20230447 Ver 1_Conrad Revised Site Plan_20230330

GENERALDEVELOPME%TNOTES,
1, OWNER/APPLICANT:
CHR€S AND CHRYSTIE CONRAD
4745 LUDWELL BRANCH CT. RALEIGH, NC 27612
DEED REFERENCE: DB:1700, PG:233,
2. PROPERTY DATA:
LOT 16, SECTION 14, WHALEHEAD CLUB
PLAT REFERENCE- P.C. 3, SL. 77, C.C.R.
PIN: 115A-000-0016--0014
ADDRESS: 806 LIGHTHOUSE DRIVE, COROLLA, NC 27927
3. FEMA DATA:
FLOOD ZONE: F.I.R-M. ZONE X
PANEL NUMBER 3720 9935 OOK;
EFFECTIVE DATE: DECEMBER 21, 2018
(DATA SUBJECT TO CHANGE BY FEMA)
4- LOT COVERAGE DATA;
TOTAL LOT AREA: 20,000 SF
CQVFRAQE
PROPOSED DWELLING STRUCTURE UNDER ROOF: 3,264 SF
PROPOSED CONCRETE PARKING AND DRIVE NOT UNDER ROOF: 1,953 SF
PROPOSED POOL SURFACE: 476 SF
PROPOSED CONCRETE POOL DECK NOT UNDER ROOF: 1,347 SF
TOTAL PROPOSED LOT COVERAGE: 7,040 SF
PERCENT LOT COVERAGE; 35.2% (SEE STORMWATER BELOW)
'OPEN DECKS AND STEPS OVER GROUND ARE NOT INCLUDED IN COVERAGE
5. UTILITIES DATA:
THIS DEVELOPMENT WILL BE SERVED BY ON -SITE WASTEWATER PER THIS PLAN,
THIS DEVELOPMENT WILL BE SERVED BY COUNTY WATER.
ALL NEW UTILITIES SHALL BE INSTALLED UNDERGROUND.
6. PARKING DATA:
REQUIREMENTS -
(2) SPACES FOR BEDROOMS 1-4
(6) SPACES FOR BEDROOMS 5-10
(0 SPACES FOR BEDROOMS 11-12
(9) TOTAL PARKING SPACES REQUIRED
PROVISIONS -
(9) 10'x18' PARKING SPACES PROVIDED
7. BOUNDARY, EXISTING TOPOGRAPHIC ELEVATIONS AND WETLANDS BASED ON "SURVEYED FOR CHRIS CONRAD & CHRYSTIE CONRAD,
WETLANDS PLAT OF LOT 16, WHALEHEAD CLUB, SECTION 14" PREPARED BY SADLER SURVEYING, PLLC, SEALED BY MICHAEL 0.
SADLER, PLS L-5029, DATED 3-20-2023.
B. DWELLING DIMENSIONS ARE BASED ON FLOOR PLANS PROVIDED BY FINCH & COMPANY TITLED 'CONRAD ESTIMATING PLANS.PDF"
RECEIVED VIA EMAIL ON 12-13-22. POOL, POOL DECKING AND PARKING LAYOUT PER DIRECTION OF FINCH & COMPANY. DEVIATIONS
FROM THESE PLANS MAY REQUIRE SITE AND PERMIT MODIFICATIONS.
STORMWATER CALCULATIONS:
THE FOLLOWING CALCULATIONS ARE PERFORMED IN ACCORDANCE WITH CHAPTER 2.3 OF THE CURRITUCK COUNTY STORMWATER MANUAL.
MEASURES TO TREAT DWELLING. PORCHES. POOL DECKING, DRIVEWAY. AND WALKS
PROPOSED IMPERVIOUS COVERAGE = 6,564 SF (SEE GENERAL NOTE 4, EXCLUDES POOL SURFACE)
STORMWATER STORAGE REQUIRED = 6,564 SF • 4 INCH • (1 FT/12 INCH) = 2,188 CUBIC FEET (CF).
SWALE TABLE
ID I TOP ELEV BOTTOM ELEV I DEPTH ISIDE SLOPE I SECTION AREA I LENGTH I VOLUME
OPERATION AND MAMITENANCE PLAN NOTES
1) A. DURING CONSTRUCTION, EROSION SHALL BE KEPT TO A MINIMUM AND ANY ERODED AREAS SHALL BE
REPAIRED IMMEDIATELY.
B. ALL DISTURBED AREAS SHALL BE SEEDED AND STABILIZED PURSUANT TO THE SPECIFICATIONS
PROVIDED THIS SHEET.
i C. THE FOLLOWING OPERATION & MAINTENANCE MEASURES SHALL BE PERFORMED ON ALL STORMWATER
MANAGEMENT MEASURES FOR OPTIMUM EFFICIENCY OF THE STORMWATER MANAGEMENT SYSTEM. THIS
i INCLUDES THE ROOF GUTTER SYSTEM, PERIMETER SUBSURFACE CONVEYANCE PIPE SYSTEM,
STORMWATER CHAMBER FIELDS AND RETENTION AREA BMP.
0 1. SYSTEM INSPECTIONS- AT LEAST (1) EVERY 6 MONTHS OR AFTER ANY SIGNIFICANT RAINFALL
EVENT.
2. SEDIMENT ACCUMULATION AND TRASH/DEBRIS REMOVAL - AT LEAST (1) EVERY 6 MONTHS OR
AFTER ANY SIGNIFICANT RAINFALL.
m 3.. IMMEDIATELY REPAIR ANY SYSTEM COMPONENTS THAT ARE DAMAGED OR ARE NOT FUNCTIONING
dl AS INTENDED.
