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80 Cards in this Set

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PROPERTY LINE SETBACKS




VEHICULAR CIRCULATION WAYS

-At least 15' from any street ROW


-At least 10' from other property lines

PROPERTY LINE SETBACKS




BUILDINGS

-Bldgs to be 25' from any street ROW


-Bldgs to be 15' from all other property line


PROPERTY LINE SETBACKS




STREAM, LAKE AND WETLANDS

-50' - for structures, roads, and parking - from any waterbody edge.


-100' -for structures, roads, and parking - from the edge of a wetland.

PROPERTY LINE SETBACKS




FLOODPLAIN RESTRICTIONS

- Enclosed structures are not permitted within the flood plain


-any modification to a floodplain must be mitigated on site.

ACTIVE RECREATION SETBACK

30' clear zone, free of obstructions, around organized active recreation fields.

SECURITY SETBACK

For planting - Clear zone of 3' shall be maintained when measured from a ht of 3' to 8'.

General Policy: BUFFER ZONE REQUIRED

-25' Buffer zone from different zoning uses.


-a buffer zone can not be utilized for structures, roads, or any active recreation.

VEHICULAR REQUIREMENTS




MAX LEGHTH OF CUL-DE-SAC

800'



VEHICULAR REQUIREMENTS




STREET INTERSECTIONS

must be directly aligned or the street CL offset min 150'

DRIVEWAY ENTRANCES

-Must be directly aligned with the street or driveway CL must be offset 75' min from street CL



SIGHT TRIANGLE

Unobstructed view for 45' from an intersection of the edge of pavement and of 2'-5' ht.

DROPOFF AREAS

-Min lenght 22'


-Min Width 9'



TRAVELWAYS

-2 Way - min 22' and max 26' Wide


-1 Way - min 11' W

TURNAROUND RADIUS - MINIMUM

automobiles - 30' to outside edge of pavement


Large Vehicles - 45' to outside edge of pavement

PARKING - DIMENSION

9'X20'

PARALLEL PARKING - DIMENSION

9'X22'



PARKING ISLAND

OVER 40 PARKING SPACES:


-one island per 10 spaces


-min W of island 9'



PARKING SLOPE

NOT EXCEED 5%

PARKING DESIGN

-shall not necessitate backing from a space into street or entrance.


-no dead end parking areas permitted.

STANDARD LOADING SPACE


BUS LOADING SPACE

12'X45'





SERVICE AREAS - turnaround

Must incorporate a min of 20' turnaround to accommodate service vehicles

OFF STREET STACKING SPACES

-at least 6 vehicles spaces for the first window


-2 thereafter for each additional window


-W of drive-thru - 11'


-Min length of 18'



ADA PARKING

- 8'X20' and 5' wide access.


-shall be located on the shortest accessible route of travel from the adjacent accessible entrance.


1 per 1 to 25


2 per 26 to 50


...


2% of total per 501 - 1000


20 Plus 1 for each 100 over 1000


ADA ACCESSIBLE ROUTE




DIMENSIONS AND STANDARDS

-At least 50% of all public entrances must be ADA


-Not loading or service entrances


-min clear width 3' - except at door


-max rise @ threshold 0.1'

CURB RAMPS



LOCATION, W, SLOPE, SIDE OF CURB RAMP

-curb shall be provided whenever an accessible route crosses a curb.


-max slope 1:12


-max slope of adjoining gutter - less than 5%


-min W of curb ramp - 3'


--flares shall be provided where is not protected by handrails


-max slope of flares shall be 1:12



RAMPS

-any accessible route with a slope greater than 5%.


