Rules & Regulations of the State of Tennessee
Title 0080 - Department of Agriculture
Subtitle 0080-07 - Forestry
Chapter 0080-07-07 - Native Species Lumber
Section 0080-07-07-.08 - SELLING AND USING CERTIFIED LUMBER
Current through September 24, 2024
(1) The sawmill providing graded lumber shall provide a written summary that includes the following information:
Table 5 Design Values of Species Groups for #2 and Better Grade
Species Group Name |
Design Values (psi) |
|||||||
Bending |
Tension Parallel to Grain |
Shear Parallel to Grain |
Compression Perpendicular to Grain |
Compression Parallel to Grain |
Modulus of Elasticity |
Specific Gravity |
||
Fb |
Ft |
Fv |
Fc[PERPENDICULAR] |
Fc[PARALLEL] |
E |
Emin |
G (od m/v) |
|
Bald Cypress |
825 |
450 |
160 |
615 |
900 |
1,300,000 |
470,000 |
0.47 |
Beech- Birch- Hickory |
1,000 |
600 |
195 |
715 |
750 |
1,500,000 |
550,000 |
0.71 |
Cottonwood |
625 |
350 |
125 |
320 |
475 |
1,100,000 |
400,000 |
0.41 |
Eastern Softwoods |
575 |
275 |
140 |
335 |
825 |
1,100,000 |
400,000 |
0.36 |
Mixed Maple |
700 |
425 |
195 |
620 |
550 |
1,100,000 |
400,000 |
0.55 |
Mixed Oak |
800 |
475 |
170 |
800 |
625 |
900,000 |
330,000 |
0.68 |
Mixed Southern Pine |
750 |
450 |
175 |
565 |
1,250 |
1,400,000 |
510,000 |
0.51 |
Yellow Poplar |
700 |
400 |
145 |
420 |
575 |
1,300,000 |
470,000 |
0.43 |
(2) Upon request, the end user shall provide a copy of the summary, and information about the design values of the lumber shown on Table 5 based on its designated species group shown on Table 6.
Table 6 Species Groups and Component Species, including Species not in the National Design Supplement (*TN Species)
Species Group |
Common Name |
Scientific Name |
Grading Agency*** |
Baldcypress |
Baldcypress |
Taxodium distichum |
SPIB |
Beech - Birch - Hickory |
American Beech |
Fagus grandifolia |
NELMA |
Bitternut Hickory |
Carya cordiformis |
||
Mockernut Hickory |
Carya tomentosa |
||
Nutmeg Hickory |
Carya myristiciformis |
||
Pecan Hickory |
Carya illinoinensis |
||
Pignut Hickory |
Carya glabra |
||
Shagbark Hickory |
Carya ovata |
||
Shellbark Hickory |
Carya laciniosa |
||
Sweet Birch |
Betula lenta |
||
Water Hickory |
Carya aquatica |
||
Yellow Birch |
Betula alleghaniensis |
||
Black Walnut |
Juglans nigra |
*TN Species |
|
Black Locust |
Robinia pseudoacacia |
||
Honeylocust |
Gleditsia triacanthos |
||
Cottonwood |
Cottonwood |
Populus deltoides |
NSLB |
Basswood |
Tilia americana |
*TN Species |
|
Eastern Softwoods |
Balsam Fir |
Abies balsamea |
NELMA, NSLB |
Black Spruce |
Picea mariana |
||
Eastern Hemlock |
Tsuga canadensis |
||
Eastern White Pine |
Pinus strobus |
||
Jack Pine |
Pinus banksiana |
||
Red Pine |
Pinus resinosa |
||
Pitch Pine |
Pinus rigida |
||
Red Spruce |
Picea rubens |
||
Tamarack |
Larix laricina |
||
White Spruce |
Picea glauca |
||
Mixed Maple |
Black Maple |
Acer nigrum |
NELMA |
Red Maple |
Acer rubrum |
||
Silver Maple |
Acer saccharinum |
||
Sugar Maple |
Acer saccharum |
||
Sycamore |
Platanus occidentalis |
*TN Species |
|
Black Tupelo |
Nyssa sylvatica |
||
Water Tupelo |
Nyssa aquatica |
||
Southern Magnolia |
Magnolia grandiflora |
||
Cucumbertree |
Magnolia acuminata |
||
Hackberry |
Celtis occidentalis |
||
American Elm |
Ulmus americana |
||
Rock Elm |
Ulmus thomasii |
||
Slippery Elm |
Ulmus rubra |
||
Black Cherry |
Prunus serotina |
||
Mixed Oak |
Black Oak |
Quercus velutina |
NELMA |
Cherrybark Oak |
Quercus falcata var. pagodaefolia |
||
Northern Red Oak |
Quercus rubra |
||
Southern Red Oak |
Quercus falcata |
||
Laurel Oak |
Quercus laurifolia |
||
Pin Oak |
Quercus palustris |
||
Scarlet Oak |
Quercus coccinea |
||
Water Oak |
Quercus nigra |
||
Chestnut Oak |
Quercus prinus |
||
Live Oak |
Quercus virginiana |
||
Post Oak |
Quercus stellata |
||
Swamp Chestnut Oak |
Quercus michauxii |
||
White Oak |
Quercus alba |
||
Bur Oak |
Quercus macrocarpa |
||
Overcup Oak |
Quercus lyrata |
||
Swamp White Oak |
Quercus bicolor |
||
Mixed Southern Pine |
Longleaf Pine |
Pinus palustris |
SPIB |
Slash Pine |
Pinus elliotti |
||
Shortleaf Pine |
Pinus echinata |
||
Loblolly Pine |
Pinus taeda |
||
Pond Pine |
Pinus serotina |
||
Virginia Pine |
Pinus virginiana |
||
Yellow Poplar |
Yellow Poplar |
Liriodendron tulipifera |
NSLB |
Sweetgum |
Liquidambar styraciflua |
*TN Species |
|
Honeylocust |
Gleditsia triacanthos |
||
Blue Ash |
Fraxinus quadrangulata |
||
Black Ash |
Fraxinus nigra |
||
Green Ash |
Fraxinus pennsylvanica |
||
White Ash |
Fraxinus americana |
Authority: T.C.A. §§ 4-3-203 and 43-28-313.