HomeMy WebLinkAboutWPO201900009 Plan - Submittal (First) 2019-02-22IDA
GENERAL CONSTRUCTION NOTES FOR EROSION AND SEDIMENT CONTROL PLANS:
1. The plan approving authority must be notified one week prior to the pre -construction conference, one week
prior to the commencement of land disturbing activity, and one week prior to the final inspection.
2. All erosion and sediment control measures will be constructed and maintained according to minimum
standards and specifications of the Virginia Erosion and Sediment Control Handbook and Virginia
Regulations VR 625-02-00 Erosion and Sediment Control Regulations.
3. All erosion and sediment control measures are to be placed prior to or as the first step in clearing.
4. A copy of the approved erosion and sediment control plan shall be maintained on the site at all times.
5. Prior to commencing land disturbing activities in areas other than indicated on these plans (including, but
not limited to, off -site borrow or waste areas), the contractor shall submit a supplementary erosion
control plan to the owner for review and approval by the plan approving authority.
6. The contractor is responsible for installation of any additional erosion control measures necessary to
prevent erosion and sedimentation as determined by the plan approving authority.
7. All disturbed areas are to drain to approved sediment control measures at all times during land disturbing
activities and during site development until final stabilization is achieved.
8. During dewatering operations, water will be pumped into on approved filtering device.
9. The contractor shall inspect all erosion control measures periodically and after each runoff producing
rainfall event. Any necessary repairs or cleanup to maintain the effectiveness of the erosion control devices
shall be made immediately.
10. All fill material to be taken from an approved, designated borrow area.
11. All waste materials shall be taken to an approved waste area. Earth fill shall be inert materials only, free
of roots, stumps, wood, rubbish, and other debris.
12. Borrow or waste areas are to be reclaimed within 7 days of completion per Zoning Ordinance section
5.1.28.
13. All inert materials shall be transported in compliance with section 13-301 of the Code of Albemarle.
14. Borrow, fill or waste activity involving industrial -type power equipment shall be limited to the hours of
7:00am to 9:00pm.
15. Borrow, fill or waste activity shall be conducted in a safe manner that maintains lateral support, or order
to minimize any hazard to persons, physical damage to adjacent land and improvements, and damage to
any public street because of slides, sinking, or collapse.
16. The developer shall reserve the right to install, maintain, remove or convert to permanent stormwater
management facilities where applicable all erosion control measures required by this plan regardless of the
sale of any lot, unit, building or other portion of the property.
17. Temporary stabilization shall be temporary seeding and mulching. Seeding is to be at 75 Ibs/acre, and in
the months of September to February to consist a 50/50 mix of Annual Ryegrass and Cereal Winter Rye,
or in March and April to consist of Annual Rye, or May through August to consist of German Millet. Straw
mulch is to be applied at 80lbs/100sf. Alternatives are subject to approval by the County erosion control
inspector.
18. Permanent stabilization shall be lime and fertilizer, permanent seeding, and mulch. Agricultural, grade
limestone shall be applied at 90lbs/1000sf, incorporated into the top 4-6 inches of soil. Fertilizer shall be
applied at 1000lbs/acre and consist of a 10-20-10 nutrient mix. Permanent seeding shall be applied at
180lbs/acre and consist of 115% Kentucky 31 or Tall Fescue and 0-5% Perennial Ryegrass or Kentucky
Bluegrass. Straw mulch is to be applied at 80lbs/100sf. Alternatives are subject to approval by the County
erosion control inspector.
19. Maintenance: All measures are to be inspected weekly and after each rainfall. Any damage or clogging to
structural measures is to be repair immediately. Silt traps are to be cleaned when 50% of the wet storage
volume is filled with sediment. All seeded areas are to be reseeded when necessary to achieve a good
stand of gross. Silt fence and diversion dykes which are collecting sediment to half their height must be
cleaned and repaired immediately.
20. All temporary erosion and sediment control measures are to be removed within 30 days of final site
stabilization, when measures are no longer needed, subject to approval by the County erosion control
inspector.
21. This plan shall be void if the owner does not obtain a permit within 1 year of the date of approval.
(Water Protection Ordinance section 17-204G.)
22. Permanent vegetation shall be installed on all denuded areas within nine (9) months after the date the
land disturbing activity commences. (Water Protection Ordinance section 17-207B)
CONTRACTOR'S COORDINATION RESPONSIBILITIES
1. The contractor is required to obtain any/all permits required for construction of these plans. '
2. Any time work is performed off -site or within an existing easement, the. contractor is to notify the holder
of said easement as to the nature of proposed work and to follow any guidelines or standards "which are
associated with or referenced in the recorded easement. :
3. The contractor is to check that all easements, letters of permission, etc, are recorded/obtained prior to
the start of any construction.
