HomeMy WebLinkAboutSDP000000333 Plan - Revision 2023-03-16WALTON MIDDLE SCHOOL SEPTIC PROJECT
SITE DATA:
ENGINEER: TIMMONS GROUP
608 PRESTON AVENUE, SUITE 200
CHARLOTTESVILLE, VA 22903
TELEPHONE: 434-327-1681
CONTACT: JONATHAN SHOWALTER, P.E.
JONATHAN.SHOWALTER@TIMMONS.COM
TAX MAP PARCEL: 10100-00-00-056AO
LIMITS OF DISTURBANCE: 8,600 sf
ZONING: RURALAREA
MAGISTERIAL DISTRICT: SAMUEL MILLER DISTRICT
SOURCE OF BOUNDARY AND TOPOGRAPHY: TIMMONS GROUP.
28 IMPERIAL DRIVE
STAUNTON, VA24401
(540)-885-0786
SOURCE TOPOGRAPHY: TIMMONS GROUP, JANUARY 27, 2023
DATUM: HORIZONTAL: NAD83 VIRGINIA STATE GRID SOUTH ZONE
VERTICAL: NAVD88
SITE AREA: 50.00 ACRES
PROPOSED USES: DEMOLITION OF EXISTING SEPTIC TANKS AND CONSTRUCTION OF NEW
SEPTIC TANKS AND SEWER LINES.
WETLAND IMPACTS: NONE
THERE ARE NO CRITICAL SLOPES LOCATED WITHIN THE PROJECT LIMITS.
THERE ARE NO CONSTRUCTION ACTIVITIES PROPOSED WITHIN THE 100-YR FLOODPLAIN.
LETTER OF REVISION TO
SDP00000333
ALBEMARLE COUNTY
3/15/2023
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SCALE: 1" = 1000'
OWNER:
COUNTY OF ALBEMARLE SCHOOL BOARD
CONTACT: KAGAN SQUIRE
2751 HYDRAULIC ROAD,
CHARLOTTESVILLE, VA 22901
TELEPHONE: 434-975-9340 EXT. 11030
ENGINEER OF RECORD:
TIMMONS GROUP
608 PRESTON AVE.
CHARLOTTESVILLE, VA 22903
CONTACT: JONATHAN SHOWALTER, P.E.
TELEPHONE: 434-327-1681
Sheet List Table
Sheet Number
Sheet Title
C0.0
COVER SHEET
C1.0
NOTES & DETAILS
C2.0
EXISTING CONDITIONS & DEMOLITION PLAN
C3.0
LAYOUT PLAN
C4.0
SANITARY SEWER PROFILES
TOTAL SHEETS = 5
SIGNATURE PANEL:
APPROVAL DATE
DEPARTMENT OF COMMUNITY DEVELOPMENT
PLANNING & ZONING
ENGINEERING
INSPECTIONS
E911
DEPARTMENT OF FIRE AND RESCUE
ALBEMARLE COUNTY SERVICE AUTHORITY
VIRGINIA DEPARTMENT OF TRANSPORTATION
VIRGINIA DEPARTMENT OF HEALTH
ARCHITECTURAL REVIEW BOARD
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DRAWN BY
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GENERALNOTES
2016 ROAD & BRIDGE STANDARDS
1. ALL MATERIALS AND CONSTRUCTION SHALL BE IN ACCORDANCE WITH CURRENT VIRGINIA
DEPARTMENT OF TRANSPORTATION'S SPECIFICATIONS AND STANDARDS.
2. PRIOR TO ANY CONSTRUCTION, THE CONTRACTOR SHALL CONSULT THE ENGINEER AND VERIFY THE
APPROVAL OF THE PLANS BY ALL FEDERAL, STATE AND LOCAL AGENCIES.
3. LAND USE PERMITS (LUP-A) MUST BE OBTAINED FROM THE VIRGINIA DEPARTMENT OF
TRANSPORTATION PRIOR TO BEGINNING ANY CONSTRUCTION WITHIN THE EXISTING STATE
MAINTAINED RIGHT OF WAY (INCLUDING ACCESS).
4. THE CONTRACTOR SHALL VERIFY THE ELEVATIONS OF ALL POINTS OF CONNECTION OR PROPOSED
WORK TO EXISTING CURBS, SANITARY LINES, WATERLINES, ETC, PRIOR TO CONSTRUCTION.
