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APPENDIX A

1103.418A Amendments to the Uniform Plumbing Code – Appendix A Recommended Rules for Sizing the Water Supply System

Appendix A of the 2009 Uniform Plumbing CodeTM _{is amended by the}

following provisions. Each section in the UPC that corresponds to one of the following provisions is hereby deleted where so noted or amended to read as set forth below. Each section set forth below without a corresponding provision in the UPC is added thereto.

Appendix A is included in the Plumbing Code with no changes. If any conflict of interpretations, requirements, or Ordinance sections of this Chapter occur between other similar Code

provisions and other St. Louis County Ordinances the more stringent requirement shall apply.

APPENDIX B

1103.418B Amendments to the Uniform Plumbing Code – Appendix B – Explanatory Notes on Combination Waste and Vent

Appendix B of the 2009 Uniform Plumbing Code TM is amended by the following provisions. Each section in the UPC that corresponds to one of the following provisions is hereby deleted where so noted or amended to read as set forth below. Each section set forth below without a corresponding provision in the UPC is added thereto.

Appendix B is included in the Plumbing Code with no changes. If any conflict of interpretations, requirements, or Ordinance sections of this Chapter occur between other similar Code

provisions and other St. Louis County Ordinances the more stringent requirement shall apply.

157 APPENDIX C – DELETED

APPENDIX D

Appendix D—Sizing Storm Water Drainage Systems.

Appendix D of the 2009 Uniform Plumbing Code TM is amended by the following provisions.

Each section in the UPC that corresponds to one of the following provisions is hereby deleted where so noted or amended to read as set forth below. Each section set forth below without a corresponding provision in the UPC is added thereto.

Appendix D – Sizing Storm Water Drainage Systems

Appendix D of the 2009 Uniform Plumbing Code TM _{is amended and}

included in the Plumbing Code with the following change:

1. In Table D-1 the Maximum Rates of Rainfall for St. Louis Missouri shall be 6.0 inches per hour and 0.063 GPM/Square Foot in lieu of the values listed.

If any conflict of interpretations, requirements, or Ordinance sections of this Chapter occur between other similar Code

provisions and other St. Louis County Ordinances the more stringent requirement shall apply.

APPENDIX E

Appendix E - Manufactured/Mobile Home Parks and Recreation Vehicle Parks

Appendix E of the 2009 Uniform Plumbing Code TM is amended by the following provisions.

Each section in the UPC that corresponds to one of the following provisions is hereby deleted where so noted or amended to read as set forth below. Each section set forth below without a corresponding provision in the UPC is added thereto.

Appendix E is included in the Plumbing Code with the following changes:

The St. Louis County Mechanical Code shall govern installation of Part D FUEL SUPPLY.

APPENDIX G

Appendix G - Gray Water Systems For Single Family Dwellings

Appendix G of the 2009 Uniform Plumbing Code TM is amended by the following provisions.

DELETED – MOVED TO CHAPTER 16 APPENDIX H

Appendix H - Recommended Procedures for Design, Construction and Installation of Commercial Kitchen Grease Interceptors

Appendix H of the 2009 Uniform Plumbing Code TM _{is amended by the}

158 DELETED

APPENDIX I

Appendix I - Installation Standards

Appendix I of the 2009 Uniform Plumbing Code TM is amended by the following provisions.

Each section in the UPC that corresponds to one of the following provisions is hereby deleted where so noted or amended to read as set forth below. Each section set forth below without a corresponding provision in the UPC is added thereto.

The standards referenced in this Code shall be considered part of the requirements of this Code to the prescribed extent of each such reference.

The appearance of Installation Standards in this Appendix does not, by itself, authorize the use of those items unless

specified elsewhere in this Code for use.

IS 8-95 PVC Cold Water Building Supply and Yard Piping 301.1.2.4.2 Primer shall not be purple.

313.4 Exposed Piping

Vertical piping may extend a maximum of twenty-four (24”) inches (610mm) above grade when located on the exterior of the building or structure and protected from mechanical damage to the

satisfaction of the Authority Having Jurisdiction.

IS 9-95 PVC Building Drain, Waste and Vent Pipe and Fittings 301.1.4.1 Color Primer shall not be purple.

