SW8950818_APPROVED PLANS_19951016

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SWL c 5 0 $ 18
DOC TYPE
❑ CURRENT PERMIT
IN APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
1q't 5 101\..
YYYYMMDD

r
EX. OUTLET STRUCTURE
2e RCP INV. OUT 19.4' �
SEE DETAIL
28
24
22
n.
it'd EX. CB 4 STA 2+52
NEW T/C 26.63 i {{d�ti;
49 INV IN 10.80 i
••� �+s 48" INV OUT 12.70
NEW 12' INV. IN 23.63
...a EX. DROP INLET 3 STA 5+25
EXISTING POND ^�. '' i NEW GRATE 26.56 EX. CB 2 STA "96 VEGETATIVE FALTER SWALE
o 48' INV IN 20.33 NEW T/C 27.2a 1 WE BOTiifAf 4,
f 0 48" INV OUT 20,23 15" MiY. IN 2320'LINE IT W/
CB 25 T/C 27.70 AM OR
1- 12" INV 24.50 2:1 SIDE SLOPE
-_NEW 12" INV IN 22.00 w
EX. 48' INV 19.35' } I � y � T c 27.a3 �. ,� k � � NEW 30" INV IN 20.50
15 INV. IN 23 20 a
Cit MAT PER DETAIL
`_= - EX. 36 IF 48" RCP ® 48" INV OUT 20.49` fi n
24a0" O 0.19% EX. CB 7 STA 0+15 � `� a II � � 3+00 x
d
NEW T/C 26.50 e
48" INV IN 19.52 yy J� J i 27.30 x "
E A _ SEX RIP RAP 48" INV OUT 19.4 ( �~
P MEAtEN7 EX. CS 8 STA 1+91 12 CP O 0.55%
_ td
_ NEW T/C 28.00 f , za.30
119.4'
: <.. �.,,,,,'^••..,"",_, 48' INV OUT 19,42'EX 7. '/ "^- "'*»"'^" , 0 1.P • / 27. / ._,.
70
Eww
` _- - 1 = `�0 4 fz�e.so 31Z ' '^-� x WALL EEL 2400
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TOP OF WALL EL 2&00
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24
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,4 �_ 28.60+ 28. 0 \ \ \ P' S
29.00 ' z . \ \ \ \ j ! ,. LO gD/NG za.to ' 24 ti > * r »
61
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27.09 ae.
s.so zaso 2e.s�o _ \\ \\ / / /
+ z6.3at zaso �/ ae.5o ! 60 .60 �%` '^ ' \ \ ' / / r c // %, \ .
27.59 69 28.00 28.00 4 a zaso 2e.4o - `e \�i.=zaso
+ 2at° 2a2 28.10..
r c zaso I+I1 + 28.60 i _ `� ,4RBB
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EX EX, C.B.
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T -- .,_ .,, 28.80-""'s.! . 0 28.60
RCM 28 0' 2 s - ^, r ♦ °_�
INV. 22.4' a4o
EX C B. C.B. \ / + s.so '^ ` + \ \ ' ♦ 1
RN 25°9 RIM 25.7 T 140 F RCP +
INV. 22 INV. 2 AI L 15' � \
an
CB 8 C 27.50 120 LF 18 R T +8 - _ " 'go T/C 29.40 27.50
8" INVeel 1OU 24"06 \ �♦
15' V OUT 24.00 \ CB 16 T/C 26.80 L
CB 9 T/C 27.30 ` 24" INV IN 21.00 �, w a
15" INV IN 23.79 1 ^^38• JN1G QUT 20.95 \
18" INV OUT 23. 9 y 12" INV IN'Tl A
CS 10 T/C 27.30 7
18" INV IN 23.35 �w 12' RCP
s 18" INV OUT 23.25 i, O" T O 0. -.. �►� { , N
28.50
AIA
t. 1� �/ �' \ T \ �'k• T C 2 C8 17 T/C 26.40 ''*' +.c.«^�`,�+, "`
y i EXIT TYP \ \ j
° GRAVEL CONSTRUCTION CB 15 T/C 7.00 \ \ Q r c r j 12' INV OUT 22.90
) + za6o 2) tb" IN IN
T 21.70 70
r,:' ' d + 28.9040,
R \ \ >r
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e
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RIM4° �" C8 1 T/C 27.80 zaso \ %/ / 4ti' : f ,^
., yn ` INV 21,0` 15" V OUT 24.30 \ \ \ \ ♦ `� ~ ®i� / ft : �,
%� =6st u + 28.90
%'��+N.t-•,� � ,- °mil �, \ \ \ \ \ r c 7. � `,� O � .'
