Labor$3,600–$12,000
Materials$2,350–$8,650
Equipment$225–$800
Removal and disposal$250–$1,100
Delivery$150–$525
Permit allowance$75–$550
Professional-service overhead$700–$2,200
Planning contingency$375–$1,050
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.