STEELTEC STANDARD CANOPY SPECIFICATIONS
PART 1 General
1.01 Scope of
Steeltec shall furnish (and install if required) steel canopy
system. Product shall be shipped ready for erection, with all required
Approval drawings showing general layout, column spacing, fascia
style, and other required information shall be reviewed and approved by
owner, and returned to Steeltec prior to commencement of fabrication.
Permit drawings with a Professional Engineer’s seal in the state
of the project shall be provided upon request after order placement.
Drawings shall show canopy layout, required design loads per local
building code, structural members and footing sizes. Structural design
calculations shall be provided upon request.
Canopy erection drawings shall be furnished at time of shipment.
Piece marks shall be specified to facilitate easy field identification
of all major components.
minimum 1-year warranty is standard with each project. Warranty
includes, but is not limited to, leaks and material defects.
shall review completed work to ensure that the scope of work related to
the project required to be performed by Steeltec has been performed
satisfactorily. Upon satisfactory completion of this review, the owner
shall sign and date a completed Work Acceptance Form indicating
acceptance of the completed project. Warranty of the canopy commences
on the date of the signature.
PART 2 Products
materials shall be new, of good quality and without defects that would
lessen the quality of the product.
materials shall conform to the specifications and standard practices of
the latest editions of the AISC Manual of Steel Construction, AISI
Specifications for the Design of Cold Formed Members, ASTM A6 Standard
Specifications for General Requirements for Rolled Steel Plates, Shapes,
Sheets and Bars for Structural Use, and AWS D1.1 for welded
2.02 Structural Steel Framing
Columns shall be fabricated from hollow structural sections (HSS)
conforming to ASTM A500 Grade B, with minimum yield strength of 46 ksi.
ASTM A36 structural steel plate with minimum yield strength of 36 ksi
with pre-punched or pre-drilled boltholes shall be used for column top
and base plates. Plates shall be sized for required loads, with a
minimum thickness of 1/2 inch for top plates and 3/4 inch for base
plates. Gussets shall be used as required. Columns shall be provided
with electrical access openings, cover plates, conduits and drains per
flange beams conforming to ASTM A992 with minimum yield strength of 50
ksi shall be used as the primary roof-framing members. Other
roof-framing members (channel, angle, or tees), if used, shall conform
to ASTM A36 with minimum yield strength of 36 ksi. Bracing shall be
designed as required by design.
Structural steel plate shall conform to ASTM A36 with minimum yield
strength of 36 ksi.
Structural bolts shall conform to ASTM A325 Specification for High
Strength Bolts for Structural Steel Joints. All structural steel framing
members shall be shop fabricated for field bolted assembly, unless
otherwise specified on drawing.
Anchor rods shall conform to ASTM A36, A307 or F1554 Gr. 36 with minimum
yield strength of 36 ksi. Standard anchor rod size shall be 1-1/4 inch
diameter headed rods by 30 inch long with 8” of threads. Anchor rods
shall be placed with a minimum projection of 6 inches above top of
footer. Double nuts and washers shall be provided with each anchor rod,
with one set to be used for leveling column. Galvanized sheet metal
templates for setting anchor rods shall be provided. Templates shall be
removed prior to setting columns on anchor rods.
structural steel framing members shall be cleaned to remove loose mill
scale and other foreign matter.
cleaning, all members shall be given one shop coat of red-oxide
rust-inhibitive primer. The primer coat thickness shall be a minimum of
2.02.2 Galvanize and Paint for Structural
Steel, Columns (Optional)
Structural steel framing members shall be cleaned to remove loose
mill scale and other foreign matter. As required for the galvanizing
process the steel shall be degreased, acid cleaned, and soaked in flux
prior to galvanizing.
Hot Dip Galvanize (HDG) after fabrication to ASTM A123/A 123M
requirements. Provide minimum 1.70 oz/sq ft galvanized coating. The
exposed structural steel and columns are to be finish coated therefore
the final quench step in the HDG process is to be eliminated.
