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PREFERRED SECU
SIGN LOCATION
SITE DATA:
OWNER:
I PLAN PREPARED BY:
TOTAL ACRES:
TOTAL IMPERVIOUS AREA
STATE EMPLOYEES' CREDIT UNION
PO BOX 27665
RALEIGH, NC 27661
919-839-50DO
O'BRffATKIN5 ASSOCIATES, PA
PO 12037
RTP, NC 27709
919-941-9000
FAX [phone]
166,571 SF / 3.82 AC
1.44 AC
PARCEL REFERENCES:
PIN $752--72-6066
ZONING
0-1-C (OFFICE-INS1.11MM-CONDMONAL U
USE
3.23 (BANKS W/ DRIVE-THRU WINDOWS)
TOTAL. BLDG. SO. FT.
6,658 SF
HIGHT OF BLDG.
34'-O"
PARKING (REQUIRED):
1 SPACE PER 200 SF OF GROSS FLOOR AREA
0 6,658 SF = 33 SPACES
PARKING (PROVIDED):
62 SPACES (3 HANDICAP)
NCDOT
ACCESSIBLE
RAMP '
1
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SITE NOTES
I. ALL DIMENSIONS TAKEN FROM FACE OF BUILDING OR FACE OF CURB UNLESS OTHERWISE NOTED.
2. ALL SITE IMPROVEMENTS TO COMPLY WITH THE TOWN OF SILER CITY DESIGN GUIDELINES.
3• ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH ALL TOWN OF SILER CITY STANDARDS.
4- REFER TO SHEETS L0101 AND L1201 FOR COORDINATION OF LIMITS OF DISTURBANCE AND CLEARING
LIMITS.
S. COORDINATE ALL CURB AND. STREET GRADES IN INTERSECTION WITH TOWN INSPECTOR.
j
6. ALL ROAD IMPROVEMENTS ARE TO BE COORDINATED WITH NCDOT REQUIREMENTS.
7. ALL AREA WITHIN SIGHT TRIANGLES SHALL BE KEPT CLEAR OF ALL POTF.NTLAL OBSTRUCTION
INCLUDING BITE NOT LIMTIED TO BUILDINGS, SIGNS, ECT. PLAN' ONLY LOW GROWING SHRUBS(3V
MAX.) ABOVE CURB AND TREES WITH HEIGHT OF 8' IN THIS SITE TRIANGLE AREA PARKING SPACES
MUST BE CONSTRUCTED TO NOT OBSTRUCT VIEW BY EITHER PROHIBITING PARKING WITHIN THE SITE
TRIANGLE OR BY REDUCING FINISHED ELEVATION OF PARKING LOT SO THAT NO MORE THAN 30' OF
1
A PARKED VEHICLE EXTENDS ABOVE FINISHED ELEVATION OF A DRIVEWAY.
8• IN ORDER TO ENSURE PROPER DRAINAGE, KEEP A MINIMUM OF 1.0% SLOPE ON THE CURB.
9• ALL ACCESSIBLE RAMPS AND SIDEWALKS TO BE INSPECTED BY TOWN INSPECTOR AFTER FORMING
AND PRIOR TO POURING.
10• SITE TRIANGLES SHOWN ARE THE MINIMUM REQUIRED
T 70'
SIGHT ii
SIG
11. SUBSURFACE DRAINAGE FACILITIES MAY BE REQUIRED IN THE STREET RIGHT-OF-WAY IF DEEMED
TRIANGLE j
NECESSARY BY THE INSPECTOR.
12. NON-STANDARD ITEMS (IE: PAVERS, IRRIGATION SYSTEMS, ETC,) IN THE Raft -OF -WAY REQUIRE A
RIGHT-OF-WAY ENCROACHMENT AGREEMENT WITH THE NORTH CAROUNA DEPARTMENT OF
TRANSPORTATION BEFORE INSTALLATION
jI�L5101SIGN TYPE 'A'
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NOTES PER THE TOWN OF SILER CITY
1. ZONING PERMIT MUST BE OBTAINED PRIOR TO ANY CONSTRUCTION.
2. SIGN PERMIT MUST BE OBTAINED PRIOR TO INSTALLING ANY SIGNS.
RADIUS CURVE LEGEND
A = 3.0
B = 5.0
C = 10.0
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DUVA[� LEA REIVES � R ES 0 � � - -- _ DB 411, PG 749
� \\ !` D CHATHAM LLC. N/F
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GRADING PLAN
-
1 "=20'-0"
0 20' 400
N
L1201-SIL.dwg
North Carolina
One -Call Center, Inc.
1-800-632-4949
INV` IN=4
INV our
1
GRADING AND DRAINAGE NOTES.
1, WITHIN THE SIGHT TRIANGLES SHOWN ON THIS PLAN, NO OBSTRUCTION BETWEEN 2
FEET AND 8 FEET IN HEIGHT ABOVE THE CURB LINE ELEVATION SHALL BE LOCATED IN
WHOLE OR PART. OBSTRUCTIONS INCLUDE BUT ARE NOT LIMITED TO ANY BERM,
FOLIAGF, FENCE, WALL, SIGN, OR OTHER OBJECT.
2. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH CHATHAM COUNTY OR TOWN
STANDARDS.
3. REMOVE PHASE I DIVERSION DITCH ONLY AFTER CURB AND GUTTER AND SIGNIFICANT
PORTIONS OF THE PERMANENT STORM DRAINAGE SYSTEMS HAVE BEEN INSTALLED.
4. INWTE EROSION CONTROL SEQUENCE BEFORE BEGINNING CLEARING AND GRADING
OPERATIONS.
5. CLEAR AREAS TO BE GRADED OF ALL VEGETATION. PROTECT VEGETATION BEYOND
GRADING LIMITS.
6. STRIP TOPSOIL TO FULL DEPTH IN AREAS TO BE GRADED.
7. COMPACT ALL FILL AREAS TO 957 OF MAXIMUM DENSITY, OR PER GEOTECHNICAL
RECOMMENDATIONS.
8. ALL AREAS ARE TO BE GRADED SO THAT NO AREAS OF STANDING WATER OCCUR.
9. PROPOSED SPOT ELEVATIONS ARE SHOWN AT FINISHED GRADE (GUTTER FLOW LINE
ELEVATION, WHERE APPLICABLE).
10. OPERATOR SHALL FIELD VERIFY EXISTING TOPOGRAPHY IN RELATION TO THE
PROPOSED GRADES TO ENSURE DRAINAGE IN THE DIRECTIONS INDICATED ON THE
PLAN.
