Mainline Sewers Files

Magazine Article: Chemical Grout Program Helps Austin, Texas Control Costs and Wastewater

Underground Construction Staff Underground Construction Magazine 1997

  • Maintaining a watertight wastewater collection system is extremely important in Austin, TX. Not only does the city want to keep infiltration out of the system, it also wants to prevent exfiltration of wastewater.

Magazine Article: How to Plan a Chemical Grout Program

Avanti Public Works Magazine 1995

  • How to plan your chemical grouting program: Most infiltration enters sewers through 1. Manholes, 2. Pipe Joints and 3. Service Connections and the first few feet of the service line.

NASSCO Spec: Performance Specification Guideline for Manhole Rehabilitation

Various NASSCO 2013

  • NASSCO Performance Spec for Manhole Rehab
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