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HomeMy WebLinkAboutFile Documents.533 W Hallam St.0285.2018.ARBKX_533 W Hallam St_Engineering2 Page: [1] 1-Cover Cover Sheet File Name: Civil - Comment Response Drawings.pdf An updated drainage report was not included in the resubmittal. Please provide. Civil - Comment Response Drawings.pdf (18) Page: [5] C2 Site Plan File Name: Civil - Comment Response Drawings.pdf Will the snowmelted concrete end at the property line? If snowmelt is placed int he ROW it needs to be on a separate zone and will require a permanent encroachment license. Page: [5] C2 Site Plan File Name: Civil - Comment Response Drawings.pdf Verify the proposed C&G detail matches the neighbors C&G. Page: [5] C2 Site Plan File Name: Civil - Comment Response Drawings.pdf Provide snowmelted pervious paver detail. Clarify on the plans the extents of the snowmelted pervious pavers. Page: [6] C3 Utility Plan File Name: Civil - Comment Response Drawings.pdf Show asphalt patch for abandonment of the existing water service. Show abandoned water service line. LLC . An updated drainage report was not included in the resubmittal. Please provide. Will the snowmelted concrete end at the property line? Ifsnowmelt is placed int he ROW it needs to be on a separate zone and will require a permanent encroachment license. Verify the proposed C&G detail matches the neighbors C&G. Provide snowmelted pervious paver detail. Clarify on the plans the extents of the snowmelted pervious pavers. Show asphalt patch for abandonment of the existing water service. Show abandoned water service line. Page: [6] C3 Utility Plan File Name: Civil - Comment Response Drawings.pdf The demo plan and response to comments states the existing sanitary service line will be reused. This utility sheet is showing a new service line. Please verify and show what is planned. Page: [6] C3 Utility Plan File Name: Civil - Comment Response Drawings.pdf Show or call out what transformer the property is tying in to. Reach out the the Electric Department to ensure the existing transformer has capacity to feed the new house. Page: [6] C3 Utility Plan File Name: Civil - Comment Response Drawings.pdf Provide fire flow calcs or a memo from the fire suppression company that verifies a 2" line is needed and a smaller service line will not provide adequate fire suppression flows. Page: [7] C4 Grading & Drainage Plan File Name: Civil - Comment Response Drawings.pdf Has HPC approved the placement of the lid in front of the historical house? Typically manhole lids are not permitted. If the lid is covered the maintenance and inspections of the pump needs to be addressed. Page: [7] C4 Grading & Drainage Plan File Name: Civil - Comment Response Drawings.pdf The drainage report does not mention a sump pump. Is the 4" drain routed to the sump pump where it is then pumped up to the reverse trench drain? With a no infiltration paver section the pump will turn on after every storm. Verify runoff will be evenly spread and will not point discharge into the ROW or erode a path. The demo plan and response to comments states the existing sanitary service line will be reused. This utility sheet is showing a new service line. Please verify and show what is planned. Show or call out what transformer the property is tying in to. Reach out the the Electric Department to ensure the existing transformer has capacity to feed the new house. Provide fire flow calcs or a memo from the fire suppression company that verifies a 2" line is needed and a smaller service line will not provide adequate fire suppression flows. Has HPC approved the placement of the lid in front of the historical house? Typically manhole lids are not permitted. If the lid is covered themaintenance and inspections ofthe pump needs to be addressed. The drainage report does not mention a sump pump. Is the 4" drain routed to the sump pump where it is then pumped up to the reverse trench drain? With a no infiltration paver section the pump will turn on after every storm. Verify runoff will be evenly spread and will not point discharge into the ROW or erode a path. Page: [7] C4 Grading & Drainage Plan File Name: Civil - Comment Response Drawings.pdf The drainage report says runoff from basin 4 and 5 will sheet flow to 5th St. This plan shows runoff routed to the pump and reverse trench drain. Please update report. Page: [7] C4 Grading & Drainage Plan File Name: Civil - Comment Response Drawings.pdf No plumbing plans are provided. Show downspouts and how structure drains. Page: [7] C4 Grading & Drainage Plan File Name: Civil - Comment Response Drawings.pdf How does the patio drain? The civil plans call out a flat patio. The mechanical plans do not show any drains. There are no plumbing plans provided in the submittal. Is the design to have 4" of grass in between the pavers and a standard green roof drainage? Where is drainage routed? Page: [7] C4 Grading & Drainage Plan File Name: Civil - Comment Response Drawings.pdf No infiltration pervious pavers require an underdrain. Please show underdrain routing. This strip of pavers appears to be outside the extents of the subgrade building. Page: [7] C4 Grading & Drainage Plan File Name: Civil - Comment Response Drawings.pdf Provide a detail of snowmelted no infiltration pervious pavers above subgrade structure. The drainage report says runofffrom basin 4 and 5 will sheetflow to 5th St. This plan showsrunoff routed to the pump andreverse trench drain. Pleaseupdate report. No plumbing plans are provided. Show downspouts and how structure drains. How does the patio drain? Thecivil plans call out a flat patio. The mechanical plans do notshow any drains. There are no plumbing plans provided in the submittal. Is the design to have4" of grass in between the pavers and a standard greenroof drainage? Where is drainage routed? No infiltration pervious pavers require an underdrain. Please show underdrain routing. This strip of pavers appears to be outside the extents of thesubgrade building. Provide a detail of snowmelted no infiltration pervious pavers above subgrade structure. Page: [7] C4 Grading & Drainage Plan File Name: Civil - Comment Response Drawings.pdf The landscape plan sheet L1.01 calls out concrete pavers set in sand on existing grade within driplines. Show the extents of the sand set pavers and the extents of the true pervious paver detail with gravel subgrade. WQCV can only be accounted for in areas with a section that matches the URMP detail. Provide a detail of the pavers set in sand in the dripline. The area of these pavers is considered impervious. Page: [10] C7 Detail (1) File Name: Civil - Comment Response Drawings.pdf On the plan view show the extents of the floating sidewalk. The property is in a sidewalk deffered zone and thus a public sidewalk is not needed. Where is this floating sidewalk detail utilized? Page: [11] C8 Detail (2) File Name: Civil - Comment Response Drawings.pdf This detail is for full full infiltration pavers. The plan calls out no infiltration pavers. Clarify where infiltration pavers are utilized. The landscape plan sheet L1.01 calls out concrete pavers set insand on existing grade within driplines. Show the extents ofthe sand set pavers and theextents of the true perviouspaver detail with gravelsubgrade. WQCV can only beaccounted for in areas with asection that matches the URMPdetail. Provide a detail of the paversset in sand in the dripline. The area of these pavers isconsidered impervious. On the plan view show the extents of the floating sidewalk. The property is in a sidewalkdeffered zone and thus a publicsidewalk is not needed. Whereis this floating sidewalk detailutilized? This detail is for full fullinfiltration pavers. The plan callsout no infiltration pavers. Clarifywhere infiltration pavers are utilized.