Estimating in Building Construction

286 Pages · 11.00 mb ·

Architecture

Table of contents

- Cover (Page 1)
- Title Page (Page 2)
- Copyright (Page 3)
- Contents (Page 8)
- Chapter 1 INTRODUCTION TO ESTIMATING (Page 14)
- 1–1 General Introduction (Page 14)
- 1–2 Types of Estimates (Page 15)
- Detailed Estimate (Page 15)
- Assembly Estimating (Page 15)
- Square-Foot Estimates (Page 16)
- Parametric Estimates (Page 16)
- Model Estimating (Page 16)
- Project Comparison Estimates (Page 17)
- 1–3 Estimating Opportunities (Page 17)
- 1–4 The Estimator (Page 19)
- 1–5 Quantity Surveying (Page 20)
- 1–6 Types of Bids (Page 20)
- 1–7 Contract Documents (Page 20)
- 1–8 Bidding Information (Page 21)
- 1–9 Availability of Contract Documents (Page 21)
- 1–10 Sources of Estimating Information (Page 22)
- Web Resources (Page 23)
- Review Questions (Page 23)
- Chapter 2 CONTRACTS, BONDS, AND INSURANCE (Page 24)
- 2–1 The Contract System (Page 24)
- 2–2 Types of Agreements (Page 24)
- Lump-Sum Agreement (Stipulated Sum, Fixed Price) (Page 25)
- Unit-Price Agreement (Page 25)
- Cost-Plus-Fee Agreements (Page 26)
- 2–3 Agreement Provisions (Page 26)
- 2–4 Bonds (Page 27)
- Bid Bond (Page 28)
- Performance Bond (Page 28)
- Labor and Material Bond (Page 28)
- 2–5 Obtaining Bonds (Page 28)
- 2–6 Insurance (Page 29)
- Web Resources (Page 30)
- Review Questions (Page 30)
- Chapter 3 PROJECT MANUAL (Page 31)
- 3–1 Introduction (Page 31)
- 3–2 Construction Specifications Institute (Page 31)
- 3–3 Invitation to Bid (Advertisement for Bids) (Page 34)
- 3–4 Instruction to Bidders (Information for Bidders) (Page 35)
- 3–5 Bid (Proposal) Forms (Page 37)
- 3–6 Form of Owner/Contractor Agreement (Page 37)
- 3–7 General Conditions (Page 37)
- 3–8 Supplementary General Conditions (Page 37)
- 3–9 Specifications (Page 38)
- 3–10 Alternates (Page 38)
- 3–11 Addenda (Page 38)
- 3–12 Errors in the Specifications (Page 39)
- Web Resources (Page 40)
- Review Questions (Page 40)
- Chapter 4 THE ESTIMATE (Page 41)
- 4–1 Organization (Page 41)
- 4–2 Planning the Estimate (Page 41)
- 4–3 Notebook (Page 41)
- 4–4 To Bid or Not to Bid (Page 42)
- 4–5 The Estimate (Page 42)
- 4–6 Site Investigation (Page 44)
- 4–7 Specialty Contractors (Page 45)
- 4–8 Materials (Page 46)
- 4–9 Workup Sheets (Page 46)
- 4–10 Summary Sheet (Page 47)
- 4–11 Errors and Omissions (Page 49)
- Web Resources (Page 50)
- Review Questions (Page 50)
- Chapter 5 COMPUTERS IN ESTIMATING (Page 51)
- 5–1 Overview (Page 51)
- 5–2 Benefits and Dangers of Computerized Estimating (Page 51)
- 5–3 Spreadsheets (Page 52)
- 5–4 Specialized Estimating Software (Page 52)
- 5–5 Takeoff Software (Page 53)
- Web Resources (Page 55)
- Review Questions (Page 55)
- Chapter 6 OVERHEAD AND CONTINGENCIES (Page 56)
- 6–1 Overhead (Page 56)
- 6–2 Home Office Overhead (Page 56)
- 6–3 Job Overhead (General Conditions, Direct Overhead) (Page 58)
- 6–4 Scheduling (Page 60)
- 6–5 Contingencies (Page 61)
