Common use of Lighting Systems Clause in Contracts

Lighting Systems. A. Contractor shall review and confirm as-built lighting plans for sites with existing lighting. Where as-builts do not exist or are not accurate, Contractor shall develop as-built lighting plans for all sites with existing lighting, identifying existing fixtures and existing light levels in target canopy areas. B. Canopy lighting systems shall be designed to meet the Illuminating Engineering Society of North America (IESNA) requirements for parking lot areas, to meet or exceed minimum values and maximum uniformity ratios as listed in the IESNA criteria. C. Lighting shall meet all Title 24 requirements for installations in California. D. All lighting sources shall be LED type. E. Lighting control system shall be connected to the existing lighting controls in each area. If tie- in with existing circuits is not feasible, Contractor shall establish new circuit and controls. Contractor shall field verify that existing lighting circuit conductor, controls, and overcurrent protective device at the circuit point of supply are sufficiently rated for the final lighting load after removal of existing lighting and addition of new lighting. The Contractor shall notify the Owner if existing conductors or infrastructure are found to be deficient, and connection of the new lighting to the new project panelboard shall be implemented by Contractor. F. Lighting design on canopies shall insure cut-off light control to limit spill light or glare to adjoining areas as-needed. Design and install custom shielding or other mitigation measures to avoid light pollution and glare to neighbors. G. Lighting temperature or Xxxxxx Rating shall be consistent with Owner Standards and approved during design phase. Contractor shall provide Owner a submittal for fixtures and obtain written approval from Owner of temperature rating prior to ordering fixtures. H. Existing pole mounted lighting in areas of new carport canopies shall be removed. Modify other existing lighting to coordinate with the new work and design, including reconnection of any existing downstream circuiting and controls to remain. Foundations of existing pole mount lighting are to be completely removed a minimum of 6-inchs below grade, with grade restored to surrounding condition and demo’d material removed and disposed of by Contractor. Light standards and fixtures shall be carefully removed and returned to the Owner at Owner’s option. Contractor to confirm prior to demo. I. New design shall cover all areas of the parking lots (in the area of the work) to leave no dark spots and meet IESNA and requirements for all areas previously covered by light standards removed under this contract. Contractor shall install new pole mounted luminaires if canopy lighting does not provide sufficient lighting in all areas previously covered by removed or altered light standards. Existing fixtures may remain, if not in direct conflict with canopies or causing shading of new canopies.