HomeMy WebLinkAbout20190336 Ver 1_SR 2548 Auburn Church Rd e-courtesy copy_20190311�;�.; � .,,�+p
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Road: SR 2548 (Auburn Church Road)
County: Wake
River Basin: Neuse
Stream Name: Big Branch
Lat, Long: 35.71052, -78.56409
H UC: 030202011101
NCDENR-DWQ Index Number, Stream Classification: 27-34-11; NSW
Existin� structure: 120" corrugated metal pipe that is 38ft long that has deteriorated.
Proposed structure: Replace with a 14'-3" x 9'-7" corrugated aluminum structural plate arch
with fully welded aluminum structural plate headwalls. This new structure is 49.6ft long. Rip
rap will be installed underlined with geotextile for long term stability surrounding the
headwall tie-ins and along the existing fill slope to reclaim existing toe where ponded
waters have eaten away at the roadway. Note this is solely a pipe replacement project is
not a road improvement nor a widening project.
Riparian Buffers: Equipment used and work performed will be from the existing
transportation facility. Foot traffic access for installation of temporary dewatering measures
will be limited just upstream and downstream of the pipe replacement to maintain a dry
work area. No trees will be cut and no grading within riparian areas is proposed. Therefore,
no Neuse River Buffer impacts are proposed.
Temporary impacts: +/-40ft dewatering (20ft below pipe outlet and 20ft above pipe inlet).
This stream and open water areas will require water management. Impervious dikes will be
installed in the streambed and swamp upstream and downstream of the work site for
containment and to maintain a dry work. A clean water pump around will be used to
maintain a dry work area. Impervious dike materials will be removed once the work is
complete.
Permanent impacts: 11.6ft of fill in surface water is proposed with the longer pipe in
addition to +/-5ft of rip rap on stream banks upstream and 5ft downstream.
Wetland Information: This site is a swampy wet ponded crossing mapped as Hydric (Wo—
Wehadkee and Bibb soils). Impacts however are limited to ponded surface water impacts,
not wetland loss. Therefore, no wetland impacts are proposed.
Cultural Resources: Review of the SHPO GIS mapping reveals no cultural resources, no
historic structures nor properties at this crossing.
Division Five-2612 North Duke Street, Durham, North Carolina 27704
Telephone: 919-220-4600 Fax: 919-560-3371
Protected saecies information:
Northern long eared bat: BC of May Affect, Likely to Adversely Affect based on
programmatic biological opinion with the FHWA, NCDOT and USACE that allows for
incidental take for NLEB for projects with a federal nexus in Division 5.
Cape Fear shiner: BC of No Effect as project is not located in the Cape Fear River watershed.
Red-cockaded woodpecker: BC of No Effect based on lack of habitat with non-forested
roadway shoulders and fill slopes.
Michaux's sumac: BC of No Effect based on survey of suitable habitat with highly
maintained roadway shoulders and fill slopes.
Dwarf wedgemussel: Use of the Programmatic Biological Opinion for Bridge and Culvert
Replacements/Repairs/Rehabilitations in Eastern North Carolina, NCDOT Divisions 1-8 (June
13, 2018) provides a BC of No Affect for this species.
Tar River spinymussel: Use of the Programmatic Biological Opinion for Bridge and Culvert
Replacements/Repairs/Rehabilitations in Eastern North Carolina, NCDOT Divisions 1-8 (June
13, 2018) provides a BC of No Affect for this species.
Yellow lance: Use of the Programmatic Biological Opinion for Bridge and Culvert
Replacements/Repairs/Rehabilitations in Eastern North Carolina, NCDOT Divisions 1-8 (June
13, 2018) provides a BC of No Affect for this species.
Atlantic pigtoe: This project is over 2.75mi upstream of the nearest known observation
which was from 1951. This pipe replacement will be completed before this species becomes
officially listed, therefore a biological conclusion is not required nor is concurrence with the
USFWS required.
Division Five — 2612 North Duke Street, Durham, North Carolina 27704
Telephone: 919-220-4600 Fax: 919-560-3371
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ORANN BY i REESE BRILEY DarE : 02-16-19 �� o � SELECT MATERIAL 2,319 4,383
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� PRO.lECT N0. 42346.3.1
WAKE COUNTY
STATIOW SR-2548
� s�EEr _ oa _ AUBURN CHURCH RD,
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DEPART1iENT OF TRANSPORTATION
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LOCATION SKETCH
14'-3' x 9'-7' CASPA
ALUMINUM HEADWALLS
REVISIONS
STATE OF NOF2TH CAROLiNA CASPPA HEAD WALL DETAILS 423460301
SUBJECT PROJECT
DEPARTNENT OF TRANSPORTAT Io�BURN CHURCH RDo PIPE REPLACEMENT WAKE
COUNTY
��v�s�av oF HICaI-IWAYS WRB 02-16-19 SR-2548
HIC�I-IWAY BUILDING PREPARED BY DATE STATION
P. O. BOX 25201 C�CKED BY �ATE STR NO SF-EET_ OF_
RALEIGH. NORTH CAROLINA 27611
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INLET & OUTLET HEADWALL
ELEVATION VIEW
49'-6"
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STUCTURAL PLATE ARCH W/
FULLY WELDED ALUMINUM
STRUCTURAL PLATE HEAD WALLS
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PAVEMENT SCHEDULE
GEOGRID PLACE 1 to 1.5 FEET BELOW TOP OF SUBGRADE.
FULL WIDTH and LENGTH of EXCAVATED AREA UNDER
FOOTPRINT of AWS.
2" ASPHALT CONCRETE SURFACE MIX, TYPE S9.5C,
AT AN AVERAGE RATE OF 112 LBS. PER SQ. YD. PER IN.
6" ASPHALT CONCRETE BASE COURSE, TYPE 625.00,
AT AN AVERAGE RATE OF 112 LBS. PER SQ. YD. PER IN.
SHOULDER GRADING
ASB/APPROVED GRADED ABC REQUIRED
0"-3" MILLING
NEW ASPHALT TO BE PAVED BACK FLUSH
EXISTING PAVEMENT
FULL DEPTH ABC
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BRILEY 02-16-19
25'-0°
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TYPICAL SECTION WITHIN EXCAVATION LIMITS
VARIES 24'-�" VARIES
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TYPICAL SECTION MILL AND FILL w/ TIE-INS
49'-6"
STRUCTURE LENGTH PERPENDICULAR TO
ROADWAY
8'-9" 5'-0' 11'-0' 11'-0�, 5,_��� 8,_���
PROPOSED PROPOSED
ROAD ROAD
9'-6" 1�'-6'
EXISTING EXISTING
ROAD ROAD
0.33 0.00 0.33
0.21� I / �-0.46
0.30 II -0.30
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� I WITH ALIJMINUM HEADWALSS � m � ^
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-16.00 � PROJECTED �% _
. STREAM BED t�0
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38'-0" 25'-�"
PROFILE ALONG CENTERLINE OF CULVERT
14"_3" X 9,_7" CORRUGATED ALUMINUM
STUCTURAL PLATE ARCH W/
FULLY WELDED ALUMINUM
STRUCTURAL PLATE HEAD WALLS
-15.17
FLOW STREAM
— --------_�BED
25' - 0'
-16.88
VARIES
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PROdECT N0. 42346.3.1
WAKE COUNTY
STATION: SR-2548
sruc a roR+■ cua�w
pEPARTIYENT OF TRANSPORTATION
RqEIGx
EROSION CONTROL
PUMP &ROUND
DEWATERING PLAN
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