Los Penasquitos Canyon Preserve Outdoor Classroom

San Diego County Department of Parks and Recreation is inviting bids on construction labor, materials, tools, and equipment for the Los Penasquitos Canyon Preserve Outdoor Classroom at 12122 Canyonside Park Drive, San Diego, California, under RFB #12829, with bids due September 11, 2026 at 2:00 p.m. and a mandatory pre-bid meeting and job walk on August 24 at 10:00 a.m. at the project site. A 3% Small-Local Business Subcontractor Participation Requirement applies to this project exceeding $1 million in estimated value; bidders must submit a Small-Local Business Utilization Plan (PC611) demonstrating compliance or exemption and designate all subcontractors at bid submission.

The scope encompasses mobilization and demobilization, site surveys and staking, site-specific safety plan preparation and implementation, clearing and grubbing, earthwork and grading, drainage systems, retaining walls and fencing, concrete paving and site furnishings, irrigation system installation, planting and landscape restoration, and electrical work across 66 base bid items plus one additive alternate (Bid Alternate 1) containing five items for shade structure installation. The project includes a 90-calendar-day maintenance and plant establishment period following landscape installation completion.

Bidders must be prequalified by the County and hold a current California Class A General Engineering Contractor's license. This is a prevailing wage public works project subject to California Labor Code compliance, including prevailing wage payment, apprentice employment ratios, and contractor registration with the Department of Industrial Relations. The contractor must furnish performance and payment bonds each equal to 100 percent of the contract amount. Bid security of 10 percent of the maximum bid amount, in the form of cash, certified check, or bidder's bond, is required with bid submission. The County incorporates the 2025 Caltrans Standard Specifications and 2021 Greenbook Standard Specifications for Public Works Construction and requires compliance with the County's Working Families Ordinance and California Air Resources Board emissions compliance for off-road diesel equipment. The County will award to the lowest responsive responsible bidder in accordance with Public Contract Code Section 20128. Virtual bid opening is conducted via Microsoft Teams.