Sewage And Infrastructure Development Corporation Of Goa Limited Tender

Construction of manhole rectangular (On Road) 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/cm2 in 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 20x15cm 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 0.90x0.60m and 1.00m deep (with precast RCC slab covers of concrete grade M25 30T capacity) 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,including Cutting the bituminous road for laying of pipeline in trenches, including 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 5km. including supply and fixing of sewer trap inside chamber and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5km, reinstating the road surafce by rubble packing with hard laterite stone & providing and laying in position cement concrete 1:2:4 (1 cement : 2 coarse sand: 4 graded granitic or basaltic stone aggregate 40mm nominal size) and disposal of surplus earth as directed by the Engineer in charge including rubble packing etc complete. For Chamber on road: Inside size 0.90 x 0.60m and 1.00m deep

Demolishing cement concrete 1:3:6 or richer mix including disposal of material within 50 m lead.

Construction of manhole conical in shape including cement conerete 1:2:4 (1 cement: 2coarse sand:4graded stone aggregate 20m nominal size) foundation thickness of concrete 25cms and offset 15cms on both sides and first class brick works with bricks class designation 100kg/cm2 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 (1cement: 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 with Supply 500mm dia D.I. heavy duty class C-250 circular cover with square frame weighing not less than 65 kgs 1.2m dia 2.0 m deep including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 5km.and Refilling the pipeline trenches with available excavated earth in layers not exceeding 20cm depth consolidating each layer ramming and watering lead upto 5km and all lifts and disposal of surplus earth as directed by the Engineer in charge. 1.2m dia and 2.0m deep