Construction of 30000Lit OHT Tank at ADC in padur Panchayat

Amount

Construction of New 30000 lit OHT Tank in Near Mariyamman koil ADC in Mavalavadi Pts Thellar Block, Tiruvannamalai District

Earth work excavation & depositing on bank with an initial lead of 10 meter & initial lift of 2 meter in Hard shift clay, stiff block cotton, hard red earth shales, murrum, gravel, stoney earth, and earth mixed with small size boulders and hard gravell soil (SS 20B) for foundation including shoring, stutting, baling out water providing danger light wherever necessary depositing the surplus earth on bank and other incedential charges ect., complete and as directed by TWAD board officers

First depth of 2m From 0 to 2 m below GL

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

Second depth of 2m From 2m to 4 m below GLFor Column Footing

PCC 1:4:8 (one cement four sand and eight hard granite broken stone of 40 mm size ISS gauge) for fountation and footing including mixing placing ramming finishing curing etc., complete accordance with standard specification and as directed by TWAD Bord officers

RCC mix in M25 grade using 10mm& 20mm Hard blue granite Broken stone (machine crushed) excluding the cost of RTS rods for reinforcement and centering strutting shuttering but including cost of all materials mixing laying vibrating the concrete with mechanical vibrators, ramming, consolidating finishing etc.complete

Below 1.5m from GL Column footing

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

10.98 m to 14.64 m above GL

14.64 m to 18.30 m above GL

Supply and erection of Steel Centering, Shuttering for soffitsand sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG 10 Stiffened with MS angle of size 25X25X3 mm for boarding laid over I type MS Truss of Size 25X25X3mm about 90cm c/c and supported by 40 mm GI

Plain Surface Below GL

From GL to 3.30m

From 5.30m to 6.30m above GL

From 8.30m to 9.30m above GL

From 11.30m to 12.30m

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 to6.30m ht

6.31m to 7.30m ht

7.31m to 8.30m ht

8.31m to 9.30m ht

9.31m to 10.30m ht

10.31m to 11.30m ht

11.31m to 12.30m ht

Curved Surface - upto 3.30m ht.

11.30m to 12.30m ht

12.30m to 13.30m ht

13.30m to 14.30m ht

14.30m to 15.30m 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 1:11/2:3 (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 PVC 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

65 mm GI pipes for inlet connection

65 mm GI pipes for over flow & rain water harvesting pipe

50 mm GI pipes for scour pipe

65 mm GI pipes for delivery pipe

90mm PVC Threaded coupler

63mm PVC Threaded coupler

65mm dia GI Tee

65mm dia GI bend 90

65mm dia GI bend (short)

65mm GI Coupler

65mm GI Union

65mm GI Elbow

50mm GI Union

50mm GI Elbow

65mm GI Tee

65mmX50mm GI reducer

75mmX63mm PVC reducer

65mm GM Gate Valve

50mm GM Gate Valve

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.

Providing Hand rails over the Roof slab by using 32 mm GI Pipe with 40mm x 6mm MS Flat and fixied with 12mm dia Fastner Bolt 75mm long and as directed by TWAD Bd officers

Sub estimate Providing pumping main line

Earth work excavation in all types of strata for laying of pipes with the standard trench width as per Bd.Circular N0.28/AE10/P&D /2001/dt 01.10.2001 and JCE (P&d) /lr .No.LM/AE10/P & D/2001/dt 22.11.2001 (1x0.60x1.05)=0.63x265.63=152.145

Supply of Unplasticised PVC rigid pipes as BIS 4985/2000 with ISI Marking to sitr of works

a.90mm OD PVC Pipe 6SKC

Conveying the PVC Pipes and specials to trench Lowering into the trenches laying to proper grade and alignment ,Jointing with PVC coupler and specials fixing with solvent cement paste and specials fixing solvent pressure as per Is incliding conveyance ets.

a.90mm OD PVC Pipe 6SKC

Refilling with excavated soil complying with standard specification in Layers of 15 cm thick well rammed and consolidated after pipes and Specials are and tested(1x0.60x1.05)=0.63x0.006=0.624x36.95=20.97

a.90mm OD PVC Pipe 6SKC

Rate per 1 m run

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

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}

P Elangovan