SW0000000_Capital Oaks Plan Test Bed C1.6_20130822

INSPECTION & MAINTENANCE
STEP 1) INSPECT ISOLATOR ROW FOR SEDIMENT 181A6
173.41' A. INSPECTION PORTS (IF PRESENT) 24"BOTTOM PIPE CONNECTION
A.1. REMOVE/OPEN LID ON NYLOPLAST INLINE DRAIN
24"TOP PIPE CONNECTION A.2. REMOVE AND CLEAN FLEXSTORM FILTER IF INSTALLED PROPOSED STRUCTURE W/ELEVATED
PROPOSED OUTLET CONTROL STRUCTURE A.3. USING A FLASHLIGHT AND STADIA ROD, MEASURE DEPTH OF SEDIMENT AND RECORD ON PROPOSED OUTLET CONTROL STRUCTURE BYPASS MANIFOLD
REFER TO DETAIL MAINTENANCE LOG (DESIGN BY ENGINEER/PROVIDED BY OTHERS)
24"BOTTOM PIPE CONNECTION PROPOSED STRUCTURE AA, LOWER A CAMERA INTO ISOLATOR ROW FOR VISUAL INSPECTION OF SEDIMENT LEVELS
W/ELEVATED BYPASS MANIFOLD (OPTIONAL) 24"X 24"ADS N-12 MANIFOLD 6"ADS N-12 DUAL WALL PERFORATED
A.5. IF SEDIMENT IS AT, OR ABOVE, 3" (80 mm) PROCEED TO STEP 2. IF NOT, PROCEED TO INV 23.05"ABOVE CHAMBER BASE HDPE UNDERDRAIN 24"TOP PIPE CONNECTION
STEP 3. (SIZE TBD BY ENGINEER/SEE TECH SHEET#7 FOR (SIZE TBD BY ENGINEER)
B. ALL ISOLATOR ROWS MANIFOLD SIZING GUIDANCE)
T-T-T, ,Ty , ""> B.i. REMOVE COVER FROM STRUCTURE AT UPSTREAM END OF ISOLATOR ROW - _ �„
( ` :� B.2. USING A FLASHLIGHT, INSPECT DOWN THE ISOLATOR ROW THROUGH OUTLET PIPE 4 ��
( � �', �• �`,;� r�1, ,,° PLACE MINIMUM ITT OF ADS GEOSYNTHETICS 315WTM § T _
1 P 6 i) MIRRORS ON POLES OR CAMERAS MAY BE USED TO AVOID A CONFINED SPACE ENTRY WOVEN GEOTEXTILE OVER BEDDING STONE AND I 8
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,. �,,,�,�,,•. , ....,:�,.:.a..A,,..�.�,.. ��a< ,,. , ,,,, ,;,. F . ,� n FOLLOW OSHA REGULATIONS FOR CONFINED SPACE ENTRY IF ENTERING MANHOLE � e
t �; �'� m= _�"� �� a�>' a� y�� �� � s�- - -fr& °s��' -� :� •� � � �~' a ) UNDERNEATH CHAMBER FEET FOR SCOUR PROTECTION AT 1
R 9
( T (� ;�, ( 6.3. IF SEDIMENT IS AT, OR ABOVE, 3" (80 mm) PROCEED TO STEP 2. IF NOT, PROCEED TO �: .=rMM Nam mm.
s ( B E � ,. « STEP 3. ALL CHAMBER INLET ROWS I
_ I
NV^ W p 6 - - � ry„ n s STEP 2) CLEAN OUT ISOLATOR ROW USING THE JENAC PROCESS PROPOSED STRUCTURE W/ELEVATED BYPASS MANIFOLD 1 29'11
a e� A. A FIXED CULVERT CLEANING NOZZLE WITH REAR FACING SPREAD OF 45 (1.1 m) OR MORE IS ( K
�.
- I ( ) - ( PREFERRED P P F A UNTIL BACKFLUSH WATER IS CLEAN
I ( ) s 1 B. A PLY MULTIPLE ASSES 0 JETV C
C. VACUUM STRUCTURE SUMP AS REQUIRED ,
:ry mIa ,. - -- a:.-:.a.. X;timY'",�`Pi.3u"•51Z-":m".'E:Y"d'b'ar, 'k' ^�i:.uT..a s,Y,',LLS""Y'.t;3",�w.'":`m,S§"u,",:rL"aN:i "'�Y:w34'�8';"p'C'a%tFd:Fv'.i :fy'°ry +,�nY6 .n:�F^...:kw.o:_ :• 'e'."',Pr'.A &4e.'x.aC'w�"-YSss.N�aiw v^s R.ss' x.
