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Architectural Woodwork Standards, 2nd Edition PDF

526 Pages·2014·8.6 MB·English
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IMPORTANT PRODUCT ADVISORY REGARDING DIMENSIONAL CHANGE PROBLEMS IN ARCHITECTURAL WOODWORK This advisory concerns prevention of dimensional prob- Oxidation is a reaction of acids in wood (e.g., tannic acid), lems in architectural woodwork products as the result of with iron, oxygen, and moisture, whether this be relative uncontrolled relative humidity. It is further intended as a humidity or direct moisture. Control of moisture is a simple reminder of the natural dim en sion al properties of wood way to protect wood products from stains as a result of and wood-based products such as plywood, particle- oxidation. board, and high pressure decorative laminate (HPDL) and of the routine and nece s sary care and responsibilities Together with proper design, fabrication, and installa- which must be assumed by those involved. tion, humidity control is obviously the important factor in pre venti ng dimensional change problems. For centuries, wood has served as a successful material for architectural woodwork, and as history has shown Architectural woodwork products are manufactured as wood products perform with complete satisfaction when designed from wood that has been kiln dried to an ap- correctly designed and used. Prob lems directly or indi- pro pri ate average moisture content and maintained at this rectly at trib ut ed to di men siona l change of the wood are condition up to the time of delivery. Subsequent dimen- usually, in fact, the result of faulty design, or improper hu- sional change in wood is and always has been an inher- midity conditions during site storage, installation, or use. ent natural property of wood. These changes cannot be the responsibility of the man u fac tur er or products made Wood is a hygroscopic material, and under normal use from it. Specifi cally: and conditions all wood products contain some moisture. • Responsibility for dimensional change problems in Wood readily exchanges this molecular moisture with the wood products resulting from design rests with the water vapor in the surrounding atmosphere ac cordi ng to designer/architect/specifi er. the existing relative humidity. In high humidity, wood picks up moisture and swells. In low humidity, wood releases • Responsibility for dimensional change problems in moisture and shrinks. As normal minor fl uctuations in wood products resulting from improper relative humid- humidity occur, the resulting di mens ion al response in ity exposure during site storage and installation rests properly designed construction will be in sig nifi cant. To with the general contractor. reduce humidity related problems, the appropriate recom- • Responsibility for dimensional change problems in mendations from Section 2 of the AWS should be consid- wood products resulting from humidity extremes after ered. Uncontrolled extremes can likely cause problems. occupancy rests with engineering and maintenance. AWS 2nd Edition Cover Architectural Woodwork Standards 2nd Edition A Specifi cation of Qualities, Methods, and Workmanship Requisite to the Production and Installation of Architectural Millwork Adopted and Published Jointly, Effective October 1, 2014, As the Successor, Replacement, and Latest Edition of the Architectural Woodwork Standards By the Following Sponsor Associations: Architectural Woodwork Institute (AWI) 46179 Westlake Drive, Suite 120, Potomac Falls, VA 20165 Phone: 571-323-3636 / Fax: 571-323-3630 www.awinet.org Architectural Woodwork Manufacturers Association of Canada (AWMAC) Unit 02A, 4803 Centre Street NW, Calgary, Alberta T2E 2Z6, Canada Phone: 403-981-7300 www.awmac.com Woodwork Institute (WI) P. O. Box 980247, West Sacramento, CA 95798-0247 Phone: 916-372-9943 / Fax: 916-372-9950 www.woodworkinstitute.com Joint Standards Committee Members: Myron Jonzon - Chair Mike Bell - Vice Chair Clare Smith - Secretary M M AWI WI AWMAC Michael Bell - Florida Bill Fenstermacher - California Kerry DePape - Saskatchewan Randy Jensen - Alabama Mike Hansen - California Myron Jonzon - Alberta William Munyan - North Carolina Bruce Humphrey - California Jim Taylor - British Columbia Shows Leary - New York Dennis Milsten - Washington Martin Boutet - Quebec Executive Editor: Stanley R. (Rob) Gustafson, CAE, CSI CEO - Woodwork Institute © 2014 jointly by the Architectural Woodwork Institute (AWI), Architectural Woodwork Manufacturers Association of Canada (AWMAC), and Woodwork Institute (WI). All rights reserved under Pan American and International Copyright Conventions. Price: $125.00 USD I INTRODUCTION INTRODUCTORY STATEMENT DISCLAIMERS If a conflict is found in these standards, it shall Like all architectural components of the The Sponsor Associations shall not be responsible be brought to the attention of the Joint Standards construction process, woodwork design and to anyone for the use of or reliance upon these Committee (JSC) by way of the AWS Improvement configuration possibilities are limited only by the standards. The Sponsor Associations