HomeMy WebLinkAbout07 76 00 - Deck PedestalsMidtown West Studio M Architecture and Planning
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SECTION 07 76 00 – PAVER AND PEDESTAL SYSTEMS
PART 1 - GENERAL
1.1 SUMMARY
A. Adjustable Deck Pedestals
B. Wood Tile
C. Concrete Pedestals
1.2 SUBMITTALS
A. Submit under provisions of Section 01300.
1.3 MANUFACTURERS DATA SHEETS on each product to be used, including:
A. Preparation instructions and recommendations.
B. Storage and handling requirements and recommendations.
C. Installation methods.
D. Shop Drawings: Submit shop drawings detailing the installation methods.
Coordinate placement with locations noted on the Contract Drawings
1.4 QUALITY ASSURANCE:
A. Manufacturer Qualifications:
1. All primary products specified in this section will be supplied by a single
manufacturer with a minimum of ten (5) years’ experience.
B. Installer Qualifications:
1. The deck support system installer must have a minimum of two (2) years
proven construction experience, be capable of estimating and building
from blueprint plans and details, determine elevations, and properly
handle materials. All Work must comply with the Industry Standard
installation application procedures for deck support work specified
herein experience.
C. Special Considerations:
1. The contractor assumes the responsibility for and must take into
consideration the structural capability and adequacy of the structure to
carry the dead and live load weight(s) involved, and that the density of
any insulation is satisfactory to resist crushing and damaging the
waterproofing membrane.
D. Mock-Up: Provide a mock-up for evaluation of surface preparation
techniques and application workmanship.
1. Finish areas designated by Architect.
2. Do not proceed with remaining work until workmanship is approved by
Architect.
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3. Refinish mock-up area as required to produce acceptable work.
1.5 DELIVERY, STORAGE AND HANDLING:
A. Deliver and store Deck Supports and system components with labels intact
and legible.
B. Inspect all delivered materials to insure they are undamaged and in good
condition.
C. Store and dispose of solvent-based materials such as construction
adhesive, and materials used with solvent-based materials, in accordance
with requirements of local authorities having jurisdiction.
1.6 PROJECT CONDITIONS:
A. There are no pedestal installation temperature restriction guidelines other
than the practical considerations of working in any unsafe condition or
inclement weather.
B. Deck supports specified are to be for used with pedestrian traffic only.
C. Perimeter Walls and Containment
D. Pedestrian decks must be restrained by perimeter blocking or walls on all
sides. Material movement greater than 1/8” is unacceptable and will be
subject to rejection.
E. It is recommended that the deck surfacing tiles or pavers sit above the
waterproofing integral flashing and or counter flashing. In situations where
the perimeter of the deck comes into contact with the flashing material,
protective wall covering should be specified if deemed necessary by
specifier.
F. Heavy Roof Top Features. Flat bottom features such as planters, heavy
benches, water features, hot tubs, etc. always require individual support
that is in addition to the deck pedestal system.
1. A minimum of one additional pedestal support must be installed for every
500 lbs. (or portion thereof) of static loading. These additional support
pedestals must be installed directly under the decking and evenly
spaced immediately below the feature locations. One additional pedestal
must be placed under corner of any rectangular feature.
2. When installing Integrated Planting Features, additional support may be
needed under the center and corners of the cubes depending on the
size and anticipated weight loads.
3. Features supported by legs or feet are not advised or considered
unacceptable because of the consequences of point loading.
G. All decks shall be designed to not exceed the design capacity of the
pedestal.
H. The substrate immediately below the pedestals shall provide positive
drainage.
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I. In the case of decks over roofing substrates, roof systems must meet local
building code and be in accordance with the NRCA recommended good
construction practices. Only roofing manufacturer approved systems shall
be used.
J. Pedestals must be installed on surfaces with a minimum 40 psi bearing
capacity.
1.7 WARRANTY:
A. At project closeout and upon request, provide to the Owner or Owners
Representative, an executed copy of the manufacturer’s standard document
outlining the terms, conditions and limitations of their limited warranty
against manufacturing defect for a period of three (3) years. The
Contractor warrants that his work will remain free from defects of labor
and materials used in conjunction with his work in accordance with the
General Conditions for this project or a minimum of three (3) years. It is
the responsibility of the Contractor installing the product listed in this
section to coordinate warranty requirements with any related sections or
adjacent Work. Notify the Architect immediately of any potential lapses or
limitations in warranty overage.
