20010586 Ver 1_Site Plan_20010428

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PROJECT CODE: JL-HOL9

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HOLLY SPRINGS,

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NORTH CAROLINA

ENGINEERING PLANS
PIN #: 0658.02-77-5872
DWQ #: 010596

OWNER/ DEVELOPER:

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TOWN OF HOLLY SPRINGS PARKS
& RECREATION DEPARTMENT
P.o. BOX 8
128 SQUTH MAIN STREET
HOLLY SPRINGS, NORTH CAROLINA 27540
TEL: [phone]
CONTACT: Mr. Len Bradley

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CONSULTANT I AGENT:

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THOMPSON AND ASSOCIATES
CONSULTING ENGINEERS

5821 HOLLY SPRINGS ROAD
RALEIGH, NORTH CAROLINA 27606
TEL: [phone]
FAX: [phone]
CONTACT: Mr. Joseph J. Lyle
Mr. Vernon Hershberger

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DATE: April 26, 2001
Revisions

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VICINITY MAP

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APPENDIX:

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SHEET C-2: SITE PLAN ENLARGEMENT - PART 1
SHEET C-3: SITE PLAN ENLARGEMENT - PART 2
SHEET C-4: DREDGING PLAN ENLARGEMENT - PART 1
SHEET C-5: DREDGING PLAN ENLARGEMENT - PART 2

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NA TURE CONSERVANCY
BOUNDARY (TYP.)
LITTORAL SHELF STUDY AREA # 1
@ 0.07 AC TOTAL AREA.

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VICINITY MAP
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N.C. GRID (NAD 83)
ALL DISTANCES ARE HORIZONTAL
GROUND MEASURED IN FEET

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HOLLY SPRINGS TOWNSHIP
TOWN OF HOIJ.Y SPRINGS JURtSDlCTlON
SITE LOCATED IN WAKE COUNTY, He

FISH HABITAT AREA #7 - GRAVEL
BEDS 0 6" DEPTH @ :1:0.14 AC TOTAL
(ALTERNATE HS-7: TYP. ALL AREAS)

NEW 2,33 AC HABITAT ISLAND.
(ALTERNATE HS-3, 6)

LITTORAL SHELF STUDY AREA #4
o 0.03 ACRES TOTAL AREA

HARDWOOD LOG EDGING 113
o :1:75 LF
FISH HABITAT AREA #6 - GRAVEL
BEDS 0 S" DEPTH @ :1:0.08 ACRES
(ALTERNATE HS-7: TYP. ALL AREAS)
FISH HABITAT AREA #5 - GRAVEL
BEDS 0 6" DEPTH 0 :1:0,31 ACRES
(CONSTRUCTED FROM GRAVEL OF
TEMPORARY HAUL ROAD. SEE NOTE
5, THIS SHEET)

CUT WILLOWS AND TREE VEGETATION TO
LEVEL OF EXISTING LAKE BOTTOM JUST
PRIOR TO RE -FILLING OF BASS LAKE
TO REMOVE VEGETATION AND PREVENT
RE -SPROUTING

(ALTERNATE HS-4)
TYPE 1 :tB17 LF
TYPE 2 :t 1,542 LF
TYPE J :t281 LF
TYPE 4 :t899 LF (THIS SHEET)
:t2,579 LF TOTAL

00000000000
***********
................
_11_11_11-11-

TREATMENT TYPE 1 f):0.75 AC)
NATIVE TREE/SHRUB SHORELINE VEGETATION TREATMENT; LIVE STAKING;
LUNKER LEAN-TO/HARDWOOD LOG EDGING; PERMANENT EROSION
CONTROL FABRIC

TREATMENT TYPE 2 f;J:0.71 AC)
NA TIVE TREE/SHRUB SHORELINE VEGETATION TREATMENT; STACKED HARD-
WOOD LOG EDGING; PERMANENT EROSION CONTROL FABRIC
TREATMENT TYPE J f):0.19 AC)
FOCAL POINT - PEDESTRIAN ZONES;
SAND BEACH AREA WITH NATIVE WETLANDS VEGETATION IN ADJACENT LITTORAL
ZONES; CARRY SAND TO WATERS EDGE AT POINT; NATIVE TREE/SHRUB
VEGETATION BEHIND PATHWAY; COIR FIBER ROLLS; STACKED HARDWOOD
LOG EDGING; EROSION CONTROL FABRIC
TREATMENT TYPE 4 (:I: 1.79 AC)
UPPER ZONE:
PERMANENT EROSION CONTROL FABRIC; PERMANENT SEEDING ONLY
ALTERNATE: WIDELY SPACED WOODY VEGETATION (SEE PLANT

WTAL lIYNOYATl'iE SHO~EUtiE STABILIZATION - H.888 LF; J,~~ AC
INCLUDES TREATMENT TYPES 1 - 4)

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FOREBA Y /SEDIMENT BASIN # 1
@ 0,07 AC TOTAL
FUTURE FISHING PIER/ PEDESTRIAN
OVERLOOK #4

LITTORAL SHELF STUDY AREA #2
@ 0.24 ACRES TOTAL AREA.

6"xS" TIMBER EDGING @ 160 LF
4" SAND @ :l:: 25 CY (0.05 AC)

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HARDWOOD LOG EDGING # 1
o 354 LF

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SCCOOH C-C1
FUTURE FISHING PIER/ PEDESTRIAN
OVERLOOK #3
SECOOH 0-01
TYPICAL FISH HABITAT #1 -
GRAVEL SPAWNING BEDS 0 6"
DEPTH @ 0.07 AC (ALTERNATE
HS-7: TYP. ALL ARtAS)
6"xS" TIMBER EDGING @ 150 LF
4" SAND @ :l:: 24 CY (0.045 AC)

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LITTORAL SHELF STUDY AREA #3
@ 0.25 ACRES TOTAL AREA.

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HARDWOOD LOG EDGING #2
@ :1:215 LF: SEE PROFILES,

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SEcnOH 8-81

TYPICAL FISH HABIT A T #2 -
GRAVEL SPAWNING BEDS 0 6"
DEPTH @ 0.07 AC
EXISTING 50' SEWER LINE
&& EASEMENTS
TYPICAL FISH HABITAT 1i3
GRAVEL SPAWNING B.ECJS @ 6"
DEPTH @ 0.06 AC (ALTERNATE
HS-7)
FUTURE FISHING PIER/ PEDESTRIAN
OVERLOOK #2

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NEW 8' WIDE PATH - PAVE WITH
4" ASPHALT PATH
AL7~tyATE HS-2: 1" STONE DUST
FINES) OVER -1" CRUSHER RUN

NEW FISH HABIT A T 14
GRAVEL SPAWNING B.EDS 0 S"
DEPTH @ 0.09 AC (ALTERNATE
HS-7)

OLD LAKE EDGE
NEW LAKE EDGE

FUTURE SAND BEACH
CANOE LAUNCH

FUTURE BOATHOUSE & DOCK

FUTURE CONCRETE BOAT RAMP
AND STORAGE AREA -
8" CONCRETE C 3200 PSI

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EXISTING BOATHOUSE TO BE
REMOVED BY TOWN OF HOLLY
SPRINGS

ALTERNATE HS-1:
PROPOSED ASPHALT PARKING
2" 1-2 ASPHALT & 8" ABC TO
NCDOT STANDARDS

FUTURE 12' ENTRANCE LANE
100' STORAGE/ 180' TAPER
(NOT REQUIRED FOR THIS PHASE
OF PROJECT - NOT IN CONTRACT)

ALTERNATE HS-1:
CONCRETE CURB & GUTTER

lQIES:
1. 4" DOUBLE SHREDDED HARDWOOD MULCH SHALL BE USED FOR ALL NEW PEDESTRIAN
PATHWAYS, UNLESS OTHERWISE INDICATED. ALTERNATE HS-2 SHALL BE 1" STONE
DUST OVER 4" ABC CRUSHER RUN.
2, ZONE J SAND BEACH SHALL CONSIST OF 4" CLEAN, WASHED SAND OVER MIRAFI 140-NL
NON-WOVEN EROSION CONTROL FABRIC.
3. TIMBERS AT SAND BEACH EDGE SHALL BE S"xS" CCA PRESSURE TREATED TIMB~RS, AND
SHALL BE TOE-NAILED TOGETHER WITH 40-PENNY NAILS. #3 REBAR (I 24"-36" LENGTH
SHALL BE USED TO ANCHOR TIMBERS.
4. ALTERNATE HS-1: ASPHALT PARKING LOT SHALL BE TO CURRENT NCDOT AND TOWN OF
HOLLY SPRINGS STANDARDS de SPECIFICATIONS.
5. FISH HABITAT SHALL BE 6-INCHES CLEAN WASHED GRAVEL @ 20' WIDTH ALONG SHORELINES.
TEMPORARY HAUL ROADS SHALL BE UTILIZED, IF POSSIBLE, FOR THE CONSTRUCTION OF FISH
SPAWNING AREAS ALONG THE WESTERN SIDE OF THE HABITAT ISLAND. ALL OTHER GRAVEL
SPAWNING BEDS SHALL BE 6" CLEAN, WASHED GRAVEL (I 20' WIDTH, LOCATED IN LESS THAN
24" MAXIMUM WATER DEPTH.
6. EXISTING 50' SEWER EASEMENT SHALL BE UTILIZED FOR EQUIPMENT AND MATERIAL
ACCESS AND MOVEMENT THROUGHOUT THE SITE. CONTRACTOR SHALL REPAIR ANY
EXISTING STRUCTURES THAT ARE DAMAGED, AT NO COST TO THE OWNER,
7. EXTREME CARE SHALL BE USED TO PROTECT EXISTING TREE BUFFER AREAS ALONG
EXISTING SHORELINE EDGE. EXISTING BUFFERS TO REMAIN UNDISTURBED.
8. DEMOUTION SHALL INCLUDE REMOVAL AND DISPOSAL OF EXISTING BOAT HOUSE
AND DOCK, AS WELL AS ANY VEGETATION WITHIN PRIMARY LAKE BED GRADING AREAS.
9. FILL MATERIAL SHALL NOT BE DEPOSITED OR DISCHARGED INTO WETLANDS OR
FLOODPLAIN AREAS.
10. SEE RIPARIAN BUFFER CROSS-SECTIONS, SHEETS C-7 FOR SPECIFIC CONSTRUCTION AND
PLANT ZONES, SEE SHErr C-B FOR ZONE PLANTING OPTIONS,
". SEE SHEET C-3 FOR SITE PLAN ENLARGEMENT CONTINUATION, '.
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EXISTING SEWAGE
PUMP STATION
/

~~ T~~}lfCWtlfwlLK FLUSH WITH
BACK OF CURB - 4" THICK @
2800 PSI @ 28 DAYS
AL TERNA TE HS -5: CONNECT
EMERGENCY SPILLWAY DRAINAGE
CHANNEL TO EXISTING DRAINAGE
CHANNEL BELOW EXISTING DAM

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OWNER:
TOWN OF' HOLLY SPRINGS
P.O. BOX 8
HOLLY SPRINGS. Ne 27S40

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SITE PLAN ENLARGEMENT - SHEET 1
BASS LAKE RESTORATION &
SHORELINE STABILIZATION

HOLLY SPRINGS TWP. OWNER TOWN OF
100 0 50 100 200 / HOLLY PRINGS
I I I I I / WAKE CO. NORTH CAROUNA ZONED R-40
, .........
/ " '" DATE 4/26/01 DRAWN VLH JOB NO. JL-HOL9
SCALE 1-. 100' / " SCALE 1- · 100' SURVEYED DRAWING DWQSITE
/ " REVISIONS PIN 0658.02-77-5872

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VICINITY MAP
NOT TO SCALE

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FUTURE FISHING PIER/PEDESTRIAN
OVERLOOK #5 (NOT IN CONTRACT)
FUTURE PIER TO BE ATTACHED TO
BOARDWALK AND ACCESS CUT INTO
BOARDWALK RAILING BETWEEN POSTS

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FUTURE CONNECTION TO TOWN
GREENWA Y SYSTEM

EXISTING LAKE BED TO REMAIN UNDISTURBED
EXCEPT FOR FISH SPAWNING AREAS
FISH HABITAT AREA #8 - GRAVEL
BEDS @ 6" DEPTH @ :to.13 ACRES
(ALTERNATE HS-7: TYP. ALL AREAS)

N.C. GRID (NAD 83)
ALL DISTANCES ARE HORIZONTAL
GROUND MEASURED IN FEET

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FISH HABITAT AREA #10 - GRAVEL
BEDS @ 6" DEPTH @ :i:0.14 ACRES
(ALTERNATE HS-7: TYP. ALL AREAS)
FISH HABITAT AREA #9 - GRAVEL
BEDS @ 6" DEPTH @ :to.10 ACRES
(ALTERNATE HS-7: TYP. ALL AREAS)

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"............... ~ -... ------. ----- --.. --- .............. - --- -- - """--
...... '-- -........ ,---....--- -'-- --- -. -- -..... - ....-- - -----
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"-. -. -.. ---- ,,'-"- ...-- ---- - - ............... - -. --- - ----- -
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-<-...- -...... ------......-.... -'-- ----:::::::::--..:: --- --
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HOLLY SPRINGS TOWNSHIP
TOWN OF HOLLY SPRINGS JURlSOtCTlON
SITE LOCATED IN WAKE COUNlY, Ne

EXISTING 6' BEAVER DAM @ :t1' HT
ABOVE EXISTING GRADE TO REMAIN
UNDISTURBED. REMNANTS OF OLD
WOOD STRUCTURE IS EVIDENT.
SOIL & VEGETATION HAVE FILLED
AND STABILIZED OLD STRUCTURE

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NEW CONCRETE WIER (2 TOTAL) AS
SHOWN. 8' PATHWAY TO CONNECT TO
WEST PATH END AT ELEVATION 328.75
WITH WOODEN BOARDWALK 0 192 LF
RAMP TO GRADE AT EAST END OF
BOARDWALK @ ELEVATION 326.07
RAMP SHALL BE 35' L @ ""5.21 % SLOPE
CLEAR VEGETATION ONLY AS NEEDED TO
INSTALL PATHWAY TO 1-' MAX. WIDTH.
LIMB UP BRANCHES TO 8'-10' HT. AS
NEEDED FOR CLEARANCE

CUT WILLOWS AND TREE VEGETATION TO
LEVEL OF EXISTING LAKE BOTTOM JUST
PRIOR TO RE -FILLING OF BASS LAKE
TO REMOVE VEGETATION AND PREVENT
RE-SPROUTING

FUTURE PEDESTRIAN TRAIL

THIS SHEET ONLY. SEE SHEET C-2 FOR CONTINUATION
(ALTERNATE HS-J)
TYPE 4 1,680 LF _11_11_11-

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100

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200
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O\W\lER:
TOWN OF HOLLY SPRINGS
P.O. BOX 8
HOLLY SPRINGS. Ne 27540

SCALE 1" "" 1 00 '

"""11",,
,\',}" CARo""
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(~ (:~::)~..)
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TREATMENT TYPE 4 f;t1.79 AC):
UPPER ZONE:
PERMANENT EROSION CONTROL FABRIC; PERMANENT SEEDING ONLY
ALTERNATE HS-6: WIDELY SPACED WOODY VEGETATION

TYPE 1-J
TYPE 4
TOTAL:

56,635 CY
10.032 CY
66,667 CY

10.0J AC
1. 78 AC
11.81 AC

SITE PLAN ENLARGEMENT - SHEET 2
BASS LAKE RESTORATION &
SHORELINE STABILIZATION

HOLLY SPRINGS TWP.

IATES WAKE CO. NORTH CAROLINA
RD
7 6 DATE 4/26/01 DRAWN VLH
09
143 SCALE 1. "" 1 00' SURVEYED

TOWN OF
H LL Y SPRINGS
ZONED R-40

JOB NO. JL-HOL9

DRAWING DWQSITE

(INCLUDES 20% SHRINKAGE VOLUME INCREASE)

TYPE 1 6,798 CY 0.79 AC
TYPE 2 2,514 CY 0,78 AC
TYPE 3 1,037 CY 0.17 AC
TYPE 4 7.0B1 CY 1.29 AC
TOTAL: 17,430 CY 3.04 AC

REVISIONS

PIN 0658.02-77-5872

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VICINITY MAP
NOT TO SCALE

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HOllY SPRINGS TOWNSHIP
TOWN OF HOllY SPRINGS JURISDICTION
SITE LOCATED IN WAKE COUNiY. NC

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1. ALLUVIUM SEDIMENT SOIL SHALL BE EXCA VA TED AND DEPOSITED ON EXISTING HIGH
GROUND IN ORDER TO REACH STABLE SOIL. STABLE SOIL EXCAVATION TO BE USED
FOR RIPARIAN BUFFER EXPANSION ALONG WESTERN SHORELINE EDGE.

2, ISLAND FILL VOLUMES MAY VARY BASED ON FIELD CONDITIONS. ISLAND STORAGE
VOLUMES ARE APPROXIMATE. ISLAND LOCATION IS APPROXIMATE AND SUBJECT TO
FIELD ADUJSTMENTS AS NEEDED. FINAL LOCATION TO BE APPROVED BY ENGINEER
PRIOR TO CONSTRUCTION.

