TAILIEUCHUNG - Conducting a Lighting Audit

The audit committee’s evaluation of the auditor begins with an examination of the quality of the services provided by the engagement team during the audit and throughout the financial reporting year. Because audit quality largely depends on the individuals who conduct the audit, the audit committee should assess whether the primary members of the audit engagement team demonstrated the skills and experience necessary to address the company’s areas of greatest financial reporting risk and had access to appropriate specialists and/or national office resources during the audit. The engagement team should have provided a sound risk assessment at the outset of. | NCDENR Conducting a Lighting Audit Background When attempting energy savings lighting is probably the first place in a facility to look for savings because changes are usually easy inexpensive and have a quick payback period. The first step is to assess current lighting conditions. Measuring current conditions against calculated upgrades will present the expected savings. Understanding current lighting conditions and needs will aid in determining applicable opportunities and recommendations. ASSESS Existing Conditions To conduct a lighting audit you will first need basic lighting information such as the number of lights their location and their time in use to help you understand the current energy use attributed to lighting in the facility. This information will help you understand how much you are currently spending and the potential savings available from lighting efficiencies. Use the worksheet at the end of this document to assess your current lighting conditions. C 5 Assess opportunities for increasing lighting ENERGy Determine if the following opportunities exist for a given location. Each checkbox represents an opportunity for energy savings followed by suggestions on how to best take advantage of the opportunity. Turn off lights in unoccupied areas. Post reminder stickers to turn off lights when leaving the area. Install time switches or occupancy sensors in areas of brief occupancy and remote areas warehouses storage areas etc. . Rewire switches so that one switch does not control all fixtures for multiple work areas. Ensure wall-switch timers function properly. . Division of Pollution Prevention and ENVIRONmENTAL Assistance 919 715-6500 800 763-0136 Determine if existing lighting levels are higher than recommended levels. Use a light meter to measure light levels and consult the Illuminating Engineering Society of North America IESNA illumination standards. Reduce lighting levels where appropriate. Reduce lighting hours. Employ uniform or task .

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