TCMC - Construction of RCC Manhole,Laying of Pipe 750mm and 400mm Dia DI Pipe,300mm Dia PVCPipe and SS Coller at Radial Road and Ragasamy Street in Ward No.20,21 in Tambaram City Municipal Corporation

Amount

Construction of Precast circular RCC machinehole using sulphate resistant cement with M30 design mix concrete using Crushed stones and (Msand) including earth work excavation as per SS20B including timbering and pumping charges (for 2.5m depth and above), Providing Plain Cement Concrete 1:1.5:3 using 20mm B.G. jelly for foundation, supplying and filling sand for bedding, Providing base units of 1m height (base slab and side wall), riserunit (with out corbel) of varying heights to suit the various depth requirements and roof slab including cost of steel reinforcement, cost off abricating the steel mould using MS sheet and IS Aangles including material and labour cost, Providing CI steps, fixing FRC machine hole frame and door, benching and channelling, refilling with excavated earth and disposal of surplus earth, joining of precast units by grouting with CM 1:1 and polyurethane based water proofing compound 1% (by weight of cement ) at shear key and protruded bars-groutholes locations, Cost of conveyance and erection charges of precast machinehole at the required position as directed by the engineer at site including testing the machnehole with water for 48 hours to check water tightness and rectifying the defects if any for the following sizes and depths 0.00m to 5.00m Depth

Replacement of Underground Utilities 10 KSC (PVC Pipe) damaged during earthwork excavation for pipe laying works including cost of additional earthwork excavation in all soil strata, including BT/CC road cutting, removal of slushy soil and replacing the pipeline with sound pipe, including supply and delivery of PVC pipes, couplers, jointing materials and required specials, cutting, conveying , laying, jointing and cost of refilling for the additional earthwork etc complete and as directed by the TWAD board officers. 300mm Dia PVC Pipe

Supply and Delivery of Ductile Iron Socket/Spigot Pipes For Class K9 As Per Is 8329/2000

750mm Dia

400mm Dia

Laying, jointing with Lead /Lead wool joints (Labour only), testing of C.I. pipes including earth work excavation for trenches in hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing theearth on banks with initial lead of 10m. and carting of pipes from any of the Board’s stores to the site of work, lowering in to trenches and aligning, refilling the trenches with excavated soil, watering and ramming to consolidation,d isposal of surplus earth etc.,complete (Timbering included for Depths 2.50m,3.0m,3.5m,..........upto 8.5m)

750mm Dia - 0.00m to 5.50m Depth

400mm Dia - 0.00m to 5.00m Depth

Supply and delivery of 750mm dia 800mm lenght Leak Arresting Flexible SS Clamps of Wrap Around Single Section type upto 500 mm diameter and Maxi Range double section type beyond 500 mm OD of all rigid pipe sections. The Clamps made of stainless steel SS304 metallic body of 0.8 to 1.0mm maximum thickness pasted with Waffle gaskets of Natural / Nitrile / EPDM grade (BS EN681-1) and fitted with self stabilizing Finger type clamps of 200 mm length SG grade malleable cast iron duly powder coated (BS 2789 grade 400/12) and connected through fasteners of EN8 material with Zinc Coating (BS 970). Suitable width of the clamps to be decided by the engineer incharge at site depending on the nature of pipe crack The cost shall inclusive of all labour and materials to site etc, complete as per standard specification.

Dewatering using 40HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Providing Dummy for Pipe Laying Work With Both Side of the UGSS Gravity Main Line including labour charges, Dummy Materils and loading, unloading and any other incidental charges etc., complete.

Raising the Existing Damages and Low level UGSS Manholes to the relaying the road height by using SFRC manhole frame with cover of size 900mm dia and cover, pointing by C.M.1:3, 20mm thick. The cost shall inclusive of all labour and materials to site etc, complete as per standard specification. 2.00m Depth

lavanya (BID ID -1099249)