20150609 Ver 1_Stormwater Site Plans_20150619 (4)

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NOTES:
1. USE SILT FENCE ONLY WHEN
DRAINAGE AREA DOES NOT
EXCEED a' ACRE AND NEVER
IN AREAS OF CONCENTRATED
FLOW.
2. END OF SILT FENCE NEEDS
TO BE TURNED UPHILL.
TOWN OF APEX
STANDARDS
EFFECTIVE: DECEMBER 3, 2002
SILT FENCE FABRIC
INSTALLED TO SECOND
WIRE FROM TOP
FRONT VILW
STEEL POST
WOVEN WIRE FABRIC
SILT FENCE GEOTEXTILE FABRIC
'// 32" MIN. WIDTH
ILL SLOPE
1,
26
*USE #57 WASHED STONE FOR
PLAN
r ° ?•
REPAIR OF SILT FENCE
+
L
FAILURES, AND FOR ANCHOR
LATERAL SUPPORT TO SUBSEQUENT
USED.
WHEN SILT FENCE IS
1,
RADE
PROTECTING CATCH BASIN.
Z
6" MIN. COVER
o
THE TIRES OF THE VEHICLE MUST BE
OVER SKIRT*
W WASHED BEFORE ENTERING PUBLIC ROAD.
OPENINGS OVER ALL BLOCK
OPENINGS TO HOLD GRAVEL IN
ANCHOR SKIRT AS
PLACE.
SIDE VIEW
DIRECTED BY ENGINEER*
TEMPORARY SILT FENCE
- - - - TOP ELEVATION OF STORMWATER - -
ufi1� ---- - - - - --
7 WASHED STONE '
DESIGN OF SPILLWAYS
DRAINAGE MIN. WEIR EXISTING SLOPE - m'-
AREA (AC) LENGTH
(FT)
1 4
2 6
3 8
4 10
-� 5 , 12� I�TIII
ISTING SLOPE p
..--I -IIIIli /ARIES
�IEm11 IE
IE
ii1Wu I �°
VARIES
SIDE VIEW
SILT FENCE F
TO OVI
HARDWARE
BY 12 11`
STEEL FENCE POST
FEWIRE-----
HARDWARE CLOTH -�_
FILTER OF #
7 WA H
5 S EDl
1
STON
1 ••
8
FLOW DIRECTION
III l�lll11- _,Ilh�I 11 i'. i_Iali
II
SIDE VIEW I I
U
SILT FENCE FABR
STD. No. TOWN OF APEX
400.01 STANDARDS
JI iCCT I Gr
1 EFFECTIVE: DECEMBER 21, 2010 1
1 RIP -RAP
r6 -1
1 MAX. f
11 VARIES
rTi-iTq ILTER FABRIC
NOTE:
1. HEIGHT & WIDTH DETERMINED BY
EXISTING TOPOGRAPHY AND
SEDIMENT STORAGE REQUIRED.
2. KEY RIP RAP INTO THE DAM FOR
STABILIZATION.
VARIES KEYED RIP RAP
#57 WASHED STONE
�
­111W.7
FRONT VIEW
EXIST, LSG OPE
STEP SEQUENCE
TOWN OF APEX
STANDARDS
EFFECTIVE: DECEMBER 3, 2002 1
CHECK DAM
FLOW DIRECTION
PLAN VIEW \STEEL FENCE POST
NOTE:
1. APPLICABLE FOR DRAINAGE AREAS NO MORE THAN 1/4 ACRE.
2. USE AS A REPAIR OF SILT FENCE FAILURES.
3. BURY WIRE FENCE, HARDWARE CLOTH, AND SILT FENCE FABRIC 6
INCHES.
