HomeMy WebLinkAboutSupporting Documentation - Historic Preservation - 11/15/2023Historic Preservation Services
Community Development & Neighborhood Services
281 North College Avenue
P.O. Box 580
Fort Collins, CO 80522.0580
970.224.6078
preservation@fcgov.com
fcgov.com/historicpreservation
CERTIFICATE OF APPROPRIATENESS
ISSUED: November 15, 2023
EXPIRATION: November 15, 2024
Katherine Herr
426 E. Oak St.
Fort Collins, CO 80524
Dear Katherine Herr:
As you are aware, on Wednesday evening the Historic Preservation Commission gave Final
Design Review approval for the work you are proposing for the Hottel/Hoffman House & Ash
Pit, at 426 E. Oak St..
More specifically, the Commission approved:
1. Construction of a detached ADU at the rear of the property (includes demolition of non-
contributing accessory structure)
Applicable
Code
Standard
Summary of Code Requirement and Analysis Standard
Met (Y/N)
SOI #1 A property will be used as it was historically or be given a new
use that requires minimal change to its distinctive materials,
features, spaces, and spatial relationships.
The property is retaining its residential use, which is proposed
to be expanded through a detached ADU.
Y
SOI #2 The historic character of a property will be retained and
preserved. The removal of distinctive materials or alteration of
features, spaces, and spatial relationships that characterize a
property will be avoided.
The 1886 Hottel/Hoffman House is significant for both its
history and its architecture. The home is associated with two
individuals involved with the milling industry in Fort Collins.
The house’s first resident, Andrew Hottel, arrived in Fort
Collins in 1876 and worked for sixteen years at the Lindell
Mill. He left Fort Collins in 1892 to work as a manager at the
Lamar Milling and Elevator in Lamar, Colorado, and the
property passed to John Hoffman. Hoffman also worked for
Y
- 2 -
the Lindell Mill, and he lived in this house with his wife,
Frances Coy, daughter of John Coy. Soon after buying this
house, Hoffman built and operated the Hoffman Feed Mill on
Riverside Avenue. He enlarged the mill and expanded its use
to include flour processing in 1900. He and his family lived in
this house until John’s death in 1955.
The house also has significance for its architecture. It is a
well-preserved and locally rare example of a two-story, wood-
frame Italianate residence. It has character-defining features
like the highly decorative carpentry elements, such as the
cornice brackets, the circular design elements on the window
lintels, as well as the narrow double-hung wood windows,
unusual dormers, and steeply pitched gables.
Additionally, the c. 1890 ash pit is a contributing feature on
this property. This brick, concrete-coated structure is dome-
shaped and about three feet high and about four feet wide. It
is a locally rare example of a once-common part of domestic
life, trash incineration, and is the only known extant example
of this form of ash pit in the city.
Because the proposed detached ADU is situated at the rear of
the property and is unlikely to physically impact the historic
features on the property or disrupt the relationship between
the house and ash pit, this standard is met.
The accessory building at the rear of this property was
specifically excluded from the Landmark designation of this
property, and so its removal still meets this standard.
SOI #3 Each property will be recognized as a physical record of its time,
place, and use. Changes that create a false sense of historical
development, such as adding conjectural features or elements
from other historic properties, will not be undertaken.
.
Because of the differentiation of the proposed ADU from the
historic house, through the use of modern materials like the
cementatious siding and trim, for example, the proposed
alterations avoid creating a false sense of historical
development on the property.
Y
SOI #4 Changes to a property that have acquired historic significance in
their own right will be retained and preserved.
The accessory structure that is proposed for demolition is not
a contributing feature on this property, and so this standard is
met.
Y
SOI #5 Distinctive materials, features, finishes, and construction
techniques or examples of craftsmanship that characterize a
property will be preserved.
