For the purpose of these Regulations, the City of Shelton is hereby divided into the following classes of districts:

The Special Development Area is a class of district in addition to and overlapping one or more of the other districts.

A Planned Development District is a class of district established in accordance with SECTION 34 and located within a Special Development Area.

A Planned Residence District is a class of district established in accordance with SECTION 35 and located within and overlapping a Residence R-1A and/or R-1 District.

The Central Business District is a class of district, encompassing a portion of the downtown area, and is in addition to and overlapping one or more of the other districts.

The boundaries of the districts specified in SECTION 21 are hereby established as shown on a map entitled "Building Zone Map of the City of Shelton, Connecticut", dated October 25, 1976 including any special maps and boundary descriptions supplementary thereto and any amendments thereof, which map is hereby declared to be a part of these Regulations.

Where a question arises as to exact boundaries of a district, the boundary shall be determined by the Planning and Zoning Commission upon due notice and public hearing as required for adoption of these Regulations.

Where the boundary of a district divides a lot, the existence of which lot is evidenced by deed or deeds recorded in the land records of the City of Shelton on the effective date of these Regulations or on the effective date of any amendment of these Regulations establishing such boundary, the Planning and Zoning Commission, in accordance with the procedures of SECTION 33, may grant a special exception to authorize a use of land, buildings and other structures permitted in one district to be extended a distance of not more than 30 feet into another district where such use would otherwise be prohibited under these Regulations.

"SCHEDULE A - Permitted Uses" is hereby declared to be a part of these Regulations. Land, buildings and other structures in any district shall be used for one or more of the uses specified in SCHEDULE A as permitted in the district Uses Listed in SCHEDULE A are permitted or prohibited in accordance with the following Designation and procedure:

"P" means a use permitted in the district as a matter of right;

"S" means a use permitted in the district, subject to submission and approval of a site plan in accordance with the provisions of SECTION 31;

"El" means a use permitted in the district, subject to the securing of a special exception from the Zoning Commission in accordance with SECTION 33;

"G" means a use permitted in the district, subject to the securing of a temporary special exception from the Zoning Commission in accordance with SECTION 32;

"X" means a use prohibited in the district; and

"r" means that reference should also be made to a similar use elsewhere in SCHEDULE A.

Land, buildings and other structures shall be used for one or more of the uses specified as permitted in SCHEDULE A, and no other. Any use not specified in SCHEDULE A as permitted is prohibited. To further assist in the interpretation of SCHEDULE A, the following uses, the listing of which is not intended to be exhaustive, are specifically prohibited:

23.2.1 Trailer parks and the use or occupancy of a trailer as a dwelling, except in accordance with the limitations of Paragraph 41.10 of these Regulations.

23.2.2 Junk yards; bulk storage of cement; concrete mixing plants; and bulk storage of petroleum products in tanks having a capacity in excess of 10,000 gallons.

23.2.3 The manufacture, use, storage and/or disposal of hazardous materials and hazardous waste products.

Off-street parking and loading spaces shall be provided for any use of land, buildings and other structures in accordance with SECTION 42.

The use of land, buildings and other structures shall conform to the performance standards specified in SECTION 43.