UCCS - University Center 1st Floor Renovation

advertisement
UCCS - University Center 1st Floor Renovation
Project Number: 11-031
Addendum #1
102 E Moreno
Colorado Springs,
Colorado
80903-3918
March 11, 2011
Notice: This addendum applies to the Advertisement for Bids Package Dated 2March 2011.
Failure to acknowledge all addenda may cause rejection of the Bid submittal. Receipt of addenda
shall be acknowledged by statement in a transmittal letter accompanying the Bid submittal. All
other conditions and requirements of the Project Documents remain unchanged. The narrative
and drawings for this project are hereby modified / clarified as follows.
Supplemental Information for Bidders
Phone
719.473.7063
Fax
719.473.7092
www.hbaa.com
1. The Principal Representative has determined that the entire project shall be
substantially complete within 106 calendar days from the date of the Notice to
Proceed, and the project shall be finally complete, including the delivery of any
or all guarantees and warranties, the submittal of sales and use tax payment
forms, the completion of the final punch list and the calling for final inspection,
within 30 calendar days, if applicable, from the date of substantial completion.
In accordance with Article 46 of the General Conditions of the Contract, Time of
Completion and Liquidated Damages, failure to complete the work within the
agreed number of calendar days shall be considered breach of contract and
subject the bidder to liquidated damages to the extent specified in Article 54D of
the General Conditions of the Contract.
2. The right is reserved to waive informalities or irregularities and to reject any and
all Bids.
3. Bidders may procure Bidding Documents from: Centennial Reproduction Center,
717 North Weber, Colorado Springs, CO (phone 719-635-4453).
4. Each Bid shall be submitted on the required Bid Form and must be accompanied
by a Bid Bond on State Buildings Programs Bid Bond Form Sc-6.14 in an
amount not less than 5% of the total Bid. The Bid Bond may also be (1) a
cashier's check or (2) a certified check made payable to the Treasurer of the State
of Colorado in an amount not less than 5% of the total Bid. The Bid Bond is
submitted as a guaranty that the Bid will be maintained in full force and effect for
a period of thirty (30) days after the opening of the Bids for the project.
5. The Bidder promises, in submitting his Bid, that if issued a Notice of Award, he
will, within the prescribed time, execute the required Agreement, furnish the
required Performance Bond, Labor and Material Payment Bond, Insurance Policy
and Certificates of Insurance, or forfeit his Bid Guaranty as Liquidated Damages.
ARCHITECTURE
PLANNING
6. Preference shall be given to Colorado resident bidders and for Colorado labor, as
provided by law.
7. Contractor's Registration Requirement deleted as of 11/2/09.
INFORMATION
TECHNOLOGY
1
Specification
Section 01 01 00, 1.07, B, 1:
• Delete second reference to Contractor Employee Parking (paragraph #4). It
is contradictory to paragraph #1.
Section 01 58 00, 2.03, Part 2, A:
• Contractor to provide one (1) exterior temporary site sign, located near
proposed entry tower, in addition to the one (1) interior site sign.
Section 07 42 13:
• Refer to attached section 07 42 13 for Metal Soffit Panel specification.
Section 09 68 13, 2.2 & 2.3:
• Carpet substitutions are not allowed.
Drawings
Drawing Sheet AD-100:
• Note 14 tag (center of page) near Bookstore entrance. Note number should
read 16. There is not a window at this location.
•
Two (2) General Note “G1” tags at main entry doors. Delete “Floor to
Remain” from tag. New flooring will be provided in these areas.
Drawing Sheets A-102 through A-104:
• Add sentence to General Note #5 “Contractor to remove all electrical device
cover plates prior to painting walls.”
Drawing Sheet A-102:
• At two (2) locations of Gaming 107 (one each, north and east walls), provide
plywood backing in wall for new (Owner provided) wall mounted electronic
LCD display. Contractor to provide bracket for 42" screen; coordinate bracket
type/size with Owner.
