Salem District - Kadayampatti Block - Construction of OHT 30000 lit OHT at Elathur Boyar theru area H/O Nadupatty Panchayat Mines and Minerals - 2023-24 Work No.01

Amount

Construction of 30000 liter over head tank at Elathur boyer theru area .H/O : Nadupatty.

Earth work excavation & depositing on bank with an initial lead of 10 metre & initial lift of 2 metre in Hard shift clay, stiff block cotton, hard red earth shales, murrum, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil (SS 20B) for foundation including shoring, strutting, baling out water providing danger light wherever necessary depositing the surplus earth on bank and other incedential charges etc., complete and as directed by TWAD board Officers

Collection and supply of sand and filling in to the basement including cost and conveyance to the siteand all labour charges for filling as per standard speecifications

Refilling the basement with excavated earth other than sand complying the 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

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium) spaced at 75cm c/c etc complete and as directed by the TWAD Board Officers.

Plain Surface Below GL

From GL to 3.30m

From 6.30m to 7.30m above GL

Floor slab @ 7.14m

Cover slab @ 10.25m

Curved surface 0 to 3.30m

Square Columns For column upto G.L. Brace Beam Bottom

For column, G.L. brace beam top to Middle brace beam bottom - (0.00 to 3.30)

Middle brace beam Top to Grid beam bottom (3.60-6.84) 3.60 to 4.30m

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.( The steel should conform to the relevant ISspecification and supplied with test certificate Fe. 415 grade as per IS specification No.1786/1985 and as amended from time to time) delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, taxes etc. complete.and as directed by the TWAD Board officers.

Reinforced Cement Concrete Mix M30 grade using 10mm & 20mm Hard blue granite Broken stone (machine crushed) excluding the cost of RTS rods for reinforcement and centering, strutting, shuttering but including cost of all materials mixing, laying, Vibrating the concrete with mechanical vibrators, ramming, consolidating, finishing and curing etc., Complete and as directed by the TWAD Board Officers.

1.50m to 4.5m below GL

0 to 1.5m below GL

Above GL 0m to 4.5m

4.5m to 7.32m from Above GL

7.33m to 10.98m from Above GL

Painting two coats with approved cement paint over one priming coat of white cement over cement plastered wall surface and ceiling including cleaning preparing the surface and curing etc., complete (using cement paint of colour as approved by the Departmental officer) and as directed by the 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 etc., complete.,

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.

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 OHT of suitable inclined length, including bottom anchorage and transportation etc., complete.,

Pipe connection arrangements for inlet,outlet,scour and overflow etc. including cost of pipes,specials,valve,labour charges for lifting, aligning, cutting, threading ,fixing and painting of GI pipes with two coats of approved quality enamal paint etc. complete as detailed below.

50mm GI pipes for scour pipe

50mm GM gate valve

Flange set 50mm

GI elbow 50mm

GI Coupling 50mm

Supply and delivery of 63mm OD 6 KSC PVC Pipe as per ISI Marked Standarad specification.

Supply and delivery of 63mm PVC MTA

Supply and delivery of 63mm PVC Elbow

Earth work excavation and deposting on bank with an initial lead of 10m & lift of 2m for pipe laying works with standard trench width and depth etc., complete

Lowering PVC pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

Refilling the excavated earth as per the standard specifications (63mm)

Provision for scheme name board

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}

M/s.K.ARAVINDH