HomeMy WebLinkAboutCORRESPONDENCE LETTERSDave Argo
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Chris K <ckouray@yahoo.com>
Tuesday, June 20, 20L7 2:2LPM
Davo Argo
Velasquez Resi<lence 3064 C¿l.tle Creek Road Floor Franritrg Compliance
VelasquezFloorCompliance0620lT. pdf; VelasquezBC CALC Project.pdf
Garfield County Building Department
Attached is my compliance letter that is in agreement with the client's wish to add a
light-weight concrete floor system in lieu of a wood floor system. I assume that change
is due to their desire to install efficient in-floor heating. I also attached the Boise
Cascade design documentation that I reviewed...
If you have any questions or comments, feel free to contact me at your conven¡ence
Christopher Krabacher
(970) 640-8831
1
I
CHRT5TOPHER KRABACHER
Project:
Velasquez Residence
3064 Cattle Creek Road,
Garfield CountY, Colorado
General Contractor:
Ross Velasquez
(970) e8e-3008
lf we can be of anY rther service, feel free to contact us'
Licensed Architect in the State of Colorado (#8-2062)
Structural ComPliance
The Builder requested the investigation to determine if the foundation & floor system is sufficient
ilrghto ."irv " nint*ã¡ör,i""ñ"rÀt" ftoot, and has the appropriate design capability'
lnformation Reviewed'
Boise cascade Froor Design Report (dated June 16, zafl) indicates the buirding floor system is
capabre of carrying tnã pioîoleo maàr¡aìload(s) and code-required rive road. Minimum loao/o
toad inferreO is arounã åOO'ir.tt. ft{aximum load exceeds that by 100%'
( i utv;¡ ¡¡u¡';')
ARCHTTECT
P.O. Box 2592,
Grand Junction, Colorado 81502
t-gzol 243-3s87 (office) (970) 640-8831 (cell)
ikourav@vahoo'com chriskrabacheril'chitect'corn
June 20, 2017
Determinations-
1t-Tú F"undation system is sufficient to withstand applicable loads'
2) The Floor system is sufficient to withstand applicable loads.'tl û¿
¿. 1.
)
"å i.l;\=É-r.-. i.,Jt I
"0
fñ) "o'"" """""0"Double 1-314" x9-112" VERSA-LAM@ 2.0 2800 DF
E Dry l3 spans I No cantilevers l0/12 slope
File Name: BC CALC Project
Description: Designs\F801
Specifler:
Designer:
Company:
Misc:
Floor Beam\FB0î
June 16, 2O17 16:16:25
BC CALC@ Design Report
Build 6036
Job Name:
Address:
City, State, Zip: ,
Customer:
Code reports: ESR-1040
08-0Þ00 08-00-00
Total of Horizontal Desiqn Spans = 24-00-00
08-00-00
BO B1 82 B3
Reaction Summary (Down / Uplift) ¡ lus ¡
Live Dead Snow Wind Roof LiveBeãr¡nd
BO
B1
82
B3
1,800 / 200
4,800 / 0
4,800 / 0
1,8001200
2,0751O
5,707 l0
5,707 l0
2,075 lO
Live
,lîîo/"
Dead
900/"
Snow
1150/"
Wind Roof Live
1600/" 1250/"
Trib.
Load Summary
Tao Descriotion Load Tvne Ref. Sta¡t d
1 Standard Load
Gontrols Summary
Unf. Area (lb/ft^2)
Value
L 00-00-00 24-00-00 500
% Allowable Duration case
640 01-00-00
Locat¡on
Pos. Moment
Neg. Moment
End Shear
Cont. Shear
Total Load Defl.
Live Load Defl.
Total Neg. Defl.
Max Defl.
Span / Depth
Squash Blocks
6,538 ft-lbs
-7,884 fHbs
2,882|bs
4,503|bs
Lt721 (0.133")
L/gee (0.07")
L/e99 (-0.03e")
0.133"
10.1
Valid
03-04-09
08-00-00
00-1 0-06
16-11-04
03-08-01
03-1 0-06
't2-00-00
03-08-01
00-00-00
51 .9o/o
62.5o/o
45.60/o
71.3o/o
333%
nla
nla
133%
nla
lOOo/o
100%
100%
100%
nla
nla
nla
nla
nla
2
4
2
5
2
7
2
2
0
Notes
Entered/Displayed Horizontal Span Length(s) = Clear Span + 112 min. end bearing +
1/2 intermediate bearing
Design meets Code minimum (Ll24O) Total load deflection criteria.
Design meets Code minimum (L/360) Live load deflection criteria.
Design meets arbitrary (1") Maximum Total load deflection criteria.
Minimum bearing length for B0 is 1-1l2".
Minimum bearing length for 81 is 4".
Minimum bearing length for 82 is 4".
Minimum bearing length for 83 is 1-1l2".
Calculations assume member is fully braced.
Design based on Dry Service Condition.
