C501 DETAILS

DIMENSIONS AND QUANTITIES FOR BRICK CATCH BASIN 10 USE ON FLAT GRADE o0 2% & UNDER adw
DIMENSIONS OF BOX AND PIPE COVER REINFORCING CUBIC YARDS OF BRICK MASONRY
PIPE SPAN WIDTH WIDTH SPAN HEIGHT HEIGHT DIMENSION BARS -U BARS -V BARS -W TOTAL CONCRETE IN BOX H1 environments life
D A B C G MIN.H1 H2 E F NO LENGTH NO LENGTH NO LENGTH LBS. TOP SLAB FLOOR TOTAL CU. YDS. PER FT. HT.
15" 3'-0" 2'-4" - - 2'-6" - - - - - - - - - - - 0.294 0.294 0.823 0.329 3 3 architecture planning interiors
18" 3'-0" 2'-4" - - 2'-10" - - - - - - - - - - - 0.294 0.294 0.933 ABOVE DEPRESSED
X X 24" 3'-0" 2'-4" - - 3'-4" - - - - - - - - - - - 0.294 0.294 1.098 MIN. H1 GUTTER LINE
#4 BAR 30" 3'-0" 2'-4" 3'-4" 3'-0" 3'-2" A 1'-10" 4'-4" 4 V-6" 3 1 4'-1" 3 4'-1" 45 0.147 0.374 0.522 1.306 ELEVATION 2815 coliseum centre drive, suite 500
N GENERAL NOTES: 36" 3'-0" 2'-4" 3'-10" 3'-0" 3'-8" R 2'-4" 4'-4" 4 2'-0" 4 4'-1" 3 4'-1" 49 0.187 0.415 0.602 1.870 0 329 charlotte, north Carolina 28217
I STANDARD CURB & GUTTER
42" 3'-0" 2'-4" - 4'-5" 4'-4" A 2'-1" 3'-6" 4 1'-9" 3 3'-3" 3 3'-3" 38 0.135 0.390 0.525 1.847 H2 ON LIGHT GRADES t] 704 379 1919
USE CLASS "B" CONCRETE THROUGHOUT. 48" 3'-0" 2'-4" - 5'-0" 4'-10" B 2'-8" 3'-6" 4 2'-6" 4 3'-3" 3 3'-3" 40 0.173 0.430 0.603 2.185
2" WEEP HOLES 54" 3'-0" 2'-4" - 5'-7" 5'-4" "E 3'-3" 3'-6" 4 3'-0" 6 3'-3" 3 3'-3" 48 0.211 0.470 0.680 2.553 f] 704 379 1920
PROVIDE ALL DROP INLETS OVER 3'-6" IN DEPTH WITH STEPS 12" ON CENTER. www.adwarchitects.com
USE STEPS WHICH COMPLY WITH NCDOT STD. DRAWING 840.66. NORMAL 10' MAX. 2%
>- 4 6" GUTTER LINE AND OVER
OPTIONAL CONSTRUCTION -MONOLITHIC POUR 2" KEYWAY OR #4 BAR DOWELS AT
12" CENTERS AS DIRECTED BY THE ENGINEER. BACK OF
CURB #4 BARS "U"
PLAN DOWEL USE FORMS FOR THE CONSTRUCTION OF THE BOTTOM SLAB. EQUALLY SPACED E
X #4 BARS #4 BARS "V" DEPRESSED
WITH GRATE & IF REINFORCED CONCRETE PIPE IS SET IN BOTTOM SLAB OF BOX, ADD TO SLAB N
11 1 N EQUALLY SPACED GUTTER LINE
FRAME REMOVED AS SHOWN ON NCDOT STD. 840.00. "V" 12" 5'
CONSTRUCT WITH PIPE CROWNS MATCHING. Y FA - - Y �L 8" 8" 3 '�``3 #4 BARS "U" #8 BARS "W"
_ -- 717
�--- * - --_ - - ELEVATION
SEE NCDOT STD. DRAWING 840.25 FOR ATTACHMENT OF FRAMES AND GRATES m OUTLET F �STANDARD CURB &GUTTER
NOT SHOWN. - JL
dr= p ON STEEP GRADES
INSTALL 2" WEEPHOLES AS DIRECTED BY THE ENGINEER. F_ I SECTION S -S SECTION R -R
iC
INSTALL STONE DRAINS, OF A MINIMUM 1 CUBIC FOOT OF N0. 78M STONE INA E
POROUS FABRIC BAG OR WRAP, AT EACH WEEP HOLE OR AS DIRECTED BY THE
BRICK COPING (INCIDENTAL) ENGINEER. PLAN SECTION X -X 3" #4 BARS "V" 1
EQUALLY SPACED (3) #8 BARS -
TOP ELEVATION CHAMFER ALL EXPOSED CORNERS 1 ". RIM ELEVATION' ro "WIWI' O.C.
