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COMPLIANCE OF THE INSTALLATION OF SANITARY DRAINAGE LINES IN 409 SHAW PROJECT BASED ON THE NATIONAL PLUMBING
CODE OF THE PHILIPPINES AND PROJECT’S TECHNICAL SPECIFICATIONS
JO-MAR TEMPLORA PEÑARANDA 2004 – 04432
SUBMITTED TO THE FACULTY
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 SCIENCE IN CIVIL ENGINEERING
APRIL 2010
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TABLE OF CONTENTS
Title Page i
Acceptance Sheet ii
About the Author iii
Acknowledgement iv
Table of Contents vi
List of Tables viii
List of Figures ix
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. Building Drainage System 5
2.1.1. Drainage Pipes 6
2.1.2. Traps 7
2.1.3. Vents 7
2.1.4. House Drain 8
2.1.5. House Sewer 9
2.2. Pipes 9
2.2.1. Types of Pipe Materials 9
2.2.1.1. Cast Iron Pipe 10
2.2.1.2. Steel Pipe 10
2.2.1.3. Plastic Pipe 11
2.2.2. Installation of Pipes 11
2.2.2.1. Pipe Connections 12
2.2.2.2. Pipe Supports and Hangers 12
2.2.2.3. Pipe Sleeves 13
2.2.3. Testing of Pipes 13
2.2.3.1. Air Test 14
2.2.3.2. Water Test 14
2.3. Design Consideration for the Size of House Drain 14
2.4. Codes and Standards 16
3. STUDY METHODOLOGY 17
4. OBSERVATIONS
4.1 Pipe Installation 18
4.1.1. Pipe Hangers and Supports 19
4.1.1.1. Horizontal Pipes 19
4.1.1.2. Vertical Pipes 20
4.1.2. Pipe Sleeves 21
4.1.3. Pipe Connections 22
4.2. Pipe Size of the House Drain 23
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4.3. Inspection and Testing of Sanitary Drainage Lines 23 5. RESULTS AND DISCUSSIONS
5.1. Pipe Materials 24
5.2. Pipe Sizing of the House Drain 25
5.3. Pipe Installation 27
5.3.1. Pipe Hangers and Supports 27
5.3.2. Pipe Sleeves 28
5.3.3. Connection of Pipes 28
5.4. Pipe Inspection and Testing 29
6. SUMMARY AND CONCLUSIONS 30
7. RECOMMENDATIONS 32
8. REFERENCES 33
9. APPENDICES
Appendix A. Plumbing Layout for the Basement Floor
Figure A-1. Basement Floor Plumbing Layout 37
Figure A-2. Basement Floor Plumbing Layout (Gridline 1 – 6) 38 Figure A-3. Basement Floor Plumbing Layout (Gridline 6-10) 39 Figure A-4. Basement Floor Plumbing Layout (Gridline 10-15) 40 Appendix B. National Plumbing Code of the Philippines 41 Appendix C. Bill of Quantities for Plumbing Fixtures
Table C-1. Quantity of Plumbing Fixtures and Accessories 52
Table C-2. Calculations of Total Plumbing Fixture Units 53 Appendix D. Inspection and Work Request for Testing 54 Appendix E. Technical Specification (409 Shaw) 56
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LIST OF TABLES
Table 2-1. Types of Vents 8
Table 2-2. Equivalent Fixture Values of Different Plumbing 15 Fixtures
Table 5-1. Calculations of Total Fixture Load 25
Table 5-2. Maximum Fixture Unit Loading 26
Table 6-1. Compliance on National Plumbing Code of the Philippines 30 and Technical Specifications
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LIST OF FIGURES
Figure 1-1 Ongoing construction of 409 Shaw towers 1
Figure 2-1 Typical drainage system in a building 6
Figure 2-2 A sink equipped with a trap 7
Figure 2-3 Types of Cast iron soil pipe 10
Figure 2-4 Different kinds of support for horizontal pipes 13
Figure 4-1 An example of PVC pipe 18
Figure 4-2 An example of cast iron soil pipe 18
Figure 4-3 PVC pipe supported by hangers 19
Figure 4-4 Cast iron soil pipe supported at close interval 19
Figure 4-5 Threaded rods attached to the ceiling 20
Figure 4-6 An example of hangers used in supporting pipes 20 Figure 4-7 Vertical pipe at the 7th floor supported at the base by a collar 21
Figure 4-8 Cast iron soil pipe used as pipe sleeve 21
Figure 4-9 A vertical pipe joined by sleeve type coupling 22 Figure 4-10 Example of a sleeve type coupling showing its parts 22 Figure 5-1 Approved brand material for cast iron soil pipe. 24 Figure 5-2 Horizontal pipeline supported at each interval 28 Figure 5-3 Vertical pipeline supported at every floors 28
Figure 5-4 Connected cast iron soil pipe 29
