MANNING OPERATION OF AC PLANT FIRE FIGHTING AT WED, TS MAHUL, HQ 31 WEU AND MANKHURD AREA AND REPAIR MAINTENANCE OF AC PLANT AHU, CHILLER PUMP, COOLING TOWER CONTROL PANEL AT WED, HQ 31 WEU THANE, TS MAHUL AND FIRE FIGHTING ALLIED WORK AT WED M

Amount

Manning & Operation of Central AC Plants [Installation consisting of AC Plant of direct expansion type 42 TR capacity having 03 Nos compressors each of 21 TR capacity (02 Nos. working at a time and 01 No. standby) with all connected equipments and machineries as per Serial No 1 of Annexure 'A' to Particular Specifications] round the clock through out the month in three shifts (including Sundays and Holidays) by employing one operator cum AC machenic per shift of eight hours including carrying out routine maintenance and upkeeping the Installation / AC Plants in operation condition complete in all respects as specified and directed :- Location : Store House SSK Building at WED Mankhurd: (i) 1st shift - 0600 hrs to 1400 hrs (ii) 2nd shift - 1400 hrs to 2200 hrs (iii) 3rd shift - 2200 hrs to 0600 hrs Notes for ITEM NOS 01 TO 03: Quoted rates shall also be deemed to include the following elements:- (i) To provide uniform, tools & plants, safety means like glove etc to the employees and also alternative employee (reliever) for Manning and Operation of AC Plants/Installation so that the other employees can avail the facility of weekly leave etc. (ii) To keep the AC Plant Room & allied area in clean and tidy condition during the operation period. (iii) To carryout the routine maintenance, minor repairs, oiling, greasing and to rectify the minor defects to keep the plants / Installation in serviceable condition all as directed by the GE and Engineer-in-Charge. However, the major repairs, replacements, overhauling, gas charging, topping-up oil etc are not included in the scope of the above items. (iv) To keep necessary documentation duly signed by all the concerned. (v) To hand over the entire plant in serviceable condition at the time of completion.vi) Contractor shall submit the details of payment of wages for staff employed through Aadhaar linked bank accounts for payment purpose. (ii)Contribution towards bonus EPF, ESIC the amount is payable only after submission of valid and authentic document in support of having paid the requisite amount to the employed labour

Manning & Operation of Central AC Plants [Installation consisting of AC Plant of direct expansion type 40 TR capacity having 02 Nos compressors each of 20 TR capacity (01 No. working at a time and 01 No. standby) with all connected equipments and machineries as per Serial No 2 of Annexure 'A' to Particular Specifications] round the clock through out the month in three shifts (including Sundays and Holidays) by employing one operator cum AC machenic per shift of eight hours including carrying out routine maintenance and upkeeping the Installation / AC Plants in operation condition complete in all respects as specified and directed :- Location : Store House No. (5 & 6) & (Shed No. 8 & 9) at WED Mankhurd: (i) 1st shift - 0600 hrs to 1400 hrs (ii) 2nd shift - 1400 hrs to 2200 hrs (iii) 3rd shift - 2200 hrs to 0600 hrs

Manning & Operation of Central AC Plants [Installation consisting of AC Plant with chilled water system 76 TR capacity having 03 Nos compressors each of 38 TR capacity (02 Nos. working at a time and 01 No. standby) with all connected equipments and machineries as per Serial No 3 of Annexure 'A' to Particular Specifications] round the clock through out the month in three shifts (including Sundays and Holidays) by employing one operator cum AC machenic per shift of eight hours including carrying out routine maintenance and upkeeping the Installation / AC Plants in operation condition complete in all respects as specified and directed :- Location : WED Mankhurd (DSRV) : (i) 1st shift - 0600 hrs to 1400 hrs (ii) 2nd shift - 1400 hrs to 2200 hrs (iii) 3rd shift - 2200 hrs to 0600 hrs

Manning & Operation of Central AC Plants [Installation consisting of AC Plant with chilled water system 160 TR capacity having 03 Nos compressors each of 80 TR capacity (02 Nos working at a time and 01 No. standby) with all connected equipments and machineries as per Serial No 4 of Annexure 'A' to Particular Specifications] round the clock through out the month in three shifts (including Sundays and Holidays) by employing one operator cum AC machenic per shift of eight hours including carrying out routine maintenance and upkeeping the Installation / AC Plants in operation condition complete in all respects as specified and directed :- Location : 160TR AC Plant TS Mahul: (i) 1st shift - 0600 hrs to 1400 hrs (ii) 2nd shift - 1400 hrs to 2200 hrs (iii) 3rd shift - 2200 hrs to 0600 hrs

