REPAIR/MAINTENANCE OF CENTRAL TYPE AC PLANT AT SAA UNDER GE (S) TEZPUR

Amount

Supply & fixing in replacement strip heater 3.0 kw complete all as specified. Make : Daspass / Recola / Bajaj

Supply & fixing in replacement strip heater 2.0 kw complete all as specified. Make : Daspass / Recola / Bajaj

Supply & fixing in replacement strip heater 1.5 kw complete all as specified. Make : Daspass / Recola / Bajaj

Supply and fix, in replacement MCB 2 Pole 240 volts, 10 KA, 50 Hz capacity 63 Amps 'C' Curve all as specified and directed.

Supply and fix,in replacement MCB 2 Pole 240 volts, 10 KA, 50 Hz capacity 40 Amps 'C' Curve all as specified and directed.

Supply and fix, in replacement MCB 2 Pole 240 volts, 10 KA, 50 Hz capacity 6-32 Amps 'C' Curve all as specified and directed.

Supply and fix MCCB 3 pole, thermal magnetic based Release range 63 Amps to 100 Amps,415V,AC,50Hz ,36 KA Manual versions With Conforms to IS/IEC 60947-2,Ics=100% Icu,Suitable for Isolation Adjustable Over Load setting: 0.8 - 1.0 x In ,Adjustable Short Circuit setting: 6 - 10 x Ir , ,Wide Range of snap fit Internal and External Accessories including Taking down MCCB all as specified and directed by Engineer-in-charge. Make - L&T/Schnieder/ABB

Supply and fix MCCB 4 pole, thermal magnetic based Release range 100 Amps to 125 Amps,415V,AC,50Hz ,36 KA Manual versions With Conforms to IS/IEC 60947-2,Ics=100% Icu,Suitable for Isolation Adjustable Over Load setting: 0.8 - 1.0 x In ,Adjustable Short Circuit setting: 6 - 10 x Ir , ,Wide Range of snap fit Internal and External Accessories including Taking down MCCB all as specified and directed by Engineer-in-charge. Make - L&T/Schnieder/ABB

Supply and fix MCCB 4 pole, thermal magnetic based Release range 63 Amps to 80 Amps,415V,AC,50Hz ,36 KA Manual versions With Conforms to IS/IEC 60947-2,Ics=100% Icu,Suitable for Isolation Adjustable Over Load setting: 0.8 - 1.0 x In ,Adjustable Short Circuit setting: 6 - 10 x Ir , ,Wide Range of snap fit Internal and External Accessories including Taking down MCCB all as specified and directed by Engineer-in-charge. Make - L&T/Schnieder/ABB

Supply and fix MCCB 3 pole, microprocessor based Release range 160-400 Amps,415V,AC,50Hz ,50 KA Rotary versions With Conforms to IS/IEC 60947-2,Ics=100% Icu, Suitable for Isolation Adjustable Over Load setting: 0.4 - 1.0 x In ,Adjustable Short Circuit setting: 1.5 - 10 x Ir , ,Wide Range of snap fit Internal and External Accessories including Taking down MCCB all as specified and directed by Engineer-in-chargend Make -L&T/Schnieder/ABB

Supply and charging of gas R-134A complete all as specified and directed by Engineer-in-Charge Make-Mefron/Refron

Dismantling taking out the stator of electric motor 3 phase 415 volts, 50 C/S capacity 3HP and rewinding the stator with super enameled copper winding wire of same size gauge as of existing copper winding wire and insulation material & labour including varnishing drying, baking reassembling after the complete winding has been carried out testing on load all as specified and directed.

Ditto as in Item No 13 above but for motor of capacity 5HP.

Ditto as in Item No 13 above but for motor of capacity 10HP.

Ditto as in Item No 13 above but for motor of capacity 15HP.

