tender for roof treatment to rcc slab and connected items of certain buildings in zone i at mil stn samba - demolition of brick work or stone masonry, built in cement mortar incl all quoins, arches pillars etc complete all as specified and directed . 2 brick work withsub classb burnt bricks straight or curved on planexc. 6 m mean radius built in cm 1:6 complete all as specified and directed . 3 brick work withsub classb burnt old size bricks straight or curved on planexc. 6 m mean radius bult in cm 1:6 but except bricks, complete all as specified and as directed. 4 taking down cement plaster on brick / concrete surfaces or stone walls, ceiling, etc, including raking out joints, hacking for key, scrubbing down with water etc and removing outside defence area, complete all as specified and directed .note- work will be carried out upto 2nd storey of bldgs also as per direction of engr-in-charge including necessaryscaffolding required as per site conditions & no extra payment shall be made on this account. 5 rendering 15 mm thick on fair faces of brick or concrete surface walls in two layers ( first layer 10 mm thick cm 1:6 and second layer 5 mm thick cm 1:4 mixed with wpc ) , finished even and fair without using extra cement ( wpcincluded the quoted rate ) complete all as specified and as directed by engineer-in-charge. 6 dismantling brick tarracing tiles single layer on roof and top or complete removal of existing tretment, complete all as specified and directed. 7 demolition of cement concrete ( reinforced ) of any description and in any position not otherwise specifically provided for, complete all as specified and directed. 8 demolition of cement concrete roofs, floors ( other than ground floors ) , beams, staircases, landing, chajjas and similar suspended work, complete all as specified and directed. 9 pcc 1:2:4 type b-0 ( using 12.5 mm graded stone crushed aggregate ) as in roof padding kerb stones, coving, slopping etccomplete all as specified and directed. 10 complete removal of existing water proofing treatment over rcc roof, projections of any thickness, any type by stripping out old tar felt over roofs, parapets, chimney stacks etc laid horizontally or vertically including taking out layer of cement plaster etc and cleaning the surface with wire brush including removing debris from the site and depositing inlow lying area where directed and providing following :- ( a ) preparing existing surface of floor and brushing neat cement slurry with 3.0 kg of cement per sqm ( b ) rendering 15mm thick in cement mortar ( 1:4 ) on concrete roof surfaces and finish the surface even and smooth without using extra cement including mixingwater proofing compound @ 2% by weight of cement. ( c ) apply a coat of bituminous primer confirming to is-3384@ 0.4 ltr / sqm on newly plastered surface after curing as per is-456 and dried. ( d ) after the primed surface has dried, apply a coat of hot blown bitumen ( 85 / 25 penetration ) confirming to is-702 @ 1.2 kg / sqm of the surface. 11 cound down description as per srl item no. 10.00 ( e ) provide polymeric water proofing membrane isi marked laid with overlaps, bonded with hot blown bitumen, and laid by torch application method, end overlaps shall not be less than 150mm and side lap 75mm. polymeric water proofing membrane should be five layered with centre core as 90 micron high molecular high density polyethylene film, min weight 3 kg per sqm. app membrane shall laid acorss the slope from lowest line of sloping roof towards ridge. ( f ) over the app membrane, apply a two coat of solar reflective bituminious paint on top of membrane shall be provided as prescribed by manufecturer.note : ( i ) care shall be taken to avoid wrinkle and air gaps while sticking membrane to the bitumen applied surface. ( ii ) ponding test shall be conducted for 72 hrs as directed by engr-in-charge. photograph of ponding shall be produced at the time of rar. ( iii ) water proofing compound rate inclding qouted rate nothing paid extra. 12 supply only of liquid water proofing compound isi marked complete all as specified and directed 13 rcc m-15 ( nominal mix ) 1:2:4 type b-1 using 20 mm graded crushed stone aggregate as in slabs supported on walls, beams and columns in floors, roof slab, landing, balconies, canopies, deck slabs, shelves and the like etc complete all as specified and directed. 14 mild steel tmt bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire ( annealed ) not less than 0.9mm dia or securing with clips, complete all as specified and directed. 15 use and waste formwork to soffits of suspended slabs such as roof slabs, floor slabs, chajjjas, landings and similar work; not exceeding 200mm thick ( horizontal or sloping ) incl fair finished surface complete all as specified and directed. 16 preparation of new plastered surfaces of walland applying two coats of cement base paint over a coat of primer complete all as specified and directed. 17 preparation of old plastered surfaces of walland applying two coats of cement base paint complete all as specified and directed. 18 taking down gi pipe 15 mm bore steel tubing and connections including cleaning for refixing or removal to store complete all as specified and directed 19 gi water tubing medium grade of bore 15 mm dia with all fitting like as ( elbow, tee, sockets, union, nipple, and bend etc ) on wall for water heater, complete all as specified and directed. 20 g.i. pipe 15 mm bore tubing medium grade galvanised with all fitting fixed to wall, ceiling or laid in floors , but except pipe, complete all as specified and directed 21 taking down gi pipe 20 mm bore steel tubing and connections including cleaning for refixing or removal to store complete all as specified and directed 22 gi water tubing medium grade of bore 20 mm dia with all fitting like as ( elbow, tee, sockets, union, nipple, and bend etc ) on wall for water heater, complete all as specified and directed. 23 g.i. pipe 20 mm bore tubing medium grade galvanised with all fitting fixed to wall, ceiling or laid in floors , but except pipe, complete all as specified and directed 24 rotational moulded polye- thylene water storage tanksof capacity 500 ltrs ( cylindrical vertical with closed top ) three layeres hoisted and fixed in position including all necessary connections all as specified in ssr part i& including dismantling old unserviceable tank, complete all as specified and as directed. 25 rotational moulded polye- thylene water storage tanksof capacity 1000 ltrs ( cylindrical vertical with closed top ) three layeres hoisted and fixed in position including all necessary connections all as specified in ssr part i& including dismantling old unserviceable tank, complete all as specified and as directed. 26 disconnecting of existing water tanks exc. 250 ltr but n.exc. 500 ltr setting aside ( or lowering if required ) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position complete all as directed. 27 disconnecting of existing water tanks exc. 500 ltr but n.exc. 1000 ltr setting aside ( or lowering if required ) for repairs, cleaning, etc. and hoisting if required reconnecting and re-fixing in position complete all as directed.