2015-03-16 AMEND 1 TO SUPPLEMENT 3 TO SHARING AGREEMENT - CLEAN.DOCX

AMENDMENT NO. 1
TO
SUPPLEMENTAL AGREEMENT NO. 3
TO
PHOENIX INTERGOVERNMENTAL TELECOMMUNICATIONS FACILITIES SHARING AGREEMENT
NO. 90036
C-76-02-019-2-06
C-76-02-019-2-05
C-76-02-019-2-01
C-76-02-019-2-00
Pursuant to that Intergovernmental Agreement No. 90036 between the City of Phoenix and Maricopa
County for Sharing Telecommunications Facilities (C-76002-019-2-00) which agreement was entered
into as of February 1, 2002 ("Master Sharing Agreement"), and as such Master Sharing Agreement was
amended by the First Amendment to Intergovernmental Agreement No. 90036 (C-76-02-019-2-05) as of
April 25, 2012, and as such Master Sharing Agreement was supplemented via Supplemental Agreement
No. 3 as of June 4, 2003, the CITY OF PHOENIX and MARICOPA COUNTY enter into this Amendment No.
1 to Supplemental Agreement No. 3 of the Master Sharing Agreement (C-76-02-019-2-06).
SITE:
Mt. Gillen, located at 7th Avenue and the Carefree Highway in Phoenix, Arizona, at Latitude N 33 degrees
47 minutes 31.12 seconds; and Longitude W 112 degrees, 05 minutes 08.56 seconds. The CITY OF
PHOENIX, the communications site owner, grants MARICOPA COUNTY permission to use the existing site
and tower for the continued operation of MARICOPA COUNTY’s 800 MHz radio repeaters, transmit and
receive antennas, microwave radios and dishes, and associated equipment identified in the paragraph
below titled "Existing Installation". The site is an integral part of MARICOPA COUNTY’s existing 800 MHz
public safety radio system, connected by microwave with MARICOPA COUNTY sites at White Tanks and
Thompson Peak. The site will continue to be an integral part of MARICOPA COUNTY’s new 700 MHz
public safety radio system. As such, the CITY OF PHOENIX grants MARICOPA COUNTY permission to
install and operate, at the Mt. Gillen site and tower, MARICOPA COUNTY’s new 700 MHz radio
repeaters, transmit and receive antennas, microwave radios and dishes , and associated equipment
identified in the paragraph below titled “New Installation”. The CITY OF PHOENIX grants MARICOPA
COUNTY permission to run both its 700 MHz public safety radio system and its 800 MHz system parallel
until such time that MARICOPA COUNTY is satisfied to de-commission the 800 MHz public safety radio
system at the site.
All power (except for normal 48 Volt DC power), air conditioning, lighting, telephone facilities, and other
services/systems required to operate MARICOPA COUNTY’s radio system shall be provided by the CITY
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OF PHOENIX as required by MARICOPA COUNTY. Required building penetrations, cost for installation
and maintenance of MARICOPA COUNTY's radio equipment shall be borne by MARICOPA COUNTY.
TOWER:
The CITY OF PHOENIX grants MARICOPA COUNTY permission to install path-diversity microwave dishes,
transmit and receive antennas, heliax, waveguide and other necessary cabling, on the existing tower
belonging to the CITY OF PHOENIX. The tower is currently at maximum capacity. Any further antenna
additions will require a tower analysis and strengthening to current load standards. Maricopa County is
responsible for all costs associated with upgrading it to meet current standards with regards to present
project. All work performed shall comply with good engineering and installation practices and building
codes.
TERM:
The term of this Amendment No. 1 to Supplement No. 3 of the Master Sharing Agreement shall be
coterminous with the underlying Master Sharing Agreement.
OPTION TO EXTEND:
Agencies shall have the option to extend this site-specific agreement for one additional ten-year term
under the same terms and conditions as stated in this Amendment No. 1 to Supplemental Agreement
No. 3 of the Master Sharing Agreement and any intervening amendments thereof. MARICOPA COUNTY
shall give the CITY OF PHOENIX written notice of its intention to extend the terms of this Amendment
No. 1 to Supplemental Agreement No 3 of the Master Sharing Agreement at least ninety (90) days prior
to the expiration of this Amendment No. 1 to Supplemental Agreement No. 3 of the Master Sharing
Agreement.
TERMINATION:
The CITY OF PHOENIX, as the owner of the communications facility, may terminate this Amendment No.
1 to Supplement No. 3 or MARICOPA COUNTY’s use of the facility at any time by giving no less than 365
days written notice to MARICOPA COUNTY. MARICOPA COUNTY, not owning the communications
facility, may terminate this Amendment No. 1 to Supplemental Agreement No. 3 of the Master Sharing
Agreement at any time by giving no less than ninety (90) days written notice to the CITY OF PHOENIX.
Unless sooner terminated, this Amendment No. 1 to Supplemental Agreement No. 3 of the Master
Sharing Agreement and any extension thereof shall automatically terminate upon termination of the
Master Sharing Agreement.