3. THE SEDIMENT TRAPS AND DIVERSION BERMS ARE DESIGNED AND LOCATED TO CATCH
DRAINAGE SEDIMENT ACCORDING TO EXISTING TOPOGRAPHY AND ANTICIPATED EXCAVATION
AREAS. CONTRACTOR SHALL ADJUST LOCATION OF SEDIMENT TRAPS AND DNERSION
BERMS TO FIT FIELD CONDITIONS,

4. GRADING AREA CALCULATIONS APPROXIMATE. ADDITIONAL DREDGING MAY BE REQUIRED
THE GRADING AND DREDGING OPERATION, SOME TEMPORARY DIVERSION SWALES OR
ADDITIONAL EROSION AND SEDIMENT CONTROL PRACTICES MAYBE REQUIRED. SEE
DETAIL SHEET FOR SEDIMENT TRAP DIMENSIONS.

5. LIMITS OF CONSTRUCTION SHALL BE THE EDGE OF THE EXISTING TREE LINE AS
CURRENTL Y LOCATED IN THE FIELD, AND AS INDICA TED ON THE GRADING AND
EROSION CONTROL PLAN.

6, DEMOLITION SHALL INCLUDE REMOVAL AND DISPOSAL OF EXISTING BOATHOUSE
AND DOCK, AS WELL AS ANY VEGETATION WITHIN PRIMARY GRADING AREAS.

7, PROPOSED RIPARIAN BUFFER FILL MATERIAL SHALL BE INSTALLED IN B-INCH THICK
LIFTS AND COMPACTED TO NOT LESS THAN 95% STANDARD PROCTOR MAXIMUM
DRY DENSITY. MATERIAL SHALL BE STABILIZED USING VARIOUS SHORELINE
STABILlZA TlON TREATMENTS INDICA TED BELOW.

B. FILL MATERIAL SHALL NOT BE DEPOSITED OR DISCHARGED INTO WETLANDS OR
FLOODPLAIN AREAS

9. TREE PROTECTION FENCING AND OUTERMOST DIVERSION BERMS SHALL DENOTE
LIMITS OF CONSTRUCTION.

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HI-VIS ORANGE TREE PROTECTION FENCING ALONG
EDGE OF EXISTING TREE LINE ENTIRE LENGTH OF
WESTERN LAKE EDGE. TREE FENCING SHALL DENOTE
LIMITS OF CONSTRUCTION

N.C. GRID (NAD 83)

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HI-VIS ORANGE TREE PROTECTION FENCING ALONG
- EDGE OF EXISTING TREE LINE ENTIRE LENGTH OF
WESTERN LAKE EDGE. TREE FENCING SHALL DENOTE
LIMITS OF CONSTRUCTION

PRIMARY RIPARIAN BUFFER BORROW AREA:
_ REMOVE :t56,6J5 CY SEDIMENT/SOIL,
10.0J AC 0 :tJ.5' DEPTH
INCLUDING 10,J49 CY FILL MATERIAL

PRIMARY DAM CONSTRUCTION BORROW AREA:
REMOVE :t28,000 CY/SOIL FILL MATERIAL
TOTALS NOT INCLUDED IN RIPARIAN BUFFER
DREDGING TOTALS)

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DREDGING PLAN ENLARGEMENT - SHEET 1
BASS LAKE RESTORATION &
SHORELINE STABILIZATION

-- OLD SHORELINE EDGE

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TEMPORARY DIVERSION BERM (TYP.)-.J

LITTORAL SHELF STUDY AREA #J

ENTIRE EXISTING EASTERN SHORELINE EDGE TO
REMAIN UNDISTURBED

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RELOCATED SEWAGE
PUMP STATION

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TYPE 1-3
TYPE 4
TOTAL:

56,6J5 CY
10.0J2 CY
66,667 CY

70.03 AC
7.78 AC
71.81 AC

(INCLUDES 20% SHRINKAGE VOLUME INCREASE)
TYPE 1 6,798 CY 0.79 AC
TYPE 2 2,514 CY 0.78 AC
TYPE J 1,037 CY O. 77 AC
TYPE 4 7.081 CY 1.29 AC
TOTAL: 77,430 CY 3.04 AC
GRADING MATERIAL: APPLlNG-CECIL/ SOFT ALLUVlUM SOILS
DREDGE DEPTH: 4'-B' UPSTREAM OF DAM EMBANKMENT
"'3,5' SHORELINE EDGE/ LAKE BASIN

1

50 100
, I

200

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SCALE 1". 100'

EMERGENCY SPILLWAY: 5: 1 SIDE
SLOPES 0 2.12% CENTE:RUNE SLOPE

TOTAL REVEGETATION AREA:
105,942 SF (2.4J AC)
(GRASS SLOPE COVERING)

AJAX INTERLOCKING CONCRETE
BLOCKS EMBEDDED 0' TOE OF
SLOPE: 4 ROWS @ BO LF

LIVE STAKING:

J,657 SF @ ::t600 LF x 6' W
EQUAL MIXTURE @ 100% COVER
PLANTED WITHIN RIP-RAP OR FABRIC
CORNUS AMOMUM - 20J EA.
SALlX NIGRA - 20J EA.
NEW CHANNEL EDGE @ J: 1 SLOPE

LIVE STAKING:
7,506 SF 0' ::t251 LF x 6' W
EQUAL MIXTURE @ 100% COVER
CORNUS AMOMUM - 57 EA,
SALlX NIGRA - 57 EA.
NEW CHANNEL EDGE @ J: 1 SLOPE

EXISTING CHANNEL & CHANNEL
EDGE TO REMAIN
LIVE STAKING:
1,584 SF C :t64 LF x 6' W
EQUAL MIXTURE @ 100% COVER
CORNUS AMOMUM - 80 EA.
SALlX NIGRA - 80 EA.
EXISTING CHANNEL EDGE TO REMAIN

mMJt.
TO\\t4 OF HOLLY SPRINGS
P.O. BOX 8
HOLLY SPRINGS. Ne 27MO

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HOLLY SPRINGS TWP. OWNER

TOWN OF
HOLLY SPRINGS
ZONED R-40

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WAKE CO. NORTH CAROLINA
DATE 4/26/01 DRAWN VLH
SCALE 1. - 100' SURVEYED

APPROX. CLEARING &
GRUBBING LIMITS. SEE
SHEET -- FOR GRADING &
EROSION CONTROL INFORMATION

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REVISIONS

PIN 0658.02-77-5872

JOB NO. JL-HOL9
DRAWING DWQSITE

.........---...--

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LIMITS OF CO~S~~5~'TlO~REE FENCING SHALL DENOTE

PRIMARY RIPARIAN BUFFER BORROW AREA'
REMOVE :1:10,032 CY SEDIMENT/SOIL .
INCLUDING 7,081 CY FILL MATERIAL '
1. 78 AC @ ::1:3.5' DEPTH

TEMPORARY DIVERSION BERM (TYP.)

OLD SHORELINE
EDGE

VICINITY MAP
NOT TO SCALE

~

N.C. GRID (NAD 83)
ALL DISTANCES ARE HORIZONTAL
GROUND MEASURED IN FEET

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HOLLY SPRINGS TOWNSHIP
T~~ Of' HOLLY SPRINGS JURISDICTION
...,.. LOCATED IN WAKE COUNlV, Ne

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ENTIRE EXISTING EASTERN SHORELINE
EDGE TO REMAIN UNDISTURBED

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100 0 50 100
1 I I I 200
\ OYJNER:
TOWN OF HOLLY SPRINGS
SCALE 1 "= 100 ' P.O. BOX 8
HOLLY NO$. Ne 27

HOLLY SPRINGS TWP.

tAlES WAKE CO.
RD
6 DATE 4/26/01

SCALE 1 ~ = 100'

REVISIONS

OWNER

TOWN Of
HOLLY SPRINGS
ZONED R-40
JOB NO. JL-HOL9
DRAWING DWQSITE
PIN 0658.02-77-5872

DREDGING PLAN ENLARGEMENT - SHEET 2
BASS LAKE RESTORATION &
SHORELINE STABILIZATION

NORTH CAROLINA

DRAWN VLH

SURVEYED

- -- ,- -----.-.--..-.--.----..---.----------------

HOLL~( SPRINGS,

NORTH CAROLINA

(REVISED) PHi~SE I EROSION CONTROL PLAN
PIN #: 0658.02~77~5872

_01VNER -L DEVELOPER:
TOWN OF HOLLY SPRINGS PARKS
& RECREATION DEPARTMENT
128 SOUTH MAIN STREET
HOLLY SPRINGS, NORTH CAROLINA 27540
T]~L: [phone]
(~ONTACT: Mr. Len Bradley

VICINITY MAP

NOT TO SCALE

/ /
/ (

HOLLY SPRINGS
r:5ELEMENTARY SCHOOL
.....7'0 ~
lio!..!..
r Sf'
lio!.., Sir tr~VGS
',rc- 7- "'0
\oliO)?, I S< Ie .S
;'t\tCS J..t()
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HOLLY SPRINGS TOWNSHIP
TOWN OF HOLLY SPRINGS JURISDICTION
SITE LOCATED IN WAKE COUNTY, NC

cor~SULTANT /1 AGENT:

. ,

_ THOMPSON AND ASSOCIATES
o CONSULTING ENGINEERS
153 HOLLY SPRINGS ROAD
HOLLY SPRINGS, NORTH CAROLINA 27540
TEL: [phone]
F'AX: [phone]
CONTACT: Mr. Joseph J. Lyle

APPENDIX:

I)i\ TE: April 4, 2001
Revisions: FEBRUARY 6, 2004

C-l: GRADING AND DREDGING PLAN - SHEET 1
C-2: GRADING AND DREDGING PLAN - SHEET 2
C-3: DAM EROSION CONTROL PLAN OVERVIEW
C-6: EROSION CONTROL DETAILS AND SECTIONS
D-12: EROSION CONTROL DETAILS

BASSECOVER.DWG

GENERAL:

BASS LAK E S ITE DATA:

WA TERBODY: BASS LAKE; BASAL CREEK
RIVER MILE: N/A
TIDAL AREAS: N/A
HIGH WATER LINE: SEE CHART, THIS SHEET
LOW/ NORMAL WATER LINE: 324.00
AVERAGE WATER DEPTH: 4'-8' AT LAKE CENTER & EDGE
13' DEPTH AT DAM
NEARBY FEDERAL PROJECTS: USDA SEWER LINE EXTENSION
WATERWAY CLASSIFICATION: U.S. NON-NAGIVABLE WATERS

OVERALL LAKE AREA
- BEFORE BREACH
- AFTER DAM RECONSTRUCTION
- NET LOSS U.S. WATERS
WILDLIFE HABITAT ISLAND
GRAVEL FISH SPAWNING BEDS
LITTORAL STUDY ZONES
EXISTING LITTORAL ZONE
(AT HEADWATERS)
TOTAL TRAIL LENGTH

62.94 ACRES
52.61 ACRES
::t 1 0.33 ACRES

::t2.33 ACRES
:t 1.24 ACRES
:to.52 ACRES
:to.51 ACRES

LITTORAL
LZ #1
LZ #2
LZ #3

SEE SHEETS L-1 & L-4 FOR
PLANTING RECOMMENDATIONS

0.25 ACRES
0.24 ACRES
0.03 ACRES

FISH GRAVEL SPAWNING BEDS:

FB #1 220 LF (0.10 AC)
FB #2 140 LF (0.06 AC)
FB #3 150 LF (0.07 AC)
FB #4 150 LF (0.07 AC)
FB #5 280 LF (0.13 AC)
FB #6 220 LF (0.10 AC)
FB #7* 720 LF (0.33 AC)
FB #8 275 LF (0.13 AC)
FB #9 230 LF (0. 11 AC)
FB #10 300 LF (0.14 AC)
TOTAL AREA 2,685 LF (1.24 AC)
* INCLUDES GRAVEL HAUL ROADS TO
SEE NOTE 5, THIS SHEET

SHORELINE

STABILIZATION:

TOTAL BORROW/DREDGE MATERIAl.; AREA: G3

RR W AR A 1 TA Y MAT RIA 66,470 CY
INCLUDES 18,548 CY SUITABLE FILL MATERIAL.
ADJUST SEDIMENT REMOVAL IN OTHER AREAS
AS NEEDED TO EXCAVATE REQUIRED STABLE
FILL MATERIAL)

TYPE 1-3 56,267 CY 10.03 AC
TYPE 4 1 0.203 CY 1.78 AC
TOTAL: 66,470 CY 11.81 AC

TOTAL BUFFER FILL MATERIAL: AREA;
TOTAL: 18,548 CY 3.04 AC
(iNCLUDES BORROW MATERIAL AND SUITABLE FILL
MA TERIAL FOR SHORELINE STABILIZATION @ 10%
VOLUME INCREASE FOR ANTICIPATED SHRINKAGE)

AA' ~
(2.33 AC*) ~
WA TER ELEVATION

A
TOTAL: (47,922 CY)
* DENOTES ACTUAL AREA

BORROW AREA #2 TOTAL CY MATERIAL 28,000 CY
(iNCLUDES BORROW MATERIAL AND SUITABLE
FILL MATERIAL FOR DAM CONSTRUCTION @ 20%
VOLUME INCREASE FOR ANTICIPATED SHRINKAGE)

.QJ:SCRIPTION OF SHQRELlNE STABILIZATION TREATMENTS:

TYPE 1 ::t817 LF (::to.75 AC) 00000000000
NATIVE TREE/SHRUB SHORELINE VEGETATION TREATMENT; LIVE STAKING;
LUNKER LEAN-TO WITH HARDWOOD LOG EDGING; PERMANENT EROSION
CONTROL FABRIC

TYPE 2 ::t1.542 LF (::to.71 AC) ***********
NA TlVE TREE/SHRUB SHORELINE VEGETATION TREATMENT; STACKED
HARDWOOD LOG EDGING; PERMANENT EROSION CONTROL FABRIC

TYPE 3 ::t350 LF (::to. 19 AC) ................
FOCAL POINT - PEDESTRIAN ZONES;
SAND BEACH AREA WITH NATIVE WETLANDS VEGETATION IN ADJACENT
LITTORAL ZONES; CARRY SAND TO WATERS EDGE AT POINT; NATIVE
TREE & SHRUB VEGETATION BEHIND PATHWAY; COIR FIBER ROLLS:
STACKED HARDWOOD LOG EDGING; EROSION CONTROL FABRIC

TYPE 4 x2.380 LF (x 1.64 AC) _11_11_11_11-
PERMANENT EROSION CONTROL FABRIC; PERMANENT SEEDING ONL Y
ALTERNATE: WIDELY SPACED WOODY VEGETATION (SEE PLANT LIST,
SHEET L-l)

TOTAL INNOVATIVE SHORELINE STABILIZATION - ::t5.089 LF: 3.29 AC

INCLUDES TREATMENT TYPES 1 - 4

DAM

&

SHORELINE

CONSTRUCTION:

WORK DESCRIPTION & NOTES:

BASS LAKE RESTORATION WILL INCLUDE THE REBUiLDING OF ThE DAM ANO~cSTOR,t..:; THE LAKc.
THE DAM WILL BE A CONCRETE AND EARTHEN DAM BUILT TO CURRENT DAM Sk"[Tf STAt-,DARDS
THE DAM WILL INCLUDE A PRIMARY ANJ E}AERGENCY SPILLWAY THAT WILL DRA;'~ \;TO A I\j[l'.
STREAM CHANNEL JUST NORTH AND PARALLEL TO THE EX/STiNG DAM. r"E Ex;STING DAM \~';L:" BE
INCORPORA TED INTO THE STRUCTURAL FRAMEWORK OF THE NE'rV DAM.

BASS LAKE RESTORATiON WILL INCLUO[ r,,[ R[SCULPTlNG OF THF IAK[ ROTTC',~ BY (;RAO;NG /;10..;:1
HAULING SUIIAE3U~ SOIL ANU ~EUIM[Nr lU ULU-'[N rlti:. dU! rUM uf rllt.. u,1\t., A'.J 'v ,,1,'L;..r:... ,\:....\
RIPARIAN BUFFERS ALONG THE WESTERN SHORELINE EDGE. THE OVERALL AR[A N:LL BE RESTORED
USING TRADITIONAL AND INNOVATiVE BIO-REMEDIA TiON PRACTiCES. INCLUDif...G ~v;\K[R LEN, - TO
STRUCTURES, HARDWOOD LOG TIMBER EDGES, COCONUT COIR FIBER ROLL S, ~OR[BA Y AND LITTORAL
ZONES, WETLANDS PLANTlNGS. NATIVE TREE AND SHRUB SHORELINE STABiLiZA TiO,,,,".

SHORELINE RIPARIAN BUFFERS WILL BE CONSTRUCTED USING EXCAVATED SEDIMct'.;T AND STABLE SO/~
FROM THE EXISTING LAKE BOTTOM. THIS MATERIAL WILL BE RELOCATED AND DEPOSITED ON HIGh
GROUND IN OPEN FILL AREAS TO ELIMINATE THE NEED TO CLEAR VEGETA TlO". r--RO!~ THE EXISTi,\jG
BuFFER EDGES. SHORELINE BUr--FERS WILL BE LENGTHENED A I--.. 0 ....iDcNED TO [\,,;.. 'vCE Bu;::FERS
CURRENTL Y LOCATED ON-SITE.