4. IMMEDIATELY REPAIR ANY ERODED AREAS/SIDE SLOPES AND REVEGETATE AS NECESSARY.
i PROVIDE ADDITIONAL EROSION PROTECTION SUCH AS REINFORCED TURF MATTING OR RIPRAP AS
z NEEDED TO PREVENT CONTINUED PROBLEMS.
i 5. THE VEGETATION IN AND AROUND THE STORMWATER RETENTION AREA SHALL BE MAINTAINED AT
A HEIGHT OF APPROXIMATELY SIX INCHES.
6. RECORDS OF OPERATION AND MAINTENANCE SHALL BE KEPT.
N
SEED, SPRIG, OR SOD SIDE SLOPES
TYPICAL VEGETATIVE SWALE SECTION
NOT TO SCALE
SECTION VIEW
LEGEND SYMBOL pESCgI
= RIGHT OF WAY
- -
= PROPERTY BOUNDARY
-
= ADJACENT PROPERTY LINE
= PROPOSED GRADE CONTOUR
= PROPOSED WW DISPOSAL LINE
--�-- -
= PROPOSED WW FORCE MAIN
h•,,'j
= PROPOSED WW CONVEYANCE
k� fl
s EXISTING GRADE SPOT ELEV.
C,8.72
= PROPOSED GRADE SPOT ELEV.
®
= PROPOSED PARKING SPACE
= PROPOSED CONCRETE
WETLANDS TO BE IMPACTED
- - -
= WETLANDS NOT TO BE IMPACTED
4
VEGETATED RETENTION AREA-B
BOTTOM ELEV.:6.00'
BOTTOM WIDTH: 10.5't
SIDE SLOPE: 3:1
STORAGE DEPTH: 6"
(SEE DETAILS THIS SHEET)
VEGETATED BERM
TOP ELEV.:6.50'
TOP WIDTH: 1'i
SIDE SLOPE: 3:1-�
(SEE DETAILS THIS SHEET)
b
a
0
E
a
N
LOT 17
w
JOHN DONLEAVY 1�t
E�
z
z
PROPOSED SEPTIC TANK
3,141 GAL. PRECAST
GARNERS STB-349
(OR APPROVED EQUAL)
(SEE DETAILS SHEET 2)
PROPOSED EQ TANK �
1,500 GAL PRECAST
GARNERS PT-312
(OR APPROVED EQUAL)
(SEE DETAILS SHEET 2)
CONTROL PANEL (APPROX.)-
VEGETATED SWALE-C
BOTTOM ELEV.:6.00'
SIDE SLOPE: 3:1
(SEE DETAIS THIS SHEET)
LANDSCAPING WALL ALONG PODS -
(AS NEEDED)
PROPOSED PRE-TREATMENT--C
(2) E-Z TREAT MODEL 1200 PODS
(SEE DETAILS SHEET 2)
PROPOSED RECiRC/PUMP TANK -�-
2,581 GAL. PRECAST
GARNERS PT-271
(OR APPROVED EQUAL)
(SEE DETAILS SHEET 2)
6' PVC CENTER FEED MANIFOLD �
W/ CLEAN OUTS EACH END
(SEE DETAILS THIS SHEET)
2' PVC FORCE MAIN r
36' MIN. COVER
(SEE DETAILS THIS SHEET)
PROPOSED-
ACTIVE WASTEWATER DISPOSAL AREA
TYP. LP.P. TRENCH DISPOSAL
DISPOSAL AREA: 1,080 SF
W/ (12) 30 LF LATERALS
SPACED 0 3' Q.C.
FILL DISPOSAL AREA
TO MIN. ELEV. OF 8.01#.
(SEE DETAILS THIS SHEET)
PROPOSED 100% REPAIR AREA ---
AREA: 1080 SF
FINISHED GRADE ELEV.:
VARIES PER PLAN
LOT 32
N
EUGENE & VICTORIA RO
SEED, SPRIG, OR SOD SIDE
SLOPES & BOTTOM AS SPECIFIED
U.V.
LIGHT -HOUSE DRIVE (60' RfW)
PK NAIL
ELEV.e8.01
NAVD88 �ls,
\0, �
s
JS e
4 \ 3S.
B.00 f 8
" 6
° a
S16- 51' 46"E 100.00'
0
6.10 r &37
° a o
0
0
} A
-
Q-' 8.25
39.8'
e
a
8.64 8.72
AN�Q8.70 e a r. 4 0OVER
OVERGROUND
1 i
a
i PROPOSED
2-STORY WOOD
g FRAME DWELLING ON
PILE FOUNDATION
(12) BEDROOMS
GROUND FLOOR SLAB
ELEVATION: 9.0'#
X4
0
v6.0' PROPOSED POOL
�,a I
G' 34.0'
9TUB in CONCRETE DECK
a ro -48,0'
o
flo
DRAINFIELD ELEVATOOW 8.0't
60.0'
O
n
TOP OF FILL
7'
- - = 25BL.
0
M POTENTIAL WETLAND
NOT TO BE WPACTED-
�� AREA 1,733 SF
VEGETATED RETENTION AREA -A N16 51 46�'W 100.00'
BOTTOM ELEV.:6.00'
BOTTOM WIDTH: 23.0'f
SIDE SLOPE: 3:1
STORAGE DEPTH: 6"
(SEE DETAILS THIS SHEET)
LOT 33
N
JUNE & DOUGLAS
THOMAS
5,0'
0
n
-ROOF
EAVE
POOL FENCE
(APPROX.)