Ditto as in Item No 13 above but for motor of capacity 25HP

Ditto as in Item No 13 above but for motor of capacity 30HP

Dismantling pump set 30 HP (Make 'Kirloskar) and disconnecting water and electric connection removing shaft from impeller and remantling, grinding, polishing to shaft & suction cover and replacing bearing , Gun metal bushes for shaft , Key for shaft , Graphite packing , water slinger , Gland bush, coupler etc fixing gland rope, greasing and fixing same shaft and impeller and reassembling properly testing all as specified

Ditto as in Item No 19 Above but for 25 HP

M&L for opening the outer sheets of package unit to access cooling coil, washing / cleaning of cooling coil externally with mild acid (or caustic soda hot water solution) followed by water jet including cleaning / washing of air filter and re-fixing, complete all as specified and directed by GE.

Material and labour for Descaling the condenser, and supply circulating the descaling solution (hydrochloric Acid) with pump brushing the tubes and wherever required drilling the stubborn sealing without damaging the tubes replacement of gaskets and unserviceable nuts & bolts. Assembling back complete for AC plant capacity, condenser capacity each 50 TR and as directed by GE.

Material and labour for cleaning of cooling coil with chemical etc in AHU with standerd quality coil cleaner of capacity 100TR complete all as specified and directed.

Material and Labur for Descaling of condenser water tubes by circulating desclaing compound with subsequent roding to achive the overall performance of the plant with 3 Nos condensing unit upto 220 TR capacity complete all as specified and directed.

Material and labour for 30 HP pump greasing and overhauling etc. all as specified and directed.

Material and labour for 25 HP pump greasing and overhauling etc. all as specified and directed.

Supply & fixing in replacement microprocessor control cord suitable for 220 TR chiller model No MT 3022 unit Make : Daikin or equavalent as approved by GE

Supply & fixing in replacement microprocessor control cord suitable for 220 TR chiller model No MT 3025 unit Make : Daikin or equavalent as approved by GE

Supply & fixing in replacement condenser/chiller water temperature sensor as required at site. Make: Daikin or equavalent as approved by GE

Supply and fixing in replacement of discharge pressure sensor complete. Make: Daikin or equavalent as approved by GE

Supply and fix in replacement of single phase preventor Relay 40 VAC asymmetry including connecting accessories complete all as specified. Make-L&T or equivalent as aproved by GE

Supply and fixing in replacement of microprocessor controller card for chilled water system suitable for 50 TR capacity Make-Blue Star or equivalent as aproved by GE

Supply & fixing in replacement of CPU (Controller), Part No: S4900762 suitable for 220 TR Compresspr unit as specified and directed Make : Daikin or equavalent as approved by GE

Supply & fixing in replacement of Phase protector- SE3901009/SE3901004, Part No: S4900773 suitable for 220 TR Compressor unit as specified and directed Make : Daikin or equavalent as approved by GE

Supply, install, testing and commissioning of FRP induced draft counter flow top discharge type cooling tower (Rectangular) by OEM of total capacity 100TR (375000Kcal/Hr) water flow 400 USGPM (1500 LPM) complete with water distribution by PVC spray header, branch pipes & non clogging splash cups, FRP basin, virgin PVC filling both edge folded, direct driven balanced aerodynamic type axial propeller fan with 960 RPM speed weather proof TEFC, IP 55, flange mounted, extended shaft motor , suction screen , make up & quick fill arrangement, overflow & drain connection, float valve, suitable steel ladder etc & conforming to standard specification. Make- Weldon Engg or its equivalent

Labour for Annual Maintenance contract for Daikin Chiller Model No- PFS2451DBRY of 220 TR capacity by OEM for 9 months ( 3 Quarters) with following conditions. 1. 3 No of quarterly maintenance services & 6 No of breakdown calls. 2. inspecting entire system for any unusual condition such as noise, vibration etc. 3. check operating presssure and temperatures to ensure proper operating conditions, Evapouaror and condenser, chilled water flow, pressure drop 3. checking the entire system. Notes: (a) The three preventive/periodical maint services and one annual comprehensive maint service shall be carried out by M/s Daikin to each chiller & condenser machine during the currency of the contract. The contractor shall submit the record of periodical/preventive/Annual maint services carried out by M/s Daikin along with documentary evidence for claiming payment ” (b) Scanned copy of MOU from OEM i.e M/s Daikin should be submitted alongwith all the documents of Technical cover

Supply & fixing PVC filings 600 x 300 x 150 mm in cooling tower of 220 TR capacity complete all as specified and directed.

