Providing GI roofing for existing RMUs part II

10.22 : Welding by gas or electric plant including transportation of plant at site etc. complete.(cost index(c) : 1.3268 included in Rate)

2.28.1 : Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m.All kinds of soil(cost index(c) : 1.3268 included in Rate)

2.32 : Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.(cost index(c) : 1.3268 included in Rate)

Drilling hole of various sizes on existing Channel/Cross Arm.

Cutting Channel/Cross Arm/Angle Iron into two pieces.

8.8.1.3 : Providing and fixing expansion hold fasteners on C.C./R.C.C./Brick masonry surface backing including drilling necessary holes and the cost of bolt etc complete.Fastener with threaded dia 12 mm(cost index(c) : 1.3268 included in Rate)

50.10.1 Steel work in built up G I tubular ( round, square or rectangular hollow tubes etc.) 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(cost index(c) : 1.3268 included in Rate)

12.50 : 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.(cost index(c) : 1.3268 included in Rate)

13.61.1 : Painting with synthetic enamel paint of approved brand and manufacture to give an even shade:Two or more coats on new work(cost index(c) : 1.3268 included in Rate)

Sealing of cable chamber ( bottom plate) and holes of RMU using ACP sheet (3mm- Min) including opening of cable chamber, removal of existing corroded plate, cleaning the surface, fixing additional frames with tubular sections to suit, cutting and fixing new ACP sheet , making cable profile in ACP sheet suitable to accommodate cable without dismantling the cable, drilling holes, riveting, welding, cutting, bending, fixing and applying M-seal/putty etc. so as to make the profile holes and bottom plate vermin proof, including the cost of all materials, labour charges, power supply etc, complete as per the direction of departmental officers ( DSR 2021+ Observed data)(cost index(c) : 1.3268 included in Rate)