Public Projects

The work to be done generally consists of removing existing asphalt concrete pathway, grading, earthwork and installing aggregate base, hot mix asphalt, for a new HMA pathway and concrete landings with detectable warning surfaces at each intersection. The work shall also include protection of existing storm drain and utilities, clearing, grubbing, tree and root protection, and minor adjustments of existing electric boxes and vaults.

The work to be done generally consists of rehabilitating approximately 250 lineal feet of 48” storm drain pipe using 36” fused solid HDPE slip lining, including grouting, traffic control and temporary check dam/stormwater bypass.

The work to be performed generally consists of pavement rehabilitation of various streets within the City of Orinda. Such work includes, but is not limited to; mobilization, demobilization, traffic control & construction signage, installation of erosion control measures removal & replacement of concrete curb & gutter, removal & replacement of concrete valley gutter, construction of concrete curb ramps, construction of AC dikes, , base failure repair (digout), base over-excavation if required, removal of asphalt concrete and aggregate base, milling/cold planing, hot mix asphalt (HMA) overlay, microsurfacing, cape seal, adjustment of utility manhole frames and covers, adjustment of survey monuments, adjustment of valve boxes, storm drain pipe lining, installation of theromoplastic traffic stripes, placement of thermoplastic pavement markings, installation of blue reflectors, installation of crosswalks, production of as-built drawings, production of pothole data, locating & preserving survey monuments, removal & installation of traffic signs, filing of appropriate record documents with County recorder's office, and all other work as shown on the plans and as described in the Caltrans Standard Specifications and these Special Provisions to provide a complete project.

The work to be done generally consists of removing debris in the culvert, cleaning the culvert invert, preparing concrete surfaces and exposed rebar, installing new rebar along the culvert invert, overlaying the culvert invert, installing new concrete beam and steel struts, repairing storm drain connection to the culvert, and bypass of creek channel flows as necessary for construction.

The work to be done generally consists of rehabilitating approximately 450 Linear Feet of storm drain pipes using trenchless rehabilitation methods, such as Cured-in-Place-Pipe (CIPP) Liner, slip lining, PVC Liner etc. Approximately 35 linear feet of storm drain pipe will be removed and replaced with open trench, including, bedding, trench backfill and pavement restoration.

The work to be done generally consists of furnishing and constructing steel soldier pile wall with wood lagging, furnishing and constructing CIDH piers, traffic control, demolition, excavation, soil off-hauling and disposal, pavement repairs and utility coordination.

The work to be done generally consists of rehabilitating 4 culverts by invert paving, spot repairs, and applying a geopolymer lining. Work also consists of excavating embankments to form and pour new concrete headwalls with decorative architectural treatment. Expect dewatering and pumping to be necessary. Comply with the permits, licenses, agreements, and certifications (PLACs) and the April 15 - October 31 in-creek work window. Tree removals, tree trimming, and vegetation removal are required as well.

The work to be done generally consists of installing a new crosswalk and push button activated RRFB system, solar powered. Work includes but not limited to removal of portions of existing striping, new striping, storm drain pipe extension, installing truncated domes set in concrete, paved landing area, concrete curb ramps and signage.

The work to be done generally consists of furnishing and constructing steel soldier pile wall with wood lagging, furnishing and constructing CIDH piers, traffic control, excavation, soil off-hauling and disposal, pavement repairs and utility coordination.

The work to be performed generally consists of pavement rehabilitation and storm drain improvements of various streets within the City of Orinda. The pavement treatment methods include Mill & Overlay, Reconstruction, and Micro Surfacing with base failures. Work to be performed also includes replacing storm drain pipes by open trench or trenchless technology, replacement of asphalt dikes, pavement striping & markings, lowering and raising of utility covers, locating and preserving survey monuments and filing of appropriate record documents with County recorder’s office.