ADA Compliance- Understanding ADA Guidelines for Detectable

Transcription

“The Ultimate Hi-Tech
Concrete Detectable Warning”™
MRS001
StrongGo Industries (LLC)
3296 E. Hemisphere Loop
Tucson, Arizona 8, 5706-5013
USA
Phone: (520) 547-3510
Fax: (520) 547-3515
Toll-Free: (866) 439-3216
Email: [email protected]
Web: http://www.stronggo.com/
AIA-TW3201
CSI-A0201
© 2010. The material contained in this continuing education
program belongs to TekWay®. Questions or concerns about the
program content need to be addressed with the program
instructor.
ADA ComplianceUnderstanding ADA Guidelines for Detectable Warnings
ADA ComplianceUnderstanding ADA
Guidelines for Detectable
Warnings
This continuing education program is
sponsored and provided to you due to
the professional courtesy of:
Powered by
1
•
You may see the following icons in this presentation, please make
sure and review any additional material.
When you see this icon it’s test your knowledge time.
Please read and answer any questions.
If you see this icon there are additional notes. Please
proceed to click on the Notes tab.
If you see this icon there is additional material needed.
Please proceed to click on the attachments button. Make
sure and select the title indicated on the slide. You can
download a PDF version of this course from the attachments
panel at the conclusion.
Presentation Instructions
This course has been design as a structured asynchronous program therefore has been
formatted for online use only. Please don’t forget to print your AIA/CES and CSI/CEN Certificate
of Completion. Successful completion is scoring 80% or higher on your final exam. If you wish to
print later you can access all certificates from you’re A-F transcript center.
The American Institute of Architects –
Course No. TW3201; LUs- 1.00 - This program qualifies for HSW credit
Architect-Forum is a registered provider with The American Institute Of Architects Continuing
Education Systems. Credit earned on completion of this program will be reported to CES
Records for AIA members. Certificates Of Completion for non-AIA members available on
request. This program is registered with the AIA/CES for continuing professional education. As
such, it does not include content that may be deemed or construed to be an approval or
endorsement by the AIA .of any material of construction or any method or manner of handling,
using, distributing, or dealing in any material or product. Questions related to specific materials,
methods, and services will be addressed at the conclusion of this presentation.
Construction Specification Institute –
Course No. CSI- TW3201; CEUs- 0.1 - This program qualifies for HSW credit
This program is a registered educational program with the Construction Specifications Institute
of Alexandria, VA. The content within the program is not created or endorsed by CSI nor should
the content be construed as an approval of any product, building method, or service.
Information on the specific content can be addressed at the conclusion on the program, by the
Registered Provider. Architect-Forum is a Registered Provider with the Construction
Specifications Institute Construction Education Network (CEN). Credit earned for completing
this program will automatically be submitted to the CSI CEN. Completion certificates can be
obtained by contacting the Provider directly. This logo and statement identify Provider programs
registered with CSI CEN and are limited to the educational program content.
Promotional Statement Slide
3
If you are in the state of
California or any other state
that requires the Trainer
Educator's Knowledge &
Experience Background
please click on the following
link to download a PDF
version of the Bio.
Click here download
Presenter: JoAnn Lichty
Director of Sales and National Accounts Manager for StrongGo Industries,
manufacturers of TekWay® Dome-Tiles
Presenter Bio
At the conclusion of this program the designer will
have gained knowledge and understanding over the
following:
1. ADA Definition of Detectable Warnings
