Commercially available. A system that has a proven operating history for at least 1 year specific to the proposed application. Such a system is based on established design and installation procedures and practices. Professional service providers, trades, large construction equipment providers, and labor are familiar with installation procedures and practices. Proprietary and the balance of system equipment and spare parts are readily available, and service is readily available to properly maintain and operate the system. An established warranty exists for major parts and labor. If the system is currently commercially available only outside of the United States, authoritative evidence of the foreign operating history, performance, and reliability is required in order to address the proven operating history.
7 CFR § 4279.2
Definitions. The following definitions apply to this subpart: