Construction of a 10000 litre OHT ( 7.50m STAGING HEIGHT ) at Vadaveekkam AD Colony in Thandalai Panchayat in Jayankondam block in Ariyalur district under JJM,NABARD,RIDF XXIX 2024-25

Amount

Earth work excavation and depositing on bank with an initial lead of 10m and initial lift of 2m in Sand or other loose soils, wel sand, not under wter, silt light black cotton soil, sandy loom and ordinary soil - SS 20B et complete as directed by officers

Supply and filling of foundation and basement with clear river sand in layers not exceeding 15cm thick, well rammed alround and consolidated including watering etc. complete complying with standard specification as directed by officer.

Plain cement concrete 1:4:8 (one cement four sand & eight course aggregate) using 40 mm H.B.G. stone for foundation including cost of cement mixing concrete laying, consolidation and curing etc. complete as directed by officers.

Reinforced cement concrete 1:1½:3 (one cement, one and half sand, three course aggregate) using 20mm size hard blue granite stone (machine crushed) excluding cost of reinforcement, fabrication and placing the grills in position and excluding cost of cente From 1.50m Below GL Column footing

From 0 to 1.50m below GL

From 0 to 4.50m Above GL

From 4.50m to 7.32 Above GL Column, floor beam, slab and side wall

From 7.32m to 10.98m Above GL

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 90cm x 60cm and stiffend with welded MS angle of size 25mm x 25mm x 3mm laid over silver oak (country wood Plain surface Below GL for Individual footing and GL Brace

From 0 to 3.3m Middle brace and roof bottom

From 3.30m to 4.30m for flooe beam

From 6.31 to 7.3m for flooe beam and floor slab

Square Column Below GL 0 to 3.30m

5.31m to 6.30m ht

6.31m to 7.30m ht

Curved Surface From 0 to 3.3m Above GL for side wall and roof

Painting two coats of cement paint of approved cement paint coat cover cement plastered exposed surface of the reservoir including cleaning, preparing the surface and curing etc., complete and as directed by the Officers.

Supply fabricating and placing in position of RTS grills at all heights for reinforcement including cost of steel for all works and labour charges including cost of binding wire etc., complete for all RCC works and as directed by Offices.

Providing M.S Ladder of 45cm wide made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30 cm centre to centre etc as per approved design

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (One cement, one and half sand and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc complete

Providing A.C. Cylindrical Cowl - 100mm di arrangements mosquito proof nylon net and as directed by TWAD Board officers SOR P-159

Providing cut stone slab in CM 1:3 of size 0.3 m x 0.3 m x 0.15 m and 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

Supply and delivery of following sizes of FRC Manhole Covers / Frames to stores as per IS 12592:2002 to its latest revision with reinforcement details for covers and frames

Provision for pipe connection arrangements for inlet, outlet scour and overflow etc. including cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enam 50mm dia GI pipe

50mm GI Elbow

50mm GI flange set

50mm dia GI Coupling

0.849 C r0.63 s0.54 PVC Threaded coupler

80mm dia GI pipes

90mm dia PVC Threaded coupler

80mm dia GI Tee

80mm dia GI Elbow

80mm dia GM Gate valve

80mm dia GI Flangeset

80mm dia GI Coupling

80mm dia GI Dummy

90 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.

Earth work excavation in all types of strata for laying of pipes with the standard trench width as per Bd .Circular No. 28/ AE10/ P&D/ 2001/ dt. 01.10.2001 and JCE (P&D)/ Lr.No. LM/ AE10/ P & D/ 2001/ dt.22.11.2001( Page-274)

Supply of unplasticised PVC rigid pipes as per BIS 4985/2000 with ISI Marking to site of works ( Page-21)

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.( Page-248)

Refilling with excavated soil complying with standard specification in layers of 15 cm thick well rammed and consolidated after pipes and specials are laid and tested.( Page-274)

Towards the cost of Name Board provision

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}

DURAIMARAN S (BID ID -1095128)