20191675 Ver 1_Project Forge Sewer Extension_red_20191209

CITY OF SANFORD
PROJECT FORGE SEWER EXTENSION
MAYOR
T. C H ET MAN N
CITY COUNCIL
SAMUEL GASKINS
CHARLES TAYLOR
JAMES WILLIAMS
BYRON BUCKELS
REBECCA WYHOF SALMON
CHAS POST
JIMMY HAI RE
F,�7R.D
NORTH CAROLINA
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SANFORD POST OFFICE
VICINITY MAP
NOT TO SCALE
NOVEMBER 2019
FREESE
2�Irm, NICHOLS
1017 Main Campus Drive, Suite 1200
Raleigh, North Carolina 27606
Phone — [phone]
Fax — [phone]
Web — www.freese.com
INDEX OF DRAWINGS
GENERAL
—
COVER
G-1
GENERAL NOTES
G-2
LEGENED AND ABBREVIATIONS
CIVIL
C-1
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STANDARD
DETAILS
DT-1 DETAIL SHEET 1
DT-2 DETAIL SHEET 2
DT-3
DETAIL
SHEET 3
DT-4
DETAIL
SHEET 4
DT-5
DETAIL
SHEET 5
DT-6
DETAIL
SHEET 6
DT-7
DETAIL
SHEET 7
Freese and Nichols, Inc.
North Carolina Registered Engineering Firm C-3916
SFD19541
ISSUED FOR BID

i
2. LOCATIONS, DIMENSIONS OF i OTHER
FEATURES ARE SHOWN ACCORDING TO THE BEST INFORMATION AVAILABLE AT THE TIME OF
PREPARATION OF THESE DRAWINGS, HOWEVER ARE NOT PURPORTED TO BE ABSOLUTELY
CORRECT. THE CONTRACTOR SHALL VERIFY LOCATIONS, ELEVATIONS, DIMENSIONS OF ALL
EXISTING UTILITIES, STRUCTURES, AND OTHER FEATURES AFFECTING THE • PRIOR
• - TO
CONSTRUCTION. CONTRACTOR
- l•R SHALL
. ASSUME RESPONSIBILITY
ES •; FOR
; ANY
DAMAGE T
i •;
4. THE CONTRACTOR EXACT• y • AND ELEVATION OF ALL UTILITIES
BEFORE ANY EXCAVATION BEGINS. THE CONTRACTOR SHALL ASSUME FULL RESPONSIBILITY FO
ANY DAMAGE
5. THE CONTRACTOR SHALL COMPLY NTH ALL APPLICABLE REGULATIONS OF THE OCCUPATIONAL
SAFETY AND HEALTH ADMINISTRATION (OSHA).
,; THE CONTRACTOR SHALL PROTECT AND SUPPORT
ACCORDANCE
STANDARDS, PROCEDURES, POLICIES AND REQUIREMENTS OF THE OWNERS OF THE UTILITIES.
THE CONTRACTOR SHALL TAKE
ALL
NECESSARY
- PRECAUTIONS ENSURE THAT UTILITY LINES,
BOXES,y POLES,i CONDUITS AND ANY OTHER ITEMS ASSOCIATED
UTILITIES' FACILITIES ARE NOT DISTURBED DURING CONSTRUCTION. ALLCOSTS■ i FOR
SUPPORTING, MOVING AND REPAIRING DAMAGED EXISTING UTILITIES AND SUBSEQUENT REPAIRS
WILL BE THE RESPONSIBILITY OF THE CONTRACTOR. REPAIRS WILL BE MADE IMMEDIATELY AT
THE CONTRACTOR'S EXPENSE.
WHICH
IMPROVEMENTS9. EXISTING INCLUDING,• LIMITED TO FENCES, DRIVEWAYS, i ,
TRAFFIC SIGNS, MAIL BOXES PAVEMENT, CURBS, UTILITY PIPELINES, AND DRAINAGE STRUCTURES
. • DAMAGED, REMOVED OR ALTERED TO PERMIT INSTALLATIONOF •'K SHALL BE
REPAIRED OR REPLACED BY THE CONTRACTOR, AT THE CONTRACTOR'S EXPENSE, IN THE SAME
LOCATION Ai IN CONDITION••i OR BETTER THAN THEY WERE FOUND.
