ISBN-10:
0130821977
ISBN-13:
9780130821973
Pub. Date:
02/22/2001
Publisher:
Pearson Education
Bidding and Estimating Procedures for Construction / Edition 2

Bidding and Estimating Procedures for Construction / Edition 2

by Hal Johnston, G. L. Mansfield

Hardcover

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Product Details

ISBN-13: 9780130821973
Publisher: Pearson Education
Publication date: 02/22/2001
Edition description: 2ND
Pages: 262
Product dimensions: 8.70(w) x 10.70(h) x 0.75(d)

Read an Excerpt

PREFACE:

PREFACE

This book reviews procedures and methods that would assist an estimator to prepare an estimate in a professional manner. Examples of quantity takeoff and pricing are limited to those trades traditionally performed by general contractors with their own labor force (although many of these are now subcontracted to specialty contractors): excavation and general earthwork operations, concrete and formwork, masonry, and rough and finished carpentry work.

This is not an estimating reference book that an estimator can flip through to find unit costs of plastering, or painting, or plumbing or heating installations, or other specialty trade work. There are many excellent books available that cover those and similar items.

For whom, then, has this book been written? The person we visualized when we started writing was a young person presently taking, or having recently completed, a two-year construction technology course at a university or polytechnic institute. This course would emphasize quantity surveying and estimating techniques. We hope this book might prove a useful source of reference or add further dimension or perspective to what had been taught and studied, or be equally useful to someone starting a career in the construction industry, particularly as a junior or trainee estimator.

Who else might find it useful? A construction company manager might dip into these pages for some background on estimating and bidding functions. Also, someone starting a new construction company—an ex-superintendent or engineer perhaps—might learn a few pointers about organizing an estimating division. Even a few veteranestimators (our peers, in fact) might gain a certain satisfaction from seeing some of their own methods endorsed or might feel even more satisfied with their own methods where they differ from those recommended in these pages.

The quantity takeoff examples are provided to demonstrate some of the fundamental quantity surveying techniques, although I fully agree that time limitations would restrict the indulgence in such meticulous recording and side-noting of the dimensions. However, it is beneficial to all of us, trainees and experienced estimators alike, to be occasionally reminded about the basic rules of good quantity surveying practices.

The quantities and examples of priced estimates evolve around a university or college building to be used as a research center. The drawings of this building in the text show only the pertinent details necessary for a demonstration of quantity takeoff. In some instances, items appear on the quantity sheets or in the estimate summaries for which no drawings or details are provided in the text.

A brief work should be said about the metric or SI (Systeme international) units noted on the Schedules of Items and Measurements in later chapters. These units are intended to show the recommended units of measurement for work measured in the metric system; they do not represent the exact equivalent in metric for an American unit of measurement. For example, the recommended unit of measurement for an item stated in American as a "square foot" is usually stated in metric as a square meter of m2, even though a square meter (10.764 sft) is closer in actual size dimensions to a square yard. Also the metric dimensions shown on the drawings are hard metric conversions, indicating what these dimensions would be if the project were designed in metric.

Table of Contents

1. Introduction to the Estimating and the Bid Process.
2. Bid Strategy and Bid Selection.
3. Preliminary Procedures.
4. Prebid Communication.
5. Take-off: General Comments.
6. Take-off: Sitework.
7. Take-off: Concrete and Formwork.
8. Take-off: Masonry.
9. Take-off: Misc. Metals and Structural Steel.
10. Take-off: Rough and Finished Carpentry.
11. Pricing the Estimate: Basic Principles.
12. Pricing the Estimate: Examples.
13. Estimating Site Overhead Costs.
14. Closing the Bid.
15. Computer Estimating.
Appendix A: CSI Format.
Appendix B: Formulas.
Appendix C: Metric Conversion Factors.
Appendix D: Glossary of Terms.
Appendix E: Estimating Forms.
Index.

Preface

PREFACE

This book reviews procedures and methods that would assist an estimator to prepare an estimate in a professional manner. Examples of quantity takeoff and pricing are limited to those trades traditionally performed by general contractors with their own labor force (although many of these are now subcontracted to specialty contractors): excavation and general earthwork operations, concrete and formwork, masonry, and rough and finished carpentry work.

This is not an estimating reference book that an estimator can flip through to find unit costs of plastering, or painting, or plumbing or heating installations, or other specialty trade work. There are many excellent books available that cover those and similar items.

For whom, then, has this book been written? The person we visualized when we started writing was a young person presently taking, or having recently completed, a two-year construction technology course at a university or polytechnic institute. This course would emphasize quantity surveying and estimating techniques. We hope this book might prove a useful source of reference or add further dimension or perspective to what had been taught and studied, or be equally useful to someone starting a career in the construction industry, particularly as a junior or trainee estimator.

Who else might find it useful? A construction company manager might dip into these pages for some background on estimating and bidding functions. Also, someone starting a new construction company—an ex-superintendent or engineer perhaps—might learn a few pointers about organizing an estimating division. Even a few veteran estimators(our peers, in fact) might gain a certain satisfaction from seeing some of their own methods endorsed or might feel even more satisfied with their own methods where they differ from those recommended in these pages.

The quantity takeoff examples are provided to demonstrate some of the fundamental quantity surveying techniques, although I fully agree that time limitations would restrict the indulgence in such meticulous recording and side-noting of the dimensions. However, it is beneficial to all of us, trainees and experienced estimators alike, to be occasionally reminded about the basic rules of good quantity surveying practices.

The quantities and examples of priced estimates evolve around a university or college building to be used as a research center. The drawings of this building in the text show only the pertinent details necessary for a demonstration of quantity takeoff. In some instances, items appear on the quantity sheets or in the estimate summaries for which no drawings or details are provided in the text.

A brief work should be said about the metric or SI (Systeme international) units noted on the Schedules of Items and Measurements in later chapters. These units are intended to show the recommended units of measurement for work measured in the metric system; they do not represent the exact equivalent in metric for an American unit of measurement. For example, the recommended unit of measurement for an item stated in American as a "square foot" is usually stated in metric as a square meter of m2, even though a square meter (10.764 sft) is closer in actual size dimensions to a square yard. Also the metric dimensions shown on the drawings are hard metric conversions, indicating what these dimensions would be if the project were designed in metric.

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