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Mashpee Wampanoag Affordable Housing <br /> 183 Meetinghouse Road <br /> Plan Review <br /> Page four <br /> Sheet 12 of 12 <br /> 1. The flared ends cannot drop into a 2:1 slope without protection under and in back of the end. <br /> Stone chips should be shown appropriately. <br /> 2. The SWMA show the wick as being below the level of a 2 year storm. This means that the <br /> wick provides a direct discharge of stormwater without there being any real attenuation of <br /> pollutants such as nitrogen or phosphorus in the SWMA. See Section IX (J)(5) of the <br /> regulations. The elevation of the grate should be raised to allow for some ponding of water <br /> for that purpose. <br /> Bureau Of Indian Affairs Plans <br /> 1. There are minordetails of the plans that do not conform to Mashpee Standards and should <br /> be corrected if possible. If these plans are to be considered as part of the final construction <br /> set they should be the same as the larger Road Construction Plans that were received. <br /> 2. The roadway cross section shown on page 3 of 10 for the entrance road shows two 11' travel <br /> lanes with 1' berms. This is in conflict with the 40 scale construction plans that show the <br /> travel lanes as 14 feet wide. Which is the correct width? <br /> 3. The entrance radii should be 35 feet to comply with the Regulations. See Section VIII(B)(2). <br /> 4. Driveway curb radius of 15 feet is acceptable. <br /> 5. Details A and B are not consistent with the Regulations for pavement and road base <br /> thicknesses. The divided entrance roadway pavement pavement thickness should be 4-112" <br /> with the binder course of 3" and the wearing surface of 1-112". Other roads can have a <br /> pavement thickness of 112' with a binder course of 2-1114" and a wearing surface of 1-114'. <br /> See Section i.-)( (D)(a),(b). <br /> Sheet 4 of 10: Tye profile across the cul-de-sac cannot be flat. <br /> This concluded the initial review of the plans and report as submitted. I would be happy to <br /> meet with you and the design team to discuss my comments. Please feel free to contact me if <br /> you have any questions. <br /> Very truly yours, <br /> Charles L. Rowley, PE, PLS <br /> Engineering Consultant to Mashpee Wampanoag Tribe <br /> Cc Bracken Engineering, Inc. <br /> Mr. Jay Briggs <br />