Search results with tag "Douglas fir"
Solution to STAT 350 Exam 2 Review Questions (Spring …
www.stat.purdue.eduDouglas fir. Type of Wood Sample Size Sample Mean s Red oak 50 8.51 1.52 Douglas fir 62 7.69 3.25 a) Find a 90% confidence interval for the difference between true average proportional stress limits for the Red oak and that for the Douglas fir. Interpret your result.
CROSS-LAMINATED TIMBER - BRE
www.bre.co.ukfir, silver fir, Douglas fir, pine or other timbers. While C24-grade timber is often used, there has been an increase in the use of C16 timber. As the latter is more readily available in the UK, manufacture of CLT panels may become more feasible in future; at the time of writing, all panels are imported (eg from Germany, Austria and Switzerland).
Installation Manual
downloads.hearthnhome.com*Weighted average LHV efficiencyusing Douglas Fir dimensional lumber and data collected during EPA emissions test. **Weighted average HHV efficiencyusing Douglas Fir dimensional lumber and data collected during EPA emissions test. ***Efficienciesare based on test results calculated using B415; these calculated efficienciesare then used to
Identifying and Managing Christmas Tree Diseases, Pests ...
catalog.extension.oregonstate.edu• Douglas-firAt bud break, spray fungi-cide (if needed) to prevent infection. • Remove and destroy severely infected trees prior to bud break. • Plant resistant or tolerant tree varieties; avoid Douglas-fir from Rocky Mountain seed sources, unless tested. only
Prescriptive Residential Wood Deck Construction Guide
www.awc.org4. Incising assumed for Douglas fir-larch, hem-fir, and spruce-pine-fir. 5. Design values based on northern species with no incising assumed. 6. Ledger shall be a minimum of 2x8 nominal. Where guards are required, outside joists and rim joists shall be a minimum of 2x8 nominal. 7. Joist length prescriptively limited to 18'-0" for footing design ...
[Ref. Table R602.3.5] [Ref. Tables R502.5(1) and R502.5(2 ...
media.iccsafe.orgTABLE 6-5 Girder spans and header spans for exterior bearing walls (maximum spans for # 2 grade Douglas fir-larch, hem-fir, southern pine, and spruce-pine-fir and required number of jack studs) Girders and Headers Supporting SIZE Ground Snow Load (psf) 30 Building Width (feet) 28 36 Span Jack Studs Span Jack Studs Roof and ceiling 2- 2 8 5–11 ...
Standard Dimensions for Furniture Design
www.cawspi.orgDouglas Fir Hard Maple (Sugar) White Oak White Ash Shortleaf Pine alack Walnut Yellow Poplar alack Cherry Red Oak White Fir Ponderosa Pine White Pine Western Red Cedar Modulus of Elasticity (E) 2 .01 1.95 1.83 1.78 1.77 ... Standard Standing Height: Dimensions of Bookcases and Shelves Bookcase 30" 8" 24" 30" 36" 6" 24" 72" 30" 36" 10" 36" 84 ...
Introduction to Railroad Track Structural Design
web.engr.uky.edu1200 psi for longleaf yellow pine, 900 psi for douglas fir, and 1400 psi for oak) 27 • “Optimal” tie length Source: Hay, W.W., Railroad Engineering, 1982. 28 Practical Design • Load distribution – Bearing area is ⅔ of tie length (tamping zone), so A' b = ⅔Lb
Porch Construction Drawings - Pima County
webcms.pima.gov5. All wood to be Douglas Fir #2 or better 6. Framing based on a 30 lbs load 7. Minimum ceiling height 7 ft, 6ft-6inch to beam 8. Max height of column …
American Elk - USDA
www.nrcs.usda.govTransitional range • Douglas fir, aspen/pine, and other woodland communities intermixed with open pasture Security cover • Forest stands of varying ages, briar thickets, downed woody material, dense brush and expansive shrub communities Water • Springs, lakes, wetland ponds, rivers, streams, vegetation and snow.
INFORMATION SPECIFICATIONS FOR Patio Covers 206
www.sandiego.govB. Lumber must be Douglas fir-larch No. 2 or better. All lumber must be grade-marked. Joists, girders, and posts may be required to be protected against decay and ter-mites. (CBC Section 2304.11). C. Post size is based on the height of the floor above the slab (at the highest point): 0 to 8 feet high: 4x4 minimum, 8 to 10 feet high: 6x6 minimum D.
STRUCTURAL DESIGN CALCULATIONS
www.eengineersonline.com2003 international building code® 465 wood table 2306.3.1 recommended shear (pounds per foot) for wood structural panel diaphragms with framing of douglas-fir-larch, or southern pine