procurement and installation of air cooled package ac of 8.75 tr capacity based on r-22 refrigerant with required accessories at control room of ash handling plant of unit no. 3 and 4 of ph-ii , at sgtps, mppgcl, birsinghpur. procurement and installation of air cooled package ac of 8.75 tr capacity based on r-22 refrigerant with required accessories at control room of ash handling plant of unit no. 3 and 4 of ph-ii , at sgtps, mppgcl, birsinghpur. , supply portion , supply of air cooled package split air conditioner of 8.75 tr capacity , work portion , installation of 8.75 tr air cooled package air conditioner. , installation of hard copper pipe with 19 mm insulation , installationof drain piping , installationof electrical cable , installationof 22 gauge ducts for above package units , installationof double deflection grills for above units , sitc of catwalk stand for condensing unit.