating with 19 mm (for all pipes) and 13mm (for drain pipe) thick closed cell chemically cross linked fire retardant polyethylene foam insulation of density 30 Kg/cum. The thermal conductivity of the material should not exceed 0.035 W/Mk at an average temp of 40 deg C,covered with aluminium faced foil complete with application with rubber based adhesive Pidilite SR 998 and 50mm x 3 mm thick self adhesive tape on both longitudinal & transverse joints simultaneously, all as specified and repairing damage to building etc.and conforming to the specified specification for following sizes:

80 mm dia

65 mm dia

50 mm dia

Supply, installation, testing and commissioning of following types of valves, strainers, gauges in chilled water & cond water plumbing and adequately supported complete all as specified and directed:- Providing and fixing in position the following butterfly valves :-

80 mm dia Valves

65 mm dia Valves

50 mm dia Valves

32 mm dia Valves

Supply and fixing in position the following manual balancing valves complete all as specified and directed :-

80 mm dia Valves

50 mm dia Valves

Supply and fixing in position the following ‘Y’ Strainers complete all as specified and directed :-

80 mm dia

65 mm dia

Supply and fixing in position the following ‘Check Valves complete all as specified and directed :-

80 mm dia Valves.

65 mm dia Valves.

Supply and fixing in position the industrial type pressure gauges complete all as specified and directed

Supply and fixing in position the mercury-in- glass industrial type thermometers complete with fittings complete all as specified and directed.

Supply, installation, testing and commissioning of 3 way mixing / diverting valve of size 80 mm dia with proportional cooling only thermostats for the Air Handling Units complete with required controls wiring / installation kit etc. as per drawings complete all as specified and directed.

Supply, fixing, testing and commissioning of condenser water pipes of MS class ‘C’ of following sizes and material along with necessary clamps, vibration isolators and fittings such as bends, tees etc but excluding strainer and gauges etc adequately supported on rigid supports / buried in ground including excavation & return filling etc complete all as specified and directed.

100 mm dia.

65 mm dia.

50 mm dia.

Expansion Tank Supply,installation,testing and commissioning of PVC expansion tank of size 500 Litres complete with suitable with Al. foil faced FR- XLPE / XPE 19 mm thick of minimum bulk density 28±4Kg/cum and applied with Pidilite SR 998 complete with air vent and drain connection with float valve, quick fill and control valves etc. complete all as specified and directed.

Make Up Tank Supply,installation,testing and commissioning of PVC make up tank of size 5000 Litres complete with air vent and drain connection & overflow, make up connection with float valve &PCC foundation with suitable height etc. complete all as specified and as directed by Engineer-in-charge.

AIR DISTRIBUTION M&L for addition / alteration in the existing SA GI sheet metal ducts made of GI sheet of Class -VIII as per IS -277 of following thickness for supply air ducting as per IS - 655 complete all as specified and directed.

24 gauge galvanised sheet steel

22 gauge galvanised sheet steel

20 gauge galvanised sheet steel

Supply, fabrication, installation and testing the flexible connections constructed of fire resistant double resin sleeve as per the approved shop drawings complete all as specified and directed.

Supply, fabrication, installation and testing the grills / Diffusers for Supply Air made of extruded Aluminum section with powder coated paint and GI VCD as per the approved shop drawings complete all as specified and directed.

Supply, fabrication, installation and testing the grills / Diffusers for Return Air made of extruded Aluminum section with powder coated paint as per the approved shop drawings complete all as specified and directed.

Supplying, fixing, testing and commissioning of power coated extruded aluminium section of 120 G thick for fresh air grill in weather maker room with volume control dampers, bird screen etc complete all as specified and directed.

Supply, installation, testing and commissioning of motorised combined fire damper made of 20 G GI sheet complete with control panel, inter connecting wiring at locations shown in approved shop drawings and complete all as specified and directed for following:

Fire Dampers.

Actuators

Control Panel & Wiring

Supply, installation, testing and commissioning of acoustic insulation of SA Duct in AHU Rooms as shown on drawing with 25 mm thick resin bonded fibre glass, of 32 kg/cum density, covered with tissue paper and 26 G Aluminium perforated sheet complete all as specified and directed.

Supply ,installation, testing and commissioning of thermal insulation of Duct with 13 mm thick Aluminium foil faced Closed Cell XPE Foam insulation complete all as specified and directed.

