Handrail Meridian requirements are issued to create a prophylactic and enjoyable infinite for everyone. In the Us, Handrail Top is based on either the ADA, IBC/ICC, OSHA, or your local edifice jurisdiction.

While many ADA standards have been incorporated into building codes, it is essential to annotation that the
ADA
is non a building code but a standard by which a facility open to the public may be deemed accessible.

Noesis of the code requirements is of import whether a Handrail is used as a standalone system or combined with an existing bar, glass, or cable railing system. Inline Blueprint provides this information in an informational chapters only and is not liable for whatever lawmaking not-compliance. Customers are encouraged to call their local building jurisdiction to become information about their local building codes. Local edifice codes supercede national edifice codes.

Is ADA a Building Code?

KEY POINTS

  1. Top Requirements Nautical chart
  2. ADA Superlative Requirements
  3. IBC/IRC Meridian Requirements
  4. OSHA Height Requirements
  5. Children Height Requirements
  6. Handrail Gripping Surfaces
  7. Pinch Vs Power Handrail Grip
  8. Handrail Extensions
  9. How Many Handrail Brackets Do I Need?
  10. How Far Should The Handrail Be From The Wall?
  11. Does A Stair Handrail Need To Be Continuous?
  12. Exercise I Demand A Handrail For 3 Steps?
  13. Does Lawmaking Crave A Handrail On Stairs?
  14. What Angle Should A Handrail Be?
  15. How To Measure For Handrail?
  16. What Are The Typical Stairs Run And Rise?
  17. What Is The Typical Floor To Floor Height Residential?
  18. References

1. Height Requirements Nautical chart

IRC IBC ADA OSHA
Residential Commercial Adult Children General Stair Runway System
Handrail Acme 34″ to 38″ 34″ to 38″ 28″ with a min of ix” with above Developed Handrail thirty” to 38″ 36″ to 38″ may also serve every bit Guard
Railing Height 36″ min 42″ min non specified 42″ +/- three” 36″ to 38″

2. ADA Height Requirements

The current ADA standards dictate that the top of Handrails gripping surfaces shall exist 34 inches minimum and 38 inches maximum measured vertically above walking surfaces, stair nosings, and ramp surfaces with a greater than a i:xx slope.

Handrails must remain at a consequent peak above walking surfaces, stair nosings, and ramp surfaces. If your railing run is beyond multiple surfaces like a ramp, stairs, and landing, it must be consequent top across all the whole railing run.

When the ramp has a gradient that is less than one:twenty, a Handrail is not required. Nevertheless, if a railing is present on walking surfaces with running slopes less than 1:20, they must comply with ADA standards.

  1. The height from the surface is betwixt 34″ and 38″
  2. The summit is consequent beyond runs

Adult ADA Height Requirements guidance

three. IBC/IRC Height Requirements

The IBC requires a guard to be 42 inches tall, with Handrails falling betwixt 34 and 38 inches. When the 42-inch guardrail is used on a stair or ramp, a secondary Handrail volition be required at the advisable height. If the guard top rail is not used equally a Handrail, information technology would not have graspability requirements.

The IRC required the tiptop of all Handrails must be between 34 and 38 inches measured from the walking surface or the nose of the stairs.

What is the International Code Council (ICC)?

iv. OSHA Height Requirements

OSHA requires the top of the gripping surfaces of Handrails shall be xxx inches minimum and 38 inches maximum vertically above walking surfaces, stair nosings, and ramp surfaces.

The superlative of height rails, or equivalent guardrail arrangement members, is 42 inches, +/- 3 inches, and may non exceed 45 inches above the walking-working surface.

What does OSHA practice in construction?

v. Children Pinnacle Requirements

When children are the principal users in a building or facility (e.g., elementary schools), a second prepare of Handrails at an appropriate height tin assist them and aid in preventing accidents.

A maximum top of 28 inches measured to the top of the gripping surface from the ramp surface or stair nosing is recommended for Handrails designed for children. Sufficient vertical clearance betwixt upper and lower Handrails, nine inches minimum, should be provided to help foreclose entrapment.

  1. The maximum height from the surface is 28″
  2. The minimum vertical clearance betwixt Handrails is nine”
  3. The peak is consistent across runs

vi. Handrail Gripping Surfaces

Handrails have specific parameters they must meet to comply with ADA standards. The Handrail gripping surface is the actual Handrail yous grip while using the Handrail. This surface needs to be continuous forth the length and not obstructed at its tops or sides, including the landings and corners.

The underside of the gripping surface should not be blocked for more than than xx percent of its overall length. Horizontal projections of the Handrail Brackets shall be 1 ane/2 inches beneath the bottom of the gripping surface.

Handrail gripping surface with a circular cantankerous section shall have an outside diameter between 1.125 and two inches. The gripping surface for a not-circular cantankerous section shall have a perimeter dimension between four inches and six.125 inches and a maximum cantankerous section of ii 1/four inches.

If the perimeter is greater than 6 1⁄4” shall have a graspable finger recess area on both sides.

handrail circular and non-circular cross sections

The Handrail gripping surfaces and whatsoever surfaces adjacent to them shall be gratis of sharp or abrasive elements, accept rounded edges, and not rotate within their fittings.

