15th CFC 2021-2022 - Construction of New OHT (30000 Lit Cpacity) at Koolamandal Panchayat in Anakkavoor Block

Amount

CONSTRUCTION OF 30,000 LITRES CAPACITY SERVICE RESERVOIR - 12.00m STAGING HEIGHT @ Vellai 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 2m

Second depth of 2m From 2m to 4 m below GL

Supplying and Filling foundation and basement with filling sand in layers not more than 15cm . Thick well ramed, watered and compacted Complete complying with Standard specification.

Cement concrete 1:4:8 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete

Reinforced cement concrete 1:1.5:3mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying, and curing etc complete

Items 1.50 m to 4.50m below GL

Items 0 m to 1.50m below GL

Items 0.0 to 4.50m Above GL

Items Above 4.51m to 7.32 m

Items Above GL 7.33m to 10.98m

Items 10.98 m to 14.64 m above GL

14.64 m 18.30m above GL

Supplying and erecting centering shuttering including necessary supports for plane surface in foundation and basement and in all floors for R C C column footing column plinth beam, beams, roof slabs, staircase steps, bed blocks, critical pier etc using mild steel sheets of size 90 x 60 cm and 10 guage stiffened, welded with mild steel angles of size 25mmx25mmx3mm for boarding laid over silver oak (country wood) scantlings of size 10cm x 6.5cm spaced of about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre complete complying with standard specifications and as directed by departmental officers including conveyance of all materials to site and proper centering etc complete.

For Plain Surface Below GL

From 0.00 -3.30m

From 5.30m to 6.30 m

From 8.30m to 9.30m above G.L

From 11.30 m to 12.30m

Square column

8.31 to 9.30m ht

10.31 to 11.30m ht

Curved Surface - upto 3.30m ht.

Painting two coats to the exposed surface of SR using cement paint

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

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

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 mix and as directed by Departmental Officers

Providing Manhole cover of size 0.60x0.60 m in RCC 1:11/2:3 mix with suitable reinforcement and 50x50x6mm Ms angle fixed along edges and as directed by Departmental Officers

Provision for pipe connection arrangements

65mm GI pipes for inlet connection

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

50mm GI pipes for scour pipe

65mm GI pipe 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

65x50mm GI reducer

75mmx63mm PVC reducer

65mm GM gate valve

50mm GM gate valve

63 mm PVC 4Ksc Pipe

Refilling in Basement with excavated Earth in layers of not more than 15cm. Thick well rammed, watered and consolidated complying with standard specifications etc., complete.

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 - Pumping Main Line

Earth work excavation and depositing on bank with initial lead of 10 mts and initial lift of 2.0 in hard stiff clay stiff black cotton soil, hard red earth shales, murram, gravel, stoney earth and earth mixed with 50% fair sized oulders and gravelly soil etc., complete for boxing as per IS 20B.

Refilling Excavated earth and all labour charges,etc,

Cost and supply of 90 mm 6 Ksc PVC Pipe & Specials

Towards the Labour charges for Laying PVC Pipe

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}

HEMACHANDIRAN