NEW RIPARIAN BUFFERS WILL BE PLANTED WITH NATIVE SHORELINE AND NETLAND VEGETATION. FiSH
HABITAT AND A WILDLIFE HABITAT ISLAND WILL BE PROViDED WITHIN THE LAKE BED AREAS. PERVIOUS
WALKING TRAILS AND LIMITED BOARDWALK AREAS WILL BE PROViDED FOR PASSiVE RECREA TlOAL uSE.
FUTURE SITE AMENITIES INCLUDE FISHING PIERS. BOATHOUSE, AND BOARDi\AU<S. BuT ARE NOT
INCLUDED WITHIN THE SCOPE OF THIS PROJECT.

1. GENERAL CONSTRUCTION:
WORK INCLUDES THE DAM RECONSTRUCTION, CONCRcTE SPIL....WA YS, CONCRE:.T[ B....OCK BOAT
RAMP, LAKE BOTTOM RESHAPING, MULCH PATHWAYS, SHORELINE BIO-ENGi\jEERING, CLEARING
AND DCMOLlTlON, FISH HABITAT AND SPAWNING AREAS.

A. EQUIPMENT SHALL ENTER SITE THROUGH CURRENT SEwER AND CONSTRUCTiON EASEMENT.
SEWER EASEMENT AND OPTIONAL ABC GRAVEL HAUL ROAD TO BE GSED FOR SEDIMENT
GRADING AND MOVEMENT. CONTRACTOR SHALL REPAIR ANY EXISTi,\'G SEWER STRUCTURES
THA T HE DAMAGES AT NO COST TO THE OWNER.

B. TEMPORARY HAUL ROADS MAYBE INSTALLED TO FACILiTA T[ SEDIMcNT REMOVAL. FiNAL
LOCATION OF HAUL ROAD TO BE DETERMINED IN FIELD AND MUST BE .REVIEllrED AND
APPROVED BY PROJECT ENGINEER, AND MUST COMPL Y WITH ALL APPROPRIATE REGULA TORY
AGENCY REQUIREMENTS. THE CONTRACTOR SHALL NOT BE PAlO FOR HAUL .ROAD
CONSTRUCTION AND/OR REMOVAL. THIS SHALL BE CONSIDERED PART Or-- THE OVERALL
GRADING CONTRACT.

C. Nfl',' CONCRETE AND EARTHEN DAM AND SPILLWAYS SliALL B[ CONSTRlJCTED AS PER
ATTACHED ENGINEERING PLAN AND PROFILE DRAIVINGS, AND 'AUST CC'AP:... Y WTH ALL.
APPROPRIA TE REGULA TORY AG[.\CY REQUI,REMENTS AND CONJ:TiONS 0;: APPROVAL.

D. SEE SPECIFICATIONS FOR COMPACTIO/'-I PE~FORMANCE REQui~EMENTS r--O.R E,\/iRONME:.NTAL
RESTORA TlON SITES.

2. BiD ALTERNATES
SEVERAL BID AL TERNA TES ARE REQU,RED. SEE COVcR SnEE:T "JR ]ESCR ':;~O\S

J. CONTRACTOR REQUIREMENTS,

A. A PRE-BID CONFERENCE WILL BE HELD AT THE TOWN OF "OLLY SPR,!\GS PRIOR TO PROCcEJu\G
TO THE SITE FOR A TOUR OF THE PROJECT SITE AND AN OVER/,[',., 0" T,.,E DES,G,\j A,\jD
CONSTRUCTION SEQUENCE.

B. BODING CON TRACTORS A~ER[Qu.RED TO "AiE RE...A :EO E\ I RC '-, ',1[', ~.:.... ~[S~C~/. ~ C '.
EXPERIENCE. PREFERE,\jCE ..,,__ BE G./E\ TC CO\TQAC""O~S ,', ~- [,.. ;::'[."{ [',O[ .. \S~;'_,-- \~
L/'IE STAKING, HARDwOOD LOG EDG/~"G. r-"ATlvE Af\;D ,'.ETJ.',': IECr-;..T,:., ~E;-ERE\CES 1,.f.....S~ BE
PROvIDED AtvD MUST VER,FY T.,.,E $;A TE] EXPERIU-.:CE.

C NuRSERIES SHALL BE REQuIRE8 TO GvARA~ TEE ~MA T :..__ :;_:"', ~ ',::'. St:E:J....C Ar..::J 'Iv_Cn
MATERIALS, AS A CONDiTIO~ OF PuRCHASE. ARE ;-~EE ~RJ'.I ;o;E ':", T !\rEST A TIOr--...

4. PROJECT LIMITATIONS AND EXCLUSIONS:

A. MONITORING OF BuFFER AND rYULAtvD VEGETA T'ON SnA....... Bc COI,OvCT[!) By/..\ Cv ~S.:'E
AGENCY, AND SHALL NOT BE CONSIDERED PART 0" T,., S PROJECT

B CONSTRuCTION OF BOARDlVAL";S. BOATHOuSE, JOC";S /... \:J tISn;.\,':; p~,,<S :"R~ ~IOT f.,C, >JJe)
AS PART OF THIS PROJECT.

5. GRADING & CLEARING WORt<.:

WORK CONSISTS OF rtLLiNG A:...O,\'G ShORELINES TO OREA T[ '.E.V R;PA,Rk\ Bu;-;-~,R AR[AS ;:OR
PLANTINGS, PATHWAYS AND FiSH I1ABITA T. THESE PLANS ;'_SO iNDICA T[ BORRO,\ AREAS FOR
RIPARIAN BUFFERS WHERE THE SOIL MATERIAL SHALL BE OBTAINED. GRAD.\G ,',OR"; SHALL
INCLUDE THE FOLLOWING:

A. CREATING A WILDLIFE HAB/TA T ISLAND WITH THE SILT .1,.fA T[RIALREMO/E:;' FROM THE LAKE
BOTTOM DURING THE GRADING OPERATION TO ACCESS Su TABLE F'lLL ;-OR T"E .RiPARIAN
RIPARIAN BUFFERS.

B. HAUL ROADS, TEMPORARY STREAM CROSS/I\GS AND S,'1I:.../.R ACCESS[S ~O ,',ORK AREAS.

C. TEMPORARY EROS/ON CONTRO:.... MEASURES TO P.REVEvr SE]'MENT "RO'I E\ 7"[.RING TnE
EXISTING LAKE BOTTOM STREAM CORRiDORS.

D.

CLEARING, CUTTING AND FILLING FOR DAM REPAIR AND CONSTRUCT,O,V

E.

CONTRACTOR SHALL NOT REMOVE, FROM THE SITE, OLO CO\iCRETE FRO'~ Tn[ EXISTING DAM
OR BURN TREE STUMPS. THESE ITEMS ShALL BE DUMP[O INTO LOCA TONS ,'r'IT'"IN TH[ LAKE
BOTTOM AS DETERMINED BY THE OWNER TO FACILITATE ns., HABITAT

F.

CONSTRUCTING SHORELINE RIPARIAN BUFFERS WITn SO~ ;-~OM THE [X!ST/\G J.,KE BOTTOM
ONE FOOT OF SEDIMENT &- TOPSOIL OVER FILL MA TER;A~ S"ALL BE O[~OS, TED OVER ALL
AREAS TO BE PLANTED OR RESEEDED.

G.

RIPARIAN BuFFER AND WALKING TRAIL MAY BE AD",uST[J ~O FIT CGRR[\ T ;-:[LO CONDiTiO(\.$.

EXACT LAKE BOTTOM [LEVA TlON MAY VARY TO CPEA T[ S,"-,CLJSITY !;\ 7'.,[ ;-.J ~URE STREAM
CHANNEL, FISH HABITAT, SPA,"NI,\G BEDS AND ;. ,'f :....:J:..:-E "'lAB/TATS"';' \.J. T..,E A~PROXll;" TE
LOCATION OF ISLAND AND LAK[ BED [~['vATlONS AR[ AS \DiCATEJ 0\ S....E~S C-4 & C-5.
FINAL LOCATION OF THE HABiTAT ISLAND TO BE AP;JRO/ED '\j ThE:-[_D BY T,....E ENGINEER
OR LANDSCAPE ARCHITECT PRiOR TO CONSTRuCTiO,\'.

H.

ENVI RO N M ENTAL

RESTORATION:

SHORELINE AND HABITAT ISLAND VEGETATION MANAGEMENT PLAN:

,', O~K \C....0D[S RIPARIAN BU~FER AND _;ITO~AL ZONE CO:\STRUCTiON AND BUFFER VEGETATION.
SE~ S.,EE~S ~-; - L-4 FOR P:..A'\iTI\G ~[Ou REM[NTS S[~ SHEET L-1 FOR TOTAL PLANT LISTS.

SALlX r-.,IGRA AND ALNUS SERRuLA T A ~kt. Y BE OBT ':'1~jED FRO~1 INDiGENOUS POPULATIONS WITHIN
ThE L.:.r<E BAS!N AREA AT BASS LAr<E,A~D ShAi.-L BE uSED FOR EST ABUSHING NEW RIPARIAN
8JF;:-ER A!\D STREAMBANr< \lEGET A Tim, ALONG THE I',ESTERN SHORELINE EDGE AND BELOW THE

. .. F,'. () ,:~ .. ~

~
"

[XISV"C S:"C,FARiA A!\D SCIRPuS Sh':'L. RE TRM~SP~':'NTED INTO LOW, FLOOD PRONE AREAS
OuTSiDE OF ~HE CO~,STRUCTiON L,~.ITS FeR TE',1PORART STORAGE UNTIL TRANSPLANTED INTO
;:lRO;:l:)SED FOREBAY AREAS ALOr--~G TriE.',ESTERI\ SHORE,-INE EDGE. SEE SHEETS L-1 - L-4.

?
......

EXIS flr-.,G SPARGANIUM ShALL BE TR/.NSPLANTED INTO ,r-.,-STREAM AREAS OUTSiDE OF THE
ARE.A.S OuTSIDE OF ThE CONSTRJCTiO!\ LIMITS FOR TE~1PORARY STORAGE UNTIL TRANSPLANTED
NTO THE PROPOSED FOREBAY AREAS :",-ONG ThE .vESTERN SHORELINE EDGE

~

AL_ \EGETATiON THROuGHOuT TME EXiSTI~~G LAr<E 80TTO~1 THAT IS !\OT RELOCATED SHALL BE
CuT TO TrlE LEVEL OF THE EX,STING LAr<E BOTTOM, JuST PRIOR TO THE RE-FILLlNG OF THE LAKE.

~

THE EX:STi~G LAr<E BOTTOM AND STREM.1 CORRiDORS SHALL BE RE-EXAMINED BY LANDSCAPE
ARCniTECT A,'"D POTENTIAL OuTSiDE AGENCY PRIOR TO THE START OF ANY GRADING ACTIVITY
;-OR THE PO~EN T, AL uSE OF DESIR ABlE ,"[ LAND PlA!\ ~iNGS Th A T MAY H AVE GERMIN A TED.

6

IN... T P....A\ T SPECIES NATI'/E TO T'"1t. NORTh CARO~Ir--..A ,-O,\ER PIEDMONT-uPPER COASTAL
~L/.iN, OR .',hE!\ NECESSARY. CUL TI;ARS OF ThESE SPECiES SrlOULD BE uSED. ORIGINAL 6
COL.....ECT;O\S OF ~1A TERIAL OF THESE SPEC,ES OR CUL Ti.ARS uSED SrlOULD BE FROM THE
;:lIED~,~O\ T-COASTAL PLAIN OF TrlE CAROLiNAS OR CENTRAL/SOUTHERN VIRGINIA. NURSERIES
SMALL BE REQUIRED TO GuARANTEE TrlE pROVENANCE OF ThE PLANT MATERIAL AS A
CONDiT,O\ OF PURCHASE.

7

;:- r:::ECOMME"-;DED NATIVE SPECiES OR APPROPRIATE pRO',rENANCE ARE NOT AVAILABLE FROM
A r>.uRSERY. T AXONOf..1iCALL Y RELA TE) NON-NATiVE SPECIES SHOULD NOT BE USED AS SUB-
ST TUTES. iN ThiS SITUATION, THE SuBSTITUTES SHOULD BE OTHER NATIVE SPECIES WITH
ECOLOGICA_ CHARACTERISTICS SIMiLAR TO TME RECOW.1ENDED SPECIES, EVEN IF THE RECOM-
~,lENDE8 A!\D SuBSTI TUTE S;:lECiES ARE NOT CLOSELY RELATED. CON TACT THE LANDSCAPE
ARChiTECT ,\ THE EvENT THAT SuGGESTED NATIVE PLANT SPECIES ARE UNAVAiLABLE.
CONTACT TME LANDSCAPE ARCHTIEC~ FOR LIST OFA VAilABLE NATIVE PLANT NURSERIES
AT (919) 851-i 709 #203 OR ,,207.

8

J..,NDSCAPE ARO...,;TECT $t"iALL VISIT SuP?:... Y NURSE,R,ES ~C ""6PECT WULANJS VEGETATiON PRIOR
:; ~0RC.,ASE or-- PJ. \... MATERIALS CO'. '''<ACTOR S.,.,A~~ \C.........DE AN A:..LOWANCE I!" d/S BID TO
C'J./:R ...., S COST. SEt SPEC! t:', C:.. TO,\S ;-J.R ADDiTiONAL \r--ORMA TiO.\. NURSERY OR CONTRACTOR
~J ~vP~~ Y C0/.~Ar\TEE TnAT P~;"\:"S A~~ ",~[E 0" /EeCrAT;I[ COI\JTAM/NANTS AND U\VASIVE PLANT
SPcC;ES sue,., AS hYDRILJ. OR O~,.,[,R j', ,ASI/~ OR ,~~tGAL AQ0AT:C vEGETATION AS OETERM/NED
3Y \CD[\~.

9.

':'.....i.- S'"10~EL\E A\) LITTORAL ZONE VEGETATION SHAL,- BE PLANTED AS SPECIFIED. VEGETATION
,',_L BE EVAL......A TED BY LANDSCAPE CONTRACTOR, ON :.. REGJLAR BASIS, TO DETERMINE IF
.....NDESiR.:..B~E PLANT MATERIALS ARE A PROBLEM. FOR GRASSES AND WILDFLOWERS. HERBICIDES
Sn,;.L.... BE APPL'ED I!\ TME FALL PRIOR TO PLANTiNG. :"PPL Y ROUNDUP TO THE WILDFLOWER AND
GR.:.. SS :..REAS IF T rlERE IS REGRONTH. APPLY A FOlLOW- uP TREA TMEN T 7- DA YS BEFORE
:~_'./.~ION.':' SPRI\G FOL_C,','-.....;:l TREAH.1U..T f.~AY BE NEEDED 7-0A'I'S BErORE PLANTING IF
,',E~_DS PERSS~ TIME S..,Ou....D BE :"__0,',EO ;OCR Tnt: BREAKDO\',!\ OF THE OLD PLANT MATERIAL.

. ~
'V

...r-E:-... ~ECCESS':'RY, <.is::: "RODEO" - ':", :.:;:;R:::' ,:::::. ,',::~_':'\: ME~BC,8E -,', ~..,i~ R,PAR,AN AND
_I P:)R':"~ ZONES AS PER MA\vr A:~ .....RERS RECO~.I"IE\DA ~,ONS APPLY AERIAL.... Y AS NEEDED TO
,Nr~STEc) t.REAS. iF uNDESIRABLE. ".000'1 P~A~ TS ESTABLISH THEMSELVES, APPLY "RODEO,"
"RGu!\D -,,~" O~ ";J _A TEAv" ...;ERB C.DES ON ~O SEED :.REAS AS PER MANUF ACTJRERS RECOM-
'.'E1\O A TI Or-.. s. :0\ TACT SEED S0?? _.ER ~O; NrOR~,1':" TION REGARDING WHICH FLOWERS OR GRASSES
.:.RE ~OLERANT OF S;JECirIC ~ERB C SES :,;:l~_ Y "RODEO" OR "ROUNDJP" HERBICIDES DIRECTLY
J,RF.CL Y ONTO BASAL CuTS AT A 25% SOLv TION OR AS PER MANUFACTURERS RECOMMENDATIONS.

1 ..

IEetTA TION SnA....L. BE EVA~uA TED BY CO,\TRACTOR :0 .'[TERM/NE IF' OEER BECOME A PROBLEM.
." JEER ARE :)A'~AGI,"'IG THE RIPAR:A,\ ANO LiTTORA:... Pj..\/TINGS, APPLY "DEER AWAY" OR "DEER OFF"
~O T,,.,E AREA AS ~ER MANU"ACTU~tRS F<ECO,'~,I,1ENOATI:"~\S. APPLY EVERY THREE MONTHS IF NEEDED.
/,PP!...iCl.. LON 0;- JEERREPE:..._E.NT S...,AL_ B~ ONL Y AFTE~ A PROBi.,EM DEVELOPS AND THE OVERALL
PL.A\iT SJCC[SS ~A T[ 5 ~)[TERI.C..[]. T/""'[ APP:"!CA TO\ 0;: REPELLENT SHALL BE AUTHORIZED BY
T ~ E ~ ,', ..., E R .

. ,
.'

