Sewerage scheme for the left out areas of Zone III in Orleanpet Nellithope and Kathirkamam constituencies, Puducherry II call

Amount

I. CONSTRUCTION OF SEWER APPURTENANCES 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.

Cutting open concrete road for laying water main/sewer lines & 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)

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 close timbering).

Earth work excavation blow 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 close timbering).

Earth work excavation blow 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 second depth of 2 metres (using close timbering).

Sinking well of 1.25m to 2.0m internal dia below water level including all incidental charges, such as bailing and pumping of water, using special tools and plants etc.,complete in ordinary soil,loose soil,sandy soil and clay soil. - For first depth of 2 metres

Sinking well of 1.25m to 2.0m internal dia below water level including all incidental charges, such as bailing and pumping of water, using special tools and plants etc.,complete in ordinary soil,loose soil,sandy soil and clay soil. - For second depth of 2 metres

Sinking well of 1.25m to 2.0m internal dia below water level including all incidental charges, such as bailing and pumping of water, using special tools and plants etc.,complete in ordinary soil,loose soil,sandy soil and clay soil. - For third depth of 2 metres

Sinking well of 1.25m to 2.0m internal dia below water level including all incidental charges, such as bailing and pumping of water, using special tools and plants etc.,complete in ordinary soil,loose soil,sandy soil and clay soil. - For fourth depth of 2 metres

Construction of circular manholes in brick masonry with Country bricks of class designation 35 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 shown in drawings. Cement plastering with inside and outside walls in CM 1:3 (one cement and three fine sand) with 20mm thick using Sulphur Resistants Portland Cement (SRPC), providing, benching and channeling with CC 1:11/2:3 (one cement, one and half sand and three hard broken granite stone aggregate of 20mm nominal size), finishing bottom 20mm thick cement plaster in C.M. 1:3 (one cement and three fine sand) with neat cement using SRPC cement, providing and fixing of 560mm dia Heavy Duty D.I. covers with frame made in accordance with "CPHEEO Manual on Sewerage & Sewage treatment and relevant IS Codes". Fixing of C.I./PVC

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 D.I. 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 0.10 m in 23 cm thick wall or part thereof over the following manhole size for circular manhole. - Country Bricks - 1200mm dia and 1000mm deep

Construction of circular manholes in brick masonry with Country bricks of class designation 35 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 shown in drawings. Cement plastering with inside and outside walls in CM 1:3 (one cement and three fine sand) with 20mm thick using Sulphur Resistants Portland Cement (SRPC), providing, benching and channeling with CC 1:11/2:3 (one cement, one and half sand and three hard broken granite stone aggregate of 20mm nominal size), finishing bottom 20mm thick cement plaster in C.M. 1:3 (one

cement and three fine sand) with neat cement using SRPC cement, providing and fixing of 560mm dia Heavy Duty SFRC covers with frame made in accordance with "CPHEEO Manual on Sewerage & Sewage treatment and relevant IS Codes". Fixing of C.I./PVC 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 1600mm deep

Extra / rebate for every additional / reduction in depth of 0.10 m in 34 cm thick wall or part thereof over the following manhole size for circular manhole. - Country Bricks - 1200mm dia and 1600mm deep.

Construction of circular manholes in brick masonry with Country bricks of class designation 35 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 shown in drawings. Cement plastering with inside and outside walls in CM 1:3 (one cement and three fine sand) with 20mm thick using Sulphur Resistants Portland Cement (SRPC), providing, benching and channeling with CC 1:11/2:3 (one cement, one and half sand and three hard broken granite stone aggregate of 20mm nominal size), finishing bottom 20mm thick cement plaster in C.M. 1:3 (one cement and three fine sand) with neat cement using SRPC cement, providing and fixing of 560mm dia Heavy Duty SFRC covers with frame made in accordance with "CPHEEO Manual on Sewerage & Sewage treatment and relevant IS Codes". Fixing of C.I./PVC

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 2100mm deep

Extra / rebate for every additional / reduction in depth of 0.10 m in 34 cm thick wall or part thereof over the following manhole size for circular manhole. - Country Bricks - 1200mm dia and 2100mm deep

