Salem District - Veerapandi Block - Construction of 10,000lit OHT (7.5m Stage) at Laguvampatti H/O Murungapatti Panchayat in JJM -2024-25 at NABARD - RIDF-XXIX Work No.03

Amount

1.) Construction of 10000 Liter OHT (7.5m Stage) at Laguvampatti H/O Murungapatti

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 First depth of 0 to 2m

Second depth of 2m to 3m

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

Plain 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 Board officers. (For items 1.5m to 4.5m below GL)

For items 0 to 1.50m below GL

For items 0m to 4.5m above GL

For items 4.51m to 7.32 m above

For items above 7.32 m & up to 10.98 m from GL

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, I type trust of size 25x25x3mm spce at about 90cm c/c and supported by 40 mm GI pipe (Medium) spaced at 75 cm complied to centre complying with standard specifications etc., complete and as directed by TWAD Board officers. (PLANE SURFACES-o-3.3m Below & above G.L)

Square column - Below G.L. &above G.L 0-3.30

Curved surface upto 3.30m

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

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

Supply and delivery and fixing of outside MS ladder of 45cm clear wide made out of 50mm x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm C/C welded jointed etc

Providing and fixing of RCC inner access ladder in M30 (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., to required height and clear width of 4Scm consisting of two Nos. of ve~ical post of 10cm x lScm and step slab of 2Smm x 25mm etc., complete and as directed by TWAD Board officers. Providing PVC ventilating arrangements mosquito proof nylon net with 1l0mm PVC pipes and cowl and as directed by TWAD Board officers. Providing cut stone slab in CM 1:3 and as directed by TWAD Board officers.

Providing 110mm pvc vent cowl arrangement proof nylon net and as directed by twad board

Supply and fixing of cut stone of size 0.30m x 0.30x0.15m in cm 1:3(one cement and three sand ) below inlet pipe for service as directed by twad board officers

Supply and fixing of cut stone of size 0.60m x 0.60x0.15m in cm 1:11/2:3(one cement and three sand ) below inlet pipe for service as directed by twad board officers

Supply and delivery of GI pipe and specials as per ISI standerd specifications - (50mm dia GI Pipe for scour pipe)

50mm GI Coupling

50mm GI Elbow

50mm Flange set

50mm GM gate valve

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

Supply and delivery of 63mm od 4ksc pvc pipe as per ISI Marked standard specification

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 specification (63mm)

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

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

cement concrete 1:4:8 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges etc

Brick work in cement mortar 1:5 mix using country bricks 83/4''x41/4"x23/4"and conveyance of all materials to site and all labour charges complete

Filling the soak pit with 225mm boulders as per specification

Filling the soak pit with 40mm Metal as per specification

Filling the soak pit with 20mm metal as per specification

Plastering with cement mortar 1:5 mix to 12mm thick including cost and conveyance of all materials to site and all labour charges

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 Departm

Supplying and fixing pvc downfall pipe of 110m dia with necessary shoes,bends&clamps etc

Supply and fixing of rcc rings 750mm dia for leach pit complete

casting and fixig of rcc precast slab of 75mm thick 1:2:4using 20mm

Supply and fixing of cover slab 750mm dia for leach pit 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}

STR&Co (BID ID -1105766)