Chapter 18.119, Sections 18.119.040, 18.119.050, 18.119.110, 18.119.120, 18.119.130, 18.119.150, 18.119.170, 18.119.180
Dimensional standards
Extracted standards
15 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Environmental
- Protection of rare, threatened, or endangered species
No telecommunications facility or related improvements shall be sited so as to create a significant threat to the health or survival of plant or animal species identified in the Napa County Environmental Resource Mapping System as rare, threatened, or endangered.
Height
- Maximum telecommunication tower heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.150 ft
In no instance, however, shall the height of a telecommunication tower other than a broadcast AM radio tower exceed one hundred fifty feet.
Lighting
- Lighting restrictions
All telecommunication facilities shall be unlit except for a manually-operated or motion-detector controlled light above the equipment shed door and minimum FAA required tower lighting.
Noise
- Construction hours
Outdoor noise producing construction activities shall only take place on weekdays (Monday through Friday) between the hours of seven-thirty a.m. and five-thirty p.m.
- Backup generator testing hours
Backup generators shall only be operated during power outages and for testing and maintenance purposes. Testing and maintenance shall only take place on weekdays between the hours of eight-thirty a.m. and four-thirty p.m.
Other
- Airport safety zone restriction
No telecommunication facility shall be installed within the safety zone of any airport unless the airport operator indicates that it will not adversely affect the operation of the airport.
- Graveled area width around structures10 ft
Graveled areas at least ten feet wide shall be installed completely around all new structures including telecommunication towers.
- Guy wire anchor setbackSetbackThe distance a building must be held back from a lot line. from property lines20 ft
Guy wire anchors shall be set back at least twenty feet from any property line.
- Maximum access road width8 ft
Access roads shall be limited to eight feet in width.
- NIER exposure standard
No telecommunication facility or combination of facilities shall produce at any time power densities in any inhabited area that exceed the ANSI C95.1-1992 standard for human exposure.
- Ridgeline and scenic area restriction
No telecommunication facility shall be installed on an exposed ridgeline, in or at a location readily visible from a public trail, public park or other outdoor recreation area, or in a scenic area identified in the Napa County Environmental Resource Mapping System unless it blends with the surrounding environment.
- Tower setbackSetbackThe distance a building must be held back from a lot line. from public trail, park, or outdoor recreation area100 ft
at least one hundred feet from any public trail, park, or outdoor recreation area.
- Tower setbackSetbackThe distance a building must be held back from a lot line. from property lines20 pct
Telecommunication towers shall be set back at least twenty percent of the tower height from all property lines.
Parking
- Maximum new parking area size350 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Any new parking areas constructed shall be no larger than three hundred fifty square feet.
Signage
- Facility identification sign size512 sqin
A permanent, weather-proof, approximately sixteen- by thirty-two-inch facility identification sign
From the ordinance
Telecommunication towers shall be set back at least twenty percent of the tower height from all property lines... In no instance shall the height of a telecommunication tower exceed one hundred fifty feet.