SW6230102_Plansheet - C-18 SCM Detail_20230531

Calculate Skimmer Size _ _ _ _ _ _ _ _ _ _ _ _ _ - -- , - - - = - - - - - � Q
Basin Volume in Cubic Feet 39,541 °Cu.Ft Skimmer Size 4.0 Inch -J -h A�L �,_----
ASSEMBLYAND INSTALLATION Days to Drain* 3.00 Days Orifice Radius 1.6 Inch[es] - /��' �'' \��`�, �� v)
1,Glue on the 4"inlet extension to the tee on the inlet.Install the vent - FOREB AY R '� \ �` to N
2.Glue the 8'long 3"sch 40 barrel to the 3"coupling on the hose. Orifice Diameter 3.2 Inch[es] --'- 1 moo,,' `��� LL J--- OVERFLOW WEIR' / \ r�
MIN. 0' WIDE �Z2 1 30� O M O
3.Put the other end of the barrel into the socket on the inlet extension and tighten the screws. *In NC assume 3 days to drain / N o0 d
plug,put the plug in the inlet,and tighten the screw.Close the door. ELEV - 222.00 ,- ----------- CO
4.Cut the orifice inthe lu �� � � � `` � � CV '
PROVIDE ARMORMAX ARVS � � �� Vf N
5.Cut a trench in the bottom of the basin V to 2'deep under where the skimmer will be placed.If require,place a `��� ' A `�` C9 = 00
\ (OR APPROVED EQUAL) a d
support under the skimmer outlet. \ - } _
6.Attach the 4"coupling on the hose to the outlet structure. \�\ \�j - � �_ PER THE WEIR ARMORINGR BORIONW �� �\\-217/SED REMOVAL-�/� i , �yO \\ to .O O
7.Attach the rope to the Tee and other other end to a stake on the side of the basin. -- --r----7--r--'-7--1---'--7--r--'- -- --'-- --r--'--�--r -- --,--�--r- --r- --r--'-- --r- � \___ �� -1 , � � �jv � � LU V � `- OD
8.Put a fence post,1 not 2,on the opposite side of the barrel from where the rope is tied to a stake to keep the L._-I__!-- ___-!-_!_ -!-!_-_-!--L__[-- --L__I_-!-- __,_-!_-!____t , ! I L I ___L -_I-_ ---L__1-_ �`�� ` _ i � `� i o O O M
I I V / . / -E ' U O
skimmer in place. I I I I I 1 1 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I `�\ (\ / /'� 229 / � v I j \ _M FRGENC Y OVE FLOW WEIR �- U, N � I
--I--'-I--a----- --�.Ia-�•- -t-- ---- --A----- --A---1---1--1---1---t--1-_.---'-t-- ---1--- --a---1---1-- -----t--A----A_L--I--� �/�/,�..1
I I I I I I VI x` 1 I I I I 1 I 1 I I 1 I I I I I I I 1 I I I 1 I I I I 1 I I I `� / � ' 1 21921 / fn� \ MIN. 30' WIDE \ ? � � U
1 TEMP.,-_REDUCER- 1 I I I 1 I I 1 1 1 1 1 1 1 1 I I I I I I I I I I I I I I f I `�\\ •' 29 �� .�, 21 22D � �C � `~`�I FV - 227.00 W Q � t- O a Q
NOTE:Put the skimmer where you want it to settle to the bottom and rive a metal fence post into the ground on the r--1-- -� -- --r- --r--1-----r--1-- -- --r-rt--r--1-- --r--1-- --r--I-- --r--1--rt--r--1-- --r--I-- --r--r- Q O U
4 ( PVC IPEI Wf 223 PROVIDE ARMORMAX ARVS > Q Cn
outside of the barrel(away from the side)2'from the float to hold the skimmer in that place.Make sure it is high L , __IG I�y _ _ L_ 1 - 1_ L_-I_ 1 _ LI ;_-_L1- L _ L _ f-- / 223.70 --- e? _ Z M Q
enough so the barrel does not float over the to when the basin fills.Posts on both sides of the barrel are not AN -1- 1 - -- - - --'- --' -'-----,-- -,-- -- --,-- ---' '
