supply delivery and fitting fixing chlorine machine spares at different water supply scheme in arambag haripal goghat i and ii sankrail block in hooghly and howrah district under electrical division phe dte electro mechanical works--- 1 supply & delivery at site following materials:- 2 15 mm dia flexible pvc pipe for supply chlorine solution. ( approved make ) 3 g.i. short piece of tata make ( above 50mm & upto150 mm long ) 4 15 mm dia gi elbow 5 15 mm dia tail piece 6 15 mm dia powder coated metal clamp 7 15 mm dia fabt ( upvc ) 8 15 mm dia long screw ( g.i. ) 9 15 mm dia nrv ( approved make ) 10 coupling rubber 11 bearing ( skf ) 12 diaphragm 13 oil ring ( approved make ) 14 ball set ( approved make ) 15 mobil mak gold ( make - castrol ) 16 15 mm dia gunmetal wheel valve of approved brand & make to 21 kg / sq. mm. 17 100 ltr. capacity pvc tank for chlorine solution ( make : sintex / patton ) 18 spare coil for mk1 starter ( make- l&t )