Specifications include, but are not limited to: When the members of the District Staff leave for the day, the Guard should make a thorough check of the property and facilities to ensure everything is prepared for the oncoming Guard shift. Once a Guard has checked in for their shift they should not leave the facility until they are relieved. Guard checks should include, but are not limited to: • Check the security of all yard buildings. • Check perimeter fencing and gates. • Check Resident Engineer Building/Materials Lab and adjacent buildings. • Lock gates at 6:00 p.m. (depending on AHTD seasonal work schedule.) • Open gates at 5:00 a.m. (depending on AHTD seasonal work schedule.) • Turn on the security lights of Headquarters. • Make sure the gas pumps and station are locked.