REFERENCE HERE
NCDOT STD. 840.16 0 1- - - - - - - -r I t�
d FRAME & GRATE
DIFIC
!II _47N $ A $ R ?a I IIII
(V 8" B - - STEP �m R GENERAL CONTRACTORS
6" A 6" 6" B 6" STEP " < I III1
717 8„ G�----
- - - - E + w
= DIMENSIONS AND QUANTITIES FOR DROP INLET (BASED ON MIN. HEIGHT, H) _ 8" 8" _ C ] + _ D_71
DIMENSIONS OF BOX & PIPE CUBIC YARDS CONC. IN BOX DEDUCTIONS
TOTAL " =7C OUTLET o = g" p = -1C = PLAN OF TOP SLAB
PIPE SPAN WIDTH HEIGHT BOTTOM WALL PER CONCRETE FOR ONE PIPE (D jr -
FOR MINIMUM - co7f _ -
- _ 0I D A B H SLAB FT. HT. HEIGHT, H C.M. R.C. NOTES:
,> --
_ - - 12 31 -Olt 2 -0 21-01l 0.222 0.222 0.592 0.015 0.026 1. MORTAR JOINTS SHOULD BE BETWEEN" f" THICK.
15" 2'-3" 0.648 0.023 0.036 2. ALL CONCRETE TO BE 3000 P.S.I. COMPRESSIVE STRENGTH.
r.3. PRECAST CAN BE SUBSTITUTED. SUBMIT SHOP DRAWINGS ON IREDELL
18" 2'-6" 0.703 0.033 0.049SECTION Y -Y END ELEVATION/SECTION J -J SIDE ELEVATION/SECTION M -M ALL STRUCTURES.
CO SEE NOTE MAX. PIPE THIS SIDE - 18" 24" 3'-0" 0.814 0.059 0.085 4. ALL CATCH BASINS OVER 3'-6" IN DEPTH SHALL BE PROVIDED
DOWEL (SEE NOTE) WHERE 30" TO 36" WHERE 42" TO 54" WITH STEPS 12" ON CENTERS IN ACCORDANCE WITH NCDOT
30 31-01l 2 -0 3'- 6 0.222 0.222 0.925 0.092 0.127 PIPE IS USED PIPE IS USED STD. #840.66.
SECTION X -X SECTION Y -Y5. CONCRETE BRICK MAY BE USED IN LIEU OF HARD COMMON
10' 3' 10' E CLAY BRICK.
E 6. JUMBO BRICK WILL BE PERMITTED.
7. FOR 8'-0" IN HEIGHT OR LESS USE 8" WALL OVER 8'-0" IN CONTACT: DAVID SALEEBY
_ HEIGHT USE 12" WALL TO 6'-0" FROM TOP OF WALL AND 8" 349 NORTH CENTER ST.
WALL FOR THE REMAINING 6'-0". QUANTITIES TO BE ADJUSTED STATESVILLE NC 28677
Ell
ACCORDINGLY. 704-878-3035
5' w QJB
[ 8. ALL PIPE IN STORM DRAIN STRUCTURE TO BE STRUCK EVEN
WITH THE INSIDE WALL, GROUTED AND BRUSHED SMOOTH.
PLAN J - J M m M 9. WEEP HOLE(S) SHALL BE PLACED IN BACK WALL. A STONE
CURB AND GUTTER WITH CATCH DRAIN CONSISTING OF 1 (ONE) CUBIC FOOT OF NUMBER 78M e n e s c
-
BASIN ON STEEP GRADESFI 11 STONE CONTAINED IN A BAG OF POROUS FABRIC SHALL BE
PLACED AT WEEP HOLE.