PART 2 – PRODUCTS
2.1 MANUFACTURERS – BASIS OF DESIGN PRODUCTS
A. Pedestals
a. Bison Innovative Products; 2395 West 4th Avenue, Denver, CO 80223.
Toll Free 800-333-4234. Phone 303-892-0400. Fax 303-825-5988.
Email: Sales@BisonIP.com. Web: www.BisonIP.com.
b. Hanover
c. Substitutions: Products with equal to or greater performance criteria
B. Wood Tile Pavers
a. Bison Innovative Products; 2395 West 4th Avenue, Denver, CO 80223.
Toll Free 800-333-4234. Phone 303-892-0400. Fax 303-825-5988.
Email: Sales@BisonIP.com. Web: www.BisonIP.com.
b. Substitutions: Products with equal to or greater performance criteria
C. Concrete Pavers
a. Hanover Architectural Products: 5000 Hanover Road, Hanover, PA
71331. Phone: 717-637-0500 Email: info@hanoverpavers.com
D. Requests for substitutions will be considered in accordance with provisions
of Section 01600.
2.2 APPLICATIONS/SCOPE:
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A. Pedestals maximum cavity height 12 inches (305 mm). Achieve design
concept using any/all of the following components and any additional
manufacturer’s recommended or required application restrictions.
a. Adjustable
b. Fixed
c. Shims 1/8” and/or 1/4"
d. Base Leveling Disks
e. Joist Tops
f. Wedges
B. Wood Tiles
Basis of Design: Bison Model WT-IPE-24RIBBED Ipe Wood Tile
Bison Model WT-IPE-48RIBBED Ipe Wood Tile
a. 24” x 24” nominal or fraction thereof to achieve project requirements.
b. 24” x 48” nominal or fraction thereof to achieve project requirements.
c. Fire Rating: Class A – meets & exceeds ASTM E108-07a Spread of
Flame Test
d. Color: Brown
e. Surface Texture: Ribbed
C. Concrete Pavers
Basis of Design: Hanover Roof and Plaza Pavers
a. 24” x 48” nominal or fraction thereof to achieve project requirements.
b. 24” x 24: nominal or fraction thereof to achieve project requirements.
c. Color: “Natural”
d. Surface: Smooth
D. Care & Maintenance of Wood Tiles:
1. Wood Tiles are a natural material and can absorb or loose moisture in
different climates.
2. Wood Tiles are made of Ipê hardwoods which contain a rich variety of
graining and coloration and are exceptionally dense and resistant to
insects.
3. Storage: Keep product out of direct sunlight until it is ready to be
installed. Wood tiles should not be stored tightly wrapped in plastic.
wood tiles will adjust to the climate where they are installed and may
have or develop some slight cracking or checking.
4. General Safety Precautions when working with Wood Tiles: Wear safety
glasses with side shields when handling, cutting, sanding, or grinding this
material. Use a face shield for processes that may generate excessive
dusts and splinters. Wear puncture resistant work gloves, such as
leather when handling. Respirators must be worn if the ambient
concentration of airborne contaminants exceeds prescribed exposure
limits. Dust masks may be worn to avoid the inhalation of nuisance dust.
Dust masks are not adequate protection in environments above the
occupational exposure limit. Cutting, Grinding, or Sanding should be
done outdoors or in a well-ventilated area. Refer to product MSDS for
more information.
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5. Cutting: Carbide or diamond tipped blades are highly recommended.
Wood tiles have a very high density and a slower feed rate is
recommended when cutting tiles. In order to minimize checking (small
cracks) the installer must seal any cut ends with Anchorseal® or other
equivalent product. Apply sealer with a foam brush to the cut ends only,
being very careful to not get any on the top surface of the wood.
Reassembly: To reassemble tiles after cutting, the installer must pre-
drill holes from the bottom, using a carbide drill bit designed to extract
stock during drilling. Exercise caution to not drill through the top
surface. In addition, use only stainless steel screws which are durable
and provide maximum fastening power.
6. Fastening: Use manufactured recommended fastening system.
7. Cleaning & Sealing: If desired, Wood Tiles can be periodically cleaned and
sealed. Wood stabilizers or sealants can help mitigate the loss of
moisture on the top of the boards and minimize checking and splitting.
The installer can lightly wax the ends of the wood if desired. Note: small
checks and splits are normal and a natural part of the wood. The
following manufacturers offer cleaning and sealing products specifically
designed for use with exotic hardwoods: Cabots, Penofin,Messmers.
Important: It is recommended that you test any cleaners or sealants in an
inconspicuous area first before applying them to the installed deck.