2. Reasons for the ADA Requirements and the Importance of
Compliance
3. ADA & ADAAG Law and Guidelines
4. What Types of Detectable Warning Products are Available
5. What Hi–Tech Concrete detectable warning tiles are
6. Proper Installation of Hi Tech Concrete Detectable Warning
Tiles
Learning Objectives
5
•
•
•
According to the American
Foundation for the Blind, every
seven minutes, someone in
America will become blind or
visually impaired.
There are approximately 10
million blind and visually
impaired people in the U.S.
who need long canes or leader
dogs to get around.
The Americans with Disabilities
Act (ADA) supports their right to
be aware of a hazard in their
line of travel.
Note: These statistics came from the
Foundation for the Blind
Statistical Snapshots
ADA Definition of
Detectable Warnings
1
•
A standardized surface
feature built in or applied to
a walking surface or other
elements to warn of hazards
on a circulation path.
•
Its intention is to function
much like a Stop Sign,
alerting pedestrians who are
visually impaired to the
presence of a hazard in the
line of travel.
ADA Definition of Detectable Warnings
Here is an example of a curb ramp at the entrance to a brand new Medical Center
Detectable warnings are needed any place where alerting pedestrians who are visually
impaired is required. Here is an example application at a light rail crossing.
ADA & Detectable Warning Tiles
The Reasons for the ADA
Requirements and the
Importance of Compliance
2
The Americans with Disabilities
Act (ADA) of 1991
• The ADA, a major Civil Rights
Law prohibiting discrimination
on the basis of disability,
establishes design
requirements for the
construction or alteration of
facilities.
• It covers facilities in the
following:
– Private sector (places of public
accommodation and
commercial facilities)
– Public sector (state and local
government facilities).
•
Under the ADA, the Access
Board is responsible for
Accessibility Guidelines
covering newly built and altered
facilities.
The Americans with Disabilities Act
(ADA) of 1991
•
1991 - USDOT and USDOJ developed regulations for new
construction and alterations using guidelines from ADAAG,
which serve as the basis for standards used to enforce the law.
•
These guidelines require the installation of detectable warnings
on sidewalks, street crossings and curb ramps, hazardous
vehicular ways and transit platform edges.
Note: “Hazardous vehicular ways” is a bit of a catch all and non
specific (unlike a curb ramp) but it does mean any location
where there might be a danger to sight impaired pedestrians.
(ADA) of 1991, cont’d…
•
•
Since 1991, Truncated
domes have been the
standard design requirement
for detectable warnings on
curb ramps and at flush
transitions from sidewalks to
street crossings.
In 1994, the US Access
Board temporarily
suspended the standard.
The suspension allowed them to do more research with
committees and also allowed the manufacturing market to
catch up with what the demand would be.
• In 2001, the Suspension was allowed to expire,
thereby reestablishing the Mandate.
• The ADAAG require that all municipalities and states
install Truncated Dome Surfaces on all new curb
ramps and projects with alterations to existing ramps.
Need Truncated Domes
Please review notes:
ADA & ADAAG Law
and Guidelines
3
It means 3 things:
1. Placing truncated dome tiles in the required
locations.
2. Using a product that meets the requirements of
the law.
3. Ensuring a long lasting solid installation without
any voids.
What Does it Mean to be
ADA / ADAAG Compliant?
ADAAG 4.29.5 Detectable Warnings at Hazardous
Vehicular Areas
•
•
If a walk crosses or adjoins a vehicular way, and the walking
surfaces are not separated by curbs, railings, or other elements
between the pedestrian areas and vehicular areas, the
boundary between the areas shall be defined by a continuous
detectable warning which is 36 inches wide, complying with:
4.29.2. => Detectable warnings shall consist of raised truncated
domes.
Q:
Where do the ADAAG Mandate the use of
Detectable Warnings?
What Legal Requirements have to be Met?