♦ _ "`. -- eef CB 12 T/C 27.6 w \ \ \ T 2 . a
do
`+ram aiy •. o 15" INV IN 24.05 0 0 \ \
_ =' _ 18" INV OUT 23. \ \d` ///
PAPO 0.1 Z 5. RCP - 12 8' RCP CB 1.5 T/C 7.60 \ \ \\ \ \�/ / 7 r c 0
-
�18" INV IN
INV OU 23.55 CB 14
l�4t
I � """.-.-•-.,�'�„--•- ",... 1 INV OUT 23.15
FUTURE
WRE
T/C 27.9' I 1 ^�t
I INV (1r 22.3' i 0 a.00 't 120 LF k /
INV iNOf
24' �a�a -_ Oo 0.25X
OUT 19.
REMOVE EX. PVC S�Z_�
AT STRUCTURE '��"►. 9qG._ 7 T �� / t4/A / r
It NEW 18 INV. IN 21.16 9.0o OB 2Tj�C
2a7o 12' INV IN
OUT 23.45 T 7 CB 19 T/C Sd 1-+t ♦~'tw + " 1 �/
/ 6 ,r
' 0 �� _ _ ' O +28.30 i / % su
f ' RIM 281
I � % � • I'''' � IN 300 1 / + `-..CB 18 T/C reM � �
' 18 RCP / ��I IN INV 5 REMOVE EX. 15' RCP tf!l, v OUT 24.30
1 84X y OUT 36" IN AREA OF NEy� .�,., """+, - / ` "'-- W �!f
/� i ✓ PAVEMENT AND PLtlfa ��"w`r.,,`
29.7 $ / END WITH CONCRETE RIM 2a.6°
... ,,,.i y \4'►`A / . IN 30' 17.8'
I R OUT 3a 17.7'
CS 23 T/C 27.40 i ` R"E as L AIV�`
12' INV OUT 23.90 Q
28.00
1-/� `yy r '. •, p ,R v' f
STORM MANHOLE 24 v VV 1 / \ / r ii �ii R L >2 K
♦ 18' INV IN 22.31�'
♦ i i i 18" INV OUT 22.21``
+�_`�"+ \♦ _` 1_ f ' 9 SZRU ..' """ 29.50 ("1Lk.�i ►'Ter / a // { ` /I �� �� • f':� x(
oET,vL c6 21 T/C 27.00 cB 22 T/C 27. »1 t 2 15" INV IN 23.20
•_�_� (� 15' INV OUT 23 0 / #� �� / �2
' •. 15 INV OUT 23.10 �
13"
CLASS 1 RIP RAP I " ` RCP
OUTLET PROTECTION 1 12 FES �� .�y ' / +�
51W 5L X 13" THK. INV 23.00 Y
\V10= 1.57 FPS ♦ t 6a I�rLe9
4-1
/ [ATER
D
STORM WATER ?e ✓ " I /` 2146(Z5z xZ / gS / OCT 1 6'1995
77 _ S
vl v RA
PERMANENTPPOND 3 1+�+_�,___ .�..`, .ZI ����Z / �� S1I / ' SCOg1-9
POND BOTTOM r0 4.
