sewer

Rehab Of A 100-Year Old Brick Storm Sewer
Datta Shirodkar, Boyer Inc. and Michael Spero, P.E., Danby LLC
July 2010 Vol. 65 No. 7

The Waterfront Mall Project under construction in Washington, DC, will contain retail stores, restaurants, offices and residential units. Through the middle of the site there is an existing 100-year-old, 90-inch diameter storm sewer about 800 feet long. In what should have been a relatively simple project to rehabilitate the pipe, with a few significant yet manageable challenges, circumstances quickly changed to create the “job from hell.”

CIPP Lining A Cost-Effective Solution For Corroded Concrete Pipes
Thomas R. Fuszard
July 2010 Vol. 65 No. 7

Utility districts understand that water and sewer pipes deteriorate over time. This is especially true for concrete pipes installed in sanitary sewer systems. An inherent issue with sewage is the build-up of hydrogen sulfide (H2S) gas, which can have far-reaching effects that may not be noticeable until a major problem occurs.

Sanitary Sewer Operations: Blockage Removal
NASSCO member Stephen Tilson, Collection Systems Operations Consultant, Tilson Associates
June 2010 Vol. 65 No. 6

Of all sanitary sewer operations, blockage removal is perhaps the most demanding and highly visible. For the purpose of this discussion a blockage is defined as the “stopping or interruption of sanitary sewerage flow.”

Pressures in Sewer Cleaning
NASSCO member Barry Howell, General Manager, Visu-Sewer, Inc.
April 2010 Vol. 65 No. 4

Without a doubt, the most misunderstood facet of sewer cleaning is the relationship between flows and pressures. Generally, pressure is mistakenly viewed as the wildcard or the reason for concern, and flow is usually ignored. Operators often misunderstand the operation of their pump, the relationship to hose diameter and length to performance and other variables of jetting.

December Rehab News: Inland acquires tech group, Grout Boot Camp Jan. 26 and more
December 2009 Vol. 64 No. 12

Nu Flow enters exclusive distribution partnership with Flow-Liner
Edina, MN, solves age-old manhole problem
Aqualiner’s New Pipe Lining Product Receives NSF 61 Certification

Tarlton Diverts 96-inch Pipe in St. Louis Wastewater Project
December 2009 Vol. 64 No. 12

A team from Tarlton Corp. installed a temporary diversion around a portion of a 96-inch influent pipe--believed to be only the second 96-inch diversion yet completed in the United States.

RehabZone Goes ‘Live’
Jeff Griffin, Senior Editor
December 2009 Vol. 64 No. 12

For the first time in its nine-year history, demonstrations will be part of the RehabZone at the 2010 UCT Underground Construction Technology International Conference & Exhibition, better known simply as UCT.

$10.4 Million Los Coyotes Reclamation Project Awarded
December 2009 Vol. 64 No. 12

The County Sanitation Districts of Los Angeles County, California, has awarded a contract to SAK Construction of CA LP for the Los Coyotes Water Reclamation Plant Interceptor Sewer Rehabilitation Phase II project.

UCT RehabZone® Goes Live In 2010
November 2009 Vol. 64 No. 11

The RehabZone will be hosting live product and technology demonstrations at the Underground Construction Technology International Conference & Exhibition (UCT) in Tampa, FL, on Jan. 19-21, 2010.

Fisheye Cameras Another Giant Leap For Pipeline Inspection
Jeff Griffin, Senior Editor
October 2009 Vol. 64 No. 10

Advances in inspection technologies have played a significant role in the ability to effectively rehabilitate underground sewer infrastructure.

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