1.
Dome Shape & Sizing
2.
Dome Spacing
3.
Color Contrast
4.
Lasting Durability
In the following slide we will focus on the four point shown
here on the slide.
Q:
• ADAAG 1108.1.1:
Truncated domes in a
detectable warning
surface shall have:
Note:
According to ADAAG 1108.1.1 dome size:
• A true truncated dome is NOT a “hump” but
has a flat top and should be 50-65% of the
size of the base.
• As we see in this drawing of a truncated
dome. This is so important to remember
when you are specifying a truncated dome
product. The design is VERY specific and
this is what is expected for compliance.
– a base diameter of 0.9
inches (23 mm) minimum
to 1.4 inches (36 mm)
maximum
– a top diameter of 50% of
the base diameter
minimum to 65% base
diameter maximum
– a height of 0.2 inches (5
mm).
1: Dome Shape & Sizing
• ADAAG 1108.1.2 Dome Spacing. Truncated domes
in a detectable warning surface shall have a
– center - to – center spacing of 1.6 inches (41mm) minimum
– 2.4 inches (61mm) maximum
– base – to – base spacing of 0.65 inches (16mm) minimum,
measured between the most adjacent domes on square
grid.
Note:
This is the key….
Size and shape of the truncated dome as well as the spacing between the
domes is imperative for compliance.
2: Dome Spacing
Q: Is 70% color contrast between detectable warnings and
adjoining surface a requirement?
NO, NOT ANYMORE.
ADAAG 1108.1.3 Contrast.
Detectable warning surfaces shall contrast visually with adjacent
walking surfaces either:
Light–on–Dark, or Dark–on-Light.
(Access Board Revision, 2005)
3: Color Contrast
Q: Is the product durability related to overall compliance?
YES, ABSOLUTELY
Title I and III, 36.211 Maintenance of Accessible Features:
A public accommodation shall maintain in operable working
condition those features of facilities that are required to be readily
accessible to and usable by persons with disabilities by the Act of
this part.
4: Lasting Durability
• This is a standard
detectable warning tile.
Notice the shape of the
domes and the spacing
between them?
Detectable Warning Detail
Detectable
Warning
Curb Ramp Detail
Its needed both on private and public.
Detectable
Warning
Basic Ramp Details (ex. Parking Lot)
1.
2.
Being compliant at COO (Certificate of
Occupancy) is a great beginning,
Staying compliant through the life of the project
is the challenge, and the law.
As covered in the previous slides
(Keep in mind that this is enforceable by
Title II & III, section 36.211 Maintenance of
Accessible Features!)
Very Important to Remember…
What Types of
Detectable Warning
Products are Available?
4
When looking for detectable
warning products be aware that
the products are:
• Long lasting & durable
• Are certified ASTM tested
• Environmentally friendly and
‘Green’ manufactured
• Are compatible with the
substrate and surrounding
concrete areas
What Types of Detectable Warning
Products are Available?
1st Generation:
Stamped or Scored Concrete
2nd Generation:
3rd Generation:
4th Generation:
5th Generation:
6th Generation:
7th Generation:
Brick Paver or Sand-bed Set
Surface Applied
Plastic Inset
Metal Inset
Standard Concrete Inset
Hi–Tech Concrete Inset
Types (Generations) of Products
Currently Available :
Stamped Concrete Truncated Domes
Pros:
• “Stamped” detectable warnings are also popular with contractors and
developers due to the low cost and the ability to reuse molds
repeatedly.
Cons:
• Stamped Concrete Domes are NOT ADA Compliant from the start.
They are soft, powdery domes that have little substance to hold the
proper shape
• In many cases the “cream” is what comes out through the form and
“cream” is just sand and water
• Concrete “humps” can disintegrate quickly
• Color seal peels / deteriorates
NOTE: Scored concrete was found to be too similar to pavement
cracks and not acceptable as a warning pattern
Click onto the next slide to view examples
1st Generation:
Stamped Concrete Cons
This is a stamped
concrete ramp - notice
that the domes are not
uniform. The concrete
slumped in some
domes are missing.
In the example there