11. LANDINGS OUTSIDE ALL DOORS SHALL. BE SIZED PER THE NCHC, BE AT THE SAME
ELEVATION AS THE FFE, AND SHALL HAVE A MAX 2% SLOPE IN ANY DIRECTION
INCLUDING IN THE DIAGONAL
12, THE SLOPES IN THE HANDICAP PARKING SPACE/ACCESS AISLE AREA SHALL NOT
EXCEED 2% IN ANY DIRECTION INCLUDING THE DIAGONAL
13. THERE SHALL BE NO DESIGNATED PEDESTRIAN ROUTES/SIDEWALKS WITHIN THE SITE,
EXCEPT WHERE LABELED AS A RAMP WITH RAILS, WHICH EXCEED 5% SLOPE IN THE
DIRECTION OF TRAVEL AND 2% CROSS SLOPE.
14, THERE SHALL BE LEVEL TURNING AREAS (MAX. 2% SLOPE IN ANY DIRECTION
INCLUDING THE DIAGONAL) ON ALL SIDEWALKS WHERE AN INTERSECTING SIDEWALK
CONNECTS WITH IN.
DRAWING LEGEND
NEW
DESCRIPTION
®
CATCH BASIN
®
NYLOPLAST INLET
Fm-1
DROP INLET
Q
STORM DRAINAGE MANHOLE
24" RCP
STORM DRAINAGE PIPE
No
FLARED END SECTION
Yc---X X-
FENCE
TREELINE
CONTOUR
107.85E
SPOT ELEVATION
�• - ---
PROPERTY LINE
SILT FENCE
TC 107.40
TOP OF CURB ELEVATION
Be 106.90
BOTTOM OF CURB ELEVA11ON
TR 107.40
TOP OF RAMP ELEVATION
SR 106.90
BOTTOM OF RAMP ELEVATION
NOTES PER THE TOWN OF SILER CITY
1. ZONING PERMIT MUST BE OBTAINED PRIOR TO ANY CONSTRUCTION.
2. SIGN PERMIT MUST BE OBTAINED PRIOR TO INSTALLING ANY SIGNS.
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File Name
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WETLAND PLANTING PLAN
20'
N
L1302—SiLdwg
4 1 3 2
North Carolina
One -Call Center, I nc.
1-800-632-4949
PLANT SCHEDULE
TREES CODE QTY BOTANICt1L NAME 4-COMMON NAME CAL
CA 3 Carpinus caroliniana / American Hornbeam 2.5„
• MV 3 Magnolia virginiana / Sweet Bay 2"
SHRUBS CODE (,TY SOTAN�AL NAME COMMON NAME HGHT
AR 35 Aronla arbutifolia / Red Chokeberry 32" HGT & SPD'
CO 26 Cephalanthus occidentalis / Buttonbush 32" HGT & SPD
GROUND COVERS CODE QTTY, BOTANICAL NAME / COMMON NAME CON,
AC 435 Acorus calamus / Sweet Flag 4"pot@ 24" oc
Al 50 Asclepias incarnata / Swamp Milkweed 4"pot® 24" oc
ED 79 Eupatorium dubium `Little Joe` / Joe—Pye Weed 4"potO 24" oc
IRV 187 Iris virginica / Blue Flag Iris 4"pot® 18" oc
SR 42 Solidago rugosa `Fireworks' / Wrinkleleaf Goldenrod 4"pot@ 24" oc
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PLANTING NOTES:
1. ALL NEW PLANT AREAS OF SITE ARE TO BE IRRIGATED AND
SYSTEM DESIGN SUBMITTED TO THE ARCHITECT FOR REVIEW PRIOR
TO INSTALLATION.
Z LANDSCAPE CONTRACTOR TO VERIFY LOCA77ON OF
UNDERGROUND UTIUTIES BEFORE PLANTING.
J. PLANT SHRUBS 3 FEET FROM CURB IN PARKING AREAS.
4.. PLANT MATERIAL WILL BE REJECTED UNLESS ANY AND ALL
PLANT MATERIAL ARE OF SIZE, SPREAD, CALIPER, GENUS, SPECIES
AND VARIETY SHOWN. ANY MATERIAL W TH EVIDENCE OF DISEASE
OR PEST INFESTA77ONS WILL BE REJECTED. ALL REWORK WILL BE
AT THE EXPENSE OF 774E CONTRACTOR SUBS7711JPONS WILL BE
PERMITTED ONLY UPON SUBMISSION OF WRITTEN PROOF TO THE
ARCHITECT THAT A SPECIF7ED PLANT IS NOT OBTAINABLE.
5. ALL DISTURBED AREAS ARE TO BE STABILIZED WITH LAWN,
PLANTINGS, OR MULCH.
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STORMWATER WErLAND CONSTRUCTION SPECIFICATIONS ' - - •� 10
GENERAL NOTES CONSTRUCTION SEQUENCE
1. ANY DISCREPANCIES IN THE PLANS AND NOTES SHALL BE BROUGHT TO THE ENGINEER'S ATTENTION 1. THE OWNER SHALL OBTAIN A LAND DISTURBING (GRADING) PERMIT AND AN "APPROVAL TO \ \
IMMEDIATELY. CONSTRUCT" FROM THE CITY OF SILER CITY AND ALL OTHER APPLICABLE AGENCIES PRIOR TO
CONSTRUCTION.
2. PRIOR TO CONSTRUCTION, THE ON -SITE GEOTECHNICAL ENGINEER SHALL VERIFY THE SUITABILITY
OF THE PROPOSED BORROW AREA/FiLL FOR USE IN THE DAM EMBANKMENT/KEY TRENCH. 2. INSTALL ALL SEDIMENT AND EROSION CONTROL MEASURES PER THE APPROVED SEDIMENT AND
EROSION CONTROL PLAN. THE CONTRACTOR SHALL MAINTAIN ALL APPROVED SEDIMENT AND
3. THE ON -SITE GEOTECHNICAL ENGINEER SHALL INSPECT THE KEY TRENCH EXCAVATION PRIOR TO EROSION CONTROL MEASURES THROUGHOUT THE ENTIRE PROJECT, AS REQUIRED. THE CONTRACTOR
PLACEMENT OF ANY BACKFILL WITHIN THE KEY TRENCH. IF THE CONTRACTOR CONSTRUCTS AND SHALL RECEIVE APPROVAL FROM THE EROSION CONTROL INSPECTOR, AS REQUIRED BY GOVERNING - \ \ \ �� ,C
COVERS UP THE KEY TRENCH PRIOR TO INSPECTION, THEN THE KEY TRENCH SHALL BE UNCOVERED AGENCIES, PRIOR TO ANY CLEARING.CD
AND TESTED AT THE CONTRACTOR'S EXPENSE.
