1. Contractor agrees to provide to the California Department of Transportation (Caltrans) all labor, equipment, tools, materials, supplies, parts, travel, and incidentals necessary to provide routine sand trap plumbing services as described herein. 2. Subcontracting is not permitted under this Agreement. All references to subcontracting or Subcontractors as found herein are not applicable to this Agreement. 3. The services shall be performed at Caltrans Southern Regional Lab located at 13970 Victoria Street, Fontana, CA 92336, in San Bernardino County. 4. Any reference to Caltrans Contract Manager shall also include his/her designee. 5. This Agreement will commence on November 1, 2025 (estimate), or upon approval by Caltrans, whichever is later, and no work shall begin before that time. This Agreement is of no effect unless approved by Caltrans. Contractor shall not receive payment for work performed prior to approval of the Agreement and before receipt of notice to proceed by Caltrans Contract Manager. This Agreement will expire on October 31, 2028 (estimate). The services shall be provided during normal business hours, Monday through Friday, 7:30 a.m. to 3:00 p.m., excluding State holidays. The parties may amend this Agreement as permitted by law