Solvent clean exposed surfaces and hot water rinse. Let dry
Surface prep (profile) exposed surfaces with a SSPC-SP6
Commercial Brush Blast.
Prime coat exposed surfaces 2 – 3 mils epoxy powder coat primer.
Topcoat exposed surfaces 2 – 3 mils high performance TGIC
Polyester Powder Coat Finish. Color to be specified by owner.
2.03 Deck Panels
deck panels shall conform to ASTM A653 Grade 40 steel with minimum yield
strength of 40 ksi, with a G60 galvanized surface per ASTM A924.
Aluminum and Galvalume deck pans are also available.
profile shall be 3 x 16 or 3 x 12 with 20, 22 or 24-gauge material
thickness. Other profiles may be available upon request.
Panels shall have a finish side coated with a full coat of white
polyester paint baked on over an epoxy primer. A white wash coat baked
on over an epoxy primer shall protect the interior side of the panel.
Other options include bronze color, a flat or high gloss finish, and a
smooth or embossed texture.
Panels shall be fastened to the bottom flange of the wide flange purlin
beams with a screw-type clamp and lock nut system, which requires no
“through the panel” fasteners.
panels shall not be spliced.
2.04 Fascia Systems
Option 1 - Smooth vertical 18 gauge preformed steel panels shall conform
to ASTM A653 Grade CS with minimum yield strength of 25 ksi, with a G60
galvanized surface per ASTM A924. Panel shall be provided with a powder
coat paint finish, in a size and color per owner’s requirements.
Option 2 – Aluminum Composite Material (ACM) Panels shall
be provided with a 3mm thick pre-finished aluminum composite material
substrate. Finish color shall be factory applied.
Option 3 – Corporate Image fascia systems shall conform to
corporate specifications for color, size and materials.
Option 4 – Foam core laminated steel panels shall be
provided with a 24 gauge G90 galvanized steel front and back with a 2
inch thick core of virgin expanded polystyrene with 1.5 pcf density.
Panels shall have a finish side coated with a full coat of polyester
paint baked on over an epoxy primer.
Fascia outriggers shall be cold formed 2 x 2 x 20 gauge steel angles
conforming to ASTM A653 Grade CS with a minimum yield strength of 25 ksi,
with a G60 galvanized surface per ASTM A924. 2 x 2 x 18 gauge or 2 x 2
x 1/8 inch structural angle shall be used as required by design.
Outrigger spacing per design requirements.
There shall be no exposed fasteners on exterior or bottom face of fascia
Fascia panels shall be protected throughout fabrication and
transportation with a factory applied removable film.
Vertical seams shall be sealed from backside with angle closure attached
gauge flashing shall be used as required by design.
Gutter shall conform to ASTM A653 Grade 40 steel with minimum yield
strength of 40 ksi, with a G60 galvanized surface per ASTM A924.
Profile shall be 14-inch wide x 4-inch deep, 24 gauge thick. Other
profiles available as required by corporate specifications.
Gutters shall have a finish side coated with a full coat of polyester
paint baked on over an epoxy primer. A white wash coat baked on over an
epoxy primer shall protect the interior side of the gutter.
Gutter leaders to column drain shall be one of the following options: 3
inch diameter PVC pipe with a 24 gauge leader cover (dry leader) or an 8
inch wide tapered (4 inch to 6 inch deep) 24 gauge steel leader (wet
leader). Larger gutters shall be used where required for proper
External downspouts shall be 3 x 4 roll formed aluminum with watertight
locked seams. Exterior side coated with a full coat of white polyester
paint baked on over an epoxy primer. Eternal downspouts shall be
mounted to the face of the column and be of one continuous length.
Larger drains shall be used where required for proper drainage.
Internal downspouts shall be 3 inch diameter PVC with couplings provided
at gutter leader attachment location and at base of column where
attachment to site drainage system is required. Larger drains shall be
used where required for proper drainage.
