MAINTENANCE/ REPAIR/ SERVICING FOR AIR CONDITIONER PLANTS AT IT SECTION/UG COMMUNICATION ROOM/ BASE SAFETY EQUIPMENTS STORE/ V-5 LAB AND CERTAIN MISC WORKS AT AF STATION UDHAMPUR

Amount

Maintenance//servicing/repairing/cleaning/painting works/ for AC plant package type 10x 3 = 30 TR package plant, condenser Air cooled type- 06 Nos, Compressor 5.5 TR-06 Nos, Thermometer/ pressure guage/ complete duct/ AHU package complete system, Connection tubes, PCB & sensor system, humidifier system (heating)/ hot water generator and the following works/ maintenance carried out this scope work and replacement of unserviceable parts paid separately mentioned and complete all as specified and directed by Engineer-in-Charge (IT Section)

Maintenance//servicing/repairing/cleaning/painting works/ for AC plant package type 11x 3 = 33 TR package plant, condenser water cooled type- 06 Nos, Compressor 6 Nos, mono block pump 2 HP-02 Nos, Cooling tower motor 2 HP - 01 No, Thermometer, pressure guage/ complete duct/ AHU package complete system, Connection tubes, PCB & sensor system, humidifier system (hot water generator) and the following works/ maintenance carried out this scope work and any other major parts changedpaid separately mentioned and complete all as specified and directed by Engineer-in-Charge ( Base Safety)

Routine/ Maintenance//servicing/repairing/cleaning/painting works/ for AC plant cheller type 26x3 = 78 TR plant, condenser water cooled type - 06 Nos, Compressor - 06 Nos, Mono block pump 2 HP-02 Nos, Mono block pump 5 HP - 4 Nos, Cooling tower motor 3 HP - 01 No, Thermometer, pressure guage/ complete duct/ AHU package complete system, Connection tubes, PCB & sensor system, humidifier system (hot water generator) and the following works/ maintenance carried out this scope work and any other major parts changedpaid separately mentioned and complete all as specified and directed by Engineer-in-Charge ( Communication Room)

Routine/ Maintenance//servicing/repairing/cleaning/painting works/ for AC plant cheller type 13x3 = 39 TR plant, condenser water cooled type - 06 Nos, Compressor - 06 Nos, Mono block pump 2 HP-02 Nos, Mono block pump 5 HP - 4 Nos, Cooling tower motor 3 HP - 01 No, Thermometer, pressure guage/ complete duct/ AHU package complete system, Connection tubes, PCB & sensor system, humidifier system (hot water generator) and the following works/ maintenance carried out this scope work and any other major parts changedpaid separately mentioned and complete all as specified and directed by Engineer-in-Charge ( V-5 Lab)

Routine/ Maintenance//servicing/repairing/cleaning/painting works/ for AC plant cheller type 39x3 = 117 TR plant, condenser water cooled type - 09 Nos, Compressor - 09 Nos, Mono block pump 10HP- 04 Nos, Mono block pump 5 HP - 2 Nos, Cooling tower motor 3 HP - 01 No, Thermometer, pressure guage/ complete duct/ AHU package complete system, Connection tubes, PCB & sensor system, humidifier system (hot water generator) and the following works/ maintenance carried out this scope work and any other major parts changedpaid separately mentioned and complete all as specified and directed by Engineer-in-Charge (WSA (Bomb Domb))

Routine/ Maintenance/ Servicing/ Repairing/cleaning/painting works for AC plant cheller type 48x3 = 144 TR plant, condenser water cooled type-12 Nos, compressor- 12 Nos, Mono block pump 10 HP-04 Nos, mono block pump 5 HP-02 Nos, cooling tower motor 3 HP - 01 No, Thermometer, pressure guage/ complete duct/ AHU package complete system, connection tubes, PCB & sensor system, humidifier system (hot water generator) and the following works/ maintenance carried out this scope work and any other major parts changed paid separately mentioned and complete all as specified and directed by Engineer-in-Charge (New ATC Building)

