Public Works Department Tender

Elbow PN 10 (10kg/cm2) 90 Outer Dia in mm

Coupler (Plain) PN 6 (6 kg/cm2) 90 Dia in mm

Tee PN 6 (6 kg/cm2) 90 Dia in mm

Service Saddle 90x20 Dia in mm

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)

80 Nominal Diameter in mm

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 Nominal Dia in mm

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 Dia in mm

Earthwork in excavation by mechanical means (hydraulic excavation) / manual means in foundation pipeline trenches in all types of soft stratas comprising any of the materials such as soil, silt, sand, clay, gravel, moorum of all varietie, shingles, pebbles all types of conglomerates, laterite rocks, ordinary rocks, soft rock disintergrated rocks, fissured, shattered/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. in all conditions such as dry, moist, foul, saturated submerged etc. and as directed by the Engineer -in-charge etc. all complete in foundation pipeline trenches/ drains (not exceeding 1.5m in width 10 sq. m. on plan) including dressing of sides, ramming of bottoms including getting out the excavated soil & disposal of surplus excavated soil for all lead & all lift including barricading, danger lighting guarding as per direction of Engineer-in-charge

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

90 mm OD

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 Outer Diameter in mm

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.

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 Nominal diameter in mm.

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 Nominal diameter in mm

Construction of masonry chamber 90 x 90 x100 cm inside in 40kg/sq. cm laterite masonry in neatly dressed stones complete with 23 cms wall thickness and in cement mortar 1:4 ( 1 cement : 4 coarse sand) for sluice valve of sizes 100 mm, 120 mm 150mm and 200mm dia 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)

with C.I. Surface box 100mm top dia 160mm bottom dia and 160mm deep of wt. 15kg inside with chain lid in 120 mm thick RCC slab cover in cement concrete 1:2:4 ( 1 cement: 2 coarse sand : 4 graded stone ballast 20 mm nominal size)

Cutting the bituminous road for laying the pipeline in trenches for a width of 0.6m including labour, tools, etc. and disposing the excavated excess material from the trench to a distance of 1000 metres, including making level the trench surface by utilising the serviceable material to the level of the top surface of road, by compacting, watering ramming with rolling with road roller after completion of laying of pipe and refilling the trenches etc. complete as per the direction of engineer in charge.

District Road, State highways, National highway and roads of similar standards

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