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Preliminary Plat Application 16-3807 <br /> Orono Preserve <br /> Page 4 <br /> 7.8 The watermain stub to the end of Street B should be terrninated with a temporary hydrant to the mark <br /> end of tlze main and allow for flushing until the main is eztended. <br /> 7.9 The Ioca�ions of hydtaats and valves should be reviewed and approved by the Fire Chief an�Pablic <br /> Works prior to final approval. <br /> 8.0 STORM SEWER PL,AN <br /> 8.1 Alf non-submerged storm sewer aprons should have trashguards installed. Details should be <br /> included on the Final Plans. <br /> 8.2 Due ta the high water table,subsurface draintile service connections should be provided for all Iots <br /> not direcdy abutting a pand or wetland. Storm sewer layout and Drainage and Utility Easements <br /> may need to be adjusted accordingly. <br /> 8.3 Sump manholes with 4' suznps should be provided immediately upstream of all pond/filtratian basin <br /> inlets to provide pretrea�nent grior to basins. <br /> 8.4 �i-701 should be moved to the curb line and converted to a catchbasin. An additional structure and <br /> revisions to the sanitary sewer aliginznent may be necessary to achieve atignment. <br /> 8.5 Cleanouts for the filtration basin should be relocated to be above the high water level to limit <br /> potential for bypassing filtration system. <br /> 8.6 The rim elevation for CB�Q2 should be�revised in the schedule to match the detaii and Stormwater <br /> Management Report. <br /> 9.0 LANDSCA�'E PLAN <br /> 9.1 The Final Landscape Plan should include the location and sequencing of buckthorn removal (should <br /> correspond with VegetaLion Management Plan}. <br /> 9.2 Trees on the west side of the Filtration Basin should be relocated to remove conflict with proposed <br /> storm sewer. <br /> 9.3 Trees on either side of Street A at the intezsection with Old Crystal Bay Road should be relocateil to <br /> remove conflict with proposed storm sewer. <br /> 9.4 Trees on the north side of Lot 8,Block 1 should be relocated to remove conflict with proposed <br /> sanitary sewer and watermain. <br /> 9.5 Trees adjacent to Pond 1 should be relocated to zemove conflict with proposed retaindng wall. <br /> Please 1et me lmow if you have atly questions or need addit�ona�informaCion. <br /> Sincerely, <br /> BOLTON&MENK, INC. <br /> ������ <br /> Robert B. Bean,Jr., P.E. <br /> Water Resources Engineer <br />