Himachal Pradesh Irrigation And Public Health Department Tender

Excavation in foundation and trenches (For pipes and pits) up to all depths and in all classification of earth work such as pick work, jumper work, saturated soil including bailing or pumping out of water, blasting soft / hard rock or chiselling / wedging out of soft/hard rock , where blasting is prohibited, in all lifts including trimming and dressing of sides, levelling of beds to correct grade including shoring, strutting , planking, timbering and dewatering where ever required. Stacking usable and unusable material /soil seperataly and after laying, jointing and testing of pipes (for pipes only), returning the usable soil in 15cm layers by ramming and watering and then dIsposing of all surplus excavated soil/ unusable material as directed within all leads/ lifts including restoration of unmetalled surfaces to its original condition and including cost of diversion for traffic, night signal boards, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respects within all leads and lifts as per direction of the Engineer-in-charge.

laying ,Jointing (by way of circumfrential butt welded joints by electrical arc welding) and testing of in trenches galvanised mild steel tubes (GI pipes) of following diameters conforming to ISO :1239 :2001 ( latest with up to date amendments ) having minimum wall thickness as specified below with bevelled ends and capable of withstanding required test pressure in a random length of 4 to 7 meters,including manufacturing reducers/tappers,all short pieces,bends etc. as per site requirement made from parent tubes.The laying of pipe will include all operations such as cutting,welding,jointing,fabrication of bends,tees etc. including lowering and laying in excavated trenches to ensure required level including flushing,cleaning and hydraulic testing complete in all respects to the satisfacation of Engineer-in Charge.The babricated bends shall have three or four cuts having its radious not less than five times the dia of pipe.The pipe sghall factory galvanised (Zinc coating both inside and outside) as per relevant IS Standards and damaged portion of pipes and specials made from the parent tube during welding or otherwise shall be as per AWWA specifications C-203-1978 . The welding electrodes shall be as per IS 814 of Advani Oerlinkon/L&T or ISI marked make.The rates also includes entire carriage of materail,flushing,cleaning & hydraulic testing complete to the best satisfaction & direction of engineer in charge with in all leads and lifts.(Earth work in trenches will be measured and paid for separately)

RDs From To Length Dia Class Wall Thick. Total Length 5800 7600 1800 32 Medium Class 4.50 1800