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Home My WebLink AboutDPW Water and Sewer Site Version 2 Comments DAC/STAFF REVIEW COMMENTS Description: Mitchell Property Development Site Plan S629-2022 Revised comment in red Version 2 New Series Required: Yes X No □ Check for Adequate Public Facilities: Water □ adequate □ inadequate Sewer □ adequate □ inadequate A new series of this plan is required to address the following comments, concerns and/or requirements of the Department of Public Works, Division of Water and Sewer, on the above described project: The project is proposing to subdivide several parcels of land into a total of six lots. If there is future developable land within Parcels E and F, they must either be identified as separate lots or combined into one of the proposed lots. If these parcels are not developable, the reasons for this determination must be identified clearly on the plan. If any new lots are created, water and sewer services must be provided to the lot. The reference to new parcels A, B, C and D must be removed from the plan. These parcels must be identified only as Part of Proposed Lot __ . These parcels also may not be identified as separate parcels in the new deeds for the lots. The calculation of the percentage of the impervious area within the wellhead protection zone for each lot should not include portions of the lot that are not within the zone. The percentage figure only applies to that portion of the lot within the wellhead protection zone. The portion of the fire loop at the south end of the building on Lot 5 may not be placed within the drainage and utility easements that contain the public water and sewer mains. Adjust the design to eliminate this configuration. After the above comments have been addressed on another version of the plan, the following comments shall be included as conditions of Site Plan approval for the above- described project: A portion of this project is located within the Perryman Wellhead Protection Area. As such, development of this site is subject to Section 267-66 of the Zoning Code. There are prohibited uses within the protection area. These are listed in the previously mentioned section of the Code. All prospective purchasers and future tenants shall be advised of the limitations and standards established by Section 267-66. The proposed water main in Canning House Road shall be connected to the existing main in Mitchell Road to provide a redundant water system to the region. A sixteen inch diameter water main will be required to provide adequate service to the project. The proposed main must connect directly to the sixteen inch main in Perryman Road, and the existing twelve inch diameter stub at this location must be abandoned. Since the proposed uses in the building on this site are not yet known, the location of the meter setting and backflow preventer will be determined at the time of the Commercial Service Application. If an inside meter setting is required, locate the water service connection at the building to minimize the length of the unmetered private water service. If an outside meter is required, it shall be located within a public drainage and utility easement. The sewer service from each building to the public main shall connect at an existing manhole using a gravity connection. Existing manholes 22, 25 and 26 of Sewer Contract 6692-A are PVC lined. Connections made to these manholes must preserve the integrity of the lining. The method of connections to the manholes shall be shown as a detail on the construction drawings. A sampling manhole shall be installed on the sewer services at the edge of the public road right of way for all lots except for Lot 6. If the connection to the sampling manhole is a force main, the manhole shall have a factory installed PVC liner in it. Any sewer cleanouts that are located within the paved area shall be installed using the County cleanout in paving detail S-28. The detail shall be shown on the utility plan and referenced on the plan and/or profile drawing. The construction contract numbers for the existing utilities shall be shown on the drawing submitted with the Commercial Application. The public water and sewer mains and services for all of the lots shall be constructed as a single contract. The contract numbers for this project are 20199 for water and 20200 for sewer. The numbers shall be placed on the utility construction drawings before their initial submittal to the county for review. Stormwater management devices may not be located within twenty feet of existing or proposed water or sewer mains or services. A Public Works Utility Agreement (PWUA) is required for the construction of the public water and/or sewer mains associated with this project prior to the issuance of a building permit. A building permit cannot be issued until the public utilities that serve them are either operational or bonded for construction. It is the developer’s/owner’s or their representative’s responsibility to contact the Division of Water and Sewer, W&S Administration Section at wspermits@harfordcountymd.gov to request the preparation of the PWUA following the submittal of the water and sewer contract drawings for review. Prepared by: Darryl W. Ivins ____ Date: 07/22/2022 Telephone - 410-638-3300 DWI/hs cc: Development File