REPAIRS TO RCC ROOF SLAB OF VARIOUS BLDGS. INSIDE FACTORY AND MAGAZINE AT O. F. CHANDA

Amount

Cat (A) -Items to be supply and fixing

Demolition of cement concrete in Roofs, floors (other than ground floors) and similar suspended works, removal of demolished material upto 100 mts. from starting point etc. complete all as per the direction of Engineer-In-Charge.

Taking down or removing old existing tarfelt / bitumen carpet (for naked concrete surface) of any description over roof slab & wall, cleaning the entire surface with wire brush / chisels etc. Complete all as per the direction of Engineer-In-Charge

Taking down cement plaster on brick or stone walls etc. including raking out joints, hacking for key, scrubbing down with water, removal of the rubbish off the premises including necessary scaffolding required etc. Complete all as per the direction of Engineer-In-Charge.

M & l Cutting grooves in brick wall, 75mm wide and 65mm deep and shaping horizontal face of groove with cement mortar 1:3 etc. Complete all as per the direction of Engineer-In-Charge

M & L for Roof slab grouting with drill machine, fixing pvc pipe 15mm bore dia. with quick setting cement for injection grouting method with a pressure not less than 7 kg/sqcm using non-shrink Dt. Fixit Pidicrete AM or equivalent – 225 gm per 50 kg cement adding the water grouting pressure till reversal flow appears on the slab etc. complete all as per the direction of Engineer-In-Charge.

Supplying only liquid water proofing compound ‘CICO No.1’, ‘Dr. Fixit Pidiproof LW+’, ‘Sika plastocrete super’ or equivalent as directed to use in cement concrete or cement mortar @ 3% per 50 kg bag of cement etc. complete all as per the direction of Engineer-In-Charge

Applying / Brushing neat cement slurry with 3.0 kg of cement per sqm. over roof slab before laying PCC roof padding etc. complete all as per the direction of Engineer-In-Charge.

Providing & Laying PCC 55 mm thick Type – B1, 1:2:4 mix with use of approved quality & grade of cement, compaction, curing including finishing the surface even & smooth without using extra cement including making impressions with string to form panels etc. complete all as per the direction of Engineer-In-Charge.

Rendering cement plaster 20mm thick in C. M. 1:4 on fair face of brick work or concrete work including finishing the surface even & smooth without using extra cement, scaffolding, curing etc. complete all as per the direction of Engineer-In-Charge.

Rendering cement plaster 15mm thick on ceiling over chajjas, etc . in C. M. 1:3 with finishing the surface even & smooth without using extra cement, scaffolding, curing etc. complete all as per the direction of Engineer-In-Charge.

M & L for one coat of cold Bituminous primer @ 0.30 Litre / Sqm of approved make over roof slab for laying APP sheet etc. complete all as per the direction of Engineer-In-Charge.

S & F APP Based polymeric membrane (Make- Dr. Fixit, Torchshield, STP Shalimar, Tikitar, TEXA, HPP, Asian or equivalent only acceptable) weighing 3 Kg/Sqm & minimum 3 mm thick reinforced with polyester non-woven fabric (wt. not less than 150 gms/sqm) land on primed surface by forced application as per manufactures instruction or Use gas/Kerosene burner to heat substrate & underside to softening points. When the embossing disappears, roll forward & press firmly against substrate to bond from the lower end towards the higher end, Keep overlap margin for minimum 100 mm. Heat both the overlaps & use round tipped trowel to seal overlap. Excess compound should be smoothened & pressed into seam using hot trowel. All angles & abutments upstands should be sealed with extra care to ensure perfect bondage including necessary scaffolding, safety devices etc. complete all as per direction of Engineer-In-Charge.

Fixing only dismantled Aluminium strip with saddles and fixing screws on porcelain insulators fixed over PCC block etc. for roof conductors & down conductors above ground etc. complete all as per the direction of Engineer-In-Charge.

M&L Cement Painting on wall of new surface – 02 coats over one coat of primer, Make – Snocem / Asian / Berger / Shalimar paint or any equivalent only acceptable including all preparatory works such as papering, necessary scaffolding etc. complete all as per the direction of Engineer-In-Charge.

M&L for White washing on ceiling of old decorated surfaces – 02 coats using binder of approved Make, washing down, removing loose scales, steel wire brushing, including all preparatory works etc. complete all as per the direction of Engineer-In-Charge.

P. P. CONSTRUCTION

Raghuveer Construction

HARIOM ENTERPRISES

M/s Praveen Construction

RAMKANWAR CONSTRUCTION COMPANY