Certain B/R maint repair work to Offrs JCOs OR Md accn at Sunderbani GE N Akhnoor

Taking down existing old treatment incl padding water proofing plaster of any descriptionany type, roof tiles cement mortar screed bed and removing existing bitumen felt treatment incl brushing, brooming, cleaning top surfaces of roof slab to receive plaster etc incl disposing off debris from MoD land complete all as specified and directed.

Rendering 15mm thick in cement mortar(1:3) with water proofing compound on fair finishes of brick work or concrete surface of roof slab, to be finished even and smooth(without using extra cement )including use of Water proof compoundall as specified and directed.

Roof treatment :- Water proofing treatment to RCC roof slab including parapet as under :- (a) Ist Course : Apply a coat of bituminous primer conforming to IS-3384@ 0.40 Kg /Sqm on prepared surface of plaster and after drying of primer, apply a coat of hot blown 85/25 grade bitumen conforming to IS-702 @ 1.2 Kg/sqm on primered surfaces. (b) 2nd Course : APP (Atactic Polypropylene) modified polymeric membrane, 3 layered, 3 mm thick weight not less than 3.0 Kg/Sqm with 160 Grams/Sqm non woven polyester made at centre core reinforced laid with 75 mm side overlap and 150 mm end overlap, membrane has to be laid with LPG torch and overlap sealed and finished neat, all joints. (c) 3rd Course : Apply a coat of hot blown 85/25 grade bitumen conforming to IS-702 @ 1.2 Kg/sqm over membrane and dusted with dry sand @ 0.50 to 1 Kg/sqm. Note : Roof treatment shall be carried out through approved manufacturers or their authorized personal only.