- 6–6 Checklist (Page 61)
- Undistributed Labor (Page 61)
- Temporary Buildings, Enclosures, and Facilities (Page 61)
- Temporary Office (Page 62)
- Barricades and Signal Lights (Page 62)
- Temporary Utilities (Page 63)
- Repairs and Protection (Page 63)
- Relocating Utilities (Page 63)
- Cleaning (Page 63)
- Permits (Page 63)
- Professional Services (Page 64)
- Labor Burdens and Taxes (Page 64)
- Bonds and Insurance (Page 64)
- Miscellaneous Equipment and Services (Page 64)
- Web Resources (Page 64)
- Review Questions (Page 64)
- Chapter 7 LABOR (Page 66)
- 7–1 Labor Hours and Productivity (Page 66)
- 7–2 Unions—Wages and Rules (Page 69)
- 7–3 Open Shop (Page 70)
- 7–4 Labor Burden (Page 70)
- 7–5 Pricing Labor (Page 72)
- Web Resources (Page 73)
- Review Questions (Page 73)
- Chapter 8 EQUIPMENT (Page 74)
- 8–1 General (Page 74)
- 8–2 Operating Costs (Page 74)
- 8–3 Depreciation (Page 75)
- 8–4 Interest (Page 75)
- 8–5 Ownership Costs (Page 76)
- 8–6 Rental Costs (Page 77)
- 8–7 Miscellaneous Tools (Page 77)
- 8–8 Cost Accounting (Page 77)
- 8–9 Mobilization (Page 77)
- 8–10 Checklist (Page 78)
- Review Questions (Page 78)
- Chapter 9 EXCAVATION (Page 79)
- 9–1 General (Page 79)
- 9–2 Specifications (Page 79)
- 9–3 Soil (Page 79)
- 9–4 Calculating Excavation (Page 79)
- 9–5 Equipment (Page 80)
- 9–6 Earthwork—New Site Grades and Rough Grading (Page 80)
- Cross-Section Method (Page 82)
- Average End Area (Page 89)
- 9–7 Perimeter and Area (Page 91)
- 9–8 Topsoil Removal (Page 92)
- 9–9 General Excavation (Page 94)
- 9–10 Special Excavation (Page 98)
- 9–11 Backfilling (Page 98)
- 9–12 Excess and Borrow (Page 100)
- 9–13 Spreading Topsoil, Finish Grade (Page 100)
- 9–14 Landscaping (Page 100)
- 9–15 Pumping (Dewatering) (Page 101)
- 9–16 Rock Excavation (Page 101)
- 9–17 Subcontractors (Page 101)
- 9–18 Excavation Checklist (Page 101)
- 9–19 Piles (Page 102)
- 9–20 Pile Checklist (Page 103)
- 9–21 Asphalt Paving (Page 103)
- Web Resources (Page 104)
- Review Questions (Page 104)
- Chapter 10 CONCRETE (Page 105)
- 10–1 Concrete Work (Page 105)
- 10–2 Estimating Concrete (Page 105)
- 10–3 Reinforcing (Page 113)
- 10–4 Vapor Retarder (Page 120)
- 10–5 Accessories (Page 121)
- 10–6 Concrete Finishing (Page 121)
- 10–7 Curing (Page 123)
- 10–8 Transporting Concrete (Page 124)
- 10–9 Forms (Page 124)
- 10–10 Form Liners (Page 126)
- 10–11 Checklist (Page 127)
- 10–12 Precast Concrete (Page 127)
- 10–13 Specifications (Page 128)
- 10–14 Estimating (Page 128)
- 10–15 Precast Tees (Page 129)
- 10–16 Precast Slabs (Page 129)
- 10–17 Precast Beams and Columns (Page 130)
- 10–18 Miscellaneous Precast (Page 130)
- 10–19 Precast Costs (Page 130)
- 10–20 Precast Checklist (Page 131)
- Web Resources (Page 131)
- Review Questions (Page 131)
- Chapter 11 MASONRY (Page 132)
- 11–1 General (Page 132)
- 11–2 Specifications (Page 132)
- 11–3 Labor (Page 132)
- 11–4 Bonds (Patterns) (Page 132)
- 11–5 Concrete Masonry (Page 133)