STEP 3) REPLACE ALL COVERS, GRATES, FILTERS, AND LIDS; RECORD OBSERVATIONS AND ACTIONS. . ��-
24"X 24"ADS N-12 MANIFOLD 24"CORED END CAP STEP 4) INSPECT AND CLEAN BASINS AND MANHOLES UPSTREAM OF THE STORMTECH SYSTEM. a
INV 2.26"ABOVE CHAMBER BASE 6"ADS N-12 DUAL WALL PERFORATED HDPE PART#MC450OREPE24B L
INSPECTION PORT(TYP)
(SIZE TBD BY ENGINEER/SEE TECH SHEET UNDERDRAIN TYP OF ALL MC-4500 24" NOTES - ...� PROPOSED STRUCTURE
#7 FOR MANIFOLD SIZING GUIDANCE)
24"X 24"ADS N-12 MANIFOLD BOTTOM CONNECTIONS 1 INSPECT EVERY 6 MONTHS DURING THE FIRST YEAR OF OPERATION. ADJUST THE INSPECTION INTERVAL BASED W/ELEVATED BYPASS MANIFOLD
INV 23.05"ABOVE CHAMBER BASE AND ISOLATOR ROWS ON PREVIOUS OBSERVATIONS OF SEDIMENT ACCUMULATION AND HIGH WATER ELEVATIONS.
(SIZE TBD BY ENGINEER/SEE TECH SHEET#7 FOR 64.10
MANIFOLD SIZING GUIDANCE) 2. CONDUCT JETTING AND VACTORING ANNUALLY OR WHEN INSPECTION SHOWS THAT MAINTENANCE IS NECESSARY.
24"CORED END CAP
PLACE MINIMUM 17.5'OF ADS GEOSYNTHETICS 315V TM WOVEN PART#MC450OREPE24B
GEOTEXTILE OVER BEDDING STONE AND UNDERNEATH CHAMBER IMPORTANT - NOTES FOR THE BIDDING AND INSTALLATION OF MC-4500 CHAMBER TYP OF ALL MC-4500 24"
FEET FOR SCOUR PROTECTION AT ALL CHAMBER INLET ROWS SYSTEM BOTTOM CONNECTIONS
1. STORMTECH MC-4500 CHAMBERS SHALL NOT BE INSTALLED UNTIL THE MANUFACTURER'S REPRESENTITIVE HAS COMPLETED A AND ISOLATOR ROWS
MANHOLE RIM MANHOLE RIM PRE-CONSTRUCTION MEETING WITH THE INSTALLERS. MANHOLE RIM MANHOLE RIM
STORMTECH MC-4500 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE "STORMTECH MC-3500/MC-4500
CONSTRUCTION GUIDE".
2. CHAMBERS ARE NOT TO BE BACKFILLED WITH A DOZER OR EXCAVATOR SITUATED OVER THE CHAMBERS. C MANHOLE RIM PROPOSED ELEVATIONS
STORMTECH RECOMMENDS 3 BACKFILL METHODS: AS
NECESSARY PROPOSED ELEVATIONS STONESHOOTER LOCATED OFF THE CHAMBER BED. � m NECESSARY MAXIMUM GRADE (TOP OF PAVEMENT/UNPAVED): 353.00
• BACKFILL AS ROWS ARE BUILT USING AN EXCAVATOR ON THE FOUNDATION STONE OR SUBGRADE.
