HomeMy WebLinkAboutD-28171BA
B
4
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
n.— M n ADIA-
3
2
_ WMSIONS
DESCRIPTION DATE BY
MODIFIED PER AS -BUILT INFORMATION 71200E I JW
C
I
5--f -J7- a8
4
s
PLAN
SCALE: 1" = 30'
3
1" = 30.
30' 15' 0 30' 60'
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2
FR a
1-1-1
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 II
RENTON WASHINGTOI
� N\9—Lw "o _ NI en>E vl_,rz
D B -99 -0017 E- 19 -1 -70 98DEC03 C -19
o PWN BRB -IT 27
SCANNED SEP 13 2002
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