shall not Suggestion Form (found at end of Users Guide creativity of the design professional. We have incur any obligation nor liability for damages, and the Inside Back Cover) and until specifically included architectural wood products which including consequential damages, arising out of addressed, the least restrictive requirement shall through evolution have become fixtures of our or in connection with the use, interpretation of, or prevail. daily lives and have developed a measurable reliance upon these standards. guideline to ensure these products meet these standards. These Architectural Woodwork Standards (AWS) provide the minimum criteria for the concept, While these Architectural Woodwork Standards design, fabrication, finishing, and installation (AWS) are to be applied to the production of architectural woodwork. Provisions for and installation of all architectural wood mechanical and electrical safety have not been products, the performance of wood products included. References to life-safety requirements once installed outside of a climate controlled are included for information only. Governmental (interior) environment (as identified in Section agencies or other national standards-setting 2 of these standards) cannot be measured by organizations provide the standards for life-safety these standards. Wood products installed in requirements. non-climate controlled environments will have varying degrees of performance and should be While the AWS does establish Assembly and governed by contractual agreements between the Installation standards for all wood products, the manufacturers and the buyers. joint flushness and gap tolerance performance for wood products once installed outside of climate It is the intent of these standards to assist the controlled (interior) environments (as identified in design professional to specify a variety of millwork Section 2 of these standards) cannot be governed products which meet the functional and esthetic by these Standards. requirements of their clients. Encompassing all products in these standards is not possible; but Illustrations are intended to assist in understanding by understanding and applying these standards the standards and may not include all and implementing the services provided by the requirements for a specific product or unit, nor signatory Sponsor Associations, the design do they show the only method of fabrication. professional will best serve their client needs Such partial drawings shall not be used to justify and can be confident their quality criteria will be improper or incomplete design and/or construction. achieved. The appendix is provided as an additional When design professionals reference the AWS for resource to the manufacturer, design professional, their projects, they also assume the obligation that educator, user, or certifying organization. The the quality standards are met. Appendix is only part of the standards when referenced. This AWS includes citations and quotes from other industry Standards that are neither developed nor published by the Sponsor Associations. The reference to and usage of is not a validation of these citations and quotations outside the context of the AWS. Only when these citations and partial quotations are applied in concert with all other related provisions of this AWS are these citations and partial quotations recognized for application to architectural woodwork. 2 Architectural Woodwork Standards ©2014 AWI | AWMAC | WI 2nd Edition, October 1, 2014 I SPONSOR ASSOCIATIONS Architectural Woodwork Institute (AWI) The Architectural Woodwork Institute is a • For more information about AWI, please visit OR, the contractor, upon award of the work, shall nonprofit international trade association of the AWI website www.awinet.org or call the register the work under this Section with the AWI architectural woodwork manufacturers, industry AWI National Office at 571-323-3636. Quality Certification Program at www.awiqcp.org suppliers, and design professionals. AWI was or by calling QCC toll free 1-855-345-0991. The AWI Quality Certification Program established in 1953 as an expansion of the In fulfilling its mission to inspect, report, enforce Millwork Cost Bureau and is dedicated to goals In 1995, AWI’s Board of Directors established and assist in architectural woodwork standards that include: the Quality Certification Program (QCP) to give compliance, the AWI Quality Certification measurable confirmation that the architectural • Updating, maintaining and promoting the Program retains a team of experienced woodwork, specified as a QCP Certified Project Architectural Woodwork Standards; compliance inspectors, each of whom have meets the quality grade required and established at least fifteen years of experience in the • Providing networking, industry specific in the Architectural Woodwork Standards. architectural woodwork industry. Each inspector education, and learning opportunities for Since 2007, the AWI Quality Certification has passed the initial qualification testing, both members and the design community. Corporation (AWI QCC), an independent, receives ongoing training by