Drawing Sheet A-105:
• All existing steel rail and mesh to be painted to match existing color.
Drawing Sheets A-105 & E-205 (note 5):
• Relocated irrigation control box to be placed on the outside of mechanical
enclosure (south wall). New control boxes to be mounted as low as possible
(near the ground), and be dark brown in color.
Drawing Sheets A-105, A-601 & S-100:
• All new exterior concrete slabs to be 6” in depth.
Drawing Sheet A-203:
• Contractor to provide new acoustical ceiling grid and tile in rooms 114 & 115.
2
Drawing Sheet A-600, Door Schedule and Door details:
• All new interior glazing to be ¼” tempered, clear, safety glazing.
Drawing Sheet A-601 and Specification section 01 03 00:
• Additive Alternate #1 will be for the placement of new (6” deep) concrete
sidewalk as indicated on drawings. Contractor to include allowance for
relocation of irrigation sprinkler heads/lines as necessary.
Drawing Sheets I-101 through I-105:
• Material tags “CRN” on the plan sheets reference “Corner Guards” on the
Finish Specifications (sheet I-105) where it is designated as “CG”. Both
designations are for the corner guards.
•
Carpet tiles CPT-1, CPT-2 and CPT-3 will be purchased by Owner directly
through the University of Colorado Purchasing Department, and delivered to a
Denver warehouse. Contractor to pick up carpet from the warehouse, deliver
to the project site and install.
Drawing Sheet I-102:
• Provide four (4) missing corner guards (CRN/CG-2) at inset of door 106C.
Drawing Sheet I-103:
• Provide two (2) missing corner guards (CRN/CG-2) at column outside of
restrooms.
•
Two Story space at Lobby 110 – Columns: PT-1, Full 2-story height,
terminating at bottom of Second Floor structural beam.
•
Beams: PT-1, First Floor structural beam, only
•
Main Entry Vestibule 111 – Existing columns (not shown on plan), finishes
are to remain as is.
Drawing Sheet E-202:
• Provide two (2) additional electrical outlets to north wall of Gaming 107. One
(1) duplex receptacle mounted at 48” AFF for LCD screen, and one (1) quad
receptacle at 18” AFF. Coordinate final locations with Architect and Owner.
Connect additional receptacles on north wall to existing branch circuit L2A22.
•
Provide three (3) additional electrical outlets to east wall of Gaming 107. One
(1) duplex receptacle mounted at 48” AFF for LCD screen, and two (2) quad
receptacles at 18” AFF. Coordinate final locations with Architect and Owner.
Connect additional receptacles on east wall to new 20 amp branch circuit
2E1-63
3
University of Colorado, Colorado Springs
ST
1 Floor Renovations
Colorado Springs, Colorado
SECTION 074213 - METAL SOFFIT PANELS
PART 1 - GENERAL
1.1
SUMMARY
A.
Section includes metal soffit panels.
B.
Related Sections:
1.
2.
1.2
Division 05 Section "Cold-Formed Metal Framing" for support framing, including girts,
studs, and bracing.
Division 07 Section "Sheet Metal Flashing and Trim" for flashing and other sheet metal
work that is not part of metal wall panel assemblies.
PERFORMANCE REQUIREMENTS
A.
General Performance:
Metal soffit panel assemblies shall comply with performance
requirements without failure due to defective manufacture, fabrication, installation, or other
defects in construction.
B.
Water Penetration under Static Pressure: No water penetration when tested according to
ASTM E 331 at the following test-pressure difference:
1.
C.
Thermal Movements: Allow for thermal movements from ambient and surface temperature
changes by preventing buckling, opening of joints, overstressing of components, failure of joint
sealants, failure of connections, and other detrimental effects. Base calculations on surface
temperatures of materials due to both solar heat gain and nighttime-sky heat loss.
1.