HARDWARE CLOTH STEEL FENCE POST WIRE FENCE
12" OVERLAP I 2' MAX. 12" OVERLAP
lr
_.. f NN
=iL;= ,',1 =ID =7 EII. =L =1L- 111 1 =1 =III LI 6 ^J ill'= 1�I ='i �i =i'i ➢` �I- 1�I- 1�I- 1�I -11
U U U
FRONT VIEW
TEMPORARY SILT FENCE OUTLET
U
TANDARD METAL POSTS 2' IN GROUND
ll� GALVANIZED HARDWARE
l�f / WIRE EXTENDS TO TOP OF BOX
I STD. No. TOWN OF APEX
400.02 STANDARDS
1 J 1[:1-T I EFFECTIVE: DECEMBER 3, 2002
STD. No. TOWN OF APEX
400.05 STANDARDS
31 -IEE 1 6; EFFECTIVE: MARCH 20, 2012
rEWATERING
ONCRETE BLOCK
CONSTRUCTION SPECIFICATIONS °lolw'
1. LAY ONE BLOCK ON EACH SIDE OF
THE STRUCTURE ON ITS SIDE IN THE $ -�-
BOTTOM ROW TO ALLOW POOL -
DRAINAGE. THE FOUNDATION SHOULD 0
BE EXCAVATED AT LEAST 2" BELOW o4ra° 00
THE CREST OF THE STORM DRAIN.
PLACE THE BOTTOM ROW OF BLOCKS
NOTES:
PLAN
/ 0
DRAIN FOR LATERAL SUPPORT AND
TO AVOID WASHOUTS WHEN
1. PUT SILT FENCE OR TREE PROTECTION FENCE
L
UP TO ENSURE CONSTRUCTION ENTRANCE IS
LATERAL SUPPORT TO SUBSEQUENT
USED.
` Q .
- 2. IF CONSTRUCTION ON THE SITES ARE SUCH
:. 3:_
THAT THE MUD IS NOT REMOVED BY THE
Z
VEHICLE TRAVELING OVER THE STONE, THEN
o
THE TIRES OF THE VEHICLE MUST BE
;
W WASHED BEFORE ENTERING PUBLIC ROAD.
OPENINGS OVER ALL BLOCK
OPENINGS TO HOLD GRAVEL IN
POOL WIRE SCREEN
PLACE.
3. IF A PROJECT CONTINUES TO DEPOSIT MUD
AREAS LESS THAN 200 -FEET IN PERIMETER, PROVIDE NO
AND DEBRIS ONTO THE PUBLIC ROAD, THE
' w'
TOWN WILL CLEAN THE AREA AND INVOICE
DIAMETER, PLACED 2" BELOW THE
THE FINANCIALLY RESPONSIBLE PARTY.
TOP OF THE BLOCK ON A 2.1
ENTRANCE TYPE L W STONE
SLOPE OR FLATTER AND SMOOTH IT
GENERAL 50' 25'
"
RESIDENTIAL* 25' 12' #57
WASHED STONE IS RECOMMENDED.
* INDIVIDUAL SINGLE FAMILY
w
CROSS SECTION
_=
NEW CONSTRUCTION -
EXISTING ROADWAY
L
0
o; MIN,:E =M_I
6.
I II I L L IIIII I L 1 I II I I I. I
I I III III III III I III 111 -111 I-
REQUIRED BY THE PLANNING DEPARTMENT BASED UPON
ABRIC UNDER STONE
STD. No. TOWN OF APEX
400.05 STANDARDS
31 -IEE 1 6; EFFECTIVE: MARCH 20, 2012
rEWATERING
ONCRETE BLOCK
CONSTRUCTION SPECIFICATIONS °lolw'
1. LAY ONE BLOCK ON EACH SIDE OF
THE STRUCTURE ON ITS SIDE IN THE $ -�-
BOTTOM ROW TO ALLOW POOL -
DRAINAGE. THE FOUNDATION SHOULD 0
BE EXCAVATED AT LEAST 2" BELOW o4ra° 00
THE CREST OF THE STORM DRAIN.
PLACE THE BOTTOM ROW OF BLOCKS
_ d ^qP p --
p -
AGAINST THE EDGE OF THE STORM
/ 0
DRAIN FOR LATERAL SUPPORT AND
TO AVOID WASHOUTS WHEN
�j� �go °
`�%�DC9
OVERFLOW OCCURS. IF NEEDED, GIVE
0)CO(D•.wo, O o.,Ob
-�
LATERAL SUPPORT TO SUBSEQUENT
MATERIAL.
ROWS BY PLACING 2X4 WOOD STUDS
BUILDING INSPECTIONS
THROUGH BLOCK OPENINGS.
LFLL j ";- L,TREE PROTECTION AREA - LLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
Lao L• t _LLLLLLL .LLLLLLLLLLLLLL.LLLLLLLL-L .LLLLLLLLLL
Z
2:1 SLOPE, GRAVEL FILTER
2. CAREFULLY FIT HARDWARE CLOTH OR
3.
