has anyone ever seen this done? i am building my own stand for my 125 gallon that i just got, and i am in the process of designing a 55 gallon slide out refuge . it will slide out the end of the tank stand on track's/rail's that are use with generator's on alot of RV's and Bookmobile bus's. buying the lumber this weekend and ordering 2 - 6' , rail's this weekend. rail's are rated for 1500 lb's each.