SW5240103_Plansheet - SCM Detail_20240522

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NORTH AMERICAN GREEN SC250TURN /�` U Lo
REINFORCEMENT SPILLWAY MAT
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175 EMERGENCY WEIR C
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a2;INV IN 172.85 / \ �
INV OUT 17, /
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OUTLET PROTECTION (NOT TO SCALE) i In Q10
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• CLASS B
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NI • THICKNESS 18" L _ E
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/ PROPOSED RIP-RAP LINED SPILLWAY CLASS , // / i
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ELEVATION 172 / j �
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MADE IN THE U-SA
I Q FI❑�D� AVAILABLE MATERIALS: U d
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m r / D �j \ MILD STEEL(NO FINISH)-WGT: 243.81bs.
•R7 ` -i9 / s I ❑❑ I STAINLESS STEEL WGTDI243 8 bs.243_S Ifs.
❑�❑❑� ❑Q I ❑❑❑00❑E]EI❑❑❑❑ ! ALUMINUM-WGT: 82.31bs. 12
CUSTOM SIZES AVAILABLE z
\$ \�\ / / / 6 ' ` `— 4 AVAILABLE UPON REQUEST WITH'
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ANTI-VORTEX PLATES
Wh LPK-4848 0
AQUATIC SHELF 173 — —
r F im LSMORWNW000 kono 48 k48 PEAKED ROOF TRASH RACK Z
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INV OUT 171.90 '
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\ \ \ �\ \-•, �\ � \ 100-YR STORM-173.64 174.0-TOP .�
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PRO 20'WIDE EMERGENCY OVERFLOW oy�\_\\ \ I 10-YR STORM-173.32 3'WEIR 173.25 �5 v
WEIR ELEVATION 175 \ Q /\\
TEMPORARY POOL 173.19 z
PRO NORTH AMERICAN GREEN AY MA \\\\C N PERMANENT OUTLET 1-YR STORM-172.97
TURF REINFORCEMENT SPILLWAY MAT \\�`� \\�\ �
\ \? y PRO CLASS B
\ `�`� _�� \`.,\ \ • APRON LENGTH 4' 6' CONCRETE WALLS �
PRO PARALLEL PIPE END SECTION INV 170, \ • THICKNESS 18'" /i � \ 6+AQUATIC SHELF
Ex. In\Fur I\
I 172-INVERT 1.25"WATER
�`.169.14 -c�rS \ I� QUALITY ORIFICE / 4 /\\\\ \� \/ \\ / /\\ •L
\ \\ 171.90-15"INVERT OUT
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\ \ 168.81 G \
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OQtiS /\\%\\ o a a o \170 5 �TT\O\/OF\\`X
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166 BOTTOM OF SEDIMENT STORAGECd
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1. CONTRACTOR SHALL SUBMIT SHOP \���\\\r/�\\\\ �\\\//�\\\\��X \\� L� C Q�
DRAWINGS,PRIOR TO INSTALLATION, �
TO MACK GAY ASSOCIATES,PA FOR Omi L
APPROVAL. OUTLET STRUCTURE DETAIL
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STRUCTURE � � � � E
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PLANTING NOTES: .0
1. DO NOT PLANT WEEPING LOVE GRASS,TREES OR WOODY
SHRUBS ON THE VEGETATIVE SIDE SLOPES
2. DO NOT PLANT ANY TREES WITHIN 10 FEET OF INLET OR L
OUTLET PIPES �O CL
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3. TREES WITH WATER SEEKING ROOTS SUCH AS WEEPING a
WILLOWS AND POPLARS SHOULD BE AVOIDED WITHIN 50 FEET ri
OF PIPES OR MANMADE STRUCTURES.
4. EVERGREEN TREES WHICH PRODUCE RELATIVELY LITTLE
1.25"WATER QUALITY LEAF-FALL ARE PREFERRED IN AREAS DRAINING TO DETENION a
ORIFICE CUT INTO CAP AREAS. U)
P F POND 176
5. TREES SHOULD BE SET BACK SO THAT BRANCHES DO NOT a
— — — — — — — — 173.64 MAXIMUM STAGE-100YR STORM
TOP OF POND 176 6 ALL EXTEND OVER THE PERMANENT POOL
UALI 1 1 O ND SLOPES INCLUDED THE DAM STRUCTURE AND
O (NOT TO SCALE)RI NON GLUM NG TURFOG ES SHALL BE VEGETATED WITH A
_ ORIFICE DETAILFRONT/BACK SIDE
7 SUCH AS CENTIPEDE OR
— — — — — — — — 173.19 TEMPORARY POOL
— — — — — — — —RfP-RAP LINED SPILLWAY — — — — — — — — — — — — — — — — .