,'",,'[ ',A[5~ ;:-[\iC;,\G SnA:"~ BE ,\S~,:.~.~:' .t..ROu,'JO ~i rT~IRA~ ZON~S TO PROTECT ,\EhAND
.'[G~:A ~ 0\ ~)EE S....[ET C- 6 "C~ ;-~..:=..~ SPEC FiCA ~ C\S AND DETA;LS

.. ?
-'

~'fA~ SnOu_.:/ BE ADDEO TO TnE S TE PR,OR TO CUL'/ vA TiON OR PLANTING OF VEGETATiON AND
SEEDS .F ~nE SOIL p," IS BELO.1 6. Q. SOiL pd SHAL~ BE DETERMINED BY SOIL TEST.

.. ,
..

\0 \'"ROGE\ S,..,A;",L BE AJOED J0RI\G THE ESTABL!S,.,'~Ef\; T OF GRASSES AND WILDFLOWERS.
..../F<OGEI\i ""i;"'~ E\'COuRAGE ."EEJ CRO,',T~ THAT ~'hL SGPRESS OR SMOTHER GROWTH OF GRASSES

~I"J..') ,', ~J~~Cr~,~RS.

.. ;:,
-'

SnORE_.,\E RIPAR;AN BvF~ER AREAS S"1A....~ Bc ....OOSE\ED TO A DEPTh OF 3-INCHES WITH A
CUL T:'./A TOR (;:09 W'LO~10'r\ER AND GRASS AREAS). S[EDS SHOULD BE PLANTED AT A CONSTANT
JEPT"1 OF ;/4-INCHES AND BE \\EL:'" COI[REJ.

.. -
b

,'.i....,)t:'_C).'r'E,R SEEJS SnAL~ BE PL)..,\ ~[] 1\ TnE S~R\G ,VHEN THE SEEDS MAYBE EXPOSED TO
OOO~, IAO:ST TEMPERA T J,R[S BELO.\ 40-DEeREES ;:-- "OR AT LEAST ONE MONTi-i.AS REQUIRED FOR
G[R.'vl:\ATION. SEED;\jG ,S BEST /,H[,\j r....c SO:.... T[MP[RATURE IS GREATER THAN 55' F, AND WHEN
AD:.J",A T[ 'AOtSTuRE is AVAILABL.E TO SuSTA!i\j 1;\ TAL SEEDLiNG GROWTH. SEED PLANTING MAY BE
00,',[ !\ T.,E"A....L O,\L Y AFTER T,.,E"'RS-:- K L~;,\G"RJST.

.. '7
/ .

\0 "ERT,i../ZA TiO,\ FOR GRASSES MO,\'ILD;-Lo\\ERS ;SRECOMMENDED UNLESS SOIL CONDITIONS ARE
VERY ;JOOR. WATER SEED AREAS DuRING T,"1E ESTABL. SHMENT YEAR ONLY. DO NOT FERTILIZE OR
....A TR SEED AREAS AFTER TdE ESTABLiSn'~ENT YEAR. SuPPLEMENTAL FERTiLIZERS AND WATER WILL
ONL'r' E\COG~AGE WEED GROWTH

18.

SE[O A.R[AS MAY B[ IAOl,ED OUR;\iG T,.,E ESTAB.... S,.,,V[,\T YEAR. MOrt' JUST ABOVE THE TOPS OF
Th[ CESR[C PLANTS, AND NO LO',VER. A"TER T"E ES:ABUSHMENT YEAR. IT is ONLY NECESSARY TO
MO.', SEED AREAS fVE.RY OTHER YEAR AC'iER A hARJ >(tLLlNG FROST TO REMOVE CROP RESIDUES.
[ARLiER VOMNG WIL_ DESTROY FL.O.....ERli...G STALKS OR F~OWER BUDS. MOWING TOO LOW WILL
DES~F?OY :n[ ABiliTY OF' TdE PLANT TO STORE ADEQuATE NUTRIENTS ;-OR SUBSEQUENT BLOOMS.
'AMJ ( -\A iWE S[ED/(\.GS l'';IL.L BENEFIT ;-RO&,1 BuRNiNG ~\HEN PLANTS ARE DORMANT. THIS MANAGEMENT
TEC'1'\ Q..)[ R[QUiRES A KNOWL[DGEABL[PROFESS;Of\;AL TO ENSURE SAFETY.

49.

~EI.f:JCRARY ~fE GRASS SEEJi!\G S,.,00~:; 3E '.W,',ED ~C A"'lEIGnT' 0;: 8-INC,"'lES T,.,[ FOLLO'rVING
S~;:'; \C ~O SET BACK T'S GRO,', Tr-o AND P~[ IE\T .RES[cJ,\G.

2C.

~.....[ CC\_JC.( C':;cN C[_~ CO\CRET[ B_CCK 30A~ RAIIP SHALL B[ BACK;:fLLEJ AND SEEDED WITh
S[[J:\G AS PER SEEJd-.:G.\ SPECI;:ICA T C,\S ~ ST[J 0\ SHEET 0- 12 OF' ThE DAM CONSTRUCTiON PLANS.

BARE ROOT VEGETATION

1. WHIPS/ SEEDLINGS MAY I1c OBTAINED FROM THE U.S. FOREST SERVICE OR OTHER SUPPLIER.
NCFS MAY BE CONTACTEC AT [phone]. WHIPS/ SEEDLINGS ARE SPECIFIED ON SHEET L-1.

2. WHIPS/ SEEDLINGS SHALL BE PLANTED IN SPRING. IMMEDIA TEL Y FOLLOWING DELIVERY TO THE
PROJECT SITE, ALL PLANTS WITH BARE ROOTS, IF NOT PROPERLY PLANTED, SHALL BE HEALED-IN
CONSTANTL Y MOIST SOIL I)R SAWDUST IN AN ACCEPTABLE MANNER CORRESPONDING TO GENERALLY
ACCEPTED HORTICULTURAL PRACTICES.

3. CONTRACTOR SHALL PR01 fCT THE PLANTS FROM DRYING OUT BY MEANS OF WET CANVAS, BURLAP
OR STRAW OR BY AN ACCePTABLE MANNER CORRESPONDING TO GENERALLY ACCEPTED HORTICULTURAL
PRACTICES WHILE PLANTS ARE IN TRANSPORT TO AND FROM HEALING-IN BEDS, OR ARE BEING
DISTRIBUTED INTO PLANTlt'G BEDS, OR ARE AWAITING PLANTING AFTER DISTRIBUTION. CONSIDERATION
SHOULD BE GIVEN IN RECARDS TO APPROPRIATE WEATHER CONDITIONS AND LENGTH OF TIME THE
ROOTS WILL REMAIN OUT OF THE GROUND.

4 SOIL IN THE AREA OF TR:E AND SHRUB PLANTlNGS SHALL BE LOOSENED TO A DEPTH OF AT
LEAST 5-INCHES. THIS 13 NECCESSARY FOR COMPACTED SOILS ONLY. BARE ROOT VEGETATION
SHALL BE PLANTED IN HC'LES MADE BY MATTOCK, DIBBLE, PLANTING BAR OR IN AN ACCEPTABLE
MANNER CORRESPONDING TO GENERALLY ACCEPTED HORTICULTURAL PRACTICES.

5. ROOT STOCK SHALL BE F LANTED IN A VERTICAL POSITION WITH THE ROOT COLLAR APPROXIMATELY
1/2-INCH BELOW THE SC'IL SURFACE. THE PLANTING TRENCH OR HOLE SHALL BE DEEP AND WIDE
ENOUGH TO PERMIT THE ~OOTS TO SPREAD OUT AND DOWN WITHOUT J-ROOTlNG. THE PLANT STEM
SdALL REMAIN UPRIGHT A\!D SOIL SHALL BE REPLACED AROUND THE TRANSPLANTED VEGETATION AND
TAMPED AROUND THE WHIP/ SEEDLING FIRMLY TO ELIMINATE AIR POCKETS.

PLANT TYPE AND SPAClNC SHALL BE AS SPECIFIED ON SHEET L - 1.

~
. THESE REVISIC NS RESULT IN A NET INCREASE OF ,24 ACRES
OF U.S. WATEi?S. (A DECREASE IN FILL OVER ORIGINAL DESIGN)
ISLAND AREA ,{EDUCED BY 50% .................= 1. 165 ACRES
ADDEO TRAIL J.REA & NEW BLDG. PIERS......= + .9.3 ACRES
EQUALS TO A/\ INCREASE IN U.S. WATERS...= .24 ACRES

OVERALL PROJECT INFORMATION
Bj~SS LAKE SHORELINE
&: DAM RESTORATION

SHEET C-1
IIIL ~ l 0 ~ 10'1'

"'11111,,,
", CAR I"
,,~~...........()~ :',
::~/{.. ~.<~
.. ~l ). , ".
.. \ ".
: ( 667 ::
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". " · 'D.........~..;." ..
" A \ "-\ "
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, I'

HOLLY SPRINGS TWP. OWNER

THOMPSON c!c ~ SOCIATES WAKE CO. NORTH CAROLINA
1 53 HOLLY SPRlt GS ROAD
HOLLY SPRINGS, ~: 27540 DATE 9/30/01 DRAWN VLH/RAL
(919) 577-,)808
FAX (919) 57~-0609 SCALE 1" - 100' SURVEYED

REVISIONS: 2/09/04

TOWN OF
HOLLY SPRINGS
ZONED R-40

JOB NO. JL-HOL9
DWG.
ASSDREDGRevSite2 04

7YPE 1
7YPE 2
7YPE 3
7YPE 4
ISLAND

NO COCONUT ROLL
NO COCONUT ROLL
350 LF: 10" ~ C 5 SQ. CM. DENS/7Y
NO COCONUT ROLL
2,008 LF: 10' ~ @ 5 SQ. CM. DENS/7Y

SECTiON 0-01 - APPROXIMATE
LOCA TiON. SEE SECTiON,
SHEET C-6

----
---"

. .)4S "

NATURE CONSERVANCY
BOUNDARY (7YP.)

APPROXIMA TE LOCATION OF
TEMPORARY ACCESS PATH
TO CROSS OVER EXISTING
CUL VERT IN CREEK

_'_'_1_1_1_1_1_1_1_..

PROPOSED SHORELINE EDGE
STACKED LOG EDGING
MULCH PATH

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LITTORAL ZONE.

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SECTION C-C1
SEE SHEET C-6

/'

SINGLE STACK TIMBER EDGING
@ 135 LF & 4" SAND @ :t 18 CY
(0.034 AC). SEE NOTES 2 & 3,
THIS SHEET

,-

/'
,-

~~ - .---

(7// / / /~

FISH GRAVEL SPAWNING BED

....-
,/

HARDWOOD LOG EDGING #2
3 STACK ROWS @ 392 LF EA.
SEE NOTE 4, THIS SHEET

I

r .' . . . (, ..'c',' "1
. :', ,.../ .~ -, ....'. '."'.".', : ,. . . .' \ .

HABITAT ISLAND

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335 - -- -.

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SECTION A-A 1
SEE SHEET C-6

--

SAND BEACH W/ TIMBER EDGING

n
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PROPER7Y BOUNDARY

TEMPORARY ACCESS PATH
ACROSS STREAM
NA TURE CONSERVANCY BOUNDARY

f--
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ff':J

j] 2 .~ .
.

SAND BEACH (SB #2)
6 "x6" SINGLE STACK TIMBER EDGING
@ 151 LF: 4" SAND @ :t 25 CY
(0.05 AC). SEE NOTES 2 & 3,
THIS SHEET

EXISTING SANITARY SEWER LINE

w
w
en

------...
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SAND BEACH (SB # 1 )
6"x6" SINGLE STACK TIMBER EDGING
@ 162 LF: 4" SAND @ i: 27 CY
(0.05 AC). SEE NOTES 2 & 3,
THIS SHEET

-------

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,

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HARDWOOD LOG EDGING # 1
3 STACK ROWS @ 259 LF EA.
SEE NOTE 4, THIS SHEET

.317~

"

FUTURE BOARDWALK
(NOT IN CONTRACT)

"

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Z
--l

316.9
.

....

EXISTING WETLAND VEGETATION WITHIN
THE LAKEBED TO BE RELOCATED AND
TRANSPLANTED PRIOR TO DREDGING THE
LAKE BED AS PER THE VEGETATION
MANAGEMENT PLAN ON SHEET C-1.
ALL REMAINING VEGETATION NOT USED
FOR PROPOSED PLANTlNGS SHALL BE
CUT DOWN TO GROUND LEVEL PRIOR
TO REFILLING THE LAKE

"

SECTION 8-81
SEE SHEET C-7

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317 :,

.
.316.': .

.,

FUTURE WOODEN DECK
(NOT IN CONTRACT)

NEW 8' WIDE MULCH PATH
SEE NOTE 1, THIS SHEET.
SEE SECTION, SHEET C-6
SEE DETAIL, SHEET C-7

NEW 2.33 AC HABITAT ISLAND.
SEE GRADING PLAN, SHEET C-4
AND SECTIONS, SHEET C-6
(SEE ALTERNATE HS-4 ON COVER SHEET)

"

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rr-y- __

II"'"

HARDWOOD LOG EDGING #3
3 STACK ROWS @ 75 LF
SEE NOTE 4, THIS SHEET

316.3
.

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· .3 15.7

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314\'
· 315.2

OLD
Fe #1
RELOCATED

,
~

NEW LAKE EDGE

........

CUT ALL VEGETATION THROUGHOUT LAKE BED
TO LEVEL OF EXISTING LAKE BOTTOM JUST
PRIOR TO RE -FILLING OF BASS LAKE TO
REMOVE VEGETATION AND PREVENT
VEGETA TION FROM RESPROUTlNG

. ........,

. .

.---- ----....

I
I

.j1~./j

.uIIQBAL ZQtiES:
LZ # 1 0.25 ACRES
LZ #2 0.24 ACRES
LZ #3 0.03 ACRES

SEE SHEETS L-1 & L-4 FOR
PLANTING RECOMMENDATIONS

\
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.315.1

r---- ~
1.314.6)
, .
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~4
FB #1 220 LF (0.10 AC) RELOCATED/ADD) 484 LF ~0.20 AC~
FB /1..2 140 LF (0.06 AC) FB #2 140 LF 0.06 AC
FB #3 150 LF (0.07 AC) FB #3 150 LF 0.07 AC
FB #4 150 LF (0.07 AC) FB #4 150 LF (0.07 AC)
FB #5 280 LF (0.13 AC) FB #5 280 LF (0.13 AC)
FB #6 220 LF (0.10 AC) (REDUCED) 152 LF (0.05 AC)
FB #7* 720 LF (0.20 AC) (REDUCED) 584 LF (0.27 AC)

TOTAL AREA (THIS SHEET) A 1,940 LF (0.85 AC)
TOTAL AREA 2,685 LF (1.24 AC) 2,745 LF (1.23 AC)
* INCLUDES 12' WIDE GRAVEL HAUL ROAD TO REMAIN
SEE NOTE 5, THIS SHEET
SEE ALTERNATE HS-5 ON COVER SHEET

"
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(

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l,....... 1
~ 1___

RELOCATED
NEW FB #1

EXISTING 50' SEWER LINE
& EASEMENTS
BEGIN 8' WIDE MULCH PATH
. AT EDGE OF BOAT RAMP
j

(~
f ? BOAT RAUP: DELflFD FROM PROJECT
I ( CONLOCK /I 4" OPEN CELL
~t INTERLOCKING CONCRETE BLOCK
RAMP SIZE :t 16'x89'. SEE
SHEET 0-5 FOR LOCATION LAYOUT
SEE DETAIL, SHEET C-7

TYPE 1
TYPE 2
7YPE 3
7YPE 4

4-STACK LOG ROW 817 LF TOTAL.
3-STACK LOG ROW 1,542 LF TOTAL
3-STACK LOG ROW 651 LF TOTAL
NO STACK LOG EDGING

I
/

NEW

. ;' ,
./
.(
'\
I

1/

\.

