Construction of 30000 Litre OHT with Providing Pipe Line Extension of Illuppakudi habitation in Kattavilagam Panchayat in Thiruvadanai Panchayat union

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 M 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.

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

10.98 m to 14.64 m above GL

14.64 m to 18.30 m above GL

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 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

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 of newly plastered wall surface with ready mixed plastic emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

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.

Providing and fixing of RCC inner access ladder in RCC 1:11/2 :3 (one cement,one and half sand and three aggregate) using 20mm HBG 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 45 cm consisting of 2 nos. of vertical post of 10 cm x 15 cm and step slab of 25mm x 25mm etc.complete and as directed by TWAD Board Officers.

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 0.30m 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.

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

Painting TWAD Board emblem on the SR with enamel paint as per Board's specification and as directed by TWAD Board officers

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

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 (Heavy)

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.

Earthwork Excavation in narrow trenches or laying and joijting of pipes and specials and depositing on bank with an initial lead of 10 m and initial lift of 2 m in hard stiff clay. Still black cotton, hard red earth shales murrams hard gravel soil including shoring strutting lighting and watching and tested etc., complete as directed by RDDA officers.

Refilling with excavated earth after the pipes are laid jointed and tested including watering ramming and consolidation etc., Complete as directed by RDDA., Officers

Supply Deliverry of PVC Pipes to confirm to ISI Specification and as amended from time to time 63mm OD PVC 4 KSC Pipe

Conveyance of the PVC Pipes to site and lowering into trenches laying to proper grade and alignment jointing with PVC Couplers with cement paste including cost of fixing specials (Specials should be supplird by the contractor) and testing the required pressure including conveyance of water upto 1.00 KM lead for filling curing testing as directed by RDDA., Officers 63mm OD PVC 4KSC Pipe for P'Main

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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