Office space and restroom requirements vary with building use. In most cases, it is probably wise to delay completion of these facilities and install rough plumbing only if permitted by code. Gas and electrical service must be available. The utilities that will serve the building should be contacted early in the planning process to determine requirements and possible costs. Water and sewer connections and good highway access are extremely important.
Rail can be a major plus.
Risks in sizing the building can be reduced by designing it to be either readily expandable or dividable. The importance of providing adequate land for parking and expansion cannot be overemphasized. A good rule of thumb is to allow a 10 to 1 land to building ratio. While it is generally not necessary to pave parking areas, at least a minimum area needs to be prepared with a stone base and stone top dressing to facilitate showing of the building. Costs Construction costs vary greatly.