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This specification guide is written according to the Construction Specifications Institute (CSI) Three-Part Section Format, as contained in the CSI Manual of Practice.
This section must be carefully reviewed and edited by the Architect 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.
For More Information Contact
Cold Spring Granite
202 South Third Avenue
Cold Spring, MN 56320
Toll-free: 1-800-551-7502
Phone: 320-685-3621
Fax: 320-685-8490
Part 1General 1.01 SECTION INCLUDES 1.02 RELATED SECTIONS 1.03 ALLOWANCES 1.04 UNIT PRICES 1.05 ALTERNATES 1.06 REFERENCES 1.07 SYSTEM DESCRIPTION Performance Requirements 1.08 SUBMITTALS Shop Drawings Samples Test Reports Certification 1.09 QUALITY ASSURANCE Single Source Qualifications Mock Ups Pre-Installation Meeting 1.10 DELIVERY, STORAGE AND HANDLING 1.11 WARRANTY 1.12 MAINTENANCE PART 2 PRODUCTS 2.01 MANUFACTURER 2.02 MATERIALS GENERAL SCHEDULE 2.03 ACCESSORIES ANCHORS SETTING BUTTONS STEEL PLATES STEEL TUBING REINFORCING WIRE MESH FOR PAVING PLASTIC TUBING FOR WEEPS 2.04 MORTARS AND GROUTS GENERAL MIXES 2.05 FABRICATION GENERAL TOLERANCES JOINTS ANCHOR PROVISION ARRISES PREASSEMBLED PANELS 2.06 QUALITY CONTROL GENERAL TESTS TYPES OF TESTS ANCHOR TESTS PRODUCTION TESTS PART 3 EXECUTION 3.01 EXAMINATION SURFACE CONDITIONS 3.02 PREPARATION 3.03 INSTALLATION QUALITY TOLERANCES CONTIGUOUS WORK 3.04 FIELD QUALITY CONTROL 3.05 ADJUSTING 3.06 CLEANING 3.07 PROTECTION
[top]Specifier should edit to comply with requirements of the project. A. Quarrying, fabrication, and installation of granite. B. Finishing, assembling, and attaching granite to the steel framing system.
[top]Specifier should edit list to include other sections dealing with work directly related to this section. A. Section 02500 - Paving and Surfacing B. Section 02800 - Site Improvements C. Section 02900 - Landscaping D. Section 04100 - Mortar E. Section 05120 - Structural Steel Framing F. Section 05500 - Metal Fabrications G. Section 07100 - Waterproofing H. Section 07200 - Insulation I. Section 07600 - Flashing and Sheet Metal J. Section 09300 - Tile K. Section 09600 - Stone Flooring
[top]sd Specifier should edit for applicable allowances in accordance with Section 01020 - Allowances
[top]Unit prices for listed items shall be used if, once a contract has been awarded, additions or deductions from the base contract price are required due to changes in the project requirements. The unit price shall reflect the cost for a basic unit without special cutting, shaping or other adornments. Unit price additions to the base contract shall be made at full value. Unit price deductions from the base contract shall be made at full value minus 15%. All prices shall include labor and material necessary to complete the work including shipment to the job site. Specifier shall show unit of measure for unit pricing, such as square foot, cubic foot, lump sum, etc. Specifier should edit for applicable unit prices in accordance with Section 01025 - Measurement and payment
[top]Specifier should edit for applicable alternate in accordance with Section 01030 - Alternates
[top]Specifier should edit list to include only standards referenced in the section. A. ASTM A36 - Structural Steel. B. ASTM A82 - Steel Wire, Plain, for Concrete Reinforcement. C. ASTM A167 - Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip. D. ASTM A185 - Steel Welded Wire, Fabric, Plain, for Concrete Reinforcement. E. ASTM A500 - Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes. F. ASTM C97 - Absorption and Bulk Specific Gravity of Dimension Stone. G. ASTM C99 - Modulus of Rupture of Dimension Stone. H. ASTM C170 - Compressive Strength of Dimension Stone. I. ASTM C241 - Abrasion Resistance of Stone Subjected to Foot Traffic. J. ASTM C270 - Mortar for Unit Masonry. K. ASTM C615 - Standard Specification for Granite Dimension Stone. L. ASTM C880 - Flexural Strength of Dimension Stone M. ASTM C1028 - Static Coefficient of Friction of Ceramic Tile and Other Like Surfaces by the Horizontal Dynamometer Pull-Meter Method. N. ASTM C295 - Standard Practice for Petrographic