HomeMy WebLinkAbout10-1419-Dimensional-Letter-Signage_Rev_1Dennis Yarmouth Intermediate Middle School January 19, 2021
Dennis Yarmouth Regional School District 100% Construction Documents
Perkins Eastman DPC, project #71011
DIMENSIONAL LETTER SIGNAGE
10 1419 - 1
SECTION 10 1419
DIMENSIONAL LETTER SIGNAGE
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Section includes interior and exterior fabricated channel dimensional characters.
B. Related Requirements:
1. Section 01 8113 “Sustainable Design Requirements” for general requirements and
procedures for compliance with certain USGBC LEED prerequisites and credits.
2. Section 10 1423 "Panel Signage."
3. Section 10 1453 "Traffic Signage" for freestanding signs.
1.3 ACTION SUBMITTALS
A. Make Submittals in accordance with Section 01 3300 “Submittal Procedures.”
B. Product Data: For each type of product.
C. Sustainable Design Submittals:
1. Adhesives And Sealants: Provide manufacturers' or third-party certification of testing to
and compliance with the California Department of Public Health (CDPH) Standard
method v1.2-2017, that includes the following information:
a. The exposure scenario used to determine compliance.
b. The range of total VOCs after 14 days, measured as specified in the CDPH
Standard Method v1.2:
1) 0.5 mg/m^3 or less;
2) Between 0.5 and 5.0 mg/m^3; or
3) 5.0 mg/m^3 or more.
c. Laboratory accreditation under ISO/IEC 17025.
d. Claims of compliance for wet-applied products must state the amount applied in
mass per surface area.
e. Provide MSDS or other manufacturer documentation with disclosure of VOC
content for all wet-applied products.
f. Complete "LEED Materials Documentation Sheet" with IEQc2 information for
adhesives/sealants installed within the waterproofing membrane.
D. Shop Drawings: For signs.
1. Include fabrication and installation details and attachments to other work.
2. Show sign mounting heights, locations of supplementary supports to be provided by other
installers, and accessories.
Dennis Yarmouth Intermediate Middle School January 19, 2021
Dennis Yarmouth Regional School District 100% Construction Documents
Perkins Eastman DPC, project #71011
DIMENSIONAL LETTER SIGNAGE
10 1419 - 2
3. Show message list, typestyles, graphic elements, and layout for each sign at least half
size.
E. Samples for Verification: For each type of sign assembly showing all components and with the
required finish(es), in manufacturer's standard size unless otherwise indicated and as follows:
1. Dimensional Characters: Full-size Sample of dimensional character.
2. Exposed Accessories: Full-size Sample of each accessory type.
F. Sign Schedule: Use same designations specified or indicated on Drawings.
G. Delegated-Design Submittal: For signs indicated in "Performance Requirements" Article.
1. Include structural analysis calculations for signs indicated to comply with design loads;
signed and sealed by the qualified professional engineer responsible for their
preparation.
1.4 INFORMATIONAL SUBMITTALS
A. Qualification Data: For Installer and manufacturer.
B. Mill Certificates: Signed by manufacturers of stainless steel products, certifying that products
furnished comply with requirements.
C. Sample Warranty: For special warranty.
1.5 CLOSEOUT SUBMITTALS
A. Maintenance Data: For signs to include in maintenance manuals.
1.6 QUALITY ASSURANCE
A. Installer Qualifications: Manufacturer of products or an entity that employs installers and
supervisors who are trained and approved by manufacturer.
1.7 FIELD CONDITIONS
A. Field Measurements: Verify locations of electrical service embedded in permanent construction
by other installers by field measurements before fabrication, and indicate measurements on
Shop Drawings.
1.8 WARRANTY
A. Special Warranty: Manufacturer agrees to repair or replace components of signs that fail in
materials or workmanship within specified warranty period.
1. Failures include, but are not limited to, the following:
a. Deterioration of finishes beyond normal weathering.
b. Separation or delamination of sheet materials and components.
2. Warranty Period: Five years from date of Substantial Completion.
Dennis Yarmouth Intermediate Middle School January 19, 2021
Dennis Yarmouth Regional School District 100% Construction Documents
Perkins Eastman DPC, project #71011
DIMENSIONAL LETTER SIGNAGE
10 1419 - 3
PART 2 - PRODUCTS
2.1 LEED REQUIREMENTS
A. Adhesives And Sealants: For field applications that are inside the weatherproofing membrane:
Adhesives/sealants must be tested and determined compliant in accordance with California
Department of Public Health (CDPH) Standard Method v1.2-2017, using the applicable
exposure scenario. The default scenario is the private office scenario.
