Roof Extension of coconut processing area of ABI unit

Amount

Extending the roof

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. All kinds of soil.

CEMENT CONCRETE (CAST IN SITU) Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:2:4 (1 Cement: 2 coarse sand (zone-III) : 4graded stone aggregate 20 mm nominal size)

Structural Steel Providing and fixing Steel work in built up tubular (round, square or rectangular hollow tubes etc) GI Rectangular hollow sections (RHS) of size, 100mm x 50mm x 3mm @6.60 Kg/m as Rafters/columns Purlins 50mm x 50mm x 2.00mm @ 2.93 Kg/m, Purlins shall rest on either side of rafters Rectangular hollow sections column shall erected by means of concrete embedded over foundation , Rafters and Purlins welded to the existing sections as directed. The rate shall include cost and conveyance of all materials, fabrication, welding grinding, drilling, applying one coat of “Epoxy primer” of approved brand and manufacture on steel galvanized iron/steel works after scrapping, sand papering cleaning the surface of dust, dirt and loose flakes, transportation etc. complete directed as per drawing and design. . The ends of RHS section shall be closed and filled & Finished by welding.

Structural steel Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Roofing Providing and fixing precoated galvanized 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 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 up to 12 meter 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.

Painting Steel work with Two coats of Epoxy primer of approved brand and manufacture. Including appropriate priming coat , preparation of the surface . The work shall include cleaning the surface of dirt/dust and foreign matter, sand papering including cost and conveyance of all materials, labour, scaffolding, cleaning paint stain from walls, floor etc complete as per specification and direction On Steel work

Mohammed shareef a (BID ID -3126153)

MOHAMMED RAFIC C A (BID ID -3125111)