A project in Los Angeles, CA consisting of upgrades to existing groundwater and storm water collection systems. Site work included the installation of additional lift stations, waterproofing, urethane grouting, force main piping, electrical controls, and shoring, along with holding and pump chamber installations.
Spring Valley, CA – A roadway improvement project to increase pedestrian safety. Cast in place retaining walls were constructed at existing side slopes to widen the street for sidewalk and curb ramp construction. In addition to the 2700 square foot cast in place retaining wall a 4250 square foot soil nail and shotcrete retaining wall was constructed in order to cut back a slope on the opposite side of the street.
A civil project in Chula Vista, CA applied box channel construction as a remedy for flood control. The work included extensive shoring using temporary soil nail walls (4,900 square feet) and storm water by-pass systems (2,950 lineal feet). Box channel cast-in-place concrete with (3155 cubic yards and 345,000 lbs. of rebar) was installed including 31,600 cubic yards of grading and the addition of 3 pedestrian bridges across the completed channel.
Micropile and foundation underpinning work on a commercial tilt up building in Carlsbad, CA. The building had experienced subsidence of the fill soils that resulted in floor tilt. Project work included the construction of 38 micropiles that were drilled to depths ranging from 33 to 48 feet. In addition each micropile was capped with a grade beam system to underpin the affected building perimeter foundation.
This project was for a custom home site in La Jolla, CA and included (7,200 cubic yards of grading, and 2,500 cubic yards of imported soil). Other work involved erecting temporary and permanent shoring walls, constructing a caisson pile foundation for masonry retaining walls, and some site drainage and demolition work.
This project involved foundation underpinning work providing stabilization to 7 homes at the end of a cul de sac in San Diego, CA. Each house was underpinned with cast in place grade beams. The houses were then mechanically jacked level with lifts ranging from 3 to 8 inches using a system of hydraulic jacks and sacrificial screw jacks. A total of 55,000 lbs of rebar were installed. In addition approximately 740 cubic yards of concrete was poured, along with the injection of 65 cubic yards of pressure grout to fill in underneath the lifted slabs.
This was a landslide repair to a slope that undermined four houses and a swimming pool in Oceanside, CA. The site work included the installation of tie backs (56 anchors with 300 kip loads) and reinforced shotcrete (225 Cubic yards). The project also included slope re-grading (14,000 cubic yards), and the reconstruction of an existing retaining wall.
A turnkey slope stabilization work site behind an estate home in Rancho Santa Fe, CA . The work included the tie back shoring of a wall (36 tie backs with 200 kip loads) to provide support to the house and swimming pool above the slope. A storm and site drainage system was implemented and 12,000 cubic yards of grading and re-vegetation were part of the project on this site.
Slope stabilization and slope repair work at a site in La Jolla Ca involved (10,800 Cubic yards) of grading, and the construction of caissons (48 caissons for slope stability with 36-inch diameters and 56 feet deep). The project included foundation underpinning to provide support for the houses above the slope. In addition were some site drainage repairs.