COMPREHENSIVE MAINTENANCE FOR CENTRAL AIR CONDITIONER AT MAIN HOSPITAL BLDG AND DEFI TECH ACCN AT CH EC U NDER GE ALIPORE KOLKATA

Amount

NOTE :The bidders/contractors are advised to read tender document & all corrigendum/ amendments and General conditions of contracts before entry/quoting the rates. It is highlighted that the cretin condition of General Condition Of Contracts (IAFW-2249) has been modified as direction of MOD i.e inclusion of performance security, deletion of risk & cost provisions and increase in defects liability period all as specified in tender document.

Outsourcing services for day to day / routine/periodical comprehensive maintenance of Defi Tech Hospital Central AC plant of capacity 3x200 TR including supply of all consumable lubricants and repair or replacement( as per direction of GE) of all components (spare parts) except parts(item no 2.01 to 3.43) are specified in BOQ here in after maintenance of following components of entire system/equipments including daily maintenance of necessary records & documents complete all as specified and as directed. (A) Defi Tech AC Plant:-(i)Water cooled Screw chilling machines unit 3 x 200 TR alongwith compressor, evaporator, condensor including allied equipments and sub-assemblies (02 working + 01 standby), (ii) LT control panel with accessories Cont..

Cont... (iii) 3 x Condensor Water Pump (02 working + 01 standby), (iv) 3 x Hot Water Pumps (02 working + 01 standby) (v) 3 x Chiller Water Pump (02 working + 01 standby), (vi) 3 x Cooling tower (02 working + 01 standby) alongwith operating valves and pipe line , (vii) Cooling tower water tanks ,(viii) Chilled Water pipe line throughout Defi Tech Building (G+5) and Make up Water tanks at roof top (B) Defi Tech Building (G+5) :-(i) All Air Handlig Units including OTs, (ii) Air Duct opening grills, (iii) Fan Coil Units(iv) Air curtain unit NOTES :- 1. Maintenance of AC plant and entire system/equipmentsof capacity 3x 200 TR in summer, winter and monsoon season as per the period of contract including daily/periodical checks i.e quarterly maintenance requirement as per manufacturer's instructions. The above quoted rates covers daily upkeep of AC plant as described above all as specified and directed by the Engineer-in-Charge for smooth & efficient performance to achieve inside designed conditions throughout the season. 2. Cleaning of inside and out side of the installation and the cost thereof shall be deemed to be included in the unit rate quoted against this item. 3. Contractor shall rectify the fault within 8 hrs or as directed by Enng-in-Charge. 4. Contractor shall maintain temperature of AC plants as per direction of Enng-in-Charge or his rep within design limit as specified in PS. 5. During entire contract period any defective components or any other materials which is not specified in sch 'A' but repair/replace to make plant/ mechinery fully functional. The cost of the same is deemed included quoted rates and no extra cost shall be paid to the contractor in this effect. 6. The cost of transportation and other necessary equipment shall be arranged/brought by the contractor in this effect , hence the bidder/tenderer is advised to visit the site and assess the quantum of the work to be carried out in the contract and quoted there rate accordingly 7. Make and model of part to be replaced shall be same as existing at site or as per OEM. 8. Comprehensive /Periodic maintenance means ensuring optimal functioning of AC plant by the synchronizing levels at no extra cost. 9.The contractor shall provide of high skilled mechanic/Special engineer required for fault during currency of contract period if required. The cost of the same shall be deem to be included above quoted rate 10. All labour charges for taking out old spares/ items and replacing spares, testing, commissioning transportation etc shall be deemed to be included in the above quoted rates. In case any expert technician/engineer required for major faults of pant shall be provide by contractor without any extra cost of depertment. 11. Above central AC installation shall be run three shifts per day including on sundays / holidays as per labour act. contractor shall quote rate accordingly. 12. One Engineer shall be deputed at site on official working hour as directed by AGE 13. The cost of transportation and other necessary equipment shall be arranged/brought by the contractor in this effect , hence the bidder/tenderer is advised to visit the site and assess the quantum of the work to be carried out in the contract and quoted there rate accordingly

Supply only PCB Board with display ( For AHU )

Supply only Contractor 3TF47

Supply only Contractor 3TF51

Supply only DO (Drier Core)

Supply only GI duct 24WG , Tata /JINDAL

Supply only nitrile ruber 13mm

Supply only cyphon with bib cock guage

Supply only thermometer

Supply only AHU air filters .5 micron suitable for AHU

Supply only Solonoid Valve Kit CXH9

Supply only Pressuer Transducer 44.8 BAR

Supply only Pressuer Transducer 10. BAR

Supply only Electronic Expention valve E6U

Supply only Gas ket Kit for CXH5 Compresser

Supply only Gas ket Kit for CXH5 Condensor

Supply only Spiral target valve

Supply only Spiral Eliminator block (fill block)