- Concrete Block (Page 133)
- 11–6 Specifications—Concrete Masonry (Page 135)
- 11–7 Estimating—Concrete Masonry (Page 135)
- 11–8 Clay Masonry (Page 138)
- 11–9 Specifications—Brick (Page 138)
- 11–10 Estimating Brick (Page 139)
- 11–11 Specifications—Tile (Page 141)
- 11–12 Estimating Tile (Page 141)
- 11–13 Stone Masonry (Page 141)
- 11–14 Specifications—Stone (Page 141)
- 11–15 Estimating Stone (Page 141)
- 11–16 Mortar (Page 142)
- 11–17 Accessories (Page 142)
- 11–18 Reinforcing Bars (Page 146)
- 11–19 Cleaning (Page 146)
- 11–20 Equipment (Page 147)
- 11–21 Cold Weather (Page 147)
- 11–22 Subcontractors (Page 147)
- 11–23 Checklist (Page 148)
- Web Resources (Page 148)
- Review Questions (Page 148)
- Chapter 12 METALS (Page 149)
- 12–1 General (Page 149)
- 12–2 Structural Metal (Page 149)
- 12–3 Structural Metal Framing (Page 149)
- 12–4 Metal Joists (Page 151)
- 12–5 Metal Decking (Page 155)
- 12–6 Miscellaneous Structural Metal (Page 156)
- 12–7 Metal Erection Subcontractors (Page 156)
- 12–8 Miscellaneous Metals (Page 156)
- 12–9 Metal Checklist (Page 157)
- Web Resources (Page 157)
- Review Questions (Page 157)
- Chapter 13 WOOD (Page 158)
- 13–1 Frame Construction (Page 158)
- 13–2 Board Measure (Page 158)
- 13–3 Floor Framing (Page 159)
- 13–4 Wall Framing (Page 169)
- Exterior Walls (Page 169)
- Interior Walls (Page 176)
- 13–5 Ceiling Assembly (Page 177)
- 13–6 Roof Assembly (Page 179)
- 13–7 Trim (Page 182)
- 13–8 Labor (Page 182)
- 13–9 Wood Systems (Page 183)
- 13–10 Wood Trusses (Page 183)
- 13–11 Laminated Beams and Arches (Page 185)
- 13–12 Wood Decking (Page 185)
- 13–13 Plywood Systems (Page 186)
- 13–14 Wood Checklist (Page 186)
- Web Resources (Page 187)
- Review Questions (Page 187)
- Chapter 14 THERMAL AND MOISTURE PROTECTION (Page 188)
- 14–1 Waterproofing (Page 188)
- 14–2 Membrane Waterproofing (Page 188)
- 14–3 Integral Method (Page 189)
- 14–4 Metallic Method (Page 190)
- 14–5 Dampproofing (Page 190)
- 14–6 Painting Method (Page 190)
- 14–7 Parging (Plastering) (Page 191)
- 14–8 Insulation (Page 191)
- 14–9 Roofing (Page 193)
- 14–10 Roof Areas (Page 193)
- 14–11 Shingles (Page 194)
- Asphalt Shingles (Page 194)
- Wood Shingles (Page 194)
- 14–12 Built-Up Roofing (Page 195)
- 14–13 Corrugated Sheets (Including Ribbed, V-Beam) (Page 196)
- 14–14 Metal Roofing (Page 196)
- 14–15 Slate (Page 196)
- 14–16 Tile (Page 196)
- 14–17 Sheets, Tile, and Shingles Formula (Page 197)
- 14–18 Liquid Roofing (Page 197)
- 14–19 Flashing (Page 197)
- 14–20 Insulation (Page 197)
- 14–21 Roofing Trim (Page 197)
- 14–22 Labor (Page 198)
- 14–23 Equipment (Page 198)
- 14–24 Checklist (Page 198)
- Web Resources (Page 198)
- Review Questions (Page 198)
- Chapter 15 DOORS AND WINDOWS (Page 199)
- 15–1 Window and Curtain Wall Frames (Page 199)
- 15–2 Accessories (Page 202)
- 15–3 Doors (Page 203)
- 15–4 Prefitting and Machining (Premachining) Doors (Page 205)
- 15–5 Prefinishing Doors (Page 205)
- 15–6 Door Frames (Page 206)