VEGETATED BERM
TOP ELEV.:6.50'
TOP WIDTH: V±
SIDE SLOPE: 3:1
(SEE DETAILS THIS SHEET)
PROPOSED SITE DEVELOPMENT PLAN
SCAM 1"=20' 20 0 10 20 40 PLAN VIEW
1: 20
GRAPHIC SCALE
VEGETATED EARTHEN HERM
SEED, SPRIG, OR SOD SIDE
SLOPES & TOP AS SPECIFIED
3 a�
BOTTOM WIDTH VARIES (SEE PLAN)
TYPICAL STORMWATER RETENTION AREA & BERM SECTION
NOT TO SCALE SECTION VIEW
SEEDING AND SITE STABILIZATION SPECFICATIONS
PERMANENT VEGETATION SHALL BE ESTABLISHED WITHIN THE LIMITS OF ALL DISTURBED AREAS AS TO THE
SPECIFICATIONS DESCRIBED BELOW OR AN APPROVED EQUAL
A. FERTILIZER: APPLY 3,000 LB/ACRE GROUND AGRICULTURE LIMESTONE AND 500 LB/ACRE 10-10-10 FERTILIZER. TOP
DRESS W/ 50 LB/ACRE NITROGEN.
B. MULCH: APPLY 4,000 LB/ACRE STRAW. ANCHOR STRAW BY TACKING W/ ASPHALT, NETTING, OR A MULCH
ANCHORING TOOL
C. SEEDING/SODDING:
1. TEMPORARY VEGETATION: IF TEMPORARY SEEDING OCCURS DURING WINTER, EARLY SPRING, OR FALL, APPLY 120
LB/ACRE RYE GRAIN. IF TEMPORARY SEEDING OCCURS DURING SUMMER, APPLY 40 LB/ACRE CENTIPEEDGRASS.
TEMPORARY VEGETATION CANNOT BE APPLIED WITHIN 15 WORKING DAYS OF LAND DISTURBING ACTIVITY.
2_ PERMANENT VEGETATION: APPLY COASTAL MIX CONSISTING OF 50 LB/PENSACOLA BAH€AGRASS, AND 10
LB/ACRE GERMAN MILLET. APPLY PERMANENT SEEDING BETWEEN APRIL 1 AND JULY 15. REFERTlUZE THE
FOLLOWING APRIL WITH 50 LB/ACRE NITROGEN,
3. SODDING: PERMANENT VEGETATION -SELECT COMPATIBLE SPECIES TO PERMANENT SEEDED TYPE; INSTALL WITH
LONGEST DIMENSION PERPENDICULAR TO THE SLOPE AND STAPLE IF NECESSARY; ROLL SOD IMMEDIATELY AND
WATER TO 4",
NOTE -
EXISTING SITE INFORMATION DESCRIBED HEREON IS BELIEVED TO BE ACCURATE, HOWEVER, BPG
INC. MAKES NO WARRANTY AS TO THE ACCURACY. IT IS THE CONTRACTORS RESPONSIBILITY TO
VERIFY THIS INFORMATION BEFORE RELYING ON IT. THE CONTENT OF THESE DOCUMENTS MAY ALSO
INCLUDE TECHNICAL INACCURACIES OR TYPOGRAPHICAL ERRORS. IF SUCH CONDITIONS EXIST, THE
CONTRACTOR SHALL CONSULT WITH THE ENGINEER PRIOR TO PROCEEDING WITH THE SCHEDULED
WORK AND MAY CONTfNUE AFTER AN AUTHORIZATION TO PROCEED HAS BEEN GRANTED.
PROPOSED POTENTIAL
WETLAND IMPACT
-AREA 614 SF
(REQUIRES USACOE LOT 15
APPROVAL) N/F
JAMES & JOAN KRILL
b
0
0
0I
� T
00 TTT
0
r
tn VEGETATED RETENTION AREA -A
BOTTOM ELEV.:6.00'
BOTTOM WIDTH: 5'f
SIDE SLOPE: 3:1
STORAGE DEPTH: 6"
(SEE DETAILS THIS SHEET)
VEGETATED BERM
TOP ELEV.:6.50'
TOP WIDTH: 1't
SIDE SLOPE: 3;1
(SEE DETAILS THIS SHEET)
GEOTEXTILE F
FABRIC OVEF
4" PERI
NITRIFICAT
1 1/4" SCH 40 PVC
12" - #5 OF ASTM
2' ABOVE L
& 6' BELOW L
TOTAL PROPOSED
POTENTIAL WETLAND
IMPACT AREA 1,064 SF
(REQUIRES USACOE
APPROVAL)
LOT 34
N
ROBIN & KATHRYN
LASKOWSKI
WASTEWATER SYSTEM DESIGN NOTES:
PRETREATMENT SYSTEM INSTALLATION AND TESTING PROCEDURES
1. WASTEWATER DESIGN DATA:
1.
A PRECONSTRUCT10N CONFERENCE SHALL BE HELD AND ATTENDED BY THE SYSTEM DESIGNER,
A. DAILY DESIGN FLOW: 1,440 GALLONS PER DAY (GPD)
ENGINEER. CERTIFIED SYSTEM INSTALLER, AND LOCAL HEALTH DEPARTMENT (LHD), PRIOR TO BEGINNING
BASED ON (12) BEDROOMS WITH (24) PERSON OCCUPANCY
CONSTRUCTION OF THE PRETREATMENT SYSTEM AND ASSOCIATED DISPOSAL SYSTEM.
B. ACTIVE DISPOSAL SYSTEM:
2.
CONTRACTOR SHALL HAVE EXISTING UTILITIES FLAGGED PRIOR TO GROUND DISTURBING ACTIVITIES.
