Township of Frazer, PA
Allegheny County
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Table of Contents
Table of Contents
[Ord. 175, 8/5/2014, § 8-501]
1. 
Alteration or Relocation of Watercourse.
A. 
No encroachment, alteration, or improvement of any kind shall be made to any watercourse until all adjacent municipalities which may be affected by such action have been notified by the Township, and until all required permits or approvals have been first obtained from the DEP Regional Office.
B. 
No encroachment, alteration, or improvement of any kind shall be made to any watercourse unless it can be shown that the activity will not reduce or impede the flood carrying capacity of the watercourse in any way.
C. 
In addition, FEMA and the Department of Community and Economic Development (DCED) shall be notified prior to any alteration or relocation of any watercourse.
2. 
Encroachments.
A. 
When the Township proposes to permit the following encroachments, the applicant shall comply with the requirements of § 8-501.2.B below:
(1) 
Any development that causes a rise in the base flood elevations within the floodway; or
(2) 
Any development occurring in Zones A1-30 and Zone AE without a designated floodway, which will cause a rise of more than one foot in the base flood elevation; or
(3) 
Alteration or relocation of a stream (including, but not limited to, installing culverts and bridges).
B. 
When the Township proposes to permit the encroachments identified in § 8-501.2.A above, the applicant shall (as per 44 CFR Part 65.12):
(1) 
Apply to FEMA for conditional approval of such action prior to permitting the encroachments to occur.
(2) 
Upon receipt of the Administrator's conditional approval of map change and prior to approving the proposed encroachments, a community shall provide evidence to FEMA of the adoption of floodplain management ordinances incorporating the increased base flood elevations and/or revised floodway reflecting the post-project condition.
(3) 
Upon completion of the proposed encroachments, a community shall provide as-built certifications. FEMA will initiate a final map revision upon receipt of such certifications in accordance with 44 CFR Part 67.
3. 
Compliance. Any new construction, development, uses or activities allowed within any Identified Floodplain Area shall be undertaken in strict compliance with the provisions contained in this chapter and any other applicable codes, ordinances and regulations.
4. 
Watercourse Buffer. Within any Identified Floodplain Area, no new construction or development shall be located within the area measured 50 feet landward from the top-of-bank of any watercourse.
[Ord. 175, 8/5/2014, § 8-502]
1. 
Residential Structures.
A. 
In A Zones, where there are no Base Flood Elevations specified on the FIRM, any new construction or substantial improvement shall have the lowest floor (including basement) elevated up to, or above, the regulatory flood elevation determined in accordance with § 8-402.A of this chapter.
B. 
The design and construction standards and specifications contained in the Uniform Construction Code and the standardized codes adopted thereunder, including but not limited to the 2009 International Building Code, the 2009 International Residential Code, and ASCE 24, or latest edition of each that is incorporated into the Uniform Construction Code, shall be utilized.
2. 
Non-residential Structures.
A. 
In A Zones, where no Base Flood Elevations are specified on the FIRM, any new construction or substantial improvement shall have the lowest floor (including basement) elevated or completely floodproofed up to, or above, the regulatory flood elevation determined in accordance with § 8-402.A of this chapter or be designed and constructed so that the space enclosed below the regulatory flood elevation:
(1) 
Is floodproofed so that the structure is watertight with walls substantially impermeable to the passage of water; and
(2) 
Has structural components with the capability of resisting hydrostatic and hydrodynamic loads and effects of buoyancy.
B. 
Any nonresidential structure, or part thereof, made watertight below the regulatory flood elevation shall be floodproofed in accordance with the W1 or W2 space classification standards contained in the publication entitled "Flood-Proofing Regulations" published by the U.S. Army Corps of Engineers (June 1972, as amended March 1992) or with some other equivalent standard. All plans and specifications for such floodproofing shall be accompanied by a statement certified by a registered professional engineer or architect which states that the proposed design and methods of construction are in conformance with the above referenced standards.
C. 
The design and construction standards and specifications contained in the Uniform Construction Code and the standardized codes adopted thereunder, including but not limited to the 2009 International Building Code, the 2009 International Residential Code, and ASCE 24, or latest edition of each that is incorporated into the Uniform Construction Code, shall be utilized.
3. 
Space Below the Lowest Floor.
A. 
Basements are prohibited.
B. 
Fully enclosed space below the lowest floor (excluding basements) which will be used solely for the parking of a vehicle, building access, or incidental storage in an area other than a basement, shall be designed and constructed to allow for the automatic entry and exit of flood waters for the purpose of equalizing hydrostatic forces on exterior walls. The term "fully enclosed space" also includes crawl spaces.