Note for Item Serial No 1,2,3,4,5 & 6 above:- (a) Above all attending to complaint/ breakdown calls when called upon. Repair/ replacement of microprocessor control if installed. Reporting the healthiness of the plant and suggesting improvement (if any). (b) The work will be carried out either by Voltas personnel of its authorized sub-contractors as directed by Voltas. (c) This scheme does not cover damage to equipment/ ancillaries or failure due to environmental conditions and due to contaminated/ hard water, there items measured and paid separately under respective schedule. (d) Each plant will be tested in the presence of GE, Engineer-in-Charge and representative of the user unit. (e) The test results shall be recorded and shall be preserved duly signed by the Contractor, GE, Engineer-in-Charge and representative of the user unit. (f) The contractor shall get the sample of all the materials approved from GE in presence of representative of user before placing the order for bulk procurement. (g) The material procured and brought at site by the contractor shall be got approved from Engineer-in-Charge in presence of representative of user before incorporation in the work:- (a) Clean water strainers. (b) Check the earth connection and fuses. (c) Clean the condenser and other equipments. (d) Check for leakage of gas (exterior). (e) Clean the controls. (f) Clean all the air filters. (g) Check compressor oil for discoloration or contamination. (h) Check starting and running current and voltage while running. (j) Check the insulation resistance valve. (k) Defrost cooling coil, close suction line slowly and not the efficiency. (l) Check leak in the seal of shaft. (m) Check leak LP and HP cut-outs i.e. 5 lbs/ inch 2 for LP and 150 lbs/ inch 2 for HP. (n) Check expansion valves. (o) Check the entire syswtem with the help of water and soap. (p) Clean the drip tray with water. (q) Check the condition of blower fans, shafts and its direction of ratation. (r) Check the duct condition. (s) Check the working of the plants and limits of vibration and noise. (t) Carryout the capacity test. (u) Check suction and delivery of the compressor and its efficiency. (v) Clean the condenser with compressed air, brush and water carryout pressure test at 250 psi of CO2 for any leaks. (w) Dismantle the weather make chamber by removing duct connections and opening the return air box, clean the evaporator coil, drip tray, ducting and repair the return air box (if required), paint the system and re-install the same. (x) Overhaul the blower motor including cleaning of runners. (y) Check the service valves for wear. (z) Overhaul the compressor motor and starter (aa) Clean the contacts of LP/HP switches (ab) Check the adjust the alignment of velts and their tension (ac) Check the wiring and all the connections including meggering (ad) Complete test for leaks (ae) Check termostatic switch and clean the contacts (af) Water cooled system/ water line cleaning and painting including cooling tower (ag) All pump any size overhauling and repairing/ replacement of unserviceable gland/ shaft/ bearing/ gland cooping complete (ah) Cooling tower cleaning with scrappers.

M&L for cleaning condenser tubes of under mentioned central AC plant by disconnecting the condenser from the system, cleaning by descaling pump of suitable capacity of 110 feet head using descaling solution of make : MAIC/ HIBIRD or Hydrolic acid 20% cleaning the system through cooling tower including water pipe line complete by using descaling system, cleaning condenser tubes by Nylon brushes by descaling water pressure pump and mild steel road of suitable size renewal of section water filter for the following AC plant. Note : (a) T&P such as pump tubes etc and descaling solution etc shall be arranged by the contractor at his own cost. (b) Cleaning gate valve butter fly and gaskit etc by opening and reassembling at the same position for the proper functioning of plant is also included in above said work.

10x3 = 30 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 10 TR, 06 Nos having three condenser tubes (location IT Section)

11x3 = 33 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 11 TR, 06 Nos having three condenser tubes. (location Base Safety)

26x3 = 78 TR, capacity plant (double circuit) IT section set of 3 compressor of 06 Nos having three condenser tubes (location Communication Room)

13x3 = 39 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 13 TR, 06 Nos having three condenser tubes (location V-5 Lab)

39x3 = 117 TR, capacity plant (double circuit) IT section set of 3 compressor of 09 Nos having three condenser tubes (location WSA)

48x3 = 144 TR, capacity plant (double circuit) IT section set of 3 compressor of 12 Nos having three condenser tubes (location New ATC)

Carrying out pressure leak testing by Nitrogen gas of the system of AC plant for leak proof valve joints seal and other connected control etc including identifyuing and rectifying of the leaks defects (if any) and maintaining constant pressure complete all as specified and directed by Engineer-in-Charge. Note : The arrangement of T&P and Nitrogen gas shall be contractor responsibility)

10x3 = 30 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 10 TR, 06 Nos having three condenser tubes (location IT Section)

11x3 = 33 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 11 TR, 06 Nos having three condenser tubes. (location Base Safety)

