david s. watson portfolio

A1

Blockingpanel

A2 Must have 1

3

4

" minimum joist

bearing at ends

TJI® rim joist

114" Trus Joistrim board

Toe nail - 10d (3") box at6" on-center

2x_ studwall at 16"on-center

12"min.

A3.4

Boundary nailing -8d (212") common at4" on-center*

*See Trus Joist Framer's Pocket Guide

for additional installation specifications.

Plate nail - 16d (312") box at12" on-center

Floor panel nail - 8d (212")common at 6" on-center

Install proper blocking tosupport all panel edges

Toe nail - 10d (3") box at6" on-center*

Floor panel nail - 8d (212") commonat 6" on-center*

Plate nail - 16d (312") box at16" on-center*

*Conventional construction code

minimum for use with A3 only. See

Trus Joist Framer's Pocket Guide for

A3.1-A3.3 installation specifications.

1" or 114"Trus Joistrim board*

A3.1

Remove tongue and groove fromfloor panel edges supported by 1"e-Rim® to ensure quality nailing.

A3 A3.3A3.2

Web stiffenersrequired each side atB1W and B2W

B1

B2 B2W

B1W

Load bearing or shear wall above(must stack over wall below)

2x4 minimumsquash blocks

116"

Blocking panel

B3WB3

below-see detail B1

may be required withshear walls above or

Blocking panelsWeb stiffeners requiredeach side at B3W

INTERMEDIATE BEARING

NO LOAD BEARING WALL ABOVE

Blocking panel

End of joists atcenterline ofsupport

B4

Load bearing or shear wall above(must stack over wall below whenpresent)

BC

Beveled web stiffener eachside of TJI® joist web

TJI® joist flange must bear fullyon plate. Birdsmouth cut mustnot overhang inside face of plate.

BIRDSMOUTH CUT allowed

at low end of joist only

CS

116"

Use 2x4 minimum squash blocks totransfer load around TJI® joist

2x4 minimumsquash blocks

Load from above

E1 E1W

Trus Joist rimboard

Web stiffenersrequired eachside at E1W

8" diameter maximum hole for117

8" - 20" deep blocking panels;6" diameter maximum for blocking

panels 912" deep or shorter than12" long.

Do not cut flanges.

E3E2

4'-0" length of34" reinforcement onone side at E2, bothsides at E3

Face grainhorizontal

Attach reinforcementto joist with 8d (212")common nails at 6" on-center. When reinforcingboth sides, stagger nails.

2'-0"

maximum

Trus Joist rimboard

8" diameter maximum hole for117

8" - 16" deep blocking panels;6" diameter maximum for blocking

panels 912" deep or shorter than12" long.

Do not cut flanges.

E4

Attach reinforcement tojoist web with 3 rows10d (3") common nailsat 6" on-center,clinched. Use 2 rowswith 912" and 1178"TJI® joists.

6'-0" length of TJI® joistreinforcement and fillerblock. Use 4'-0" lengthwith 912" and 1178" TJI®joists.

Not for use with 3

1

2

" TJI

®

joist flange widths

2'-0"

maximum

8" diameter maximum hole for117

8" - 16" deep blocking panels;6" diameter maximum for blocking

panels 912" deep or shorter than12" long.

Do not cut flanges.

Trus Joist rimboard

E5 E6

12" length of 34"reinforcement onone side at E5,both sides at E6

Attach reinforcement to joistwith one 8d (212") commonnail at each corner

Less than 5"

Trus Joist rimboard

F1

Nail through 2x_, wood backer andTJI® joist web with 2 rows 10d

(3") common nails at 6"on-center, clinched. Use

16d (312") nails with312" TJI® joistflange widths.

Blockingpanel

Woodbacker

11 2 times

cantilever

length

4'-0"

maximum

cantilever

(uniform loads only)

H1

Top flangehanger

Web stiffeners required ifsides of hanger do notlaterally support at least 3

8"of TJI® joist top flange

Face mounthanger

H2

Backer block: Install tightto top flange (tight tobottom flange with facemount hangers). Attachwith ten 10d (3") box nails,clinched when possible.

Filler block: Attach with ten 10d(3") box nails, clinched. Use ten16d (312") box nails from eachside with 312"TJI® joist flange widths. Usefifteen nails with TJI® joist depthsgreater than 16".

Backer blockboth sides of webwith single TJI®

joistH3

Bearing plate:Flush plate with insideface of wall or beam

Variable slope joist hanger.Verify capacity and depthlimitations.

LSTA24 (Simpson or USP) strap with twelve10d x 112" nails required at H5S with slopesgreater than 3" per foot

H5 H5S

Strap nails:Leave 238"minimum enddistance

Filler block: Attach withten 10d (3") box nails,clinched. Use ten 16d(31

2") box nails fromeach side for TJI®

joists with 312" flangewidths.

H6 SH6

Backer block: Install tightto bottom flange (tight totop flange with top flangehangers). Attach with ten10d (3") box nails, clinchedwhen possible.

LSTA18 strap required at H6Swith slopes greater than 3" per

foot

Strap nails:Leave 238" minimumend distance

Variable slope joist hanger.Verify capacity and depthlimitations. L1

Trus Joist rim board orblocking for lateralsupport

Parallam® PSL orTimberStrand® LSLColumn

BEARING AT WALL

L2

Strap per code if top plateis not continuous overheader

BEARING FOR DOOR

OR WINDOW HEADER

L3

BEAM TO BEAM

CONNECTION

Top flangehanger

Face mounthanger

See current Trus Joistliterature for framing connectors

L4

BEARING AT

CONCRETE WALL

Protect untreated wood from

direct contact with concrete

L5

BEARING AT

COLUMN

Verify Parallam® PSL orTimberStrand® LSL column

capacity and beambearing length.

