Creating a Timber Frame House
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Chapter 296-78 WAC, Sawmills and Woodworking
Chapter 296-78 WAC Introduction Sawmills and Woodworking Operations _________________________________________________________________________________________________________ Chapter 296-78 WAC Sawmills and Woodworking Operations (Form Number F414-010-000) This book contains rules for Safety Standards for sawmills and woodworking operations, as adopted under the Washington Industrial Safety and Health Act of 1973 (Chapter 49.17 RCW). The rules in this book are effective March 2018. A brief promulgation history, set within brackets at the end of this chapter, gives statutory authority, administrative order of promulgation, and date of adoption of filing. TO RECEIVE E-MAIL UPDATES: Sign up at https://public.govdelivery.com/accounts/WADLI/subscriber/new?topic_id=WADLI_19 TO PRINT YOUR OWN PAPER COPY OR TO VIEW THE RULE ONLINE: Go to https://www.lni.wa.gov/safety-health/safety-rules/rules-by-chapter/?chapter=78/ DOSH CONTACT INFORMATION: Physical address: 7273 Linderson Way Tumwater, WA 98501-5414 (Located off I-5 Exit 101 south of Tumwater.) Mailing address: DOSH Standards and Information PO Box 44810 Olympia, WA 98504-4810 Telephone: 1-800-423-7233 For all L&I Contact information, visit https://www.lni.wa.gov/agency/contact/ Also available on the L&I Safety & Health website: DOSH Core Rules Other General Workplace Safety & Health Rules Industry and Task-Specific Rules Proposed Rules and Hearings Newly Adopted Rules and New Rule Information DOSH Directives (DD’s) See http://www.lni.wa.gov/Safety-Health/ Chapter 296-78 WAC Table of Contents Sawmills and Woodworking Operations _________________________________________________________________________________________________________ Chapter 296-78 WAC SAFETY STANDARDS FOR SAWMILLS AND WOODWORKING OPERATIONS WAC Page WAC 296-78-500 Foreword. -
TFEC 1-2019 Standard for Design of Timber Frame Structures And
TFEC 1-2019 Standard for Design of Timber Frame Structures and Commentary TFEC 1-2019 Standard Page 1 January 2019 TFEC 1-2019 Standard for Design of Timber Frame Structures and Commentary Timber Frame Engineering Council Technical Activities Committee (TFEC-TAC) Contributing Authors: Jim DeStefano Jeff Hershberger Tanya Luthi Jaret Lynch Tom Nehil Dick Schmidt, Chair Rick Way Copyright © 2019, All rights reserved. Timber Framers Guild 1106 Harris Avenue, Suite 303 Bellingham, WA 98225 TFEC 1-2019 Standard Page 2 January 2019 Table of Contents 1.0 General Requirements for Structural Design and Construction .......................................6 1.1 Applicability and Scope ........................................................................................ 6 1.2 Liability ................................................................................................................. 6 1.3 General Requirements ........................................................................................... 7 1.3.1 Strength ........................................................................................................... 7 1.3.2 Serviceability ................................................................................................... 7 1.3.3 General Structural Integrity ............................................................................. 7 1.3.4 Conformance with Standards .......................................................................... 7 1.4 Design Loads ........................................................................................................ -
LP Solidstart LVL Technical Guide
U.S. Technical Guide L P S o l i d S t a r t LV L Technical Guide 2900Fb-2.0E Please verify availability with the LP SolidStart Engineered Wood Products distributor in your area prior to specifying these products. Introduction Designed to Outperform Traditional Lumber LP® SolidStart® Laminated Veneer Lumber (LVL) is a vast SOFTWARE FOR EASY, RELIABLE DESIGN improvement over traditional lumber. Problems that naturally occur as Our design/specification software enhances your in-house sawn lumber dries — twisting, splitting, checking, crowning and warping — design capabilities. It ofers accurate designs for a wide variety of are greatly reduced. applications with interfaces for printed output or plotted drawings. Through our distributors, we ofer component design review services THE STRENGTH IS IN THE ENGINEERING for designs using LP SolidStart Engineered Wood Products. LP SolidStart LVL is made from ultrasonically and visually graded veneers arranged in a specific pattern to maximize the strength and CODE EVALUATION stifness of the veneers and to disperse the naturally occurring LP SolidStart Laminated Veneer Lumber has been evaluated for characteristics of wood, such as knots, that can weaken a sawn lumber compliance with major US building codes. For the most current code beam. The veneers are then bonded with waterproof adhesives under reports, contact your LP SolidStart Engineered Wood Products pressure and heat. LP SolidStart LVL beams are exceptionally strong, distributor, visit LPCorp.com or for: solid and straight, making them excellent for most primary load- • ICC-ES evaluation report ESR-2403 visit www.icc-es.org carrying beam applications. • APA product report PR-L280 visit www.apawood.org LP SolidStart LVL 2900F -2.0E: AVAILABLE SIZES b FRIEND TO THE ENVIRONMENT LP SolidStart LVL 2900F -2.0E is available in a range of depths and b LP SolidStart LVL is a building material with built-in lengths, and is available in standard thicknesses of 1-3/4" and 3-1/2". -
