07/NIT/BSNL/CD-KOL/2026-27

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth, lead up to 50m and lift up to 1.5m,as directed by Engineer-in-Charge.

All kinds of soil

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) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

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.

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 primer, including welding and bolted with special shaped washers etc. complete.

Hot finished welded type tubes

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) 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 /seIf 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 with synthetic enamel paint of approved brand and manufacture to give an even shade :

Two or more coats on new work.

12 mm cement plaster of mix :

1:4 (1 cement: 4 coarse sand)

Supplying and installation of moisture resistant/fire resistant Ply board as per standard sizes fixed with self-drilling / taping screws. Screws shall be of counter sunk rib head of 1.60mm to 4 mm thick or 8 to 10 gauge of length varying from 25 to 45 mm.Rate include all the operation involve including taking out old damaged ply, pvc sheet etc nothing will be paid extra all complete as per direction of Engineer-in-charge

19mm thick marine ply (Termite, Fire & Moisture Resistance), as per IS:14276 : 1995

Providing and fixing 2mm thick Antistatic PVC sheet in flooring

Dismantling, removing damaged flooring of shelter by any suitable method i/c disposal of mulba/ rubbish to the nearest municipal dumping ground, all complete as per direction of Engineer-in-Charge.

Providing and fixing 1 mm thick Plain GI sheet under shelter flooring or above frame as required, as per standard sizes fixed with self-drilling / taping screws/welding etc all complete as per direction of Engineer-in-charge

Providing and fixing ISI marked IS: 1341 oxidised M.S. pressed Parliamentary hinges with necessary screws etc. complete (Copper oxidised as per IS 1378)

150x125x27x2.80 mm

Providing and fixing ISI marked oxidised M.S. sliding door bolts with nuts and screws etc. complete (Copper oxidised as per IS 1378)