Yankee Canyon County Road A-25 Subsidence Mitigation Project - REBID

City of Boulder City

Work includes 605 SY of full depth bituminous pavement section removal, 30 SY of full depth concrete pavement section removal, 110 LF of removal of pcc curb and gutter, 33575 SY of removal of foreign substances/contaminates and surface preparation, 8870 LF of fine ac pavement surface grinding (variable width), 4280 SF of removal of pavement markings, 1 LS of removal of waterline pipe and buried structures, 4 EA of removal of bollards and foundations, 3 EA of salvage and reinstall signage, airport safety and security, traffic control. See outside link.

City of Boulder

Installation of traffic signal equipment.

City of American Canyon

Work consist of exploratory excavations, earthwork & grading, remove existing crash cushions, remove concrete k-rail barriers, remove flashing beacon and foundation, install flashing beacon with new foundation, reconnect electrical for flashing beacon, 330 SF of concrete pad at new k-rail, 20 SF of concrete piers for slab, rebar connection to culvert, 8 EA of install new k-rail, 128 LF of metal beam guardrail, 30 EA of guardrail posts, 2 EA of guardrail system end treatment, 2 EA of connect guardrail system to concrete barriers, 14 EA of reflective flexible guideposts, 5 EA of rumble strips, 300 LF of 22b striping, 600 LF of 27b striping.