City of Sunnyside
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CITY OF SUNNYSIDE DESIGN AND CONSTRUCTION STANDARDS AND SPECIFICATIONS FOR PUBLIC WORKS IMPROVEMENTS JANUARY 2018 CITY OF SUNNYSIDE DESIGN AND CONSTRUCTION STANDARDS AND SPECIFICATIONS FOR PUBLIC WORKS IMPROVEMENTS City of Sunnyside 819 East Edison Avenue Sunnyside, WA 98944 (509) 837-5206 JANUARY 2018 Sunnyside Construction Standards Index INDEX CHAPTER 1 - GENERAL .......................................................................................................... 1-1 1. ENACTING AUTHORITY .......................................................................................... 1-1 2. PURPOSE ................................................................................................................. 1-1 3. STATE ENVIRONMENT POLICY ACT (SEPA) ........................................................ 1-1 4. CONFLICTING PROVISIONS .................................................................................. 1-1 5. SEVERANCE ............................................................................................................ 1-1 6. PROCESS ................................................................................................................. 1-1 7. ENGINEERING DESIGN PLAN REQUIREMENTS .................................................. 1-2 8. PLAN REVIEW AND INSPECTION FEE .................................................................. 1-2 9. RECORD DRAWINGS .............................................................................................. 1-3 10. TRANSFER OF OWNERSHIP ................................................................................ 1-3 11. EASEMENTS .......................................................................................................... 1-3 12. VARIANCE .............................................................................................................. 1-3 13. CITY OF SUNNYSIDE FORMS AND PERMITS ..................................................... 1-4 CHAPTER 2 - GENERAL PLAN REQUIREMENTS .................................................................. 2-1 GENERAL PLAN FORMAT ........................................................................................... 2-1 WATER SYSTEM PLAN REQUIREMENTS .................................................................. 2-2 SANITARY SEWER SYSTEM PLAN REQUIREMENTS ............................................... 2-2 STORMWATER SYSTEM PLAN REQUIREMENTS ..................................................... 2-3 STREET PLAN REQUIREMENTS ................................................................................. 2-4 CHAPTER 3 - GENERAL REQUIREMENTS FOR ALL PROJECTS ........................................ 3-1 FOREWARD .................................................................................................................. 3-1 GENERAL ...................................................................................................................... 3-1 1-01 DEFINITIONS AND TERMS ..................................................................... 3-2 1-03 AWARD AND EXECUTION OF CONTRACT ........................................... 3-3 1-05 CONTROL OF WORK ............................................................................... 3-4 1-07 LEGAL RELATION AND RESPONSIBILITIES TO THE PUBLIC ............. 3-7 1-08 PROSECUTION AND PROGRESS ........................................................ 3-10 1-10 TEMPORARY TRAFFIC CONTROL ....................................................... 3-11 CHAPTER 4 - WATER SYSTEM IMPROVEMENTS ................................................................. 4-1 GENERAL REQUIREMENTS FOR WATER SYSTEM IMPROVEMENTS .................... 4-1 SPECIAL PROVISIONS FOR WATER SYSTEMS ........................................................ 4-2 7-09 WATER MAINS ......................................................................................... 4-3 7-12 VALVES FOR WATER MAINS ................................................................. 4-5 7-14 HYDRANTS .............................................................................................. 4-6 7-15 SERVICE CONNECTIONS ....................................................................... 4-8 CHAPTER 5 - SANITARY SEWER SYSTEM IMPROVEMENTS.............................................. 5-1 GENERAL REQUIREMENTS FOR SANITARY SEWER SYSTEM IMPROVEMENTS 5-1 SPECIAL PROVISIONS FOR SANITARY SEWER SYSTEM IMPROVEMENTS ......... 5-3 7-05 MANHOLES, INLETS, CATCH BASINS, AND DRYWELLS ..................... 5-3 7-08 GENERAL PIPE INSTALLATION REQUIREMENTS ............................... 5-5 7-17 SANITARY SEWERS ................................................................................ 5-5 7-18 SIDE SEWERS ......................................................................................... 