Providing and fixing Sandwich roof panel above the container coffee shop at IISER campus Thiruvananthapuram

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width ) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge

Centering and shuttering including strutting, propping etc. and removal of form work for :

Foundations, footings, bases for columns,Columns,belt

Providing and laying in position cement concrete of specified gradeexcluding the cost of centering and shuttering - All work up to plinthlevel :

1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

Providing and laying in position cement concrete of specified gradeexcluding the cost of centering and shuttering - All work up to plinthlevel :

1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size de rived from natural sources)

CEMENT PLASTER (IN FINE SAND) 12 mm cement plaster

1:6 (1 cement : 6 fine sand)

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel epoxy primer, and two or more coat of enamel painting, etc including welding and bolted with special shaped washers etc. complete.

Providing and fixing sandwich roof panel precoated galvanised iron profile sheets )(size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.40 mm approved sheet on top ,30mm PUF in middle and .35mm thick galvanised sheet in bottom with zinc coating 120 grams per sqm as per IS: 277, density 37-40KG/M3. 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 Engineerin- 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.sheet joining should as per manufactures specification.

Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+ 0.05 %) total coated thickness, 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 using self drilling/ self tapping screws complete :

MADHU M (BID ID -3199961)