Hold Point or Witness Point in a bid document are such as: (A) Witness Points require notification of the Engineer by the Contractor. Upon proper written notification by the Contractor to the Engineer, work may proceed beyond a Witness Point with or without action by the Engineer. The Engineer may at any time request the Contractor not to proceed once the Engineer has been notified of a Witness Point. (B) Hold Points are mandatory verification points identified by the Engineer beyond which work may not proceed until the Contractor notifies the Engineer and the Engineer performs mandatory verification and gives notice to the Contractor to proceed.