CONSTRUCTION OF 30,000 LITR OHT AT APPALAI VILLAGE IN NATTUCHERRY PANCHAYAT

Amount

Construction of 30,000 Litr OHT at Appalai Village in Nattucherry Panchayat

Earthwork excavation and depositing on bank with an initial lead of 10 m and lift of 2m in following classification of soils for foundation SS 20B as directed by TWAD Board officers.

Sand filling with clear river sand including cost of sand watering, ramming and consolidation etc. complete as directed by TWAD Board officers

Cement concrete 1:4:8 (One cement four sand and eight aggregates) using 40mm HBGS for leveling course including the cost of mixing concrete, ramming, curing etc. complete as directed by TWAD Board officers (Beyond 1.50 m to 4.50 m)

RCC M30 using 20mm 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 TWAD Board officers

Below GL

Supplying and erecting steel centering for sides and soffits including necessary supports and shuttering to the required height for RCC items using MS sheets or suitable size of BG 10 stiffened with welded MS angles of size 25mm x 25mm x 3mm of boarding, laid over Silver Oak joists of size 10cm X 6.5cm space at 10cm c/c and supported by Casurino Props 10cm - 13cm spaced at 75cm c/c etc., complete and as directed by TWAD Board Officers.

Plane Surface

Below G.L. items

Sq Column

Curved Surface

Floor Slab

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 TWAD Board officers.

Supplying fabricating and placing in position of HSD steel rods for reinforcement including the cost of steel and binding wire etc.

Fabrication, supply, delivery and fixing of outside MS ladder wide 45cm made out of 50x50x6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre with hand rails

Providing and fixing of RCC inner access ladder in M30 concrete for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc., complete 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

75mmx63mm PVC reducer

65mm GM gate valve

50mm GM gate valve

63 mm PVC 4Ksc Pipe

Refilling with excavated Soil (other than sand) in layers of not more than 15cm thick, watering, well ramming, consolidating, complying with standard specification and as directed by TWAD Board Officers.

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 TWAD SOR 2022-23 Pg No. 296

Supply of unplasticised PVC rigid pipes as per BIS 4985/2000 with ISI Marking to site of works

Conveying the PVC Pipes and specials to trench lowering into the trenches, laying to proper grade and alignment, Jointing with PVC coupler and specials fixing with Solvent cement paste and testing to the required pressure as per IS including conveyance etc

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.

a.75mm PVC Bend

b.75mm PVC Tee

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}

KR CHANDRAN