The Wood Lumber Company
Te Wood Lumber Company by Deborah Grifn Scanlon Tis story starts with Edmund Wood, who owned One hundred and three years later, Falmouth has the Greene and Wood Lumber Yard, a chain of about 32,000 year-round residents, too many lumber warehouses based in New Bedford that dwellings to count, LED streetlights and a 60-per- dated back to 1835. In 1912 Mr. Wood saw son police department. Te Miskells - Joseph’s potential for growth in Falmouth and decided to grandson, Dana Miskell, and his wife Eileen - still open a branch here. He bought James Cameron’s own, manage, and welcome new and old customers small lumber yard on Locust Street and named it to Te Wood Lumber Company. Te Wood Lumber Company. Te lumber business that Edmund Wood bought on Locust Street from Mr. Cameron was originally on King Street. Owned since at least 1875 by B. B. King, for whom the street was named, the business was purchased in 1895 by Mr. Cameron. A native of Scotland, Mr. Cameron came to Fal- mouth by way of Naushon Island, where he was superintendent of the Forbes’s farm. He operated the lumber business on King Street until 1909, when he moved it to Locust Street. Te frst build- ing he put up was a large cypress shed which was in Te frst Wood Lumber Co. ad in Te Enterprise, March use for many years. In 1912, Mr. Cameron sold his 12, 1912 business to Mr. Wood and then lived in Falmouth Joseph B. Miskell, the 22-year-old son of James in retirement for another 25 years. -
Carpentry/Carpenter
Job Ready Credential Blueprint 46.0201- Carpentry/Carpenter Carpentry Code: 4215 / Version: 01 Copyright © 2017. All Rights Reserved. Carpentry General Assessment Information Blueprint Contents General Assessment Information Sample Written Items Written Assessment Information Performance Assessment Information Specic Competencies Covered in the Test Sample Performance Job Test Type: The Carpentry industry-based credential is included in NOCTI’s Job Ready assessment battery. Job Ready assessments measure technical skills at the occupational level and include items which gauge factual and theoretical knowledge. Job Ready assessments typically oer both a written and performance component and can be used at the secondary and post-secondary levels. Job Ready assessments can be delivered in an online or paper/pencil format. Revision Team: The assessment content is based on input from secondary, post-secondary, and business/industry representatives from the states of Maine, Massachusetts, Michigan, Montana, Pennsylvania, and Texas. CIP Code 46.0201- Carpentry/Carpenter Career Cluster 2- Architecture and Construction 47-2031.01 – Construction Carpenters The Association for Career and Technical Education (ACTE), the leading professional organization for career and technical educators, commends all students who participate in career and technical education programs and choose to validate their educational attainment through rigorous technical assessments. In taking this assessment you demonstrate to your school, your parents and guardians, your -
SIA Newsletter (SIAN)
Volume 34 Fall 2005 Number 4 NATIONAL HERITAGE AREAS Current Trends Shaping the Future of America’s Industrial Sites ver the past 20 years the national heritage area eral conservation; it was not established as a National Park movement has gained momentum and unit, but as a heritage area—a large living landscape—where embraced industrial history. National heritage the federal government offered assistance to local organizers. O areas receive federal funding and technical This idea opened the door to the conservation of other large- support from the U. S. National Park Service scale waterways, canal systems, and associated industrial sites (NPS) but emphasize a partnership of local private and that previously were seen as just too big to handle as tradi- public institutions that share common themes and actually tional parks. Since then, 27 national heritage areas have been own or manage most of the properties within the heritage established and 36 bills are currently pending in Congress to area. For example, Detroit’s Motorcities National Heritage establish new heritage areas. The majority of existing nation- Area brings together local organizations around the theme al heritage areas are organized around the themes of industri- of automobile history, Dayton’s National Aviation Heritage al and transportation history, but in recent years themes of Area around aviation history, and Pittsburgh’s Rivers of maritime, Civil War battlefield, and agricultural history have Steel Heritage Area around steel heritage. Many heritage been used. areas are located along former canals or waterways and Today, the increasing interest in establishing new heritage include the Augusta Canal (GA), Cane River (LA), areas has challenged both Congress and the NPS to develop Delaware & Lehigh Canal (PA), Illinois & Michigan Canal a legislative framework to set standards for evaluation and (IL), Ohio & Erie Canal (IN), and Schuylkill River (PA). -
