Water Supply, Irrigation & Sanitation Tender Results

Excavation in foundation, trenches etc. in earth work, lift upto 1.50 mtrs 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 a lead of 20 metres.

Prov. Pipe Earthing Set

Laying, jointing (by way of circumfrential butt welded joints by electrical arc welding) and testing of MS 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). 450 mm diameter MS Pipe (L-290) 5.60 mm thickness

Central Public Works Department