Concrete Dro Inlet Curb Inlet Detail 10. BRICK SHALL BE BONDED WITH FULL HEADERS EVERY 3
COURSES.
u u 2 11. FRAME AND GRATE SHALL BE IN ACCORDANCE WITH NCDOT STD. Alfred Benesch & Company
NCDOT #840.14 (12 THRU 30 PIPE) N.T.J. N.T.6. PLAN PLAN NO. 840.03 WITH DIRECTIONAL GRATES AS APPROPRIATE. 2320 West Morehead Street
Charlotte, NC 28208
www.benesch.com
P 704.521.9880
HINGED GRATE COVER 16.25"
2'-0" FOR EASY ACCESS -AV-6.25" -7K-Corp• P Project #17.00014C License: 02
CONCENTRIC I GENERAL NOTES MATERIAL: CAST IRON
U -CHANNEL ORANGE BARRIER CONE SECTION ,• •\ GRADE 2,_0„ MIN. AREA OF s QUALITY: MATERIAL SHALL CONFORM TO � � � New Facility For
D + 2 W / •\ STEEL IS 0.07 IN. 1. USE 4000 PSI MINIMUM COMPRESSIVE STRENGTH ASTM A48 - CLASS 30B
POST FENCING � RING "
1" MIN. ADDITIONAL / \, a CONCRETE. o N D D
r CLEAR #4 REBAR / �\, •^ M PAINT: CASTINGS ARE FURNISHED WITH A co
Li / ECCENTRIC CONE 2. FABRICATE, ASSEMBLE AND DESIGN PRECAST r�i BLACK PAINT O O
❑D❑ ❑❑0000°°°❑OO°°°°°°°°°°°°❑D❑ coo -= -a----< - MANHOLE COMPONENTS ACCORDANCE WITH AASHTO
❑0❑ ❑0000000000000000000000000❑ ❑0❑ !- a `a /, •\ <�• •a 6 MAX. SPACING M199.
❑°❑ ❑°°°°°°°°°°°°°°°°°°°°°°°°°❑ ❑°❑ =- --- - / °\, I OF CIRCUM. R/F
111:11:11:1 ° ° ° O O O O O O O ° ° ° ° ° ° ° 0 O O O O O O O ° ❑ ❑ 0 ❑
(z7= IREDELL
1:11:11:1 ❑ ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ° ❑ 0 0 0 1_1 MIN. USE MIN. AREA OF STEEL IN /• •\ LOCATE WALL REINFORCEMENT /•< I 3. ASSEMBLE RISER AND GRADE RINGS WITH THE *0)
CLEAR TOP SLAB OF #4'S ©8" CTS. / •I STEPS SPACED 12" FROM THE TOP TO THE
❑°°°❑ ❑°°°°°°°°°°°°°°°°°°°°°°°°°❑ ❑°°❑ IN MIDDLE THIRD OF WALL
00000 ❑OO°°°°°°°°°°°°°°°°°°°°°°°❑ DODD EACHWAY/EACH FACE *. a/ N BOTTOM OF THE MANHOLE. STANDARD (H-20) RATED
°O°°° °O°O°O°°°°°°°°°°°°°°O°O°°°° °O°° FLAT TOP SLAB 'D' /• I� DRAIN AREA = 92.5 SQ. INCH COUNTY
0000❑ ❑0000000000000000000000000❑ 0000❑
-1 III I_I III=III=1-III ;III -1 -III iI ,� I- III -Iii ° /` I 4. WHERE THE MANHOLE IS EXPOSED TO ROAD
STEP STD. TRAFFIC, CONSTRUCT THE TOP OF MANHOLE FLUSH � � 16.25"
III III ALTERNATE CONE SECTION ^/. I NO. 840.66 WITH THE GROUND AND A MINIMUM OF 9" ABOVE
fa � � � 6.25" �
THE GROUND AT OTHER LOCATIONS. O O
/• As O O
PUBLIC
FRAME AND GRATE STD. N0. a I (CIRCUMFERENTIAL 5. LIMIT DEPTH OF FILL TO 30'-0" FROM FINISH L 0=�
ADDITIONAL #4 EACH SIDE TRAFFIC BEARING 840.37 °i .I REINFORCEMENT) GRADE TO TOP OF BOTTOM SLAB. m o
OF OPENING (1" CLEAR 'I
OF BOTTOM FACE PLACE NONTRAFFIC BEARING 840.22 ADDITIONAL #4 EACH RISER 6. THE MIN. SLAB THICKNESS 'T' IS THE DIMENSION 04
