Improvement of distribution system of LWSS Jharat Rajhoon WSS Parour Kharot In Tehsil Palampur Distt. Kangra H.P. SH ,Laying , Jointing and testing of gravity main 150 mm dia GI pipe from WTP Jia to main storage tank

Amount

Excavation in foundation trenches etc.( for pipes and pits) in all kind of soil such , as pick work, jumper work saturated soil including bailing or pumping out water, blasting soft/hard rock or chiselling soft /hard rock where blasting is prohibited in all leads & lifts including timbering & dressing of sides levelling of beds to correct grade including shoring shuttering planking timbering and dewatering where ever required stacking usable/unusable material soil separately and after laying jointing and testing of pipes returning the usable soil in trenches in 15cm layers including consolidating of each deposited layer by ramming & watering & then disposing of all surplus excavated earth as directed with in all leads & lifts including restoration of unmetalled surfaces to its original condition & including cost of a diversion for traffic night signals,fixing caution boards crossing over trenches for access to houses fencing etc. as per direction of Engineer-in-Charge with in all leads and lifts.

Laying, jointing with circumfrential butt welded joints by electrical arc welding ( welding thickness shall be equal to pipe wall thickness) steel flanged pipes after every 100 mtr of pipe of following diameter .Conforming to IS 1239-1990 (Part-II), having wall thickness as specified below capable of withstanding required test pressure, including manufacturing and febrication of bends/ reducers/ tapers , all short pieces, etc. as per site requirement made from parent tubes . The laying of pipe shall also include flanged joints duly welded in three layers (Two inner & one outer), where ever required as per direction of the Engineer-in-charge (Earth work in trenches and the cost of providing flanges i/c nut & bolts, gasket will be measured and paid for separately) and all operations such as cutting, welding, jointing, fabrication of tees i.e. lowering and laying in excavated trench to ensure required level including flushing, cleaning and hydraulic testing complete in all respects to the entire satisfaction of the Engineer in charge. The welding electrodes shall be as per IS 814 of Advani Oerlikon/ L&T or ISI marked make. The damaged portion of the pipes and all the specials ( If damaged during laying & jointing operation of pipe) made form the parent tube shall be provided anticorrosive treatment by applying two coats of anticorrosive bituminous paint over a priming coat as per AWWA specifications C-203-1978. The rates also includes entire carriage of material, flushing, cleaning & hydraulic testing, 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.

150mm dia (M. Class) Flange table -5 from Rd 0 to 5550=5550 &3690to4470=780mtr

150mm dia (M. Class) Flange table -17 Rd 5550 to 11000 = 5450Rmt & 4470 to 8615= 4145 Rmt

Providing and welding M.S. flanges at 100 mtr joint flanged, conforming to following tables as per IS 6392-1971 (Latest with up to date amendments) with plain end MSERW pipe /GI pipe by two layers on outer faces and one layers on inner face to make the joint leak proof (The cost of providing and laying of MSERW /GI pipes and butt welded joint to be measured and paid for separately). The welding of flanges should conform to IS: 816-1969 with electrodes as per IS: 814-1991 and required number of nuts and bolts conforming to IS 1364 including cost of gasket sheet nuts & bolts. The thickness of gasket sheet not less then 3.00mm conforming to IS 2712-1998. The work shall be done to the entire satisfaction of Engineer in Charge with in all leads and lifts.

150mm dia (M. Class) Flange table -5 from Rd 0 to 5550=5550/100=56 Nos& Rd 3690to4470=780/100=8 Nos

150mm dia (M. Class) Flange table -17 Rd 5550 to 11000 = 5450/100=55 Nos & Rd 4470 to 8615=4145/100=42 Nos

Dismentalling of GI.Pipe( M. Class) complete in all respect (excluding the cost of earth work) stacking the same as per the direction of Engineer- in - Charge including carriage of material within all leads & lifts .150 mm dia