8. Sanding: If you plan to seal your deck and desire a more uniform
appearance, a light sanding is highly recommended. Use 80 grit
sandpaper to lightly sand the wood tiles and thus reduce the
appearance of any minor marks, scratches or surface imperfections.
After sanding, sweep the tiles and use water to rinse away any remaining
dust and allow to dry thoroughly before applying sealer. Exercise
caution when sanding wood with the scuff resistant surface. Important:
Always test any product you apply in an inconspicuous place to make
sure it performs as you expect. Maintaining Tile Color: To better
maintain the rich coloration of the tiles, you can apply a penetrating oil
finish with UV blocker. These products offer UV protection as well as
mold and mildew protection. Before applying any finish, first clean and
remove any residue from the wood tile as described above. After your
initial coat is applied, an annual maintenance coat will help keep the
coloration vibrant for years to come. Important: Always test any product
you apply in an inconspicuous place to make sure it performs as you
expect.
9. Natural Aging: Left to weather naturally and, depending on climatic
conditions, wood tiles will develop a silvery-gray patina. If you prefer
this look, It is recommended that a coat of wood stabilizer be applied
after installation. Some products provide UV protection, allowing your
wood tiles to acclimate more uniformly as weather and environmental
conditions season the deck. Note: each board has unique
characteristics and will weather at different rates. The amount of direct
and indirect sunlight, temperature, humidity, moisture and other local
conditions will factor into the time and shading of the deck.
10. Periodic Cleaning: Commercial Cleaning Products: It is recommended to
use a deck cleaning product which safely cleans the wood and also kills
mold spores. The deck tiles are ready to re-seal once they are cleaned.
Important: Always test any product you apply in an inconspicuous place
to make sure it performs as you expect.
11. Pressure Washing: You may also use a pressure washer to remove built-
up dirt, mold or mildew from your wood tiles. Caution: use the lowest PSI
for the species of wood you are cleaning. A maximum of 1200 PSI is
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suggested for Wood Tiles. It is recommended to use a professional
deck cleaning contractor and Test an inconspicuous area first and be
careful to use the wand in even strokes to avoid lap marks.
PART 3 – EXECUTION
3.1 EXAMINATION:
A. Do not begin installation until substrates have been properly prepared.
B. If substrate preparation is the responsibility of another installer, notify
Architect of unsatisfactory preparation before proceeding.
D. Verify all elevations, required pedestal heights and deck dimensions before
commencing work.
3.2 PREPARATION:
A. Establish accurate lines, levels and pattern.
B. The substrate surface that will receive the deck supports must be well
compacted (on grade) and structurally capable of carrying the dead and live
loads anticipated.
C. The substrate must be clean and free of projections and debris that could
impair the performance of the pedestals or the total deck system.
D. Decks over roofing and waterproofing: verify that installation conforms to
section 1.7H of this specification.
E. Decks on Grade: verify that installation conforms to section 1.7I of this
specification.
F. Installation requirements vary for each individual project site. Deck
materials used, pattern, grid layout, starting point, and finished elevation
should be shown on plan view shop drawings which have been prepared and
approved by the designer, installing contractor and/or owner.
G. Once a starting point and the finished elevation of the deck surface have
been determined, the support system elevation (finished elevation minus
deck material thickness) is established and marked around the perimeter
using a transit “torpedo” water level or laser leveling device.
H. Precise measurements should be taken and deck area should be accurately
defined. Mark off and square all outside edges with control lines (chalk
lines or spray paint). Install two (2) lines that are perpendicular to each
other across the deck area. Continue to mark a grid of lines in both
directions marking the location of each pedestal. To assure a square layout,
use the control lines as references to periodically check the layout during
installation.
3.3 INSTALLATION:
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A. Install in accordance with manufacturer's instructions.
B. If required, place a Floating Insulation Base (FIB) board or Floating
Foundation Base (FFB) in the location on the grid of each pedestal.
C. Next, a deck support must be placed where each measured grid line meets
the perimeter. Remove two (2) spacer tabs in line with one another on top
of each deck support placed around the perimeter. Remove all four (4)
spacer tabs at corners.
D. Adjust each deck support to a “top of pedestal” elevation marked around
the perimeter. Normally the deck support is positioned as close to the
perimeter as possible, with the two remaining spacer tabs aligned with the
grid line. Using the “top of pedestal” elevation marked on the perimeter,
stretch a mason’s line along and slightly ahead of the second row of deck
supports. A laser leveling device may also be used for this purpose.