313.4 Exposed Piping

Piping shall not be exposed to direct sunlight. Exception: Vent piping through roof.

Adequate support shall be provided where PVC piping is exposed to wind, snow and ice loading.

316.1 Solvent Cement Joints

316.1.4 A listed primer in compliance with ASTM F 656 shall be

used on all PVC DWV joints. Primer shall not be purple. APPENDIX J

2009 Reclaimed Water Systems for Non-Residential Buildings has been moved to chapter 16 – part II

APPENDIX K - 2009 PRIVATE SEWAGE DISPOSAL SYSTEM

Appendix K is not adopted and is not included in the Plumbing Code. Chapter 22 is adopted in lieu of this Appendix K.

1103.418L Amendments to The Uniform Plumbing Code TM – _{APPENDIX L}

– Alternate Plumbing Systems. --Appendix L of the 2009 Uniform

Plumbing Code TM _{is amended by the following provisions. Each}

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provisions is hereby deleted where so noted or amended to read as set forth below. Each section set forth below without a corresponding provision in the UPC is added thereto.

Appendix L is accepted by the Plumbing Code as a reference only and may be used as an engineered system if approved by the

Authority Having Jurisdiction.

If any conflict of interpretations, requirements, or Ordinance sections of this Chapter occur between other similar Code

provisions and other St. Louis County Ordinances the more stringent shall apply.

L 4.0 Fixture Unit Values for Bathroom Groups - Deleted L 4.1 Table L-1 Deleted

L 4.1 Table L-2 Deleted L 4.1 Table L-3 Deleted L 4.1 Table L-4 Deleted L 6.0 Vent System Sizing.

L6.1 Size of Vents. The size of vent piping shall be determined from the developed length and the total number of drainage

fixture units connected thereto as set forth in Table 7-5 Vents shall not be less than one-half (1/2) the required size of the drainage pipe size served as determined by Table 7-5 for

Horizontal Fixtures and Stacks nor less than 0ne and one-quarter (1-1/4) inches (32 mm) in diameter. The drainage system shall be vented by not less than one (1) vent pipe which shall be not less than one-half (1/2) the size of the required building drain and which shall extend from the building drain or extension of building drain to the outdoors. Vents shall be installed in accordance with Chapter 9.

L 9.0 Single Stack Vent System.

L 9.2 Stack Size. Drainage stacks shall be sized according to Table 7-5. A maximum of two (2) water closets shall be permitted to discharge to a three (3) inch (80 mm) stack. Stacks shall be uniformly sized based n the total connected drainage fixture unit load, with no reductions in size.

Table L - 5 Deleted Table L - 6 Deleted

1103.418M Amendments To The Uniform Plumbing Code TM -APPENDIX M – Code Illustrations. --Appendix M, A copy of which is

maintained on the St. Louis County internet under Public Works, is hereby enacted and added as an additional appendix to the 2009 Uniform Plumbing Code TM

The drawings contained in Appendix M are intended to aid in the clarification of various methods, installation practices and piping configurations, which conform to the requirements of this Code. Drawings # 43, 44, 45, and 46 are new in this ordinance. Where these drawings contain differences with this Code, these drawings shall prevail if piping is installed exactly as shown on the drawings.

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If any conflict of interpretations, requirements, or Ordinance sections of this Chapter occur between other similar Code

provisions and other St. Louis County Ordinances the more stringent shall apply.

SECTION 2. The provisions of this Ordinance shall become effective on 1st day of the next month following ninety (90) calendar days after its adoption by the County Council and approval of the County Executive.

ADOPTED: _November 5, 2013_ _Kathleen_Kelly_Burkett December 3, 2013 CHAIR, COUNTY COUNCIL March 4, 2014___

___Hazel_M._Erby__________ VICE CHAIR, COUNTY COUNCIL

APPROVED: November 6, 2013_____ ___CHARLIE_A._DOOLEY______ December 4, 2013 COUNTY EXECUTIVE

March 5, 2014_______ ATTEST: _Genevieve M. Frank_____

ADMINISTRATIVE DIRECTOR

APPROVED AS TO LEGAL FORM:

Patricia Redington COUNTY COUNSELOR