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| 1 | M&L for pumping down and transfer existing refrigerant gas of compressor complete for overhauling of compressor, reciprocating type type open type Model No SMC- 4-65 Make : ACCEL 14 Ton capacity and dismantling complete, assembly & replacing of minor unserviceable parts including matching of crank shaft, boring polishing etc. replacing of gaskets packing reassembly and recharging of pumped down refrigerant & topping up if required maintain the required standing pressure charging of compressor oil complete testing for smooth functioning etc complete all as specified and directed by Engineer-in-Charge at Doom Hall.Note: Major spare parts, compressor oil and refrigerant for topping up will be measured and paid seperately. relevant items shall be measure and paid seperately here in after Item No 2.00 to 21.00. |
| 2 | Replacement of the following items for compressor reciprocating type of model SMC-4-65 Make : ACCEL at Doom Hall (a) Piston as per sample |
| 3 | (b) Piston rings |
| 4 | (c) Oil rings |
| 5 | (d) Connecting rod bearing half section |
| 6 | (e) Main end bearing with washer |
| 7 | (f) Liner assembly |
| 8 | (g) Gudgeon pin bush |
| 9 | (h) Rocker arm frame |
| 10 | (j) Rocker arm |
| 11 | (k) Loading unloading ring |
| 12 | (l) Suction valve retaining plate |
| 13 | (m) Suction reeds |
| 14 | (n) Discharge reeds |
| 15 | (o) Oil filter inner |
| 16 | (p) Suction strainer |
| 17 | (q) Oil regulating valve |
| 18 | (r) Discharge valve retaining plate |
| 19 | (s) Crank Shaft |
| 20 | (t) Oil pump Assembly |
| 21 | (u) Connecting rod |
| 22 | All as per item No. 1 above but for ,Make : Voltas Model No ACC WC03000 MNT -01 Nos. 35 TR capacity at COMCEN relevant items shall be measure and paid seperately here in after Item No 23.00 to 42.00 |
| 23 | Replacement of the following items compressor (a) Piston as per sample |
| 24 | (b) Piston rings |
| 25 | (c) Oil rings |
| 26 | (d) Connecting rod bearing half section |
| 27 | (e) Main end bearing with washer |
| 28 | (f) Liner assembly |
| 29 | (g) Gudgeon pin bush |
| 30 | (h) Rocker arm frame |
| 31 | (j) Rocker arm |
| 32 | (k) Loading unloading ring |
| 33 | (l) Suction valve retaining plate |
| 34 | (m) Suction reeds |
| 35 | (n) Discharge reeds |
| 36 | (o) Oil filter inner |
| 37 | (p) Suction strainer |
| 38 | (q) Oil regulating valve |
| 39 | (r) Discharge valve retaining plate |
| 40 | (s) Crank Shaft |
| 41 | (t) Oil pump Assembly |
| 42 | (u) Connecting rod |
| 43 | All as per item No. 1 abovebut for compressor, Make :- Voltas Model No ACC WC04000 MNT, 40 TR capacity at NAD. relevant items shall be measure and paid seperately here in after Item No 43.00 to 63.00 |
| 44 | Replacement of the following items for compressor for Model No ACC WC04000 MNT at NAD (a) Piston as per sample |
| 45 | (b) Piston rings |
| 46 | (c) Oil rings |
| 47 | (d) Connecting rod bearing half section |
| 48 | (e) Main end bearing with washer |
| 49 | (f) Liner assembly |
| 50 | (g) Gudgeon pin bush |
| 51 | (h) Rocker arm frame |
| 52 | (j) Rocker arm |
| 53 | (k) Loading unloading ring |
| 54 | (l) Suction valve retaining plate |
| 55 | (m) Suction reeds |
| 56 | (n) Discharge reeds |
| 57 | (o) Oil filter inner |
| 58 | (p) Suction strainer |
| 59 | (q) Oil regulating valve |
| 60 | (r) Discharge valve retaining plate |
| 61 | (s) Crank Shaft |
| 62 | (t) Oil pump Assembly |
| 63 | (u) Connecting rod |
| 64 | All as per item No. 1 above but for compressor, Make: Voltas, model No. AC WC05000MNT, 50 TR capacity. relevant items shall be measure and paid seperately here in after Item No65.00 to 84.00 |
| 65 | Replacement of the following items for compressor Model No AC WC05000MNT at TPW (a) Piston as per sample |
| 66 | (b) Piston rings |
| 67 | (c) Oil rings |
| 68 | (d) Connecting rod bearing half section |
| 69 | (e) Main end bearing with washer |
| 70 | (f) Liner assembly |
| 71 | (g) Gudgeon pin bush |
| 72 | (h) Rocker arm frame |
| 73 | (j) Rocker arm |
| 74 | (k) Loading unloading ring |
| 75 | (l) Suction valve retaining plate |
| 76 | (m) Suction reeds |
| 77 | (n) Discharge reeds |
| 78 | (o) Oil filter inner |
| 79 | (p) Suction strainer |
| 80 | (q) Oil regulating valve |
| 81 | (r) Discharge valve retaining plate |
| 82 | (s) Crank Shaft |
| 83 | (t) Oil pump Assembly |