5. UPON DISCOVERY OF SOILS THAT ARE UNSUITABLE FOR FOUNDATIONS, SUBGRADES, OR OTHER
ROADWAY CONSTRUCTION PURPOSES, THE CONTRACTOR SHALL IMMEDIATELY CONTACT THE
OWNER. THESE AREAS SHALL BE EXCAVATED BELOW PLAN GRADE AS DIRECTED BY THE OWNER,
BACKFILLED WITH SUITABLE MATERIAL AND COMPACTED IN ACCORDANCE WITH CURRENT.
6. ALL STORM SEWER DESIGN AND CONSTRUCTION TO BE IN ACCORDANCE WITH VDOT I AND I LD-94 (D)
121.13.
7. ALL STORM SEWER PIPE SHALL BE REINFORCED TONGUE AND GROVE CONCRETE PIPE IN
ACCORDANCE WITH ASTM-C-76. PIPE WITHIN THE RIGHT OF WAY SHALL BE MINIMUM CLASS III OR
GREATER IN ACCORDANCE WITH CURRENT VDOT STANDARDS AND SPECIFICATIONS.
8. ALL CONCRETE SHALL BE A3-AE (AIR ENTRAINED 3,000 PSI), UNLESS OTHERWISE NOTED.
9. DESIGN CHANGES, SPECIFIED MATERIALS CHANGES AND/OR FIELD CHANGES FROM THE APPROVED
PLANS NEED TO BE RESUBMITTED TO THE ENGINEER PRIOR TO PROCEEDING WITH THE WORK. A
LETTER OF EXPLANATION SHALL ACCOMPANY THE REVISED PLANS AND/OR THE DRAINAGE
CALCULATIONS, WHICH MUST BE SUBMITTED AND APPROVED BY THE ENGINEER.
10. CONTRACTOR SHALL VERIFY LOCATION AND ELEVATION OF ALL UNDERGROUND UTILITIES SHOWN
ON PLANS IN AREAS OF CONSTRUCTION PRIOR TO STARTING WORK. CONTACT ENGINEER
IMMEDIATELY IF LOCATION OR ELEVATION IS DIFFERENT FROM THAT SHOWN ON PLAN. IF THERE
APPEARS TO BE A CONFLICT, AND/OR UPON DISCOVERY OF ANY UTILITY NOT SHOWN ON THIS PLAN,
CALL MISS UTILITY OF CENTRAL VIRGINIA AT 1-800-552-7001. THE OWNER SHALL BE RESPONSIBLE
FOR THE RELOCATION OF ANY UTILITY WITHIN EXISTING AND/OR PROPOSED RIGHT-OF-WAY
REQUIRED BY THE DEVELOPMENT.
11. THE INSTALLATION OF SEWER, WATER, AND GAS MAINS (INCLUDING SERVICE LATERALS AND
SLEEVES) SHALL BE COMPLETED PRIOR TO THE PLACEMENT OF AGGREGATE BASE COURSE.
12. ALBEMARLE COUNTY APPROVAL OF CONSTRUCTION PLANS DOES NOT PRECLUDE THE RIGHT TO
REQUIRE ADDITIONAL FACILITIES AS DEEMED NECESSARY.
13. A PRIME COAT SEAL BETWEEN THE AGGREGATE BASE AND BITUMINOUS CONCRETE WILL BE
REQUIRED AT THE RATE OF 0.30 GALLONS PER SQUARE YARD (REC-250 PRIME COAT) PER VDOT
STANDARDS AND SPECIFICATIONS.
14. THE SCHEDULING OF AGGREGATE BASE INSTALLATION AND SUBSEQUENT PAVING ACTIVITIES SHALL
ACCOMMODATE FORECAST WEATHER CONDITIONS PER SECTION 315 OF THE ROAD AND BRIDGE
SPECIFICATIONS.
15. THE OWNERS REPRESENTATIVE SHALL HAVE APPROVED THE AGGREGATE BASE COURSE(S) FOR
DEPTH, TEMPLATE AND PERFORMED THE REQUIRED FIELD INSPECTION (PROOF ROLL) PRIOR TO
PLACEMENT OF ANY SURFACE COURSE(S). CONTACT THE OWNER FOR INSPECTION FOR THE
AGGREGATE BASE COURSE(S) 48 HOURS PRIOR TO APPLICATION OF THE SURFACE COURSE(S).
16. A GEOTECHNICAL ENGINEER IS TO ASCERTAIN CAUSE AND CERTIFY RECOMMENDED METHOD OF
REPAIR FOR ALL PAVEMENT STRUCTURAL FAILURES PRIOR TO STATE ACCEPTANCE. (N/A)
17. ALL VEGETATION AND ORGANIC MATERIAL IS TO BE REMOVED FROM THE PROPOSED PAVEMENT
LIMITS PRIOR TO CONDITIONING OF THE SUBGRADE.