the QCC and has • Researching innovative materials and international credentialing body, has been the agreed to adhere to the QCC conflict of interest methods of compliance, engineering, sole administrator of the AWI Quality Certification policy. fabrication, finishing, and installation. Program. To fulfill its mission to inspect, report, The QCP licenses eligible woodworking firms enforce and assist in architectural woodwork • And through AWI’s network of over twenty- to certify that a project’s work complies with the standards compliance, the QCP annually five chartered AWI chapters, operating project contract documents and the Architectural performs more than 500 inspections of firms and regionally on principles of sharing Woodwork Standards (AWS). QCP verifies projects throughout North America, Asia, Africa, knowledge, education, and networking. compliance with the contract documents and the and Europe. AWI’s education and networking events include: standards through the inspection process. The design professional’s reputation depends on • Face-to-face and online based seminars others when they specify architectural woodwork. Compliance inspections are performed for each and workshops for AWI members, The Quality Certification Program (QCP) provides new QCP Licensee’s first two registered certified the construction industry, and design the means to measure, confirm and report that projects, or any registered project where request professionals (including AIA Continuing the quality specified is the quality provided. has been made to QCP administration for a Education System (CES) credits). compliance inspection by the project’s design QCP provides design professionals and owners professional, the general contractor or project • Best Practices Groups for owners and top a means of verifying the skills and competence owner. Each year QCP performs compliance management of manufacturing member of the architectural woodwork manufacturers on inspections on dozens of randomly chosen companies. a project-specific basis. Inspections, reports and registered QCP projects throughout North • Fall Annual Meeting and Convention. documentation give the design professional and America. owner clear justification to reject any woodwork • Spring Meeting & Leadership Conference. Woodworking firms earn their licensee that does not meet contract documents. A major certification credentials by successfully AWI’s Publications and web content, include: benefit of QCP is that it provides the means completing comprehensive testing, rigorous to prevent noncompliant woodwork from being • Design Solutions – AWI’s quarterly journal inspections, and by submitting no less than ten installed on the job site. with circulation of over 20,000 architects and trade references. Moreover, QCP Licensees designers. Design professionals are encouraged to include must demonstrate the ability to fabricate, finish, • AWI eCost Book - a web-based QCP’s suggested specification language in their and/or install work in accordance with the quality manufacturing labor hour calculation system. contract documents: grade criteria set forth in the Architectural Quality Standard: Unless otherwise indicated, Woodwork Standards (AWS). • LEED® Resources – Simplifies the key points to assist woodworkers with LEED® point comply with “Architectural Woodwork Standards” The AWI Quality Certification Program is reporting process. for grades of interior architectural woodwork, endorsed by leading construction organizations construction, finishes, and other requirements. that values quality, including the U.S. General • Numerous member-centered education, Quality Assurance: Provide AWI Quality Services Administration (GSA) and the American resources and networking activities. Certification Program (QCP) [labels] [certificates] Subcontractors Association (ASA). For more • AWI’s Safety Solutions – a web-based indicating that woodwork [including installation] information about the AWI QCP, please visit the resource for safety and OSHA compliance complies with requirements of grades specified. QCP website www.awiqcp.org or call the QCP information. This project has been registered as AWI/QCP National Office toll free at (855) 345-0991. • AWI’s annual Cost of Doing Business Report Number ________. Consult the awiqcp.org website for additional – provides manufacturing members with inspection services. financial performance benchmarks, wage and compensation data and business trends. ©2014 AWI | AWMAC | WI 2nd Edition, October 1, 2014 Architectural Woodwork Standards 3 I SPONSOR ASSOCIATIONS Architectural Woodwork Manufacturers Association of Canada (AWMAC) The Architectural Woodwork Manufacturers GUARANTEE AND INSPECTION SERVICE (GIS) GIS WORDING FOR SPECIFICATIONS Association of Canada (AWMAC)/Association des AWMAC regional chapters manage the GIS Architectural woodwork shall be manufactured Manufacturiers de la Menuiserie Architecturale monitoring program, initiated in 1990. AWMAC and/or installed to the current AWMAC du Canada has its roots in the 1920s millwork GIS Certified Inspectors review, inspect and Architectural Woodwork Standards and shall