HomeMy WebLinkAboutCorrespondence - TrussesColleen W¡rth
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carl damerau <damerau64@gmail.com >
Monday, October 25,2021 10:34 AM
Andy Schwaller
fExternal] Truss Modification (Repair Drawings) for 481 County Road 112, Carbondale
81623 - Permit No BLRE-I1-20-6566
R68'1 03628.9361 .pdf
1
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IItll
MiTek'
MiTek USA, lnc.
MiTek USA, lnc.
400 Sunrise Avenue, Suite 270
Roseville, CA 95661
Telephone 91 6-755-3571
Re: 9361
CARL DAMERAU
Tlre truss drawing(s) referenced below have been prepared by MiTek USA, Inc. under my direct supenision
based ontlre parameters providedby Trusfab, Inc..
Pages orsheets coveredby tlús seal: R68103628 thru R68103628
Mv license renewal date for the state of Colorado is October 31,2023.
September 23,202I
Baxter, David
¡MPORTANT NOTE: r¡re seal on these truss component designs is a certification
that tho onginoor named is licensed in the jurisdiction(s) identified and that the
designs comply with ANSI/TPI 1. These designs are based upon parameters
shown (e.g., loads, supports, dimensions, shapes and design codes), which were
given to MiTek or TRENCO. Any project spec¡fic information included is for MiTek's or
TRENCO's customers file reference purpose only, and was not taken into account in the
preparation of these designs. MiTek or TRENCO has not independently verified the
applicability of the design parameters or the designs for any particular building. Before use,
the building designer should verify applicability of design parameters and properly
incorporate these designs into the overall building design per ANSI/TPI 1, Chapter 2.
RF
1004869 m¡o
0
Job
9361
lrruss
lo*
TrusTtpe
COMMON
Qty
12
Yty
1
CARL DAMERAU
R68103628
S€le = 1:51.7lôh Rêferêncê foDtionall
2021 nc.co
6-1-12ta-12
4.oo¡l
D
3x10 = L
4xO --
E 3x4\
5x6
2-0-0
o
3x4 /¿
c
M
3x10 =
F
U
R z4 //
4x6 'z , 5x8 :\
ruJ-
JI{-Nt;
K
3x12 M'|8SHS =
J
3x4 =
5x8
P o JXþ -
1.5x4 Il 3x4 =
REPAIR:LOCATION AS SHOì,À/I],
NSTALL 2 X 4 SPF/DF/SP NO.2 CUT TO Ft-|TIGHT
ATTACH 1t2"PLYWOOD OR osB GUSSET r15132" RATED SHEATHINC 32¡6 EXP 1
à.s" vrr'1.) n¡lrs peR THE FoLLowNG
)
NAILTOEACHFACEOFIRUSSwïH (0.
3 ROWS,
131',X scH EDULE]
2 X 2 ROWS,2 X 2 x 6'S AND LARGER 4 ROWS:SPACED @ 4"
NAILS TO BE DRIVEN FROM BOTH FACES.STAGGER SPACING FROM FRONT TO BACK FACE
FOR NET 2"o.c.SPACI NG IN EACH COVERED TRU MEMBER.U SE 2',M EIVBER END DI STANCE.
+.+
++
+++
+
3ù7-0
tn
-0.15
-0.3'1
0.07
0.06
(loc) l/defl Ud
t-J >999 360
t-J >999 180I nla nla
J-L >999 240
DEFL,
Vert(LL)
Vert(CT)
Horz(CT)
Wnd(LL)
SPACING- 2-O-0
Plate Grip DOL 1.00
Lumber DoL 1-00
Rep Stress lncr YES
code lRC2015iIP12014
csl.
TC
BC
\its
Matrix-S
0.23
058
064
LOADING (psf)
TCLL 40.0
(Roof Snow=40.0)TCDL 10 0
BCLL O.O
LUMBER-
TOP CHORD
BOT CHORD
V\EBS
SLIDER
REACTIONS,
FORcEs. (rb)
TOP CHORD
BOT CHORD
WEBS
PLATES
tvtT20
I\I183HS
GRIP
169t123
197 1144
BRACING-
TOP CHORD
BOT CHORD
Weìght: 157 b Fr =20%
Structural wood sheath¡ng d¡rectly applied or 5-1-5 oc purlins'
except end verticals.
