Construction of 10000 Litres OHT, Pump room and Bore well at Anna nagar habitation in Pulavarnatham Panchayat of Ammapettai Block.

Construction of 10000 Litres OHT, Pump room and Bore well at Anna nagar habitation in Pulavarnatham Panchayat

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 eart

First depth of 2m

Second depthof 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 Department

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 10.98m above 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

PLANE SURFACES

Below G.L.

Below G.L. & Upto 3.30m ht

Curves Surface

Square column

For Column Below G.L. & (Ground level to 3.30 m)

For Column -( 3.30m to 4.30m)

For Column -( 4.30m to 5.30m)

For Column -( 5.31m to 6.30m)

For Column -( 6.31m to 7.00m)

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 Department 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 1x1 0.75 X 0.75M in RCC 1: 1.5:3 with suitable reinforcement and 5O x 5O x 6mm MS angle fixed along edges and as directed by Department 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

Labour charges for GI pipe connection to the OHT, for inlet, outlet, overflow and scour arrangements including cutting and threading, earth work excavation & refilling.

Supply and Delivery of following pipes and specials for OHT Connection

65 mm GI pipe for over flow

65mm GI pipe for threaded couplere

90mm PVC pipe for delivery 1x1 pipe

65 mm dia GI Tee

65mm dia GI bend

65mm dia GI coupler

65mm dia GI Union

65mm dia GI Reducer Elbow

65x50mm dia GI Reducer

75mmx63mm Pvc Reducer

75 mm PVC Threaded coupler

65mm dia GM Gate Valve

50mm dia GM Gate Valve

Provision of Supply and fixing of Water Meter ( Sub Est)

Provision for 50 mm Water meter - TWAD SOR PAGE 81 , 16 clause

Water meter Dirt BOX

Water meter erection charges

Construction of Platform ( Sub Est)

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

Supplying and filling with best M- sand including watering ramming and consolidation etc.,complete

Cement concrete works 1:4:8 mix using 40mm size for levelling course for foundation,Basement including mixing, placing, finishing, curing 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.,.

Cement concrete works 1:2:4 mix using 20mm size for levelling course for foundation,Basement including mixing, placing, finishing, curing etc., complete.

Plastering with Cement Mortar 1:5 (one part of cement and five part of sand) 12mm thk. Including labour charges for mixing,finishing, curing etc.complete

Construction of Pump Room ( Sub Est)

Earthwork excavation and depositing on bank with initial lift of 2.00m in hard stiff clay, Stiff Black cotton soil, hard red earth, shales, Murram etc., as per SS 20 B

Supplying and filling with best M- sand including watering ramming and consolidation etc.,complete

Cement concrete works 1:4:8 mix using 40mm size for levelling course for foundation,Basement including mixing, placing, finishing, curing etc., complete.

Earth filling in basement & sides of foundation with excavated earth including ramming and consolidation etc., complete

Brick work in CM 1:5 (one cement and five sand) using country bricks of size 8.75" X 4.25" X 2.00" including cost of all materials, labour charges, curing etc., complete and as directed by TWAD Board Officers. (For foundation and basement)

Brick work in CM 1:5 (one cement and five sand) using country bricks of size 8.75" X 4.25" X 2.00" including cost of all materials, labour charges, curing etc., complete and as directed by TWAD Board Officers. (For super structure)

Reinforced cement concrete 1 : 1 1/2: 3(one cement,oneand half sand and three coarse aggregate)using 20mm size hard broken stone jelly(machine crushed) for the following members.The rate to excludethe cost of steel for reinforcement,centering,shuttering, strutting but includingcost of mixing of concrete,placing,vibrating with Mechanical Vibrator, finishing and curing etc. complete and as directed by TWAD Board Officers.

Steel centering for soffits of RCC members including shuttering,strutting to the centring and providing supports etc.complete for the following members using MS Sheets of size 90cm x 60cm and BG 10 Gaugesstiffened with welded MS angles of size 25 x 25 x3mm laid over Silver Oak(country wood) joists of size 10 x 6.5 cm (spaced at about 90cm C/C) and supported by Casurania props of 10 cm to 13 cm dia. spaced at 75 cm C/C and as directed by TWAD Board Officers.The centring materials should be supplied and should be removed after the specified stripping time of the concrete as per IS 456/1978.

Plastering with C.M. 1:5(One part of cement and Five parts of sand) with 12mm thick over brickwork portion including labour charges for mixing finishing and curing etc., complete and as directed by TWAD Board Officers.

Supplying and applying putty RCC Slab with C.M.1:3(One part of cement and Three parts of sand) 10mm thickover RCC surface including labour charges for mixing finishingand curing etc., complete as directed by TWAD Board Officers.

Providing Gronolithic pattern floor finish in CC 1:2:4 Mix Using 10-12 mm ISS Metal to 25mm thick including cost and conveyance of all materials to site and all labour charges

Supply and fixing of MS door (Single leaf) of sizes 1.00 x 2.00m in MS angle 50 x 50 x 4mm and MS flat 35 x 6mm with MS sheet of 18 gauge including ventilating arrangements using 20mm square MS rods with locing arrangements including two coats of approved enamel painting over one coat of primer

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

Supply and fixing of RCC box type jolly of size 0.6 x 0.45 m

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

White washing two coats using fine screened shell lime for the new plastered surface for inner and outer side of the room including the cost of materials labour charges etc., complete and as directed by TWAD Board Officers.