EXISTING BOATHOUSE
TO BE REMOVED

.HQI.ES :
1. 4" DOUBLE SHREDDED HARDWOOD MULCH SHALL BE USED
PEDESTRIAN PA THWA YS.
2. ZONE 3 SAND BEACHES SHALL CONSIST OF 4" CLEAN, WASHED SAND OVER
140-NL NON- WOVEN EROSION CONTROL FABRIC.
3. TIMBERS AT SAND BEACH EDGE SHALL BE SINGLE STACK, 6"x6" CCA PRESSURE TREATED
TIMBERS AND SHALL BE TOE-NAILED TOGETHER WITH 40-PENNY NAILS. 113 REBAR 0
24" - 36" LENGTH SHALL BE USED TO ANCHOR TIMBERS. SEE SHEETS C-6 FOR
CROSS-SECTION AND C-7 FOR DETAIL.
4. STACKED HARDWOOD LOG EDGING SHALL BE 8" DIA. MIN. TO 3-STACK OR 4-STACK
LAYERS TO 24" HT., REGARDLESS OF ACTUAL LOG SIZE. LOGS SHALL BE 8' MIN. WIDTH
AND JOINTS SHALL BE STAGGARED FOR STABILl7Y. LOGS SHALL BE EMBEDDED INTO SOIL
AND ANCHORED WITH #8 GAUGE WIRE AND 4' HT. 2"x4" HARDWOOD STAKES ~ 3 STAKES
PER LOG SECTION. SEE CROSS-SECTIONS, SHEET C-6.
5. FISH SPAWNING BEDS SHALL BE 6-INCHES CLEAN WASHED GRAVEL 0 6" MIN. THICK 0
20' WIDTH ALONG SHORELINES. GRAVEL SHALL BE PLACED AT 24" DEPTH AT FINAL POOL.
6. EXISTING 50' SEWER EASEMENT SHALL BE UTILIZED FOR EQUIPMENT AND MA TERIAL
ACCESS AND MOVEMENT THROUGHOUT THE SITE. CONTRACTOR SHALL REPAIR ANY
EXISTING STRUCTURES THAT ARE DAMAGED, AT NO COST TO THE OWNER.
7. EXTREME CARE SHALL BE USED TO PROTECT EXISTING TREE BUFFER AREAS ALONG
EXISTING SHORELINE EDGE. EXISTING BUFFERS TO REMAIN UNDISTURBED.
8. DEMOLITION SHALL INCLUDE REMOVAL AND DISPOSAL OF EXISTING BOATHOUSE
AND DOCK, AS WELL AS ANY VEGETATION WITHIN PRIMARY LAKE BED GRADING AREAS.
SEE DAM CONSTRUCTION PLANS FOR ADDITIONAL DEMOLITION REQUIREMENTS.
9. FILL MATERIAL SHALL NOT BE DEPOSITED OR DISCHARGED INTO WETLANDS OR
FLOODPLAIN AREAS.
10. SEE RIPARIAN BUFFER CROSS-SECTIONS, SHEETS C-7 FOR SPECIFIC CONSTRUCTION
DETAILS. SEE SHEET L -1 - L -4 FOR PLANTING DESCRIPTIONS, QUANTITES
AND DETAILS
11. SEE SHEETS C-4 & C-5 FOR GRADING PLAN ENLARGEMENTS.
12. SEE SHEET C-3 FOR SITE PLAN ENLARGEMENT CONTINUATION.
13. SEE SHEET C-3 FOR CONTINUATION OF SHORELINE TREATMENT TYPES.
14. SEE SHEET C-1 FOR OVERALL BORROW AND DREDGING SUMMARY.

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.
314.9

...

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\f:.-,', 50' ~RiVARY CONCRET[
S;J~_,',AY A,/ ,V;NCr',ALLS
S~5: ~".J:JI\,E~R/NG PLANS

\~,', TO? or:- DAM @ :r 540 u:
5[5: ~i\:J'\E[Rr...c PLANS

'-
,
I

7YPE 1 :t817 LF (:to.75 AC) 00000000000
NATIVE TREE/SHRUB SHORELINE VEGETATION TREATMENT; LIVE STAKING;
LUNKER LEAN-TO WITH HARDWOOD LOG EDGING; PERMANENT EROSION
CONTROL FABRIC

. j1.L~

\[,', q:?RAP SP,-,- WAY CHANN~L.
S5:5: 5:N:J:NEERtNG PLANS r:-OR
c....j.', \E', DESIGN. StE SHETTS
" ~ &. ~-J F'OR STABIIIZATIO",J
1,1:. '.,JuS &: IEGETA TlON
RC)..... REVU'-iTS

"

~~

",

7YPE 2 :t1.542 LF (:to.71 AC) ***********
NATIVE TREE/SHRUB SHORELINE VEGETATION TREATMENT; STACKED
HARDWOOD LOG EDGING; PERMANENT EROSION CONTROL FABRIC

\
\
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, .

j122
.

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...
,

N.C. GRID (NAD 83)
ALL DISTANCES ARE HORIZONTAL
GROUND MEASURED IN FEET

.",.-!
,

./

.....-

" ,

7YPE 3 :t350 LF (:i:0.19 AC) ................
FOCAL POINT - PEDESTRIAN ZONES;
SAND BEACH AREA WITH NATIVE WETLANDS VEGETATION IN ADJACENT
LITTORAL ZONES; CARRY SAND TO WATERS EDGE AT POINT; NATIVE
TREE & SHRUB VEGETATION BEHIND PATHWAY; COIR FIBER ROLLS;
STACKED HARDWOOD LOG EDGING; EROSION CONTROL FABRIC

~
--- -'-

'~..~.:.

., '. \

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'I \
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EXISTING SEWAGE
PUMP STATION
/

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--

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312.~

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SITE PLAN - SHEET 1 OF 2
BASS LAKE SHORELINE
(~ DAM RESTORATION

10C

2::

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'f .-,:......"
x' :Y
.310
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---- -

---
--

HOLLY SPRINGS TWP. OWNER

TOWN OF
HOLLY SPRINGS
ZONED R-40

SHEET C-2
... d-b. ~,t.

\\\ CAR '"
,'~~..o...o...()~,;'"
~~/(....~0080~
.... )\ -
~/J{ 667 1'~
':"Yl\ I~:
, ~ '. o. 4lt
-:., -;';%8008 ...~,p'$
'I 'D80.0.0000~~"
I, A LI>-\ \'
R III1 '~''''''

TYPE 4I683 LF (IOA7 AC: THIS SHEET) -..-..-..-..-
:i:2,380 LF TOTAL
PERMANENT EROSION CONTROL FABRIC; PERMANENT SEEDING ONLY
ALTERNATE: WIDELY SPACED WOODY VEGETATION (SEE PLANT LIST,
SHEET L-1)

--

,
v

I

'.
....." '......... ~"---'-.,t......,.

~.._. -
: '

)..

SCALE 1". .,:J .

THOMPSON c!c } ESOCIATES WAKE CO. NORTH CAROLINA
1 53 HOLLY SPRt ~ 35 ROAD
HOLLY SPRINGS, I\C 27540 DATE 9/30/01 DRAWN VLH/RAL
(919) 577-C808
FAX [phone] SCALE 1. - 100' SURVEYED

JOB NO. JL-HOL9
DWG.
BASSDREDGRevSlte2 0

~OTAL INNOVATIVE SHORELINE STABILlfATlON - "~5:f)B9 tF;-3:29~Ac-
INCLUDES TREATMENT TYPES 1 - 4

SEE SHEET 0-5 FOR SURVEY BENCH MARK
LOCATIONS AND NAD 83 LOCALIZED GRID
COORDINATES.

,

, '

REVISIONS: 2/09/04

PIN 0658.02-88-203.3

.

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..... ... , ... - 1 ~.... 1 _ -"-, -
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. . .- -- ~ - 325.3 ,---- --- ---

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(,1, . ~-:*: 327.2 . \: r' ·
..x. 326.5 1-.' 32..l. 8
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-, ;~:=:.._~ ~'~":'.- ..... ...., - / ,/ -- , \ '-, -
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...... "' /" 'tr -- '0 ...... ..............
-X," ............... /' '. ~, I:' ''',

3<o~:~:::~~~J~-< ,">....____j,/;{V't A7~~~~~'

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I

EXISTING 6' BEAVER DAM @ :t 7' ..--IT
ABOVE EXISTING GRADE TO REMAIN
UNDISTURBED. REMNANTS OF OLD
WOOD STRUCTURE IS EVIDENT.
SOIL & VEGETATION HAVE FILLED
AND STABILIZED OLD STRUCTURE

--

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.324.2
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EXiST',':G ~\ET:__M\iO AREA
TORE}.1/..:t-J Jt';JfSTURBEO

\

ENO 8' MULCH PATH AT CREEr<
FUTURE 8' WIDTH WOODEN
BOARDIVALK @ 78,5 LF'
(NOT IN CO,':TRACT)

\
1

-----
.----

.--

_1_ _1- _1_ _,_ _1- _1-

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AND PATHWAY

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I[G~T;' T ~... ~.....KCivG,.,Ov T ~,(~ 8~D

FUTURE 8' WIDTH WOODE,\ BOARD~VALK
@ 198.25 LF (NOT IN CONTRACT)

TO ...~/~... O~ ~X 5T \G ....A-<~ BOTTO'i ...JST
PRiOR TO R~-~__ \G O~ BASS ....Ar<~ ~O
,R[MOVE VEGUA7",O\ A''i:J PR::VENT
iEGUA TION FROI.1 R::SPROJTING

TYPE 4x 1.697 LF ex 1.,32 AC: THIS SHEET) _11_11_11_11-
:t2,,380 LF (1.79 AC) TOTAL
PERMANENT EROSION CONTROL FABRIC; PERMANENT SEEDING ONL Y
WITH WIDELY SPACED WOODY VEGETATION. SEE PLANT LIST, SHEET L - 7.
(AL TERNA TE HS - 1 )

~:

1. 4" DOUBLE SHREDDED HARDWOOD MULCH SHALL BE USED FOR ALL NEW PEDESTRIAN
PA THWA YS.

2. FISH SPAWNING BEDS SHALL BE 6-INCHES CLEAN WASHED GRAVEL 0 6" MIN. THICK
o 20' WIDTH ALONG SHORELINES. GRAVEL SHALL BE LOCATED AT 24" WATER DEPTH.

J.

EXTREME CARE SHALL BE USED TO PROTECT EXISTING TREE BUFFER AREAS ALONG
EXISTING SHORELINE EDGE. EXISTING BUFFERS TO REMAIN UNDISTURBED,
DEMOLITION SHALL INCLUDE THE REMOVAL AND DISPOSAL OF ANY EXISTING VEGETATION
WITHIN PRIMARY LAKE BED GRADING AREAS. SEE DAM CONSTRUCTION SHEas FOR
ADDITIONAL DEMOLITION REQUIREMENTS.

FILL MATERIAL SHALL NOT BE DEPOSITED OR DISCHARGED INTO WaLANDS OR
FLOODPLAIN AREAS.
SEE RIPARIAN BUFFER CROSS-SECTIONS, SHEas C-7 FOR SPECIFIC CONSTRUCTION
DaAILS. SEE SHEa L-1 - L-4 FOR PLANTING DESCRIPTIONS, QUANTlTES
AND DaAILS
SEE SHEas C-4 & C-5 FOR GRADING PLAN ENLARGEMENTS.
SEE SHEa C-J FOR SITE PLAN ENLARGEMENT CONTINUATION.
SEE SHEa C-2 FOR CONTINUATION OF SHORELINE TREATMENT TYPES.
SEE SHEa C-1 FOR OVERALL BORROW AND DREDGING SUMMARY.

4.

5.

6.

7.
8.
9.
10.

~/!S~,'\G ,V~T"';"\J /~G~~A.... 0\ ,\'ITH'\ r,~E
~x S""'\G ....A-<~B~J :0 B~ RE~OCA T~C .~ \0
.,..R/."'S;:;....A..T~C ;X<OR ~c JR~JG\,-:; -,,:-
~x,STi.\G ....A,(~ 5~C ;.5 ;;~R T,'1~ /~C:'.:, ""0,\

It'fA:'\''AG[...~E\'''' ~.....r\~.'" s~~~"'" c--- ~

PROPOSED SHORELINE EDGE
MULCH PATH
FISH GRAVEL SPAWNING aED

{/ / / / / /~

Fa #8
Fa #9
Fa '# 1 0
TOTAL AREA (THIS SHEa)
TOTAL AREA

~ig ti ~g:; ~ ~gj
,300 LF ~O, 14 AC
805 LF (0.38 AC)
2,685 LF (1.24 AC)

SEE NOTE 5, THIS SHEa
SEE ALTERNATE HS-5, SHEET C-1

SITE PLAN - SHEET 2 OF 2
E~\SS LAKE SHORELINE
Sc DAM RESTORATION

EXISTiNG LAKE BED TO REMAIN UNDISTURBED
EXCEPT FOR FISH SPAWNING AREAS AND
CUTTING OF EXISTiNG VEGETATION

'-
----

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/.~'- O,5TANCES ARE HORIZONTAL
GROUND MEASuRED IN FEET

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2

HOllY SPRINGS TWP.

1""
uu

50

200
I

THO~PSON '" } 5SQCIATES WAKE co.

DATE 9/.30/01

'5.3 HOll"" S~RI ~.:;s ROAD
HOllY SPRINGS, I\C 27540
(919) 577- C808
FAX (91~) 57/-0609

lOa
I
I

o
I
I

SCA..E 1" - 1 00 '

SCALE 1. - 1 00'

REVISIONS: 2/09/04

SHEET C-3
- ~1 oq[D~

\\\"11'",
,,\ CAR '"
,'~-(\......... 0<, :',

ff~~t...~.O\;A
: ( 667)1:
:jO , .:
":"YJ \ Irs:
...~~o: o.o~
DRAWN VlH/RAl JOB NO. Jl-HOl9 .."':?vtO.....OO~~".. ...
DWG. [) 'Ii; ~~,l~\\~'
3ASSDREDGRevSite2 04L ' II '.'~ ""-1 ~~
L l~^'" ~ /
IPIN 0658.02-88-20.3.3 .. 1(..... tool

IOWNER

TOWN OF
HOllY SPRINGS

NORTH CAROLINA

ZONED

R-40

SURVEYED

v

PERMANENT EROSION CONTROL FABRIC
B: NORTH AMERICAN GREEN C-125 MATTING @ f:817 LF x 10' W
C-1: MIRAFI 140-NC NON-WOVEN FILTER FABRIC C f:817 LF x 10' W
C-2: MIRAFI 140-NC NON-WOVEN FILTER FABRIC C f:817 LF x 10' W

ACTUAL DISTANCE FROM SS MANHOLE TO EXISTING
GRADE MAY VARY PER EACH MANHOLE LOCATION
LIVE STAKING: SEE PLANT SUMMARY SHEET
FOR SPACING AND PLANT DESCRIPTION
C-350 EXCELSIOR MATTING BY NORTH
AMERICAN GREEN. TIE DOWN TO TOP
OF LOGS
STACKED HARDWOOD LOGS ALONG
SHORELINE. LOGS SHALL BE 8" MIN.
DIAMETER. ANGLE LOGS ONTO REBAR.
ANCHOR WITH 8-GUA. METAL WIRE \
6.41' \ 3.0'

----~~1--~

t t
2 ~-q-
1 r::::::;; / /' ~

PERMANENT EROSION CONTROL FABRIC
B: NORTH AMERICAN GREEN C-125 MATTING G f:1,542 LF x 12' W
C: MIRAFI 140-NC NON-WOVEN FILTER FABRIC C :t1,542 LF x 10' W

8' DOUBLE SHREDDED HARDWOOD MULCH PA TH ~
TO 4" DEPTH - TO BE FIELD LOCATED \
\,

LOCA TE TREE PROTECTION
- FENCING ALONG OUTER EDGE
EXISTING TREE LINE

STACKED HARDWOOD LOGS ALONG
SHORELINE. LOGS SHALL BE 8" MIN.
DIA. EMBED LOG INTO SOIL. ANCHOR
WITH #8 GUAGE WIRE & 4' HT. 2"x4"---,
STAKES C 3 STAKES PER LOG \
\

LOCA TE TREE PROTECTION FENCING ALONG OUTER
EDGE OF EXISTING TREE LINE

ZONE

FISH GRAVEL
SPAWNING BED

ZONE W

ZONE M

PA THWA Y

7.5'

6.0'

l
\
\

8.0'
PATHWAY

i 2.18'

8.0'
ZONE M/U

20.0'

8' DOUBLE SHREDDED HARDWOOD MULCH PATH ~
TO 4" DEPTH - TO BE FIELD LOCATED
:f:6.0' 6.0' 8.0'

+ 328.25

- -. - - - - - - - - - - - - - - - - - - -
....- - -- ..- .-

4%_

\ 3% MAX.
.25 + -

327
326
325
324
323
322
321
320
319
318

50- Y~ ,20RM _ _

LEAN- TO LUNKER
STRUCTURE - #5 -
REBAR @ 5' VERT.,
#5 REBAR: f: 7' @ 60.

"

...

~....

327
326
325
324
323
322
321
320
319

.---- ~- -

327
326
325
324
323
322
321
320
319

-----------..

FILL MATERIAL PER LF = 7.92 CY
TOTAL TYPE 1 LENGTH = 817 LF
7.92 CY X 817 = 6457 CY

J 327
326
325
324
323
322
321
320
319
318

50- YEAR STORM

C-2

-

- --- Ei -GRADE

N.QIiM~1::1J~ IT!! l-~.v!b..

EX. Si~ J\ot

NORMAL wAfER LEVEL
!

2
1 :--

. EX. GRADE
~EROSION CONTROL FABRIC
SEE CHART, THIS DETAIL
TOE IN TO EXISTING GRADE

FILL MATERIAL PER LF = 1.07 CY
TOTAL TYPE 2 LENGTH = 1.542 LF
1.07 CY X 1,542 = 1856 CY

------~-------------
t

SECTION A-Ai: TYPE 1 INNOVATIVE SHORELINE DREDGE STABILIZATION
SCALE: 1/4" = 1'-0"

SE_CItO\._B=-_Bl :_I_YPE 2 INNOVATIVE SHORELINE DREDGE STAB[LIZATION
SCALE: 1/4" = 1'-0"

NOTE:
CROSS-SECTION IS SCHEMATIC IN NATURE AND IS TO PROVIDE
AN OVERALL TREATMENT APPROACH TO TYPE 4 RIPARIAN BUFFER
EXTENSION AND ST ABllIZA TION,

SPECIFIC FOCAL POINT AREA - REMAIN OPEN DUE
TO ANTICIPATED PEDESTRIAN ACCESS AND USAGE
SAND BEACH: FILL WITH 4" CLEAN WHITE SAND FROM
PATH TO SHORELINE EDGE. UNDERLAY WITH PERMANENT
EROSION CONTROL FABRIC

:t9.65'

4.29'

LOCATE fREE PROTECTION FENCING ALONG OUTER
EDGE OF EXISTING TREE LINE

, .....