WEIR CONTROL3 6MAXIMUM GRADE (TOP OF PAVEMENT/UNPAVED): 357.00 BACKFILL FROM OUTSIDE THE EXCAVATION USING A LONG BOOM HOE OR EXCAVATOR. c A MINIMUM GRADE (UNPAVED WITH TRAFFIC): 348.50
STRUCTURE MANHOLE RIM STEPS AS MINIMUM GRADE (UNPAVED WITH TRAFFIC): 352.50 4, THE FOUNDATION STONE SHALL BE LEVELED AND COMPACTED PRIOR TO PLACING CHAMBERS. � STEPS AS MINIMUM GRADE (UNPAVED NO TRAFFIC): 348.00
NECESSARY NECESSARY
B WEIR CONTROL MINIMUM GRADE (UNPAVED NO TRAFFIC): 352.00 5. JOINTS BETWEEN CHAMBERS SHALL BE PROPERLY SEATED PRIOR TO PLACING STONE. INSTALL (6) SCREWS (FASTENAL WEIR CONTROL MINIMUM GRADE (BASE OF FLEXIBLE PAVEMENT) 348.00
STRUCTURE MINIMUM GRADE (BASE OF FLEXIBLE PAVEMENT) 352.00 #12-11X1") AT EACH JOINT AS SHOWN IN THE "MC-3500/MC-4500 CONSTRUCTION GUIDE"; (3) SCREWS ON EACH SIDE OF STRUCTURE MINIMUM GRADE (TOP OF REINFORCED CONCRETE PAVEMENT): 348.00
24' MINIMUM GRADE TOP OF REINFORCED CONCRETE PAVEMENT): 352.00 THE JOINT. - 24" " TOP Of STONE: 347.00
( ) 6. MAINTAIN MINIMUM - 9" (230 mm) SPACING BETWEEN THE CHAMBER ROWS. - TOP OF CHAMBER: 346.00
TOP OF STONE: 351.00 7. INLET AND OUTLET MANIFOLDS MUST BE INSERTED A MINIMUM OF 12" (300 mm) INTO CHAMBER END CAPS. DETENTION
A q A 30"HOPE 'DETENTION`,,,, DETENTION TOP OF CHAMBER: 350.00 8. EMBEDMENT STONE SURROUNDING CHAMBERS MUST BE A CLEAN, CRUSHED, ANGULAR STONE 3/4-2" 20-50 mm MEETING DETENTION 24" TOP MANIFOLD INVERT/PIPE CONNECTION: 342.92
1 PIPE PIPE CONNECTON / ( ) 24" 30" HDPE ;, PIPE 1 PIPE CONNECTON
OUTLET PIPE - :1CONNECTONS' 24" TOP MANIFOLD INVERT/PIPE CONNECTION: 346.92 THE AASHTO M43 DESIGNATION OF #3 OR #4. 6" OUTLET PIPE -- CONNECTOw;' 24" BOTTOM MANIFOLD INVERT/PIPE CONNECTION: 341.19
24" BOTTOM MANIFOLD INVERT/PIPE CONNECTION: 345.19 9. STONE SHALL BE BROUGHT UP EVENLY AROUND CHAMBERS SO AS NOT TO DISTORT THE CHAMBER SHAPE. STONE DEPTHS WEIR CONTROL -'' - UNDERDRAIN 24" ISOLATOR ROW INVERT: 341.19
B 0 OLD ,
-- SHOULD NEVER DIFFER BY MORE THAN 12" (300 mm) BETWEEN ADJACENT CHAMBER ROWS. STRUCTURE `--
24 ISOLATOR ROW INVERT. 345.19 PIPE CONNECTON BOTTOM OF CHAMBER: 341 00
30" HOPE OUTLET % �� 10, MUST BE PLACED ON THE TOP CENTER OF THE CHAMBER TO ANCHOR THE CHAMBERS IN PLACE AND PRESERVE ROW UNDERDRAIN INVERT: 339.00
BOTTOM OF CHAMBER: 345.00 STONE MU g B
♦� 6" 1 : INV=342.0 " SPACING. -- wv=338.o BOTTOM OF STONE. 339.00
t 1 DETENTION UNDERDRAIN INVERT: 343.00 11, ADS RECOMMENDS THE USE OF "FLEXSTORM CATCH IT" INSERTS DURING CONSTRUCTION FOR ALL INLETS TO PROTECT THE
PIPE CONNECTON i DETENTION UNDERDRAIN
JUNDERDRAIN BOTTOM OF STONE: 343.00 SUBSURFACE STORMWATER MANAGEMENT SYSTEM FROM CONSTRUCTION SITE RUNOFF. 1 PIPE CONNECTON CONNECTION
WEIR CONTROL CONNECTION NOTES FOR CONSTRUCTION EQUIPMENT 7 -- (R CONTROL
STRUCTURE PROPOSED LAYOUT - SYSTEM #2
24' - STRUCTURE Q SECTION A-A
SECTION A-A - q'
MANHOLE RIM PROPOSED LAYOUT - SYSTEM #1 1, STORMTECH MC-4500 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE "STORMTECH MC-3500/MC-4500 MANHOLE RIM (133) STORMTECH MC-4500 CHAMBERS
B 7 111 STORMTECH MC-4500 CHAMBERS CONSTRUCTION GUIDE". (10) STORMTECH MC-4500 END CAPS
( ) 2. THE USE OF EQUIPMENT OVER MC-4500 CHAMBERS IS LIMITED: o A INSTALLED WITH 12" COVER STONE, 9" BASE STONE, 40% STONE VOID
MANHOLE RIM (10) STORMTECH MC-4500 END CAPS NO EQUIPMENT IS ALLOWED ON BARE CHAMBERS.
