03/10/2004 ZONING BOARD OF APPEALS Minutes

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Southside Realty Trust Engineering Review Page four Some means of subsurface infiltration that may include the use of leaching pits or other subsurface structures may be necessary to attenuate flows during winter months or if the bioretention areas are not properly maintained. 10. The stormwater management form at the end of the report has not been signed or dated. III. Plans A. Sheet S-1 1. Much of the dimensioning along the proposed road sidelines is unreadable and should be made larger. 2. Is this plan to be recorded in the Barnstable Registry of Deeds? If so a proper registry block must be provided as well as a signature and date of approval block. 3. Provide a block for date of approval and Board signatures. 4. Will this plan be used to rescind the layout of Lettie Lane as shown on the Land Court plan? 5. All proposed new lot lines and dimensioning should be shown. 6. It is recommended that street line monuments should be shown on this plan to define the street location. It will only assist future homeowners of the project in determining property boundaries within reasonable cost. 7. It is recommended that all site construction details be placed on a separate plan from the one that defines the street lines and lot lines. 8. This plan indicates road baseline stationing commencing at two unknown points within Route 130 baseline. These starting points need to be identified with respect to the sideline of Route 130 and the existing monumentation shown on the plan. 9. The proposed roadway data indicates a waiver is requested for the minimum curb radius to be changed from 35' to 25'. Why is this waiver needed? 10. The pavement width is indicated as 20 feet and this dimension is in compliance with the Mashpee Subdivision Rules and Regulations for general subdivision streets with grades less than 3%. It is recommended that 18" berms be included for a total street pavment width of 23 feet in order to properly control surface runoff within the paved area and to prevent shoulder erosion. 11. A waiver for the source of the topography shown on the plan has been requested. A statement as to the accuracy of the topography should be provided and a suitable benchmark should be shown on the plan. Because of the significant changes in elevation and the amount of material to be regraded, accurate topography will be vital to a successful project. 12. No rim or pipe invert elevations are noted on the plans. No stationing or distances right or left of the road baseline are noted for the catch basins or manholes shown. No pipe sizes or types of material are noted. 13. Catch basins are shown but with no connection to the street pavement. How does surface runoff get to these basins? What type of frame and grate are provided?