UNIVERSITY OF THE PHILIPPINES LOS BAÑOS College of Engineering and Agro-Industrial Technology
Department of Civil Engineering
PIPE JACKING: THE CASE OF MS-01 GAPS ALONG ROXAS BOULEVARD
AND KABIHASNAN ROAD
DAN LESTER ONG ORBASE
BACHELOR OF SCIENCE IN CIVIL ENGINEERING
APRIL 2009
PIPE JACKING: THE CASE OF MS-01 GAPS ALONG ROXAS BOULEVARD
AND KABIHASNAN ROAD
DAN LESTER ONG ORBASE
SUBMITTED TO THE FACULTY OF THE
COLLEGE OF ENGINEERING AND AGRO-INDUSTRIAL TECHNOLOGY UNIVERSITY OF THE PHILIPPINES LOS BAÑOS
IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE
DEGREE OF
BACHELOR OF SCINCE IN CIVIL ENGINEERING
APRIL 2009
TABLE OF CONTENTS
Title page i
Acceptance sheet ii
About the Author iii
Acknowledgement iv
Table of Contents v
List of Figures vii
1. INTRODUCTION
1.1 Background of the Study 1
1.2 Significance of the Study 2
1.3 Objectives of the Study 3
1.4 Scope and Limitations of the Study 3
1.5 Date and Place of the Study 4
2. REVIEW OF RELATED LITERATURE
2.1 Pipe Laying 5
2.2 Water Distribution Systems 6
2.2.1 Water Source 6
2.2.2 Treatment Facility 6
2.2.3 Transmission Lines 7
2.2.4 Distribution Lines 7
2.3 Open Cut Method for Pipe Laying 7
2.3.1 Open Cut Methodology 8
2.3.1.1 Preliminary Planing 8
2.3.1.2 Route Selection 8
2.3.1.3 Soil Boring and Testing of Soil 8
2.3.1.4 Pipeline Design 8
2.3.1.5 Start Construction 9
2.3.2 Factors that Affect Pipe Construction in Trench 10
2.3.2.1 Site Investigation 10
2.3.2.2 Ground Movement 10
2.3.2.3 Groundwater Control 11
2.3.2.4 Protection 12
2.4 Trenchless Excavation for Pipe Laying 12
2.4.1 Horizontal Directional Drilling 13
2.4.2 Auger Boring 13
2.4.3 Microtunneling 13
2.4.4 Pipe Ramming 13
2.4.5 Pipe Jacking 14
2.4.5.1 Features of Pipe Jacking 15
2.4.5.2 Pipe Jacking Methodology 19
2.4.5.3 Pipe Jacking Advantages 20
2.4.5.4 Pipe Jacking Disadvantages 21
3. STUDY METHODOLOGY 22
4. OBSERVATIONS
4.1 Project Background 23
4.2 Materials used in Pipe Jacking 23
4.2.1 Steel Casing Pipe 23
4.2.2 Primary Steel Pipe 25
4.3 Equipment used in Pipe Jacking 25
4.3.1 Hydraulic Jack 25
4.3.2 Cutting Shield 26
4.4 Pipe Jacking Procedure 26
4.4.1 Preparation of Entry and Exit Pits 27
4.4.2 Jacking of Steel Casing 27
4.4.3 Jacking of Primary Pipe 31
4.4.4 Pipe Connecting 32
4.4.5 Rehabilitation of Entry and Exit Pits 33
5. DISCUSSION AND ANALYSIS
5.1 Pipe Jacking Methodology 34
5.1.1 Preparation of Entry and Exit Pits 34
5.1.2 Jacking of Steel Casing 34
5.2 Problems Encountered 35
5.2.1 Seepage 35
5.2.2 Deflection of Pipe from Alignment 36
5.2.3 Manhole Settlement 37
5.3 Alternative Solution as Proposed by the Contractor 37
5.4 Analysis of the Problems Encountered 38
5.5 Proposed Solution for Problems Encountered 39
6. CONCLUSION 42
7. RECOMMENDATIONS 43
BIBLIOGRAPHY 44
APPENDICES
Appendix A. Plan Layout for Gap 01 47
Appendix B. Plan Layout for Gap 02 48
Appendix C. Plan Layout for Gap 04&05 49
Appendix D. Plan Layout for Gap 07 50
Appendix E. Trenchless Pipe laying plan for Gaps 01, 02 and 04&05 51 Appendix F. Trenchless Pipe laying plan for Gaps 07 52
Appendix G. Typical Cross-Under Detail Plan 53
7.1LIST OF FIGURES
Figure 1-1. Vicinity Map of MS-01 Completion Gaps Project 2
Figure 2-1. Typical Sleeve type Coupling 6
Figure 2-2. Methods of Groundwater Control: a) Sump Pumping and 11 b) Single-sided Well Point
Figure 2-3. Application of Pipe Protection 12
Figure 2-4. Pipe Ramming Set-up 14
Figure 2-5. Typical Pipe Jacking Operation 15
Figure 2-6. Typical Entry Pit 16
Figure 2-7. Hand Shield 17
Figure 2-8. Hand Shield attached to Lead Pipe 17
Figure 2-9. Concrete Pipes used in Pipe Jacking 18
Figure 2-10. Jacking Equipment with Jacking Frame 19
Figure 2-11 Typical Pipe Jacking Methodology 20
Figure 2-12 Typical Jet Grouting 21
Figure 4-1. Trenchless Pipe Laying Plan for Gaps 01, 02 and 05 24
Figure 4-2. Trenchless Pipe Laying Plan for Gaps 07 24
Figure 4-3. Hydraulic Jacking Equipment 26
Figure 4-4. Jacking Frame where Pipes will be positioned 28 Figure 4-5. Slurry coming out of Pipe and Sump Pumping using Pump 28
Figure 4-6. Lead Pipe before Jacking 29
Figure 4-7. Pipe Jacking of Lead Pipe 29
Figure 4-8 Lead Pipe after Jacking 30
Figure 4-9 Cross-section of the Steel Pipes 31
Figure 4-10. Sleeve type Coupling Connection of Main Steel Pipe to Trenchless Pipe 32
Figure 5-1 Equivalent Pipes by the Contractor 38
Figure 5-2 Open Cut Proposed Solution below Obstruction 40 Figure 5-3 Obstruction Supporting System for Proposed Open Cut 41