18. CERTIFICATION AND SOURCE OF MATERIALS ARE TO BE SUBMITTED TO THE OWNER FOR ALL
MATERIALS AND BE IN ACCORDANCE WITH THE ROAD AND BRIDGE SPECIFICATIONS, AND ROAD AND
BRIDGE STANDARDS.
19. ALL APPROACH GUTTERS TO SAG INLETS SHALL MAINTAIN A MINIMUM SLOPE OF 0.004 ft./ft.
20. ALL NEW HANDICAP ACCESSIBLE REQUIREMENTS ON -SITE AND WITHIN ALL NEW STRUCTURES SHALL
COMPLY WITH THE 2015 UNIFORM STATEWIDE BUILDING CODE, 2015 VIRGINIA CONSTRUCTION CODE,
2010 ADA STANDARDS FOR ACCESSIBLE DESIGN AND ICC/ANSI A117.1-03.
21. VISIBILITY OF ALL MECHANICAL EQUIPMENT FROM THE ENTRANCE CORRIDOR SHALL BE ELIMINATED.
22. ACCESSIBLE PARKING SPACES AND ACCESS AISLES SHALL NOT HAVE A SURFACE SLOPE GREATER
THAN 1:48. ACCESS AISLES SHALL BE AT THE SAME LEVEL AS THE PARKING SPACE THEY SERVE.
23. ALL ROOF DRAINS SHALL DISCHARGE IN A MANNER NOT TO CAUSE A PUBLIC NUISANCE AND NOT
OVER SIDEWALKS.
24. BUILDING OR STRUCTURES BUILT BEFORE JANUARY 1, 1985 MUST HAVE AN ASBESTOS SURVEY
PERFORMED IN ORDER TO APPLY FOR A PERMIT. ASBESTOS REMOVAL PERMITS ARE REQUIRED IF
POSITIVE FOR SUCH. CONTACT VDOLI FOR ADDITIONAL REQUIREMENTS AND PERMITS FOR
DEMOLITION PROJECTS.
ALBEMARLE COUNTY ENGINEERING GENERAL CONSTRUCTION
NI(ITFC
1. PRIOR TO ANY CONSTRUCTION WITHIN ANY EXISTING PUBLIC RIGHT OF WAY, INCLUDING
CONNECTION TO ANY EXISTING ROAD, A PERMIT SHALL BE OBTAINED FROM THE VIRGINIA
DEPARTMENT OF TRANSPORTATION (VDOT). THIS PLAN AS DRAWN MAY NOT ACCURATELY
REFLECT THE REQUIREMENTS OF THE PERMIT. WHERE ANY DISCREPANCIES OCCUR THE
REQUIREMENTS OF THE PERMIT SHALL GOVERN.
2. ALL MATERIALS AND CONSTRUCTION METHODS SHALL CONFORM TO CURRENT SPECIFICATIONS
AND STANDARDS OF VDOT.
3. EROSION AND SILTATION CONTROL MEASURES SHALL BE PROVIDED IN ACCORDANCE WITH THE
APPROVED EROSION CONTROL PLAN AND MUST BE INSTALLED PRIOR TO ANY CLEARING,
GRADING OR OTHER CONSTRUCTION.
4. ALL SLOPES AND DISTURBED AREAS ARE TO BE FERTILIZED, SEEDED AND MULCHED.
5. THE MAXIMUM ALLOWABLE SLOPE IS 2:1 (HORIZONTAL:VERTICAL). WHERE REASONABLY
OBTAINABLE, LESSER SLOPES OF 3:1 OR BETTER ARE TO BE ACHIEVED.
6. PAVED, RIP -RAP OR STABILIZATION MAT LINED DITCH MAY BE REQUIRED WHEN IN THE OPINION OF
THE COUNTY ENGINEER, OR DESIGNEE, IT IS DEEMED NECESSARY IN ORDER TO STABILIZE A
DRAINAGE CHANNEL.
7. ALL TRAFFIC CONTROL SIGNS SHALL CONFORM WITH THE VIRGINIA MANUAL FOR UNIFORM
TRAFFIC CONTROL DEVICES.
8. UNLESS OTHERWISE NOTED ALL CONCRETE PIPE SHALL BE REINFORCED CONCRETE PIPE - CLASS
III.
9. ALL EXCAVATION FOR UNDERGROUND PIPE INSTALLATION MUST COMPLY WITH OSHA STANDARDS
FOR THE CONSTRUCTION INDUSTRY (29 CFR PART 1926).
