REVIEWED BLD2023-0899+Manufacture Specs +7.18.2023_2.37.32_PM+3672825January 1, 2022
Re: Prescriptive spacing for the BVLZ
To Whom It May Concern:
RECEIVED
Jul 18 2023
CITY OF EDMONDS
DEVELOPMENT SERVICES
DEPARTMENT
BLD2023-0899
REVIEWED
BY
CITY OF EDMONDS
The following tables provide maximum on -center spacing requirements for the BVLZ when installed on existing brick veneer
construction that meets the minimum framing requirements of the IRC.
Existing fr,,
See figures
BVLZ Prescriptive Spacing
Page 1 of 7 L-C-BVLZPRESC22
Table 1 provides the maximum on -center spacing for the BVLZ when the interior structural framing meets IRC requirements.
See Figure 1 below the table for additional information on IRC requirements. Maximum on -center spacing of the BVLZ is listed.
Decrease the on -center spacing when necessary to accommodate deck joist spacing.
Table 1: Prescriptive Spacing for the BVLZ
Rim Board
Species
Loading
Gap (in)
Ri m
Maximum Deck Joist Span
Up to 6 ft.ft Up to 8 . I Up to 10 ft. Up to 12 ft
On -Center Spacing of BVLZ (in.)
40 psf
Live and
10 psf
Dead
4.75
2x10
40
30
24
-
2x12
40
30
24
20
5'S
2x10
40
30
-
2x12
40
30
24
6.25
2x10
40
30
-
2x12
40
30
24
DF
60 psf
Live and
10 psf
Dead
4.75
2x10
29
-
-
2x12
29
22
5.5
2x10
29
-
2x12
29
22
625
2x10
-
-
2x12
29
2x12
29
-
-
Sp
40 psf
Lire and
10 psf
Dead
4.75
2x10
36
27
22
-
2x12
36
27
22
18
5.5
2x10
36
27
22
-
2x12
36
27
22
18
625
2x10
36
27
-
-
2x12
36
27
22
60 psf
Live and
10 psf
Dead
4.75
2x10
26
20
-
-
2x12
26
20
16
-
5 5
2x10
26
-
-
2x12
26
20
625
2x10
26
-
2x12
26
20
1. See Fievre1 for minimum framing and IRC fastening requirements-
2.
Tabulated spacings are applicable to bode OSB and plywood (minimum specific gravity
of 0.5) interior floor sheathing with 5/8" minimum thickness. For maximum spacing
with other sheathing materials, contact Simpson Strong -Tie.
3. A single 2x deck ledger is regtmed- Double 2x and wider solid ledgers are not pemutted-
4. For rim boards larger than 2xl2, use 2x12 solutions.
5. Spacings for 2x sawn lumber rim board are applicable to 11/2"-wide structural composite
lumber rim board with mpirvalent specific gravrly-
6- The BVLZ is load rated for downloads only. Support for lateral and uplift loads must be Him to lop plate
addressed by other means. See technical bulletin T-C DECKLAT at strongtie.com for taabBnR602
more information on lateral loads perpendicular to the wall
7. A wet -service factor has been applied to BVLZ connection to deck ledger-
8. Weatherproof ledger as required by code.
9. Fasteners supplied are Simpson Strong -Tie® Strong Drive® SD Connector screws and
Strong -Drive SDWH Timber -Heat sctews-
10. See installation guide T-r—BVLZINSTL for additional installation instructions and more
information.
11. If framing conditions are outside ofthese parameters; this table does not apply. See Table
3 and Table 4, if applicable, for additional solutions. For an engineered design;
see Simpson Strang -Tie® Wood Construction Connectors catalog C-C-202I -
A rspace
In;@Ior strum -,I
'loor shoal lrrG.
W mir th �kn, .i
na led pe, R('.
table R672.311 ■ Joist hanger and
brick ties nit
Interior I ow lois: Shovrn for elan y
Figure 1
Page 2 of 7 L-C-BVLZPRESC22
Table 2 provides the maximum on -center spacing for the BVLZ when the interior structural framing meets IRC requirements and
wood structural panel (WSP) wall sheathing is present on the exterior of the wall. See Figure 2 below the table for additional
information on IRC requirements. Maximum on -center spacing of the BVLZ is listed. Decrease the on -center spacing when
necessary to accommodate deck joist spacing.