COMPARABLE WIRE MESH WITH
TEMPORARY SEDIMENT
OPENINGS OVER ALL BLOCK
OPENINGS TO HOLD GRAVEL IN
POOL WIRE SCREEN
PLACE.
�DEWATERING
AREAS LESS THAN 200 -FEET IN PERIMETER, PROVIDE NO
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL . LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL _ LLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLI
3. USE CLEAN GRAVEL, ; "- IN
1
12'
DIAMETER, PLACED 2" BELOW THE
1' MIN MAX. -
TOP OF THE BLOCK ON A 2.1
y� gpp4n
SLOPE OR FLATTER AND SMOOTH IT
"
TO AN EVEN GRADE. dot #57
' =111 =� 11� -III= III= III= III= III =III
WASHED STONE IS RECOMMENDED.
II F�IIIIIIIIIIIIIIIIIIIIiIIIIITi <'
SEDIMENT
`
TOWN OF APEX BLOCK & GRAVEL DROP INLET
STANDARDS PROTECTION
EFFECTIVE: DECEMBER 3, 2002
STEEP CUT OR FILL SLOPE
CATCH BASIN & YARD INLET I STD. NO.
400.04
PROTECTION 13_CCT I cr
1
I--2' MIN.- I - C MIN.
�IFTi n_I
_ ( -COMPACTED _ 1
CROSS SECTION
1 SLOPE (MAX)
- STABILIZE DIVERSION DITCH
WITH TEMPORARY SEEDING AND
EROSION CONTROL NETTING.
UPSLOPE TOE�
POSITIVE GRADE 1.0% MAX.
SIDE SLOPES MIN.
2:1 (MAX)
STEEP CUT OR FILL SLOPE
PLAN VIEW
1 STD. N0. TOWN OF APEX
CONSTRUCTION ENTRANCE 1400.06 STANDARDS
1 31-ILET I EFFECTIVE: DECEMBER 3, 2002
DIVERSION DITCH
1 STD. NO.
400.07
JI -ICCT I 3�
,
6' -0" O.C. POSTS MAY BE ORANGE UV RESISTANT
TREE PROTECTION N 0 TE S:
40" EITHER 4" DIA. HIGH TENSILE
PUBLIC WORKS - ENV. PROGRAMS
EMERGENCY SPILLWAY CONSTRUCTED OVER
PINE, 2" DIA. OAK, STRENGTH POLY
FILL OUT TREE /PROTECTION FENCING INSTALLATION PERMIT APPLICATION (OBTAIN FROM PLANNING).
1. WARNING SIGNS TO BE MADE OF DURABLE WATERPROOF
WATERPROOF OR BARRICADE FABRIC
SIGN - -
MATERIAL.
`` I ��jj , rr
LL 4 °.,� . - LLLLLLL - LLLLL'L &- TL'L`L' L1_L��61-1=L LLLLLLLLLL
LLL _LLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
BUILDING INSPECTIONS
2. ALL LETTERS TO BE AT LEAST 3- INCHES HEIGHT, CLEARLY
LFLL j ";- L,TREE PROTECTION AREA - LLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
Lao L• t _LLLLLLL .LLLLLLLLLLLLLL.LLLLLLLL-L .LLLLLLLLLL
Z
LEGIBLE AND SPACED AS INDICATED ABOVE.
LtE4.LL _LLLLLLL . LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLt
��I,_3 Ir DO NOT ENTER
3.
3. SIGNS TO BE PLACED AT EACH END OF LINEAR PROTECTION
_LLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
LLL4 ZL _LLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
U 14 LLLLLLL . LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
=
�_..
AREA AND 200 -FEET ON CENTER (MAX.) FOR PROTECTION
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL . LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL!
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
=
AREAS LESS THAN 200 -FEET IN PERIMETER, PROVIDE NO
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL . LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL _ LLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLI
O
LESS THAN ONE SIGN PER PROTECTION AREA AND /OR SIDE.
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
PAD
4. ATTACH S I GNS SECU R EL Y T 0 F ENCE P OS T S A ND FABRIC.
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL . LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
a
FABRIC MUST BE ATTACHED TO APPROVED POSTS ONLY.
