Chapter 14
Floor-Plan Symbols
Links for Chapter 14
Walls and Partitions
Stairs
Doors and Windows
Fireplaces
Cabinets and Fixtures
Other Floor Plan Symbols
2
Introduction
• Symbols are used on floor plans to describe
items that are associated with the home
• Floor plan should be easy to read and
uncluttered
• See figure 14.2
3
Wall Symbols
• With CADD, walls are drawn to the exact
thickness
• Studs are vertical construction members
used for framing walls
– A 2 X 4 is actually 1 1/2” x 3 1/2”
– A 2 X 6 is actually 1 1/2” x 5 1/2”
4
Walls and Partitions
• Draw exterior wood walls 6”
• Draw exterior masonry walls with an
additional 5” for a total of 9 1/2”
• Draw partitions (interior walls) 4” thick
• The soil stack wall should be drawn 8”; the
soil stack is a vertical soil pipe carrying the
discharge from the toilet fixture
5
Walls and Partitions
• What is drywall?
• What is gypsum?
• Masonry veneer used on interior walls
6
Walls and Partitions
7"
5"
1/2" GYP SUM
EXTERIOR
IN TERIOR
1/2" GYPSUM
EXTERIOR
INTERI OR
2X6 STUD
2X4 STUD
1/2" SHEATHING
SIDING
1/2 " SHEATHING
SIDING
TYPICAL 2 X 4
EXTERI OR WALL
TYPI CAL 2 X 6
EX TERIOR WAL L
2X6 AS NEEDED
9 1/2"
1/ 2" GYPSUM
EXTERIOR
INTERI OR
EXTERIOR
1/2" GYPSU M
BOTH SIDES
6 1/2"
2X4 STUD
4" MASONRY
1/2" SHEATHING TY PICAL
2X4 STUDS
1" AIR S PACE
EXTE RIOR WALL
WITH MAS ONRY VENEE R
INTERI OR
4 1/2"
INTE RIOR WALLS
7
Wall and Partitions
• Walls are shaded so they stand out from the
rest of the drawing
• This is referred to as poché, is commonly
done on the back of the drawing to avoid
smudging and should be done last
• Wall shading should be the last drafting task
performed
8
Wall and Partitions
• Partial walls are at least
36” above the floor and
defined with a note
• Guardrails are noted
and at least 36” tall with
no more than 4”
between rails
PICTORIAL
LOFT
36" HIGH GUARDRAIL
OPEN TO LIVING RM.
BELOW
GUARDRAIL AT LOFT OR BALCONY
36" HIGH GUARDRAIL
PICTORIAL
DECK
GUAR DRAIL AT DECK
9
Door Symbols
• Exterior doors are drawn
with sill on the outside
about 1/16” away
– Main door is usually 3’-0”
– Other exterior doors are
2’-8”
– Most doors are 6’-8” tall
10
Door Symbols
• Interior doors are drawn
without a sill
– Utility rooms 2’-8”
– Bathrooms 2’-4” to 2’-6”
– Other rooms 2’-6” to 2’8”
– Closets 2’-0” to 2’-4”
11
Door Symbols
• ADA specifies that all
doors be 36” wide
• Pocket doors slide into
the wall and require no
swing
• Bipass door is used on
a closet and one door
slides behind the other
12
Door Symbols
• Bifold doors are
used for a closet
and open
independently
• Double-entry or
French doors is for
a formal entryway
13
Door Symbols
• Glass sliding doors
save floor space and
are for a more
contemporary house
• Double-acting doors
are between a
kitchen and eating
area
14
Door Symbols
• Dutch doors open at
the top and the bottom
• Accordion doors are
used for a closet
15
Door Symbols
• Garage doors
range from 8’-0” to
18’0” wide and 7’-0”
high
• The open position
is shown as dashed
lines
DRAWN WITH DASHED
LINES TO DENOTE DOOR
HEADER
16
Window Symbols
• The sill is drawn on both the inside and
outside of the window
• Windows range in size from 2’-0” to 12’-0” at
intervals of 6”
• Size of the window depends on its purpose
and if it should open or not
17
Window Symbols
• Casement windows
are able to be opened
100 %
18
Window Symbols
• Pictorial windows have
two windows that slide
vertically
19
Window Symbols
• Awning windows are
used in basements or
below a fixed window
20
Window Symbols
• Fixed windows are
larger and do not open
or close
21
Window Symbols
• Bay windows extend
beyond the wall and
can extend from the
floor to the ceiling or
contain a bench
FLOOR PLA N REPR ESENTATIO N
12"-18"
3" MIN.
