SECTION NUMBERS AND TITLES IN THIS SPECIFICATION UTILIZE MASTERFORMAT 2004. THIS SPECIFICATION GUIDE IS WRITTEN ACCORDING TO THE CONSTRUCTION SPECIFICATIONS INSTITUTE (CSI) THREE-PART SECTION FORMAT (1998) AND PAGEFORMAT (1992), AS CONTAINED IN THE CSI PROJECT RESOURCE MANUAL.
THIS SECTION MUST BE CAREFULLY REVIEWED AND EDITED BY THE ARCHITECT/ENGINEER TO MEET THE REQUIREMENTS OF THE PROJECT AND TO COORDINATE WITH OTHER SPECIFICATION SECTIONS AND THE DRAWINGS.
CONSULT COLD SPRING GRANITE COMPANY FOR ASSISTANCE IN EDITING THIS SPECIFICATION GUIDE FOR SPECIFIC APPLICATIONS.
NOTE ITEMS THROUGHOUT THE SPECIFICATION WHERE THE SPECIFICATION STATES “SHOWN ON DRAWINGS”. THE DRAWINGS NEED TO SHOW THESE ITEMS OR MODIFY THE TEXT.
NOTE ITEMS THROUGHOUT THE SPECIFICATION WHERE THE TEXT IS ENCLOSED IN SQUARE BRACKETS: [TEXT]. EDIT THE TEXT WHERE THIS OCCURS BY MAKING SELECTIONS AND DELETING TEXT NOT DESIRED.
THESE SPECIFICATIONS WERE CURRENT AT THE TIME OF PUBLICATION BUT ARE SUBJECT TO CHANGE. PLEASE CONFIRM THE ACCURACY OF THESE SPECIFICATIONS WITH THE MANUFACTURER PRIOR TO APPLICATION.
FOR MORE INFORMATION CONTACT:
COLD SPRING GRANITE
17482 GRANITE WEST RD. COLD SPRING, MN 56320
TOLL-FREE: 1-800-551-7502
PHONE: 320-685-3621
FAX: 320-685-8490
SECTION 044256
EXTERIOR GRANITE CLADDING
PART 1 - GENERAL
1.1 SUMMARY
A. Section includes:
DELETE APPLICATIONS NOT REQUIRED
1. Granite set with anchors.
2. Granite anchored on prefabricated steel truss supports.
3. Granite carving and graphic surfaces.
Section numbers and titles in this specification utilize masterformat 2004. This specification guide is written according to the Construction Specifications Institute (CSI) Three-Part Section Format (1998) and pageformat (1992), as contained in the CSI PROJECT RESOURCE MANUAL.
This section must be carefully reviewed and edited by the Architect/engineer to meet the requirements of the project and to coordinate with other specification sections and the Drawings.
Consult Cold Spring Granite Company for assistance in editing this specification guide for specific applications.
note items throughout the specification where the specification states “Shown on Drawings”. The drawings need to show these items or modify the text.
note items throughout the specification where the TEXT IS ENCLOSED IN SQUARE BRACKETS: [TEXT]. EDIT THE TEXT WHERE THIS OCCURS BY MAKING SELECTIONS and DELETING TEXT NOT DESIRED.
These specifications were current at the time of publication but are subject to change. Please confirm the accuracy of these specifications with the manufacturer prior to APPLICATION.
For More Information Contact:
Cold Spring Granite
17482 granite west rd.
Cold Spring, MN 56320
Toll-free: 1-800-551-7502
Phone: 320-685-3621
Fax: 320-685-8490
B. Related Sections:
EDIT LIST Of RELATED SECtIONS
1. Division03 Section "Cast-in-Place Concrete" for weld plates in concrete.
2. Division03 Section "Faced Architectural Precast Concrete" for application of stone to precast concrete.
3. Division04 Section "Exterior Limestone Cladding" for limestone cladding.
4. Division05 Section "Structural Steel" for structural steel.
5. Division07 Section "Joint Sealants" for sealing joints in stone cladding.
6. Division08 Section "Curtain Wall and Glazed Assemblies" for glazing stone panels in curtain wall.
7. Division09 Section "Interior Stone Facing" for stone applied on building interiors.
1.2 references
Delete references not required; add others if necessary
A. ASTM A 123-02: Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.
B. ASTM C 97-02: Test Methods for Absorption and Bulk Specific Gravity of Dimension Stone.
C. ASTM C 119-04: Terminology Relating to Dimension Stone
D. ASTM C 170-90 (1999): Test Method for Compressive Strength of Dimension Stone
E. ASTM C 207-04: Specification for Hydrated Lime for Masonry Purposes
F. ASTM C 270-03: Specification for Mortar for Unit Masonry
G. ASTM C 615-03: Specification for Granite Dimension Stone
H. ASTM C 880-98: Test Method for Flexural Strength of Dimensional Stone
if cladding is not required to be tested for air and water penetration delete respective reference standards
I. ASTM C 1201-91 (2003): Test Method for Structural Performance of Exterior Dimension Stone Cladding Systems by Uniform Static Air Pressure Difference
J. ASTM C 1242-03: Guide for the Selection, Design, and Installation of Exterior Dimension Stone Anchors and Anchoring Systems