Construction of circular manhole of 1.40m internal diameter and to the depth detailed1:1.5:3 (one cement ,one and half sand and three HBG stone aggregate of 20 mm nominal size) with walls as detailed below. Providing relieving arch over the sewer pipe wherever it passes through the walls of the manholes, fixing of C.I. Rungs, excluding cost of CI rungs, fixing of D.I. manhole cover and frame (NECO/ACL/AREACO) of heavy duty of size 560 mm diameter and weight not less than 80 kg in cement concrete 1:1.5:3 (one cement ,one and half sand and three HBG stone aggregate of 20 mm nominal size) all shown in drawing, the rate includes cost of manhole cover with frame, centering, shuttering and reinforcement with TMT(TISCON / VIZAG / IISCO / SAIL) bars excluding the cost of earth work excavation. Plastering both inside and outside for 20 mm thick with CM 1:3 (one cement and three sand) and making channels in cement concrete 1:1.5:3 (one cement ,one and half sand and three HBG stone aggregate of 20 mm nominal size)

all as shown in drawing , rendered with cement mortar 1:3 (one cement and three sand) for 20 mm thick etc., complete including curing and testing the manhole for water tightness. A drop in water level more than 50 mm in 24 hours will not be permitted - For Manhole 2.5m deep with wall of 23cm thick upto 1.5m and 34cm thick for depth greater than 1.5m of brick masonry using best available country bricks in cement mortar 1:4 (1 cement & 4 sand) below with R.C.C. kerb in 1:1.5:3 (one cement ,one and half sand and three HBG stone aggregate of 20 mm nominal size) with a overall size of 500 x 340 mm and shaped at bottom as shown in drawing to receive M.S. angle of size 100 x 100 x 10 mm as cutting edge, with reinforcement not less than 70 kg as indicated in drawing, and with vertical rods of 12 mm diameter at 60cm c/c, 120 cm long to bind the steining wall and kerb, bottom plugging to a depth of 0.50 m with plain cement concrete

Extra/rebate for every additional/reduction in depth of 0.10m or part thereof in 34cm thick wall for the circular manhole of 1.40m internal dia. and 2.5m deep.

Construction of circular manhole of 1.40m internal diameter and to the depth detailed below with R.C.C. kerb in 1:1.5:3 (one cement ,one and half sand and three HBG stone aggregate of 20 mm nominal size) with a overall size of 500 x 340 mm and shaped at bottom as shown in drawing to receive M.S. angle of size 100 x 100 x 10 mm as cutting edge, with reinforcement not less than 70 kg as indicated in drawing, and with vertical rods of 12 mm diameter at 60 cm c/c, 120 cm long to bind the steining wall and kerb, bottom plugging to a depth of 0.50 m with plain cement concrete1:1.5:3 (one cement ,one and half sand and three HBG stone aggregate of 20 mm nominal size) with walls as detailed below. Providing relieving arch over the sewer pipe wherever it passes through the walls of the manholes, fixing of C.I. Rungs,excluding cost of CI rungs, fixing of D.I. manhole cover and

frame (NECO/ACL/AREACO) of heavy duty of size 560 mm diameter and weight not less than 80 kg in cement concrete 1:1.5:3 (one cement ,one and half sand and three HBG stone aggregate of 20 mm nominal size) all shown in drawing, the rate includes cost of manhole cover with frame, centering, shuttering and reinforcement with TMT(TISCON / VIZAG / IISCO / SAIL) bars excluding the cost of earth work excavation. Plastering both inside and outside for 20 mm thick with CM 1:3 (one cement and three sand) and making channels in cement concrete 1:1.5:3 (one cement ,one and half sand and three HBG stone aggregate of 20 mm nominal size) all as shown in drawing , rendered with cement mortar 1:3 (one cement and three sand) for 20 mm thick etc., complete including curing and testing the manhole for water tightness. A drop in water level more than 50 mm in 24 hours will not be permitted - For manhole 5m deep with wall 23 cm thick upto 1.5m and 34 cm thick for depth from 1.5m and upto 2.8m and 45cm thick for depth greater than 2.8m of brick masonry using best available country bricks in cement mortar 1:4 (1 cement and 4 sand).

Extra/rebate for every additional/reduction in depth of 0.10m or part thereof in 34cm thick wall for the circular manhole of 1.40m internal dia. And 5.0m deep.

Construction of intercepting chamber of the size 600 x 850 x 1100 mm 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 20 mm nominal size) as shown in drawings, foundation in PCC 1:4:8 mix (one cement, four sand and eight hard broken granite stone aggregate of 40 mm nominal size), side wall of 23 cm thick in brick, inside and outside plastering with 20 mm 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 three HBG stone aggregate of 20 mm nominal size) rendered with CM 1:3 (one cement and three sand) 20mm thick complete. Conveying and fixing of rectangular ductile iron manhole cover and frame (NECO/ACL/AREACO) of medium duty size 450 x 600 mm and weight not less than 70 kg in cement concrete 1:1.5:3 (one cement ,one and half sand and three HBG stone aggregate of 20 mm nominal size).The cost includes 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 D.I cover with frame, centering, shuttering and reinforcement with TMT(TISCON / VIZAG / IISCO / SAIL) bars,but excluding the cost of earth work excavation.