... t ...

14.16'
/
I
FISH GRAVEL SPAWNING BED
C 24" MAX. WATER DEPTH
SEE PLANS, SHEETS C-2 &
C-3 FOR ACTUAL LOCATIONS

PATHWA\;..
8' DOUBl E SHREDDED HARDWOOD MULCH
PA TH C 2.248 LF TO 4" DEPTH - TO BE ---,
FIELD LO:A TED I

I

10.9'

8.0'
PATHWAY

PERMANENT EROSION CONTROL FABRIC
C-1: MIRAFI 140-NC NON-WOVEN FILTER FABRIC C :t281 LF x 16.0'
C-2: MIRAFI 140-NC NON-WOVEN FILTER FABRIC C :t281 LF x 9.5' W

COIR FIBER ROLL: 10" DIA. 0 5 SQ. CM
DENSITY 0 f:281 LF. ANCHOR WITH 4' HT.
2"x4" STAKES @ 3 STAKES PER LOG

LITTORAL ZONES C 30' MAX. WIDTH
LOCA TED ADJACENT TO EACH SIDE OF

SEE SHEET C-2 FOR EXACT LOCATION I

STACKED HARDWOOD LOGS ALONG !
SHORELlNEG f:281 LF. LOGS SHALL II
BE 8" MIN. DIAMETER. EMBED LOG 'I
~.J~LS~I~E ~N~,H~~. ~~4'#~T1~~'s '
C 3 STAKES PER LOG l

30.0' MAX.
ZONE W ZONE E

TYPE ,,3 SHORELlt\,E ARE.:. (0'0 ':'C TC~':"_;

PERMANENT EROSION CONTROL F ABRie
A: NORTH AMERICAN GREEN C- .350 MATTING C :t2,248 LF x '2' W
B: NORTH AMERICAN GREEN C-125 MATTING C f:2,248 LF x 8' W
C: MIRAFI 140-NC NON-WOVEN FILTER FABRIC C f:2.248 LF x 9' W

6"x6" CCA PRESSURE TREATED TIMBER BORDER
SEE DETAIL, SHEET --

8' DOUBLE SHREDDED HARDWOOD MULCH PATH
G 281 LF TO 4" DEPTH - TO BE FIELD LOCATED

327
326
325
324
323
322
321
320
319

EX. GRADE

327
326
325
324
323
322
321
327
320
326
319
325 318
32.~ 317
323
316
322
321
;>fO
319

I

: 50- YEAR STORM I
'---------------------1----------

, I H -,--'-,

FISH GRAVEL SPAWNING BED -'- "J#.:x:)/
C 24" MAX. WATER DEPTH 2 ~~t1~,. /.
SEE PLANS, SHEETS C-2 & A 1 I", "'..:~:/ /;/
C-3 FOR ACTUAL LOCATIONS ..:~'-.>
~ " '-, /, "/' /
.....-:: .I , ' , " ,
..., .,

. _- - - - -' -EX. -GRADE.-
~

C

327
326
325
324
323
322
321
320
319
318
317
316

NORMAL WATER LEVE
---------- i6i,
':~,

- 5.0"

8.0'
I PATHWAY

-l----~-----
i I
I, i3~ MAX. 324.50 I
~24.10 -

6.5'
ZONE M

LOCA TE TREE PROTECTION
FENCING ALONG OUTER EDGE
i~ OF EXISTING TREE LINE

// " / ,-'
, , ". /

15.0'
SAND BEACH

,/
/

EROSION CONTROL FABRIC
SEE CHART, THIS DETAIL

/ /,' /' -' '

I
I
i
r--------

l323.35
~j .,--,j.:'.'.- '.C~"':1-~
.~

NORMAL WATER LEVEL I
4------------------------------------------1-----~
, I ~..: .

,,' ~' /' /"/~

2
EROSION CONTROL FABRIC -
SEE CHART, THIS DETAIL
WRAP EROSION CONTROL FABRIC
UNDER COCONUT COIR FIBER ROLL
WITH STAKE DRIVEN THROUGH FABRIC

FILL MATERIAL PER LF = 0.63 CY
TOTAL TYPE 1 LENGTH = 350 LF
0.63 CY X 350 = 220 CY
TOTAL BEACH SAND VOLUME = 70

,. -' '

50- YEAR STORM _ _ _ _ _

,.-

EROSION CONTROL FABRIC TO
3' BELOW NORMAL WATER LEVEL

. '..~ ~. .'_._J-

EX. GRADE

FILL MATERIAL PER LF = 4 CY
TOTAL TYPE 4 LENGTH = 2,380 LF
4 CY X 2,380 = 9,520 CY

- - ,

SECTIO:; D- Dl: T'{PE ~4 INNOVATIVE SHORELINE DREDGE STA:~ILIZATION
SCALE: 1/4" = 1'-0"

NOTES:

SECTION C-Ci: TYPE #3 INNOVATIVE SHORELINE DREDGE STABILIZATIO:;
SCALE: 1/4" = l' -0"

REVISIONS:

SURVEYED
8 /23/0 1
2/09/04

DRAWING

SHEET C-6
IDL ~(o't o~
\\"\""//
\\\ CAR '"
~,,'~~..........~~~~~
{~(f~\Y'
~iO \\ Q}fS::
":.~.... ..._~'$
, ~, · 'o........."c..;..., ~
" A ,~\'
"/' . \\\
HI" '0.

LEGEND
F ... FLOATING MACROPHTE >1' INUNDATION
E .. EMERGENT: l' INUNDATION TO BANK
W = WET BANK, LOW SLOPE
M = MOIST SLOPE
U - UPPER SLOPE
50- YEAR STORM ELEVATION = 327.60'

FILL D CUT

1. STACKED HARDWOOD LOG EDGING SHALL BE TO 24" HEIGHT. REGARDLESS OF ACTUAL
LOG SIZE OR STACKING LAYERS.

2. SEE SPECIFICATIONS FOR COMPACTION PERFORMANCE REQUIREMENTS OF ENVIRONMENTAL
RESTORATION SITES.

3. SUITABLE SOIL BORROW MATERIAL SHALL BE DEPOSITED ONTO EXISTING GRADE AND BUILT
UP TO ONE-FOOT BELOW FINISHED GRADE. ONE-FOOT OF SEDIMENT BORROW MATERIAL
SHALL BE DEPOSITED OVER SUITABLE SOIL TO FINISHED GRADE. THIS APPLIES TO ALL
SHORELINE STABILIZATION AREAS EXCEPT THE HABITAT ISLAND.

4. THE HABITAT ISLAND SHALL BE CONSTRUCTED ENTIRELY FROM SEDIMENT BORROW MATERIAL.

6. PORTION OF STACKED LOG TIMBER EDGING MAY BE OBTAINED FROM ON-SITE CLEARING
AND GRUBBING BELOW THE EXISITING DAM. BRuSH AND ROOT WADS TO BE USED FOR
FISH HABITAT ALONG ISLAND AND SHORELINE BUFFER EDGES.
7. SEE SHEETS C-2 &: C-3 FOR LOCATIONS OF TYPES , -4 SHORELINE STABILIZATION TREATMENT
8, SEE L-l THRU L-4 FOR ACTUAL PLANTING REQUIREMENTS PER EACH SHORELINE TYPE.
SEE SHEET L-1 FOR TOTAL PLANT LISTS.
9. SEE SHEET C-1 FOR ALTERNATE HS-4.
10. TOTAL FILL VOLUMES REFLECT A 1 O~ VOLUME INCREASE FOR ANTICIPATED SHRINKAGE.

BIO-TECHNlCAL SHORELINE & VEGETATION PROFILES
BAS 3 LAKE RESTORATION &
SHORELINE STABILIZATION

THOt.tPSON '" ASS )CIATES WAKE CO.
1 53 HOLLY SPRINGS ROAD
HOLLY SPRINGS, NC 27540 DATE 1 /2/0 ~
(919) 577-08(6
FAX (919) 577-( f09

NORTH CAROLINA

TOWN OF
HOllY SPRINGS
ZONED

HOLLY SPRINGS TWP. OWNER

DRAWN VLH/RAL

JOB NO. JL-HOl8

SCALE: NTS

D aSSdredgeRevSi te. dwg

PIN

J

")

4

...

CONSTRUCTION SCHEDULE

1. Obtain 0 land-disturbing permit. Schedule 0 preconstruction
conference with the Regional Engineer.

2. Inl)tull grovcl Cl.)nl)tructlon pud, lCrTllJurury OIlier I)IUII:l. :lill
fence, sediment basins or other measures os shown on the
approved plan. Clear only os necessary to install these
devices. Seed temporary diversions. berms and basins
immediately after construction.

3. Call for on site inspection by Environmental
Inspector to obtain Certificate of Compliance.

4. Begin clearing and grubbing. Maintain devices os needed.
Rough grade site.

5. Install storm sewer, if shown. and protect inlets with block
and grallel inlet control. sediment traps or other approved
measures os shown on the plan. Begin construction, building. etc.

6. Stabilize site os areas ore brought up to finish grade with
vegetation, paving, ditch linings. etc. Seed and mulch denuded
areas within 15 working days or 30 colander days of completion
of any phose of construction.

7. When construction is complete and 011 areas ore stabilized
completely, call for inspection by the Regional
Engineer

8. If site is approved, remove temporary diversions, silt fencing
sediment basins, etc., and seed out or stabilize any resulting
bare areas. All remaining permanent erosion control dellices,
such as velocity dissipators, should now be installed.

9. When vegetation has become established. call for final site
inspectian by the Regional Engineer.
Obtain a Certificate of Comple1ion.

Regional Engineer

Office H
571-4700

John Holly

SEEDBED PREPARATION

" .)

CHISEL COMPACTED A~EAS AND SP~EAD rOP$OIL j INCHE::.
DEEP OVER ADVERSE SOIL CONDITIONS. If AVAILABLE.

RIP THE ENTIRE AREA TO 6 INCHES DEPTH.

REMOVE ALL LOSE ROCK, ROOTS. AND OTHER OBSTRUCTIONS
LEAVING SURFACE REASONABLY SMOOTH AND UNIFORM.

APPLY AGRICULTURAL LIME, FERTILIZER. AND SUPERPHOSPHATE
UNIFORMLY AND MIX WITH SOIL (SEE BELOW.).

CONTINUE TILlAGE UNTIL A WELL-PULVERIZED, FIRM
REASONABLY UNIFORM SEEDBED IS PREPARED 4 TO 61NCHES DEEP.

SEED ON A FRESHLY PREPARED SEEDBED AND COVER
SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING.

MULCH IMMEDIATELY AFTER SEEDING ANDANCHOR MULCH.

2.)
3.)

4.)

5.)

6.)

7.)

8.) INSPECT ALL SEEDED AREAS AND t.W<E NECESSARY REPAIRS OR
RESEEDINGS WITHIN THE PLANTING SEASON, IF POSSIBLE.IF
STAND SHOULD BE OVER 60~ DAMAGED, REESTABUSH FOLLOWING
ORIGINAL UME. FERTIUZER AND SEEDING RATES.

9.) CONSULT CONVERSATION INSPECTOR ON WJNTENANCETREAThAENT
AND FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED.

. APPLY: AGRICULTURAL LIMESTONE - 2 TONS/ ACRES (3 TONS/
ACRE IN CLAY SOILS)
FERTILIZER - 1,000 Ibs. / ACRE -10-10-10
SUPERPHOSPHATE- 500 Ibs> / ACRE -20" ANALYSIS
MULCH -2 TONS / ACRE - SMALL GRAIN STRAW
ANOTHER - ASPHALT EMULSION 0 300 GALS./ ACRE

SEEDING SCHEDULE

DAM AND EMBANKMENT SLOPES

DATE

TYPE

PlANTING RATE

Mar 1 - Jun 1

TOll or Hard F..cu.

300 ID./ocre

"

(War 1 - ~ 15)
(Mar 1 - Jun 30)
Jun 1 - Sep 1

120 IDa/OCt.
2~ IDe/ocr.
120 IDa/acre
J5 Ibl/oe,..
JO Ib./oer.
120 Iba/oere
25 Ibl/oere

S.p 1 - War 1
(NOli 1 - Mar 1)

Add Toll Faeeu.
Or Add Hull.d Common Bermu<lo~ro..
--rOil f..cu. and
-Browntop Will.t
-or Sorghum-Sudan Hybrid.
Toll f.ac:u.
Add Abruzzi Ry.

Con.ult ConHrvotlon EnQln..r Of Soli Con..rvotlon Slrvlc. for
additional InformoUon concarnln~ oUlat ollemoUv.. lor vag. lotion 0'
d.nuded oreo.. Th. obov. l!eQ.totlon rot.. or. tho.. whiCh do w.1I und.r
local c:onditiona; oth.r ...dill9 rota comDinotion. or. poUibl..

In no COM Ihall Weeping l.cMgIaea or Crownvetch be planted or uMd on the dam.

...T.mporof)l - R.aHd aecordill9 to optimum .1<I.on tor d..ir.d parmon.nt
VI9.tation. Do not allow t.mporoty COli'" to IIrow ovar , 2" in h'"lIht !>Itore
mowing, oth.rwia. tNCU' may bI ahaded out.

NOTES;

___~._.aoa&L__
_ ...-..~ .r_ -.... CUIIIU~"'_._
-_..~...-..._-_...-
- .....cr_ItI~M......___..._.__
- 000 _1'IIlIICID_"'_ -. - -...--- ..--
- .nIDI< _ .....,. ~ ~ -- ... --
-------.-.
_ -. _ _. __ 11__ .oa..____.........._
.. ~ ,. ........... - -- ... . ~ .. - -. ..... --- . .. - ., .., --
--

...... A.....
--

T,.. ~ no
Do Illll En1M'

It;
i

!IlGN nf'!'...n..
.....

TREE PROTECTION DETAIL
MOl 10 ICII.E

~
.. NCDC1f , 0 0lI '07 lIASoO STQoo( .......
K UKb. ~ 10 K 110'1. I ao"w I "
o JIt.J A ..-....

SlCTo. ~ KJIW .. "- IUI

PERSPECTIvE VIEw

'--1
---
-

-'" -

..... --
~- I t
L.J
BAf~LE INST ALlA TION - STEP SECTION AT OPENING

~

\. CiI8'IC .1IIm. ,... ...., A' ~ tI ..10
-..-
.-----~
. .. 11~ .. ",.., .. ...n..a. '..-c
..---
..-._..,._IVA

EROSION CONTROL DETAILS
BASS LAKE DAM

~

1600 QJ FT/",! E

.. ~ lWlaJS I<.fTlQO/T 10
~Tt I..MO( IM.OlJ . 10 .
~

.. OOlWoC((Sl 5HOU..D K UXJIt.JtIl 10
~ m.t. w.u..... I""f""t ..,. Ail
l.oUQ '......1 lUll W\nl.IoLL

~

... ., .-, ......u _ ..
---..--
-~.

I. u:.t , 011 0Il~ .vetA)
loOT DanllH<i ~ (flllt:) ACN:S.

:t [AIlTH IOIW ~ Be STAillUn:D ../ SUIloh<i
AoCCiCIUlIIo<i TO ~ SPlQf)CA nONs.

.l. US[ CUM COWPACTOII flU. WA 1[RIA4, '011 [AATH Pili.
QUill...
SETlUD

fa" \

CROSS SECTION

FlL TER
F A8RIC

.. lOUS'I K .....,~ .. A CXloClmOoo
-0. OIU. ~ nw:a.; 001
l)lllCT f\DIt 01 ....0 00010 ITIlI.CTa.
'OlIOOC ~ .m. fit>><<
SiU. . ~; .uP tool( _.

--

8MfLE lNST,IlLL,l.TION - STEP 2

GRAVEL & RIP RAP FILTER BASIN

..:u.
, ~ "'" 0ll0< 10 . '-"U) ~ T'Ol 01 I\... ~ o.aJllI J rm . ..orne.... ~
~ ~ ~ TO WTDICD'T f\.o. ~;oa gp,on 10 A ~ QlJIU1.
1 1041 -.. K IIilloOoC) .... 104' 0ll0< . CIoo( --.1 N...
) Clr'I'C>o ~ K 1ILt(>>CT1lU:l1.:l __ ~ .. ~, 001 CAMJlUl rr ~

MAINTENANCE

-.c:"'_~ _"'1Il1AOl_0'~_1U. _______TOll'I~
_ _ N _7.... AQQ lLU_ lIll OIC-fWI N _ _ 0' nc _. IUlZ N _ !HAT. _ IN
A ~TIll -. I#IIU. _ -.1 N __ ,AItT 0' N -.c. ,_

0C0l .. I-.c:TUlI fat __ __ ~ III _ -.,Y 0C0l nc _ 01 nc -.....Y TO ~ IT . A _
01 U "_ .. ..0. ~ 01 N 1-'. _UY fU NI1 ~ 01 N _ 10 &JIH1LY _ _
_. ...",. _ __ __ lId -..aY -'. -..aID _1II.Y.

