Category BOSTON FURNITURE

recommended

• Plan a mechanical exhaust system, vented to the outside, for each enclosed area.

Code requirement

• Minimum ventilation for the bathroom is to be a window of at least 3 square feet (0.27 square meters) of which 50% is operable, or a mechanical ventilation system of at least 50 cubic feet (15,240 cubic mm) per minute (cfm) exhausted to the outside.

• (IRC R303.3, IRC M1507.2, IRC M1507.3)

access Standard

recommended

• Ventilation controls should be placed 15 inches to 48 inches (381 mm to 1219 mm) above the floor, operable with minimal effort, easy to read, and with minimal noise pollution.

ICC A117.1-2009 Reference

• See Access Standard 25 for operable controls.

• See Access Standard 22 for reach range for controls.

BATHROOM PLANNING GUIDELINE 27 Heat

Recomm...

Recommended

• In addition to general lighting, task lighting should be provided for each functional area in the bathroom (e. g., grooming, showering).

Code Requirement

• At least one wall switch-controlled light must be provided. The switch must be placed at the entrance of the bathroom.

• (IRC E3903.2)

• All light fixtures installed within tub and shower spaces should be marked "suitable for damp/ wet locations."

• (IRC E4003.9, 4003.10)

• Hanging fixtures cannot be located within a zone of 3 feet (914 mm) horizontally and 8 feet (2438 mm) vertically from the top of the bathtub rim or shower stall threshold.

• (IRC E4003.11)

Access Standard

Recommended

• Task lighting at the vanity should be beside the mirror and at eye level, with the lamp not visible to the eye.

• Lighti...

Recommended

All GFCI receptacles should be located at electrical appliance points of use.

Code requirement

• At least one GFCI-protected receptacle must be installed within 36 inches (914 mm) of the outside edge of the lavatory.

• (IRC E3901.6)

• All receptacles must be protected by ground-fault circuit interrupters.

• (IRC 3902.1)

• A receptacle shall not be installed within or directly over a bathtub or shower stall.

• (IRC E4002.11)

• Switches shall not be installed within wet locations in the tub or shower spaces or within reach while standing in the tub or shower unless installed as part of the listed tub or shower assembly.

• (IRC E4001.7)

Access Standard

Recommended

• See Code Reference.

ICC A117.1-2009 Reference

• See Access Standard 22 for specifications for...

Recommended

• The size for a separate toilet compartment should be at least 36 inches by 66 inches (914 mm by 1676 mm) with a swing-out or pocket door.

Code Requirement

• The minimum size for a separate toilet compartment is 30 inches by 60 inches (762 mm by 1524 mm).

• (IPC 405.3.1)

Access Standard

Recommended

• To maximize access, provide privacy in the toileting area without using a separate compartment. ICC A117.1-2009 Reference

• Wheelchair accessible compartments should be at least 60 inches (1524 mm) wide, measured perpendicular to the side wall, and 56 inches (1422 mm) deep for a wall-hung toilet and 59 inches (1499 mm) deep for a floor-mounted toilet measured perpendicular to the rear wall. • (604.7)

bathroom planning guideline 22 Storage

Recommended

• Provi...

Recommended

• The distance from the centerline of toilet and/or bidet to any bath fixture, wall, or other obsta­cle should be at least 18 inches(457 mm).

Code Requirement

• A minimum distance of 15 inches (381 mm) is required from the centerline of the toilet and/or bidet to any bath fixture, wall, or other obstacle.

(IRC R307.1, IRC P2705.1)

Access Standard

Recommended

• Consider user height and ability when determining toilet height.

ICC A117.1-2009 Reference

• The toilet should be centered 16 inches to 18 inches (406 mm to 457 mm) from a side wall.

• (1003.11.2.4)

• The toilet seat should be between 15 inches and 19 inches (381 mm and 483 mm) from the floor.

• (1003.11.2.4.5)

Recommended

• See below.

Code Requirement

• All equipment, including access panels, must be installed as per manufacturers’ specifications.

• (IRC P2720.1)

• All manufacturers’ instructions must be available for installers and inspectors and left for home­owners.

• (IRC P2720.4)

Access Standard

Recommended

Equipment controls should be placed between 15 inches and 48 inches (381 mm and 1219 mm) above the finished floor.

Recommended

• Slip-resistant surfaces should be specified for the general bath flooring, shower floors, and tub/ shower bottoms.

Code requirement

• State or local codes may apply.

Access Standard

Recommended

• Bathroom Guideline recommendation meets Access Standard.

Recommended

• See Code Requirement.

Code Requirement

• Hinged shower doors shall open outward.

• (IRC P2708.1)

Access Standard

Recommended

• Minimize thresholds at the shower entry to no more than 1/2 inch (13 mm).

ICC A117.1-2009 Requirement

• Shower compartment thresholds should be no more than 1/4 inch to 1/2 inch(6 mm to 13 mm) high.

• Changes in level between 1/4 inch high and 1/2 inch (6 mm and 13 mm) high should be beveled with a slope not steeper than 1:2.

• (608.6.303)

bathroom planning guideline 17 Steps

Recommended

• Steps should not be placed outside a tub.

• If steps are used a grab bar/handrail is mandatory.

Access Standard

Recommended

• Bathroom Guideline recommendation meets Access Standard.

Recommended

• The wall area above a tub or shower pan should be covered in a waterproof material extending at least 3 inches (76 mm) above the showerhead rough-in.

Code requirement

• The wall area above a tub or shower pan must be covered in a waterproof material to a height of not less than 72 inches (1829 mm) above the finished floor.

• (IRC R307.2)

access Standard

Recommended

• Bathroom Guideline recommendation meets Access Standard.

bathroom planning guideline 14 Grab Bars

Recommended:

• Plan grab bars to facilitate access to and maneuvering within the tub and shower areas.

• Tub and shower walls should be prepared (reinforced) at time of construction to allow for instal­lation of grab bars to support a static load of 250 pounds (113 kg).

• Grab bars should be pl...

Recommended

• Plan a seat within the shower that is 17 inches to 19 inches (432 mm to 483 mm) above the shower floor and 15 inches (381 mm) deep.

Code Requirement

• The shower seat must not infringe on the minimum interior size of the shower (900 square inches) (22860 square mm).

• (IRC P2708.1)

Access Standard

Recommended

• Plan a seat in the shower and/or bathtub to fit the parameters of the space and the needs of the user.

ICC A117.1-2009 Reference

• A removable in-tub seat should be at least 15 inches to 16 inches (381 mm to 406 mm) deep and capable of secure placement.

• (610.2)

• A permanent tub seat should be at least 15 inches (381 mm) deep and positioned at the head end of the bathtub...