§ 302-4. Applicability.

A. 

No person shall undertake any improvement or alteration, and no building permits shall be issued therefor, until site plan review and approval as described herein has been issued, unless the proposed activity is exempt from site plan review and approval as described in these regulations, § 302-5, or until the completed Planning Board Confirmation that Site Plan Review and Approval Are Not Applicable, endorsed by the Planning Board, has been received by the Building Commissioner.

B. 

Any applicant applying for site plan review and approval under the Zoning Bylaws shall comply with these regulations. Site plan review and approval shall apply to any improvement, alteration or change of use to, on or with respect to:

(1) 

Any vacant lot, or vacant contiguous lots under the same ownership, where such improvement, alteration or change of use requires or results in the erection or placement of any structure or parking area on said lot or lots.

(2) 

Any existing structure or group of structures under the same ownership on the same or contiguous lots where such improvement, alteration or change of use requires or results in a substantial alteration to any area of parking, loading or vehicular access as set forth in the Zoning Bylaws, § 198-601.2.4, that is, any proposal where:

(a) 

All or part of such existing or proposed areas is located off the site of the primary use or structure;

(b) 

Any resurfacing of such areas results in any change in the design of the septic or drainage systems on or for the site;

(c) 

Any curb cut is relocated, added or otherwise changed;

(d) 

The Zoning Bylaws require more parking than was required for the previous use; or

(e) 

An increase in the area of such parking areas is required as follows:

	If the total square footage currently required for such areas is:	Then "substantial alteration" shall mean any increase greater than:
	Less than 15,000 square feet	33.3% of such areas or 1,499 square feet, whichever is smaller
	15,000 square feet to less than 30,000 square feet	10% of such area
	30,000 square feet or more	3,000 square feet

(3) 

Any existing structure or group of structures under the same ownership on the same or contiguous lots where such improvement, alteration or change of use requires or results in an increase of the gross floor area as set forth in the Zoning Bylaws, § 198-601.2.3, repeated herein as follows:

	If the gross floor area of original structure or SPRA- authorized structure is: (square feet)	Then SPRA shall be required for any increase greater than:
	Less than 3,333	30% of existing gross floor area
	3,333 to less than 5,000	1,000 square feet
	5,000 to less than 7,500	20% of existing gross floor area
	7,500 to less than 15,000	1,500 square feet
	15,000 to less than 25,000	10% of existing gross floor area
	25,000 to less than 50,000	2,500 square feet
	50,000 to less than 80,000	5% of existing gross floor area
	80,000 to less than 100,000	4,000 square feet
	100,000 to less than 125,000	4% of existing gross floor area
	125,000 or more	5,000 square feet

C. 

Site plan review and approval shall be a prerequisite to the issuance of any special permit, permit and/or variance required by the Zoning Bylaws unless exempted from site plan review and approval by these regulations, § 302-5.