mliveexisting trees / bushes legend fence historical river channel location notes huron river bank...
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EXISTING TREES / BUSHES
LEGEND
FENCE
HISTORICAL RIVER CHANNEL LOCATION
NOTES
HURON RIVER BANK
EXISTING MONITORING WELL LOCATION AND NUMBER
1. BASE MAP DEVELOPED FROM SITE PLAN PROVIDED BY MICHCON, DATEDOCTOBER 2007 AND UPDATED USING AERIAL PHOTOS AND DATA FROM ALIMITED SITE SURVEY CONDUCTED IN JUNE 2009, APRIL 2010, AND JULY 2011(NAVD88), AND SITE TOPO DATED AUGUST 2011.
2. OFF-SITE FEATURES ARE DEPICTED CONCEPTUALLY. RIVER WIDTH ANDBOUNDARY APPROXIMATE.
3. PLANTING ZONE A TO BE SEEDED AND PLANTED WITH SHRUBS, SEDGES ANDGRASSES. SEE SPECIFICATIONS ON SHEET 17.
4. PLANTING ZONE B TO BE SEEDED AND PLANTED WITH NATIVE TREES ANDOTHER LARGE ROOT STRUCTURE PLANTS. SEE SPECIFICATIONS ON SHEET 17.
5. SEE SEEDING, ROAD GRAVEL , RIP RAP AND PLANTING SECTIONS INSPECIFICATIONS ON SHEETS 16 AND 17.
6. APPROXIMATE LOCATION OF WHITEWATER FEATURES AS PLANNED BY THECITY OF ANN ARBOR.
7. SALVAGED FENCE TO BE INSTALLED FROM EXISTING FENCE TO EDGE OFRIVER. POSTS TO BE INSTALLED MAXIMUM 1-FOOT DEEP OVER CAP AREA.FENCE POST INSTALLATION CANNOT PENETRATE SELECT CRUSHED STONEBED.
8. EROSION CONTROL AND REVEGETATIVE MAT TO BE INSTALLED FROM THEUPSLOPE EDGE OF RIP RAP TO THE DOWNSLOPE EDGE OF PLANTING ZONE BAS WELL AS ANY DISTURBED AREA WITHOUT RIP RAP WITHIN 30' OF THERIVER BANK AS SHOWN ON THIS DRAWING. SEE DETAIL 1, SHEET 14.
9. ALL DISTURBED AREAS MUST BE STABILIZED WITH SEEDING OR AGGREGATEIN ACCORDANCE WITH SOIL EROSION CONTROL PERMIT.
10. SEE DETAIL 6, SHEET 12 FOR NAPL TRAPPING CAP RESTORATION.
11. PERMANENT MARKERS TO BE MINIMUM 3' DIAMETER BOULDERS INSTALLEDAS PART OF CAP RESTORATION.
MW-6
RAILROAD TRACKS
APPROXIMATE SITE BOUNDARY
FORMER RAILROAD TRACKS (SPUR)
APPROXIMATE CITY STORM DRAIN LOCATION
SEEDING
AREA OF NAPL TRAPPING CAP
ROAD GRAVEL
RIP RAP
PLANTING ZONE A
PLANTING ZONE B
DETAIL NUMBER
SHEET NUMBER
411
765 PROPOSED FINAL GRADE (5' CONTOUR)
PROPOSED FINAL GRADE (1' CONTOUR)
EXISTING GROUND SURFACE CONTOUR (5')
EXISTING GROUND SURFACE CONTOUR (1') PERMANENT MARKER LOCATION
EXISTING FLOOD PLAIN BOUNDARY
APPROXIMATE EXISTING FLOODPLAIN ELEVATION
766.8DRAINAGE PATTERN
SeeNote 10
APPROXIMATELOCATION OF
ORIGINALHURON RIVER
CHANNEL(FILLED ~1915)
GATE
TW-6R
TW-2
W-3
TW-8
MW-1
TW-1
ET-04
ET-05
ET-06
W-7
TW-9
W-8
TW-11
MW-2
F L O W D I R E C T I O N
FORMERSERVICE CENTER
BUILDINGFOUNDATION
H U R O NR I V E
R
W-4
W-6
AMTR
AK ST
ATION
ENTR
ANCE
GATE
FORMER MICHCONBROADWAY STREET
MGP SITE
TW-3
GAT
E
SHEET PILE WALL
DEPOT STREET
NORT
H 4t
h AV
ENUE
ARGO DAM
AMTRAK PARKING LOT
(EASTERN PARCEL)
(WESTERN PARCEL)
GATE
GATE
DOCKINGBAY
W-10
ET-02
W-2
TW-5
TW-10
ALLENCREEKDRAIN
BROA
DWAY
STRE
ET
ET-03
CONC
RETE
CONCRETE
See Note 4
See Note 3
BACKFILL FORPRE-EXISTINGGRASSY AREAS (TYP)
311
BACKFILL FORPRE-EXISTING
PAVED AREAS (TYP)
411
MW-3
See Note 8
See Note 8
SALVAGEDFENCE
(See Note 7)
765
760
770
PERMANENTMARKER
(See Note 11)
BUILDING DECONSTRUCTED TOAVERAGE FOUNDATION ELEVATION OF
766.68'. INCREASED FLOODPLAINSTORAGE VOLUME ~55 CUBIC YARDS
RIVERBANK GRADED PER DESIGN. NETINCREASED FLOODPLAIN STORAGE
VOLUME ~1,155 CUBIC YARDS.
766.1
766.8
767.8
779.5
WHITEWATERFEATURE HURONRIVER STRUCTURE 2(SEE NOTE 6)
WHITEWATERFEATURE HURONRIVER STRUCTURE 1(SEE NOTE 6)
0
APPROXIMATE SCALE IN FEET
50' 100' 150' 200' 1540 Eisenhower PlaceAnn Arbor, MI 48108Phone: 734.971.7080Fax: 734.971.9022
FILE NO.
SCALE:
DATE PRINTED:
PROJ. NO.
PROJECT:
SHEET TITLE:
DATE:
DRAWN BY:
CHECKED BY:
APPROVED BY:
REVISIONDATE
2.
1.
NO.
3.
BY APP'D.
APRIL 2012
AS INDICATED
192363.0000.01
FIGURE 10
FORMER MICHCON BROADWAY STREET MGPANN ARBOR, MICHIGAN
SITE RESTORATION PLAN
DGS
CWD
VEB
DGS 04/26/12 SITE PLAN FOR PLANNING COMMISSION REVIEW VEB