Specifications are critical to the success of lighting design work and ultimately make the project. One of the most essential aspects of producing a quality lighting design is to ensure that the lighting products specified are acquired and installed on a project. It sounds simple enough but in the reality of everyday practice, this is not always the case.
The purpose of a lighting specification is to chronicle the lighting products (and their locations) required to achieve the lighting design intent. The documentation needs to be clear and precise and typically includes the following three components: an outline specification, a lighting fixture schedule, and product data/manufacturer catalogue sheets. Together, this information is considered a lighting specification.
An outline specification is a written document that describes general conditions, product expectations, and execution of the work as related to the lighting products
The lighting fixture schedule is usually in the form of a chart, matrix, or table. It provides a list of fixture types, which are keyed to the lighting drawings. It typically includes a brief description of the product, a manufacturer product ordering number, and lamp information (including lamp type, wattage, voltage, beam spreads, and colour temperature, if applicable).
The final component of the lighting specifications is the product data/manufacturer catalogue sheets. These provide a “visual” reference of the product, which has been noted on the fixture schedule.