18"-24"
48"-60"
6'-0"
DIMENSION S FOR A COMM ON
SMALL SIZE BAY WINDOW
22
Window Symbols
• Garden windows are
usually in a kitchen or
utility room
• Skylights add natural
light and are drawn
with dashed lines on
the floor plan
24"x36" DBL GLAZE
INSULATED SKYLIGHT
PIC TORIAL
23
Schedules
• Schedules are used to describe items on
the floor plan and include:
– Manufacturer
– Product name and model number
– Type and color
– Quantity and size
– Rough opening
24
Schedules
25
Kitchens
VERIFY AVAILABLE SIZES
DOUBLE SINK
32" X 21"
32"
800mm
3" 24"
600mm
15" RECOMMENDED
375 MINIMUM
mm
LAZY SUSAN
20" - 30"Ø
TC
LS
12"
300mm
UPPER
CABNETS
24"
600mm
GD
FOOD BAR, HEIGHT:
30" BAR CHAIR
36" TO 42" BAR STOOLS
DW
DISHWASHER
TRASH COMPACTOR
4'-6" LUMINATED LIGHT PA
SEE ELECTRICAL PLAN.
18"
450mm
COOK TOP
OR FLOOR
FROM 30"
VENT ALL
BASE
CABNETS
WITH HOOD
EXHAUST FAN
TO 48" WIDE,
FANS TO OUTSIDE
REFRIGERATOR
36" WIDE MIN.
900mm
30"
760mm
REFER
PANTRY
BROOM
PANTRY VARIABLE SIZE
12" (300mm) MIN
3" (75mm) INCREMENTS
BUILT-IN
STANDING
AND OVEN
HOOD AND
PROVIDE 36" (900mm) MIN
CLEARANCE TO ISLANDS
LINE OF SOFFIT
24"
600mm
OR FREE
RANGE
WITH
FAN
DOUBLE OVEN
OR MICRO OVER
OVEN
VERIFY FIXTURE AND APPLIANCE DIMENSIONS WITH PRODUCT SPECIFICATIONS.
VERIFY DESIGN AND DIMENSIONS FOR DISABLED ACCESS WITH THE MANUAL OF
ACTS AND RELEVANT REGULATIONS FOR THE AMERICANS WITH DISABILITIES ACT.
26
Bathrooms
27
Utility Rooms
D
L / T
W
5'-6"
MIN.
SHELF
D
W
28
Wardrobe Closets
WALL
SHELF
SHELF & ROD W/
CENTER SUPPORT
ROD
3" MORE OR LESS
DEPENDING ON
JAMB DETAIL
A SECTION
29
LANDING
Stairs
UP
UP
UP
TREADS
RISER
STRAIGHT
FLIGHT OR
ST RAIGHT P LATFORM
U-SHA PE
UP
6" MIN
UP
UP
WINDERS
L-SH APE
SPIRAL
30
Stairs
•
•
•
•
•
Minimum stair width is 36”
Tread depth should be 10” to 12”
Risers range between 4” and 7 1/4”
Stair angle should be between 30° and 35°
Landings should be equal to the width of the
stairs
31
Stairs
• Clear height of 6’-8” is the minimum amount
of headroom
• Handrail should be between 34” and 36”
above the stair nosing
• Guardrails should be at least 36° and have
openings no greater than 4”
32
34" HIGH HANDRAIL
STORAGE
CLOSET
UP 14R
Stair Design Formulas
34" HIGH HANDRAIL
5/8" TYPE 'X' GYPSUM
AT ALL USABLE STORAGE
LOWER
FLOOR
PLAN
STAIR WELL OPENING
• 2R + T = 24”-25”
• R + T = 17”-17 1/2”
• R X T = 70” to 75”
NOSING
HEADER
RUN
TREAD
10 1/2 "
9" MIN
12" MAX
TOP PLATES
HEADER
RISERS
B
PLATE
TREAD
SOLID BLOCK
STUDS
SILL
ANGLE 30-35Þ
R = Riser dimension
T = Tread dimension
FLOOR JOIST
HEADER
NAILER
5/8" TYPE 'X'
STRINGERS GYPSUM
RISER
SHOE
SOLID BLOCK
11'-4 1/2"
TOTAL RUN
STAIR
SEC TION
A
NOTE: THE DIMENSIONS PROVIDED IN THIS
EXAMPLE ARE FOR THE STAIR DESIGNED FOR
THE HOUSE DISPLAYED THROUGHOUT THIS TEX
MINIMUM AND MAXIMUM DIMENSIONS ARE ALSO
GIVEN FOR REFERENCE WHERE APPROPRIATE.
