Irrigation district gets approval for boulder retaining wall up to 10 feet tall

Site plan dated April 17, 2025 showing the existing house, a new retaining wall, sediment control and parcel boundaries, with zoning R-1A and about 1.8 acres.

April 24, 2025 · 1 page · 7.9 MB · PDS-Maps and Drawings

Grading plan dated Apr. 17, 2025 showing existing and proposed contours, grading conditions requiring subgrade and final inspections, and cut and fill volumes for the site.

April 24, 2025 · 1 page · 1.3 MB · PDS-Maps and Drawings

Describes a rockery wall under 100 feet long, four to ten feet high, widening an access drive for irrigation district maintenance, disturbing under 0.04 acres.

April 24, 2025 · 1 page · 50 KB · PDS-Letter of Intent

Approval letter for a Category II Hillside and Foothills permit to build a 10-foot boulder retaining wall, subject to a swale and foundation drain revisions before building permit.

June 27, 2025 · 6 pages · 222 KB · PDS-Action Letter

City notice that staff approved a hillside permit for a retaining wall, with appeals due by July 7, 2025.

June 25, 2025 · 2 pages · 729 KB · PDS-Legal Notice

Application for a Category II hillside and foothills review covering a 1.81-acre R-1A parcel in a floodplain and wildland-urban interface, with a Boise River System Permit requested.

April 28, 2025 · 2 pages · 198 KB · PDS-Application

Geotechnical memorandum presenting hand auger findings and preliminary design recommendations for a proposed rockery retaining wall widening the Ridenbaugh Canal Diversion Dam access road.

June 27, 2025 · 11 pages · 2.8 MB · PDS-Other Small Docs

Revised grading plan sheet with general grading notes, cut and fill figures, and a boulder retaining wall detail along the Ridenbaugh Canal area.

June 12, 2025 · 1 page · 1.4 MB · PDS-Maps and Drawings

Memorandum presenting hand auger findings and preliminary geotechnical recommendations for a proposed rockery retaining wall at the Ridenbaugh Canal Diversion Dam, prepared for RSCI Group.

April 28, 2025 · 11 pages · 2.5 MB · PDS-Other Small Docs

Memorandum from GeoEngineers on hand auger findings and geotechnical recommendations for a proposed rockery retaining wall at the Ridenbaugh Canal Diversion Dam access road.

April 24, 2025 · 11 pages · 1.9 MB · PDS-Other Small Docs

Engineer's calculations for a 12-foot boulder retaining wall, covering soil and boulder properties, earth pressures, and overturning and sliding factors of safety.

April 24, 2025 · 4 pages · 264 KB · PDS-Other Small Docs

Six dated photos from April 17, 2025 showing the approximate location and face of the rockery wall.

April 24, 2025 · 6 pages · 32.5 MB · PDS-Photos

Fire department approves the rockery retaining wall along an irrigation access drive, asking the applicant to consider emergency egress from the river.

June 27, 2025 · 2 pages · 308 KB · PDS-Agency Comments

Public Works staff find the boulder retaining wall suitable if the technical reports are followed, and require a swale and foundation drain revisions before building permit approval.

June 27, 2025 · 3 pages · 147 KB · PDS-Agency Comments

The fire department approves the retaining wall project with a comment on considering emergency egress from the river for victim rescue and transport to the parking area.

May 16, 2025 · 2 pages · 308 KB · PDS-Agency Comments

Map showing the area within the notice radius for neighboring property owners who were sent notice of the application.

June 25, 2025 · 669 KB · PDS-Maps and Drawings

Checklist answering whether the project involves new parcel lines, additions, dwellings, access roads, grading over 12 inches deep, and retaining walls, with walls over 4 feet exposed.

April 24, 2025 · 1 page · 674 KB · PDS-Other Small Docs

April 24, 2025 · 50 KB · PDS-Statement of Legal Interest

April 24, 2025 · 809 KB · PDS-Submittal Checklist

April 24, 2025 · 99 KB · PDS-Transmittal Agencies

April 17, 2025 · 131 KB · PDS-Receipts