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Washougal City Hall Closed to Public Until June 9 for Security Improvements Project
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Engineering Standards Details
Drainage
Drainage
Area Inlet (PDF)
Beveled End Section (PDF)
Catch Basin Frame (PDF)
Catch Basin Outlet Pipe Trap (PDF)
Catch Basin Type 1 (PDF)
Cleanout (PDF)
Comb Curb Inlet (PDF)
Curb Inlet Type 1 (PDF)
Ditch Inlet (PDF)
Drainage Detail Sheet 1 (PDF)
Drainage Detail Sheet 2 (PDF)
Drainage Detail Sheet 3 (PDF)
Drainage Detail Sheet 4 (PDF)
Flat Ditch (PDF)
Gravity Pipe (PDF)
Herringbone Grate (PDF)
Manhole Details (PDF)
Manhole Frame Cover (PDF)
Perforated Pipe Section (PDF)
Precast Drywell (PDF)
Roof Infiltration System (PDF)
Roof Infiltration System Notes (PDF)
Sediment Manhole (PDF)
Standard Storm Manhole (PDF)
Storm Notes (PDF)
Tamperproof Manhole (PDF)
Trench Sections (PDF)
V Ditch (PDF)
Backflow
Drainage
Erosion
Sanitary
Stormwater Development Fees
Transportation
Water
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