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Township of Horsham, PA
Montgomery County
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Table of Contents
Table of Contents
In accordance with the administrative regulations promulgated by the Department of Community and Economic Development to implement the Pennsylvania Flood Plain Management Act,[1] the activities indicated in Subsections A and B shall be prohibited within any Floodplain Conservation District unless a special permit has been issued by the Township. In order to apply for a special permit, a variance must first be obtained, as outlined in Article V.
A. 
The commencement of any of the following activities, or the construction enlargement, or expansion of any structure used, or intended to be used, for any of the following activities:
(1) 
Hospitals.
(2) 
Nursing homes.
(3) 
Jails or prisons.
B. 
The commencement of, or any construction of, a new manufactured home park or manufactured home subdivision, or substantial improvement to an existing manufactured home park or manufactured home subdivision.
[1]
Editor's Note: See 32 P.S. § 679.101 et seq.
Applicants for special permits shall provide five copies of the following items:
A. 
A written request including a completed special permit application form.
B. 
A small scale map showing the vicinity in which the proposed site is located.
C. 
A plan of the entire site, clearly and legibly drawn at a scale of one inch being equal to 100 feet or less, showing the following:
(1) 
North arrow, scale and date;
(2) 
Topography based upon the North American Vertical Datum (NAVD) of 1988, showing existing and proposed contours at intervals of two feet;
(3) 
All property and lot lines, including dimensions, and the size of the site expressed in acres or square feet;
(4) 
The location of all existing streets, drives, other accessways, and parking areas, with information concerning widths, pavement types and construction, and elevations;
(5) 
The location of any existing bodies of water or watercourses, buildings, structures and other public or private facilities, including railroad tracks and facilities, and any other natural and man-made features affecting, or affected by, the proposed activity or development;
(6) 
The location of the floodplain boundary line, information and spot elevations concerning the base flood elevation, and information concerning the flow of water, including direction and velocities;
(7) 
The location of all proposed buildings, structures, utilities, and any other improvements; and
(8) 
Any other information which the municipality considers necessary for adequate review of the application.
D. 
Plans of all proposed buildings, structures and other improvements, clearly and legibly drawn at suitable scale showing the following:
(1) 
Sufficiently detailed architectural or engineering drawings, including floor plans, sections, and exterior building elevations, as appropriate;
(2) 
For any proposed building, the elevation of the lowest floor (including basement) and, as required, the elevation of any other floor;
(3) 
Complete information concerning flood depths, pressures, velocities, impact and uplift forces, and other factors associated with the base flood elevation;
(4) 
Detailed information concerning any proposed floodproofing measures;
(5) 
Cross-section drawings for all proposed streets, drives, other accessways, and parking areas, showing all rights-of-way and pavement widths;
(6) 
Profile drawings for all proposed streets, drives, and vehicular accessways, including existing and proposed grades; and
(7) 
Plans and profiles of all proposed sanitary and storm sewer systems, water supply systems, and any other utilities and facilities.
E. 
The following data and documentation:
(1) 
Certification from the applicant that the site upon which the activity or development is proposed is an existing separate and single parcel, owned by the applicant or the client he represents;
(2) 
Certification from a registered professional engineer, architect, or landscape architect that the proposed construction has been adequately designed to protect against damage from the base flood elevation;
(3) 
A statement, certified by a registered professional engineer, architect, landscape architect, or other qualified person which contains a complete and accurate description of the nature and extent of pollution that might possibly occur from the development during the course of a base flood elevation, including a statement concerning the effects such pollution may have on human life;
(4) 
A statement certified by a registered professional engineer, architect, or landscape architect, which contains a complete and accurate description of the effects the proposed development will have on base flood elevation elevations and flows;
(5) 
A statement, certified by a registered professional engineer, architect, or landscape architect, which contains a complete and accurate description of the kinds and amounts of any loose buoyant materials or debris that may possibly exist or be located on the site below the base flood elevation and the effects such materials and debris may have on base flood elevation elevations and flows;
(6) 
The appropriate component of the Department of Environmental Protection's Planning Module for Land Development;
(7) 
Where any excavation or grading is proposed, a plan meeting the requirements of the Department of Environmental Protection to implement and maintain erosion and sedimentation control;
(8) 
Any other applicable permits such as, but not limited to, a permit for any activity regulated by the Department of Environmental Protection under Section 302 of Act 1978-166; and
(9) 
An evacuation plan which fully explains the manner in which the site will be safely evacuated before or during the course of a base flood.
