WrightLot 1 - 92KeyBeam® 4.507fkmBeamEngine 4.509s
Materials Database 1318
Lot #1 (#92)
Northampton, Ma.
6-12-12
10:41am
1 of 1
All product names are trademarks of their respective owners
Copyright (C)1987-2011 by Keymark Enterprises, LLC. ALL RIGHTS RESERVED.
**Passing is defined as when the member, floor joist, beam or girder, shown on this drawing meets applicable design criteria for Loads, Loading Conditions, and Spans listed on this sheet. The design must be reviewed by a qualified designer or design professional as required for approval. This design assumes product installation according to the manufacturer`s specifications.
Member Data
Description:Member Type: BeamApplication: RoofStructRdge@DormerTop Lateral Bracing: ContinuousSlope: 0.00 / 12
Bottom Lateral Bracing: None
Standard Load:Moisture Condition: DryBuilding Code: IBC / IRC
Dead Load: 15 PLFDeflection Criteria: L/360 live, L/240 total
Snow Load: 40 PLFDeck Connection: NailedMember Weight: 13.8 PLF
Filename: KYB1
Other Loads
Type
(Description)SideBeginEnd
Trib.
Width
Dead
StartEnd
Other
StartEndCategory
Replacement Uniform (PSF)Top 0' 0.00" 13' 8.00" 17' 0.00" 15 40 Snow
1 2 13 8 0
13 8 0
Bearings and Reactions
InputMinGravityGravity
LocationTypeMaterialLengthRequiredReactionUplift
1 0' 0.000" Wall Spruce-Pine-Fir 5.500" 4.113" 6118# -- 2 12' 10.750" Wall Spruce-Pine-Fir 5.500" 4.113" 6118# --
Maximum Load Case Reactions
Used for applying point loads (or line loads) to carrying members DeadSnow
11733#4385#
21733#4385#
Design spans
12' 10.750"
Product: 1-3/4x14 VERSA-LAM 2.0 3100 SP 2 ply Component Member Design has Passed Design Checks.**
Connect members with 3 rows of 16d common nails at 12.0" oc
Design assumes continuous lateral bracing along the top chord. Design assumes no lateral bracing along the bottom chord.
Allowable Stress Design
ActualAllowableCapacityLocationLoading
Positive Moment 19723.'# 33390.'# 59% 6.45' Total load D+S
Shear 5011.# 10706.# 46% 0.01' Total load D+SMax. Reaction 6118.# 8181.# 74% 0' Total load D+S
TL Deflection 0.3689" 0.6448"L/419 6.45' Total load D+S
LL Deflection 0.2644" 0.4299"L/585 6.45' Total load S
Control: Max. Reaction DOLs: Live=100% Snow=115% Roof=125% Wind=160%