The equations SAM uses to calculate the financial metrics are based on the definitions and methods described in the following handbook. You need to know what you are doing before you enter into a formal business partnership. A Partnership Worksheet can give you a little direction, and streamline the process if you decide to go forward and hire an attorney to prepare the official agreement. When you're considering a new business partnership, a Partnership Worksheet helps you get organized. Before you dive right in, make sure that a partnership is the right structure for your new venture. This Partnership Worksheet spells out all the information that a lawyer would need to formalize your new partnership. Because if you have the ownership correctly modeled out, you can build all sorts of analyses on top of it. Are manhole covers, trench covers and similar covers, and their supports designed to carry a truck rear axle load of at least 20,000 pounds (9,072 kilograms) when located in roadways and subject to vehicle traffic?