10. THE CONTRACTOR SHALL REMOVE TREES AS DIRECTED IN THE DRAWINGS AND SPECIFICATION
CONTRACTOR SHALL CONTACT THE CITY/COUNTY FOR WRITTEN APPROVAL PRIOR TO REMOVINI
ANY TREES • INDICATED-17012 VE11IR0,191
CONTRACTOR11. SHALL INSTALLAND MAINTAIN, • - • PLAN. sTRAFFIC MUST
BE MAINTAINED AT ALL TIMES. ONE LANE TRAVEL AROUND CONSTRUCTION OPERATIONS IN
PROGRESS WITH ADEQUATE SAFEGUARDS WILL BE ACCEPTABLE ON MINOR STREETS ONLY. ALL
BARRICADES, ' - FOR D, i AND PROTECTION
TRAFFICAND PEDESTRIANS, • •' i• i TRAFFIC
CONTROL
12. THE CONTRACTOR SHALL REMOVE FROM PROJECT AREA ALL
SURPLUS
'i MATERIAL.
•$
SHALL BE INCIDENTAL AND
NOT A
SEPARATE
, •A P, ITEM. SURPLUS MATERIALS
..-1 FROM
•
ACCEPTABLEEXCAVATION INCLUDING DIRT, TRASH, ETC. SHALL BE PROPERLY DISPOSED OF AT AN
CONTRACTOR A - AREAS •
PERMISSION,• •R WILL BE RESPONSIBLE FOR ALL DAMAGE RESULTING FROM
i CONTRACTOR SHALL REMOVE MATERIALAT OWN COST.
DESIGN,13. THE • D MAINTENANCE • , THE EROSION PREVENTION y.SHALL BE
THE CONTRACTOR'S RESPONSIBILITY THROUGHOUT ALL PHASES OF CONSTRUCTION. IT SHALL BE
THE CONTRACTOR'S RESPONSIBILITY TO COMPLY WITH THE NCDEQ REGULATIONS CONCERNING
EROSION
•• AND SEDIMENT COIJ7MOL.
14. ALL •ACCORDANCE DEPARTMENT OF LABOR
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATOR'S STANDARDS. CONTRACTOR IS
RESPONSIBLE FOR ALL TRENCH SAFETY. THE CONTRACTOR SHALL CONSTRUCT THE PROPOSE
WORK UTILIZING A TRENCH SAFETY PLAN, PREPARED AND SEALED BY A PROFESSIONAL
ENGINEER FOR THIS PROJECT.i TRENCH SAFETYPLAN i BE SUBMITTED AT THE
PRE -CONSTRUCTION MEETING. I
15. CONTRACTOR SHALL MAINTAIN SUITABLE CONSTRUCTION ACCESS FOR THE ENGINEER AND THE
CITY OF • i AT ALL TIMES DURING CONSTRUCTION.
16. CONTRACTOR SHALL BE RESPONSIBLE FOR KEEPING ALL EXISTING UTILITIES IN SERVICE DURIN11
CONSTRUCTION.
17. THE CONTRACTOR SHALL REMOVE ALL FENCES, LOCATED WITHIN EASEMENTS, INTERFERING NTH
CONSTRUCTION OPERATION AND PROVIDE TEMPORARYDURING • •
PROJECTREMOVED FENCES SHALL BE REPLACED NTH A NEW FENCE OR UNDAMAGED ORIGINAL FENCING.
ALL AFFECTED PROPERTY OWNERS SHALL BE NOTIFIED PRIOR TO CONSTRUCTION. REMOVAL ANI
REPLACEMENT OF EXISTING AND TEMPORARY FENCES SHALL BE CONSIDERED SUBSIDIARY TO
THE COST.
PROJECT,18. CONTRACTOR SHALL PROVIDE CLOSURE PIECES FOR PIPELINE AS REQUIRED TO CONSTRUCT THE
INCLUDING•SE REQUIRED FOR SPECIAL CONSTRUCTION PROCEDURES • • TO
COORDINATE OWNER'S CHANGES TO THE SEQUENCE OF CONSTRUCTION. ALL CLOSURE PIECES
SHALL BE CONSIDERED A SUBSIDIARY COST TO THE PROJECT AND WILL BE PROVIDED AT NO
ADDITIONAL C• '• THE OWNER.
