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 water, blasting soft/ hard rock, chiseling /wedging of soft / hard rock where blasting is prohibited, in all lifts including trimming and dressing of sides, leveling of beds to correct grade including shoring, strutting, planking, timbering and dewatering wherever required. Stacking usable and unusable material /soil separately and after laying jointing and testing of pipes, returning the usable soil in 15cm layers by ramming and watering and then disposing of all surplus excavated soil/ unusable material as directed with in all leads/ lifts including restoration of un-metalled surfaces to its original conditions 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 GMS pipe of following dia meters confirming to BIS 1239 (Part-1), grade specified below (latest with upto date amendments) having 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/ tapers , all short pieces, beds etc. as per site requirement made from parent tubes . The laying of pipe will include all operation 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 satisfaction of the Engineer in charge. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The pipes shall be factory galvanized (zinc coating both inside and outside) as per relevant IS standards. The welding electrodes shall be as per IS 814 of Advani Oerlikon/ L&T or ISI marked make. The rates also includes entire carriage of material, 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). (i) 100mm dia GMS Pipe (Medium Class) from RD 0 to 580=580 Rmt

Laying , jointing of GMS tube in trenches (light grade) of following dia's meter including providing and fixing tube fitting such as bends, tees, air valves, unions and collars etc. including carriage as per direction and to the entire satisfaction of the Engineer-in-charge (earth work in trenches to be measured and paid for separately).65mm dia