""'11I _ _, _ ....... _ ...... _ 1lC _ __ _ __ __ TIC _ _1II.Y_
~<~--

GRAVEL & RIP RAP BASIN/OUTLET

TW( A
N'( OUTUl TO fUT IoM.A 11TH ..:. 0U'f0Cl O1AHfo1U

T't1'f 8
PIPE OUTlET TO WItll- DEflNED O1ANNEL

.. ... ~ ...00 """" -U II
00/l0 T)C IllWl lOUS'I K CUNG "
.-xMIUY.

r__

,..

......
f1 - r

'- -., .--r-:~ -.. '-.:"- ..

,..J

.-
...- -.

~E

~---

S(C'TlOI\ TkRIJ ~ . ~ TU

CROSS Sr::nOlloAL -.1fl'l

TEMPORAHY DIVERSION BERM

ru,.PORARY Ol~SoON aiRwl CWTCii

C(1)oI no.
A TtW'QlUJl y III(X;( " Cf:IwI' ACTW 50IL L.OCA TW A' no( fa" OIl IAK
01 A ~ t)'~ Ao1llA

~
1 TO t)'o(JIT STtlJCW fiAJfo()IT nee.. PIQ.ot ~ ~ A""Y nee..
~Tl.C11ll SI..QfIU TO A Sf AaUZUl OolTUl;
011
1 TO t)'o(JIT 5alIMOoT~ IUrCn r1lQW A ~ AItLA TO A
S[DIw[)IT ~ 'AQUTY.

CGWlITlOa ~ ~ ~
~\oO ITOMo.AT'[JI ~ WU1T I( ~..,.,Y t)~TW TO NOltCT
~ 1VlIICl a..(~U OIl IlCT _ il1*Oo T1 011 lilt t)AIoO C04 ntuCno-.

TIwPQHART CW~SoON b(IjW/ OlTCii

A. ..~ (;Il;WAC1lOIl " ~ f'U 1$ It(~ t)~' S/.If'IQOlT TO llIlI(CT ~
~r- ~ STOIWIlAIUI ..TO A a.cw..ooT COol'llO.. DC'tIICl WST I( IMSTAoULIl
.... TO ~ .. ~ " no( /IIItO (OIl .. ~nOH Ill" nu
OI'OAnOH # SLtMlOlT COoTltO..S . t)~ AlII. ac$TAoULIl AS [AOt OlITlCAL
I'CMT 1$ ~).
.. t) ~S IloO.A.D I( L.OCA 1tD TO -n: 0AMAllD .., CQIc$~Tl()o OI'OA noo.s.
c. Do ~ IloO.A.D I( SUllO .. lIU..01(I) # TH(Y AlII. IlOIAoto .. PUa: 0'00l >>
DA~
D 0.( ex ~ Af'T(JI (..0. "'-. ... T C>>oC( A IIU)l II( "".110I [\$ 1l(JI"'" AS
""ctUNl y

....I\AA.. ~ ()jl f'U ()jl CUT ~

~ ,

I ~- I
~r

-

....-.-

.. -- --

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t_1

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DiTCH

~

~I

_ _- 0' - . ~
---- ~

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~ ~) _, _ IlOIC _...-.

....... ...

I " ]
~.
--- ""

, IlOIC ~ r. _ CIID1IX1U __ ClIl ~
.'~)_7___""__

'..-.

1IOTt1 ~ AJ ..... ~ 01
~..WiIOS\AlIT\.n.
SlAaJUD. ~ OC)Q 01
nc otooa: ..c TlIOQ. y
~ ...., . I'1IQUD.

~~

....1\AA.. ~ Oll ,.... Oll M ~

~~ ~
"""'.....'1Ul f'o;. I I /""
\ ' \ , \ I
~\\'~' ~v

&RW/ 0l1CH

..olt~
POSin.{ ~ ~ II( ~ TO ~ ~
# ~ DCU.DS 21 suo .. w...o...C>i ~ TWY ""'" TO
UCLCl U ( ...... IIlU:lC1TlO ltUo.A. T) w..L>>.M OA - ~ ACJlO
.mQ.'T ~ c........~ ~ AT no( '" " "-OI'Q
.....sT ("" "'0 No ~ kOP( 0I\A0f0I
I ...../~TQo II ~ co.-oo...y ~

TEMPORARY DE-WATERIt\G TRENCH

NOltS;
(1) . - 1.~ I1w(S THE III~UIII STONE
Ol~ t!liT NOT LfSS niNo .
INOtES.
(2) G 1- l' ABOlo{ w.uu..uw TAllWATtR
011 TOP CI OiAHHEL BANI( (llIhI01-
['W(Jl IS U:SS)

(3) L4 -lLh <i Tn CI IW'ftAP APRON.

NOltS: Foom..c; SIZE
_ 11I:I om.._

Ir - a.-
h. - M'
II" - ..'

r
,r
...

,r
u'
M'

TEMPORARY CONSTRUCTION ENTRANCE

,

',:JLVERT OUTLET PROTECTION

fa" [lLW nON OF STORJ.jWATER
-..------- ---------

[)OS TlH<i SLO '(

167WASHfJ)
5TON[

"

~

GRAVEL &: RIP RAP FILTER BASIN DETAIL

DESIGN Of SPILLWAYS

DlWHACE AIt(A lIlDIl lLh<iTH
(AOl(S) (FT)
, 4.0
2 '.0
3 &.0
. '00
, 12.0
SoONS s..o.. .... _w

FlLTDt FABRIC

SIDE VIEW

~

HEIGHT . ..clni llE1ERWlHED BY
EXISllHG TOPOGfW'HY AND
SEDIMENT STORAGE REQUIRED.

K[Y RIP RAP INTO 1l1( QAW
'OR STAllUZAllOH.

KEYED RIP RAP

167 WA9iED STClN[

fRONT VIEW

ROCK CHECK DAM

",II"'",
", '"
" CAO"
....' '\ r\ "0 ",
fit" tl. ....... <:'/ "
.. ~ ..~SS.. /1.'
.... .:P ..~ '" /d.' -Y ':.
: ~ "0 ~'. -y ~
: :'~ SEAL y.~ -:
-'Cl. r'-
: ~ 19793 : :
-. ...
~ 'fJ"'f),_ -A-/Q::
~'" ~ ..;:~/Nt,.~.". <..:;......
", ,~(.i.",,~~"~\,:~,,""". / /la
~'~rt~
/~,/, 1.'/

NO. DA TE
1 9/28/01

DESCRIP nON
Seeding Schedule Note

\) ,at.... ~ I>I/U. ~
'lHCI .... IIOT utUll 1 ACC.

1) "'" roocu aKMJ) IIOT K
UV.D AI _ our.n-l 0lI ..
~ 01 COooC:OIf1lol.ItD f\.OII
(CJlUQ. lll1't>UG. ~
CTt-)

NM 01 ....ru

IN PROGRESS DRAWINGS
SUBMITTED FOR REVIEW
NOT RELEASED FOR CONSTRUCTION

OWN t:R:
TOWN OF HOU_ Y SPRINGS
128 SOUTH MAIN STREET
P.O. BOX 8
HOLLY SPRINGS. N.C. 27540
" [phone]

HOll Y SPRINGS TOv.NSHIP

THOMP~~I' , CIA TE5 WAKE CO.
5821i~~~"RI RD
R.<<EUI ~ '4.7 6 DA TE 11/28/2000 DRAWN RIB
(9.18);" 5t:ll~~
FAX~_ ~143 SCALE NTS SURVEYED

~/;
. (1Jt/')~
.,,' J
^ '.;f!
,. L:' L'l ,1.....1
I ~~ '~~
~)L--~ I & 'o!./,
(Ii' <'GlGlf

--......

BY
RIB

SHEET D-12

OWNER: TOWN OF HOLLY SPRINGS

NORTH CAROLINA

JL-HOL7

SCALE.. NTS

..--

REVISIONS 7/11/01

1'01 ~ .'~ ....-.. If .....
~ nc -'l 01 nc "'" roc&.. II
.~. ~ to CloG A
KllloolO(I .... .. ....., 01 YO.a UIl
'lHCI ~ --.L

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~ CIllO PIIIUClllMUl ~ c..
wn... I'OST1.. 011 r ASTDO 10 CIIWI 001
110OO -'1 _, MO ~ f1AIU1

COIottI ~ It
1~ C>_TlJI 01 - ~ r.' lltD' .r [NIl>< I\... ~ ..
011 ," ~..u II / ....,.;& .........,. ~
~'D JOb- -~...--..,
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CO<TVl

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. . ' . I . . . f ·

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I
I

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c-. -.:a.u' 01 ,..-: ""0

c-. .. 01 _ otTO tIIUoOo
....... _.. AI .'0", -.

. ,

SILT FENCE

~

TEMPORARY STREAM CROSSING

ZONED

R-40

JOB NO.

DRAWING BASS-DETAI

PIN 0658.02-88-2033

/

!

t;e.( i,,/J1f-l--

PRIMARY
SPILLWAY
ENERGY
DISSIPATOR PAD
ELEV. = 324.00

RIFFLE/
GRADE
CONTROL
STRUCTURE
:i:30 IF C/l

STEP-POOL SERIES
:i: 160 IF e/l

POOL J-HOOK
:i: 100 IF C/l RIFFLE
ElEV. = 317.50 WS :i:36 IF C/l

J-HOOK
RIFFLE
:i:36 IF C/l

POOL
:i:90 IF C/L
ElEV. = 310.50 WS

RUN/ GRADE
CONTROL STRUCTURE
:i:55 IF C/l

SEE lONGITUDIONAl PROFilE.
THIS SHEET. FOR SPillWAY
CHANNEL ELEVATIONS

----
----

S.R. 1393 _ _ - -
LAK( RO~J2.-.-_.._---- __ -------.---
~ . ------ w} --------
---'06--0-='--t'-V8LIC R\ i --- ~~-___.
~ I... - , ,.,-
/// . - -/ / / /' -' - - ",
-L.-- I ......... "

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/ //' / //-- ----------J , (( ( ( ( "" ",',

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,-------. I I';) 1. \ \ \ :>
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./

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----. -:::.......:::--:

,
~

PIP~____~(30\, D .)

\

/
..--
/-

".------ -....... . \
""-.........1

PRIMARY' SPILL WA Y CHANNEL

PLAN VIEW

SCALE:
/

I

~.~

1" = 40 '

C
\.. \ ~ (),J-l
\ nVJ. '1' \::. _ ,
If_ \ 4.;N~
\ I f
..\\.)(f' .
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,

336

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S:! ____
o
o

332
~
....J W
W Z
o ....J
o
6~
~
a:::
CL

PROPOSED TOP OF DAM ELEV. ;: 331.00

330

EMERGENCY SPI lWAY ElVEV.

328.00

328

PRIMARY
SPlllW,lY
..... --

RIFFLE/
GRADE
'"' '"'. ,....r""! ""
vv" y
DISSIPATO PAD STRUCTU ~E
~lEV. '- 24.00 1=30 LF C /l
I :
I I
I ,
_ , :~(Z~ BUONUl~IERS I
.....~ I ~"--__ i

~
(/)
326

J HOOK
RIFFLE
I~ ~~ . ...,
I ~ I v,~ lVfll"',
SIZE BOULDERS
:t36 IF C7L

HOOK
RIFFLE
. ~~.
'.1. " v, ~ 'VII'.
SI~ E BOULDERS
36 LF C/l

r""!,",,",,
v,-,~
:t90 LF C/L
El EV. - 310.50 WS

326

r""!~,",
'" v~
:t100 F C/L
ElEV. 317.50 WS

~TEP POOL SERI S
:i: 160 LF e/l

324

1. U[J'70

322

L
~

o

to

320

II
--;
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cd rw
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o w~
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318

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314

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en

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312

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in

310

/
/

....

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....t\J
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.....
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\r\
'"

-

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0:
o
o
......

MIRAFI 500X M ~TTING

v 'v....., .::> I VI'lt.L " ~~.
KEY IN AT TOP OF CHANNEL.

~~.I"'\.. 0_
"""_~ .;... I
" ~ .-
~~Y'~

DATUM ELEV
307. 00

(/)CD
3:CL
OL.()
L.()tO
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.-- .--
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N
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10+00

11 +00

12+00

13+00

14+00

15+00

16+00

17+00

PRIMARY SPILL WA Y CHANNEL

LONGITUD/~JAL SLOPE PROFILE

SCALE:

1 "
1" -

40' HORIZONTAL
4' VERTICAL

,,:11r

" ,

o

"

...

f

..
...

ct+~",re;L. fltp....~
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11+,s ~EeT I

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-

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,-
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.....

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RX>1Wl-~EfL

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C ;
(;)
...'
o
-

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~ ~ ,-~~
1l!-1S ~

J-HOOK VAN' DIAGRAM PLAN VIEW
NOT TO SCALE
IO'-err IS' - 0"
~~ 6h>Jl. ~~{ atANNet-

1~1J4." PIA. (l.Ifl- MP-
~ or:: ~ 7f) '2-'
~~l;I~

l'E1' - 0"
-s~ Clh4-NNIIL-

I 01.. 0"
JWJ~

VICINITY MAP

NOT TO SCALE

MJ :T-H4 ~
Llfi}'- 24" qA ~--rof' W a...--.. .~ SI!!'E NMes ~,
~ 1l:J z,.' ~ ~ ~.,V"\ iHtS ~
J-HOOK VANe CROss-s~cnON
NOT TO SCALE

1,I\It; ~
,,-, \Jo~ ~
~.P~ ~~
L-,~~~
~q;;;. .
~~1.~
~~
~f$, ~~

~ ~f2Ap tD le/'~
Rw1H. ~ ~~ 4,
-ntts .~

1 Of - 0 "
S~1tM ~

IS- '- 0"
s~ cffAN~CL

IS-'- 0"
'S~ QJA~NEL

IO'-C)"

--..

(lPJIf_ 24': ~~~OF
~yz,~ ~~DM
CHANNEL POQL
NOT TO SCALE

NIrZJ\:Fl _ ~ F*8.t:JL.
~ ~5";i116 ~/M=:1:
CROSS-~gION

m.~~
'NU~THts
~I

336

334

T Min. Channel
-Lo.Pth ... 3.00'

332

NOTES:
1. BOULDERS FOR J-HOOK VANES AND SPILLWAY SHALl BE VERY LARGE
BOULDERS 0 1/2- TON MIN. SIZE de LARGER. J-HOOK SHALL TIE INTO
TOP OF STREAM PANK.
2. J-HOOK SHALl BE ANGLED 20-30 DEG. HORIZ. FROM EDGE OF STREAM
TO EDGE OF J-HooK BOULDERS, AND 3-7 DEG. FROM BANKFULL HT. TO
STREAM POOL BOTTOM.
3. J-HOOK HEADER BOULDERS SHALl BE OFFSET UPSTREAM OF THE FOOTER
BOULDER AND SHOULD BE FITTED INDIVIDUALLY TO AVOID GAPS.

4. CHANNEL RIP-RAP SHALL BE A MIXTURE OF THE FOLLOWING SIZES:
CLASS l STONE CLASS B STONE (LIGHT)
MED 13 DIA. MED 6" DIA.
MAX. SIZE :20" DIA. MAX. SIZE :9" DIA.
70" MIXTURE 30" MIXTURE
5. CHANNEL SHALL BE LINED WITH MIRAFI 500X PERMANENT FABRIC
UNDER RIP-RAP CHANNEL AND J-HOOK VANES. FABRIC SHALL
BE KEYED IN AT THE TOP OF THE CHANNEL. PLACE MATERIAL
AS PER MANUFACTURERS SPECIFICATIONS FOR CHANNELS.

