balance civil and architectural works of bop areas, o &m store, workshop, hydrogen generation building, cylinder storage area, culverts, fire station building, drill tower, watch towers, chemical lab, sewerage layout civil works, pipe & cable rack pedestals, pipe rack foundation in bop area, civil works of fgd system consisting of ( absorber foundation, fgd control room, mill building / lime stone building, gypsum dewatering building, oxidation blower foundation, misc. tank foundation, misc. pump / equipment foundations, duct & pipe rack supporting structure, so2 analyser room ) , plinth protection, paving & underground works, laying of underground earthing rod, sewage network, storm water drainage system, plumbing and sanitary works, diversion drain complete upto outfall point, execution of rain water harvesting in building under respective packages, make up water line, misc. structures, etc at 3x800 mw pvunl patratu stpp jharkhand