Annual Comprehensive Maintenance of Air conditioners, Ventilation systems and Solar Water Heating Systems in various buildings in IIT Madras for the year 2020-21

Amount

AMC of Window/split/cassette/ductable split /packaged Acs - Comprehensive annual maintenance charges for the Window, split, package, ductable, cassette model air conditioners of following capacity including replacement with new compressors and all spares of the machines like indoor units, fan motors and blades, condensers, remote controllers, control wirings and terminal blocks & cover, vacuumising, pressure testing and gas filling if necessary during maintenance.(Machines details and locations as per Annexure)

AMC of Kitchen Exhaust System/Toilet ventilation systems - Non Comprehensive Maintenance of Kitchen exhaust system at roof top of the building of various capacities.This will include routine servicing/ regular maintenance, filter cleaning, preventive mainteanance of equipments and breakdown repairs as and when occurred, ensuring that system does not remain out of service for a period not less than 4 hours in case of major breakdowns and one hour in case of minor breakdowns due to any unforeseen breakdown. The rate shall include for consumables including belts required(2 Belts per contract can be considered) for satisfactory maintanace of the installation. In case of replacement of spares required for other than belts,oiling and greese will be paid extra.

Kitchen Exhaust System and fresh air system

Toilet ventilation System

Charges for removing the following rating /model air conditioners from the existing position including transport and safely handed over to store.

Upto 2.0 TR window model Acs

Upto 2.0 TR split model Acs(both indoor & Outdoor unit)

Upto 8.5 TR ductable split/Packaged Acs(both indoor& Outdoor unit)

Installation charges for the following rating split/ductable split/packaged and cassette type air conditioners from one position to other position including the pump down, nitrogen pressure testing, vaccumising and refilling of gas and making the machine in good working condition. (ACs will be supplied from our stores at free of cost. The contractor should arrange for transport from stores to respective locations.

Upto 2.0 TR window model Acs

Upto 2.0 TR split model Acs(both indoor & Outdoor unit)

Upto 8.5 TR ductable split/Packaged Acs(both indoor& Outdoor unit)

Gas charging for 1.5TR/2.0 TR compressor including pressure holding and leak testing.

Gas charging for ductable/packaged type ACs including pressure holding and leak testing.

Refrigerant copper piping(Suction & discharge) for split ductable split and cassette type air conditioners upto 3.0 TR.

Refrigerant Hard drawn copper piping(Suction & discharge) for ductable split /packaged type air conditioners upto 8.5 TR.

Thermal insulation for copper pipes using suitable foam insulation/Nitrile rubber insulation. (Necessary scafolding/ladder to be provided by the contractor).

Supplying & replacement of condensing/evoporator coil with copper tube with aluminium fins in place of aluminium tube with aluminium fins of the following Acs.

Upto 2.0 TR window AC/Split Acs

Supply and fixing of following accessories while attending shifting the Acs from one location to other location/not covered under the AMC/warranty.

45/50 MFD capacitor

Reconditioning of Outdoor fan motor suitable for split Acs upto 2.0TR

Reconditioning Indoor fan motor suitable for split Acs upto 2.0TR

25 mm water line drain pipe

38/40 mm water line drain pipe

50mm dia water line drain pipe

3 core 2.5 sq.mm copper Chord wire

out door fan blade

Mounting angle for outdoor AC unit

PCB serving for Acs upto 2.0 TR

Strainer capilliary tube

Fan capacitor

Non comprehensive Annual maintenance contract of Flat plate Collector Solar Water Heating HTF based System with water tank made out of stainless steel confirming to SS 304 insulated with PU foam. The 500 LPD with 4 collectors and 1000 LPD with 8 nos of collectors. The out flow temperature is an average of 60°C. Collectors as per BIS and approved as per MNRE specifications. Collector equipped with anti-condensation system and as per the enclosed specfication vide Annexure A

100 LPD SWH System

500 LPD SWH system

1000 LPD SWH system

Supply & repacement following accessories in the existing solar water system.

2000w heating element with thermostat

Make up tank of 2 litres capacity made up SS 304 to suit the existing system

Glass for HTF based solar collector

Charges for insulating the pipe of 40/50mm dia with rock wool/PUF covered with aluminium cladding

GEMINI COOLING SYSTEMS PROJECTS PRIVATE LIMITED

Voltas Limited