| 84 | (u) Connecting rod |
| 85 | All as per item No. 1 above but for compressor complete for overhauling of compressor,Make :- Voltas, Model No. ACWCURO0400MNT, 40 TR capacity.relevant items shall be measure and paid seperately here in after Item No 86.00 to105.00 |
| 86 | Replacement of the following items for compressor Model No. ACWCURO0400MNT at MWC (a) Piston as per sample |
| 87 | (b) Piston rings |
| 88 | (c) Oil rings |
| 89 | (d) Connecting rod bearing half section |
| 90 | (e) Main end bearing with washer |
| 91 | (f) Liner assembly |
| 92 | (g) Gudgeon pin bush |
| 93 | (h) Rocker arm frame |
| 94 | (j) Rocker arm |
| 95 | (k) Loading unloading ring |
| 96 | (l) Suction valve retaining plate |
| 97 | (m) Suction reeds |
| 98 | (n) Discharge reeds |
| 99 | (o) Oil filter inner |
| 100 | (p) Suction strainer |
| 101 | (q) Oil regulating valve |
| 102 | (r) Discharge valve retaining plate |
| 103 | (s) Crank Shaft |
| 104 | (t) Oil pump Assembly |
| 105 | (u) Connecting rod |
| 106 | All as per item No. 1 above but for compressor complete for overhauling of compressor,Make :- Voltas, Model No. ACWC06000MNT, 50 TR capacity.relevant items shall be measure and paid seperately here in after Item No 106.00 to126.00 |
| 107 | Replacement of the following items for compressor Model No. ACWC06000MNT at MOC (a) Piston as per sample |
| 108 | (b) Piston rings |
| 109 | (c) Oil rings |
| 110 | (d) Connecting rod bearing half section |
| 111 | (e) Main end bearing with washer |
| 112 | (f) Liner assembly |
| 113 | (g) Gudgeon pin bush |
| 114 | (h) Rocker arm frame |
| 115 | (j) Rocker arm |
| 116 | (k) Loading unloading ring |
| 117 | (l) Suction valve retaining plate |
| 118 | (m) Suction reeds |
| 119 | (n) Discharge reeds |
| 120 | (o) Oil filter inner |
| 121 | (p) Suction strainer |
| 122 | (q) Oil regulating valve |
| 123 | (r) Discharge valve retaining plate |
| 124 | (s) Crank Shaft |
| 125 | (t) Oil pump Assembly |
| 126 | (u) Connecting rod |
| 127 | Material and labour for disconnecting condenser for descaling & plugging them & providing of 15 mm tee out let for local circulation of mild acid solution in the condenser (separate container and small pump set to circulate diluted acid solution to be used) pH value of solution to be circulated & to be kept 4 and checking frequently i.e. every one hour during the operation Scalgun WS solution to be used for descaling purpose after 2 to 3 hours of cleaning if ph value remains less than 7 flush with fresh water mixed with sodium carbonate tubes and cleaning with nylon brush after closing the end covers, circulating diluted acid solution as specified above & pH value to be maintained as above & flushing the same with fresh water including recharging of stored refrigerant up to required pressure complete all as specified & directed by Engineer-in-Charge and for item No 128.00 to 132.00 (a) Condenser of 2 x 50TR Capacity AC Plant at NAD A-63 Naval Dockyard |
| 128 | (b) Condenser of 2 x 60TR Capacity AC Plant at MOC INS ANGRE |
| 129 | (c )Condenser of 3 x 30TR Capacity AC Plant at COMCEN INS ANGRE |
| 130 | (d ) (Condenser of 2 x 7.5 TR Capacity AC Plant at CCDT (ND) |
| 131 | (e) Condenser of 3 x 40TR Capacity AC Plant at MWC Bldg. No. 173(ND) |
| 132 | (f) Condenser of 2 x 15TR Capacity AC Plant at COMCEN REAR INS ANGRE |
| 133 | Rewinding of unserviceable electric motor 3 phase 50 Hz 415volt, (a) 7.5 HP Chiller / Condenser Water Pump Motor complete comprises as under (item No 134.00 to 140.00)(a) Disconnecting & removing the electric motor from installed position including, loading, unloading and transporting to approved workshop.(b) Taking out the existing burnt winding from the motor including rewinding complete with super enameled copper winding wire of existing gauge including all insulating material such as insulation paper, sleeves, tape, varnish etc. complete for class 'F' insulation.(c) Transporting the motor back to the location, reinstalling in original position including alignment, electrical & water connection, commissioning and testing for 8hours continuously to check the RPM etc. to the satisfactory performance etc. complete.NOTE: Any damage caused during handling will be made good by contractor without any extra cost to department |
| 134 | (b)15 HP Chiller/Condenser Water Pump Motor. |