3. CLEAR AND GRUB AREA WITHIN THE LIMITS OF THE PROPOSED DAM CONSTRUCTION. ALL TREES / / --- \ m
4. THE CONTRACTOR SHALL REFER TO THE LANDSCAPE; PLAN (SHEET L1302) FOR THE PERMANENT AND THEIR ENTIRE ROOT SYSTEMS MUST BE REMOVED FROM THE DAM FOOTPRINT AREA AND �-- \ \ \ \ \ \ t
PLANTING PLAN/SCHEDULE. PLEASE NOTE THAT NO TREES/SHRUBS OF ANY TYPE MAY BE PLANTED BACKFILLED WITH SUITABLE SOIL MATERIAL. THE BACKFILLED AREAS SHALL BE COMPACTED TO THE / / / \
D ON THEPROPOSED PROPOSED DAM EMBANKMENT (FILL AREAS). SAME STANDARDS AS THE DAM EMBANKMENT.. THE REMAINING AREA OF THE EMBANKMENT SHALL \ "IN\ .
T BE STRIPPED TO A SUITABLE DEPTH AS DIRECTED BY THE ON -SITE GEOTECHNICAL ENGINEER. ANY ` \ \ \ $ cm
THE WETLAND WILL BE USED AS A SEDIMENT BASIN RESIDUAL SOILS TO BE LEFT IN PLACE MUST BE WELL SCARIFIED TO PROMOTE BONDING OF THE \ \ \ \ cca
5. DURING THE INITIAL STAGES OF CONSTRUCTION, NEW EMBANKMENT FILL NO EMBANKMENT MATERIAL SHALL BE PLACED FOR THE. DAM OR KEY /. \ = m m I
{ FOR ERASION CONTROL PURPOSES. THE CONTRACTOR SHALL FOLLOW THE GENERAL CONTRUCTION TRENCH UNTIL APPROVAL OF THE DAM SUBGRADE / TRENCH IS OBTAINED FROM THE ON -SITE / F • F/E. 69
v • , \
SEQUENCE BELOW GEOTECHNICAL ENGINEER. b
A. THE CONTRACTOR SHALL CONSTRUCT THE ENTIRE FACILITY (PERMANENT OUTLET STRUCTURE, 4. EXCAVATE FOR THE NEW KEY TRENCH ALONG THE CENTERLINE OF THE PROPOSED DAM \ \ •na As
DAM KEY TRENCH ETC. WITH THE EXCEPTION OF THE INTERIOR WETLAND GRADING. \ k� 80
) G THE EMBANKMENT. THE TRENCH SHALL EXTEND. A MINIMUM OF 5 F'I'. BELOW EXISTING GRADE OR 2 FT � /� n � 1W = 695.00 \ *� �jo�
INTERIOR GRADING' WILL BE CONSTRUCTED ONCE THE EROSION CONTROL PHASE IS COMPLETE.. \ ;} \ tirC e
BELOW THE 15"0 OUTLET BARREL AND SHALL HAVE A MINIMUM BOTTOM WIDTH OF 5 FEET. THE _ \ BW =
B. -THE TEMPORARY DRAWDOWN RISER SHALL BE CONNECTED TO THE PERMANENT 8 O DIP DRAIN KEY TRENCH SIDESLOPES SHALL BE A MINIMUM OF 1:1 (H: V). THE KEY TRENCH SHALL BE
PIPE. COMPACTED TO THE SAME SPECIFICA11ON LISTED IN ITEM 4 OF THE SECTION TITLED "BERM SOIL / / \ \. - CERT. +ao. '
AND COMPACTION SPECIFICATIONS." DEPENDING UPON ON -SITE SOIL CONDITIONS ENCOUNTERED / »� g .
` � 0, � TW = 694.50 6
.....
/ 99
C. ONCE THE UPSTREAM DRAINAGE AREA IS STABILIZED AND THE EROSION CONTROL- INSPECTOR DURING EXCAVATION, THE ON -SITE GEOTECHNICAL ENGINEER MAY VARY THE DEPTH AND {'� � W •- 681.00 U , 0
`o / APPROVES THE REMOVAL OF THE SEDIMENT BASIN, THE CONTRACTOR SHALL REMOVE THE DIMENSIONS OF THE KEY .TRENCH AS DEEMED NECESSARY. �
TEMPORARY DRAWDOWN RISER AND CLEAN -OUT THE BASIN. ALL SEDIMENT TRASH ETC. / 1 1 cnRd
_ 5. BEGIN PLACEMENT OF BACKFILL WITHIN THE KEY TRENCH. THE KEY TRENCH SHALL BE COMPACTED �. - 1 NORMAL WA R
SHALL BE DISPOSED OF PROPERLY {LE. PLACED IN A LANDFILL) AND NOT STOCKPILED IN � � - ••••• �� SURFACE `� �\
AN AREA WHERE WATER QUALITY COULD BE ADVERSELY AFFECT®_ TO THE SPECIFICATIONS LISTED ITEM 3 OF THE SECTION . TITLED "BERM AND SOIL COMPACTION / \ r --_ CE ELEVATION
SPECIFICATIONS." THE KEY TRENCH SHALL BE TESTED PER THE SPECIFICATIONS LISTED IN THAT ` \ ' (NWSE) - 680. 0
D. ONCE THE BASIN IS CLEANED OUT. AND ALL EROSION CONTROL DEVICE REMOVED, THE SECTION. / ` 69 rrrrrr�rE�off%.�i
CONTRACTOR SHALL CONSTRUCT THE INTERIOR GRADING SHOWN ON THIS SHEET. % / \ \ \. .�`o,��,.CARO
WETLAND LANDSCAPE PLAN A5� ��,�,
6. PRIOR TO INSTALLATION, SUBGRADE CONDITIONS ALONG THE SPILLWAY PIPES SHOULD BE /
E. ONCE THE GRADING IS COMPLETE, THE CONTRACTOR SHALL REQUEST AN ON -SITE INSPECTION EVALUATED BY THE ON -SITE GEOTECHNICAL ENGINEER TO ASSESS WHETHER SUITABLE BEARING A TO LANDSCAPE WETLAND / 1 j �'_��,•'E/p's�'y�'��
T AT THE SUBGRADE SHOULD SOFT 0 / \ PER WETLAND LAND CAP �
AND AN AS -BUILT SURVEY PRIOR TO INSTALLATION OF THE WETLAN PLANTS. IF THE CONDITIONS EXIST LEVEL R OTHERWISE UNSUITABLE CONDITIONS _ S �-PL�hI, � � Q�-
CONTRACTOR PLANTS THE PROPOSED VEGETATION PRIOR TO AN AS -BUILT SURVEY (AND BE ENCOUNTERED ALONG THE PIPE ALIGNMENTS, THESE MATERIALS SHOULD BE UNDERCUT AS / \
SUBSEQUENT APPROVAL), ANY CHANGES TO THE GRADING / RE -PLANTING OF PLANTS WILL DIRECTED BY THE GEOTECHNICAL ENGINEER. THE UNDERCUT MATERIALS SHALL BE REPLACED WITH \ 1 337$2 s
BE AT THE CONTRACTOR'S EXPENSE. ADEQUATELY COMPACTED STRUCTURAL FILL. LEAN CONCRETE OR FLOWABLE FILL AS DIRECTED BY ant S DIMENT
THE ON -SITE GEOTECHNICAL ENGINEER.
