You can lower your budget with the use of the cheaper ABS piping instead of PVC. Check with your plumber to see if this is a viable option because it can cut costs dramatically. In addition to plumbing costs for a kitchen or bathroom, there are also costs associated with an electrician. Regardless of the addition, you are going to need electricity. Often, a new breaker must be run from the main panel in addition to the various boxes needed to deliver power to fans, outlets and light fixtures.
A square bale of hay is usually 2 feet wide, 4 feet long, and 2 feet tall. A round bale of hay varies, depending on the baling equipment. The dimensions usually range from 4 ft x 4 ft to 4 ft x 6 ft. Edit: There are three sizes of square bales, small medium and large. Small bales are 2'x2'x4'.
I have bought 90 pound hay bales to 150 pound hay bales. Each one can be from the same company, but different cutting at different crop year. It also can be from different cuttings since some companies are unlegit by not carefully baling the hay. Sticks, dirt and even big rocks I have discovered when opening up a bale. To measure the bale I just fed tonight, I would say approx 2 feet by 4 feet long by 2 feet deep. These are pretty good size large bales of approx 125-130 pounds. Adv weight of a bale is 110-115 pounds. 16 bales per ton. Which would make each bale at 120 pounds to meet that ton when calculated. So, pretty much it is an estimate ordeal. I recommend going out and taking a few measurements and documenting each one.