Those uses which include the manufacture or treatment of goods from raw materials are permitted in the M-2 heavy industrial district. Those uses which are listed under subsection 28 of Section 19.26.020 cannot be automatically included in the heavy industrial district because of their hazardous or offensive nature. Provision is made whereby the location and conduct of these uses is subject to review and approval of the commission and council of the county of Maui as conforming to the intent of this title. (Prior code § 8-1.13(a))

Within the M-2 district, no building, structure or premises shall be used and no building or structure hereafter erected, structurally altered, replaced, or enlarged except for one or more of the following uses:

1. Any use permitted in the B-1, B-2 and B-3 business districts and M-1 district; provided, however, that no building, structure or portion thereof shall be hereafter erected, converted, or moved onto any lot in an M-2 district for dwelling purposes, including hotels and motels, except living quarters used by watchmen or custodians of industrially used property;

2. Alcohol manufacture;

3. Automobile wrecking, if conducted within a building;

4. Brick, tile or terra cotta manufacture;

5. Boiler and steel works;

6. Canneries, except fish canneries;

7. Chemical manufacture;

8. Concrete or cement products manufacture;

9. Factories;

10. Foundries;

11. Freight classification yard (railroad);

12. Junk establishment used for storing, depositing, or keeping junk or similar goods for business purposes, provided such establishment shall not be nearer than eight feet from any other property line for the storage of the junk or similar goods except in buildings entirely enclosed with walls;

13. Lime kilns which do not emit noxious and offensive fumes;

14. Lumber yard;

15. Machine shops;

16. Oil storage plants;

17. Oilcloth or linoleum manufacture;

18. Paint, oil (including linseed), shellac, turpentine, lacquer, or varnish manufacture;

19. Petroleum products manufacture or wholesale storage of petroleum;

20. Planing mill;

21. Plastic manufacture;

22. Railroad repair shops;

23. Rolling mills;

24. Ship works;

25. Soap manufacture;

26. Sugar mills and refineries;

27. In general those uses which may be obnoxious or offensive by reason of emission of odor, dust, smoke, gas, noise, vibration and the like and not allowed in any other district; provided, however, that any use not specified in this section shall be approved by the commission as conforming to the intent of this title;

28. All of the following uses are declared to be special uses and a use permit shall be obtained from the commission with approval of the council of the county for the location and operation thereof in the M-2 district:

a. Acetylene gas manufacture or bulk storage,

b. Acid manufacture,

c. Ammonia, bleaching powder or chlorine manufacture,

d. Asphalt manufacture of refueling and asphaltic concrete plant,

e. Blast furnace or coke oven,

f. Cement, lime, gypsum, or plaster of paris manufacture,

g. Crematories,

h. Creosote treatment plants,

i. Explosives manufacture or storage,

j. Fertilizer manufacture,

k. Fish canneries,

l. Garbage, offal or dead animals reduction or dumping,

m. Gas manufacture,

n. Glue manufacture,

o. Quarry or stone mill,

p. Rock, sand or gravel or earth excavation, crushing or distribution,

q. Petroleum refinery,

r. Saw mill,

s. Slaughter of animals,

t. Stock yard or deeding pens,

u. Tannery or the curing or storage of raw hides.

(Prior code § 8-1.13(b))

No building or structure, and no enlargement of any building or structure, except smoke stacks or chimneys, shall be hereafter erected or maintained so as to exceed six stories. (Prior code § 8-1.13(c))

Every lot within an M-2 district shall have a minimum lot area of not less than ten thousand square feet with a minimum lot width of seventy-five feet. (Prior code § 8-1.13(d))

A. Front Yard. There shall be a front yard of not less than ten feet from any setback line for street widening purposes; and if no such line exists, then from the main street or front boundary.

B. Side Yard.

1. Where the side or rear of the lot in an M-2 district abuts upon the side or rear of a lot of any residential, duplex, apartment, hotel, agricultural or farming districts, there shall be a side yard of ten feet.

2. In all other cases, a side yard for a heavy industrial building shall not be required.

C. Rear yard.

No rear yard spacing shall be required except where the M-2 district abuts upon an agricultural, farming, residential, duplex, apartment or hotel district, in which case there shall be a rear yard of not less than fifteen feet. (Prior code § 8-1.12(e))