How to Estimate with Means Data and CostWorks Learn How to Estimate Using the Nation's Most Recognized Construction Cost Data with CD

by Mubarak, Saleh A.

• ISBN13: 9780876298206
• ISBN10: 087629820X
• Edition: 3rd
• Format: Paperback
• Copyright: 2006-01-01
• Publisher: RSMeans

Summary

This step-by-step guide takes you through all the major construction items - now with expanded coverage of site work, concrete and masonry, wood and metal framing, doors and windows, finish work and roofing. A new chapter provides professional estimating guidance for plumbing (including fire suppression), mechanical and electrical. Over 300 estimating exercises show you, in detail, how to estimate for a broad range of construction items and systems - including how to calculate general conditions and equipment costs. Additional features include: Expert advice on preliminary or design-stage estimates, such as when and how to use Assemblies and Square Foot estimating techniques Tips from professional practitioners, including widely used formulas and rules of thumb. Guidance on how to use the features of CostWorks Estimator FEATURES: Includes a fully functional instructional version of Building Construction Cost Data CD-ROM. Learn how to export your cost lists to a spreadsheet, or customize them using CostWorks Estimator. The CD also includes: Cost data organized according to the 2004 CSI MasterFormat numbering system Two sets of plans (residential and light commercial) to practice your estimating techniques in the context of an actual project Fully worked-out solutions to sample estimating problems

Table of Contents

About the Authors & Contributors	p. ix
Introduction	p. xi
Using CostWorks Instructional Version CD-ROM	p. xv
Installation	p. xv
Contents	p. xv
Accessing Instructional Information: Building Plans & Spreadsheets	p. xvi
A Cautionary Note: Numerical Rounding & Mathematical Judgment	p. xvii
Basic Calculations	p. 1
Means Cost Data Format	p. 1
Productivity & Activity Duration	p. 6
Equipment Costs	p. 8
City Cost Indexes & Location Factors	p. 9
Spreadsheet Types	p. 13
Manual Spreadsheets	p. 13
Electronic Spreadsheets	p. 14
Using CostWorks	p. 16
Additional CostWorks Features	p. 18
Square Foot & Cubic Foot Costs	p. 19
Exercises	p. 20
Adjusting Means Data to Job Conditions	p. 21
Markups on Labor Cost	p. 21
Interpolation Between Means Items	p. 23
Substituting Known Local Labor Rates	p. 26
Overtime Productivity Loss & Extra Pay	p. 27
Effect of Inflation/Cost Escalation	p. 29
Unit Consistency	p. 32
CostWorks Estimator	p. 33
Adding, Changing, or Deleting Costs	p. 37
Exercises	p. 40
Concrete (Division 3)	p. 43
Types of Concrete	p. 43
Estimating Concrete	p. 45
Additional Estimating Examples	p. 63
Exercises	p. 66
Masonry (Division 4)	p. 73
Types of Masonry	p. 73
Estimating & Waste Allowances	p. 73
Productivity Factors	p. 74
Quantity Takeoff	p. 74
Exercises	p. 79
Metals (Division 5)	p. 81
Estimating Structural Steel	p. 81
Exercises	p. 90
Wood & Plastics and Thermal & Moisture Protection (Divisions 6-7)	p. 95
Wood & Wood Products	p. 95
Thermal & Moisture Control	p. 97
Estimating Wood Structures	p. 100
Using Units of Quantity	p. 105
Exercises	p. 107
Doors & Windows, Interior Finish, & Equipment (Divisions 8-14)	p. 109
Using Means Costs	p. 109
Openings	p. 110
Finishes	p. 110
Cost Modifiers	p. 114
Specialties	p. 116
Equipment	p. 117
Furnishings	p. 117
Special Construction	p. 117
Conveying Equipment	p. 118
Exercises	p. 119
Fire Suppression, Plumbing, Mechanical, & Electrical (Divisions 21-28)	p. 123
Fire Suppression	p. 124
Plumbing	p. 125
Heating, Ventilating, & Air Conditioning	p. 126
Electrical	p. 128
Communications	p. 130
Electronic Safety & Security	p. 130
Exercises	p. 131
Earthwork (Division 31)	p. 133
Types of Earthwork	p. 133
Soil Excavation	p. 134
Truck Capacity	p. 139
Excavate by Hand or Machine?	p. 140
Optimum Number of Trucks per Loader	p. 143
Equipment Rental Costs for Short or Long Periods	p. 146
Renting vs. Owning Equipment	p. 148
Exercises	p. 149
Equipment Analysis	p. 155
Equipment Depreciation	p. 155
Equipment Expenses	p. 159
Equipment Rental	p. 164
Exercises	p. 167
General Requirements	p. 173
Estimating General Requirements	p. 173
Project Duration	p. 173
Architectural & Engineering Fees	p. 176
Builder's Risk Insurance	p. 176
Performance Bonds	p. 177
Sales Tax	p. 178
Exercises	p. 180
Assemblies Estimating	p. 181
Preliminary Cost Estimating	p. 181
Assemblies Estimates	p. 181
Combining Assemblies & Unit Costs	p. 184
Exercises	p. 185
Approximate Estimates	p. 187
Means Project Costs	p. 187
Using Means Project Costs	p. 189
Exercises	p. 194
Appendix	p. 197
Exercises: Answer Sheet	p. 199
Exercises: Solutions	p. 207
Sample Estimating Forms	p. 237
References	p. 245
Index	p. 249
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