1. All adhesives/sealants wet-applied on site must meet the applicable chemical content
requirements of SCAQMD Rule 1168, October 6, 2017, Adhesive and Sealant
Applications, as analyzed by the methods specified in Rule 1168. The provisions of
SCAQMD Rule 1168 do not apply to adhesives and sealants subject to state or federal
consumer product VOC regulations.
2.2 PERFORMANCE REQUIREMENTS
A. Delegated Design: Engage a qualified professional engineer, as defined in Section 01 4000
"Quality Requirements," to design sign structure and anchorage of dimensional character sign
types according to structural performance requirements.
B. Structural Performance: Signs and supporting elements shall withstand the effects of gravity
and other loads within limits and under conditions indicated.
1. Uniform Wind Load: As indicated on Drawings.
2. Concentrated Horizontal Load: As indicated on Drawings.
3. Other Design Load: As indicated on Drawings.
4. Uniform and concentrated loads need not be assumed to act concurrently.
C. Thermal Movements: For exterior fabricated channel dimensional characters, allow for thermal
movements from ambient and surface temperature changes.
1. Temperature Change: 120 deg F, ambient; 180 deg F, material surfaces.
2.3 DIMENSIONAL CHARACTERS
A. Fabricated Channel Characters: Metal face and side returns, formed free from warp and
distortion; with uniform faces, sharp corners, and precisely formed lines and profiles; internally
braced for stability and for securing fasteners; and as follows.
1. Manufacturers: Subject to compliance with requirements, manufacturers offering
products that may be incorporated into the Work include, but are not limited to the
following or equal:
a. ASI Sign Systems, Inc.
b. Gemini Incorporated.
c. Metallic Arts.
d. Nelson-Harkins Industries.
2. Character Material:
a. Interior Channel Characters: Sheet or plate aluminum.
b. Exterior Channel Characters: Sheet or plate stainless steel.
3. Material Thickness: Manufacturer's standard for size and design of character.
4. Character Height: As indicated.
5. Character Depth: As indicated.
6. Finishes:
a. Integral Aluminum Finish: Clear anodized.
b. Integral Stainless-Steel Finish: No. 4.
Dennis Yarmouth Intermediate Middle School January 19, 2021
Dennis Yarmouth Regional School District 100% Construction Documents
Perkins Eastman DPC, project #71011
DIMENSIONAL LETTER SIGNAGE
10 1419 - 4
7. Mounting:
a. Interior Channel Characters: Projecting studs.
1) Hold characters at distance as selected by Architect from wall surface.
b. Exterior Channel Characters: Concealed, stainless-steel back bar or bracket
assembly.
1) Hold characters at distance as selected by Architect from wall surface.
8. Typeface: As selected by Architect from manufacturer’s full range.
2.4 DIMENSIONAL CHARACTER MATERIALS
A. Aluminum Sheet and Plate: ASTM B209, alloy and temper recommended by aluminum
producer and finisher for type of use and finish indicated.
B. Aluminum Extrusions: ASTM B221, alloy and temper recommended by aluminum producer and
finisher for type of use and finish indicated.
C. Stainless-Steel Sheet: ASTM A240/A240M or ASTM A666, Type 316, stretcher-leveled
standard of flatness.
2.5 ACCESSORIES
A. Fasteners and Anchors: Manufacturer's standard as required for secure anchorage of signage,
noncorrosive and compatible with each material joined, and complying with the following:
1. For exterior exposure, furnish stainless-steel devices unless otherwise indicated.
2. Sign Mounting Fasteners:
a. Projecting Studs: Threaded studs with sleeve spacer, welded or brazed to back of
sign material, screwed into back of sign assembly, or screwed into tapped lugs
cast integrally into back of cast sign material, unless otherwise indicated.
2.6 FABRICATION
A. General: Provide manufacturer's standard sign assemblies according to requirements
indicated.
1. Preassemble signs and assemblies in the shop to greatest extent possible. Disassemble
signs and assemblies only as necessary for shipping and handling limitations. Clearly
mark units for reassembly and installation; apply markings in locations concealed from
view after final assembly.
