Construction of OHT 100000 litre Capacity at Malaiyandavar Koil in C.N.Palayam Panchayat

Amount

Drilling of bore well in alluvial soil sedimentary strata of clay and sand stone, shale, pebbles, boulders etc., by first taking a pilot bore of 140mm/ 150mm/ 200mm dia and then enlarging to required dia by direct or or reverse rotary mud circulation method, using contractor’s rig, fuel, labour, drilling, at the site shown by the Departmental Officers including construction of mud For Raft foundation

For Raft foundation

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

Cement concrete 1:4:8 (one cement four sand and eight aggregates) using 40mm HBGS for levelling course for foundation including the cost of mixing concrete, ramming, curing etc., complete as directed by TWAD Board officers.

RCC in M30 GRADE using graded aggregtes of HBGs excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc., complete as directed by TWAD Boad Below ground level From GL to 4.5m

For brace at 3.80m from GL

4.50m to 7.32m above GL

7.32m to 10.98m above GL

For brace 7.40m from GL

10.98m ht to 14.64m ht

15.35m to 18.50m ht from GL

From 14.20m to14.70m from GL

From 14.70m to 14.80m ht from GL

Raft slab sides (curved) Raft beam radial sides (plain)

Deduct for Brace junction at ground level

Braces at ground level

For circumferential brace Bottom (plain) Sides (plain)

For Radial Brace Bottom (plain) Sides (plain)

3.30m to 4.30m ht above G.L Deduct for Brace junction

4.30m to 5.30m ht above G.L

Central column(circular)

Outer columns (square)

Central column(circular) 5.30m to6.30m ht above G.L

Outer columns (square)

Central column(circular)

Outer columns (square)

7.30m to8.30m ht above G.

Outer columns (square)

Braces at 7.40m above G.L

8.30m to9.30m ht above G.L

Central column(circular)

square column

column upto 13.30 to 14.30m circular column

square column

column upto 14.30 to 15.30m circular column

square column

Central column(circular)

Outer columns (square)

sides (curved surface)

column upto 12.30 to 13.30m circular column

square column

column upto 13.30 to 14.30m circular column

square column

column upto 14.30 to 15.30m circular column

square column

column upto 15.30 to 15.35m circular column

column drop of central column

15.35m to18.50m ht above G.L 0.00 Plain surface bottom 0.00 Deduct for column head -1 x 3.14 1.502 0.300 -1.41 column drop sides.

Deduct for column junction

Side (curved surface)

0m to 3.30m ht

From floor slab 0.00 considering floor slab as datum 0.00 Floor slab sides(curved) 1 x 3.14 7.7 0.230 5.56 side wall curved surfaces 0.00 from 0m to 2.95m ht from FS 0.00 outer side

Deduct for column dead -1 x 0.785 1.2 1.200 -1.13 Roof Slab

Roof slab sides(curved surface)

Supplying, fabricating and placing in position of HSD steel rods for Reinforcement including the cost of steel and binding wire etc., complete and as directed by TWAD Board officers.

Painting two coats with approved cement paint over one coat of priming coat over cement plastered exposed surface of the Reservoir including cleaning, preparing the surface and curing etc., complete and as directed by TWAD Board officers

Providing manhole cover of size 1x1 0.60 X 0.60M in RCC 1: 1.5:3 with suitable reinforcement and as directed by Department officers.

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (one cement, one and half sane! and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc.

in RCC 1:1.5:3 using 20mm HBGS of 1.80m diameter of required height for approach to the roof of service reserviour with RCC handrails including eearth work excavation ,providing cc 1:4:8 mix,RCC footing 1:1.5:3 mix,GL platform etc and also including cost of steel reinforcement ,fabrication charges,scaffolding,centering,precast ing charges,cement,painting etc complete as per std specification. Ladder

ventilators of approved pattern including cost of cement,reinforcement,centering,shut tering,strutting etc complete. 0.45m*0.60m

Providing cutstone set in CM 1:3 using well dressed cut stone supporting inlet pipe of size 0.3X0.3X0.15m for service reservior etc complete as per std specification.

using 20mm HBGS for RCC Handrails of 0.91m height over the top of roof slab of approved pattern and design including the cost of reinforcement,centering,precasting,fi nishing,curing etc complete as per std specifications.

excavated earth including consolidation as directed by the TWAD Board officers.

90mm GI pipe

90mm GI Elbow

90mm GI coupling

90mm GI flangeset

90mm GM Gatevalve

90mm CI pipe for floor slab(each 1m length)

Pipes & Specials for OHT pipe connections as directed by the TWAD Officers,

Provision for Pumping main and Distributor Pipe Linw Arrangements etc.

Provision for Platform .

Photographic Charge

RPS CONTRACTOR (BID ID -1520615)