Examination of Aggregates for Concrete. O. ASTM C1201 - Structural Performance of Exterior Dimension Stone Cladding Systems by Uniform Static Air Pressure Difference. P. ASTM C1242 - Standard Guide for Design, Selection, and Installation of Exterior Dimension Stone Anchors and Anchoring Systems. Q. ASTM E283 - Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors. R. ASTM E331 - Water Penetration of Exterior Windows, Curtain Walls, and Doors by Uniform Static Air Pressure Difference. S. ASTM E699 - Criteria for Evaluation of Agencies Involved in Testing, Quality Assurance, and Evaluating Building Components in Accordance with Test Methods Promulgated by ASTM Committee E-6. T. National Building Granite Quarries Association (NBGQA) Specifications for Architectural Granite.
[top]A. PERFORMANCE REQUIREMENTS: 1. Design, fabricate, and install dimension stonework to withstand loads from wind, gravity, movement of building structure, thermally induced movement and to resist deterioration under conditions of normal use including exposure to weather, without failure. 2. Provide dimension stonework that is designed, fabricated, and installed based on the following safety factors applied to the stone's average ultimate strength, as established by test, to determine allowable working stresses. 3. Safety factor for granite is 3 for uniform and concentrated loads and 4 for anchorage components. Specifier should select and edit the following depending on system requirements. 4. Provide hand set or field installed anchoring system, including connections to the building structure capable of sustaining forces generated by gravity loads, wind loads, and stresses included by thermal movement, acting separately or in combination, without exceeding allowable working stresses of stone, determined by dividing the stone's average ultimate strength, as established by test, by the stone's safety factor. 5. Provide stone cladding system in the form of either a prefabricated panel system or hand set stone over mechanical grid system, complying with the following requirements: Specifier should provide compliance parameters for following, editing where needed. a. Structural Performance: b. Wind Loads: c. Thermal Movement/Temperature Range: d. Horizontal Building Movement: e. Deflection Limitations:
[top]A. Comply with requirements of Section 01300 - Submittals. B. SHOP DRAWINGS: 1. Shop drawings shall be prepared by the granite fabricator and submitted by the Contractor to the Architect for approval. Indicate piece sizes, quantities, and coordination with adjacent work. Shop drawings shall show all granite required, giving all overall piece size and sections through each condition. 2. Where required, full sized sections shall be drawn to show curved or molded sections. 3. All anchoring shall be defined and anchors located. Size and shape of anchors shall be indicated on shop drawings. 4. Each stone shall be numbered on the shop drawings. No fabrication shall begin until shop drawings are approved by the Architect. Deviations from the Bid Documents shall be clearly noted on the shop drawings. 5. Unless otherwise noted, submit 1 sepia and 5 prints of each shop drawing for approval. C. SAMPLES: 1. A minimum of 2 each, 12 inches x 12 inches in size, in each color and finish specified shall be submitted for the Architect's approval. In the case of more variegated granites, sufficient number of samples shall be submitted to show the full range of color and markings to be expected. If necessary, color photographs may accompany sample submittals. 2. If samples are rejected, new samples shall be submitted until approved. No fabrication shall begin until all samples are approved by the Architect. D. TEST REPORTS: Submit test reports on preliminary test data on specified or proposed granites to the Architect for approval. These reports shall be indicative of the granite to be used on the project. Testing of current production is specified in the quality control article of this section. E. CERTIFICATION: Submit a letter of certification from the granite 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.