industry in Vancouver, Canada. Evolving from report on pre-tender specifications if requested, be subject to an inspection at the factory and/ regional associations, it has become a nonprofit sample units when specified and shop drawings. or site by an appointed AWMAC Certified national registered association. AWMAC’s Inspectors also perform a comprehensive final Inspector. Inspection costs shall be included in strength is the linkage between the national inspection of the architectural woodwork for the the tender price for this project. (Contact your association, the regional AWMAC Chapters, and project owner. The AWMAC GIS program offers, local AWMAC Chapter for details of inspection the manufacturer, supplier, educational, associate, through its members in good standing, a two year costs). Shop drawings shall be submitted to and design professional members. Today, AWMAC AWMAC Guarantee Certificate on projects which the AWMAC Chapter office for review before is the national voice of the Canadian architectural have the recommended GIS wording specified in work commences. Work that does not meet the woodwork industry and is committed to: the tender documents. AWMAC Architectural Woodwork Standards, • Partnering with other associations to define and as specified, shall be replaced, reworked and/ improve architectural woodwork standards. GIS MANDATE or refinished by the architectural woodwork In order to ensure that the quality of materials contractor, to the approval of AWMAC, at no • Collaborating with educational institutions to and workmanship of the architectural woodwork additional cost to the owner. enhance the apprentice and technical programs specified are in compliance with the current and to ensure a quality human resource for the AWMAC Architectural Woodwork Standards If the woodwork contractor is an AWMAC architectural woodwork industry. (AWS), the AWMAC Guarantee and Inspection Manufacturer member in good standing, a • Communicating the traditional, new, and Service program (GIS) must be specified and be two (2) year AWMAC Guarantee Certificate innovative architectural woodwork assembly considered an integral component of the scope will be issued. The AWMAC Guarantee shall methods and materials to governments, of work. cover replacing, reworking and/or refinishing industry, design professionals, and their deficient architectural woodwork due to faulty associations GIS OBJECTIVE workmanship or defective materials supplied and/ • Publishing The Sounding Board, a newsletter, The objectives of the Guarantee and Inspection or installed by the woodwork contractor, which and the Salary/Business Conditions Survey. Service are: may appear during a two (2) year period following 1. To assist the design authority in the date of issuance. • In conjunction with AWMAC, AWMAC Chapters achieving “good architectural woodwork.” provide: 2. To offer the owner, customer, design If the woodwork contractor is not an AWMAC • Seminars from raw “green” products authority, and woodwork contractor an Manufacturer member they shall provide the to installed architectural woodwork for assurance that strict monitoring of the owner with a two (2) year maintenance bond, in architects, designers, and members. architectural woodwork requirements on lieu of the AWMAC Guarantee Certificate, to the a given project will meet the specified full value of the architectural woodwork contract. • Annual Awards that celebrate the AWMAC standards. best in quality, service, and design for CONTACT manufacturers, associates, and design For more information about AWMAC and the GIS professionals. Program visit our website at www.awmac.com • Administration of the Guarantee and and contact your local AWMAC Chapter office. Inspection Service (GIS); initiated in 1990, the GIS Program (when specified by the design professional) monitors and guarantees projects that specify AWMAC standards. 4 Architectural Woodwork Standards ©2014 AWI | AWMAC | WI 2nd Edition, October 1, 2014 I SPONSOR ASSOCIATIONS Woodwork Institute (WI) Established in 1951 as a not-for-profit trade CERTIFIED COMPLIANCE PROGRAM (CCP) Evidence of compliance is provided by issuance organization dedicated to the preservation of the The Certified Compliance Program is a discipline of a Monitored Compliance Certificate, listing the use of wood as a building material, Woodwork of quality control used in conjunction with the items certified, the applicable AWS Grade(s) and Institute (WI) has grown to a national organization AWS which provides an unbiased means of whether installation is included. Additionally, if so whose primary purpose is to assure excellence ensuring conformance to a project’s plans and specified, shop drawings and each elevation of and craftsmanship in woodwork. specifications. CCP, together with the use of the casework and/or countertops are labeled with an desired Grade(s) in the specifications, informs all individually serial-numbered “Compliance Label”. As the Institute has grown, so too has its Quality parties of the design professional’s expectations, Control Options. As a means of establishing without bidder discrimination. CERTIFIED SEISMIC