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ACCESSIBLE HOME DESIGN


The Right Space is a wheelchair accessibility guide that will help you create a valuable asset for yourself and for others, an accessible single-family home.

THE RIGHT SPACE

by A. M. Ayala

An accessible home design book with over 300 detailed drawings.

Renovating a home for a disabled person?

Asking a realtor to identify an adaptable home?

Designing new construction for future needs?

The Right Space has hundreds of three-dimensional drawings that illustrate what is essential for wheelchair accessibility: the ability to enter your own home independently and use any fixture in any room.

Please visit our gallery of sample drawings. Also view the book's contents below.

more info at Buy a Book page

Buy an Accessible Home Design Guide from TRSPACE at Amazon.com for only $19.99






Recent Pictures

An attractive Alternate Shower without grab bars

Don't forget grab bar backing at the tub

And at the toilet

An attractive toilet space ready for grab bars when needed



About the author

A. M. Ayala (59) is a contractor with over 30 years experience in the building trades. When his mother, at age 89, fractured her tibia and came to live with him and his wife, he began looking for an accessible home design guide for building and remodeling contractors. He found an enormous amount of information but very few pictures.

The Americans with Disabilities Act (ADA) directed him to the United States Access Board’s July 2004 guidelines that serve as the baseline for standards used to enforce the ADA.

Using the Access Board’s relevant residential guidelines and a cad program, Mr. Ayala drew more than 300 illustrations. Those easy-to-understand drawings make The Right Space a unique resource for both the layman and the building professional.

The book’s format follows the logical path from outside to inside, from the sidewalk, through the front door, and into hallways, bathrooms and kitchens.

Throughout, this guide’s goal is to show what accessible spaces look like. With The Right Space the layman and the building professional can make informed design decisions about what may be a family’s most important asset, their home.

