COMPREHENSIVE MAINTENANCE OF AIR CONDITIONING PLANT OF CAPACITY 3 X 8 TR AT HQ DELHI AREA SIGNAL EXCHANGE, 3 X 115 TR AT HQ CAMS AND 2 X 220 TR AT HQ DGIS UNDER GE(U) PM, DELHI CANTT -10

Amount

SECTION-I

Preventive and comprehensive maintenance of Central Air conditioning plant of capacity 2 x 220 TR as per manufactures manual of preventives and comprehensive maintenance and including servicing of units installed at OTM Accn for DGIS for equipments as listed below :- (a) The preventive maintenance complete chiller units each consisting of 2 x 110 semi-hermatic/open type compressor along with motor and its condenser, flooded chiller, scale guard unit, microprocessor based control panel complete system. Total no of chiller units -02 Nos. (b) Preventive and routine maintenance of following equipments:- (i) Condensing pump sets along with motors of 60 HP -02 Nos. (ii) Chiller pump sets along with motors of 50 HP -02 Nos. (iii) Pumping set for hot water circulation 25 HP-02 Nos. (iv) FRP cooling towers complete with motor, fan, gear box-02 Nos. (v) Condenser water pipe lines and its control vales complete-Lot. (vii) AHUs complete with accessories such as casing, chilled water coil, hot water coil, any type of air filters, drive motors control panel etc complete-11 Nos. AHUs. (viii) Expansion tanks including their insulation for chilled water and hot water system-02 Nos. (ix) Electrical operated hot water generator of Capacity 243 KW complete with automatic and safety controls such as safety valve, purge valve, high limit cut out, automatic and manual reset, low level cut out stop controller, thermostat, heaters including its control panel-01 Nos.

(x) Hot water pump set along with motor and control valves controls provided at each pump set-02 Nos. (xi) Hot water piping, insulation, fittings control valves connected between hot water unit to pump set and pump set to various AHUs-Lot. (xii) Controls for AHUs comprising of three way mixing valves with modulating motor, thermostat and humidistat-11 Nos. (xiii) Winter humidification package consisting of humidifier tank, valve controls sight glass, two bank water heater electrical panel, safety controls etc-11 Nos. (xiv) Supply air ducting complete, aluminum section grills/diffusers its dampers, fire dampers complete. (xv) Cubical type floor mounted main LT panel complete consisting control switch gear, starters of pump sets, cooling towers and its single phase preventers, no volt and under volt protection system, meters indication lamps complete-01 No. (xvi) Sub control panel provided for AHUs including controls starter meters and protection system -11 Nos. (xvii) Central control console panel comprising of ON/OFF push buttons and ON/OFF indication lights -01 No. (xviii) LT cables from main electrical panel to compressor motor, Pump motors, cooling tower motors, sub panels of AHUs units and control cables of central console panel complete –One lot. (xix) Earth pits and earthing strips provided for panels and motors complete-One lot. (xx) Air curtains six feet wide operated on 230 AC supply-11 Nos.

Preventive and comprehensive maintenance of Central Air conditioning plant of capacity 3 x 115 TR AC Plant , as per manufactures manual of preventives and comprehensive maintenance and including servicing of units installed at HQ CAMS Delhi Cantt, for equipments as listed below : (a) Preventive maintenance of Water Cooled chilled plant cap 3X 115 TR complete with condensor, Make - Voltas, along with motor and its condenser, microprocessor based control panel complete system. Total no of package chiller units -03 Nos. (b) Preventive and routine maintenance of following equipments:- (i) Weather making unit with blower and blower motor - 06 Nos. Make - ABB. (ii) Cooling coil - 06 Nos. (iii) Pre-filter - 06 Lots. Make - Athletic. (iv) FHP Pump for humidification - 06 Nos. Make - Jyoti. (v) PVC tank for humidification - 06 Nos. (vi) Strip heaters of 3 KW for winter heating - 01 Lot. (vii) GI/MS 'B Class' ERW pipes and fittings for chilled water piping insulation - 01 Lot. (viii) Thermostat - 06 Nos. (ix) Humidistat - 06 Nos. (x) Pumping set for condenser water circulation - 02 Nos. Make - Beacon. (xi) Pumping set for chilled water circulation - 02 Nos. Make - Beacon. (xii) Cooling tower cap 3 x 115 TR - 01 No. (xiii) GI sheet for fabricated ducts including duct insulation- 01 Lot.

(xiv) MS supply / return fresh air diffusers - 01 Lot. (xv) LT Panel board complete - 01 No. (xvi) Electrical fittings - 01 Lot. (xvii) Material for electrical wiring - 01 Lot. (xviii) PVC tank cap 5000 Ltr. Make-Sintex. (xix) Water softening Plant - 01. (xx) MS expansion tank for chilled water of cap 1000 ltrs - 02 Nos.

Preventive and comprehensive maintenance of Central Air conditioning plant of capacity 3 x 8 TR as per manufactures manual of preventives and comprehensive maintenance and including servicing of units installed at HQ Delhi Area Signal Centre for equipments as listed below :- (a) Preventive maintenance of complete water cooled units each consisting of Reciprocating type Compressor Make- Accel/ Sebroe Model No. SMC 3-65, along with compressor motor 10 H.P and its condenser, complete system. Total no of units -03 Nos. (b) Preventive and routine maintenance of following equipments:- (i) Condenser shell & tube 8 TR Cap – 03 Nos. (ii) Condenser water pump set 3 HP – 02 Nos. (iii) AHU with cooling coil & Blower Motor 3 HP - 01 No. (iv) Electric control panel in plant room - 01 No. (v) Cooling tower FRP with water make up tank - 01 No. (vi) Humidity pump -01 No. NOTES FOR ITEM NOS. 2 TO 6:- (i) The scope of work under this item includes the labour charges for keeping the desired temperature maintained in the rooms, periodical checkup of plants, detection of leakage of refrigerant gas by nitrogen pressure testing and its rectification, rectification of any leakage in water pipelines, filling of gland packing (graphite rope) of water pumps. Checking /Repairing to electrical faults in the electrical panel and motor of plants, Filling/Topping up of refrigerant gas and compressor oil etc. (ii) Labour charges for fixing of new materials as mentioned in Section -II, along with taking down of old unserviceable materials are deemed to be included in the quoted rates of item Nos. 2 to 6. (iii) New Items/parts will be measured and paid separately under relevant items of this Schedule.