Care and Preservation of Furniture and Wooden Objects by Louise Beck, Conservator, the Henry Ford
The Care and Preservation of Furniture and Wooden Objects by Louise Beck, Conservator, The Henry Ford. Introduction Antique furniture and wooden objects can be maintained for years of use and enjoyment provided that some basic care and attention is given to their preservation. The conservation staff at The Henry Ford have compiled the information in this fact sheet to help individuals care for their objects and collections. The first step in the care of collections is to understand and minimize or eliminate conditions that can cause damage. The second step is to follow basic guidelines for care, handling and cleaning. Types of Damage For most antique furniture owners, the desire to both utilize their collections and at the same time preserve them presents a formidable challenge. These two objectives are often at odds with each other. Improper handling/usage/display, environment, cleaning, and repair are the most common causes of damage to furniture and wooden objects. The primary cause of damage to furniture is careless handling and use, resulting in damage to surfaces or structural damage to the object. Inappropriate environment, both in terms of light and relative humidity, can lead to damage. Excessive light can accelerate the aging and degradation of finishes resulting in a cracked, brittle or "alligatored" appearance; it can also cause fading or softening of the finish. Since wood is a porous material it readily absorbs water when humidity levels are high. This absorption of moisture causes wood to swell. Conversely, wood shrinks in a dry environment. The shrinkage of wood in dry environments leads to the formation of structural cracks, lifting veneer and inlays, gaps in joints and the embrittlement of adhesives. -
A Look at Bridges: a Study of Types, Histories, and the Marriage of Engineering and Architecture Cody Chase Connecticut College
Connecticut College Digital Commons @ Connecticut College Architectural Studies Integrative Projects Art History and Architectural Studies 2015 A Look at Bridges: A Study of Types, Histories, and the Marriage of Engineering and Architecture Cody Chase Connecticut College Follow this and additional works at: http://digitalcommons.conncoll.edu/archstudintproj Recommended Citation Chase, Cody, "A Look at Bridges: A Study of Types, Histories, and the Marriage of Engineering and Architecture" (2015). Architectural Studies Integrative Projects. Paper 73. http://digitalcommons.conncoll.edu/archstudintproj/73 This Article is brought to you for free and open access by the Art History and Architectural Studies at Digital Commons @ Connecticut College. It has been accepted for inclusion in Architectural Studies Integrative Projects by an authorized administrator of Digital Commons @ Connecticut College. For more information, please contact [email protected]. The views expressed in this paper are solely those of the author. CODY CHASE SENIOR INTEGRATIVE PROJECT: INDEPENDENT STUDY ARCHITECTURAL STUDIES CONNECTICUT COLLEGE 2015 A"LOOK"INTO"BRIDGES" A"Study"of"Types,"Histories,"and"the"Marriage"of" Engineering"and"Architecture" " Cody"Chase"‘15" Architectural"Studies"Major,"Art"History"Minor" Senior"IntegraHve"Project" " Why Bridges? Where to begin? TYPES OTHER • Arch • Glossary • Beam/Girder/Stringer • Materials • Truss • History of Failures • Suspension • Models • Cable-Stayed • Moveable Span What makes a bridge stand up? FORCES ***Compression: -
Annex 2B: OSB (Oriented Strand Board)
Panel Guide Version 4 Annex 2B: OSB (oriented strand in panels from different manufacturers; in panels from different manufacturers it is possible to obtain ratios board) of property levels in the machine- to cross-direction of Description 1.25:1 to 2.5:1, thereby emulating the ratios found in OSB is an engineered wood-based panel material in plywood. which long strands of wood are bonded together with a synthetic resin adhesive. OSB is usually composed Appearance of three layers, with the strands of the outer two layers OSB is readily identified by its larger and longer wood orientated in a particular direction, more often than strands, compared to particleboard. The orientation not in the long direction of the panel. While there is an of the surface strands is not always visually apparent, orientation, it is often hard to see because there is quite especially in small pieces of panel. The panel tends to a large degree of variability in this orientation among have a number of holes on the surface due to the overlap adjacent strands in the panels from any one production of strands, but a smoother surface can be obtained by line, as well as between panels from different producers. sanding. However, OSB will never possess the smooth- ness of surface found in fibreboards and particleboards: rather its merits lie in the field of mechanical perfor- mance which is directly related to the use of longer and larger strands of wood. OSB varies in colour from a light straw colour to a medium brown depending on species used, resin system adopted and pressing conditions employed. -