19. THE CONTRACTOR SHALL DISTRIBUTE LETTTO ALL ♦ i PROPERTY OWNERS PRIOR TO
BEGINNING WORK ON PROPERTY. •NAMES i TELEPHONE
NUMBERS OF CONTRACTOR CONTACTS, A DESCRIPTION OF WORK TO BE DONE, AND THE TIME
FRAME FOR DOING THE WORK. COPIES OF THE LETTER SHALL BE FORWARDED TO AND
APPROVED BY THE CITY PRIOR TO DISTRIBUTION. THE CONTRACTOR SHALL NOTIFY RESIDENTS
48 HOURS IN ADVANCE OF PERFORMING ANY WORK ON PRIVATE PROPERTY. DISTRIBUTION OF
LETTERS SHALL BE CONSIDERED i TO THE COSTOF • AND NO
ADDITIONAL COMPENSATION WILL BE ALLOWED.
20. THE CONTRACTOR WILL VIDEO ALL IMPACTED PROPERTY WITHIN THE CONSTRUCTION LIMITS
PRIOR TO WORK. VIDEOS SHALL INCLUDE DATE NOTATION AND AUDIO IDENTIFICATION OF
PROPERTY ADDRESS. THIS ■• CONSTRUCTION Vi • TAPING OF IMPACTED PROPERTIES SHALL
BE CONSIDERED : i i •
21. ALL DRIVEWAYS, WHICH ARE OPEN CUT, SHALL HAVE ACCESS PROVIDED AT ALL TIMES. TH-3
TEMPORARY SURFACE WILL BE CONSIDERED A NON -PAY ITEM.
23. THE FOLLOWING MINIMUM SEPARATIONS SHALL BE PROVIDED FOR THE SEWER SYSTEM:
-STORM SEWERS AND OTHER UTILITIES NOT LISTED BELOW (VERTICAQ: 24 INCHES
-WATER MAINS (VE- . i - OVER - INCLUDING
OR •- • ` • FEET
-RECLAIMED
..i WATER LINES (VERTICAL —RECLAIMED OVER -): 18 INCHES - O• •
i INCHES
-ANY STREAM, LAKE, IMPOUNDMENT, OR GROUND WATER LOWERING AND SURFACE DRAINAGE
i t FEET
SLOPE OFEMBANKMENT OR CUTS OF OR MORE VERTICAL • FEET
-FINAL EARTH -iii (VERTICAL): 36 INCHES
m
LATERAL SEPARATION OF SEWERS AND WATER MAINS
WATER MAINS SHALL BE i; AT LEAST 10 FEET LATERALLYFROM OR f-• •
ABOVESEWERS, UNLESS LOCAL CONDITIONS OR BARRIERS PREVENT A 10-FOOT LATERAL SEPARATION
- IN WHICH CASE:
-THE WATER MAIN IS LAID IN A SEPARATE TRENCH WITH THE ELEVATION OF THE BOTTOM OF
THE WATER MAIN AT LEAST 18 INCHES
-THE WATER MAIN IS LAID IN THE SAME TRENCHAS THE SEWER WITH THE WATER MAIN
LOCATED ONE i ON OF i - i EARTH,AND WITH THE ELEVATION OF
THE
BOTTOM OF a : INCHES ABOVE•' OF -
CROSSINGOVER A SEWER
WHENEVER IT IS NECESSARY- A WATER MAIN TO CROSS OVER i • MAIN
SHALLi i AT SUCH AN ELEVATIONBOTTOM OF i - MAIN , LEAST
• INCHES ABOVE•; OF •CAL CONDITIONS OR
AN
; INCH VERTICAL SEPARATION
•,• CASE
BOTH THE
WATER
• MAIN AND SEWER
SHALL BE CONSTRUCTED OF - MATERIALS AND NTH JOINTS THATARE
: STANDARDS • DISTANCE OF ON iCH SIDE OF • OF
BETWEENCROSSING AND THE VOID SPACE . i
EXCEEDSACKFILLED WITH
3000 PSI CONCRETE OR 500 PSI QUICK SETTING EXCAVATABLE FLOWABLE FILL THAT MEETS OR
!•T STANDARDS.
26. CROSSING
• A ` • MAIN
UNDER
• SEWER
WHENEVER IT IS NECESSARY FOR i WATER MAIN TO CROSS UNDER BOTH THE i
MAIN AND THE SEWER SHALL BE CONSTRUCTED OF FERROUS MATERIALS AND WITH JOINTS
EQUIVALENT TO WATER MAIN STANDARDS FOR A DISTANCE OF 10 FEET ON EACH SIDE OF THE
POINT
•" •O CROSSING.
i . SECTION •::. WATER
' MAIN
PIPE
i. SHALL
. . ■- CENTERED AT THE POINT OF.
CROSSING.