INSTALLED WITH 12" COVER STONE, 9" BASE STONE, 40% STONE VOID NO RUBBER TIRED LOADER, DUMP TRUCK, OR EXCAVATORS ARE ALLOWED UNTIL PROPER FILL DEPTHS ARE REACHED m Z INSTALLED SYSTEM VOLUME:24,546 CF(PERIMETER STONE INCLUDED)
z IN ACCORDANCE WITH THE "STORMTECH MC-350O/MC-4500 CONSTRUCTION GUIDE". 0o 0 1 AREA OF SYSTEM: 5,863 FTZ
INSTALLED SYSTEM VOLUME: 20,934 CF (PERIMETER STONE INCLUDED) • WEIGHT LIMITS FOR CONSRUCTION EQUIPMENT CAN BE FOUND IN THE "STORMTECH MC-3500/MC-4500 rzzi z MANHOLE RIM
AREA OF SYSTEM; 5,047 FT2 PERIMETER OF SYSTEM: 440 FT
z z Z CONSTRUCTION GUIDE". o _
Z 4' PERIMETER OF SYSTEM: 405 FT 3. FULL 36" (900 mm) OF STABILIZED COVER MATERIALS OVER THE CHAMBERS IS REQUIRED FOR DUMP TRUCK TRAVEL OR z 4'
z z WEIR CONTROL DUMPING. P 50-YEAR STORM ELEV=345.36 WEIR CONTROL
50-YEAR STORM ELEV=349.50 STRUCTURE USE OF A DOZER TO PUSH EMBEDMENT STONB BETWEEN THE ROWS OF CHAMBERS MAY CAUSE DAMAGE TO CHAMBERS AND STRUCTURE
PLAN MEW TOP OF WEIR ELEV=348.00 IS NOT AN ACCEPTABLE BACKFILL METHOD. ANY CHAMBERS DAMAGED BY USING THE "DUMP AND PUSH" METHOD ARE NOT TOP OF WEIR ELEv=344.00
10-YEAR STORM ELEV=347.66 10-YEAR STORM ELEV=343.96
COVERED UNDER THE STORMTECH STANDARD WARRANTY.
2-YEAR STORM ELEV=345.88 000 .. - CONTACT STORMTECH AT 1-888-892-2694 WITH ANY QUESTIONS ON INSTALLATION REQUIREMENTS OR WEIGHT LIMITS FOR 2-YEAR STORM ELEV=342.57 0000 ..
(4) 5.75" ORIFICE OPENINGS IN CONSTRUCTION EQUIPMENT.
WEIR CONTROL STRUCTURE (5) 4.5" ORIFICE OPENINGS IN
INV.WEIR
WEIR CONTROL STRUCTURE
INV.=342.60
DETENTION#1 CONTROL STRUCTURE (1) 3.25"ORIFICE OPENING IN WEIR DETENTION#2 CONTROL STRUCTURE (I) 2.5" ORIFICE OPENING IN WEIR
NOT TO SCALE SECTION B-B CONTROL STRUCTURE
INV.=343.0 NOT TO SCALE SECTION B-B CONTROL STRUCTURE
INV.=339.0
OUTLET CONTROL STRUCTURE MANHOLE WITH INLET PIPE PRIVATE
- --- _..
REFER TO DETAIL REFER TO GRADING PLAN DRAINAGE
MANHOLE WITH INLET PIPE MANHOLE WITH INLET PIPE
�-`--- � / '�� i �- :_ , f �. .'/.. / �_.- ,� � •''• --���.`�i'�' � .,� ,, `<, REFER TO GRADING PLAN GRADING PLAN
,. NOTES � b 4
I0? / f / / O DUE TO THE ADAPTATION OF THIS CHAMBER SYSTEM TO SPECIFIC y ~v r
10
/ �� I SITE AND DESIGN CONSTRAINTS, IT MAY BE NECESSARY TO CUT
!� - i AND COUPLE ADDITIONAL PIPE TO STANDARD MANIFOLD
r
�41 r ✓ r COMPONENTS IN THE FIELD. ,i _ _ ♦3 \ ;`
t c� / i / .� - � � • THE SITE DESIGN ENGINEER MUST REVIEW ELEVATIONS AND IF _ ,�.� � ... � � \ ♦
I (' / // / ❑ ❑ / -- y / NECESSARY ADJUST GRADING TO ENSURE THE CHAMBER COVER �' 336 \��� ♦ \ \\
l / f / ❑ ❑ ❑ ' r �jGO� REQUIREMENTS ARE MET.
