Provision of AC facility to Main Hall and Dining Hall of Community Hall in IIT Madras

Amount

AIR CONDITIONERS

16.5 TR Packaged type AC with R 407/410 refrigerant

Refrigerant piping(Suction & discharge) drawn from hard copper tube of suitable sizes, with copper elbows, tees, necessary hard ware for installation etc. with enamel paint of different colours etc as required for above packaged unit as required.

8.5 TR Ceiling suspended with R 407/410 refrigerant

Refrigerant piping(Suction & discharge) drawn from hard copper tube of suitable sizes, with copper elbows, tees, necessary hard ware for installation etc. with thermal insulation covering etc as required for above ceiling suspended units

Supply installation testing and commissioning of 1.5 TR hi wall split unit with R-410A refrigerant unit with refrigerant copper pipe upto 2.0 metres long with copper chord wires, mounitng frame to mount the outdoor unit and all required accessories as required.

Note: The colour shade for the air distribution equipments like ducts, diffusers, grilles, etc shall be approved by the Client before procurement and execution. The powder coating shall be 50 to 40 microns

The air distribution system comprises with all supports like anchor fasteners and tie-rods, cradles, angle iron supports, bolts and nuts, 4mm thick self-adhesive neoprene rubber gasket, stiffeners, zinc chromate painted angle iron flanges, chipping and plastering of openings made for duct supports etc., filling the gap with fibre glass wool and with fire sealant complete as per specification. The rates quoted shall include turning vanes, straightening vanes, splitters, inspection doors probe, provisions for BAS sensors, inlets with test openings enclosures complete with locking caps, chain, gaskets, insulating plugs, and extension for insulated ductwork etc.

Supply, installation, testing and balancing of Air Distribution System consists of factory fabricated Rectangular duct Galvanized Iron sheet metal ducting (Zinc coating 120GSM) with TDF/TDC flanges

1.0mm thick GSS ducting (20G) – factory fabricated

0.8mm thick GSS ducting (22G) – factory fabricated

0.6mm thick GSS ducting (24G) – Manual fabrication

Supply installation testing and commissioning of GI volume control damper complete with neoprene rubber gaskets,nuts bolts screws linkages flanges etc as per specifications.

Supply, fixing, testing and balancing of Aluminium powder coated Fresh air with storm proof louvers, volume control damper, MS weld mesh bird screen / mounting frame - 100mm louver spacing and 45 deg angle suitable for protection against splashing rain water fixed within a right aluminium frame.

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications.

Fire Damper

Actuator

Supply and fixing of acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m³,with Reinforced Plastic tissue paper and 0.5 mm thick perforated aluminum sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as required and as per specifications.

Supply and installing of Thermal insulation, Material shall be processed FM approved Crosslinked polyolefin foam with factory applied reinforced aluminium foil. The material should be fibre free. The Thickness of the material shall be as follows.

9mm thick

Supply and installation of Acoustic Lining of AHU rooms with 25mm thick open cell nitrile rubber foam of 140 to 180kg/cum density, thermal conductivity 0.050w/mk and class1 rating. The insulation shall be fixed to the walls with manufacturer approved adhesive and also mechanicall fixed with suitable washers at 0.5m x 0.5m intervals.

Supply and installation of Powder coated extruded aluminium linear/patch grilles with 15 degree deflection with volume control damper for supply air Grille.

Supply and installation of Powder coated extruded aluminium linear/patch grilles with 15 degree deflection for return air Grille.

Supply and laying of 40 mm dia PVC drain piping of 4 kg /cm2 rating complete with Insulation(Nit rile Rubber), supports, fittings like elbow, tee joints, screws, clamps etc.

Fire Alarm System

Supplying, installation, testing and commissioning of micro processor based intelligent addressable main fire alarm panel, central processing unit with the following loop modules and capable of supporting not less than 240 devices (including detectors) and minimum 120 detectors per loop and loop length up to 2 km, network communication card, minimum 320 character graphics/ LCD display with touch screen or other keypad and minimum 4000 events history log in the non volatile memory (EPROM), power supply unit (230 ± 5%V, 50 Hz), 48 hrs back-up with 24 volt sealed maintenance free batteries with automatic charger. The panel shall have facility to connect printer to printout log and facility to have seamless integration with analog/digital voice evacuation system and shall be complete with all accessories . The panel shall be compatible for IBMS system with open protocol BACnet/ Modbus over IP complete as per specifications.

1 Loop Panel

Supplying, installation, testing & commissioning of intelligent analog addressable photothermal detector complete with mounting base complete as required.