Table 2: Prescriptive Spacing for the BVLZ with WSP Wall Sheathing
Rim Board
Species
Loading
Gap (in.)
Rim
Maximum Deck Joist Span
Up to 6 ft. Up to 8 fL I Up to 10 it I Up to 121i.
On -Center Spacing of BVLZ (in.)
40 psf
425
2x10
33
25
20
-
2x12
33
25
20
16
5
2x10
33
25
-
-
Lire and
10 psf
2x12
33
25
20
DF with WSP
Dead
5-75
2x10
33
25
-
2x12
33
25
20
wall sheathing
60 psf
4.25
2x10
23
-
-
2x12
23
18
-
5
2x10
23
Live and
10 psf
2x12
23
18
Dead
5-75
WO-
2x12
23
-
40 psf
425
2x10
33
25
20
-
2x12
33
25
20
16
5
WO
33
25
20
-
Live and
10 psf
2x12
33
25
20
16
SP with WSP
Dead
5-75
2x10
33
25
-
-
2x12
33
25
1 20
wall sheathing
60 psf
4.25
WO
23
18
-
2x12
23
18
-
-
5
2x10
23
Live and
10 psf
2x12
23
18
Dead
5-75
2x10
23
1 -
-
-
2x12
23
1 18
-
1- See Figure 2 for minimum framing and IRC fa.,-terung requmernents-
Tabulated spacings are applicable to bode OSB and plywood (minimum specific gravity Interlor structured
of0-5)interior floor sheathing with 5/8 Airspace
2-
( minimum For maximum loot sheathing.
W min. thldtness
with other sheathing materials; contact Simpson StungTie-nailed per IRC
table R602.3(1) Joist hanger and
3- A single _2x deck ledger is required- Double 2x and wider solid ledgers are not permitted- brick ties not
4- For rim boards larger than 2xl2, use 2x12 solutions- Witter floor jols. shown for clarby
5- Spacings for 2x sawn lumber rim board are applicable to 11/2"-wide structural composite
lumber rim board with equivalent specific gm-ity-
6- The BVLZ is load rated for downloads only- Support for lateral and uplift loads mast be Rim to top plate
addressed by other means- See technical bulletin T-C DECKL.AT at strougtie-cam for Ilailing per IRc
more information on lateral loads perpendicular to the wall table Ii6M.3(1)
7- A wet -senate factor has been applied to BVLZ connection to deck ledger-
8- Weatherproof ledger as required by code.
9- Fasteners supplied are Simpson Strong-Tiet Strong Drive® SD Connector screws and f
St x=-Drive SDWH Timber -Hex screws--
10- See ia4lallation guide T-r—BVLZINSTL for additional installation instructions and more 1 �a' max a 2x10 non neck st
IIIfUtirlat10I1 31A max. lot 202 rim
11- If flaming conditions are outside of these parameters; this table does not apply- See 2xa m n.
Table 3 and Table 4, if applicable; for additional solutions- For an engineered design, tedger
see Simpson Strong -Tie® Wood Construction Connectors catalog C-C-2021- 2x rim
wood stt UCA13
panel sheathing
Figure 2
Page 3 of 7 L-C-BVLZPRESC22
SIMPSON
Table 3 provides the maximum on -center spacing for the BVLZ when the interior structural framing meets IRC requirements and
the rim board is reinforced with A34 angles as shown in Figures 3a and 3b. See Figures 3a and 3b below the table for additional
information on IRC requirements and reinforcing of the rim. Maximum on -center spacing of the BVLZ is listed. Decrease the on -
center spacing when necessary to accommodate deck j oist spacing.
Table 3: Prescriptive Spacing for the BVLZ with Reinforced Inteiior Floor Framing
Rim
Board
Species
P
Loading
Gap
(1°')
Rim
Maximum Deck Joist Span
tip to 6 ft. tip to 8 ft. tip to 10 ft. tip to 12 ft. Up to 14 ft. tip to 16 ft. tip to 18 ft.
On -Center Spacing of BVLZ (in.)
