SW3221007_Plansheet - SCM Detail_20230508

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REVISION BREC
1 2 05/08/2023 3 EMERGENCY SPILLWAY
INFILTRATION TRENCH BMP OUTLET w
C903 C903 ORM RAX PEAK C903 STORMWATER CONTROL MEASURE
SEE PLANS FOR ACTUAL LAYOUT OOF STRUCTURE ��p\�' O
,v ,v ,v ,v ,v ,v �, J TRASH RACK OR ��2 U
� � � � � � � � � APPROVED EQUAL
ENGINEERING PLANNING ENVIRONMENTAL
SOD .v .v .v .v .v .v .v .v .v GILEANCII C�
.v .v Q
1520 MEADOWUIEW DRIVE
WILKESBORO,NC 28697 0
336.844.4088 http://brec.biz L U
RIM ELEV. =817.00
GROUT INTERIOR 816.83 ° W
WALLS •.. a
OUTIL T STORM PAX PEAK ° �1 0��'�
�
w ,v FOREBAY DAM a I� T _ \\ ,�iLJJ
INFILTRATION ROOF STRUCTURE I .`
3'x 3'x 3.5'PRE-CAST ON
.i
l TRASH RACK OR ,. . B _ Q� W
A A CATCH BASIN MEETING
OR EXCEEDING NCDOT APPROVED EQUAL • 1 ,•3
OUTLET STD.840.45 3
5
•y •y •y •y STRUCTURE �a v `c'-
wSEE DETAIL 15"HDPE
4" PVC UNDERDRAIN '� •. HG��E�,,`••G�\� C�
" -v .v / v G
4 PERFORATED INV. =815.25 � .. a� INV. =813.50
SOD SOD �:•••......••' �
PVC U N D E RD RAI N ,r, ,r, ° 814.00 a
6"CONCRETE ��7�r r I I I I����� z
. GENERAL NOTES:
1. T= 16' 05/08/2023 Q
2. B= 10' J
PLAN VIEW 3. LINE WITH SCOURSTOP TRANSITION MATS
6 °
.. ° g OR APPROVED EQUAL OVER SOD.
#57 WASHED STONE `, �•�•••.�,,0 ' '
J,EC..,;9�,�, LJJ
COMPACTED PO ' -
:•Goy U
OUTLET - ;NCBELS#C-3448; = u)
STRUCTURE 819.00 TOP OF DAM NOTES:
SEE DETAIL 1. USE MONOLITHIC STRUCTURE WHERE POSSIBLE. IF RISERS ARE REQUIRED,THEY MUST
3' DAM ERGENCY SPILLWAY BE MECHANICALLY ANCHORED TO PRIMARY STRUCTURE. �'1'�'••, •..•.•••,:��e'�� O
s #57 WASHED STONE 3"THICK SOD O� ELEV. -817.75 2. ENSURE ALL STRUCTURE JOINTS AND PIPE PENETRATIONS ARE WATER TIGHT. USE '°,��T/�CARp����• z
l0� 817.00 g\ CON SEAL CS-102 JOINT MASTIC (OR APPROVED EQUAL) AT ALL SEAMS. GROUT O
INTERIOR STRUCTURE WALLS AND PIPE CONNECTIONS. 0
17
60 81 .0 781 - - - - - - - - - - - - - -
814.00
FOREBAY s'
OUTLET 4 5
3"WASHED STONE TEMPORARY GRAVEL CONSTRUCTION SILT FENCE STONE OUTLETS
SHWT=811.00(SEE SHWT REPORT DATED 10/18/2022) SEE ENLARGED PLAN -"-------
_ _ - - - - - - - - - - - - - - - C903 C903 4' MIN.
_ - - -SECTION VIEW�A� - - - ENTRANCE SILT FENCE
GENERAL NOTES:
1. A STABILIZED ENTRANCE PAD OF COARSE AGGREGATE OR RAILROAD BALLAST SHOULD BE LOCATED WHERE TRAFFIC WILL ENTER OR LEAVE THE CONSTRUCTION SITE
OUTLET ONTO A PUBLIC STREET.
