CIPP

Jeff Griffin, Senior Editor

LMK Technologies has developed and introduced a technology that permits the simultaneous application for a single-piece of CIPP (cured-in-place-pipe) liner for the main pipe and multiple branch pipes.

HammerHead Trenchless Equipment introduced its new epoxy system for the recently released HydraLiner Lateral Lining system.

Jeff Griffin, Senior Editor

An essential element in many projects to rehabilitate buried pipe is the design and construction of a bypass system to carry flow during the period the segment being restored is out of service.

The American Bottom, or Bottoms, is a Southern Illinois area of 175-square miles in the flood plain of the Mississippi River, protected from flooding by a system of levees and canals. The cities in the American Bottom, such as Granite City, IL (population 30,000), have to contend with seasonally high, fluctuating groundwater, which can have a disastrous effect on underground facilities like sewers.

Leidi Utility Supply Limited, a leading distributor of pipe and cable detection, inspection and maintenance equipment for major Chinese municipal governments and agencies, has partnered with Applied Felts Ltd. to provide the Chinese market with quality felt liners for cured-in-place pipe (CIPP).

The Knoxville Utilities Board knew cured-in-place pipe (CIPP) would bring faster, lower-cost repair to an underground sewer pipe in Knoxville, TN. The 8-inch diameter clay pipe had been in service for more than 50 years.

By NASSCO member Ed Kampbell, PE, Jason Consultants

There are four key elements to having a really good Cured-in-Place Pipe (CIPP) installation:
1. Proper saturation of the tube;
2. Proper inflation of the resin saturated tube in the host pipe;
3. A full and thorough curing of the resin system used; and
4. A proper cool-down of the CIPP.

Jeff Griffin, Senior Editor

Efforts to block the designation of styrene as a possible cancer-causing agent are proceeding on several fronts while organizations who use styrene in the manufacture of their products consider short- and long-term effects should they ultimately be forced to find a substitute for styrene.

The city of Los Angeles, CA, recently completed 1 million feet of sewer that has been constructed or rehabilitated using trenchless technologies.

Jeff Griffin, Senior Editor

The sanitary sewer rehabilitation industry -- especially organizations involved in cured-in-place-pipe (CIPP) lining -- are evaluating potential ramifications, if any, of the designation last month of styrene as a “reasonably anticipated carcinogen.”

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