1.3
Test-Pressure Difference: 6.24 lbf/sq. ft. (300 Pa).
Temperature Change (Range): 120 deg F (67 deg C), ambient; 180 deg F (100 deg C),
material surfaces.
SUBMITTALS
A.
Product Data: For each type of product indicated. Include construction details, material
descriptions, dimensions of individual components and profiles, and finishes for each type of
soffit panel and accessory.
B.
Shop Drawings: Show fabrication and installation layouts of metal soffit panels; details of edge
conditions, joints, panel profiles, corners, anchorages, attachment system, trim, flashings,
closures, and accessories; and special details. Distinguish between factory-, shop- and fieldassembled work.
1.
Accessories: Include details of the following items, at a scale of not less than 1-1/2
inches per 12 inches (1:10):
a.
b.
C.
Flashing and trim.
Anchorage systems.
Samples for Initial Selection: For each type of metal soffit panel indicated with factory-applied
color finishes.
METAL SOFFIT PANELS
074213 - 1
University of Colorado, Colorado Springs
ST
1 Floor Renovations
Colorado Springs, Colorado
1.
2.
D.
Include similar Samples of trim and accessories involving color selection.
Include manufacturer's color charts consisting of strips of cured sealants showing the full
range of colors available for each sealant exposed to view.
Samples for Verification: For each type of exposed finish required, prepared on Samples of
size indicated below.
1.
2.
3.
Metal Soffit Panels: 12 inches (305 mm) long by actual panel width. Include fasteners,
closures, and other metal wall panel accessories.
Trim and Closures: 12 inches (305 mm) long. Include fasteners and other exposed
accessories.
Accessories: 12-inch- (305-mm-) long Samples for each type of accessory.
E.
Qualification Data: For Installer.
F.
Product Test Reports: Based on evaluation of comprehensive tests performed by a qualified
testing agency, for each product.
G.
Warranties: Sample of special warranties.
H.
Maintenance Data: For metal soffit panels to include in maintenance manuals.
1.4
QUALITY ASSURANCE
A.
Installer Qualifications: An employer of workers trained and approved by manufacturer.
B.
Source Limitations:
manufacturer.
C.
Fire-Resistance Ratings: Where indicated, provide metal soffit panels identical to those of
assemblies tested for fire resistance per ASTM E 119 by a qualified testing agency. Identify
products with appropriate markings of applicable testing agency.
1.
D.
1.5
Obtain each type of metal soffit panel from single source from single
Indicate design designations from UL's "Fire Resistance Directory" or from the listings of
another qualified testing agency.
Preinstallation Conference: Conduct conference at Project site.
DELIVERY, STORAGE, AND HANDLING
A.
Deliver components, sheets, metal soffit panels, and other manufactured items so as not to be
damaged or deformed. Package metal soffit panels for protection during transportation and
handling.
B.
Unload, store, and erect metal soffit panels in a manner to prevent bending, warping, twisting,
and surface damage.
C.
Stack metal soffit panels horizontally on platforms or pallets, covered with suitable weathertight
and ventilated covering. Store metal soffit panels to ensure dryness, with positive slope for
drainage of water. Do not store metal soffit panels in contact with other materials that might
cause staining, denting, or other surface damage.
D.
Retain strippable protective covering on metal soffit panel for period of metal soffit panel
installation.
METAL SOFFIT PANELS
074213 - 2
University of Colorado, Colorado Springs
ST
1 Floor Renovations
Colorado Springs, Colorado
1.6
PROJECT CONDITIONS
A.
Weather Limitations: Proceed with installation only when existing and forecasted weather
conditions permit assembly of metal soffit panels to be performed according to manufacturers'
written instructions and warranty requirements.
B.
Field Measurements: Verify locations of structural members and soffit opening dimensions by
field measurements before metal soffit panel fabrication, and indicate measurements on Shop
Drawings.
1.7
COORDINATION
A.
