Estimating and Cost Planning Using the New Rules of Measurement

Foreword by Allan Ashworth ix

Preface xi

Acknowledgements xiii

List of Tables and Diagrams xv

Glossary of Terms xix

1 Introduction 1

1.1 Introduction 1

1.2 Standard methods of measurement 4

1.3 Pricing 6

2 A Practical Introduction to Measurement 7

2.1 A practical introduction to measurement 7

2.2 Measurement procedure 11

3 Code of Measuring Practice 15

3.1 Introduction 15

3.2 The purpose of the Code 16

3.3 Measurement 18

3.4 Good practice 23

3.5 Practical application: GIFA London Road 33

3.6 Self-assessment exercise: GIFA London Road 35

4 How to Use the New Rules of Measurement 1 37

4.1 Introduction 37

4.2 Framework 39

4.3 Estimates 44

4.4 Cost plans 46

4.5 Information 50

4.6 Practical application: Included and excluded 51

4.7 Self-assessment exercise: Conversion to NRM 53

5 NRM 1 Estimates 55

5.1 Practice and procedure 55

5.2 Method of measurement 60

5.3 Practical application: Estimate London Road Basement 63

5.4 Self-assessment exercise: Estimate London Road RC Frame 69

6 NRM 1 Cost Plans 71

6.1 Practice and procedure 71

6.2 Elements 73

6.3 Method of measurement for cost plans 76

6.4 Cost plans 82

6.5 Practical application: Cost Plan London Road Basement 84

6.6 Self-assessment exercise: Cost Plan London Road RC Frame 93

7 Information 95

7.1 Introduction 95

7.2 Information requirements for estimates 96

7.3 Information required for the cost plans 98

7.4 Progressive provision of information 108

8 Preliminaries, Risk, Overheads and Profit 115

8.1 Introduction 115

8.2 Preliminaries 115

8.3 Risk 123

8.4 Overheads and profit 128

8.5 Practical example: Site based preliminaries 128

8.6 Self-assessment exercise: Weekly running costs 130

9 Unit Rates 131

9.1 Introduction 131

9.2 Labour rates 132

9.3 Labour constants 135

9.4 Materials 136

9.5 Plant 137

9.6 Practical application: For concrete, brickwork, partitioning, roofing, windows 139

9.7 Self-assessment exercise: Reinforcement 151

10 Cost Analyses 153

10.1 Introduction 153

10.2 Types of indices 154

10.3 Requirements of indices 156

10.4 Problems with indices 157

10.5 Using indices to adjust estimates 159

10.6 Practical application: Cost adjustment for customer service centre 165

10.7 Self-assessment exercise: Cost adjustment for educational building 176

Appendices

1. London Road drawing: No. SDCO/1/01 Site Layout, Size A 1 185

2. London Road drawing: No. SDCO/1/02 Plan, Elevation and Section. Size A1 187

References 189

Index 191