4. Contractor to verify all site plans and profiles and details for consistency and if conflicts exists, contact
engineer for clarification and/or direction. Interpretation determined by contractor shall be done at his/her
own risk.
5. The contractor is to verify that the relocation of all existing utilities in conflict with proposed work has
been completed including utility poles.
6. Contractor shall comply with fencing and tree preservation signage required by Albemarle county code.
7. Contractor shall not rely solely on electronic versions of plans, specifications, and data files that are
obtained from the designers, but shall verify location of project features in accordance with the paper
copies of the plans and specifications that are supplied as part of the contract documents.
8. Contractor shall comply with all wetland permit requirements, if a permit exists.
9. Contractor shall be responsible for all relocations, (unless otherwise noted on plans) including, but not
limited to, all utilities, storm drainage, signs, traffic signals & poles, etc. as requiredl. All work shall be in
accordance with governing authorities requirements and project sitework specifications and shall be
approved by such. All cost shall be included in base bid.
10. Contractor shall control stormwater runoff during construction to prevent adverse impacts to off site
areas, and shall be responsible to repair resulting damages, if any, at no cost to owner.
11. This project disturbs more than one acre of land and falls within the Virginia Stormwater Management
Program (VSMP), General Construction Permit (GCP) program as administered by the Virginia Department of
Conservation and Recreation (DCR) under the jurisdiction of the EPA. Prior to the start ,of construction, the
contractor shall file a GCP notice of intent with the DCR and prepare a stormwater prevention plan in
accordance with the VSMP regulations.
12. Contractor shall coordinate with all utility companies for installation requirements anid specifications.
13. Contractor shall be responsible for site security and job safety. Construction activities ` shall be in
accordance with OSHA standards and local requirements.
14. Contractor shall dispose of demolition debris in accordance with applicable federal, state and local
regulations, ordinances and statutes.
15 Existing utilities shall be terminated, unless otherwise noted, in conformance with local, state'and individual
utility company standards specifications, and details. The contractor shall coordinate utility service
disconnects with the utility representatives.
GENERAL CONSTRUCTION NOTES:
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
unless otherwise noted.
3. Erosion and siltation control measures shall be provided in accordance with the approved erosion control
plan and shall 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).
1O.SL-1 safety slab locations are based on the assumed use of precast structures. if cast -in -place structures are
utilized, and the interior chamber dimensions are less than 4 feet, the safety slabs shall not be required.
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OWNER
UNIVERSITY OF VIRGINIA FOUNDATION
P.O. BOX 400218
CHARLOTTESVILLE, VA 22904
LEGAL REFERENCE & SOURCE OF TITLE: DEED BOOK 4170, PAGE 689
SITE AREA: 72.90 AC
MAGISTERIAL DISTRICT: SAMUEL MILLER
SOURCE OF BOUNDARY SURVEY: ALBEMARLE COUNTY GIS
SOURCE OF TOPOGRAPHY: ALBEMARLE COUNTY GIS
CURRENT
PROPOSEDSPOILS AREA
VICINITY MAP
SCAM: '1" - 1000'
EROSION AND SEDIMENT
CONTROL LEGEND
3.02 CONSTENTRANCE
CE
[3.0]3 �CONSTRUCTION
CRS
ROAD STABILIZATION �Rs
HFiT FENCE
[3, 0]5 WIRT BACKED SSF - -
[3.32 ENCF
P SEEDING
T PS Ps
MODIFIED
NSA MUD TRAP MT
*REFERENCE VIRGINIA EROSION AND SEDIMENT
CONTROL HANDBOOK (VESCH) FOR DETAILS
REGARDING INDIVIDUAL CONTROL MEASURES.