Rigid ceiling d¡reôtly applied or 6-0-0 oc bracing.
September 23,2021
[PSA]2x6 DF 2100F 1.8E
2x4 SPF 2100F '1.8E
2x4 VWV Stud "Except"
$M,F-1. 2x4 SPF 2100F 1 8E
Right 2xB DF 1950F 1.782-11-4
(lb/size) l=1653/0-5-8, N=197210-5-8
lVax Hoz N=-116(LC 12)
Max Uplift l=-164(LC 14), N=-256(LC 1a)
Max Grav l=1674(Lc 19), N=1972(LC 1)
Nlax. Comp.lMax. Ten. - All forces 250 (lb) or less except when shown
B-o=- 1 86å/220, Q-R= - 17 66t227, GR=- 1 748236, GS=-2040/291, D-s=- 1 943/30 1,
li=-lg43lsll, E-T=-19591302, E-F=-2o39t295' F-U=-3079/382, G-U=-3231t372'
G-H=-3580i464, H-l=-3674/450
M-Ñ=-640/2 1 5, L- v =- t t sn oz¡, K-L:245t 2821, J -K= -24512821, l-J=-370/3341
é-é ãs¡rrq, g-t4=-sts¿+so, Çtlt--751t167, c-L=-106/436, D-L=-47i693, F-L=-13271182'
F - J=At 443, G-J=-406i1 56, B-N=-1763/383
NOTES.
1) Wnd: ASCE 7-10; Vultrl15mph Vasd=91mph, TCDL=5.Opsf; BcDL=5.Opsf, n=zsft; B=a?f! f31ft' eave=4ft; Cat ll; Exp ci
Enctosed, MVyFRS (d¡rect¡onuD unã c-C Ai"rior(2) o-1-1ito 3-2-7, lnter¡o('1) 3-2-7 to 13-5-0, Exterio(2) 13-5-0 to 16-5-1 1,
lnterio(1 ) 1 6-5-1 1 to 30-4-4 zone;cantilever left and right exposed ; end vertical left and right exposed:c-c for members and forces
a MVI/Fiì.S for react¡ons shown; Lumber DOL=1.33 plate gr¡p DOL=1 33
2) TCLL: ASCE 7-10; Pf=40.0 psf (flat Íoof snow), Category ll; Exp C; Fully Exp ; C't=1 00
3) Unbalanced snow loads have been cons¡dered for th¡s design'
4) All plates are MT2O plates unless otheM¡se indicated.
5) N/A
6) The Fabricat¡on Tolerance at jo¡nt B = 0%, joint M -- 14%
zj This truss has been des¡gned lor a t0.0 psi bottom chord live load nonconcurrentwith any other live loads
B) * This truss has been oes¡gne¿ àia live'loaà of 2o.0psl on the bottom chord ¡n all areas where a rectangle 3-6-0 tall by 2-0-0 w¡de
will fit bet\iveen the bottom chord and any other members
9) prov¡de mechanical connection (by otheis) of truss to beaÍ¡ng plate capable of withstanding 164 lb upl¡ft at.ioint I and 256 lb uplift at
joint N.
nffi
MiTeK
Mifek UsA, lnc.
