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Grove City Borough Overview
Grove City Borough, PA Code of Ordinances
GROVE CITY BOROUGH, PENNSYLVANIA
ADOPTING ORDINANCE
TITLE I: GENERAL PROVISIONS
TITLE III: ADMINISTRATION
TITLE V: PUBLIC WORKS
TITLE VII: TRAFFIC CODE
TITLE IX: GENERAL REGULATIONS
TITLE XI: BUSINESS REGULATIONS
TITLE XIII: GENERAL OFFENSES
TITLE XV: LAND USAGE
TABLE OF SPECIAL ORDINANCES
PARALLEL REFERENCES
APPENDIX A: INSTRUCTIONS FOR COMPLETING THE SMALL PROJECT APPLICATION.
The small projects application was designed to assist individuals constructing improvements of impervious surfaces (surfaces that do not infiltrate water, i.e. rooftops driveways, sidewalk and the like) A method for determining if control measures are required to be implemented to comply with the SWM Ordinance.
Step 1:   Determine the length (in feet) and width (in feet) of the proposed improvement and insert into the “length” and “width” columns under the respective “surface type”. If the “surface type” is not listed use “other” and list the improvement type. Irregular surfaces will require additional mathematical equations not listed in the application or the examples.
Step 2:   Multiply the length times the width and insert that number into the “Impervious Area (ft2)” column. This number will be in square feet.
Step 3:   Add the numbers In the “Impervious Area (ft2)” column and insert the total number of square feet in the “TOTAL IMPERVIOUS AREA” box.
Step 4:   If the “TOTAL IMPERVIOUS AREA” is:
2,500 square feet or less your project is exempt and you can proceed with construction as planned (see Example #1).
2,500 square feet to 5,000 square feet you are required to submit the application to the borough, along with details on how you will manage the increase in runoff (implement volume controls) (see Example #2).
5,000 square feet or more your project requires a SWM plan prepared by a Pennsylvania registered design professional experienced in the design of such control measures and to the requirements of the Stormwater Management Ordinance.
Step 5:   If credit will be taken for DIA (Disconnected Impervious Area), list the “Qualifying Surfaces” obtain the square footage of the impervious area by multiplying the length times the width (see Example #2).
Step 6:   Subtract the “DIA CREDITS” from the “TOTAL IMPERVIOUS AREA” and insert this number in the “TOTAL AREA TO BE MANAGED BY BMPs” box.
Step 7:   Multiply the number in the “TOTAL AREA TO BE MANAGED BY BMPs” box by 0.20 (20%) and insert that number into the “SURFACE AREA OF BMPs (ft2) “ box, This number will be in square feet.
PLEASE USE WORKSHEET ON FOLLOWING PAGE
Small Project Application Swm Plan Worksheet
Surface Type - Description
Length
X
Width
=
Impervious Area (ft2)
Small Project Application Swm Plan Worksheet
Surface Type - Description
Length
X
Width
=
Impervious Area (ft2)
Building
X
=
X
=
Garage
X
=
X
=
Driveway
X
=
X
=
Other parking areas
X
=
X
=
Patios or sidewalks
X
=
X
=
Other
“TOTAL IMPERVIOUS AREA”
=
If the “TOTAL IMPERVIOUS AREA” is 2,500 square feet or less your project is exempt.
If the “TOTAL IMPERVIOUS AREA” is 2,500 square feet to 5,000 square feet your project requires this small project application be submitted to the borough and volume controls must be installed to meet the requirements of the “SURFACE AREA OF BMPs REQUIRED.”
If the “TOTAL IMPERVIOUS AREA” is greater than 5,000 square feet your project requires a Stormwater Management Plan prepared by a Pennsylvania registered design professional experienced in the design of such control measures and to the requirements of the Stormwater Management Ordinance
Requirements for Use of Discconnected Impervious Area (DIA) Credits
1.   Rooftop area draining to a downspout must be 500 sq. ft. or less;
1.   Paved area (drives) draining to a point must be 1,000 sq. ft. or less.
2.   Discharge must be to an area with positive slope of 5% (one foot of fall per 20 feet of length, 20:1) or less; and a
2.   Discharge must be to a gravel strip or spreading device; and the
3.   Minimum distance of 75-feet from a watercourse or down slope property line.
3.   Flow length of the pervious surface must be greater than or equal to the contributing length.
DIA Credits to Be Subtracted from “Total Impervious Area”
Qualifying surfaces
Length
X
Width
=
X
=
-
X
=
-
X
=
-
X
=
-
TOTAL AREA TO BE MANAGED BY BMPs
=
20% CONVERSION TO BMP
X
0.20
“SURFACE AREA OF BMP’S REQUIRED” (ft2)
=
 