50 0 50 100 150
SCALE: 1" = 50'
l f 1 f l 1 1 1 it I
I I I I I I I I IIL0
I I I I I I I I I I I,i 1 SF
i 1 I 1 I 1 I '� l\ \• \ NOTE:
\SPOILS PILES TO BE DUMPED
` NQ CLOSER THAN 25' TO\
AMC PERIMETER�.CONTROLS
5/70
\ \ \ \ \NOTE:
\ VERL0, SIL FENCE 6' _
- - CONSTRUCTION SEQUENCE ;
\ \ \ \ Q IDE WIRE B CkEDLLT x `SF' 1
\ \ \ \ FENCE CE TMP- 76-13B "'to,
be \ \
\ \ \ \ \\ \\__used as Spoilsq Area \� \\ - INSTALL EROSION AND SEDIMENT \
SSF for "dredging \ CONTROL MEASURES \
} \ "".",,operations - at TMP , % . . _ . S
P �- � � 'COMMENCE DUMPING OF SPOILS WITHIN
\ \ \ \ \\ \ S6 ^59D2-01--2 (Boars `, \ -n -'---5- . PROTECTED FIELD TO WEST OF FOXHAVEN `
\ \ \ \ \ \ \ \ Head"14ke \ \ \ " 7a 1 / FARM ROAD
\ \ \ \ \ , SPOILS TO BE LEFT TO DRY BEFORE
\ G
BEING SPREAD ABOUT PROTECTED AREA
\ \ \ \\ \ X \ \ SPREAD SPOILS UPON REACHING DESIRED \
MOISTURE CONTENT
PERMANENTLY SEED DISTURBED I
P I TURBED AREA AS
\ \ \ L NEEDED
\ \ REMOVE PERIMETER CONTROLS AT THE
DIRECTION OF. ALBEMARLE COUNTY
INSPECTOR
\ TOTAL DISTURBED AREA: 2.42 Acs. '
v ' / ,
\
\ \
MUD TRAP TO $E \ X
\ \ \�35'05"AND 3\
EI (CAVATED DEPTH \ /
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DATE:
02-22-2019
SCALE:
1 "=50'
JOB:
FILE:
19.0377
SHEET:
OF 02
CONSTRUCTION OF A SILT FENCE
(WITHOUT WIRE SUPPORT) 2. EXCAVATE A 4" x 4" TRENCH
1. SET THE STAKES UPSLOPE ALONG THE LINE OF
1. SET POSTS AND EXCAVATE A 4"X4" 2. STAPLE WIRE FENCING TO THE POSTS.
STAKES.
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TRENCH UPSLOPE ALONG THE LINEMAXr--
-0F POSTS.
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—
3. 4. BACKFILL AND COMPACT
STAPLE FILTER MATERIAL
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FLOW I III �II' (IIII �II
TO STAKES AND EXTEND THE EXCAVATED SOIL.
4�,
IT INTO THE TRENCH.
3. ATTACH THE FILTER FABRIC TO THE WIRE 4. BACKFILL AND COMPACT THE
FENCE AND EXTEND IT INTO THE TRENCH. EXCAVATED SOIL.
t I;
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/_ _ ice-'.. ��*••
'.,
FLOW
SHEET FLOW INSTALLATION
(PERSPECTIVE VIEW)
I
EXTENSION OF FABRIC AND WIRE INTO THE TRENCH.
A MAX � A
0
FILTER FABRIC
\ /
—I I
POINT A SHOULD BE HIGHER THAN POINT B.
DRAINAGEWAY INSTALLATION
(FRONT ELEVATION)
'WIRE BACKED SILT FENCE- DETAIL (SSF) 3.05
SILT FENCE DETAIL (SF) 3.05
Not To Scale.
Not To Scale
70' MIN. EXISTING
A � PAVEMENT
5:1
III—ll-1 11=1 11=1 I I-111�1 i 4_
FILTER CLOTH 6" MIN A MOUNTABLE BERM
(OPTIONAL)
2'
SIDE ELEVATION
— —
#3, #357, or CLASS u
#5 STONE RIP RAP
EXISTING GROUND
FLOW
70' MIN. T
o v o
B WASHRACK 10' MIN.
(OPTIONAL)
- �-
0 0 0
r
STONE WEIR DETAIL 3
10' MIN.
12' MIN. �
_ EXISTING
Il PAVEMENT
-
�=III=11F=11r—
6' WIRE SUPPORTED
SILT FENCE
VDOT �1 EXPOSITIVE DRAINAGE 10' MIN.
COURSE. AGGREGATE B TO SEDIMENT I
I TRAPPING DEVICE y
_
* MUST EXTEND FULL WIDTH
AND EGRESS � � ^ � VIEW
OPERATIONPLAN(E \ ^ /
12' MIN.
3" MIN.
SEE STONE Note: Modified Mud Trap
To Be Placed At Low Point
WEIR DETAIL
3" MIN.
MODIFIED MUD TRAP
FILTER CLOTH—�
NOT TO SCALE
..SECTION A —A
s'-7"
REINFORCED CONCRETE DRAIN SPACE
SECTION B—B
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L c' . No.
56760
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DATE:
02-22-2019
SCALE:
N/A