Providing and laying of 160mm HDPE pipeline for Tropical Mushrooms P. Ltd for agriculture use in V.P. Usgao Ganjem of Valpoi Constituency in Ponda Taluka.

Earthwork in excavation by mechanical means in all type of strata comprising any of the materials such as soil, sand, silt, clay, gravel, moorum of all varieties, shingles, pebbles all types of conglomerates, laterite rock, soft rock, disintegrated rock or weathered rock, fissured/shattered, decomposed rock and such material either in full or in parts, as the case may be adopting any approved method or methods as may be convenient or permitted incl. chiseling, wedging etc. but blasting prohibited in all condition such as dry, moist, saturated, submerged, foul conditions etc including pumping or bailing out water/dewatering including setting out construction of shoring and bracing, removal of stump and other deleterious matter, dresing of sides and bottom and backfilling the excavated earth to the extent required and disposal of excavated soil/rock at specified areas within 50m lead and 1.50m lifts etc as per specification and drawing and as directed by the Engineer-in-charge.

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Centering and shuttering including struttings,propping etc. and removal of formwork for : Foundations, footings, bases for columns and mass concrete.

Providing & laying cement concrete 1:2:4 (1 cement: 2 coarse sand: 4 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in: All works upto plinth level

12mm cement plaster 1:3 (1 cement: 3 fine sand)

Neat Cement punning

Supplying, of HDPE pipes at store or site of work including loading unloading, stacking, transit insurance etc. complete bearing ISI mark & conforming to IS: 4984-1995 & made from PE 100 resin Class IV (10 kg/cm2). Outer dia. in mm. 160

Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying true to line and level and perfect linking for joints for P.V.C / H.D.P.E complete in all respects as per the direction of the engineer in-charge. 160mm outer Dia

Jointing of HDPE pipes by heating the two ends of the pipe with electrically heated mirror, to the required temperature, including the hire charges of heating mirror and the generator set for the electricity for the heating mirror etc complete as per the direction of the engineer in- charge. 63 mm to180 mm OD. 160 mm OD

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C. I. Double orifice type air valve as per fig DS1 within built isolating valve small with SS spindle and CI protective cap confirming to IS1 4845/2000 (with latest amendments).Low pressure large orifice chamber with vulcanite coated timber ball resting on moulded rubber seating and chamber having CI cowl protection.High pressure chamber shall have rubber coated timber ball as float having Float guides; and LTB or SS orifice nipple The body seat ring shall be of LTB as per IS 318 LTB2 or of SS. All nuts /bolts shall be of carbon steel of SS. The flange shall be drilled and faced ,as per IS1538(part 4 &6) suitable to working pressure of 10 kg /cm2 TYPE P.N. 1.0 (Class B). Dia in mm. 50