[top]Specifier should select the descriptions which best suit the project. A. SINGLE SOURCE: 1. Single Source Responsibility for Stone: Obtain each color, grade, finish, type, and variety of stone from a single quarry. The quarry shall provide material of a consistent quality in appearance and physical properties, and include the capacity to cut and finish material without delaying the progress of the work. 2. 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. B. QUALIFICATIONS: 1. Installer Qualifications: Engage an experienced installer who has completed stone cladding similar in material, design, and extent to that indicated for the project, that has resulted in construction, with a record of successful in-service performance. 2. 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. C. MOCK-UPS: Specifier should determine, by project size and requirements, if mock-ups are necessary and if one or both are required. 1. Visual Mock-up: A full sized mock-up of the approved granite or granites in the approved finishes shall be erected at a site agreed to by the Architect, Contractor, and the Fabricator. The size and extent of the mock-up shall be in accordance with the Architect's design intent and as indicated in the Architect's drawings. When mock-up is approved, it shall become the standard for the project. Unless otherwise specified, the cost of the visual mock-up shall be included in the cost of the fabricated granite. The purpose of the visual mock-up shall be to evaluate erection procedure, evaluate the comparability of adjacent materials, evaluate caulking and mortar colors and textures, and to provide an overall aesthetic standard for the project. 2. Test Mock-up: See Section 2.06.E Quality Control D. 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. Attendance shall include the Architect, Contractor, stone installer, representatives of the granite fabricator, mortar materials/caulking supplier, and others whose work requires coordination with the work performed by those listed above.
[top]A. Finished granite shall be carefully packed and loaded for shipment using all reasonable care and customary precautions against damage in transit. No material which may cause staining or discoloration shall be used for blocking or packing. B. Upon receipt at the site or storage yard, the granite shall be stacked on timber or platforms at least 4 inches above the ground. Extreme care shall be taken to prevent staining or discoloration during storage. If storage is to be for a prolonged period, polyethylene or other suitable plastic film shall be placed between wood and finished surfaces of completely dry stone. Polyethylene or other suitable plastic film shall be used as an overall protective covering. Lewis holes shall be plugged during freezing weather to prevent the accumulation of water. Salt shall not be used for melting of ice formed in Lewis holes or on pieces, or for any purpose involving contact with the granite.
[top]A. The Contractor shall warrant the work of this section to be in compliance with the Contract Documents and free from faults and defects in materials and workmanship for a period of one year from the completion of the work.
[top]A. The granite fabricator shall supply, upon request, a manual indicating the recommended cleaning and maintenance of the installed work of this section. Catalogs and cuts from producers of recommended cleaning and maintenance materials shall be included in the maintenance manual. The manual shall include information regarding cleaning methods, stain removal methods and sealers.
[top]A. For the purpose of bidding and to establish the standard of quality and aesthetic goal expected on this project, all materials pertaining to granite are those furnished by Cold Spring Granite Company, Cold Spring, Minnesota.
[top]A. GENERAL: All granite shall be of standard granite, free of cracks, seams, or starts which may impair the structural integrity or function. Inherent color variations, characteristic of the quarry from which it is obtained, will be acceptable. Color and surface finish shall be in accordance with samples approved by the Architect. Specifier should fill in colors of granites and finishes of granite. B. SCHEDULE: All granite shall be _____________ as supplied by Cold Spring Granite Company, Cold Spring, Minnesota. The extent of the granite shall be as indicated on the Drawings. The finished surface shall be ________________ unless otherwise noted on the Drawings or in the finish schedule. Each color of granite shall come from a single quarry, with sufficient reserves to satisfy the requirements of the project, and the granite supplier shall have the capabilities to cut and finish the stone without delaying the project.