840.24 „ LONGITUDINAL SL THE THINNEST PORTION OF THE TOP/BOTTOM �17 CO
SAFETY
BARS DIAGONAL TO SIDE OF OPENING (1 I. REINFORCEMENT *�
840.20 CLEAR OF BOTTOM FACE) SLAB.
CORNERS (TYP.) I
840.29 I ° .14 7. * TOP MAT OF REINFORCEMENT MAY BE
NOTES \- / 840.33 - I. •I NEGLECTED IF TOP SLAB HAS A DISTINGUISHABLE CENTER
1 . CONTRACTOR TO INSTALL AND MAINTAIN ORANGE BARRIER i' j� i' 'W' I• 'D' .1 'W' TOP AND BOTTOM. 21
FENCING AROUND EXISTING TREES WHERE DELINEATED ON PLAN. / \ \ \ �I. *(1) ADAPTORS CAN BE MOUNTED ON ANY ANGLE 0` PEDESTRIAN (H-10) RATED
2. NO PARKING OF EQUIPMENT OR MATERIALS SHALL BE PERMITTED / / \ \ FRAME & // _ \ I 41 TO 359°. TO DETERMINE MINIMUM ANGLE BETWEEN DRAIN AREA = 79.3 SQ. INCH 404 Bristol Drive
INSIDE THIS AREA. _ \ GRATE _ _ _ _ _ i BASE ADAPTORS SEE PLAN.
3. MAINTAIN BARRIER FENCING THROUGH CONSTRUCTION. REMOVE 15" CAST IRON GRATES
ALL BARRIERS UPON COMPLETION OF PROJECT. / I� _ _ �I \ / / I �! �� \\ °I• •I D W T As Statesvi I le,
4. REFER TO NCDEQ STANDARDS FOR GENERAL SPECIFICATIONS N C
_ _ 1 / �� \� \ . CAST IRON
��\ / / � _ 1[ _ �I \ \ /1 � � �/ � � l � dl �• 1 " MIN. •b REINFORCED CONICINTERNAL MIN. WALL MIN. MIN.
REGARDING TREE PROTECTION. I/ \ ]L - I / I II J I. CLEAR 4GRATE FTG. (SEE STD. DIAMETER THICKNESS TOP/BOTTOM CIRCUM- BACKFILL MATERIAL SHALL BE CRUSHED
5. 6' MINIMUM WIDTH FOR 2" CAL. TREES OR SMALLER. / \ - JL - �I / �\ 1 J lV L - - 1525.01 IF REQUIRED) (FT,) (IN.) SLAB FERENTIAL 15" M STONE OR GRAVEL MATERIAL MEETING
6. ONE FOOT OF LINEAR DISTANCE FROM THE TREE TRUNK FOR - a - - - THICKNESS AREA OF CLASS 1 OR 2 AS SPECIFIED IN ASTM
EACH INCH OF TRUNK DIAMETER, OR HEIGHT OF THE TREE \ \ 1L I / / -� - - - - -� %L (IN.) STEEL PER D2321 BACKFILL MATERIAL SHALL BE
WHICHEVER IS GREATER UNLESS OTHERWISE SHOWN ON PLAN. \ / \ - �/� VERTICAL FT. PLACED UNIFORMLY IN 12" LIFTS AND
(SQ. IN.)I- COMPACTED
SEE STD. 840.54 �/ I---- ---------------4 4 6 0.12 w NzJ
/ \ FOR MANHOLE _ _ = L� < CAST IRON GRATE
j - \ RING AND COVER fi USE MIN. AREA OF STEEL IN BASE SLAB OF 5 5 8 0.15 z � w
0.12 INZ PER LINEAR FOOT EACH WAY 6 6 8 0.18 w > o UNDISTURBED
GRATED INLET OPTION MANHOLE OPTION z UJ bi EARTH I- SITE FLAN REVIEW
^ TYPICAL MANHOLE SECTION J �, Q = CONSTRUCTION DOCUMENTS
�2"T
QTem
ora Tree Protection Barricade Precast Storm Manhole 1hru�48�"P'ie III -III -III -I lI-III-III-III_
Q `� - � -III -III -III III-III-III-�
N.T.S. NCDOT STD. 840.52 > I
II III -III -III -I 11 -III -III -III=
III -1
-III-1 I I -.III -I I I -III -III -III: SITE CONSTRUCTION
= -III-III-III III-III-III-�
GENERAL NOTES: SKIMMER CONSTRUCTION SPECIFICATIONS
III- -III- 1 I -III- -III-
INLET AND OUTLET -I-I 1-1 i 1-1 1-I DETAILS
1. CONSTRUCTION OPERATION SHALL BE CARRIED OUT IN SUCH A MANNER THAT EROSION AND WATER POLLUTION IS 1. SHAPE THE BASIN TO THE SPECIFIED DIMENSIONS. PREVENT THE SKIMMING DEVICE FROM SETTLING INTO THE MUD BY EXCAVATING _1
MINIMIZED. CLEAR, GRUB, AND STRIP THE AREA UNDER THE EMBANKMENT OF ALL VEGETATION AND ROOT MAT. A SHALLOW PIT UNDER THE SKIMMER OR PROVIDING A LOW SUPPORT UNDER THE SKIMMER OF STONE OR TIMBER. ADAPTOR FOR 8" SDR E14-.111-_111 111
REMOVE ALL SURFACE SOIL CONTAINING HIGH AMOUNTS OF ORGANIC MATTER AND STOCKPILE OR DISPOSE OF IT 35 PVC PIPE
8' PROPERLY. HAUL ALL OBJECTIONABLE MATERIAL TO THE DESIGNATED DISPOSAL AREA. PLACE TEMPORARY 2. PLACE THE BARREL (TYPICALLY 4 -INCH LAYERS AND COMPACT IT UNDER AND AROUND THE PIPE OR AT LEAST THE SAME DENSITY g
1' FREEBOARD (MIN.)