TS-II PRE-TREATMENT W/ LPP BED DISPOSAL SYSTEM
CONTACT 1-800-632-4949.
(PER .1970 (j)(3) BED DISPOSAL > 1000 GPD)
3.
ALL PRETREATMENT SYSTEM COMPONENTS SHALL BE LOCATED IN COMPLIANCE WITH THE HORIZONTAL
L.T.A.R.: 1.0 GPD/SF + 25% BED REDUCTION (MAX W/ FILL)
SETBACK REQUIREMENTS OF RULE .1950, RULE .1970 AND SHALL BE LOCATED TO PREVENT
MINIMUM DISPOSAL AREA REQUIRED = 1,080 SF
SURFACE/SUBSURFACE WATER INFLOW/INFILTRATION.
MINIMUM LATERAL LENGTH REQUIRED = 360 LF
4.
ALL PRETREATMENT SYSTEM COMPONENTS SHALL BE INSTALLED ACCORDING TO THE MANUFACTURE'S
LATERAL LENGTH PROVIDED = 12 30 LF. LINES ® 3' O.C. 360 LF
( ) ( )
PROVIDED INSTALLATION MANUAL AND INSTRUCTIONS FOUND ON THESE PLANS. SHOULD THERE BE A
C. REPAIR DISPOSAL SYSTEM: (TS-II PRETREATMENT W/ 100% DISPOSAL)
CONFLICT BETWEEN THE INSTALLATION MANUAL AND THESE PLANS THE CONTRACTOR SHALL NOTIFY THE
ENGINEER FOR RESOLUTION PRIOR TO PROCEEDING WITH INSTALLATION- ALL COMPONENTS USED WITH,
REPAIR AREA = 1,080 SF. (SEE PLAN)
BUT NOT MANUFACTURED BY SYSTEM MANUFACTURER, SHALL BE INSTALLED IN ACCORDANCE WITH ALL
2. SOIL CONDITIONS USED FOR DESIGN BASED ON A SOILS REPORT PREPARED
APPLICABLE REGULATIONS AND MANUFACTURER INSTRUCTIONS.
BY PROTOCOL SAMPLING SERVICE, INC., JOB No. 22-182, DATED
S.
THE OWNER AND SYSTEM INSTALLER SHALL BE IN POSSESSION OF ALL NECESSARY PERMITS AND
12-8-2022
LICENSES BEFORE ATTEMPTING ANY PORTION OF AN INSTALLATION. THE INSTALLER MUST BE LEVEL IV
3. ALL CONSTRUCTION MATERIALS AND METHODS MUST CONFORM TO
AND AUTHORIZED IN WRITING BY THE MANUFACTURER.
APPLICABLE LOCAL AND STATE SEWAGE HANDLING AND DISPOSAL
&
WATFRIIGHTNFSS OF ALL SYSTEM TANKAGE SHALL BE DEMONSTRATED BY LEAKAGE TESTS CONDUCTED
REGULATIONS.
IN ACCORDANCE WITH THE SPECIFICATIONS.
4, ANY DEVIATION FROM THIS DESIGN MUST BE APPROVED BY THE DESIGN
7.
THE SYSTEM INSTALLER SHALL COMMISSION THE PRETREATMENT SYSTEM MANUFACTURE FOR EACH
ENGINEER AND DARE COUNTY DIVISION OF ENVIRONMENTAL HEALTH PRIOR
INSTALLATION AND SHALL PROVIDE AN ACCEPTANCE LETTER TO THE LHD PRIOR TO ISSUANCE
DANCE OF THE
TO INSTALLATION.
OPERATION PERMIT-
5. ELECTRICAL WIRING TO BE INSTALLED UNDER THE DIRECT SUPERVISION OF
S.
SPECIFIED SITE PREPARATION STEPS AND CONSTRUCTION SPECIFICATIONS FOR THE GROUND ABSORPTION
A LICENSED ELECTRICAL CONTRACTOR, ACCORDING TO NEC, STATE AND
SYSTEM SHALL BE STRICTLY ADHERED TO, INCLUDING SPECIFIED DEPTH OF TRENCHES IN RELATION TO
LOCAL ELECTRICAL CODES, AS APPLICABLE
SITE LIMITING CONDITIONS, COVER MATERIAL SPECIFICATION, TRENCH INSTALLATION, ETC.
6. CONTRACTOR IS TO INSTALL CONCRETE TANKS ON UNIFORMLY FIRM AND
9.
THE APPROVED SYSTEM INSTALLER, SYSTEM DESIGNER OR ENGINEER, AND APPROVED ORC SHALL
STABLE COMPACTED GROUND. CRUSHED STONE IS REQUIRED IF EARTH BASE
CONDUCT AN INSPECTION/START-UP OF THE PRETREATMENT SYSTEM AND ALL ASSOCIATED SYSTEM
IS pISTRUBED.
COMPONENTS. THE LOCAL HEALTH DEPARTMENT SHALL SHALL ATTEND AND OBSERVE THE
7. CONTRACTOR MUST CONTACT THE APPROPRIATE UTILITY AUTHORITY PRIOR
INSPECTION/START-UP. THE FOLLOWING SHALL OCCUR DURING THE INSPECTION/START-UP:
a SYSTEM WATERTIGHTNESS TESTING. (MAY OCCUR AHEAD OF START-UP, COORD. WITH ENGINEER
TO ANY DIGGING ON SITE.
