Public Works Department Tender

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

Providing and fixing brass full way valve (heavy) duty with wheel of approved quality : 15 mm nominal bore

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 100

Construction of masonry chamber60x60x75cminside 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)

Fixing C.I. Double orifice / Kinetic type air valve of following sizes with bronze ferrule at inlet screwed on isolating valve small orifice elastic ball resting valve small orifice elastic ball resting on small bronze orifice nipple and large orifice vulcanite ball resting on moulded seat ring inlet faced and drilled to BST "D" suitable to working pressure of 10 kg/sq. cm. Nominal diameter in mm. 80

S&S flanged/plain ended specials

Jointing of RING FIT PVC pipes by cleaning the pipes and hydraulic testing of joints etc. complete, as directed by the engineer in-charge Outer Diameter in mm 110

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 90 degree Bends. Nominal Dia in mm 100

Conveying carefully from stack at site, 250m from both sides rolling and lowering in trenches, laying and jointing true to line and level and perfect linking of joints Cast iron or Ductile iron or A.C. or S & S or flanged & PVC pipes.

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

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

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 0.40m and making good the road surface by providing laying rolling by road roller compacting for laterite soling 30cm thick, two layer of full grout of 50mm thick each as per specifications mentioned in item no 14086 of road GSR, complete as per the direction of the engineer in charge. a Rural road

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

All Socket branch flange Tee Nominal Diameter in mm 100x100

Making connection to individual 15mm /20mm/25mm G.I/ OD Blue PVC pipeline with existing distribution line of any diameter with saddle piece / and necessary pipe and specials required suitable to the distribution line with road cutting trenching refilling the same including the cost of labour and accessories etc. complete. as per the direction of Engineer -in- charge.

Flanged Socket Tail piece ( Flanged Adaptors) Nominal Dia in mm 100

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. C. I. Double orifice type air valveas per fig DS1 withinbuilt isolating valve smallwith 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; andLTB 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 80

Supplying of ASTM UPVC pipe conforming to ASTM 1785 with ISO 14001 etc. complete. SCH-40 (blue)/(white) Dia in mm 20

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 110

Earth work in excavation by mechanical means (hydraulic excavator)/ manual means in foundation pipeline trenches, drains not exceeding 1.5m 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 varities , shingles , pebbles all types of conglomerates , laterite rocks, ordinary rocks ,soft rock disintegrated 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, blasting probhibited 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

Double socket 22.5 degree Bends. Nominal Dia in mm 100

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 Nominal Dia in mm 100

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. All Socket branch flange Tee Nominal Diameter in mm 100x80

Construction of masonry chamber 90x90x100 cm inside in 40kg/sq. cm brickwork 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 150 mm 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) 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)

Double Socket Branch Flange Tee Nominal Dia in mm 100x100x100

.Cutting the bituminous road for laying the pipeline in trenches 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. By Mechanical Means: Rural Roads

Double socket 45 degree Bends. Nominal Dia in mm 100