ADDITION / ALTERATION AND SPECIAL REPAIRS TO CERTAIN OTM ACCN AT BINNAGURI MIL STATION UNDER GE (N) BINNAGURI AND GE (S) BINNAGURI

M&L for removing existing water proofing treatment to complete any descrption/any thickness and in any position up to mother slab including removal of rubbish of the premises etc. complete all as specified and directed by Engineer-in-charge.

M&L for 40 mm thick Cement Concrete 1:2:4, type B0 (using 12.50 mm Graded Stone Aggregate) as in as in roof to achieve slope on existing roof surface complete all as specified and as directed by Engr-in- Charge

M&L for Cement concrete type B-1, 1:2:4 (using 20 mm graded crushed stone aggregates) as in roof kerbs or mud stops, padding over RCC roof slab (to maintain proper slope on roof of average 40 mm thick) rounded or chamfered on edges complete all as specified and as directed by Engineer-in-charge.

M & L for water proofing treatment to RCC roof slab complete all as specified below and as directed by Engineer-in-Charge :- (a) 10 mm thick cement plaster in CM 1:4 with integral WPC to be laid over the RCC roof slab when the concrete is green. (b) Applying a uniform coat of bitumen primer @ 0.70 kg/sqm over cement plaster. (c) 3 mm thick plain texture and weighing not less than 3.5 kg/sqm Atactic Polypropylene Polymer (APP) modified bitumen based prefabricated five layer water proofing membrane reinforced with non woven polyster matt black finished over compatible primer at 0.4 Ltr / sqm of density at 25 degree centigrade 0.87 - 0.89 kg/ltr and viscosity 70-160 cps or cold sticker and torch application of membrane with overlap while torching shall be 150 mm on length side and 100 mm on width side. after necessary preparation of surface complete as per manufacturers instructions. (d) Apply two coats of bitumastic - aluminium paint over the membrane. Note : WPC will be measured and paid separately.

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing) including removing the rubbish off the premises complete all as specified and directed.

M&L for coloured non skid joint free ceramic tiles (square/rectangular), area of each tile exceeding 0.18 sqm but not exc 0.38 Sqm in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles, laid over including screed bed or bedding layer of mortar 15 mm thick in cement mortar 1:6 complete all as specified and as directed.

M&L for coloured non skid joint free ceramic tiles (square/rectangular), area of each tile exceeding 0.18 sqm but not exc 0.38 Sqm in vertical surfaces, in skiting etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles, laid over including screed bed or bedding layer of mortar 10 mm thick in cement mortar 1:3 complete all as specified and as directed.

M&L for Glazed Ceramic, coloured tiles (300 mm x 450 mm) size and 7 mm thick on vertical surfaces as in skirting/ dado, set and jointed in neat cement slurry and pointed in white cement mixed with admixture of pigment or colour cemet to match including 10 mm thick backing coat in CM 1:3 complete all as specified and as directed.

Demolition of cement concrete (un-reinforced) in ground floor and paving not exc. 15 cm thick (Below or above ground level) complete all as specified and as directed.

M&L for 25 mm thick cement concrete Type B1 1:2:4 (using 20 mm graded crushed stone aggregate) as in base to receive the screed bed complete all as specified and as directed.