Fininshing the top of roof with one course of pressed tiles with cm 1:3 mix and Pointing with same Mortar including cost and conveyance etc. Complete

Electrification charges

Light Point/ Fan Point SD 21

Plug Point SD 34

32 Amp DPIC SD144

Meter Board SD 125

watt hour meter SD 124

GI Service Pipe SD 67

Service Main SD 62

BH Fitting SD 80

40W Bulb SD 77

Bore well (Sub Est)

Drilling of borewells any where in Thanjavur District Including transporation from one place to another place with in the above district in alluvial soil or sedimentary strata of clay and sand or stone shale pebbles etc, by First taking a pilot bore of 16

Upto 60m depth ending from the ground level

From 60m to 90m depth ending from the ground level

From 90m to 120m depth ending from the ground level

Reaming from 200 mm dia Pilot bore to 350mm dia Borewell as directed by Departmental officers

Upto 60m depth ending from the ground level

From 60m to 90m depth ending from the ground level

From 90m to 120m depth ending from the ground level

Supply and Delivery of unplasticised for plain PVC CM Casing pipes for the following dia in 3m length with screwed and Socket ends and centering guides for every 15m length of pipes as per IS 12818/1992 and as amended from time to time to suit deep borewells upto 80 m to 250m depth (CM) for delivery at site within ISI marking including loading unloading, freight, transit insurance and inclusive of all taxes etc complete. DN 200 mm Dia PVC (CM) plain casing pipes. (Page No 22 - 1.1(2)

Supply and Delivery of unplasticised for ribbed screen PVC Without Casing pipes for the following dia in 3 m length wtith screwed and socket ends and centering guide for every 15 m length of pipes as per IS 12818 /1992 and as amended from time to time to suit deep borewells for delivery at site within ISI marking including loading unloading, freight, transit insurance and inclusive of all taxes etc complete. DN 200 mm Dia Ribbed screen pipe. (Page No 22 - 1.1(3)

Charges for developing the Borewell with air compressor of 600 CFM capacity (Minimum 8 Hours) including transportation, labour and fuel charges for compressor as directed by TWAD Officers and conducting yield test by ‘V’ notch method.

Labour charges for inserting PVC casing pipes assembly (with slots or without slots) in the drilled hole including jointing the pipes with PVC couplers with cement paste etc. complete. Supply and packing the annular space with pebbles of size and quality as approved by the Department officers

200 mm OD casing pipes assembly.(Page No 201 - 13.-WD-W0830 )

200 mm/***m OD PVC End Plug

200 mm / *** MS Clamp Set

Bore Cover

Supply and delivery of vertical wet type submersible pumpset (5 HP) capable of discharging any of the following pumpset in 200 lpm against noted head in 125 m suitable for erection into the Bore well of 200 mm dia with stainless steel shaft, bronze impeller

Supply and delivery of 5.00 HP THREE PHASE PANEL BOARD STAR- DELTA WITH TWO LEVEL GUARD AND AUTO START Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ Three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter (65 mm dia) with suppressed scale

Supply and delivery of following materials as per ISI specification

50mm UPVC Pipe

50mm SS Adapter

50mm GI Pipe Medium B Class

50mm GI Elbow

50mm GI Coupling

50mm GI Union

50mm MS Clamp Set with bolt

Nylon rope (PWD SOR 2024-25- Page No.156,M-1072)

4.0 Sq.mm flat copper submersible cable

Labour charges for erection of new submersible pumpset 5.0 HP in the bore well including submersible cable etc.,

Extension of pipe line work 63mm dia pipe (Sub Est)

Earth work excavation and depositing on back with an initial lead of 10M and initial lift of 2M in hard stiff clay stiff block cotton sow hard red earth sheils murrams, gravel stoney earth and earth mixed with 50% fair sized boulders etc., complete. Foundation.

63 mm OD PVC 4 ksc pipe

Supply & Delivery of Rigid PVC pipes to a Standard length of 6m with one end socket and other end free the rate should inclusive of all taxes.

63mm OD PVC 4Ksc Pipe

Conveyance of Rigid PVC pipes trench with in a lead of 200m lowering into trench and laying to proper grade alignment jointing with PVC coupler with cement paste and testing to the required pressure including conveyance of water up to 1 km lead for filling during testing including cost of materials etc., complete.

63mm OD PVC 4Ksc Pipe

Refilling in the trench after the pipes are laid with excavated 3d earth (other than sand) complying with the standard specification as directed by the departmental officers, complete Qty as per item no13.48

63mm OD PVC 4Ksc Pipe

Supply and delivery of the following meterials

63 mm pvc coupler

63 mm pvc Tee

63 mm pvc Elbow

GST 18 % Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST 18 % Amount for total overall quoted amount above this row in column "BB" for all works in this package}

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