Chapter 14

Chapter 14

Floor-Plan Symbols

2

Links for Chapter 14

Walls and Partitions

Doors and Windows

Cabinets and Fixtures

Stairs

Fireplaces

Other Floor Plan Symbols

3

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

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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”

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• 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

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• What is drywall?

• What is gypsum?

• Masonry veneer used on interior walls

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1/2" SHEATHING

2X4 STUD

EXTERIOR WALLWITH MASONRY VENEER

1/2" GYPSUM

INTERIOR WALLS

2X6 AS NEEDED

1/2" GYPSUMBOTH SIDES

1" AIR SPACE

4" MASONRY TYPICAL2X4 STUDS

1/2" GYPSUM

INTERIOR

INTERIOR

INTERIOR

INTERIOR

2X4 STUD

1/2" SHEATHING

SIDINGTYPICAL 2 X 4EXTERIOR WALL

EXTERIOR EXTERIOR

EXTERIOREXTERIOR

SIDING

2X6 STUD

1/2" SHEATHING

1/2" GYPSUM

TYPICAL 2 X 6EXTERIOR WALL

5" 7"

9 1/2"

6 1/2"

4 1/2"

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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

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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

LOFT36" HI GH GUARDR AIL

OPE N TO L IVING RM.BELOW

36" HIGH GUARDRAIL

DECK

GUARDRAIL AT LOFT OR BALCONY

GUARDRAIL AT DECK

PICTORIAL

PICTORIAL

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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

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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”

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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

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Door Symbols

• Bifold doors are used for a closet and open independently

• Double-entry or French doors is for a formal entryway

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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

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Door Symbols

• Dutch doors open at the top and the bottom

• Accordion doors are used for a closet

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Door Symbols

• Garage doors range from 8’-0” to 18’0” wide and 7’-0” high

• The open position is shown as dashed lines HEADER

DRAWN WITH DASHEDLINES TO DENOTE DOOR

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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

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Window Symbols

• Casement windows are able to be opened 100 %

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Window Symbols

• Pictorial windows have two windows that slide vertically

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Window Symbols

• Awning windows are used in basements or below a fixed window

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Window Symbols

• Fixed windows are larger and do not open or close

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Window Symbols

• Bay windows extend beyond the wall and can extend from the floor to the ceiling or contain a bench

12"-18"

DIMENSIONS FOR A COMMONSMALL SIZE BAY WINDOW

PICTORIAL

FLOOR PLAN REPRESENTATION

18"-24" 6'-0"48"-60"

3" MIN.

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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 GLAZEINSULATED SKYLIGHT

PICTORIAL

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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

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Schedules

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Kitchens

BROOMPANTRY

REFER

LSTC GD DW

LINE OF SOFFIT

VERIFY FIXTURE AND APPLIANCE DIMENSIONS WITH PRODUCT SPECIFICATIONS.VERIFY DESIGN AND DIMENSIONS FOR DISABLED ACCESS WITH THE MANUAL OFACTS AND RELEVANT REGULATIONS FOR THE AMERICANS WITH DISABILITIES ACT.

PROVIDE 36" (900mm) MINCLEARANCE TO ISLANDS

TRASH COMPACTORDISHWASHER

VERIFY AVAILABLE SIZES

PANTRY VARIABLE SIZE12" (300mm) MIN3" (75mm) INCREMENTS

REFRIGERATOR36" WIDE MIN.900mm

600mm

760mm

LAZY SUSAN20" - 30"Ø

DOUBLE SINK32" X 21"

300mm

COOK TOP WITH HOODOR FLOOR EXHAUST FANFROM 30" TO 48" WIDE,VENT ALL FANS TO OUTSIDE

600mm

DOUBLE OVENOR MICRO OVEROVEN

FOOD BAR, HEIGHT:30" BAR CHAIR36" TO 42" BAR STOOLS

450mm

MINIMUMRECOMMENDED

BUILT-IN OR FREESTANDING RANGEAND OVEN WITHHOOD AND FAN

4'-6" LUMINATED LIGHT PASEE ELECTRICAL PLAN.