[� �______ J L___--__ UJ
0R APPROVED EQUAL PFR
D S PPOR I I I I I I I I I I I I I I I I I I I I I I I I I I 1 I ��--____--'- / � 223.70--- -- 223.7D-- \ � )
P pulling r--1-- 4 SKI r--r-r- --r--I --r---- -- --I---A--a---I--.4--a---I-- - ---- -- ---- --r---- 444 `� THE WFIR ARMORING DETAIL r Vim/ (� �rn N M U VC
MM ' , , 1 f 1 1 I I I I I I I '\ / i� '-�F3 FLOW V' °� t_ .J
recommended ecauseltwill prevent ullin the skimmer to the side for maintenance. 1 "SKItFiCE - --r--'- --r--- --r---- --r`---,--r- •' - -r--'-- --r-- r--r-- 7--r--I--, `� z �C X O �L
- I I I I � I I I f I I 1 I 1 1 1 1 1 1 I 1 1 1 1 I 1 1 1 1 � -----� / , . � �'� a
III_ - - L--' -- --'- --L--'- -_--'-- --L --'-- --L --I-- --L --'-- --L--'--i �9-- ��� I 219 21 ,A �� �� UI Q +- O E J
1__----A-----1-- -- 7Li'111L-
1 1 1 1 1 1 '� f i------�-'--------- --------- -217 SED EMOVAL- 2 \\ �\ �\ W \ on } �•MAINTENANCE I II f , I 1 I I I I { I , I I { { , I ' . � LL.
C;
�- � �-- �� L_--F I I 1 t I \ O Z •TRASH:If the inlet screen clogs and there is water in the basin,tugging on the rope several times will usually r--;-- -- ----3; FlLE--XIB ==r--1 -- -'- -- ---- -- - ; I I 1 I � W � c�wash the trash off and restore flow.If not, ull the inlet to the side of the basin and use a stick to clean the �ONNECT \ _ _ ,'. 0 0- IL [L Z
p --- --L__'----_L ' -�"-._a.�---' I -- --L--I- V I f--L--I-- --L--I-- --�--I-- \ - `_ D I I /� / I j
i L l � I
screen.Open the screen door and remove an trash or sediment inside so grass or trees do not row)n the - Sf'- --' - '--' --' - -3tt" RCP I--' g-`{ 2�-- -�tr I 1' DAM AND EMBANKMENTS TO
inlet. p Y g 9 - --I --�--!- ---- -- --I-- -- --1--�-- -- --- -- ----�-- ---- -� \\ I i BE EITHER SODDED OR 0, I
I------t--A----- --�`--'--� l---I--- -
1 I \ �� ��,�` Z,-.-__-- 1 1 SEEDED WITH BERMUDA
• SEDIMENT ACCUMULATION AROUND THE SKIMMER:A shallow,long basin,using baffles,and inflow in the basin r--1-- --r--I--rt r- --t- =--fi --i \ -J /- r--l- r--I-- --r--1-- --r--r- --r--I-- --r--r- --r--1--7--r--1-- -�__�I I GRASS UPON COMPLETION. / I
at the opposite end from the outlet help keep sediment away from the skimmer.If sediment restricts skimmer �\ zI /
--�'. L --' --L -r_. I. 1.' i. 1,_L--I I_-L--'--'I- ' ''-- --L--'-- -_L--' I f
1__L__I_-_I I \ D
movement,pull the skimmer to one side and excavate under it. - - - _-. - - 1 r--1 - - __ - \ o I I I I
I 1 I 1 I 1 I I I m I I ' TOP:725-550 I I I ' Z
• ICE:Try to keep ice broken up at the inlet and around the barrel to keep waterflowIng,making sure it less likely __I - __ __I- t__�__,__�__�-_I__ __�__I �__�__,__�__�-_I__ __�__I__ __ -_1__�__�__1__�_- __I__� \\ I I I
1 I 1 ! 1 1 I I 52. -36 RCP
the inlet will freeze.Spray painting the float black to absorb heat is recommended.Use paint that will stick to •� \ I I INV:2 L00 I I I 1"9
PVC. --1--t--i--i S M NTi-- --i--i-- r--r---- --i--i- --r---- --r--i-- --i--i- --i---- --fi----rt--i--i--i--i--i-- \\ rq I i 1 HEADWALL \ rrr
