HomeMy WebLinkAboutSWP2702817.274
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NOTES:
1. GRADE SHALLOW DRAINAGE SWALE TO
ENSURE CONTINUOUS (3% MAX) SLOPE
TO TOP OF CATCH BASIN.
2. THIS AREA CONTAINS 18 NDB RADIALS,
60' IN LENGTH APPROXIMATELY 1' BELOW
GROUND SURFACE. THIS AREA SHALL NOT
BE DISTURBED DURING RE —GRADING ACTIVITIES.
3. EXISTING TAXIWAY PAVING TO BE REMOVED.
REGRADE AREA AS SHOWN.
4. REMOVE EXISTING CATCH BASIN AND ASSOCIATED,
450 SLOPED ASPHALT PATCH. INSTALL 12" CONCRETE
CONNECTOR PIPE TO JOIN EXISTING PIPE ENDS, THEN
BACKFILL TO MATCH SURROUNDING GRADE.
5. ADD COLLAR TO ADJUST TOP OF EXISTING CATCH
BASIN TO MATCH SURROUNDING GRADE. REMOVE
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SCALE:: 1 " = 30'
REVISIONS
SYMBOL ZONE DESCRIPTION DATE By
MODIFIED PER AS -BUILT INFORMATION 7/2001 JLM
IF SHEET IS LESS THAN 32" X 21" IT IS A
REDUCED PRINT, REDUCE SCALE ACCORDINGLY
U.S. ARMY ENGINEER DISTRICT, SEATTLE
CORPS OF ENGINEERS
SEATTLE, WASHINGTON
LOWER CEDAR RIVER FLOOD CONTROL
LEVEES AND FLOODWALLS
LEFT BANK AIRPORT DRAINAGE IMPROVEMENTS it
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!�D I GRAFTING
4 3 2
RENTON WASHINGTON
SIZE �NVITATi_`; N0. FILE No _ DATE_ PLATE
D B-99-0017 E-19-1-70 98DEC03 C-19
DSGN. PWN BRB SHEET 27
SCANNED SEP 13 211e2