Specifications include, but are not limited to: Security systems provided at all elementary, middle, and high schools including portable buildings 2. Provide a motion detector facing each exterior door 3. Provide narrow beam, long-range, ceiling-mounted detectors in corridors on each floor, mounted halfway down the corridor, back-to-back, facing opposite directions. Verify range with manufacturer's specifications. 4. Provide 360-degree motion detectors in first-floor perimeter classrooms with windows or door access, gymnasiums, and classrooms on other floors if there is roof access through doors or windows. 5. Provide motion detectors in all high-security areas, such as computer labs, libraries/media centers, administration areas, and all spaces with exterior doors. 6. Provide motion detectors in stairwells
