Construction of 10000 litre OHT With 20 FHTC connection at Thandavarayansozhanpettai panchayat

Amount

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

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 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 7.32m above GL

For items 7.32m to 10.98 m above

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

For Roof Slab 10.93m to 11.08m

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 officers. Below G.L. & Upto 3.30 m ht

Curved Surface

Square column

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. Up to16 mm dia and above 16 mm dia rods

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 transportation and as directed by TWAD Board 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., 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

Provsion for Name Board.

PIPE LINE Earth Excavation and depositing on bank for with an initial lead and lift in all type soil for pipe line for 63mm dia pipe

Supply of unlasticised 63mm OD PVC/4ksc rigid Pipes as per BIS 4985/2000 with ISI Marking to site of works

a) 63mm End cup 1 x 9

b) 63mm Tee

c) 63mm elbow

Lowering and Laying of the 63mm dia PVC pipes and secials to trench ,laying to proper grade and alignment,jointing with PVC coupler and specials fixing with solvent cement paste etc., complete

Re-filling with excavated soil complying with standard specification in layers of 15cm thick well rammed and consolidated after ipes and specials are laid and tested

PVC Adhesive for pipe fixing Work

Earth Excavation and depositing on bank for with an initial lead and lift as per hard gravely soil for pipe line for 20 mm PVC Pipe

Supply and delivery of 20mm dia PVC pipes as per BIS 4985/2000 with ISI Marking to site of works

Lowering and Laying the 20mm dia PVC pipes and secials to trench ,laying toproper grade and alignment,jointing with PVC coupler and specials fixing withsolvent cement paste etc., complete

Re-filling with excavated soil compplying with standard specification in layers of 15cm thick well rammed and consolidated after pipes and specials are laid and tested

63 x 20mm saddel set

Brass Ferrule 15mm

15 Lpm Brass Flow Control Vlave (LR)

20mm PVC FTA

20mm PVC Elbow

20mm PVC MTA

15mm Brass tap (LR)

15mm Brass Ball valve (LR)

Cutting of 20mm PVC pipe

Labour charge for drilling, cutting, Threading and Brass ferrule in distribution pipe.

Precast RCC Fountain Post (0.15 x 0.15 x 1.20) and CC Platform (0.75 x 0.75 x 0.10)

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}

U.Narmatha (BID ID -1240914)