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL _ LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLI
LLLLLLLLLL .LI_LLLLLI_LLLLLLLLI.LI_LLLL . LLLLLLLLI .LI_LLLLLLLLLLLLLLI.LI_LLLLI
o
DO NOT ATTACH TO TREES.
FIIIII =IIIII =IIIII =IIIII =IIIII = =IIIII =IIIII =IIIII =IIIII =IIIII =
w
5. MAINTAIN TREE PROTECTION FENCING FOR DURATION OF
_=
Uj
PROJECT - UPRIGHT AND SLACK FREE.
_
0
6. ADDITION SIGNS AND /OR PROTECTION MEASURES MAY BE
6.
N
REQUIRED BY THE PLANNING DEPARTMENT BASED UPON
IIIII = .IIIII IIIII - IIIII IIIII = IIIII - IIIII I E_�_ T .
r
ACTUAL FIELD CONDITIONS.
T
7. FAILING TO MAINTAIN TREE PROTECTION FENCING MEASURES
ENGINEERING INSPECTORS AND TOWN STAFF.
MAY RESULT IN CIVIL PENALTIES AND /OR PERMIT
TREE PROTECTION FENCE
g
REVOCATION.
N.T.S.
TRASH RACK
SEEDING SCHEDULE
SEEDBED
PREPARATION:
SHOULDERS, SIDE DITCHES, SLOPES (MAX. 3:1)
1.
CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3
INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF
DATE TYPE PLANTING RATE
ONCE A GRADING PERMIT IS REVIEWED AND ISSUED BY BUILDING INSPECTIONS, ARRANGE A PRE - CONSTRUCTION
AVAILABLE.
8/15 -11/1 Toll Fescue 300 Ibs /ocre
3'
GRAVEL
MIN. FILTER INIMUM BACKSLOPE 3:1
2.
RIP THE ENTIRE AREA TO 6 INCHES DEPTH.
11/1 -3/1 Toll Fescue & Abruzzi Rye 300 Ibs /acre
3.
REMOVE ALL LOOSE ROCK, ROOTS AND OTHER
3/1 -4/15 Toll Fescue 300 Ibs /ocre
FROM ANY OTHER PRE - CONSTRUCTION MEETINGS REQUIRED IN THE CONSTRUCTION SEQUENCE.
OBSTRUCTIONS LEAVING SURFACES REASONABLY
SMOOTH AND UNIFORM.
4/15 -6/30 Hulled Common
4.
APPLY AGRICULTURAL LIME, FERTILIZER, AND
Bermudogross 25 Ibs /acre
ANTI- FLOATATION DEVICE ISSIPATOR PAD
SUPERPHOSPHATE UNIFORMLY AND MIX WITH SOIL.
7/15 -8/15 Tall Fescue and * ** Browntop Millet 35 Ibs /acre
0
AGRICULTURAL LIMESTONE - 2 TON /AC (3 TON /AC
or Sorghum -Sudan Hybrids
STOCKPILE SUFFICIENT TOPSOIL TO COVER 3 INCHES OVER LANDSCAPED AREAS AT END OF PROJECT.
CLAY SOILS)
SLOPES (3:1 to 2:1)
0
FERTILIZER -1,000 LBS /AC - 10 -10 -10
•
SUPERPHOSPHATE - 500 LBS /AC - 20%
3/1 -6/1 Sericeo Lespedeza (scorified) 50 Ibs /ocre
.
MULCH - 2 TONS /AC SMALL GRAIN STRAW
and
3/1 -4/15 ADD Tall Fescue 120 Ibs /acre
•
ANCHOR ASPHALT EMULSION @ 300GAL /AC
and
5.
CONTINUE TILLAGE UNTIL A WELL- PULVERIZED,
3/1 -6/30 ADD Weeping Lovegrass 10 Ibs /acre
THE SLOPE AND SCOUR IN THE BASIN. APPROPRIATELY SIZED SLOPE
FIRM, REASONABLY UNIFORM SEEDBED IS PREPARED
or
3/1 -6/30 ADD Hulled Common Bermudogross 25 Ibs /acre
4" TO 6" DEEP.
6.
SEED A FRESHLY PREPARED SEEDBED AND COVER
6/1 -9/1 * ** Tall Fescue and 120 Ibs /ocre
ACTIVITY AND (2) ALL OTHER DISTURBED AREAS SHALL BE STABILIZED WITHIN 14 CALENDAR DAYS.
