TN04-08-02 / MINES AND MINERALS 2025-2026 - Pennagaram Block Construction of 60000 lit OHT tank at Pipeline Kariyampatti Village H/O Sathiyanathapuram

Construction of 60000 lit OHT Tank at Pipeline Kariyampatti Village H/O Sathiyanathapuram

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 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 First depth of 0 to 2 m

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

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 Column footing

0m to 1.50m below GL

0m to 1.00m above GL

1.00m 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

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 3.31m to 4.30m

From 5.31m to 6.30m

From 6.31m to 7.30m

From 8.31m to 9.30m

From 9.31m to 10.30m

From 11.31m 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 to 6.30m 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.

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 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

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 GI Ventilation arrangement 2 nos mosquito proof nylon net with 65 mm GI pipe and spls as directed by the TWAD Board officers 1 m 65 mm Gi pipe, 4 nos 65 mm Gi elbow , 4nos cutting and 8 nos threading and 2 nos 65 mm GI tee

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 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

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

Provsion for Name Board.

Provison for Pipe line (Sub Estimate)

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}