Construction of 300000 liter OHT 12m staging height at Samugarengapuram South Arjunan Colony in Samugarengapuram Panchayat in Radhapuram Panchayat Union

Amount

Earth work excavation for Foundation in all soil and sub soil as per SS20B for Foundation etc.complete SS20B

Supply and filling and basement with filling sand in layers not more than 15cm .Thick well ramed,watered nd compacted comple\lying with std.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

R.C.C 1:1.5:3 mix 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 footing below G.L. ( 1,50 to 4,50 below GL )

For Column and Brace upto G.L ( 0 to1,50 below GL )

For item 0m to 4.5m above GL

For column and brace II 4.5m to 7.32m from GL

For column and brace III 7.32 to 10.98m from GL

For Roof Slab 10.98 M TO 14.64 M

14.64m -18.39m above GL

Centering soffits of RCC works including strutting and shuttering charges etc., complete for the following

Plain surface

Below GL

GL 0 to 3.30 M

from 5.30m to 6.30m

form 8.30m to 9.30m above GL

From 11.30m to 12.30m

Curved surface

Upto 0-3.30 Height

From 5.31-6.30m height

Square Column

For column Below GL

For column GL 3.31 to 4.3 m

For column ( 4.31 m to 5.3 m )

For column ( 5.31 m to 6.30m).

For Column (6.31m to 7.30m )

8.31m to 9.30m ht

10.31m to 11.30 m ht

11.31m to 11.40 m ht

Painting two coats to exposed surface of OHT using Emulsion paint

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

FabricatFabrication, supply, delivery and fixing of outside MS ladder of 45cm wide made out Fabrication, supply, delivery and fixing of outside MS ladder of 45cm wide made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps, and locking arrangements provided with one coat of red oxide paint for providing access to roof top of 10,000 lit. capacity OHT of suitable inclined length, including bottom anchorage and transportation and as directed by TWAD Board officers.

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (one cement, one and half sane! and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc., to required height and clear width of 4Scm consisting of two Nos. of ve~ical post of 10cm x lScm and step slab of 25mm x 25mm etc., complete and as directed by TWAD Board officers. (Vide seperate Sheet)

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

Providing cut stone slab in CM 1:3 mix and as directed by Departmental Officers

Providing manhole cover of size 0.60 m X 0.60 m in RCC 1: 1.5:3 with suitable reinforcement and 5O x 5O x 6mm MS angle fixed along edges and as directed by TWAD Board officers.

65mm dia GI pipe for inlet connection and outlet

65mm dia GI pipe for over flow and main water harvesting pipes

50mm dia GI pipe for scour pipe

65mm dia GM gate valve

50mm dia GM gate valve

50mm dia Flange set

75mm dia PVC thread coupler

65mm dia PVC threaded coupler

65mm dia GI TEE

65mm dia GI coupling

65mm dia GI flnge set

65mm dia GI Elbow

50 mm dia GI Elbow

65mm x 50mm dia GI Reducer

75mm x 63mm PVC Reducer

90mm x 75mm PVC Reducer

Refilling in basement with excavated earth in layers of not more than 15cm.thick well rammed,watered and consolidated complying with std. specification etc.,complete

Pipe line arrangements

Supply and delivery of 75mm PVC pipe

Earthwork excavation and depositing on bank with initial lead and lift of 10m including all cost etc,.complete

Laying and joining of 75mm PVC pipes and specials etc.,complete

Refilling with excavated soil other than sand including all cost and all labour charges etc complete

Karunairaj