The Colton Joint Unified School District is seeking qualified contractors to execute a comprehensive infrastructure upgrade of its transportation yard located at 451 North 3rd Street, Colton, CA. The project encompasses demolition of existing structures, extensive site grading, construction of a 415‑ft retaining wall, new concrete and asphalt paving for staff and bus parking, storm‑drainage improvements, landscaping, installation of a motorized chain‑link gate and fence, and the deployment of a fleet‑only electric‑vehicle (EV) charging system (11 dual‑charger DC fast chargers and 3 single‑level Level 2 chargers) with load‑management controls. All work must comply with California Title 24 building, electrical, fire, and green‑building codes, prevailing‑wage requirements, and detailed safety/lead‑abatement specifications.
• Demolition, grading, retaining wall, paving, and site‑work to create 24 staff stalls and 25 bus stalls.
• Installation of EV charging infrastructure (14 chargers total) with a 500 kVA transformer, load‑management system, and associated electrical upgrades.
• Construction of a motorized 20‑ft rolling gate, chain‑link fence, and associated security hardware.
• Required permits, bonding (10 % bid security, 100 % performance/payment bonds), insurance, and strict compliance with hazardous‑material (lead) abatement provisions.