allied works for construction ofrcc pipe carrying structure for supporting of distribution main near h / w site with augur boring for crossing of p.w.d. roads including construction of sluice valve chamber and land filling at headwork site and construction of retaining wall including boundary wall at head work site and dismantling and restoration of concrete roads for laying of pipelinealong with construction of pump house with boundary wall including concrete pathway at 2nd tube well site of danghara w / s scheme and of danghara water supply scheme under nalhati sub division within birbhum division p.h.e. dte. ( sl. no.4 )