x-���_.f .:. � F REBAY / �.��L%'�NGI -:
F. ONCE THE ENGINEER HAS APPROVED THE AS_ BUILT GRADING' THE CONTRACTOR SHALL PLANT
7. BEGIN CONSTRUCTION OF THE NEW EMBANKMENT. FILL MATERIALS SHALL BE PLACED IN MAXIMUM
THEPROPOSED N P AP PLAN R FA 1 TY ` 1
P O ED WETLAND PLANTS SHOWN ON THE LANDSCAPE LA FOR THIS C LI „ r-r- \ �� ` L •
8 THICK LIFTS PRIOR TO COMPACTION UNLESS DIRECTED OTHERWISE BY THE ON -SITE
� � -- � � / � ♦ ri�����ir -
GEOTECHNICAL ENGINEER. FILL LIFTS SHALL BE CONTINUOUS OVER THE ENTIRE LENGTH OF FILL. IF � �= '''
5. SINCE EXISTING SOILS HAVE AN INFILTRATION RATE GREATER THAN 0.01 IN R, THE CONTRACTOR , r� '
IT IS NECESSARY THE EMBANKMENT FILL MATERIAL WILL BE OVERBUILT IN HORIZONTAL LIFTS AND r� �
SHALL AMEND THE SOIL WITH POWDERED BENTONITE PER SPECIFICATIONS ON SHEET C1303 CUT BACK TO FINAL GRADE IN ORDER TO ACHIEVE PROPER COMPACTION.j.� WETLAND CROSS SECTION A B5 \ \ 680.00
PROVIDED BY THE ONSITE GEOTECHNICAL ENGINEER. :, r c r ; - / - -' .� E
-� 8. INSTALL RISER BARREL ASSEMBLY, ALONG WITH THE EMERGENCY DRAIN SYSTEM. THE DRAIN TW = 695.00
6. THE GRADES SHOWN ON THIS PLAN ARE FINISHED GRADES. IF THE EXISTING SOIL LAYERS IN THE / {� / / `\ / = 681.00 ,� W �
_1 PROPOSED WETLAND (AFTER EXCAVATION) ARE NOT DETERMINED SUITABLE BY A LANDSCAPE VALVE LOCATED WITHIN THE RISER BOX SHALL BE KEPT OPEN UNTIL AN AS -BUILT CERTIFICATION J --- \ \ ■' z
693
HAS BEEN COMPLETED BY THE ENGINEER AND AN APPROVAL TO IMPOUND HAS BEEN ISSUED BY
_ PROFESSIONAL FOR THE FUTURE WETLAND PLANTINGS, THE CONTRACTOR SHALL OVEREXCAVAIE ALL APPLICABLE AGENCIES. / - \ \ nn? �"'"'74
THE INTERIOR PORTIONS OF THE WETLAND (FROM THE NORMAL WATER SURFACE' ELEVATION TO THE �`�t> U = BOTTOM) BY 1-FOOT. THE CONTRACTOR SHALL THEN BRING THE WETLAND AREA TO THE FINISHED 9, INSTALL SPILLWAY FILTER FROM THE DETAILS SHOWN ON SHEET C1303. + \ \
V- J GRADES USING THE TOPSOIL STOCKPILED ON -SITE (AMENDED AS DIRECTED BY THE ON -SITE � � \ 679.50 U
LANDSCAPE PROFESSIONAL). THE OVER EXCAVATION WILL ALLOW FOR BETTER PLANTING CONDITIONS " / ""' ` + \ \ T4
} 10. CONSTRUCT EMBANKMENT PER SPECIFICATIONS LISTED IN THE SECTION TITLED BERM AND SOIL \ \ \ ■
FOR THE PROPOSED WETLAND PLANTS. COMPACTION SPECIFICATIONS" AND REQUIREMENTS OF THE ON -SITE GEOTECHNICAL ENGINEER. ALL fi8O.00 \ \ +680 00
CHARACTERISTICS OF THE EMBANKMENT FILL MATERIAL SHALL MEET THE STANDARDS SET FORTH IN -�
7. ANY REMOVED TOPSOIL SHALL BE STOCKPILED FOR USE IN PLANTING (SEEDING) ON THE DAM „ " �-� -chi O B
EMBANKMENT ONCE FINAL GRADES AS SHOWN ON THE GRADING PLAN HAVE BEEN ESTABLISHED BERM AND SOIL COMPACTION TO ACHIEVE
, INCLUDING COMPACTION AND MOISTURE RISER UTLET STRUCT RE A5
C ) REQUIREMENTS. IF NECESSARY TO ACHIEVE PROPER COMPACTION, THE EMBANKMENT FILL MATERIAL �
WITH COMPACTED FILL. PRIOR TO TOPSOIL INSTALLATION, THE CONTRACTOR SHALL SCARIFY THE WILL BE OVERBUILT IN HORIZONTAL LIFTS AND CUT BACK TO PROPER FINAL GRADE. ANY HAND SHAPE = S ARE +\
THE TOP 2"-3" OF THE BERM SECTION TO PROMOTE BANDING OF THE TOPSOIL WITH THE COMPACTION ACTIVITIES AROUND SPILLWAY OR DRAIN STRUCTURES SHAM BE CONDUCTED IN INTER" L DIMENSIONS 4 x4' \ \ 6 ` 67 .50 V \ r
COMPACTED FILL THE TOPSOIL DEPTH SHALL RANGE FROM 3"-4" ON THE DAM EMBANKMENT. 4-INCH LOOSE LIFTS AND BE TO THE SAME COMPACTION AND MOISTURE REQUIREMENTS AS THE / 'TOP OF RISER = 2.9 \ \ O\ °
ENTIRE EMBANKMENT. ALL COMPACTION AND MOISTURE TESTING SHALL BE CARRIED OUT AS / 1.25" 0 SIPHOX INVERT (NWSE) 68 O ':': \ ` ' °•
8. THE CONTRACTOR SHALL FURNISH, INSTALL, OPERATE, AND MAINTAIN ANY PUMPING EQUIPMENT, DIRECTED BY THE ON -SITE GEOTECHNICAL ENGINEER AND AS LISTED IN THE SECTION TITLED "BERM 15"� -RING RCP INNS = C77.0 +6 00 \ C a
i ETC. NEEDED FOR REMOVAL OF WATER FROM VARIOUS PARTS OF THE STORMWATER WETLAND SITE. AND SOIL COMPACTION SPECIFICATIONS". �' -� 1 \ \ 1 O o W F
IT IS ANTICIPATED THAT PUMPING WILL BE NECESSARY IN THE EXCAVATION AREAS (I.E. -KEY Cfl �� / i`r7 ` \ \ 0
TRENCH). ` \ E C ). DURING PLACEMENT OF FILL WITHIN THE KEY TRENCH (OR OTHER AREAS AS NECESSARY), 11. UPON COMPLETION OF DAM PROMPTLY STABILIZE AND SEED DAM EMBANKMENT PER f i5"� 0-RIB RCP ®1.82% o
THE CONTRACTOR SHALL KEEP THE WATER LEVEL BELOW THE BOTTOM OF THE EXCAVATION. THE SEEDING SCHEDULE.