MIN. SEDIMENT CONTROL MEASURES BELOW BASIN AS NEEDED. AS THE ADJACENT EMBANKMENT. CARE MUST BE TAKEN NOT TO RAISE THE PIPE FROM THE FIRM CONTACT WITH ITS FOUNDATION
TOP OF DAM 'B'
WHEN COMPACTING UNDER THE PIPE HAUNCHES. PLACE A MINIMUM DEPTH OF 2 FEET OF COMPACTED BACKFILL OVER THE PIPE *(2) MAXIMUM RECOMMENDED
I-- SEED IMMEDIATELY 2. THE FILL MATERIAL FOR THE EMBANKMENT SHALL BE FREE OF ROTS OR OTHER WOODY VEGETATION AS WELL AS SPILLWAY BEFORE CROSSING IT WITH CONSTRUCTION EQUIPMENT. IN NO CASE SHOULD THE PIPE CONDUIT BE INSTALLED BY , PVC PIPE
=1 OVERALL HEIGHT 10
SPILLWAY - I= III -III =III OVERSIZED STONES, ROCKS, ORGANIC MATERIAL, OR OTHER OBJECTIONABLE MATERIAL. THE EMBANKMENT SHALL BE CUTTING A TRENCH THROUGH THE DAM AFTER THE EMBANKMENT IS COMPLETE.
- - =111=111=III-III_ COMPACTED BY TRAVERSING WITH EQUIPMENT WHILE BEING CONSTRUCTED. PLACE THE FILL IN LIFTS NOT TO EXCEED DATE 5.22.2017
ELEVATION 'D' - -
I_ = 9 INCHES, AND MACHINE COMPACT IT. OVERFILL THE EMBANKMENT 6 INCHES TO ALLOW FOR SETTLEMENT. 3. ASSEMBLE THE SKIMMER FOLLOWING THE MANUFACTURES INSTRUCTIONS, OR AS DESIGNED.
-III =1.111 _--_
SPILLWAYS SHOULD NOT BE CONSTRUCTED THROUGH FILL SECTIONS. ALL SPILLWAYS SHOULD BE LINED AND/OR 15 Area Drain Detai I PROJECT NO 16029
-III 4. LAY THE ASSEMBLED SKIMMER ON THE BOTTOM OF THE BASIN WITH THE FLEXIBLE JOINT AT THE INLET OF THE BARREL PIPE.
lo--' RIPRAPPED.
ATTACH THE FLEXIBLE JOINT TO THE BARREL PIPE AND POSITION THE SKIMMER OVER THE EXCAVATED PIT OR SUPPORT. BE SURE 5
PERM. RISER/ II' N.T.S. RISER 8 "
3" SKIMMER RISER I I I i=i I 3. ALL CUT AND FILL SLOPES SHALL BE 2:1 OR FLATTER, UNLESS CERTIFIED BY REGISTERED GEOTECHNICAL ENGINEER. TO ATTACHA A ROPE TO THE SKIMMER AND ANCHOR IT TO THE SIDE OF THE BASIN. THIS WILL BE USED TO PULL THE SKIMMER
DETENTION 3 =- 3 TO THE SIDE FOR MAINTENANCE. T FITTING
CREST 'C' DIA. MIN. REVISIONS
STRUCTURE 1� -III= �1 4. SEDIMENT BASIN EMBANKMENTS SHOULD BE PROVIDED WITH EROSION CONTROL AND STABILIZATION.