AND LHD)
8, SEE ADDITIONAL NOTES, DETAILS AND SPECIFICATIONS THIS SHEET AND
b. DISPOSAL FIELD INSTALLATION OBSERVATIONS. (MAY OCCUR AHEAD OF START --UP, COORD. WITH
SUPPLEMENTAL TECHNICAL SPECIFICATIONS FOR FURTHER DIRECTION.
ENGINEER AND LHD)
c. RECIRCULATION PUMP CONTROL PANEL OPERATION, TIME DOSE AND ALARM SETTINGS
• SEPTIC TANK: (1) GARNERS 3,141 GAL. STS-349
d. RECIRCULATION PUMP MODEL NUMBERS AND ALARM SETTINGS
• EQUALIZATION TANK: 1 GARNERS 1,500 GAL. PT-312
(
e- PRESSURE HEAD ON PRETREATMENT POD DISTRIBUTION SYSTEM
• RECIRCULATION/PUMP TANK: (1) GARNERS 2,581 GAL. PT-271 W/
f. RETURN FLOW TO SEPTIC TANK SET PER DESIGN AND RECORDED, WHEN APPLICABLE
g. UV UNIT OPERA11ON AND ALARM SETTINGS, WHEN APPLICABLE
E-Z TREAT MODIFICATIONS PER PLAN.
h. FINAL DOSING PUMP OPERATION, DRAWUOWN TEST, DISPOSAL FIELD HEAD PRESSURE SET
• ALL TANKS MUST BE APPROVED BY THE MANUFACTURER FOR USE
DOSING PUMP CONTROL PA OP RA A
I. FINAL SIG o TROT. NET. E TION, TIME DOSE AND ALARM SETTINGS
9. RISER HATCHES HAVE TAMPERPROOF BOLTS OR LOCKS
WITH THE SPECIFIED PRETREATMENT SYSTEM
h. ALL OTHER SYSTEM APPURTENANCE INSTALLATIONS OBSERVED
• ALL TANKS MUST BE STATE APPROVED FOR ON -SITE WASTEWATER
SYSTEMS
GENERAL STANDARDS AND INSTRUCTIONS
• ALL TANKS MUST BE LEAK TESTED AFTER INSTALLATION UTILIZING
1.
ALL SYSTEM COMPONENTS ARE LOCATED AT OR GREATER THAN 10 FEET FROM THE NEAREST
STATIC WATER TEST METHOD AS OUTLINED IN THE SPECIFICATIONS.
PROPERTY LINE, AT OR GREATER THAN 5 FEET FROM THE BUILDING FOUNDATION AND AT OR
• ALL TANKS MUST BE WATER TIGHT INCLUDING ACCESS RISERS.
GREATER THAN 20 FEET FROM OTHER NITRIFICATION FIELDS.
WATERTIGHT ACCESS HATCHES MAY ALSO BE REQUIRED PER PLANS.
2-
ALL MATERIALS, SUPPLIES, PROCEDURES, WORKMANSHIP AND INSTALLATIONS SHALL COMPLY
• ALTERNATE TANKAGE FROM THOSE SPECIFIED ON THESE PLANS MAY
WITH THE LATEST EDITIONS AND AMENDMENTS OF: NORTH CAROLINA BUILDING CODE, LAWS
BE USED BUT MUST FIRST BE APPROVED AND MAY REQUIRE
AND RULES FOR SANITARY SEWAGE COLLECTION, TREATMENT, AND DISPOSAL, SECTION .1900
REDESIGN AT THE OWNERS EXPENSE.
OF THE NORTH CAROLINA ADMINISTRATIVE CODE, NORTH CAROLINA PLUMBING CODE, LAWS
AND REGULATIONS APPLICABLE TO GENERAL CONTRACTING IN THE STATE OF NORTH
9. INSTALL SPECIFIED MODEL OF EFFLUENT FILTER AT OUTLET END OF SEPTIC
CAROLINA, RESPECTIVE MANUFACTURERS' INSTRUCTIONS AND ACCEPTED INDUSTRY STANDARDS.
TANK. PROVIDE FILTER SERVICE EXTRACTOR HANDLE FOR USE ON REMOVING
3.
ALL WORK SHALL BE PERFORMED UNDER THE DIRECT SUPERVISION OF A PERSON PROPERLY
FILTER- INSTRUCT PROPERTY OWNER OF PROPER PROCEDURES FOR
REGISTERED WITH THE LOCAL HEALTH DEPARTMENT OR THE DESIGN ENGINEER.
REMOVAL AND MAINTENANCE OF EFFLUENT FILTER
10. TANK AND DRAINFIELD INVERT ELEVATIONS MAY NEED TO BE FIELD
4.
FILL AND BACKFILL MATERIALS SHALL BE CLEAN AND FREE OF ORGANIC MATERIAL AND TRASH OR
DEBRIS THAT MAY BE HARMFUL TO ANY SYSTEM COMPONENTS.
ADJUSTED. ALL INVERTS TO BE CHECKED AND APPROVED BY ENGINEER
AFTER TANKS ARE INSTALLED.
5.
ALL WORK SHALL CEASE AND BE HELD FOR INSPECTION AND APPROVAL AT APPROPRIATE
MILESTONES IN ACCORDANCE WITH THE REQUIREMENTS OF THE LOCAL HEALTH DEPARTMENT. THE
CONTRACTOR SHALL PROVIDE REASONABLE PRIOR NOTICE (MINIMUM 24 HOURS) TO THE LOCAL
HEALTH DEPARTMENT AND THE ENGINEER OF PENDING INSPECTION.
6.