Supply only Float Valve

Supply only Header PVC line 6'

Supply only Header branch PVC line 2'

Supply only MCX 31 Contactor 82.5A

Supply only MN 5 over load 30to 50 A

Supply Only Ball bearing for screw chiller compress for 200 TR

Supply Only Compressor Oil

Supply Only Compressor Oil Filter

Supply Only Refigeration Filter

supply Only Operating Sensors for Screw compressor 200 TR

Supply only nitrogen for leak testing

Supply only refrigerant 134A

Supply only PCB Display Board for Screw compressor 200 TR

Vernishing of starter coil for Screw compressor 200 TR

Supply only 20HP VFD for secondary pump

Supply only V-Belt with following size- A-69,A-56,A-56,A-50,A-42,A59,A-39,A-60,A-79 .

Re- winding of 7.5.00 HP capacity energy efficient level EFF1 motor with suitable type enamelled copper wire as per IS 13730

Re- winding of 10.00 HP capacity energy efficient level EFF1 motor with suitable type enamelled copper wire as per IS 13730

Re- winding of 12.50 HP capacity energy efficient level EFF1 motor with suitable type enamelled copper wire as per IS 13730

Re- winding of 20.00 HP capacity energy efficient level EFF1 motor with suitable type enamelled copper wire as per IS 13730

Re- winding of 25.00 HP capacity energy efficient level EFF1 motor with suitable type enamelled copper wire as per IS 13730

Material and labour for painting with one coat of red oxide primer and two coats of black japan paint including preparation old/ new surface of steel of any description all as specifierd and as directed.

Supply fixing in repair of VLT suitable for 200 TR AC Plant 15 KW/20 HPall as specifierd and as directed.

Repair and overhauling for Kirloskar compressor of capacity 110 TR central AC Plant including rewinding of stator coil, repairing leakage of compressor, descaling with cleaning compressor other accessory, filling fresh refrigerant gas and including disconnection existing pipe/electricity line, necessary inspection of OEM, reassembling , testing , re-commissioning, etc complete for smooth functioning of the equipments to ensure desired result including taking down/dismantling complete all as specified and as directed. Note: 1. Rates quoted deemed to be inclusive of all equipment such as crane & transported vehicle 2. Additional refrigerant shall be measure and paid under respective item.

Repair and overhauling for Kirloskar condenser of capacity 110 TR central AC Plant including, descaling, cleaning condenser pipe, other accessory and including disconnection existing pipe/electricity line, necessary inspection of OEM, reassembling , testing , re-commissioning, etc complete for smooth functioning of the equipments to ensure desired result including taking down/dismantling if required complete all as specified and as directed.

Repair and overhauling for chiller unit of capacity 220 TR central AC Plant including, descaling, cleaning condenser pipe, other accessory and including replacement of unserviceable/burnt out /worn out spare parts with new one as per existing make and disconnection existing pipe/electricity line, necessary inspection of OEM, reassembling , testing , re-commissioning, etc complete for smooth functioning of the equipments to ensure desired result including taking down/dismantling if required complete all as specified and as directed.

Outsourcing services for day to day / routine/periodical comprehensive maintenance including supply of all consumable lubricants and repair or replacement of all components (spare parts) except parts as specified in BOQ here in after and measured & paid separately under relevant items maintenance of following central AC plant installation and entire system/equipments including daily maintenance of necessary records & documents complete all as specified and as directed. (A) Basement Central AC Plant (i) Screw type Chiller unit 3 x 225 TR alongwith compressor, evaporator, condensor including allied equipments and sub-assemblies (02 working + 01 standby) (ii) LT control panel with accessories (iii) 3 x Condensor Water Pump (02 working + 01 standby) (iv) 3 x Chiller Water Pump (02 working + 01 standby) (v) 3 x Cooling tower (02 working + 01 standby) alongwith operating valves and pipe line (vi) Cooling tower water tanks 15000 ltrs x 06 Nos ,(vii) Chilled Water pipe line throughout CH (EC) Main Hospital Building (G+7) and TC(EC) building (G+1) and Make up Water tanks at roof top (B) CH (EC) Main Hospital Building (G+7) and TC(EC) building (G+1) (i) 9 x Air Handlig Units, (ii) Air Duct opening grills, (iii) 43 x Fan Coil Units

