Providing free cooling with exhaust fan MSC E10B TE Shillong

Amount

Supplying & Fixing of 450mm sweep 1400 RPM heavy duty exhaust fan suitable for operating on 230Volts, 50Hz, AC supply in the existing opening including testing and commissioning etc., complete as reqd',(Make: M/s Crompton/ Almonard or SS make)

Supplying & Fixing of 32A 3pole Contactor and digital/ analogue timer unit, 1No 40A 4pole isolator, 6No 6/10 Amps SP MCB, Neutral bus Bar, Earth bar in suitable size 16G MS sheet enclosure on surface of wall for automatic cyclic operation of 6No exhaust fans i/c necessary internal wiring, testing, commissioning etc as reqd (Ms L&T Contactor MNX22 / Timer M/s GIC or SS make)

Making opening of window glass of size 0.6m widthx1.5mtr height for accommodating exhaust fan including civil masonary works, glass cutting, making good the damages etc as required

Supplying and fixing of GI/MS/steel chicken mesh with suitable air flow to prevent birds/rats and other insects inside the equipment room of grid size 2mm/3mm including fastening rigidly to the window/wall, civil masonary works, making good the damages etc as required

S& F of following MS angle, MS flat, GI flat for supporting of Exhaust fans, GI strip/ flat all-round the wire mesh wherever required to close the opening including making holes, rigidly fixing with fasteners etc., as required a) 38mmx38mmx5mm MS Angle

b) 25mmx25mmx5mm MS Angle

c) 38mmx5mm MS flat

d) 25mmx3mm GI strip/ flat

Wiring for exhaust fans from MCB DB/ timer unit with 3x1.5 sqmm copper wire /cable in PVC conduit along with accessories in surface of wall etc., as reqd

Making opening of size 0.5m widthx1.0m height in brick wall of 250mm thick for outside fresh air inlet including civil masonary works and plastering, painting with suitable color, making good the damages etc as required

Making opening of size 0.6m widthx1.5m height window glass for outside fresh air inlet including civil masonary works and plastering, glass cutting, making good the damages etc as required

Supplying and Fixing of pre air filter of size 06mx1.5m Nylon / fibre washable type to prevent dust from outside air to inside switch room in existing opening etc as required

Wiring for circuit/ sub main wiring along with earth wire with 5x6 Sqmm sizes of FRLS PVC insulated copper conductor, single core cable in existing surface/ recessed conduit/Truf as required.

Supplying and fixing of 25 mm dia medium class PVC conduit along with accessories in surface/recess including cutting the wall and making good the same in case of recessed conduit as required.

Making opening of 15mm/20 mm thick Novopan sheet for exhaust fans and outside fresh air inlet including cutting, removing and re-fixing of metal brackets, making good the damages etc as required

Dismantling and shifting of 4way TPN DB with MCB, incoming armoured cable, out going circuit wiring for 6No 1.5TR split AC units, extending of 12x4 sqmm copper wire with PVC pipe/ casing and capping of length aprox 1.0 mtr etc as required

S& F of 26G factory made color coated corrugated sheet on Exhaust fans and Fresh air Inlet opening including necessary water proof washers, J hook for fixing rigidly to existing angle iron frame work etc., as reqd.

Providing scaffolding arrangement for the height upto 7 to 10mtr from the ground level to 2nd floor level for wall opening, plastering, painting and fixing of rain guard outside the building with necessary wooden/bamboo support and restoring the same after finishing of work, clearing of site etc as reqd

Fixing of Existing old coarse filters with existing angle iron bracket for fresh air inlet/ exhaust air out let including washing with suitable detergent and commissioning etc as reqd (size approx 4ftx2.5ft or as per the available in site)