Construction of 30000 lit Capacity OHT with 12m Staging height at Ayamarathottam H.O Vellithiruppur Panchayat in Ammapettai Block of Erode District, under 15th CFC 2024-25

Name of the Work : Construction of 30000 lit Capacity OHT with 12m Staging height at Ayamarathottam H/O Vellithiruppur Panchayat of Erode District, under 15th CFC 2025-26

Earth work excavation and depositing on bank with in initial lead of 10m and lift of 2m in hard gravelly soil as per SS 20 B for foundation

In hard stiff clay, stiff black cotton soil, hard red earth, sales, soil S.S. 20B

In soft disintegrated rock, laterite, soft rock or kankar not requiring blasting

In DMR not requiring Blasting

Supplying and Filling foundation and basement with filling sand in layers not more than 15cm . Thick

PCC 1:4:8 using 40mm HBG metal including mixing curing etc.,below 1.50 m from GL.

RCC 1:1 1/2: 3 using 20mm HBG metal excluding cost of reinforcement and centering but including cost of mixing, laying, finishing, curing etc.

Column footing below 1.50 m from GL

0 to 1.50 m below GL

0 to 4.50 m from GL

4.50 m to 7.32 m. from GL

7.32m to 10.98m from GL

10.98m to 14.64m from GL

Supplying & Erecting centering for sides & soffiots including necessary supports & strutting upto 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90 x 60cm & 10 gauge stiffened, welded with steel angle

Below G.L.

Curved Surface

Square Column:

Colum 0 to 3.3m ht. below GL

Colum 0 to 3.3m ht. above GL

Colum above 3.3m to 4.3 ht from GL

Column above 4.30 m upto 5.30 m

Column above 5.30 m upto 6.30 m

Column above 6.30 m upto 7.30 m

Column above 7.30 m upto 8.30 m

Column above 8.30 m upto 9.30 m

Column above 9.30 m upto 10.30 m

Column above 10.30 m upto 11.21 m

Supply, fabrication, placing in position of steel rods cutting tying etc. complete including cost of reinforcement RTS rods

Painting two coats to the exposed surface of SR using cement paint

Supplying and fixing of cut in CM 1:3 below inlet pipe

Supply, delivery and fixing in position of MS ladder outside the tank

Supplying and fixing of CI Manhole cover with frame of size 0.60m x 0.60 m

Supplying and fixing of 100mm dia AC cowl for Ventilators on the roof slab

Refilling the foundation with excavated soil (other than sand)

Providing RCC ladder inside the tank

Providing RCC Hand rails at top of roof slab

Supply and delivery of PVC pipe 63mm 4kg/cm2

Earth work excavation and depositing on bank with in initial lead of 10m and lift of 2m in hard gravelly soil as per SS 20 B for foundation

Lowering of PVC pipe in the trench including jointing with cement solvent

Refilling the trench with excavated earth

GI PIPES AND SPECIALS FOR OHT INLET,OUTLET,SCOUR AND OVERFLOW CONNECTIONS

80mm GI Pipes

80mm GI coupling

80mm CI Flanch

80mm GM Gate Valve

80mm GI Elbow

50mm GI pipe

50mm GI coupling

65mm GI Pipe

65mm GI Coupling

65mm GI Elbow

RAINWATER HARVESTING

Earth work excavation and deposting on bank with initial lead of 10 m and initial lift of 2 m for Hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small sized boulders and hard gravely soil as

Brick work in CM 1:5 ( One cement and five sand ) using country bricks of size 8.75" x 4.25" x 2" including curing etc., complete for parapet wall alround roof slab as directed by TWAD Board officers.

Supply, delivery and filling of clean river course sand for the recharge pit as per type design.

Supply, delivery and filling og 20 mm size brick bats as per type design.

Supply, delivery and filling of 40 mm size brick bats as per type design.

Provision for Name Board

GST Amount for providing Service to Government Contract Works for the above Construction & Maintenance Works. { GST Amount is the Total GST Amount for overall quoted amount (Both Construction and Maintenance) above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)