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

Making C.I. vent shaft using 150 mm diameter C.I class LA conforming to IS 1536 with C.I cowl / wire guard balloon at top, having an over all length of 5.50 m long and fixing from bottom and overflow pipe size of 150mm dia,extending to a depth of 1.25 m below ground level, with C.I. bend of 150 mm dia medium class conforming to IS 1538 at bottom and resting over the CC block of size 650 x 650 x 250 mm in 1:4:8 mix (one cement, four sand and eight hard broken granite stone aggregate of 40 mm nominal size) encasing all round the pipe with CC 1:4:8 mix (one cement, four sand and eight hard broken granite stone aggregate of 40 mm nominal size) to form a block of 650 x 650 x 1000 mm and top is finishing with cement concrete 1:1.5:3 (one cement ,one and half sand and three HBG stone aggregate of 20 mm nominal size) for 250 mm thick including fixing of M.S. foundation bolts and nuts of 20 mm diameter and 600 mm long with split up end and bottom to receive the C.I. pedestal of 175 mm internal diameter and 600 mm height and weight not less than 150kg to join above and below ground level.The rate includes the cost of C.I. specials and C.I. Pedestal etc.,complete

Fixing of 150 mm wide PVC encapsulated 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.

II. LAYING OF SEWER LINE 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 infiltration, gallery siphon or connecting pipe line including driving shoring materials as mentioned below. Removing the shoring materials and refilling with excavated earth complying with standard specification etc., complete. - First depth of 2m (using open timbering)

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 infiltration, gallery siphon or connecting pipe line including driving shoring materials as mentioned below. Removing the shoring materials and refilling with excavated earth complying with standard specification etc., complete. - First depth of 2m (using close timbering)

Earth work excavation below 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.Cs, manhole, well, infiltration well, suction well,siphon or connecting pipe line including driving shoring materials etc,. for excavation purpose and removing the shoring materials and pumping out water caused by spring or tidal or river seepage using diesel engine and refilling with excavated earth complying with standard specification etc. complete. - For first depth of 2 metre (using close timbering).

Providing, laying and jointing HDPE pipe PE 100 x PN 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

Providing, laying and jointing HDPE pipe PE 100 x PN 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 - 200mm dia

Providing, laying and jointing HDPE pipe PE 100 x PN 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 - 250mm dia

Providing, laying and jointing HDPE pipe PE 100 x PN 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 - 315mm dia

Providing, laying and jointing HDPE pipe PE 100 x PN 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 - 400mm dia

Providing, laying and jointing PVC-U pipes for use in underground drainage and sewerage system conforming (SN8) to IS specification 15328-2003 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 cost of solvent cement, excluding UPVC specials such as bends, tees, threaded pieces, couplers, reducer, endcaps etc., complete all as per IS and CPWD specification. - 110mm dia

Providing and fixing in position PVC-U moulded plain coupler (Finolex/Jain) (SN8) conforming to IS 7834 part II and ISI marked, including labour charges for jointing, jointing materials etc. complete - 110mm dia. - PVC coupler (mould)

Providing and fixing in position UPVC moulded endcap (Finolex/Jain) (0.6 Mpa) conforming to IS 7834 part II and ISI marked,including labour charges for jointing, jointing materials etc,complete - 110mm dia

Providing and laying Ductile Iron socket and spigot pipes of class K7 (Electro steel/Sripipes/Jindal/Electrotherm / Jai Balaji / TATA Metaliks Kubota) conforming to IS specification 8329/2000 and ISI marked suitable for tyton /push on joints in good condition including transportation of D.I.pipe from production centre/company to the site at UT of Puducherry, lowering to the trenches, laying to proper grade and alignment, testing of joints with required testing equipment etc.,complete all as per IS 12288 and CPWD specification. (earth work and jointing of pipes with rubber gasket will be paid separately) -150mm dia.

Jointing the C.I./D.I./HDPE pipes with manhole including dismantling of brick work to the required extent and making good the angular space with brick work in CM 1:3 (one cement and three sand) and encasing with cement concrete 1:1.5:3 (one cement ,one and half sand and three hard broken granite stone aggregate of 20 mm nominal size) etc. complete. - 315-450 mm dia pipe.

