HomeMy WebLinkAbout004-S01 Structural NotesGENERAL FRAMING NOTES:
1. ALL FRAMING SHALL BE IN ACCORDANCE WITH IRC TABLE R602.3(1) "FASTENING SCHEDULE OF STRUCTURAL MEMBERS" UNLESS INDICATED OTHERWISE.
2. ALL FRAMING LUMBER SHALL MEET OR EXCEED THE FOLLOWING SPECIFICATIONS:
A. WALL FRAMINGa. Exterior Wall Studs: Spruce Pine Fir No. 2 or Better b. Interior Wall Studs: Spruce Pine Fir No. 2 or Betterb. Bottom & Top Plates: Spruce Pine Fir No. 2 or Better c. Headers: (2)2X6 BUILT UP HEADER, Douglas Fir Larch No. 2 or Better - U.N.O.c. All Exterior wall types to be CS-WP ; 8d Nails @ 6" Edge / 12" Field pattern, blocking as noted on Plan. NOTE: VERIFY SHEAR WALL BLOCKING LOCATIONS; SEE SHEAR WALL PLAN
B. FLOOR FRAMINGa. Main Floor Concrete Slabb.Second Floor Joists: 16" TJI SERIES 230 @ 16" O.C.
C. STRUCTURAL SHEATHINGa. Exterior Wall Sheathing: 24/16 Rated 7/16" OSB (or CDX)b. Floor Sheathing: 48/24 Rated 3/4" T&G OSB (Glued and Nailed)c. Roof Sheathing: 32/16 Rated 15/32" OSB w/ clips or 5/8" OSB with no clips.
3. ALL WALLS SHALL HAVE A MAXIMUM STUD SPACING OF 2'-0" OC. WHERE 2'-0" SPACING IS PROVIDED, WALL FRAMING SHALL BE LAID OUT IN COORDINATION WITH FLOOR FRAMING MEMBERS SO THAT FLOOR FRAMING STACKS DIRECTLY OVER WALL STUDS.
4. ALL EXTERIOR WALLS SHALL BE SHEATHED ON THE EXTERIOR FACE AND FASTENED TO FRAMING MEMBERS WITH 8D NAILS AT 6" ON CENTER AT SUPPORTED PANEL EDGES AND 12" ON CENTER AT INTERMEDIATE SUPPORTS UNLESS OTHERWISE INDICATED BY SHEARWALL DESIGNATION.5. FLOOR SHEATHING SHALL BE GLUED AND NAILED TO FRAMING MEMBERS WITH 8D RING SHANK NAILS AT 6" ON CENTER AT SUPPORTED PANEL EDGES AND 12" ON CENTER AT INTERMEDIATE SUPPORTS.
6. ALL STRUCTURAL HANGERS AND CONNECTORS SHALL BE BY SIMPSON STRONG TIE OR USP EQUIVELENT.
7. SEE TRUSS MANUFACTURERS DRAWINGS FOR LAYOUT, BRACING AND UPLIFT CONNECTIONS.
8. ALL HEADERS SHALL BE A MINIMUM OF (2) 2X6 DF No. 2 OR BTR SUPPORTED BY A SINGLE TRIMMER AND A SINGLE KING STUD. U.N.O.
9. HEADERS GREATER THAN 6'-0" SHALL HAVE AN ADDITIONAL KING STUD.
4. CONNECT BUILT-UP POSTS WITH NAILS OR BOLTS TO ALLOW FINISHED MEMBER TO ACT COMPOSITELY.
COMPLY WITH THE REQUIREMENTS OF THE LATEST EDITION OF THE NDS, BUT IN NO CASE LESS THAN
THE FOLLOWING:
°2 PLY 2X4: ONE ROW OF STAGGERED 10d COMMON NAILS @ 12" O.C., SPACED @ 1 1/2" HORIZ.
AND 6" VERT., CENTERED ON MEMBER, WITH ADJACENT NAILS DRIVEN FROM OPPOSITE SIDES OF THE BUILT-UP MEMBER
°2 PLY 2X6: ONE ROW OF 10d COMMON NAILS @ 16" O.C., SPACED @ 2 1/2" HORIZ. AND 8" VERT.,
CTRD. ON MEMBER
WOOD FRAMING - (CONTINUED):
GLUE LAMINATED FRAMING
1. GLUE LAMINATED WOOD MEMBERS SHALL BE DOUG. FIR, 24FV4, UNLESS NOTED OTHERWISE, MANUFACTURED AND
MARKED IN ACCORDANCE WITH AITC STANDARDS. USE EXTERIOR GLUE ONLY. INSTALL GLU-LAM BEAMS IN
ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS.
