Construction of 60000 Lit OHT Tank (12.00 M Stage ) at Sivanmalai AD Colony H/O Sivanmalai, Kangeyam block, Tiruppur district, Unapproval Layout Fund 2025-26

Construction of 60000 Lit OHT Tank (12.00 M Stage ) at Sivanmalai AD Colony H/O Sivanmalai

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 2m

in hard stiff clay 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

a.For Coloum footing for G.L.brace

b.Second depth of 2.0m to 3.0 m

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

A .Below 1.5m from GLColumn footing

B. 0m to 1.50m below GL

C. 0m to 1.00m above GL

D.1.00m to 4.50m above GL

E. 4.50 m to 7.32 m above GL

F. 7.32 m to 10.98 m above GL

G. 10.98 m to 14.64 m above GL

H. 14.64 m to 18.30 m above GL

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

Plain Surface

A.Below GL

B.From GL to 3.30m

C.From 3.31m to 4.30m

D.From 5.31m to 6.30m

E.From 6.31m to 7.30m

F.From 8.31m to 9.30m

G.From 9.31m to 10.30m

H.From 11.31m to 12.30m

Square Column:

A.Square Column Below GL and upto 3.30m above GL

B.3.31m to 4.30m ht

C.4.31m to 5.30m ht

D.5.31m to 6.30m ht

E.6.31m to 7.30m ht

F.7.31m to 8.30m ht

G.8.31m to 9.30m ht

H.9.31m to 10.30m ht

I.10.31m to 11.30m ht

J.11.31m to 12.30m ht

A.Curved Surface - upto 3.30m ht.

B.Curved Surface - 3.30m to 4.30m 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 outside M.S Ladder of 45cm wide made out of 50x50x6mm MS angle for sides and steps fixed at 30 cm centre to centre etc.and providing of Landing slabs with hand rails using 32mm GI pipe and 40mmx6mm MS flat 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.,

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

Refilling the foundation with excavated earth including consolidation as directed by the 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 enamel paint

65mm dia GI pipes

75mm dia PVC Threaded coupler

65mm dia GI Tee

65mm dia GI Elbow

65mm dia GM Gate valve

65mm dia GI Flangeset

65mm dia GI Coupling

65mm GI Dummy

63 mm PVC 4Ksc Pipe

63 mm PVC Bend

cutting of 65mm GI pipes

Thearding of 65mm GI pipes

75mm X 90mm PVC Reducer

90mm dia PVC Threaded adopter

Earthwork excavation in all classes of soil for laying of pipeline

Supply and Delivery of 63mm PVC pipe 4kg/cm2

Laying of 63mm PVC pipes in the trench including labour charges for fixing specials, coupling etc

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

Provision for Name board charges

Provision for Photo graphic charges

GST Amount for providing Service to Government Contract Works for the above Construction & Maintenance Works. { GST Amount is the Total GST Amount for overall quoted amount (Both Construction and Maintenance) above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)

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