Contents of The Right Space










INTRODUCTION – page 7
GLOSSARY AND NOTES – page 8
Brief Description: Readers become familiar with basic definitions such as accessible, approach direction, clear floor space, cross slope, finished floor and more.
  • CLEAR FLOOR SPACE
  • CROSS SLOPE
  • KNEE AND TOE SPACE
  • RAMP...more
PRIMARY FLOOR SPACES – page 11
Brief Description: Width, depth, and slope of various floor spaces.
  • WIDTH, DEPTH, AND SLOPE
  • WHEELCHAIR CLEAR FLOOR SPACE
  • RUNNING SLOPE
  • CROSS SLOPE
  • VERTICAL CHANGE IN LEVEL
  • BEVELED CHANGE IN LEVEL
  • FLOOR TILE, CARPET, DECK AND GRATE SPACING
TURNING – page 29
Brief Description: Minimum widths, depths, and diameters of floor spaces that allow you to travel from room to room and from fixture to fixture.
  • TURNING SPACES
  • 90 DEGREE TURN – through doorway
  • ASSOCIATED 90 DEGREE TURNS – two examples
  • CIRCULAR TURNING SPACE
  • T – SHAPED TURNING SPACE
  • ELLIPTICAL TURNING SPACE
  • TURNING NOTES
DOORS AND PASSAGEWAYS – page 41
Brief Description: Minimum width between open door and doorstop when a hinged door is open 90 degrees. Double doors, pocket doors, passageways and what makes a hallway accessible.
  • HINGED DOOR - Typical Guidelines
  • DOUBLE DOORS
  • POCKET DOOR AND FOLDING DOOR
  • PASSAGEWAY WIDTH
  • DOORWAY AND PASSAGEWAY NOTES
ENTRANCE LANDINGS – page 49
Brief Description: Each accessible entry doorway has a landing on each side of it. Each entry landing has a specific width and depth based on approach direction and hardware location. Each entry landing allows you open a hinged door, let it swing by, and let you pass through.
  • ACCESSIBLE DESIGN CONSIDERATIONS
  • FRONT APPROACH - PUSH SIDE LANDING
  • FRONT APPROACH - PULL SIDE LANDING
  • LATCH APPROACH - PUSH SIDE LANDING
  • LATCH APPROACH - PULL SIDE LANDING
  • HINGE APPROACH - PUSH SIDE LANDING
  • HINGE APPROACH - PULL SIDE LANDINGS
LANDINGS AND RAMPS – page 59
Brief Description: Where landing and ramps are located. There is a landing on each side of every ramp! Ramp widths, depths, and slope guidelines.
  • LANDING - RAMP - LANDING
  • LANDING - Typical Guidelines, Where Ramps Change Direction
  • RAMP IN NEW CONSTRUCTION - Typical Guidelines, Running Slope, Cross Slope, Maximum Rise, Accessible Design Considerations
  • RAMP IN EXISTING CONSTRUCTION - Exception One, Design Considerations
  • RAMP IN EXISTING CONSTRUCTION - Exception Two, Design Considerations
REACH, APPROACH, AND EGRESS - page 73
Brief Description: High and low reach each have an approach direction. High and low reach also have minimum and maximum heights at walls, beside a fixture, over a fixture, more.
  • REACH AND APPROACH DIRECTION
  • REACH AND OBSTRUCTIONS
  • FORWARD APPROACH - Unobstructed High Forward Reach, Low Forward Reach
  • FORWARD APPROACH - Obstructed High Forward Reach
  • PARALLEL APPROACH - Unobstructed Parallel Reach, High Parallel Reach, Low Parallel Reach, Obstructed High Parallel Reach
  • HIGH AND LOW REACH AND VIEW
  • EGRESS
INTERIOR LANDINGS - page 87
Brief Description: There is a landing on each side of an interior doorway and passageway. The landing allows a person in a wheelchair to make a 90 degree turn and pass through. How wide and how deep is each doorway landing? There are 7 possibilities. Each depends on the approach direction and door handle location.
  • ACCESSIBLE DESIGN CONSIDERATIONS
  • FRONT APPROACH - PUSH SIDE LANDING
  • FRONT APPROACH - PULL SIDE LANDING
  • LATCH APPROACH - PUSH SIDE LANDING
  • LATCH APPROACH - PULL SIDE LANDING
  • HINGE APPROACH - PUSH SIDE LANDING
  • HINGE APPROACH - PULL SIDE LANDINGS
  • OVERLAPPING LANDINGS - Where Doors Swing Away From Each Other, Where Doors Swing in the Same Direction
  • PASSAGEWAY LANDINGS - Forward Approach and Parallel Approach
  • POCKET DOOR LANDINGS - Front Approach, Latch Approach, Pocket Approach
  • HALLWAYS
  • LANDING NOTES
RESIDENTIAL BATHROOMS - page 105
Brief Description: An overview of accessible bathroom design. A variety complete bathrooms are displayed – each with a different type of bathing fixture.
  • TYPICAL BATHROOM - Access Problems
  • BATHROOM ONE - Fixing Access Problems
  • BATHROOM TWO - Roll-in Shower without Seat, Lavatory, and Water Closet. What is a Rough-in Dimension?
  • BATHROOM THREE - Roll-in Shower with Seat, Lavatory, and Water Closet
  • BATHROOM FOUR - Alternate Shower with Seat, Lavatory, and Water Closet
  • BATHROOM NOTES
WATER CLOSET / TOILET - page 117
