AR 420-1 governs policies and responsibilities for the conduct and management of facilities engineering, housing, and environmental support.
View AR 420-1 on armypubs.army.mil
It covers public works, real property, housing, transportation infrastructure, utilities, energy and water management, and Army installation planning. Its evaluation checklists require documented testing of key management controls at least once every 5 years.
Applies to: This chapter applies to the active Army, the USAR, and ARNG installations, sites, and/or facilities operated and maintained by Federal funds.
Certification that this evaluation has been conducted must be accomplished on DA Form 112 (Internal Control Evaluation Certification). (paragraph 1-4)
Answers that indicate deficiencies must be explained and corrective action must be identified in supporting documentation. (paragraph 1-4)
Minor construction Construction project with a funded cost less than or equal to $750,000 or less than or equal to $1,500,000 to correct health or life safety deficiencies. (paragraph 11-2)
Mutual aid A non-binding, no cost, fire and emergency services agreement signed by the garrison commander and equivalent authority(ies) offering unspecified fire department assistance, if available. (paragraph 11-2)