[top]A. ANCHORS: All anchors or anchoring devices coming in contact with the granite, shall be Type 302 or 304 stainless steel in accordance with ASTM A167 or Extruded Aluminum in accordance with ASTM B 221, alloy and temper as required, minimum strength and durability properties of 6063-T6. Wire anchors not acceptable for exterior use. For specific application information, refer to Section 1.09.A.2. B. SETTING BUTTONS: Lead or resilient plastic setting pads, nonstaining to the granite, sized to suit joint thickness and bed depths shall be used. C. STEEL PLATES: ASTM A36. D. STEEL TUBING: Cold formed ASTM A500. E. REINFORCING WIRE MESH FOR PAVING: Galvanized wire fabric 2 inches x 2 inches 16 gauge or 0.0624 inch diameter complying with ASTM A185 and ASTM A82. For small mesh with light traffic, 18 gauge galvanized hexagonal mesh (chicken wire) shall be acceptable. F. PLASTIC TUBING FOR WEEPS: Medium density polyethylene, outside diameter of 1/4 inch and of a length required to extend between exterior face of stone and cavity behind.
[top]A. GENERAL: All methods of measuring, mixing, and handling of mortars shall be in strict compliance with ASTM C270 -STANDARD SPECIFICATION FOR MORTAR FOR UNIT MASONRY. Use accurate measuring devices to mix mortar ingredients by volume. Mix colored mortars separately and thoroughly clean vessels and mixing equipment between different colored batches to avoid color contamination from each other. Maximum pot life and retempering shall be as indicated in ASTM C270. Mortar joints shall be raked to a depth of no less than the joint width. Joints shall be pointed after initial cure of setting mortars. When "thumbprint hard", pointing shall be tooled to a concave profile using a striking tool with a diameter of 1 1/2 times the joint width. Specifier should include applicable items and delete the others. B. MIXES: 1. Mortar setting bed for Exterior Paving shall be Type S per ASTM C270. Specifier may choose the following "dry-pack" bed as an alternate method to number 1 above: Setting Bed for Exterior Paving shall be made up of one part Portland cement to three parts washed sand. Add only enough water to dampen mixture. 2. Pointing mortar for Exterior Paving joints shall be Type N per ASTM C270. 3. Mortar for Exterior Ashlar(above grade) bed and head joints shall be Type N per ASTM C270. 4. Pointing mortar for Exterior Ashlar joints shall be Type N per ASTM C270. 5. Mortar for all Interior Applications shall be Type N per ASTM C270.
[top]A. GENERAL: Fabricate all granite in sizes and shapes required as indicated on the Drawings and on approved shop drawings. All granite shall comply with "Specification for Architectural Granite" as recommended by the National Building Granite Quarries Association. B. TOLERANCES: All granite shall be of the specified thickness and within a tolerance of plus or minus 1/8 inch of the nominal thickness shown. For thicknesses greater than 2 inches the variation tolerance may be plus or minus 1/4 inch of the nominal thickness. Overall face size may vary plus or minus 1/16 inch in both height and width, including being out of square to that tolerance. C. JOINTS: Joints of stone shall be square and true and at approximately 90 degrees to the face. For exterior facing, joints shall be 3/8 inch wide unless otherwise noted. For interior facing, joints shall be 1/4 inch wide unless otherwise noted. D. ANCHOR PROVISION: Drill, cut and sink provisions within the granite to receive anchors, fasteners, supports and any lifting devices needed to properly handle and attach the stone in place. Allow room for expansion of the anchoring devices where necessary. Where liners are required on the back of panels, secure by means of a mechanical anchor. The use of adhesives as the primary means of attachment is not permitted. E. ARRISES: All arrises shall be slightly blunted to remove the sharp edge and to reduce chipping of the finished edge. F. PREASSEMBLED PANELS:(Architect to use when applicable) 1. All anchors that penetrate the granite shall be Type 302 or 304 stainless steel in accordance with ASTM A167, or Extruded Aluminum in accordance with ASTM B 221, alloy and temper as required, minimum strength and durability properties of 6063-T6 and shall be furnished by the granite fabricator. 2. The steel clip angles used in the panel assembly shall be ASTM A36 steel in accordance with the AISC Specification for the Design, Fabrication, and Erection of Structural Steel for Buildings. Steel shapes shall be cut and punched to dimensions indicated on the approved shop drawings. 3. The anchors for attaching clip angles and frames to the granite shall be stainless steel embedded type anchors only. No expansion or cinch type anchors will be permitted. Holes for these anchors shall be diamond cored, drilled, or routed. 