RELATION27. OF STORM TO SEWERS
SEWER MAINS SHALL HAVE - • OF
STORM HORIZONTAL SEA -A • OR i
STORM DRAINS CROSS WITH A VERTICAL SEPARATION OF LESS THAN 24 INCHES THE ENTIRE
LEG OF THE SANITARY SEWER SHALL BE MADE OF WATER MAIN STANDARD DUCTILE IRON PIPE
AND THE VOID SPACE BETWEEN THE PIPE CROSSING SHALL BE BACKFILLED NTH 3000 PSI
CONCRETE OR 500 PSI QUICK SETTING EXCAVATABLE FLOWABLE FILL THAT MEETS OR EXCEEDS
NCDOT STANDARDS.
NECESSARY98. RELATION OF WETLANDS AND STREAMS TO SEWERS
WHENEVER IT IS FOR SEWER TO CROSS EITHER WETLAND OR STREAM,
CROSSING SHALL BE MADE AS CLOSE TO PERPENDICULAR AS POSSIBLE AND THE PIPE SHALL
BE CONSTRUCTED OF RR• AND NTH JOINTS EQUIVALENT TO WATER MAIN
STANDARDS • y DISTANCE OF # FEET ON i OF i OF
WETLAND/STREAM. THE TOP OF THE PIPE SHALL BE AT LEAST 3 FEET BELOW THE BOTTOM OF
THE WETLAND/STREAM. WHERE POSSIBLE,
•■. SECTION OF
PIPE
■: SHALL i. CENTERED
is
POINT OF j• .
29. CONTRACTOR SHALL REGRADE ALL DISTURBED ROADSIDE DITCHES AT A MINIMUM GRADE OF 0.1%
WITH A MAXIMUM SIDE SLOPE OF 3:1 (4:1 PREFERRED). ROADSIDE DITCH BOTTOMS SHALL BE
AT LEAST 2-FEET WIDE. ROADSIDE DITCH SHALL BE COMPLETELY CONTAINED WITHIN THE ROAD
RIGHT OF
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30. WETLAND AND STREAM CROSSINGS:
A. THE CONTRACTOR SHALL COMPLY WITH ALL CONDITIONS OF THE NCDEQ 401 WATER QUALITY
PERMIT AND THE USACE 404 WATER QUALITY PERMIT.
B. WITHIN WETLANDS, CLEARING SHALL BE DONE BY HAND AND GRUBBING SHALL BE LIMITED TO
ONLY THE TRENCH LINE AND NOT THE ENTIRE WORK ZONE TO MINIMIZE SOIL DISTURBANCE.
C. TRENCHES AND THE WORK AREA SHALL BE BACKFILLED AND PROPERLY COMPACTED TO THE
ORIGINAL ( PRE -CONSTRUCTION) GROUND ELEVATION AND THE RE-ESTABLISHED GRADE SHALL
BE STABILIZED WITH A SEED MIX MADE UP OF NATIVE SPECIES APPROPRIATE FOR
RESTORATION AND STABILIZATION OF WETLAND AND UPLAND SOILS. SPECIES SHALL INCLUDE
BIG BLUESTEM (ANDROPOGON GERARDII), LITTLE BLUESTEM (SCHIZACHYRIUM SCOPARIUM),
INDIANGRASS (SORGHASTRUM NUTANS), DEERTONGUE (PANICUM CLANDESTINUM), SWITCHGRASS
(PANICUM VIRGATUM), EASTERN GAMAGRASS (TRIPSACUM DACTYLOIDES), RYE GRAIN (SECALE
CEREALE), AND BROWNTOP MILLET (UROCHLOA RAMOSA). STRAW MULCH SHALL BE APPLIED TO
ALL SEEDED AREAS.
D. CROSSINGS SHALL BE MADE USING DUCTILE IRON PIPE (DIP) EXTENDING 10 FEET ON EITHER
SIDE OF WETLAND/STREAM BOUNDARIES TO PROTECT AGAINST INSTABILITY AND POTENTIAL
LEAKAGE.
E. THE PIPE SHALL BE INSTALLED BY RUBBER TIRE BACKHOE OR TRACK HOE MECHANICAL
EQUIPMENT AS REQUIRED BY THE DEPTH OF THE INSTALLATION. ALL AREAS DENUDED BY THE
EXCAVATION EQUIPMENT SHALL BE RESTORED SUCH THAT ORIGINAL GROUND CONTOURS ARE
RE-ESTABLISHED AND SEEDED AND MULCHED AS DESCRIBED.