   SMALL PROJECT APPLICATION SWM PLAN WORKSHEET: EXAMPLE #1
Small Project Application Swm Plan Worksheet
Surface Type - Description
Length
X
Width
=
Impervious Area (ft2)
Small Project Application Swm Plan Worksheet
Surface Type - Description
Length
X
Width
=
Impervious Area (ft2)
Building
X
=
X
=
Garage
30 ft., 0 in.
X
18 ft., 0 in.
=
540
X
=
Driveway
31 ft., 0 in.
X
10 ft., 0 in.
=
310
X
=
Other parking areas
X
=
X
=
Patios or sidewalks
X
=
X
=
Other
“TOTAL IMPERVIOUS AREA”
=
   850
If the “TOTAL IMPERVIOUS AREA” is 2,500 square feet or less your project is exempt.
If the “TOTAL IMPERVIOUS AREA” is 2,500 square feet to 5,000 square feet your project requires this small project application be submitted to the borough and volume controls must be installed to meet the requirements of the “SURFACE AREA OF BMPs REQUIRED.”
If the “TOTAL IMPERVIOUS AREA” is greater than 5,000 square feet your project requires a Stormwater Management Plan prepared by a Pennsylvania registered design professional experienced in the design of such control measures and to the requirements of the Stormwater Management Ordinance
Requirements for Use of Discconnected Impervious Area (DIA) Credits
1.   Rooftop area draining to a downspout must be 500 sq. ft. or less;
1.   Paved area (drives) draining to a point must be 1,000 sq. ft. or less.
2.   Discharge must be to an area with positive slope of 5% (one foot of fall per 20 feet of length, 20:1) or less; and a
2.   Discharge must be to a gravel strip or spreading device; and the
3.   Minimum distance of 75-feet from a watercourse or down slope property line.
3.   Flow length of the pervious surface must be greater than or equal to the contributing length.
DIA Credits to Be Subtracted from “Total Impervious Area”
Qualifying surfaces
Length
X
Width
=
X
=
-
X
=
-
X
=
-
X
=
-
TOTAL AREA TO BE MANAGED BY BMPs
=
0
20% CONVERSION TO BMP
X
0.20
“SURFACE AREA OF BMP’S REQUIRED” (ft2)
=
0
 
   SMALL PROJECT APPLICATION SWM PLAN WORKSHEET: EXAMPLE #2
Small Project Application Swm Plan Worksheet
Surface Type - Description
Length
X
Width
=
Impervious Area (ft2)
Small Project Application Swm Plan Worksheet
Surface Type - Description
Length
X
Width
=
Impervious Area (ft2)
Building
40 ft., 0 in.
X
30 ft., 0 in.
=
1,200
X
=
Garage
30 ft., 0 in.
X
25 ft., 0 in.
=
750
X
=
Driveway
41 ft., 0 in.
X
20 ft., 0 in.
=
820
X
=
Other parking areas
X
=
X
=
Patios or sidewalks
X
=
X
=
Other
“TOTAL IMPERVIOUS AREA”
=
2,770
If the “TOTAL IMPERVIOUS AREA” is 2,500 square feet or less your project is exempt.
If the “TOTAL IMPERVIOUS AREA” is 2,500 square feet to 5,000 square feet your project requires this small project application be submitted to the borough and volume controls must be installed to meet the requirements of the “SURFACE AREA OF BMPs REQUIRED.”
If the “TOTAL IMPERVIOUS AREA” is greater than 5,000 square feet your project requires a Stormwater Management Plan prepared by a Pennsylvania registered design professional experienced in the design of such control measures and to the requirements of the Stormwater Management Ordinance
Requirements for Use of Discconnected Impervious Area (DIA) Credits
1.   Rooftop area draining to a downspout must be 500 sq. ft. or less;
1.   Paved area (drives) draining to a point must be 1,000 sq. ft. or less.
2.   Discharge must be to an area with positive slope of 5% (one foot of fall per 20 feet of length, 20:1) or less; and a
2.   Discharge must be to a gravel strip or spreading device; and the
3.   Minimum distance of 75-feet from a watercourse or down slope property line.
3.   Flow length of the pervious surface must be greater than or equal to the contributing length.
DIA Credits to Be Subtracted from “Total Impervious Area”
Qualifying surfaces
Length
X
Width
=
Barn roof downspout #1
20 ft., 0 in.
X
15 ft., 0 in.
=
-300
Barn roof downspout #2
20 ft., 0 in.
X
15 ft., 0 in.
=
-300
X
=
-
X
=
-
TOTAL AREA TO BE MANAGED BY BMPs
=
2,170
20% CONVERSION TO BMP
X
0.20
“SURFACE AREA OF BMP’S REQUIRED” (ft2)
=
434
 
(1980 Code, Ch. 24, Appendix 24-A)

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