tender for dg - chikhalthana industrial area.mr to cwss, waluj. providing protective measures to 700 mm diameter mild steel rising main pipeline at chikalthana industrial area. - providing magnesium as a subordinate metal junction with 10 sq.mm multi strand single core flexible copper cable, placed in a cotton bag surrounded by backfilling chemicals (1) gypsum 70 % (2) bentonite 25% &(3) sodium sulphate 05% in proportion of one kilogram mixture for one kilogram of magnesium aluminum cast junction box with current limiting resistor of 0.1 or 0.01 ohm filled with white petroleum jelly to be connected to the underground pipeline to a depth of 1 meter or above soft rock. including; casting, machining, labor, transport, supervision, installing, commissioning, testing, etc. complete.