Provides the 300 most useful manhour tables for practically every item of construction. Labor requirements are listed for sitework, concrete work, masonry, steel, carpentry, thermal and moisture protection, doors and windows, finishes, mechanical, and electrical. Each section details the work being estimated and gives appropriate crew size and equipment needed. This new revised edition contains National Estimator, a computer estimating program. This fast, powerful program and complete instructions are yours free on high-density 3 1/2" disk when you buy the book.