357 / / ❑ r PRVATE. o . \ Y
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DETENTION SYSTEM DETAILS SHOWN FOR GRAPHICAL ♦
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PURPOSES ONLY. CONTRACTOR SHALL SUBMIT ENGINEER � ♦♦
SEALED DETAIL DRAWINGS FOR THE CONSTRUCTION OF THE
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DETENTION SYSTEMS. NEITHER TRIANGLE SITE DESIGN, PLLC I,♦ µ, _
J NOR ITS EMPLOYEES ASSUME ANY LIABILITY FOR INJURIES I ♦♦ �� o
OR DAMAGES ARISING OUT OF OR IN ANYWAY CONNECTED
WITH THE DESIGN, CONSTRUCTION, OR USE OF THE
STRUCTURES DESCRIBED ON THESE PLANS. NEITHER
TRIANGLE SITE DESIGN, PLLC NOR ITS EMPLOYEES IS ` - ��\ '' ✓ Z
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RESPONSIBLE FOR THE DESIGN OR CAPABILITY OF THE
STRUCTURES.
,
OUTLET CONTROL STRUCTURE
`�,` / / f' REFER TO DETAIL
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MANHOLE WITH INLET PIPE
DETENTION SYSTEM 1 LAYOUT REFER TO GRADING PLAN MANHOLE WITH INLET PIPE MANAGEMENT DETENTION SYSTEM 2 LAYOUT
REFER TO GRADING PLAN EASEMENT
REFER TO SHEET C1.5 FOR ADDITIONAL DETENTION SYSTEM DETAILS
STORMWATER MANAGEMENT SUMMARY PROJECT NAME: OWNER/DEVELOPER: REVISIONS: ENGINEER: SEAL: LAYOUT COORD: MEL TITLE: STORMWATER
DETENTION SYSTEM#1: MANAGEMENT
PRE-DEVELOPED POST-DEVELOPED POST DEVELOPED THROUGH DETENTION ���•�•���� PLANNING MGR. MEL
DRAINAGE AREA: 4.45 AC 4.45 AC
CAPITAL 0"AKS RETIREMENT CAPITAL OAKS RETIREMENT COMMUNITY, LLC 7/3/13 REVISED PER CITY OF RALEIGH REVIEW TRIANGLE ,'4�� C AROLr'; DETAILS
CURVE NUMBER: 50 73.6 ' '"""'' DRAWING BY: MEL
2-YEAR STORM EVENT: 0.483 CFS 9.552 CFS 0,450 CFS ATTN. PAUL RITCHIE AIA 7125113 REVISED PER CLIENT REVIEW D SITE DESIGN '�o:,oti E S s/0 ;
10-YEAR STORM EVENT: 4.932 CFS 19.02 CFS 4.812 CFS COMMUNITY 8040 EIGER DRIVE - ,Q� 9�; SHEET NUMBER:
50-YEAR STORM EVENT: 12.68 CFS 30.80 CFS 25.85 CFS SEAL
LINCOLN, NE 68516 8122113 REVISED PER CITY REVIEW OFF-SITE 24434 This document, together with the concepts and
PHONE: [phone] ROADWAY REVISIONS & STORMWATER TRIANGLE SITE DESIGN PLLC ; �•' F 6•Z1'D�'.� : designs presented herein, as an instrument of
DETENTION SYSTEM#2: 6498 RAY ROAD FAX: [phone] DETENTION SYSTEM ;1�*-.4'G 1 NE�.�' �`;': services, is intended only for the specificC-N 1PRE-DEVELOPED POST-DEVELOPED POST DEVELOPED THROUGH DETENTION ( ) 4006 BARRETT DR, STE 203 'ice? �,''•••''�� �� purpose and client for which It WOS prepared. °
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DRAINAGE AREA: 3,0 AC 3.0 AC ( [e-mail] RALEIGH, NC 27609 '� W E• I.
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CURVE NUMBER: 50 86.6 RALEIGH, NC '����•�•����• Reuse Of and improper reliance On this DATE:
2-YEAR STORM EVENT: 0.325 CFS 11.05 CFS 0.301 CFS j�T Tj COUNTY
m�j (919) 553-6570 document without written authorization and
10-YEAR STORM EVENT: 3.325 CFS 18.24 CFS 3.211 CFS 11 AKE C 0 V N 1 1 NC LICENSE P-0619 adaptation b y Triangle 9n, PLLC shall be
50-YEAR STORM EVENT: 8.547 CFS 26.44 CFS 20.76 CFS ation rian le Site Design, J�NE 5 2013
S P-2'7-2 013 [e-mail] without liability to Triangle Site Design, PLLC.