400 Sunrise Avenue, Su¡te 270
SymbolsPLATE LOCATION AND ORIENTATION11;'Center plate on joint unless x, yoffsets are indicated.Dimensions are in ft-in-sixteenths.Apply plates to both sides of trussand fully embed teeth.o-1tÞFor 4x2 orientation, locateplates 0- 1te" from outsideedge oftruss.This symbol indicates therequired direction of slots inconnector plates." Plate location details available in MiTek 20120software or upon request.PLATE SIZE4x4The first dimension is the platewidth measured perpendicularto slots. Second dimension isthe length parallel to slots.LATERAL BRACING LOCATIONlndicated by symbol shown and/orby text in the bracing section oftheoutput. Use T or I bracingif indicated.BEARINGlndicates location where bearings(supports) occur. lcons vary butreaction section indicates jointnumber where bearings occur.Min size shown is for crushing onlylndustry Standards:ANSI/TPI1: National Design Specification for MetalPlate Connected Wood Truss Construction.DSB-89: Design Standard for Bracing.BCSI: Building Component Safety lnformation,Guide to Good Practice for Handling,lnstalling & Bracing of Metal PlateConnected Wood Trusses.II'&MiTek.MiTek Eng¡neêring Reference Sheet: Mll-7473 rev. 5l'l9l2O2ONumbering System6-4-8dimensions shown ¡n ft-in'sixteênths(Drawings not to scale)I2TOP CHORDS3Õ6JOINTS ARE GENERALLY NUMBERED/LETTERED CLOCKI#ISEAROUND THE TRUSS STARTING AT THE JOINT FARTHEST TOTHE LEFT.CHORDS AND WEBS ARE IDENTIFIED BY END JOINTNUMBERS/LETTERS.PRODUCT CODE APPROVALSICC-ES Reports:ESR-131't, ESR-1352, ESR1988ER-3907, ESR-2362, ESR-1 397, ESR-3282Trusses are designed for wind loads in the plane of thetruss unless othenvise shown.Lumber design values are in accordance with ANSI/TPI 1section 6.3 These truss designs rely on lumbervaluesestablished by others.4oÉ.oTof!oFoÉ.oIOfrf-5@ 2012 MiTek@ All Rights ReservedBWEBSA General Safêty NotesFailure to Follow Could Cause PropertyDamage or Personal lnjury1 . Add¡tional stab¡l¡ty bracing for truss system, e.g.d¡agonal orX-bracing, ¡s always rêquired. See BCSI.2. Truss brac¡ng must be designed by an engineer. Forwidê truss spacing, ¡ndivìdual laterai braces themselvesmay requirê brac¡ng, or alternat¡ve Tor Ibmcing should be considered.3. Never exceed the design loading shown and nêverstack mater¡als on inadequately braced trusses.4. Provide cop¡es ofthis truss dêsign to the buildingdesigner, erection supervisor, property owner andall other ¡nterested parties.5. Cut members to bear tightly against each other6. Place plateson each face of trussateachjoint and embed fully. Knots and wane at jointlocations are regulated by ANSI/TPI 1 .7. Des¡gn assumes trusses w¡ll be suitably protected fromthe environment in accord with ANSIITPI 1.8. Unless otherwise noted, moisture content of lumbêrshall not êxceed 19olo attime offabrication.9. Unless expressly notêd, this des¡gn is not applicable foruse with fire retardant, preservative treated, or green lumbêr.10. Camber ¡s a non-structural consideration and is therespons¡bility of truss fabricator. General pract¡ce is tocamber for dead load dêfìêct¡on.1 1. Plate type, size, orientat¡on and locat¡on dimensionsindicated are minimum plating requ¡rements.1 2. Lumber used shall be of the species and size, andin all rêspects, equal to or better than thatspêcified.13. Top chords must be sheathed or purlins provided atspac¡ng ìndicated on design.14. Bottom chords require latêral brac¡ng at 10 ft. spac¡ng,or less, if no ceiling is ¡nstalled, unless otherwise noted.1 5. Connections not shown are the respons¡b¡l¡ty of others.20. Design assumes manufacture in accordance w¡thANSI/ïPI 1 Quality Cr¡ter¡a.21.The des¡gn does not take into account any dynamicor other loads other than those êxprêssly stated.16. Do not cut or altêr truss member or plate without pr¡orapproval of an engineer.1 7. lnstall and load vert¡cally unless ¡ndicated otherwisê.1 8. Use of green ortreated lumber may posê unacceptableenvironmental, health ôr performance risks. Consultwithproject eng¡neer before use.19. Rêviewaìl portions of this des¡gn (front, back, wordsand pictures) before use. Reviewing pictures aloneis not sufiicient.