construction of 30000 Ltr OHT at vazhiyanchettikattalai near Mariyamman koil in Maruthur North Panchayat 15th CFC BP 2025-26

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, 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 TWAD Board 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 TWAD Board Officers. Below 1.5m from GL Column footing

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

10.98 m to 14.64 m above GL

14.64 m to 18.30 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 TWAD Board Officers. Plain Surface 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: 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

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 - upto 3.30m ht. - 11.30m to 12.30m

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 TWAD Board officers.

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 TWAD Board officers.

Providing Fusion Bonded Epoxy coting not lees then 175microns thickness and upto 300microns to reinforcement of all diameters as per IS 13620/1993 including testing of coating at plant.the cost is inclusive of cost on account of carefulhandling, PVC coated binding wires, tochup material supplied by coating agency, repair work, loading, unloaing and strengthening of bent rods etc., complete as per specification and as directed by the engineer in chrge. for 8mm to 16mm

Fabrication, supply, delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x 50mm x 6mm MS angle for both sides and for steps at 30cm C/C welded jointed etc ., for I staging from GL to 1st level brace (weight 4.5kg/m) IInd and IIIrd staging upto floor slab and IVth staging from floor slab to roof top. Supply, delivery and fixing of 32 mm GI pipes medium for hand rails from I stage to IVth stage. RCC M30 Grade mix for Landing slab 5 nos. at Ground Level- 1No. and above Ground Level - 4Nos. Supply and fixing of 32mm GI pipe medium for hand rails for the Landing slab. Supplying and fixing of MS Base plate of 100mm X 100mm X 6mm thick for fixing Anchore fastener bolt for fixing of hand rails at Landing slab and MS Ladder providing locking arrangements with two coats of approved enamel paint over one coat of red oxide paint as per approved Type Design and as directed by TWAD board officers.

ABSTRACT ESTIMATE FOR R.C.C INSIDE ACCESS LADDER FOR 3.00 M STORAGE DEPTH - R.C.C M 30 Design mix (one part SRC cement, 1.7 part sand and 3.2 part course aggregate) using 20 mm and 10mm size H. B.G stone (machine crushed) including mixing concrete using machanical mixer machine and vibrating with machanical vibrator, but excluding cost of steel reinforcement, fabrication and placing the grills in postion and the cost of centering and strutting but including curing, finishing etc., complete as directed by the TWAD Board Officers.

Supplying, fabricating and placing in position of RTS rods at all heights for reinforcement including the cost of steel and binding wire, labour charges etc., complete for all RCC works and as directed by TWAD Board Officers.

Centering for sides and soffits of R.C.C slab of plane surface for R.C.C floor slab including strutting upto 3.3 mt height using MS sheets of size 90cmx60cm and stiffend with welded MS angle of size 25mmx25mmx3mm laid over silver oak (country wood) joist

Fixing of RCC ladder from roof slab to floor slab etc., complete as directed by TWAD Board Officials

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

Supply and fixing of cut stone of size 0.60m x 0.60m x 0.10m in CM 1;3(one cement and three sand) below inlet pipe for Service Reservoir as directed by TWAD Board 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 TWAD Board 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 pipe for delivery pipe, 65mm GI pipes for over flow & rain water harvesting pipe

50mm GI pipes for scour pipe

90mm PVC Threaded coupler

63mm PVC Threaded coupler

65mm dia GI Tee

65mm dia GI bend 90

65mm dia GI bend (short)

65mm GI coupler

65mm GI union

65mm GI Elbow

50mm GI union

50mm GI Elbow

65mm GI Tee

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.

Fencing arrangements - Earthwork Excavting anddepositing on bank with initial lead of 10m & initial lift of 2m in hard stiff clay, stiff cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders SS 20B (SI No.50A) for foundation etc.,

Cement Concrete 1:4:8 (One Cement, Four M.Sand and eight hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including

Plain Cement Concrete 1:2:4 (one cement, two M.Sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete

Supply of Cut Stone Pillar of Size 0.15X0.15X2.10m AS Per SOR 2024 - 25 - Page No:19, Unique Code: M-0048

Supply and Fixing of Chainlink fencing 2"*2" using 10 Gauge galvanished iron wire and barberd wire using 10gauge two ply four ply Pronged galvanished iron wire and Supply of 14&18 Wire including all labour charges etc complete

Provision for Painting Cut Stone Pillar & Chainlink

Provision for Grill gate arrangements

Provision for Fixing Charges for fixing of pillar of Size 0.15X0.15X2.10m including all labour charges etc.,complete

Pipe line - Supply and delivery of PVC rigid pipes for potable water supply with ISI 4985 / 2000 marking with necessary couplers (or) bell ended pipes as specified in ISI, the required quantity of solvent cement and having the following working pressure. The cost of pipes should include loading, freight, transit insurance, incidental charges, packing, taxes and transportation charges upto stack yard in good condition etc., complete (the cost excluding unloading from lorries at stack yard and stacking which will be paid separately) and as directed by the Depatmental Officers. 63 MM PVC 4KSC PIPE (Sch of rate 2025 - 26, Page No.16, Unique code:WD-M0001)

Civil Works - Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.SS20B 63 MM PVC 4KSC PIPE (Sch of rate 2025 - 26, Page No.281, Unique code:WD-W0654)

Lowering PVC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste as per standard specifications and as directed by the Departmental Officers. 63 MM PVC 4KSC PIPE (Sch of rate 2025 - 26, Page No.263, Unique code:WD-WD-W0424)

Refilling with excavated earth (other than sand) in respect of following sizes of pipes watered well rammed and consolidated etc. complete complying with standard specification for filling the trenches after the pipes and specials are laid, jointed and tested and as directed by the Depatmental Officers. 63 MM PVC 4KSC PIPE

Labour charges for Cutting and Threading of GI pipes (Sch of rate 2024 - 25, Page No.34, Unique code:W-0133) 50 MM GI Pipe Cutting

Supply of PVC specials as per BIS 10124/1988 Part 1 to 13 &BIS 7834/1975 with ISI Marks to site of works PVC Elbow 63mm (Sch of rate 2025 - 26, Page No.241)

PVC Tee 63mm (Sch of rate 2025 - 26, Page No.241)

PVC End Cap 63mm (Sch of rate 2025 - 26, Page No.241)

PVC Reducer coupler 63 x 50mm (Sch of rate 2025 - 26, Page No.22, unique code : WD-M0077)

Supply and delivery of GI specials to site of work as per IS specification with ISI marking - GI Elbow 50mm (Sch of rate 2025 - 26, Page No.60)

G.M GATE VALVES AS PER IS BS 5154 and related IS Specifications - GM Gate Valve 50mm (Sch of rate 2025 - 26, Page No.62)

Provision for Name board and Photographic Charges

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} 18% for other than Earth Quantity

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