Browntop Millet or 35 Ibs /ocre
STANDARDS 1400.12
SEED LIGHTLY WITH SEEDING EQUIPMENT OR
Sorghum -Sudan Hybrids 30 Ibs /ocre
STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION OR PAVING.
CULTIPACK AFTER SEEDING.
BASIN
EFFECTIVE: DECEMBER 21, 2010 1JIILLT,
7
MULC H I MMED IAT EL Y AFTER SEED I NG AND ANCHOR
ri nhulled- n riff 7 I r
9/1-3/1 Se cea Lespedeza (u u scarified) 0 bs /ace
MULCH.
and Toll Fescue 120 Ibs /acre
8.
INSPECT ALL SEEDED AREAS AND MAKE
11/1 -3/1 ADD Abruzzi Rye 25 Ibs /acre
NECESSARY REPAIRS OR RESEEDINGS WITHIN THE
19.
REMOVE TEMPORARY DIVERSIONS, SILT FENCING, SEDIMENT BASINS, ETC. AND PROVIDE ADEQUATE COVER OR PAVE
PLANTING SEASON, IF POSSIBLE. IF STAND SHOULD
NOTE: CONSULT EROSION CONTROL ENGINEER OR SOIL CONSERVATION SERVICE
BE OVER 60% DAMAGED, REESTABLISH AFTER
FOR ADDITIONAL INFORMATION CONCERNING OTHER ALTERNATIVES FOR VEGETATION
ORIGINAL LIME, FERTILIZER AND SEEDING RATES.
OF DENUDED AREAS. THE ABOVE VEGETATION RATES ARE THOSE WHICH DO WELL
UNDER LOCAL CONDITIONS; OTHER SEEDING RATE COMBINATIONS ARE POSSIBLE.
9.
CONSULT CONSERVATION INSPECTOR ON
* ** TEMPORARY - RESEED ACCORDING TO OPTIMUM SEASON FOR DESIRED
MAINTENANCE TREATMENT AND FERTILIZATION
PERMANENT VEGETATION. DO NOT ALLOW TEMPORARY COVER TO GROW OVER 12
AFTER PERMANNENT COVER IS ESTABLISHED.
INCHES IN HEIGHT BEFORE MOWING, OTHERWISE FESCUE MAY BE SHADED OUT,
3 RIP RA
I
LASS 1 RIP RAP
(SEE
ONSECTION THRU BASIN PIPE OUTLET TO FLAT PIPE OUTLET TO WELL - DEFINED ID#
AREA CHANNEL
F4
NO WELL- DEFINED
\ - � CHANNEL FES 100
LASS 1 RIP RAP HEADWALL 3 TIMES A � _ j A FES 1
_ �� �� .•.`:. :'.. INNER IP � I
L PIPE RAP L ��Fp PE RAP FES 200
DIAMETER
APRO APR N
+I FES 2
#57 WASHED STONE
/ THICK X 3' HIGH
M
/ SEDIMENT STORAGE AREA MIN. PLAN PLAN
PERSPECTIVE VIEW VIEW
VIEW
NOT TO SCALE
AREAS TO BE
DISTURBED FL00 PIPE PIPE\
(CUT, FILL, NATURAL GROUN -
ETC.) ZOGE 1 2' RIP RAP HEADWALL _!IF a T L w li W lil
STORAGE IlLrll ill ill ill IL IL II III- III -III III III III 1 1 1 II lll-
.._�� it ill ill -Ill III -IIF III Ill. -iii Ill III- ill -Ill III -IIF III 114.
U_
- -;
i alN,
SEDIMENT 1
-- - - - - --
FILTER FABRIC ILTER FABRIC
au STORAGE 1.5' Y
_ _ _
FLOW' SECTION SECTION
FLOW i.5'� _ ��„1ll,;, _, a PIPE INVERT - - - - - - - - 'A -A' 'A -A'
III
#57 FILTER FABRIC
MAX. SEDIMENT WASHED LASS 1 RIP -RAP NOTES:
DEPTH STONE NOTES: 1. L = THE LENGTH OF THE RIPRAP APRON
(CLEAN OUT POINT) 1. GRAVEL & RIP RAP FILTER BERM BASIN 2. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT NOT LESS THAN 12 INCHES
SECTION THRU BASIN, DETAIL IS DESIGNED TO PROTECT EXISTING 3. A FILTER BLANKET OR FILTER FABRIC SHOULD BE INSTALLED BETWEEN THE RIP RAP AND SOIL FOUNDATION.