INSTALLATION quality control, WI along with AWI and AWMAC PROGRAM (CSIP) has collaborated on the Architectural Woodwork By specifying CCP for both shop drawings and Certified Seismic Installation Program is Standards (AWS). This book is the essence of fabrication/installation of millwork products the WI’s most recent certification program. It is building and installing quality products. design professional is assured that all items a standalone Quality Control and Seismic conform to the contract documents and the Compliance Option, but can be specified in Unique to WI are its certification programs which requirements of the AWS. conjunction with CCP or MCP. CSIP offers include the Certified Compliance Program (CCP), design professionals and property owners the Monitored Compliance Program (MCP) and CCP does not restrict bidding or bidders. Anyone specified use of WI’s seismic casework pre- the Certified Seismic Installation Program (CSIP). may use the CCP inspection service without the approvals from the Office of Statewide Health requirement of being a member or licensee. Planning and Development (OSHPD) without As well, WI provides Independent Inspection additional engineering costs and/or requirements. Services (IIS) for projects and Expert Witness Evidence of certification is provided by issuance It further assures: Services (EWS), when requested by a party to of a Certified Compliance Certificate, listing the the contract. items certified, the applicable AWS Grade, and • Proper backing has been installed in the whether installation is included. Additionally, if walls when and where required. DIRECTORS OF ARCHITECTURAL SERVICE so specified, shop drawings and each elevation • Certified acknowledgement that the project’s (DAS) of casework and/or countertops are labeled seismic casework installation requirements Our Director’s of Architectural Services provide with an individually serial-numbered “Certified meet OSHPD and/or the Division of State a wealth of knowledge to the architectural Compliance Label.” Architect (DSA) compliance requirements. community and the construction industry. Their primary focus is compliance verification MONITORED COMPLIANCE PROGRAM (MCP) INDEPENDENT INSPECTION SERVICE (IIS) (inspection services) through CCP, MCP and The Monitored Compliance Program is The Independent Inspection Service is available CSIP. a discipline of quality affirmation used in on a fee basis with respect to issues pertaining conjunction with the AWS which provides to the architectural woodwork industry as defined Concentrating on the design community, the ongoing reviews/inspections of a project from its within or covered by the AWS. DAS are available to review specifications, beginning through completion. answer millwork related Requests for Information, EXPERT WITNESS SERVICE (EWS) consult on design issues and present seminars The design professional, in specifying MCP, is Expert Witness Service is available on a fee for continuing education units as required by ensuring that strict conformance to his/her design basis with respect to issues pertaining to the the Architectural Institute of America (AIA). As intent is adhered to throughout the millwork architectural woodwork industry as defined within well, the DAS are available to assist a design fabrication and installation process. or covered by the AWS. professional should they need an impartial opinion about millwork fabricated or installed on Shop drawings, millwork products, finishing For more information please visit WI’s website a project. and installation (of all involved parties) will be at www.woodworkinstitute.com or call the progressively inspected for compliance to the administrative office at (916) 372-9943. Focusing on fabricators and installers the DAS contract documents and the specified AWS are available for free and unbiased consultation Grade(s). Reports will be issued to all involved regarding specification interpretation, compliance parties at each review/inspection. issues, shop-drawing protocol, standards interpretation and other matters. ©2014 AWI | AWMAC | WI 2nd Edition, October 1, 2014 Architectural Woodwork Standards 5 I CONTRIBUTING ASSOCIATIONS The Following Associations Are Gratefully Acknowledged: American Institute of Architects (AIA) American National Standards Institute (ANSI) American Society of Interior Designers (ASID) American Society for Testing and Materials (ASTM) Builders Hardware Manufacturers Association (BHMA) Composite Panel Association (CPA) Construction Specifications Canada (CSC) Construction Specifications Institute (CSI) The Engineered Wood Association (APA) Hardwood Plywood & Veneer Association (HPVA) Interior Design of Canada (IDC) International Solid Surface Fabricators Association (ISSFA) International Wood Products Association (IWPA) Laminating Materials Association (LMA) National Electrical Manufacturers Association (NEMA) National Fire Protection Association (NFPA) National Hardwood Lumber Association (NHLA) Royal Architectural Institute of Canada (RAIC) Scientific Equipment & Furniture Association (SEFA) Stair Manufacturer Association (SMA) Western Wood Products