Y (see
condition
below)
- 3 -
Because of its location on the rear of the lot, it is unlikely that
the construction of the proposed new ADU/carriage house
would harm the historic house or ash pit; however, a Plan of
Protection shall be submitted prior to building permit
issuance to ensure that contractors are aware of the location
of the ash pit to prevent any accidental damage.
SOI #6 Deteriorated historic features will be repaired rather than
replaced. Where the severity of deterioration requires
replacement of a distinctive feature, the new feature will match
the old in design, color, texture, and, where possible, materials.
Replacement of missing features will be substantiated by
documentary and physical evidence.
N/A
SOI #7 Chemical or physical treatments, if appropriate, will be
undertaken using the gentlest means possible. Treatments that
cause damage to historic materials will not be used.
N/A
SOI #8 Archeological resources will be protected and preserved in place.
If such resources must be disturbed, mitigation measures will be
undertaken.
There is not reason to believe that there is a likelihood of
uncovering archaeological resources during any excavation
needed for the proposed ADU, however, the property owners
should note this requirement, and should any archaeological
resources be uncovered, contact Historic Preservation
Services immediately for assistance.
Y
SOI #9 New additions, exterior alterations, or related new construction
shall not destroy historic materials that characterize the property.
The new work shall be differentiated from the old and shall be
compatible with the massing, size, scale, and architectural
features to protect the historic integrity of the property and its
environment.
Again, although damage is unlikely, a Plan of Protection is
required prior to building permit issuance to ensure that
contractors are aware of the location of the ash pit to prevent
any accidental damage (staff can provide a template form).
The design of the proposed ADU is compatible with the
existing historic house because several elements of the historic
house have been carried over, such as the gabled roof forms,
one-over-one windows and the form of the back porch with its
hipped roof and square columns. It is located at the very rear
of the lot, and although it would not be entirely hidden behind
the existing house, the depth of the lot and the one-story
height of the proposed structure make its visual impact from
the street minimal. Choices like the use of a modern cladding
material with a slight variation in reveal and the shallower
Y (see
condition
below)
- 4 -
pitch of roof clearly identify the proposed structure as new
construction.
SOI #10 New additions and adjacent or related new construction will be
undertaken in such a manner that, if removed in the future, the
essential form and integrity of the historic property and its
environment would be unimpaired.
Because the proposed ADU is not attached to the historic
house, it could easily be removed in the future without
disrupting the house or ash pit.
Y
The Commission placed the following condition(s) on the approval:
1. The applicant shall submit a Plan of Protection for the historic resources on site prior to
building permit issuance.
The Commission found that the proposed work meets the criteria and standards in Chapter 14,
Article IV of the Fort Collins Municipal Code. Notice of the approved application has been
forwarded to building and zoning staff to facilitate the processing of any permits that are needed
for the work.
Please note that all ensuing work must conform to the approved plans. Any non-conforming
alterations are subject to stop-work orders, denial of Certificate of Occupancy, and restoration
requirements and penalties.
If the approved work is not completed prior to the expiration date noted above, you may apply
for an extension by contacting staff at least 30 days prior to expiration. Extensions may be
granted for up to 12 additional months, based on a satisfactory staff review of the extension
request.
You may appeal this decision within two weeks by submitting a written notice of appeal to the
City Clerk within fourteen (14) calendar days of this decision. Grounds and process for appeals
are enumerated in Chapter 2, Division 3 of the Fort Collins Municipal Code.
If you have any questions regarding this approval, or if I may be of any assistance, please do not
hesitate to contact staff at preservation@fcgov.com or at (970) 224-6078.
Sincerely,
Jim Rose, Chair
Historic Preservation Commission
City of Fort Collins Design Review Application Page 1
Design Review Application
Historic Preservation Division
Fill this form out for all applications regarding designated historic buildings within the city limits of the City of Fort Collins.
Review is required for these properties under Chapter 14, Article IV of the Fort Collins Municipal Code.
