(i) A slope between 1:10 and 1:12 is allowed for a maximum rise of 6 inches.
Search Results "Alteration"
2010 ADA Definition
Alteration: A change to a building or facility that affects or could affect the usability of the building or facility or portion thereof. Alterations include, but are not limited to, remodeling, renovation, rehabilitation, reconstruction, historic restoration, resurfacing of circulation paths or vehicular ways, changes or rearrangement of the structural parts or elements, and changes or rearrangement in the plan configuration of walls and full-height partitions. Normal maintenance, reroofing, painting or wallpapering, or changes to mechanical and electrical systems are not alterations unless they affect the usability of the building or facility.
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4.1.6(3)(a)(i)
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4.1.6(3)(a)(ii)
(ii) A slope between 1:8 and 1:10 is allowed for a maximum rise of 3 inches. A slope steeper than 1:8 is not allowed.
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4.1.6(3)(b) Stairs
(b) Stairs: Full extension of handrails at stairs shall not be required in alterations where such extensions would be hazardous or impossible due to plan configuration....
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4.1.6(3)(b)
If additional entrances are altered then they shall comply with 4.1.6(a); and...
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4.1.6(3)(c)
(c) The following toilet facilities, whichever is greater: (i) At least one toilet facility for each sex in the altered building complying with 4.22, Toilet Rooms, and 4.23, Bathrooms...
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4.1.6(3)(c)(i)
(i) If safety door edges are provided in existing automatic elevators, automatic door reopening devices may be omitted (see 4.10.6).
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4.1.6(3)(c)(ii)
(ii) Where existing shaft configuration or technical infeasibility prohibits strict compliance with 4.10.9, the minimum car plan dimensions may be reduced by the minimum amount...
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4.1.6(3)(c)(iii)
(iii) Equivalent facilitation may be provided with an elevator car of different dimensions when usability can be demonstrated and when all other elements required to be accessible...
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4.1.6(3)(d)
(d) In making the determination as to what constitutes "substantial alteration," the agency issuing standards for the facility shall consider the total cost of all alterations (including...
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4.1.6(3)(d)(i)
(i) Where it is technically infeasible to comply with clear opening width requirements of 4.13.5, a projection of 5/8 in maximum will be permitted for the latch side stop.
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4.1.6(3)(d)(ii)
(ii) If existing thresholds are 3/4 in high or less, and have (or are modified to have) a beveled edge on each side, they may remain.
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4.1.6(3)(e)(i)
(i) Where it is technically infeasible to comply with 4.22 or 4.23, the installation of at least one unisex toilet/bathroom per floor, located in the same area as existing toilet...
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4.1.6(3)(e)(ii)
(ii) Where it is technically infeasible to install a required standard stall (Fig. 30(a)), or where other codes prohibit reduction of the fixture count (i.e., removal of a water...
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4.1.6(3)(e)(iii)
(iii) When existing toilet or bathing facilities are being altered and are not made accessible, signage complying with 4.30.1, 4.30.2, 4.30.3, 4.30.5, and 4.30.7 shall be provided indicating...
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4.1.6(3)(f)(i)
(i) Where it is technically infeasible to disperse accessible seating throughout an altered assembly area, accessible seating areas may be clustered....
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4.1.6(3)(f)(ii)
(ii) Where it is technically infeasible to alter all performing areas to be on an accessible route, at least one of each type of performing area shall be made accessible....
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4.1.6(3)(g) Platform Lifts (Wheelchair Lifts)
(g) Platform Lifts (Wheelchair Lifts): In alterations, platform lifts (wheelchair lifts) complying with 4.11 and applicable state or local codes may be used as part of an accessible route...
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4.1.6(3)(h) Dressing Rooms
(h) Dressing Rooms: In alterations where technical infeasibility can be demonstrated, one dressing room for each sex on each level shall be made accessible....
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4.1.6(4)(a)
(a) Ramps. Curb ramps and ramps to be constructed on existing sites or in existing buildings or facilities may have slopes and rises as shown in Table 2 if space limitations prohibit...
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4.1.6(4)(b)
Full extension of stair handrails shall not be required in alterations where such extensions would be hazardous or impossible due to plan configuration....
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4.1.6(4)(c)
(c) Elevators. (i) If a safety door edge is provided in existing automatic elevators, then the automatic door reopening devices may be omitted (see 4.10.6). (ii) Where existing...
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4.1.6(4)(d)
(d) Doors. (i) Where existing elements prohibit strict compliance with the clearance requirements of 4.13.5, a projection of 5/8 in (16 mm) maximum will be permitted for the latch...
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4.1.6(4)(e)
Where alterations to existing facilities make strict compliance with 4.22 and 4.23 structurally impracticable, the addition of one "unisex" toilet per floor containing one water closet complying...
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4.1.6(4)(f)
(i) In alterations where it is structurally impracticable to disperse seating throughout the assembly area, seating may be located in collected areas as structurally feasible....