1.8
Coordinate metal soffit panel assemblies with rain drainage work, flashing, trim, and
construction of soffits, and other adjoining work to provide a leakproof, secure, and
noncorrosive installation.
WARRANTY
A.
Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or
replace components of metal soffit panel assemblies that fail in materials or workmanship within
specified warranty period.
1.
Failures include, but are not limited to, the following:
a.
b.
2.
Structural failures including rupturing, cracking, or puncturing.
Deterioration of metals and other materials beyond normal weathering.
Warranty Period: Two years from date of Substantial Completion.
PART 2 - PRODUCTS
2.1
PANEL MATERIALS
A.
Metallic-Coated Steel Sheet: Restricted flatness steel sheet metallic coated by the hot-dip
process and prepainted by the coil-coating process to comply with ASTM A 755/A 755M.
1.
2.
3.
4.
Zinc-Coated (Galvanized) Steel Sheet: ASTM A 653/A 653M, G90 (Z275) coating
designation; structural quality.
Aluminum-Zinc Alloy-Coated Steel Sheet: ASTM A 792/A 792M, Class AZ50 coating
designation, Grade 40 (Class AZM150 coating designation, Grade 275); structural
quality.
Surface: Smooth, flat finish, unless otherwise indicated.
Exposed Coil-Coated Finish: Provide one of the following:
a.
b.
2-Coat Fluoropolymer: AAMA 621. Fluoropolymer finish containing not less than
70 percent PVDF resin by weight in color coat. Prepare, pretreat, and apply
coating to exposed metal surfaces to comply with coating and resin manufacturers'
written instructions.
3-Coat Fluoropolymer: AAMA 621. Fluoropolymer finish containing not less than
70 percent PVDF resin by weight in both color coat and clear topcoat. Prepare,
pretreat, and apply coating to exposed metal surfaces to comply with coating and
resin manufacturers' written instructions.
METAL SOFFIT PANELS
074213 - 3
University of Colorado, Colorado Springs
ST
1 Floor Renovations
Colorado Springs, Colorado
c.
d.
e.
f.
5.
2.2
4-Coat Fluoropolymer: AAMA 621. Fluoropolymer finish containing not less than
70 percent PVDF resin by weight in color coat and clear coats. Prepare, pretreat,
and apply coating to exposed metal surfaces to comply with coating and resin
manufacturers' written instructions.
Mica Fluoropolymer: AAMA 621. 2-coat fluoropolymer finish with suspended mica
flakes containing not less than 70 percent PVDF resin by weight in color coat.
Prepare, pretreat, and apply coating to exposed metal surfaces to comply with
coating and resin manufacturers' written instructions.
Metallic Fluoropolymer: AAMA 621. 3-coat fluoropolymer finish with suspended
metallic flakes containing not less than 70 percent PVDF resin by weight in both
color coat and clear topcoat. Prepare, pretreat, and apply coating to exposed
metal surfaces to comply with coating and resin manufacturers' written instructions.
FEVE Fluoropolymer: AAMA 621. 2-coat fluoropolymer finish containing 100
percent fluorinated ethylene vinyl ether resin in color coat. Prepare, pretreat, and
apply coating to exposed metal surfaces to comply with coating and resin
manufacturers' written instructions.
Concealed Finish: Apply pretreatment and manufacturer's standard white or light-colored
acrylic or polyester backer finish consisting of prime coat and wash coat with a minimum
total dry film thickness of 0.5 mil (0.013 mm).
MISCELLANEOUS METAL FRAMING
A.
General: Comply with ASTM C 754 for conditions indicated.
1.
B.
Hat-Shaped, Rigid Furring Channels: ASTM C 645.
1.
2.
C.
3.
2.3
Minimum Base Metal Thickness: 0.0312 inch (0.79 mm).
Depth: As indicated.
Cold-Rolled Furring Channels: 0.0538-inch (1.37-mm) bare steel thickness, with minimum 1/2inch- (13-mm-) wide flange.
