In order to achieve this requirement, the Board of Education further requires that its educational and employment environment be maintained free from harassment or hostility based upon an individual''s race, color, national origin, ancestry, religion, age, gender, affectional or sexual orientation, marital status, liability for service in the armed forces of the United States, social or economic condition or physical or mental condition. Must meet the physical requirements of the position which include considerable bending, walking, and lifting and shall be able to perform all essential functions of job which include climbing, and moving and lifting objects that may weigh up to 60 pounds.