THE CONTRACTOR SHALL PERFORM AND CERTIFY ALL TESTS AND SHALL MAINTAIN A RECORD OF
ALL TESTS RESULTS. TEST RESULTS SHALL BE PROVIDED TO THE ENGINEER AND THE OWNER
UPON REQUEST, AND SHALL BE TRANSMITTED TO THE OWNER WITH THE OPERATIONS AND
MAINTENANCE MANUALS.
7.
THE CONTRACTOR SHALL BE SOLELY RESPONSIBLE FOR THE CONDUCT AND SUPERVISION OF ALL
WORK ASSOCIATED WITH THE SPECIFICATIONS DESCRIBED HEREON.
45- BEND 22 1/2- BEND 90- BEND
f1 1/4" 90' ELBOW OR TEE
' y4
I
/ 1 1/4" LATERAL
AREA AGAINST
PIPE UNDISTURBED SOIL
2'
1'-0" x V-0"
4'
1'-0" x V-0"
6"
1'-3• x I:z:
8.
1'-6, x 1:-0:.
1a'
2'-0" x 2'-U.
12'
2'-3" x 2'-3"
AREA AGAINST
PIPE UNDISTURBED SOIL
2"
4"
1'-2" x 1'-2"
8"
1'-2" x
1 a•
x-a" x 2'-2-
12"
2'-8` x 2'-8"
C
C
C
4
u
M 4
END
(TYP
AREA AGAINST
PIPE UNDISTURBED SOIL
2"
V-0" x 1'{)"
4-
V-0" x 1'-0'
6"
1'-0" x V-©"
8"
1'-2" x V-2"
10"
1:-6 x V-6"
12"
1'-8" x
AREA AGAINST
PIPE UMMSTURBE0
4.
1 -0, x 1'-0'
6"
V-S, x 1'-Y
F
2'-0" x 2'-0"
10"
2'-6" x 2'-6-
12"
T-0" x 3'-0"
NOTES:
1. CONCRETE THRUST BLOCKING TO BE POURED
AGAINST UNDISTURBED EARTH.
2. KEEP CONCRETE CLEAR OF JOINT AND
ACCESSORIES.
3. ABOVE BEARING AREAS AND VOLUMES ARE
CALCULATED AT A SOIL BEARING CAPACITY OF
2000 PSF AND A TEST PRESSURE OF 150 PSI.
4- THRUST BLOCKS FOR VERTICAL UPWARD BENDS
SHALL BE THE SAME AS FOR HORIZONTAL BENDS.
S. WHEN CALLED FOR ON THE CONSTRUCTION
DRAWINGS OR CONTRACT SPECIAL PROVISIONS
VALVES SHALL HAVE CONCRETE RESTRAINT
BLOCKS AS SPECIFIED ABOVE, UNLESS THE VALVE
IS FLANGED TO A TEE, CROSS OR SIMILAR FITTING
OR ANOTHER METHOD OF RESTRAINT ACCEPTABLE
TO THE ENGINEER IS PROVIDED.
CONCRETE THRUST BLOCKING DETAILS
NOT TO SCALE
11 /4" PVC
TANK INSTALLATION NOTES
A. EXCAVATION
1. DIG SUITABLE EXCAVATION, BRACED AND SHEETED AS SOIL CONDITIONS DICTATE.
2. KEEP EXCAVATIONS FREE OF WATER AT ALL TIMES.
B. LEAKAGE TEST
1, PRIOR TO BACKFILUNG AND COVERING TANKS, PERFORM 24 HOUR LEAKAGE TEST AS FOLLOWS:
a. NOTIFY ENGINEER PRIOR TO BEGINNING TEST-
b- FILL TANKS WITH CLEAR WATER.
c.OBSERVE LEAKAGE OVER 24 HOUR PERIOD-
d- WITH SOIL DEWATERED, WATER LEVEL IN TANK MUST NOT DROP MORE THAN ONE-HALF
(1/2`) INCH.
e. REPLASTER TANK AND REPEAT TEST UNTIL SUCCESSFUL.
C. BACKFILI.ING
1. BACKFILL WITH MATERIAL FREE OF BOULDERS, LARGE ROOTS, SOD AND OTHER DEBRIS OR
ORGANIC MATTER.
2. COMPACT TO AT LEAST 90 PERCENT OF ASTM D1557 DRY DENSITY.
3. PROTECT TANK SITE FROM HEAVY EQUIPMENT.
4. GRADE SITE TO PREVENT PONDING OF WATER ABOVE TANKS.
PLUMBING/SUPPLY LINE NOTES
1. WASTEWATER FROM THE RESIDENCE WILL BE CONVEYED TO THE SEPTIC TANK BY GRAVITY FLOW
THROUGH A 4 INCH OR 6 INCH DIAMETER PVC OR DIP GRAVITY SEWER PIPE AS REQUIRED BY NORTH
CAROLINA PLUMBING CODE, MINIMUM SLOPE OF THE SEWER SHALL BE INCH/FOOT OR AS REQUIRED
BY PLUMBING CODE.
2. SEWERS INSTALLED UNDERPAVEMENT OR AGGREGATE PARKING OR DRIVE AREAS SHAL
L BE SERVICE
WEIGHT DUCTILE IRON PIPE AND FITTINGS. SEWERS INSTALLED IN UNPAVED AREAS AND PROTECTED
FROM TRAFFIC OR OTHER SEVERE LOADS SHALL BE SCHEDULE 40 PVC PIPE AND FITTINGS.
3. SUPPLY LINES AND MANIFOLDS SHALL BE SCHEDULE 40 PVC PIPE AND FITTINGS AND SHALL CONFORM
TO THE MATERIAL AND INSTALLATION SPECIFICATIONS FOR BUILDING SEWERS.
