Specifications include, but are not limited to: 1. Furnish complete two Norton 5900 series automatic door opener systems or equivalent that have been manufactured, fabricated, and installed to maintain performance criteria stated by manufacturer without defect, damage, or failure. System shall consist of dedicated power supply circuit, all motors, starters, controls, mounting supports, associated devices, and interconnecting wiring required for proper installation. Wall push buttons shall be wireless to minimize disruption of asbestos walls. Unit shall be integrated into door strike and access control systems when applicable. All equipment must meet or exceed ANSI 156.19 (Assisted and low energy power operated doors), and the ADA accessibility guidelines for accessible routes and doors, doorways, and gates guidelines. Operators shall, when power is interrupted or shut off, permit doors to easily open manually without damage to automatic door system. Opening and closing speeds shall be adjustable