EmPOWERment Park

Sacramento, CA

EmPOWERment Park

The EmPOWERment Park project will include themed play areas with inclusive play equipment for all ages and abilities. The park will include retaining walls, a restroom building supported on shallow footings, landscaping, concrete walkways, and new asphalt parking stalls. Crawford & Associates completed a Draft Geotechnical Design Report to provide earth materials criteria for use in design.

Dry Creek Greenway Trail East

Roseville, CA

Dry Creek Greenway Trail East

The project consists of two miles of new 10-ft paved multi-use trail with 2-ft shoulders, new approach embankments for three new pedestrian bridges, new ingress road, various gravity, cantilever, tie-back, and soil nail retaining walls, new parking lot, and the Darling Way bridge widening.

Geotechnical Engineering Services include field review/exploration, laboratory testing and geotechnical design/foundation reports.

Memorial Park ADA Upgrades

West Sacramento, CA

Memorial Park ADA Upgrades

Project improvements consist of sidewalks/curb ramps and gutter improvements; off street parking lot; new prefabricated restroom, concession stand, and storage; new concrete pathways; new picnic shade structure on CIDH piles; new sunken dugouts; improved storm drainage facilities; improved scorekeepers booths; and new trash enclosure.

Crawford prepared a Draft Geotechnical Report for ADA improvements to the existing park.

César E. Chavez Park Renovation

Modesto, CA

César E. Chavez Park Renovation

The Cesar E. Chavez Park Renovation Project, located in west Modesto, will include a complete renovation and redesign of the current Cesar E. Chavez Park which also includes the Maddux Youth Center. The complete redesign of the existing park will include: outdoor basketball court, youth soccer field, skate park, splash park, swimming pool, ground water recharge basin, street side parking, exercise walking paths, multi‐purpose rooms, restrooms, picnic pavilion building, and better lighting and security cameras. Crawford completed a Geotechnical Report is to provide earth materials criteria for use in the design of the proposed restroom building and ticketing/concessions footings, swimming pool, drainage, grading and concrete walkways.

Humboldt Bay Trail South

Humboldt County, CA

Humboldt Bay Trail South

The project consists of constructing a Class I bike path between Eureka and Bracut.  This section of trail will link the Eureka Waterfront Trail at the southwest (Eureka) end and the Humboldt Bay Trail North at the northeast (Bracut) end.  The standard trail will consist of a 10-ft wide paved section with two 2-ft gravel shoulders on each side.  A narrower trail may be used where it is not practical to maintain the standard width. The total trail length is approximately 4.2 miles and follows the northeast shoreline of Humboldt Bay, generally along the west/north side of U.S. 101 and the south/east side of the North Coast Railroad Authority (NCRA) railroad corridor.

Key Geotechnical considerations of the site include:

  • Potential for significant geologic risks common to the general Humboldt Bay region, including strong seismic ground motions, soil liquefaction, settlement, and tsunami hazard.
  • The soft (bay mud) soils generally within the upper 20 feet are subject to consolidation under increased loading and may experience differential settlement based on load distribution.
  • Groundwater within the bay/marsh sediments is shallow, brackish, and creates a corrosive soil environment within the zone of oxidation.

Crawford provided recommendations for subgrade preparation and treatment for the Bay Mud areas; construction of fill sections; a soldier pile wall within an area of very soft soils; and existing bank stability rehabilitation. Recommended bridge foundations include Class 90, Alternative “V” cast-in-steel-shell (CISS) piles.