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Chapter. In addition, any use allowed by Section 174-25, whether by right, Plan Review or <br /> Special Permit, shall be allowed by right upon approval by the Planning Board of the <br /> MPD Special Permit. Any use prohibited by Section 174-25 or other provisions of this <br /> Chapter shall be prohibited. For uses proposed within such MPD not specifically listed in <br /> the §174-25 Table of Use Regulations, said use may be allowed if the Planning Board <br /> determines that said use may be allowed on the basis that it is substantially similar in its <br /> construction, operation, traffic and environmental impact to a specific use allowed in said <br /> Table and it is substantially dissimilar in those respects from any uses prohibited in the <br /> district. Where the Board cannot make a clear determination, such uses shall be <br /> considered prohibited. <br /> E. Affordable housing requirement. At least fifteen (15) percent of any dwellings or <br /> single-family lots allowed within a Mixed-Use Planned Development shall be made <br /> subject to a permanent deed restriction meeting the low-income affordability <br /> requirements of MGL C. 40B as it existed at the time of approval of the MPD Special <br /> Permit. The applicant shall specify and provide evidence regarding the recordation of the <br /> required deed restrictions, the method of selection of affordable housing residents and the <br /> party or parties who will manage the selection process and management of the affordable <br /> dwellings, and shall meet any other requirements to ensure that the affordable dwellings <br /> qualify for listing on the MGL C. 40B Subsidized Housing Inventory. <br /> F. Land Space Requirements. A Form-based Design Code may be substituted for the <br /> provisions of Article VII Land Space Requirements and any other dimensional <br /> requirements contained in this Chapter and be incorporated into the Planning Board's <br /> Special Permit decision regarding the MPD. <br /> G. Setbacks from water bodies and wetlands. The developed area within a Mixed-use <br /> Planned Development may not lie within three hundred (300) feet of any water body or <br /> stream or within one hundred (100) feet of any wetland as defined under MGL C. 131, <br /> §40. <br /> H. Water quality requirements. All development within the MPD shall be connected to a <br /> municipal sewer system, or to a private wastewater treatment facility designed to reduce <br /> total nitrogen in its effluent to less than 3 Mg/L. The applicant shall demonstrate the <br /> existing or future availability of wastewater treatment and discharge capacity to meet the <br /> needs of all proposed development, which requirement may be met by phases. In <br /> addition, all storm water shall be treated in accordance with the requirements of Section <br /> 174-27.2 of this by-law, with particular emphasis on reduction of nutrient flow to <br /> groundwater, wetlands or water bodies, with adjustments as approved by the Board based <br /> on the nature of proposed development. <br /> L Master Plan. Any project developed under this Section shall be developed pursuant to a <br /> master plan approved by the Planning Board as part of its Special Permit decision for the <br /> MPD. Said master plan shall indicate, at a minimum, the approximate boundaries of each <br /> project phase (if the project is to be done in phases), the proposed location of any open <br /> space or agricultural area required for each phase, the general location of all roads <br /> projected to carry over two hundred (200) vehicles per day, the general location of any <br /> proposed parks, recreation facilities, civic spaces, improvements to existing roads, <br /> sewage treatment plants, commercial uses and similar major structures and amenities in a <br /> general manner, showing the areas of residential, commercial or mixed development and <br /> 24 <br />