C. 
Designs for meeting this requirement must either be certified by a registered professional engineer or architect, or meet or exceed the following minimum criteria:
(1) 
A minimum of two floodwater openings having a net total area of not less than one square inch for every square foot of enclosed space;
(2) 
The bottom of all openings shall be no higher than one foot above grade; and
(3) 
Floodwater openings may be equipped with screens, louvers, etc. or other coverings or devices provided that they permit the automatic entry and exit of floodwaters.
4. 
Historic Structures. Historic structures undergoing repair or rehabilitation that would constitute a substantial improvement as defined in this chapter, must comply with all chapter requirements that do not preclude the structure's continued designation as a historic structure. Documentation that a specific chapter requirement will cause removal of the structure from the National Register of Historic Places or the State Inventory of Historic places must be obtained from the Secretary of the Interior or the State Historic Preservation Officer. Any exemption from chapter requirements will be the minimum necessary to preserve the historic character and design of the structure.
5. 
Accessory Structures. Structures accessory to a principal building need not be elevated or floodproofed to remain dry, but shall comply, at a minimum, with the following requirements:
A. 
The structure shall not be designed or used for human habitation, but shall be limited to, the parking of vehicles, or to the storage of tools, material, and equipment related to the principal use or activity.
B. 
Floor area shall not exceed 200 square feet.
C. 
The structure will have a low damage potential.
D. 
The structure will be located on the site so as to cause the least obstruction to the flow of flood waters.
E. 
Power lines, wiring, and outlets will be elevated to the regulatory flood elevation.
F. 
Permanently affixed utility equipment and appliances such as furnaces, heaters, washers, dryers, etc. are prohibited.
G. 
Sanitary facilities are prohibited.
H. 
The structure shall be adequately anchored to prevent flotation or movement and shall be designed to automatically provide for the entry and exit of floodwater for the purpose of equalizing hydrostatic forces on the walls. Designs for meeting this requirement must either be certified by a registered professional engineer or architect, or meet or exceed the following minimum criteria:
(1) 
A minimum of two openings having a net total area of not less than one square inch for every square foot of enclosed space;
(2) 
The bottom of all openings shall be no higher than one foot above grade; and
(3) 
Openings may be equipped with screens, louvers, etc. or other coverings or devices provided that they permit the automatic entry and exit of flood waters.
[Ord. 175, 8/5/2014, § 8-503]
The following minimum standards shall apply for all construction and development proposed within any Identified Floodplain Area:
A. 
Fill. Within any Identified Floodplain Area the use of fill shall be prohibited. If a floodplain variance is obtained in accordance with the criteria in Part 8 of this chapter, and fill is used then the following provisions shall apply:
(1) 
The fill shall extend laterally at least 15 feet beyond the building line from all points;
(2) 
The fill shall consist of soil or small rock materials only; sanitary landfills shall not be permitted;
(3) 
The fill shall be compacted to provide the necessary permeability and resistance to erosion, scouring, or settling;
(4) 
The fill shall be no steeper than one-foot vertical to two feet horizontal unless substantiated data justifying steeper slopes are submitted to and approved by the Floodplain Administrator; and
(5) 
The fill shall be used to the extent to which it does not adversely affect adjacent properties.
B. 
Drainage Facilities. Storm drainage facilities shall be designed to convey the flow of stormwater runoff in a safe and efficient manner. The system shall ensure proper drainage along streets, and provide positive drainage away from buildings. The system shall also be designed to prevent the discharge of excess runoff onto adjacent properties.
C. 
Water and Sanitary Sewer Facilities and Systems.
(1) 
All new or replacement water supply and sanitary sewer facilities and systems shall be located, designed and constructed to minimize or eliminate flood damages and the infiltration of flood waters.
(2) 
Sanitary sewer facilities and systems shall be designed to prevent the discharge of untreated sewage into flood waters.
(3) 
No part of any on-site sewage system shall be located within any identified floodplain area except in strict compliance with all State and local regulations for such systems. If any such system is permitted, it shall be located so as to avoid impairment to it, or contamination from it, during a flood.
(4) 
The design and construction provisions of the Uniform Construction Code, FEMA #348 - Protecting Building Utilities from Flood Damages, and the International Private Sewage Disposal Code, latest edition, shall be utilized.
D. 
Other Utilities. All other utilities such as gas lines, electrical and telephone systems shall be located, elevated (where possible) and constructed to minimize the chance of impairment during a flood.