Supplying, installation, testing & commissioning of response indicator on surface/recessed MS Box having two LED metallic cover complete with all connections etc as required.

Supplying, installation, testing & commissioning of addressable manual call point complete as required.

Supplying, installation, testing & commissioning of addressable horn cum strobe complete as required.

Supplying, installation, testing & commissioning of addressable fire control module complete as required.

Supplying & laying of 2x1.5 sqmm fire alarm armoured cable,600/1000V rated with annealed copper conductor having XLPE insulation, steel wire armouring & FRLS outer sheath complete as required.

Electrical

Supplying and fixing following recess mounting,double door vertical type, 415 volts, TPN MCCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 amps tinned copper bus bar, common neutral link, earth bar, din bar with provision of following MCCB interconnection between incomer MCCB and bus bars as required .The charges shall inclusive first class platering painting works to match with existing finishing of the wall.

Providing and fixing following rating and breaking capacity MCCB/MCB in existing MCCB DB/cubicle panel board including drilling holes in cubicle panel, making connections, etc. as required.

63 Amp, 16 KA, 4 Pole MCCB with adjustable overload protection

160 Amp, 16 KA, 4 Pole MCCB with adjustable overload protection

40-63 amps 10 kA, 3 pole MCB

Supplying and fixing 5 amps to 32 amps rating, 240/415 volts, "C" curve, miniature circuit breaker suitable for inductive load of following poles in the existing MCB DB complete with connections, testing and commissioning etc. as required.

Single Pole

Triple Pole

Providing and fixing 10-60A Energy meter DIN mounting whole current operated meter with accuracy of class 1.0 and RS 485 compatable with IBMS system in the existing MCCB DBs.

Supplying and fixing 4P sheet steel enclosure on surface/ recess along with following rating MCBs complete with connections, testing and commissioning etc. as required.

10-32 amps 415 volts "C" curve 4P MCB

40-63 amps 415 volts "C" curve 4P MCB

Supplying and fixing 20 amps, 240 volts, SPN industrial type, socket outlet, with 2 pole and earth, metal enclosed plug top alongwith 20 amps "C" curve, SP, MCB, in sheet steel enclosure, on surface or in recess, with chained metal cover for the socket out let and complete with connections, testing and commissioning etc. as required.

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FR PVC insulated copper conductor, single core cable in recessed medium class PVC conduit as required. The charges inclusive of chase cutting of wall using cutting machine including plastering with necessary cement, sand & bricks making the wall surface in good condition

2 x4.0 sq.mm + 1 x 4.0sq.mm earth wire

4 X 4 sq. mm + 2 X 4 sq. mm earth wire

4 X 6 sq. mm + 2 X 6 sq. mm earth wire

Supply and Installation of the following Cable Trays / Accessories Prefabricated hot dip galvanized 1.6mm thick sheet perforated / Ladder type cable tray including all necessary curved bends-tees-reducers, coupler plates, fasteners etc.,for the following sizes. Inclusive necessary fixing arrangement etc.

200 mm x 100mm Perforated type cable tray along with top cover

Supply and laying of 6 sq.mm single core copper FRLS unarmoured cables for equipments earthing including termination with copper lugs in both ends.

Supply, Laying, Testing and Commissioning of stranded XLPE insulated Armoured aluminium conductor, laid on walls including Galvanized clamping support to the cable.

4C x 25 Sq.mm XLPE AR Al

4C x 16 Sq.mm XLPE AR Al

Supply, Installation, Testing and Commissioning of Compression type cable gland, Aluminium sockets for Aluminium cables / copper sockets for copper cables, insulation tape, anti corrosive paste, brass clamps for gland earthing with 14 SWG copper wire to connect to nearest earth flat.

4C x 25 Sq.mm XLPE AR Al

4C x 16 Sq.mm XLPE AR Al

Supply and installation of following sizes/ratings of industrial range air curtains of high velocity with low noise aluminium impeller of forward curved SS blades,pre lubricated sealed ball bearing type,easily mountable, vibration free complete set to operate 230V,50 Hz power supply. The accepted make will be ALMONARD/AIRCON.

360(W) x 365(H) x 2000(L) with effective air throw upto 3.5 mts.

Supplying anfd fixing of Remote control board in a powder coated CRCA sheet to operate remotely to switch on/off the Packaged/ductable split AC(5 Nos) including necessary control copper flexible wires in a suitable PVC conduit as required from the AC unit to controllers.

Airworld airconditioners

GEMINI COOLING SYSTEMS PROJECTS PRIVATE LIMITED