FAA Approval

City of Chandler — Regular Meeting (2022-12-07)

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831380.doc 
 
8/5/2020 
 
ASACSafety.com 
 
1 
 
 
 
ASAC SITE SPECIFIC EVALUATION 
FOR 
Site Name: Crown Jewel 
Site Number: 831380 
Site Location: Gilbert, AZ. 
 
Requestors Name: Jessica Madsen 
Company Name: Crown Castle 
Street Address: 2055 S. Stearman Drive 
City and Zip: Chandler, AZ.  85286 
 
This is an evaluation based on application of surfaces identified in Federal 
Aviation Regulation (FAR) Part 77 and Federal Communication Commission 
(FCC) Rules Part 17. 
 
EXECUTIVE SUMMARY 
 
 The max height that can be built at this site without notice to the FAA 
is 23 feet AGL or 1272 feet AMSL. 
 
 The max No Extended Study height at this site is 144 AGL, or 1393 
AMSL. 
 
 The max no hazard height at this site is 144 AGL, or 1393 AMSL. 
 
 The max no marking and lighting height at this site is 144 AGL, or 1393 
AMSL. 
 
SITE DATA  
 
Structure Type: Antenna Tower 
 
Coordinates of site:  
Lat: 
   
3316’33.68” 
 
 
 
 
Long:  
11147’33.49” 
 
 
 
 
Datum: 
 
NAD 83 
 
Site ground elevation: 
 
 
 
 
 
 
1249 
Total height above the ground of the entire structure (AGL): 
144 
Total height above mean sea level (AMSL): 
 
 
 
1393

831380.doc 
 
8/5/2020 
 
ASACSafety.com 
 
 
 
AIRPORT/HELIPORT INFORMATION 
 
Nearest public use or Government Use (DOD) facility: Chandler Municipal.        
 
This structure will be located 1.0 NM or 6173 FT from the airport on a bearing 
of 246 degrees true to the airport. 
 
Nearest private use landing facility is: Mercy Gilbert Medical Center.       
 
This structure will be located 2.1 NM from the helipad on a bearing of 70 
degrees true to the helipad. 
 
 
STUDY FINDINGS 
 
FAA FAR Part 77 paragraph 9 (FAR 77.9):  (Construction or Alteration requiring 
notice.) (These are the imaginary surfaces that the FAA has implemented to 
provide general criteria for notification purposes.) 
 
This structure does require notification to the FAA. 
 
FAA FAR Part 77 paragraph 17(FAR 77.17): (Standards for Determining 
Obstructions.)(These 
are 
the 
imaginary 
surfaces 
that 
the 
FAA 
has 
implemented to protect aircraft safety.  If any of these surfaces are 
penetrated, the structure may pose a Hazard to Air Navigation.)   
 
This structure does not exceed these surfaces. 
 
FCC Notice Requirements: 
(FCC Rules, Part 17) 
 
This structure does require notification to the FAA or FCC based on these 
rules. 
 
FAA EMI: 
(The FAA protects certain air navigational aids, radio transmitters, and RADAR 
facilities from possible interference.  The distance and direction are 
dependent on the type of facility being evaluated. Some of these transmission 
and receiver facilities are listed in the National Flight Data Center (NFDC) 
database.) 
 
This site would not affect any FAA air navigational aids or transmitters.

831380.doc 
 
8/5/2020 
 
ASACSafety.com 
 
 
 
 
Military Airspace: 
(This would include low level visual and instrument routes along with 
operations areas and special use airspace.) 
 
This structure will not affect this airspace. 
 
 
AM Facilities: 
(The FCC protects AM radio stations from possible interference for a distance 
of 3.0 km for directional facilities, and 1.0 km for non-directional facilities.  
New changes to the FCC critical distances are calculated based on the AM 
transmission Movement Method Proof evaluation.) 
 
This site was evaluated against the FCC’s AM antenna database using the 
Movement Method proof calculations and no further action is required.  
 
MARKING AND LIGHTING 
 
FAA Advisory Circular 70/7460-1: 
 
Marking and lighting is not required for this structure. 
 
 
RECOMMENDATIONS 
 
This site was evaluated in accordance with the requirements specified by the 
FAA under Federal Aviation Rules part 77, and found not to be a hazard to air 
navigation. 
 
 
This site is located 1243' from the end of the runway at Chandler airport.  This 
site is located below the VFR horizontal surface.  This surface is at 144' AGL 
(1393' AMSL) and a penetration to this airspace would be considered a Hazard 
to Air Navigation by the FAA.

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