Ability to crawl, kneel, crouch, climb, and bend around and under equipment, on ladders up to 24' at heights up to 70', stairs, scaffolds, through small accesses, enter inside of tanks, and confined spaces, through hatches, and manholes throughout much of the work shift. Paid sick and vacation New employees receive 40 hours of sick and 40 hours of vacation time after 90 days of employment Combined sick and vacation of 96 hours at year 1, 144 hours at year 5, and 168 hours at year 10 .