REPAIR AND MAINTENANCE OF PACKAGE TYPE AC PLANT OF CAPACITY 3X10/11 TR, VERTICAL SPLIT TYPE ACS AND CONNECTED WORKS AT 7 AF HOSPITAL KANPUR CANTT

Amount

M & L for general routine maintenance including replacement of unserviceable components of pakage type AC of capacity 10TR/11TR consisting 2x5.5 Scroll compressor Model No : DPA 1322 RI Make : Blue Star by opening front grill and the bottom side and taking out the cover of outdoor unit and carry out following Job/Repairs :- (Note : Spare parts will be measured and paid separately as supply only). (i) Sliding the filter out and washing it with water and hot and drying in the shade and reinstalling the same. (ii) Checking the compressor for oil leak and inspection of vibrations insulation rubber for wear and tightening the mounting lugs.

Contd Item No.1.00...... (iii) Removing the cover from the bottom and filter from side of indoor unit and testing for gas leaks around the coil. (iv) Removing the front grill and the cover on the front bottom side to access the coil and testing for leaks using halide detector. (v) Condenser coil and out door unit cleaning the coil using air blower or vacuum pump to clean MCHX coil and washing the coil using water jet. (vi) Electrical circuit and terminals :- checking all wires, cables and connecting terminals and ensure its tighteness. (vii) Cleaning and painting of outdoor unit and MS support stand by approved shade & colour.

Supply only in replacement of the following spares of pakages type AC Model No : DPA 1322 RI. Make :- Blue Star

Condenser fan blade.

Scroll hermetically sealed compressor for 5.5 TR.

Filter drier Cat No. EK- 083 for 11 TR

Air filters

Over load thermal relay 2.5 to 4.0 Amp suitable for 11 TR

Evaporative blower fan blade

Pressure control HP/LP cut out

Blower ball bearing suitable for blower

Blower Shaft as per sample

Service Valve suction/discharge of size 1/4" as per sample

Condenser fan motor 1/3 HP, 920 RPM suitable for 11 TR

Sensor unit (as per sample)

Micro processor lead (as per sample) suitable for 11TR

Wiring kit (as per sample) suitable for 11 TR.

Power transformer (as per sample) suitable for package AC 11 TR.

S & F in replacement microprocessor controller suitable for model No DPA 1322 RI of Pakage type AC complete all as specified and directed having following features :- (i) Run time equalisation. (ii) Auto start after power failure. (iii) Memory back up. (iv) Built in time delay. (v) Single phasing and reverse phase protection. (vi) Fuzzy logic (vii) Self fault diagnostics. (viii) Easy look up with fire alarm system.

Taking out burnt/defective evaporative motor/condenser fan motor and rewinding with super eanmelded copper wire and refixing in existing unit of package type AC, testing and commissioning complete all as specified and directed.

Supply of refrigerant gas Mafran (R-22) monochloro-difloro methane confirming to IS-5160 duly filled in company sealed cylinder of capacity 61 Kgs complete all as specified and directed. (Note:- Empty Gas cylinder will be issued by Deptt under through Nominal Issue Vouchers).

Filling only refrigerant gas for compressor 11 Ton capacity with R-22 gas and compressor oil upto specified quantity including flushing out old gas and oil including testing on full load & checking for leakage by nitrogen gas in the plant for 24 hr complete all as specified and as directed.

M & L for servicing of vertical type AC from various locations and at any height (like first floor etc) for maintenance, opening, cleaning with Magna/Hibird solution, giving water/air pressure, oiling including taking out old unserviceable parts and fixing new parts complete including Re-fixing the same at existing place after repairing, servicing and testing for smooth functioning complete all as specified and directed for following capacities:-

2.5 TR cap vertical type AC

3.5 TR cap vertical type AC

5.5 TR cap vertical type AC Note :- New components /parts shall be measured and paid separately under Sch ‘A’ item here-in–after as supply only.

M & L for checking and rectification of un-servicebility of Vertical type AC of 2.5/3.5/5.5 TR by thorough checking and rectification of electrical faults of any type, including replacement of un-serviceble parts and cleaning of filtres etc and testing of plant for smooth functioning complete all as specified and directed. Note:- Spare parts will be measured and paid for seperately under respective items given here-in-after as supply only.

Supply only following items for verticle type ACs compete all as specified and directed:-

Single phase preventer relay for 2.5/3.5 TR cap vertical type AC (as per sample)

Sensor for as per sample suitable for Vertical type AC of 2.5/3.5/5.5 TR.

Running capacitor of capacity 50 MFD

PCB for 2.5/3.5 TR cap vertical type AC (as per sample)

PCB for 5.5 TR cap vertical type AC (as per sample) with remote.