Providing wooden (Padak) brackets of size 80 cm X 100 cm, with vertical up right of size 7.5 cm x7.5 cm, 100cm long and bolted with horizontal wooden plank of size 80cm x 15cm with 4cm thickness with 4 nos of 10mm dia MS bolts and nuts, 13cm long for supporting of CI pipes for trunk sewer.

Labour for cutting C.I. pipe with steel saw:- 150mm diameter C.I. pipe.

Providing erecting and commissioning of the special dewatering system arrangements for the purpose of dewatering the heavy ground water infiltration from the trenches of the Trunk Sewer line / collection well. The cost includes hire charges for dewatering system including boreholes alround the trunk manholes / collection well, delivery arrangements for pumped out water into the nearby main drain 65 HP vacuum pump. 65 HP jetting pump required nos. of borewell point of 40mm dia and 5.5m depth. The cost also includes hire charges for ranging from 100 KVA to 150 KVA. Diesel Generator set to supply electricity for the dewatering unit for continuous operation round the clock for dewatering the heavy ground water infiltration. The cost also includes transportation of Diesel Generator set, erection, commissioning cost of Diesel cost of operator for operating the dewatering unit and generator set and watch and ward etc., complete all as directed by the Engineer-in-charge.

Supplying and placing in position HDPE cement bags filled with sand for breach closing / diversion arrangement. The cost includes the cost of empty HDPE bags, labour charges for filling the bags and placing in position, removing the bags from site after completing the work etc., complete.

Supply of Quary rubbish including stacking to department gauge for premeasurement and spreading required thickness as directed by the Engineer-in-charge

III. RECTIFICATION OF ROADS Earth work in excavation over areas (exceeding 30 cm in depth , 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth lead upto 50m and lift upto 1.5m - disposed earth to be levelled and neatly dresses - all kinds of soil

Cleaning the site by removing the slushy soil on both the sides of road and making the road fit for laying WBM and making smooth surface for vehicular traffic including disposing the same within 2 Km lead. 32.60.2 Rectification

Construction of granular sub-base by providing close graded material, spreading in uniform layer with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC and compacting with vibratory roller to achieve the desired density, complete as per clause 401 of MoRTH specification, 4th Revision - by mix in place method - for grading I material.

Providing , laying , spreading and compacting stone aggregates of specific sizes to bound macadam specification including spreading in uniform thickness, hand packing rolling with smooth three wheeled steel roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite Crushabl type such as moorum / gravel for screening and gravel for binding to fill up the interstices of coarse aggregate, watering and compacting to the required density - by manual means - Water bound macadam Gr-I with Gravel Screening. (As per MoRTH specification, 4th revision).

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite Crushable type such as moorum or gravel for screening and gravel for binding to fill up the interstices of coarse aggregate, watering and compacting to the required density - by mechanical means - Water bound macadam Gr-III with moorum or gravel screening. (As per MoRTH specification, 4th Revision)

Cleaning the existing W.B.M. road surface including removing of binding material and other foreign matter with wire brushes and small picks, sweeping with brooms or soft brushes and finally dusting with old gunny bags and/or compressed air to receive bituminous treatment. As per clause no 502.4.2 and 503.3.1 of MOST specification.

Providing and applying tack coat on the prepared surface, heating bitumen in boiler and spraying the bitumen with sprayset fitted on bitumen boiler - on granular base such as WBM and WMM surfaces not bitumen primed. Rate of application 10kg/10sqm.

Providing and applying tack coat on the prepared surface, heating bitumen in boiler and spraying the bitumen with sprayset fitted on bitumen boiler - on granular base such as WBM and WMM surfaces not bitumen primed. Rate of application 5kg/10sqm.

Providing and laying open graded premix carpet of 25mm thick on prepared surface in a single course as wearing course composed of specified size of stone aggregates premix with a bituminous binder in mini hot mix plant 6-10 tonne laying manually and rolling with power roller 8-10 tonne but excluding cost of primer/tack coat. As per clause no 509 of MOST specification.

Providing and applying premixed seal coat type `B' comprising of thin application of fine aggregate premix with bitumen binder in mini hot mix plant, carriage manually of mixed material and laying and rolling with power roller 8 to 10 tonne. As per clause no 513 of MOST specification.

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)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work upto plith level - 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size)

M/S RDG CONSTRUTION