1.
2.
D.
Steel Sheet Components: Complying with ASTM C 645 requirements for metal and with
ASTM A 653/A 653M, G40 (Z120), hot-dip galvanized.
Depth: As indicated.
Furring Brackets: Adjustable, corrugated-edge type of steel sheet with minimum bare
steel thickness of 0.0312 inch (0.79 mm).
Tie Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft temper, 0.0625-inch- (1.59mm-) diameter wire, or double strand of 0.0475-inch- (1.21-mm-) diameter wire.
Z-Shaped Furring: With slotted or nonslotted web, face flange of 1-1/4 inches (32 mm), soffit
attachment flange of 7/8 inch (22 mm), minimum bare metal thickness of 0.0179 inch (0.45
mm), and depth required to fit insulation thickness indicated.
MISCELLANEOUS MATERIALS
A.
Fasteners: Self-tapping screws, bolts, nuts, self-locking rivets and bolts, end-welded studs, and
other suitable fasteners designed to withstand design loads. Provide exposed fasteners with
heads matching color of metal roof panels by means of plastic caps or factory-applied coating.
1.
Fasteners for Roof Panels: Self-drilling or self-tapping, zinc-plated, hex-head carbonsteel screws, with a stainless-steel cap or zinc-aluminum-alloy head and EPDM or
neoprene sealing washer.
METAL SOFFIT PANELS
074213 - 4
University of Colorado, Colorado Springs
ST
1 Floor Renovations
Colorado Springs, Colorado
a.
b.
2.
3.
Exposed Screw: Manufacturer’s recommended stainless steel screws with bonded
neoprene and stainless steel wasters, coated to match panel.
Concealed Screws: Manufacturer’s recommended corrosion resistant carbon steel
with corrosion resistant coating.
Fasteners for Flashing and Trim: Blind fasteners or self-drilling screws with hex washer
head.
Blind Fasteners: High-strength aluminum or stainless-steel rivets.
B.
Bituminous Coating: Cold-applied asphalt mastic, SSPC-Paint 12, compounded for 15-mil (0.4mm) dry film thickness per coat. Provide inert-type noncorrosive compound free of asbestos
fibers, sulfur components, and other deleterious impurities.
C.
Cover Board: ASTM C 208, Type II, Grade 2, cellulosic-fiber insulation board, 1/2 inch (13 mm)
thick.
2.4
METAL SOFFIT PANELS
A.
General: Provide factory-formed metal soffit panels designed to be installed by lapping and
interconnecting side edges of adjacent panels and mechanically attaching through panel to
supports using concealed fasteners in side laps. Include accessories required for weathertight
installation.
B.
Metal Soffit Panels:
1.
C.
Finish: As selected by Architect from manufacturer’s full range.
Flush-Profile Metal Soffit Panels: Panels formed with vertical panel edges between panel
edges; with flush joint between panels.
1.
Manufacturers: Subject to compliance with requirements, available manufacturers
offering products that may be incorporated into the Work include, but are not limited to,
the following:
a.
b.
c.
d.
e.
2.
Material: Zinc-coated (galvanized) steel sheet, minimum 0.022-inch (0.56-mm) nominal
thickness.
a.
b.
3.
Exterior Finish: As selected by Architect from manufacturer’s full range.
Color: As selected by Architect from manufacturer’s full range.
Material: Aluminum-zinc alloy-coated steel sheet, minimum 0.022-inch (0.56-mm)
nominal thickness.
a.
b.
4.
5.
AEP-Span.
Berridge Manufacturing Company.
CENTRIA Architectural Systems.
McElroy Metal, Inc.
Petersen Aluminum Corporation.
Exterior Finish: As selected by Architect from manufacturer’s full range.
Color: As selected by Architect from manufacturer’s full range.
Panel Coverage: As indicated on Drawings.
