INCENTIVES AND DISINCENTIVE GUIDELINE FOR CONTRACTS IN NIGERIA

CHAPTER ONE

INTRODUCTION

1.1  Relevance of project

1.2  Site inspection

1.3  Evolution of road network in Nigeria

1.4  Motor vehicle characteristic that affects road design data

1.5  Drivers and their characteristics

1.6  Reconnaissance survey

1.6.1Chain survey

1.6.2Station marking

1.7  Factors Affecting Choice Of Station

CHAPTER TWO

THEODOLITE TRANSVERSING OF THE ROAD CONTROL

2.1  Definitions

2.2  Thetheodolite

2.3  Theodorite adjustment

2.3.1Temporary adjustment

2.3.2Permanent adjustment

2.4  Procedure for theodolite traversing

2.5Materials used for the theodolte traversinging

CHAPTER THREE

PROJECT FIELD LEVELING WORK

3.1  Leveling

3.2  Profile leveling

3.3  Cross leveling

3.4  Objectives of leveling

3.5  Instruments used in leveling

3.6  Temporary adjustment of leveling instrument

3.7  Definition of some leveling terminologies

3.8  Leveling book

3.9  Earthwork computation

3.9.1Method

CHAPTER FOUR

SOIL ANALYSIS

4.1  Collection and preliminary preparation of samples

4.2  Mechanical analysis

4.3  Atterberg/consistency limit tests

4.3.1Liquid limit test

4.3.2Plastic limit test

4.4  Compaction test

4.5  The California bearing ratio (cbr) test

4.6  Pavement design using cbr

CHAPTER FIVE

GEOMETRIC ELEMENTS DESIGN

5.1  Basic design parameters

5.1.1Design speed

5.1.2Gradient

5.1.3Sight distance

5.2  Curve design

5.3  Curve parameters and formula used, in designing of horizontal curves

5.4  Vertical curve design

5.5  Cross sectional elements of the road

5.6  Brief description on stages of work and equipment used n road constriction

5.7  Summary and conclusion

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