Extension of 90mm PVC pipeline from Main road to Village Zanvodem in Sanguem Constituency.

Earth work in excavation by mechanical means (hydraulic excavator)/manual means in foundation pipeline trenches, drain not exceeding 1.5m in width 10 sq.m on plan including dressing of sides ramming of bottoms for all lead and lift including setting out the excavated soil & disposal of surplus soil with all lead including providing barricading danger lighting guarding as directed by departmental officer in all types strata comprising any of the materials such as soil, silt sand clay gravel moorum of all conglomerated laterite rock, soft rock fissured shattered decomposed rock or weathered rock 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 approved method of methods as may be convenient or permitted inclusive of chiselling, wedging etc, blasting probhibited in all conglomerates as directed by the Engineer-incharge etc, complete.

Supplying at store or site of work Rigid PVC (SEL FIT) pipes for public water supply including Railway freight carting loading and unloading stacking transit insurance etc. complete Conforming to IS: 4985-2000 and bearing ISI mark Class 6 kg/cm2

90 mm dia

Supply of rigid PVC fittings conforming to IS: 7834-1975 designed for precision and accuracy so as to join PVC pipes and other specials including railway freight carting loading and unloading and stacking etc. complete.

Elbow PN 10 (10kg/cm2)

90 mm dia

Tee PN 10 (10kg/cm2)

90 mm dia

Coupler (Plain) PN 6 (6 kg/cm2)

90 mm dia

Service Saddle

Supplying at store or site of work including railway freight carting loading unloading stacking etc. C. I. Sluice valve conforming to IS : 14846-2000 and bearing ISI mark double flanged with cap. TYPE P.N. 1.0 (Class B )

80 mm dia

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C.I. Reflux valve conforming to IS:5312 part-I. Valve double flanged ends without bypass arrangements and drilled to IS:1538 part IV & VI bearing ISI Certificate mark TYPE P.N. 1.0 (Class B)

80 mm dia

Supplying at store or site of work including railway freight, carting, loading and unloading, stacking, transit insurance etc., cast iron detachable joints conforming to IS: 8794-1978 suitable for AC pressure pipes including cost of rubber rings, nuts, bolts etc. Class 15.

80 mm dia

Making C.I Detachable joints to P.V.C. pressure pipes of 6 kgs / sq.cm and C.I Plain ended specials with collar rubber rings nut and bolts etc. complete including testing of joints excluding cost of joints

90 mm dia

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C. I. single large orifice air valve(fig S2confirming to IS 14848/2000 with suitable connections as directed by Engineer -In- Charge for working pressure of 10kg/sq.cm. (Class B)

25 mm dia

Fixing C.I. Single large orifice air valve of similar make with bronze ferrule at inlet screwed suitable to working pressure of 15kg/sq. cm for 12 mm to 20mm and 10kg/sq. cm for 25mm to 50mm, complete, as directed by the Engineer in-charge, of following sizes.

25 mm dia

Supplying cast iron fittings as per IS : 1538 -1993 including sealing rubber gasket (NR) CI Compression glands and coated MS Nuts bolts.

Mechanical Compression Collar Coupling

80 mm dia

Flanged Socket Tail piece ( Flanged Adaptors)

80 mm dia

Making joints to D.I/ C.I pipes with mechanical joints by nut bolts rubber rings that are provided with the joints, forpushon tight joints including the cost of work force, tools, hydraulic testing of joints, etc. complete as per the direction of the engineer in-charge.

Double socketed specials such as bends, collar couplings,etc.

80 mm dia

Making joints to D.I/ C.I pipes with mechanical joints by nut bolts rubber rings that are provided with the joints, forpushon tight joints, and including the cost of rubber ring, nut bolts, for flanged joint, including the cost of work force, tools, hydraulic testing of joints,etc. complete as per the direction of the engineer in-charge.

Flanged Socket

80 mm dia

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

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.

90 mm dia

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

80 mm dia

Construction of masonry chamber 60x60x75cm inside in 40kg/sq. cm ,brickwork complete with 23 cms wall thickness and in cement mortar 1:4( 1 cement : 4coarse sand) for sluice valves 50 to 80mm with necessary excavation, foundation concrete 1:5:10 ( 1 cement : 5 coarse sand: 10 graded stone ballast 40 mm nominal size) and inside plastered with CM 1:3 ( 1 cement : 3 coarse sand) finished with floating coat of neat cement complete and chamber cover as specified below etc. all complete as per standard drawing . (rate is inclusive of rate earthwork excavation, cost of surface cover and all other materials and labour and as per details below)

Without surface box and with 120 mm thick R.C.C. slab cover in cement concrete 1:2:4 ( 1 cement: 2 coarse sand : 4 graded stone ballast 20 mm nominal size)

Refilling the pipeline/foundation trenches plinth sides foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge.