ESSENTIAL PHYSICAL ABILITIES: Sufficient clarity of speech and hearing or other communication capabilities, with or without reasonable accommodation, which permits the employee to understand department and safety rules and regulations and work around high traffic areas; Sufficient vision or other powers of observation, with or without reasonable accommodation, which permits the employee to work safely in heavy traffic and heavy equipment operation; Sufficient manual dexterity, with or without reasonable accommodation, which permits the employee to operate hand and power tools continuously; Sufficient personal mobility and physical reflexes, with or without reasonable accommodation, which permits the employee to work in trenches, in rough terrain, and access construction equipment; Sufficient personal mobility and physical reflexes, with or without reasonable accommodation, which permits the employee to turn, reach and grasp repetitively; Sufficient strength and endurance, with or without reasonable accommodation to lift, carry, push, pull and otherwise move objects, through a full range of motion, up to 100 pounds occasionally, 50 pounds frequently and 20 pounds consistently; Sufficient mobility and flexibility which allows the employee to stoop, kneel, crouch, stand, walk, push, pull, climb, and grasp repetitively in various locations throughout the City. REQUIRED KNOWLEDGE SKILLS AND ABILITIES: Substantial knowledge of construction equipment, materials, and methods; Substantial knowledge of traffic hazards and traffic safety principles, practices, and procedures; Substantial knowledge of proper lifting techniques and personal protective equipment used in the operation of hand and power tools; Ability to comprehend and follow safety rules and regulations; Skill in the operation of hand and power tools; Ability to remain on call during assigned hours as necessary; Ability to communicate well with others, both orally and in writing, using both technical and non-technical language; Ability to understand and follow oral and/or written policies, procedures, and instructions; Ability to use logical and creative thought processes to develop solutions according to written specifications and/or oral instructions; Ability to perform a wide variety of duties and responsibilities with accuracy and speed under the pressure of time-sensitive deadlines; Ability and willingness to quickly learn and put to use new skills and knowledge brought about by rapidly changing information and/or technology; Integrity, ingenuity, and inventiveness in the performance of assigned tasks.