Tag Archives: Herrenknecht

Pipeline replacement project inching along

Wastewater transmission-line realignment is inching ahead after drilling components were assembled in an open pit in Old Town Victorville on Monday. Later this week, construction crews will tunnel north from the pit at Seventh and C streets and push pipeline casings toward a similar pit being dug north of D Street and the BNSF railroad tracks. The … Continue reading Pipeline replacement project inching along

Ballard Siphon Replacement Rebid

This project included construction of launch and retrieval shafts and 2,100 feet of 114-inch segmentally lined tunnel with an 85.5-inch diameter final liner. Additionally, two existing 36-inch wood stave pipelines were slip-lined with steel liners. Common when the siphon was originally constructed, the original pipes were similar to wooden barrels with metal compression bands holding the … Continue reading Ballard Siphon Replacement Rebid

Pushing the Boundaries – Historic Santa Ana River Interceptor Project Completed in Southern California

In the early hours of the morning on May 1, 2013, microtunneling contractor James W. Fowler Co. broke through on the third of four drives for the Santa Ana River Interceptor (SARI) Relocation – SARI Mainline project, completing a difficult and record-setting drive that marked the longest S-curve completed in the United States to date. … Continue reading Pushing the Boundaries – Historic Santa Ana River Interceptor Project Completed in Southern California

Santa Ana River Interceptor (SARI) Relocation – SARI Mainline Project

Designed as a typical microtunnel project with several short, straight drives, the SARI Mainline offered JWF the perfect opportunity to offer an innovative value engineering proposal to eliminate shafts and combine multiple drives on the project. This saved the Orange County Sanitation District over $1 million and offered a 20% reduction in the tunneling schedule. … Continue reading Santa Ana River Interceptor (SARI) Relocation – SARI Mainline Project

Use of German excavation machine on Ship Canal tunnel a first for U.S.

King County is getting ready to use a shaft excavation machine that will be the first of its kind in North America. James W. Fowler Co., the general contactor, is using it to build a 30-foot diameter, 145-foot deep launching portal for a tunnel boring machine. It’s all part of a $38 million project to … Continue reading Use of German excavation machine on Ship Canal tunnel a first for U.S.