-min W - 3'


-Max horizontal distance - 30'


-Max rise 2.5'

RAMP - SLOPE AND RISE

-Max slope of ramp 1:12 - 8.33%


-Max rise for any run - 2.5'


-Max cross slope 2%

LANDING

-2% cross slope for drainage


-at least as wide as the ramp run


-Lenght - 5' min


-min landing -5'x5' if ramp change direction



RAMP HANDRAILS

-required on any rise greater than 6" or greater than 6' long


-shall be on both side of the ramp- continuous


-extend 12" beyond top and bottom


-clear space between wall - 1'1/2"


-34"-38" HT top of handrail


-circular cross section- Diameter at least 1'1/4"- less than 2"


-3' min clear between handrail

STEPS- FORMULA

2R+T=26 IN

STEPS- THREAD & RISER

-max riser 7"


-min riser 4"


-min thread 11"


-2% slope for pitch



STEPS - NOSINGS

-2" radius or less


-60 angle slope max


- max projected 1'1/2" except for brick - < 1/2"





STEPS - HANDRAILS

-steps over 42" W- handrail - both sides


-steps less 42" W - handrail one side only


- 12" extend on ends


-clear space between the wall


- 1'1/2"-34"-38" HT top of handrail


-circular cross section- Diameter at least 1'1/4"- less than 2"

GUIDERAILS

-required on retaining wall where grade level exceed 2.5' and located closer than 2' to a path


-min 42" ht


-max opening between balusters - 4"

RUNOFF COEFFICIENT

Q=CIA




Q= quality of runoff in cubic feet per second


C= runoff coefficient


I= intensity of rainfall in inches per hour


A= Area in acres



MAX SPAN FOR SPACED BOARDS - DECKING

1X4 - 12"


5/4X6 -16"


2X4 - 24"


2X6 - 24"

MAX SPANS FOR JOISTS

MAX BEAM SIZE AND SPAN

SUSTAINABILITY

meeting the needs of the present without compromising the ability of future generations to meet their own needs.

URBAN SPRAWL

since WWII is the most environmentally damaging urban trend.



MINIMIZING DISTURBANCE - urban planning

cluster buildings


increase density


smaller building footprints

STORMWATER - KEY ELEMENTS

-use it as a resource


-capture runoff


-encourage infiltration


-use water efficiently

BUILDING LOCATION

managing solar influences on site


balancing earthwork


maximizing utility and aesthetics on-site


open space shall be located on the southern

SITE ANALYSIS - SITE CHARACTERIZATION

Geotechnical analysis


depth of bedrock


depth of groundwater


seasonal high water table


soil test

SPORTS


- BASEBALL AND SOFTBALL ORIENTATION

EAST - NORTH EAST


FROM HOME TO CENTER FIELD

SPORTS


TENNIS, BASKETBALL, VOLLEYBALL ORIENTATION

LONG AXIS NORTH-SOUTH

SPORTS


FOOTBALL, SOCCER - ORIENTATION

LONG AXIS NORTH- SOUTH

ZONING REGULATIONS

parking configuration


lot sizes


setbacks


road width


road profile restriction


sign requirements

LOCAL REGULATIONS

noise


pollution loading restrictions


solar access

LAND DEVELOPMENT REGULATIONS

local street design


open spaces


lighting


subdivision standards


minimum landscaping

LOCAL REQUIREMENTS OF INITIAL CONCERN INCLUDES

permit uses

density


min lot size


setbacks and open space

LOCAL OFFICIALS VS ZONING REGULATIONS

local officials may have the authority to waive or modify provisions of the land development ordinance (case by case)




Zoning regulations are enforceable and cannot be waived without jurisdiction and a formal waiving process.

ENVIRONMENTAL SITE ASSESMENT - ESA

is a risk assessment used in the planning and feasibility stages of real estate development, evaluates property for conditions that indicate possible environmental contamination

BROWNFIELD

abandoned or underutilized properties that are environmentally contaminated or are perceived as being contaminated from past industrial or commercial activities.

