3.3. SCOPE OF WORK The tests and inspections shall be performed in accordance with National Electrical Testing Association (NETA), Acceptance Testing Specifications (ATS) for Electrical Power Distribution Equipment and Systems and/or the American National Standards Institute (ANSI/NETA), for Maintenance Testing Specifications for Electrical Power Distribution Equipment and Systems to ensure that equipment and systems are operational and within acceptable standards and manufacturer tolerances, and to determine suitability for continued reliable operation. Should problems be identified, the Contractor must be able to provide equipment repair services. Repair and replacement parts and equipment will be billed on a Cost-Reimbursement basis per City Code, Section 43-20. The successful Contractor mayl be required to submit a copy of the invoice from the manufacturer/distributor for all parts and materials purchased.