is no color contrast.
In this example color
has been added but
the concrete mix was
wrong and the
domes collapsed.
1st Generation:
Brick Pavers
Pros:
•
Sand set allows for easy replacement, repair & adjustment of pavers.
Proper compaction of the sub-base, good edge restraint and stable soil
conditions are critical to prevent movement of pavers. Sand bed should
not be thicker than 1”. Joints are usually swept with sand.
Cons:
•
Domes are NOT ADA compliant
– In many cases, they are already non-existent upon delivery
•
•
•
•
•
The brick materials are soft by nature
Bricks shift in the sand bed
Shifting causes a trip hazard & liability issue
Lengthy install = High labor rate
Soil must be properly compacted and a concrete base and edge
restraints should be poured and cured prior to install
Note: Bricks are shipped to sites on pallets. They rub and shake. The
abrasion and bouncing around can makes the domes come off.
2nd Generation:
Brick Paver Cons
Domes are not
true.
Washed through
sand bed.
Can not control what
grows under.
2nd Generation:
Surface Applied
Overview:
This category involves several products and a few
methods of installation.
•
Rubber or Plastic Mats are
– Glue down or
– Anchor in place
•
Manufactured on site are
– Heat applied or
– Individually screwed in place
3rd Generation:
Pros:
•
Rubber or plastic mats are applied directly to clean dry surfaces
with an adhesive. The application is achieved without the need of
specialized labor or machinery. It is very user-friendly and
inexpensive.
Cons:
•
•
•
•
Deformation often causes a trip hazard and potential liability issue
Not aesthetically appealing
Domes often do not stand up to traffic, UV light, and heat
Frequent & costly replacements necessary
3a Rubber & Plastic Mats
Thin rubber mats
can rip when
something heavy
is pulled across.
Here you see the
“bubbling effect”.
The material will
easily tear due to
heavy traffic and
weather
conditions.
The plastic mats
never stick really
well to the concrete
underneath.
3a Rubber & Plastic Mats Cons
• These products are either installed by heating the
concrete to an estimated 500 degrees for a melted
bond
OR
• Holes are drilled, epoxy inserted and then individual
spiked domes inserted into the concrete
• In general, this causes a labor intensive install (up to
9 hours for 50 SF)
3b Manufactured on Site
As you can
see from the
image you can
tell that the
installer tried to
move it in the
process of
installing and
caused it to rip
and wrinkle.
This example is
at a school bus
drop off. Heavy
traffic, kids and
the environment
caused it to dry
out, crack and
delaminate.
This heat applied product is just
peeling away from the concrete
just from foot traffic in a residential
subdivision. This install does not
comply with ADA guideline
requirements for location on the
ramp as well as product
deterioration.
3b Manufactured on Site Cons
Plastic – Inset
Pros:
Thin enough to be cut with scissors.
Cons:
•
•
•
•
•
•
Significant durability problems, due to ‘trapped air’ during installation,
Significant safety problems, because plastic becomes very slippery
after a short time,
Regular & costly replacement necessary,
Not aesthetically pleasing, and can look ‘out of place’ in a concrete or
asphalt environment,
Different expansion and contraction from concrete
Not environmentally friendly & Not ‘Green’.
4th Generation
Plastic – Inset Cons
4th Generation
Plastic – Inset Cons
When air is trapped
underneath, you can start
seeing fissures.
You can ultimately end up with
pieces missing requiring
replacement.
4th Generation
Metal - (Steel or Cast Iron)
Pros:
Detectable Warning Plates are made from cast iron or steel. The
system can withstand heavy traffic conditions.
Cons:
•
•
•
•
•
Cast iron tends to rust and bleed into adjacent concrete.
The steel and iron can become very slippery when wet and are very
hot in the summer.
The metal shows significant different expansion & contraction than a
sidewalk environment would.
Metal cannot be ‘colored through’ to comply with ADAAG 4.29.2,
Color-coatings wear off quickly, and thus imply costly replacement.
