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GENERAL NOTES APPLICABLE TO PLATES C -18 ,C -19
C -20 C -21 C -22 C -23 C -49 ,
1. ALL ASPECTS OF WORK INCLUDED IN THIS PROJECT
SHALL BE GOVERNED BY AND IN COMPLIANCE WITH
FEDERAL AVIATION ADMINISTRATION GUIDELINES AND
REGULATIONS.
2. AIRPORT NAVIGATIONAL AID FIXTURE BASES,
ELECTRICAL HAND HOLES (NOT SHOWN), AND FIXED
DRAINAGE AND UTILITY FEATURES SHALL BE
PROTECTED WHERE ENCOUNTERED, UNLESS NOTED
OTHERWISE. RE– CONTOUR SURFACE AROUND
FIXTURES TO SLOPE AWAY FROM FIXTURE BASE
AS SHOWN ON PLATE C -49OR LIGHT CAN FIXTURE.
3. AFTER RE– GRADING, GRASSED SAFETY AREAS SHALL
BE SEEDED WITH WESTERN YARROW AND LUPIN SEED MIX.
4. ALL CONTOURS AND SPOT ELEVATIONS SHOWN
ARE EXISTING AND APPROXIMATE.
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5. WHEN GRADING GRASSED SAFETY AREAS, CONTRACTOR
SHALL PROTECT ALL EXISTING AIRPORT SURFACE
FEATURES. DAMAGED EQUIPMENT SHALL BE REPAIRED
OR REPLACED AT CONTRACTOR'S EXPENSE.
6. GRASS SOD WITHIN REGRADED SAFETY AREAS
SHALL BE BELOW THE SURFACE OF ADJACENT
PAVEMENT TO FACILITATE SHEET FLOW OF WATER
ACROSS PAVEMENT ONTO GRASS. SEE PLATE M -3 FOR
RUNWAY /TAXIWAY PAVEMENT AND GRASSED SAFETY
AREA INTERFACE.
7. RIVER SEDIMENT ACCUMULATED ON GRASSED SAFETY
AREAS DURING PREVIOUS HIGH WATER EVENTS SHALL
BE REMOVED AND DISPOSED OF OFF SITE.
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TYPE II C -8,TOP EL
18.0, IEE16.1.IEW
N 184, 998. 98
E 1, 298, 641. 94
PLAN
SCALE: 1" = 30'
2
1. - 30,
30' 15' 0 30' 60'
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FR 110
REMSIONS
MSCRIPTION A[e BY
MODIFIED PER AS —BUILT INFORMATION I'� 7 /—T jum
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AS -BUILT
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 & FLOODWALLS
LEFT BANK AIRPORT DRAINAGE IMPROVEMENTS I
RENTON WASHINGTOI
D 131-99 –`0017 0 E- 19 -1 -70 �98DEC03 C-18
N
PAN °" BRB -EE' 26
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SCANNED SEP 13 2002
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