IISER-K/Civil/21-22/30

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

(a) All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering – all work

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

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

(a) Hot finished welded type tubes

Providing and fixing M.S. grills of required pattern in frames of windowsetc. with M.S. flats, square or round bars etc. including priming coat withapproved steel primer all complete.

(a) Fixed to steel windows by welding

Providing and fixing precoated galvanised iron profile sheets (size,shape and pitch of corrugation as approved by Engineer-in-charge)0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 micronsepoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 micronsminimum to avoid scratches during transportation and should besupplied in single length upto 12 metre or as desired byEngineerin- charge. The sheet shall be fixed using self drilling /self tappingscrews 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.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

(a) In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :(a) Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

SAMPRITI ENTERPRISE