Manning & Operation of Central AC Plants [Installation consisting of AC Plant with chilled water system 36 TR capacity having 03 Nos compressors each of 18 TR capacity (02 Nos. working at a time and 01 No. standby) with all connected equipments and machineries as per Serial No 5 of Annexure 'A' to Particular Specifications] round the clock through out the month in three shifts (including Sundays and Holidays) by employing one operator cum AC machenic per shift of eight hours including carrying out routine maintenance and upkeeping the Installation / AC Plants in operation condition complete in all respects as specified and directed :- Location : Rukmani TS Mahul (i) 1st shift - 0600 hrs to 1400 hrs (ii) 2nd shift - 1400 hrs to 2200 hrs (iii) 3rd shift - 2200 hrs to 0600 hrs

Manning & Operation of Central AC Plants [Installation consisting of AC Plant with chilled water system 60 TR capacity having 03 Nos compressors each of 30 TR capacity (02 Nos working at a time and 01 No. standby) with all connected equipments and machineries as per Serial No 6 of Annexure 'A' to Particular Specifications] round the clock through out the month in three shifts (including Sundays and Holidays) by employing one operator cum AC machenic per shift of eight hours including carrying out routine maintenance and upkeeping the Installation / AC Plants in operation condition complete in all respects as specified and directed :- Location :31 WEU THANE (i) 1st shift - 0600 hrs to 1400 hrs (ii) 2rd shift - 2200 hrs to 0600 hrs (iii) 3rd shift - 2200 hrs to 0600 hrs

M & L for dismantling condenser connections for descaling, plugging them and providing 15 mm bore tee outlet for local circulation of mild acid solution in the condenser (separate container and small pump set to circulate mild acid solution shall be used). The PH value of solution shall be 4 and it shall be checked frequently i.e. every 1 hour during the operation. The Scalgun WS solution or equivalent solution as approved by the GE shall be used for discaling purpose. After 2 to 3 hours of cleaning, if the PH value remains less than 7, flush with fresh water added with sodium carbonate. After above process, the end covers shall be opened and condenser tubes shall be cleaned with Nylon brush, subsequently after closing the end covers, circulate mild acid solution as specified above and PH value shall be maintained as above, flushing the same with fresh water including recharging of stored refrigerant upto required pressure complete all as specified and directed for AC Plant of condensor 3 x 80 TR capacity (MTS TS Mahul). Notes: The quoted rates shall also be deemed to include the following elements :- (a) The solution shall be warmed upto 35 Degree Celsius. (b) During the entire process of cleaning, the PH value of water shall be 7. (c) Provision of solution for descaling, rubber gaskets, washers, nuts, bolts etc as directed.

All as per item No.7 hereinbefore but for Condensar of AC Plant of 2 x 40 TR Capacity (Store 5 & 6 WED).

All as per item No.7 hereinbefore but for Condensar of AC Plant of 3 x 30TR Capacity , (Store 8 & 9, WED) & (Sonobway, WED).SSK

All as per item No.7 hereinbefore but for Condensar of AC Plant of 3 x 38TR Capacity DSRV WED

All as per item No.7 hereinbefore but for Condensar of AC Plant of 3 x 18TR Capacity Rukmani Mahul

Disconnecting chiller connection for descaling, providing 2 Nos of 15mm dia tee and plugging for circulating mild acid solution in the chiller (Separate container and small pump set shall be used to circulate mild acid solution with PH value 4). The Scalgun WS/Cleansol or equivalent solution as approved by the GE shall be used for descaling purpose. After 2 to 3 hours of cleaning if the PH value remains less than 7, flush with fresh water added with sodium carbonate till PH value attains to 7 for the chiller connection of AC plants of 3 x 80 TR Capacity (MTS TS Mahul) complete all as specified and directed. Notes: The quoted rates shall also be deemed to include the following elements :- (a) The solution shall be warmed upto 35 Degree Celsius (b) During the entire process of cleaning, the PH value of water shall be 7. (c) Provision of solution for descaling, rubber gaskets, washers, nuts, bolts etc as directed.

All as per item No.12 hereinbefore above but for the chiller connection of AC Plant of 2 x 40 TR Capacity (Store 5 & 6, WED).

All as per item No.12 hereinbefore but for the chiller connection of AC Plant of 3 x 30 TR Capacity (Store 8 & 9, WED) (Sonoboy WED).

All as per item No. 12 hereinbefore but for the chiller connection of AC Plant of 3 x 38 TR Capacity (DSRV WED)

All as per item No. 12 hereinbefore but for the chiller connection of AC Plant of 2 x 38/39 TR Capacity (Rukmani Mahul)

Supply only compressor oil as per requirement, complete all as specified and directed, Make :Servo, HP, BP, Sheetal N-68, Freezol 36

Supply only refrigerant (R-22) gas as per requirement, complete all as specified and directed. Make : MAFRON/FLORON/ REFRON/ FREON Note-: The quantity of the above items shall only be operated to the extent required for topping-up as specified in the relevant other connected items of BOQ.