2. Mill joints to a tight, hairline fit. Form assemblies and joints exposed to weather to resist
water penetration and retention.
3. Comply with AWS for recommended practices in welding. Provide welds behind finished
surfaces without distorting or discoloring exposed side. Clean exposed welded
connections of flux, and dress exposed and contact surfaces.
4. Conceal connections.
5. Internally brace signs for stability and for securing fasteners.
6. Provide rebates, lugs, and brackets necessary to assemble components and to attach to
existing work. Drill and tap for required fasteners. Use concealed fasteners.
B. Brackets: Fabricate brackets, fittings, and hardware for bracket-mounted signs to suit sign
construction and mounting conditions indicated. Modify manufacturer's standard brackets as
required.
Dennis Yarmouth Intermediate Middle School January 19, 2021
Dennis Yarmouth Regional School District 100% Construction Documents
Perkins Eastman DPC, project #71011
DIMENSIONAL LETTER SIGNAGE
10 1419 - 5
1. Stainless-Steel Brackets: Factory finish brackets to match sign background finish unless
otherwise indicated.
2.7 GENERAL FINISH REQUIREMENTS
A. Protect mechanical finishes on exposed surfaces from damage by applying a strippable,
temporary protective covering before shipping.
B. Appearance of Finished Work: Noticeable variations in same piece are not acceptable.
Variations in appearance of adjoining components are acceptable if they are within the range of
approved Samples and are assembled or installed to minimize contrast.
C. Directional Finishes: Run grain with long dimension of each piece and perpendicular to long
dimension of finished trim or border surface unless otherwise indicated.
2.8 ALUMINUM FINISHES
A. Clear Anodic Finish: AAMA 611, Class I, 0.018 mm or thicker.
2.9 STAINLESS-STEEL FINISHES
A. Surface Preparation: Remove tool and die marks and stretch lines, or blend into finish.
B. Polished Finishes: Grind and polish surfaces to produce uniform finish, free of cross scratches.
1. When polishing is completed, passivate and rinse surfaces. Remove embedded foreign
matter and leave surfaces chemically clean.
2. Directional Satin Finish: No. 4.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine substrates, areas, and conditions, with Installer present, for compliance with
requirements for installation tolerances and other conditions affecting performance.
B. Verify that sign-support surfaces are within tolerances to accommodate signs without gaps or
irregularities between backs of signs and support surfaces unless otherwise indicated.
C. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 INSTALLATION
A. Install signs using mounting methods indicated and according to manufacturer's written
instructions.
1. Install signs level, plumb, true to line, and at locations and heights indicated, with sign
surfaces free of distortion and other defects in appearance.
2. Before installation, verify that sign surfaces are clean and free of materials or debris that
would impair installation.
Dennis Yarmouth Intermediate Middle School January 19, 2021
Dennis Yarmouth Regional School District 100% Construction Documents
Perkins Eastman DPC, project #71011
DIMENSIONAL LETTER SIGNAGE
10 1419 - 6
B. Mounting Methods:
1. Projecting Studs: Using a template, drill holes in substrate aligning with studs on back of
sign. Remove loose debris from hole and substrate surface.
a. Masonry Substrates: Fill holes with adhesive. Leave recess space in hole for
displaced adhesive. Place spacers on studs, place sign in position, and push until
spacers are pinched between sign and substrate, embedding the stud ends in
holes. Temporarily support sign in position until adhesive fully sets.
b. Thin or Hollow Surfaces: Place spacers on studs, place sign in position with
spacers pinched between sign and substrate, and install washers and nuts on stud
ends projecting through opposite side of surface, and tighten.
2. Back Bar and Brackets: Remove loose debris from substrate surface and install backbar
or bracket supports in position, so that signage is correctly located and aligned.
3.3 ADJUSTING AND CLEANING
A. Remove and replace damaged or deformed characters and signs that do not comply with
specified requirements. Replace characters with damaged or deteriorated finishes or
components that cannot be successfully repaired by finish touchup or similar minor repair
procedures.
B. Remove temporary protective coverings and strippable films as signs are installed.
C. On completion of installation, clean exposed surfaces of signs according to manufacturer's
written instructions, and touch up minor nicks and abrasions in finish. Maintain signs in a clean
condition during construction and protect from damage until acceptance by Owner.
END OF SECTION