STANDARDS SECTION XVIII - TOURNAMENT STANDARDS OF PERFORMANCE on site and handled by the locker room attendants, or directly at the official  hotel. Laundry service costs should be reasonable (whether per item or per  bag), and must be approved by the WTA at least one (1) month prior to the  Tournament. Lighting must be distributed evenly on the court, with the minimum and  recommended standards as stated in the chart below. It is the responsibility of the Tournament Director to ensure, upon final  preparation of the tennis courts before the Tournament commences, that  all court specifications, including lighting measurements, comply with  the standards set forth in Appendix I – Light Measurements. Measurements should be taken from approximately three (3) feet (0.914  meters) above the court. The Supervisor has the authority to suspend play on any court if  the intensity of illumination, in his/her judgment, is insufficient for  Professional Tennis. If an outdoor Tournament holds night sessions, a second match court  with lighting that meets Tour standards will be required. b.  Second Court for Outdoor Night Matches a.  Specifications and Measurements 17. Lighting 322 Required Light Measurements Lux (averaged over 15 readings) 1,076 Lux Outside Court Lines (averaged over 8 readings) 500 Foot Candles 100 Ratio between highest/lowest  reading 1 x 1.5 Light Pole Heights All Courts 40 feet*  *Or no lower than other non-show court lights at the facility.