This Request for Proposal (RFP) announces the intent of the County of Mendocino to contract with a Scale Company to provide a Rolling Standard and staff to assist the County in inspecting Vehicle Scales in Mendocino County for one fiscal year 2025/26, with option of extending the contract for two additional fiscal years, 2026/27, and 2027/28. The purpose of the RFP is to provide a rolling standard weight truck (minimum weight cart capacity of 20,000 lbs. for scale section testing and a total weight truck test weight of 55,000 lbs.) and scale company staff to operate the rolling standard (weight cart and weight truck). The weight standards shall have current certification of NIST Traceability. The scale company and its staff shall be currently registered with the California Department of Food and Agriculture, Division of Measurement Standards (CDFA-DMS), as a Service Agency and Its Agents.