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HomeMy WebLinkAbout2014-09-22 PACKET 06.7.Planning Staff Report T- Mobile Central, LLC — Conditional Use Permit Planning Case No. CUP2014 -034 September 22, 2014 Proposal T- Mobile Central, LLC has applied for an amendment to Resolution No. 04 -066, which approved the installation of nine antennas on top the City's water reservoir and the construction of a 20 -foot by 40 -foot equipment building, to mount three additional antennas on top of the existing water reservoir for a total of twelve antennas. No change will be made to the existing 20 -foot by 40 -foot equipment building. The installation of these three additional antennas will not significantly expand the wireless com- munication coverage area, but will improve communication capacity and data transmission speed to current and future wireless communication systems. The location of this site improvement is 8520 81st Street. A location map is shown below. Location Map Planning Considerations Ordinance Criteria The City's Electromagnetic Communication Facilities ordinance requires a conditional use permit for antennas and related wireless transmission facilities. Approval is subject to the provisions of the zoning ordinance and any conditions required by the City. Planning Staff Report T- Mobile Central, LLC — Planning Case No. CUP2014 -034 September 22, 2014 Page 2 of 6 T- Mobile Central, LLC's application complies with City ordinance regulations. Installing three ad- ditional antennas to the mounting platform on top of the water reservoir structure will not signifi- cantly change the appearance of antennas on the top of the reservoir. Site Characteristics There are two existing water reservoirs at the 8520 81st Street site. The smaller reservoir (1.0 million gallon) is located west of the 3.0 million gallon reservoir. The 3.0 million gallon ground reservoir was constructed in 1980. This water storage facility provides water service to the inter- mediate pressure zones in the community. Seven well pumps are used for the intermediate pressure zone, and they maintain a water elevation of 990 feet above mean sea level in the ground storage reservoirs. The 3.0 mg reservoir was repainted in 1997 and is scheduled for repainting in 2015. Both ground reservoirs are surrounded by an eight -foot tall chain link fence. Most of the 43.54 - acre parcel is generally open space with a varying degree of topography. A stormwater holding pond is located along the east side of this parcel. The 1.0 mg ground reservoir exists at the highest elevation of this property. The 3.0 mg ground reservoir has a base elevation of approximately 907, which is approximately 12 feet lower than 81st Street. Fire Station No. 2 is located approximately 500 feet north of the 3.0 mg ground reservoir. The only other structure on the property is a booster station. Well No. 6 is located approximately 150 feet southeast of the ground reservoirs and Well No. 9 is approximately 1,100 feet to the southeast. A paved access drive extends from 81st Street to the booster station. Residential dwellings are located along the west, south, and east sides of this city -owned land known as Pine Tree Valley Park. Equipment buildings exist along the north and east side of the 3.0 mg reservoir. T- Mobile and Sprint share the building on the east side. No changes are proposed to any of the existing equip- ment buildings or access to the property. An aerial photo of the site is shown below. 2013 Aerial Photo — View from the South Planning Staff Report T- Mobile Central, LLC — Planning Case No. CUP2014 -034 September 22, 2014 Page 3 of 6 An illustration of T- Mobile's antenna array on the platform mounted on top of the ground water reservoir is shown below. The proposed three new antennas and ancillary cabling and mounting brackets are required to be completed before the ground water reservoir is repainted. Repainting the reservoir is scheduled for early spring next year. X .1. 7 Antenna Array Planning Staff Report T- Mobile Central, LLC — Planning Case No. CUP2014 -034 September 22, 2014 Page 4 of 6 MilMAIMI'. df TMO(WM NliMXgM1]�. V.J rIN. Mtd MPf tU1- 1MMIIr klfrlllfR 0 d! CCOIIr6laJUNf111PMTP(X1J: 1.1 1411•m1Yln1'V /.Ilfl'NrM.ryHl H'FTfSTdifR T- FY]Cl1: MUIIN Water Tower Elevation Antennas The proposed three new panel designed antennas are approximately 96.4 inches tall and 7.1 inches wide. These antennas are similar to the size of the nine existing antennas on top of the water tower. One new antenna will be mounted at each of the three sectors on the antenna mount- ing platform. The total number of antennas by T- Mobile at this site will be twelve. An illustration of the three new antennas is shown below. rr �I l.a• _I ANDREW LNXfi61805d11M RL'4MI 60.3169 pn+navnll +: ac.nnx n,nvx ?.rn d'A.IIf <:R.w.'+: Tll�'I)14 nex1A1x1l E1STf Y.1 SIDE FRONT Pole Design Antenna Planning Staff Report T-Mobile Central, LLC – Planning Case No. CUP2014-034 September 22, 2014 Page 5 of 6 Utilities Private and public utility services are available in this area, but no changes are necessary for the installation of the three new antennas. Coverage Area The applicant explained that the installation of these three antennas will not significantly expand their coverage area, but will improve data transfer speed and capacities. Public Hearing Notices The public hearing notice was mailed to 230 property owners who are within 500 feet of the site on September 10, 2014 and published in the South Washington Bulletin on September 10, 2014. Recommendations That the Planning Commission recommend approval of T-Mobile Central, LLC’s conditional use permit amending Resolution No. 04-066, which approved the installation of 18 antennas on top (nine antennas for T-Mobile and nine antennas for Sprint Spectrum) the City’s 3.0 mg water res- ervoir and the construction of a 20-foot by 40-foot equipment building, to allow T-Mobile Central to mount three additional antennas on top of the existing 3.0 mg water reservoir at 8520 81st Street. No change will be made to the existing 20-foot by 40-foot equipment building. Approval of T-Mobile’s conditional use permit is subject to the conditions listed below: 1. All applicable permits (i.e., building, electrical, mechanical) and a commercial plan review packet must be completed, submitted, and approved by the Building Official, Fire Marshal, and Public Works Director prior to the commencement of any construction activities. 2. Applicant must submit as-built drawings to the City upon completion of the installation. 3. Applicant must comply with the terms and conditions of the Lease. 4. The applicant must schedule a pre-construction meeting with the Public Works Director before work can begin. 5. Advertising on the antennas is prohibited. 6. Outdoor storage is prohibited. 7. Color and sample materials for all cables, antennas, and mounting brackets/braces must be submitted to the Public Works Director for final approval prior to issuance of the building per- mit. City specified manufactured colored coaxial cable will be required (painted coaxial cable will not be accepted). 8. No significant change in the use or design of the antennas may be made without the Public Works Director’s consent. Minor modifications to service or use may be considered if such changes will not cause the antennas to violate the performance standards set forth in the City Codes or the conditions of this conditional use permit. 9. Utilities must be installed underground as approved by the Public Works Director. Planning Staff Report T-Mobile Central, LLC – Planning Case No. CUP2014-034 September 22, 2014 Page 6 of 6 10. Installation of the three new antennas and all ancillary cables and brackets must be completed before the water tower is repainted in early spring 2015. 11. The applicant is responsible for the maintenance and upkeep of the equipment building and access drive and for restoration of any erosion caused by stormwater runoff from the equip- ment building or access drive. 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