Construction of 60000 Litre Sump with water supply arrangements at Vairavikinaru in Koodankulam Village Panchayat in Radhapuram Panchayat Union

Amount

Construction of 60000 litre Sump

Earth work excavation and depositing on bank with an initial lead of 10m and initial lift of 2m for foundation including shoring, strutting wherever necessary including hand bailing out water and all other incidental charges. etc. complete as directed by TWAD Board Officers as detailed below.

First depth of 0-2 m

Supply and filling the foundatiion and basement with clear river sand in layers complying with standard specification including consolidation and watering etc. complete and as directed by TWAD Board Officers.

Plain cement concrete with P.C.C 1:4:8 (one cement, four sand and eigth course aggregate) using 40 mm H.B.G stone for levelling course including cost of mixing cement, placing, ramming and curing etc., complete as directed by the TWAD Board Officers.

R.C.C M 30 Design mix (one part 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.

Beyond 1.5m and upto 4.5m belo GL

upto 1.50m below GL

upto 4.5m above GL from GL

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 for plane surface / curved surface including strutting upto required height using MS sheets of size 90cmx60cm and BG 10 gauge, stiffend with welded MS angle of size 25mmx25mmx3mm laid over silver oak (country wood) joists of size 10cmx6.5cm (space at about 90cm c/c) and supported by casurina props of 10cm to 13cm dia spaced at 75cm c/c complying with standard specification etc., complete as directed by the TWAD Board Officers for the following items

Plain surface

Curved surface

Curved surface(round column)

for 3.3-4.3 Plane surface

Providing and fixing of cut stone (Rough dressed) set in CM 1:3 of size 0.45 X0.45 X 0.15M at site including cost ofall materials, labour charges, curing etc., complete and as directed by TWAD Board Officers.

Supply and delivery of PVC cowl 110mm dia

Supply and fixing of CI manhole power with frame of size 0.60m x 0.60m (heavy duty)with locking arrangements as directed by TWAD Board Officers. The manhole cover frame and cover should be light weight conforming to IS 1726 / 1974

Providing pipe connection work for SR .Rate including supply & laying of pipes, specials and valves etc.,complete and as directed by TWAD Board Officers.Vide Seperate Sheet

Supply and fixing of R.C.C ventilators with wire mesh.

Supplying and fixing RCC ladder inside the sump

Supplying and fixing MS ladder out side the sump including painting

Refilling the outside of the sump with excavated earth(other then sand) complying with standard specification for filling the foundation including watering consolidation etc., complete as directed by the TWAD Board Officers.

Colour washing two coats using cement paint including labour charges as directed by department officers

Construction of 100000 litre Sump

Geophysical investigation charges

Drilling of 150mm dia deep borewell in overburden soil including labour charges and transportation charges

Drilling of 150mm dia deep borewell in hard rock area including labour charges and transportation charges

Supply and delivery of 150mm dia CS casing pipe

Supply and fixing of R.C.C ventilators with wire mesh.

Supply and delivery of 50mm UPVC Column pipe.

Supply and delivery of 3 phase 5HP submersible motor of duty condition 50Lpm x175m head

Supply and delivery of 5HP 3 phase panel board

Supply and delivery of 75mm PVC Pipe

Earthwork excavation and depositing on bank with initial lead and lift of 10m including all cost etc complete.

Refilling with excavated soil other than sand including all cost and all labour charges etc complete.

Laying and jointing of 75mm PVC Pipes and specials etc complete.

Supply and delivery of 4sq.mm 3 core copper cable

Supply and delivery of MS Kiosk of size 0.75m x 0.45m x 0.75m made up of MS angle of size 50mm x 50mmx 4mm alround covered with 16 gauge MS sheet and kiosk door made up of MS plates of size 25 mm x 3 mm including cutting, welding, grinding, locking arrang

Labour charges for erection of new 5HP submersible pump set in the borewell and commissioning

Mathan kumar (BID ID -1219232)