(ADD RISER SECTION =111- 3" Faircloth Skimmer® Cut Sheet NO DATE DESCRIPTION:
� a a a WHEN SEDIMENT -III=1 5. STORAGE AREA IS SHOWN AS RECTANGULAR FOR ILLUSTRATIVE PURPOSES ONLY. AND MAY BE CONSTRUCTED IN ANY
e a -III-III=
_ BASIN IS CONVERTED SHAPE PROVIDED THE MINIMUM STORAGE VOLUME REQUIREMENT IS MET. THE BASIN SHOULD ALSO BE ORIENTED J. W. Faircloth &Son, Inc.
IIIIII--1 SUCH THAT THE FILTER AND THE MAIN FLOW OF WATER AND SEDIMENT ARE ON OPPOSITE ENDS ON THE LONGER
a TO A BMP. SEE III�III=III= WWW.FaIICIOthSI(IrT1f71er.COfT1
IV a a SHEET C504) =III=III=' BASIN DIMENSIONS.
I -III -III"' PERMANENT BARREL TO MH XX -
RISER FOR TEMP. III (SEE SHEET C504) 6. REQUIRED STORAGE IS 3600 CUBIC FEET OF STORAGE VOLUME PER ACRES OF DISTURBED AREA. MINIMUM -
ROPE17 REQUIRED SURFACE AREA REQUIRED SHALL BE 435 ST PER CFS OF Q10 PEAK INFLOW. Aluminum straps
PROVIDE 1 SED. BASIN 2" Vent Inlets suspending inlet -
TETHER TO BANK a 4" Sch 40 with Blue tip
N a a 7. THE LENGTH OF THE STONE OUTLET (SPILLWAY) IS TO BE BASED ON A 10 YEAR STORM. EARTHEN coupling MAINTENANCE
N a SPILLWAYS -INSTALL THE SPILLWAY IN UNDISTURBED SOIL TO THE GREATEST EXTENT POSSIBLE. THE ACHIEVEMENT connection 3"pvcfloat
BOTTOM OF BASIN 'A' OF PLANNED ELEVATIONS, GRADES, DESIGN, WIDTH, AND ENTRANCE AND EXIT CHANNEL SLOPES ARE CRITICAL TO c 1. INSPECT SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH -
THE SUCCESSFUL OPERATION OF THE SPILLWAY. THE SPILLWAY SHOULD BE LINED WITH LAMINATED PLASTIC OR z SIGNIFICANT (ONE-HALF INCH OR GREATER) RAINFALL EVENT AND -
a 29„
a IMPERMEABLE GEOTEXTILE FABRIC. THE FABRIC MUST BE WIDE AND LONG ENOUGH TO COVER THE BOTTOM AND REPAIR IMMEDIATELY. REMOVE SEDIMENT AND RESTORE THE BASIN
p SIDES AND EXTEND ONTO THE TOP OF THE DAM FOR ANCHORING IN A TRENCH. THE EDGES MAY BE SECURED 2" Sch 40 SOLID pvc barrel -_ �� TO ITS ORIGINAL DIMENSIONS WHEN SEDIMENT ACCUMULATES TO
4 o a WITH 8 -INCH STAPLES OR PINS. THE FABRIC MUST BE LONG ENOUGH TO EXTEND DOWN THE SLOPE AND EXIT or "arm" ONE-HALF THE HEIGHT OF THE FIRST BAFFLE. PULL THE SKIMMER
WIDTH OTHERWISE SUPPLIED BY USER s
'S' ANTI -SEEP COLLARS ONTO STABLE GROUND. THE OF THE FABRIC MUST BE ONE PIECE, NOT JOINED OR SPLICED; TO ONE SIDE SO THAT THE SEDIMENT UNDERNEATH IT CAN BE
CONC. ANCHOR WATER CAN GET UNDER THE FABRIC. IF THE LENGTH OF THE FABRIC IS INSUFFICIENT FOR THE ENTIRE LENGTH OF %� EXCAVATED. EXCAVATE THE SEDIMENT FROM THE ENTIRE BASIN,
(SEE SHEET C504) / NOT JUST AROUND THE SKIMMER OR THE FIRST CELL. MAKE
THE SPILLWAY, MULTIPLE SECTIONS, SPANNING THE COMPLETE WIDTH, MAY BE USED. THE UPPER SECTIONS(S) 2 SURE VEGETATION GROWING IN THE BOTTOW OF THE BASIN DOES
SHOULD OVERLAP THE LOWER SECTIONS(S) SO THAT WATER CANNOT FLOW UNDER THE FABRIC. SECURE THE 29"
UPPER EDGES AND SIDES OF THE FABRIC IN A TRENCH WITH STAPLES OR PINS. - NOT HOLD DOWN THE SKIMMER.
