Urgent laying of 160mm O-PVC pipeline from St. Michael School Vagator to Papa house in Siolim Constituency.

Earthwork in excavation by mechanical means (hydraulic excavator)/ manual means in foundation pipeline trenches, drains not exceeding 1.5 m in width 10sq.m on plan including dressing of sides ramming of bottoms for all lift including getting out the excavated soil & disposal of surplus soil for all lead and in all types of soft stratas comprising any of the materials such as soil, silt, sand, clay, gravel, moorum of all varieties shingles, pebbles all types of conglomerates, laterite rocks, ordinary rocks, soft rock disintergrated rocks, fissured, shuttered/decomposed rock, weathered rocks and all such other materials as described under appendix A to these specification either in full or in parts as the case may be adopting any method / methods as may be convenient or permitted inclusive of chiseling, wedging etc, blasting prohibited and in all conditions such as dry , moist , foul, saturated submerged etc including providing barricading, danger lighting guarding and as per the direction of the Engineer-in-charge etc.

Supplying at store or site of work including freight, loading, unloading and stacking at site Oriented PVC (PVC-O) ring fit type pipes having orientation class 500, conforming to ISO 16422-2014, and IS 16647-2017, with integral homogeneous spigot having elastomeric sealing ring made of EPDM rubber (one per pipe). PN 16; Size in mm -OD; 160

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. Cast iron double flanged manually operated Sluice Valve generally conforming to IS: 14846 - 2000 having body, door, dome, gland in graded cast iron to IS:210 Gr. FG 200Min., four faces and spindle nut of leaded tin bronze to IS:318 Gr. LTB 2, inside screw of non-rising stainless steel AISI410, spindle, Flanges drilled to IS:1538 Table 4 & 6. Valves tested by closed end method only (350mm and above will be fitted with BTB and Spur gear box. and back seat bush) TYPE P.N. 1.0 (Class A); Nominal Diameter in mm; 150

Supplying cast iron fittings as per IS : 1538 -1993 including sealing rubber gasket (NR) CI Compression glands and coated MS Nuts bolts.; Flanged Socket Tail piece ( Flanged Adaptors); Nominal Dia in mm; 150

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. Tamper proof double acting air valve conforming to AWWA C-512, with tamper proof air vents and SS:304 floats with isolating sluice valve confirming to IS:14846 flanges drilled as per IS:1538, PN 1.0.(Class A); Dia in mm; 80

Supplying at store or at site of work cast iron specials for mechanical and push on flexible joints as per IS:13382 - 1992 including Sealing rubber gaskets (NR), CI compression glands and coated MS Nuts bolts.; Double Socket Branch Flange Tee; Nominal Dia in mm; 150x150x80

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; 160 mm OD

Hoisting laying cast iron sluice valves/butterfly valves/reflux valve of size given below at location in pipeline etc. complete as directed as per IS:2685-1971 CLASS I; Nominal diameter in mm.; 100

Repairs and reinstatement to the road for trenches made by laying water supply pipeline, by removing the refilled material in the trench for the total depth of 0.42m and making good the road surface by providing laying rollling by road roller compacting for laterite soling 30cm thick, two layer of full grout of 50mm thick each, tack coat and open graded premix carpet of 20mm thickness as per specifications mentioned in item nos 14086, 14093, 14051 & 14068 of road GSR respectively, complete as per the direction of the engineer incharge.; District Road, State highway, National highway and roads of similar standards

Jointing of rigid / SEL FIT PVC pipes by cleaning the pipe with solvent cement including the cost of solvent cement and hydraulic testing of joints etc. complete as per IS:7634-1975 Part 3, including hydraulic testing of joints as directed by the Engineer in-charge.; Outer Diameter in mm; 160