F. PRIOR TO EXCAVATING IN JURISDICTIONAL STREAMS, CONTRACTOR SHALL INSTALL RIP -RAP
COFFER DAMS UPSTREAM AND DOWNSTREAM OF THE EXCAVATION AREA TO ISOLATE THE
DISTURBED AREA AND CONTAIN SEDIMENT. STREAM FLOW ON THE UPSTREAM SIDE OF THE
EXCAVATION WILL BE POOLED ABOVE THE COFFER DAM AND PUMPED AROUND THE EXCAVATION
AREA. THE PUMPED WATER WILL BE DISCHARGED ON THE DOWNSTREAM SIDE OF THE
EXCAVATION BELOW THE LOWER COFFER DAM THROUGH SEDIMENT BAGS TO FILTER THE
DISCHARGE WATER OF SEDIMENT BEFORE ALLOWING THE WATER TO BE RETURNED TO THE
STREAM CHANNEL.
G. WETLANDS WILL BE CROSSED USING WOOD MATS TO MINIMIZE RUTTING AND EXCESSIVE
DENUDING OF THE WETLAND VEGETATION. WETLAND AREAS THAT MUST BE EXCAVATED FOR
INSTALLATION OF THE PIPE WILL BE RETURNED TO THEIR ORIGINAL (PRE -CONSTRUCTION)
CONTOURS AND REVEGETATED AS DESCRIBED.
H. LAY DOWN AND STAGING AREAS SHALL BE LOCATED OUTSIDE WETLANDS AND AT LEAST 50
FEET FROM STREAM BANKS.
I. ANTI -SEEPAGE COLLARS SHALL BE INSTALLED ON DOWNSTREAM SIDES OF WETLAND CROSSINGS
EXTENDING 15 FEET FROM THE EDGE OF WETLANDS TO PREVENT HYDROLOGIC IMPACTS TO
THE WETLANDS.
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-< DATE NOV 2019 PROJECT FORGE SEWER EXTENSION
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FREESE
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1017 Main Campus Drive, Suite 1200
Raleigh, North Carolina 27606
Phone -{919) 582-5850
Fax -{919) 582-5851
Web -www.freese.com
,------P·recast reinfcr:ed concrete
top w/ offset access.
lf manhole rim is 3' or more above grade,
Top section shall be same diameter as manhole
& slip resistant outside steps must be provided
Bituminous t>ase sealant s:hct~f be
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i r~,·,,:;;:f':;,}~-,~:(~"----
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Above Grade Manhole
Std. l' G manhole cover and frame -AASHTO H-ZO loadingS'.----~
Cover shalt be stamped SEWER. Frames shall be gr~uted in place.
Frames above grade shall be anchored !n place with anchor bolts.
Bituminous base sealant s:ha1i be
applied to top of cone section
All joints shall be sealed with
preformed butyl rubber gasket
Grout interior joints, exterior
jotnts and Uft holes.
Concrete collars ow flexible rubbsr boots with water
tight seals shall be used at influent and effluent plpes.
Sewer Lateral -8" Min
Flow
Brick & mortar or preformed concrete bench
with smooth, seml-c!r::::ular invert channel
Slope Across Channel = 0.2' Min.
Notes:
1. Refer to City of Sanford drawing SD-R-003 for asphalt patch details if necessary,
2. In paved or traffic areas manhole frame and cover shall be at grade. In other non-traffic nreas
frame and cover shall be a min. of 1" above grade.
Sanitary Sewer Manhole
Dwg. No, SD-S-003
. Date: 07/lC'/g
Sc~.!e: Not Tv Scale
City of Sanford Engineering Dept -P.O. Box 3729 -Sanford, NC 27331 , Drawn By: sw•
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Dote: Nov 25, 2019 -12:57pm User: 02709
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Steel Encasement Pipe AWWA C-202, Min. Thickness =0.375B
Elevation
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NOTES:
1. REFER TO STANDARD MANHOLE
DETAIL FOR
INFORMATION PERTAINING TO
MANHOLE
CONSTRUCTION.
2. REFER TO SPECIFIC PLAN AND
PROFILE FOR DEPTHS.
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NOTE:
EPDM Rubber End Seal W/1" S.S. Sand
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REFER TO PLANS FOR CASING DIAMETER AND
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1. MARKER SHALL BE LOCATED ON BOTH SIDES OF
ALL ROADS AND RAILROADS, AND AT ALL
MANHOLES.
2. MARKER SHALL ALSO BE PLACED AT ALL VALVES,
FITTINGS AND ALONG THE PIPE AT A MAXIMUM
SPACING OF 500 FEET.
