Providing Centralized Air Conditioning Arrangement from 3rd floor to 6th floor (A-Wing Staff Sections) in TNHB Head Office in Pocket 6 (2 B.F plus G.F plus 7 Floors) at CIT Nagar 1st Main Road, Mambalam Village and Taluk, Chennai

3rd Floor, 5th Floor & 6th Floor

4th Floor, 5th Floor & 6th Floor

Installation Charge of Variable Refrigerant Flow (VRF) Out Door Unit from 3rd Floor to 6th Floor

3rd Floor, 5th Floor & 6th Floor

4th Floor, 5th Floor & 6th Floor

Supply and installation of Twinning Kits for Variable Refrigerant Flow (VRF) Out Door Unit from 3rd Floor to 6th Floor, Installation Cost inclusive of lifting, leading positioning and alignment along with necessary anti vibration rubber pads required fasteners etc.,

Supply of Indoor Cassette Units with necessary 4 way grill /micro-controller, drain pump , provision for fresh air Connection etc. of following configuration

1.5 TR Capacity (Four Way Cassette Unit)

2.0 TR Capacity (Four Way Cassette Unit)

3.0 TR Capacity (Four Way Cassette Unit)

4.0 TR Capacity (Four Way Cassette Unit)

Supply and Installation of Refnuts for the Indoor Cassette Units with necessary 4 way grill /micro-controller, drain pump , provision for fresh air Connection etc. of following configuration

Supply of 19 G Copper Refrigerant Piping with 19mm thick Closed Cell rubber nitrile insulation for gas line and 13mm for liquid line of following sizes- Inclusive of necessary Supports with Ladder type cable tray as per standard practices. For Pipes Exposed to Atmosphere - Treatment of Piping with Woven Glass Cloth , ~ 100 gsm, finished in U/V Treated, pigmented Epoxy for Outdoor Piping, as per code. necessary pipe sizing to be done by successful bidder.

3rd Floor to 6th Floor

Installation, Testing and Commissioning of 19 G Copper Refrigerant Piping with 19mm thick Closed Cell rubber nitrile insulation for gas line and 13mm for liquid line of following sizes- Inclusive of necessary Supports with Ladder type cable tray as per standard practices. For Pipes Exposed to Atmosphere - Treatment of Piping with Woven Glass Cloth , ~ 100 gsm, finished in U/V Treated, pigmented Epoxy for Outdoor Piping, as per code. necessary pipe sizing to be done by successful bidder.

3rd Floor to 6th Floor

Supply, Installation, Testing & Commissioning of Interconnecting copper shielded control cabling between IDU's & ODU's. The cabling shall be well supported / tied up with the ref line. In PVC conduits of Black colour with Junction boxes required as per the indoor unit locations.

3rd Floor to 6th Floor

Supply Installation Testing and Commissioning of UPVC Pipes

32mm dia UPVC Pipe

25mm dia UPVC Pipe

Supply and Installation of GI Hot Dip / Powder Coated 16 SWG Cable Tray with 300mm width and 50mm height

Supplying and Filling REFRIGERANT GAS - R410A

Nitrogen Pressure testing in 3 stages for the above copper piping,VRV indoor and outdoor units System

Making Core Cutting in slabs / beams / retaining walls and any other R.C members to any dia & depth by using diamond drilling machine with tolerance for any type of inserts, anchor fasteners etc. Rate shall include for sealing the gaps between RC surface with GP 2 grout and inserts with fire retardant grouting material as per manufactures specification. Rate including all materials, labour charges, wastages with necessary lead and lifts, working at all levels, transportation charges, loading, unloading, preparation of surface, scaffolding, stagging, tools and plants, fuel, curing, cleaning, testing, consumables, fasteners, screws, adhesives, and fixing materials etc., and complying with relevant standard specification, as directed by the Engineer-in-charge.

Supply of TNEB LTCT 110KW EB Metering Panel ( Copper Bus Bar & MRT CT Coill & 250A TPN Enclouser Box)

Supply of 200A ATS Panel : 200A 4P ATS - 1 Nos. Contractor 200A - 2 Nos. - Make - Socotech & L&T - Make , EB R,Y,B & DG - R,Y,B, EB - On, DG - On, Load - On - Lamp - L&T - Make

Supplying laying and installation of 240 Sq.mm Alu. Armoured UG cable from Pillar Box to LTCT Panel

Supplying laying and installation of 70 Sq.mm Alu. Armoured UG cable from Pillar Box to LTCT Panel

Hydraulic Door Closer of various sizes of approved quality using Aluminium Extruded Section Body Tubular Type Universal Hydraulic Door Closer with Double Speed Adjustment (with ISI Monogram)

UPVC Windows : UPVC Window Specification: Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Windows of casement type (open) from the profile the size of outer frame 60mm x 58mm and shutter profile are reinforcement with GI/1mm 125GSM and 100% corrosion free, the profiles are multi chambered sections with wall thick of 2mm. The EPDM rubber (black colour) covered with over all the edges of frame and shutter the shutter will be provided with Espag multi power point locks and also it operates as handle. The corners and joints should be welded and cleaned. Radiations free pin headed plain or brown colour glass 4mm thick should be provided to the shutter and it should not allow leakage of water even at most ranging storms and should have key lockable action, security protective hinges, strong locking systems and as per size for arresting noise and energy loss. The connecting mechanism between sash and outer frame that enables opening of the window. The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The window should be got approved from the Executive Engineer before use on work

Supply and Fixing of Vertical TPN Distribution Boards (with MCCB Incomer); Double Door; IP43, as per IS 8623 III; Impact resistance IK09; Frame MCCB Incomer & Single Phase/Three Phase MCBs as Outgoing (for power loads exceeding 100A) HIGHER END

Supply and Installation of L.T. 1100V PVC Copper Armoured cable with ISI mark

4 core 16sq.mm PVC copper cable

4 core 25sq.mm PVC copper cable

Run off main with 2 wire of 4 sqmm copper PVC insulated unsheathed single core cable in fully concealled conduit pipe

Providing and laying in position, Standardised Concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS:456- 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

Providing Form Work : Rate for small quantities like RCC Square or Rectangular column top and bottom slab of boxing, sill slab, sunshade with necessary facia etc. complete

Supply and Installation of RCCB / ELCB (Four Pole) 100A/125A FP RCBO 30 mA

Supply and Installation of MCBs 100A Four Pole MCB

Supply and Installation of MCBs Single Pole 6A to 32A, 10KA

Providing Earthing Station as per IS 3043

Run off 8 SWG, GI wire for Earth Connection

Supplying, fixing, Connecting and commissioning of 25 AMPS Metal clad socket (Superior variety) combined with 25AMPS SP MCB in Manufactures mount box fixed flush with the wall including cost of material, necessary interconnections, etc., on suitable angle

Supply of UG armoured UG Cable 3 1/2 core 50mm and laying

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