I I__I I_SIORAGE.,--�__L__I I-- _-' I__I __I I __I I__I I I I I \ Z \ ! •22 .00/ �� ``������ 'f ��'
//9� NV 0 tuwnr /
• p g 1 _-I , I I I I 1 I , ----;---, ,-- -- -- ------- -- -- ---i-i--,---i- --I---,-- --,---, -I \
to be handled b hand,not grabbed with a backhoe bucket and moved around,es eciall in cold weather. L_1_ L___ 1_ L_ 1__L_ ___1__L__i__1__i__i__1__L__-_1_-i - \\ 1 ------ ------------�'----21g217 SED REMOVAL
HANDLING THE SKIMMER The skimmer is make of plastic and wlllwlthstand heat,cold and sunlight but it needs _-' I l �__ __n__ __L____ __�____ __L_ 2,s ! ( `� ESS
To remove the skimmer,disconnect the hose first,then disconnect the barrel from the inlet connection.DO \\ \ �� 220 �� N oIV ' y
NOT try to pull the skimmer loose with a backhoe. 9<
• VANDALISM:Keep unauthorized persons that may do damage off the site.Do not provide rocks close to the \\\\ ����' SEAL c c
skimmer if possible.If possible,taking other considerations into account,position the skimmer out in the basin �, ----------------- - \ = 031459
SKIMMER CONNECTION DETAILS g� �24 - - ` �-
p P g P i \ 225 r1r I � =to W
away from the banks to decrease the potential for a successful hit. , � ��' \\\\ �p \ � � ���" G E e' ��
Scale: o o Scale �� �� s `� 8 '�" `
i '�N IN .�. v1
Rope NOTES: )_ \\ /---227 2 6 5 k titi r��rrrr44nrAiruutat`���``\
3"SCH 40 solid pvc 1. ALL ASPECTS OF BMP SHALL BE NON-CORROSIVE. \\ -_ -T _ - - -SSO MAIdTECtA _- - - - I %� �•��•
Vent barrel or"arm"supplied 2. TRASH RACK OPENINGS SHALL NOT EXCEED 5.5". \ '
by contractor TOP OF RISER-225.50'
Inlet Door _ __ _ ____ _ ____ _5'X%INTERIOR.) CONCRETE RISER_ __
PROVIDE 3 DIMENSIONAL
1 1 1 1 1 1 1 I I 1 TRASH RACK (SEE DETAIL), 1 1 1 I I t
- --r- --r- --r- --r- -�-- -7- r- -r--,--1--r-- 7--r- POND INSET
--I- 1--L--I-- --L---- --L----�--L_ I--L- ( � "( i I---t--r--,dAIIJT_ SHF�I F �I-499FI 1
4"inlet INV ELDEV., .3oPOENINGS IN RISER SHALLOW WATER COMMUNITY = SHALLOW LAND COMMUNITY
100 YR.-226.7 ---- -- - -- -- 8" t X24 w) -- --}---- ca e:
1 , 1
extension 10 YR.-226.1 I , 1
---- -- - -- - ---- -- -- - -- - ---- -- ---- -
, YR.-225.4 r- --r--i- --r---- --r--i- --r--,--�
I I I I I I 1 I I I I I I I I 1 I I I I I I I I I I I I I I 1 I
TPE-223.7 ____1__L_J__1__L_J__1__L_J__1__L_J__1__L_J
1 1 I l I t I l I I I I I 1 f 1
° I I I I I I I I I I I . I I I I I 1 I I I I I I I I I I I I I •
PPE-222.0 - -- --I-- - ---1--{-- --I-- -- --I-- -- --I-- -- --1-- -- --1-- SHALLOW LAND COMMUNITY (EL. 222.00 to 222.56 )_ 2863 S.F. 1 PLANT/4S.F.24"O.C.= 716 PLANTS
1-TI CK UNDER
- I I I I I I I I I I 1 I I I I I
I 1 ER I - --r--1- --r--r--r--r--1---r--r-----r--r - --r--r -r--r--i-� PLANTTYPE QTY BOTANICAL NAME COMMON NAME ROOT CALIPER HEIGHT NOTES
1 I- T--T---I-� ' I i __�,,^ �- r 1 I I t I t 1 1 I ! I I f V I f I I l I I I I I I
- T�S�-S+�t- 1
L_J__1__L__IDRI�tNm4�Jf _ORIFICE __�__ _ �__L__I_ __L__1__i__L_._11_3(i_RCP1L _� LL_ L__L_1__L__1__�
® 1,9py, 224 Asclepias Incarnata Swam Milkweed CONT. 4"Pot 24"O.C.