FILTER, &CULVERT PIPE PIPE INVERTS THAT DRAIN 10 ACRES OR 4. IN A WELL- DEFINED CHANNEL EXTEND THE APRON UP THE CHANNEL BANKS TO 6 INCHES ABOVE THE MAXIMUM
NOT TO SCALE LESS. TAILWATER DEPTH OR THE TOP OF THE BANK, WHICHEVER IS LESS.
2. DIMENSIONS ARE MINIMUM ACCEPTABLE
UNLESS OTHERWISE NOTED.
STD. No. TOWN OF APEX GRAVEL & RIP RAP HORSESHOE INLET I STD. N . TOWN OF APEX I STD. N0.
400.08 STANDARDS 400.09 STANDARDS PIPE OUTLET 1400.18
JI 12CT1 I Gr EFFECTIVE: DECEMBER 3, 2002 BASIN FOR EXISTING PIPE INVERTS 1 J IEUT1 I OF EFFECTIVE: DECEMBER 18, 2012 131 ICCT1 I jr
NOTES:
1. CLASS B STONE- MINIMUM DEPTH OF
24 ".
2. UNDERCUT FOR STONE PLACEMENT.
STONE
- SURFACE FLOW DIVERSIO
ORIGINAL STREAMBANK
TER CLOTH
TOWN OF APEX
STANDARDS D2002 TEMPORARY STREAM CROSSING
EFFECTIVE:
P DISSIPATOR SIZING
PIPE DIA VELOCITY Q_10 FLOW
SYSTEM
(IN) (FPS) (CFS)
100 42 22.13 57.89
100 36 21.25 46.15
200 36 13.35 13.25
200 30 20.66 41.48
WIDTH APRON LENGTH STONE DEPTH
ZONE CLASS
(FT) (FT) (IN)
3 10.50 28 1 24
2 9.00 18 B 24
2 9.00 18 B 24
2 7.50 15 B 24
NOTES:
1. SIZING BASED ON NYSDOT DISSIPATER
METHOD PER NCDENR E &SC MANUAL
2. VELOCITY BASED ON STORMCAD AND
PONDPACK CALCS FOR 10 -YEAR STORM
3. FILTER FABRIC TO BE USED UNDER RIP
RAP TO STABILIZE ENERGY DISSIPATOR.
°o° ° °�N °CARD° ° °00
OR- pp00000 poop / °°
pp °pFESS /p °Op�q a
P R .o1�� pop oo RY
O o o O
NOT APPRTDVKD OPUP UOUSTRUCTION
o° Q eHG I NEB -�`, °�
°p
O /J /oOpoopoo
000000000000
THE SIGNATURES AFFIXED BELOW CERTIFY THAT THIS SHEET HAS BEEN REVIEWED AND APPROVED SOLELY
PER THE CERTIFICATIONS SIGNED ON THE COVER SHEET OF THESE CONSTRUCTION PLANS.
CM -
PLAN VIEW
TOWN OF APEX CONSTRUCTION SEQUENCE
PUBLIC WORKS - ENV. PROGRAMS
EMERGENCY SPILLWAY CONSTRUCTED OVER
1.
FILL OUT TREE /PROTECTION FENCING INSTALLATION PERMIT APPLICATION (OBTAIN FROM PLANNING).
DATE
UNDISTURBED GROUND AND ARMORED WITH
DATE
CM -
BUILDING INSPECTIONS
DESIGN INFORMATION TO BE PROVIDED BY RIP RAP AND FILTER FABRICS
2.
HAVE A SURVEYOR FLAG PROPERTY LINES, EASEMENTS, BUFFERS, AND TREE PROTECTION AREAS.
PUBLIC
_^ \
THE ENGINEER ON THE CONSTRUCTION SEDIMENT TRAP
DRAWINGS
�����
3.
CONTACT AN APEX PLANNING DEPARTMENT ZONING COMPLIANCE OFFICER AT 249 -3426 TO REQUEST APPROVAL FOR
DATE
DIMENSIONS ELEV
WORKS - ELECTRIC
TREE PROTECTION FENCING LOCATIONS.
