Specifications include, but are not limited to: 1. Meter valves must be designed for use with natural gas and meet all applicable ANSI and ASME specifications. 2. Valves must be either ball or plug style as required on the bid sheet. They must also meet the following requirements: Tamperproof, 175 psig, Flat Head and Lockwing. The lockwing must be able to accept our locking devices (Barrel-Locks) to prevent unauthorized operation of the valve. 3. The valves are to be paint coated ASA 49 gray. 4. Any changes to these requirements must be approved by Department of Public Utilities. 5. Delivery time estimates are required for inventory planning and may be a factor in determining the responsiveness of vendors in awarding this contract. Delivery times should be from notification of an order to delivery in Richmond.