| 135 | (c )5.0 HP Chiller/Condenser Water Pump Motor. |
| 136 | (d) 3.0 HP cooling tower blower induction Motor. |
| 137 | (e)10 HP Condenser/Chiller Water Pump Motor. |
| 138 | (f)15 HP Compressor Motor . |
| 139 | (g) 40 HP Motor. |
| 140 | (h) 25 HP Motor. |
| 141 | Material and labour for disconnecting of Chiller for descaling by Plugging them & providing of 15 mm tee outlet for local circulation of mild acid solution in the Chiller (separate container and small pump set to circulate diluted acid solution to be used) pH value of solution to be circulated to be kept 4 and checking frequently i.e. every one hour during the operation Scalgun WS solution to be used for descaling purpose after 2 to 3 hours of cleaning if ph value remains less than 7, flush with fresh water mixed with sodium carbonate tubes and cleaning with nylon brush after closing the end covers, circulating diluted acid solution as specified above & pH value to be maintained as above & flushing the same with fresh water including recharging of stored refrigerant up to required pressure complete all as specified & directed by Engineer-in-Charge of for the following( item No 142.00 to 144.00:)- (a) Chiller of 2 x 50TR Capacity AC Plant at NAD A-63 Naval Dockyard |
| 142 | (b) Chiller of 2 x 60TR Capacity AC Plant at MOC INS ANGRE |
| 143 | (c) Chiller of 3 x 30TR Capacity AC Plant at COMCEN INS ANGRE |
| 144 | (d) Chiller of 2 x 15 TR Capacity AC Plant at COMCEN REAR INS ANGRE |
| 145 | Material and labour for cleaning of cooling coil section of AHU for descaling and providing 02 Nos.15mm Tee outlet for local circulation of MAIC solution in the cooling coil (separate container and pump set of appropriate capacity to be used for circulation) pH value of solution to be kept at 4 & checked at an interval of 01 hr. duration process the scalgum / WS / Cleansol or equivalent solution to be used for descaling if ph value remains less than '7' flush with fresh water added to sodium carbonate till pH value attains '7' refix the coil section in position minor repairs to be carried out in AHU Coil bins to be cleaned by scalgum solution by spraying the solution with washing pump up to required level, AHU and complete all as specified and directed for the followings : (a) AHU of 2 x 50TR Capacity AC Plant at NAD A-63 Naval Dockyard |
| 146 | (b) AHU of 2 x 60TR Capacity AC Plant at MOC INS ANGRE |
| 147 | (c) AHU of 3 x 30TR Capacity AC Plant at COMCEN INS ANGRE |
| 148 | (d) AHU of 2 x 15 TR Capacity AC Plant at COMCEN REAR INS ANGRE |
| 149 | Dismantling AHU of 2 x 60TR TR capacity AC plant carefully by removing side and top panel removing unserviceable blower shaft bearings,removing motor & blower assembly, replacement of new AHU blower shaft bearings reassembling blower assembly and refixing electric motor & top side panel in original position with new nut bolts washers & shafts keys & checking the shafts balancing & testing for smooth running all as specified and directed at MOC INS ANGRE. |
| 150 | All as per item No 11 but for 2 x 50TR AC Plant at NAD A-63 Naval Dockyard. |
| 151 | All as per item No 11 but for 3 x 30TR AC Plant at COMCEN INS ANGRE |
| 152 | All as per item No 11 but for 2 x 7.5 TR AC Plant at CCDT(ND) |
| 153 | All as per item No 11 but for 3x 40TR AC Plant at MWC Bldg No 173(ND) |
| 154 | All as per item No 11 but for 6x 7.5 TR AC Plant at A - 14 Bldg (ND) |
| 155 | All as per item No 11 but for 2 x 15 TR AC Plant at COMCEN REAR INS ANGRE . |
| 156 | Pumping down the existing refrigerant from the condensor and carrying out the leak test of plant with the pressure of Nitrogen gas and monoitoring for 24hrs asses leakages by brazing & replacement of necessary gasket wherever required including copper tubes of suitable size vacumizing of the plant by vaccum pump 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. (Note: Refrigerant required for topping up will be measured and paid separately under relevant items) |
| 157 | Replacement of compressor oil with new compressor oilcomplete as specified and directed . |
| 158 | Material and labour for repairs to Microprocessor of 50/60 TR Capacity chiller unit including replacing diods , transistors and wiring etc for AC Plant at NAD A-63 Naval Dockyard all as specified and directed |
| 159 | Material and labour for Expansion valve of 50TR/60TR chiller unit including taking down old unserviceable valve complete all as specified and directed by .Make: As approved. |
