Labor$5,950–$19,400
Materials$3,850–$14,000
Equipment$375–$1,300
Removal and disposal$400–$1,800
Delivery$250–$875
Permit allowance$125–$875
Professional-service overhead$1,150–$3,550
Planning contingency$625–$1,700
Professional-service overhead represents normal operating costs involved in delivering professional work. Component ranges are planning allocations and may not add exactly to the rounded total.