SOD STRUCTURE 2. FILTER FABRIC OR COMPACTED CRUSHER RUN STONE SHOULD BE USED AS A BASE FOR THE CONSTRUCTION ENTRANCE.
3. THE ENTRANCE SHOULD BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOWING OF SEDIMENT ONTO PUBLIC STREETS OR EXISTING PAVEMENT. TOP OF SILT FENCE
CLEANOUTS THE MAY REQUIRE PERIODIC TOP DRESSING WITH ADDITIONAL STONE AS CONDITIONS WARRANT AND REPAIR OR CLEANOUT OF ANY MEASURES USED TO TRAP77
SEDIMENT. MUST BE AT LEAST 1
c� 77
PVC CAP TO BE SCREWED ABOVE THE TOP OF
4. ANY SEDIMENT SPILLED, DROPPED,WASHED, OR TRACKED ONTO PUBLIC STREETS MUST BE REMOVED IMMEDIATELY. THE#57 STONE
w FITTING GLUED TO 5. WHEN APPROPRIATE,WHEELS MUST BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTERING A PUBLIC STREET. WHEN WASHING IS REQUIRED, IT SHOULD BE DONE IN AN U �
CLEANOUT RISER 816.00 AREA STABILIZED WITH CRUSHED STONE WHICH DRAINS INTO AN APPROVED SEDIMENT BASIN.
Z z
815.00 II JT' 6. CDOT MAY REQUIRE A STANDARD COMMERCIAL DRIVEWAY TO ACCESS THE CONSTRUCTION SITE IF THE DRIVEWAY IS ON A THROUGHFARE. STEEL FENCE POST �
7. PLEASE REFER TO NCESCPDM SECTION#6.06 FOR ADDITIONAL DESIGN SPECIFICATIONS REGARDING TEMPORARY GRAVEL CONSTRUCTION ENTRANCES/EXITS. WIRE FENCING �� FRONT VIEW II
MAINTENANCE NOTES: BURY WIRE FENCE, N�N
I MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM LEAVING THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOPDRESSING WITH 16"MIN. II FILTER FABRIC,AND HARDWARE
813.50 I I���
2-INCH STONE. AFTER EACH RAINFALL, INSPECT ANY STRUCTURE USED TO TRAP SEDIMENT AND CLEAN IT OUT AS NECESSARY. IMMEDIATELY REMOVE ALL OBJECTIONABLE HARDWARE CLOTH u CLOTH IN TRENCH
II- OUTLET MATERIALS SPILLED,WASHED, OR TRACKED ONTO PUBLIC ROADWAYS. w
III NN
CLEANOUT DETAIL ' -' --- CLASS 1 OR RIPRAP #57 STONE L.I.
813.00 BOTTOM __ 50 MIN �_
6" MIN PUBLIC STREET � STEEL FENCE POST O
3'x 3'x V CONCRETE SET MAX 2'APART J
ANTI-SEEP COLLAR EXISTING GROUND N MIN. 18" INTO SOLID
6"OF COURSE MASONRY SAND SOIL STABILIZATION FABRIC 16"MIN. I 3" FILTER FABRIC GROUND
CONFORMING TO ASTM C33 STANDARD UNDER 2-3"COARSE AGGREGATE II ON GROUND
BURY WIRE FENCE AND HARWARE CLOTH II BURY 6"OF UPPER EDGE OF
#57 STONE II
FILTER FABRIC IN TRENCH
50'MIN u
NOTES: 4" PERFORATED PVC SECTION VIEW
� GENERAL NOTES:
1. ENSURE OUTLET STRUCTURE IS INSTALLED OUTSIDE OF SAND MEDIA. UNDERDRAIN @ 0.5%SLOPE w
w 1. REMOVE SEDIMENT WHEN HALF OF STONE OUTLET IS COVERED.
2. ALL DRAINAGE AREAS TO THE INFILTRATION TRENCH ARE TO BE STABILIZED IY
ALL MATERIAL LAYERS TO BE SEPARATED BY 80Z 2. REPLACE#57 STONE AS NEEDED TO ENSURE DEWATERING.