4. After fabrication, each steel unit shall be cleaned of loose scale and dirt in preparation for applying a protective coating. The coating shall be 2 mil minimum thickness of zinc chromate paint, applied either by dipping or spraying. 5. Each piece of granite shall receive the clips or frames at the locations indicated on the approved shop drawings. Each of these connection points shall consist of zinc chromate coated steel shims separated from the granite with non- corrosive insulators, stainless steel anchors, stainless steel nuts, and a zinc chromate coated square washer. The stainless steel anchors shall be inserted into diamond cored holes and torqued to the required tension. The washer and shims shall be spot welded as indicated on the approved shop drawings and all welded areas shall receive a coating of zinc chromate after welding is completed.
[top]A. GENERAL: Establish and maintain a quality control system to ensure that all materials supplied in this section meet or exceed the specified requirements. Specifier should offer option of submitting available historical data on file instead of new testing. Should new testing be required, specifier to edit 2.06.B through 2.06.F to suit the project requirements. B. GRANITE TESTS: 1. The Owner will employ and pay an independent testing laboratory to perform quality control testing. Tests will be performed on each type and variety of granite for compliance with the physical properties specified. Tests will be conducted on specimens randomly selected under the direction of the testing laboratory. Tests will be representative and typical of the granite proposed for the project. 2. Test results will be reported in writing by the testing laboratory to the Owner, Architect, and Contractor. C. TYPES OF GRANITE TESTS: 1. ASTM C97 - Absorption and Bulk Density. 2. ASTM C99 - Modulus of Rupture of Dimension Stone. 3. ASTM C170 - Compressive Strength of Dimension Stone. 4. ASTM C880 - Flexural Strength of Dimension Stone. D. ANCHOR TESTS: 1. The supplier of anchorage assemblies shall provide adequate documentation verifying strengths of such assemblies. If such documentation does not exist, a mock-up shall be used to test the anchorage assemblies according to the following procedure: a. Test each variety of anchor used in project. All anchors are to be tested in positive and negative loading directions unless it is readily apparent which direction is the weaker condition or the condition which will experience the greater load. b. Anchorage assemblies utilizing adhesives, grouts, or sealants as filler materials shall have the bond between the filler material and the anchor or stone intentionally broken for the purposes of the test. This procedure is intended to replicate the performance of the anchorage assembly after the anticipated bond failure. c. Anchors which are responsible for both gravity and lateral loads may be required to have the anticipated gravity load simulated prior to application of the lateral load. d. Blocking shall be used to simulate adjacent stones or system components which aid the anchor assembly by preventing disengagement from anchor hole. e. Apply test loads smoothly. Dial gauges may be required to record deflections and elastic deformations during load application. f. Test all assemblies to failure. Record load values and mode of failure. g. Test report shall include sketches and photographs as required to adequately describe the test methods, test fixtures, and failed condition of test specimens. Specifier shall ascertain if scope and complexity of project justify the inclusion of the following. E. Tests shall be performed on full panels in accordance with ASTM C1201 - Structural Performance of Exterior Dimension Stone Cladding Systems by Uniform Static Air Pressure Difference. 1. Air Infiltration: ASTM E283. 2. Water Penetration: ASTM E331. To qualify for acceptance, an independent testing laboratory shall demonstrate to the Architect's satisfaction, based on evaluation of laboratory submitted criteria conforming to ASTM E699, that it has the experience to satisfactorily conduct the tests specified without delaying the progress of the work. If it is deemed necessary, specifier should state the required intervals for production testing in square feet. Suggest each 20,000 square feet for projects over 50,000 square feet. Specifier should note that production should not be stopped during testing. Test records are for reference only and existing test data should be used whenever possible. F. PRODUCTION TESTS: Stone samples will be taken at specified intervals and tests performed per ASTM C880 - Flexural Strength of Dimension Stone.