Panel Height: As indicated on Drawings.
METAL SOFFIT PANELS
074213 - 5
University of Colorado, Colorado Springs
ST
1 Floor Renovations
Colorado Springs, Colorado
2.5
ACCESSORIES
A.
Wall Panel Accessories: Provide components required for a complete metal soffit panel
assembly including trim, copings, fasciae, mullions, sills, corner units, clips, flashings, sealants,
gaskets, fillers, closure strips, and similar items. Match material and finish of metal soffit
panels, unless otherwise indicated.
1.
2.
3.
B.
2.6
Closures: Provide closures at eaves and rakes, fabricated of same metal as metal soffit
panels.
Backing Plates: Provide metal backing plates at panel end splices, fabricated from
material recommended by manufacturer.
Closure Strips: Closed-cell, expanded, cellular, rubber or crosslinked, polyolefin-foam or
closed-cell laminated polyethylene; minimum 1-inch- (25-mm-) thick, flexible closure
strips; cut or premolded to match metal soffit panel profile. Provide closure strips where
indicated or necessary to ensure weathertight construction.
Flashing and Trim: Formed from 0.018-inch (0.46-mm) minimum thickness, zinc-coated
(galvanized) steel sheet or aluminum-zinc alloy-coated steel sheet prepainted with coil coating.
Provide flashing and trim as required to seal against weather and to provide finished
appearance. Locations include, but are not limited to, bases, drips, sills, jambs, corners,
endwalls, framed openings, rakes, fasciae, parapet caps, soffits, reveals, and fillers. Finish
flashing and trim with same finish system as adjacent metal soffit panels.
FABRICATION
A.
General: Fabricate and finish metal soffit panels and accessories at the factory to greatest
extent possible, by manufacturer's standard procedures and processes, as necessary to fulfill
indicated performance requirements demonstrated by laboratory testing. Comply with indicated
profiles and with dimensional and structural requirements.
B.
Fabricate metal soffit panels in a manner that eliminates condensation on interior side of panel
and with joints between panels designed to form weathertight seals.
C.
Provide panel profile, including major ribs and intermediate stiffening ribs, if any, for full length
of panel.
D.
Fabricate metal soffit panel joints with factory-installed captive gaskets or separator strips that
provide a tight seal and prevent metal-to-metal contact, and that will minimize noise from
movements within panel assembly.
E.
Sheet Metal Accessories: Fabricate flashing and trim to comply with recommendations in
SMACNA's "Architectural Sheet Metal Manual" that apply to the design, dimensions, metal, and
other characteristics of item indicated.
1.
2.
3.
4.
5.
Form exposed sheet metal accessories that are without excessive oil canning, buckling,
and tool marks and that are true to line and levels indicated, with exposed edges folded
back to form hems.
Seams for Aluminum: Fabricate nonmoving seams with flat-lock seams. Form seams
and seal with epoxy seam sealer. Rivet joints for additional strength.
Seams for Other Than Aluminum: Fabricate nonmoving seams in accessories with flatlock seams. Tin edges to be seamed, form seams, and solder.
Sealed Joints: Form nonexpansion but movable joints in metal to accommodate
elastomeric sealant to comply with SMACNA standards.
Conceal fasteners and expansion provisions where possible. Exposed fasteners are not
allowed on faces of accessories exposed to view.
METAL SOFFIT PANELS
074213 - 6
University of Colorado, Colorado Springs
ST
1 Floor Renovations
Colorado Springs, Colorado
6.
Fabricate cleats and attachment devices from same material as accessory being
anchored or from compatible, noncorrosive metal recommended by metal soffit panel
manufacturer.
a.
2.7
Size: As recommended by SMACNA's "Architectural Sheet Metal Manual" or
metal soffit panel manufacturer for application but not less than thickness of metal
being secured.
GENERAL FINISH REQUIREMENTS
A.
Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for
recommendations for applying and designating finishes.