PRIOR TO INSTALLATION. z 3. WIRE FENCING SHALL BE A MINIMUM OF 32"IN WIDTH AND SHALL HAVE A MINIMUM OF 6 LINE WIRES WITH 12"STAY SPACING.
3. PVC UNDERDRAIN PIPE SHOULD HAVE 3/8" PERFORATIONS SPACED AT 6" NON WOVEN GEO TEXTILE FILTER FABRIC IV _j MAINTENANCE NOTES:
CENTERS. MIN.4 HOLES PER ROW. MAX SPACING OF UNDERDRAIN PIPE IS 10 FEET ENLARGED VIEW � 1. INSPECT SEDIMENT FENCE AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL.MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
ON CENTER. HDPE SHALL ADHERE TO AASHTO M252 SPECS.
w 2. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE,TEAR,DECOMPOSE,OR BECOME INEFFECTIVE,REPLACE IT PROMPTLY.
4. UNDERDRAIN CLEANOUTS SHOULD EXTEND A MIN. OF 6"ABOVE SAND SURFACE. -JAM m 3. REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE
5. ALL SOD WITHIN BASIN SMALL BE BERMUDA GRASS OR EQUALIANT GROWN IN FENCE.TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT.
SANDY SOIL. 4. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE IT AFTER THE
CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
DETAILS
6 ROCK PIPE INLET PROTECTION 7 SILT FENCE 8 TEMPORARY DIVERSION
C903 C903 C903 PREPARED FOR:
GENERAL NOTES: STEEL POST TERAMORE DEVELOPMENT
1. CLEAR THE AREA OF ALL DEBRIS THAT MIGHT HINDER EXCAVATION AND DISPOSAL OF SPOIL. WIRE FENCING
2. INSTALL THE CLASS B OR CLASS I RIPRAP IN A SEMI-CIRCLE AROUND THE PIPE INLET.THE STONE 8' MAX FILTER FABRIC PO BOX 6460
ro SHOULD BE BUILT UP HIGH ON EACH END WHERE IT TIES INTO THE EMBANKMENT. THE MINIMUM WIRE FENCING #57 STONE 2' MIN THOMASVILLE, GA 31758
CREST WIDTH OF THE RIPRAP SHOULD BE 3 FEET,WITH A MINIMUM BOTTOM WIDTH OF 11 FEET.THE F
MINIMUM HEIGHT SHOULD BE 2 FEET, BUT ALSO 1 FOOT LOWER THAN THE SHOULDER OF THE
RIPRAP EMBANKMENT OR DIVERSION. WOVEN FILTER FABRIC 30" MIN
HEADWALL 3. A 1 FOOT THICK LAYER OF NCDOT#5 OR#57 STONE SHOULD BE PLACED ON THE OUTSIDE SLOPE OF - w COMPACTED SOIL
NATURAL GROUND THE RIPRAP. v
4. THE SEDIMENT STORAGE AREA SHOULD BE EXCAVATED AROUND THE OUTSIDE OF THE STONE N IJ-i IaiFLOW!�\��' +;`a';>`;•; ;; ;.;;
HORSESHOE 18 INCHES BELOW NATURAL GRADE. 18 MIN
5. WHEN THE CONTRIBUTING DRAINAGE AREA HAS BEEN STABILIZED, FILL DEPRESSION AND - ----- 8 MIN - `- `
ESTABLISH FINAL GRADING ELEVATIONS,COMPACT AREA PROPERLY,AND STABILIZE WITH GROUND i - -i' "'II i III-III i II-III-n II-III-n I I.. I -"-'- - -=I I I-III-111,;,1JJ;,)11=lll=lll=)ll illl=)� )�lll=�l '
DATE' REVISIONS:
_ __ �- -ITi _ =1Ti= __ off-- off--�I J11- 11l 111 11l 111___-_-_-111 111 111 111,�ll I
