HomeMy WebLinkAbout234.0012'/15' MAINTENANCE ACCESS ROADNOTES:
1.THIS DETAIL IS A SCHEMATIC REPRESENTATION ONLY. ACTUAL CONFIGURATION WILL VARY DEPENDING ON SPECIFIC SITE
CONSTRAINTS AND APPLICABLE DESIGN CRITERIA.
2.SEE STANDARD PLAN 234.10 FOR TYPICAL DETENTION POND CROSS SECTIONS.
3.ACCESS ROAD AND RAMP SHALL MEET REQUIREMENTS IN STANDARD PLAN 234.50.
4.SIDE SLOPES (INTERIOR AND EXTERIOR) SHALL NOT BE STEEPER THAN THREE (3) FEET HORIZONTAL TO ONE (1) FOOT VERTICAL.
5.OPEN PONDS SHALL NOT BE LOCATED IN DEDICATED PUBLIC RIGHT-OF-WAY.
6.EXPOSED EARTH ON THE POND BOTTOM AND INTERIOR SIDE SLOPES SHALL BE SODDED OR SEEDED WITH AN APPROPRIATE SEED
MIXTURE PER SECTION 5.1.1.1 OF THE CITY OF RENTON SURFACE WATER DESIGN MANUAL (RENTON SWDM). ALL REMAINING AREAS
OF THE TRACT MUST EITHER BE PLANTED WITH GRASS, OR BE LANDSCAPED IN ACCORDANCE WITH LANDSCAPING REQUIREMENTS
INCLUDED IN SECTION 5.1.1.1 OF THE RENTON SWDM.
7.LANDSCAPING, TREES, POND GEOMETRY AND FENCING STANDARDS ARE SPECIFIED IN STANDARD PLAN 234.40.
8.SEE CONSTRUCTION PLANS FOR SPECIFIC PROJECT REQUIREMENTS.
POND
DESIGN
WATER
SURFACE
15% MAX.FLOWTRACT LINES
AS REQUIRED
POND INLET
5' SETBACK MIN.
6" SEDIMENT
STORAGEFLOW
ACCESS RAMP
INTO POND
COMPACTED
EMBANKMENT
LEVEL
BOTTOM
FLOWFLOWEMERGENCY OVERFLOW
SPILLWAY ROCK LINING
CONTROL STRUCTURE
ALTERNATE EMERGENCY OUTFLOW STRUCTURE
FOR PONDS NOT REQUIRED TO PROVIDE A SPILLWAY
TOE OF SLOPE
QUARRY
SPALL PAD
3H:1V MAX.
3H:1V MAX.
3H:1V MAX.
TYPICAL DETENTION POND
STD. PLAN - 234.00C234.10PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEGregg Zimmerman
Public Works Administrator
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)A234.10
B
234.10
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9/28/2018 | 9:45 AM PDT