5-7 CHAPTER 6 - STORMWATER IMPROVEMENTS ................................................................... 6-1 GENERAL REQUIREMENTS FOR STORMWATER IMPROVEMENTS ...................... 6-1 DESIGN CRITERIA ............................................................................................ 6-2 DESIGN STORMS ............................................................................................. 6-2 HYDROLOGIC ANALYSIS ................................................................................. 6-3 TREATMENT BMP SIZING ................................................................................ 6-4 FLOW CONTROL .............................................................................................. 6-4 STREET DRAINAGE ......................................................................................... 6-5 Sunnyside Construction Standards Index SPECIAL PROVISIONS FOR STORM SEWERS AND DRAINAGE ............................. 6-6 7-02 CULVERTS ............................................................................................... 6-6 7-04 STORM SEWERS ..................................................................................... 6-7 7-05 MANHOLES, INLETS, CATCH BASINS, AND DRYWELLS ..................... 6-8 7-08 GENERAL PIPE INSTALLATION REQUIREMENTS ............................... 6-9 CHAPTER 7 - STREET IMPROVEMENTS ............................................................................... 7-1 GENERAL REQUIREMENTS FOR STREETS .............................................................. 7-1 TRAFFIC STUDIES ............................................................................................ 7-1 STREET REQUIREMENTS ............................................................................... 7-1 SPECIAL PROVISIONS FOR STREETS ...................................................................... 7-2 2-01 CLEARING, GRUBBING, AND ROADSIDE CLEANUP ........................... 7-2 2-02 REMOVAL OF STRUCTURES AND OBSTRUCTIONS ........................... 7-3 2-03 ROADWAY EXCAVATION AND EMBANKMENT ..................................... 7-4 2-07 WATERING ............................................................................................... 7-5 4-04 BALLAST AND CRUSHED SURFACING ................................................. 7-6 5-04 HOT MIX ASPHALT .................................................................................. 7-6 8-04 CURBS, GUTTERS, AND SPILLWAYS .................................................... 7-9 8-06 CEMENT CONCRETE DRIVEWAY ENTRANCES ................................. 7-10 8-14 CEMENT CONCRETE SIDEWALKS ...................................................... 7-10 8-21 PERMANENT SIGNING .......................................................................... 7-11 8-22 PAVEMENT MARKING ........................................................................... 7-11 8-30 CONTROLLED DENSITY FILL (NEW SECTION) ................................. 7-11 APPENDIX A - TRANSFER OF OWNERSHIP FORMS APPENDIX B - STANDARD DETAILS APPENDIX C - SEPA CHECKLIST Sunnyside Construction Standards Chapter 1 - General CHAPTER 1 - GENERAL 1. ENACTING AUTHORITY These Design and Construction Standards are enacted by the City of Sunnyside, in accordance with state law, to protect and preserve public health, safety, and general welfare. 2. PURPOSE The purpose of these Design and Construction Standards is to provide consistent requirements, standards, and specifications for the design and construction of public works infrastructure improvements by the City and by private developers. 3. STATE ENVIRONMENT POLICY ACT (SEPA) These Design and Construction Standards will not affect any considerations involving issues under the State Environmental Policy Act (SEPA). The City’s responsible official will continue to make all necessary SEPA decisions when individual proposals are submitted. 4. CONFLICTING PROVISIONS The standards, procedures, and requirements of these Design and Construction Standards are the minimum necessary to promote the health, safety, and welfare of the residents of the City of Sunnyside. The City may adopt more rigorous or different standards, procedures, and requirements whenever necessary. If the provisions of these Design and Construction Standards conflict with one another, or if a provision of these Design and Construction Standards conflicts with the provision of the City Code or another Ordinance of the City, the most restrictive provision or the provision imposing the highest standard shall prevail. 5. SEVERANCE If any provision of these Design and Construction Standards or its application to any person or circumstance is for any reason held to be invalid, the remainder of these Design and Construction Standards or the application