---1---+--+------+--r---I- -,---1---f--+--I -+--,---I- ---- --+--------+---1---+--� +--+---1- ---+---�- �__I__I__ 224 -_ Carex tenera Quill Sedge CONT. 4"Pot 24"0.C.
I I I I I I I I I I 1 I I I I I 1
1 I I f l I l I I I ! 1 1 I ----
(� 224 Hibiscus Coccineus Scarlet Rosemallow CONT. 4"Pot 24"O.C.
3"SCH 40 solid VC I I I i I• l' � f, �- r- --�--r--�-'r--r--,--7--T---� --r--I---i--r--,--7--7---�-�
--, --r -i- --r-- 7--r--1--�--r -1 -r..-..1-
1 I I I I I I I I I I I
_ __I__1__L -i_._ __L_:_I__�i_L__I__1_ __1 __L I__ CONCgETEL I HERBACEOUS
p [ANTI-SEEP, COLLAR 1 n
15 Eupotoriadelphus dubius Dwarf Joe P e Weed CONT. 4 Pot 24 O.C.
barrel or"arm"supplied -_ -i-- - '-- -_i--I-- -_i--I-- -- --I-- -- --i-- -- ---- -- -'-W/COt�REI'E--7p-CRfr7��'•rE -- --i-J S 11E _ MI POINT' rr „
I I SEDIMENTI _ 1 1 I 1 1 1 1 1 I 1 I VER ®,OUTLE ELLV. 15 Hibiscus leavis Halberdleaf rosemallow CONT. 4 Pot 24 O.C.
by contractor 3" hose f-- `�--r-- --r--,-- --r-- --r--1-- --r--I-- --r-- `-r--,-- --r-- ---- --r- --r--,- u u
I STORAGE, 14 Kosteletzkyavernginica Seashore Mallow CONT. 4 Pot 24 O.C.
--------------------------
I I t I I I 1 I I I I I I I i I I I I I I 1 I I I I I I I I I I I I I 1 I I I
NOTE: ONLY HERBACEOUS SPECIES SHALL BE LOCATED ON FOREBAY BERM
SKIMMER DETAIL
Reference: Manual for Designing, Installing and Maintaining ,2"MIN. ,2"MIN. 3000 PSI CONCRETE s"Pvc SHALLOW WATER COMMUNITY (EL. 221.50 to 222.00 )= 270r s.F. 1 PLANT/4S.F.24"O.C.= 677 PLANTS o z
FOOTING 8'x8'x24" SCREW TYPE
Skimmer Sediment Basins, February 2001, J.W. Falrcloth & Son RISER PLUG PLANTTYPE CITY BOTANICAL NAME COMMON NAME ROOT CALIPER HEIGHT NOTES w Q o
W/ ANTI-SEEP COLLAR d I' �
P 145 Lobelia cardnalis Cardinal flower CONT. 4 Pot 24 O.C.
4"
6"x6"TEE 6" VC PIPE o l (N o w
a INV-999 00 „ „ - a 0
24" INSTALL #4 REBAR ON 4" 200 Equisetum Hyemale Scormgrush Horsetail CONT. 4 Pot 24 O.C. W U o
.. .:.,.c:.,.,.:.,.......-:::.; ir, CENTER 6"CAP WITH 3"0
2" HOLE DRILLED FOR HERBACEOUS 200 Hibiscus Moscheutos Swamp Rosemallow CONT. 4"Pot 24"O.C. Cl v 3 a
CONTROLED ORIFICE a rr g N J w I-
s'xa' 66 Physotegia Virginians Obedient Plant CONT. 4 Pot 24 O.C. q La.1 Q or
ANTI-FLOTATION DEVICE DRAWDOWN ORIFICE 6 Z V w w
66 Saccharum baldwinii Narrow Plum grass CUNT. 4"Pot 24"O.C. W � of � tr
POND RISER DETAIL WETLAND PLANTING SCHEDULE � z N M
cae°
N rn = Y w M
d' 0- rn a- 0
MAIN I.bnCLr CL.ZZMW • MAIN 1.bnCLa-CL.LLt3.W
3 max \ 3 max M M
1 100 YR.ST RM EL.-226.73 / / 1 m N N t+)N
N (V
WET BASIN NOTES v M N N
\/ • TO BE USED AS A SKIMMER SEDIMENT BASIN UNTIL WATERSHED AREA Ih rr) to to
/ 1 TOP WIDTH-5' / / HAS BEEN STABILIZED AND RISK OF EROSION HAS BEEN REMOVED.