Fastener Manufacturer:TrussLok (tm)
Page 1 of2
â"o'"""""""0"Double 1-314" x9-112" VERSA-LAM@ 2.0 2800 DF
F Dry l3 spans I No cantilevers l0/'12 slope
File Name: BC CALC Project
Description: Designs\F801
Specifier:
Designer:
Company:
Misc:
Floor Beam\FB0l
June 16, 2017 16:16:25
BC CALC@ Design Report
Build 6036
Job Name:
Address:
City, State, Zip: ,
Customer:
Code reports: ESR-1040
Connection Diaoram
a
Disclosure
Completeness and accuracy of input must
be verified by anyone who would rely on
output as evidence of suitability for
particular application. Output here based
on building code-accepted design
properties and analysis methods.
lnstallation of Boise Cascade engineered
wood products must be in accordance with
current lnstallation Guide and applicable
building codes. To obtain lnstallation Guide
or ask questions, please call
(800)232-0788 before installation.
BC CALC@, BC FRAMER@ , AJSIM,
ALLJOIST@, BC RIM BOARDTM, BCI@,
BOISE GLULAMTM, SIMPLE FRAMING
SYSTEM@, VERSA-LAM@, VERSA-RIM
PLUS@, VERSA-RIM@,
VERSA-STRAND@, VERSA-STUD@ are
trademarks of Boise Cascade Wood
Products L.L.C.
a minimum = 2" c= 5-112"
bminimum=4" d=24"
e minimum = 1"
All TrussLok screws may be installed from one side of multiple ply VERSA-LAM beams
All TrussLok screws may be installed from one side of multiply Versa-Lam beams.
Member has no side loads.
Connectors are: FMTSL338
6eoi"" cu"""a"Single 9-112" BCI@ 6000-1.8 DF
Dry | 2 spans I No cantilevers | 0/12 slope
16 OCS I Non-Repetitive I Glued & nailed construction
File Name: BC CALC Projecl
Description : Designs\J01
Specifler:
Designer:
Company:
Misc:
Joist\J0l
June 16, 2017 16:16:27
BC CALC@ Design Report
Build 6036
Job Name:
Address:
City, State, Zip: ,
Customer:
Code reports: ESR-1336
æ
I 0-06-00 I 0-06-00
BO B1
Total Horizontal Product Length = 2l-00-00
82
Reaction Summary (Down / Uplift) ¡ lus ¡Bearino Live Dead Snow Wind Roof Live
BO,2-1t2"
81,3-1t2"
B2,2-1t2"
252 I 32
681 /0
252 I 32
2741O
8521O
2741O
Live
100%
Dead
90o/o
Snow
11
Wnd Roof Live
16O0/" 125o/o
ocs
Load Summary
Taq Description Load Rêf. Start End
1 Standard Load
Controls Summary
Unf. Area (lb/ft^2)
Value
L 00-00-00 21-00-00 40
% Allowable Duration Case
50
Location
16
Pos. Moment
Neg. Moment
End Reaction
lnt. Reaction
End Shear
Cont. Shear
Total Load Defl.
Live Load Defl.
Max Defl.
Vibration
Span / Depth
Squash Blocks
1,077 ftlbs
-1,502 ftlbs
526lbs
1,533 lbs
501 lbs
749lbs
L/eeg (0.103)
L/999 (0.054.)
0.103'
10'1-314"
13.1
Valid
o4-04-o2
I 0-06-00
00-00-00
1 0-06-00
00-02-08
10-o7-12
04-1 1-06
15-1 1-01
04-1 1-06
00-00-00
00-00-00
344/o
47.5%
41 .2o/o
63.9%
31.8%
47.5%
nla
nla
nla
59.5%
nla
100%
100%
lOOo/o
lOOo/o
lOOo/o
lOOo/o
nla
nla
nla
nla
nla
2
1
2
1
2
1
2
6
2
0
Disclosure
Completeness and accuracy of input must
be verified by anyone who would rely on
output as evidence of suitability for
particular application. Output here based
on building code-accepted design
properties and analysis methods.
lnstallation of Boise Cascade engineered
wood products must be in accordance with
current lnstallation Guide and applicable
building codes. To obtain lnstallation Guide
or ask questions, please call
(800)232-0788 before installation.
BC CALC@, BC FRAMER@ , AJSTM,
ALLJOIST@ , BC RIM BOARDTM, BCI@,
BOISE GLULAMTM, SIMPLE FRAMING
SYSTEM@, VERSA-LAM@, VERSA-RIM
PLUS@, VERSA-RIM@,
VERSA-STRAND@, VERSA-STU D@ are
trademarks of Boise Cascade Wood
Products L.L.C.
Bearinq Supports Dim. {L x w) value
% AIIow
Suooort
% Allow
Member Material
B0 Wall/Plate
81 Beam
82 Wall/Plate
2-112" x2-5116"
3-112" x2-5116"
2-112" x2-5116"
526lbs
1,533 lbs
526lbs
nla
25.2o/o
nla
41.2%
63.9%
41.2%
Unspecified
Versa-Lam 1.7
Unspecified
Vibration Summary
Subfloor: 23132" OSB, Glue + Nail
Strapping: None
Gypsum Ceiling: None
Bracing: None
Notes
Design meets Code minimum (L1240) Total load deflection criteria.
Design meets User specified (L/480) Live load deflection criteria.
Design meets arbitrary (1 ") Maximum Total load deflection criteria.
Calculations assume member is fully braced.
Composite El value based on 23132" thick OSB sheathing glued and nailed to member.
Design based on Dry Service Condition.
Page 1 of 1