Handrail gripping surfaces shall extend beyond stair flights and ramps with three exceptions. Inside turns in a switchback or dogleg, aisle ramps, and stairs, providing access to seating, or when extensions are hazardous due to plan configuration.

7. Pinch Vs Ability Handrail Grip

Compression Handrail Grip does not meet ADA requirements of Handrail Grip Safety like Power Handrail Grip does. The Compression Grip is only about 25% of the maximum grip strength possible past the Power Grip.

Pinch Handrail Grip

Pinch Handrail Grip

Power Handrail Grip

Power Handrail Grip is iv times Stronger

Pinch Grip is the deed of using the tip of the fingers to pull a small object like a spoon. Power Grip is the act of belongings with the entire surface of your hand’southward palm on a cylindrical object like a Handrail Tube. The ideal Handrail Tube size for Power Handrail Grip is between 1 1/4″ to ii” in bore.

eight. Handrail Extensions

Handrail extensions at the elevation of a stair flying need to extend 12 inches horizontally to the landing. The extension is measured from the nose of the top landing to 12 inches horizontally. All extensions shall return to a wall, guard, the landing surface or be continuous to the Handrail of an adjacent stair flight.

Handrail extensions at the bottom of a flying of stairs need to extend at the aforementioned slope as the stairs at a distance equal to one tread depth or be continuous to the Handrail of an adjacent ramp or stair run.

top and bottom handrail extension at stairs

The top and lesser of ramps demand a minimum of a 12-inch extension. The extension will demand to accept a return to a wall, post, or landing surface. It can also run continuously to the Handrail of an adjacent ramp or stair run.

top and bottom handrail extension at stairs

Passivating Stainless SteelWhat Does The ADA Require In New Construction?

9. How Many Handrail Brackets Practice I Need?

You demand a Handrail Bracket every 4 ft
+/- half dozen in maximum and 1 ft
+/- 6 in maximum from the ends. For instance, for a ten feet Handrail, you need 3 Handrail Brackets. The first Handrail Bracket at a 1-foot distance, the next one at v feet, and the terminal one at 9 feet (or 1 pes from the other terminate).

The Handrail Brackets and Handrail every bit a system need to meet the 200-pound load requirements for Handrails in a downward direction. Care needs to be taken in locating the Handrail Brackets to the substructure for proper support.

handrail brackets spacing 4 feet

10. How Far Should The Handrail Be From The Wall?

ADA requires a minimum of 1-1/two inches clearance between the wall and the Handrail. ADA every bit well requires the same clearance of
one-1/2 inches minimum between the bottom of the Handrail and the horizontal stem of the Handrail Bracket. Handrail shall have a maximum projection from the wall of four-i/ii inches.

ada handrail clearance requirements

11. Do I Need A Handrail For three Steps?

No. Residential Code requires a Handrail starting from 4 steps above mounted at least on 1 side of the stairs.

Building codes define a step as a riser. Top and bottom landings are not considered a pace. The common language in the different building regulations and codes specifies 4 risers.

Ii Handrails are required when the width of a stride extends 7 feet, with exceptions for single abode units. Recall to check local building codes.

12. Does Lawmaking Require A Handrail On Stairs?

Handrails are to provide stability or support while ascending or descending stairs to forestall injury. Handrails are typically supported by posts or attached to walls.

Code requires at least 1 Handrail on all Stairs with 4 risers and a stair width of fewer than 44 inches, keeping a clear width of the stairway to 36 inches minimum. Stairs that are wider than 44 inches need to accept a Handrail on both sides.

If i side of the stairway is open up, a guard railing is required on the open side, and the Handrail can be mounted on either side.

13. Does A Stair Handrail Need To Be Continuous?

Handrails must be continuous within the entire length of each stair or ramp run. Handrails with switchbacks or doglegs on stairs or ramps shall be continuous between flights or runs across the landings. There are some exceptions to these continuity rules so remember to check with your local building department.

The handrail and any surfaces side by side to them shall exist free of sharp or abrasive elements, have rounded edges, practice not rotate within their fittings, and accept no obstructions forth the tops or sides.

14. What Angle Should A Handrail Be?

The handrail needs to be a consequent height above the olfactory organ line of a stair or ramp. This is measured from the nose of the stair to the top of the railing. Most stairs are between xx and xl degrees, as calculated from the run and the rise of a stride. Handrail Code does not use this angle, instead calling out for a consequent height about the walking surface.

When mounting your handrail, accept the meridian or landing olfactory organ and measure the appropriate altitude repeating the aforementioned with the bottom step. These two points create the Stair Nosing line, which is the guide to mount the handrail railing.

15. How To Mensurate For Handrail?

The
length of textile needed for a stair handrail is from the nosing of the superlative landing the nosing of the bottom stride and add ii feet.

16. What are the typical Stairs Run and Rise?

The 2018 IBC building code for the rising and run of stairs is a maximum 7″ rise and minimum 11″ run. The OSHA standard for the ascension and run of stairs is a maximum 9.5″ rising and a minimum 9.v” run. The IBC maximum rise of a single stair flight is 12 feet.

17. What Is The Typical Floor To Floor Height Residential?

The peak of each flooring of a edifice is the sum of the ceiling top, floor thickness, and building cloth. In residential buildings, the floor height is usually betwixt 10 – 14 feet.

eighteen. References