RARY POOL EL.-223.70 _ a _ 3. /\ \ \ \ \
• ONCE WATERSHED AREA HAS BEEN STABILIZED, BASIN SHOULD BE
/\ �\ 6•TOpSO1LTEDSHELF / // 1Owt�EVECErATEOSHELF INSPECTED FOR STRUCTURAL INTEGRITY. ANY ACCUMULATED O '•"
6 TOPSOIL MIN. SEDIMENT SHALL BE REMOVED FROM THE BASIN. N W) In
\ \ MIN • SLOPES AND ELEVATIONS SHALL BE GRADED AS NEEDED TO ENSURE
2 FOREBAY 2 / , 2 PERMANENT 2 Iq BASIN IS CONSTRUCTED PER PLAN.
POOL 1� R N ANY BAFFLES SHALL BE REMOVED. Owner:
w N / SEDIMENT STORAGE EL:218.00 \ / // /\ \y / N • SKIMMER TO BE REMOVED FROM RISER AND DRAWDOWN ORIFICE
aL N BOTTOM EL:217.5 / / / , w
/ w LL INSTALLED PER PLAN.
= W / / / / , SEDIMENT STORAGE EL:218.00 / LL W
LU rn H&H
IL \ BOTTOM EL.217.00 N �
O C9 /\ / / / % \/\\/ / / / \ /� / / \\ \\ /\ / / W
0 �/ , , vv v , � \� o Investments, Inc.
m
CONTACT-
RA HUFF
2919 REEZEWOODAVE.
FAYE EVILLE,NC 28303
POND CROSS SECTION Proj ct:
Scale: O O scale SKIMMER SEDIMENT BASIN(Practice 6.64)
CONSTRUCTION SPECIFICATION T QUIL
1. Clear,grub,and strip the area under the embankment of all vegetation and root mat.Remove all surface soil containing high amounts of organic matter and stockpile or
dispose of it properly. Haul all objectionable material to the designated disposal area. Place temporary sediment control measures below basin as needed. /( /� �O`�TC
This document provides general installation guidelines for theArmorMn'anchored reinforced vegetation system used in w= �^° 2. Ensure that fill material for the embankment is free of roots,woody vegetation,organic matter,and other objectionable material.Place the fill in lifts not to exceed 6 inches to 1V1 A v 1r ►J
non-structural applications including levees,stream and dyer banks,and storm water channels.Thesenon-structural `"'°"`"°"�°w"
I I I allow for settlement.
applications are typically designed usingType 2 earth percussion anchors.For installation guidelines with ArmorMail and « " °era " °I ° 3. Shape the basin to the specified dimensions.Prevent the skimming device from settling into the mud by excavatins a shallow It under the skimmer or providinga low support
1/2"X4" WEDGE OR EPDXY , 2"X 4" WEDGE OR -2 • @z' r p P 9 9 p Pparf P A 1
ANCHOR WITH YANG NUT / Type IA and/or 1B earth percussion anchors used in structural appications,please contact Propex. = °; ,• g' ; under the skimmer of stone or timber.
AT SLOTTED H YANG TIONNUT EPDXY ANCHORS BOLTED t g F s €t ,• s " • • •
(TWO EACH CORNER) s 4. Place the barrel(typically 4-inch Shedule 40 PVC pipe)on a firm,smooth foundation of impervious soil.Do not use pervious material such as sand,gravel,or crushed stone as
Site Preparation/PrepareSubgrade -nN-I- w= • .j Id backfill around the pipe.Place the fill material around the pipe spillway in 4-inch layers and compact it under and around the pipe to at least the same density as the adjacent
•Grade and compact area as directed and approved byFngineecSuhgade shall be uniform and smooth.Remove all rocks,clods,vegetation or "� ,•.we. 1 "w«"„ M. ,.,<" »--„ embankment.Care must be taken not to raise the pipe from the firm contact with its foundation when compacting under the pipe haunches.