Supply only refrigerant (R-407C) gas as per requirement, complete all as specified and directed. Make : MAFRON/FLORON/ REFRON/ FREON Note-: The quantity of the above items shall only be operated to the extent required for topping-up as specified in the relevant other connected items of BOQ.

Supply and fixing in repair Scrooll Compressor make Denfoss 36 TR capacity from the unit after disconnecting electrical wiring & piping connecting nut & bolts etc refixing & installed of scroll compressor 36 TR Capacity and connecting pipe line for existing pipe brazing & electric connecting etc and testing for smooth functioning etc, complete all as specified and directed at Rukmani TS Mahul

Dismantling cooling coil section of AHU for descaling and provision of 2 Nos 15mm tee outlet for local circulation of mild acid solution in the coil. Separate container and small pump set shall be used to circulate mild acid solution with 4 PH value. The Scalgun WS/Cleansol or equivalent solution as approved by the GE shall be used for descaling. If the PH value remains less than 7, flush with fresh water added with sodium carbonate till PH value attains to 7. Refixing the coil section in position, carryout minor repairs including fixing arrangement etc. AHU coil fins shall be cleaned by Scalgun solution by spraying the solution with washing pump upto the required level for 160 TR Capacity of AHU Plant (Mahul).

All as per item No. 21 hereinbefore but for 60 TR capacity (Location : WED )

All as per item No.21 hereinbefore but for 40 TR capacity (Location : WED)

All as per item No.21 hereinbefore but for 38 TR capacity (Location :DSRV WED)

All as per item No.21 hereinbefore but for 36 TR capacity (Location Rukmani Mahul)

Re-winding of 100 HP capacity compressor electric motor 3 phase, 50Hz, 415 Volts of pump set complete all as specified and directed. NOTES: The quoted rates shall also be deemed to include the following elements:- (a) Disconnecting & removing the electric motor from installed position including loading, unloading and transporting to approved workshop. (b) Dismantling the existing burnt winding from the motor including winding with new super enamelled copper winding wire of existing gauge, also including provision of all insulating material such as insulation paper, sleeves, tape, varnish etc complete in all respects for class ’F’ insulation. (c) Transporting the motor back to the location, reinstalling in original position including making alignment, electric connection etc complete, commissioning and testing for 8 hours continuously to check the RPM to the satisfaction of Engineer-in-Charge. (Note : Any damage caused during handling and rewinding etc will be made good by the contractor at his own cost). (d) The existing motors are installed at TS Mahul, WED.

All as per item No. 26 above but 40 HP capacity motor.

All as per item No. 26 above but 20/25 HP capacity motor

All as per item No.26 above but 10 HP capacity motor.

All as per item No. 26 above but 7.5 HP capacity Motor.

All as per item No. 26 above but 5 HP capacity Motor.

All as per item No. 26 above but 3 HP capacity Motor.

Supply and fix in repairs automatic capacity control pilot solenoid valve suitable for the liquid line of AC Plants of various capacity complete all as specified and directed, Make :- Rotex, Avcon, SPORLAN, DANFOSS.

M & L for thermal insulation over 150mm bore chiller water piping with 50mm thick fibre glass wool, crown 150 and of density 24 Kg/Cum, the glass wool shall be covered with and including 24 SWG aluminium sheet cladding, complete all as specified and directed, Make: Lloyd's / TWIGA/ FGP Ltd.

All as per item No. 34 above but over 80mm bore chiller water piping

All as per item No. 34 above but over 50mm bore chiller water piping

Dismantling of Monoblock pump of under mentioned capacities from connected suction/delivery pipes and electric connections etc, taking to workshop, overhauling of the same and replacing unserviceable spares/parts/components, cleaning of impeller, greasing reassembling, bringing providing paking necessary nuts & bolts etc and reconnecting, recommissioning and testing for smooth functioning. Location : WED, & TS Mahul. (Notes: Cost of all the elements (material cost as well as labour cost) for making the pumps completely functional except the following shall be deemed to be included in the quoted ratess: (a) Supply only spares included under item Nos. 38.01 to 38.12 hereinafter.

