Himachal Pradesh Irrigation And Public Health Department Tender

Excavation in foundation, trenches etc. in earth work in all kinds of soil lift upto all height, stacking the excavated soil not more then 3 mtrs. clear from the edge of excavation & then returning the stacked soil in 15cm layers when required into plinth sides of foundation etc. consolidating each deposited layer by ramming & watering and then disposing of all surplus excavated earth as directed within all leads and lifts. (Pick Jumper work)

Laying, Jointing and testing of bevelled ended GI pipe with circumferntial butt welded joints wherever required 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: 1239-1990 (Part-II), having wall thickness as specified below capable of withstanding required test pressure, including manufacturing and fabrication of reducers/tapers, all short piece, bends etc. as per site requirement made from parent tubes. The laying of pipe shall also include welding of flanged joints of every xviith pipe 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, and laying in excavated trenches to ensure required level complete in all respects to the best satisfaction of the Engineer-in-Charge (Earth work in the trenches and the cost of providing flanges i/c nut & bolts, gasket 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 of ISI marked make. The damaged portion of the pipes (if damaged during laying and jointing operation of pipe) and all other special 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 specifactions C-203-1978. The rates also includes entire carriage of material, flushing , cleaning and hydraulic testing of pipes. D.P test of butt welded joints complete in all respect and to the best satisfaction and direciton of Engineer-in-Charge within all leads and lifts.

65mm dia (P/E) (Labour Rate).