Specifications include, but are not limited to: All calibrations shall be certified, in accordance to AASHTO R-18 guidelines, by placing a sticker on the calibrated piece of equipment, indicating the date calibrated, serviceman’s initials, serial number of the item calibrated, calibration report number, and due date of next calibration. Vendor must be able to provide services to all NMDOT Districts in the state. Vendor must provide written certification of calibration service to include calibration data within thirty (30) days of calibration. Contractor shall be held responsible for all costs for damage, loss, and/or replacement due to the vendors neglect. Contractor shall warranty all parts, based on manufacturer’s warranty.