SECTION-II

Supply only HRC fuse link, type HN, Cap 250 Amps complete all as specified and as directed.

Supply only HRC fuse link, type HN, Cap 400 Amps complete all as specified and as directed.

Supply only power contactor, 140 Amps triple pole(TP), AC 3 duty, with add on block (2 NO+2NC), complete all as specified and as directed.

Supply only power contactor, 110 Amps triple pole(TP), AC 3 duty, with add on block (2 NO+2NC), complete all as specified and as directed.

Supply only power contactor, 95 Amps triple pole(TP), AC 3 duty, with add on block (2 NO+2NC), complete all as specified and as directed.

Supply only power contactor, 80 Amps triple pole(TP), AC 3 duty complete all as specified and as directed.

Supply only power contactor, 70 Amps triple pole(TP), AC 3 duty complete all as specified and as directed.

Supply only power contactor, 50 Amps triple pole(TP), AC 3 duty complete all as specified and as directed.

Supply only power contactor, 45 Amps triple pole(TP), AC 3 duty complete all as specified and as directed.

Supply only power contactor, 32 Amps triple pole(TP), AC 3 duty complete all as specified and as directed.

Supply only power contactor, 18 Amps triple pole(TP), AC 3 duty complete all as specified and as directed.

Supply only Auxillary contactor (2 NO+2NC), suitable for 18-80 Amps power contactors, complete all as specified and as directed.

Supply only three pole power contactors of capacity ML-1.5 including control wiring, thimbles, etc complete all as specified and as directed.

Supply only three pole power contactors of capacity ML-3 including control wiring, thimbles, etc complete all as specified and as directed.

Supply only three pole power contactors of capacity ML-4 including control wiring, thimbles, etc complete all as specified and as directed.

Supply only three phase Over load thermal relay direct mounting type, relay range 3-5 Amps, including necessary wiring, thimbles, etc complete all as specified and as directed.

Supply only three phase Over load thermal relay direct mounting type, relay range 6-10 Amps, including necessary wiring, thimbles, etc complete all as specified and as directed.

Supply only three phase Over load thermal relay direct mounting type, relay range 9-15 Amps, including necessary wiring, thimbles, etc complete all as specified and as directed.

Supply only three phase Over load thermal relay direct mounting type, relay range 14-23 Amps, including necessary wiring, thimbles, etc complete all as specified and as directed.

Supply only three phase Over load thermal relay direct mounting type, relay range 20-33 Amps, including necessary wiring, thimbles, etc complete all as specified and as directed.

Supply only three phase Over load thermal relay direct mounting type, relay range 30-50 Amps, including necessary wiring, thimbles, etc complete all as specified and as directed.

Supply only three phase Over load thermal relay direct mounting type, relay range 45-75 Amps, including necessary wiring, thimbles, etc complete all as specified and as directed.

Supply only three phase Over load thermal relay direct mounting type, relay range 66-110 Amps, including necessary wiring, thimbles, etc complete all as specified and as directed.

Supply only shock absorbing rubber pads at the bottom of the AHU unit for absorbing shocks and vibrations, heavy duty of size 150 mmx 150mm complete all as specified and as directed.

Supply only Pre filter 10 micron of size 600mm x 600x 50mm made of out of GI wire mesh interspaced with two crimp layers and three flat layers flanged deep box type and efficiency 90% as per existing size and pattern for the all three AC Plant air handling unit complete all as specified and as directed.

-ditto- all as per item No. 32 above but size 600mm x 300mm x 50mm.

-ditto- all as per item No. 32 above but size 300mm x 300mm x 50mm.

Supply only PVC insulated single core copper conductor cable of size 16 sqmm for connections in LT Panels, complete all as specified and as directed.

Supply only PVC insulated single core copper conductor cable of size 25 sqmm for connections in LT Panels ,complete all as specified and as directed.

Supply only solid state single phasing preventer type VSP2 complete all as specified and as directed.

Supply only solid state single phasing preventer type VSP3 complete all as specified and as directed.

Supply only aluminium lugs for cable of cross sectional area 10 Sqmm complete all as specified and as directed.

Supply only aluminium lugs for cable of cross sectional area 16 Sqmm complete all as specified and as directed.

Supply only aluminium lugs for cable of cross sectional area 25 Sqmm complete all as specified and as directed.

Supply only aluminium lugs for cable of cross sectional area 35 Sqmm complete all as specified and as directed.

Supply only aluminium lugs for cable of cross sectional area 75 Sqmm complete all as specified and as directed.

Supply only aluminium lugs for cable of cross sectional area 95 Sqmm complete all as specified and as directed.

Supply only aluminium lugs for cable of cross sectional area 120 Sqmm complete all as specified and as directed.

Supply only copper lugs for cable of cross sectional area 10 Sqmm complete all as specified and as directed.

Supply only copper lugs for cable of cross sectional area 16 Sqmm complete all as specified and as directed.

Supply only copper lugs for cable of cross sectional area 25 Sqmm complete all as specified and as directed.