40 psf
475
2x10
40
30
24
20
17
15
13
2x12
40
30
24
20
17
15
13
Live and
10 psf
5 5
2x10
40
30
24
20
17
15
-
2x12
40
30
24
20
17
15
13
Reinforced
Dead
625
2x10
40
30
24
20
17
-
-
2x12
40
30
24
20
17
15
13
DF
60 psf
4.75
2x10
29
22
17
14
-
-
-
2x12
29
22
17
14
12
-
-
Live and
10 psf
55
2x10
29
22
17
14
-
2x12
29
22
17
14
12
Dead
625
2x10
29
22
17
-
-
2x12
29
22
17
14
-
-
-
40 psf
4 75
2x10
36
27
22
18
16
14
12
2x12
36
27
22
18
16
14
12
Line and
10 psf
5'S
2x10
36
27
22
18
16
14
-
2x12
36
27
22
18
16
14
12
Reinforced
Dead
6.25
2x10
36
27
22
18
16
-
-
2x12
36
27
22
18
16
14
12
SP
60 psf
4 75
2x10
26
20
16
13
-
-
-
2x12
26
20
16
13
Live and
10 psf
5.5
2x10
26
20
16
13
2x12
26
20
16
13
Dead
6.25
2x10
26
20
16
-
2x12
26
20
16
13
1. See Figures 3a and 3b for minimum framing IRC fastening, and rim board reinforcing requirements-
2- Tabulated spacings are applicable to both 0S13 and ply%vood (minimum specific gravity of 0.5) interior floor sheathing vkith 5i8" minimum thickness_ For maximum spacing
with other sheathing materials, contact Simpson Strong -Tie.
3. A single 2x deck ledger is required Double 2x and v6der solid ledgers are not permitted
4. For rim boards laroeer than 2xl2, use 2x12 solutions.
5. Spacings for 2x sawn lumber rim board are applicable to 1 1/2"-,Mde structural composite lumber rim board mth equivalent specific gravity.
6. The BVLZ is load rated for doxtnloads only. Support for lateral and uplift loads must be addressed by other means. See technical bulletin T-C-DECKLAT at stronotie.com for
more information on lateral loads perpendicular to the call.
7. A -,vet-service factor has been applied to BVLZ connection to deck ledger.
8. Weatherproof ledger as required by code.
9. Fasteners supplied are Simpson Strong-TieV Strong -Drive® SD Connector scretNs and Strong -Drive SDWH Timber -Hex HDO screws.
10. See installation guide T-C-BVLZLNSTL for additional installation instructions and more information
11_ If framing conditions are outside of these parameters, the table does not apply. For an engineered design; see Simpson Strong-Tiel) Wood Construction Connactors catalog C-C-
2021.
Page 4 of 7 L-C-BVLZPRESC22
Interior structural
floor sheathing.
W min. thickness
nailed per IRC
table 1`1602.3(1)
I me do r floo r joist,
parallel to rim
Rim to tap plate
nailing per IRC
table R602.3(I )
2x blocking
a I T O.0 with
A34stop
and bottom at j
both ends with V min.
S09x1'fi screws 1V" max. for 200 rim
31/C max. for 2x12 rim
2x rim
Rlm to top plate
nailing per IRC
table R602.3(1)
Airspace
_ Gap
4r/a' - 61/4'
Figure 3a
Interior structural
floor sheathing. Airspace
min. thickness
nailed per IRC
table R602.3(1)
Interior floor joist,
perpendicular to rim
A34 top and
bottom with
SD9x1 tY screws
0 each joist
Jaisl hanger and
brick ties not
shown for clarity
Dock joist
2x6 min.
ledger
Joist hanger and
brick ties not
shown for clarity
1" min.
11/: max. for 2x10 rim Deck Dist
31/4' max. `or 202 rim
2x8 min.
ger
2x rim
Ga
49/a' - 6'A'
Figure 3b
Page 5 of 7 L-C-BVLZPRESC22
Table 4 provides the maximum on -center spacing for the BVLZ when the interior structural framing meets IRC requirements, the
rim is reinforced with A34 angles as shown in Figures 4a and 4b, and wood structural panel (WSP) wall sheathing is present on
the exterior of the wall. See Figures 4a and 4b below the table for additional information on IRC requirements and reinforcing of
the rim. Maximum on -center spacing of the BVLZ is listed. Decrease the on -center spacing when necessary to accommodate
deck joist spacing.
Table 4: Prescriptive Spacing for the BVLZ with Reinforced Interior Floor Framing and WSP Wall Sheathing
kfaximam Deck Joist Span
R Sp
Loading
Rim
Up to 6 fi. Up to 8 ft Up to 10 ft Up to 12 ft Up to 14 ft. Up to 16 ft.
dies
(1)
On -Center Spacing of BVLZ (in.)
