Sewage And Infrastructure Development Corporation Of Goa Limited Tender

i) between 0 to 1.5 mt

ii) between 1.5 to 3.0 mt

Open timbering in trenches including strutting and shoring complete. (face area to be timbered only to be taken)

b) For depth exceeding 1.5m but not exceeding 3.0m

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

Supplying at store or site of work including railway freight, carting, loading, unloading, stacking etc. unplasticised non-pressure PVC pipes for using underground drainage and sewerage system confirming to IS : 15328 - 2003 stifness class SN-8 (8 KN/m2,SDR -34).

160 mm dia

200mm 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

160 mm dia

200mm dia

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.1975 Part 3, including hydraulic testing of joints as directed by the engineer in-charge.

200mm dia

200mm dia

Providing and laying cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 grade granite or basaltic stone 20mm nominal size) including centering shuttering and form work for encasing around S.W. pipes including bed concrete as per standard design in I S:4127.

150 mm dia SW Pipes

200 mm dia SW Pipes

Construction of manhole conical in shape including cement concrete 1:2:4 ( 1 cement:2coarse sand:4 graded stone aggregate 20mm nominal size) foundation thickness of concrete 25cms and offset 15cms on both sides and first class brick work with bricks class designation 100kg/sq.cm(wire cut bricks) in cement mortar 1:3 (1 cement : 3 coarse sand) 35cms thick including providing & fixing CI footrests confirming to IS 5445/69 or revised and whose weight shall not be less than 5.30kgs including fixing in man-hole at 30cm c/c in 20 x 20 x 10cm cement concrete block 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) and 12mm thick plaster inside and outside with cement mortar 1:3 (1 cement : 3 coarse sand) including adding waterproofing compound of approved brand in cement mortar with a floating coat of neat cement and making channel in cement concrete 1:2:4 ( 1 cement :2 coarse sand : 4 graded stone aggregate 20m nominal size) neatly finished including providing and fixing manhole cover and frame in cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) complete as per standard design. Supply 500mm dia D.I. heavy duty class C-250 circular cover with square frame weighing not less than 65 kgs.

i) 0.90m dia, 1.00 m deep

ii) 1.20 m dia, 1.50 m deep

Add extra for conical brick masonry manhole for fractional depth of each one centimetre or part thereof for

a) 0.90m dia manhole

b) 1.20 m dia manhole

Pumping the Sewage from upstream Sewers to down stream to prevent overflow's when Sewer fails to function or when incase of major faults and when the line has to be rectified as directed by Engineer-in-charge, until rectification work is started.

Making connections of drain or sewer line with existing manholes including Breaking and making good the walls, floors with cement concrete 1:2:4 (1 cement :2 coarse sand :4 graded stone as ggrt. 20mm nominal size) 12mm thick cement plaster on both sides with cement plaster on both sides with cement mortar 1:3 (1 cement :3 coarse sand) finished with floating coat of neat cement and making necessary channels for drains etc. complete. a) For pipes 100 to 230 mm dia

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 0.42m 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. a)Rural road

Transportation and Carriage of Material by tipper truck including loading, unloading & stacking Beyond 5 up to 10 km. a) Lime, building rubbish manure, sluidge murrum excavated rock. ii) Earth