E. 
Streets. The finished elevation of all new streets shall be no more than one foot below the Regulatory Flood Elevation.
F. 
Storage. All materials that are buoyant, flammable, explosive, or in times of flooding, could be injurious to human, animal, or plant life, and not listed in § 8-504 of this chapter (Development Which May Endanger Human Life), shall be stored at or above the Regulatory Flood Elevation or flood proofed to the maximum extent possible.
G. 
Placement of Buildings and Structures. All buildings and structures shall be designed, located, and constructed so as to offer the minimum obstruction to the flow of water and shall be designed to have a minimum effect upon the flow and height of flood water.
H. 
Anchoring.
(1) 
All buildings and structures shall be firmly anchored in accordance with accepted engineering practices to prevent flotation, collapse, or lateral movement.
(2) 
All air ducts, large pipes, storage tanks, and other similar objects or components located below the regulatory flood elevation shall be securely anchored or affixed to prevent flotation.
I. 
Floors, Walls and Ceilings.
(1) 
Wood flooring used at or below the Regulatory Flood Elevation shall be installed to accommodate a lateral expansion of the flooring, perpendicular to the flooring grain without causing structural damage to the building.
(2) 
Plywood used at or below the Regulatory Flood Elevation shall be of a "marine" or "water-resistant" variety.
(3) 
Walls and ceilings at or below the Regulatory Flood Elevation shall be designed and constructed of materials that are "water-resistant" and will withstand inundation.
(4) 
Windows, doors, and other components at or below the regulatory flood elevation shall be made of metal or other "water-resistant" material.
J. 
Paints and Adhesives.
(1) 
Paints and other finishes used at or below the Regulatory Flood Elevation shall be of "marine" or "water-resistant" quality.
(2) 
Adhesives used at or below the Regulatory Flood Elevation shall be of a "marine" or "water-resistant" variety.
(3) 
All wooden components (doors, trim, cabinets, etc.) used at or below the Regulatory Flood Elevation shall be finished with a "marine" or "water-resistant" paint or other finishing material.
K. 
Electrical Components.
(1) 
Electrical distribution panels shall be at least three feet above the base flood elevation.
(2) 
Separate electrical circuits shall serve lower levels and shall be dropped from above.
L. 
Equipment. Water heaters, furnaces, air-conditioning and ventilating units, and other electrical, mechanical or utility equipment or apparatus shall not be located below the Regulatory Flood Elevation.
M. 
Fuel Supply Systems. All gas and oil supply systems shall be designed to prevent the infiltration of flood waters into the system and discharges from the system into flood waters. Additional provisions shall be made for the drainage of these systems in the event that flood water infiltration occurs.
N. 
Uniform Construction Code Coordination. The standards and specifications contained and incorporated in the Uniform Construction Code, including without limitation Sections 801, 1202, 1403, 1603, 1605, 1612, 3402, and Appendix G of the 2009 International Building Code, or the latest edition thereof, and Sections R104, R105, R109, R323, Appendix AE101, Appendix E and Appendix J of the 2009 International Residential Building Code, or the latest edition thereof, shall apply to the extent that they are more restrictive and supplement the requirements of this chapter.
[Ord. 175, 8/5/2014, § 8-504]
1. 
Within any Identified Floodplain Area, any structure of the kind described in § 8-504.1.A, below, shall be prohibited; provided, however, if a floodplain variance is obtained (in accordance with the criteria in Part 8 of this chapter) to permit such a structure in an identified floodplain area, then the requirements of §§ 8-504.2, 8-504.3 and 8-504.4 of this chapter shall apply.
A. 
In accordance with the Flood Plain Management Act, and the regulations adopted by the Department of Community and Economic Development as required by such Act, any new or substantially improved structure which satisfies one of the following criteria shall be subject to the provisions of this section, in addition to all other applicable provisions:
(1) 
Will be used for the production or storage of any of the dangerous materials or substances referenced in § 8-504.1.B, below; or
(2) 
Will be used for any activity requiring the maintenance of a supply of more than 550 gallons, or other comparable volume, of any of the dangerous materials or substances referenced in § 8-504.1.B, below, on the premises; or
(3) 
Will involve the production, storage, or use of any amount of radioactive substances.
B. 
The following list of materials and substances are considered dangerous to human life:
(1) 
Acetone.
(2) 
Ammonia.
(3) 
Benzene.
(4) 
Calcium carbide.
(5) 
Carbon disulfide.