2x10
33
25
20
16
14
12
4.25
2x12
33
25
20
16
14
12
40 psf
Lire and
2x10
33
25
20
16
14
12
10 psf
5
2x12
33
25
20
16
14
12
Reinforced
Dead
575
.
2x10
33
25
20
16
14
-
2x12
33
25
20
16
14
12
DF with
WSP wall
2x10
23
18
14
-
-
shenthing
60 psf
4.25
2x12
23
18
14
Live and
2x10
23
18
14
10 psf
5
2x12
23
18
14
Dead
2x10
23
18
14
-
5.75
2x12
23
18
14
-
2x10
33
25
20
16
14
12
425
2x12
33
25
20
16
14
12
40 psf
Lire and
2x10
33
25
20
16
14
12
10 psf
5
2x12
33
25
20
16
14
12
Reinforced
Dead
5.75
2x10
33
25
20
16
14
-
2x12
33
25
20
16
14
12
SP with
WSP wall
2x10
23
18
14
-
-
sheathing
60 psf
425
2x12
23
18
14
Live and
2x10
23
18
14
10 psf
5
2x12
1 23
18
14
Dead
2x10
23
18
14
5.75
2x12
23
18
14
-
1. See Figures 4a and 4b for minimum framing, IRC fastening, and rim board reinforcing requirements-
_'. Tabulated spacings are applicable to both OSB and plywood (minimum specific gravity of 0.5) interior floor sheathing with 5i8' mmimom thickness. For maximum spacing
with other sheathing materials, contact Simpson Strong -Tie.
3. A single 2x deck ledger is required- Double 2x and wider solid ledgers are not permitted
4- For rim boards larger than 2x12, use 2x12 solutions.
5- Spacings for 2x sawn lumber rim board are applicable to 1 1/2"-wide structural composite lumber rim board with equivalent specific gravity.
6. The BVLZ is load rated for downloads only. Support for lateral and uplift loads must be addressed by other means. See technical bulletin T-C—DECKI.AT at strongtie.com for
more information on lateral loads perpendicular to the wall-
7- A wet -service factor has been applied to BVLZ connection to deck ledger-
8- Weatherproof ledger as required by code-
9- Fasteners supplied are Simpson Strong -Tier Strong -Drive® SD Connector screws and Strong -Drive SDWH Timber -Hex HDG screws.
10. See installation guide T-r—BVLZINSTL for additional installation instructions and more information_
11. If framing conditions are outside of these parameters, the table does not apply. For an engineered design see Simpson Strong -Tie® Mood Construction Connectors catalog C-C-
2021.
Page 6 of 7 L-C-BVLZPRESC22
Interior s:a_Inr.d
floor shaatri 1g.
W min. thlcxness
milled oar IRC
table R602 SO)
Interior floor joist
parallel :o r rr
?Im to top plane
nailing per IRC
table R602.3(1)
2x blocking
a 16' O.0 with
A34slop
and bond Mat
both ends wIN
1' mm.
SAX11h' screws
134' max. for 2x10 rim
334' max. for 2z12 rim
Nrim
Wood struatral
panel shealhlrg —
Interior structJral
floor sheath nq
W minthickness
nailed pe• IRC
table 9602.3f1;
filerlcI'Oct (IS1
Pe-peidi-LIX to 'IT
Rim to fop plate
nailing per IRC
table RG02.3;11
A34 top and
bodorn with
SD9xl%' screYiS
C each joist
Airspace
Gap
4' e' 5W,
Figure 4a
Joist Hanger and
brick lies not
shown for clarty
Deck joist
2x6 min.
ledger
-Airspace
Joist haand
■
no[
brick Iless riot
Shown for clarity
1' fora 072x8 134 max. for 2x1 D rim Deckjoist
33G' max. for 2x12 rim min.
ledger
2xrlm /
Wood structural
panel sheathing
Tx
AO
Figure 4b
The information in this letter is valid until 12/31/2023 when it will be re-evaluated by Simpson Strong -Tie. Please visit
strongtie.com for additional pertinent information. If you have questions or need further assistance regarding this matter,
please contact the Simpson Strong -Tie engineering department at 800.999.5099.
Sincerely,
SHAPSON STRONG -TIE COMPANY INC.
Page 7 of 7 L-C-BVLZPRESC22