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HomeMy WebLinkAboutFile Documents.134 E Bleeker St.0102-2020-BRES (34) Engineering) - 134 E Bleeker St - 0102-2020-BRES 40.Drainage Narrative.20200812.pdf(3) Page: C-5 2014 right of way,including new curb and gutter along Not File Name: 40.Drainage Narrative.20200812.pdf 'ections at the intersection,and sidewalk following Eas meeting the City of Aspen Engineering Design Stant osed. 2014 OK [dies IRMP r nd the property is within the boundar This date has been corrected. prope within a Mudflow area. no analysis was required. �_ ,� Page: C 7 A little confusing here. a�a..W_."° ° w ..,, .v File Name: 40.Drainage Narrative.20200812.pdf Previously it's mentioned that ~17:l^7.7I"`I- • " I-~;I ^ Basin 1 (which appears to be the After basin adjustments,the overall entire site)has an 0 0 • "^�"" imperviousness is approximately 59/o. imperviousness of 84/o. Then here it indicates the site is w •u °mW "°°° gym° collectively 58% impervious. Please clarify. ., °ww°� ,�°," .,. ,av,,,�° R OK � Page: C-9 Use a factor of safety of 1.5 for File Name: 40.Drainage Narrative.20200812.pdf drywells. o ptS r urutsat,W we g gma 1 226s q '3' A factor of safety of 1.5 was used and the Luse a factor of safety of 1.5 for drywells. drywell has been resized accordingly. See C8 for drywell elevations and Drainage OK •ater infrastructure.All hydraulics are sized ;ned to route all impervious surfaces to the Report a updated calculations. pr each sub-basin was calculated. forpll ll tions 90.Civil Plans.20200812.pdf(18) Page: Cl File Name: 90.Civil Plans.20200812.pdf Provide an excavation stabilization plan. Provide an excavation This is the responsibility of the contractor. stabilization plan. This plan set and excavation letter has been Not Provi included with this submittal. ded A.B.C. AG( Page: C5 File Name: 90.Civil Plans.20200812.pdf Include entire site in analysis of drainage(add basins for all areas on site). • S Year Peak D Drainage analysis has been redone to oK account for the entire site. See sheet C5 and Include entire site in analysis of drainage (add basins for all areas on site). updated Drainage Report. RECEIVED 03/26/2021 ASPEN BUILDING DEPARTMENT _� A Page: C6 File Name: 90.Civil Plans.20200812.pdf Provide wings on all sidewalk ramps. _ OK Wings have been designed for each sidewalk ramp. See sheet C10. -xwt, �; Page: C6 Is there an existing easement --„ „ C� File Name: 90.Civil Plans.20200812.pdf �`- 7� with sufficient clearance --- °5` distances around this „ritimam3 "�' The electric line has been rerouted to a transformer vault? transformer on a nearby property. The relevant easement book and page number Existing easeement does not / �w E. have been called out. have adequate dimensions. ® Page: C6 ((� File Name: 90.Civil Plans.20200812.pdf The fire suppression calculations INSTALL PROPOSED WATER TAP indicate a 1.5" line at Node 10 is AS PER CITY OF ASPEN SPECS sufficient. Please verify the MINIMUM 1B"FROM EXISTING 2"SERVICE TO BE VERIFIED BY FIRE SUPPRESSION DESIGN required water service line size RFE has verified the fire suppression calculations for fire protection. and a 1.5"line is sufficient and has been called out far"" P e�o oa on sheet C6.A memo is attached detailing these OK calculations. Page: C6 Ensure the light base sits 4" provide File Name: 90.Civil Plans.20200812.pdf above grade toprevent water Light Post ;';, damage. Will the light be detail .1=11 reinstalled in the exact same ..• The light will be relocated to accommodate the position or is it relocated to » --- -- sidewalk.A 4"minimum base and elevation has accommodate the sidewalk? ZEaaI been called out on sheet C6.Elevation 4" above Contractor to verify there is grade=7895.707'. adequate slack in the electric lines to move the lightpole. Page: C6 Easy 13 --xWl., The existing conditions sheet 74.,8. KER File Name: 90.Civil Plans.20200812.pdf R'ciir oFSgREEr shows an existing valve on this The existing tap has been shown on C6 and the water main. Show the valve on the utilites sheet and ensure no The existing conditions sheet water line has been relocated to be 3'from the conflict between the valve and shows an existing valve on this water main.Show the valve on existing tap to ensure