BLASTING NOTES
1. BLASTING SHALL NOT BE PERMITTED ON THIS PROJECT.
MANHOLE FRAME & COVER
ST'D. F&C-1 OR WF&C-1
GROUT IN PLACE
24"
MIN. I
h.
FLAT SLAB TOP
MANHOLE FRAME & COVER STANDARD T-MH-2
•' UNIT
y
TTAPER'D. T-MH-2
RISER UNIT
REDO WHEN D IS
ST'D R-1
GREATER THAN 4'-0"
PLUG LIFT HOLES
RISER UNIT
=
WITH RUBBER
0-RING JOINTS
ST'D. R-2, R-3
,
" /
STOPPER AND
(ASTM C-443)
MORTAR
MANHOLE BAS
ST'D. B-
STEPS 1N 1611
R
O.C. STANDARD ST-1
STANDARD IS-1
OR B-2
SHAPING
D _
.
TOP OF SHAPING
FLEXIBLE CONNECTOR
SEE SHEET 2 OF 2
NOTES.
FOR DIMENSIONS NOT
SHOWN SEE VOOT ST-D.
B-1, B-2 & R-1
CONCRETE ENCASEMENT
TO EXTEND TO LIMITS
OF EXCAVATION
DIA OF
DROP PIPE
D-1 D-2
B" ell
10.. B"
12" 10"
15" 12"
loll 15"
24" & 8"
ABOVE
FORM BAS< Vna
90' BEND
A
L
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1
CLASS A3 CONCRETE
PIPE MATERIALS TO MATCH
MAN LINE (D.I., C.I., OR PVC, ETC.) r
CAST IRON 90" BENDS
BASE STANDARD B-10R 13-2-�
PRECAST CONCRETE MANHOLE
NOTES:
1. WHEN HEIGHT H EXCEEDS 12' A MINIMUM NOMINAL DIAMETER D OF
THE BASE UNIT SHALL BE 5' WITH A SECTION HEIGHT OF
6' A!D A STANDARD RISER UNIT R-2 OR R-3 SHALL BE REQUIRED.
2. FLAT SLAB TOP STANDARD T-MH-2 SHALL ONLY BE ALLOWED
ON SHALLOW MANHOLES.
3. STEPS SHALL BE ENCASED IN CORROSION RESISTANT
RUBBER OR OTHER MATERIAL APPROVED BY THE ENGINEER.
4. STEPS SHALL BE OMITTED WHEN SPECIFIED IN THE PLANS.
5. SEE STANDARD SHEET NUMBER 106.07, VOLUME I, FOR ADDITIONAL MANHOLE
DETAILS.
SPECIFICATION
REFERENCE SANITARY SEWER MANHOLE
VIRGINIA DEPARTMENT OF TRANSPORTATION
SMH-1
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ROAD AND BRIDGE TANDARDS
SHEET 2 OF 2 REVISION DATE
1411.02
ALL JOINTS SHALL BE RESTRAINED BY
RETAINER GLANDS OR THREADED RODS (GALVA
FORCE MAIN DISCHARGE
TYPE 1
ALL JOINTS SHALL BE RESTRAINED BY
RETAINER GLANDS OR THREADED RODS (GALV.)
FORCE MAIN DISCHARGE
TYPE 2
INTERNAL EXPANSION BAND
FLEXIBLE CONNECTION
STAINLESS STEEL CLAMP
PRECAST MANHOLE STANDARD
B-1 OR B-2.
FLEXIBLE CONNECTION
AND SPECIFICATIONS.
SMH-1
A
SECTION B-B
DAM % D-1
DIAMETER MAX.
