Repairing of parapet wall ,sintex area flooring and replacement of CGI sheet for Social Science Building.

Amount

Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:

G.S. Sheet

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering -

-All work upto plinth level:

1:2:4 ( 1 Cement: 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal,complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required with

Precoated galvanised iron profile sheets 0.50 mm thick

Providing and fixing precoated galvanised steel sheet roofing accessories , Zinc coating 120gsm as per IS: 277 in 240mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws or with polymer coated J or L hooks, bolts and nuts and or G.I. seam bolts and nuts, G.I. plain and bitumen washers complete :

Ridges plain (500 - 600mm).

Precoated galvanised iron profile sheets 0.50 mm thick

12 mm cement plaster of mix

1:4 (1 cement : 4 coarse sand)

Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50mm hard wood plugs,screwed with M.S. screws of required length including cutting brick work and fixing in cement mortar 1:4(1 cement: 4 coarse sand) and making good the wall etc. complete.

JOYBA HUIDROM (BID ID -3264688)

M/S Y SOMORJIT SINGH (BID ID -3264843)