Applicant Information
Applicant’s Name Daytime Phone Evening Phone
Mailing Address (for receiving application-related correspondence) State Zip Code
Email
Property Information (put N/A if owner is applicant)
Owner’s Name Daytime Phone Evening Phone
Mailing Address (for receiving application-related correspondence) State Zip Code
Email
Project Description
Provide an overview of your project. Summarize work elements, schedule of completion, and other information as
necessary to explain your project.
Reminders:
Complete application would need
all of checklist items as well as both
pages of this document.
Detailed scope of work should
include measurements of existing
and proposed.
The following attachments are REQUIRED:
Ƒ Complete Application for Design Review
Ƒ Detailed Scope of Work (and project plans, if available)
Ƒ Color photos of existing conditions
Please note: if the proposal includes partial or full demolition of an existing building or structure, a separate
demolition application ŵĂLJ need to be approved.
Additional documentation may be required to adequately depict the project, such as plans, elevations, window
study, or mortar analysis. If there is insufficient documentation on the property, the applicant may be required
to submit an intensive-level survey form (at the applicant’s expense).
Katherine Herr 9702324727 9702324727
426 E. Oak St. Fort Collins CO 80524
katherine.acott@gmail.com
N/A
The proposal is to build a carriage house on the alley side (north side) of the lot, and to plan for a future separate detached
garage.
The reason to build the carriage house is that Amanda Acott, Katherine's daughter, is special-needs and requires 24/7/365
home care. Katherine has been providing that care, and a day will come when that is no longer sustainable and a live-in
assistant will be required.
The carriage house will be a 2 bedroom / 2 bath unit with a standard kitchen. We have planned it using the proposed zoning
code (as opposed the current code) in anticipation of the new code being adopted by City Council.
City of Fort Collins Design Review Application Page 2
Detail of Proposed Rehabilitation Work (*Required)
If your project includes multiple features (e.g. roof repair and foundation repair), you must describe each
feature separately and provide photographs and other information on each feature.
Feature A Name:
Describe property feature and
its condition:
Describe proposed work on feature:
Feature B Name:
Describe property feature and
its condition:
Describe proposed work on feature:
Use Additional Worksheets as needed.
This page is NA. See accompanying architectural
plans.
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Historic Preservation Services
Community Development & Neighborhood Services
281 North College Avenue
P.O. Box 580
Fort Collins, CO 80522.0580
970.224.6078
preservation@fcgov.com
fcgov.com/historicpreservation
ZĞƐƉŽŶƐĞƐƚŽtŽƌŬ^ĞƐƐŝŽŶYƵĞƐƟŽŶƐ
Address: 426 E. Oak St. (,ŽƩĞůͬ,ŽīŵĂŶ,ŽƵƐĞΘƐŚWŝƚ)
Project: ŽŶĐĞƉƚƵĂů>ĂŶĚŵĂƌŬĞƐŝŐŶZĞǀŝĞǁ ĨŽƌĚĞƚĂĐŚĞĚh
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ŶŽƌƚŚǁĞƐƚ͕ĨƌŽŶƚ͕ƌĞĂƌĂŶĚƐŝĚĞĨĂĐŝŶŐͿ͕ƚŽƐŚĞĚ;ĨƌŽŶƚƉŽƌĐŚͿ͕ƚŽŽĐƚĂŐŽŶĂů;ƐŽƵƚŚǁĞƐƚďĂLJ
ǁŝŶĚŽǁ͕ĨƌŽŶƚĨĂĐŝŶŐͿ͕ƚŽŚŝƉ;ďĂĐŬƉŽƌĐŚ͘dŚĞƐůŽƉĞƐǀĂƌLJĨƌŽŵĂƉƉƌŽdžŝŵĂƚĞůLJϯ͗ϭϮƵƉƚŽ
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We protect what matters most™
GAF shingles and roof accessories
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The one-stop guide from North America’s largest roofing manufacturer
Residential Reference Guide
