Blocka Construction Inc Home Latest News Completed Projects Estimating Contact Us Devil’s Slide Tunnel This project, located between Pacifica and Montara on Highway 1, consisted of constructing twin tunnels to bypass a stretch of roadway that has been prone to rock slides and road closures. The tunnels constructed were approximately 4,100 feet long, 30 feet wide, 22 feet high and 60 feet apart. BCI’s scope of work included installing 32 tunnel jet fans, emergency cross passage ventilation systems, equipment room ventilation systems. The project broke ground in 2005 and was completed in 2012. Share this: TwitterFacebook Loading... BCI Main Office NEW ADDRESS: 445 Boulder Ct. Pleasanton, CA. 94566 Phone: (510) 657-3686 Fax: (510) 657-3688 License and DIR CSLB: 679326 DIR: 1000000447 Certifications WBE – VON:12050167 WOSB – DUNS NO.: 82-637-3193 Alameda County Transportation Commission LBE: BLO20170707-01 Categories Electrical (38) General Contracting (22) Mechanical (14) Recent Posts New Main Office SFPUC Southeast WPCP Disinfection Upgrades BART Substation RRY Project EBMUD Rate Control Station Rehab Gilroy WWTP Preanoxic Basin Project SFPUC Groundwater Supply Well Stations SJWPCP Digester Gas Compressor Project BART Transformer Replacement Projects Folsom Dam Project Update San Jose Water Company – Vickery Tank Project BCI Featured in SMW Local 104 Fall Newsletter Emergency Ventilation Fans Rinconada WTP Residuals Management Project SFPUC San Antonio Pipeline (Sunol) Warm Springs tunnel ventilation VSFCD Influent Pump Station VTA Milpitas / Barryessa Extension Update VTA BRT Improvements nearing completion BART 19th Street Station Entrance Enclosure Pilot SSF WPCP Demolition Activities Archives May 2020 (1) November 2016 (9) January 2016 (1) August 2015 (2) July 2015 (1) February 2015 (4) January 2014 (1) September 2013 (1) June 2013 (1) April 2013 (2) January 2013 (2) October 2012 (2) March 2012 (3) December 2011 (1) November 2011 (2) October 2011 (5) September 2011 (1) July 2011 (1) June 2011 (1) May 2011 (1) April 2011 (5) March 2011 (5) Blocka Construction Inc Website Powered by WordPress.com. Follow