Supply only Refrigerator Gas R-22 complete all as specified & as directed.

Supply only Refrigerator Gas R-134A complete all as specified & as directed.

Supply only Compressor Oil N-68 complete all as specified & as directed.

Supply only star/delta timer range 0-60 seconds, suitable for LT panels, complete all as specified and as directed.

Supply only V-belt of size A-31 complete all as specified and as directed.

-ditto- all as per item No. 53 above but size A-35

-ditto- all as per item No. 53 above but size A-51

-ditto- all as per item No. 53 above but size A-54

-ditto- all as per item No. 53 above but size A-62

-ditto- all as per item No. 53 above but size A-75

-ditto- all as per item No. 53 above but size A-92

-ditto- all as per item No. 53 above but size B-31

-ditto- all as per item No. 53 above but size B-104

-ditto- all as per item No. 53 above but size B-106

-ditto- all as per item No. 53 above but size B-107

SECTION-III

Material and labour for de-scaling condensers of central AC plant 3X8 TR capacity of condenser by opening side plate, flushing the condenser tubes using de-scaling solution, Roding the condenser tubes carefully removing all the deposited materials completely and raising the solution through condenser tubes till clear water starts to come out from the condensers as complete including re-fixing the side plates by replacing gaskets & testing complete for satisfactory working at HQ Delhi Area Signal Centre complete all as specified and as directed.

-ditto- all as per item No. 65 above but Capacity of 3 X 115 TR at HQ CAMS.

-ditto- all as per item No. 65 above but Capacity of 2 X 220 TR at DGIS.

Material and labour for leakage detection of chiller and condensor pipe lines by charging dry Nitrogen Gas and with standing pressure for 24 hours, rectification of leakages, evacuation of the system as per manufacturer’s instruction for capacity of 3x8 TR AC plant at HQ Delhi Area Signal Centre complete all as specified and as directed. Note :- The rates quoted by the contractor shall deemed to include the cost of Nitrogen gas, charges for T&P and empty cylinders.

-ditto- all as per item No. 68 above but Capacity of 3 X 115 TR at HQ CAMS.

-ditto- all as per item No. 68 above but Capacity of 2 X 220 TR at DGIS.

Disconnecting from mains/taking out existing unserviceable/defective motor of capacity 7.5 to 10 HP of any type, and make including disconnecting all electrical connections removing from foundation transporting to repair workshop disconnecting unserviceable burn out winding completely including insulating materials and rewinding of the complete stator with super enameled copper wire of existing size, applying proper insulation ‘F’ class varnish drying in oven, assembling, transporting back to site, re-installating, testing and commissioning complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in repair sheet metal enclosure DB SPN 240 volts 8 way double door type, 230 volts with 200 amps rated bus bar with IP43 protection for fixing MCB's, including taking down old unserviceable one (including old MCB's of any size/ capacity), complete all as specified and as directed.

Supply and fixing in repairs MCB SPN 240 volts 6 to 32 Amps, 10 kA, 'B' curve complete all as specified and as directed.

Supply and fixing in repairs MCB TP 240 volts 6 to 32 Amps, 10 kA, 'C' curve complete all as specified and as directed.

Supply and fixing in repairs MCB TP 240 volts 40 Amps, 10 kA, 'C' curve complete all as specified and as directed.

Supply and fixing in repairs MCB TP 240 volts 63 Amps, 10 kA, 'C' curve complete all as specified and as directed.

Supply and fixing in repair switch disconnector fuse unit for Din type fuse FNX 200 TPN/FP complete all as specified and as directed.

Supply and fixing in repair switch disconnector fuse unit for Din type fuse FNX 250 TPN/FP complete all as specified and as directed.

Material and labour for taking out the old u/s exhaust fans upto 400mm sweep from various substations/locations and cutting the worn out windings and rewinding the same with suitable guage copper wire, including capcitor of suitable capacity, any other repair work required, including painting with two coats of synthetic enamel paint (1st grade quality) through spray machine of existing tint/colour complete all as specified and as directed.

Material and labour for servicing of AHU unit including cleaning of bottom tray and painting inside the tray with one coat of marine anti-corrosive paint over a coat of red oxide primer, cleaning of cooling oil complete with high pressure detergent solution without damaging cooling coils, checking aligning and tightening of blower fan, greasing of all movable parts, replacement of worn out bolts, nuts shaft keys etc for capacity of 3x8 TR AC plant at HQ Delhi Area Signal Centre complete all as specified and as directed.

-ditto- all as per item No. 80 above but Capacity of 3 X 115 TR at HQ CAMS.

-ditto- all as per item No. 80 above but Capacity of 2 X 220 TR at DGIS.

Supply and fixing of suction filter in repairs for Compressor including taking down old one complete all as specified and as directed.

Supply & fixing in repairs integral LED street light fitting 45 watts comprising pressure die cast housing with powder coated aluminium housing working as a heat shrink and toughened glass suitable fixing with GI pipe bracket and pre-wired including necessary electric connection from ceiling rose to light fitting complete all as specified and as directed. Note:- GI bracket along with clamp, nut & bolts shall be measured and paid seperately under relevent item.

Supply & fixing PVC insulated twin core copper conductor cable of size 2.5 sqmm for connection of street light fittings including taking down old unserviceable one complete all as specified and as directed.

Supply & fixing in repairs brass terminals upto 10 ways complete all as specified and as directed.

Supply & fixing in repairs start and stop reset button unit assembly for motor starters complete all as specified and as directed.