2. EXPOSED GLU-LAM BEAMS SHALL CONFORM TO AITC, ARCHITECTURAL APPEARANCE GRADE.
3. UNLESS INDICATED OTHERWISE, PROVIDE AT ALL GLU-LAM BEARING POINTS SOLID SAWN OR BUILT-UP POSTS HAVING
THE MINIMUM DIMENSIONS EQUAL TO THE WALL WIDTH BY THE GLU-LAM WIDTH.
%%UPRE-FABRICATED I-JOISTS/RAFTERS AND LAMINATED VENEER LUMBER
1. PROVIDE FLOOR JOISTS OF THE DEPTH, GRADE, AND SPACING INDICATED ON THE PLANS, OR APPROVED EQUAL.
2. INSTALL JOISTS IN ACCORDANCE WITH THE MANUFACTURER'S INSTALLATION INSTRUCTIONS, INCLUDING TEMPORARY
BRIDGING, BRACING, OR BLOCKING, TO ENSURE STABILITY DURING INSTALLATION.
3. LAMINATED VENEER LUMBER (LVL) SHALL BE "PARALLAM", "MICROLAM", "RIGIDLAM" OR APPROVED EQUAL, INSTALLED
IN ACCORDANCE WITH THE MANUFACTURER'S RECOMMENDATIONS.
4. JOIST BRIDGING SHALL BE PROVIDED AS INDICATED AND AS REQUIRED BY THE MANUFACTURER.
1. ALL NAILED CONNECTIONS WERE DESIGNED BASED ON THE CAPACITY OF BOX NAILS OF THE SIZES
INDICATED.
2. STEEL CONNECTION PLATES, IF REQUIRED, SHALL COMPLY WITH ASTM A36, U.N.O.
3. SIMPSON CONNECTORS: FILL ALL HOLES WITH FASTENERS AS RECOMMENDED BY SIMPSON. PROVIDE
FINISH FOR EXPOSED CONNECTORS TO COMPLY WITH ARCHITECT'S OR OWNER'S REQUIREMENTS.
4. WHERE BOLTING IS USED, PROVIDE BOLT HOLES IN WOOD MEMBERS HAVING A DIAMETER 1/16" LARGER THAN
THE BOLT DIAMETER. PROVIDE WASHERS BENEATH THE HEADS OF ALL THROUGH AND LAG-BOLTS BEARING
ON WOOD.
5. ALL NAILING SHALL COMPLY WITH 2021 IBC TABLE 2304.9.1., U.N.O.
1. ALL SAWN LUMBER WAS DESIGNED BASED ON NATIONAL DESIGN SPECIFICATION (N.D.S.) - PUBLISHED
DESIGN VALUES OF VISUALLY-GRADED LUMBER ACCORDING TO THE PROVISIONS OF THE WESTERN WOOD PRODUCTS
ASSOCIATION (WWPA) GRADING RULES. ALL LUMBER SHALL MEET OR EXCEED THE GRADES INDICATED IN ITEM 2 BASED
ON THE WWPA GRADING RULES.
2. PROVIDE SAWN LUMBER OF THE FOLLOWING SPECIES AND GRADES:
°SILL PLATES IN CONTACT W/ CONCRETE: HEM FIR, NO. 2-PRESSURE TREATED
°BEARING WALL STUDS: DOUGLAS FIR-LARCH (DF-L) NO. 2, U.N.O.
°T.O.W. PLATES, BLOCKING, AND OTHER NON-WALL STUD MATERIAL: DOUG. FIR-LARCH, STUD GRADE
°4X AND LARGER POSTS: DOUG. FIR-LARCH, NO. 1
3. PROVIDE HEADERS, BEARING STUDS, AND KING STUDS AT CONVENTIONALLY-FRAMED BEARING WALL
OPENINGS PER THE WALL OPENING HEADER SCHEDULE, UNLESS INDICATED OTHERWISE ON THE
DRAWINGS:
°3 PLY 2X4: ONE ROW OF STAGGERED 30d COMMON NAILS EA. SIDE @ 12" O.C., SPACED @ 1 1/2" HORIZ. AND 6" VERT.,
CENTERED ON MEMBER, WITH ADJACENT NAILS DRIVEN FROM OPPOSITE SIDES OF THE BUILT-UP MEMBER
°3 PLY 2X6: TWO ROWS OF 30d COMMON NAILS @ 8" O.C., EA. SIDE, SPACED @ 2 1/2" HORIZ.
