HomeMy WebLinkAboutFile Documents.232 E Main St.0078-2020-BCHO (34)Structural Plan Review
November 24, 2020
March 12, 2021
(Response Review)
Review/Report is based on structural Construction Documents prepared by K. ENG Structural
Consulting, LLC, dated 10/26/2020 (Construction Revisions), and architectural drawings prepared
by Modif Architecture, dated 11/05/2020 (Construction Document Revision #7) and received via
Bluebeam Studio. Structural drawings are stamped and signed by the engineer of record.
Project Name: 232 E. Main Street Core and Shell
Project Location: 232 E. Main Street, Aspen, CO 81611
Review based on International Building Code (IBC) Edition: 2015
Building Construction Type: The building is a two-story retail building with a basement
below. The structure is framed with a concrete slab on metal deck on steel beams at the first,
second, and roof levels. The foundation consists of continuous and pad footings, concrete
basement walls, and a concrete slab on grade floor. The stair and elevator core walls are concrete
below the main level and masonry above.
Building Department Jurisdiction: Aspen Building Department
Risk Category: II (IBC 2015 Table 1604.5)
Basic Wind Speed: 115 mph (ultimate)
Exposure: B
Seismic Site Class: C
Importance Factor: Ie = 1.00
Snow Load: 70 psf uniform
Ground Snow Load: 100 psf
Importance Factor: Is = 1.1
Frost Depth: 36”
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Structural Review Comments:
Structural Drawings by K. ENG Structural Consulting
1. Sheet S-1.0 General Notes: Under “Design Criteria”, change the
ACI 318-11 reference to ACI 318-14. Redo any calculations/design affected.
Updated drawings provided. Comment addressed.
2. Sheet S-1.0 General Notes: Under “Design Criteria”, add the required uniform roof snow
load of 70 psf. Redo any calculations/design affected.
Updated drawings provided. Comment addressed.
3. Sheet S-1.0 General Notes: Under “Concrete”, change both references in note #3 from
ACI 318-11 to ACI 318-14.
Updated drawings provided. Comment addressed.
4. Sheet S2.0 First and Second Floor Plans: Provide Masonry, Foundation, and Lateral
design calculations. Provided calculations from Western Wood Structures are only for
wood superstructure members.
Calculations drawings provided. Comment addressed.
5. Sheet S2.0 First and Second Floor Plans: Column size doesn’t match CLT drawings at
column TC4 at grids F.8-9.8. Please clarify.
Sheet 1 of the submitted wood framing shop drawings indicate a 6 ¾” x 26 1/8” column,
but the column schedule on sheet S3.0 indicates a 6 ¾” x 21 ½” column. Please clarify.
6. Sheet S2.0 First and Second Floor Plans: Column size doesn’t match CLT drawings at all
TC2 columns. Please clarify.
Updated drawings provided. Comment addressed.
7. Sheet S2.0 First and Second Floor Plans: At grids C.2-7, a column is indicated on the CLT
drawings but is not shown on this sheet. Please clarify.
Sheet 1 of 5 of the wood framing shop drawings indicate a column, but sheet 2 and the
details on sheets 4 and 5 do not indicate this column. It is understood based on the
response that there is no wood column at C.2-7, and this comment is addressed.
8. Sheet S2.1 Roof Framing Plans: Provide Masonry and Lateral design calculations.
Provided calculations from Western Wood Structures are only for wood superstructure
members.
Calculations drawings provided. Comment addressed.
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9. Sheet S4.0 Sections: At details 2, 3, and 18/S4.0, provide calculations indicating footings
are structurally adequate due to the eccentric footing loads.
Calculations provided. Comment addressed.
10. Sheet S4.0 Sections: At details 2, 3, and 18/S4.0, due to the thickness of the walls, two
mats of reinforcement are required. Please revise details to conform to ACI 318-14
Chapter 11 requirements.
Calculations provided. Comment addressed.
Plan Review by:
Andy Baturevich, P.E.
HCDA Engineering, Inc.
(719) 633-7784
Final Report Review and Local Contact:
Thomas R. Thompson, CBO and ICC Certified Plans Examiner
Sunrise Engineering
6875 South 900 East
Salt Lake City, UT 84047
Cell (303) 328-1546
Office (435) 743-6151 E-mail tthompson@sunrise-eng.com
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