3. EACH MARKER SHALL HAVE A STICKER PRINTED
WITH THE FOLLOWING INFORMATION "CAUTION
SANITARY SEWER PIPELINE CONTACT CITY OF
SANFORD [phone], STA. XX+XX"
4. CONTRACTOR SHALL PROVIDE THE OWNER A POST
DRIVER (PART #PDR1 ), A POST PULLER, AND 10
ADDITIONAL PIPELINE MARKERS .
'-GRIEEN MARKER W/
WHITE BLOCK TEXT
_.---3.75''x7:1" THREE RAIL
COMPOSITE PIPEUNE
MARKER MANUFACTURED
BY CARSONITE
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APPROVED EQUAL
TOP OF GROUND
EACH MARKER SHALL INCLUDE
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PERMANENT ACHORING
PIPELINE MARKER
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AGGREGATE FILL TABLE
RCP & RCCP Cl, Dl & CORRUGATED METAL PIPE NON-REINFORCED CONCRETE, VC, PVC & CENTRIFUGALLY CAST
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CLASS 2 CLASS 3
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CLASS 12 EARTH FILL
EXCAVATION MAY BE
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CLASS 3 EARTH FILL
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UTILITY DETECTION
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SPLICESREINFORCING INSTITUTE.
CONFORMING TO THE PROVISIONS OF ACI 318 — "'BUILDING
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UTILITIES DEOPARTMENT
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PIPE USING APPROVED PIPE ALIGNMENT GUIDE. ALL JOINTS SHALL BE RESTRAINED JOINT. SEE NOTi
NOTES
AERIAL PIPE CROSSING
STEEL CASING PIPE---- ELEVATIOJ
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MAINTENANCE REQUIREMENTS:
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FROM THE DEVICE WHEN
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NOTES
USE NO. 5 OR NO. 57 STONE FOR SEDIMENT
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INSTALL 5 FT. SELF FASTENER ANGLE STEEL
POST 2 FT. DEEP MINIMUM.
ATTACH HARDWARE CLOTH TO POSTS WITH WIRE
STAPLE OR OTHER ACCEPTABLE METHODS.
SPACE POSTS A MAXIMUM OF 3 FT.
FOR INSTALLATION BETWEEN SECTIONS OF
SILT FENCE, EXTEND SEDIMENT CONTROL
STONE A MINIMUM OF 12" ON EACH SIDE OF
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THE SKIRT TRENCH IS TO BE TRENCHED
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BY ON
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8. THE WOOD MAT SHALL BE OF SUFFICIENT SIZE AND WIDTH TO SUPPORT THE LARGEST
VEHICLE ,
EQUIPMENT UTILIZED, RECOMMENDED AT A 5:1 SLOPE.
9. CONTRACTOR SHALL DETERMINE AN APPROPRIATE RAMP ANGLE ACCORDING TO
TEMPORARY STREAM CROSSING WOOD MAT
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2. STAGE AND STOCKPILE AREAS SHALL BE LOCATED A MINIMUM OF 50 FEET FROM STORM
DRAIN INLETS AND SURFACE WATERS.
3. STOCKPILE AREAS NOT BEING USED AS HAUL ROADS ARE TO BE STABILIZED WITHIN 7 DAYS.
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FLOW
6
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TRENCH
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Nov 25, 2019 - 12:58pm User:
NOT TO SCALE
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EXCELSIOR
WATTLE
ISOMETRIC
FLOW
TOP VIEW
2"
MATTING
SHOULDER
7
CROSS SECTION -TRAPEZOIDAL DITCH
BACK
SLOPE
UPSLOPE
NOTES:
1. WATTLES SHALL BE CONSTRUCTED PER THE NCDOT
EROSION AND SEDIMENT CONTROL MANUAL.
2. THE DIAMETER SHALL BE A MINIMUM OF 12 INCHES
AND A MAXIMUM OF 20 INCHES.
3. THE LENGTH SHALL BE 10 FEET.
)F PAVEMENT
NATURALGROUND
Y DOWNSLOPE
STAKE
INSET A
INSET B
WATTLE WITH
FLOCCULANT
FLOCCULANT
INSET A
(2 OZ.) ) ( (1 OZ.)
� STAPLES
INSET B
FLOCCULANT
(1 OZ.)
INSET C
MAINTENANCE REQUIREMENTS:
1. WATTLES SHALL BE MAINTAINED PER THE NCDOT EROSION AND
SEDIMENT CONTROL MANUAL.
