Ability to perform medium to very heavy work, exerting up to 100 pounds of force occasionally, non-repetitive, up to 50 pounds of force frequently (any exertion of force/lifting greater than 45 pounds requires usage of a two person "buddy system"), and/or more than 20 pounds of force constantly, repetitive; performing such activities as lifting, lowering, carrying, pushing, pulling, standing, walking, grasping, kneeling, stooping, reaching. Typical job responsibilities include assisting and supporting management, field superintendents, supervisors, and subcontractors, in interpretation and implementation of approved engineering designs in the field, and contribution to development of new designs which may be required in response to unforeseen field conditions.