PARKS, RECREATION & CULTURAL RES
_.,.: IP RAP
EMERGENCY SPILLWAY =:`� r:, :... °"1 ' '' =-- DISSIPATOR
4.
INSTALL TREE PROTECTION FENCING, SIGNS, AND /OR OTHER SEDIMENT &EROSION CONTROL MEASURES THAT MAY BE
-LOW
s1oN
TOP OF DAM WIDTH \ .' K ; �_.
ANTI -SEEP COLLAR
PAD
REQUIRED. CALL PLANNING FOR FINAL INSPECTION. PLANNING WILL FORWARD APPROVAL TO PUBLIC WORKS.
RIP RAP DJSIPATOR PAD
m �
C Y
3 a
o
5.
SUBMIT APPLICABLE SEDIMENT & EROSION CONTROL PERFORMANCE GUARANTEE TO DEVELOPMENT PROJECTS
All
TOP OF S
a( j�
OUTLET PIPE INVERT IN 1 . "" �'
M V
COORDINATOR AT 249 -3394. A LETTER OF PLAN APPROVAL CANNOT BE ISSUED UNTIL GUARANTEE IS SUBMITTED.
_
OUTLET PIPE INVERT 0 T
ANTI - FLOATATION DEVICE
6.
REQUEST A LETTER OF PLAN APPROVAL FOR SEDIMENT & EROSION CONTROL MEASURES FROM PUBLIC WORKS STAFF.
_
r
7.
THROUGH ENGINEERING FIELD SERVICES SUPERVISOR AT 249 -3510, SCHEDULE APRE- CONSTRUCTION MEETING WITH
UTLET PIPE
ENGINEERING INSPECTORS AND TOWN STAFF.
dil
POROUS BAFFLES(3 MIN. - _ - ARTH DAM
SKIMMER
g
INSTALL CONSTRUCTION ENTRANCE, TEMPORARY DIVERSIONS, SILT FENCING, SEDIMENT BASINS, BYPASS CHANNELS,
TRASH RACK
AND /OR OTHER MEASURES SHOWN ON APPROVED PLANS. CLEAR ONLY AS NECESSARY TO INSTALL THESE DEVICES.
CMP RISER AINTED RED CLEANOUT MARK
WATER LEVEL DURING STORM SKIMMER LQCATED HALFWAY UP RISER PIPE
POROUS BAFFLES (3 MIN.) MIN. FREEBOARD
EMERGENCY SPILLWAY ELEV.
9.
10.
CALL PUBLIC WORKS AT 249 -3427 FOR ON -SITE INSPECTION FOR CERTIFICATE OF COMPLIANCE.
COMPLETE GRADING PERMIT APPLICATION OBTAIN FROM BUILDING INSPECTIONS DIVISION).
( )
MINIMUM FORESLOPE 2:1
f
11.
ONCE A GRADING PERMIT IS REVIEWED AND ISSUED BY BUILDING INSPECTIONS, ARRANGE A PRE - CONSTRUCTION
3'
GRAVEL
MIN. FILTER INIMUM BACKSLOPE 3:1
MEETING WITH BUILDING INSPECTIONS AT 249 -3381 PRIOR TO ANY GRADING ACTIVITIES. THIS MEETING IS SEPARATE
- ARTH DAM
FROM ANY OTHER PRE - CONSTRUCTION MEETINGS REQUIRED IN THE CONSTRUCTION SEQUENCE.
GATE VALVE OR ORIFICE _ UTLET PIPE
12.
POST GRADING PERMIT PROMINENTLY ON SITE AT ALL TIMES.
ANTI- FLOATATION DEVICE ISSIPATOR PAD
13,
BEGIN CLEARING, GRUBBING, AND ROUGH GRADING IN ACCORDANCE WITH THE APPROVED GRADING PLAN.
NOTES: ANTI -SEEP COLLARS RIP RAP
1. SEDIMENT STORAGE: 3,600 CF /DISTURBED ACRE
14,
STOCKPILE SUFFICIENT TOPSOIL TO COVER 3 INCHES OVER LANDSCAPED AREAS AT END OF PROJECT.
