the benefits of the present invention as seen in fig1 a worker completing the finishing of a newly poured concrete basement floor 10 has placed a board 12 across a corner 14 formed between two basement walls 16 and 18 the board 12 is inserted beneath one of the upper rungs 20 on a common work ladder 22 when the worker has finished working the entire floor except for the area 24 beneath the ladder 22 the worker climbs up on the lower rung and finishes working the area 24 while being suspended on the ladder 22 as noted above this is awkward and potentially dangerous as seen in fig2 the present invention avoids the drawbacks of the ladder of fig1 by providing a rigid secure ladder assembly 30 for working a newly poured concrete floor 10 ladder assembly 30 includes a ladder 32 having a pair of side rails 34 and 36 a plurality of vertically spaced rungs 38 is secured to the side rails 34 and 36 in a known fashion while the side rails 34 and 36 and rungs 38 are preferably formed of aluminum any suitable material such as wood or composite materials may be used the ladder assembly 30 includes a hanger assembly 40 mounted to the top portions of the side rails 34 and 36 hanger assembly 40 includes a pair of inverted u.