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Back Municipal Consulting

Back Municipal Consulting (BMC) brings over 30 years of experience in the trenchless technology industry, combining technical expertise with a client-first approach. Founded by Timothy Back, P.E., BMC was built on a simple principle: provide every client with the knowledge, guidance, and support they need to make the right decisions for their infrastructure.

BMC’s vision is to be the leading authority in trenchless technology consulting and education, known for advancing industry standards, shaping best practices, and empowering municipalities, engineers, and contractors to build sustainable underground infrastructure for generations to come.

Back Municipal Consulting’s mission is to equip municipalities, engineers, and contractors with the knowledge and resources to succeed in trenchless rehabilitation. With decades of experience in manhole rehabilitation, cured-in-place pipe (CIPP), lateral connection rehab, and trenchless design, they are dedicated to ensuring every project is completed on time, within budget, and to the highest standards of quality and safety.

• Sewer Rehab Product Selection – With extensive knowledge of rehabilitation products, we evaluate inspection data and recommend the most effective, contract-compliant solutions for each project.
 
• Expert Case Review & Witness Testimony – BMC’s principal engineer provides expert analysis and testimony in cases involving manholes, cave-ins, neglect, or underground infrastructure failures.
 
• Professional Engineer (P.E.) Designs – Licensed in all 50 states, BMC designs and stamps rehabilitation projects including CIPP, manhole rehab, and large-diameter geopolymer/cementitious linings.
 
• Specification Writing & Compliance – We stay current with ASTM standards, tailoring specifications to project needs while reviewing submittals and “or equal” products for compliance.
 
• Manhole Inspections – From person-entry to 360° video inspections, we provide thorough evaluations before, during, and after rehabilitation to ensure quality results.
 
• Project Management – From bid documents and pre-bid meetings to QA/QC monitoring and schedule management, BMC offers full project oversight for trenchless rehab projects.
 
• Standards & Industry Leadership – Active ASTM Committee F17 member and contributor to NASSCO, WEF, AWWA, NASTT, and ASCE initiatives, BMC plays a leading role in developing and advancing industry standards.
 

Developed ASTM Standards

• F2561 – Standard Practice for Rehabilitation of a Sewer Service Lateral and Its Connection to the Main Using a One Piece Main and Lateral Cured-in-Place Liner
 
• F2599 – Standard Practice for Sectional Repair of Damaged Pipe By Means of an Inverted Cured-In-Place Liner
 
• F3033 – Standard Practice for Installation of a Single-Sized, Cured-In-Place Liner Utilizing an Inflatable Bladder for Resurfacing Manhole Walls of Various Shapes and Sizes
 
• F3240 – Standard Practice for Installation of Seamless Molded Hydrophilic Gaskets (SMHG) for Long-Term Watertightness of Cured-in-Place Rehabilitation of Main and Lateral Pipelines
 
• F3097 – Standard Practice for Installation of an Outside Sewer Service Cleanout through a Minimally Invasive Small Bore Vacuum Excavation and Same Day Restoration
 
• F3708 – Standard Specification for Aramid Fiber Reinforced Flexible Fabric-Reinforced Pipe (FFRP) for Loose-fit Non-Interactive Pressure Pipeline Rehabilitation
 

On Demand Webinars

Large Diameter Geopolymer/ Cementitious Lining

Gasket Sealing for CIPP

Manhole Rehab Essentials

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