5th Generation
Metal - (Steel or Cast Iron)
You can see in a
close up that the
domes are NOT truly
truncated. A common
problem with metal is
that it will rust and
stain the surrounding
concrete.
Here is an
example of how
the rust “bleeds”
into adjacent
concrete.
You can see the
topically applied
color deteriorates
and peels.
5th Generation
Pros:
These products are either 1 & 2:
1. Standard concrete in-set, or
2. Hi–Tech Concrete in-set
• Since they are made out of concrete they belong in the
sidewalk environment.
• Are proven to be the most durable although the composition of
Hi–Tech Concrete in-sets allow the system to last longer and
can withstand higher pressure.
• Both are proven to be safe products, although Hi–Tech
Concrete in-sets are known to have longest lasting high slip
resistance and abrasion resistance.
Concrete Insets
Standard Concrete Insets
Cons:
• Generally, the truncated domes are not shaped to
compliance and they deteriorate quickly over time.
• The ‘weathering’ characteristics are very similar to
stamped concrete.
• A costly replacement will be required due to
deterioration.
6th Generation:
Standard Concrete Insets Cons
Domes are not
truly truncated and
cannot withstand
heavy traffic
Tiles are cracking,
and domes are
almost completely
worn off.
Standard concrete
tiles crack under
pressure, and the
domes do not
withstand normal
‘wear & tear’.
6th Generation:
Hi–Tech Concrete Insets
Pros:
• The truncated domes are perfectly shaped for full compliance,
and they are extremely durable and do not deteriorate over
time.
• The surface does not get slippery, even when wet.
• Heat, cold, salt, and chemical resistant.
• The tiles are able to withstand much higher pressure than
standard concrete and can out-last the surrounding sidewalk.
Cons:
• Like any other product when it is being installed you have to
make sure to have a qualified contractor install it. The system
does not have any known flaws other than it needs to be
properly installed.
7th Generation:
High-tech concrete-based dome tiles
installed at a light rail in Phoenix for years.
7th Generation:
An example of a Hi–Tech Concrete dome tile installed in the
Utah mountains. You can see the perfectly shaped and
aligned truncated domes.
7th Generation:
7th Generation:
What are
Hi–Tech Concrete-Based
Detectable Warning Tiles
5
Hi–Tech Concrete tiles are 100% compliant with all ADA / ADAAG
regulations and are truly truncated.
Hi–Tech Concrete tiles have higher physical characteristics – such as an
independently ASTM tested compressive strength of over 11,700 psi, a
water absorption of less than .49%, a wet/dry slip resistance average of
0.86, a freeze/thaw factor of 0.00% and are colorfast!
1. They are made out of a scientifically
researched material with a combination
of the best concrete, nano powders,
polymers, and Arizona salt river
aggregates.
2. They are manufactured with an
advanced technology for towering
strength, ultimate durability and the
ability to shape a perfectly compliant
truncated dome.
Q: What are Hi–Tech Concrete Dome Tiles
ADA Specification
Cut Away of a
Hi–Tech Concrete Dome
Detectable Warnings: Synthesis of U. S. and International Practice.
ADAAG Specifies: As explained earlier, you can see the specific shape and sizing
requirements are met. The material used to provide contrast shall be an integral
part of the walking surface. Detectable warnings used on interior surfaces shall
differ from adjoining walking surfaces in resiliency or sound-on-cane
contact. ADAAG 4.29.2
Q: What is a Truly Truncated Dome?
for Pedestrians and Guide Dogs?
Answer: Yes
• It never gets slippery, not even in wet conditions.
• Hi–Tech Concrete domes are long lasting, stay
aligned, and do not wear off.
• Domes will not crack or break.
• Hi–Tech Concrete never gets too hot for guide dogs’
paws.
Q: Is Hi–Tech Concrete Safe
As we discussed earlier Hi–Tech Concrete truncated dome tiles are
environmentally friendly and are green manufactured. As side from
being good and friendly they are also...
•
•
•
•
•