415172_RESGN100-0223_Residential-Reference-Guide_US-ENGLISH_R2.indd 1 2/11/23 5:13 PM
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LRS Pages
Technology Index 3
GAF Lifetime† Roofing System LRS 4–5
GAF Shingles 6–19
Timberline® Lifetime† Shingles Collection LRS
Timberline HDZ® O 8
Timberline® UHDZ™O 9
Timberline® NS O 10
Timberline® CS O 11
Designer Lifetime† Shingles® Collection LRS
Grand Canyon®O 13
Camelot® II O 14
Grand Sequoia®O 14
Woodland®O 15
Slateline®O 15
SBS Modified IR Shingles Collection LRS
Timberline® AS II O 16–17
Grand Sequoia® AS O 16–17
3-Tab Shingle Collection (Excluded from LRS)
Royal Sovereign®18–19
Shingle Specifications Chart 20–21
GAF Roofing Accessories LRS 22–27
Leak Barriers O 23
Roof Deck Protection O 24
Starter Strip Shingles O 25
Cobra® Attic Ventilation O 26
Ridge Cap Shingles O 27
Other Products 28–31
Master Flow® Ventilation Products 28
WeatherSide™ Fiber-Cement Siding 29
ThermaCal® Building Envelope
Insulation Panels 30
LIBERTY™ Self-Adhering
Roofing System 31
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Timberline® UHDZ™
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Most Popular Colors:
Barkwood O O O O
Charcoal O O O O
Pewter Gray O O O O
Shakewood O O O O
Slate O O O O
Weathered Wood O O O O
Timberline HDZ®
1 2 3 4 5 6 7
Most Popular Colors:
Barkwood O O O O O O O
Charcoal O O O O O O O
Hickory O O O O O O O
Hunter Green O O O O O O O
Mission Brown O O O O O O O
Pewter Gray O O O O O 1 O O
Shakewood O O O O O O O
Slate O O O O O O O
Weathered Wood O O O O O O O
Harvest Blend Colors:
Appalachian Sky O O O O O O
Nantucket Morning O O O O O O
Golden Harvest O O O O O O O
Cedar Falls O O O O O O O
Regional Colors:
Biscayne Blue O
Birchwood2 O O O O O
Copper Canyon2 O
Driftwood O O
Fox Hollow Gray O O
Golden Amber1,2 O
Oyster Gray O O O
Patriot Red O
Sunset Brick O
White2 O
Williamsburg Slate O O
Color Availability
1 Limited availability.
2 Rated by the Cool Roof Rating Council (CRRC) and can be used to comply with 2019 Title 24, Part 6, Cool Roof Requirements of the California Code of Regulations.
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Now with GAF Time-Release
Algae-Fighting Technology and
LayerLock® Technology, Timberline HDZ®
offers everything you can expect from an
architectural shingle roof, and more.
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Barkwood Driftwood
Golden AmberPatriot Red Sunset Brick Biscayne Blue
Oyster Gray Fox Hollow GrayBirchwood White
Mission Brown
Pewter GrayCharcoal
ShakewoodHickory
Slate Hunter Green
Available regionally
Williamsburg
Slate
For more details visit gaf.com/TimberlineHDZ
1 15-year WindProven™ limited wind warranty on GAF Shingles with LayerLock® Technology requires the use of GAF Starter Strips, Roof Deck Protection, Ridge Cap Shingles,
and Leak Barrier or Attic Ventilation. See GAF Roofing System Limited Warranty for complete coverage and restrictions. Visit gaf.com/LRS for qualifying GAF products.
For installations not eligible for the GAF Roofing System Limited Warranty, see the GAF Shingle & Accessory Limited Warranty.
NOTE: It is difficult to reproduce the color clarity and actual color blends of these products. Before selecting your color, please ask to see several full-size shingles.
LIFETIME
LIMITED
WARRANTY TERM
†
STAINGUARD
ALGAE PROTECTION
PLUS™
LIM
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Cedar
Falls
Golden
Harvest
Nantucket
Morning
Appalachian
Sky
Weathered
Wood
Copper Canyon
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