JOINTS WRAPPEDANUCIM2' \ w
MANNER IN WHICH THE WATER IS REMOVED SHALL BE SUCH THAT THE EXCAVATION BOTTOM AND ,�,� � +
SIDESLOPES ARE STAB 12. SCHEDULE A FINAL AS -BUILT INSPECTION AND AS -BUILT SURVEY WITH THE ENGINEER. AN f � GEOTEX� f HL�RIC) TW 692.50 J `+680.00 1 \ \ 68�00 \ Lu
_ \ AS -BUT T iN P TION SHOULD BE 5CH DU D A MINIM F YS BEFOR P MIT TO L SEC E LE UM 0 60 DA E A ER 0 6�
9. OPERATION AND MAINTENANCE AGREEMENT MUST BE RECORDED WITH THE CHATHAM COUNTY IMPOUND IS REQUIRED. ANY COMMENTS OR DEFICIENCIES IN THE DAM CONSTRUCTION MUST BE
REGISTER OF DEEDS PRIOR TO CERTIFCATE OF OCCUPANCY. CORRECTED TO THE SATISFACTION OF THE ENGINEER AND OWNER BEFORE CERTIFICATION SHALL BE r l ` \ \ \ \ +679.507.'w
GRANTED. UPON FINAL APPROVAL FROM THE CITY OF SILER CITY, CLOSE THE 8"0 BOTTOM DRAIN -� ' • ••• 1 \ Z
TW = 692.50 ao
1
-�� VALVE IN THE RISER BOX AND BEGIN IMPOUNDING WATER. NO WATER SHALL BE IMPOUNDED .____ _ ...:�.:::: _ _ 6-....... \ .. _ _. _ _ -_ _ _ _ W.. o .. -
BERM AND SOIL COMPACTION SPECIFICATIONS BEFORE AN APPRovAL To lMPol1ND IS iSSLIEO FROM THE CITY aF SILER CITY. 1 _ �, / BW = 6I�0 I \
g ..
...HE TW
- 1. ALL FILL MATERIALS TO BE USED FOR THE DAM EMBANKMENT SHALL BE TAKEN FROM BORROW -- L� \ \ +fa79.50 \ \ S 688.00
AREAS APPROVED BY THE ON -SITE GEOTECHNICAL ENGINEER. THE FILL MATERIAL SHALL BE FREE OUTLET STRUCTURE MATERIAL SPECIFICATIONS ` \ \
677.00
- FROM ROOTS STUMPS WOOD STONES GREATER THAN 6' AND FROZEN OR OTHER • E E OBJECTIONABLE
MATERIAL. THE FOLLOWING I WITHIN „ E OLL.................................................... ,.............................. �y�....r...::;::....,. M1CR0 OL 679.50
SOIL TYPES ARE SUITABLE FOR USE A5 FILL 1HN THE DAM "
.... 1. THE 15 � RCP OUTLET BARREL SHALL BE CLASS III RCP, MdDIFlED BELL AND SPIGOT, MEETING THE ............................ ..... ............................... ......... ...
- EMBANKMENT AND KEY TRENCH: ML AND CL. IF OTHER SOIL TYPES ARE DETERMINED TO BE REQUIREMENTS OF ASTM C76-LATEST. THE PIPE SHALL HAVE CONFINED 0-RING RUBBER GASKET
-=. SUITABLE BY THE ON -SITE GEOTECHNICAL ENGINEER, DOCUMENTATION SHALL BE RETAINED FOR JOINTS MEETING ASTM C-443-LATEST. THE PIPE JOINTS SHALL BE TYPE R-4. 678 \ \ \
FUTURE AS -BUILT SUBMITTALS.
_ 2. PRIOR TO USE AS FILL MATERIAL FOR THE DAM EMBANKMENT, THE CONTRACTOR SHALL PERFORM 2. THE STRUCTURAL DESIGN FOR THE 4'x4' (INTERNAL DIMENSIONS) RISER BOX WITH EXTENDED BASE -� f -� \ 79
STANDARD PROCTORS ON THE PROPOSED BORROW MATERIAL TO ENSURE THAT OPTIMUM MOISTURE
SHALL BE BY OTHERS. PRIOR TO ORDERING THE STRUCTURE, THE CONTRACTOR SHALL PROVIDE
t..� THE ENGINEER WITH SHOP DRAWINGS, SEALED BY AN P.E. REGISTERED IN NORTH CAROLINA, FOR
CONTENT AND COMPACTION CAN BE ACHIEVED /CONTROLLED DURING CONSTRUCTION. REVIEW. �' \ \ \+680.00\
STDATER INTEN CE \
3. FILL PLACEMENT FOR THE EMBANKMENT SHALL NOT EXCEED A MAXIMUM 8" LIFT (UNCOMPACTEf)). 3. THE RISER BOX OUTLET STRUCTURE SHALL BE PROVIDED WITH STEPS 16" ON CENTER. STEPS AID- SS EA MENT \ \ +68d�0 \
R '3 EACH LIFT SHALL BE CONTINUOUS FOR THE ENTIRE LENGTH OF EMBANKMENT. BEFORE PLACEMENT SHALL BE PROVIDED ON THE INNER WALL OF THE RISER BOX. STEPS SHALL BE IN ACCORDANCE S��pp \
=_ OF FILL FOR THE BERM SECTION, ALL UNSUITABLE MATERIAL SHALL BE REMOVED AND THE WITH NCDOT STD. 840.66. PLEASE REFER TO SHEET C1302 FOR LOCATION OF THE RISER STEPS.