CLEAN OUT STAKE. _ THIS DRAWING IS THE PROPERTY OF ADW ARCHITECTS, PA. AND
EXCAVATED PIT SEDIMENT CLEAN WATER IN TO SLOPE s,azuas, 2. REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE -ANCHOR THE SHALL NOT BE REPRODUCED OR COPIED IN WHOLE OR IN PART. IT
8. INLETS -DISCHARGE INTO THE BASIN A MANNER PREVENT EROSION. USE TEMPORARY DRAINS r•.en,a:
UNDER SKIMMER OUT ELEV. 933.50 OR DIVERSIONS WITH OUTLET PROTECTION TO DIVERT SEDIMENT -LADEN WATER IN UPPER END OF THE TRAP. BAFFLES IF WATER IS FLOWING UNDERNEATH OR AROUND THEM. SHALL NOT BE USED ON ANY OTHER PROJECT OR GIVEN TO ANY
Skimmer shown in OTHER COMPANY OR AGENCY WITHOUT THE CONSENT OF ADW
9. EROSION CONTROL - CONSTRUCT THE STRUCTURE SO THAT THE DISTURBED AREA IS MINIMIZED. DIVERT SURFACE t floatingposition 3. IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER
I p IN USUALYY ARCHITECTS, PA.
WATER AWAY FROM BARE AREAS. COMPLETE THE EMBANKMENT BEFORE THE AREA IS CLEARED. STABILIZE THE THE BASIN, JERKING ON THE ROPE WILL MAKE THE
2" hose, ss clamps
EMERGENCY SPILLWAY EMBANKMENT AND ALL OTHER DISTURBED AREAS ABOVE THE CREST OF THE PRINCIPAL p 3" inlet 3" HEAD on center SKIMMER BOB UP AND DOWN AND DISLODGE THE DEBRIS AND
2" threaded male nipple extension 4 of inlet and orifice RESTORE FLOW. IF THIS DOES NOT WORK, PULL THE SKIMMER
SPILLWAY IMMEDIATELY AFTER CONSTRUCTION
ae®ea'• 3a°aeyeeryv
,� ®n9p,9
_,
�' r�4 C'D6
``•�8; A
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e �°
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o 154 1
,A
DATA BLOCK
on outlet end OVER TO THE SIDE OF THE BASIN AND REMOVE THE DEBRIS.
10. WHENEVER TOPOGRAPHY ALLOWS, THE BASIN LENGTH SHOULD BE TWICE (2X) THE BASIN WIDTH, TO ALLOW FOR ALSO CHECK THE ORIFICE INSIDE THE SKIMMER TO SEE IT IF IS
BASIN
SETTLING. BAFFLES SHOULD BE PROVIDED IN THE BASIN, BASED ON SECTION 6.65. CLOGGED; IF SO REMOVE THE DEBRIS.
BASIN VOLUME
SURFACE AREA
1. Coupling can be removed and hose attached to outlet using the threaded 2" nipple. Typical
g
DRAINAGE
DENUDED
CLEANOUT
SPILLWAY SKIMMER
1 1. CLEANOUT STAKES SHALL BE PLACED IN ALL SEDIMENT BASINS AT THE LOW POINT IN THE BASIN. THE STAKES methods used: on a metal structure a steel stubout welded on the side at the bottom with a 2" 4. IF THE SKIMMER ARM OR BARREL PIPE IS CLOGGED, THE ORIFICE
B
BASIN AREA
AREA Q10
RISER BARREL BARREL
DEPTH D S Y H Z LENGTH ELEV. ELEV. ELEV. ELEV. SKIMMER ORIFICE
SHALL BE MARKED SHOWING THE HALF FULL, CLEANOUT POINT, OF THE BASIN. CAN BE REMOVED AND THE OBSTRUCTION CLEARED WITH A
threaded coupling or reducers; on a concrete structure with a hole or orifice at the bottom, use a
N0. (AC.)
(CFS)
(AC.)
STRUCTURE SIZE SLOPE
(FT.) (IN. FEET FEET A B C D 2 IN.