7 INV 22.8 -+..+ �__ . - ✓ i .21 C35 ) / / / PROJ D.
1" STORAGE 24.40 `•00, . 1 T -�
I
MC q
1/
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o _ I �- C
/W qQ "- --�.� '___.,,(.. C(Z4x / GRAPHIC SCALE
ro `ti\ �� _` " `-- - '" 3��' + fob 13 g� A
30 0 18 30 60 120
/ f Cr
IN FED' )
"` -� 21C (43 x 1�� �3 X'l,� 1-+•••�, �„�>n = so n. q
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I
f;ONSTRUGTION SEQtJFhfQE
a. GRAVEL PAD TO BE 12'x 50' AND 5' THICK MINIMUM
1. OBTAIN ALL APPROVALS NECESSARY TO. WAN AND COiWR'LETE THE PROJECT.
b. TURNING RADIUS SUFFICIENT TO 2. SCHEDULE AND HOLD A PRECONSTRUCTION CONFERENCE KITH NEW HANOVER
ACCOMMODATE LARGE TRUCKS IS TO BE L
COUNTY EROSION CONTROI. PERSONNEL.
PROVIDED.
3. INSTALL ilJITIAL EROSION CONTROL MEASURES INCLUDING GRAVEL CONSTRUCTION
EXITS, SILT FENCE. AND THE STORMWATER POND ON LOT 5G.
c. ENTAAKE(S) SHOULD BE LOCATED To -
PROVIDE FOR MAXIMUM UTILITY BY ALL _I' 4. PERFORM ROUGH GRADING AND INSTALL STORM DRAINAGE AND INLET PROTECTION
CONSTRUCTION VEHICLES. - - -' - I DEVICES.
CONCRETE BLOCK 5. STABILIZE ALL DISTURBED AREAS WITHIN 30 DAYS.
d. MUST BE MAINTAINED IN A CONDITION I I I -I -1 1- 11-1 I I 1 C 1 I II 6. AFTER THE SITE HAS BEEN STABILIZED AND APPROVED BY A FINAL INSPECTION
WHICH WILL PREVENT TRACKING OR DEWATERING BY NEW HANOVER COUNTY EROSION CONTROL PERSONNEL. THE CONTRACTOR SHALL
DIRECT FLOW OF MUD ONTO STREETS. COMPACTED FILL REMOVE ALL TEMPORARY EROSION CONTROL DEVICES ON THE SITE AND REMOVE
PERIODIC TOPORESS94G WITH STONE AND PROPERLY DISPOSE OF ALL COLLECTED SEDIMENT.
SILL BE NECESSARY; KEEP SOME HANDY.
e. ANY MATERIAL WHICH STILL MAKES IT — -
ONTO THE ROAD MUST BE CLEANED UP -- V a 0
IMMEDIATELY. 00
BACKFILL MIN 8" 00000�
THICK LAYER OF GRAVEL FILTER FABRIC — 0 a.• •
—P °0 °O °°° ° SEEDING SCHEDULE
1 I CONSTRUCTION SPECIFICATIONS � ° °
° ° �— Fall Permanent Seeding August 15 - November 1
1. LAY ONE BLOCK ON EACH SIDE OF THE STRUCTURE C�CQb p)o000o atb — Lima 2 tons/ac
QJ — ON ITS SIDE ON THE BOTTOM ROW TO ALLOW POOL Do Oxbo
T � DRAINAGE. THE FOUNDATION SHOULD BE EXCAVATED �— 5-10-10 Fertilizer 1000 tbs/oc
Sp, — AT LEAST 2 INCH BELOW THE CREST OF THE STORM �' �— 0-20-0 500 Ibs/ac
DRAIN. PLACE THE BOTTOM ROW OF THE BLOCK AGAINST �---- �� Unscoritisd Sartcso Lsepedeza 80 Ibe/ac
V-TRENCH I THE EDGE OF THE STORM DRAIN FOR LATERAL SUPPORT Ky-31 Fescue 30 iba/ac
I AND TO AVOID WASHOUTS WHEN OVERFLOW OCCURS. 2:1 SLOPE, GRAVEL FILTER Rye Grain 25 Ibe/ao
IF
I I it — 1 —I I �I ROWSEBY PLACING 2xDED, GIVE 4AWOOD STUDS L SUPPORT OTHROUGH SUBSEQUENT Straw Mulch 2 tons/ac
BLOCK OPENINGS. WIRE SCREEN
6" Mill Winter Temporary Cover November 1 - February 28 �s('
2. CAREFULLY FIT HARDWARE CLOTH OR COMPARABLE TEMPORARY SEDIMENT
WIRE MESH WITH 1/2-INCH OPENING OVER ALL POOL
BLOCK OPENING TO HOLD GRAVEL IN PLACE. Lime 2 tons/cc
C LA