Supply & fixing in replacement of Pressure Sensor- BIC0ITM071568501/S4900797, Part No: SE8121047 suitable for 220 TR Compressor unit as specified and directed Make : Daikin or equavalent as approved by GE

Supply & fixing in replacement of Pressure Sensor- B3C0IT-M071568601/S4900796, Part No: SE8121048 suitable for 220 TR Compressor unit as specified and directed Make : Daikin or equavalent as approved by GE

Material and labour for replacement High flow HEPA filter with aluminium frame, box type a with flange of size 610x610x310mm, complete all as directed by GE.

Material and labour for replacement High flow HEPA filter with aluminium frame, box type a with flange of size 610x310x310mm, complete all as directed by GE.

Material and labour for replacement PRE filter 10 micron A layer of now woven media is stitched along with layer of GI wire mesh on the downstream side to obtain required filtration and efficiency. The pleats are separated by spacers for maximum air flow of size 610x610x50mm complete all as specified and directed.

Material and labour for replacement PRE filter 10 micron A layer of now woven media is stitched along with layer of GI wire mesh on the downstream side to obtain required filtration and efficiency. The pleats are separated by spacers for maximum air flow of size 610x300x50mm complete all as specified and directed.

Supply and fixing in replacement of Evaporator water temperature sensor for chiller unit 220TR , Make- cat Part No-S4900794 complete all as directed by GE.

Supply and fixing in replacement of Suction pressure sensor for chiller unit 220TR , cat part No- SE8121048complete all as directed by GE.

Supply and charging of Gas Vacuum the system and after maintaining vacuum for 24 hours supply and charge refrigerant gas 407 C complete all as specified and directed by the Engineer-in-Charge. Make:-Mafron/Refron

Supply & fixing for replacement of V belt B Series as per site requirement complete all as specified and directed. Make : Fanner/Dunlop or as aproved by GE

Supply & fixing for replacement of V belt A Series as per site requirement all as specified and directed. Make : Fanner/Dunlop or as aproved by GE

Supply and fixing in replacement of 3 pole power contactor 220v model CS94107 Make-L&T or equivalent as aproved by GE

S & F double layered Rotational moulded polyethylene water storage tanks 5000ltrs (cylindrical vertical with closed top) hoisted and fixed in position including taking down old unsv water tank complete all as specified and directed. Make- Sintex . Note- The cost of connecting inlet and outlet water tube is deemed to be included in the unit rate.

Supply & fixing in replacement of overload relay type MN-2 range 6-10 A as per site requirement Make-L&T or equivalent as aproved by GE

Supply & fixing in replacement of overload relay type MN-2 range 9-15 A as per site requirement . Make-L&T or equivalent as aproved by GE

Supply and fixing in replacement of 3 phase Ampere meter having range 0 - 50 Amp including accessories complete. Make-Legrand/ L&T or equivalent as aproved by GE

Supply & fixing in replacement of on load changeover Switch 400 A, 3 phase, type CO4-400, panel mounted . Make-L&T or equivalent as aproved by GE

NOTES: 1. The amount of schedule of credit shall be deducted from the total of this BOQ for arriving at contract sum. 2. The rates for RCC/PCC shall deemed to include the cost of formwork, shuttering etc., required for complete and proper execution of the item. Refer Schedule "A" notes for details.

M/S SEWAK SINGH

M/S L N ENTERPRISE

SAI CONSTRUCTION