E. On larger decks, it is recommended that pedestals be pre-sorted and pre-
set to the proper elevation and placed in position prior to the installation
of pavers or tiles.
F. As the deck supports located along the grid lines are loaded with pavers
or tiles, fine vertical adjustment can be made by rotating the base or
bottom of the deck support. Clockwise rotation of the pedestal base will
raise the bearing surface and the deck. Counterclockwise rotation will
lower the top bearing surface.
G. Pedestals have built in height limit indicator ‘bumps’. When pedestal is fully
extended, height limit indicator “bumps” will be felt and heard, indicating the
maximum height of the pedestal. Do not extend pedestal beyond the height
limit indicators. Do not exceed maximum height listed on pedestal, use the
next size pedestal.
H. Slight irregularities in decking panel thickness can be compensated for by
using one to two shim segments. Place on top of the pedestal, under the
corner(s) of the decking tile or paver. Use no more than two (2) shims on
top of the pedestal and always adhere ¼ wedges with construction
adhesive.
I. Stackable Fixed Height Pedestals: Complete deck and grid layout as
instructed above. Stack no more than four (4) fixed height pedestals
together and place in lieu of adjustable pedestals where needed. Spacer
tabs can be removed to accommodate perimeter and corner support
locations.
3.4 DECK SUPPORT PLACEMENT AND FINAL ADJUSTMENT:
A. Deck supports and the deck surface panels must be placed as the
manufacturer directs in these written instructions. Use of labor saving
devices, such as paver lifters, is encouraged, especially on large jobs.
D. Pedestals are designed to be rotated for final slight adjustment when
pedestals are fully loaded. Deck supports should be leveled in each
succeeding row as the installation proceeds. Final height adjustment or
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maintenance is easily made by simply rotating the base in a clockwise or
counter-clockwise direction to raise or lower the deck surface material.
C. Additional sections of shims may be used and should be available for regular
maintenance. Shims may be used in multiples, whole or segmented, and
placed under the base or on top the pedestal to level the deck support.
D. On top of pedestal: Use construction adhesive to adhere sections of shims.
Construction adhesive is not required when using whole shims on top of a
pedestal.
E. Beneath a pedestal: Use a small amount of construction adhesive to adhere
sections of shims and/or whole shims to each other or to the pedestal.
Unless specified to do so, DO NOT use construction adhesive to adhere
pedestal or shims to insulation, roofing or waterproofing membrane.
3.5 PERIMETER CONTAINMENT:
A. Any area of a deck that is not restrained by a parapet or foundation wall
must be ‘boxed-in’ and contained. The deck panels will move if all sides are
not adequately restrained. Perimeter containment located at the outside of
the deck must be installed to provide restraint. No movement should be
allowed at the perimeter of the deck system greater than 1/8” .
3.6 FIELD QUALITY CONTROL:
A. Inspect often during installation to assure that grid spacer lines are being
maintained in a straight and consistent pattern and that deck panels or
pavers are level and not rocking.
B. Confirm that deck pedestal height does not exceed the specified height
for the V Series:
C. Unless otherwise specified in writing to allow for expansion, inspect to assure
that all paver spacing between tiles and at perimeter containment does not
exceed a 1/8”. Particular attention should be made to assure that all
pedestrian entry or access points to the deck are level and that the deck
surface tiles are not randomly raised or uneven creating a tripping or safety
hazard.
3.7 PROTECTION:
A. Protect installed products until completion of project.
B. Touch-up, repair or replace damaged products before Substantial Completion.
3.8 IMMEDIATELY FOLLOWING INSTALLATION:
A. The Owner, or the Owner’s Agent, shall carefully inspect the deck system to
be positive that:
1. The new deck system is adequately blocked on all sides to contain the
surface decking and related components.
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2. There is no more than 1/8” spacing between any deck panels and at all
sides of the deck perimeter.
3. There is no ballasting rock used to fill in any perimeter voids.
4. There is no ‘rocking’ of deck panels as foot traffic is applied to the
surface decking.
5. All required spacer tabs are in place and visible.
3.9 ROUTINE MAINTENANCE AND CARE:
A. Installer and/or Architect has a duty to instruct the deck owner about
performing routine maintenance of the deck. Check for rocking pavers and
adjust or shim immediately. Substrates can settle and pedestals may have to
be readjusted. Failure to do so can cause a tripping hazard. Periodically
check spacer tabs and immediately replace broken tabs to limit deck
movement. Make sure the edge restraint stays intact and structurally sound.
END OF SECTION