All buried gate valves three inch through twelve inch requiring a valve box or any valve boxes that are set on a 3 inch to 12 inch buried gate valve shall be furnished with a valve box alignment device. (VBAD) The device shall be of HDPE and colored white. It shall be furnished in two pieces that will lock together under the operating nut without requiring the removal of the op nut. The device shall not affect the operation of the valve. No one-piece device will be accepted. The device shall be the BOXLOK as manufactured by Emma Sales, LLC, or approved equal.