Are Environmentally
Friendly and ‘Green’
Manufactured
•
•
Easy, Fast Void Free Installation
Unique and permanently solid
anchoring system
Protective covering for a clean
finish
Contractor training available
Compliant with all ADA / ADAAG
regulations
Are independently ASTM tested
& certified
Maintenance free
Hi–Tech Concrete Truncated Dome Benefits
•
Physical properties
–
–
–
–
–
•
Chemical properties
–
–
–
–
–
•
High flexural strength (above 1,500 psi)
High compression strength (above 10,000 psi)
High tensile strength (above 1,500 psi)
Low abrasion (below 0.05 cm3/cm2)
Low absorption (below 1%)
High chemical resistance
High stability
Controlled curing
Low reactivity
No toxicity
Mechanical properties
– High toughness
– High malleability
– High ductility
Hi–Tech Concrete is a sustainable construction material and has very strong
pressure ratings. The rating are the highest available in the industry today.
Hi–Tech Concrete Physical Properties
D-1
Concrete
Solid Ground
1’
1’
1’
F0 applied
D-2
Plastic
1’
F0 applied
The horizontal break axis
F reaction to F0
Concrete’s typical Compression
Strength is 4,000psi. If a uniform
force F0 was applied to the 1’ by 1’
cross sectional area, it would take
576,000 lb before the concrete
would break.
D-3
Hi–Tech Concrete
1’
1’
F0 applied
F reaction to F0
F reaction to F0
Plastic’s typical Compression
381,292 lb before the plastic
detectable warning would break.
This is because the force only acts on
13.148in2.
Hi–Tech Concrete typical
Compression Strength is
11,760psi. If a uniform force F0 was
applied to the 1’ by 1’ cross sectional
area, it would take 1,693,440 lb
before the Hi–Tech Concrete
detectable warning would break.
This is because the force acts on
144in2.
Calculation: 144in2 (4,000lb/in2) =
576,000lb
Calculation: (0.185 * 12) + 5 (0.185*11.815) =
13.148in2
Calculation: 144in2 (11,760lb/in2)
= 1,693,440lb
Where:
13.148in2 (29,000lb/in2) =381,292lb
Where:
1’ X 1’ cross sectional area = 144in2
Where:
1’ X 1’ cross sectional area = 144in2
Concrete compression strength =
4,000lb/in2
Plastic rib width av = 0.185”
Number of ribs are 5 across and 1 on back
(best case scenario)
Plastic compression strength = 29,000lb/in2
Hi–Tech Concrete compression
strength = 11,760lb/in2
Compression Strength Comparison
D-1
Concrete
Solid Ground
1’
1’
1’
F reaction to F0
Where:
1’ X 1’ cross sectional area =
144in2
Concrete tensile strength =
430lb/in2
F0 applied
Calculation: 144in2 (430lb/in2) =
64,800lb
Plastic
D-3
Hi–Tech Concrete
1’
1’
F0 applied
Concrete’s typical Tensile
Strength is 430psi. If a
uniform force F0 was applied
to the 1’ by 1’ cross sectional
area, it would take 64,000 lb
before the concrete would
break.
D-2
F reaction to F0
Plastic’s typical Tensile Strength is
applied to the 1’ by 1’ cross sectional area,
it would take 249,828 lb before the
plastic detectable warning would break
out of the sidewalk. This is because the
force only acts on 13.148in2.
1’
F0 applied
F reaction to F0
Hi–Tech Concrete ’s typical Tensile
334,800 lb before the Hi–Tech
Concrete detectable warning
would break out of the sidewalk.
This is because the force acts on
144in2.
Calculation: (0.185 * 12) + 5 (0.185*11.815) =
13.148in2
Calculation: 144in2 (2,325lb/in2)
= 334,800lb
13.148in2 (19,000lb/in2) =249,828lb
Where:
Where:
1’ X 1’ cross sectional area =
144in2
Plastic rib width av = 0.185”
Number of ribs are 5 across and 1 on back (best
case scenario)
Plastic tensile strength = 19,000lb/in2
Hi–Tech Concrete tensile
strength = 2,325lb/in2
Tensile Strength Comparison
D-1
Concrete
1’
1’
D-2
Solid Ground
F0 applied
1’
Plastic
1’
F0 applied
The vertical break axis
Concrete’s typical Flexural Strength
is 435psi. If a uniform force F0 was
applied to the 4” by 1’ cross sectional
area, it would take 20,880 lb before
the concrete would break if the
concrete was not installed on solid
ground. Because sidewalks are
installed on solid ground, the force
required to break the slab on a vertical
axis would be near the compression
strength of 576,000 lb.
Calculation: 48in2 (435lb/in2) =
20,880lb