40 HP Capacity

20/25 HP Capacity

10 HP Capacity

7.5 HP Capacity

Supply only following spares /components/parts for monoblock pump set all as specified and directed :-

Gun metal bushes for 40 HP capacity

Gun metal bushes for 20/25 HP capacity

Gun metal bushes for 10 HP capacity

Gun metal bushes for 7.5 HP capacity

Gland packing set for 40 HP capacity

Gland packing set for 20/25 HP capacity

Gland packing set for 10 HP capacity

Gland packing set for 7.5HP capacity

Bearing for 7.5 HP capacity Make : SKF, TATA, NBC

Bearing for 10HP capacity Make : SKF, TATA, NBC

Water seal packing for 7.5 HP capacity

Water seal packing for 10 HP capacity

Taking down AC Plant compressor reciprocating type model SMC-4-65 of ACCEL Make by dismantling complete assembly, after pumping down refrigerant R-22,overhauling the compressor including replacement of unserviceable spares, also including machining of crank shaft bearing, polishing, replacing of gaskets packing, reassembly and recharging of pumped down Refrigerant, also charging of additional refrigerant upto the required pressure & topping up if required to maintain the required standing charged pressure of compressor oil, testing for smooth functioning etc, complete all as specified and directed. Location : SSK Store House (Note: Cost of all the elements (material cost as well as labour cost) for making the compressors completely functional except the following shall be deemed to be included in the quoted rates : (a) Supply only additonal refrigerant required for recharging of pumped down refrigerant, if required. (b) Supply only compressor oil for topping up, if required.

Supply only following spares for compressor reciprocating type model SMC- 4-65, Make : ACCEL :

Crank shaft duly remetalised, grinded, polished and made to size to match with the existing.

Piston rings Cat No. N-5959

Piston Cat No. V-6138

Piston Pin Cat No. F-6701

Piston Oil rings Cat No. B-1470

Connecting rod bearing Cat No. F-8363

Main bearing (Set of two) Cat No. F-6085A

Liner assembly Cat No. F-8371

Oil pump assembly Cat No. V-6166

Rocker arm Cat No. F-7152

Loader/unloader spring Cat No. F-6085

Suction valve reeds Cat No. F-6080

Discharge valve reeds Cat No. F-7399

Oil filter Cat No. V-6168

Suction Filter Cat No. V-6132

Oil pressure regulating valve Cat No. F-8368

Gasket set of make Neopene or equivalent as appoved by the GE

Compressor safety valve Cat No. V-8759

Shaft seal assembly, Cat No. V-8405

Piston sleeves bushing with collars, Cat No. V-8783 Note : The quantity of item Nos 40.01 to 40.20 shall be operated only to the extent required replacement for compressors under item No. 39.00 here-in-before. Unless othewise spcified in the BOQ, these shall be of make ACCEL & of mentioned Cat No in the BOQ and shall be suitable for the compressors under item No 39.00 all as directed and approved by the GE.

Taking down AC Plant compressor reciprocating type model SMC- 8-100 of ACCEL Make by dismantling complete assembly after pumping down refrigerant R-22,overhauling the compressor including replacement of unserviceable spares, also including machining of crank shaft bearing, polishing, replacing of gaskets packing, reassembly and recharging of pumped down Refrigerant, also charging of additional refrigerant upto the required pressure & topping up if required to maintain the required standing charged pressure of compressor oil, testing for smooth functioning etc, complete all as specified and directed. Location : TS Mahul (Note: Cost of all the elements (material cost as well as labour cost) for making the compressors completely functional except the following shall be deemed to be included in the quoted rates : (a) Supply only additonal refrigerant required for recharging of pumped down refrigerant, if required. (b) Supply only compressor oil for topping up, if required.

Supply only following spares for compressor reciprocating model SMC- 8-100, Make : ACCEL :

Crank shaft duly remetalised, grinded, polished and made to size to match with the existing, Cat No. F-7713

Piston Cat No. F-6503

Piston Oil rings Cat No.F-6523

Main sealing bearing (Set of two) Cat No. F-7276

Liner assembly Cat No. F-7167

Oil pump assembly Cat No. F-6501

Rocker arm Cat No. F-7166

Loader/unloader spring Lock Cat No. F-7277

Piston sleeves bushing with collar, Cat No. F-7165

Suction valve reeds Cat No. F-8162

Discharge valve reeds Cat No. F-6504

Oil filter Cat No. F-7796

Suction Filter Cat No. F-7167

Oil pressure regulating valve Cat No. F-6507

Connecting rod bearing Cat No. F-7164

Gasket set of make Neopene or equivalent as appoved by the GE

Compressor safety valve Cat No. F-7278

Shaft seal assembly, Cat No. F-7646 Note : The quantity of item Nos 42.01 to 42.18 shall be operated only to the extent required replacement for compressors under item No. 41.00 here-in-before. Unless othewise spcified in the BOQ, these shall be of make ACCEL & of mentioned Cat No in the BOQ and shall be suitable for the compressors under item No 41.00 all as directed and approved by the GE.