Material and labour for sub main wiring with two runs of single core 4 Sqmm (nominal area) PVC insulated copper conductor FRLS (conforming to IS-694), stranded, unsheathed 1100 volts grade in PVC casing caping (medium grade) of adequit size with all fittings and accessories surface type including one run 4 Sqmm single core unsheathed stranded copper conductor cable FRLS (conforming to IS-694) as earth wire, including taking down old unserviceable one of any type and any size ( including wooden batten, PVC conduit or casing caping), complete all as specified and as directed.

Material and labour for sub main wiring with two runs of single core 6 Sqmm (nominal area) PVC insulated copper conductor FRLS (conforming to IS-694), stranded, unsheathed 1100 volts grade in PVC PVC casing caping (medium grade) of adequit size with all fittings and accessories surface type including one run 6 Sqmm single core unsheathed stranded copper conductor cable FRLS (conforming to IS-694) as earth wire, including taking down old unserviceable one of any type and any size ( including wooden batten, PVC conduit or casing caping), complete all as specified and as directed. {Note for item No. 88 & 89:- (i) Two runs of cable with one run earth wire and PVC casing caping shall be measured as one unit length. (ii) Extra length of cable required for connection to DBs shall be deemed to be included in the unit quoted rate and shall not be measured separately. (iii) Earth wire shall run inside the casing caping. (iv) Suitable color code of wire must be ensure for phase/ neutral/ earth.}

Supply and fixing in repair of AHU Shaft bearing No. P-207/ P-208 as per site requirement complete all as specified and as directed.

Supply and fixing in repairs of bottom tray for fan and coil section made out of MS sheet 1.6mm thick duly painted with two coats of synthetic enamel paint (1st grade quality) through spray machine o over a coat of red oxide chrome primer with 25mm thick thermocol insulation covered with tarfelt for AHU complete all as specified and as directed.

Supply and fixing in repairs of 3 Way actuator valve for Central AC plant at HQ DGIS complete all as specified & as directed.

Supplying and fixing in repairs Fire Extinguisher Carbon dioxide (CO2) extinguishers consisting of welded M.S. cylindrical body, light weight squeeze lever discharge valve fitted with pressure indicating gauge with internal discharge tube, discharge nozzle suspension bracket of capacity 4.5 Kg as per IS: 2878 complete with holding accessories including taking down old unserviceable one complete all as specified & as directed .

-ditto- all as per item No. 93 above but CO2 of capacity 6 Kg.

Supply and fixing in repairs of brass safety valve complete suitable for compressor complete all as specified and as directed.

Supply and fixing in repairs of brass safety valve complete suitable for compressor complete all as specified and as directed.

Supply and fixing in repairs of brass auto capacity regulator solenoid valve of size 6mm x 6mm x 6mm of 220V, 50 Hz, including connecting to inter rack with nut, bolts, washer, etc. complete all as specified and as directed.

Supply and fixing in repairs of brass condenser safety (pressure relief) valve 15mm dia, Normal Pressure Temperature (NPT) complete all as specified and as directed.

Material and labour for dismantling the existing motors of any capacity, model and make, dismantling the existing angle iron frame/stands of motors, fabrication of new angle iron frame/stand of existing size suitable for placing the existing motors, including welding works, grouting legs with PCC 1:2:4 type B1(using 20mm graded stone aggregates) in the existing foundations, including foundation bolts, nuts and washers, re-mounting the motor on the new stand making all connections and testing for satisfactory working complete all as specified.

Material and labour for insulation of pipe line( minimum dia of pipe 100mm & maximum dia 250mm) with 13mm thickness closed cell chemically cross linked fire retardant polyethllene foam insulation type W3CF2 of density 30 Kg/cum and covered with aluminium foil complete with application of rubber based adhesive including taking down unserviceable old one complete all as specified and as directed.

Supply and fixing in repairs cast iron Y strainer flanged ends with SS perforated sheet screen of size 80mm complete all as specified and as directed.

Supply and fixing in repairs cast iron Y strainer flenged ends with SS perforated sheet screen of size 150mm complete all as specified and as directed.

Supply and fixing in repairs cast iron Y strainer flenged ends with SS perforated sheet screen of size 200 mm complete all as specified and as directed.

Supply, assemble and errection of ducting, made up of GI Sheets of 1mm (20 guage) thickness as in Air Condition Ducting including fabrication for required size, patch work, fixing on walls, roofs or ceiling or in existing iron frame work including all accessories such as Corner, Cleat, Carriage bolt, Gasket, lap joint, welding, reverting and appropriate sealant on longitudinal joints etc., including taking down of old unserviceable one (including old/unserviceable duct insulation), complete all as specified and as directed.

Material and Labour for 50mm thick fibre glass wool insulation in existing ducts of AC plants bonded with Aluminium foil, including wraping, pasting complete and cover the insulation one side with GI wire Mess netting after cleaning the duct surface (to be insulated ) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage, complete all as specified and as directed.

Material and Labour for frame work with angle iron for frame support, with fabrication, welding joining including cutting tops to shape as directed, drilling holes, notching for wire, etc.; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work conforming to Fe-290 Gde E-165 including taking down old unserviceable one complete all as specified and as directed.

Supply and fixing in repairs Expansion valve driver for scroll type compressor of capacity 110 TR complete all as specified and as directed.

Dismantling the old broken fan hub assembly including blades of cooling tower and replacement with new fan hub assembly with dry cast aluminium blades heavy duty as per existing size including U-clamps, nuts, bolts & washers suitable for cooling tower of 240 TR capacity, complete all as specified and as directed.

Dismantling the old broken fan hub assembly including blades of cooling tower and replacement with new fan hub assembly with dry cast aluminium blades heavy duty as per existing size including U-clamps, nuts, bolts & washers suitable for cooling tower of 220 TR capacity, complete all as specified and as directed.

