Asbestos cement pipe, also commonly known as transit pipe, is a tank for transporting cement liquid, drinking water, waste water, gases and vapors. Asbestos is used to improve its mechanical properties.

Close Tolerance Pipe Slurrification (CTPS) is a proven "Trenchless Technology" method used to remove and replace an existing pipe line with minimum amounts of excavation. The CTPS …

Asbestos Cement pipes are conventionally remediated in one of three ways: cured-in place pipe (CIPP) lining, abandoned in place, and open trenching. The CIPP lining is used only on pipes …

Asbestos cement (AC) pipe became a viable option for water, wastewater, and storm drainage systems beginning in the mid-1940s. The materials used to fabricate AC pipe included Portland cement, up to 12 percent asbestos fibers, water, and silica or silica-containing materials. The …

Pipe that's crushed and left in place and is more than 260 linear feet long, or has a total volume of 35 cubic feet, is considered a regulated asbestos-containing material — …

performs work on asbestos cement (AC) pipe. Disturbance of asbestos cement pipe through cutting, drilling, and other activities may result in elevated levels of airborne asbestos fibres. …

Prior to removing old coated pipelines, it is prudent to test the coating for asbestos, especially if the pipeline was laid between 1920 and 1980. Samples of the coating should be removed along the length of the pipeline to be removed and sent to testing labs to determine the exact content. In most metropolitan areas, there ar…

Any asbestos material that contains more than 1% asbestos is regulated if, when dry, it can be crumbled, pulverized or reduced to powder by normal hand pressure (defined as friable). …

AWWA's standard also established criteria for burst, flexural and crushing strengths. In 1964, AWWA Standard C400-64 included silica as a constituent and described a test method for …