REPAIR AND ROUTINE MAINTENANCE OF VRF PLANTS AT NAVAL DOCKYARD MUMBAI UNDER GE (NW) KUNJALI, COLABA, MUMBAI

Amount

Repairs/ Routine basic maintenance (for one month) of VRF plants of existing make Toshiba/Carrier/Blue Star make of capacity ranging from 12 - 24HP having various outdoor units of following capacity including maintaining the plants for desired temperature of 21+/-3 degree celcius without interuption including repairs/ replacement of damaged/ unserviceable of only minor parts, controlling valves, copper tubings, nitrile rubber insulation, and all electrical/ electronics components, control wirings, sensors,Thermistors, thermocol inner packs,indoor/ outdoor fan motor windings, vibration pads, painting of rusted out door stands and connected accessories, drainage lines, pre filters control/ communication wirings,earthings, leak test and all other accessories not mentioned in this schedule complete all as specified and directed by Engineer-in-Charge. (Contractor shall quote for one unit for one month in the items as given below)

Out door unit of capacity 07 HP -3 Nos. (03 x 11 months=33 units)

Out door unit of capacity 14 HP - 2 Nos. (03 x 11 months=33 units)

Out door unit of capacity 16 HP - 4 Nos. (03 x 11 months=33 units)

Out door unit of capacity 18 HP - 04 Nos. (03 x 11 months=33 units)

Out door unit of capacity 20 HP - 01 Nos. (03 x 11 months=33 units)

Out door unit of capacity 22 HP - 02 Nos. (03 x 11 months=33 units)

Out door unit of capacity 24 HP - 01 Nos. (03 x 11 months=33 units)

Four way casette type indoor Unit of any capacity -35 Nos. (03 x 11 months=33 units)

Split hi wall type indoor unit of any capacity -65 Nos . (03 x 11 months=33 units)

Notes for BOQ Item 1.01- 1.09 (a) The contractor shall depute a technically competent AC mechanic, experienced and skilled duly trainedin adequate number for repair/comprehensive maintenance. (b) After handing over site the individual(s) shall attend MES AC plant complaint cell for all the VRF units mentioned above in General shift on daily basis and shall report to the JE concerned at the AC complaint cell for receiving the complaints. The contractor shall submit defects checklist within 15 days of commencement of work to Engr in charge. (c) AC Mechanic will be responsible to rectify the minor faults, routine cleaning and dry servicing of plant & filters. Any number of helper required for his assistance will be provided by Contractor and for the same rates are deemed to be included in above quoted rates. (d) Contractor shall submit ID proof, police verification, Residential proof and obtain approval of Engr-in-charge before employing a person as AC Mechanic. (e) AC Mechanic must be experienced in VRF AC Plant & capable to carry out any type of maintenance required for smooth functioning of above mentioned Plants.

(f) The cost of replacement of all minor parts shall deemed to included in the rate quoted by the bidder, for major repair replacement/maint shall be measured and paid seperately. (g) The contractor shall ensure visit of OEM/Rep of OEM/Authorised dealer of OEM Engineer once in a month and report/serviceability of outdoor/indoor units shall be submitted to this office duly signed. The charges of all OEM procedures are deemed to be included in above quoted rates. (h) Apart from the point brought out above the following scope of work shall also be part of the maintenance/routine repairs (however the list is inclusive and not exhaustive) j) Maintenance of the complete HVAC system so that performance of units are satisfactory. k) Monitoring of INDOOR and OUTDOOR units, Digital scroll system, PCB cards, MCB/MCCBs, heat exchanger, condenser motors, and any other associated works for proper functioning of indoor and outdoor units. l) Cleaning the fan coil unit on the outdoor units, including the fins, and the cleaning and changing of filters on outdoor (where applicable) and indoor units. m) Check Upon refrigerant leaks being most common causes of callbacks for inverter-driven heat pump systems.

m) Ensure that all thermostats are pre-set as required in the HPD Technical Requirements. n ) In winter, check for units with excessive ice build-up which may signify issues with the defrost cycle o) Maintain equipment maintenance checklists and service logs. p) Maintain a list of complaints q) All complaints shall be attended within 30-45 mins (Response Time) and rectification time of 2 hrs (max) in case of minor defects and within 1 days if case of major repairs within scope of the work. r) In case of failure on the part of the contractor to carry out minor repair / replacement and to keep the units in running condition as brought out above., the contractor is to pay penalty charges as under:- Above 24Hrs. @ Rs.1500/- per day GE's decision with regard to minor/major repair shall be final, conclusive and binding. s) Refrigerant piping along with all joint etc including detection/repairing of leakage, pressure testing, vaccum purging etc shall part of the scope of work. xii) The condensor drain water pipe cleaning, detection/repairing of pipes for any leakages, insulations etc and any other associated work for proper functioning of drain water disposal system. t) All control and power wiring between indoor and outdoor units. Any other associated work for proper and specified functioning of air conditioner system. Note- Register for daily inspections and works carried out shall be maintained and signed by concerned JE & shall be inspected by Engr in Charge monthly and kept on record before payment of RARs.