1. PLACE THE INDICATED ROOF SHEATHING WITH THE LONG AXIS OF THE PANELS PERPENDICULAR TO THE
DIRECTION OF THE SUPPORT FRAMING, AND STAGGER 48". BLOCK EDGES OF ROOF SHEATHING AS
INDICATED ON THE FRAMING PLANS.
2. SHEAR WALL SHEATHING SHALL BE ORIENTED PARALLEL OR PERPENDICULAR TO THE WALL STUD
FRAMING DIRECTION. BLOCK ALL EDGES OF SHEAR WALL SHEATHING. NAIL PER 2021 IB 2304.9.1.
3. DRIVE WOOD PANEL SHEATHING NAILS FLUSH WITH, BUT NOT PENETRATING THE FACE OF THE WOOD SURFACE.
WOOD FRAMING
SAWN LUMBER
ROOF AND SHEAR WALL SHEATHING
CONNECTIONS
PER IRC 402.1.1 = ALL FASTENERS INTO TREATED LUMBER SHALL BE STAINLESS STEEL, COPPER OR SILICON BRONZE OR HOT DIPPED GALVANIZED. (NO ELECTROPLATED GALVINZIED)
1. A GEOTECHNICAL LETTER WILL BE PREPARED FOR THE SITE AS REQUIRED.
2. SPREAD FOOTING FOUNDATIONS WERE DESIGNED BASED ON AN ALLOWABLE BEARING PRESSURE OF 1500 PSFBEARING ON COMPACTED STRUCTURAL FILL SUPPORTED DIRECTLY BY NATIVE GRAVELS.
3. CONTACT GEOTECHNICAL ENGINEER UPON COMPLETION OF SUBGRADE EXCAVATION AND PRIOR TO FOUNDATIONINSTALLATION TO SCHEDULE A COMPACTION TESTING.
4. BACKFILL FOUNDATION WALLS EQUALLY EA. SIDE OF WALL OR ONLY AFTER FLOOR HAS BEEN INSTALLED, ANDCOMPACT TO 90% ASTMD-698.
1. CONCRETE PROPERTIES SHALL MEET THE REQUIREMENTS OF THE FOLLOWING TABLE. AT LEAST 10 WORKING DAYSPRIOR TO ORDERING AND PLACING CONCRETE, CONTRACTOR SHALL SUBMIT CONCRETE MIX DESIGNS TO THE ENGINEERFOR APPROVAL. MIX DESIGN SUBMITTALS SHALL INCLUDE THE MIX DESIGN IDENTIFICATION NUMBER, THE PROPOSEDCONSITUENTS OF THE CONCRETE MIX TO MEET THE REQUIREMENTS OF THE FOLLOWING TABLE, AND A MINIMUM OFTHREE TEST RESULTS OF CONCRETE OF THE SAME MIX DESIGN AS SUBMITTED INDICATING A RECORD OF SATISFACTORYPERFORMANCE ON STRUCTURES SIMILAR IN NATURE TO THIS PROJECT.
2. CONCRETE REINFORCING SHALL BE WIRED INTO PLACE PRIOR TO PLACING CONCRETE, MEETING THECLEARANCE REQUIMENTS (ACI 7.7):
* * THE ADDITION OF WATER TO A CONCRETE BATCH AT THE JOBSITE WILL ONLY BE ALLOWED IF THE W/C RATIO WAS NOTACHIEVED DURING INTIAL BATCHING OPERATIONS, AS INDICATED ON THE DELIVERY TICKET.
* MAX. SLUMP MAY BEINCREASED WITH THEADDITION OF ASUPER-PLASTICIZINGADMIXTURE TO ACHIEVE ASLUMP NOT GREATERTHAN 8", UPON PRIORAPPROVAL BY THEENGINEER.
FOOTINGS/FOUND. WALLSCAST-IN PLACE CONCRETE
MIN. 28-DAYCOMPRESSIVE STRENGTH3000 PSI
3/4"
5% +/- 1%
3"
.50 MAX
MAX. AGGREGATE SIZE
% AIR CONTENT
MAX. SLUMP *
W/C RATIO * *
SLABS ON GRADE
4000 PSI
3/4"
5% +/- 1%
3"
.45 MAX
FOUNDATIONS:
CONCRETE:6000 PSICONC. DESIGN STRENGTH
OTHER BAR
TOP BAR *GR 60 2'-7"
2'-0"
3'-8"
2'-10"
1'-3"
1'-0"1'-4"1'-8"
2'-1"1'-8"
* TOP BARS ARE HORIZONTAL BARS WITH MORE THAN 12 INCHES OF CONCRETE CAST BELOW THE BARS.