26x3 = 78 TR, capacity plant (double circuit) IT section set of 3 compressor of 06 Nos having three condenser tubes (location Communication Room)

13x3 = 39 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 13 TR, 06 Nos having three condenser tubes (location V-5 Lab)

39x3 = 117 TR, capacity plant (double circuit) IT section set of 3 compressor of 09 Nos having three condenser tubes (location WSA)

48x3 = 144 TR, capacity plant (double circuit) IT section set of 3 compressor of 12 Nos having three condenser tubes (location New ATC)

Cleaning of AHU cooling coil after dismantling font portion of AHU) by applying high air pressure followed by descaling solution and then washing with water pressure using jet pump and reassembling thereafter complete all as specified and directed by Engineer-in-Charge. Note : Including servicing of AC duct cleaning etc setting of grills louvers and positions of proportioning dampers and also minor repair to duct insulation complete for the following AC plant)

10x3 = 30 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 10 TR, 06 Nos having three condenser tubes (location IT Section)

11x3 = 33 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 11 TR, 06 Nos having three condenser tubes. (location Base Safety)

26x3 = 78 TR, capacity plant (double circuit) IT section set of 3 compressor of 06 Nos having three condenser tubes (location Communication Room)

13x3 = 39 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 13 TR, 06 Nos having three condenser tubes (location V-5 Lab)

39x3 = 117 TR, capacity plant (double circuit) IT section set of 3 compressor of 09 Nos having three condenser tubes (location WSA)

48x3 = 144 TR, capacity plant (double circuit) IT section set of 3 compressor of 12 Nos having three condenser tubes (location New ATC)

Taking out residual refrigerant and gas from AC plant into empty cylinder of refrigerant gas the following capacity AC plant and depositing the same in AGE E/M store yard for further reuse complete of the under mentioned AC plant all as specified and directed by Engineer-in-Charge. Note : (i) Empty cylinder will be issued temporary by the department. (ii) All accessories and T&P require for transfer of gas into cylinder will be arrangement by the contractor at his own cost.

10x3 = 30 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 10 TR, 06 Nos having three condenser tubes (location IT Section)

11x3 = 33 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 11 TR, 06 Nos having three condenser tubes. (location Base Safety)

26x3 = 78 TR, capacity plant (double circuit) IT section set of 3 compressor of 06 Nos having three condenser tubes (location Communication Room)

13x3 = 39 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 13 TR, 06 Nos having three condenser tubes (location V-5 Lab)

39x3 = 117 TR, capacity plant (double circuit) IT section set of 3 compressor of 09 Nos having three condenser tubes (location WSA)

48x3 = 144 TR, capacity plant (double circuit) IT section set of 3 compressor of 12 Nos having three condenser tubes (location New ATC)

Taking out Nitrogen gas (residual) after flushing, pressure testing and vaccumising the whole AC plant with the help of vaccum pump and leaving the plant for 24 Hrs for checking the leak point and commissioning the plant by charging refrigerant gas complete for the following plants all as specified and directed by Engineer-in-Charge. Note :- 1. Arrangement of vaccum pump shall be the contractor's responsibility. 2. Refrigerant gas for charging shall be measure and paid separately under respective item as supply only.

10x3 = 30 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 10 TR, 06 Nos having three condenser tubes (location IT Section)

11x3 = 33 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 11 TR, 06 Nos having three condenser tubes. (location Base Safety)

26x3 = 78 TR, capacity plant (double circuit) IT section set of 3 compressor of 06 Nos having three condenser tubes (location Communication Room)

13x3 = 39 TR, capacity plant (double circuit) IT section set of 3 compressor of capacity 13 TR, 06 Nos having three condenser tubes (location V-5 Lab)

39x3 = 117 TR, capacity plant (double circuit) IT section set of 3 compressor of 09 Nos having three condenser tubes (location WSA)

48x3 = 144 TR, capacity plant (double circuit) IT section set of 3 compressor of 12 Nos having three condenser tubes (location New ATC)

M&L R-22/407 & 410 Gas charging- Ductable and packaged include welding work

M&L N2 Flushing, leakage testing and Vaccummissing

M&L Motorized Dampers for Ductable AC

M&L Motorized Dampers for Packaged AC

M&L for the following spare parts complete all as specified and directed by the Engineer-in-Charge

Compressor 5.5 ton capacity (make : Voltas)