Where:
1’ X 4” cross sectional area = 48in2
Concrete flexural strength = 435lb/in2
D-3
Hi–Tech Concrete
1’
1’
F0 applied
Plastic’s typical Flexural Strength is
applied to the 0.185” by 1’ cross sectional
area, it would take 65,046 lb before the
plastic detectable warning would break.
This is because the force only acts on
2.22in2. Note that the Plastic detectable
warning does not get the benefit of the
concrete or the solid ground because of the
trapped air.
Hi–Tech Concrete ’s typical Flexural
Strength is 1,965psi. If a uniform force
F0 was applied to the 4” by 1’ cross
sectional area, it would take 32,814 lb
before the Hi–Tech Concrete
detectable warning and the concrete
would break. Because sidewalks are
installed on solid ground, the force
required to break the slab with a Hi–
Tech Concrete detectable warning on
a vertical axis would be near the
compression strength of 576,000 lb.
Calculation: 0.185*12 = 2.22in2
Calculation: 0.65*12 = 7.8in2
2.22in2 (29,300lb/in2) =65,046lb
7.8in2 (1,965lb/in2) =15,327lb
Where:
Plastic thickness av = 0.185”
Plastic flexural strength = 29,300lb/in2
15,327lb +( (3.35*12)*435) = 32,814lb
Where:
0.65” X 1’ cross sectional area = 7.8in2
Hi–Tech Concrete flexural strength =
1,965lb/in2
Flexural Strength Comparison
Property
Test Method
Result
Compressive
ASTM C 39-04
11,760 psi
Abrasion Test
ASTM C 418
0.03cm³/cm²
Water Absorption
ASTM C 140-04
0.49%
Freeze Thaw
ASTM C 1262
0.0%
Slip Resistance
ASTM C 1028
Fa = 0.86
Tensile Strength
ASTM C 496
>2,300 psi
Flexural Yield
ASTM C 947-03
~2,000 psi
Flexural Ultimate
ASTM C 947-03
>2,900 psi
(Independently verified & certified data)
ASTM Test Data for
Hi–Tech Concrete Truncated Dome Tiles
ASTM
Properties
Paver
(Brick)
Standard
Concrete
Hi–Tech
Concrete
C 39-04
Compression Strength
3000 psi
3500 psi
11,760 psi
C 418
Abrasion
> 1 cm/cm
> 0.5 cm/cm
0.03 cm/cm
C 140
Water Absorption
5%
3%
0.49%
C 1262
Freeze Thaw (500 Cycles)
Fail
Fail
Pass (0%)
C 1028
Slip Resistance
Fa=0.85
Fa=0.85
Fa=0.86
C 947-03
Flexural Yield
330 psi
380 psi
1,985 psi
C 947-04
Flexural Ultimate
340 psi
400 psi
2,968 psi
C 496
Tensile Strength
300 psi
350 psi
2,325 psi
Availability in Federal Colors
NO
NO
YES
High Chemical Resistance
NO
NO
YES
Ductility (give and take)
NO
NO
YES
Durability
LOW
LOW
HIGH
Malleability (perfect domes)
LOW
LOW
HIGH
Comparison-Brick (Paver), Standard
Concrete and Hi–Tech Concrete
Hi–Tech Concrete Dome Tiles
Sizes & Colors
5 Standard Sizes:
• 12” x 12”
• 24” x 24”
• 24” x 30”
• 24” x 36”
5 Natural colors:
• Terracotta
• Charcoal
• Brown
• Green
• Yellow
Color: Integral part of the tile (DSA
Ref. Manual, 1127B.5.7), and
conforming to specified Yellow
#33538, Federal Std. 595B.
Standard Sizes: 24” x 24” x 11/16”,
24” x 30”x 11/16”, 24” x 36” x 11/16”,
30” x 36” x 11/16”
Spacing between domes: 1.67”
nominal
Center to Center Dome
Spacing is 1.67"
Also Available in Federal White,
Black and Blue. Custom colors are
available upon request.
FEDERAL YELLOW
(California Gold)
Proper Installation of Hi
Tech Concrete Detectable
Warning Tiles
6
Anchoring Bolt
Protective Cover
Click onto the next slide to view Install images
Hi–Tech Concrete
Anchoring and Protective Covers
1
First prepare the area
and slope where
detectable warnings
will be placed.
2
The second step is to
install the anchoring
bolts into the tile
How are Hi–Tech Concrete
Dome Tiles Installed? Wet-Set Installation
3
Place the tool in the
ramp to help outline
area where detectable
warnings will be
placed.
4
Remove ¾ inch of
concrete from within
the tool
5
Remove tool, use a
wood float, level the
area where the
detectable warnings
will be placed.
6
Brush the back of each
tile with a predampened brush to aid
adhesion of cement
mixture. Fasten
anchoring system.
7
Apply a minimum 1/8 inch
mixture of 3:1:1 ratio of
Portland cement, sand and
potable water to the back
of the tile.
8
Place the tile into the leveled
area. Prepare additional
tile(s). Align and put into
place additional tile(s).
Position tiles into concrete
and level by using a rubber
mallet.
9
