Construction of a one lakh liter and 60000 liter OHT (SF.No.344/10,344/11) and in Karungal Town Panchayat.

Amount

Earth work excavation for foundation (for narrow excavation) in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification.

For 1st depth of 0 m to 2 m

In hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravel, stoneyearth and earth mixed with small sized boulders

Outer & Inner Column

G.L. brace

SDR - (Not Requiring Blasting) Earth work excavating and depositing on bank with initial lead of 10 m & initial lift of 2m in Soft disintegrated rock, laterite, soft rock or kankar, not requiring blasting

Total

Cement Concrete 1:4:8 (One Cement, Four crushed stone sand and eight hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick, well rammed, consolidated and curing etc. complete complying with standard specification

Providing and laying in position,Standardised Concrete Mix M-30 Grade in accordance with IS:456-2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cementcontent of 400 kg/m3 and maximum water cement ratio of 0.45, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete,

Beyond 1.5 m below GL

Upto 1.5 m below G.L.

Upto 4.50 m ht. Above G.L.

From 4.50 m to 7.32 m ht. From G.L.

From 7.32 m to 10.98 m ht. From G.L.

From 10.98 m to 14.64 m ht. From G.L.

Outer column 14.64-15.35 m

From 18.3 m to 21.96m

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 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 abote 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 specificaiton. (Payment for centering shall be given after the concrete is laid)

Square Column

Column 0 to 3.3m ht above GL and below GL

Column above 3.3m to 4.3m ht from GL

Column above 4.3 m to 5.3m ht from GL

Column above 5.3 m to 6.3m ht from GL

Column above 6.3 m to 7.3m ht from GL

Column above 7.3m to 8.3m ht from GL

Column above 8.3 m to 9.3m ht from GL

Column above 9.3 m to 10.3m ht from GL

Column above 10.3 m to 11.3m ht from GL

Column above 11.3 m to 12.3m ht from GL

Column above 12.3 m to 13.3m ht from GL

Column above 13.3 m to 14.3m ht from GL

Column above 14.3 m to 15.3m ht from GL

Column above 15.3 m to 16.3m ht from GL

Plain surface

Below GL upto 3.3m above GL

Column footing

0 m to 3.3m ht from floor level

Column footing

3.3 m to 4.3m ht from GL

Brace -I set

7.3 m to 8.3m ht from GL

Brace -II set

11.3 m to 12.3m ht from GL

Brace -III set

15.3 m to 16.3 m from GL

circular Column

Column 0 to 3.3m ht above GL and below GL

circular Column

Column 3.3 to 4.3m ht above GL

circular Column

Column 4.3 to 5.3m ht above GL

circular Column

Column 5.3 to 6.3m ht above GL

circular Column

Column 6.3 to 7.3m ht above GL

circular Column

Column 7.3 to 8.3m ht above GL

circular Column

Column 8.3 to 9.3m ht above GL

circular Column

Column 9.3 to 10.3m ht above GL

circular Column

Column 10.3 to 11.3m ht above GL

circular Column

Column 11.3 to 12.3m ht above GL

circular Column

Column 12.3 to 13.3m ht above GL

circular Column

Column 13.3 to 14.3m ht above GL

circular Column

Column 14.3 to 15.3m ht above GL

circular Column

Column 15.3 to 16.3m ht above GL -Curved surface

circular Column

Curved surface

From 0 to 3.3m from floor level

circular Column

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Supplying and painting the walls with two coats of cement paint over one coat of cement primer as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications (The colour and shade of the cement paint shall be got approved by the Executive Engineer before use of work).

Supplying and fixing of cutstones size 0.45x 0.45x0.15m in CM 1:3 below the inlet pipe

Providing RCC inside ladder as per approved design

Providing RCC spiral staircase as per approved design

Providing RCC hand rail of 1.2 m height around the top of the roof slab

Supply, delivery and fixing in position of RCC manhole of size 0.60 m x 0.60 m including locking arrangement, cost of materials etc. complete and as directed by the Depart. officers.

Providing ventilating arrangements over roof slab and roof dome of S.R.

Supply, delivery and fixing of pipes for OHT connections including civil works 100mm CI PIPE for inlet, outlet, overflow and 100mm CI pipe

Inlet

OUTLET

Scour

Overflow

Labour charges for Painting TWAD Board Emblem in accordance with the size and specifications as approved by the Board on the Service Reservoirs including cost of all consumables, one coat of base paint, scaffolding charges including painting NRDWP Logo on the Service Reservoirs. (TWAD SOR 2022-2023, Pg 299)

Earth work excavation for laying of various type / size of pipes in hard stiff clay, stiff block cotton soil, hard red earth shales murrams, gravel stoney earth and earth mixed with small sized boulders and hard gravelly soil and depositing on bank with an initial lead of 10M and initial lift of 2m including shoring, strutting bailingout water from the trenches wherever necessary and all other incidental charges such as barricading providing danger light etc., complete and as directed by the TWAD Board Officers.-Pg.no.08

Lowering the following size of DI K7 Class / HDPE pipes and specials into the trenches and laying to proper grade and alignment etc. complete and as directed by the TWAD Board

Jointing the DI pipes and specials with Mechanical joint collar , nuts, gasket and fixing in position ,including cost of all labour charges, conveyance, handling, all incidental charges, etc. as directed by the TWAD Board Officers. For the following pipes

Testing of following DI pipes / PVC pipes wiith hydraulic testing equipment by fuilling with water (including cost of water @ Rs.60/KL) and testing to recommended pressure in convinient stetches and attending the bursts if any occured during the tests, excluding cost of pipes, including other incidental and operational charges etc., complete as directed by TWAD Board Officers.

Construction of masonry valve pit for fixing Sluice Valve, Scour valves etc as per type design No.9/43. The foundation will be in PCC 1:4:8 and brick work in C:M 1:5 Plastering in cm 1:3 12mm thick and the pit provided with 100mm thick RCC1:11/2:3cover slab. The rate should include earth work excavation in various soils met with at the site of work, refilling the pit after theconstruction of pit, cost of levelling course, brick work, plastering, cut stone RCC cover slab, cost of reinforcemet, fabrication charges and fixing the valves in position inside the pit, laying and jointing of C I pipes and specials etc., complete. The Jointing materials such as bolts nut washers, rubber insertion sheets white lead have to be procured and utilised by the contractor at his own cost etc., complete and as directed by the TWAD Board officers.

Supply and delivery of HDPE pipe and specials by buut fusiion welding lalbur wela joints using fusion cairpments. As per ISO 2130 -2013 as per 137674 part 2012 Inchding cost of hirecharges for butt caiput arrangement etc. completed as per by TWAD

Supply and fixing of GI B class Pipes and specials including cost and conveyance of materials site.

90mm PVC pipe - Pg.no.19

90mm PVC Elbow - Pg.no.25

90mm PVC Seddle - Pg.no.24

90mm GI Elbow Pipe - Pg.no.45

90mm GI Pipe - Pg.no.41