Supply and fixing in repairs of Rubber Tyre Coupling (TC-19) chiller/ condensor/ compressor motor complete all as specified and as directed.

Supply and fixing in repairs of Rubber Tyre Coupling (TC-14) set for chiller / condensor pump motor complete all as specified and as directed.

Supply and fixing in repairs of Rubber Tyre Coupling (TC-13) set for chiller / condensor pump motor complete all as specified and as directed.

Supply and fixing in repairs indicator lamp assembly complete LED type suitable for the existing system supply voltage 230V / 440V AC complete all as specified and as directed.

Disconnecting from mains/taking out existing unserviceable/defective Monoblock Pump set upto 10 HP Capacity and repair/ replacement of bushings, worn out nuts, bolts washers, gaskets, gland etc and positioning the pump set and connecting up in existing position and testing complete all as specified and as directed.

Disconnecting from mains/taking out existing unserviceable/defective centrifugal pump upto 30 HP of Central AC Plant, opening the pump, checking the impeller for any defects rectifying the defects, replace the worn out baring of the impeller, stuffing box, back plates, gland packing mechanical seal and rusted nut, bolts etc assembling properly, greasing all movable parts and connecting up in existing position and testing complete all as specified and as directed.

Disconnecting from mains/taking out existing unserviceable/defective centrifugal pump of capacity above 30 HP but not more than 60 HP of Central AC Plant, opening the pump, checking the impeller for any defects, replace the worn out baring ring of the impeller, stuffing box, back plates, gland packing mechanical seal and rusted nut, bolts etc assembling properly, greasing all movable parts and connecting up in existing position and testing complete all as specified and as directed.

M&L for machining,grinding and polishing of crank shaft and making the crank shaft suitable for normal running and matching the dia to the main bush and connecting rod and bearings for the compressor of model No. WCDR1200MNS, Make:Voltas of capacity 115 TR complete all as specified and as directed.

M&L for machining,grinding and polishing of crank shaft and making the crank shaft suitable for normal running and matching the dia to the main bush and connecting rod and bearings for the compressor of model No.SMC 3-65 Make:Accel of capacity 8 TR complete all as specified and as directed.

Supply and fixing in repairs Brass thermostatic expansion valve suitable for compressor of capacity 8 TR of make ACCEL Model 3-65 complete all as specified and as directed.

Supply and fixing in repairs Brass thermostatic expansion valve suitable for compressor of capacity 110 TR of make Bluestar Model No. LCWX2-220DEF complete all as specified and as directed.

Supply and fixing in repairs Brass thermostatic expansion valve suitable for compressor of capacity 115 TR of make Voltas Model No. WCDR1200MNS complete all as specified and as directed.

Supply and fixing in repairs Water temperature sensor suitable bluestar scroll type chiller units of 110 TR as per existing model and make complete all as specified and as directed.

M&L labour for taking out the existing unserviceable PCB of the Central Type AC Plant of capacity 115 TR of make Voltas, transporting to authorised repair workshop carrying out the necessary repair re-assembling with the control panel of AC plant testing for staisfactory working complete all as specified and as directed.

M&L labour for taking out the existing unserviceable PCB of the Central Type AC Plant of capacity 220 TR of make Bluestar transporting to authorised repair workshop carrying out the necessary repair re-assembling with the control panel of AC plant testing for staisfactory working complete all as specified and as directed.

Supply and fixing in repairs of Digital type Voltage Protection Device (VPD) suitable for 115 TR & 220TR complete all as specified and as directed.

Supply and fixing in repairs of Digital type Motor Protection Device (MPD) suitable for 115 TR & 220TR complete all as specified and as directed.

Overhauling, testing and commisioning of open type reciprocating compressor for model No. SMC 3-65 Make:Accel of capacity 8 TR. Overhauling including disconnecting/ dismantling of suction and discharge valves, side covers other control accessories. Shifting the faulty compressor parts to the contractors workshop for certain required repairs. Refixing the repaired/Replaced parts in its original position under supervision of site-in-charge complete all as specified and as directed. Note:- (i) Required Spare parts to be replaced during overhauling shall be measured and paid seperatly as 'Supply only' under relevent items. (ii) Transportation charge & labour charges for taking down old spares and fixing of new spares shall deemed to be included in quoted rate.

Supply only the following spare parts for the compressor model SMC 3-65 Make : Accel:-

Shaft seal assembly.

Liner with suction valve.

Piston.

Main bush complete set of two.

Gasket set for SMC 3-65.

Discharge valve.

Suction and discharge reed.

Piston ring set.

Piston pin with lock.

CR Brass bushes.

Oil filter.

Suction strainer.

Oil pump for 9 TR compressor.

Rocker.

Rocker cup.

Spring holder.

Spring.

Cup washer.

Manual capacity regulator.

Magnetic plug assembly.

Half section bearing.

Connecting rod. Note for item No 129.01 to 129.22 :- (i) Labour charges of item Nos. 129.01 to 129.22 are deemed to be included in the quoted rate in item No. 128 here-in-before. (ii) Make of item Nos. 129.01 to 129.22:- ACCEL.

Overhauling, testing and commisioning of open type reciprocaing compressor of capacity 115 TR, Model No. WCDR1200MNS. Make:Voltas. Overhauling including disconnecting/ dismantling of suction and discharge valves, side covers other control accessories. Shifting the faulty compressor parts to the contractors workshop for certain required repairs. Refixing the repaired/Replaced parts in its original position under supervision of site-in-charge complete all as specified and as directed. Note:- (i) Required Spare parts to be replaced during overhaluing shall be measured and paid seperatly as 'Supply only' under relevent items. (ii) Transportation charge & labour charges for taking down old spares and fixing of new spares shall deemed to be included in quoted rate.

