SPECIAL REPAIR TO BLDG NO P 36/2 AND 3 COOK HOUSE AND DINING HALL AT RAIWALA MIL STN

Demolition of existing roof treatment i.e APP membrane incl cement screed, brick tiling incl mud mortar or lime concrete and open up RCC roof slab including picking, sweeping cleaning with wire brush and washing down with Removal of existing roof treatment i.e APP membrane, brick tiling incl mud mortar and open up RCC roof slab including picking, sweeping cleaning with wire brush and washing down with water to remove dust, dirt to get surface free of laitance , scales, oil or any other loose material complete all as specified and directed.

M&L PCC 1:2:4 type B-0 (using 12.5 mm graded stone agg) mixed with liquid water proofing compound (mixed as per manufacturer direction ) and finishing the surface even and smooth without using extra cement as in roof padding including making the V-groove on top surface 10 mm deep and filling solidly with a hot mixture of bitumen and clean dry sand in the ratio of 1:1 by weight complete all as specified and directed. Note :- 1. Liquid water proofing compound will be measured and paid seperately. 2.The work is required to be carried out at non-accessible roof for double storey . The contractor shall make arrangement of scaffolding,safety & security of workers and arrangement for approach to roof . The rates quoted shall deemed to be included for these item.

M&L for one coat of cement slurry admixed with acrylic bonding compound SBR Latex liquid polymer (slurry will be prepared as per manufacturer direction) as to be used for bonding of new concrete/ mortar to old surface. Note :- (i)The work is required to be carried out at non-accessible roof for double storey . (ii)The contractor shall make arrangement of scaffolding,safety & security of workers and arrangement for approach to roof .(iii) The rates quoted shall deemed to be included for these item.

M&L for water proofing treatment to non-accessible roof slab with APP based modified polymeric membrane as per manufacturer’s instructions with following course of description below :- (a) Applying evenly a tack coat of industrial bitumen 85/25 @ 1.20 Kg /Sqm, including cleaning the surface . (b) Providing APP based 5 layer polymeric membrane minimum weighing 3.6Kg/ Sqm and minimum 3mm thick reinforced with polyester non-woven fabric (weight not less than 150 gms/sqm) centre core, laid on primed surface by forced applications as per the manufacturer's instructions with side over lap of 75 mm and end overlap of 100 mm. All overlap joints shall be sealed thoroughly by thermo fusing both the membrane layer (torching overlap by propane or butane gas torch ) and sealing it with the help of hot trowel. The overlap joints shall be made as a monolithic layer (c) Apply two coat of bituminous aluminium paint @ 0.20 Kg/Sqm over APP membrance Note :- 1. Liquid water proofing compound will be measured and paid seperately. 2.The work is required to be carried out at non-accessible roof for double storey . The contractor shall make arrangement of scaffolding,safety & security of workers and arrangement for approach to roof . The rates quoted shall deemed to be included for these item.

M&L for PCC (1:1.5:3) type A-0, using 12.5mm graded stone aggregates, as in concrete angle-fillets with a radiaus of 75 to 100mm shall be provided at junctions between roofs, floor and vertical faces of walls (parapet, pillar for water tank staging and sunken floor) around obstacles such as pipes, chimney stacks etc. and other similar situation to ease up about corners mixed with integral water proofing compound as per manufactur direction ) Note :- Integral water proofing compound (WPC) will be measured and paid seperately.

Supply only WPC integral water proofing compound (Liquid type) complete all as specified and directed.

Area not exc 1.5 sqm each

Area exc 1.5 sqm but not exc 4 sqm each

M&L for MS fastner of FI 50x5mm size and length 200 to 250mm for fixing wooden door/ window frame and like in postion complete all as specified and directed.