M & L for preparation of old painted steel surfaces of AC Plant including scraping, cleaning and applying two coats of synthetic enamel paint of approved shade & colour over a coat of red oxide primer including marking and writing SM & MES No/ letters, other details etc. complete all as specified and directed for AC plants of following capacities:-

3 x 80 TR Capacity (Location -MTS, TS Mahul)

3 x 30 TR Capacity (Location -Sonobuoy, WED)

3 x 21 TR Capacity (Location -SSK Store, WED)

2 x 40 TR Capacity (Location -Store 5 & 6, WED)

3 x 18 TR Capacity (Location -Rukmani Mahul)

Pumping down the existing refrigerant from the plant of 80 TR capacity, carrying out the leakage testing of plant with the pressure of Nitrogen gas and monitoring for 24hrs to assess leakages, rectification of leakage by brazing & replacement of necessary gaskets wherever required, vacumizing of the plant by vaccum pump and keep-it upto 24 hours for testing and rectification of leakages if any, finally recharging of existing refrigerant gas to the plant and topping up of refrigerant if required to maintain the standard pressure etc complete including testing of the plant for smooth functioning complete all as specified & directed. Location : TS Mahul

Pumping down the existing refrigerant from the plant of 38 TR capacity, carrying out the leakage testing of plant with the pressure of Nitrogen gas and monitoring for 24hrs to assess leakages, rectification of leakage by brazing & replacement of necessary gaskets wherever required, vacumizing of the plant by vaccum pump and keep-it upto 24 hours for testing and rectification of leakages if any, finally recharging of existing refrigerant gas to the plant and topping up of refrigerant if required to maintain the standard pressure etc complete including testing of the plant for smooth functioning complete all as specified & directed. Location : RUKMANI Mahul

Pumping down the existing refrigerant from the plant of 40 TR capacity, carrying out the leakage testing of plant with the pressure of Nitrogen gas and monitoring for 24hrs to assess leakages, rectification of leakage by brazing & replacement of necessary gaskets wherever required, vacumizing of the plant by vaccum pump and keep-it upto 24 hours for testing and rectification of leakages if any, finally recharging of existing refrigerant gas to the plant and topping up of refrigerant if required to maintain the standard pressure etc complete including testing of the plant for smooth functioning complete all as specified & directed. Location : WED

Pumping down the existing refrigerant from the plant of 30 TR capacity, carrying out the leakage testing of plant with the pressure of Nitrogen gas and monitoring for 24hrs to assess leakages, rectification of leakage by brazing & replacement of necessary gaskets wherever required, vacumizing of the plant by vaccum pump and keep-it upto 24 hours for testing and rectification of leakages if any, finally recharging of existing refrigerant gas to the plant and topping up of refrigerant if required to maintain the standard pressure etc complete including testing of the plant for smooth functioning complete all as specified & directed, Location : , WED & NAD. Notes : (i) Refrigerant required for topping up will be measured and paid seperately as supply only under relevant item. (ii) These items are not applicable for the compressors considered in Item No. 40 & 42

S & F in replacement loader / Unloader coil 230 Volt, 50HZ for solenoid valve suitable for compressor SMC 6-65 / 8- 65 Model, Make : ACCEL

All as per item No. 48 above but for SMC 8-100, Make ACCEL.

Taking down existing unserviceable Shaft Seal assembly and in lieu S & F new Shaft Seal Assembly of Make ACCEL including tear gasket, nuts, bolts, washers etc. and testing for leakage of refrigerant suitable for 75/80 TR Capacity chiller unit, Make -ACCEL, complete all as specified and directed.

All as per item No. 50 hereinabove but Shaft seal Assembly of Make -ACCEL for 30/40 TR capacity chiller unit

All as per item No. 50 hereinabove but shaft seal Assembly of Make -ACCEL for 15/21/18 TR Capacity chillar unit of Make ACCEL. Notes for item Nos 39.00 to 42.18 : (i) Topping up of refrigerant is not included in the scop of above item. (ii) These items are not applicable for the compressor considered in item Nos 40 & 42.

S & F in replacement unserviceable worn out 'V' belt of model B-107 of make Fenner or equivalent in Nirlon/Dunlop as approved by the GE for Compressor/ AHU etc. complete all as specified and directed. SSK WED

S & F in replacement unserviceable worn out 'V' belt of model C-114 of make Fenner or equivalent in Nirlon/Dunlop as approved by the GE for Compressor/ AHU etc. complete all as specified and directed. TS Mahul 160 TR

S & F in replacement unserviceable worn out 'V' belt of model C-130 of make Fenner or equivalent in Nirlon/Dunlop as approved by the GE for Compressor/ AHU etc. complete all as specified and directed. Sonobouy

S & F in replacement contactor type ML- 2, 415Volt, 50Hzfor star delta starter for motor of compressor, water pump and chiller pump etc. complete all as specified and directed. Make L & T/ Marline - Garline/ SIEMENS/Schneider

S & F in replacement contactor type ML- 3, 415Volt, 50Hz for star delta starter for motor of compressor, water pump and chiller pump etc. complete all as specified and directed. Make L & T/ Marline - Garline/ SIEMENS/Schneider

S & F in replacement contactor for type ML- 6, 415Volt, 50Hz for star delta starter for motor of compressor, water pump and chiller pump etc. complete all as specified and directed. Make L & T/ Marline - Garline/ SIEMENS/Schneider

Supply only PVC fills of size 600mm x 300mm x 150mm complete all as specified and directed.