SURFACE PROPERLY PREPARED FOR FILL PLACEMENT. FILL MATERIAL ADJACENT TO ALL SPILLWAY 6 1
AND DRAINAGE STRUCTURES SHALL BE PLACED IN 4--INCH (UNCOMPACTED) LIFTS AND 4. THE 8'Lx8'Wx16" THICK CONCRETE ANTI -FLOTATION BLOCK SHALL BE CAST -IN -PLACE. PRIOR TO
v HAND -COMPACTED TO THE SAME COMPACTION AND MOISTURE REQUIREMENTS AS THE ENTIRE
•'�'_ �_� EMBANKMENT. CONSTRUCTING THE CAST -IN -PLACE BASE, THE CONTRACTOR SHALL SUBMIT SHOP DRAWINGS TO I \ \ 6L
� r}
THE ENGINEER FOR REVIEW DENOTING THE FOLLOWING: R
` 4. ALL FILL SOILS USED IN THE EMBANKMENT / KEY TRENCH CONSTRUCTION SHALL BE COMPACTED A. STEEL REINFORCEMENT 6"13
TO AT LEAST 95% OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY (ASTM-698). THE FILL B. THE CONNECTION MECHANISM TO JOIN THE ANTI -FLOTATION BLOCK WITH THE RISER SECTION \ \684 \
SOILS SHALL BE COMPACTED AT A MOISTURE CONTENT WITHIN -1 TO •+-3 PERCENT OF ITS r 6 \ cn
OPTIMUM MOISTURE CONTENT. COMPACTION TESTS SHALL BE PERFORMED BY THE ON -SITE 5. ANY RISER BOX JOINT DESIGN SHALL CONFORM TO ASTM C--478. THE JOINTS SHALL BE SEALED \ � ���OF QAM � TW - 85.50 ` \
GEOTECHNICAL ENGINEER DURING CONSTf«JCiION TO VERIFY THAT THE PROPER COMPACTION LEVEL USING BUTYL RUBBER SEALANT CONFORMING TO ASTM--990. THE CONTRACTOR SHALL PARGE ��` - \ Fr 68 \ \ BW = 6 .00
HAS BEEN REACHED. THE FILL SHOULD BE COMPACTED USING A SHEEPSFOOT TYPE COMPACTOR. IN JOINTS ON BOTH THE INSIDE AND OUTSIDE WITH NON -SHRINK GROUT , � �' � ODE .00
ORDER TO PREVEF:T DAMAGE TO THE PIPE, NO COMPACTION EQUIPMENT SHALL CROSS ANY PIPE \ \ MAN.) \ \ �� \
UNTIL MINIMUM COVER IS ESTABLISHED ALONG THE PIPE. 6. THE CONTRACTOR SHALL ENSURE THE WEIGHT OF THE ENTIRE RISER STRUCTURE IS EQUAL TO OR \ \ \
\ \ \ \ \ \ \ \
5. FILL MATERIAL PLACED AT DENSITIES LOWER THAN SPECIFIED MINIMUM DENSITIES, AT MOISTURE GREATER THAN 19,358 LBS.
CONTENTS OUTSIDE THE SPECIFIED RANGES, OR OTHERWISE NOT CONFORMING TO SPECIFIED 7. PRIOR TO ORDERING, THE CONTRACTOR SHALL SUBMIT TRASH RACK SHOP DRAWINGS TO THE
REQUIREMENTS SHALL BE REMOVED AND REPLACED WITH ACCEPTABLE MATERIALS. ENGINEER FOR REVIEW. CONTRACTOR SHALL ENSURE THAT AN ACCESS HATCH IS PROVIDED WITHIN /
THE TRASH RACK (SEE DETAIL FOR LOCATION) THAT WILL ALLOW FOR FUTURE MAINTENANCE
6. ANY FILL LAYER THAT IS SMOOTH DRUM ROLLED TO REDUCE MOISTURE PENETRATION DURING A ACCESS. CONTRACTOR SHALL ALSO PROVIDE A CHAIN AND LOCK FOR SECURING THE ACCESS \ 684 \ \ \
STORM EVENT SHALL BE PROPERLY SCARIFIED PRIOR TO THE PLACEMENT OF THE NEXT SOIL LIFT. HATCH.
7. TESTING OF THE NEW FILL MATERIALS SHALL BE PERFORMED TO VERIFY THAT THE RECOMMENDED
LEVEL OF COMPACTION IS ACHIEVED DURING CONSTRUCTION. THEREFORE, ONE DENSITY TEST SHALL 8. ALL POURED CONCRETE SHALL BE MINIMUM 3000 PSI (28 DAY) UNLESS OTHERWISE NOTED.
B BE PERFORMED FOR EVERY 2,500 SQUARE FEET OF AREA FOR EVERY LIFT OF FILL. OR AS 9. GEOTEXTILE FABRIC FOR THE 15"0 OUTLET BARREL JOINTS SHALL BE MIRAFI 18ON OR ENGINEER b'Q q \ \ \
DIRECTED BY THE ON -SITE GEOTECHNICAL ENGINEER. APPROVED EQUAL (NON -WOVEN FABRIC) 15" OLT-BARREL UU f \ \
8. TESTING WILL BE REQUIRED ALONG THE 15"0 0-RING OUTLET BARREL AT A FREQUENCY OF ONE VELOCITY ISSIPATOR A5 6
r g0 \ W \
TEST PER 25 LF OF PIPE PER VERTICAL FOOT OF FILL OR AS DIRECTED BY THE ON -SIZE 10. STORMWATER WETLAND EMERGENCY DRAWDOWN IS VIA AN $ �i PLUG VALVE. THE VALVE SHALL BE 5'L x 7'W 9" THICK �
GEOTECHNICAL ENGINEER. A M&H STYLE 820 X-CENTRIC VALVE OR APPROVED EQUAL THIS VALVE IS IN ACCORDANCE WITH `� \ 1 679 a \
AWWA C-504 SEC. 5.5, AND SHAM 3u
BE OPERABLE FROM TOP OF OUTLET STRUCTURE VIA A D50 = " 6 1 \
9. TEST OF THE DEGREE (%) OF COMPACTION OF THE PLACED FILL IN THE DAM SHALL BE PERFORMED HANDWHEEL (SEE SHEET C1203). THE CONTRACTOR SHALL PROVIDE A REMOVEABLE VALVE WRENCH r \ _� _ 6 7g �-
AS A PART OF THE PERMITTEE'S NORMAL QUALITY CONTROL PROGRAM FOR THE CONSTRUCTION OF WITH A HANDWHEEL ON TOP FOR OPERATION OF THE 8"0 PLUG VALVE. A CHAIN AND LOCK SHALL
THE DAM. TESTS SHALL BE CONDUCTED CONCURRENT WITH THE INSTALLATION OF COMPACTED FILL ALSO BE PROVIDED FOR SECURING THE WRENCH TO THE TRASH RACK. J '�
AND THE CONTRACTOR SHALL COORDINATE THE CONSTRUCTION OF THE DAM SO THAT TESTING
CAN BE COMPLETED. SHOULD THE RESULTS OF THE TESTS INDICATE THAT THE SPECIFIED DEGREE STATEMENT OF RESPONSIBILITY
OF COMPACTION HAS NOT BEEN OBTAINED; THE: PORTIONS OF THE DAM REPRESENTED BY SUCH / \ C5 15" ENDWALL �� \
TESTS SHALL BE REWORKED OR REBUILT. ALL PORTIONS OF THE DAM SHALL ACHIEVE THE INV. OUT = 676.00
SPECIFIED MINIMUM DEGREE OF COMPACTION. 1. ALL REQUIRED MAINTENANCE AND INSPECTIONS OF THIS FACILITY SHALL BE THE RESPONSIBILITY OF /
FTHE
ACILITOPERTY OWNER, PER THE EXECUTED OPERATION AND MAINTENANCE AGREEMENT FOR THIS71
- \ PROPERTY LINE (TYP.)
