HomeMy WebLinkAboutFile Documents.232 E Main St.0078-2020-BCHO (70)Structural Plan Review
November 24, 2020
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.
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.
3. Sheet S-1.0 General Notes: Under “Concrete”, change both references in note #3 from
ACI 318-11 to ACI 318-14.
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.
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.
6. Sheet S2.0 First and Second Floor Plans: Column size doesn’t match CLT drawings at all
TC2 columns. Please clarify.
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.
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.
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.
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.
Plan Review by:
Andy Baturevich, P.E.
HCDA Engineering, Inc.
(719) 633-7784
Final Report Review and Local Contact: 11/24/2020
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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
11/24/2020