Providing and fixing the kitchen Exhaust system and associated electrical works in Gaurang Hostel of IIT Guwahati Campus

Ducting and Electrical works (Part-A)

Supply, Installation, Testing and Commissing of Hot Air Ventilation System with Air Fume Scrubber etc. complete as required with following specifications:

Kitchen (Cooking Area) Required Scrubber 25000CMH Centrifugal Blower V-Belt Drive Capacity 25000 m³/h (14705CFM) 75 mmwc Pressure with scrubber Base Frame, Inlet Outlet Canvas in EPDM, Extra Flange, Taper Lock Pulle, V – Belt With motor 15 H.P.Technical Specification(a.) Scrubber chamber with 60 Nos. Nozzle (c.) Pump 3.0 H.P./2P Kirloskar Make (b.) SS-304 Tank(c.) G.I. eliminators.

Supply & Installation of Kitchen Hood (Wall Mounted Type) etc. complete as required with following specifications:

Hood/Chimney Made of Stainless Steel 304 Grade 20 SWG Fully Argon Welded Body Construction, Led Light to be Fixed on Roof of the Hood/Chimney Complete with Wiring Conduits, Bottom Of Filters Set In Continuous Channel Smooth Clean Wiping Grease Gutter Complete With Stainless Steel 304 Grade 20 SWG Ball Valve For Oil Drain Fitted With Baffle Type Filter Made of Stainless Steel 304 Grade 20 SWG Fully Argon Welded Body Construction Size: 3600x1050x600mm

Hood/Chimney Made of Stainless Steel 304 Grade 20 SWG Fully Argon Welded Body Construction, Led Light to be Fixed on Roof of the Hood/Chimney Complete with Wiring Conduits, Bottom Of Filters Set In Continuous Channel Smooth Clean Wiping Grease Gutter Complete With Stainless Steel 304 Grade 20 SWG Ball Valve For Oil Drain Fitted With Baffle Type Filter Made of Stainless Steel 304 Grade 20 SWG Fully Argon Welded Body Construction Size: 2700x1050x600mm

Hood/Chimney Made of Stainless Steel 304 Grade 20 SWG Fully Argon Welded Body Construction, Led Light to be Fixed on Roof of the Hood/Chimney Complete with Wiring Conduits, Bottom Of Filters Set In Continuous Channel Smooth Clean Wiping Grease Gutter Complete With Stainless Steel 304 Grade 20 SWG Ball Valve For Oil Drain Fitted With Baffle Type Filter Made of Stainless Steel 304 Grade 20 SWG Fully Argon Welded Body Construction Size: 3300x1050x600mm

Supply, Installation, Testing and Commissing of Air Cooling Intake system etc. complete as required with following specifications:

Supply Air Cooling system 20000CMH at 60mmwc Pressure Required Motor 10.0 H.P. 2 nos. pump 0.5H.P. with Pry Filter, Intake Inertia Louver

ELECTRICAL WORKS:

Supply of following types and sizes of 1.1 KV grade XLPE insulated aluminium conductor armoured underground cable make Havells/RR kabel/KEI/Finolex

i) 25 sq.mm cable,3.5 Core UG aluminum armoured cable

iI) 35 sq.mm cable,3.5 Core UG aluminum armoured cable

Supply of Flexible PVC insulated 6 sq.mm single core unsheathed multistrand cable HFFR(ZHFR) with bright annealed Electrolytic bare copper conductor for voltage grade upto 1100V

Supply of Flexible PVC insulated 10 sq.mm single core unsheathed multistrand cable HFFR(ZHFR) with bright annealed Electrolytic bare copper conductor for voltage grade upto 1100V

Supply of Flexible PVC insulated three core ZHFR/HFFR thermoplastic compound sheathed multistrands 2.5 sq.mm cable with Bright annealed Electrolytic bare coppeer conductor for voltage grade upto 1100V alve

Supply of Flexible PVC insulated two core ZHFR/HFFR thermoplastic compound sheathed multistrands 2.5 sq.mm cable with Bright annealed Electrolytic bare coppeer conductor for voltage grade upto 1100V

LT panel Board 1

Supply and Installation of wall mounted indoor LT panel board , free standing, dust and vermin proof, fabricated from 16 Gauge CRCA Sheet, finished with powder coating paint & providing TPN Aluminum bus bar & and its wiring