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NOTES: a
1. THE TOP OF THE ENRICHED BENTONITE SOIL MIXTURE SHALL BE A
MINIMUM OF 1-FOOT BELOW THE LOWEST GRADE OR 1-FOOT BELOW
THE BOTTOM ELEVATION OF THE ROOT BALL FOR THE PROPOSED?
PLANTINGS, WHICHEVER IS GREATER.
A5 RISER OUTLET STRUCTURE C5 DAM CR SS SECTION �
Q
m
CL
SEE WETLAND LANDSCAPE PLAN 5
FOR WETLAND PLANTINGS � -0
J
MICROPOOL
03 vi
_ o
SEDIMENT FOREBAY C
I �
Its
NWSE = 680.00 NWSE = 680.00 f D Ia
I I
o
a
}RTO I 17�YEI .....
! B
m°
A MINIM M 0 1-FO ¢ o z
R T B LOW BALL
I I o EN1`ON E
E. P I I �k+ns Assoc
1U-FOOT
9 ! j I 111
f
ELOW FINISHED GRADE cMIr. Na •
B5 BENTOMAT ENRICHED SOIL LAYER 171
TO BE INSTALLED ALONG ENTIRE BOTTOM OF
�g WETLAND CROSS SECTION A -A' THE WETLAND. CONTRACTOR SHALL REFER TO
SPEC
GEOTECHNfCAL SPECIFICATIONS PROVIDED.
C 1302 NM
A CAROB ''•.,
TOP OF HANDWHEEL
a� SEAL
TO EXTEND
8"0 PLUG VALVE. THE VALVE SHALL 1-FOOT ABOVE - 33782 ;
BE A M&H STYLE 820 X-CENTRIC TRASH RACK -RISER TRASH RACK '�.F` Q�,•''
VALVE OR APPROVED EQUAL. THIS �'+ •'''t.C' 1 ••
VALVE SHALL BE IN ACCORDANCE WITH �' •• • �O',
AWWA C-504 SEC, 5.5, AND SHALL
BE OPERABLE FROM TOP OF. OUTLET �rrrertt�• "SIL
STRUCTURE VIA A HANDWHEEL. 10 FT. WIDE MINIMUM
COMPACTED BERM SECTION
1.25"0 PVC SIPHON (SEE BERM AND SOIL
APPROXIMATE LOCATION OF
COMPACTION SPECIFICATIONS E-
INV = EL.. 680.00 (NWSE) D5 C N R TE COLLAR W
TOP OF DAM W EL. 6$5.00 EXISTING GROUND " ) m
SIPHON TO EXTEND 6 FROM C1 TO BE CONSTRUCTED IN ON SHEET C1301 a
THE FACE OF THE RISER AND ■ cm
THE FIELD BY THE � � c;
E, ELBOW 90' TO 6" BELOW CONTRACTOR 3 3 15" OUTLET BARREL U z
� �j �
TOP OF RISER = EL. 682.90
NORMAL POOL (EL. 679.50) 1 1
© I I ( I A3 SPILLWAY FILTER W
NNW � � $.. DIP D IN TRASH A3 zu
■ � � p >.
f I II
NORMAL POOL = EL. 6$0.00 NV. EOUTWAL 676.00
�;
--.�.�UJ x
� 15"D 0-RING RCP ®1.$2� O z x
INVERT OUT = EL. 677.00 -�
FLOW �
a
I I I NTH V R €5--- ;? W a
77
uj=7to
'd
(MIN.
15" OUTLET BARREL W
RISER OUTLET STRUCTURE A5 CONTRACTOR SHALL FORM KEY TRENCH
A5 VELOCITY DISSIPATOR
C INVERT OF RISER STRUCTURE NON -WOVEN GEOTEXTILE (SEE BERM AND SOIL
TO DRAIN POSITIVELY TO FABRIC SHALL BE PLACED COMPACTION SPECIFICATIONS, 5L x 7'W x 9" THICK
INVERT OF OUTLET BARREL AROUND EACH JOINT OF THE SHEET C1301) D50 = 4"
USING NON -SHRINK GROUT 15"0 0-RING RCP BARREL IN
�1 ON WID N STRIPS CENTERED I OT.l 8 4, �I NOTES:
DAM CROSS SECTION
NM
1.25"0 PVC SIPHON
INV = EL. 680.00 (NWSE)
SIPHON TO EXTEND 6" FROM
THE FACE OF THE RISER AND
ELBOW 90' TO 6" BELOW
NORMAL POOL (EL. 679,50)
8.0' 5.0'
8"0 DIP EMERGENCY DRAWDOWN
NOTES:
1. CONCRETE ANTI -FLOTATION BLOCK TO BE PROVIDED WITH MINIMUM 8" DIP DRAINA3
TEMPERATURE AND SHRINKAGE STEEL REINFORCEMENT.
2. RISER TRASH RACK NOT SHOWN FOR CLARITY.
3. THE 8"0 PLUG VALVE MUST BE OPERABLE FROM THE TOP OF THE
RISER VIA THE HANDWHEEL.
5.0'
MAINTENANCE ACCESS STEPS
SHALL BE PLACED AT 16" O.C.
