Home Services Projects Creeks Municipal Interchange Highway Employment Opportunities Links Harrison Engineering 399 Taylor Blvd, Ste 100 Pleasant Hill, CA 94523 (925) 691-0450 (phone) (925) 691-0460 (fax) randell@harrison-engineering.com Questions/comments about the site? Please e-mail

Creeks/Rivers/Flood Control Projects Kirker Creek Improvement Project (Pittsburg): An $11 million flood control project designed to alleviate flooding of State Route 4 at Loveridge Road in the City of Pittsburg. Various hydraulic alternatives were developed and incorporated into the 404(b)(1) Alternatives Analysis, which included lined and unlined channels, a bypass channel option and several detention basin alternatives. The work included a detailed hydraulic analysis using HEC-RAS, HEC-HMS, and HEC-1. Work included an EIR, Construction Plans, Mitigation and Monitoring Plan, and permit coordination with the regulatory agencies.