Construction of 20000 Litre OHT at Ninarpalayam H/O Paithur Panchayat Attur Block at Salem District MLACDs 2025-26

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

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

Plane Surface Below G.L.

Square columns Below GL and 0 to 3.30m

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 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

Supply and delivery of 63mm OD 4 KSC PVC Pipe as per ISI Marked Standarad specification.

Lowering PVC pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

Refilling the excavated earth as per the standard specifications

Labour charges for GI pipe connection to the OHT, for inlet, outlet, overflow and scour arrangements including cutting and threading, earth work excavation & refilling.

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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