annual maintenance contract (amc) of all building infrastructure of marine dockyard complex including workshops i.e. fittings shops, machine shops, shipwright shops, electrical shops, welding shops, sail maker shop, mt section, moulding shop, gate office, alwc office, token room, security room, marine canteen building, dispensary, etc under sd-iv, pbnd, apwd, port blair- 1 routine day to day maintenance/ repair work of all residential and non residential building at marine hill, dockyard complex 1& 2 and pheonix bay jetty complex area under dss by means engaging essential staffs to carry out the works as and when required with necessary tools for acessories as per the direction of engineer-in-charge . 2 skilled mazdoor 3 semi - skilled mazdoor 4 un- skilled mazdoor