NOTES NO :- 1. Maintenance of AC plant and entire system/equipmentsof capacity 3x 225 TR in summer, winter and monsoon season as per the period of contract including daily/periodical checks i.e quarterly maintenance requirement as per manufacturer's instructions. The above quoted rates covers daily upkeep of AC plant as described above all as specified and directed by the Engineer-in-Charge for smooth & efficient performance to achieve inside designed conditions throughout the season. 2. Cleaning of inside and out side of the installation and the cost thereof shall be deemed to be included in the unit rate quoted against this item. 3. Contractor shall rectify the fault within 24 hrs. If the AC plant is off road/break down more than 24 hrs contractor will be charge as mention here-in-after. 4. Contractor shall maintain temperature of AC plants as per direction of AGE or his rep within design limit as specified in PS. 5. During entire contract period any defective components or any other materials which is not specified in sch 'A' but repair/replace to make plant/ mechinery fully functional. The cost of the same is deemed included quoted rates and no extra cost shall be paid to the contractor in this effect. 6. The cost of transportation and other necessary equipment shall be arranged/brought by the contractor in this effect , hence the bidder/tenderer is advised to visit the site and assess the quantum of the work to be carried out in the contract and quoted there rate accordingly 7. Make and model of part to be replaced shall be same as existing at site or as per OEM. 8. Comprehensive /Periodic maintenance means ensuring optimal functioning of AC plant by the synchronizing levels at no extra cost. 9.The contractor shall provide of high skilled mechanic/Special engineer required for fault during currency of contract period if required. The cost of the same shall be deem to be included above quoted rate 10. All labour charges for taking out old spares/ items and replacing spares, testing, commissioning transportation etc shall be deemed to be included in the above quoted rates. In case any expert technician/engineer required for major faults of pant shall be provide by contractor without any extra cost of depertment. 11. Above central AC installation shall be run three shifts per day including on sundays / holidays as per labour act. contractor shall quote rate accordingly. 12. The cost of transportation and other necessary equipment shall be arranged/brought by the contractor in this effect , hence the bidder/tenderer is advised to visit the site and assess the quantum of the work to be carried out in the contract and quoted there rate accordingly 13. In case above AC plant replaced through other agencycurrency of contracts period and if maintenance is required, to keep the AC Plant in running condition, the same shall be carried out through this contract after obtaining written approval from GE/Engg-in-Charge

Supply only following spares for chilled water pump set 40HP 03 Nos, Make Kirloskar, Model No : - UP 100/38 : -

Bearing Housing Driving End, make: Kirloskar

Bearing Housing Driven End,make: Kirloskar

Bearing No 6309, Make - TATA/ SKF/ NBC

Impeller

Shaft

Shaft sleeve

Oil seal

Set of 'O' Rings

Tyre coupling cover for Pump-Motor coupling

Pump motor coupling with MS key

Supply only following spares for Condenser pump set 30HP 03 Nos, Make : Kirloskar, Model No. UP 125/30A : -

Bearing Housing Drive

Bearing Housing Driven End

Bearing No 6306, Make - Tata/ SKF/ NBC

Impeller

Shaft

Shaft sleeve

Oil seal

Set of 'O' Rings

Tyre coupling cover for Pump-Motor coupling

Pump motor coupling with MS key

Supply only Refrigerent Gas R-22 in returnable container for chiller unit of 225 TR, Make :Mafron, Floron or equivalent model given in PS

Supply only following spares for Chiller unit 225 TR, Make : Trane

Solenoid valve coil oil line, Make - Trane / Parkar

Solenoid valve coil Loader/ Unloader line, Make - Trane / Parkar

Compressor oil filter

Refrigerant Filter

Compressor oil

HP Switch, Make : Danfos / Indfos / ALCO

LP Switch, Make : Danfos / Indfos / ALCO

Condensor Refrigerant sensor

Discharge line temperature sensor

Evaporator leaving/ entering water pair sensor

Condensor leaving/ entering water pair sensor

Supply only following spares for Fan coil unit 1/1.5 TR capacity - 43 Nos : -

Thermostat model No T 6373, Make : Honey Well for FCU

Long shaft with accessories for FCU Blower Motor

FCU tray with double layers of 0.7mm thick GI sheet

Blower motor winding 1/10 HP

Supply only following spares for AHUs - 09 Nos of sizes (12.5 TR to 160 TR) : -

Material and labour for fabrication work and installation of AHU cabinet of height upto 1.60 mtr as per existing size with 16 SWG GI sheet including MS channels of required size and length as per existing with legs as per site requirement and arrangement for mounting of AHU motor with adjustable base frame, and making opening for chilled air duct outlet including dismantling of old AHU cabinet all as specified and as directed by the Engr-in-Charge. Note: - The AHU cabinet shall be measured only top portion in sqm i.e length & width and payment accodingly.

Material and labour for insulation of inner surface of AHU cabinet with acoustic insulation comprising of layers of 12 mm thick acoustic rigid fibre glass sheet covered with onionskin paper fastened with 26 SWG aluminium perforated sheet fixed with bolts and nuts including taking out of old insulation all as specified and as directed.

