Water Supply Fund 2025-26-Construction of 10000 Litre Capacity Over head Tank (OHT) 7.50 m Staging Height With WS Arrangements at velmurugannagar Ward No.3 in Tiruchengode Municipality.

Amount

Earth work excavation below G.L. and depositing on bank within an initial lead of 10.00 m and an initial lift of 2.00 for the following classification of soil First depth of 0 to 2 m In hard stiff clay, stiff black cotton soil, hard red earth, sales, murrams, gravel, stoney earth, earth mixed with small sized boulders and hard gravelly soil S.S.20B

For Column Footing For G.L Brace

Sand filling for foundation with clear river sand including cost of sand,watering,ramming and consolidation etc complete as directed by TWAD Bord officers

For Column Footing

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

For footing

RCC in M 30 mix using10mm& 20mm size HBG metal excluding cost of reinforcement and centering but including cost of mixing, laying, curing, finishing etc.complete

Below 1.5m from GL

0m to 1.50m below GL

0m to 4.50m above GL

4.50 m to 7.32 m above GL

7.32 m to 10.98 m above GL

Steel Centering, soffits of RCC works including strutting and shuttertting Charges etc. complete for the following

Plain Surface - Below GL

Plain Surface -From GL to 3.30m

FroPlain Surface -m 3.30m to 4.30m above GL

Plain Surface -From 6.30m to 7.30m

Square Column Below GL and upto 3.30m

3.31m to 4.30m ht

4.31m to 5.30m ht

5.31m to 6.30m ht

6.31m to 7.30m ht

Curved Surface - upto 3.30m ht.

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

Painting two coats of newly plastered wall surface with ready mixed Cement paint of first quality and of approved colour over a priming coat including preparing the surface, clean removal of dirt and including necessary plaster of paris putty wherever required etc., complete complying with standard specification.

all round

Providing M.S Ladder of 45cm wide made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30 cm centre to centre etc as per approved design

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (One cement, one and half sand and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc complete

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

Providing cut stone slab in CM 1:3 of size 0.3 m x 0.3 m x 0.15 m and as directed by TWAD Board officers

Providing manhole cover of size 0.60 x 0.60M in RCC 1:1.5:3 with suitable reinforcement and 50x50x6mm MS angle fixed along edges and as directed by TWAD Board officers

Painting TWAD Board emblem on the SR with enamel paint as per Board's specification and as directed by TWAD Board officers

Provision for pipe connection arrangements for inlet, outlet scour and overflow etc. including cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enam

50mm dia GI pipes

63mm dia PVC Threaded coupler

50mm dia GI Tee

50mm dia GI Elbow

50mm dia GM Gate valve

50mm dia GI Flangeset

50mm dia GI Coupling

50mm dia GI Dummy

63 mm PVC 6Ksc Pipe

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board officers

Refilling

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 depositing on bank with initial lead of 10 mts and initial lift of 2.0 in hard stiff clay stiff black cotton soil, hard red earth shales, murram, gravel, stoney earth and earth mixed with 50% fair sized oulders and gravelly soil etc., complete for boxing as per IS 20B.

Refilling Excavated earth and all labour charges,etc,

Cost and Supply of 90mm 6Ksc PVC Pipe

Labour charges for fixing of 90mm 6Ksc PVC Pipe including cost and conveyance

Towards the Charges for Name Culvert Stone Charges

add GST 18%

G MOHANRAJ (BID ID -1300535)