TEE
ST'D. SMH-1
MANHOLE
B
(FOR D-2 OF 12" i LESS)
36"
(FOR D-2 OF 15" i 18'7
SECTION A -A
SANITARY DROP CONNECTION
SANITARY SEWER MANHOLE
WATER AND SANITARY SEWER FACILITIES
VIRGINIA DEPARTMENT OF TRANSPORTATION
ROAD AND BRIDGE STANDARDS
REVISION DATE SHEET 1 OF 2
1411.01
FILLER PIECE
(ONLY IF NEEDED)
SPECIFICATION
REFERENCE
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DESIGNED BY
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OPENIGRASSAREA \ \ 1 I / I i I DEMOLITION HATCH LEGEND
REMOVE SANITARY SEWER
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/\ �. MHS - SEPTLC TANKACCESS \ / bry �S —MHS -SEPT
TANKACCESS
bA TOP=441.38' TOP-447.34' \ / / . b TOP=44>.38' TOP-441.3'4' \
6 / / INV. BOT=430.45' / / ' INV. BOT=430.45'
-TANK BOTTOM=4920V / \ i / TANKBOTTOM=49201'
APPROXlMAT6 LOCATION OF APPROXIMAT6 LOCATION OF \
EXISTING,VIATERLINE. _ _ _ // ' ` / ' ' EXISTINGWATERLINE REMOVE ,/ \
CONC
4.5x4.1'/ `� /' �'� /' _-_- 4.5x4.1'/
.441. ' / �' / '441 REMOVE PER SEPTIC `
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OPEN I GRASS AREA G / ' ' \ \ \ OPEN I GRASS AREA
(PART OF) TMP 101-56A / ' (PARE OF) TMP 101-56A
✓TY9I�_ALBEMARLESCHOOL�B"OARD / — — — _ TYgPALBEMARLESCHOOL/BOARD
/ DB. 507, PG. 626 / / \ / DB. 507, PG. 626
/ ZONED: RA / / \ i / \ \ / ZONED: RA
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------------- /-'/ EXISTING CONDITIONS
- - - - - - _ _ - - /'' DEMOLITION PLAN
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SHEET NO.
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CORD DRILL HOLE FOR NEW
PIPE 6UT AND REMOVE AND
REPI ACE MANHOLE SHAPING
TO f IIATCH.
RESTORE EXISTING GRADE. BACKFILL \
WITH CLEAN STRUCTURAL FILL OR \
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INV. INg36.90'8"VC I TOPSOIL.
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%%.. LIMITS OF DISTURBANCE = 7,500 SF
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/ - - - - COUNTY Of ALBEMARLE SCHOOL�BOOARD—
/ / DB. 507, PG. 626 / \ \
ZONED: RA \
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SO INLET
TOP=443. 17' -x I
INV. OUT=438.8' 12" RCP c /
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`vim/ FORCE MAIN TO HAVE 18" OFSEPARATION -441 -\
WITH EXISTING WATER LINE. CONTRACTOR
TO HAVE SCHOOL MARK AND FIELD VERIFY.
438-
31
SO INLET
TOP=2"RC'
INV. OUT=431.42' 12" RCP _ - - _ _ - _ \ \ \ \ r / I I I CONC.
6.5'x 6.9\\
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—
\\ SO INLET
\ TOP=420'3K
INV. IN(NORTH)= 17.35' 12"RCP
\ INV. IN (WEST)=4>Z88'42"RCP \ 7/ ` \ \ \ \ _ _ — — — _ _426
IP \\\ \ �y�OUT(SE)=417.05' 18'PCR -
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DATE
311512023
DRAWN BY
S. KIRBY
•
DESIGNED BY
•
S. KIRBY
•
CHECKED BY
J. SHOWALTER
• •
SCALE
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STA 10+00.00 2 STA 12+24.74
EX TOP 443.25 TOP 434.45
INV IN 436.90 (EX) INV IN 430.48 (1)
INV OUT436.70 (1) INV OUT430.28 (SEPTIC TANK 1)
445 445
W
H
DATE
311512023
DRAWN BY
S. KIRBY
• DESIGNED BY
• S. KIRBY
• CHECKED BY
J. SHOWALTER
• • II SCALE
AS SHOWN
5
0
0 50 w
PROFILE SCALE J
U 0
I^— O
I..L
W i A
9+50 10+00
SANITARY SEWER PROFILE 13+°° 13+50 ',^^ z w
HORIZ SCALE: 1"=50' n O
VERT SCALE: 1"=5 U
W w
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0 cl)
JOB NO.
57006
SHEET NO.
C4.0
EXISTING
G
DE
440
\
\
PROPO
D
\ �
SEPTIC
tlA,NK435
1.5'MIN
�
(BY OT
RS) 435
�
224. �4,
3'
I N
g., SCR OF
C 2. i�oy5
430
430
CORE DRILL
HOLE FOR NE
PIPE OUT AND
REMOVE AND
REPLACE MANHOLE
SHAPI
G
425
TO MATCH.
425
STATION
OF EXISTING
WATER LINE
IS APPROXIM
E.
CONTRACTOR
TO C
NFIRM LOCATION
OF WATER
INE
BEFORE
CONSTRUC
ION. RELOCA
E WATERLINE
18"
420
UNDER
PROPOSED SANITARY
SEWER
LINE.
420
415
415
410
410
7
R
R
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