Construction of 30000 Ltr OHT at Koothanur Mela Theru in Enanallur Panchayat

Construction of 30000 Litre OHT at Koothanur Mela Theru in Enanallur 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 dept. 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

First depth of 2m From 0 to 2 m below GL

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.

Plain 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.

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 dept. officers.

For Footing below G.L. (1.50 to 4.50 below GL )

For Column and Brace upto G.L ( 0 to1.50 below GL )

For Column and Middle brace 0 to 4.5m from GL

Supplying and erecting Centering and Shuttering for soffits including necessary supports and strutting up to 3 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at about 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specification.(Payment for centering shall be given after the concrete is laid).

Below GL

From GL to 3.30m

From 5.30m to 6.30m above GL

From 8.30m to 9.30m above GL

From 11.30m to 12.30m

Square Column

0m to 3.30m ht

3.31m to 4.30m ht

4.31m to 5.30m ht

5.31m to 6.30m ht

6.31m to 7.30m ht

7.31m to 8.30m ht

8.31m to 9.30m ht

9.31m to 10.30m ht

10.31m to 11.30m ht

11.31m to 12.30m ht

Curved Surface

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.

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 dept. 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 10,000 lit. capacity OHT of suitable inclined length, including bottom anchorage and transportation and as directed by dept. 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 2Smm x 25mm etc., complete and as directed by dept. officers. Providing PVC ventilating arrangements mosquito proof nylon net with 1l0mm PVC pipes and cowl and as directed by dept. officers. Providing cut stone slab in CM 1:3 and as directed by dept. officers.

RCC 1:1.5:3 (one cement,one and half sand and three 20mm HBG stoneexcluding the cost of reinforcement and centering and shuttering but including curing finishing, etc.complete

Supply, fabrication, placing in position of steel rods cutting tying etc.complete including cost of reinfor cement RTS rods

Centering, for soffits of RCC works including strutting shuttering charges etc. complete

Labour charges for lowering and fixing of RCC ladder inside the OHT

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 TWAD Board Officers.

Supplying & fixing of water tight manhole frame and cover of size 0.60mx0.60m with suitable reinforcement and 50x50x6mm MS angle fixed along edges and as directed by the Department 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)

Labour charges for lowering and fixing of RCC ladder inside the OHT

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

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

65mm dia GI Tee

65mm dia GI bend

65mm dia GI bend

65mm GI coupler

65mm GI union

65mm GI Elbow

50mm GI union

50mm GI Elbow

65x50mm GI reducer

75mmx63mm PVC reducer

65mm GM gate valve

50mm GM gate valve

63 mm PVC 4Ksc Pipe

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board 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.

Provision for Water meter, Dirt Box including erection charges.(10147+3291+3817)

Cholorinator

Name Board

Supply and Delivery of 3 phasewith motor as per ISI (50x100) 5HP 3 phase (98) (110) head including panel board consist of following relay, contact, condenser, volumeter and ammeter suitable for the above pumpset (50403+16810) WD-M1618

Pump Room

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 TWAD board Officers

Levelling course with P.C.C 1:4:8 (one cement, four sand and eigth course aggregate) using 40 mm H.B.G stone including mixing concrete, laying, curing and compacting of concrete etc., complete and as directed by the TWAD Board Officers.

Earthfilling in basement with excavated earth including ramming & consolidation etc., complete

Supply and filling the foundation and basement with clear river sand in layers complying with standard specification including consolidation and watering etc. complete and as directed by TWAD Board Officers.

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

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.

Special ceiling plastering for 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.

finished with Cement mortar 1:3 (one cement and three sand) 20mm thick including labour charges for mixing,finishing and curing etc. complete and as directed by TWAD Board Officers.

Supply and fixing of MS door (Single leaf) of sizes 0.9 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.

Pressed Tiles Laying Over RCC Roof Without Weathering Course including fixing one coarse of pressed tiles etc., complete.

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}