Supply only the follwing spare parts for the compressor of capacity 115 TR, Model No. WCDR1200MNS. Make : Voltas :-

Shaft seal assembly.

Liner.

Piston.

Main bush.

Gasket set for Voltas make compressor of capacity 115 TR.

Suction and discharge reed.

Piston ring set.

Piston pin with lock.

Half section bearings.

Connecting rods.

Brass bushes for connecting rods.

Oil strainer.

Oil pump for 115 TR compressor. Note for item No 131.01 to 131.13 :- (i) Labour charges of item Nos. 131.01 to 131.13 are deemed to be included in the quoted rate in item No. 130 here-in-before. (ii) Make of item Nos. 131.01 to 131.13:- VOLTAS.

Material and labour for Overhauling and repairing of any size refrigerant suction/ delivery liquid line valve including servicing of valve, replacement of packing material, sealing rings, Teflon washers and testing complete all as specified and as directed.

Supply and fixing in repairs thermostat suitable for central type A/C Plants Range 5 to 25°C complete all as specified and as directed.

Suppy & fixing in repairs Low pressure control /cut off switch type MP-1 complete all as specified and as directed.

Suppy & fixing in repairs High pressure control / cut off switch type MP-5 complete all as specified and as directed.

Suppy & fixing in repairs Oil pressure control / cut off switch type MP-55 complete all as specified and as directed.

Disconnecting from mains/taking out existing unserviceable/defective motor of capacity 25/30 HP of any size, type, and make including disconnecting all electrical connections removing from foundation transporting to repair workshop disconnecting unserviceable burn out winding completely including insulating materials and rewinding of the complete stator with super enameled copper wire of existing size applying proper insulation ‘F’ class varnish drying in oven, assembling, transporting back to site, re-installating, testing and commissioning complete all as specified and as directed.

Disconnecting from mains/taking out existing unserviceable/defective motor of capacity 50/60 HP of any size, type, and make including disconnecting all electrical connections removing from foundation transporting to repair workshop disconnecting unserviceable burn out winding completely including insulating materials and rewinding of the complete stator with super enameled copper wire of existing size applying proper insulation ‘F’ class varnish drying in oven, assembling, transporting back to site, re-installating, testing and commissioning complete all as specified and as directed.

Disconnecting from mains/taking out existing unserviceable/defective motor of capacity 150 HP of any size, type, and make including disconnecting all electrical connections removing from foundation transporting to repair workshop disconnecting unserviceable burn out winding completely including insulating materials and rewinding of the complete stator with super enameled copper wire of existing size applying proper insulation ‘F’ class varnish drying in oven, assembling, transporting back to site, re-installating, testing and commissioning complete all as specified and as directed.

Supply and fixing in repairs bakelite terminal plate including brass studs, bolts and nuts etc suitable to match any make of 3 phase electric motors and capacity up to 30 HP complete all as specified and as directed.

Supply and fixing in repairs bakelite terminal plate including brass studs, bolts and nuts etc suitable to match any make of 3 phase electric motors and capacity above 30 HP but not more than 60 HP complete all as specified and as directed.

Supply and fixing in repairs bakelite terminal plate including brass studs, bolts and nuts etc suitable to match any make of 3 phase electric motors and capacity above 60 HP but not more than 150 HP complete all as specified and as directed.

Supply and fixing in repairs Porcelain /bakelite terminal bush suitable for terminal boxes of 3 phase motors upto 60 HP capacity complete all as specified and as directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, armoured, electric power cables (heavy duty) 1100 Volts grade with aluminium conductor of cross sectional area 185 Sqmm, 3 ½ core with galvanized steel strip or wire including taking down old unserviceable one complete all as specified and as directed.

`-ditto- all as per item No. 144 above but cross sectional area 150 Sqmm, 3 ½ core.

`-ditto- all as per item No. 144 above but cross sectional area 70 Sqmm, 3 ½ core.

`-ditto- all as per item No. 144 above but cross sectional area 35 Sqmm, 3 ½ core.

`-ditto- all as per item No. 144 above but cross sectional area 16 Sqmm, 4 core.

Supply, laying and testing cable XLPE Insulated, electric power cables (heavy duty) 1100 Volts grade with copper conductor of cross sectional area 25 Sqmm, single core, including taking down old unserviceable one complete all as specified and as directed.

Supply and fixing in repairs DOL starters for motors upto 7.5 HP capacity with suitable rating relay, suitable for mounting on existing LT Panels of AC plants and connections with suitable size single core copper conductor wire complete all as specified and as directed.

Supply and fixing in repairs DOL starters for motors of 10 HP capacity with suitable rating relay, suitable for mounting on existing LT Panels of AC plants and connections with suitable size single core copper conductor wire complete all as specified and as directed.

Supply and fixing in repairs Star Delta Starter with suitable rating relays for motors upto10 HP Capacity suitable for mounting on existing LT Panels of AC plants and connections with suitable size single core copper conductor wire & brass terminals of 6 way complete all as specified and as directed.

Supply and fixing in repairs Star Delta Starter type ML-2 with suitable relay for motors of 30 HP Capacity suitable for mounting on existing LT Panels of AC plants and connections with suitable size single core copper conductor wire & brass terminals of 6 way complete all as specified and as directed.

Supply & Fixing in repairs miniature circuit breaker (MCB) 6 Amps, single pole (SP), 10 KA 'C' curve complete all as specified and as directed.

Supply & Fixing in repairs miniature circuit breaker (MCB) 32 Amps, 4 Pole, 25 KA 'C' curve complete all as specified and as directed.