Association (WWPA) Window and Door Manufacturers Association (WDMA) Wood Moulding and Millwork Producers Association (WMMPA) 6 Architectural Woodwork Standards ©2014 AWI | AWMAC | WI 2nd Edition, October 1, 2014 Architectural Woodwork Standards USER’S GUIDE U USER’S GUIDE Sponsored by the Architectural Woodwork • Product, covering minimum • Section 2 - Care & Storage - Addresses Institute, the Architectural Woodwork manufacturing (material, machining, and minimum care and storage (environmental Manufacturers Association of Canada, and the assembly) requirements. condition) requirements to be maintained Woodwork Institute (hereinafter called the Sponsor before, during, and after the delivery, • Installation, minimum installation Associations), these joint standards represent the storage, and installation of product and is requirements (not applicable to Sections best of what all three organizations have to offer in further subdivided as follows: 1-5). defining the minimum requirements of material and • Table of Contents workmanship for the fabrication and installation • Test - covers the ways of verifying • Introductory Information of architectural woodwork in a climate controlled compliance with the standards (not • Specify Requirements For interior environment. The joint standards are applicable to Sections 1-4). • Recommendations based on three definitive levels of materials and THE FOLLOWING ARE NOT PART OF THE • Compliance Requirements workmanship: Economy, Custom, and Premium AWS FOR COMPLIANCE PURPOSES: • GENERAL Grade. • Basic Considerations • Introduction • Grades These standards are both a voluntary and a • Industry Practices definitive document, intended to spell out the • Table of Contents • PRODUCT requirements for satisfactory performance when • Introductory Information Portion of Each • Scope referenced as part of contract documents. Material or Product/Installation Section • Default Stipulation Sections in the document are interrelated and • Design Ideas • Rules are intended to be used together, not in part. • Basic Rules For example, if a project specification requires • Index compliance with Section 10, then compliance with • Section 3 - Lumber - Addresses the Sections 1-5 along with the Appendix and the THE AWS IS SUBDIVIDED AS FOLLOWS: minimum acceptable performance and Glossary are also required, as applicable. appearance characteristics of lumber to be • Introduction - Provides an Introductory used within the standards’ product Sections Statement, Disclaimers and a brief The INSIDE FRONT COVER provides an 6-12. This section does not attempt to description about the Sponsor Associations. important PRODUCT ADVISORY regarding establish raw material grades. It defines the dimensional change problems in architectural • User’s Guide - Provides a tool to enhance minimum characteristics for lumber when woodwork and its review and consideration is your understanding of the philosophy behind used in a product governed by Sections recommended by the Sponsor Associations. the layout of these standards. 6-12 based on the specified Grade of work • Table of Contents (Economy, Custom, or Premium) and is The INSIDE BACK COVER provides reference further subdivided as follows: for access to an AWS IMPROVEMENT • Preface - Provides information in areas SUGGESTION FORM which can be filled out of importance that should be reviewed in • Table of Contents and submitted online through any of the Sponsor advance of using the standards. • Introductory Information • Specify Requirements For Associations web sites. • Section 1 - Submittals - Addresses • Recommendations minimum submittal requirements, including • Compliance Requirements Each SECTION is organized into two distinct shop drawings, samples, etc., and is further • GENERAL elements, that of: subdivided as follows: • Basic Considerations • Introductory Information - Consisting of • Table of Contents • Grades educational materials and resources relevant • Introductory Information • Industry Practices to the Section that are not standards or • Specify Requirements For • PRODUCT compliance requirements, and: • Recommendations • Scope • Specific specification requirements. • Compliance Requirements • Default Stipulation • General recommendations. • GENERAL • Rules • Compliance Requirements - Consisting of • Basic Considerations • Basic Rules the standards requirements (rules) which are • Grades • Hardwood Material Rules further organized into: • Industry Practices • Softwood Material Rules • PRODUCT • Basic Considerations, including grades, • Scope general subject matter and industry • Default Stipulation practices applicable to the scope of work. • Rules • Basic Rules • Section 6-12 Rules 8 Architectural Woodwork Standards ©2014 AWI | AWMAC | WI 2nd Edition, October 1, 2014

Description:
This advisory concerns prevention of dimensional prob- lems in architectural woodwork products as the result of uncontrolled relative humidity. It is further intended as a reminder of the natural di men sion al properties of wood and wood-based products such as plywood, particle- board, and high
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