Civil work for the Extension of Material Testing Lab at LBSITW, Poojappura, Thiruvananthapuram

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

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 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 (5.5x55mm) 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.

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means in foundation trenches or drains including dressing of sides and ramming of bottoms, lift upto 1.5m including disposal of surplus excavated soil within a lead of 50m. All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work upto plinth level: 1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size).

Providing and laying reinforced cement concrete excluding the cost of centering, shuttering, finishing and reinforcement - All work upto plinth level: 1:1.5:3.

Centering and shuttering including strutting etc. and removal of form for foundations, footings, bases of columns etc. for mass concrete.

Solid block masonry using precast solid blocks of size 30x20x20 cm or nearest available size confirming to IS 2185 Part I of 1979 for super structure upto floor two level thickness 20cm and above in CM 1:6 complete.

12 mm cement plaster of mix 1:4 (1 cement : 4 coarse sand).

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade: Two or more coats on new work.

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses including cutting, hoisting, fixing position and applying a priming coat of approved steel primer including welding and bolting complete. Hot finished welded type tubes.