TN04-02-01/ IGF -2023-24 - Nallampalli Block-P01 - Providing New 10000 Liter OHT Tank(9.00 M Staging Height), Borewell, New Motor and Pipeline Thombaragampatti Vanniyar Street H/o Palayampudur - P01

Amount

Construction of 10000 Liter OHT Tank(9.00 M Staging Height), Borewell, New Motor and Pipeline Thombaragampatti Vanniyar Street H/o Palayampudur

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m in the following classification of soils as directed by TWAD Board officers. Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney earth and earth mixed with small size boulders for foundation SS 20B a) First depth of 2m For foundation For GL Brace

b)Second depth of 1m

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 A) For items 1.5m to 4.5m below GL FOOTING For rectangular portion For trapezoidal portion

B) For items 0 to 1.50m below GL For column upto G.L. For GL brace

C) For items 0m to 4.5m above GL Columns Brace at 3.375 m ht.

D) For items 4.51m to 7.32m above Columns Brace at 6.375 m ht.

E) For items 7.32m to 10.98 m above Column up to 9.30 m ht. For Beam at 7.00 m ht. above GL For floor slab at 7.2 m above GL

F) For items above 7.32 m & up to 10.98 m from GL Sidewall For haunches from 5.70m to 6.03m

For Roof Slab 10.93m to 11.08m Deduction for manhole cover For GI Ventilating arrangements

Supplying and erecting steel centering for sides and soffits I including necessary supports' and shuttering to the required height for RCC items using MS sheets of suitable size of BG.10 stiffeneq with welded MS angles of size 25mm x 25mm x3mm of boarding, laid over silver oak joints of size 10cm x 6.5cm spaceqat 90cm centre to centre and supported by casuarina props of 10cm to 13cm dia spaced at 75cm centre to centre complying with standard specifications etc., complete and as directed by TWAD Board

A). PLANE SURFACES a). Below G.L. & Upto 3.30 m ht

b). 3.31 m to 4.30 m

B.Curved Surface a. 0 to 3.30m

C. Square column a. Below G.L. b. Ground level to 3.30 m

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

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.

FabricatFabrication, supply, delivery and fixing of outside MS ladder of 45cm wide made out Fabrication, supply, delivery and fixing of outside MS ladder of 45cm wide made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps, and locking arrangements provided with one coat of red oxide paint for providing access to roof top of 10,000 lit. capacity OHT of suitable inclined length, including bottom anchorage and

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., to required height and clear width of 4Scm consisting of two Nos. of ve~ical post of 10cm x lScm and step slab of 25mm x 25mm etc., complete and as directed by TWAD Board officers. (Vide seperate Sheet)

Providing GI ventilating arrangements mosquito proof nylon net with 110 mm PVC pipes and cowl and as directed by TWAD Board officers

Providing manhole cover of size 0.60 m X 0.60 m in RCC 1: 1.5:3 with suitable reinforcement and 5O x 5O x 6mm 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. As per item l(a) + l(b) Less item 2,3 & 4A & 4B Total

Providing GI pipe connection to the OHT

Provision for Geo Physical Charges

Drilling bore well in hard rock area to required depth

Supply, Delivery, erection and commissioning of wet type 115mm dia three phase submersible pumpset including cost of cable etc.

Construction of Masonry Pedestal (Pump Room) for Housing the Panel Board Size : 1.20m x 0.60m x 0.75m .......(Vide Separate Estimate).......

Deposit to TNEB for Service connection

Provsion for Name Board.

Pipeline

Earth work excavation and depositing on bank with in initial lead of 10 m and initial lift of 2m in hard stiff clay, stiff black cotton soil, hard red earth, earth mixed with small sized boulders and hard gravelly soil as per SS 20B

Supply of 63mm PVC Pipes including cost and conveyance of all materials to site and all labour charges etc., completed.

Labour charges for laying and joining 40mm HDPE Pipes including all labour charges for laying pipes in proper alingment and gradient including cost of solvent cement etc., complete.

Refilling with excavated earth after laying of pipes including all labour charges Solvent cement etc., complete.

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}

Mayilsamy Jadayan contractor (BID ID -1133409)

NADARAJAN (BID ID -1133529)

M.Mathiyan (BID ID -1133478)

Karthikeyan Construction (BID ID -1133057)

PRAVEEN CONSTRUCTION (BID ID -1133239)

AK CONSTRUCTION (BID ID -1132623)