Specifications include, but are not limited to: 4.1 Personnel/Staffing Provide professional staff to facilitate the needs of this Contract. 4.2 Safety Procedures Respondent shall ensure that all participants are instructed in safety procedures and requirements necessary to ensure that risk of injury or accidents are minimized. A staff member, certified in First Aid/CPR, shall be on site at all times. 4.3 Use of Premises 4.3.1 Respondent shall operate the water exercise program for the sole benefit of the public. The general public shall be instructed on a non-discriminatory basis. The Department may authorize the closing of the facility for the safety of the users. In these instances the facility will remain closed until the County authorizes its reopening. 4.4 Advertisements Billboard/commercial endorsements, pamphlets, distribution, etc., are prohibited on County property, unless prior approval is received from the County.