Retrofitting of existing STP for Septage Management in Tehsil Nagrota Bagwan

Dressing of bed and preparation of sub grade for CC lining in pick work complete in all respect including all leads and Lifts as per the direction and satisfaction of Engineer-In-Charge.

Excavation in foundations,trenches etc., in earth work, lift upto 1.50 mts. Stacking the excavated soil not more than 3 mts. Clear from the edge of the excavation & then returning the stacked soil in 15 cms. Layers, when required into plinths sides of foundation etc., consolidating each deposited layers by ramming & watering & then disposing of all surplus excavated earth complete in all respect as per the direction and to the entire satisfcation of Engineer-in-Charge within all leads and lifts.

Stone soling properly hand packed filling under the floor complete in all respect as per direction and to the entire satisfation of Engineer- in- charge up to leads and lifts.

Providing and Laying cement concrete 1:3:6 (1cement:3 sand:6 graded stone aggregate 40mm nominal size) and curring excluding cost of form work in foundation and plinth complete in all respect including all leads and Lifts as per the direction and to the entire satisfection of Engineer-In-Charge.

Steel work in built up section trusses and framed work including cutting chisling fixing in position and applying a priming coat of red lead paint in grating, framed guards bars railing M.S. ladder including carriage of material complete in all respect as per direction and to be entire satisfation of Engineer- in- charge up to all leads and lifts.

Providing corrugated G.I sheet roofing fixed with galvanised iron J or L hooks volt and nuts 8mm dia meter with bitumen and G.I. Limpet washer filled with white lead complete excluding the cost of purlines rafters and trusses 0.80 mm thick sheet back of roof complete in all respect including all leads and lifts.

Laying, jointing & testing of bevelled ended GI pipe with circumfrential butt welded joints by electrical arc welding (welding thickness shall be equal to pipe wall thickness) and testing of GI pipe of following dia meters conforming to IS 1239-2004 (Part-II), having wall thickness as specified below capable of withstanding required test pressure, including manufacturing and febrication of reducers/ tapers , all short pieces, bends etc. as per site requirement made from parent tubes. The laying of pipe shall also include welding of flanged joints wherever required duly welded in three layers (two inner & one outer) and all operations such as cutting, welding, jointing, fabrication of bends, tees, making bevelled pipe ends suitable for butt welding, lowering & laying in excavated trenches to ensure required level complete in all respects to the best satisfaction of the Engineer-in-charge (Earth work in trenches will be measured and paid for separately) . The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The welding electrodes shall be as per IS 814 of Advani Oerlikon/ L&T or ISI marked make. The damaged portion of the pipes ( If damaged during laying & jointing operation of pipe) and all other specials made from the parent tube shall be provided with anticorrosive treatment by applying two coats of anticorrosive bituminous paint over a priming coat as per AWWA specifications C-203-1978. The D.P test of butt welded joints complete in all respect and to the best satisfaction & direction of Engineer in charge with in all leads and lifts.

100 mm dia