2. THE UPSTREAM SIDE OF THE WATTLE SHOULD BE MAINTAINED TO
ALLOW THE WATER TO FLOW THROUGH AND ALLOW SEDIMENTATION TO
OCCUR.
3. STAKES SHOULD BE USED TO ANCHOR THE WATTLE TO THE GROUND
TO PREVENT SCOURING AND WASHOUT DURING STORM EVENTS.
WATTLE DETAIL
NOT TO SCALE
PROTECT WETLAND '
OUTSIDE OF DISTURBED yw�
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NOT TO SCALE
TEMP.
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OUTSIDE OF HAUL
ROAD USING WATTLES
POST EXCAVATION
NOTES:
1. UPON COMPLETION OF LAND -DISTURBING
ACTIVITY OUTSIDE OF HAUL ROAD, REMOVE
WATTLES FROM EASEMENT BOUNDARIES AND
INSTALL ALONG BOUNDARY OF HAUL ROAD
TO LIMIT LONG-TERM DISTURBANCES AND
PROTECT SECTIONS OF WETLAND OUTSIDE OF
DISTURBED AREA.
\
—EDGE OF PAVEMENT NOTES
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USE CLASS B EROSION CONTROL STONE FOR
STRUCTURAL STONE.
STRUCTURAL STONE
SACK
THE ENGINEER MAY DIRECT THE OPTION OF
SLOPE
CLASS A STONE FOR SITES HAVING LESS THAN
ONE (1) ACRE DRAINAGE AREA AND A DITCH
GRADE LESS THAN 3%.
ISOMETRIC VIEW
rV MIN.
NATURAL GROUND MAINTENANCE REQUIREMENTS:
1. TEMPORARY ROCK SILT CHECK
I}
TYPE B MUST BE MAINTAINED
PER THE NCDOT EROSION AND
SEDIMENT CONTROL MANUAL.
2. REMOVE SILT FROM DEVICE
CROSS SECTION
WHEN IT ACCUMULATES.
VEE DITCH
BASE OF DITCH
MIN.
NATURAL GROUND
(�
FLOW 12" MIN
8"
CROSS SECTION
TRAPEZOIDAL DITCH
ELEVATION VIEW
TEMPORARY ROCK SILT CHECK TYPE B
NOT TO SCALE
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DT- 6

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INSTALL4. ADDITIONAL -. • AND • -OL MEASURES AS , ON THE PLANS, ! - WATTLES, TEMPORARY•
SILT CHECKS, CLEAN WATER DIVERSIONS, ROCK PIPE INLETS, ROCK INLET SEDIMENT TRAPS, AND ANY OTHER APPROVED EROSION
CONTROL MEASURES, PRIOR TO DISTURBANCES.
7. DEWATER TRENCHES AS NECESSARY USING SILT BAG (SPECIAL STILLING BASIN) OR OTHER APPROVED METHOD. PROVIDE AND MAINTAIN
ADEQUATE DEWATERING EQUIPMENT TO REMOVE AND DISPOSE OF SURFACE AND GROUND WATER ENTERING THE EXCAVATIONS, TRENCHES,
OR OTHER PARTS
♦ OF
WORK.
8. LIMIT DISTURBANCES
- 1.... •: 1,000
,.0 EACH
WORK
• DAY
1, ( TO
ALLOW
.,•`." FOR STABILIZATION.
1 PROVIDE
- .• r! IMMEDIATE RESTORATION/STABILIZATION
•■ a •f/ ♦• 1
PIPE AND DRAINAGE WAY -O
11. DISTURBED
'R..!'. AREAS
SHALL .: STABILIZED 1. SOON
;• Y POSSIBLE.
...•. ALL
AREAS
., X SLOPES
!::. STEEPER
. , • -: SLOPES
.', GREATER a
50 FEET IN LENGTH SHALL BE STABILIZED WITHIN 7 DAYS. THIS IS EXPECTED TO INCLUDE, BUT NOT LIMITED TO, AREAS WHERE NEW
STRUCTURES WILL BE ERECTED, NEWLY GRADED AREAS, AND STOCK PILE AREAS. ALL OTHER AREAS THAT DO NOT MEET THE CRITERIA
REQUIRING STABILIZATIONDAYS SHALL BE STABILIZED WITHIN 14 DAYS.Y INCLUDE• AREAS WHEREAND
PLACE.PAVING ACTIVITIES WILL TAKE
12. AFTER ALL LAND DISTURBING ACTIVITIES ARE COMPLETE AND THE SITE IS STABILIZED, ALL TEMPORARY MEASURES SHALL BE REMOVED,
INCLUDING SILT FENCE, SPECIAL SEDIMENT FENCE, TEMPORARY ROCK SILT CHECKS, CLEAN WATER DIVERSIONS, ROCK PIPE INLETS, ROCK
INLET SEDIMENT TRAPS, AND ANY OTHER APPROVED EROSION CONTROL MEASURES. PERMANENT SEEDING, MULCHING, AND LANDSCAPING
SHALL BE APPLIED TO ALL DISTURBED AREAS WITHIN 30 WORKING DAYS OR 120 CALENDAR DAYS (WHICHEVER IS SHORTER) FOLLOWING
COMPETITION OF CONSTRUCTION.