Contactor for 2.5/3.5 TR cap vertical type AC (as per sample)

Contactor for 5.5 TR cap vertical type AC (as per sample)

Connection box locally fabricated for connecting cables complete with lugs as per sample

S & F in replacement of unserviceable sealed unit with new hermatically company sealed compressor unit of following capacity three phase, 415 volt including welding/brazing of gas pipe line, vacuum pressure leakage, testing etc. including filling and charging refrigerant gas as required complete all as specified and directed for following:-

Three phase sealed unit compressor 2.5 TR capacity

Three phase sealed unit compressor 3.5 TR capacity

Three phase sealed unit compressor 5.5 TR capacity

M & L for rewiring of FHP motor with superior quality single core PVC insulated cable of suitable size/rating for 2.5 TR vertical type AC complete all as specified and directed.

M & L for rewiring of FHP motor with superior quality single core PVC insulated cable of suitable size/rating for 3.5 TR vertical type AC complete all as specified and directed.

M & L for rewiring of FHP motor with superior quality single core PVC insulated cable of suitable size/rating for 5.5 TR vertical type AC complete all as specified and directed.

M & L for charging only of refrigerant gas (R-22/407) in vertical type AC after detecting the leakage of refrigerant gas in the system and testing complete all as specified and directed for the following:-

2.5 TR cap vertical type AC

3.5 TR cap vertical type AC

5.5 TR cap vertical type AC

Supply only refrigerant gas M/F/R-407 duly filled in company sealed cylinders of capacity 10 Kgs for vertical /package type ACs complete all as specified and directed. Note : Gas cylinder will be provided by the contractor without any extra cost and the same will be returned after usage of gas.

M & L for cleaning of air duct through authorised company to remove dust, bacteria, mould spores and other foreign body by using HEPA filter vacuum unit and high pressure steam as required. Robotic video camera must be used for inspection, cleaning and sanitizing purpose. Access panels shall be fitted if required to gain access to clean the damper etc and shall be refitted with screws and sealant, after thorough cleaning, the system should be properly sanitized by using an EPA resister bacteriastat complete all as specified and directed. Contractor also reqiured to submit a proof of cleanig of duct by using robotic camera and the video film copied on AC CD in duplicate before and cleaning. One copy of CD will be kept on record of Engineer-in-charge and other copy shall be submitted during payment of RAR as well as final bill. No payment shall be made in absence of video proof. Notes : For payment made to contractor in coolling flour area of the buliding.

Supply, assembling and erection of GI sheet with C & SS rectangular/square duct made out of 'L' shaped hollow profile, duly factory boxed including all accessories such as corner, Cleat, Carriage bolt, Gasket and appropriate sealant on longitudinal joints etc of size 20 Guage complete all as specified and directed. Notes : (i) Duct shall be fabricated from galvanised sheet steel zink coated having zinc coating @120 gm/sqm total on both sides conforming to IS-277-2003. (ii) Work shall be installed in workman like manner.

S & F of crosslink XLPE foam nitrite rubber insulated on duct surface of size 8 mm to 9 mm thick on top, bottom and sides with adhesive and blank taping complete all as specified and directed.

M & L for hessian cloth lining of approved quality all around the duct with suitable size screws complete all as specified and directed.

S & F in replacement of MCCB, 3 pole adjustable type 36 KA, 250 Amps complete all as specified and directed.

S & F in replacement of MCCB, 3 pole adjustable type 36 KA, 160 Amps complete all as specified and directed.

S & F copper pipe along with PVC cushion of size 5/8" dia complete all as specified and directed.

S & F copper pipe along with PVC cushion of size 1" dia complete all as specified and directed.

M & L for sub main wiring with three runs of single core 6 Sqmm (nominal area) PVC insulated and unsheathed multi stranded copper conductor cable LT 1100 grade FRLS cable drawn into and including PVC casing and capping with all necessary fittings and accessories and 02 run of PVC insulated and unsheathed single core cable multi-stranded with copper conductor of size 4 Sqmm as continuous nuetral and earth wire (green in colour) respectively, run through PVC casing and capping and connected to the terminal and common earth dolly complete all as specified and directed. Note. Four run of cable and one run of PVC casing and capping and one run of earth continuity wire shall be measured as one run unit complete all as specified.

S & F triple pole and earth enclosure with a three pin and earth plug with socket complete with one triple pole MCB of capacity 32 Amps 'C' series complete all as specified and directed.

Avinash Enterprises

HVAC Engineering Co

SHYAM AND SONS ENTERPRISES

BRITE INDUSTRIES