Finish surrounding concrete
flush with the base of the
dome tiles and edge around
the tiles with a 1/8” radius
edger. Clean any concrete
residue off of the tile.
10
Remove Protective Cover
Installation is complete!
Typical Section-Fresh Concrete
The tiles can be installed by using the thin-set installation
system as well.
Dome Tiles Installed? Thin-Set Installation
Typical Section-Thin-Set
By now you should have gained knowledge and understanding over
the following:
1. ADA definition of detectable warnings
2. The reasons for the ADA-Requirements and the importance of compliance
3. ADA & ADAAG Law And Guidelines
4. What types of detectable warning products are available
5. What Hi–Tech Concrete detectable warning tiles are
6. Proper Installation of Hi Tech Concrete Detectable Warning Tiles
Hi–Tech Concrete dome tiles are ADA compliant and are
independently ASTM tested.
The system is guide dog friendly and does not get to hot, where a dog
might avoid walking across it, therefore making it unusable by a visually
impaired person. Installed/proven in ALL climates
Program Summary
1. ADB - Accessible Design for the Blind –
www.accessfortheblind.gov
2. ADA and ABA Guidelines July 2004
www.access-board.gov
3. ADA Hotline – 1-800-514-0301
4. Department of General Services – Division of the State
Architect (DSA)
www.dsa.ca.gov
5. California Government Code, Section 4460
http://law.onecle.com/california/government/4460.html
6. Texas Transportation Institute, The Texas A&M University
System
March 2005 Report for
National Cooperative Highway Research Program
Transportation Research Board of National Academics
Resources
•
This concludes the course
material.
•
The following ten minutes will
be for taking a short exam. You
must complete the exam with a
80% or higher in order to
receive credit.
•
Please make sure and print
your certificates of completion
either for AIA/CES, CSI/CEN or
for state MCE credit.
Questions For The Next Ten Minutes
If you are in the state of
California or any other state
that requires the Trainer
Educator's Knowledge &
Experience Background
please click on the following
link to download a PDF
version of the Bio.
Click here download
Presenter: JoAnn Lichty
Director of Sales and National Accounts Manager for StrongGo Industries,
manufacturers of TekWay® Dome-Tiles
Presenter Bio
This concludes the continuing education
program. Please proceed to take the exam.
StrongGo Industries (LLC)
3296 E. Hemisphere Loop
Tucson, Arizona 8, 5706-5013
USA
Phone: (520) 547-3510
Fax: (520) 547-3515
Toll-Free: (866) 439-3216
Email: [email protected]
Web: http://www.stronggo.com/
ADA ComplianceUnderstanding ADA
Guidelines for Detectable
Warnings
This continuing education program is
sponsored and provided to you due to
the professional courtesy of:
Thank You For Your Time!
MRS001
© 2010. The material contained in this continuing education
program belongs to TekWay®. Questions or concerns about the
program content need to be addressed with the program
instructor.
CSI-A0201
AIA-TW3201
Powered by
82
Quiz Instructions – TW3201-Quiz
•
•
•
•
In order for you to get credit for this program you
must successfully complete the following short
exam.
Pass for this exam is 80% or higher.
Please make sure and print your certificates of
completion either for AIA/CES, CSI/CEN or for
state MCE credit.
Please print your Certificate of Completion upon
successful completion. You can print the certificate
from your A-F transcript any time after
completion.
If your colleagues can benefit from this course, please let them know. Feel
free to revisit the Architect-Forum LMS eLearning System to take additional
courses.

ADA Compliance- Understanding ADA Guidelines for Detectable

Transcription

Similar documents

What should Ada wear?

2012 ADA Celebration

Ada County Sheriff 2013

PATransit Port Authority of Allegheny County DR500C Talking Bus

GranQuartz - Ameripolish

ADA Compliant Paver

Barrier-Free Dual Height Wall Mounted Drinking Fountain DF-3701

GranQuartz

Concrete Sound Barrier Broucher

CIS: Celebrate, Inform, Support - ACM-W