- 15–7 Hardware (Page 207)
- 15–8 Accessories (Page 207)
- 15–9 Checklist for Doors and Frames (Page 207)
- 15–10 Glass (Page 207)
- Review Questions (Page 208)
- Chapter 16 FINISHES (Page 209)
- 16–1 Drywall and Wetwall Construction (Page 209)
- 16–2 Supporting Construction (Page 209)
- 16–3 Suspended Ceiling Systems (Page 212)
- 16–4 Types of Assemblies (Page 212)
- 16–5 Wallboard Types (Page 213)
- 16–6 Drywall Partitions (Page 214)
- 16–7 Column Fireproofing (Page 214)
- 16–8 Accessories (Page 214)
- 16–9 Wetwall Construction (Page 216)
- 16–10 Plaster (Page 217)
- 16–11 Lath (Page 218)
- 16–12 Accessories (Page 220)
- 16–13 Drywall and Wetwall Checklist (Page 220)
- 16–14 Flooring (Page 220)
- Wood Flooring (Page 220)
- Laminate Flooring (Page 221)
- Resilient Flooring (Page 221)
- Carpeting (Page 223)
- Tile (Page 224)
- 16–15 Painting (Page 224)
- 16–16 Floors and Painting Checklist (Page 225)
- Web Resources (Page 225)
- Review Questions (Page 226)
- Chapter 17 ELECTRICAL (Page 227)
- 17–1 Electrical Work (Page 227)
- 17–2 Single Contracts (Page 227)
- 17–3 Separate Contracts (Page 228)
- 17–4 Coordination Requirements (Page 228)
- 17–5 Checklist (Page 228)
- Review Questions (Page 230)
- Chapter 18 PLUMBING (Page 231)
- 18–1 Plumbing Work (Page 231)
- 18–2 Single Contracts (Page 231)
- 18–3 Separate Contracts (Page 233)
- 18–4 Coordination Requirements (Page 233)
- 18–5 Checklist (Page 233)
- Review Questions (Page 233)
- Chapter 19 HEATING, VENTILATING, AND AIR-CONDITIONING (Page 234)
- 19–1 HVAC Work (Heating, Ventilating, and Air-Conditioning) (Page 234)
- 19–2 Single Contracts (Page 234)
- 19–3 Separate Contracts (Page 234)
- 19–4 Coordination Requirements (Page 234)
- 19–5 Checklist (Page 235)
- Review Questions (Page 236)
- Chapter 20 PROFIT (Page 237)
- 20–1 Profit (Page 237)
- Review Questions (Page 238)
- Chapter 21 OTHER ESTIMATING METHODS (Page 239)
- 21–1 Overview (Page 239)
- 21–2 Project Comparison Method (Page 239)
- 21–3 Square-Foot Estimating (Page 240)
- 21–4 Assembly Estimating (Page 243)
- Web Resources (Page 245)
- Review Questions (Page 245)
- Appendix A: Drawings and Outline Specifications for Small Commercial Building (Page 246)
- Appendix B: Drawings and Outline Specifications for Residential Building Project (Page 248)
- Appendix C: Drawings and Outline Specifications for Commercial Building Project (Page 249)
- Appendix D: Common Terms Used in the Building Industry (Page 251)
- Appendix E: Conversions (Page 256)
- Appendix F: Billy’s C-Store (Page 258)
- Appendix G: WinEst Software and Spreadsheets (Page 259)
- INDEX (Page 274)
- A (Page 274)
- B (Page 274)
- C (Page 275)
- D (Page 276)
- E (Page 277)
- F (Page 277)
- G (Page 278)
- H (Page 278)
- I (Page 279)
- J (Page 279)
- K (Page 279)
- L (Page 279)
- M (Page 279)
- N (Page 280)
- O (Page 280)
- P (Page 280)
- Q (Page 281)
- R (Page 281)
- S (Page 282)
- T (Page 284)
- U (Page 284)
- V (Page 284)
- W (Page 285)