| 160 | Material and labour for Expansion valve of 30/40TR chiller unit including taking down old unserviceable valve complete all as specified and directed .Make: As approved |
| 161 | Material and labour Expansion valve of AC plant capacity 7.5/15 TR including taking down old unserviceable valve complete all as specified and directed . Make: As approved |
| 162 | Taking down old unserviceable Strainer of 100 mm size and supply and fix new Strainer of same size. |
| 163 | Taking down old unserviceable Strainer of 80 mm size and supply and fix new Strainer of same size. |
| 164 | Supply and fix Condensor safety valve as per sample and suitable for chiller unit all as specified and directed . |
| 165 | Material and labour for HP cut out including taking down old one Make :As approved . |
| 166 | Material and Labour for LP cut out including taking down old one Make : As approved . |
| 167 | Material and labour for oil pressure cut out controls for compressor including taking down old one Make : As approved . |
| 168 | Supply & fix in replacement new power contactor MNX -32 all as specified & directed by Engineer-in-Charge Make : As approved . |
| 169 | Supply & fix in replacement new power contactor MNX -40 all as specified & directed by Engineer-in-Charge Make : As approved . |
| 170 | Dismantling the leakage condenser coil from 100TR capacity AC plant replacing with the new air cooled condenser of size 198cm x 112cm x4 row made out of copper tube and surrounded by aluminium fines. Reconnecting the condenser including brazing/welding with inlet and outlet connections. Leak test, pressure test with nitrogen. Vaccumizing & gas charging with R22 refrigerant & testing on load all as directed. |
| 171 | Supply & fix in replacement oil seal assembly suitable for Unit Model No. ACDR105OMN all as specified and directed . |
| 172 | Taking down old unserviceable AHU pre filter and supply and fix new pre filters efficiency 90% down to particular size of 10 micron double knitted twisted polymer fabric (washable) rated with press drop of 6 mm WC, including aluminium anodized frame work of 16 SWG to be mounted in AHU filter assembly size (625 x 475 x 50) mm complete all as specified and directed . |
| 173 | Supply & fix in replacement of AHU blower motor V belts, size A 36 to A 40 suitable for AHU Blower all as specified and directed by Engineer-in-Charge . Make :- As approved . |
| 174 | Supply & fix in replacement of V belts, size A 43 suitable for AHU Blower all as specified and directed by Engineer-in-Charge as per sizes Make: As approved . |
| 175 | Taking down old unserviceable/deteriorated insulation from duct, cleaning the duct surface with steel wire brush to remove dirt, dust and make it free of scale, greases and foreign matter etc and supply and fix nitrile rubber insulation (Armaflex) one layer of 19mm thickness sticking on surface of duct / pipe line by using best quality adhesive and sealing the joints by weather proof tape complete all as directed . |
| 176 | Supply & fix in replacement of LP/HP cutout switch sensor for AC/ AC plant of existing make all as specified and directed. |
| 177 | Supplying and fix in replacement new pressure gauge of capacity 0 to 30 Kg / square centimeter complete with necessary accessories all as specified & directed . |
| 178 | Taking down old unserviceable aluminium rectangular grill of any type and make and suuply and fix new air /return air of aluminium rectangular grills complete with wooden frame work made out of II nd class hard wood, volume control damper including gasket and connected accessories complete all as directed. |
| 179 | M&L for Cleaning of Air handling ducts (GI/Al) internally by using special T&P like robortic arm, air compressor, air jet nozzles, flipper, vaccum pump and a suction blower with hepa filter and check before and after the cleaning complete all as specified and directed Please Enable Macros to View BoQ information |
| 180 | M&L for Cleaning of Air handling ducts (GI/Al) internally by using special T&P like robortic arm, air compressor, air jet nozzles, flipper, vaccum pump and a suction blower with hepa filter and check before and after the cleaning complete all as specified and directed Please Enable Macros to View BoQ information |