Supply only Fine filter of size .620 x 508 x 45 mm for AHU cooling coil

Supply only Fine filter of size 600 x 500 x 40 mm for AHU cooling coil

Supply only Ball Bearing No 6306, Make SKF for motor capacity 5 HP

Supply only Ball Bearing No 6308, Make SKF for motor capacity 7.5 HP

Supply only of Bearing for blower (Pilo Block bearing Model No UC207, Make - FYH /NTN

Supply only of Bearing for blower (Pilo Block bearing Model No UC206, Make - FYH /NTN

Supply only of V belt of size B-94

Supply only of V belt of size B-93

Supply only of V belt of size B-92

Supply only of V belt of size B-90

Supply only of V belt of size B-89

Supply only following spares for Cooling Tower, Make - Paharpur:-

Supply only of Spiral target nozzel

Fill pack sheet

Servo system gear oil

Support structure for Cooling Tower motor for Cooling Tower Model No: 21104 (T&B) of make Paharpur Cooling Towers Ltd

Ball brass valve high pressure, with polythene float and flynut complete screwed for iron pipe 25 mm

Supply only following spares for LT Panel: -

Supply only MCCB , 100 Amp ,4 Pole

Supply only MCCB 63 Amp 4 Pole

Supply only MCB 20 Amp, 3 Ph

3 pole power contractor AC3 rating 40 Amp, make: L&T, type ML 3 of or equivalent

3 pole power contractor AC3 rating 32 Amp, make: L&T, type ML 2 of or equivalent model given in PS

3 pole power contractor AC3 rating 25 Amp, make: L&T, type ML1.5 of or equivalent model given in PS

Thermal overload relay direct mounting 14 to 23 Amp, make: L&T, Cat No SS94135OODO or equivalent model given in PS

Thermal overload relay direct mounting 20 to 33 Amp, make: L&T, Cat No SS94136OOEO or equivalent model given in PS

Thermal overload relay direct mounting 30 to 50 Amp, make: L&T, Cat No SS94136OOGO or equivalent model given in PS

Analog Timer 415V, 50 Hz 3-30 seconds, make: L&T, type ET 100/ ST 100 or equivalent model given in PS

Descaling and cleaning of condensors by using Kirloskar recommended cleaning solution followed by mechanical cleaning of condensor tubes including replacement of nut bolts and gasket etc in every 6 months or as and when ordered by Engineer-in- Charge.

Descaling and cleaning of evaporators by using Kirloskar recommended cleaning solution followed by mechanical cleaning of evaporator tubes including replacement of nut bolts, suitable insulation and gasket etc in every 6 month or as and when ordered by Engineer-in- Charge.

Descaling and cleaning of AHU coils from outside and cooling tubes from inside by flowing suitable chemical in the tubes for removing all foreign material deposited in the coil and tubes as and when ordered by Engineer-in-Charge. [Note: Rates quoted by contractor for item No 12 to 14 deemed to be inclusive of necessary arrangement viz. necessary water jet pumps, coil cleaning chemicals, tools etc]

Material and Labour for cleaning of HVAC duct thoroughly including taking necessary photographs before and after cleaning all as specified and as directed by the Engr-in-Charge

Dismantling of existing MS pipes with insulation by carefully dismantling from chilled water pipe line with gas cutting where necessary and Supply and laying MS pipes 'medium' grade as per IS: 1239 (Part-I) of make: TATA / SAIL/JINDAL with electric welding where necessary and laid in floors or fixed to walls and ceillings etc all as specified and as directed of the following sizes:- Note: - Pipe fittings all type shall be measured and paid under separate item of this schedule.

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Supply and fixing in repairs of MS Flange with rubber gasket including electric welding with MS pipes suitable for fixing with the following sizes of MS pipes: - [Note: - Bolts, nuts and washers will be measured and paid under separate item]

40 mm bore

50 mm bore

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Material and Labour for Mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut all as specified and as directed.

Supply and fixing in repairs of MS Pipes such as Bends, Tapers, "Y" junction, double branch, cross, Tee pieces (single & double branch), any type and angle/ radius and straight connecting pieces all as specified and as directed.

Material and Labour for insulation of MS Pipe with PUF slab (Density 36 kg/ cm2) upto 50 mm thick and not less than 40 mm thick with and including applying bituminous compound and cladding with sheet metal cladding with aluminium not less than 22 gauge thick complete suitable for insulating the following sizes of MS pipe: -

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Material and labour for dismantling of old butterfly valves and fixing of new Butterfly valve of make: C&R / Kartar / Pelicon or equivalent in other approved make all as specified and as directed suitable for the following sizes of pipe:- Note:- Bolts, nuts and washers will be measured and paid separately.

40 / 50 mm bore

80 mm bore

100 mm bore

150 mm bore

200 mm bore

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs __________ mentioned on Page No _______ shall be deducted from the total quoted amount of BOQ.

KWALITY CONSTRUCTION

INDIA ELECTRICAL EQUIPMENTS

RADHA ENTERPRISE

UNIVERSAL