Ql0 '"' 522.10 efs
SLOPE ... 2.12"
d10 ... 1.79 ft.
v10 ... 8.23 fps
n ... 0.049
Shear Stress ... 62.4 Ilet · 1.79 ft · 0.0212 ... 2.37 II.t < 8.0 I/If

B ... 30'

330

Q2 ... 114.50 ef.
SLOPE ... 2.12"
d2 .. 0.788 ft.
v2 ... 4.49 fps
n ... 0.039 (70" CLASS 1 STONE)
(30" CLASS B STONE)
Shear Stress'" 62.4!lct · .788 ft .. 0.0212 ... 1.~ I/at
1.04 I/sf < 2.0 II. (CLASS B STONE)
1.04 I/sf < 4.0 #/st (CLASS 1 STONE)

328

-'" -_._~
'VI'

eONTRO STRUCTURE
:t55 LF C/L

324

TYP. CRO$S-SECTION THROUGH CHANNEL
BEHIND lJAJ,I (NTS) ,
REVISION 8-1
~TE: 10/2~/2001

322

VELOCITIES OF F'LOW THROUGH PRIMARY & EUERGENCY SPILLWAY:
2-YEM STORY: (Primary SpiJIwoy) WHERE 0 _ 3.2 x L x H
MAX. WATER ELEVATION = 324.80
v = Q/ A ... 114.5cfs/40sf = 2.86 fps
~-YEAR STORY: (Primoty SpiJIwoy)
MAX. WATER ELEVATION = 325.60
v = a/A ... 323.8cfs/80sf '"" 4.05 fps
10-YEM STOAW: (Ptimory Sphoy)
MAX. WATER ELEVATION = 326.20
v = Q/A = 522.1 cfs/11 Osf = 4.75 fps
2~-YEAR $TORY: (Ptlmory ~)
MAX. WATER ELEVATION = 327.00
v = a/A... 831.4cfs/150sf = 5.54 fps
M>>-YEM STORU: (Ptimory 51111..0,-)
MAX. WATER ELEVATION = 327.60
v = a/A... 1092.9cfs/180sf = 6.07 fps
100-Y[M STORY: (Bolh)
MAX. WATER ELEVATION = 328.20
v = a/A.. 1448.75cfs/260sf ... 5.57 fps

WATER SURFACE

....J
W
L
~
r3

320

LEGEND

318

316

)( ~ )( M SILT FENCE

:J ~EDI"ENT BASIN

... TEMP. DIVERSION DITCH

~
I~
x
w
o
~~
~ -=- C!J
-: ;;:; ~ ~
n + ~ II

~ ~>
.~~~~

- ~ ""':FP""..."j

(11
-$

~

314

~

DIRECTION OF FLOW

312

--330---

PROPOSED CONTOUR

WS

PB
TES

310

1/3-PWP: (Bolli)
MAX. WATER ELEVATION = 330.80
v = a/A ... 6585.4cfs/1 040sf ... 6.33 fps

POOL BOlTOM
TOP EMERGENCY SPILLWAY

(/)CD
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SPILLWAY 'STABILIZATION PLAN/PROFILE
BASS LAKE DAM

18+00

18+65.06

HOLLY SPRINGS TOWNSHIP OWNER: TOWN OF' HOLLY SPRINGS

THO"~':~ A$$OCIATES WAKE CO. . NORTH CAROLINA ZONED- R-40
5821: HOLLY "SPRINGS RD
RALEIGH. NC 27606 DATE 1/3/02 DRAWN VLti/RB JOB JL-HOL9
(91$)>651-1709
FAX~,t~) 8Q~'$2143 SCALE 1" = 40' SURVEYED DRAWING CREEK18
..~~~ ,"c.> .: _,.'0: ,-;

40
I

~ 20 40
, ,

SCALE 1"= 40 .

y

REVISIONS PIN 0658.02-77-5872

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l?l/ .., - - rl J HOOK ~ ~OOK ~ POOL RUNI GRADE
:t 1 0 c7f~- RIFFLE STEP-POOL SERIES ~--.;.... RIFFLE :t90 LF C/l CONTROL STRUCTURE
ELEV. = 17.50 WS :t36 LF C/L :t160 IF C/l ~~~ %36 LF C/L ELEV. = 310.50 WS :t:55 LF C/L

~) S~ ($ Ji,j U /~ S.R. ~3 - - -- .- ~~ - h:" /;{j/ - ~,
~ __ 1'.....1." l..l J.d J ~'A _ '" -6;5s-:iJ./(E R~Q.------ _~- _--------- .~ --:---..~ 4'2'1' BRJ~E \ " - - -
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/1 I~ -l--- ~ \(;of "4 /---- t, _ _;- -/' "." _---- -. ..........._.,..- ,-/ i-r-L/ ~~/. ,~ '
L-- _ :f-"';;:j/ x.(n ,,/ ,I I __/ /.__----- '._, --- /- / ~r -i''7 ~
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___------ / // / // ~~~ _.._--.-/ I I ,/ ".,--~ ", " // ~~~//,~.~/ ~//" I I
____ / /' /.., _--~...- Y I ( 11,('4" ,,, /" :+-,/g/~/'~''9
--.. '- (' (1-,;:,~-;~///// /<>~~\ ! (/ (I ( 1\ )~~ "\ ''-, ',,"--................... ~/ (f~/I@/ I, I
-, ",' \ \ 1 ~ " /' ... 'L~ \~ - ----- / { I ,', / ~'I ;/\ ~ I
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~ - 1'-' " I I \~,/ -t · /' ,/ Q'( ^,Y I T I I \ \ - ":j.- In;j 01; N \ 300, <:

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1r ( . ;-~~ ""~. iit~l!~~~~l~,~ ,~~ 2 ,09 IOF.'QC DAM · ., .-. .~. "ffio~' . .. .~~~ ~\! ,!I!, D ~ ~ . ~!mI'1':!~ thil,~,!.11i'M ,r, Y;>\....." ~ //'"
~ - . ....~ :-:': .:..~ ". \'~"'.J 'lit~r:~~~i,\~l\~!1'r~~~ ~-,.;... ,0''''''- _"_'1,: _ _ --,,_ ~._=-__ __~"/ _ + .,- =---~"-: ~ .... ..a,.....:"""'i \ ~ ../
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Is

--'

!

RIFFlE/
GRADE
CONTROL
STRUCTURE
%30 LF e/L

PRIMARY
SPILLWAY
ENERGY

SEE LONGITUDIONAL PROFILE.
THIS SHEET. FOR SPILLWAY

CHANNEL ELEVATIONS

DISSIPATOR PAD
ElEV, . 324.00

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SCALE: 1" = 40 I

- PLAN VIEW

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PROPOSED TOP OF DAM ELEV. ;I 331 .00

,J

II
332 .
~UJ
UJ z
330 0 ....J
o
0+ ~
328 - a::
~ ~
r-a::
326 (/)

, "I""'"
:t:100 F C/L
ELEV. ~17.50 WS

~
"\.~
-1
- 328.00

EMERGENCY SPI LWAY ELVEV.
, ~ '-l'\
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~ ,,~'
.~ ~

-HOOK
RIFFLE
-_.
~I.'" I v,.. mil'"
SI E BOULDERS
36 LF C/~

---,

:t90 LF"""'C/L
EIEV. - 310.50\ S

J HOOK
RIFFLE
I. ,- --
,'- .. V" mil'"
SIZE BOULDERS
:i:36 LF C/L

l. PRIMAR.I RIFFLE/
",-- S!!~~~ '( -GRADE

f~.. ""V,. 'v
~ . TO PAD STRUCTU ~E
" ~LEV. ~ 24.00 *30 LF C /L
~ I ~~
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KEY IN AT TOP OF CHANNEL.

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12+00

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,/

PRIMARY SPILLWAY CHANNEL LONGITUDINAL SLOPE PROFILE
SCALE: 1" - 40' HORIZONTAL
1" - 4 I VERTICAL

/

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- PLAN VIEW

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NOT TO SCALE

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336

334

..~
"':;'

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~\ /kA..-~
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SLOPE · 2.12. ';'I',~l/
d2 - 0.7. It. ''';, (jAr
l/2 - 4.48 fpe '0, ;'/f'/^!"
n _ 0.038 (70. CLASS 1 STONE) ,1/ /'-, "I.
(:SOX CLASS 8 STONE) _tU~ "'lfl.,..
Sheaf Stfua - 12.4J/cf · .7~. .... O.QZ~. p-,,04 11"~or.. ~
1.04 '/It < 2.0 ,/ (CLASS; <~ .... . /r(,jj /
1.04 flit < 4.0 "'" (Cl.ASlI ~/'/~'I.. " ?O, vI:
"'0:'/, I?.J
Q10 . 522.10 ef. '/>to,l)",
SLOPE - 2.12. - 'r,'l,.",
d10 - 1.7t ft.'I,t"!''!>
l/10 - 1.23 fpl ""YI'I,I"I .
n _ O.04t ,'}11;
Shear S~ . 12.4 lief · 1.78 ~ e 0.0212 . U7 llfAlIe 1.0 ""

,

332

NOTES:
1. BOULDERS f'OR J-HooK VANES AND SPiLlWAY SI-W.L BE vERY LAAGE
BOULDERS 0 1/2- TON "'IN. SIZE "LAAGER. J-HOOK SHALL TIE INTO
TOP Of' STREAM PANK.
2. J-HooK SHALl BE ANGLED 20-30 DEG. HORIZ. f'ROlot EDGE Of' STREAM
TO EDGE Of' J-HOUK BOULDERS. AND 3-7 DEG. FROM BANKfULl HT. TO
STR~ POO\. BOTTOlot.
3. J-HOOK HEADER BOULDERS SHALl BE Of'f'SET UPSTREAAl Of' THE f'ooTER
BOULDER AND SHOUl.D BE fTTTEO INOMOUAU.Y TO AVOID GAPS.
4. CHANNEl. RIP-RAP SHALL BE A "'llCTURE OF THE FOL1.OWING SIZES:
CLASS 1. STONE CLASS B STONE (UGHT)
lotED 13 DIA. lotEO 6' OIA.
loIAX. SIZE :t20. DIA. loIAX. SIZE :tt. DIA.
70" "'IXTURE 30" ""XTURE
5. CHANNEL SHAlL BE UNEO WITH lotllW'l 500X PERWoNENT FABRIC
UNDER RIP-RAP CHANNEL AND J-HooK VANES. FABRIC SHALL
BE KEYED IN AT niE TOP OF THE CHANNEL. PLACE llIATERIAL
AS PER IilANUFACTURERS SPECIFICATIONS FOR CHANNELS.

TYP, CROSS-SECTION THROUGH CHANNf'v-
BEHIND ()AJ,I (NTS) .
Rf:VISION 8-'
DATEs '0/2&/2001

330

328

- . --

CONTRO ;':~jCTURE
%55 IF C/L

326

324

322

VELOCITIES OF FLOW THROUGH PRIWAR't ct EWERGENCY SPILLWAY: I
2-Yl'M SJOftW: (MnarJ ,....,) WHERE C - 3.2 )( L )( H
MAX. WATER ELEVATION - 324.80
v _ CIA - 114.5cf./40.f - 2.86 fp.
~-Yl'M SlOlM: (PrImorJ ~)
MAX. WATER ELEVATION - 325.60
v _ C/A - 32J.8cf./80.f - 4.05 fps
la-YEAR STOMI: (PrImoIy 5oIM01)
MAX. WATER ELEVATION - 326.20
v _ O/A. 522.1cfs/110sf - 4.75 fps
B-YEAR S1OIU: (Pr~ .....,)
MAX. WATER ELEVATION · 327.00
v - O/A .. 831,4c:fs/150.f - 5.54 fps
&a-YEAR SlOMt: ~PrImoIy ~)
MAX. WATER ELtVATION .. 327.60
v .. O/A .. 1092.vc:f./180.f · 6.07 fp.
IOO-YEAR STOfIlt: (loth)
MAX. WATER ELEVATION - 328.20
v - O/A .. 1448.75c:f./260sf .. 5.57 'ps
1/3-PWP: (lot,,)
MAX. WATER ElLVATION - 330.80
v .. O/A .. 6585.4<:f./1040.f · 6.33 'ps

WS WATER SURFACE
P B POOL BOTTOW
TES TOP EWERGENCY SPILLWAY

320

LEGEND

318

M M M M SILT FENCE
:::J ~EDlIlENT IIASlN

.. TEMP. DIVERSION DITCH

316

314

... DIRECTION OF FLOW

312

_ _ 330- - - PROPOSED CONTOUR

310

N
co
o
",

~ tJ ~ ~og ,t)?
o
",

18+00

18+65.06

SPILLWAYi STABILIZATION PLAN/PROFILE
BASS LAKE DAM

HOLLY SPRINGS TOWNSHIP OWNER: TOWN OF HOLLY $PRIN~

40

l

9 20 40
.~J J ~

SCALE ,.- 40 '

J

THO"~" ct A$$OCIATES WAKE CO.
5621 HOLLY. SPRINGS RO
RALEIGH. NC 27806 DATE 1/3/02
[phone]
FAX~1.~' 8~~7143 SCALE ,. .. 40'

~. i,: ;.,,...

ZONED R-40
DRAWN VLH/RB JOB JL-i1l)L8
SURVEYE;O DRAWING CREEK 18
PIN 0858.02-;'7-5872.

.

REVISIONS
-

--..--..--- -_._~-
-. .--."

C5 0./

~.
K~
~

a

(y(
I~tz.pd~

. A~ . .5~ 9..z;_ ..~ ~: t. (i~
(!-;; heavy qr~ c,t.:;~4;i 1: "l;. ~_ 3- _ ~ ~ ~~ ~1,Jl,.~ 0~
~ b,ckt/l d~ s.-~ c!rr/~:>/q/rs :-~.y~ ~~<? s ~ ~ ~ '
./ ~ , _ rL_ J HOOK ~ ~OOK ~ POOL RUN/ GRADE
'912jl'nY - ~IFFLE STEP-POOL SERIES ~--;...., RIFFLE ::t90 LF e/L CONTROL STRUCTURE
~30 LF elL EL~'0 ~ _ ~1 ~~5LO WS :t:36 LF c/L :t: 160 LF C/l ~~s :t:36 LF C/L ELEV. == 310.50 WS :t:55 LF C/l
ELEV. == 324.00 ~ ~

~) 5~~ JiJ r!.Y~ S.R.1393_-0 --__ ->;;.~ - ->- _ ~/-'fj/ BRJ--E
_____~ :' ~UJt1J OA /b~~~I~~LAKE ~~-W'C----:::::::;:':-':=:'-- :-:.---::-::--- / --;:-:--- - _ ~----~, #/' \ .~}
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NOTES:
1. BOULDERS FOR J-HooK VANES AND SPillWAY SHAU. BE VERY lARGE
BOULDERS 0 1/2-TON WIN. SIZE. lARGER. J-HOOK SHAll. TIE INTO
TOP OF STREAtoI flANK,
2. J-HooK SHALl BE ANGLED 20-30 OEG. HORIZ. FROW EDGE OF STRtAM
TO EDGE OF J-HooK BOULDERS. AND 3-7 DEG. FROM BANKFUll HT, TO
STREAM POOL BOTTO",
3. J-HooK HEADER BOULDERS SHAll. BE OFFSET UPSTREAtoI OF THE FOOTER
BOUlJ)ER AND SHOULD BE FlTTED INDMOUAU.Y TO AVOID GAPS.
... CHANNEL. RIP-RAP SHAW. BE A WIXTURE OF THE FOLlOWING SIZES:
ClASS 1. STONE ClASS B STONE (uGHT)
MED 13 DIA. MED 6" OIA.
MAX. SIZE :t20- OIA. t.IAX. SIZE :t9- OIA.
7011 wIlCTURE JO'J WllCTURE
~. CHANNEL. SHAll. BE UNEO WITH MIRAFI 50QX PERIootANENT FABRIC
UNDER RIP-RAP CHANNEL. AND J-HooK VANES. FABRIC SHAll.
BE KEYED IN AT THE TOP OF THE CHANNEL. PVoCE MATERIAL
AS PER IootANUFACTURERS SPECIFICATIONS FOR CHANNEl.S.

TYP. CRO~S-SECTION THROUGH CHANN{L_
BEHIND DAJJ (NT$) . .
REVISION I-I
DATE: 10/2&/2001

330

,
Q2 - 114.50 .
SL.OPE - 2.12
d2 - D.718 It.
\/2 - ".48 fpe
n . 0.039 (7011 CLASS 1 STONE)
(JOX CLAS$ 8 STONE)
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1.04 1111 < 2.0 1/ (CLASS I STONE)
1.04 1111 < 4.D 1111 (CiASI 1 STONE)

328

326

Q10 . 522.10 ct.
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\/10 . 8.23 fpe
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Shear Sn.a . 12.4 lId · 1.78 ~ · 0.0212 . 2..17 1111 < 1.0 1111

322

VELOCITIES 01' FLOW THROUGH PRIUARY -" EWERGENCY SPILLWAY: I
2-YEAR S1Q8U: (PrImary ~) WHERE C - 3.2 x L x H I
MAX. WATER ELEVATION - 324.80
v . C/ A . 114.5cf./40.f · 2.86 fp.
~YEAR StOMt: (Pr'.mot1 .....)
MAX. WATER ELEVATION · 325.60
v . C/A . 323.8cf./80.f - 4.05 fps
IO-YIM STOMt: (~ ~)
MAX. WATER ELEVATION · 326.20
v . Q/A. 522.1cf./110If · 4.75 fpl

M M M M SILT FENCE
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320

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B-YIM STOIW: (Primofy ~)
MAX. WATER ELEVATION · 327,00
v . Q/ A .. 831.4cfa/150.f · 5.54 fpl

OO-YEAR STOIW: ("~ ~)
MAX. WATER ELEVATION · 327.60
v . Q/A .. 1 092.9cf./l 80sf · 6.07 fps

IOO-YIM StORM: (Iolb)
MAX. WATER ELEVATION · 328.20
v . Q/A .. 1448.75ctl/260st . 5.57 fpl

1/3-PWP: (....)
MAX. WATER ELEVATION - 330.80
v . Q/A .. 6585.4<:f./104O.f · 6.33 fps

LEGEND

318

~ (Il
3

314

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... DIRECTION OF FLOW

312

- - 330- - - PROPOSED CONTOUR

310

WS WATER SURFACE
PB ~L~rrOW
TES TOP EWERGENCY SPILLWAY

~

HOllY SPRINGS TOWNSHIP OWNER: TOWN OF HOLLY SPRIN'"
THOMPSON'It ASSOCIATES WAKE CO, NORTH CAROUNA ZONED' R-40
.' ... .. ~.' ...
5821 HOLlV, SPRINGS RD
RAlEIGH. NC 27606 DATE 1/3/02 DRAWN VLH/RB JOB JL-H0L8
[phone]
FAX .~~.t) ~~143 SCALE ,.. · 40' SURVEY~D DRAWING CREEK1S

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REVISIONS

PIN 0858.02-/7-5872.

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