TOP OF HANDWHEEL TO EXTEND
PLAN VIEW
15"0 O-RING RCP
T3():SJTO BE CONSTRUCTED IN
..�� THE FIELD BY THE
CONTRACTOR
IM OULU / uAbI1LU UNL I THL
DENOTES THE ACCESS HATCH TO
BE PROVIDED BY THE TRASH
RACK FABRICATOR PER OUTLET
STRUCTURE MATERIAL
SPECIFICATIONS (SHEET SW-2A)
RISER TRASH RACK
11.9 LF
2"x2"x1 /4"
ANGLE
'ONCRETE ANCHOR BOLT
,TYP., SEE NOTE #4)
CONCRETE ANCF
(TYP., SEE NOT[
11.9 LF
2"x2"x,/4"
ANGLE
1. ALL REBAR TO BE #4 REBAR.
2. ALL REBAR AND ANGLES TO BE HOT -DIPPED GALVANIZED AND
BE PROVIDED WITH AN EPDXY COATING.
3. THE HOT -DIPPED, GALVANIZED 2"x2"x1 /4" ANGLES SHALL BE
WELDED TO THE REBAR TRASH RACK. ONCE WELDED, THE ENTIRE
ASSEMBLY SHALL BE PLACED ONTO THE RISER WITH ANGLES
SITTING DIRECTLY ON TOP OF RISER.
4. CONTRACTOR SHALL ANCHOR THE TRASH RACK TO MANHOLE
WALL WITH FOUR 4"x1/4" CONCRETE ANCHOR BOLTS THROUGH
ANGLES.
0 ■
4.0'
1-F001 ABOVE TRASH RACK
1 02 AMAINTENANCE ACCESS STEPS
SHALL BE PLACED AT 16 O.C.
8"0 DIP EMERGENCY DRAWDOWN.
1.19'
(CENTER TO
$"� DIP EMERGENCY DRAWDOWN.
1.25"0 PVC SIPHON
TOP OF RISER = EL. fi82.90
CONTRACTOR SHALL CORE -DRILL
CENTER)
CONTRACTOR SHALL CORE -DRILL
THE HOLE FOR THE 8" 0 DIP IN THE
THE HOLE FOR THE 8"0 DIP IN THE
INV = EL. 680.00 (NWSE)
.'
FIELD. PRECASTER SHALL OMIT
FIELD. PRECASTER SHALL OMIT
SIPHON TO EXTEND 6" FROM
1,25"0 PVC SIPHON
'
"
REINFORCEMENT IN THIS AREA.
REINFORCEMENT IN THIS AREA.
THE FACE OF THE RISER AND
; '_
INV = EL. 680.00 (NWSE)
.�'
#6 REBAR PERIMETER FRAME
a a
ELBOW 90' TO 6" BELOW
NORMAL POOL EL- 679.50
( }
�-
a
"
SIPHON TO EXTEND 6 FROM
6" MIN. WALL Q
� a
$" PLUG VALVE. THE VALVE
,:
THE FACE OF THE RISER AND
4" x 4" 6/6 WI=LDED WIRE FABRIC THICKNESS
-
SHALL BEAM&H STYLE 820
:•:
°
ELBOW 90' TO 6" BELOW
NORMAL POOL (EL. 679.50)
`,
D.5 CONCR TE COLLAR
(EACH SIDE & TOP OF CAGE)
a
X-CENTRIC VALVE OR
��
8 DIP D A3
"..
TO 8E CONSTRUCTED IN
•'°
APPROVED EQUAL. THIS VALVE
SHALL BE IN ACCORDANCEWITH
t
A3
,
THE FIELD BY THE
3" (TYP.)
AWWA C--504 SEC. 5.5,
d 5.90'
8' DIP
CONTRACTOR
AND SHALL BE OPERABLE
e.a
°
`a
a
FROM TOP OF OUTLET
'^
STRUCTURE VIA A HANDWHEEL
6" MIN. WALL
_:-
,+
15"0 0-RING RCP
THICKNESS (TYP.)
7.90
a..
°
2.03' a °
2.80' a
a
O
FLOW -�-
° °
•
:a d'
18" (TYP.)
1'-6"
INVERT - EL. 677.00
'- :. • 0.67'
+' i r +q•
'
4
8" PLUG VALVE. THE VALVE
ar
"
a q
«
ac a . dad
SHALL BEAM&H STYLE 820
" : i. ��
16
qY a..+• .
:� • �'
a.4
+, . Y ''d: r •. a. �:
r �.• `
°
4 X-CENTRIC VALVE OR
a
. r
;':.�:.4,; ,. : 1.33'
�. H .•, a
,
q• .
a
ENGINEER APPROVED EQUAL
6" MIN.
WALL
:.�.
,' �'
.
q '
,•
a THIS VALVE SHALL BE IN
THICKNESS
I"1
a a a
WITH
�SHALL
DIP EMERGENCY
8"0 PLUG VALVE. THE VALVE
.4 4. a a
a =. < C-504DSEC.E 5 AND
a
CONTRACTOR SHALL FORM
CONCRETE
CO
CONTRACTOR SHALL CORE -DRILL
ORE-D IL
SHALL BE A M&H STYLE 820
X-CENTRIC VALVE
� 4
a
BE OPERABLE FROM TOP OF
de OUTLET STRUCTURE VIA A
Q a
INVERT OF RISER STRUCTURE
ANTI -FLOTATION 8"0 DIP EMERGENCY DRAWDOWN
THE HOLE FOR THE 8"0 DIP PIPE
APPROVED EQUAL THIS VALVE
THIS
4" ANCHOR DEPTH � . d
HANDWHEEL.
.
TO DRAIN POSITIVELY TO
INVERT OF OUTLET BARREL
BLOCK
15"0.0-RING RCP
CONTRACTOR SHALL SEAL
CONCRETE
N THE FIELD. PRECASTER SHALL
OMIT REINFORCEMENT IN THIS
SHALL BE IN ACCORDANCE
CONTRACTOR SHALL
DRILL INTO PRECAST
#6 REBAR PERIMETER FRAME
USING NON -SHRINK GROUT
THE PIPE PENETRATION ANTI -FLOTATION
AREA
WITH AWWA C-504 SEC. 5.5,
EXTENDED BASE AND 1.19
USING A RUBBER BOOT
BLOCK
AND SHALL BE OPERABLE.
SET ANCHORS USING CENTER TO
(
4" x 4" 6/6 WELDED WIRE FABRIC
FRONT VIEW
AND STAINLESS STEEL
FROM TOP OF OUTLET
EPDXY GROUT CENTER).
(EACH SIDE & TOP OF, CAGE)
HARDWARE
SIDE VIEW
STRUCTURE VIA A HANDWHEEL.
SIDE VIEW
PLAN VIEW
RISER OUTLET STRUCTURE ---__-_--
8" DIP DRAIN TRASH RACK
d"
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