Details: part a :- cleaning of over head service reservoir ( ohsr ) of below mentioned capacity including removal of all silt from reservoir, scrapping of walls, disinfection of reservoir after cleaning and disposal of silt up to 1.00 km lead and painting the date of cleaning on the reservoir. 50 to 100 kl 101 to 200 kl 201 to 300 kl 301 to 400 kl 401 to 500 kl 501 to 600 kl 601 to 700 kl 701 to 800 kl 801 to 900 kl 901 to 1000 kl 1001 to 1100 kl 1101 to 1200 kl replacement of existing wire mesh on ventilators of glrs, ohsrs, cwrs etc. with 16 mm dia ms vertical bars placed at 10 cms wherever required, having 16-gauge wire mesh with a inner base of expanded jali welded around with vertical bars taking out with care the m.s. iron ladder fixed at ohsr , repairing, welding etc and fixing back at reservoirs including all labour and material. replacement of existing copper float dia 300 mm and iron counter weight for water level indicator
Sector: Water supply and Sewerage