annual maintenance contract of ro plantd at various bops in aor of 123 bn, 194 bn, 93 bn and 56 bn bsf under shq bsf gandhinagar; 1 providing and fixing filter of size 10 2 providing and fixing filter of size 20 3 providing and fixing flexible pvc pipe of size 3 / 8 4 providing and fixing flexible pvc pipe of size 1 / 4 5 providing and fixing flexible upvc pipe of size 3 / 4 6 providing and fixing elbow of size 3 / 8 7 providing and fixing elbow of size 1 / 4 8 providing and fixing tee of size 1 / 4 9 providing and fixing tee of size 3 / 8 10 providing and fixing high pressure pump 11 providing and fixing row water pump 12 providing and fixing union 3 / 8 13 providing and fixing tee 3 / 8 14 providing and fixing 1 / 4 lqc 3 / 8 15 providing and fixing uf filter 16 providing and fixing wound 20 17 providing and fixing cto 20 18 providing and fixing post carbon 10 19 providing and fixing ragulator 20 providing and fixing upvc pipe 1 / 4 21 providing and fixing 0.5 hp raw pump 22 providing and fixing membran housing jumbo 23 providing and fixing buster pump 24 providing and fixing jumbo circuits 25 providing and fixing 0.5 hp motor pump 26 providing and fixing dc motor pump 27 providing and fixing candle 28 providing and fixing filter 29 providing and fixing carbon 30 providing and fixing spun 20 31 providing and fixing mambran 32 providing and fixing 150 gpd pump 33 providing and fixing lqc 1 / 4 34 providing and fixing housing elbow 35 annual inspection of all ro plants of 123 bn, 194 bn, 93 bn and 56 bn bsf ( thrice in a year ) including checking of all fittings / fixtures, against leakage, checking of electrical connection, water supply connection, tightening of all water connections, back washing, cleaning of membrane, checking of pvc connected pipe items of ro plant, checking of tds etc. ( 24x2=48 nos )