GeoTree News

All of us remember the report card from our school days. Some of us eager to receive it and bring it home to show our folks our grade point average (GPA), happily expectant of the accolades they would bestow upon us for a job well done.

The City of Orinda, California sits within the Diablo Mountain Range just 9 miles east of Oakland, California. Local roads wind through the rolling hills next to many main streams that run through the mountain range. These tributaries empty into the Pablo Reservoir and the Upper San Leandro Reservoir.

When the San Diego County Water Authority (SDCWA) inspected its First Aqueduct water conveyance system in Valley Center of San Diego, engineers identified that rehabilitation was required.

First Aqueduct Water Pipeline Rehabilitated with Geopolymer for SDCWA. Michels and GeoTree working together.

When it comes to pipe rehabilitation several options are available to asset owners, including cured-in-place pipe (CIPP), sliplining, spray applied pipe liners (SAPL), FRPs and spiral wound.

In December 2021, Spiniello Companies was awarded Project 2020-424-101-0 from the Pittsburgh Water and Sewer Authority (PWSA). The project — which took place at the Pittsburgh Zoo & Aquarium — consisted of rehabilitating several sewer pipelines in question by using geopolymer lining.