§ 402 SWM Site Plan Preparation.
   The plan for the project area shall be submitted on twenty-four (24) inch X thirty-six (36) inch sheets and shall be prepared in a form that meets the requirements for recording at the offices of the Recorder of Deeds of Bucks County. The contents of the map(s) shall include but not be limited to:
      1.   The location of the project relative to highways, municipalities, or other identifiable landmarks. The location map shall be at a scale of 1” = 800’.
      2.   Watershed within which the project is located (e.g. Delaware River (North), Tohickon Creek, Saucon Creek, Unami Creek).
      3.   Existing contours at intervals of two (2) feet. In areas of steep slopes (greater than twenty-five (25) percent), five (5) feet contours may be used.
      4.   Existing streams, lakes, ponds, or other bodies of water within the project area.
      5.   Other physical features including special flood hazard boundaries, sinkholes, intermittent and perennial streams, existing drainage courses, wetlands, areas of natural vegetation to be preserved, and the total extent of the upstream area draining through the site.
      6.   The locations of all existing and proposed utilities, sanitary sewers, and water lines located on the site and/or within fifty (50) feet of property lines.
      7.   An overlay showing soil names and boundaries. The overlay shall include a table on the map showing the recharge capabilities of each soil represented onsite in inches per hour and describe their recharge or infiltration capabilities.
      8.   Proposed changes to the land surface and vegetative cover, including the type and amount of impervious area that would be added.
      9.   All existing and proposed stormwater management BMPs.
      10.   Proposed structures, roads, paved areas, and buildings. Where pervious pavement is proposed for parking lots, recreational facilities, non-dedicated streets, or other areas, pavement construction specifications shall be noted on the plan.
      11.   Final contours at intervals at two (2) feet. In areas of steep slopes (greater than twenty-five (25) percent), five (5) feet contour intervals may be used.
      12.   The name of the development, the name and address of the owner of the property, and the name of the individual or firm preparing the plan.
      13.   The date of submission.
      14.   A graphic and written scale of one (1) inch equals no more than fifty (50) feet. For tracts of twenty (20) acres or more, the scale may be one (1) inch equals no more than one hundred (100) feet.
      15.   A North arrow.
      16.   The total tract boundary and size with distances marked to the nearest foot and bearings to the nearest degree.
      17.   Existing and proposed land use(s).
      18.   A key map showing all existing man-made features beyond the property boundary that may be affected by the project.
      19.   Horizontal and vertical profiles of all open channels, including hydraulic capacity.
      20.   Overland drainage paths.
      21.   A twenty (20) feet wide access easement around all stormwater BMPS and management facilities that would provide ingress to and egress from a public right-of-way.
      22.   A note on the plan indicating the location and responsibility for maintenance of stormwater management facilities that would be located off-site. All off-site facilities shall meet the performance standards and design criteria specified in this Ordinance.
      23.   A construction detail of any improvements made to sinkholes and the location of all notes to be posted, as specified in this Ordinance.
      24.   A statement on the plan, signed by the landowner, acknowledging the stormwater BMPS and management facilities to be a permanent fixture that can be altered or removed only after approval of a revised plan by the Township, which shall be recorded with the record plan and which shall be applicable to all future landowners.
      25.   The location of all erosion and sedimentation control facilities.
      26.   The following signature block for the design engineer:
         “(Qualified Professional), on this date (date of signature), has reviewed and hereby certifies that the stormwater management plan meets all design standards and criteria of the Springfield Township Stormwater Management Ordinance.”
(Ord. 186, passed 9-12-2017)