(3) Information explaining the use of the tabular data is presented in paragraph (e) of this appendix. (2) Information concerning the basis of the tabular data and the limitations of the data is presented in paragraph (d) of this appendix, and on the tables themselves. Stable rock is exempt from shoring requirements and therefore, no data are presented for this condition. The data are arranged to allow the user the flexibility to select from among several acceptable configurations of members based on varying the horizontal spacing of the crossbraces. Each table presents the minimum sizes of timber members to use in a shoring system, and each table contains data only for the particular soil type in which the excavation or portion of the excavation is made. (1) Information is presented in tabular form in Tables C-1.1, C-1.2 and C-1.3, and Tables C-2.1, C-2.2 and C-2.3 following paragraph (g) of the appendix. Information is presented in several forms as follows: In order to use the data presented in this appendix, the soil type or types in which the excavation is made must first be determined using the soil classification method set forth in appendix A of subpart P of this part. Other timber shoring configurations other systems of support such as hydraulic and pneumatic systems and other protective systems such as sloping, benching, shielding, and freezing systems must be designed in accordance with the requirements set forth in 1926.652(b) and 1926.652(c). This appendix must be used when design of timber shoring protective systems is to be performed in accordance with 1926.652(c)(1). This appendix contains information that can be used when timber shoring is provided as a method of protection from cave-ins in trenches that do not exceed 20 feet (6.1 m) in depth. **Moisture can add or reduce these actual measurements by as much as 6%.(a) Scope. For the exact sizing of your order please refer to your specific order and if you have any questions make sure to ask prior to ordering. *This page is meant to be a resource for sizing. Please Note: We have full milling capabilities and can reduce any of these sizes to any specific needs your job may require. Seven and one-Quarter Inches by Seven and one-Quarter Inches Three and One-half inches by Eleven and One-Quarter Inchesįive and One-Quarter Inches by Five and One-Half Inchesįive and One-Quarter Inches by Seven and One-Quarter Inchesįive and One-Quarter Inches by Nine and One-Quarter Inchesįive and One-Quarter Inches by Eleven and One-Quarter Inches Three and One-half inches by Nine and One-Quarter Inches Three and One-half Inch by Seven and One-Quarter Inches Three and One-Half Inch by Five and One-Half Inches Three and One-half Inch by Three and One-Half Inches Two and One-half Inches by Seven and One-Quarter Inches Two and One-half Inches by Five and One-Half Inches One and One-half inches by Eleven and One Quarter Inches One and One-half Inches by Nine and One-Quarter Inches One and One-half Inches by Seven and One-Quarter Inches One and One-half Inches by Five and One-Half Inches One and One-half Inches by Three and One-Half Inches One and One-half Inches by One and One-half Inches One Inch by Eleven and One-Quarter Inches Three-Quarter Inch by Eleven and One Quarter Inches Three-Quarter Inch by Nine and One Quarter Inches Three-Quarter Inch by Seven and a Quarter Inches Three-Quarter Inch by Five and One-Half Inches Three-Quarter Inch by Three and a Half Inches We also have a master ipe price list available. Make sure if you have any questions to contact us prior to ordering. Understanding Nominal vs Net Sizesīelow you see an actual list of nominal dimensions and actual sizes for our Ipe. If not otherwise indicated all sizes are nominal. So we list every item in the actual size and the nominal size. We have considered not using Nominal Dimensions, however, we decided it would be more confusing for professionals than it would be helpful for novice consumers. As a consumer, it is important to understand the difference. There were some lawsuits against Home Depot and Menards in 2017 that resulted in the Nominal size use being upheld as an industry standard. Actual sizes can vary depending on where the wood is stored and installed due to the expansion and contraction of natural wood. It also addresses the shrinkage and expansion of the boards that is caused by less or more humidity. Simply instead of having to say “let me get three-quarters by three and one-half inches” you can simply say “one by four”. Nominal sizes are simplified ways to reference not actual sizes. For anyone not in the lumber and construction industry, this can be confusing. The entire wood industry uses what is known as nominal sizes.
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