CONSTRUCTION OF 10000 LITER OHT AT KUTTAM IN KUTTAM PANCHAYAT IN RADHAPURAM PANCHAYAT UNION

Amount

Earth work excavation and depositing on bank within an initial lead of 10 m and following lift and classification of soils

For 1st depth of 0 m to 2 m

For 2nd depth of 2 m to 3 m

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

Plain cement concrete 1:4:8 using 40 mm hard broken granite metal for levelling course including cost of placikng, ramming, consolidating, curing etc. complete for footings.(1.5m to 4.5m below GL)

R.C.C. using M 30 design mix for the following items excluding the cost of reinforcement and centeringkl charges but including the cost of mixing, placing in position, consolidating, vibrating of concrete, curing etc

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 10.93 M TO 11.08 M

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

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 )

Plain surface

GL 0 to 3.30 M

Curved surface

From 0 to 3.3m from floor level

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

Painting two coats to exposed surface of OHT using Emulsion paint

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

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

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

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

Laying and jointing of 75mm PVC Pipes and specials etc complete

S.CHELLIAH ARMSTRONG