HomeMy WebLinkAbout20-93-AOD-BH-REPORT - FRAMING - Beam DesignKevin D. Beil, P.E.
S .E .C . - Structural Engineering Consultants , LLC
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Commercial Residential Industrial Institutional Investigations Building Inspection
20-93-AOD-BH-REPORT - FRAMING - Beam Design
September 28, 2020
Mr. Blake Herbst
Aspen Outdoor Designs
11010 E 156th Street
Noblesville, IN 46060
RE: Engineering Investigation
Wickman Residence
14429 Pemberton Lane
Carmel, IN
#22001-93
Dear Blake:
At your request we conducted a limited structural review for a wood beam capacity for a project at the
above referenced property. More specifically, the requested capacity review is for the new built-up wood
beams that support the roof framing for the proposed 14ft± x 28ft± outdoor structure. Information for the
proposed roof beams was provided on a drawing #18.227 for the project, submitted by Aspen Outdoor
Designs, dated September 25, 2020. Mr. Blake Herbst, the designer at Aspen Outdoor Designs was
consulted to provide firsthand information for the project. The following is a description of our findings
and recommendations:
Proposed Structure: Per drawing Detail “A” - STRUCTURE (Framing Plan), (8) 3-ply, 2x12
horizontal wood beams are shown to support the roof framing for the proposed outdoor structure.
The (8) subject beams vary in length with a maximum span that appears to be 14.5ft± between
column centerlines. It was suggested that all of the new beams shall be (3) built-up plies of Southern
Pine, No. 1 grade lumber. The new beams are reported to support top-bearing 2x8 rafters and joists
spaced at 16”oc, and a sloped sheathing with shingle roofing material. The beams are shown to be
supported by perimeter 6x6 wood posts at the beam ends. The drawings indicate the new structure
will be located adjacent to the existing residence; however it was reported to not be positively
connected to the existing structure.
Building Code and Assumptions:
Applicable Codes: The following items were reviewed for minimum conformance with the 2020
Indiana Residential Code (IRC 2020) amendments to the 2018 International Residential Code (IRC 2018)
Mr. Blake Herbst
Engineering Investigation
Wickman Residence – Beam Design
14429 Pemberton Lane
Carmel, IN
September 28, 2020
Page 2
20-93-AOD-BH-REPORT - FRAMING - Beam Design
Assumptions: The following is a list of design assumptions utilized for the beam design review:
1. Beam Information & Construction: The maximum beam span = 14.5ft, center-center of
columns. All beams shall be constructed of (3) plies of Southern Pine, No. 1 grade lumber. All
plies shall be continuous full length – no splices. The plies shall be fitted tightly together – no
gaps. Fasten plies together with (3) rows of 0.131dx3” nails at 12”oc. – each ply. Nails to be 2”
clear from ends and 1” from top & bottom edges.
2. Beam Loading: The beams were reviewed only for the various code prescribed vertical
loading combinations. The beams shall be supported and only top-loaded by 3::12 pitched roof
rafters and ceiling joists attached at 16”oc. For the review, the tributary roof loading on the
beam was 7ft+1.5ft± overhang.
3. Beam Bearing: The minimum beam end bearing shall be 1.5inches. The individual ply
end lengths shall be staggered as required to provide full end bearing on the supporting columns.
4. Design Review Limitations: The design review was limited to only the design of the beam for
the length and end bearing requirements, and for the tributary loading conditions as described
above. The review does not include the review or approval of any other portion of the design of
the proposed structure, including but not limited to the following:
a. Rafter and Ceiling Joists or associated connections
b. Beam-Column and/or beam splice connections
c. Column or Foundation designs and/or connections
d. Lateral stability of the proposed structure or interconnection/effects on the existing
structure
Conclusion: Calculations were completed per the above listed loadings, limitations, parameters and
per the listed assumptions. From the information provided, the proposed 3-ply 2x12 roof beams are
adequate to support the suggested loading conditions reviewed for this application.
Construction Note: It is recommended that any construction or repair work be completed
utilizing the industry standards, guidelines, techniques and appropriate materials for the work at
hand. All work shall be completed per the Indiana Residential Code (IRC) and all applicable state
and local building codes, and standards.
Note: The design review capacities are based on calculations that included the above listed
conditions and assumptions. If further verification of the assumptions is deemed necessary for
clarification, or if the described conditions were determined to differ, then further investigation may
be required.
The opinions and recommendations provided in this report are based on the reported information and any
supplemental documents provided for the review. If any of the described conditions were to change or if
additional information or evidence were to become available, further review may be required and the
conclusions rendered may be different than those provided in this report. The opinions and conclusions
expressed are not a guarantee or service warranty of any kind, implied or otherwise.
Mr. Blake Herbst
Engineering Investigation
Wickman Residence – Beam Design
14429 Pemberton Lane
Carmel, IN
September 28, 2020
Page 3
20-93-AOD-BH-REPORT - FRAMING - Beam Design
We appreciate the opportunity of working with you on this project. Please note that our review was
limited strictly to those items identified in the opening paragraphs of this report and to the extent noted.
Should other deficiencies exist (structural or non -structural) they are beyond the scope of this
investigation. Should you have any other questions, or wish to discuss any matter in this report, please
do not hesitate to contact our office.
Sincerely,
Kevin D. Beil, P.E.
cc: File