Brief Description: A toilet’s clear floor space, turning space, grab bars, and toilet paper dispenser location. The relationship between fixtures and floor spaces near a toilet.
  • WATER CLOSET - Accessible Design Considerations, Typical Guidelines, Rough-in Considerations
  • LAVATORY NEXT TO A WATER CLOSET - Minimum Distance
  • FIXTURE NEXT TO A WATER CLOSET
  • WATER CLOSET HARD EDGES - Front Edge, Seat Side Edge
  • OVERLAPPING SPACES
LAVATORY / SINK - page 129
Brief Description: A lavatory’s clear floor space and turning space. The relationship between the lavatory and a water closet. The relationship between the lavatory and a bathtub. The relationship between the lavatory and a roll-in shower… a transfer shower… an alternate shower. The landings and turning spaces near a lavatory.
  • LAVATORY - Accessible Design Considerations, Typical Guidelines
  • KNEE AND TOE SPACE - Typical Guidelines
  • LAVATORY IN AN ALCOVE
  • LAVATORY NEXT TO A WATER CLOSET - Minimum Distance
  • FIXTURE NEXT TO A WATER CLOSET
  • LAVATORY NEXT TO A BATHING FIXTURE - Bathtub, Roll-in Shower without Seat, Bathing Fixture with
  • Seat, Transfer Shower, Alternate Shower with Seat
  • MANEUVERING IN AND MANEUVERING OUT
  • OVERLAPPING SPACES
BATHROOM CABINET, COUNTERTOP AND SINK - page 143
Brief Description: The relationship between cabinet-countertop-sink and a water closet. The relationship between cabinet-countertop-sink and a bathtub. The relationship between cabinet-countertop-sink and a roll-in shower…a transfer shower…an alternate shower. The turning space near a cabinet and countertop.
  • BATHROOM SINK WITH FORWARD APPROACH - Typical Guidelines
  • BATHROOM SIZE
  • WATER CLOSET HARD EDGES - Front Edge and Seat Side Edge
  • FIXTURE NEXT TO A WATER CLOSET
  • CABINET, COUNTERTOP, AND TURNING SPACE
  • CABINET AND COUNTERTOP NEXT TO A BATHING FIXTURE - Bathtub, Roll-in Shower without Seat, Bathing Fixture with Seat, Transfer Shower, Alternate Shower with Seat
  • CABINET, COUNTERTOP, AND OVERALL BATHROOM SIZE
BATHTUB - page 159
Brief Description: Clear floor space and turning space at at bathtub. Grab bars, grab bar backing, shower spray unit, and controls location. Bathtub seat location. Typical carpentry and more.
  • BATHTUB - Accessible Design Considerations, Typical Guidelines, Bathing Fixture Width, Rough-in Considerations, Bathing Fixture Depth, Rough-in Considerations
  • BATHTUB WITH PERMANENT SEAT - Accessible Design Considerations, Typical Guidelines, Bathroom Size, Rough-in Considerations
ROLL-IN SHOWER - page 175
Brief Description: A roll-in shower’s clear floor space and turning space. Grab bars, grab bar backing, shower spray unit, and controls location. Notes on a folding shower seat. Typical carpentry and sub-floor.
  • ROLL-IN SHOWER WITHOUT SEAT - Accessible Design Considerations, Typical Guidelines, Bathroom Size, Rough-in Considerations
  • ROLL-IN SHOWER WITH SEAT - Accessible Design Considerations, Typical Guidelines, Bathroom Size, Rough-in Considerations
TRANSFER SHOWER and ALTERNATE SHOWER - page 189
Brief Description: A transfer shower’s clear floor space and turning space. Grab bars, grab bar backing, shower spray unit, and controls location. Notes on a folding shower seat. Typical carpentry and sub-floor.
  • TRANSFER SHOWER - Accessible Design Considerations, Typical Guidelines, Bathroom Size, Rough-in Considerations
  • ALTERNATE SHOWER WITH SEAT (end wall controls) - Accessible Design Considerations, Typical Guidelines, Fixture Location, Rough-in Considerations
  • ALTERNATE SHOWER WITH SEAT (back wall controls) - Accessible Design Considerations, Typical Guidelines, Fixture Location, Rough-in Considerations
  • SEAT WALL - Entry Side and Adjacent Side Setbacks
  • ADA COMPLIANT BATHING SEAT - Planning and Availability
KITCHEN - page 211
Brief Description: An overview of accessible kitchen design. Detailed illustrations an efficient kitchen and the relationship between clear floor space and turning space at a refrigerator. Turning space at a cooktop…a dishwasher…a sink…a work surface…a range, and a built-in oven.
  • KITCHEN - Accessible Design Considerations
  • CABINET STRUCTURE - Toe Kick Height, Cabinet and Countertop Height, Work Surface and Sink Fixtures
  • APPROACH CLEAR FLOOR SPACE
  • HIGH AND LOW REACH
  • U - SHAPED KITCHEN
  • PASS THROUGH KITCHEN
  • APPROACH EXAMPLES - Refrigerator-Freezer and Cooktop, Dishwasher, Sink, Work Surface, Range, Built-in Oven
  • FIXTURE HEIGHT AND LOCATION
  • MANEUVERING INSIDE A KITCHEN


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