SPECIAL REPAIRS TO BLDG NO T-21 OR LIVING AT CRPF HILL AT CHAKABAMA MILITARY STATION UNDER AGE (I) ZAKHAMA

Demolition of brick or stone masonry work built in cement mortar including all quoins, arches, pillars etc complete all as specified and as directed.

M&L for brick work with sub class ‘B’ bricks (locally available best quality) straight or curved on plan any radius in half brick thick wall, built in cement mortar (1:4) complete all as specified and as directed.

Dismantling of plain or corrugated steel sheeting, any gauge or any thickness as in roof covering, wall cladding etc., complete all as specified and as directed.

M&L Pre- painted hot dip aluminium Zinc alloy metalic coated trapezoidal profile steel sheet 0.50mm thick ( Total coated thickness), any pattern corresponding to IS 15965 : 2012 of durability class 3, atmospheric classification category 3, coating class AZ 150 of an approved colour having yield strength of 550 Mpa as in roof covering/wall cladding, fixed with self tapping screws complete all as specified and directed.

M &L pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50 mm thick of colour as approved by AGE(I) having tensile strength of 550 Mpa as in ridges,valley complete all as specified and as directed.

S&F 0.63 mm thick plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip, wall cladding and straight flashings (length and girth as fixed) with grade of zinc coating 275 complete all as specified and as directed.

M&L for weather boarding, 2nd class hard wood clean sawn, plain, 20 mm thick feather edged 15 mm to 20 mm thick and fixed with 30 mm laps and repairs to replace old or decayed boarding includind taking out old one complete all as specified and as directed.

M&L for 2nd class hard wood, in scantlings, clean sawn timber as in un framed work and including dismantling timber scantling 40Sqcm and over in section as in unframed work in any position complete all as specified and as directed.

S&F for 4mm thick, plywood (No. of ply3), grade BWR,type BB, fixed with nails to timber frame work on wall including taking out old plywood of any description complete all as specified and as directed.

S&F suspended false ceiling using E-grid 2430, 180 GSM (exposed ceiling suspension system ) of grid size 600mmx600 mm with main runner 38 mm x 24 mm and wall angle 24mm x 24mm using 4mm thick High Pressure stean Crude Everest Non Asbestos Fiber Cement plain Board (E-Board Classic) in & including a grid of GI system duly suspended with 4mm dia GI wire hanger fixed with providing positions for light fixtures,air conditioning diffuser and ducts ,sprinkler ,smoke detectors etc.The main runners to be secured to structural soffits by hanger @ 1220 mm maximum c/c. the last hanger at the end of each main runner should not be placed at more than 450mm from the adjucent wall,Flush fitting 1220 mm cross tee to be interlocked between main runners @ 610mm c/c,so as to form 600mm x 600 mm grid and including demolition of old one complete all as specified and as directed.