K. ASTM C 1354-96: Test Method for Strength of Individual Stone Anchorages in Dimension Stone
L. ASTME329-03: Agencies Engaged in the Testing and/or Inspection of Materials Used in Construction.
M. ASTM F 593-02: Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs
N. ASTM F 594-02: Specification for Stainless Steel Nuts
O. National Building Granite Quarries Association (NBGQA) Specifications for Architectural Granite.
1.3 DEFINITIONS
A. Definitions contained in ASTMC119 apply to this Section.
Metric conversions: use the following for metric conversions
B. Metric Conversions: The following metric conversions shall apply where English measurements are indicated in the text:
1. 1/16 inch (1.5 mm)
2. 1/8 inch (3 mm)
3. 3/16 inch (5 mm)
4. 1/4 inch (6 mm)
5. 5/16 inch (8 mm)
6. 3/8 inch (10 mm)
7. 1/2 inch (12 mm)
8. 5/8 inch (15 mm)
9. 13/16 inch (20 mm)
10. 1 inch (25 mm)
11. 1-3/16 inches (30 mm)
12. 1-1/4 inches (32 mm)
13. 1-1/2 inches (40 mm)
14. 1-5/8 inches (40 mm)
15. 2 inches (50 mm)
16. 3 inches (75 mm)
17. 4 inches (100 mm)
18. 6 inches (150 mm)
19. 8 inches (200 mm)
20. 12 inches (300 mm)
1.4 SYSTEM DESCRIPTION
below IS AN EXAMPLE; EDIT FOR PROJECT REQUIREMENTS AND ADD IF MORE THAN ONE CLADDING SYSTEM.
A. Stone Cladding System: Exterior stone cladding panels anchored to backup structure with stone joints filled with mortar and sealants.
1. Backup structure: [Prefabricated steel trusses]
1.5 PERFORMANCE REQUIREMENTS
A. Design Requirements: Stone Anchors and Anchoring: ASTMC1242.
B. Structural Loading: Provide stone cladding capable of withstanding the effects of gravity loads and the following loads:
Insert loads below or delete if loads shown on Drawings.
1. Wind Loads: Uniform pressure of [Insert pressure], acting inward or outward.
2. Equipment Loads: [Allow for window cleaning and maintenance equipment loads].
C. Seismic Performance: ASCE7.
Edit below; delete if shown on Drawings or not required.
1. Seismic Design Criteria: [Insert seismic criteria]
D. Thermal Movements: Allow for thermal movements resulting from the following range in temperatures: 120 degF, ambient; 180 degF, material surfaces.
DELETE below if shown on Drawings or not required. verify with engineer.
E. Shrinkage and Creep: 1/8 inch in 10 feet.
F. Safety Factors: Loads indicated without exceeding allowable working stress of stone determined by dividing stone's average ultimate strength by the following factors:
1. Safety Factor: [3 for granite].
2. Safety Factor for Concentrated Stresses: [4 for granite].
3. Safety Factor for Anchors: [4 for granite].
delete steel backup structure if not included
G. Design stone anchors [and steel backup truss structure]: Loads indicated without exceeding allowable working stresses established by the following:
1. For Structural Steel: AISC's "Specification for Structural Steel Buildings - Allowable Stress Design and Plastic Design."
2. For Aluminum: AAADM-1, "The Aluminum Design Manual."
3. For Cast-in-Place and Post installed Fasteners in Concrete: One-fourth of tested capacity when installed in concrete with compressive strength indicated.
4. For Post-Installed Fasteners in Masonry: One-sixth of tested capacity when installed in masonry units indicated.
H. Limit of deflection: Not more than [1/720] of assembly's clear span or the following, whichever is smaller:
1. 1/16 inch, measured in plane of wall.
2. 1/4 inch, measured perpendicular to wall.
I. Fabrication and Erection Tolerances of Building Structure: Allow for fabrication and erection tolerance of structure as specified in Division03 Section "Cast-in-Place Concrete" and Division05 Section "Structural Steel."
J. Allowance for Deflection of Building Structure: Allow for the following:
1. Deflection due to Weight of Stone Cladding: Allow for 1/4-inch vertical deflection in 20-foot span of structural members supporting stone cladding.
2. Live Load Deflection: Allow for 1/4-inch vertical deflection, in 20-foot span of structural members supporting stone cladding, due to live loads imposed on building's structural frame after stone installation.
K. Corrosion and Staining Prevention: Isolate metals from direct contact with other materials.
1.6 SUBMITTALS
A. Product Data: For each stone type and each manufactured product shown on Drawings or specified.
1. For each stone variety used on Project, include physical property data.
B. Shop Drawings: Show fabrication and installation details for stone cladding:
1. Include dimensions and profiles of stone units.
2. Show locations and details of joints.
3. Show locations and details of anchors.
delete steel backup structure if not included
4. [Show location of steel backup truss structure].