Other objects so the installed mat will have direct contact with saif surface. cnuoiwu EoaE=aENc„pETnIL
R;;"° tOX Id #: 494550001013
TWO HINGES WELDED „,„�.mra„.an.roE^n Nn«rrReNc„-aw„o,u -
! I I TO PLATE TO OPEN •Prepare seedbed hy loosening the top t-3in(51.75mm)orsoil. Figure 7-LONGITUDINAL EDGE TRENCH Figure 8-MODIFIED CHECR SLOT ANCHORS Place a minimum depth of 2 feet of compacted backfill over the pipe spillway before crossing it kvithconstruction equipment.In no case should the pipe conduit be installed by
ACCESS HATCH •IIB suggested that awif test he conducted to ensure soil fertility. Figure4-INITIALTRENCHDETAIL Catlin atrenchthrow hthedamaftertheembankmentiscom late.
{-' ) 9 9 P township: McClaughlin
Bags BENT • IncoryorateamandmenssuchashmeantltertlizeranU/or wet thesoii,ifneeded. 5. Assemble the skimmer following the monuffacturers instructions,or as designed.
WELDED To •Oa not mulch amaswhere mat istobeplaced. 6. lay the assembled skimmer on the bottom of the basin with the flexible joint at the inlet of the barrel pipe.Attache the flexible joint to the barrel pipe and position the skimmer
y z I PLATE
f j p p county: Hoke
OGo ii i •For additional factors of safely, •� "- over the excavated pipe or support. Be sure to attach a rope to the skimmer and anchor it to the side of the basin. This will be used to pull the skimmer to the side for
O t t Consult project plans and/or specifications for seed types and application rates. r� � � o -se,•"t,sr°• <o"mre""<.". m„".<,.•a,,..,n =«.K,"a«,
W 3/8" maintenance.
a i SUPPORT PLATE Levee installation t.f • -em.+°zamlwsrc : 7. Earthen spillways-Install the spillway in undisturbed soil to the greatest extent possible.The achievment of planned elevations, grade, design width, and entrance and exit State: NC
, 4x . e = x * . :., s' p Y• 9 P P 9
a = 1 ' •InstalllnitalTrenchonwetS(deandNo[ectedSideohhelevee-referloFiguelA channel slopes are critical to the successful operation of the spillway.The spillway should be lined with laminated plastic or impermeable geotextile fabric.The fabric must be
�i___
:i
•Unroll HPTRM up the levee and across the crest "I = , ai , ° R ° ' PW DEtAIL
•�•- wide and long enough to cover the bottow and sides and extend onto the top of the dam for anchoring in a trench.the edges may be secured with 8_inch staples or pins.The
Installpi sandearthpemussionanchosbasedon6equencyandspacingoftie-downdevicesshowninFgure2orasdesgned in project
? I """""°'^ � °-°"Mom =•"F�� °�"• fabric must be long enough to extend down the slope and exit onto stable ground.The width of the fabric must be one piece,not joined or spliced;otherwise water ccan get �+ ,{
•"' specifications/drawings.Figure3 details procedure for installation of earth Percussion amInrs. ( �R*� a w«r ReN�„-sooEnEaa under the fabric.If the length of the fabric is insufficient for the entire length of the spillway,multiple sections,spanning the complete width,may be used.The upper section(s) ST RMWATER
N , : PERCIraa.. ' _ .„nN„pE CIWUNEt dETu
o f ; •Install Longitudinal EdgeTmnch on the first and last the pmjerx-Ieferto Figure 4. CHOR should overlap the lower section(s)so that water cannot flow under the fabric.Secure the upper edge and sides of the fabric in a trench with staples or pins.
_ N r"P ' , " ° ' -' , figure 9-TERMINAL TRENCH 8. Intlets-Discharge water into the basin in a manner to prevent erosion.Use temporary slope drains or diversions with outlet protection to divert sediment-laden water to the WET DETENTION
- -- -- TOP VI C Vf •For levee slopes longer than 45 R(13.7 m),install modified check slots-refer to Figure 5. \` g p p ry p
- ,mWtO.fH''---j Note:All seam Overlaps shall be a minimum of6in(I50mn).For end offoilmedaps Ste detail in Figure 7. _ (; '�._ ' ase+.a upper end of the pool are to improve basin trap efficiency. T1�T .L�
struct
3 -"I P "ram p ovERUPPING EDP Plow 9. Erosion cleared. tab�ize the nemergencythe
structure Iwo semb embankment disturbed
andother disturbed ar Divert
eas above the coast of he n from
ne asspillway re areas.
