Opening: When scheduled to open the model in the morning, the PTSA must arrive at the model on a scheduled workday in time to unlock the model(s), turn off all the exterior lights, check the radio station for appropriate music and volume, visually inspect the interior and exterior of the model(s) for cleanliness, order light bulbs, etc. and report any and all deficiencies to the Construction Manager for correction or repair, so that the model is open and ready for business by 10:00 a.m. Closing: When scheduled to close the model in the evening, the PTSA on a scheduled workday shall be responsible for closing the model(s) at the applicable closing time, turning on all exterior lights, visually inspecting the interior of the model(s) for deficiencies, check all window latches for security, arming the security system and locking all the doors.