[top]A. SURFACE CONDITIONS: 1. Prior to installing granite, examine the existing surface that is to receive the cut stone and verify it is in accordance with the specifications and as indicated on the Drawings. Do not proceed until defective surfaces are brought into compliance. 2. Verify measurements and tolerances and report in writing to the Contractor, conditions that are not correct. This includes water tightness of sub- surface, installation of anchoring accessories, and other mechanical devices required to be installed prior to the installation of the cut stone work.
[top]A. Advise installers of other work about requirements relating to the placement of inserts, flashing reglets, and other items to be used by the stonework installer for anchoring, supporting, and flashing of dimensional stonework. Furnish shop drawings to other trades for coordination. B. Prior to setting cut stone, clean all surfaces to remove accumulated dirt and stains. Clean thoroughly by scrubbing with non-metallic brushes followed by a drenching with clean water. Use only mild detergents that do not contain caustic fillers.
[top]A. QUALITY 1. Proceed with the installation of the stonework using skilled mechanics capable of proper handling of the setting of the stone and able to field cut where necessary with sharp and true edges. 2. Set stone in compliance with the approved shop drawings. Set with anchors, supports, and fasteners, as indicated, to properly secure the stone accurately in the places indicated on the approved shop drawings. Joints shall be uniform in appearance and edges and faces aligned to tolerances indicated. B. TOLERANCES 1. For variation from plumb for columns, walls, and arrises, do not exceed 1/4 inch in 10 feet, 3/8 inch in a story height or 20 feet maximum, or 1/2 inch in 40 feet or more. For external corners, expansion joints, and other critical lines, do not exceed 1/4 inch in any story or 20 feet maximum, or 1/2 inch in 40 feet or more. 2. For variations from level on lintels, sills, parapets, and other horizontal lines, do not exceed 1/2 inch in any bay or 20 feet maximum, or 3/4 inch in 40 feet or more. 3. For wall thicknesses and column sizes, do not exceed minus 1/4 inch or plus 1/2 inch in section dimensions. C. CONTIGUOUS WORK: 1. Provide chases, reveals, reglets, and openings as indicated on the approved shop drawings to accommodate contiguous construction. Close up open spaces with the same stonework as the surrounding area so the enclosed areas match those already set.
[top]Specifier should edit where necessary. A. The Owner will employ and pay an independent testing laboratory to perform field quality control testing. Tests will be performed on stone cladding for water penetration in accordance with ASTM test procedures. B. Test results will be reported in writing by the testing laboratory to the Owner, Architect, and Contractor.
[top]A. Repair or replace stonework found to be not within the range of the approved mock up in appearance or application including broken, stained or chipped stonework, or stonework not properly fitted. Minor patching in small areas may be acceptable if the repair does not distract from the overall appearance of the finished project.
[top]A. As soon as possible after installation, clean all finished stonework with a mild detergent using a fiber brush. After cleaning, rinse with clean water. Do not use acid or other caustic materials. When cleaning is completed, remove temporary protection installed during construction.
[top]A. At the end of each day's work, cover top of walls with a nonstaining waterproof covering. Protect partially finished work when not being worked on. B. Protect sills, ledges, and other projections from mortar or other droppings during the process of the work. Provide work covers where needed.