PCB circuit Ductable AC

PCB curcuit Packaged AC

Blower motor IDU Ductable AC

Blower motor IDU Packaged AC

Condensor fan motor ODU Ductable & Packaged

Air Filter - Ductable AC

Air Filter - Packaged AC

Blower Ductable AC

Blower Packaged AC

Single Phase preventor

AL powder coated Grill

AL powder coated Diffusers

Motorized Dampers for Ductable AC

Motorized Dampers for Packaged AC

HP-LP Switch Ductable AC

HP-LP Switch Packaged AC

Sensor for ductable AC

Sensor for Packaged AC

Expansion valve 5.5 TR

Insulation Nitrile Rubber 13mm

Canvass Connection fire proof

Any size copper piping, insulation, supporters, Nut bolts, painting of pipe (required) Angle bracket complete

Acoustic sound proofing

2 HP motorwith long shaft, 3 phase, 415 volt, 50 Hz complete set the existing model complete including suitable starter all as specified and directed by Engineer-in-Charge (Make - Kirlosker/ CRI/Texmo)

3 HP motorwith long shaft, 3 phase, 415 volt, 50 Hz complete set the existing model complete including suitable starter all as specified and directed by Engineer-in-Charge (Make - Kirlosker/ CRI/Texmo)

MCCB 4 Pole, Microprocessor Based 250A, Breaking capacity 36 KA, 415 V, 50 Hz with OL, SC, protection - 01 Nos (Make : Siemens : 3VT2725-2AA46-0AA0 & 3VT9225-6AP00/ L&T : CM921510000AG & equivalent Schneider)

MCCB 4 Pole, Microprocessor Based 100A, Breaking capacity 36 KA, 415 V, 50 Hz with OL, SC, protection - 01 Nos (Make : Siemens : 3VT1710-2EC46-0AA0 L&T : DZ1F0100DXH1A & equivalent Schneider)

MCCB 4 Pole, Microprocessor Based 160A, Breaking capacity 36 KA, 415 V, 50 Hz with OL, SC, protection - 01 Nos (Make : Siemens : 3VT2725-2AA46-0AA0 & 3VT9226-6AP00/ L&T : CM921510000AG & equivalent Schneider)

Heating element 3000 watts

Power contactor 32 Amps 3 pole as per sample

Power contactor 100 Amps 3 pole as per sample

Air pressure meter/ guage as per existing model

Temperature meter/ guage as per existing model

GM gate valve glope type 15mm

Disconnecting the motor with centrifugal pump set and repair/ rewinding of motor of capacity 3/5 HP three phase 415 Volts, 50 Hz by rewinding the motor with super enamelled copper conductor of standard size including varnish, insulation paper and tape. Assembly of motor with pump set with necessary studs, bolts, washers and bearing etc complete all as specified and directed by the Engineer-in-Charge

Disconnecting the motor with centrifugal pump set and repair/ rewinding of motor of capacity 7.5/10 HP three phase 415 Volts, 50 Hz by rewinding the motor with super enamelled copper conductor of standard size including varnish, insulation paper and tape. Assembly of motor with pump set with necessary studs, bolts, washers and bearing etc complete all as specified and directed by the Engineer-in-Charge

Supply and replacement of cast iron butterfly valve, SS dise with hand lever operated, lining test pressure PN 1.6 ISI marked of size 100mm dia including welding work all fitting such as nuts, bolts, washers and rubber gasket etc complete in all respect all as specified and directed

Supply and replacement of cast iron butterfly valve, SS dise with hand lever operated, lining test pressure PN 1.6 ISI marked of size 80mm dia including welding work all fitting such as nuts, bolts, washers and rubber gasket etc complete in all respect

AMC maintenance/ repair/ fire alarm system of detectors complying with and type certified to EN-54 / addressable type smoke and heat multisensor detector photoelectric/ optical with base with self built indigence, Fire alarm control panel complying with BS EN 54 single loop panel of capacity from 99 detectors and modules upto 200 detector, addressable manual call point resettable, fire alarm sounders/ sirens electronic type horizontal single stage continuous normal operation, remote response indicators including replacement of unserviceable spare parts complete all as specified and directed by the Engineer-in-Charge (IT Section/ Logistic/ Communication room/ 711 SU/ ATC/ WSA) Note : Rates are inclusive of the accessories required for repair and maintenance of any spare parts for making system serviceable again

M/S M P Construction Co

LUXMI ELECTRONIC WORKS

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