Sewage And Infrastructure Development Corporation Of Goa Limited Tender

Earthwork in excavation by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sq.m on plan) including disposal of excavated earth lead upto 50 m and lift upto 1.5m disposed earth to be leveled and neatly dressed including providing barricading, danger lighting guarding as directed in : All Kinds of Soil

between 0 to 1.5 mt

between 1.5 to 3.0 mt

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 serviciable 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 incharge. a) By Manual means. 1) Rural Roads

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

between 0 to 1.5 mt

between 1.5 to 3.0 mt

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

a) Depth not exceeding 1.5 m

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.

200 mm 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.

b) 150mmdia S W Pipes

c) 200mm 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. A) Supply 500mm dia D.I. heavy duty class C-250 circular cover with square frame weighing not less than 65 kgs.

i) 1200mm dia x upto 1.50 mm deep

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

a) 1.20 m dia manhole

Construction of manhole rectangular in shape including cement concrete 1:3:6 (1 cement:3 coarse sand:6 graded stone aggregate 20mm nominal size) foundation thickness of concrete 20cms and offset 10cms on both sides and first class brick work with bricks class designation 100kg/sq.cm (wire cut bricks) cement mortar 1:3 (1 cement : 3 coarse sand) 23cms 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 20x 20x10cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 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 complete as per standard design. Inside size 0.90 x 0.60m and 1.00m deep ( with medium duty DI manhole cover & frame of size 0.90x 0.60m weighing 105 kgs including fixing with cement concrete 1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size and applying the frame & cover with coal tar.)

Extra/Additional depth of above square/ rectangular manholes at above item no.infractions with 100kg/sq.cm(wire cut bricks) brickwork in cement mortar 1:3 (1cement:3coarse sand) 23cm thick including providing and fixing CI footrests not weighing less than 5.30kgs incl. fixing in manholes @ 30cmc/c staggered in 20x20x10cm cement concrete blocks 1:3:6(1cement:3coarse sand :6graded stone aggregate 20mm nominal size) 12mm thick plaster inside and outside with cement mortar 1:3 (1cement :3coarse sand)including adding water proofing compound of approved. 0.90 x 0.60m Manholes.

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.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 0.40m 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 incharge.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 incharge. a) Rural road

Carriage of material by tipper truck including loading, unloading & stacking - up to 05 km. A)Lime, building rubbish manure sludge ,moorum excavated rock. ii) Earth- up to 05 km