Supply, Installation, Testing and Commissioning of Air Conditioners for the EC lab at the Controller of Examinations Building at SH Campus Palayam. (Retender)

Amount

AIR CONDITIONING

od121915/2022_2023 : VRF/VRV OUT DOOR UNIT- 20 HP<br>Supply, Freight, Loading, unloading of direct expansion type VRV/VRF 20HP outdoor units (VRT/PET Technology with Automatic Phase Sequence Controller) of said capacity complete with condenser, fans, hermetically sealed dual/triple scroll compressor operating on R410A or equivalent refrigerants, controls and control wiring and wired touch screen remote control unit with rubber pads Each module of outdoor unit must have at least 50 % of Variable compressor which can work on Part load Suitable to operate at heat load proportional to indoor requirement. The ODU must deliver COP of minimum 4.7 at 50 % load. Safety Features :- (a.)High Pressure Switch. (b.)Fuse. (c.)Fan Drive OLP. (d.)Fusible plug (e.)OLR (f.)OLP for Inverter/digital. (g.)Single Phase preventer. With necessary mounting at site with full insurance coverage during factory to site or for any other contingencies (MITSUBSHI/DAIKIN/HITACHI/BLUESTAR/VOLTAS/PANASONIC/CARRIER).<br>The quoted price should be arrived at after adjusting the discount for the buyback value of Hitachi Make Micro Cool units – 7.5 TR x 2 Nos and 5.5 TR x 1 No. The scope of buyback work includes dismantling the outdoor units, indoor units, connecting wires and copper piping from their existing locations without disturbing the ducting and ceiling and removing from site at contactor’s expense.

Indoor Unit

od121985/2022_2023 : REFRIGERANT PIPING<br>Supply and installation of Refrigerant piping with 19/13mm thick nitrile rubber insulation with proper supports (Liquid & Discharge Line)<br>Copper Pipe - Totaline/Mandev make only<br>Nitrile Rubber Insulation - Armaflex/K flex only

od121986/2022_2023 : Condensate Drain Pipe<br>Supply and fixing in position of condensate drain water & indoor unit drain to the outside piping with 9mm thick nitrile rubber insulation and with necessary fittings like elbows, teese and reducers etc Openings as good as same

od121987/2022_2023 : CONTROL CABLE - VRF/VRV <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

od121988/2022_2023 : Placing, Testing and Commissioning of VRF/VRV outdoor units including gas charging

od121990/2022_2023 : VRF COMMISSIONING<br>Testing, commissioning of the units, treatment of exposed piping with weather proof mechanical paint & GI saddles & stand for piping inclusive of Poly shield tape wrapping over the gas and liquid linesand weather proof paint for exposed portions

od121992/2022_2023 : COPPER - YJOINTS with Insulation.<br>Supply of superior quality with copper Y Joints with superior quality insulation and supports, suitable for the equipment manufacturer's standards

od121993/2022_2023 : Supplying and fixing 4-pole sheet steel enclosure conforming to IEC: 61439-3 on surface / in recess and suitable for mounting MCB / Isolator complete with connections, testing, commissioning etc. as required.

od121994/2022_2023 : REWORKING DUCT THERMAL INSULATION<br>Supplying and fixing 6 mm thick closed cell elastomeric Nitrile foam rubber having a density of 40-60 Kg/m³ (class "O") insulation on the existing Supply Air Duct after applying two coats of cold setting adhesive (CPRX compound). The joints shall sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation and having Microban certified anti-microbial protection complete as per specifications and as required.

od121999/2022_2023 : AC outdoor mounting stand in mild steel angle iron, fabrication, painting, installation at site to mount the outdoor unit 20 HP VRF/VRV UNIT - Custom made frame

od122000/2022_2023 : MOUNTING STAND AC IDU.<br>Powder coated MS Stand with damper pads and vibration isolation mechanisms

Buy Back and AMC

od122660/2022_2023 : Comprehensive Maintenance Contract Charges for air conditioners for the fourth year, Inclusive of all labour charges, spares, consumables, wear and tear items, all fusible items, timely fulfilment of all statutory norms . Break down calls to be attended within 12 working hours. Payment of CMC charges shall be on pro-rata quarterly basis after completion of each quarter. Penalty for period in which the lift is out of order in excess of 72 hours, shall be @Rs.1500/-(Rupees One Thousand Five Hundred Only) per 24 hours for each air conditioner separately from the time of break down, further details of the CMC charges and percentage to be filled as per annexure E

od122661/2022_2023 : Comprehensive Maintenance Contract Charges for air conditioners the fifth year, Rate inclusive of all labour charges, spares, consumables, wear and tear items, all fusible items, timely fulfillment of all statutory norms . Break down calls to be attended within 12 working hours. Payment of CMC charges shall be on pro-rata quarterly basis after completion of each quarter. Penalty for period in which the air conditioner is out of order in excess of 72 hours, shall be @Rs.1500/-(Rupees One Thousand Five Hundred Only) per 24 hours for each lift separately from the time of breakdown. The value of the CMC Charges for the fifth year to be quoted in Rupees. The Percentage of hike in CMC charges to the fifth year from the fourth year shall be applicable for the future period with respect to consecutive years till useful/economic life of the equipment. Details of the percentage of hike to be filled as per annexure

od122662/2022_2023 : Alteration of the mouth of the existing air delivery duct to suit the ducts of the with supply of factory fabricated flexible canvas connection with double zib to interconnect the Indoor unit and ducts

CASTLE ENGINEERING CONSULTANCY

Bidder Name

cool master

CASTLE ENGINEERING CONSULTANCY