Construction of 30000 Litre OHT at Paithur H/O Paithur Panchayat Attur Block at Salem District OMDGF 2025-26

Construction of 30,000 Lit OHT (12.00m Stage) at Paithur H/O Paithur Panchayat

Earth work excavation and depositing on bank with in initial lead of 10 m and initial lift of 2m in hard stiff clay, stiff black cotton soil, hard red earth,earth mixed with small sized boulders and hard Hard stiff clay blcak cotton, hard red earth, shales, murram, etc.SS 20Bgravelly soil as per SS 20B

Collection and supply of sand and filling in to the basement including cost and conveyance to the siteand all labour charges for filling as per standard speecifications

Refilling the basement with excavated earth other than sand complying the Standard specification

Cement concrete 1:4:8 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing,laying and curing etc complete

Reinforced cement concrete 1:1.5:3mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying, and curing etc complete .for 10 cum

1.5m to 4.5m below GL

0 to 1.5m below GL

0 m to 4.5m above GL

4.5m to 7.32m above GL

7.32 m to 10.98 m above GL

10.98 m to 14.64 m above GL

14.64 m to 18.30 m above GL

Supplying and erecting centering shuttering including necessary supports for plane surface in foundation and basement and in all floors for R C C column footing column plinth beam, beams, roof slabs, staircase steps, bed blocks, critical pier etc using mild steel sheets of size 90 x 60 cm and 10 guage stiffened, welded with mild steel angles of size 25mmx25mmx3mm for boarding laid over silver oak (country wood) scantlings of size 10cm x 6.5cm spaced of about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre complete complying with standard specifications and as directed by departmental officers including conveyance of all materials to site and proper centering etc complete.

Plane Surface Below G.L.

G.L. to 3.30m

87.30m to 9.30m AGL

Square columns Below GL and 0 to 3.30m

Curved surface

Supplying and fabrication of steel including cost and conveyance of steel to site and all labour charges for straightening, cutting to length,bending to shape and tying in position and forming grills for all R.C.C works

Painting two coats with approved Exterior Emulsion over one coat of Priming coat of Cement Paint over cement plastered wall surface, ceiling and other new surface including cleaning, preparing the surface, curing, scaffolding charges etc., complete complying with standard specifications and as directed by the departmental officers. (S.I No. 359 B) ( NEW SURFACE)

Providing Manhole cover of size 0.60mx0.60m in RCC 1:1.5:3 with sutable reinforcement

Providing and fixing of RCC Outer access Ladder

Providing and fixing of RCC inner access ladder in RCC 1:11/2 :3 (one cement,one and half sand and three aggregate) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centring,shuttering charges, mixing concrete,curing etc. to required height and clear width of 45 cm consisting of 2 nos. of vertical post of 10 cm x 15 cm and step slab of 25mm x 25mm etc.complete and as directed by TWAD Board Officers.

Providing 110mm PVC vent cowl arrangements mosquito proof nylon net and as directed by TWAD Board officers

Supply and fixing of cut stone of size 0.30m x 0.30m x 0.15m in CM 1;3(one cement and three sand) below inlet pipe for Service Reservoir as directed by TWAD Board Officers.

65 mm GI Pipe

50 mm GI Pipe

65 mm GI Coupling

65mm GI Elbow

50mm GI Elbow

50mm GI Couping

50mm x 65 GI Reducer

50 mm GM Gatevalve

65 mm GMGatevalve

Earth work excavation for foundation

Supply and Delivery of 63 mm dia od PVC -4ksc pipes for delivery line

Labour Charges for PVC Pipe connection for Delivery Line

Refilling the excavated earth as per the standard specifications

Labour Charges for GI Pipe connection to the OHT for inlet,outlet,over

Earth work excavation and deposting on bank with an initial lead of 10m & lift of 2m for pipe laying works with standard trench width and depth etc., complete

Cement concrete 1:4:8 mix using 40mm ISS metal inculding cost and conveyance of all materisl to site and labour charges for mixingfor mixing, laying and curing etc complete

Brick work in cement mortar 1:5 mix using country bricks 83/4"x41/4"x23/4" and conbeyance of all materials to site and all labour charges etc complete

Filling the soak pit with 225 mm boulders as per specification

Filling the soak pit with 40mm metal as per specification

Filling the soak pit with 20mm metal as per specification

Plastering with cement mortar 1:5 mix to 12mm thick including cost and conveyance of all materials to site and all labour charges etc

Painting two coats with approved cement paint over one priming coat of white cement over cement plastered wall surface and ceiling including cleaning preparing the surface and curing etc., complete

Supplying and fixing P.V.C down fall pipe of 110m dia with necessary shoes, bends,& clamps etc.,

Supplying and fixing of RCC rings 750mm dia for Leach pit including all charges etc complete

Casting and fixing of RCC precast slab of 75mm thick 1:2:4 using 20mm HBG jelly

Supplying and fixing of cover slab of 750mm dia including all charges etc complete

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

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