Tag Archive: March 2021 Print Issue

Last Word DIPRA testing
Last Word – Research Tests Show Consistently Strong Energy Efficiency...

A recent hydraulic flow test on a 97-year-old distribution main demonstrated the longevity of cement-mortar lined (CML) ...

April 6, 2021
Features Lester Bradshaw
Publisher’s Message – Lester Bradshaw Jr. is Trenchless Technology’s 2021...

Entrepreneur, engineer, contractor can all be described as who is Lester Bradshaw Jr. But contractor is where Les’...

April 6, 2021
Manhole Rehab Pennsylvania manhole
Severe Infiltration Stopped Using Mechanical Internal Joint Seal

A small southeastern Pennsylvania Municipal Authority identified a manhole with a severe infiltration problem that neede...

April 5, 2021
Storm Water/Culverts Newport lining
California Contractor Takes Care of Failing CMP Storm Drain in...

The Upper Newport Bay Nature Preserve and Ecological Reserve represent approximately 1,000 acres of open space. The Natu...

March 31, 2021
Directional Drilling A well-known oil company in Argentina transports products from one of its refineries located in the Andes foothills to its principal markets in Buenos Aires. A pipeline stretching some 1,700 km transports the company’s products to their destination. When routine inspection revealed compromised technical integrity of a pipeline section, the decision was made to replace the affected section.
Record-breaking HDD Crossing in Argentina

A well-known oil company in Argentina transports products from one of its refineries located in the Andes foothills to i...

March 30, 2021
Condition Assessment SL-RAT Eagan
Improving Cleaning Efficiency at City of Eagan

The City of Eagan is located just south of Minneapolis and Saint Paul along the southern bank of the Minnesota River. In...

March 26, 2021
Person of the Year Lester Bradshaw
2021 Trenchless Technology Person of the Year Lester Bradshaw Jr.

Lester Bradshaw Jr. took his first job underground when he was 14 years old. Fifty-two years later, he still loves to pu...

March 22, 2021
Directional Drilling direct pipe method pipe thruster
Installation Force Evaluation of a Direct Pipe Shore Approach

In the last several years, the Direct Pipe method of trenchless installation has moved from an emerging technology to a ...

March 17, 2021
Manhole Rehab manhole rehab in California
Saving Infrastructure…One Manhole at a Time

The City of Richmond in western Contra Costa County, California, is located on the northeastern shore of San Francisco B...

March 16, 2021