Construction of New 10000 Litter OHT in Rajapalaiyam Habitation at Su.Polakunam Panchayat

Amount

Construction of New OHT Tank 10000 Litters @ Rajapalayam in So Polakunam Panchayat

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

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

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

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

From GL to 3.30m

From 3.30m to 4.30m above GL

From 6.30m to 7.30m

Square Column:

Square Column Below GL and upto 3.30m above GL

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 coatsto the exposed surface of SR using cement paint

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

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

80mm dia GI pipes

80mm gi coupling

80mm gi Bend

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

80mm gm gate value

63 mm PVC 4Ksc Pipe

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

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

Provision for Main Pipe line Sup Estimate

Supply,delivery, laying and jointing of 90mm OD PVC 4Ksc pipe inlcuding earth work excavation in all strata soil, refilling and hydraulic testing, adopting standard specification and as directed by TWAD Board Officer.

Supply of PVC specials as per BIS 10124/1988 Part 1 to 13 &BIS 7834/1975 with ISI Marks to site of works

a.90mm PVC Bend

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}

Mani M