Specializing in collection systems rehabilitation since 1975, AP/M Permaform offers a full range of engineered solutions for the cost-effective repair and trenchless replacement of badly deteriorated manholes, catch basins, wet wells, lift stations and similar underground structures. Permacast MS-10,000 is a fine aggregate composite concrete (FACC), formulated specifically for application in vertical collection system environments, centrifugally applied at the best design thickness with our bi-directional spincaster.