WBPWD/SSEWEC /BRED /NIQ-26 /2026-27

Annual Comprehensive maintenance of 1.5 Ton capacity Split AC machine with necessary accessories & materials . ( 45 Nos. AC machine X 12 Month = 540 nos )

Annual Comprehensive maintenance of 2 Ton capacity Split AC machine with necessary accessories & materials . (32 Nos. AC machine X 12 Month = 384 nos )

Annual Comprehensive maintenance of 4 Ton capacity Tower/Casstte/Doctable type AC machine with necessary accessories & materials . (25 Nos. AC machine X 12 Month = 300 nos )

A. Scope of Work: The scope includes routine, preventive, corrective and Breakdown maintenance of the all Window, Split, Concealed Split, cassette, ductable, Tower & Package type AC machines, starting from Power supply point (Timer/Starter) to complete AC unit, within the premises, including but not limited to Supply, repair, and replacement of all spare parts and components.

A.1. General Requirements. 1.1 Spare Parts & Components and activities Covered The contract includes repair/replacement of:  Compressor  Blower motor / fan motor  Condenser & evaporator coils  P.C.B. and Power Supply Card, wherever applicable.  Copper tubing and piping  Capacitors (mandatory P2/S2 type, IEC 60252-1 compliant)  Relays, thermostats, contactors  Remotes  Air filters  Electrical wiring and controls related to A.C. machines  Sheet metal body parts  Nitrile Rubber Insulation of different sizes  Minor Duct repair including G.I. Sheet, Thermal and Acoustic Insulation, mason covering for outside ducts etc.  Refrigerant gas  Drain Pump All replaced materials must be:  New and OEM approved quality  Approved by Engineer-in-Charge (EIC) prior to installation

The agency shall: 1.2 Materials & Consumables Provide all consumables required for maintenance, including:  Cotton waste, insulation tape, Ferrules and lugs, Lubricants &grease, cleaning agents, Soaps etc.  Fasteners, nuts& bolts, Drain pipe fittings, Copper pipe insulation, Contact cleaner spray  Belts for AHU / ductable blowers, Refrigerant  All Logbooks and/ or Register as mentioned in this document

1.3 Tools & Instruments Provide and maintain calibrated tools and instruments, including:  Digital multimeter, Digital Clamp-on ammeter  Insulation resistance tester, Thermal Imaging Scanner  Pressure gauges, Infrared thermometer and Digital Psychrometers  Decibel Meter or SPL (Sound Pressure Level) Meter  Air velocity meter / anemometer  Coil cleaning chemical sprayer  Fin comb for condenser/evaporator fins  Vacuum cleaner / blower for cleaning indoor and outdoor units  High-pressure Water jet pump for condenser coil cleaning  Vacuum pump and Refrigerant charging hose set  Nitrogen cylinder with regulator for pressure testing  Brazing set with gas cylinder  Drain line flushing pump  Complete set of screwdrivers, Line Tester, Pliers & Stripper, spanners, Allen keys, adjustable wrenches, Hackshaw & Hammer, Electric Drill machine.  Insulated ladder  Chain pulley block (for heavy equipment where required)etc

1.4 Uniform and Safety Gear (Applicable only when dedicated manpower is included in BOQ) Ensure all staff use proper uniforms. Provide at least two sets of uniforms and safety gear (helmet, Umbrella, raincoat, gumboots, etc.) to each staff member. The color end embossing should be as per direction of EIC. 1.5 Attendance & Monitoring (Applicable only when dedicated manpower is included in BOQ)  Provide biometric attendance system for agency deployed staff if dedicated manpower is considered in BOQ.  Maintain and monitor attendance records  Maintain Registers and logbooks 1.6 Security Ensure watch and ward of all installations