REQUIRED ITEMS AND SHEETS
Sheet 1- COVER SHEET:
a
1.Preliminary
Plat/Subdivision Name
a
2.Overall Subdivision
Map with Phases Labeled
a 3.Tax
Map/Parcel- Deed Book/Page Reference
a 4.Election
District
a 5.Vicinity
Map
a 6.Owner/Developer
Name & Address
a 7.Engineering
Firm and Address
a 8.Sheet
Index
a 9.Certifications:
Surveyors, As Built, Construction including Grading, SESC & SWM
a 10.General
Notes:
a. Site
Data- number of lots and use, acreage computation (lots, r/w, SWM, open space, gross density)
b. Source of Topography and Date
c. Floodplain Note
d. Any known sinkholes, steep slopes, rock outcroppings,
wetlands
e. Proposed public improvements (sidewalks, street trees,
fire hydrants, etc)
f.
Parking Calculations
Sheet 2- NOTES:
a 1.General
Project Notes
a 2.Construction
Notes
a 3.Grading
and Drainage Notes
a 4.Road
Notes
a 5.Water
and Sewer Notes
a 6.Sequence
of Construction
a
7.Sediment Control Notes
a
8.Symbols legend
a
9.Typical Lot Detail
with setback and typical structure with elevation splits
Sheet 3- EXISTING FEATURES AND TOPOGRAPHY:
*NOTE ON SHEET IF ANY OF THE FOLLOWING OCCUR OR NOT
**PRELIMINARY PLAN GHOSTED IN BACKGROUND
a
Two Foot Topography (100’
minimum beyond property lines and
200’ minimum for primary
downstream channels)
a Sinkholes/Rock
Outcroppings
a Wetlands
a Water
Courses
a Tree
Groves
a Swamps
a Soils
Information
a Any
Natural Features
a Scenic,
Historic Areas, and Graveyards
a Utitilities
including Electric, water/sewer lines, gas lines and phone poles
a Fire
hydrants
a Gas
Lines
a Power
Transmission towers
a
Existing buildings, roads,
driveways,
and other impervious areas
a
Wells and Septic Fields
a
ROWs, easements, etc
a
Buildings to be
demolished
Sheet 4- Subdivsion/Site Plan OVERALL Layout
a Street
Layout, ADT, Classification, Names, Connection Points
a Lots,
ROWs, BRLs, Open Spaces, SWM Areas, Buffer Areas
a Bridges
and Other features
a
All Signage including
entrance features, recreation areas, tot lots, open spaces, amenities, etc.
a
Accessibility, including
parking ramp locations
Sheet 5- PRELIMINARY PLAT:
a 1.Title
Block
a
2.North Arrow/Scale
a
3. Permanent Benchmarks
with descriptions, accurate location, and elevations along with reference datum
used
a 4.Proposed
Lots with dimensions, area, BRLs,
a 5.Adjacent
Property Owners (with TM/P, DB/PG, Acreage, Current Land Use)
a 6.Property
Boundary, including residue, w/ bearings and distances, line/curve data
a 7.Proposed
and Existing Easements with bearings and distances
a 8.Property
corners and concrete monuments
a 9.Open
Space (with area/use)
a 10.Existing
Streets (with name and width)
a
11.Proposed Streets
(with name, class, width, ADT
a
12. Parking lots with
calculations, spaces calculated
V 13.Septic
Reserve Areas (including setback)
V
12.Well locations
V
13. FEMA floodplain
boundaries labeled and delineated
V
Sinkhole Locations
Sheet 6- GRADING PLANS
a
2’ topography (100’
minimum beyond property lines and 200’ for primary downstream channels):
Proposed contours darker with existing contours grayed out
a
All drainage features-
NOTE all features must be sized and located to provide satisfactory drainage-
pipes, culverts, ditches, gutters, and inlet capture and spread
a
Rip Rap aprons to scale
and labeled per calculations
a
Proposed streets, pads-
indicate curb, gutter, edge of pavement, etc
a
Label proposed slope
areas/engineered slopes (i.e. 2:1, 3:1, etc)
a
Flow arrows, ditch %
slopes, and clear contour labeling
a
Spot elevations for all
pertinent features- inlets and storm sewer features, culvert inverts, manholes,
etc.
a
Location of all
Benchmarks and the elevations for some on the plans
a
Bridges, retaining
walls, etc
a
Soil Borings/sinkhole
locations
a
Lot grading to include
first flood elevations (FFE), garage floor elevations (GFE), basement floor
elevations (BFE), and driveway slopes
a
Permanent erosion
control features
a
Accessible parking
spaces to meet ADA requirements (<2% in any direction, paths to structures,
etc)
a
FEMA floodplain
delineated and labeled
SHEET 7- UTILITY PLAN (OVERALL GEOMETRIC LAYOUT OF ALL
UTILITIES
a
Water: All existing and
proposed water lines, fire hydrants, valves, components, forcemains. Connection
locations, pressure and flows as connection points
a
Sewage: All existing and
proposed sewer line force mains, manholes, etc. Invert at connection points and
capacities of system receiving flow and flow direction
a
Wells within 100’ radii
a
Septic field areas and
keyed perc test results
a
Pumping stations and any
other required improvements
a
Storm Sewer: size,
types, material, slopes, inverts, inlet and manhole tops, etc. labeled for all
features- pipes, inlet, end sections, etc.
