Laying of 600mm dia. Sewage Pumping line from Valve pit to C.C Tank area in Jakkampudi STP in VMC.

Supply and delivery of Centrifugally cast (SPUN) Ductile Iron Pressure pipes for water, gas and sewage with socket spigot ends conforming to I.S, 8329/2000 in standard working lengths of 4, 5, 5.5 & 6 meter for classification K9 suitable for push on joint (Rubber gasket jointing) with cement mortar lining inside the pipes with outside zinc coating. The rate including cost, transportion and stacking at site etc., complete as per S.S and as directed by the departmental authorities of 600mm dia.

Earthwork excavation in Marshy soils up to 3.0Mt. from G.L as per drawings and technical specifications including setting out, construction of shoring and bracing, removal of stumps and other deleterious material, dressing of sides and bottom as per Technical Specification 304 MORTH and as directed by the departmental officer including protecting the existing utility services wherever it is possible during the execution and taking all precautionary measures in the restricted areas including divertion of traffic and backfilling in trenches with excavated suitable material and disposal of remaining earth upto a lead of 50 m, including all incidental and operational charges etc., complete by mechanical means.

Removal of wet silt/sludge with the aid of baskets and vessels for cleaning the Reactor including all labour charges, hire charges of all required vessels including all lift charges etc., complete as per the directions of departmental authorities.

Engaging of 35 Tonnes lifting capacity Crane on hire basis including hire charges, fuel charges, crew charges etc., complete as directed by the departmental authorities.

Bailing out of water from pipeline trenches with oil engine, driven pump sets including hire charges, fuel charges, wages of driver and helper etc., complete as directed by the departmental authorities.

Supply and delivery of 6mm thick Rubber packing including cost and conveyance to work spot etc., complete as per S.S and directed by the departmental authroities.

Supply and delivery of bolts and nuts with double washers including cost and conveyance to work spot etc., complete as per S.S and directed by the departmental authroities.

Supply and delivery of Sand from approved quarries including cost and conveyance of all materials and labour charges for filling, sectioning, watering and ramming etc., complete as per S.S and as dircted by the departmental authorities.

Supply and laying of Sand Bags in the stipulated places including cost of empty cement bag, sand, thread, stitching charges and all labour charges etc., complete as dircted by the departmental authorities.

Providing Plain Cement Concrete of M20 Grade Design Mix using 343Kgs. of Cement, 20mm,10mm nominal size Graded hard stone aggregate, mechanically mixed, placed in foundation and compacted by vibration including cost and conveyance of all materials and all labour charges for machine mixing, laying, tamping of concrete & curing for 14 days with necessary form work etc., complete as per drawings and technical specifications of MORTH.

Lowering C.I. / D.I. Pipes of all classes and specials (fittings) with S/s ends carefully into trenches and laying them true to alignment and gradient including all sundries but excluding cost and conveyance of pipes from source of supply (Ref to specifications. BIS No.3114/1994)

Jointing C.I., D.I. pipes and fittings with rubber gasket (push-on-joint), excluding cost of the gasket but including all sundries filling with water with a water lead up to 500m and testing to required pressure, etc., complete as per S.S (Reference to specifications IS 3114/1994 & 12888/1987.

Supply and delivery of Centrifugally cast (spun) Ductile Iron Fittings conforming to IS:9523/2000 having dimensions as per table. The rate including zinc coated externally with inside mortar lining etc., complete as per S.S (with finishing as per class 13/IS 9523/2000)

Supply and delivery of 600mm dia. x 20mm thick M.S Flanges including bolts, nuts, Rubber packing, flange thickness conforming to IS:7322-1985 and flange dimensions conforming to IS:1538-1993 excluding cost of M.S specials including cost and conveyance to site etc., complete as per S.S.

Manufacture as per BIS: 12820/89 with S.B.R. Quality Rubber confirming to BIS: 5382/85, supply and delivery of Rubber Gaskets suitable for C.I/ D.I S/S pipes including cost of material, loading, incidental handling with companies standard packing, transportation, unloading & stacking etc., complete as per S.S.

Manufacture, supply and delivery of submerged ARC welded M.S Pipe having beveled ends from plate or coil conforming to IS-3589 and/or IS-5504 with its latest revision / amendment with inside 406 micron thick food grade epoxy coating and outside 3LPE coating conforming to DIN 30670 for the specified thickness & inner diameter of pipe, external field joint coating with polyolefin backing and internal field joint coating with chemically cured 2 part epoxy based solvent free liquid coating material for Drinking Water NSF approved etc., complete including all labour, materials and ROU/ROW as per specification and to the satisfaction of Engineer-in-charge of Inner diameter 600mm dia. Outer diameter of 611.60mm of 5.80mm thick.

Engaging of skilled Welder on NMR basis for welding, grinding of Pipeline works as per the directions of the departmental authorities.

Engaging of semi skilled Welder (2nd class) on NMR basis for welding, grinding of Pipeline works as per the directions of the departmental authorities.

Engaging of Labour / Mazdoor on NMR basis for various contingent works in pipeline laying as per the directions of the departmental authorities.

Engaging of Welding set on hire basis including hire charges, fuel charges, crew charges etc., complete as directed by the departmental authorities.

Supply of Welding electrodes of 4mm dia. of approved quality etc., complete as directed by the departmental authorities.