Wood Preservation: Improvement of Mechanical Properties by Vacuum Pressure Process
International Journal of Engineering and Applied Sciences (IJEAS) ISSN: 2394-3661, Volume-2, Issue-4, April 2015 Wood Preservation: Improvement of Mechanical Properties by Vacuum Pressure Process Md. Fazle Rabbi, Md. Mahmudul Islam, A.N.M. Mizanur Rahman timber. The amount of damage by the second is negligible in comparison to the first enemies. By applying proper Abstract— Wood, being a biological product, is liable to preservation technique, it is possible to protect the timber deterioration unless it is properly protected. The main reasons of deterioration of timber in service are decay due to fungal from these enemies. Preservation is the only appropriate way infection, attack by insects (borers and white ants), marine to make the timber toxic and protect it [1]. organisms and fire. Protection of wood is carried out from these agents by using preservative which can properly be used by proper design of preservation plant. Proper design of such plant The primary importance of the preservation treatment of is very essential to increase the lifespan of wood economically. wood is to increase the life of the material in service, thus Among the various wood preservation techniques, pressure decreasing the ultimate cost of the product and avoiding the processes are the most permanent technique around the world need for frequent replacements [2]. The extension of the today. In the Full cell process, wood is allowed to absorb as much liquid chemicals as possible during the pressure period, service life of timber by the application of appropriate thus leaving the maximum concentration of preservatives in the preservatives has another significant effect in the field of treated area. -
Wood Properties of Teak (Tectona Grandis) from a Mature Unmanaged Stand in East Timor
J Wood Sci (2011) 57:171–178 © The Japan Wood Research Society 2011 DOI 10.1007/s10086-010-1164-8 ORIGINAL ARTICLE Isabel Miranda · Vicelina Sousa · Helena Pereira Wood properties of teak (Tectona grandis) from a mature unmanaged stand in East Timor Received: May 5, 2010 / Accepted: November 5, 2010 / Published online: March 17, 2011 Abstract The wood quality from 50- to 70-year-old Tectona carpentry. Teak wood is moderately hard and heavy, seasons grandis trees from an unmanaged forest in East Timor was rapidly, kiln dries well, and has overall good machining prop- assessed. The aim was to evaluate teak in mature stands that erties. It is prized mostly for its natural durability and high had undergone uncontrolled disturbances, e.g., fi re and local dimensional stability in association with pleasant aesthetics. community usage. Heartwood represented 91% of the tree Some end-user requirements include high heartwood content radius at a height of 1.7 m, and sapwood contained on average (at least 85%) and wood density (> 675 kg/m3) and suffi cient nine rings. The mean ring width showed within-tree and strength [modulus of rupture (MOR) > 135 N/mm2].1 between-tree variability. The chemical compositions of heart- Teak grows naturally in Southeast Asia and was intro- wood and sapwood were similar. Within-tree chemical varia- duced into other tropical and subtropical regions in Austra- tion occurred only in terms of extractives, which increased lia, Africa, and Latin America. Teak is now one of the most from the pith (8.3%) to the heartwood–sapwood transition important species for tropical plantation forestry, mostly (12.7%) and decreased in the sapwood (9.2%). -
TECO Design and Application Guide Is Divided Into Four Sections
Structural Design and Plywood Application Guide INTRODUCTION Plywood as we know it has been produced since early in the 20th century. It has been in widespread use as sheathing in residential and commercial construction for well over 50 years and has developed a reputation as a premium panel product for both commodity and specialty applications. Structural plywood products give architects, engineers, designers, and builders a broad array of choices for use as subfloors, combination floors (i.e. subfloor and underlayment), wall and roof sheathing. Besides the very important function of supporting, resisting and transferring loads to the main force resisting elements of the building, plywood panels provide an excellent base for many types of finished flooring and provide a flat, solid base upon which the exterior wall cladding and roofing can be applied. This TECO Design and Application Guide is divided into four sections. Section 1 identifies some of the basics in selecting, handling, and storing plywood. Section 2 provides specific details regarding the application of plywood in single or multilayer floor systems, while Section 3 provides similar information for plywood used as wall and roof sheathing. Section 4 provides information on various performance issues concerning plywood. The information provided in this guide is based on standard industry practice. Users of structural-use panels should always consult the local building code and information provided by the panel manufacturer for more specific requirements and recommendations.