REPAIR and MAINT AND SPECIAL REPAIR TO ROOF TREATMENT OF FIRST FLOOR AND ALLIED WORK OF KV SCHOOL AT DAPPAR UNDER AGE (I) DAPPAR

Demolition of cement concrete (unreinfoced) as in roof and paving exceeding 15 cm thickness in roof and similar suspended work and removal of debris out from MOD land all as specified and as directed by Engineer-in-charge.

Material and labour for 25 mm thick cement concrete 1:2:4 type B1( using 20 mm graded stone aggregate) as in roof padding, levelling course complete all as specified and as directed.

Material and labour for 10 mm thick rendering on roof / parapet walls in cement mortar (1:3) mixed with liquid WPC as per manufacturers instructionst finished even and fair complete all as specified and as directed. Note : Liquid WPC will be measured and paid separately.

Material and labour for applying a coat of bitumen primer confirming to IS-3384-1986 @ 0.40 ltrs/Sqm on prepared surfaces and allow to dry complete all as specified and as directed.

Material and labour for providing APP based polymeric membrane minimum weighing 3kg / sqm and minimum 3mm thick reinforced with polyster non wove fabric ( wt. not less than 150 gms/sqm ) land on primed surface by forced application complete all as specified and as directed.

Material and labour for providing cement concrete tiles 25cm x 25cm x 22mm thick, with grey cement and no pigment machine pressed; set jointed and pointed in neat cement slurry in floors/ roof, and cut and polished laid over and including cement screed bed 15 mm thick in CM 1:6 complete all as spcified and as directed.

Material and labour Cement concrete 1:2:4 type B-0 using 12.5mm graded stone aggregates as in steps; seismic and other similar bands, plinth courses, string courses, parapets and copings, kneelers, apex stones, bed plates, kerbs , water troughs and the like including weathering, slightly rounded or chamfered angles and throating complete all as specified and as directed.

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

Material and labour for brick work using sub class ‘B’ bricks, straight or curved on plan exc 6m mean radius built in cement mortar 1:6 complete all as specified and as directed.

Taking down cement plaster of any description, any thickness from external surfaces of walls incl raking out joints, hacking for keys, scrubbing down with water etc complete all as specified and as directed