This allows for a potential plus tolerance of approximately 0.8% while not lengthening the ramp excessively....
Search Results "Tolerance"
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1.1.4
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1.2.3 Landings
Both measurements of ramp landings as described in Section 1.1.15 should not exceed a plus tolerance of 0.5%....
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R103 Conventions (Section-by-Section Analysis)
R103 Conventions (Section-by-Section Analysis) Conventional industry tolerances apply where dimensions are not stated as a range....
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2.3.1
2.3.1 Define the measurement protocols to be used to check for compliance with the tolerances and standards....
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2.3.2
2.3.2 Define the measurement tools that should be used. The acceptable tools should be selected based on the accuracy required and a reasonable balance between the accuracy of the...
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1.2.5 Ramps
When overall running slope and cross slope for accessible ramps are measured according to Sections 1.1.11 a recommended tolerance for these slopes is +0.5%....
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104 Conventions
Section 104.1 notes that all dimensions not stated as a "maximum" or "minimum" are absolute and that all dimensions are "subject to conventional industry tolerances."...
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Q4.) Are conditions like door closers that require force in excess of the maximum allowed by the standards considered true tolerances or are they simply non-compliance with the maintenance requirements of 35.133 or 36.211?
In our opinion, the plain language of the term “Construction and Manufacturing Tolerances” does not include adjustable conditions that can meet the detailed requirements when properly maintained...
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3 - Best practices for pre - construction meetings
Unusual or particularly tight tolerances can be discussed, questions asked, construction techniques suggested, measurement methods outlined, and how compliance will be checked can all be...
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ADA Tolerances Provisions
[See subsections ...]
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1.2.6
1.2.6 When local variations (flatness) in running slope of ramps are measured according to 1.1.13 at least 80% (rounded to the nearest whole number) of the measurements should not...
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2.2.1
List all applicable industry standards that define tolerances and measurement protocols, if any....
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1 - Design and drawing
If the value is a minimum or maximum or a range, this fact may not be communicated to the contractor, who may think that there is a tolerance ed....
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Slope [§405.2] and Cross Slope [§405.3]
of 1.5% maximum for exterior ramps will accommodate most irregularities or variances due to construction methods or materials according to a study sponsored by the Board (“Dimensional Tolerances...
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Dimensional Tolerances in Construction and for Surface Accessibility
[See subsections ...]
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Suggested accessibility guidelines for exterior concrete surfaces
for Tolerances for Concrete Construction and materials and Commentary....
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ADA Tolerances - Related Industry Standards
[See subsections ...]
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2.2.2
Specify the measurement tools that should be used to determine compliance with the tolerances....
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1.2.7
1.2.7 When local variations (flatness) for cross slope of ramps are measured according to 1.1.14 at least 80% (rounded to the nearest whole number) should not exceed a 2% slope. The...
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1.1.5
This allows for a potential plus tolerance of +0.5% while still providing for drainage. ADA/ABAAG states a maximum cross slope requirement of 1:48 (1/4 in./ft. [20 mm/m] or about 2%)....
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Areas for further work
Of course, it was not expected that all of these would be included in any one industry's standards, but they do indicate the range and complexity of issues related to construction tolerances...
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1.2.1 Walks and other non - ramp surfaces
When overall running slope for walks is measured according to Section 1.1.3 a recommended tolerance for running slope is +1%....
- ADA Tolerances and Acceptable Measurements Online Continuing Education Course