CERTAIN REPAIRS / REPLACEMENT OF FILTER MEDIA FILTRATION PLANT NO 1, 2 AND 3 AT INFANTRY LINES JAMNAGAR

Amount

M&L for taking out existing sand and filter Media at Filteration Plant and depositing near site at a distance more than 100 m apart from the starting point all as directed by Engr-in-charge.

Taking out existing gravells/Pabbles of any size from Filter bed at Filteration Plant and stacking properly for cleaning/washing and regradation for reuse all as specified and directed by Engr-in-charge.

M&L for washing complete, cleaning of gravells/pabbles of any size including removal of rejected gravells seprated at site and remaing gravells washing with high pressure water and grading out in the following sizes including back filling stacking in filter bed all as specified and directed .

M&L filling and laying of sand filter media in filter Bed of filteration Plant all as directed by Engr-in-charge and specified :-

(a) white quartz sand 0.81 to 1 mm size graded

(b) white quartz sand 0.61 to 0.8 mm size grded

(c) white quartz sand below 0.6 mm size grded

M & L for preparation of old painted iron surfaces of any description n exc 10 cm in width or grith and applying two coat of synthetic enamel paint over a coat of red oxide primer on iron surfaces all as specified and directed .

jitendra c joisar