NIT No GE/ND-58/2026-27

B&R PORTION: Demolition/ Taking down of existing roof treatment incl under layers of cement screed, taking down from roof incl concrete / bitumen gola along with wall junction where ever occurred and disposing out of MoD land complete all as specified and directed by Engr in charge.

M&L for Treatment of roof with reinforced elastomeric liquid waterproofing membrane of 400 micron thickness having SRI of 130, tested as per ASTM E 1980.The coating should have water absorption less than 1% as per IS: 101 (P-7/Sec-1) 1989, with the ability to resist heat yp!e 1200C as per IS: 101 (P-7/Sec-3) 1990 having VOC less than as per ASTM D 3960 and should have excellent resisitance to transmission of ponded water upto 3.5 bars of pressure for 7 days. The waterproofing membrane will be laminated with 25-40-micron thick transparent Nano modified composite crosslinking polymeric coating with a minimum of 40% solid content as per IS: 101 (P-8/Sec-6) 1993 and also should pass Impact test as per IS: 101 (P5/Sec-3) 1988 along with having dust and water repellent and anti grafetti property passing scratch hardness test of 500g as per IS;101(P5/SEC2). The Polymeric coating should have a self-cleaning and easy-to-clean property with excellent weather stability and DPR (Dirt pickup ratio). preparation includes pressure wash cleaning to remove all dust, fungus, etc., with pressure washer after repairing the existing roof having old bitumen membrane by filling cracks, potholes, holes with waterproofing compound having compressive test as per IS-4031 part6-1988 and permeability of water as per IS;2645-2003 complete all as specified and directed. Make: Ms Asian Paints Ltd/ Ms Berger Paints Ltd/ Ms Pidilite Pvt Ltd/ Ms STP Ltd/ Ms I-canNano

Dismantling wrought iron or mild steel work of any description not other wise described complete all as specified and directed.

Dismantling plain or corrugated steel sheeting, any gauge, thickness, suitable pattern roof coverings complete all as specified and directed.

Excavating in post holes (or similar holes) each n exc 0.5 cum, getting out in any type of soil, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 50 m and making disturb surface good complete all as specfied and directed.

M&L for PCC 1:3:6 type C2 (40 mm graded crushed stone aggs) as in foundation for fencing posts, complete all as specified and directed.

S&F pre painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 mpa as in roof covering/cladding to wall fixed with self tapping screws complete all as specified and directed.

S&F Framed work such as grills, gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165 complete all as specified and directed.

M&L for preparation of new steel surfaces of any description over 10cm in width or girth, not otherwise described and applying 2 coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Demolition of brick work built in Cement morter or cement lime mortar incl all quoins, arches , pillar etc complete all as specified and directed.