2. SURFACE AREA BASED ON: 025 CROSS SECTION
15,
INSTALL STORM SEWER, IF APPLICABLE, AND PROTECT INLETS WITH INLET PROTECTION DEVICES, SEDIMENT DEVICES,
3. INSTALL SEDIMENT CLEANOUT ELEVATION STAKES.
4. BAFFLES SHALL INCLUDE 700 G /SM COIR EROSION BLANKET.
AND /OR OTHER APPROVED MEASURES AS SHOWN ON PLANS. MAINTAIN S &E MEASURES AS NEEDED.
5. FLOW ENTERING THE BASIN MUST BE DIRECTED TO AVOID EROSION ALONG
16.
SOIL STABILIZATION SHALL BE ACHIEVED ON ANY AREA WHERE LAND- DIS TRURBING ACTIVITIES HAVE TEMPORARILY OR
THE SLOPE AND SCOUR IN THE BASIN. APPROPRIATELY SIZED SLOPE
DRAINS, PER THE STANDARD DETAIL, ARE RECOMMENDED.
PERMANENTLY CEASED AS FOLLOWS: (1) ALL SLOPES > 3:1 WITHIN 7 CALENDAR DAYS FROM LAST LAND - DISTURBING
STD. No.
TOWN OF APEX RISER BARREL SEDIMENT I STD. No.
ACTIVITY AND (2) ALL OTHER DISTURBED AREAS SHALL BE STABILIZED WITHIN 14 CALENDAR DAYS.
400.11
STANDARDS 1400.12
17.
STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION OR PAVING.
3„ceT I 3r
BASIN
EFFECTIVE: DECEMBER 21, 2010 1JIILLT,
I
18.
FLUSH AND CLEAN ALL STORMWATER SYSTEM PIPES. CLEAN AND REMOVE SEDIMENT FROM TEMPORARY SEDIMENT
HOLDING DEVICES. FOLLOW BMP CONSTRUCTION SEQUENCE FOUND ON THE APPROVED BMP DETAIL SHEETS.
19.
REMOVE TEMPORARY DIVERSIONS, SILT FENCING, SEDIMENT BASINS, ETC. AND PROVIDE ADEQUATE COVER OR PAVE
ANY RESULTING BARE AREAS. ALL PERMANENT EROSION CONTROL DEVICES SHOULD BE INSTALLED AT THIS POINT.
20.
WHEN VEGETATION IS ESTABLISHED, CALL FOR FINAL INSPECTION AND TO REQUEST A CERTIFICATE OF COMPLETION.
21.
OWNER IS RESPONSIBLE FOR PERMANENT EROSION CONTROL MAINTENANCE OF THE SITE.
WIDTH APRON LENGTH STONE DEPTH
ZONE CLASS
(FT) (FT) (IN)
3 10.50 28 1 24
2 9.00 18 B 24
2 9.00 18 B 24
2 7.50 15 B 24
NOTES:
1. SIZING BASED ON NYSDOT DISSIPATER
METHOD PER NCDENR E &SC MANUAL
2. VELOCITY BASED ON STORMCAD AND
PONDPACK CALCS FOR 10 -YEAR STORM
3. FILTER FABRIC TO BE USED UNDER RIP
RAP TO STABILIZE ENERGY DISSIPATOR.
°o° ° °�N °CARD° ° °00
OR- pp00000 poop / °°
pp °pFESS /p °Op�q a
P R .o1�� pop oo RY
O o o O
NOT APPRTDVKD OPUP UOUSTRUCTION
o° Q eHG I NEB -�`, °�
°p
O /J /oOpoopoo
000000000000
THE SIGNATURES AFFIXED BELOW CERTIFY THAT THIS SHEET HAS BEEN REVIEWED AND APPROVED SOLELY
PER THE CERTIFICATIONS SIGNED ON THE COVER SHEET OF THESE CONSTRUCTION PLANS.
CM -
ENGINEERING
DATE
PUBLIC WORKS - ENV. PROGRAMS
DATE
CM -
TRANSPORTATION
DATE
PLANNING
DATE
CM -
BUILDING INSPECTIONS
DATE
PLANNING - TRANSPORTATION
DATE
PUBLIC
WORKS - WATER /SEWER
DATE
FIRE
DATE
PUBLIC
WORKS - ELECTRIC
DATE
PARKS, RECREATION & CULTURAL RES
DATE
PUBLIC
WORKS - S & E
DATE
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