Collector boxes may be provided on columns where downspout is not
located on same side of column as the gutter leader comes into.
Collector boxes shall be fabricated from 18 gauge G60 galvanized steel
conforming to ASTM A653 Grade CS.
of the following options for deck mounted lights shall be provided:
LSI Scottsdale 320 watt
SMH light or equivalent
LSI Master Series 400
watt SMH surface mounted light or equivalent
LSI Richmond Series 400
watt SMH recessed light or equivalent
Customer specified light
of the following options for fascia-mounted lights shall be provided:
Eyebrow down-wash strip
lighting with offset fixtures to reduce shadow lines
Lower light well down-wash strip
lighting with offset fixtures to reduce shadow lines
Illuminated signs that meet corporate image or custom designed
specifications shall be provided. Signboxes shall be fabricated in the
factory to provide a high quality finished appearance integral with the
fascia system. Flexible fabric illuminated signs are also available.
2.09 Miscellaneous Accessories
Column shrouds that meet corporate image or custom designed materials
and specifications shall be provided.
Column spandrels (illuminated or non-illuminated) that meet corporate
image or custom designed materials and specifications shall be provided.
Structural bolts (ASTM A325) required for all field bolted connections
shall be provided.
Cadmium plated self-drilling metal screws shall be provided for all
sheet metal connections.
panel to beam clips shall be provided to attach all deck pans to
1/8-inch diameter pop-rivets shall be provided as required by design.
Anchor bolts and templates shall be shipped to owner prior to pouring of
canopy footings in accordance with permit drawings.
Exposed joints shall be sealed with a high-quality white silicone
caulk. Others colors are available for image specific criteria.
Non-exposed joints shall be sealed with white or bronze polyurethane
sealant such as Black Mastic, strip caulk or double-sided tape shall be
used as required by design.
PART 3 Execution
3.01 Site Preparation
shall provide a work area that is level and compacted. Gravel, concrete
or asphalt base recommended. There shall be no open trenches, tank
holes or mounds of fill within 25 feet of the work area.
shall be responsible for removal or relocation of overhead power or
utility lines in work area.
shall provide GFI protected 120 volt AC electrical power within 50 feet
of actual work area.
shall ensure that footings were installed by footing contractor in
accordance with signed Approval Drawing. Owner shall provide elevations
of top of canopy footings, elevation of high grade under canopy and any
other relevant elevations (e.g., building elevations, steep grade
elevations) to Steeltec prior to canopy fabrication.
Owner shall ensure that footing contractor has adequately protected
anchor bolts during the pour so that anchor bolts and threads are not
damaged to allow proper column erection and nut tightening. Nuts and
washers for anchor bolts shall be left on-site and accessible.
Owner shall ensure that other trades and personnel are not scheduled to
be working in canopy erection area during steel erection. OSHA
regulations prohibit other trades from working in area while cranes are
operating and steel is being hung.
Anchor rods and templates shall be shipped to owner prior to pouring
canopy footings in accordance with permit drawings. Anchor rods may be
requested subsequent to canopy order placement.
Canopy delivery schedule shall be coordinated between Steeltec and
owner. Delivery lead times shall be a minimum of four weeks from order
placement and return of signed Approval Drawings to Steeltec. Long
lead-time items may require a longer delivery schedule.
Structural steel shall be set plumb, square and level in accordance with
Erection Drawings provided with shipment. Erection of structural steel
shall be in accordance with the latest AISC Specifications and Code of
Standard Practice. Unless otherwise specified on drawings, all
structural bolts shall be tightened to snug tight as specified in the
latest RCSC Specification for Structural Joints Using ASTM A325 or A490
fascia, and gutter systems, as well as other accessories shall be
assembled in accordance with Erection Drawings provided with shipment.
Steeltec shall not be responsible for wiring and sealing of canopy
lights and signage.