ADDITIONAL DRAINAGE WORK FROM RCC GUTTER TO STREET FROM ALUVA TO PETTA STATIONS OF KOCHI METRO RAIL LTD

Supplying, laying, jointing and commissioning ISI marked rigid pvc pipes 6kg/cm2 for soil & waste pipes conforming to IS 4985 or 13592 Type B pipes cut to required lengths

110 mm pvc 6 kg

Providing and fixing on wall face unplasticised-PVC moulded fittings/accessories for unplasticised rigid PVC pipes confirming to IS: 4985 including jointing with seal

110 mm elbow

110 mm coupling

Providing and fixing 1.6mm Rail supports for pipes with anchor fastner , bullets nut and washer and threaded rod

Providing and fixing supports for pipes with U Bolts

110 mm U bolt

Making hole up to 20x20 cm RCC Cutting as per the engineer in-charge

Removing and refixing 3.1 m wide panel of ACP by a). removing the sealant, screws and backer rods from the existing ACP joint for opening the ducts and 2). refixing the ACP panel back in position with screws, filling the gap with backer rods and application of sealant to provide a neat joint. The work also involves all the lead, lift, machinery and labour involved completely.

Providing and laying water proofing treatment in sunken portion of WCs, bathroom etc., by applying cement slurry mixed with water proofing cement compound consisting of applying : a) First layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/sqm. This layer will be allowed to air cure for 4 hours. b) Second layer of slurry of cement @ 0.242 kg /sqm mixed with water proofing cement compound @ 0.126 kg/ sqm. This layer will be allowed to air cure for 4 hours followed with water curing for 48 hours. The rate includes preparation of surface, treatment and sealing of all joints, corners, junctions of pipes and masonry with polymer mixed slurry.