Supply only PVC fills of size 600mm x 150mm x 150mm complete all as specified and directed.

M & L for replacement of relay for 100 HP Starter installed in Panel Board of AC Plant Installation, complete all as specified and directed, Make : L & T / SIEMENS.

M & L for replacement of relay for 40 HP Starter installed in Panel Board of AC Plant Installation, complete all as specified and directed, Make L&T / Siemens.

M & L for replacement of relay for 20/25 HP Starter installed in Panel Board of AC Plant Installation, complete all as specified and directed, Make L&T / Siemens.

M & L for replacement of relay for 10 HP Starter installed in Panel Board of AC Plant Installation, complete all as specified and directed, Make L&T / Siemens.

M & L for replacement of relay for 7.5/5 HP Starter installed in Panel Board of AC Plant Installation, complete all as specified and directed, Make L&T / Siemens.

M & L for replacement of relay for 3 HP Starter installed in Panel Board of AC Plant Installation, complete all as specified and directed, Make L&T / Siemens.

M & L for replacement of Timer 800 SD installed in Panel Board of AC Plant Installation, complete all as specified and directed, Make L&T or Siemens

M & L for replacement of Indicator lamp RBY, 230 V, installed in Panel Board of AC Plant Installation, complete all as specified and directed, Make L&T / Siemens/C&S.

Dismantling the existing 30 TR capacity condenser from top of the existing unit, disconnecting the inlet and outlet connections of gas & water, transporting the same to the workshop, opening both flanges, boring, taking out complete existing 95 Nos damaged/choked finned copper tubes each of 1.94 metre long & of size 1/2" dia, replacing all the 95 Nos tubes with new finned copper tube of size 1/2" dia & each of 1.94 metre long, pressure testing at workshop, transporting the repaired condensor to the site,reinstalling at site on the top of existing unit, connecting the inlet & outlet connections, welding,boring etc, pressure testing with nitrogen, vaccumizing, gas charging, testing on load for smooth functioning, complete in all respects, all as specified and directed. (Location: Condenser No. 1 installed in 30 TR AC Plant at Sonobouy) Note: Supply only refrigerent for topping-up shall only be paid for separately to the extent required and ordered.

S & F in repairs pressure gauges HP/LP/OP of following capacities etc. complete with all accessories, as specified and directed, Make : PENN / INDOFOSS / RANCO / DANFOSS / JOHNSON

0 to 16kg./cm2

S & F in repairs for expansion valve suitable for AC plant of 80TR chillar unit, Make ACCEL, complete all as specified and directed, Make: DANFOSS / SPORLAN / RANCO.

All as per item No. 71 above but for AC 30/40 TR chillar unit, Make : ACCEL

All as per item No. 71 above but for AC 15/21/18 TR chillar unit, Make ACCEL

Supply and fix in replacement single phase preventer, type SPPR Type SZ 5 (7 Wire), 380V suitable for existing panel board for AC Plant, complete all as specified and directed, (Make L&T / SIEMENS).

Supply and fix in replacement MVPD, 380/415V suitable for existing panel board for various AC Plant, complete all as specified and directed, (Make L&T / SIEMENS).

Supply and fix in replacement MCCB, FP, 415 V, fixed type of undermentioned capacity complete all as specified and directed : (Make : STANDARD/HAVELLS/INDO-ASIAN)

MCCB 250 Amp, FP, 415-V, breaking capacity 35 KA

MCCB 100 Amp, FP, 415-V, breaking capacity 25 KA

MCCB 63 Amp, FP, 415-V, breaking capacity 16 KA Note for item Nos 76.01 to 76.03: The quoted rates shall also be deemed to include for taking down of existing MCCB's from Panels after disconneting of cable and provision of new MCCB's, reconnecting of cables with and including provision of proper lugs and glands.

Replacement of unserviceable MS pipe, heavy grade of following sizes (condenser water tubing from the cooling tower area) including provision of all fittings, welding and connected works as required for smooth functioning of AC Plants, complete all as specified and directed, Make : TATA/JINDAL :-

150mm bore

100mm bore

80mm bore

65mm bore

50mm bore

Supply, Fabrication, Installation, Testing and Commissioning of ducting for supply/Return made out of GI steel metal 22 gauge, Zinc coated complete with all standard accessories, flanges, G I Hardware, Self Adhesive elastomeric foam gasket, support etc as per IS-655, complete all as specified and directed.

