lecture 12 Flashcards
design control
building codes are
codes adopted and enforeced by local government agencies to regulate the design, construction, alteration, and repair of building
why do we have building codes
to protect the public safety, health and welfare
what are model building codes
these are codes developed by national organization of exerts for adoption by local communities
what do building codes define in the project (10)
it allowable occupancy
its allowable height+ area
the type of construction used
emergency egress
accessibility
interior environment
energy efficiency
building materials
conveying systems
fire protection measures
ICC=
international code council
- found in 1944 by combining the BOCA, ICBO, SBCC
IBC =
international building code
published by ICC in 2000
what codes are necessary for residential construction?
IRC
IMC
IFC
IPC
IECC
IRC=
international residential code
- regulated construction of detached one and two family homes and some townhome projects
IMC=
international Mechanical Code
IFC=
international fire code
IPC=
international plumbing code
IECC=
international energy conservation code
it is critical to establish ____(x3) that residential construction are enforcing
codes, amendments and edition
zoning ordinances are rules that
manage growth
regulate land-us patterns
control building density
direct when development happens
protect areas of the municipality
conserve open space
so what does the zoning ordinance regulate?
type of activity
where the building can be built on the site
the size and scale of a building
where you can park
what is the first consideration for the design criteria for a project?
location
what forces or elements are categorized by regional location? (7)
climate zone
seismic zone
wind speed
ground snow load
frost depth
termite infestation
flood zone
habitable rooms are what
rooms that are occupied for living, sleeping, eating or cooking
non-habitable rooms are
closets, halls, bathrooms, and utility spaces
no habitable room shal have a dimension below
7’x10’
70 sf
at least ONE habitable room need to have what sf?
120sf
glazing are of a habitable room
8% of the floor area
ventilation area of a habitable room
4% of the floor area
max story height with wood frame construction
11’-7”
min ceiling in a habitable room
7’
min ceiling height for non-habitable room
6’ 8”
what are the primary code considerations when thinking about how to get out of the home in case of an emergency?
means of egress
min width of a hallway
3’
one exit does having the min dimentions of
3’ wide
6’ 8” tall
the exit path cannot go through what?
garage
min width of stairs
3’
min head clearance
6’ 8”
min depth of stair treads
10”
maximum height of stair risers
7 3/4”
how is a city zoned
the city is divided into a series of different districts
each district has similar compatible programming
each of these zones would house the same type of businesses, residences, industries, etc..
can there be an overlap between district? give an example
yes
think about a dentists office near a single family residence
what is the first thing you do once starting a project? (besides location)
check the site you are working on is zoned for what you want to do there
the first thing listed for R-1? whats next? then?
a statement of intent
then that only one structure is allowed per lot
next thing listed is the permitted uses
- includes churches, fire stations, schools, libraries, senior citizen housing, etc..
R-1-8 has what constraints? (5)
min lot of 8000sf
min lot width 65’
min front yard depth of 25’ or 20%
min rear yard 15’
min side yard width 10%
what do many zoning ordinances regulat?
the maximum percentage of the lot covered
the max stories of the building
the max gsf of the building
what is required for residence if they are on a local street?
2 parking spots
what CAN zoning regulate?(6)
light
noise
landscaping
building material+finishes
location of amenities like trash dumpsters
amount of windows
ADA=
americans with disabilities act
the ada stadards are not
CODES
they are just a set of enforceable guidelines and standards overseen by the justice department
PUT in place to protect the rights of individuals
what design elements are affected by the ADA guidelines
vertical height change
- ramps
turning radius
- 60” diameter min
- circular space/ T-shaped space
Approach
clearance
protrusions
reach
accessible routes
doors
- width of 32”
Maneuvering clearances
RAMPS ADA accessible
1:12 SLOPE
handrails- 36 inches
the rise for any ramp run shall be 30” before a landing
you need a landing if you change any direction aswell this needs to be 60”x60”
