Work No 01 Construction of New 10000 Lit OHT at Muthandipatti in Pudupatti Panchayat of Budalur Block in Thanjavur District under JJM Savings 20 21 Tranche

Amount

Construction of New 10000 Ltr OHT at Muthandipatti Habitation in Pudupatti Panchayat (7.50m Staging Height) of Budalur Block.

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

For foundation

Brace Level Beam

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 7.32 m above

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

For Roof Slab 10.93 M TO 11.08 M

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.

Plane Surface

Below G.L. & Upto 3.30 m ht

Curved Surface

Square Column

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 60,000 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.

Providing GI pipe connection to the OHT ( vide separate sheet)

65mm Ø GI pipes for over flow & 1xl

rain water harvesting pipe

65mm Ø GI pipes for over flow & 1xl

50mm Ø GI pipes for scour pipe 1xl

65mm Ø GI pipe for delivery 1x1 pipe

90mm Ø PVC Threaded coupler

65 mm Ø PVC threaded coupler

65mm Ø GI Tee

65mm Ø GI 900 Bend

65mm Ø GI coupler

65mm Ø GI union

65mm Ø GI Elbow

65x50mm Ø GI Reducer

75mmx 63mm PVC Reducer

75mm PVC Threaded coupler

75x90 PVC Reducer

75x63 PVC Reducer

65mm Ø GM Gate valve

50mm Ø GM gate valve

Construction of rainwater harvesting

Brick work in CM 1:5 using country brick of size 8.75" x 4.25" x 21/4" including curing complete for parapet wall alround roff slab as directed by Department Officers for Rain water harvesting.

Plastering in CM 1:5 -12mm thick alround parapet over roof slab including finishing curing complete and as directed by Department Officers.

Plastering in CM 1:3 over roof slab of reservoir 12 mm thick with proper gradient of 1/50 for drain the rain water at the center of roof slab by Connecting the rain water harvesting pipes with over flow pipe as per type design and as directed by DepartmentOfficers

Distembering two coats with approved cement paint over one coat of primaing coat over cement plastered exposed surface of the reservoir including celaning preparing the surface and curing preparing the surface and curing complete and as directed by Department Officers

Supply and fixing of PVC grating of size 20 x 20 cm for fixing the roof of the reservoir

SOAKPIT

Earth work excavation and depositing on bank with initial lead of 10m and lift of 2.00m in Hard stiff clay, Stiff Black Cotton soil, Hard red earth, Shaless, Murrams and earth mixed with small size boulders etc. as per SS 20B.

Plain Cement Concrete 1:4:8 (one cement four sand and eight aggregate) using 40mm HBS for foundation including the cost of mixing concrete, ramming, curing etc., complete and as directed by Department. Officers etc., complete.

Brick work in CM 1:5(one cement five sand) using country bricks of size 8 ¾ x 4 ¼ x 2 including curing etc. complete and as directed by Department Officers etc., complete. For soak pit

For soak pit

Supply and filling 40mm HBG stone as per specification and as directed by Department Officers

Supply and filling 20mm HBG stone as per specification and as directed by Department Officers

Supply and filling of sand as directed by Department Officers etc.,

Plastering in CM 1:5, 12mm thick as directed by Department Officers etc.,

Supply delivery and fixing of splash pad of size 500 x 500mm at the flow junction point with recharge pit (1 : 3 :6 - 20mm)

Supply and delivery of 75mm PVC 4 KSC pipe

E.W Excavation in all type of soils and laying of 63 mm PVC pipes jointing testing complete re-filling as directed by Department officers.

Pre cast RCC 1:1.5:3 cover slab of size 1.45 x 0.06m size 1 no using 20mm HBG stone excluding cost of steel fabrication etc., complete.

For cover slab

Steel shuttering charges precast RCC cover slab

Supply and fabrication and placing in position of RTS rods including cost steel and binding wire etc., complete

Platform

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

Supply and filling of sand as directed by Department Officers etc.,

Plain Cement Concrete 1:4:8 (one cement four sand and eight aggregate) using 40mm HBS for foundation including the cost of mixing concrete, ramming, curing etc., complete and as directed by Department. Officers etc., complete.

Brick work in CM 1:5(one cement five sand) using country bricks of size 8 ¾ x 4 ¼ x 2 including curing etc. complete and as directed by Department Officers etc., complete. For soak pit

C.C.(1:2:4) Mix using 20mm ISS & HBG metal including cost & conveyance & Labour charge etc. complete.

Plastering in CM 1:5, 12mm thick as directed by Department Officers etc.,

Provision for InformationBoard

Provision for 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}

CHINNADURAI (BID ID -1073825)