As Incomer VAF Meter - 1 Nos CT 100/5A, Cl-1, 10VA, Tape wounded - 3 Nos LED Indicator lamp R,Y,B - 3 Nos 6A, SP, MCB - 3 Nos As Outgoing For 15HP SD Starter-1No. 50A TP 16KA MCCB - 1 Nos Indicating Lamp - 3 Nos Auto/Manual, Local/Remote SS - 2 Nos 50A TP Contactor - 2 Nos 25A TP Contactor - 1 Nos Overload relay 9-15A - 1 Nos Add on block - 3 Nos Star delta timer - 1 Nos Push button (ON/OFF) - 2 Nos For 3HP DOL Starter-1No. 32A TP MCB - 1 Nos Indicating Lamp(ON/OFF) - 1 Nos Auto/Manual, Local/Remote SS - 2 Nos 9A TP Contactor - 1 Nos Overload relay 4.5-7.5A - 1 Nos Add on block - 3 Nos Push button (ON/OFF) - 2 Nos Earth bus - 1 Nos

LT panel Board 2

Supply and Installation of wall mounted indoor LT panel board , free standing, dust and vermin proof, fabricated from 16 Gauge CRCA Sheet, finished with powder coating paint & providing TPN Aluminum bus bar & and its wiring

As Incomer VAF Meter - 1 Nos CT 100/5A, Cl-1, 10VA, Tape wounded - 3 Nos LED Indicator lamp R,Y,B - 3 Nos 6A, SP, MCB - 3 Nos As Outgoing For 10HP SD Starter-1No. 32A TP 16KA MCCB - 1 Nos Indicating Lamp(ON/OFF) - 1 Nos Auto/Manual, Local/Remote SS - 2 Nos 50A TP Contactor - 2 Nos 16A TP Contactor - 1 Nos Overload relay 2.4-12A - 1 Nos Add on block - 3 Nos Star delta timer - 1 Nos Push button (ON/OFF) - 2 Nos For 0.5HP Motor 6A DP MCB - 2 Nos Earth bus - 1 Nos

ELECTRICAL WORKS (Part-B)

Laying one 1100V power cables of following sizes direct in ground including excavation, sand cushioning, Protective brick covering and refilling etc. as required

Upto 35 sqmm

Laying of one number additional XLPE power cable of 1.1 KV grade of following size direct in ground in the same trench in one tier horizontal formation including excavation,sand cushioning,protective covering and refilling the trench etc as required

Upto 35 sqmm

Laying of one number additional XLPE power cable of 1.1 KV grade of following size direct in ground in the same trench in one tier horizontal formation but excavation,sand cushioning,protective covering and refilling the trench etc as required (PVC Pipe of 40mm)

Upto 35 sqmm

Laying and fixing of one number PVC insulated and PVC sheathed/XLPE power cable of 1.1KV grade of following size on wall surface as required

Upto 35sqmm (clamped with 1mm thick saddle)

Supplying and fixing of following sizes of medium class PVC conduit and flexible conduit for motor connection as required along with accessories in surface/recess including cutting the wall and making good the same in case of recesses conduit as required

40mm dia

Earthing with G.I earth pipe 4.5 metre long, 40mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangment and watering pipe etc . With charcoal/coke and salt as required

Providing and fixing 25mm X 5 mm G.I strip on surface or in recess for connections etc. as required

Providing and fixing 6 SWG dia G.I wire on surface or in recess for loop earthing as required

Supplying and laying 25mm X5mm G.I Strip at 0.50 metre below ground as strip earth electrode, including connection/terminating with G.I nut,bolt spring,washer etc as required.(Jointing shall be done by overlapping and with 2 sets of G.I nut bolt & Spring washer spaced at 50mm)

Supplying and making end termination with brass compression gland and aluminum lugs for following size of PVC insulated and PVC sheathed/XLPE aluminium conductor cable of 1.1 KV grade as required

3.5 core X 25sqmm(28mm)

3.5 core X 35sqmm(32mm)

DUCTING WORKS (Part B)

Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, support etc. as per approved drawing and specifications of following sheet thickness complete as required.

thickness 0.80 mm sheet

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

Supplying, Fixing, installation, testing and commissioning of powder coated extruded aluminium Supply Air Grills with collar control dampers in confirmation to SMACNA/IS and as per specifications complete etc. as required

Supplying, Fixing, installation, testing and commissioning of supply air diffusers of powder coated aluminium with aluminium volume control dampers with anti smudge ring & removable core in confirmation to SMACNA/IS and as per specifications complete etc. as required. Cost shall include plenum box of diffuser with 9 mm insulation.

PAINTING WORKS (Part B)

Painting with aluminium paint of approved brand and manufacture to give an even shade .

Two or more coats on new work

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