4. SUPPLY AND MANIFOLD PIPE SHALL BE INSTALLED ON A SMOOTH SLOPE BETWEEN THE INVERT
ELEVATIONS OF THE ENDS WITHOUT DIPS OR AIR TRAPS.
GENERAL SEEDING AND SITE STABILIZATION SPECIFICATIONS
PERMANENT VEGETATION SHALL BE ESTABLISHED WITHIN THE LIMITS OF ALL DISTURBED AREAS AS TO THE
SPECIFICATIONS DESCRIBED BELOW OR AN APPROVED EQUAL
1. FERTILIZER: APPLY 3,000 LB/ACRE GROUND AGRICULTURE LIMESTONE AND 500 LB/ACRE 10-10-10
FERTILIZER. TOP DRESS W/ 50 LB/ACRE NITROGEN.
2. MULCH: APPLY 4,000 LB/ACRE STRAW. ANCHOR STRAW BY TACKING W/ ASPHALT, NETTING, OR A
MULCH ANCHORING TOOL,
DISPOSAL FIELD CONSTRUCTION NOTES AND SEQUENCING
1. HOLD PRE -CONSTRUCTION CONFERENCE TO DISCUSS PROJECT SCHEDULING & COORDINATION. NOTIFY
ENGINEER AND LOCAL HEALTH DEPARTMENT REPRESENTATIVE PRIOR TO BEGINNING WORK.
2. HAVE EXISTING UTILITIES FLAGGED PRIOR TO GROUND DISTURBING ACTIVITIES. DIAL 811
3. REFER TO ANY ADDITIONAL SITE SPECIFIC PREPARATION NOTES AND CONSTRUCTION INSPECTION
PROCEDURES THAT MAY BE NOTED ON PLANS.
4. REMOVE ORGANIC MATTER AND SCARIFY NATURAL GROUND.
5. PLACE CLEAN TYPE 1 SAND FILL ACROSS DRAINFIELD AREA WHERE SPECIFIED ON THE PLAN. SITE
PREPARATION, INCLUDING CUTTING, FILLING AND GRADING SHALL BE PERFORMED IN STRICT
ACCORDANCE WITH THE APPROVED DRAWINGS AND SPECIFICATIONS.
6. TRAFFIC SHALL BE PROHIBITED ON FIELDS AND SIDE SLOPES.
7. UPON COMPLETION OF FILL INSTALLATION, SCHEDULE INSPECTION WITH LOCAL HEALTH DEPT. AND/OR
ENGINEER PRIOR TO BEGINNING INSTALLATION OF DISPOSAL SYSTEM.
8. INSTALL SUPPLY MANIFOLDS, LATERALS, RISERS AND VALVES:
A. MANIFOLDS:
a. EXCAVATE TRENCH APPROXIMATELY 12 INCHES WIDE FOR INSTALLATION OF SUPPLY
MANIFOLD.
b. PLACE SEGMENTS AND GLUE FITTINGS TO MANIFOLD SEGMENTS AS SHOWN ON DRAWINGS.
B. LATERALS & RISERS:
a. EXCAVATE LATERAL TRENCHES, USING TRANSIT TO ENSURE TRENCHES ARE LEVEL.
b. ASSEMBLE LATERAL SEGMENTS WITH TEES ON 3' CENTERS FOR RISERS AS SHOWN ON
DRAWINGS.
C. PLACE LATERALS IN TRENCHES AND CONNECT (GLUE) TO MANIFOLDS.
d. PLACE AND GLUE RISERS IN PEES INSTALLED IN LATERALS AS SHOWN ON DRAWINGS.
RISERS TO BE CUT IN 5' LENGTHS AND SHALL EXTEND 6" ABOVE FINISH GRADE AS
SHOWN ON PLANS.
e. PROVIDE CLEANOUT AT EACH LATERAL END.
C. VALVES:
a. PLACE GATE VALVE IN SUPPLY FORCE MAIN IF REQUIRED AND AS SHOWN ON PLANS.
9. GRAVEL FOR NITRIFICATION LINES SHALL BE CLEAN WASHED GRAVEL OR CRUSHED STONE GRADED
FROM 3/4 TO 1 INCH.
10. NITRIFICATION LINES SHALL BE INSTALLED LEVEL WITH A MINIMUM INVERT ELEVATION OF 12 INCHES
BELOW LOCAL FINISHED GRADE 0 IN ACCORDANCE WITH ELEVATIONS SPECIFIED ON THE PLAN WHEN
PROVIDED.
it EXCAVATED TRENCH BOTTOMS SHALL BE UNDISTURBED NATURAL SOIL OR COMPACTED CLEAN FILL
GRAVEL UNDER NITRIFICATION LINES SHALL BE RAKED AND TAMPED LEVEL IN THE DIRECTION OF THE
PIPE RUN AND SHALL REMAIN IN SUCH CONDITION AND CLEAN TO ACCEPT INSTALLATION OF THE PIPE
AND SUBSEQUENT GRAVEL FILL, GRAVEL SHALL AT ALL TIMES BE MAINTAINED CLEAN AND FREE OF
SOIL, THE TOP SURFACE OF THE GRAVEL FILL SHALL BE PROTECTED BY PERMANENTLY INSTALLED.
12. GEOTEXTILE FILTER FABRIC SHALL BE INSTALLED TO PREVENT MIGRATION OF SOIL INTO GRAVEL VOIDS.
BACKFILL OVER NITRIFICATION LINES SHALL BE ONLY LIGHTLY COMPACTED.
