Work No 02 Construction of 30000 lit OHT at Sengipatti Panchayat of Budalur Block in Thanjavur District under 15th FC 2025 26 Tranche

Construction of 30000 lit OHT at Sengipatti in Sengipatti Panchayat of Budalur Block

Earth work excavation in all class of Soil except hard rock requiring blasting with intial lead and lift etc. Complete for foundation as per SS 20B

First depth of 2m

Second depth of 1m

Supplying and filling in foundations and basement with filling M sand in layers not exceeding 15 cm. thick, well watered ,rammed and consolidated etc. complete complying with standard specifications.

For Foundation

For GL Brace

Cement Concrete 1 : 4 :8 ( one part of cement, four parts of sand and eight parts of hard broken stone ) using 40 mm gauge hand broken hard broken granite stone jelly complying with standard specifications in foundations and basement.

For Foundation

For GL Brace

Cement Concrete 1 : 4 :8 ( one part of cement, four parts of sand and eight parts of hard broken stone ) using 40 mm gauge hand broken hard broken granite stone jelly complying with standard specifications in foundations and basement.

For GL Landing

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 & up to 11.08 m from GL

For items above 14.64m & up to 18.30m 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, 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

Above GL to 3.30 m ht

Curved Surface

Square column

Below GL

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.

Fabrication, 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 PVC ventilating arrangements mosquito proof nylon net with 110 mm 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 GI pipe connection fittings to the OHT

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

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)

RCC 1:1.5:3 mix uisng 20 mm ISS HBG Metal including cost & conveyance of all materials and all Labour charges etc, Complete.,.

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.

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

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

Supply and delivery of 25 x 25 x 6 mm angle for supporting legs. 1x4x0.75=3.00 m x 1.80Kg/m=5.4 Kg

Centering, for soffits of RCC works including strutting shuttering charges etc. complete ( 4 x 0.75 x 0.075)

Supply, fabrication, placing in position of steel rods cutting tying etc.complete including cost of reinforcement RTS rods- UP TO 16 MM( 2x4x0.70=5.60m x 0.39 kg= 2.184 kg

RCC 1:1.5:3 (one cement,one and half snd and three 20mm HBG stone (1x0.75x0.75x0.075)

Drilling of Borewell(Sub estimate)

Drilling of bore wells any where in Thanjavur District including transportation form one place to another place whithin the above district in alluvial soil or sedimentary strata of clay and sand or sand stone, shale, pebbles boulders etc., by first taking a pilot bore of 150mm dia and then enlarging to required dia by direct or reverse rotary mud and water required for drilling at the site shown by the departmental officers including construction of mud pit. ( Water available within a lead of 1.50km)

From 60 m depth ending from Ground level

Reaming from 150 Dia PVC mm dia pilot bore to 300 mm dia bore as directed by the departmental officers up to 60m depth ending from ground level

From 60 m depth ending from Ground level

Supply and delivery of following materials as per ISI Specifications.

150 mm Dia PVC Plain casing Pipe(CS)

150 mm Dia PVC slot Casing pipes (RS)

150 mm Clamp set

150 mm Dia Bore cover

Labour charge for inserting PVC casing pipes assemble (with slots and without slots) in the drilled hole including jointly the pipes with PVC couplers with cement Paster etc., complete and supplying and packing the annular splace with rebbles lor size and quality as approved by Departmental Officers and conducting yield test by “V” notch method

Charges for developing the Bore well with Air compressor of 600 CFM capacity including transportain, labour and fuel charges for compressor as directed by the departmental officers and conducting yield test by "V" notch methods

Erection of Motor(Sub estimate)

supply and delivery of 5.00 hp vertical wet type of submersible pump set capable of discharging any of the following pump set 150 lpm against noted head in 100 m suitable for erection into the bore well of 150mm dia with stainless steel shaft for all its accessories for the above pump set.

Supply and delivery of wall mounting type contro panel made up of MS sheet 18 SWG vermin proof ,box type with higned front door and fixed sides with inter locking facility etc..complete with internal wiring of star delta control panel with provision for cable including all charges etc completed.

Supply and delivery of 1.1 kv grade 4.00 core pvc insulated 3sqm copper flat submersible cable and all its accessories ISI marking mt head including all charges etc completed

Supply and delivery of the following GI pipes and specials

50 mm UPVC column pipe (pg no 15)

16 mm carware rope

50mm GM gate volve.

50 mm flange set

50mm GM Non return volve.

50 mm GI pipe B class

50 mm GI Elbow

50 mm MS clamp set

140/0.30 (10sqmm) copper wire

Platform (Sub Estimate)

Earth work excavation 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

Sand filling with good ricer sand including cost & conveyance of all materials and all Labour charges etc, Complete.,.

CC 1:4:8 mix uisng 40 mm ISS HBG Metal including cost & conveyance of all materials and all Labour charges etc, Complete.,.

Brick work in cm 1:5mix using country bricks of including cost & conveyance of all materials and all labour charges for etc, Complete.,.

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

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

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}

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