Supply and charging of Refrigerant fresh gas R 410 complete all as specified and directed by Engineer-in-Charge.

Supply and fixing the Compressor for Out door units according to the existing cat pt no. of VRF 18 to 16 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing the Control Board for Out door units according to the existing cat pt no. of VRF 18 to 16 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing the MNET Board, for Out door units according to the existing cat pt no. of VRF 18 to 16 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing the Noise filter for Out door units according to the existing cat pt no. of VRF 18 to 16 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing the Fan board for Out door units according to the existing cat pt no. of VRF 18 to 16 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing the Invertor board, for Out door units according to the existing cat pt no. of VRF 18 to 16 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing the Motor for Out door units according to the existing cat pt no. of VRF 18 to 16 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Compressor for Out door units according to the existing cat pt no. of VRF 14 to 10 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Control Board , for Out door units according to the existing cat pt no. of VRF 14 to 10 HP Unit including testing complete all as specified and directed.

Supply and fixing MNET Board, for Out door units according to the existing cat pt no. of VRF 14 to 10 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Noise filter for Out door units according to the existing cat pt no. of VRF 14 to 10 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Fan board for Out door units according to the existing cat pt no. of VRF 14 to 10 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Invertor board, for Out door units according to the existing cat pt no. of VRF 14 to 10 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Motor YC9201A, for Out door units according to the existing cat pt no. of VRF 14 to 10 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Compressor for Out door units according to the existing cat pt no. of VRF 7 to 12 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Control Board , for Out door units according to the existing cat pt no. of VRF 7 to 12 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing MNET Board, for Out door units according to the existing cat pt no. of VRF 7 to 12 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Noise filter for Out door units according to the existing cat pt no. of VRF 7 to 12 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Fan board for Out door units according to the existing cat pt no. of VRF 7 to 12 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Invertor board, for Out door units according to the existing cat pt no. of VRF 7 to 12 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Motor, for Out door units according to the existing cat pt no. of VRF 7 to 12 HP Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing PCB for four way casette/hiwall type indoor units of VRF Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Drain Pump for four way casette/hiwall type indoor units of VRF Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Blower motor for four way casette/hiwall type indoor units of VRF Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Linear expansion Valve for four way casette/hiwall type indoor units of VRF Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Addressing board for four way casette/hiwall type indoor units of VRF Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing Remote Controller for four way casette/hiwall type indoor units of VRF Unit including testing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing perforated cable tray of size 300mm x 50mm and 2.0mm thick painted powder coated pre galvanised hot dipped complete all as specified and taking out old u/s damaged cable tray complete all as specified and directed by Engineer-in-Charge.

Supply installation, testing & commissioning of mirror finish inside /outside refrigerant piping 25 to 42mm dia including thermal insulation out of hard drawn copper pipes suitable for VRV system including all fittings like bends elbows, tees with all internal joints type fittings pipe line must be tested for requisite pressure and must be supported at every 2.4mtrs in intervals. All refrigerant piping to be insulated with 19/13mm class "0" armaflex nitrile rubber complete refrigerant piping to be laid in GI tray and taking out old u/s damaged refrigerant Pipe all as specified and as directed by Engineer-in-Charge.

All as per item No 32.00 but 6.5mm to 16mm dia

Supply and fixing condenser coil for outdoor unit of VRF capacity 7 HP including leak testing by Nitrogen complete all as specified and directed by Engr-in-Charge”

All as per item No 34.00 above but capacity 10 HP

All as per item No 34.00 above but capacity 12 HP

All as per item No 34.00 above but capacity 14 HP

All as per item No 34.00 above but capacity 16 HP

All as per item No 34.00 above but capacity 18 HP

Supply and fixing cooling/Evaporator coil for four way/Hi-wall indoor unit of capacity 1.7/1.8 TR including testing complete all as specified and directed by Engr-in-Charge.

All as per item No 40.00 above but 2.8 TR

All as per item No 40.00 above but 3.2 TR

All as per item No 40.00 above but 3.9 TR

Supply and fixing Mother board for four way Cassette/HI-wall type indoor units of VRF Unit including testing complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement of various type of sensors for four way Cassette/Hi-wall type indoor/outdoor units of VRF Unit including testing complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement of Communication cable of size 1.5 sqmm 3 core non polarity cable with end termination between indoor to outdoor units, communication cabling between the individual controllers to the main central controller with suitable size PVC conduit incl accessories etc complete all as specified and directed by Engr-in-Charge.

Supply and fixing solenoid valve for four way Cassette/ Hi-wall type indoor units of VRF including testing complete all as specified and directed by Engr-in-Charge.

somnath engineering corporation (BID ID -3082410)

Shree Ayyappa Engineering (BID ID -3090537)