Public Works Department Tender

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

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 50mmcomplete as directed by the engineer in- charge of following sizes.; Nominal diamter in mm.;25

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. Rural road

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.;Outer Dia in mm;90

Construction of masonry chamber 60x60x75cm inside in laterite masonary in neatly dressed stones complete with 23 cms wall thickness and in cement mortar 1:4 ( 1 cement : 4 coarse 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); 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)

Earthwork in excavation by manual means in foundation pipeline trenches drain (not exceeding 1.5m in width or 10 sq. m. on plan) including dressing of sides and ramming of bottoms lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50m.; Ordinary soil

Supply at store or site of work including railway freight carting loading unloading stacking etc. Ductile Iron pipe specials including rubber ring fitting push on joints conforming to IS : 9523 with inside cement mortar lining & externally coated with zinc with finishing layer of bituminious paint complete;Flanged Socket;Nominal Diameter in mm;80

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.

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

Making joints to D.I/ C.I pipes with mechanical joints by nut bolts rubber rings that are provided with the jointsfor pushon 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; 900x400

Supplying at store or site of work including railway freight carting loading unloading stacking etc. C. I. single large orifice air valve( fig S2)confirming to IS 14848/2000 with suitable connections as directed by Engineer -In- Charge for working pressure of 16kg/sq.cm. (Class A);Supplying at store or site of work including railway freight carting loading unloading stacking etc. cast iron single orifice type Air( fig S2confirming to IS 14848/2000 with suitable connections as directed by Engineer -In- Charge for working pressure of 10Kg/sq cm (TYPEP.N. 1.0) (Class A);Dia in mm;25

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 AISI 410 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; 80

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;S&S flanged/plain ended specials

Stone masonry work in cement mortar 1:3 in foundation complete as drawing and Technical Specification; Random Rubble Masonry

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

PCC 1:3:6 in Foundation (Plain cement concrete 1:3: 6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed placed in foundation and compacted by vibration including curing for 14 days.)