there is no conflict new tap. the utilites sheet and ensure no conflict between the valve and between the two. new tap. OK RECEIVED 03/26/2021 ASPEN BUILDING DEPARTMENT // Page: C7 7 The variance request to place /// — File Name: 90.Civil Plans.20200812.pdf //,I - the drywell within 10'of the I� f See the attached memo from the Structural building foundation requires a IThe variance request to place the drywell w;thin 10'of the stamped memo from the °°"cturalEngineerstafinesa stamped memo from the „ Engineer. structural Engineer stating it will structural Engineer stating it will have no negative effect °°thef°°nda`i°° J//. have no negative effect on the --------------- foundation. Not --------- --- t " provi --- ded. Page: C7 File Name: 90.Civil Plans.20200812.pdf Provide inverts for all a�° downspouts and catch basins. / / ——jProvide inverts for all Invert elevations have been added to sheet C7. -- downspouts and catch basins. OK / ° p _______ ________ Page: C7 File Name: 90.Civil Plans.20200812.pdf It appears Storm Line D conflicts with the drywell.Verify all the / bends and fittings can fit in the / It appears Storm Line D limited area. / conflicts with the drywell.Verify The drywell has been relocated slightly south to / all the bends and fittings can fit in the limited area. - avoid conflict with Storm Line D. See sheet C7. OK 1. "/�a : Page: • C7 I File Name: 90.Civil Plans.20200812.pdf The soils report needs to include a perc test and/or address the ® a/. appropriateness of the use of a The soils report needs to include a pare test and/or / _ See the attached Soils Report indicating drywell given the site soil —address the appropriateness of the use of a drywell given —,� characteristics. _theaitesodcharacteristics. / that a drywell is suitable. A drywell was was,/ chosen because the site is too small for an Not ADDRESSED Ile above ground storage option, such as a detention basin. Page: C8 File Name: 90.Civil Plans.20200812.pdf Do not see a profile for Storm System D. Do not see a profile for Storm A profile for Storm System D has been added. System D. See sheet C8. OK RECEIVED 03/26/2021 ASPEN BUILDING DEPARTMENT Page: C9 File Name: 90.Civil Plans.20200812.pdf Properties adjacent to alleys with sidewalks are required to install an alley apron if one is not present. Please include the An alley apron has been designed according to installation of the alley apron. ` " "` detail 2021. See sheet C11. Follow detail 2021 of the COA <M <i ( Engineering Desi rds. OK o _,`' Page: C9 This snowmelt call out does not File Name: 90.Civil Plans.20200812.pdf a>s« align with the landscape plans. The landscape plans show no RFE s snowmelt plan has been altered to match snowmelt in the ROW. Verify , e, the landscape plans. See sheet C9 for snowmelt both plans align and show e complete extents of the OK callouts. snowmelt. ' The snowmelted walkway °"�° cannot extend through the sidewalk as it creates icing issues. Page: C10 Provide a detail for the File Name: 90.Civil Plans.20200812.pdf D "depressed"curb as called out across the alley in the plan view. 35.0/S 0.00'L P� a°e,a l3pr me GUTTER tEe alley In Use plan our 36.0/S 0.00 The depressed curb has been replaced with an NSITGN OK ABLEECURB AND"GUTTTEER alley apron. See sheet C17 for COA detail. \ 35.0/S 0.00'R 3ITION ABLE CURB AND GUTTER TA :- Page: C10 File Name: 90.Civil Plans.20200812.pdf Provide wings on all sidewalk ramps. r ithii, tl Wings have been designed for each sidewalk lihkx................„.. 116! ramp. Sec sheet C10. Provitle wings on all sidewalk OK ramps. air f. , .. �. ,.. Page: C11 0 }{ "9'>° File Name: 90.Civil Plans.20200812.pdf Call out 2%cross slopes on .. / �,.30 ramps. as.3s , .ersssz>� S= � ?0p. a0ss3> OK !! „ 6 Cross slopes have been called out. ,s< was: V <a ,,,&aeean Sao , 4 RECEIVED 03/26/2021 ASPEN BUILDING DEPARTMENT Page: C14 File Name: 90.Civil Plans.20200812.pdf Replace this detail with COA Engineering Standard detail E.E5="r", 207A Detail 207A has been inserted(see sheet C14). o RED To BE GREATER THAN PART See C4 for demo asphalt patch. Call out asphalt patch per City of Aspen Engineering Standards $TRFFj ox WD sinxoavEXCAVATION SAW CUT SA FULL DEPTH a NG ASPHALT OK RECEIVED 03/26/2021 ASPEN BUILDING DEPARTMENT