QUALITY COMMUNITY -KEY ELEMENTS

a sense of place


human scale


self-contained neighborhood


diversity


transit friendly design


trees


safety


outdoor rooms

RESIDENTIAL DEVELOPMENT - KEY ELEMENTS

style and affordability


lot layout


character


good location: surroundings, access, security, amenities and sense of neighborhood

QUALITY OF LIFE APPROACH

balancing the number of dwelling units and the development cost with the interest of the community and the environment

GRID LAYOUT

can be monotonous


effective way of subdivide


maximize lots per linear feet of street


straight streets invite to faster speed

NARROW LOTS

-home pattern with garage in front of the house facing street.


-3000 - 4800 sf


-6-8.5 lots per acre


-40ft wide


-10ft side yard


-20 ft garage


-25ft house


-minimal backyard privacy

WIDE SHALLOW LOTS

standard width house and garage


traditional neighborhood


6-7 units per acre


lack useful yard space


development cost is higher



CLUSTER DESIGN

encourage the preservation of open space


reduce visual impact


allow same number of units in smaller spaces


more open space


preserve important natural functions


is sensitive to the character of the site

Z-LOTS

zero lot line layout


house is placed on or very near lot line


is often slanted relative to the street to appear of a wider lot


maximize privacy



CPTED - CRIME PREVENTION THROUGH ENVIRONMENTAL DESIGN

-provide effective lighting


-assure good lines of sight along streets and paths.


-use traffic calming measures


-consider plants for crime prevention - low planting 24"


-use vandal proof materials


-increase evidence of formal and informal surveillance.


-restrict traffic on residential streets


-encourage people to observe street and public


-textural changes on wall or pavement.


-elevation changes, barriers.

SLOPE FAILURE

-overloading slope


-increasing fill on slope without drainage


-removing vegetation


-increase slope grade


-increase slope length


-changing surface drainage route


-changing subsurface drainage route

COMMERCIAL LOT LAYOUT

-U shape- increase the amount of parking area


-Strip - parking stretch out before strip



COLOR ON SURFACES

colored surfaces tend to stand out in the landscape


darker color tend to recede and blend in

WATER

people are drawn to water more than any other single landscape element

PAVERS

TYPE I: HEAVY TRAFFIC


TYPE II: RESTAURANT ENTRANCES


TYPE III: RESIDENTIAL AND LIGHT DUTY



BRICK PAVERS

MX GRADE: not recommended in zones that will be saturated with water.


SX GRADE: resist to freeze- costly

POROUS PAVING

SYSTEMS ARE NOT RECOMMENDED FOR AREAS WITH SLOPES GREATER THAN 5%

PLAYGROUND DESIGN

KEY ELEMENTS


performance of equipment


surfacing and fall protection


evaluation and selection of materials

PLAYGROUND EQUIPMENT

no direct street access


70 sf per child


21 sf per family


50-60% area / turf


12ft space between equipment pieces





PLAYGROUND SURFACING MATERIALS

UNITARY MATERIALS: JOINED MATS, POURED IN PLACE


LOOSE FILL: SAND, SHREDDED BARK, SHREDDED FOAM.



BIKE ROUTES

commuter


recreational


neighborhood


- rail-to-rail - flat and not more than 3% slope


-Mountain Bikes - 20% Slope max


-Bike routes - max 4-5%

ELDER POPULATION DESIGN

-small turning radii


-visual signs- changes in color or textures


-greater illumination


-more seating areas


-tactical signals


-handrails at sudden grade changes


-6' min walkways

DOG PARKS

- 3 acres


-4-6ft ht fence


-double gate at long side of the park


-entrances close to parking


-corner areas to be avoided for entrances.



STREET DESIGN

-neighborhood streets shall be narrower and pedestrian friendly.


-suburban street posted at 25 - 35mph ( up to 45-50mph)


-suburban street W from 16ft to 36ft.


-long streets lead to higher speed



WOONERF

EUROPEAN DESIGN STREETS WITH PAVERS INSTEAD OF ASPHALT



TRAFFIC CALMING DEVICES

choker


speed bumps


narrower streets


pedestrian islands


roundabouts

CUL-DE-SAC

10-12 FAMILIES


60' MIN


FIRETRUCK R=48'


MAX LENGTH = 800'