J DEWATERING
10-10-10 Fertilizer 700 Ib/ ac
3. USE CLEAN GRAVEL,3/4-TO 1/2-INCH IN Oats 50 Ibs/ac
COARSE AGGREGATE 1 DIAMETER, PLACED 2 INCHES BELOW THE TOP 16" Stravross iAulch 20 Ibs2 tons ac
2-3" EXTENSION OF FABRIC AND WIRE OF THE BLOCK ON A 2:1 SLOPE 0;1 FLATTER AND 1'MIN. ` /
INTO THE TRENCH SMOOTH IT TO AN EVEN GRADE. DOT #57 WASHED
STONE IS RECOMMENDED. 2'MAX
NOTES: APPLICABLE AT ALL POINTS OF FILTER FABRIC Spring Permanent Seeding March 1 -April 30 '
INGRESS h EGRESS UNTIL SITE IS i� li _ .• I' Lima 2 tons/cc
STABILIZED, FREQUENT CHECKS OF — — 5-10-10 Fertilizer 1000 Ibe/ac
THE DEVICE AND TIMELY l —I I — ' ' 0-20-0 500 Ibe/oc
MAINTENANCE MUST BE PROVIDED. — WIRE Somifled Saricea o 50 Ibs/ac
SEDIMENT Lea30 lb
- Ky-31,Fescus 30lbajac
Browntop Millet 20 Ibs/oc
Straw Mulch 2 tons/cc
IT a" Late Spring Permanent Seeding March 15 - June 30
Lime 2 tons/cc
10-10-10 Fertilizer 1000 ft/oc
I,
TEMPORARY CONSTRUCTION ENTRANCE/ EXIT INSTALLATION DETAIL OF SEDIMENT FENCE BLOCK AND GRAVEL DROP INLET PROTECTION D-2D-D 50o Ibe/ea
sceriflea seriwa Lespedaza 40 Ibe/oc
Common Bermuda Grass (hulled) B Ibs/ae
Straw Mulch 2 tons/ac
Summer Temporary Cover June - August 15
Lkne 2 tons/cc
1. PLANTING DETAIL APPLIES TO ALL DECIDUOUS TREES AND LARGE SPECIMEN EVERGREEN SHRUBS. SHRUB MULCH RING 10-10-10 Fertilizer 700 Ibe/ae
AND PLANTING PIT TO BE 2" GREATER THAN SPREAD OF PLANT AT BASE.
Browntop Millet 40 Ibs/ac
2. CONTRACTOR SHALL PRUNE CROWDED, BROKEN OR LOW BRANCHES. CUT FLUSH LEAVING CAMBIUM EDGE CLEAN. Straw Mulch 2 tons/ae
Shoulders, Side Ditches, Slopes (Max, 3* 1)
Date Type Planting Rate
STAKES Aug 15 - Nov 1 Tall Fescue 120 Ibe./acre
r--- WIRE & TURNBUCKLE Nov 1 - Mar 1 Tali Fescue 120 Ibs./acre
HOSE !r Abruzzi Rye 25 the./acre
PLANTING PIT
CENTER OF TREE Mar 1 - Apr 15 Tall Fescue 120 Ibs./core
Apr 15 - Jun 30 Mulled Common 12 tbs./acre
Bermudogroas
BALL
Jul 1 - Aug 15 Tall Fescue and 60 Ibs /acre
GUY DETAIL
*..Browntop Millet 35 Ibs,/=$
•..or sorghum -Sudan 30 Ibe./oars
PLAN Hybrids
Slopes (3:1 to 2.1)
Mar 1-June 1 Sericea Lespedezo 50 Ibe./acre
STABILIZED WITH (scariRed) '
- FORM SAUCER 3" DEEP AROUND VEGETATION t ;
TOP OF BALL TO HOLD WATER. TRASH RACK FORMED (Mar 1-Apr 15) Add Tall Fescue 60 Ibs./acre
3 LOOPS OF REINFORCED RUBBER W/ REBAR ATTACHED TO
HOSE AT FIRST BRANCHING :51N,-
CREPERCP RISER, 6 APART3" MULCH LAYER AT CRESTWRAP TRUNK WITH HEAVY TREATED (Mar 1-Jun 30) �esAddWbepinq 5 Ibe./acre
PAPER OR STRIP BURLAP. V ( ) Or Add Mulls /
1/2" X 7" GALV. TURNBUCKLE RISER CREST .b: Mar 1-Jun 30 0► Add Mulled Common 8 Ibe. acre
9 GA. ALUMINUM OR GALVANIZED EA. WIRE ELEV. 24.40 2a" RCP
Jun 1-Sep 1 .+«TTall Fpcu* and 60 Ibs,/acre
WIRE W/FLAGGING FOR VISIBILITY. ..er t l�llist 35lbs./acre
THREE GUYS PER TREE. 1 ELEV. - 23.000L INV. 22.90 18" RCP' *sor /acre
HybrMs
CB SPADE EDGING 30Ib@.