EXISTING INSTALLATION: (Drawings referenced in Attachment 1)
MARICOPA COUNTY shall continue to occupy its existing floor space for up to seven (7) equipment racks
in the Mt. Gillen facility, consisting of:
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 Five (5) MARICOPA COUNTY 800 MHz IntelliRepeaters
1. Control Channel 1, Frequency 858.7625 MHz
2. Control Channel 2, Frequency 857.7625 MHz
3. Voice Channel 3, Frequency 866.2000 MHz
4. Voice Channel 4, Frequency 866.1375 MHz
5. Voice Channel 5, Frequency 866.0625 MHz
 Two (2) 11 GHz Microwave Radio Systems, transmitting at 11445.000V MHz and 11445.000H
MHz.
 Three (3) 8 Ft. diameter Microwave Antennas, two (2) 800 MHz omni directional antennas and
one (1) GPS antenna
 One (1) 19" Rack Mounted Battery Plant [Absolyte] with charging unit.
The existing equipment shall remain in place and operational until the new equipment (described
below) has been installed, commissioned and placed into normal operation. At that time, the existing
equipment shall be de-commissioned and removed. MARICOPA COUNTY shall bear the costs of the
removal of the existing equipment.
NEW INSTALLATION: (Drawings Referenced in Attachment 1)
As part of its new installation, MARICOPA COUNTY shall occupy additional floor space for up to twelve
(12) equipment racks in the Mt. Gillen facility, consisting of:
 Six (6) MARICOPA COUNTY 700 MHz repeaters
1 Control Channel 1, Frequency 770.04375 MHz
2 Control Channel 2, Frequency 771.23125 MHz
3 Voice Channel 3, Frequency 771.48125 MHz
4 Voice Channel 4, Frequency 771.71875 MHz
5 Voice Channel 5, Frequency 772.25625 MHz
6 Voice Channel 6, Frequency 773.61875 MHz
 Six (6) 6 GHz Microwave Radio Systems. Exact transmit frequencies and polarization shall be
provided to CITY OF PHOENIX after completion of frequency coordination
 Nine (9) 6ft. Microwave Antennas, two (2) 700 MHz directional antennas and two (2) GPS
antennas
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 One set of backup Master Site equipment.
 One 48 volt DC power plant consisting of a DC charger and batteries (approximately 5 ft. by 4 ft.)
MARICOPA COUNTY shall bear the costs associated with this New Installation and the cost associated
with the removal of the existing installation.
REMOVAL OF EQUIPMENT:
MARICOPA COUNTY shall remove its property associated with the New Installation, and/or the Existing
Installation as applicable, upon termination by either agency.
FREQUENCY PROTECTION:
MARICOPA COUNTY shall be responsible for resolving interference problems generated by MARICOPA
COUNTY-owned equipment which affect existing frequencies employed by the CITY OF PHOENIX, and
shall bear the cost of such resolution.
The CITY OF PHOENIX shall be responsible for resolving interference problems generated by the CITY OF
PHOENIX-owned equipment which affect existing frequencies employed by MARICOPA COUNTY, and
shall bear the cost of such resolution.
MAINTENANCE:
Communications equipment installed at the site shall be maintained by the owner of the equipment.
The CITY OF PHOENIX shall provide unescorted access to the site by MARICOPA COUNTY personnel for
preventive and corrective maintenance activities. Preventive and corrective maintenance performed by
either agency that may affect the other agency's service shall be coordinated between the agencies
prior to the start of work. Service interruptions shall be kept to an absolute minimum.
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IN WITNESS WHEREOF, the parties have executed this Amendment No. 1 to Supplement No. 3 of the
Master Sharing Agreement on the date last written below.
MARICOPA COUNTY, a political subdivision of CITY OF PHOENIX, a municipal corporation
the State of Arizona Ed Zuercher, City Manager
By:____________________________________ By:____________________________________
Steve Chucri Debbie Cotton
Chairman of the Board of Supervisors Chief Information Officer
Date:___________________________________ Date:___________________________________
Attest: Attest:
By:____________________________________ By:____________________________________
Fran McCarroll City Clerk
Clerk of the Board
In accordance with A.R.S. Section 11-952, this In accordance with A.R.S. Section 11-952, this
Supplement has been reviewed by the Supplement has been reviewed by the
undersigned attorney who has determined that undersigned attorney who has determined that
this Supplement is in proper form and within this Supplement is in proper form and within
the powers and authority granted to Maricopa the powers and authority granted to City of
County under the laws of the State of Arizona. Phoenix under the laws of the State of Arizona.
_______________________________________ ______________________________________
Deputy County Attorney City Attorney
Date:___________________________________ Date:___________________________________
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Attachment 1 – Reference Drawings
See the following plans prepared by Patriot Towers/Wireless through Motorola Solutions:
GILL – Title Sheet & Project Information…………………..Sheet T-1, revised 10/14/2014
GILL – Topographical Survey……………………….………Sheet LS-1, revised 3/24/2014
GILL – Overall Site Plan……………………….……………Sheet C-1, revised 10/14/2014
GILL – Equipment Room Layout…………………………….Sheet C-2, revised 10/14/2014
GILL – Exterior Elevations…………………………………..Sheet C-3, revised 10/14/2014
GILL – General Specifications……………………………….Sheet SP-1, revised 10/14/2014
GILL – General Specifications………………………….……Sheet SP-2, revised 10/14/2014
GILL – General Specifications, Abbreviations & Legend……Sheet SP-3, revised 10/14/2014
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