LARE Reference Guide (Codes) Flashcards
Setback from property line for paved vehicular circulation ways such as parking, drives (except entrances) and loading spaces
15’ from any street ROW / property line along a street
10’ from any other property line
Building setbacks from property lines
At least 25’ from any street ROW/property line along a street and 15’ from all other property lines
Distance from any designated stream edge or other water body for any development requiring site disturbance.
Any development requiring site disturbance shall be set back at least 50’ (15m) from edge of waterbody
Activities allowed within a stream, lake, and wetland setback
Activities that require direct water access (e.g. boat docks, boat ramps, etc)
How far from the edge of a designated wetland area is needed for development requiring site disturbance?
100’ (30m)
What is restricted within a floodplain
Enclosed structures and their appurtenances (required accessory)
General buffer zone required between conflicting adjacent land uses (e.g. commercial/industrial and residential)
25’ (7.5m)
Uses not allowed in buffer areas
Active recreation, roads, parking, structures
Active recreation setback
30’ (9m) clear buffer zone around organized active recreational uses such as football, soccer, baseball, volleyball, basketball or uses of similar nature.
cannot contain pedestrian circulation except direct access
When is a guardrail required
On retaining walls where the differences in grade on either side of the wall are in excess of 2.5’ (.75m) AND are located within 3’ (1m) to a walk, path, parking lot, or driveway on the higher elevation
Guardrail height
42” (1.1m) measured vertically from the leading edge of a stair tread or adjacent walking surface
How large of an opening can exist between balusters or other constructions in a guardrail system?
Small enough so a sphere of 4” (100mm) in diameter cannot pass through
Orientation of a baseball/softball field
East-northeast from home plate to centre field
Orientation of fields and courts (other than baseball/softball)
Long axis north-south
Maximum length for a cul-de-sac and where is it measured to
800’ (240m)
Measured from the centreline of the connecting road to the radius point of the cul-de-sac bulb
A vehicular circulation that is not considered a primary circulation route
A drive solely used for parking lot ingress/egress
Alignment of intersections
Intersections shall be directly aligned or offset 150’ (45m) between the adjacent curbs or edge of travel lanes
Alignment of driveway entrances
Align on centre with streets or other driveways or offset a minimum of 75’ (23m) between adjacent curbs/edge of path of travel
Minimum sight triangle requirements
Provide a total unobstructed view of 45’ (11.5m) at a height of 2’ (0.6m)-5’ (1.5m)
Two way road width
22’ (6.7m) minimum
26’ (8.0m) maximum
One-way road width
11’ (3.3m)
Minimum inside turning radius for automobiles
18’ (5.5m)
Minimum inside turning radius for large vehicles such as trucks, buses, and emergency vehicles
30’ (9.1m)
Standard parking space dimensions
9’ x 20’ (2.7m x 6m)
Dimensions for parallel parking spaces
Minimum length of 22’ (6.7m)
Maximum width of 9’ (2.7m)
Slope of parking areas
Not to exceed 5%
Requirements of off-street parking areas with more than forty spaces
Maximum of 10 contiguous spaces without an island
Minimum width of parking island 9’ (2.7m)
Dimension of a standard bus loading/unloading space
12’ x 45’ (3.6m x 14m)
Off-street stacking dimensions
Drive lane no less than 11’ (3.3m), each space a minimum length of 18’ (5.5m)
Off-street stacking spots required for uses with drive up windows
6 spaces including the one at the window. 2 additional spaces for each additional window or unit
Off-street stacking spots required for unattended drop boxes.
2 spaces per box
Dimensions for drop off/pick up areas
Minimum length of 22’ (6.7m) and minimum width of 9’ (2.7m) per vehicle
Service areas require a turn around area of what length?
20’ (6m)
Minimum number of accessible spaces required in a parking area
1 for every 25 total spots
Over 500 spots, 2% of total
Over 1000 spots, 20 plus 1 for each 100 over 1000
What is the ideal location for accessible parking in relation to the building it services?
Shortest accessible route of travel from adjacent parking to an accessible entrance
Requirements for accessible entrances
50% of all public (not loading or service) entrances, one of which is ground level
Minimum clear width of an accessible route
3’ (1m), except at doors
Doors on accessible routes shall have a maximum threshold rise of ______?
1/2” (13mm)
Maximum slope of a curb ramp
1:12
Maximum slope of gutters or accessible routes adjoining a curb ramp shall not exceed what slope?
5%
Minimum width of a curb ramp, exclusive of flared sides
3’ (1m)
Maximum slopes of flared sides for ramps
1:12
When would a flared side be needed on a ramp over a return curb?
Flared sides are required if pedestrians are required to walk across the ramp or where the ramp is not protected by handrails or guardrails
General parameters for a ramp on an accessible route
Minimum 5% slope with a clear width of at least 3’ (1m)
Maximum slope of a ramp
1:12 with a maximum rise for any run shall be 2.5’ (0.75m)
Slope requirements of a landing on a ramp
2%
Width requirements for landings on ramps
Landing shall be at least as wide as the ramp run leading to it
Minimum length of a landing on a ramp
5’ (1.5m)
What factors can impact the size of a landing on a ramp and how would the size be impacted
If ramps change direction at landings, the minimum landing size shall be 5’ x 5’ (1.5mx1.5m)
Maximum cross slope of ramp surfaces
2%
What parameters of a ramp design would necessitate handrails?
A rise greater than 6” (150mm) OR a length greater than 6’ (1.8m).
If a ramp is 6’ (1.8m) long (or - has a rise greater than 6” (150mm), how many handrails would be required. What would the exception be
On on each side, exceptions for curb ramps or ramps adjacent to seating in assembly areas
Where does a handrail need to be continuous in a ramp design
The inside handrail on switchback or dog leg ramps shall always be continuous
What are the requirements for handrail extensions on stairs and ramps
12” (300mm) beyond the top and bottom of the ramp segment, parallel with the floor/ground surface.
Extensions shall not extend into adjacent walks
Spacing required between the handrail and the wall
1 1/2” (38mm)
Height of the top of the handrail gripping surface
34” and 38” above ramp surface (850 - 1050mm)
Handrail diameter
Outside diameter of minimum 1 1/4” (32mm) and maximum 2” (50mm)
Maximum riser height
7” (175mm)
Minimum riser height
4” (100mm)
Minimum tread depth
11” (275mm)
How to measure the tread depth (from which point to which point)
Measure horizontally from the tread’s leading edge to the next read’s leading edge
Slope requirements on stairs
Treads shall have a wash of 2% from back to front to allow for drainage and minimize pooling water and ice hazards