1 INSTALL CLEAN WATER DIVERSION PARALLEL TO EASEMENT/RIGHT OF WAY. DIMENSIONS SHALL BE AS NOTED IN DESIGN CALCULATIONS TO
ACCOUNT FOR CAPACITY, VELOCITY, AND SHEAR STRESS.
STREAM CROSSINGS:
DRAINALL EPHEMERAL CROSSINGS i !
7. INSTALL DIVERSION PUMP, DISCHARGE LINE, AND OUTLET PAD.
9. INSTALL UPSTREAM IMPERVIOUSDIKE AT LOCATIONINDICATED ON PLAN i BEGIN PUMPING/DIVERTING
PUMP IF EPHEMERAL DRAIN IS FLOWING. IF NO FLOW EXISTS, THEN COMPLETE EXCAVATION AND UTILITY INSTALLATION AT EPHEMERAL
DRAIN WATER DIVERSION.
10. INSTALL DOWNSTREAM IMPERVIOUS DIKE AT LOCATION INDICATED ON THE PLAN AND INITIATE PUMPING OF SEDIMENT -LADEN WATER FROM
CONSTRUCTION AREA AS NEEDED.
fill, iffill"llill,
P• COMPLETION OF WORK, REGRADE STREAM BED AND
BANKS i, SPECIFIED PLANS AND
RESTORE ! TO
ORIGINAL CONTOURS.
REMOVE EROSION CONTROL MEASURES FROM WITHIN CREEK BED AND REPLACE ANY SILT FENCE AND COIR WATTLES ON BANKS. STABILIZ-2
WITH TEMPORARY AND PERMANENT SEED MIX AND STRAW MULCH.
1. PRIOR TO IMPACTING WETLAND, COIR WATTLE BARRIER SHALL BE IN PLACE BETWEEN WETLAND AND ANY DISTURBED AREA AS PROTECTION
FROM i i' DISTURBANCE.
■
UNDISTURBED4. REPLACE COIR WATTLES SURROUNDING HAUL ROADS THAT WILL BE DISTURBED FOR GREATER THAN 3 DAYS TO PROTECT
WETLAND
1. SPECIAL STILLING BASINS (SILT BAGS) SHALL BE USED AS NECESSARY FOR TRENCH DEWATERING,
2. PLACE SPECIAL STILLING BASIN AT GROUND LEVEL, THEN INSTALL PUMP AND DISCHARGE LINE. PUMP TO SPECIAL STILLING BASIN.
3. REPLACE AND DISPOSE OF BASIN(S) WHEN i FULL OF SEDIMENT OR IMPRACTICAL FOR BAG TO FILTER SEDIMENT OUT AT A REASONABLIA
FLOW RATE.
GROUND STABILIZATION REQUIREMENTS
SITE AREA DESCRIPTION
STABILIZATION
TIMEFRAME EXCEPTIONS
PERIMETER DIKES, SWALES,
7
DAYS
NONE
DITCHES, AND SLOPES
HIGH QUALITY WATER (HQW)
7
DAYS
NONE
ZONES
SLOPES STEEPER THAN 3:1
7
DAYS
IF SLOPES ARE 10'
OR LESS IN LENGTH AND ARE
NOT STEEPER THAN
2:1, 14 DAYS ARE ALLOWED.
SLOPES 3:1 OR FLATTER
14
DAYS
7 DAYS FOR SLOPES GREATER THAN 50' IN
LENGTH
ALL OTHER AREAS WITH SLOPES
14
DAYS
NONE, EXCEPT FOR
PERIMETERS AND HQW ZONES.
FLATTER THAN 4:1
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DT-7
Date: Nov 25, 2019 — 12:59pm User: 02709
ISSUED FOR BID SEQ.