(FEET) ( ) (FEET) ( ) ( )
(FEET) DIA. (IN.)
PLUMBER'S SNAKE OR BY FLUSHING WITH WATER. BE SURE AND
hole in it to it that fit the hole in the
REQUIRED PROVIDED
REQUIRED PROVIDED
H/2
steel plate with a cut and coupling welded will over concrete REPLACE THE ORIFICE BEFORE REPOSITIONING THE SKIMMER.
12. SAFETY FENCING 3' HIGH SHOULD BE PLACED AROUND ALL SEDIMENT TRAPS THAT ARE IN VICINITY TO
(CU. FT.) (CU. FT.)
(SQ. FT.) (SQ. FT.)
and bolted to the structure with sealant; grout a 4" pvc pipe in a hole in the concrete to connect
NON -CONSTRUCTION PEDESTRIAN TRAFFIC AND NOT ALREADY PROTECTED BY FENCING.
the skimmer. It can be attached to a straight 4" Sch 40 pipe through the dam but the pipe needs 5. CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY%.
to be anchored to the bott
GRASS HAS GERMINATED AND STABLE GROUND HAS BEEN ESTABLISHED. 4. Inlet tapers down from a 3" maximum inlet to a 2" barrel and hose. Barrel is smaller to reduce
om at the connection so it is secure. REQUIRED REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF � :^�� ��°•,., ,.. °i�,-' `, �'
13. FOR SLOPES GREATER THAN 10' IN LENGTH AND PROTECTED BY SILT FENCE AT THE TOE OF THE SLOPE, SLOPE
A 9.11 7.62 32.08 '-3"X6'-3" 30" 0.25 13,716 36,463 10,426 16,760 1.5 14 7.0 5.0 N/A 3.0' N/A 932.00 937.00 935.00 N/A 3" 2.5" TERRACING WILL BE REQUIRED. 2. Dimensions are approximate, not intended as plans for construction. THE SPILLWAY. CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET ��r t
3. Barrel (solid, not foam core pipe) should be 1.4 times the depth of water with a minimum FOR EROSION DAMAGE, AND INSPECT THE EMBANKMENT FOR
14. THE BERM ON SEDIMENT BASINS SHALL BE SEEDED ONCE FINAL GRADE HAS BEEN REACHED. THE SILT FENCE AND length of 8' so the inlet can be pulled to the side for maintenance. If more than 10' long weight PIPING AND SETTLEMENT. MAKE ALL NECESSARY REPAIRS SEAL
BASIN MAY BE REMOVED IF PERMISSION HAS BEEN GRANTED BY NCDEQ LAND DEVELOPMENT INSPECTOR AFTER THE may have to be added to inlet to counter the increased buoyancy. IMMEDIATELY. REMOVE ALL TRASH AND OTHER DEBRIS FROM THE '
SKIMMER AND POOL AREAS.
buoyancy and tendency to lift inlet but is sufficient for flow through inlet because of slope. The 6. FREEZING WEATHER CAN RESULT IN ICE FORMING IN THE BASIN.
15. ALL EROSION CONTROL MEASURES ARE TO BE DESIGNED TO THE STANDARDS DOCUMENTED IN THE NORTH CAROLINA inlet orifice can be reduced using the plug and cutter provided to control the outflow rate. SOME SPECIAL PRECAUTIONS SHOULD BE TAKEN IN THE WINTER
DEPARTMENT OF ENVIRONMENTAL QUALITY, EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL, 5. Inlet is 6" pipe between the straps with aluminum screen door for access to the 3" inlet and TO PREVENT THE SKIMMER FROM PLUGGING WITH ICE.
orifice inside.
6. Capacity 9,774 cubic feet per day maximum with 3" inlet and 3" head. Inlet can be reduced
by installing a smaller orifice using the plug and cutter provided to adjust flow rate for the
6 Tem ora Sediment Basin particular basin volume and drawdown time required.
7. Shipped assembled. User glues inlet extension and barrel, installs vent, cuts orifice in plug
NCDEQ STD. 6.61 and attaches to outlet pipe or structure. Includes flexible hose, rope, orifice cutter, etc. SHEET NUMBER
3" SKIMMER FIXTURE
Y:\charlotte\17000100S\17000142.00-Iredell_Safety-Compl\Eng_Docs\Drawings\17000142.00-CD\17000142 DETAILS.dwg, C501 DETAILS, 5/16/2017 11:25:22 AM