M&L for duct insulation (50mm thick) with resin bonded fibre glass wool roll of density 24 Kg/Cum, with factory laminated aluminium vapour barrier, as specified and including provision of the followings : (a) M&L for cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc to make the surface completely free of miss-scale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage. (b) M&L applying rubber based adhesive CPRX compound. (c) M&L for sealing of all longitudinal joints and circular overlaps with and including aluminium foil tape 50mm wide, to make the insulation leakproof. (d) M&L for securing the insulation with and inculding mechanically fastened nylon / steel straps of size 50mm wide at maximum intervals of 1.2 metre.

Suply and fix in repairs Cast Iron butterfly valve Class PN-16 including flange, nuts, bolts, rubber, gaskets etc suitable for 50mm bore pipe, complete all as specified and directed.

Suply and fix in repairs Cast Iron butterfly valve Class PN-16 including flange, nuts, bolts, rubber, gaskets etc suitable for 80mm bore pipe, complete all as specified and directed.

Suply and fix in repairs Cast Iron butterfly valve Class PN-16 including flange, nuts, bolts, rubber, gaskets etc suitable for 100mm bore pipe, complete all as specified and directed.

Suply and fix in repairs Cast Iron butterfly valve Class PN-16 including flange, nuts, bolts, rubber, gaskets etc suitable for 150mm bore pipe, complete all as specified and directed.

Suply and fix in repairs Cast Iron Non-return butterfly valve Class PN-16 including flange, nuts, bolts, rubber, gaskets etc suitable for 100mm bore pipe, complete all as specified and directed.

Suply and fix in repairs Cast Iron Non-return butterfly valve Class PN-16 including flange, nuts, bolts, rubber, gaskets etc suitable for 150mm bore pipe, complete all as specified and directed.

Suply and fix in repairs Cast Iron Non-return butterfly valve Class PN-16 including flange, nuts, bolts, rubber, gaskets etc suitable for 80mm bore pipe, complete all as specified and directed. NOTE: Make for items 80 to 86 : KIRLOSKER/LEADER/KARTAR /ZOLOTO/AUDCO/SANT

Repair/installation to 60TR chiller after removing suction / discharge pipe line of gas / water transporting the chiller to workshop, opening both and flange of chiller, cleaning the shell side of chiller and copper tubes with fresh water, pressure testing with water, keeping chiller 24 hrs of pre testing, chocked copper tubes 3/4" 120 nos removed the existing chiller after brazing / welding closing the both end flange with new gasket after changing the nuts and bolts ,pressure testing carried out after changing the tubes, transporting the chiller to site complete with new nuts & bolts in orginal position connecting suction / discharge gas line by welding & brazing, vaccumising the system, pressure testing N2 gas if no leakage found, gas charging with required R22 Insulating the chiller nitrile rubber sheet can chiller body and suction / discharge gas pipeline in orginal position testing the system for smooth functioning all as specified & directed. AC Plants :WED

Supply and Fix Water Flow Switch with Sensor after removing old unservicable water flow switch make Hony well or eqivalant complete all as specified and directed.

Supply and fixing AHU filter dryer core after removing old U/s filter dryer core, Make: DANFOSS

Supply, Fabrication, Installation, Testing and Commissioning of Aluminium cladding on ducting for supply/Return duct.

Manning and operation of water supply installation with all connected equipments, supply lines, machineries and electric driven pump set and Chlorine dosing plants of various capacity pumps, sumps, over head reservior, service tanks with a well trained and experienced operator/technician (01 No/Shift) for 02 shifts, depending availability of water from BMC, including Sundays and Holiday, including routine maintenance checks and upkeeping of installation complete all as specified and directed Location : Mine Wokshop Pump House The details of operation of water supply installations comprising the following items/machinery/fittings:- (i) Operating Monoblock centrifugal Pumping set of capacity 10 HP-02 Sets

Manning and operation of water supply installation with all connected equipments, supply lines, machineries and electric driven pump set and Chlorine dosing plants of various capacity pumps, sumps, over head reservior, service tanks with a well trained and experienced operator/technician (01 No/Shift) for 03 shifts, depending availability of water from BMC, including Sundays and Holiday, including routine maintenance checks and upkeeping of installation complete all as specified and directed Location :DSRV WED Firefighting Pump House The details of operation of water supply installations comprising the following items/machinery/fittings:- (i) Operating Jockey Pumping set of capacity 20 HP-01 Sets (ii) Operating Main Electric fire Pumping set of capacity 167 HP-01 Sets (iii) Operating Diesel Engine Pumping set of capacity 152 HP-01 Sets

