Replacement of Air conditioners in the Astronomical observatory Thiruvananthapuram. (Retender)

Amount

AIR CONDITIONING WORKS

od53594/2022_2023 : Supply and fixing good quality of factory made powder coated MS frames<br>(condensor stand) with all required accessories including suitable size anchor bolts, anti vibration pads etc for mounting the out door unit of AC in position as required suitable for 1.5TR

od53595/2022_2023 : Supply and providing extra length of superior quality soft drawn bright annealed copper refrigerant pipes (suction and discharge) of suitable sizes for extending the refrigerant piping between ODU and IDU of the AC unit and properly insulating the copper pipes with 10 mm thick closed cell Class O elastomeric nitrile rubberised foam sleeve insulation and the joints, the pipes should be wound with teflon tapes with proper mechanical fixing including brazing, pressure check, leak testing etc as required.

od53596/2022_2023 : CONTROL CABLE<br>Supply and Installation of Joint Free Multi Core Armoured Control Cable between indoor unit and outdoor unit of required cross section as approved by the manufacturer without chances for electrical losses (Skytone/Universal/ Delton/Finolex)

od53597/2022_2023 : Supply , installation, testing and commissioning of fully charged (top-up as per site requirement) – 1.5TR, BEE Five Star, Indian Seasonal Energy Efficiency Ratio (ISEER) Service Rating of minimum 2.90.Window Air conditioning unit.<br>Fitted with Variable Capacity Dual Rotor Inverter compressor(Dual Inverter) of 180 Phase difference operating on either R32/R290 refrigerants, complete with of blowers, motors, bluefin/gold fin copper cooling tube coil and bluefin/gold fin copper condenser tube coil.<br>Indoor Noise levels at lesser than 50dB indoor.<br>Dimension 660mm x 430mm x 805mm<br>The machine should be window mounted capable of performing cooling, dehumidifying(moisture removal minimum 1.3 liters/hr) air circulation (Indoor flow – 300CFM) and filtering, featuring auto restart and wire less electronic remote control. <br>Electrostatic and deodorising filter(air filters : 90% efficiency filtering down to 10 Microns size, washable HDPE air filters)<br>The package shall have microprocessor control with cordless remote, rust resistant casing, heavy duty PVC drain pipe as required with two year on-site warranty, minimum 5 year compressor warranty and one year free service.<br>Make: - O General/Hitachi/Daikin/Mitusubhi [Note The Units should not be more than Four month old from the date of installation ]

od53598/2022_2023 : Supply, installation, testing and commissioning of wall mounting type 4 kVA<br>voltage stabilizer with input voltage range of 170 V - 270 V and having features of<br>high power efficiency, intelligent time delay system, Low & High voltage cut-off<br>protection, built-in thermal overload protection, LED indications etc suitable for<br>single phase 1-Ton / 1.5-Ton air conditioner unit with three years warranty and<br>three months replacement guarantee. (Make: V-Guard/ Philips/ Voltas/ Crompton Greaves/Godrej/ Microtek)

DISMANTLING EXISTING AC

15.12.1 : Dismantling doors, windows and clerestory windows (steel or wood ) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead:Of area 3 sq. metres and below

9.7.4.1 : Providing and fixing panelling or panelling and glazing in panelled or panelled and glazed shutters for doors, windows and clerestory windows (Area of opening for panel inserts excluding portion inside grooves or rebates to be measured), Panelling for panelled or panelled and glazed shutters 25 mm to 40 mm thick:Ply wood 7 ply, 9 mm thickDecorative plywood one side decorative veneer and commercial veneer on other face (Type I) conforming to IS 1328 BWR Type

Bidder Name

ELIZ ARCTIC