Providing and linking underground sewage connections for Government servant quarters olandai village mudaliarpet Puducherry

Amount

Earthwork in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed , within a lead of 50m - all kinds of soil

Earthwork in excavation of foundation of structure as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remainging earth locally for road work - by mechanical means - depth upto 3m (Ordinary soil)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40mm nominal size)

Centring and shuttering including strutting propping etc. and removal of form work for - foundations, footings, bases for columns

Brick work with common burnt country bricks of class designation 3.5 in foundation and plinth in - cement mortar 1:4 (1 cement : 4 coarse sand) The rate is inclusive of GST and all other taxes applicable.

Cement concrete 1:3:6 mix with stone aggregates 20mm nominal size mechanically mixed and vibrated in foundation upto a depth of 1.5 metres below ground level and 1.5 metres ground/bed level.

Cement pointing 1:2 deep variety (cut or weather) on brick and tile work.

Cement plaster 12mm thick in cement mortar 1:3

Cement concrete pavement with 1:2:4 ( 1 cement : 2 coarse sand: 4 graded stone aggregate 20 mm nominal size) including finishing complete

Providing and fixing on wall face unplasticised rigid PVC rain water pipes conforming to IS: 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10mm gap for thermal expansion, (i) Single socketed pipes - 75mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion -Coupler - 75mm

Providing and fixing on wall face unplasticised - PVC moulded fittings / accessories for unplasticised rigid PVC rain water pipes conforming to IS:13592 Type A, including jointing with seal ring conforming to IS: 5382, leaving 10mm gap for thermal expansion - bend 87.5 degree - 75mm bend

Providing and fixing unplasticised - PVC pipe clips of approved design to unplasticised PVC rain water pipes by means of 50x50x50mm hard wood plugs , screwed with M.S. screws of required length, including cutting brickwork and fixing in cement mortar 1:4 ( 1 cement : 4 coarse sand) and making good the wall etc., complete - 75mm

15 mm cement plaster on rough side of single or halfbrick wall finished with a floating coat of neat cement of mix - 1:4 (1 cement : 4 fine sand)

Demolishing cement concrete manually / by mechanical means including disposal of materials within 50 metres lead-nominal conrete 1:4:8 as leaner mix( including equivalent design mix)

Demolishing R.C.C work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead

Demolishing brick work manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead - in cement mortar

Supply of Quarry rubbish including stacking to department gauge for premeasurement and spreading required thickness

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement and making necessary channels for the drain etc. complete. - for pipes 100 to 230 mm diameter.

Cutting open B.T. Road or macadam road for laying water main / sewer lines and stacking the usable materials on road side for reuse in road works.

Earth work excavation above water level and depositing on bank in sandy silt or other soil, wet sand or silt, light black cotton soil or clay, sandy loam and ordinary soil for I.C's manhole, well, infiltration, suction well including driving shoring materials etc., for excavation purpose and removing the shoring materials and refilling the trenches with excavated earth complying with standard specifications etc., complete.For first depth of 2 metres (using open timbering)

Extra/rebate for every additional/reduction in depth of 0.10m or part thereof in 23cm thick wall for the intercepting chamber of size 600x850x1100mm deep

Construction of circular manholes in brick masonry with country bricks conforming to IS 12894-2002 of class designation 100 in circular manholes. Providing and laying 200mm thick of cement concrete 1:4:8 (one cement, four coarse sand and eight hard broken granite stone aggregate of 40mm nominal size), side walls with country bricks in cement mortar 1:4 (one cement and four sand) as show in drawings. Cement plastering with inside and outside walls in CM 1:3 (one cement and three fine sand) with 20mm thick using Sulphur Resitants Portland Cement (SRPC). Providing, benching and channeling with CC 1:1 1/2 :3 (one cement, one and half sand and three hard broken granite stone aggregate of 20mm nominal size), finishing bottom 20mm thick plaster in CM 1:3 (one cement and three fine sand) with neat cement using SRPC cement, providing fixing of 560 mm dia Heavy duty SFRC covers with frame made as per IS 12592 - 2002 (I & ii) in accordance with "CPHEEO Manual on Sewerage & Sewage treatment and relevant IS codes". Fixing of C.I/P.V.C steps as shown in drawings, but excluding its cost which will be paid separately. The cost also includes the cost of curing and testing of the Manholes for its water tightness. A drop in water more than 5 cm in 24 hours shall not be permitted. The rate including cost of circular SFRC cover and frame 560mm dia, but excluding the cost of earthwork excavation 1200mm dia and 1000mm deep

Extra/ rebate for every additional/reduction in depth of 0.1m in 23cm thick wall or part there of over the manhole size for circular manhole 1200mm dia and 1000mm deep.

Construction of intercepting chamber of the size 600x850x1100 deep with R.C.C top slab of 100mm thick in R.C.C 1:1.5:3 ( One cement one and half sand and three HBG stone aggregate of 20mm nominal size) as shown in drawings.Foundation in PCC 1:4:8 mix (one cement 4 sand and 8 HBG stone aggregate of 40 nominal size) side wall of 23 cm thick in brick, inside and outside plastering with 20mm thick in CM 1:3 (one cement and three sand) and making channel for house service connection in cement concrete 1:1.5:3 (one cement one and half sand and 3 HBG stone aggregate of 20mm nominal size) rendered with CM 1:3 (one cement and three sand) 20mm thick complete. Conveying and fixing of rectangular RCC intercepting chamber cover with frame of heavy duty of size 450 x 600mm in cement concrete 1:1.5:3 (one cement one and half sand and 3 HBG stone aggregate of 20mm nominal size). The cost to include curing and testing of the intercepting chamber for its water tightness. A drop in water more than 50 mm in 24 hours shall not be permitted. The rate includes cost of rectangular RCC intercepting chamber cover with frame of heavy duty of size 450 x 600mm and centring, shuttering and reinforcement with TMT (TISCON/VIZAG/ISSCO/SAIL), bars but excluding cost of earth work excavation

Providing laying and jointing HDPE pipe PE 100xPN 6 conforming to IS specification and ISI marked including transportation to the site, lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment, including jointing and excluding specials such as bends, tees, threaded pieces, couplers, reducer, endcaps etc., complete as per IS and CPWD specification - 180mm dia

Fixing of 150mm wide PVC encapsulasted steps in the manholes with 200 X 200 X 100 mm CC block in cement concrete 1:1:5:3 (One cement, one and half sand and three hard broken granite stone aggregate of 20 mm nominal size) all as shown in drawings.

Removing and refixing existing precast RCC drain cover slabs of varying thickness on top of 'U' drain including laying in position to the required level and alignment etc., complete as directed by the Engineer-in-charge.

Removal of sludge form the septic tank and disposal of the same through the sewage tanker in safe location with an averge lead of 10 Km.The rate to include the cost of labour charge for removing and relaying of cover slab and over the septic tank, mixing of Ferro Sulphate in to the septic tank for through mechanical device and disposal of the same including hire charge for sewage tanker etc., complete as directed by the Engineer-in-charge.

Disposal of debries/rubbish etc, within 3km radius form the site. The rate includes loading and unloading, transportation charges etc, completed.

E Gengadaran