600mm24"32"

375mm

800mm

UPPERCABNETS

BASECABNETS

12"

24"

30"

3" 15"

24"

18"

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Bathrooms

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Utility Rooms

L / TWD

WD

SHELF

MIN.5'-6"

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Wardrobe Closets

SHELF & ROD W/

CENTER SUPPORT

3" MORE OR LESS

ADEPENDING ONJAMB DETAIL

ROD

WALL

SHELF

SECTION

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Stairs

U-SHAPE

STRAIGHT PLATFORM

UP

LANDING

RISER

TREADS

STRAIGHT

UP UP

UP

L-SHAPE

WINDERS

6" MIN

FLIGHT OR

SPIRAL

UP

UP

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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

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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”

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Stair Design Formulas

• 2R + T = 24”-25”

• R + T = 17”-17 1/2”

• R X T = 70” to 75”

R = Riser dimension

T = Tread dimension

SOLID BLOCK

TOP PLATESHEADER

NAILER5/8" TYPE 'X'GYPSUMSTRINGERS

STUDSSILL

PLATE

RISERS

TREAD

SHOE

10 1/2"

STAIR SECTION

SOLID BLOCK

11'-4 1/2"

UPPER FLOOR PLAN

34" HIGH HANDRAIL

LOWER FLOOR PLAN

AT ALL US ABLE STOR AGE5/8 " TYPE 'X ' GYPSUM

36" HIGHGUARDRAIL

DN 14R

34" HIGH HAN DRAIL

34" HI GH HANDRA IL

34" HIGH HANDRA IL

STA IR WELL OPENING

HEADERFLOOR JOIST

TOTAL RUN

ANGLE 30-35Þ

RUNTREAD

RISER

B

A

STORAGECLOSET

9" MIN12" MAX

NOSING

HEADER

NOTE: THE DIMEN SIONS PRO VIDED IN THISEXAMPLE A RE FOR THE STAI R DESIGNE D FORTHE HOUSE DISPL AYED THRO UGHOUT TH IS TEXMINIMUM A ND MAX IMUM DIME NSIONS AR E ALSOGIVEN FOR REFER ENCE WHER E APPROPR IATE.GENERAL CONSTRUCTION MATERIAL NAMES AREGIVEN HER E FOR REFERENCE ONLY. AC TUALSIZES AND SPECI FICATIONS ARE GIVE N INCHAPTER 3 8 STAI R CONSTRU CTION AND LAYOU

UP 14R

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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”

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Stair Floor PlanDN 14 R

36" MIN. RAIL

36" GUARDRAIL

34" HANDRAIL

SPIRAL STAIRS

STAIRS WITH WINDERS

USED AS FIRE PROTECTIONUNDER STAIRS

34" RAIL

5 8/ "

USEABLE STORAGEUNDER STAIRS @ ALL

TYPE 'X' GYPSUM

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Fireplaces

4'-8" TO 5'-4"

8" MIN.

3'-0" 12"

4"

MASONRY

FIREBRICK

SCREENED CLOSABLEVENT WITHIN 24"FLOOR LEVEL ORRAISED HEARTH

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Fireplaces

Opening Opening Unit

Width Height Depth

36 24 22

40 27 22

48 30 25

60 33 25

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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.

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Solid Fuel-Burning Appliances

5' X 5' TILEFLUSH HEARTH

ICBO APPROVEDWOOD STOVE W/SCRN. CLOSABLEVENT WITHIN 24"

5" HIGH BRICK VENEEROVER 1" AIR SPACE

12" RAISEDSTONE HEARTH

WOOD STOVE W/SCRN. CLOSABLEVENT WITHIN 24"

STONE VENEER OVER1" AIR SPACE AND 15#FELT W/ METAL TIES@ 24" O.C. EA. STUD

30"

12" TYP.

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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

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• Hose Bibb - Outdoor water faucet

• Concrete Slab - Used for garage floor, patio, and driveways

4" CONCRETE SLABSLOPE 1/8" MIN/FT.TO DOOR OR TOFLOOR DRAIN.

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• Attic and Crawl Spaces - Access can be placed in a closet or hallway

• Floor Drains - Used to accumulate water on a floor

S & P

22 X 30 CRAWL ACCESS

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• Cross-Section Symbols - Shows the location on the floor plan where a cross-section is taken

A

DRAW ARROW TANGENTTO CIRCLE AT45, FILL IN DARK

NUMBER DENOTESTHE PAGE THE SECTIONIS FOUND ON

CUTTING PLANE THROUGH

APPROXIMATE 1/2"Ø CIRCLE

CENTER OF CIRCLE

SECTION

SHEET WHERE DRAWINGOF SECTION IS SHOWN

SYMBOL DRAWN WITHFEATURES LETTEREDTO READ FROM RIGHT

OPTION 1

SYMBOL DRAWN WITHFEATURES LETTEREDHORIZONTALLY

OPTION 2

OPTION 3

SHEET WITH CUTTINGPLANE THAT LOCATESSECTION

BASIC METHODCUTTING PLANEAND LABEL ONLY

A21

LETTER DENOTESSECTION IDENTIFICATION A

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Chapter 14

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