Martin Brothers Construction is the prime contractor on this Design-Build project is to repair degraded gravity sewer line mains and sewer manholes at various locations base wide at Marine Corps Base Camp Pendleton. The degraded gravity sewer mains and manholes vary in age and were last assessed in 2012. The sewer mains repairs will address deficiencies identified and may consist of pipe lining, cured inplace pipe (CIPP), spot repairs and/or replacing pipe segments of degraded pipe.