This guide details minimum performance requirements for the selection, installation practices, and quality assurance of flexible sprinkler hose fittings in Department of Defense (DoD) facilities. It applies to all new construction, renovation, modernization, and rehabilitation of fire sprinkler systems in facilities.

This Engineering and Construction Bulletin (ECB) establishes policy requiring Project Delivery Teams (PDTs) to consider mass timber solutions when designing Army MILCON and Civil Works vertical construction projects. It also highlights US Army Corps of Engineers (USACE) and industry mass timber design resources.