Manning and operation of water supply installation with all connected equipments, supply lines,Machineries and electric driven pump set of various capacity pumps, sumps, over head reservior, service tanks with a well trained and experienced operator/technician (01 No/Shift) for 03 shifts, depending availability of water from BMC, including Sundays and Holiday, including routine maintenance checks and upkeeping of installation complete all as specified and directed Location : Location : MOMB Store Bldg Firefighting Pump House The details of operation of water supply installations comprising the following items/machinery/fittings:- (i) Operating Jockey Pumping set of capacity 12.5 HP-01 Sets (ii) Operating Main Electric fire Pumping set of capacity 60 HP-01 Sets (iii) Operating Diesel Engine Pumping set of capacity 69 HP-01 Sets

Manning and Operation of water distribution sluice valves and firefighting sluice valves of various sizes installed at GE(NW) Mankhurd area for employing valve men on all days including Sunday & Holidays as directed by Engineer-in-Charge for the following locations and shifts:- a) Mine Workshop area for water distribution - 01 Shift

Note for item No.95 to 98:- (a) Material such as cotton waste, dress i.e overall combination (navy blue colour), protective clothing, protective shoes, gas mask, gloves, water testing instruments and other instruments etc, as required for maintenance, manning and operation of plant shall be arranged by the contractor from his own sources for which cost of the same shall deemed to be included in the unit rate. No extra amount shall be paid separately on this account. (b) Installation shall be manned including Saturdays, Sunday & Holiday. (c) Proper log sheets for running of the pump to be maintained. (d) Testing of water sample during every water supply delivery time and recording test result in a register and to be get signed by Engr-in-charge. (e) Carry out weekly maintenance of electrical panels installed in pump house and intimate Engr-in-charge immediately for any defects/breakdown/repair required. (f) Carry out tightening of nuts bolts, replace when required, applying gland packing and greasing. (g) The contractor shall be responsible to keep the water supply installation neat and clean on every day. (h) All documentation such as log sheets, daily attendance register shall maintain as per procedure in vogue. (j) If the operator and valve man are found absent from duty, penal recovery shall be made per shift per head are as follows :- (i) Operator - @ Rs 2000 per operation shift per head. (ii) Valve man - @ Rs 1800/- per operation shift per head. (k) Contribution towards bonus EPF, ESIC the amount is payble only after submission of valid and authentic document in support of having paid the requisite amount to the employed labour.

M & L for repair/servicing /overhauling of split cage Centrifugal pump set by opening end covers, greasing the bearings, replacing worn out nut, bolts, gasket, air release valve key, gland stuffing box male/ female set, Rubber bush for the Pump set 167 HP

All as per item No 100 above but Pump set 60 HP

All as per item No 100 above but Pump set 15 to 20 HP

All as per item No 100 above but Pump set 10HP

Fabricate supply and fix valve chamber covers made out of suitable size as directed with MS angle/MS plate/flat/rod, hinges, locking arrangement including painting with two coats of synthetic enamel paint over one coat of red oxide primer including removing existing unserviceable rusted cover all as directed.

Supply and fix in repair Contactor 3-Pole,suitable capacity as per ground requirement upto 25 HP complete all as specified and directed. Make:-Havells/schneider/L&T

Taking up or down steel tubing and connections including cleaning and setting aside for refixing or as schedule of credit, etc complete all as specified and as directed for the 25mm bore pipes including necessary staging/scaffolding as required complete all as specified and directed.

All as per item No 106 above but 40mm bore

All as per item No 106 above but 50mm bore

Supply, lay/fix, connect and testing in repair steel water tubing of 25 mm dia, medium grade, galvanised with screwed and socketed joints, in any length, including supply and fixing all fittings and fixtures, and fixed to wall/ceiling or laid in trenches/floors complete all as specified and directed. Make - TATA, Swastik, Jindal, Prakash, Surya

All as per above item no 109 but of size 40 mm dia

All as per above item no 109 but of size 50 mm dia

S & F in repair cast iron Ball Foot valve 80mm flange type model B-05 (N) conforming to IS with MS nuts bolts, washer, rubber gasket etc., any pattern as approved including taking out/ dismantling old unserviceable one and testing complete all as specified and as directed. Make : KIRLOSKAR/UPADHYAYA/LEADER/NORMEX/VENUS.

All as per above item no 112 but of size 100 mm dia

All as per above item no 112 but of size 150 mm dia

Supply and fix gunmetal hand controlled chromium plated branch pipe 63mm dia with 12.5 mm Nozzle size with male insert provision complete all as specified and directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and not exceeding 10sqm on plan and getting out in hard / dense soil for laying of cables, etc. complete all as specified and as directed.

Returning, filling in, including, spreading, levelling, watering and well ramming in layers not exceeding 25cm deep as in hard / soft soil complete all as specified and as directed.

Removing excavated materials to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point in soil including spreading in low lying area and leveling complete all as specified and as directed.

M&L for PCC foundation 1:2:4 as per site requirement,including form work complete all as specified and directed by engineer-in-charge.

Shree Ayyappa Engineering

shakti engineering and electrical works

sapana enterprises

BRITE INDUSTRIES