supply of supply of 30hp submersible sewage pump kit, consisting of various items i.e. mechanical sea l, bearing, lubricating oil, neck ring and other necessary sealing material as per sample & description.o ring set of gasket, top and bottom mechanical seal 55mm diameter, lubricant, top and bottom bearing, impell er lock nut/circlip/seal washer. [ warranty period: 30 months after the date of delivery ] ] senior section engineer - supply of 30hp