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HomeMy WebLinkAboutMemo.HPC Conceptual.211 W Hopkins Ave Page 1 of 4 130 South Galena Street Aspen, CO 81611-1975 | P: 970.920.5197 | cityofaspen.com MEMORANDUM TO: Aspen Historic Preservation Commission FROM: Amy Simon, Interim Planning Director/Historic Preservation Officer MEETING DATE: November 18, 2020 RE: 211 W. Hopkins Avenue– AspenModern Historic Designation, Conceptual Major Development Review including Relocation, Variations, PUBLIC HEARING CONTINUED FROM OCTOBER 28, 2020 APPLICANT /OWNER: Matt Joblon, 205 S. Detroit Street , Suite 400, Denver, CO 80206, with the consent of property owner Vaughan Capital Partners, LP REPRESENTATIVE: Rowland + Broughton BendonAdams LOCATION: Street Address: 211 W. Hopkins Avenue Legal Description: Lots F and G, Block 53, City and Townsite of Aspen Parcel Identification Number: PID# 273512463003 CURRENT ZONING & USE: Single-family home, R-6: Medium Density Residential PROPOSED ZONING & LAND USE: Two detached homes, R-6: Medium Density Residential SUMMARY: The applicant has offered voluntary AspenModern historic designation of a 1956 Pan Abode, and requests Major Development, Relocation and Variation review for a project which involves restoring the resource, excavating a basement below it, and constructing a detached new home along the alley. STAFF RECOMMENDATION: Staff recommends continuation for restudy of the design of the new unit, in particular the north façade and roof plan as indicated at the October 28th hearing. Site Locator Map – 211 W. Hopkins Avenue 211 Page 2 of 4 130 South Galena Street Aspen, CO 81611-1975 | P: 970.920.5197 | cityofaspen.com BACKGROUND: 211 W. Hopkins is a 6,000 square foot lot located in the R-6 zone district. The site contains a 1956 Pan Abode, which is essentially unaltered. It is still owned by the same family that originally built it. REQUEST OF HISTORIC PRESERVATION COMMISSION (HPC) The Applicant is requesting the following land use approvals: • AspenModern Historic Designation (Section 26.415.025 and Section 26.415.030) for negotiation of a voluntary designation. • Major Development (Section 26.415.070.D) for removal of a non-historic addition, restoration on the Pan Abode and construction of a new structure at the rear of the property. • Relocation (Section 26.415.090.C) to excavate a basement below the Pan Abode in its original location. • Setback Variations (Section 26.415.110.C) for a rear yard variation. The Historic Preservation Commission (HPC) is making a recommendation to Council on this application. STAFF COMMENTS: Following is a summary of staff findings. Please see Exhibits A, B, C and D for more detail. Staff supports the voluntary designation of this property as one of the best and most intact examples of a Pan Abode home in Aspen. The benefits requested for designation (tree removal fee waivers, expedited permit review, a floor area bonus and setback variation) are reasonable in consideration of the community benefit of the project. The project approach is an ideal preservation outcome. The cabin is preserved with no addition and new construction is detached and located at the rear of the site. Staff recommended on October 28th, and still recommends, restudy of the design of the north façade and roof plan of the new unit in order to achieve the most sympathetic and compatible relationship with the small historic structure being preserved. HPC agreed with this direction at the last hearing, the minutes of which are attached. The restudy that has been provided uses material changes and a vertical trim board to address the concerns expressed with a low pitched and wide gable form set behind the Pan Abode. Staff finds the restudy is not yet successful. A second design issue mentioned in the previous meeting was a fence near the northwest corner of the Pan Abode. A revision has been provided that reduces the height of the fence so that it meets the design guidelines. The new structure must meet the Residential Design Standards, which appears to be the case but will be confirmed based on the restudy. Page 3 of 4 130 South Galena Street Aspen, CO 81611-1975 | P: 970.920.5197 | cityofaspen.com REFERRAL COMMENTS: The application was referred out to other City departments to preliminarily identify requirements that may affect permit review. Applicant follow-up on these comments as part of building permit review is a condition of approval. Parks: The new water line is to be installed under where the front walk is now located to minimize impacts to the spruce and aspen in the front yard. A site visit with the Forester is needed prior to this installation so he can direct the best route for the tree roots. A tree permit must be issued for all removals. This permit will call out specifics for the dripline excavation for the trees at the front of the property. No trees in the right-of-way on West Hopkins are approved to be removed. The impact of the project on the driplines of neighbor’s trees will be need to be considered. Some neighboring trees might need to be removed. The applicant will be required to provide the Forester with a letter from the trees’ owners saying they accept the impacts and risks to their trees. The applicant may need to treat impacted trees with growth regulating hormones and trunk injections for bark beetle protection. Engineering: One item needs to be addressed for this property prior to HPC approval. 1. The proposed transformer shown on sheet L300 does not have adequate space. 10’ in depth and 13’ in width needs to be provided for a 7’x7’ vault with 3’ clearances on the sides and back. The plan sheet shows only 5’ from the property line to the building. The following items will need to be addressed at building permit. 1. The proposed drywell must be 10’ from the neighboring property. A Geotech or structural engineer must supply a stamped letter stating the drywell within 10’ of the proposed structure and existing cabin foundation will have no adverse effects. 2. At building permit the project may be required to detach the existing sidewalk and install a new sidewalk with a 5’ landscape buffer between the curb and sidewalk. The neighboring property to the west has a current building permit and may detach their portion of the sidewalk depending on existing tree constraints. If this happens the sidewalk at 211 W shall also be detached. 3. At building permit the project will need to determine the water service line size and configuration for the two buildings. Currently two service lines are proposed per sheet L300. The water service line on the east runs under the dripline of the large spruce tree. The excavation that close to the tree trunk will most likely kill the tree. This needs further vetting. Page 4 of 4 130 South Galena Street Aspen, CO 81611-1975 | P: 970.920.5197 | cityofaspen.com 4. Foundation drywells are proposed in close proximity to the east spruce tree. Excavation cannot take place within the dripline of the tree. It needs to be shown excavation can take place to accommodate the foundation drywells without adversely affecting the tree. RECOMMENDATION: Staff recommends the Historic Preservation Commission continue the project to restudy the new unit for compliance with guidelines 11.3., 11.4 and 11.6. ATTACHMENTS: Resolution #__, Series of 2020 Exhibit A – Historic Designation and Benefits Criteria/Staff Findings Exhibit B – Historic Preservation Design Guidelines Criteria /Staff Findings Exhibit C – Relocation Criteria/Staff Findings Exhibit D – Setback Variation Criteria/Staff Findings Exhibit E – November 18th revised application Exhibit F – October 28th application Exhibit G – Draft Oct. 28th HPC minutes