Construction of 30000 litre capacity OHT ( 12 M stage ) at West street and EPL 110 M in Umarikottai village and panchayat. (Source Existing Borewell and Openwell in Umarikottai)

Construction of 30000 litre OHT ( 12 M stage ) at west street and Extension of pipe line 110 M in Umarikottai Village and Panchayat.

Earth work excavation and depositing on bank with initial lead 10m and lift of 2.0m in the following classification of soils, bailing out water wherever necessary including providing danger lights etc., and as directed as per specification SS 20B and special specification. in Hard rock Rock requiring blasting as per standard specifications and as directed by the Engineer.

First depth of 2m for column foundation

Second depth of 2m for column foundation

Sand filling for foundation with river sand including consolidation ramming etc. complete as per standard specifications and as directed by the Engineer-incharge

a) for column foundation

Plain Cement concrete 1:4:8 (one cement, four sand and eight course aggregate of 40mm size hard blue granite broken stone) for levelling course for foundation including the cost of mixing, placing the concrete in position, consolidating finishing and curing etc., complete and as directed for works beyond 1.50m and upto 4.50m depth below ground level.

a) for column foundation

RCC 1:1.5:3 (One cement, one and half sand and three aggregates) using 20mm HBGS excluding cost of reinforcement, centering, shuttering strutting, but including cost of mixing concrete, placing, vibrating with mechanical vibrator, finishing, curing etc.,

(i) below 1.50m to 4.50m depth from G.L for Footing