Virtual PC Meeting

Due to COVID-19, Planning Commission hearings are currently being held virtually. Information regarding how to participate will be available on the Planning Commission webpage approximately one week prior to the hearing at https://boco.org/PC. To join by phone, dial 1-833-568-8864 (toll free) and enter the Webinar ID: 160 905 8455

This agenda is subject to change. Please call ahead (303-441-3930) or check the Planning Commission webpage to confirm an item of interest. For special assistance, contact our ADA Coordinator (303-441-3525) at least 72 hours in advance.

If you have comments regarding this item, you may mail comments to the Community Planning & Permitting Department (PO Box 471, Boulder, CO 80306) or email to [email protected]. Please reference the docket number of the subject item in your communication.



Written comments related to any new information introduced since the August 17, 2022 Planning Commission public hearing will be accepted until 8:00AM on September 1, 2022. Oral public testimony (taken live virtually or by phone) may not be permitted, or may be limited, at the discretion of the Planning Commission and will be determined on September 1.
Request: Special Use/Site Specific Development Plan review to amend an existing Special Use approval (SU-93-
14) for limestone/shale open mining/quarrying located at the Dowe Flats Quarry, extending approved mining
activities for an additional 15 years; the original permit area of 1,911 acres to be reduced to 709 acres; the
concluding of cement plant operations at the facility located south of Highway 66 within the same 15-year
timeframe; with concurrent reclamation of wildlife habitat.
Location: 13301 55th Street, Parcel #120316000050, located approximately 0.5 mile north of the intersection of
N. 53rd Street and state Highway 66, in Sections 9, 10, 15, and 16, Township 3N, Range 70W.
Zoning: Agricultural (A) Zoning District
Applicant/Property Owner: John Heffernan, CEMEX, Inc.
Agent: Pam Hora, Tetra Tech, Inc.
Cosigned by: Boulder County Parks & Open Space
Website: https://boco.org/SU-22-0003
Action Requested: Recommendation to BOCC
Staff Planner: Pete L'Orange