Supply & Fixing in repairs MCCB 4 Pole of capacity 63 Amps, 50 Hz, 415V with rupturing capacity of 10 kA including spreader terminals with taking down old unserviceable one complete all as specified and as directed.

Supply & Fixing in repairs moulded case circuit breakers(MCCB) 100 Amps, 4 Pole, 25 KA, thermal magnetic with rotary handle and spreader complete all as specified and as directed.

Supply & Fixing in repairs MCCB 4 Pole of capacity 125 Amps, 50 Hz, 415V with rupturing capacity of 18 kA including spreader terminals including taking down old unserviceable one complete all as specified and as directed.

Supply & Fixing in repairs moulded case circuit breakers(MCCB) 160 Amps, 4 Pole, 25 KA, thermal magnetic with rotary handle and spreader complete all as specified and as directed.

Supply & Fixing in repairs moulded case circuit breakers(MCCB) 200 Amps, 4 Pole, 25 KA, thermal magnetic with rotary handle and spreader complete all as specified and as directed.

Supply & Fixing in repairs moulded case circuit breakers(MCCB) 250 Amps, 4 Pole, 36 KA, thermal magnetic with rotary handle and spreader complete all as specified and as directed.

Supply & Fixing in repairs moulded case circuit breakers(MCCB) 320 Amps, 4 Pole, 36 KA, thermal magnetic with rotary handle and spreader complete all as specified and as directed.

Supply and fixing in repairs thermometer suitable for condenser water line with suitable housing for mounting on pipe line 0-50°C complete all as specified and as directed.

Material and labour for mild steel chequered plates any thickness laid above cable duct conforming to Fe-290 (Gde E-165) including taking down old unserviceable one complete all as specified and as directed.

Dismantling the existing chiller pump motor of any capacity and type from the PCC foundation and material & labour for PCC 1:2:4 type B1 with (using 20mm graded stone aggregate) as per existing size with 15mm thick rendering in CM 1:6 finished even and smooth with out using extra cement, grouting bolts, re-connecting the motor after complete of foundation work and making connections and testing, alignment complete all as specified and as directed.

Disconnecting the defective FRP cooling tower of Cap 220/230 TR and repair the same by replacing defective broken/unserviceable spare parts including repair to minor leakages & assembling, tesing & comminssioning for satisfactory performance complete all as specified & as directed. Note:- (i) Required Spare parts shall be measured and paid seperatly as 'Supply only' under relevent items. (ii) Labour charges for taking down old spares and fixing of new spares shall deemed to be included in unit quoted rate.

-ditto- all as per item No. 166 above but FRP cooling tower of Capacity 8 TR.

Supply only of following spare parts for FRP cooling tower complete all as specified & as directed:-

PVC branch pipe set of 4 Nos dia 100 mm dia as per existing length

Eliminator FRP

PVC fills honey comb

PP spary nozzle P-25

PVC Pipe 63 mm dia 3 Mtr long

PVC End Cap 63 mm

PVC Separator PVC 63 mm dia

PVC Socket

PVC End cap 100 mm

Nut Bolt any size

FRP Compound

PVC Nozzle 40 mm. Note for item No 168.01 to 168.12 :- (i) Labour charges of item Nos. 168.01 to 168.12 are deemed to be included in the quoted rate in item Nos. 166 & 167 here-in-before. (ii) Make of item Nos. 168.01 to 168.12 as approved by Accepting officer.

M&L for preparation of surfaces of Central AC Plant of capacity 2x 220 TR at DGIS, trap door, condensers,chillers,compresors, Induction motors, pumps, hot water boiler, C channels, all pipe lines, valves and outer body of cooling towers and AHU's with different colors following the color code system as directed by the site-in-charge.Job includes removing the old paint by rubbing, brushing and applying one coat of red oxide zinc chrome primer and two coats of Synthetic Enamel Paint (1st grade quality) complete all as specified and as directed.

-diitto- all as per item No. 169 above but Capacity ofAC Plant 3x 115 TR at HQ CAMS.

-diitto- all as per item No. 169 above but Capacity ofAC Plant 3x 8 TR at HQ Delhi Area Signal Centre.

Material & labour for earthing with galvanised steel earth plate electrode of size 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25m deep below the ground level) with top edge of the plate not less than 1.5m below normal ground level, connected to the galvanised earth lead by means of bolts, nuts check nuts and washers of galvanised iron strip of size 32x6 mm as earthing lead as shown in electrical plate No. 3 of SSR Part-I connected to earthing test point all as specified or indicated including testing on completion including necessary excavation and earth work in soft/loose soil, returning filling, disposal of surplus soil, earth pit in PCC 1:3:6 type C-1 using 20mm graded stone aggregate pit, funnel, 20mm dia GI medium grade watering pipe, 40mm dia GI medium grade earth lead protection pipe and pre-cast earth pit cover made of RCC (1:1.5:3) type A1 duly reinforced with 8mm dia TMT bar @150 c/c both ways, one lifting handle made of 10mm dia TMT bar embedded in cover slab and cover, wire, copper lugs etc mesh, chorcoal and common salt in alternate layer of 15cm thick including testing on completion all as specified and as directed. (Note:- Each protection pipe and earth lead upto and including 7.50m length is deemed to be included in unit rate of of this item.)

Supply & fixing of Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drewn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc.as required 32x6 mm galvanised iron strip including taking down old unserviceable one complete all as specified & as directed.

M&L brick work with burnt brick best quality locally available brick old size laid straight or curved on plan to any radius built in cement mortar 1:4, including taking down old unserviceable one complete all as specified and directed

M&L for plastering 10 mm thick on fair faces of brick work in cement mortar 1:4 and finishing the surface even & smooth (without using extra cement), complete all as specified and directed

M&L for Preparation of new plastered surfaces of walls and applying two coats of whitewash complete all as specified and as directed.