5. Include elevations and details of graphics and carvings.
6. Include structural analysis data signed and sealed by the qualified professional engineer.
C. Samples: Submit samples for each stone type required, exhibiting the full range of color characteristics expected.
1. Submit a minimum of 2 each, 12 inches x 12 inches in size, in each color and finish specified.
2. In the case of more variegated stones, color photos shall be submitted in addition to the number of samples to show the full range of color and markings to be expected.
MORTAR OR SEALANT SETTING: IF ONLY ONE TYPE OF SETTING TO BE USED, MORTAR OR SEALANT, DELETE REFERENCE TO OTHER SETTING METHOD.
3. [Mortar Samples]: Full range of exposed color and texture.
4. [Sealant Samples]: For each type and color of joint sealant required.
D. Preliminary Test Reports: Submit test reports for proposed stones prior to final stone selection. Preliminary test reports shall be indicative of the stone to be proposed for the project.
1. Testing of production stone may be required in addition to preliminary test reports.
E. Certification: Submit a letter of certification from the stone fabricator, stating the material being furnished is the specified material and there are sufficient reserves available to supply the project and furnish replacements if needed.
F. Quality Assurance/Control Submittals:
1. Sealant Compatibility Test Report: Submit test report from sealant manufacturer, in accordance with Division07 Section "Joint Sealants" stating that sealants will not stain stone.
2. Submit welding certificates.
3. Material Test Reports: From a qualified independent testing agency, as follows:
a. Provide reports for each stone type.
b. For metal components.
4. Qualification Data: Submit qualification data as specified under Article, “Quality Assurance” for the following:
delete below any not required
a. [Installer]
b. [Fabricator]
c. [Professional engineer]
d. [Independent Testing agency].
G. Cold-Weather Procedures: Detailed description of methods, materials, and equipment.
1.7 QUALITY ASSURANCE
A. Single Source Responsibility for Stone Cladding System: Engage a qualified installer for stone cladding system to assume complete responsibility for design, fabrication, and installation of stone cladding system to comply with specified requirements.
1. Engineering Responsibility: [Comprehensive engineering analysis of exterior stone cladding by a qualified professional engineer].
B. Qualifications:
1. Installer Qualifications: Engage experienced installer that has completed stone installation similar in material, design, and extent to that indicated for the project.
2. Fabricator Qualifications: Engage experienced fabricator that has completed stone fabrication similar in material, design, and extent to that indicated for the project.
3. Professional Engineer Qualifications: Engage a professional engineer licensed to practice in the jurisdiction where the project is located and experienced in providing services for stone cladding systems similar in material, design, and extent to that indicated for the project.
4. Independent Testing Qualifications: ASTME329
delete below if complexity of project does not justify the inclusion of the following full scale test assembly
C. Preconstruction Prefabricated Stone Panel Testing: [Owner shall engage an Independent Testing Laboratory].
1. Tests shall be performed on full scale stone panel mockup with backup construction in accordance with ASTM C1201, “Structural Performance of Exterior Dimension Stone Cladding Systems by Uniform Static Air Pressure Difference” and tested as follows:
a. Air Infiltration: ASTM E283.
b. Water Penetration: ASTM E331.
delete below IF stone producers test reports and certifications are available
D. Preconstruction Stone Testing: Engage an independent testing agency to perform the following testing for each stone variety:
1. Furnish test specimens that are representative of materials.
2. Physical Property Tests: ASTM standards specified for stone type.
3. Flexural Strength Tests: ASTMC880
4. Anchorage Tests: ASTMC1354
E. Welding: Qualify procedures and personnel according to the following:
1. [AWSD1.1/D1.1M, "Structural Welding Code--Steel";]
2. [AWSD1.2/D1.2M, "Structural Welding Code--Aluminum";]
3. [AWSD1.3, "Structural Welding Code--Sheet Steel."]
determine, by project size and requirements, if mock-ups are necessary and if one or both are required.
F. Visual Mockup: [At the Owner’s Expense] Provide full sized mock-up of the approved stone or stones in the approved finishes, erected at a site agreed to by the Architect, Contractor, and the Fabricator. The approved mock-up shall become the standard for the project.
1. Build mockup of [typical exterior stone] [areas as shown on Drawings].
2. Size: [insert size of visual mockup]
3. Color consistency: demonstrate color consistency with mockup; color range shall not exceed range of color established by samples.
4. Included typical components and anchors.
5. Include sealant joints installed as required by Division07 Section "Joint Sealants."
6. Mockup may become part of the completed Work if approved at time of Substantial Completion.
delete above or below.
7. Demolish mockup and remove from site after completion of stone cladding work.
G. Pre-Installation Meeting: Convene a pre-installation meeting at the site at least one week prior to commencing work of this section. The purpose of the meeting shall be to review methods and sequence of all stone work, special details and conditions, standards of workmanship, testing and quality control requirements, and other topics related to the work of this section.
1.8 DELIVERY, STORAGE, AND HANDLING
A. Store and handle materials to prevent deterioration or damage.
1. Stone shall be carefully packed and loaded for shipment using reasonable care and customary precautions against damage in transit. Material, which may cause staining or discoloration shall not be used for blocking or packing.