07 71 23 – ROOF SPECIALTIES AND ACCESSORIES
PART 1 GENERAL
1.01
A.
SECTION INCLUDES (ALTERNATE PROPOSAL ONLY): Provide
all Labor, Materials, and Equipment to replace
existing roof scuppers, gutters, downspouts, and
associated hangers & accessories, if any and as
necessary, in order to replace the ACM siding and
soffit systems required to be replaced under the
Alternate Price Proposal scope of work.
Work of this Section includes contractor compliance
with all applicable requirements of the following
sections of the project specifications:
1) Division 01;
2) Section 02 41 00 – DEMOLITION;
3) 07 71 23 – ROOF SPECIALTIES AND ACCESSORIES
4) 26 00 00 - BASIC ELECTRICAL WORK (if any)
1.02
LOCATIONS OF WORK: Furnish and install new scuppers,
gutters, downspouts and accessories on the Hangar
Building, in the same locations as existing
scuppers, gutters and downspouts.
1.03
RELATED SECTIONS:
A.
SECTION 02 41 00 – DEMOLITION: Removal of the
existing gutters, downspouts, and accessories on
three buildings.
B.
SECTION 07 60 10 – HANGAR BUILDING ACM SIDING AND
SOFFIT REPLACEMENT.
1.04
A.
APPLICABLE PUBLICATIONS: The publications listed
below form a part of this specification to the
extent referenced. The publications are referred to
in the text by the basic designation only.
American Society of Testing and Materials (ASTM)
A167-99(2009)
5695607 - ALTERNATE
Stainless and Heat-Resisting
Specification Section 07 71 23,Page 1
Chromium-Nickel Steel Plate,
Sheet, and Strips
B.
B209/209M-14
Standard Specification for
Aluminum and Aluminum-Alloy
Sheet and Plate
B221/221M-14
Standard Specification for
Aluminum and Aluminum-Alloy
Extruded Bars, Rods, Wire,
Profiles, and Tubes
C920-14a
Standard Specification for
Elastomeric Joint Sealant
SHEET METAL AND AIR CONDITIONING CONTRACTORS’
NATIONAL ASSOCIATION (SMACNA):
1120-12, 7th Ed.
1.05
Architectural Sheet Metal Manual
SUBMITTALS: Submit the following in accordance with
Section 01 33 00:
A.
CATALOG CUTS: Provide manufacturer’s catalog cuts
describing manufactured components used to construct
the new scuppers, gutter and downspout system,
including accessories. Submit installation
instructions.
B.
SHOP DRAWINGS: Provide detailed shop drawings
showing design of proposed scuppers, gutter and
downspout system. At a minimum, show the following
dimensioned and labeled drawings:
1) Plan, section, and detail drawings of typical
arrangements. Show all gutter and downspout
locations.
a) Locate new gutters and downspouts in the same
locations as existing gutters and downspouts.
2) Plan, section, and detail drawings at each unique
condition, including but not limited to: splices,
transitions, attachments, etc.
3) Relative elevations and all new and existing
conditions affecting the designs and
installation.
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Specification Section 07 71 23,Page 2
PART 2 PRODUCTS
2.01
GENERAL REQUIREMENTS:
A.
Gutters, downspouts, leaf guards and other
accessories shall be manufactured by the same
company.
B.
All materials used
installation shall
install dissimilar
that would lead to
C.
SERVICE CONDITIONS: All materials and designs used
on this project, and/or contractor furnished, shall
safely accommodate load combinations and design
parameters as required by ASCE 7 and the service
conditions and Use Classification indicated in
subpart 1.17 of Section 01 10 00.
D.
COORDINATION WITH OTHER TRADES: Coordinate design
and installation details, interface details,
specifications, new product colors, and construction
installation sequencing with installers of related
Sections.
E.
COLORS OF SCUPPERS, GUTTERS AND DOWNSPOUTS: Colors
shall match as close possible to items being
replaced.
2.02
A.
2.03
A.
in the manufacture and
be chemically compatible. Do not
metals in contact with each other
accelerated corrosion.
ROOF GUTTERS (If Any): Match existing in size,
profile, and other attributes; except that a U.V.
Protected Kynar 500 factory finish shall be
provided.
In addition to requirements of subpart 2.01C of this
Section, roof gutter systems (including attachment
and supports) shall support a vertical load of at
least 50 plf.
DOWNSPOUTS (If Any): Match existing in size,
profile, and other attributes; except that a U.V.
Protected Kynar 500 factory finish shall be
provided.
GUTTER WALL STRAPS AND FASTENERS (If Any): Of
sufficient size and thickness to safely anchor and
support downspouts in accordance with ASCE 7; but in
no case less than 22 gage x 1.5 inches wide. Color
and finish to match new downspouts.
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Specification Section 07 71 23,Page 3
2.04
GUTTER LEAF GUARDS (If Any): Heavy Commercial
Grade, Manufactured specifically for use with the
gutter size, material, and profile furnished. Leaf
Guards furnished shall be low profile, removable,
and feature clip-on or hidden fasteners. Leaf Guard
fastening system shall be sufficient to secure Leaf
Guards under expected coastline wind loads in
accordance with ASCE 7. Leaf Guard color to be
selected by Contracting Officer from manufacturer’s
standard color selection, to match new gutters.
2.05
ACCESSORIES (If Any): Include all accessories for a
complete installation, including but not limited to:
hangers, support straps, spacers, end caps, outlet
tubes, downspout strainers, fasteners, anchors, and
aesthetic downspout transition pieces for attachment
to underdrain pipes where applicable.
A.
Screws, rivots, straps, and accessories shall be
weather protected and factory finished, with color
to match new gutters and downspouts respectively.
PART 3 EXECUTION
3.01
SCUPPERS, ROOF GUTTERS, DOWNSPOUTS, AND ACCESSORIES:
A.
Install scuppers, gutters and downspouts in accordance
with manufacturer’s published instructions and the
reviewed shop drawings. Only use fasteners and clips
specifically recommended for use with the manufactured products being installed on this project.
B.
Without exception, install new scuppers, gutters,
and downspouts in the same locations that existing
scuppers, gutters and downspouts are located.
C.
Secure new manufactured products and accessories
adequately to the building in order to safely resist
the loadings and service conditions specified in
subpart 1.17 of Section 01 10 00.
D.
Install new downspouts plumb and with
reveal to building corners and other
building lines.
E.
Install new gutters and downspouts in straight lines
for a professional installation appearance.
5695607 - ALTERNATE
constant
vertical
Specification Section 07 71 23,Page 4
F.
Where applicable, connect new downspouts to existing
under drain riser pipes using factory finished
fittings, manufactured specifically for that purpose,
and of the same color as the downspout.
END OF SECTION
5695607 - ALTERNATE
Specification Section 07 71 23,Page 5