1" DIA. CUTOFF TRENCH
ORIFICE ALONG ANY FILL WATERTIGHT CONCRETE
THREE 2" X 2" X 2'- STORMWATER POND EMBANKMENT 2' MIN. -•►— ANTISEEP COLLAR PROJECTING Sep 1-Mar 1 Sericeo Lespedeza 70 tba./acre t r n
HARDWOOD STAKESAROUND THE DISCHARGE
(unhulled-unsaortfied) s
BOTTOM ELEV. = I6.00 PIPE ALL SIDES and Tall Fescus 50 Ibs./acre
`;v
. ; EXISTING GRADE
/ t o .. ;.,•` :;.• „ (Nov 1-Mar 1) Add Abruzzi Rye 25 tbs./acre y
y.,. • / / / \/i� 6' X 6' X 15"
HAND TAMPS \y \ \ \\ THICK CONCRETE c
PJ ANTING MIXTURE V \�\ .: •.. \\/�
_ // Consult Conservation Engineer or Soil Conservation Service for odditimal
- 1 PART PEAT MOSS OR OTHER e ' '``w` ' \ information concerning other alternatives for vegetation of, denuded areas. The
UNDISTURBED SUBGRADE
APPROVED ORGANIC MATTER above vegetation rates ore thoes shioh do wail under local turf, conditions; other
seedingUrate combination* are possible. far a lawn quality turf, double or triple
- 4 PARTS NATIVE SOIL rate@.x
LEAVE BURLAP ON BALL, LOOSEN AT
1/2 LB 10--10-10 FERTILIZER PER CU. YD. OF BASE OF TRUNK ***Temporary - Reseed according to optimum season for desired permanent`;
BACKFILL OR APPROVED SUBSTITUTE vegetation. Do not allow temporary cover W grown over 12" in height before y F
TREE PLANTING SECTION PERMANENT STORMWATER POND OUTLET STRUCTURE mowing, otherwise fescue may be shaded out.
w .t.
t,
'
NOTE: SAUCER
1. CONTRACTOR SHALL PRUNE CROWDED, BROKEN OR STRAY &°•
BRANCHES. CUT FLUSH LEAVING CAMBIUM EDGE CLEAN.
3" APPROVED MULCH
ON CENTER (O.C.)
DIMENSION VARIES FORM SAUCER 2" SAUCER RIM
DEEP TO HOLD (EXCESS FILL)
SEE PLAN
WATER
SPADE 70 3" APPROVED — 70" r.
EDGING MULCH
YFXISTING GRADE
EXISTING GRADE
. 04.
-y_ \
HAND TAMPED UNDISTURBED \
PLANTING MIXTURE
SUBGRADE
- 1 PART APPROVED ORGANIC MATTER
- 4 PARTS NATIVE SOIL
- 1/2 LB 10-10-10 FERTILIZER PER CU. YD. OF BACKFILL PLANTING
OR APPROVED SUBSTITUTE MIXTURE
�o
,-yet
fie
SHRUB PLANTING — CONTAINER SECTION SPADE EDGING SECTION
MINIMUM! is
r , k'