(6) 
Celluloid.
(7) 
Chlorine.
(8) 
Hydrochloric acid.
(9) 
Hydrocyanic acid.
(10) 
Magnesium.
(11) 
Nitric acid and oxides of nitrogen.
(12) 
Petroleum products (gasoline, fuel oil, etc.)
(13) 
Phosphorus.
(14) 
Potassium.
(15) 
Sodium.
(16) 
Sulphur and sulphur products.
(17) 
Pesticides (including insecticides, fungicides, and rodenticides).
(18) 
Radioactive substances, insofar as such substances are not otherwise regulated.
2. 
Within any Identified Floodplain Area, any new or substantially improved structure of the kind described in § 8-504.1.A, above, shall be prohibited within the area measured 50 feet landward from the top-of-bank of any watercourse.
3. 
Within any Floodway Area, any structure of the kind described in § 8-504.1.A, above, shall be prohibited. Where permitted within any Identified Floodplain Area, any new or substantially improved residential structure of the kind described in § 8-504.1.A, above, shall be elevated to remain completely dry up to at least 1 1/2 feet above base flood elevation and built in accordance with §§ 8-501, 8-502 and 8-503 of this chapter.
4. 
Where permitted within any Identified Floodplain Area, any new or substantially improved nonresidential structure of the kind described in § 8-504.1.A, above, shall be built in accordance with §§ 8-501, 8-502 and 8-503 of this chapter including:
A. 
Elevated, or designed and constructed to remain completely dry up to at least 1 1/2 feet above base flood elevation, and
B. 
Designed to prevent pollution from the structure or activity during the course of a base flood.
Any such structure, or part thereof, that will be built below the regulatory flood elevation shall be designed and constructed in accordance with the standards for completely dry floodproofing contained in the publication "Flood-Proofing Regulations" (U.S. Army Corps of Engineers, June 1972 as amended March 1992), or with some other equivalent watertight standard.
[Ord. 175, 8/5/2014, § 8-505]
All subdivision proposals and development proposals containing at least 50 lots or at least five acres, and located in Identified Floodplain Areas where base flood elevation data are not available, shall be supported by hydrologic and hydraulic engineering analyses that determine base flood elevations and floodway information. The analyses shall be prepared by a licensed professional engineer in a format required by FEMA for a Conditional Letter of Map Revision or Letter of Map Revision. Submittal requirements and processing fees shall be the responsibility of the applicant.
[Ord. 175, 8/5/2014, § 8-506]
Within any Identified Floodplain Area, manufactured homes shall be prohibited; provided, however, if a floodplain variance is obtained (in accordance with the criteria in Part 8 of this chapter) to permit such a structure in an Identified Floodplain Area, then the following requirements shall apply:
A. 
Within any Identified Floodplain Area, manufactured homes shall be prohibited within the area measured 50 feet landward from the top-of-bank of any watercourse.
B. 
Where permitted within any Identified Floodplain Area, all manufactured homes, and any improvements thereto, shall be:
(1) 
Placed on a permanent foundation;
(2) 
Elevated so that the lowest floor of the manufactured home is at least 1 1/2 feet above base flood elevation;
(3) 
Anchored to resist flotation, collapse, or lateral movement; and
(4) 
Have all ductwork and utilities, including HVAC/heat pump, elevated to the Regulatory Flood Elevation.
C. 
Installation of manufactured homes shall be done in accordance with the manufacturers' installation instructions as provided by the manufacturer. Where the applicant cannot provide the above information, the requirements of Appendix E of the 2009 International Residential Code, or latest edition thereof, or the U.S. Department of Housing and Urban Development's "Permanent Foundations for Manufactured Housing," 1984 Edition, draft or latest revision thereto, and Chapters 401 — 405 of the Uniform Construction Code, 34 Pa.Code Chapters 401 — 405, shall apply.
D. 
Consideration shall be given to the installation requirements of the 2009 International Building Code or the 2009 International Residential Code, or latest edition of either, and Title 34 of the Pennsylvania Code, Labor and Industry, as amended where appropriate and/or applicable to units where the manufacturers' standards for anchoring cannot be provided or were not established for the proposed unit(s) installation.
[Ord. 175, 8/5/2014, § 8-507]
Recreational vehicles in Zones A, A1-30, AH and AE must either:
A. 
Be on the site for fewer than 180 consecutive calendar days;
B. 
Be fully licensed and ready for highway use; or
C. 
Meet the permit requirements for manufactured homes in § 8-506 of this chapter.