ERMUDA OR TALL FESCUE
_ I MINIMUM 50 PLANTS PER 200SF OF VEGETATED SHELF. 1,845 �L- CA /i 9
I�III— - - - - - - - - - - - - - - _ - - - - - -173TOP6'WIDEAQUATICSHELF - - _ _ _ _ _ _ _ SF N VEGETATED SHELF REQUIRES A MINIMUM.M 4I �����FZ�N,,, �� '- 172 PERMANENT POOL _—_—_
172PERMANEN — — — — — — — — — - - - - - - - - - - - - - - - - - - - - - - - - - - (PEAT PLAN �,
15"RCP OUTLET P 2.g6P PLANTS TO BE PLANTED ON THE AQUATIC SHELF.MINIMUM OF � FES'SlO '
T POOL-BOTTOM OF AQUATIC SHELF 3 DIVERSE SPECIES OF HERBACEOUS PLANTS.THE ;�� �L�:: 0-
FOLLOWING SPECIES SHALL BE USED IN EQUAL QUANTITIES: SEAL =
° I I=III ANTI-SEEP COLLAR 7.1, AL INCARNATA(SWAMP MILKWEED) 03E
Lti g —I I —� I—III ° _ T Z EUPATORIADELPHUS FISTULOSUS(JOE PYE WEED) _ - = i
169 BOTTOM OF FOREBAY p0 OQ� �— ° INVERT 171.90 7.3. HIBISCUS COCGINEUS(SCARLET ROSE MALLOW) > a
—I ( I—� - yP �gl,I— —III—?7' �p� ° — 8. SPACING SHOULD BE APPROXIMATE G �c� '
_ _ _ _ Yam_
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I I i I I I I�I I�168 BOTTOM OF SEDIMENT STORAGE I I�� I 1�I_s�°Fs� ' III_ MAINTENANCE NOTES: APPROXIMATELY 24"TO 36"ON � I N Q- � o
2N�Q�� BACK OF OUTLET STRUCTURE LOCATED AT CENTERS;YIELDING COMPLETE COVERAGE IN 1-2 YEARS 'i r A R. " .�� ,��� Q
—III—I 1 I—i I I—I 11—III—I ( I —1 111-I I °FS 167 BOTTOM OF POND gv0_ I I III— TOE OF 6'AQUATIC SHELF 1• IMMEDIATELY AFTER THE WET DETENTION BASIN IS ESTABLISHED, 9. ON THE TOPS OF THE BERMS AND ON THE EXTERIOR SLOPES o
Ida THE PLANTS ON THE VEGETATED SHELF AND PERIMETER OF THE
— — — _ _ OF CONTAINMENT BERMS,MAINTAIN TURF GRASS IN ACCESS
—III 4 BASIN SHOULD BE WATERED TWICE WEEKLY IF NEEDED,UNTIL AREAS;CENTIPEDE IS RECOMMENDED
166 BOTTOM OF SEDIMENT STORAGE I—) I I—( I I--—I I I!I —III- PLANTS BECOME ESTABLISHED(COMMONLY SIX WEEKS).
I I—i I i—i ill f I— —4 I!I f — — — — — — — — — — — — — Ai
10. WILDFLOWERS,NATIVE GRASSES AND GROUND COVERS
_ _ 1 I I—I I MI i I—I I I—Ill— 2. NO PORTION OF THE WET DETENTION POND SHOULD BE FERTILIZED SHOULD BE SELECTED TO MINIMIZE MOWING
III—III-III'III—III—I I I_I I I—III—III—III-I I (—III—I 1 I—) I I-III—III—III-=1 FILL OUTLET STRUCTURE AFTER THE FIRST INITIAL FERTILIZATION THAT IS REQUIRED TO Horz. Scale: see inset �
—+ +—I i I—I j 1—I i=�l I=) I I _I I— I I—, _I i—� I�, . i I ESTABLISH THE PLANTS ON THE VEGETATED SHELF.
_III —I WITH CONCRETE 3. STABLE GROUND COVER SHOULD BE MAINTAINED IN THE DMNAGE NOTES: Vertical Scale: n/a
AREA TO REDUCE THE SEDIMENT LOAD TO THE WET DETENTION 1 CONTRACTOR TO OVER EXCAVATE POND 20"TO PROVIDE 12"OF a
BASIN. IMPERMEABLE CLAY LINER WITH AN INFILTRATION RATE OF LESS Date: 10-21-2023
4. IF THE BASIN MUST BE DRAINED FOR AN EMERGENCY OR TO THAN 0.01 INCHES PER HOUR.CLAY LINER SHALL EXTEND FROM THE 1
PERFORM MAINTENANCE,THE FLUSHING OF SEDIMENT SHOULD BE BOTTOM OF THE POND UP TO THE 430 ELEVATION Project No.: P210191 0 WATER QUALITY POND CROSS SECTION MINIMIZED. 2- A LICENSED SOIL SCIENTIST MUST CERTIFY THAT THE CLAY LINER IS N
(NOT 70 SCALE)
5. PORTABLE PUMP SHALL BE UTILIZED FOR DRAINING THE POND INSTALLED CORRECTLY AND THE IN PLACE INFILTRATION RATE IS Drawn by: LFH
LESS THAN 0.01 INCHES PER HOUR o
Checked by:
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