GENERAL CONSTRUCTION MATERIAL NAMES ARE
GIVEN HERE FOR REFERENCE ONLY. ACTUAL
SIZES AND SPECIFICATIONS ARE GIVEN IN
CHAPTER 38 STAIR CONSTRUCTION AND LAYOU
33
Stair Floor Plan
•
•
•
•
•
DN = Down, UP = Up, R = Risers
Rise is one tread and Run is one riser
Always one less run than rise
Stair length = tread length X number or runs
Landings are at least 36” x 36”
34
Stair Floor Plan
36" GUARDRAIL
DN 14 R
34" HANDRAIL
36" MIN. RAIL
USE D AS F IRE PROTE CTION
UND ER STA IRS
5/8"TYPE
'X' GYPSUM
UNDER STAIRS @ ALL
USEABLE STORAGE
SPIRAL STAIRS
34" RAIL
STAIRS WITH WINDERS
35
Fireplaces
4'-8" TO 5'-4"
8" MIN.
MASONRY
FIREBRICK
SCREENED CLOSABLE
VENT WITHIN 24"
FLOOR LEVEL OR
RAISED HEARTH
4"
3'-0"
12"
36
Fireplaces
Opening
Width
36
40
48
60
Opening
Height
24
27
30
33
Unit
Depth
22
22
25
25
37
Fireplaces
• Steel fireplaces are prefabricated and
circulate air into the room
• Vent-free gas fireplaces use ceramic logs to
increase efficiency without mess and labor
• A cleanout is a small door in the floor that
allows ashes to be dumped into a hollow
cavity.
38
Solid Fuel-Burning Appliances
5" HIGH BRICK VENEER
OVER 1" AIR SPACE
ICBO APPROVED
WOOD STOVE W/
SCRN. CLOSABLE
VENT WITHIN 24"
30"
5' X 5' TILE
FLUSH HEARTH
STONE VENEER OVER
1" AIR SPACE AND 15#
FELT W/ METAL TIES
@ 24" O.C. EA. STUD
WOOD STOVE W/
SCRN. CLOSABLE
VENT WITHIN 24"
12" RAISED
STONE HEARTH
12" TYP.
39
Solid Fuel-Burning Appliances
• Combustible floors must be protected
• Walls must be adequately protected with a 7”
airspace
• A screened closable vent must be installed
within 24” of the appliance
• A catalytic converter may need to be
installed if there are pollution requirements
40
Other Floor Plan Symbols
• Hose Bibb - Outdoor
water faucet
• Concrete Slab - Used
for garage floor, patio,
and driveways
4" CONCRETE SLAB
SLOPE 1/8" MIN/FT.
TO DOOR OR TO
FLOOR DRAIN.
41
Other Floor Plan Symbols
22 X 30 CRAWL ACCESS
• Attic and Crawl
Spaces - Access
can be placed in a
closet or hallway
• Floor Drains - Used
to accumulate water
on a floor
S & P
42
Other Floor
Plan Symbols
• Cross-Section
Symbols - Shows the
location on the floor
plan where a crosssection is taken
BAS IC MET HOD
CUT TING P LANE
AND LABEL ONLY
A
CUT TING PLAN E THRO UGH
CEN TER OF CI RCLE
DRAW A RROW T ANGENT
TO CIR CLE AT
45, FILL IN DARK
APPROX IMATE 1/2 "Ø
CIRCLE
LET TER DE NOTES
SEC TION I DENTIFICA TION
A
5
NUM BER DE NOTES
THE PAGE THE SECTI ON
IS FOUND ON
SYMBOL DR AWN WI TH
FEATURES LETTER ED
HORIZONTA LLY
OPTION 2
SYM BOL DR AWN WI TH
FEA TURES LETTER ED
TO READ F ROM RI GHT
OPTION 1
SHE ET WITH C UTTING
PLA NE THAT L OCATES
SEC TION
SECTION
A
12
SHE ET WHERE DRAWIN G
OF SEC TION I S SHOWN
OPTION 3
43