Upon receipt of an application for a special permit by the Township Floodplain Administrator, the following procedures shall apply in addition to the other requirements of this chapter:
A. 
Within three working days following receipt of the application, a complete copy of the application and all accompanying documentation shall be forwarded to the County Planning Commission by registered or certified mail for its review and recommendations. Copies of the application shall also be forwarded to the Township, Planning Commission and Township Engineer for review and comment.
B. 
If an application is received that is incomplete, the Township Floodplain Administrator shall notify the applicant, in writing, stating in what respect the application is deficient.
C. 
If the Township Floodplain Administrator decides to disapprove an application, he shall notify the applicant, in writing, of the reasons for the disapproval, and the right to apply to the Zoning Hearing Board for relief.
D. 
If the Township approves an application, it shall file written notification, together with the application and all pertinent information, with the Department of Community and Economic Development, by registered or certified mail, within five working days after the date of approval.
E. 
Before issuing the special permit, the Township shall allow the Department of Community and Economic Development 30 days, after receipt of the notification by the Department, to review the application and decision made by the Township.
F. 
If the Township does not receive any communication from the Department of Community and Economic Development during the thirty-day review period, it may issue a special permit to the applicant.
G. 
If the Department of Community and Economic Development should decide to disapprove an application, it shall notify the Township and the applicant, in writing, of the reasons for the disapproval, and the Township shall not issue the special permit.
A. 
In addition to the requirements of Article V (Variances) of this chapter, the following minimum requirements shall also apply to any proposed development requiring a special permit. If there is any conflict between any of the following requirements and those in § 115-7 (Description and special requirements of Floodplain Conservation District) of this chapter or in any other code, ordinance, or regulation, the more restrictive provision shall apply.
B. 
No application for a special permit shall be approved unless it can be determined that the structure or activity will be located, constructed and maintained in a manner which will:
(1) 
Fully protect the health and safety of the general public and any occupants of the structure. At a minimum, all new structures shall be designed, located, and constructed so that:
(a) 
The structure will survive inundation by waters of the base flood elevation without any lateral movement or damage to either the structure itself, or to any of its equipment or contents below the BFE.
(b) 
The lowest floor (including basement) will be elevated to at least 1 1/2 feet above the base flood elevation.
(c) 
The occupants of the structure can remain inside for an indefinite period of time and be safely evacuated at any time during the base flood elevation.
(2) 
Prevent any significant possibility of pollution, increased flood levels or flows, or debris endangering life and property.
C. 
All hydrologic and hydraulic analyses shall be undertaken only by professional engineers or others of demonstrated qualifications, who shall certify that the technical methods used correctly reflect currently accepted technical concepts. Studies, analyses, computations, etc. shall be submitted in sufficient detail to allow a thorough technical review by the Township and the Department of Community and Economic Development.
D. 
Special requirements for manufactured homes:
(1) 
Within the Floodplain Conservation District, manufactured homes shall be prohibited within the area measured 50 feet landward from the top-of-bank of any watercourse.
(2) 
Where permitted by variance within the Floodplain Conservation District, all manufactured homes, and any improvements thereto, shall be:
(a) 
Placed on a permanent foundation;
(b) 
Elevated so that the lowest floor of the manufactured home is at least 1 1/2 feet above the base flood elevation; and
(c) 
Anchored to resist flotation, collapse, or lateral movement.
(3) 
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 Building Code or the U.S. Department of Housing and Urban Development's Permanent Foundations for Manufactured Housing, 1984 Edition, draft or latest revision thereto, shall apply and 34 Pa. Code Chapters 401 through 405.
(4) 
Consideration shall be given to the installation requirements of the 2009 IBC, and the 2009 IRC or the most recent revisions thereto and 34 Pa. Code, 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 installation.