a
All existing and
proposed utility easements
SHEET 8- PLAN AND PROFILES- STREETS AND WATER
a
Overall layout with:
Street layout, ADT, Design speed, Classification, Street Names, Connection
points, signs, ROW, EOP, EOS, Curb, etc
a
Profile sheets with
scale of 1”=50’ horizontal and 1”=5’ vertical
a
Stationing every 50’
minimum
a
Crossings
a
ADT computations at all
intersections
a
Existing and Proposed
grades and approach grades labeled
a
Turning flare radii
labeled at intersections
a
Horizontal curve radii
and geometric data
a
Vertical curve geometric
curve data (AASHTO K-values) or stopping sight distances shown
a
Clear sight triangles
a
All Drainage features
a
Waterlines required on
street profiles- show stationing of all pertinent features
SHEET 9- PLAN AND PROFILES- SEWER
a
Existing and Proposed
grades
a
Stationing every 50’
minimum
a
Stationing of pertinent
features
a
Labeling of all inverts,
top of manholes, crossings, etc.
a
Size, types, material,
length, slopes, tops, labeled for all appurtenances
SHEET 10- PROFILES- STORM SEWER
a
Existing and proposed
grades
a
Size, types, material,
length, slopes, inverts, tops, labeled for all appurtenances
a
Inverts, top of inlets,
etc shown and labeled
a
Schedule of inlets and
manholes- to include structure number, size, types, etc.
a
Driveway culvert chart
a
Q25 and V25 labeled on
all charts
a
Design tables (if not
included in report)
a
Rip rap aprons shown and
labeled with sizing data on all outlets
a
25 yr HGL shown on all
storm sewer runs
SHEET 11- SESC PLAN
a
Existing and proposed
grades
a
Soil areas delineated
and labeled
a
Drainage areas
delineated and provided for sediment control features
a
Silt fence, super silt
fence, diversion dikes and ditches, inlet/outlet protection, rip rap aprons,
stone check dams, etc shown clearly
a
Silt traps and basins
shown with details, sizing calculations, dewatering devices and profile view
a
Stabilization measures
of all slopes, channels, and concentrated flow areas clearly shown
a
Stabilized construction
entrances at all site entrances shown to scale
a
Stockpile areas with
silt fence downgrade
a
Total disturbed area
delineated and labeled
a
Total cut/fill volumes
and area labeled on plans
SHEET 12- SESC DETAILS
a
Details for all measured
used (WV or MD references)
a
Permanent and temporary
seeding notes
a
Maintenance schedule and
instructions
SHEET 13- SWM PLAN AND PROFILES AND NOTES
a
Profiles through ponds
and embankments showing proposed and finished grading
a
Basic ponds dimensions
labeled
a
Show top of berm with
top of settled berm, spot shots, core trench, impervious core, anti-seep
collars, low flow orifice protections, emergency spillway, etc. shown
a
Structural details for
all SWM features – Weir wall design and structural details, outlet structure
details, trash racks, etc.
a
Unified sizing volumes
a
WqV, 1yr-CpV, 10-yr,
25-yr, and 100-yr WSE’s shown
a
Landscaping plans,
stormwater management plantings and aquatic vegetation schedule
a
Safety benches or
fencing
a
Maintenance schedule and
instructions
a
Outlet dissipation
devices shown to scale with details
a
Primary offsite outlets
shown
a
Any required easements
shown
a
Details of all
structural and non-structural features
a
Flood plain and
hydraulic studies
SHEET 14- DETAILS
a
All signage – street and
traffic control
a
Sidewalk / Curb and
gutter
a
Typical cross-section
for each street
a
For proposed streets
adjacent to developed areas or properties not owned by the developer
cross-sections for every 50’
a
Bridges
a
Drainage features –
headwalls, ditch sessions, inlets, etc.
a
Sanitary sewer details
a
Water details
a
Pump stations
a
Retaining walls
a
Typical parking space
a
Accessibility ramps and
parking spaces
a
Indexed ditch
cross-sections with 25-yr flow depth shown
SHEET 15- LANDSCAPE PLAN (REQUIRED FOR LDU’S)
a
Delineate
buffers/planting screen easements
a
Type of Plantings and
how many of each
SHEET 16-SLOPES ANALYSIS SHEET (IF REQUIRED)
a
Existing grades shown
overlain with proposed developments areas (including lots, SWM, streets)
a
Slopes areas indicated,
amount of area in each slope category, and percentage of each category
disturbed indicated