Construction of new 10000 litre capacity of OHT, Borewell and Pump set to Irular area in Sogandy Panchayat in Sriperumbudur Panchayat Union Est Amount .Rs.14.00 Lakhs having PKG No. TNKPM 03/2022-23

Amount

Construction of OHT 10000 Lt capacity - 12 m staging height

Earth work excavation & depositing on bank with an initial lead of 10 metre & initial lift of 2 metre in Hard shift clay, stiff block cotton, hard red earth shales, murrum, gravel, stoney earth, and earth mixed with small size boulders and hard gravelly soil (SS 20B) for foundation including shoring, strutting, baling out water providing danger light wherever necessary depositing the surplus earth on bank and other incedential charges etc., complete and as directed by departmental officers - First depth of 2m From 0 to 2 m below GL

In hard stiff clay, stiff black cotton soil, hard red earth, sales, murrams, gravel, stoney earth, earth mixed with small sized boulders and hard gravelly soil S.S.20B - Second depth of 2m From 2m to 4 m below GL

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

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge) for foundation and footing including mixing, placing, ramming ,finishing curing etc. complete in accordance with standard specification and as directed by the departmental Officers.

Reinforced Cement Concrete Mix M30 grade using 10mm & 20mm Hard blue granite Broken stone (machine crushed) excluding the cost of RTS rods for reinforcement and centering, strutting, shuttering but including cost of all materials mixing, laying, Vibrating the concrete with mechanical vibrators, ramming, consolidating, finishing and curing etc., Complete and as directed by the departmental Officers.

Below 1.5m from GL

0m to 1.50m below GL

0m to 4.50m above GL

4.50 m to 7.32 m above GL

7.32 m to 10.98 m above GL

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG10 stiffened with MS angle of size 25 X 25 X 3 mm for boarding laid over I type MS Truss of size 25 X 25 X 3mm about 90cm c/c and supported by 40mm GI pipes (Medium) spaced at 75cm c/c etc complete and as directed by the departmental Officers.

Plain Surface

Below GL

From GL to 3.30m

From 5.30m to 6.30m above GL

From 6.30m to 7.30m above GL

Curved Surface - upto 3.30m ht.

Upto 3.30m height

Square Column:

Square Column Below GL and upto 3.30m above GL

3.31m to 4.30m ht

4.31m to 5.30m ht

5.31m to 6.30m ht

6.31m to 7.30m ht

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 Departmental officer) and as directed by the departmental officers.

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.( The steel should conform to the relevant ISspecification and supplied with test certificate Fe. 415 grade as per IS specification No.1786/1985 and as amended from time to time) delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, taxes etc. complete.and as directed by the departmental officers.

Fabrication , Supply,delivery and fixing of Outside MS Ladder of 45 cm clear wide made out of 50mm x 50mm x6mm MS angle for both side and steps at 30 cm C/C welded jointed etc.., for I stage from GL to I st level brace (Weight 4.50kg/m) II nd and III rd staging upto floor slab and IV th staging from Floor slab to roof top . supply and delivery and fixing of 32mm GI pipes medium for hand rails from I stage to IV th Stage . RCC M30 Grade mix for landing slab 5 nos . at ground level 1 No and above GL - 4 nos . supply and fixing of 32mm GI Pipe medium for hand rails for the landing slab . Supply and fixing of MS Base plate of 100mm x100mm x6mm thick for fixing anchore fastener bolt for fixing of hand rail at landing slab and MS ladder providing locking arrangement with two coats of approved enamel paint over one coat of red oxide paint as per approved type design etc.,

Providing and fixing RCC inner access ladder inRCC 1 : 11 / 2.\:3 (one cemnt, one and half sand and three agggregate) using 20 mm HGB stone for OHT including cost of reinforcement placing grill in position, centring, shuttering charges, mixing concrete curing etc., to required height and clear width of 45cm cosisting of 2 nos of vertical post of 10 cm x 15 cm and step slab of 25mm x 25mm etc complete.

Providing 110mm PVC vent cowl arrangements mosquito proof nylon net and as directed by departmental officers

Supply and fixing of cut stone of size 0.30m x 0.30m x 0.15m in CM 1;3(one cement and three sand) below inlet pipe for Service Reservoir as directed by departmental Officers.

Providing manhole cover of size 0.60 x 0.60M in RCC 1:1.5:3 with suitable reinforcement and 50x50x6mm MS angle fixed along edges and as directed by departmental officers

Pipe connection arrangements for inlet,outlet,scour and overflow etc. including cost of pipes,specials,valve,labour charges for lifting, aligning, cutting, threading ,fixing and painting of GI pipes with two coats of approved quality enamal paint etc. complete as detailed below.

65mm GI pipes for inlet connection

65mm GI pipes for over flow & rain water harvesting pipe

50mm GI pipes for scour pipe

65mm GI pipe for delivery pipe

90mm PVC Threaded coupler

63mm PVC Threaded coupler

65 mm GI Tee

65mm GI coupler

65mm GI union

65mm GI Elbow

65mm GI Flangeset

50mm GI Flangeset

50mm GI union

50mm GI Elbow

65mm GI Tee

65x50mm GI reducer

65mm GM gate valve

50mm GM gate valve

63 mm PVC 4Ksc Pipe

80x65mm GI Tee

Refilling the foundation with excavated earth including consolidation as directed by the departmental officers

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

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

Provision for Borewell

Charges for Conducting Geo Physical Survey

Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site ( Site will be shown by the TWAD Board Officers) including construction of mud pit.

0m to 60m depth

60m to 90m depth

90m to 120m depth

120m to 150m depth

Reaming of 150mm Dia Borewell to 300mm Dia Borewell as directed at site Including all other labour charges etc complete.

0m to 60m depth

60m to 90m depth

90m to 120m depth

120m to 150m depth

Labour charges for inserting casing pipe supply & packing of pebbles

Supply & delivery of 150mm Dia PVC Plain Casing pipe as per IS 12818 / 2010

Supply & delivery of 150mm Dia PVC Slotted Casing pipe as per IS 12818 / 2010

Supply & delivery of 150mm Dia PVC End cap etc complete

Charges for developing the borewell using air compressor in hours

Construction of Bore pit including all other labour charges etc complete

Provision for Pumpset

Supply and delivery of vertical wet type submersible pumpset (5 HP) capable of discharging any of the following pumpage in lpm against noted head in m suitable for erection into the bore well/Inf. well / open well with stainless steel shaft, bronze impeller and starter.

Supply, delivery and erection of Submersible Pumpset of 50 LPM X 200 Head

Supply and delivery of 3 phase Panel Board D.O.L with two level guard and auto start confirming to IS specification for 5 HP pumpset.

Supply, delivery of 1.1 KV Grade,PVC insulated and sheathed 3 core flat copper submersible cable with ISI marking conforming of IS 694/1990 of reputed make for submersible motor erected in borewell.

4.00 Sq.mm 3 core Copper Cable

Supply and delivery of GI medium class pipes and specials as per relevant IS as listed below.

50mm GI Pipe (3m) length Medium

50mm GI Coupling Heavy (jack Thread Type)

50mm GI Elbow Heavy

50mm GI Flangeset Heavy

50mm MS Clampset Heavy

50mm GM Non Return Valve

65 mm x 50 mm GI Reducer Heavy

90 mm x 80 mm PVC Threaded Coupler

50mm GM Gate Valve

Labour charges for erection of submersible pump set including fixing and jointing the submersible cable with clamps to the required depth, valves and errection panel board control room twin earthing as per I.E Rules including cost of civil works

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}

VASANTHAKUMAR