801 WATER DISTRIBUTION SYSTEMS
802 SANITARY GRAVITY SEWER SYSTEMS
803 SANITARY FORCE MAIN SYSTEMS
805 SEPARATION OF WATER MAINS AND SEWERS
806 HORIZONTAL AND DIRECTIONAL DRILLING
813 PIPE REHABILITATION BY CURED-IN-PLACE PIPE METHOD
818 POINT REPAIR BY EXCAVATION
819 INSITU STRUCTURAL POINT REPAIR
820 INSITU POINT REPAIR BY SECTIONAL LINING
821 SANITARY SEWER SERVICE RECONNECTIONS
824 SEWER LATERAL REHABILITATION BY CURED-INPLACE METHOD