im immediatelyComplete
affect construction.
on,nkment before the area is AS1Liv tt 1
Figure 5-PIN AND ANCHOR PATTERN DETAIL COVERED EDGE P Y P P
u�f 2-BAR SUPPORT
, ' 10. Install porous baffles as specified in Practice 6.65,Porous Baffles. ETAILS
J AT CENTER Nole:IDe anrJlor pauem shoran hrinch Bn%mid 0a/Sp does IanimWde ancMrs Por Trenches,end Mroll ,
Q BARS BENT 6"X 9/2" PLATE BENT TO "« orcrigs,aadmmGRmt check*L, r�� 11. After all the sediment-producing areas have been permanently stabilized,remove the structre and all the unstable sediment.Smooth the area to blend with the adjoining areas
H WELDED TO TRASH RACK ANGLE.
PLATE PIN/STAPLE NPTRM properly.
BARS WcLOEO TO PLATE FF and stabilize
CII STRUCTION
PROTECTED SIDE U
TRASH WET SIDE +'
EARTH PERCUSSION ANCHO � ^ryF
N 3"X 3/8" RACK ", © � MAINENTANCE D CUMENTS
Q SUPPORT
I m PLATE + -� inspect skimmer sediment basins at least weekly and after each significant one-half inch or greater)rainfall event and repair immediately.Remove sediment and restore the basin
to
- I - • ELEVATION Vie m'n.aonmmnm rypl Excavate elnal thedsedim sediment the entiirretbas nu no just mulates taro nd one-half
thethe
skmmerlorr the first cell. make Pull
Surfs vegetation growing side
in the that
bottom of the botnt tom does not hold down the
rneath it can be excavated. job P21-013
no.
pqC p r�
O IRAs', RACK LtETAIL ®, rG�, m HPTRMENDOFROLLOV RI AP JOINT bmmer.
_ S .
LEVEE CROSS-SECTION ='•-' -�- •• r_ date: -
01 03 23
ov:" Repair the baffles if they are damaged.Re-anchor the baffles if water is flowing underneath or around them.
MOVERVIEW Of LEVEE I u ana+roR Roo remova °aawcrig sae Ta Figure 10-END OF ROLL OVERLAP DETAIL drawn y: TA
o I n glH wM If the skimmer is clogged with trash and there is water in the basin,usually jerking the rope will make the skimmer bob up and down and dislodge the debris and restore flow.If this
a r"r««.m•,«•n°°,w.,�°",°,.n,„� does not work,pull the skimmer over to the side of the basin and remove the debris.Also check the orifice inside the skimmer to see if it is clogged;if so remove the debris. {�
Nd J�F�� I THE ADVANTAGE CREATORS' -■'■ rn� survey �/• LI A
J Ls Typa 2 Type 1 t IV LL` If the skimmer are or barrel pipe is clogged,the orifice can be removed and the obstruction cleared with a plumber's snake or by flushing with water.Be sure and replace the Orifice /_ GEOSYNTHETICS Tvaez YSD�•y dry m�eNvinonneNrncRouv pp gg
Anchor-1, Anchor only AncMr 1■�i�+rF�• I THE ADVANTAGE CREATORS:"
Note:Trim excess Icrs.doer-.,.g plane ial� a.n 7,800.b67.4877 before repositioning the skimmer. Ch@CICed by: .iN
GEOSYNTHETICS
o figure R-EARTH PERCUSSION ANCHOR INSTALLATION Check the fabric lined spillway for damage and make any required repairs with fabric that spans the full width of the spillway.Check the embankment,spillways,and outlet for -_
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eTM ems, °;� °^u�'a�TME^"•�'sF•^ erosion damage,and inspect the embankment for piping the settlement.make all necessary repairs immediately. Remove all trash and other debris from a kim er�`��'��"�` "°°��°""`°�`=s"°°`°��°��� 9 P P P 9 ry P y o deb the s m and pool
a�aa oa; °ou u;, Ea. R „'oau "fin°�m��w•»�A;R oa ,.uww:N�naa areas.
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= WEIR ARMORING DETAIL Freezing weather can result in ice forming in the basin.some special precautions should be taken in thewinter to prevent the skimmer from plugging with ice.
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