COVER. N _ _ _ - _ _ - III- _ _ _ _ III-III-I" - 05/08/2023 NCDEQ STORMWATER COMMENTS
PIPE INVERT,36" � � �I'i-111- I I lll��I� � � �I �'
CLASS B RIPRAP MAINTENANCE NOTES: III-II III-II II-III II-III-II III-II II �_ III-III- 6 TYPICAL III,;,lll=„lll;
PIPE MAX 1. INSPECT ROCK PIPE INLET PROTECTION AT LEAST WEEKLY AND AFTER SIGNIFICANT (1/2 INCH OR IT I _
FLOW FLOW GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. REMOVE SEDIMENT AND RESTORE THE I "�' -III-III - '�W�I-IIIII I III
l-
SEDIMENT STORAGE AREA TO ITS ORIGINAL DIMENSIONS WHEN THE SEDIMENT HAS ACUMULATED JJ1JJ11I Ill
DESITO GNE-HALF THE NATED NATED DISPOSAL IGN DEPTH OF TH TRAP. PLACE THE SEDIMENT THAT IS AREAAND REPLACE THE CONTAMINATED PART OF THE GRAVELOVED IN FACING THE GENERAL NOTES: 4 MIN ' 11I 1I I " GENERAL NOTES:
2. CHECK THE STRUCTURE FOR DAMAGE. ANY RIPRAP DISPLACED FROM THE STONE HORSESHOE 1. USE A SYNTHETIC FILTER FABRIC OF AT LEAST 95% BY WEIGHT OF POLYOLEFINS OR 9. WHEN A WIRE MESH SUPPORT FENCE IS USED, SPACE POSTS A MAXIMUM OF 8 FEET APART. 1. REMOVE AND PROPERLY DISPOSE OF ALL TREES, BRUSH, STUMPS AND
MUST BE REPLACED. POLYESTER,WHICH IS CERTIFIED BY THE MANUFACTURER OR SUPPLIER AS CONFORMING TO SUPPORT POSTS SHOULD BE DRIVEN SECURELY INTO THE GROUND A MINIMUM OF 24 INCHES. OTHER OBJECTIONABLE MATERIAL.
3. AFTER ALL THE SEDIMENT-PRODUCING AREAS HAVE BEEN PERMANENTLY STABILIZED REMOVE THE THE REQUIREMENTS IN ASTM D 6461,WHICH IS SHOWN IN PART IN TABLE 6.62b. 10. EXTRA STRENGTH FILTER FABRIC WITH 6 FEET POST SPACING DOES NOT REQUIRE WIRE MESH 2. ENSURE THAT THE MINIMUM CONSTRUCTED CROSS SECTION MEETS ALL
STRUCTURE AND ALL THE UNSTABLE SEDIMENT. SMOOTH THE AREA TO BLEND WITH THE FILTER BERM NC ADJOINING AREAS AND PROVIDE PERMANENT GROUND COVER. 2. SYNTHETIC FILTER FABRIC SHOULD CONTAIN ULTRAVIOLET RAY INHIBITORS AND STABILIZERS SUPPORT FENCE. SECURELY FASTEN THE FILTER FABRIC DIRECTLY TO POSTS. WIRE OR DESIGN REQUIREMENTS.
DOT#5OR#57 TO PROVIDE A MINIMUM OF 6 MONTHS OF EXPECTED USABLE CONSTRUCTION LIFE AT A PLASTIC ZIP TIES SHOULD HAVE MINIMUM 50 POUND TENSILE STRENGTH. 3. ENSURE THAT THE TOP OF THE DIKE IS NOT LOWER AT ANY POINT THAN THE SHEET SIZE:
WASHED STONE NATURAL GROUND TEMPERATURE RANGE OF 0 TO 120•F. 11. EXCAVATE A TRENCH APPROXIMATELY 4 INCHES WIDE AND 8 INCHES DEEP ALONG THE DESIGN ELEVATION PLUS THE SPECIFIED SETTLEMENT. 24"x36"
s� 3. ENSURE THAT POSTS FOR SEDIMENT FENCES ARE 1.25 LB/LINEAR FT MINIMUM STEEL WITH A PROPOSED LINE OF POSTS AND UPSLOPE FROM THE BARRIER.