Supply and fixing in repairs Compound pressure gauge (Discharge pressure) of size 100 mm dia suitable for 0 to 300 PSI complete all as specified and as directed.

Supply and fixing in repairs Compound suction and Oil pressure gauge of size 100 mm dia suitable for 0 to 150 PSI complete all as specified and as directed.

M & L for servicing of expansion valves of any make and type including checking, adjusting the power element for smooth functioning including replacement of defective Teflon Washers, ‘O’ rings etc seats complete all as specified and as directed.

Supply and fixing in repairs cast iron butter fly valves lever operated SS disc type nitrile/EPDM rubber lining PN 16 of dia 65mm complete all as specified and as directed.

-ditto- all as per item No. 180 above but 80mm dia.

-ditto- all as per item No. 180 above but 100mm dia.

-ditto- all as per item No. 180 above but 150mm dia.

-ditto- all as per item No. 180 above but 200mm dia.

-ditto- all as per item No. 180 above but 250mm dia.

Supply and fixing in repairs 250 mm dia cast iron non return valves of pressure class PN 1.6 including nuts, bolts, washers, gaskets, etc for Central type AC plants complete all as specifed and as directed.

-ditto- all as per item No. 186 above but 200 mm dia.

-ditto- all as per item No. 186 above but 150 mm dia.

-ditto- all as per item No. 186 above but 100 mm dia.

M&L for 100 mm thick cement concrete type C-2, 1:3:6 ( 40 mm graded aggregate) including finishing surface of concrete topping even and fair ( without using extra cement), and finishing surface of concrete in floors including taking down complete all as specified & as directed.

Supply and fixing in repairs Immersion heaters of cap 6 KW 230/440 volts as required complete all as specified & as directed.

Supply and fixing in repairs strip heater heaters of cap 3 KW 230/440 volts as required complete all as specified & as directed..

M&L for taking out old MS pipes and Supplying & laying , testing & commissioning mild steel (Heavy) 'C' class pipe of size 150 mm dia on exposed surface / underground (in trenches) including welding works, connections with existing chiller/condenser water line, chiller/condenser pump, fabrication of bends, MS flange, tees, reducers, shoe, support ( brick masonry block & wooden support for underground / MS angle- clamp & wooden support for exposed surface ) along with priming coat of steel primer as per standard specification complete all as specified & as directed.. Note:- (i) The rates quoted by the contractor shall deemed to include the cost of MS fittings required during laying of MS Pipes. (ii) The Pipes of sizes 150 mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150 mm shall be heavy class of thickness min. 7mm as per IS: 3589

-ditto- all as per item No. 193 above but of size 200 mm dia

-ditto- all as per item no 193 above but size 250 mm dia

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing) including removing the rubbish off the premises complete all as specified and as directed.

M & L for 15 mm thick screed bed or bedding layer in cement mortar 1:4 for laying floor finishes complete all as specified and as directed.

M & L for Rendering 10 mm thick on fair faces of brick work or concrete surface in CM (1:3), finished even and smooth without using extra cement complete all as specified and as directed.

M & L for light shade vitrified ceramic tiles 10mm thick (square/rectangular) polished, area of each tile exc 0.36 sqm but not exc 0.42 sqm in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match to match the surface of tile complete all as specified and as directed.

Demolition of cement concrete (unreinforced) in ground floors and pavings not exc 15 cm thickness (below or above ground level) complete all as specified and as directed.

M & L for 75 mm thick cement concrete 1:3:6 type C-2, using 40 mm graded stone aggregate as in plinth protection laid to slope of 1:12, finished surface even and fair without using extra cement with and including all necessary form work to divide the area in panels, finishing exposed edges fair or rounding or chamfering where directed and providing 6 mm wide joints through out the thickness of plinth protection duly filled with mastic filling (one part of hot bitumen 85/25 and three part of fine sand by weight) complete all as specified and as directed.

Supplying and fixing clean sawn second class hard wood battens for wall panelling work having sectional area of exc 15 sqcm and not exc 25 sqcm, fixed to walls at 30cm center to center complete all as specified and as directed.

M& L for solid PVC wall lining consisting of 5mm thick plain colour PVC sheet inclusive of solvent cement and fixing at site on PVC/wooden frame as per specification and drawing complete all as specified and as directed.

M & L for 5mm thick PVC sheet fillet of width 35mm for wall panelling inclusive of fixing on to walls to make PVC frame as per specification and drawing complete all as specified and as directed.

Supply and fixing 4mm thick designer ceiling board in ceiling fixed with screw as per manufacturers instructions , laid over and including hot dipped galvanised iron in post grid with 24mm wide T section exposed flanges which shall be powder coated white. The frame work shall comprise of main runner made from 0.33 mm thick galvanised steel sheet of size 24 x 32 x 300 mm spaced at 1200 mm centres securely fixed to the structural soffits by approved hangers at 1200mm maximum centres. Hangers of GI wire 4 mm dia to be fixed by approved rawl plug, level adjusters and screws etc. The last hanger at the end of each main runner shall not be greater than 450 mm from adjacent wall flush fittings of 1200 mm long screws Tee with (double stiching) to interlocked between main runners at 600 mm centre to centre from 1200 x 600 mm modules cross tee longer than 600 mm modules to be formed by fittings 600 mm long cross tee, tee perimeter wall angle shall be of 0.45 mm thick galvanised steel of size 19 x 19 mm and 300 mm long of white colour all as per insturctions including dismantling of existing board with cover fillets etc complete all as specified and as directed.

Flint India

J.P. Enterprises

P S TRADERS

M/s Adhikari construction co.

HONEY COLLECTION