See currentTrus Joistliterature.

(1) Load must be applied evenly across entire

beam width. Otherwise, use connections for side-loaded beams.

If using 12d (314") or larger nails, the number ofnailing rows may be reduced by one.

Minimum of 4 rows 10d (3" x 0.128") nails at 12" o.c. for14" and deeper beams

Minimum of 3 rows 10d (3" x 0.128") nails at 12" o.c.

Additional nailing or bolting may be

required with side-loaded multiple-member

beams. Refer to current product literature.

CONNECTION OF MULTIPLE PIECES

OF TOP-LOADED BEAMS

(1)

Minimum of 2 rows 12" bolts at 24"o.c. staggered

3

1

2

" Width Pieces:

L6

1

3

4

" Width Pieces:

LA

Trus Joistrim board

See fastenertable below. Maintain2" distance (minimum) fromedge of ledger to fastener.

Treated 2x_ledger

Flashing

Structural exterior sheathingEXTERIOR DECK ATTACHMENT

1

1

4

" rim board

Fastener

Allowable load determined in accordance with AC 124.

Corrosion-resistant fasteners required for wet-service applications.

1" e-Rim

™

3

8

" lag bolt

1

2

" lag bolt475 / 750

400 / 630 N.A. / N.A.

325 / N.A.

Allowable Load / Factored Resistance (lbs)

L

O

L

Double joistmay be requiredwhen L exceedsjoist spacing

2x_ overhang.Notch aroundTJI® joist topflange.

Blockingas required

End wall

LLC Wall

P1

BEAM ON

COLUMN CAP

P2

COLUMN BASE

P3

ELEVATED

COLUMN BASE

Optionalnon-shrinkgrout

PB1When specified on the layout,

one or more of the three bracing

options shown must be installed

1 3 joist span

8' max.

Option #1:TJI® Joist blocking with end

blocks installed at 13 joistspan locations using

two 8d (212")box nails or212" screws,

typical

Option #2:2x_ strapping installed at 1

3joist span locations usingtwo 212" screws per joist

Apply subfloor

adhesive to all

contact surfaces

Option #3:directly applied ceiling

R1

Shear blocking- Trus Joist rimboard or TJI® joist

Beveled bearingplate required whenslope exceeds 14"

per foot

13 adjacent span

maximum R10

Shear blocking- Trus Joist rimboard or TJI® joist

2x4 one side. Use 2x4 both sides ifjoist spacing is greater than 24"on-center. Attach with 2 rows 8d (212")box nails at 8" on-center.

Beveledbearing plate

required when slopeexceeds 14" per foot

Beveled 2x4 block

Filler

4'-0"

minimum

2'-0"

maximum

R14

Strap nails:Leave 238"minimum enddistance

Double beveled bearingplate when slope exceeds14" per foot

LSTA18 (Simpson or USP) strap withtwelve 10d x 11

2" nails

R3

Variable slopeseat connector

V-cut shear blocking-Trus Joist rim board

13 adjacent span

maximum

R5

V-cut shear blocking-Trus Joist rim board

Beveled web stiffeners onboth sides. Cut to matchroof slope.

2x4 block forsoffit support

BIRDSMOUTH CUT allowed

at low end of joist only

2'-0"

maximum

WR7R7

Web stiffenersrequired each sideat R7W

Beveled bearingplate requiredwhen slopeexceeds 14" perfoot

INTERMEDIATE BEARING

Blocking panels or shear blocking

may be specified for joist stability

at intermediate supports

R7S

Twist strap and backerblock required at R7S with

slopes greaterthan 3" per foot

R8

2x4 one side. Use 2x4 bothsides if joist spacing isgreater than 24" on-center.

2 rows 8d (212")box nails at 8" on-center

Beveled 2x4 block withbeveled web stiffener onopposite side of web

V-cut shear blocking-Trus Joist rim board

BIRDSMOUTH CUT allowed

at low end of joist only

4'-0"

minimum

2'-0"

maximum

SB

Trus Joist rim board for shearblocking (between joists). Field trimto match joist depth at outer edge ofwall or locate on wall to match joistdepth.

13

13

13

12

12

SHEAR BLOCKING and VENTILATION

HOLES...Roof Only

Maximum allowable V-cut

W

W

Three 8d (212") box nails,clinched(Three 16d (31

2") box nails at 312"

TJI® joist flange widths)

Web stiffener each side. Seesizes below.

Gap:18" minimum

234" maximum

WEB STIFFENER ATTACHMENT

112"

112"

Tight fit

212"

W

312"

2516"

34" x 2516" minimum2116"

Web Stiffener Size

58" x 2516" minimum

12" x 2516" minimum112"134"

W

2x4

78" x 2516" minimum

1" x 2516" minimum

Web Stiffener Size

AVERAGEGRADE

TOP OF PLATE 30.00

ATTIC FLOOR 31.00

TOP OF RIDGE 40.000

TOP OF PLATE 20.00

FIRST FLOOR 10.00

2'-1

11 2"8'

-6"

1'-0

"8'

-0"

1'-0

"7'

-111 2"

29'-5

"

SECOND FLOOR 21.00

AVERAGEGRADE

TOP OF PLATE 30.00

ATTIC FLOOR 31.00

TOP OF RIDGE 40.000

TOP OF PLATE 20.00

FIRST FLOOR 10.00

2'-1

11 2"8'

-6"

1'-0

"8'

-0"

1'-0

"7'

-111 2"

29'-5

"

SECOND FLOOR 21.00