Tender For corrigendum : removal of old tarfelt and grading work of roof slab and inside plaster of parapet of 102 super c quarters at stps, sarni. - removal of old tarfelt & grading work of roof slab and inside plaster of parapet of 102 super c quarters at stps, sarni. note- quoted rates shall be excluding gst. the gst shall be paid separately by the mppgcl, as per the actual.