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A block may be broken by a civic building or open lot, provided the lot is at least 50 feet wide and deep and <br /> _ _°vides a pedestrian passage that directly connects the 2 streets on each block face. <br /> E. Within a single phase of any Concept Plat, individual block perimeters may exceed the maximum by 25% <br /> provided that the average of all block perimeters in the phase does not exceed the maximum <br /> F. The Director of Engineering may waive the block perimeter requirements or maximum dead-end street lengths <br /> when steep slopes in excess of 25% exist and/or where freeways, waterways, railroad lines, preexisting <br /> development, tree conservation areas, stream buffers, cemeteries, open space or easements would make the <br /> provision of a complete block infeasible. <br /> G. Where the block pattern is interrupted by public parkland, that is open and accessible to the public, pedestrian <br /> access points to the parkland shall be provided with a minimum spacing equal to 1/2 of the maximum block <br /> perimeter. <br /> Section 7.10 Access. The following Subdivision Access Standards shall be applied. <br /> A. Stub Streets. <br /> 1. Where a development adjoins unsubdivided land, stub streets within the new subdivision shall be <br /> extended to the meet maximum block perimeter standards. <br /> 2. The stub street must be extended to the boundary of the abutting property to the point where the <br /> connection to the anticipated street is expected. <br /> 3. Stub streets must be located so that the portion of the block perimeter located on the subject property <br /> does not exceed 50% of the applicable block perimeter maximum. <br /> 4. If a stub streets exists on an abutting property, the street system of any new subdivision must connect to <br /> the stub street to form a through street. <br /> 5. When the entirety of a creek crossing is in the subdivision, the crossing must be in a single phase in its <br /> entirety. <br /> 6. Where a stub street is provided, a barricade using a design approved by the Director must be constructed <br /> at the end of the stub street, pending the extension of the street into abutting property. A sign noting the <br /> future street extension shall be posted at the applicant's expense. <br /> 7. The Director may eliminate the requirement for a stub street when: <br /> a. Steep slopes in excess of 25%; freeways, waterways, railroad lines, preexisting development, <br /> stream buffers, cemeteries, open space or easements would make the provision of a stub street <br /> infeasible; or <br /> b. A high intensity nonresidential use is located adjacent to a proposed residential subdivision. <br /> Cross Access. <br /> 1. All lots abutting a street other than a neighborhood street shall comply with the following standards: <br /> 24 <br />