13. UPON COMPLETION OF NITRIFICATION LINE INSTALLATION, SCHEDULE INSPECTION WITH LOCAL HEALTH
DEPT. AND/OR ENGINEER PRIOR TO COVERING.
14. THE DRAINFIELD AREA SHALL BE FINE GRADED THE MINIMUM AMOUNT NECESSARY TO OBTAIN FINISH
GRADES AS SHOWN ON T1iE DRAWINGS AND TO PROMOTE RUNOFF AWAY FROM DRAINFIELD.
15. FINISH GRADE SLOPES FOR DISTURBED LAND SHALL NOT EXCEED 1:3 (RISE: RUN).
16. COMPLETED DRAINFIELD AREAS SHALL BE IDENTIFIED AND BARRICADED TO PREVENT COMPACTION BY
CONSTRUCTION OR OTHER TRAFFIC. ALL DISTURBED AREAS SHALL BE STABILIZED AND VEGETATED
WITHIN 21 DAYS AFTER CESSATION OF LAND DISTURBING ACTWVIIIES. TEMPORARY COVER. IF
NECESSARY, SHALL BE IN ACCORDANCE WITH THE RECOMMENDATIONS OF THE NOTES AS DESCRIBED
HEREON.
17. FOR SYSTEMS REQUIRING START-UP, SCHEDULE NTH ENGINEER, LOCAL HEALTH DEPARTMENT AND
\-6" x 1 1/4" REDUCING TEE PROPERTY OWNER. AT A MINIMUM, START-UP TO INCLUDE OBSERVATIONS OF PRESSURE HEAD
SETTING, FLOW VOLUME CONFIRMATION AND PROPER OPERATION OF SYSTEM COMPONENTS..
6' SCH 40 PVC MANIFOLD
THREADED PLUG
LATERAL CONNECTION DETAIL 6" MEN. ABOVE FINISHED GRADE
NOT TO SCALE ALL LATERALS INSTALLED LEVEL 6" THREADED FEMALE CAP
6' SCH 40 PVC PIPE THREADED CAP
'� i NATIVE FILL MATERIAL\ ,� _,-MALE ADAPTER
=
0
1 1/4" PVC LATERAL (SDR 160 PSI)
EARTHEN DAM (NO GRAVEL) -�
�n
O
4" PERFORATED DRAIN LINE
Imo-
111
TUBING, RANCOR
CO -EXTRUDED SMOOTH WALL
1
1.5'
3' O.C.
OR APPROVED EQUAL
o P o P v a
o a P
a a a
P P a a a P P a ti
P G P a a P
18"
P a aP
P P P P
5/3V DIA. HOLE AT S O.C. ALL
9°
PROVIDE 4" CAP NTH 1 1/4"
ORIFICES FACE UPWARD EXCEPT
HOLE AT EACH END OF LATERAL
FOR DISCHARGE HOLES LOCATED
CAULK AT LATERAL OPENING AND
IN THE MIDDLE AND A SECOND
WRAP WITH FILTER CLOTH
DOWNWARD -FACING HOLE 25%
ALL LATERALS TO BE INSTALLED LEVEL
FROM THE END OF THE LATERAL
LATERAL ORIFICE SPACING DETAIL
NOT TO SCALE
END OF MANIFOLD CLEAN OUT
_,.--(TYP.) (SEE DETAIL THIS SHEET)
" "\ \ ,\' \
\ FlLTt72 CLOTH
•�
FILL CLEANOUT WITH GRAVEL
\\�
0 0 0
a o 0 0
USE 1- 90' BEND
.0 PERFORATED :..: ., _
'IPE SLEEVE (TYP.)
WASHED GRAVEL: #5 OF ASTM D-448
L.P.P. FIELD CLEANOUT/TURN-UP DETAIL
NOTE:
CLEAN --OUT INSTALLATION SHALL BE PROVIDED AT EACH END
OF EACH MANIFOLD AND AT THE END OF EACH LATERAL
--3D'
•
30'
Now
Fm
ALL LATERALS SHALL BE INSTALLED LEVEL
SEE NOTE BELOW FOR AM OF HOLES �PER RLATERAL r F n HOLES UPWARD -FACING (TYP.)
FIRST HOLE
3 LATERAL CLEAN O:T 2nd TO LAST HOLE TO BE HOLE 0 LATERAL MIDPOINT TO 3' (TIP.) 1.5' (IYP.)
(SEE DETAIL THIS SHEET) DOWNWARD -FACING (TYP.) BE DOWNWARD -FACING (TYP.)
ALL LATERALS ARE 1 1/4"0 PVC (SDR 160 PSI) SCH 40 PVC FORCE MAIN FROM
TO BE SLEEVED IN 4"0 HDPE PERFORATED PIPE DOSING TANK.
TEE CONNECTION TO MANIFOLD.
ALL LATERALS ORIFICES ARE TO BE (SEE PLAN FOR SIZE)
DRILLED 5/32"0 AND SPACED O 3' O.C.
SCH 40 PVC SUPPLY MANIFOLD
(SEE PLAN AND DETAILS FOR SIZE)
END OF MANIFOLD CLEAN OUT
(TYP.) (SEE DETAIL THIS SHEET)
(12) 30 LF. LATERALS SPACED
10 HOLES PER LATERAL
TRENCH BOTTOM ELEVATION = 8.50'
MIN. FINISHED FIELD ELEVATION
SEE LATERAL ORIFICE L.P.P UISPL)SAI_ FIELD PLAN VIEW
SPACING DETAIL THIS SHEET NOT TO SCALE
L.P.P. BED DISPOSAL FIELD SECTION VIEW
NOT TO SCALE
0
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iY
0
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