RIPRAP HEADWALL, V MIN MINIMUM LENGTH OF 5 FEET. MAKE SURE THAT STEEL POSTS HAVE PROJECTIONS TO 12. PLACE 12 INCHES OF THE FABRIC ALONG THE BOTTOM AND SIDE OF THE TRENCH. 4. PROVIDE SUFFICIENT ROOM AROUND DIVERSION TO PERMIT MACHINE PROJECT NUMBER:
HEIGHT FROM ROAD SHOULDER FACILITATE FASTENING THE FABRIC. 13. BACKFILL THE TRENCH WITH SOIL PLACED OVER THE FILTER FABRIC AND COMPACT. REGARDING AND CLEANOUT. 3161032022
1' 3' 4. FOR REINFORCEMENT OF STANDARD STRENGTH FILTER FABRIC, USE WIRE FENCE WITH A THOROUGH COMPACTION OF THE BACKFILL IS CRITICAL TO SILT FENCE PERFORMANCE. 5. VEGETATE THE RIDGE IMMEDIATELY AFTER CONSTRUCTION, UNLESS IT WILL
MINIMUM 14 GAUGE AND A MAXIMUM MESH SPACING OF 6 INCHES. 14. DO NOT ATTACH FILTER FABRIC TO EXISTING TREES. REMAIN IN PLACE LESS THAN 30 WORKING DAYS. DRAWN BY:
5. CONSTRUCT THE SEDIMENT BARRIER OF STANDARD STRENGTH OR EXTRA STRENGTH J.EDWARDS
MAINTENANCE NOTES: MAINTENANCE NOTES:
SYNTHETIC FILTER FABRICS. APPROVED BY:
FLOW 1. INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY
6. ENSURE THAT THE HEIGHT OF THE SEDIMENT FENCE DOES NOT EXCEED 24 INCHES ABOVE 1. INSPECT SEDIMENT FENCE AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY RAINFALL. IMMEDIATELY REMOVE SEDIMENT FROM THE LOW AREA AND J.CHURCH
2' THE GROUND SURFACE. (HIGHER FENCES MAY IMPOUND VOLUMES OF WATER SUFFICIENT TO REQUIRED REPAIRS IMMEDIATELY.
CAUSE FAILURE OF THE STRUCTURE.) 2. SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE, OR BECOME REPAIR THE DIVERSION RIDGE. CAREFULLY CHECK OUTLETS AND MAKE SCALE:
IPE INV RT 7. CONSTRUCT THE FILTER FABRIC FROM A CONTINUOUS ROLL CUT TO THE LENGTH OF THE TIMELY REPAIRS AS NEEDED. WHEN THE AREA PROTECTED IS PERMANENTLY
BARRIER TO AVOID JOINTS. WHEN JOINTS ARE NECESSARY, SECURELY FASTEN THE FILTER INEFFECTIVE,REPLACE IT PROMPTLY. STABILIZED, REMOVED THE RIDGE AND THE CHANNEL TO BLEND WITH THE NTS (H)
1.5 3 REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME
CLOTH ONLY AT A SUPPORT POST WITH 4 FEET MINIMUM OVERLAP TO THE NEXT POST. .
8. SUPPORT STANDARD STRENGTH FILTER FABRIC BY WIRE MESH FASTENED SECURELY TO THE FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE. TAKE CARE TO AVOID NATURAL GROUND LEVEL AND APPROPRIATELY STABILIZE IT. (�/)
UPSLOPE SIDE OF THE POSTS. EXTEND THE WIRE MESH SUPPORT TO THE BOTTOM OF THE UNDERMINING THE FENCE DURING CLEANOUT.
TRENCH. FASTEN THE WIRE REINFORCEMENT, THEN FABRIC ON THE UPSLOPE SIDE OF THE 4. REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA SHEET:
NC DOT#5 OR#57 FENCE POST. WIRE OR PLASTIC ZIP TIES SHOULD HAVE MINIMUM 50 POUND TENSILE TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN
CLASS B RIPRAP PROPERLY STABILIZED.
WASHED STONE STRENGTH.
C903
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