* * INCREASE LAP LENGTHS SHOWN ABOVE BY 25% WHERE BARS ARE SPACED CLOSER THAN 2" O.C. OR WHERE EDGE OFBAR MEASURED IN DIRECTION OF SPACING IS LESS THAN 5/8" FROM FACE OF MEMBER.
3. CONCRETE REINFORCING SHALL BE GRADE 60, ASTM A615.
4. CONCRETE REINFORCEMENT VERTICAL WALL DOWELS SHALL BE FABRICATED WITH STANDARD HOOKS ASPRESCRIBED BY THE CONCRETE REINFORCING STEEL INSTITUTE (CRSI).
5. REINFORCEMENT LAP LENGTHS AT DISCONTINUOUS BARS SHALL COMPLY WITH THE FOLLOWING TABLE:
6. WALL DOWELS SHALL BE THE LENGTH INDICATED, OR THE LENGTH INFERRED FROM THE DRAWINGS, COMPLYING WITHCLEAR COVER REQUIREMENTS NOTED ABOVE.
7. SUPPORT REINFORCING WITH PLASTIC CHAIRS OR CONCRETE DOBBIES. METAL REINFORCEMENT SUPPORTS WILLNOT BE ALLOWED WITHOUT PRIOR APPROVAL FROM THE ENGINEER.
8. AT ALL FOUNDATION WALL AND FOOTING CORNERS AND INTERSECTIONS, PROVIDE CORNER BARS TO MATCH THEHORIZONTAL REINFORCING. COMPLY WITH THE LAP LENGTH REQUIREMENTS NOTED ABOVE TO FABRICATE THE CORNERBARS REQUIRED.
9. WHERE HOLDOWN DEVICES OR EMBEDDED POST BASES ARE INDICATED ON THE FOUNDATION PLAN, WIRE THE ITEMSIN PLACE PRIOR TO PLACING CONCRETE. PROPERLY CONSOLIDATE THE CONCRETE IN THE VICINITY OF THE EMBEDDEDITEMS TO ENSURE ADEQUATE BONDING WITH THE CONCRETE.
10. PROVIDE CURING FOR ALL CONCRETE TO PREVENT DRYING SHRINKAGE, USING AN APPROVED CURING COMPOUND,MOISTURE RETAINING COVER, CONTINUOUS MOISTURE APPLICATION (FLOODING), OR OTHER METHOD APPROVED BYTHE ENGINEER. MOIST CURING SHALL BE PERFORMED FOR A MINIMUM OF 7 DAYS.
11.COLD WEATHER CONCRETING: COMPLY WITH THE REQUIREMENTS OF ACI 306 FOR CONCRETING DURING COLD
WEATHER. COLD WEATHER IS DEFINED AS A PERIOD OF TIME WHEN THE TEMPERATURE DROPS BELOW 40°F FOR THREECONSECUTIVE DAYS.
12.
HOT WEATHER CONCRETING:
COMPLY WITH THE REQUIREMENTS OF ACI 305 FOR CONCRETING DURING HOT, WINDY,AND/OR DRY WEATHER, TO PREVENT CRACKING DUE TO DRYING SHRINKAGE.
DETAIL OF REINFORCEMENT - LAP LENGTHS * *
BAR SIZE
CONC. DESIGN STRENGTH
GR 60 TOP BAR *
OTHER BAR
#3 #4 #5
3000 PSI
2'-5"3'-0"
2'-4"1'-10"1'-5"
1'-10"
#7#6
4'-0"
5'-3"
2'-9"
3'-7"
4000 PSICONC. DESIGN STRENGTH
OTHER BAR
TOP BAR *GR 60 3'-1"
2'-5"
4'-6"
3'-6"
1'-7"
1'-4"1'-7"2'-0"
2'-7"2'-1"
DRAWN BY:
SCALE: FOR CONSTRUCTIONPROJECT:
pobox 2016 Bozeman, MT 59771(406)531.9671 millerdesignbuild@gmail.com
DATE:PROJECT NO
REVISION DATE
As indicated
s0.1
Author
Structural
Notes
Garage / ADURemodel
116 (114 ADU) S. 11th AveBozeman, MT 59715
11224-22-2023
1/4" = 1'-0"PROJECT SPECIFIC FRAMING NOTES
12" = 1'-0"1NOTES - WOOD FRAMING
6" = 1'-0"2SOIL / CONCRETE SPECS