M-2
Dimensional standards
Uses
Permitted by right9
- Any manufacturing, processing, storing or distributing use permitted in the M-1 Light Industrial District
- Dwellings for resident watchmen and caretakers employed on the premises
- Accessory farm dwellings on farms of 10 acres or more
- Farm, truck garden, orchard, or nursery for growing or propagation of plants, trees and shrubs, including temporary stands for seasonal sales
- Manufacture, compounding, processing, packaging, or treatment of chemicals, petroleum, coal and allied products (e.g., adhesives, alcohol, soap, ink)
- Manufacture, compounding, processing, packaging, or treatment of clay, stone and glass products (e.g., brick, glass, concrete mixing)
- Manufacture, compounding, processing, packaging, or treatment of food and beverage products (e.g., distilleries, flour milling, sugar refining)
- Other unclassified industrial uses (e.g., bag cleaning, coal pocket, railroad switching yards, paint manufacturing, tar products)
- Data centers subject to conditions
Conditional / special use10
- Hazardous industrial uses requiring city council approval after public hearing (Section 3): metal and metal products (e.g., boat manufacture over 5 tons, foundries, shipyards)
- Textiles, fibers and bedding (e.g., bleachery, nylon, rayon)
- Wood and paper products (e.g., charcoal, sawmill, wood preserving)
- Unclassified industries (e.g., leather tanning, rubber processing)
- Chemicals, petroleum, coal and allied products (e.g., acids, explosives, petroleum refining, rendering)
- Clay, stone and glass products (e.g., cement, lime, quarrying)
- Food and beverage (e.g., fat rendering, fish curing, slaughtering)
- Metals and metal products (e.g., blast furnace, smelting, steel works)
- Wood and paper products (e.g., match manufacture, wood pulp)
- Unclassified industries and uses (e.g., cotton ginning, stockyard)
Accessory1
- Accessory advertising device giving the name of the industry or advertising products manufactured on the premises
Extracted standards
8 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Environmental
- Data center closed-loop cooling required if water-based cooling
Closed-loop systems shall be utilized if water-based cooling is employed for the facility. This requirement may be waived or amended by the Director of Public Works.
Height
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. when adjoining residence districtZoning districtA mapped area with one set of rules, identified by a code like R-1 or B-2.50 ft
Whenever any building or structure in the M-2 Heavy Industrial District adjoins or abuts upon a residence district, such building or structure shall not exceed fifty (50) feet in height, unless set back one foot from all required yard lines for each foot of additional height above fifty (50) feet.
Noise
- Data center noise studies required
For sites that abut property used or zoned for residential purposes or a public park, pre-construction and post-construction noise studies must be prepared by a Commonwealth Licensed Professional Engineer (PE) verifying maximum sound levels; if studies demonstrate exceedance of Chapter 50, Section 50-36, noise mitigation measures shall be required.
Other
- Data center buffer earthen berm minimum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.6 ft
The buffer shall consist of an earthen berm that has a minimum height of six (6) feet and a slope not steeper than two-to-one (2:1) with plantings including a combination of large and understory deciduous trees, large and small evergreen trees, and ornamental trees and shrubs at a rate of one hundred twenty (120) plants per one hundred (100) linear feet; a minimum of forty (40) percent of the plantings shall be large evergreen trees on minimum 20-foot centers and no more than twenty (20) percent of the plantings shall be shrubs.
- Data center vegetated buffer width50 ft
A vegetated buffer fifty (50) feet in width shall be required along any property line abutting or across a road from a property used or zoned for residential purposes or a public park; for sites on which seventy (70) percent or more of the existing open space or vegetated area is cleared, the buffer shall be a minimum of one hundred (100) feet in width.
- Data center principal structure setbackSetbackThe distance a building must be held back from a lot line. from residential/park property line100 ft
All principal structures shall be set back at least one hundred (100) feet from any property line abutting a property used or zoned for residential purposes or a public park.
- Rear yardYardThe open space left between a building and its lot line — the space a setback creates. when adjoining residence districtZoning districtA mapped area with one set of rules, identified by a code like R-1 or B-2.25 ft
There shall be a rear yard not less than twenty-five (25) feet in depth on the rear of a lot adjoining a residence district.
- Side yardYardThe open space left between a building and its lot line — the space a setback creates. when adjoining residence districtZoning districtA mapped area with one set of rules, identified by a code like R-1 or B-2.25 ft
There shall be a side yard not less than twenty-five (25) feet in width on the side of a lot adjoining a residence district.
From the ordinance
M-2 Heavy Industrial District: permitted uses include manufacturing, processing, storing, distributing; dwellings for watchmen; data centers subject to conditions; hazardous uses require city council approval; side/rear yards 25 ft when adjoining residence district; max height 125 ft, 50 ft if adjoining residence district unless set back.