LBE’s plumbing engineering expertise ranges from general building domestic water/sewer system designs to more specialized plumbing systems. LBE’s team provides quality solutions in a highly efficient manner to preserve time and cost. The team is experienced in tackling jobs of various complexities, and works closely with other team members to serve clients in the most effective manner. The majority of LBE’s clients are from the federal sector, but the team has also served non-federal clients in commercial, industrial, government, and educational facilities.


  • Acid Waste Piping
  • Booster Pump Systems
  • Building Storm Drainage Design
  • Central Medical Air and Vacuum Systems
  • Commercial Kitchen Design
  • Fuel Oil Piping System Design
  • DDC Control Systems
  • Domestic Water System Design
  • Gas Piping Design
  • Hot Water Storage Design
  • Process Piping
  • Sanitary Waste & Vent Design