B.
Protect mechanical and painted finishes on exposed surfaces from damage by applying a
strippable, temporary protective covering before shipping.
C.
Appearance of Finished Work: Variations in appearance of abutting or adjacent pieces are
acceptable if they are within one-half of the range of approved Samples. Noticeable variations
in the same piece are not acceptable. Variations in appearance of other components are
acceptable if they are within the range of approved Samples and are assembled or installed to
minimize contrast.
PART 3 - EXECUTION
3.1
EXAMINATION
A.
Examine substrates, areas, and conditions, with Installer present, for compliance with
requirements for installation tolerances, metal soffit panel supports, and other conditions
affecting performance of work.
B.
Examine roughing-in for components and systems penetrating metal soffit panels to verify
actual locations of penetrations relative to seam locations of metal soffit panels before metal
soffit panel installation.
C.
Proceed with installation only after unsatisfactory conditions have been corrected.
3.2
PREPARATION
A.
Miscellaneous Framing: Install subgirts, base angles, sills, furring, and other miscellaneous
soffit panel support members and anchorages according to ASTM C 754 and metal soffit panel
manufacturer's written recommendations.
1.
3.3
Soffit Framing: Wire-tie or clip furring channels to supports, as required to comply with
requirements for assemblies indicated.
METAL SOFFIT PANEL INSTALLATION
A.
In addition to complying with requirements of "Metal Wall Panel Installation, General" Article,
install metal soffit panels to comply with the requirements of this article.
B.
Metal Soffit Panels: Provide metal soffit panels full width of soffits. Install panels perpendicular
to support framing.
METAL SOFFIT PANELS
074213 - 7
University of Colorado, Colorado Springs
ST
1 Floor Renovations
Colorado Springs, Colorado
1.
3.4
Flash and seal panels with weather closures where metal soffit panels meet walls and at
perimeter of all openings.
ACCESSORY INSTALLATION
A.
General: Install accessories with positive anchorage to building and weathertight mounting, and
provide for thermal expansion. Coordinate installation with flashings and other components.
1.
B.
Flashing and Trim: Comply with performance requirements, manufacturer's written installation
instructions, and SMACNA's "Architectural Sheet Metal Manual." Provide concealed fasteners
where possible, and set units true to line and level as indicated. Install work with laps, joints,
and seams that will be permanently watertight and weather resistant.
1.
2.
3.5
Install components required for a complete metal soffit panel assembly including trim,
copings, corners, seam covers, flashings, sealants, gaskets, fillers, closure strips, and
similar items.
Install exposed flashing and trim that is without excessive oil canning, buckling, and tool
marks and that is true to line and levels indicated, with exposed edges folded back to
form hems. Install sheet metal flashing and trim to fit substrates and to result in
waterproof and weather-resistant performance.
Expansion Provisions: Provide for thermal expansion of exposed flashing and trim.
Space movement joints at a maximum of 10 feet (3 m) with no joints allowed within 24
inches (605 mm) of corner or intersection. Where lapped expansion provisions cannot be
used or would not be sufficiently weather resistant and waterproof, form expansion joints
of intermeshing hooked flanges, not less than 1 inch (25 mm) deep, filled with mastic
sealant (concealed within joints).
CLEANING AND PROTECTION
A.
Remove temporary protective coverings and strippable films, if any, as metal soffit panels are
installed, unless otherwise indicated in manufacturer's written installation instructions. On
completion of metal soffit panel installation, clean finished surfaces as recommended by metal
soffit panel manufacturer. Maintain in a clean condition during construction.
B.
After metal soffit panel installation, clear weep holes and drainage channels of obstructions, dirt,
and sealant.
C.
Replace metal soffit panels that have been damaged or have deteriorated beyond successful
repair by finish touchup or similar minor repair procedures.
END OF SECTION 074213
METAL SOFFIT PANELS
074213 - 8
Download