Bhakra Beas Management Board Tender

Excavation manually in trenches for pipe lines with straight or open cutting in streets and lanes in built-up area where width of street Lane from wall to wall is less than 3 meters including trimming and dressing sides levelling of beds of trenches to correct grade, cutting joint holes, filling consolidation, watering, including the cost of dewatering of rain water, diversion for traffic, night signals. Providing & fixing caution boards, watching, fencing, etc. and removal of surplus soil from the site upto 15 meters distance complete in all respects. (b) Exceeding 1.5 m depth but not exceeding 2.25 m depth (ii) For Ordinary soil having gravel upto 40%

Providing, laying, fixing, jointing and testing in trenches MS pipe of following dia meters confirming to confirming to BIS 3183-2007, of following grade and having wall thickness as specified below with plain end and capable of withstanding required test pressure in random length of 4 to 7 meters, including specials, short pieces, bends, reducers, tees etc. made from parent tube, providing and welding of MS flanges detailed as below. The MS flanges shall confirm to BIS 6392-1971 (with latest up to date amendments) duly welded in two layers (two inner and two outer) with pipes at both ends as per relevant BIS standards along with nuts and bolts of required sizes, 3mm thick compressed asbestos fiber/synthetic rubber gaskets confirming to relevant BIS standards. The laying of pipe will include all operation such as cutting, welding, jointing, providing & fixing of MS flanges, 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 and the damaged portion of the pipes and specials 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 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)300 mm dia - MSERW pipe of 4.80 mm thickness (L290 or X-42) FT-11

Providing , laying, jointing (by way of circumferential butt welded joints by electrical arc welding) and testing of MSERW pipe of following dia meters confirming to BIS 3183-2007, steel 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). 300 mm dia - MSERW pipe of 4.80 mm thickness (L290 or X-42)