HomeMy WebLinkAboutCA_Structural_Calculations_180606_v2Copyright 2017, SEGA Engineers
STRUCTURAL CALCULATIONS
FOR THE
JK MONARCH RESIDENTIAL PROJECT
Plan L2-2853-2
November 16 2017
Job No. : 12-021
Location: Lot 7, Chelan Creek
Renton, Washington
SEGA Engineers
Structural & Civil Consulting Engineers
22939 SE 292nd PL (360) 886-1017 Black Diamond, WA 98010
1 1 1 11111////11116666/17/17/17/17
D08-053
B18000840
V2
APPROVEDBUILDING DIVISION
THIS SET OF APPROVED PLANS MUST BE ON THE JOB AT ALLTIMES DURING CONSTRUCTION. THIS BUILDING IS NOT TO BEOCCUPIED UNTIL AFTER FINAL INSPECTION BY THE RENTONBUILDING DIVISION AND RECEIPT OF CERTIFICATE OFOCCUPANCY.
APPROVAL SHALL NOT BE CONSTRUED AS THE AUTHORITY TOVIOLATE OR CANCEL ANY PROVISIONS OF CODES, ORDINANCES,OR OTHER REGULATIONS ENFORCED BY THIS CITY.
DATE: 06/27/2018
STATEMENT OF WORK
SEGA Engineers was asked to provide a lateral loads analysis, shear wall
design, review of major framing members and foundation, and drawing red-lines
for a two story wood framed single family residence. The roof framing is
manufactured trusses, the floor framing is 2x dimensional or wood I-joists, and
the foundation is typical concrete strip footings with a crawl space.
The application and use of these calculations is limited to a single site referenced
on the cover sheet. The cover sheet should have an original signature in blue ink
over the seal. The attached calculations may or may not apply to other sites and
the contractor assumes all responsibility and liability for sites not expressly
reviewed and approved. Please contact SEGA Engineers for use at other sites.
SEGA Engineers will use that degree of care and skill ordinarily exercised under
similar circumstances by members of the engineering profession in this local. No
other warranty, either expressed or implied is made in connection with our
rending of professional services. For any dispute, claim, or action arising out of
this design, SEGA Engineers shall have liability limited to the amount of the total
fee received by SEGA Engineers.
Questions regarding the attached should be addressed to SEGA Engineers.
Greg Thesenvitz, PE/SE
SEGA Engineers
SEGA Engineers Project L2-2853
Copyright 2016, SEGA Engineers
SEGA Engineers Project L2-2853SEGA Engineers Project L2-2853
Structural & Civil Consulting Engineers Structural & Civil Consulting Engineers Structural & Civil Consulting Engineers
Job No.12-021 By:GATJob No.12-021 By:GATJob No.12-021 By:GAT
22939 SE 292nd PL (360) 886-101722939 SE 292nd PL (360) 886-1017
Black Diamond, WA 98010 Checked Date:09/07/16 Sht 1 Black Diamond, WA 98010 Checked Date:09/07/16 Sht 1
Design CriteriaDesign CriteriaDesign Criteria
International Building Code (IBC), 2015International Building Code (IBC), 2015International Building Code (IBC), 2015
LOADSLOADSLOADS
RoofRoofRoof
DL 15 psfDL15psf
LL 25 psfLL25psfLL25psf
FloorFloorFloor
DL 12 psfDL12psf
LL 40 psfLL40psfLL40psf
WindWindWind
Risk Category IIRisk Category IIRisk Category II
Design Wind Speed 110 mph (Vult)Design Wind Speed 110 mph (Vult)Design Wind Speed 110 mph ult
Kzt 1.00Kzt1.00zt
Exposure BExposureB
SeismicSeismicSeismic
Design Category DDesign Category DDesign Category D
SDS 1.00SDS1.00DS
Response Factor 6.5Response Factor 6.5
C =0.154CS =0.154CS =0.154
Importance Factor 1.00Importance Factor 1.00Importance Factor 1.00
SoilSoilSoil
Allowable Bearing 1,500 psfAllowable Bearing 1,500 psfAllowable Bearing 1,500 psf
Copyright 2016, SEGA EngineersCopyright 2016, SEGA Engineers
SHEAR WALL SCHEDULEMark Minimum Sheathing Anchor Remarks (4)Sheathing (1) Nailing (1) Bolts (3)A1/2" OSB or8d @ 6" o.c.5/8" @ 60" o.c.Qall = 230 plfCDXB1/2" OSB or8d @ 4" o.c.5/8" @ 32" o.c.Qall = 350 plfCDXC1/2" OSB or8d @ 3" o.c.5/8" @ 16" o.c.Qall = 450 plfCDXUse minimum 3x studsat abutting panel edgesand stagger nails.R See Detail 12/S2.0 for ConstructionNotes:1) All walls designated " " are shear walls. Exterior walls shall be sheathed with rated sheathing(24/0, OSB or CDX) and nailed at all panel edges (Blocked) per schedule (uno). Nailing at (24/0, OSB or CDX) and nailed at all panel edges (Blocked) per schedule (uno). Nailing at intermediate framing to be at 12" oc. Nailing not called out shall be per IBC Table 2304.9.1.2) Holdowns and other framing hardware by Simpson or equal to be used per plan. Ends of shear walls shall use double studs minimum (UNO).3) Use minimum of (2) bolts per sill piece with one bolt located not more than 12" nor less than 5"from each end of the piece. Embed bolts a minimum of 7" into concrete.4) Allowable loads are permitted to be increased by 40% for wind design in accordance withIBC Section 2306.3.