Supply, install, commissioning and testing of commercial Air curtain with sensor, for door opening size (36"x84") unit for prevention of dust and conditioned air losses, single phase, 220 V, 50 HZ, made out of MS/CRCA sheet of minimum thickness 18 gauge finished with two coats of red oxide primer and final coat of synthetic enamel paint (oven baked) with MS - CRC 18 gauge square perforated suction grills, Aluminium alloy fans and single phase electric motor, nozzles etc, complete with fittings and accessories so as to produce 1 - 1.5 m/sec air velocity at floor level for door opening size complete all as specified and directed.

Supply, install, commissioning and testing of commercial Air curtain with sensor, for door opening size (60"x84") unit for prevention of dust and conditioned air losses, single phase, 220 V, 50 HZ, made out of MS/CRCA sheet of minimum thickness 18 gauge finished with two coats of red oxide primer and final coat of synthetic enamel paint (oven baked) with MS - CRC 18 gauge square perforated suction grills, Aluminium alloy fans and single phase electric motor, nozzles etc, complete with fittings and accessories so as to produce 1 - 1.5 m/sec air velocity at floor level for door opening size complete all as specified and directed.

Disconnecting from mains dismantling taking down and depositing of old unserviceable central AC plant with capacity 3x18 TR including compressor,cooling tower, AHU, electrical panel ,pipe lines and electrical cable etc and deposit to MES store yard complete, all as specified and directed by Engineer-in-Charge.

Supply and installation in replacement of phase frequency corrector of capacity 75 HP of 3 phase corrector for 3 phase for central ac plant and other 3 phase items , electrically controlled with interlocking system duly pre wired with multistranded copper wire of durable rating , powder coated metallic housing with hanged door and indicator for each phase, current rating 60A- 100A, Voltage rating 440V all as specified and directed by Engr-in- Charge.

Supply and fixing cable tray of size 200 x 50 mm , 1.2 mm thick perforated type powder coated with coupler plates complete all as specified and directed.

Excavation in trenches in any type soil /rock (soft/loose/hard/dense soil/rock) n.exc 1.5 mtr wide and n.exe 1.5 mtr in depth for foundation, laying of pipe etc n.exc. 10 sqm on plan and n.exe 1.5 mtr in depth and getting out complete all as specified and as directed by Engineer-in-charge. NOTE : while removing the pipe line ,the contractor shall replaced the broken tiles with new as per existing . The quoted rates shall be deemed to include for all the materials / T&P / machinery used in this item. Nothing extra shall be admissible on this account.

Returning, filling in, including spreading, levelling ,watering and well ramming hard / dense soil in layers not.exc. 25 cm each layers complete all as specified and directed by Engineer-in-charge.

Removal of excavated material & surplus soil to a distance n.exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed by Engineer-in-charge.

M&L Medium grade GI tubing 32 mm bore with all fittings and fixed complete to walls and ceilings or laid in floors including MS clamps/raddling complete all as specified and directed.

NOTES FOR AC PLANT :- (a) The installation shall be taken over by MES provisionally after the plant has been commissioned and successful completion of Phase-I test as specified and provisional completion certificate shall be issued by GE to contractor. After provisional completion, Phase-II test shall be conducted within 12 months. Final completion certificate shall be issued after successful completion of Phase-II test. No claim on account of prolongation of work due to delay in successful completion of all Phase-II tests by contractor shall be admissible. (b) Contractor shall prepare his own drawings, taking into account all requirements, specifications and ground conditions and shall be got vetted from any IIT /NIT and thereafter the same shall be submitted to GE for approval. All these activities shall be completed within 45 Days from the date of commencement of work as per WO No.1. The Contractor shall execute the work based on these drawings duly approved by department (called working drawings). These cost factors shall be deemed included in unit rates quoted and nothing extra shall be paid on this account. (c) The contractor's quoted rate shall be deemed to include the Cost of Manning & Operation (as applicable) of complete AC Plant by employing one number of staff having qualification and experience as specified (AC Plant operator) in one shift of 8 hours per day on all working days after successful completion of Phase - I test until successful completion of last phase-II seasonal test or twelve (12) months from date of issue of provisional completion whichever is later

SHRI RAMSONS PROJECTS CORPORATION (BID ID -3082362)

HONEY COLLECTION (BID ID -3078476)

HVAC Engineering Co (BID ID -3082353)

Flint India (BID ID -3083122)

RefAir Technical Services (BID ID -3082005)