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HomeMy WebLinkAboutFile Documents.211 W Hopkins Ave.0078-2021-BRES (9) 111; aspen 500 w main st,aspen co 81611 + t 970 544 9006 denver 1830 blake st,denver co 80202 + t 303 308 1373 visit www.rowlandbroughton.com rowland+broughton architecture/urban design/interior design MEMORANDUM Project: 22037.00— Pan Abode Permit#: 0078-2021-BRES Subject: Permit Comment Response Date: 10 Sept 2021 Please find original comment and responses below. Referenced files attached separately. NUMBER COMMENT RESPONSE HPC A4.1 Please indicate location for FDC and strobe Per AMC Ordinance 40, the cabin is not on historic house. Place as "discretely" as required to be sprinkled as it contains possible and use white casing for strobe. less than 5,000 SF fire area.A FDC with strobe connection is not required. A4.5 Please study other locations for meters Proposed location acceptable to HPC. and disconnect, including free standing Please see study and response files for location, hanging on a fence, etc. record. Z0.4 Please provide detailed plans for Please find a detailed description of the temporary relocation/on-site storage of relocation and stabilization plans the historic resource during excavation, attached. Note regarding chimney along with plans for temporary or reconstruction added to Sheets permanent stabilization for the structure. A2.1,A2.1d,A2.2,A2.2d,A4.1,A4.4 and A4.5. PARKS L100 Submit tree removal permit. In process L301a Use original fence post holes for fence or We will need to get approval for the 30" get approval from City Forester in writing. fence that returns to the pan abode since there is no ex.fence there currently. L301b Permission from City Forester will be We will get permission before digging. required for location of fence posts in dripline of tree. L400 You can plant these but they will not be We have not proposed used multi stem allowed to be used to offset mitigation. aspens in mitigation offset values. Single stems are allowed to be used for ,,I, 1\ offsetting mitigation. i 4c/ ` Page 1of5 09/13/2021 ASPEN BUILDING DEPARTMENT rowland+broughton architecture/urban design/interior design Survey-a Floating sidewalk required in driplines of We have detailed as such. See sheet trees. C.1.001 for added note. Survey-b Letter from neighbor may be required for Approval from neighbor to the West excavation within tree driplines. has been received. Letter from the Neighbor to the East will be submitted when received. C.1.001a Floating sidewalk required in dripline of Detail will show 2"of aggregate and spruce- 2" maximum excavation only. then floating sidewalk detail on top of that. See sheets C.1.001 & C.1.002 for added notes. C.1.001b Air spading will be required on both sides Will coordinate with GC. See sheets of trench for water/storm drain lines. C.1.001 & C.1.002 for added notes. C.1.001c Move water service line to west side of See sheet C.1.001 for relocated water property as discussed with City Forester. services. C.1.001d Remove storm drain from dripline of See sheet C.1.001 for revised storm pipe spruce. layout. C.1.001e Use same 4'wide trench for storm drain as See sheet C.1.001 for revised storm pipe water line and route drain outside of layout. Verified with COA Engineering dripline of spruce -Verify with Water Dept that separation is required for water required separation of storm drain and mains and non-potable lines. The water water line. service will be 7'-10'deep and the storm pipe reaches 5'deep max; will be in the same trench. WELS MARKUP#1 1 Signature of a qualified landscape design See sheet IR-1 for signature. professional is required. 2 Please include the species of the sod See sheet L400 for sod species. 3 Per Sheet L-401, the proposed turf is rated See sheet IR-1 for water budget for medium water (.65 plant factor). Please calculations. revise the water budget accordingly 4 Trees should be on separate valves from See sheet IR-1 for revised calculations shrubs, perennials and ground covers as and sheet IR-2 for revised plans. per WELS Section 5.2.7. Revise plans and calculations. 5 Please indicate the total irrigated area in See sheet IR-1 for revised right of way the City ROW here. irrigated sqft. 6 Trees should be on separate valves from See sheet IR-1 for revised calculations turf as per WELS Section 5.2.7. Revise all and sheet IR-2 for revised plans. plans and budget calculations accordingly. 7 As per WELS Section 5.1.3, a lockable See sheet IR-2 for plan change, and IR-3 master valve is required. Revise plan to detail for lockaable master valve ErEIVED include this component. assembly. Page 2of5 09/13/2021 ASPEN BUILDING DEPARTMENT rowland+broughton architecture/urban design/interior design ZONING A2.2 Provide a 3rd floor/roof plan for the new Please find sheet A2.3 attached. Please house also find sheets A5.1 and A5.2 for reference. A4.1 Not sure what this is for.We measure to Sheet A4.1-A4.5 Revised to omit Roof the midpoint on a 3:12 roof. Level line. Dimensions revised to show height to height calculation point. A4.4a Maximum height line should mirror most Sheet A4.4 revised to show maximum restrictive,which at this point is finished height line 25'-0"above proposed grade. grade. A4.4b The bottom of the pit can be no more than Sheet A4.4 revised to show max. 2'-6" 2'-6". Please provide a note on the plans dimension. Note revised to reflect intent stating that the mechanical pit will be no as follows:RECESSED MECHANICAL deeper than 30". YARD; MAX 30"BELOW GRADE. RE:LANDSCAPE/CIVIL DWGS.AIR CONDENSING UNITS MUST BE LESS THAN 30"ABOVE GRADE;MAX 30" BELOW GRADE. Please also see detail 3/A1.1 note that mechanical well not to exceed 30"below grade. A4.4f Please verify that the fence is not more Please see sheet L802 for fence detail. than 6'tall from the most restrictive grade Fence is max 6'-0"tall and will follow grade. Z0.2a Check math for house area totals. Please see revised chart total on Sheet Z0.2 Z0.2b Check math for combined area totals. Please see revised chart total on Sheet Z0.2 Z0.2c This staircase was already counted on the Please see revised detail 3/Z0.2 and floor below. On this level this would be revised FAC table total on Sheet Z0.2 simply a hole in the floor and therefore does not count as FA. Z0.2d I do not believe that this matches the Code Chart on sheet Z0.2d updated to more or approvals. Per the code for duplex on clearly show bonus granted by HPC. 6,000 sq ft lot=3,600 FA+ 135 (per Council ordinance)for a total Allowable FA of 3,735 20.2e House area does not match the amount Please see revised chart on Sheet Z0.2 shown in the pictures. Please reconcile. showing correct area. RECEIVED Page3of5 09/13/2021 ASPEN BUILDING DEPARTMENT rowland+broughton architecture/urban design/interior design Z0.2f FA includes all areas within the Please see revised details and chart on surrounding walls- including fireplaces. Sheet Z0.2 including area to face of stud Please include the projection for the support at fireplace on levels one and fireplace on both the ground and upper two. floors. L804a In order for a structure to be counted as Please see sheet S2.01 for decking "patio" and not deck, it must be no more details. than 6" from finish grade at both perimeter as well as underneath. Please modify this or add it to the deck totals. S100 Show window wells,fireplace foundation Please see revised sheet S100 attached. BUILDING B-1 The special inspection and testing Please find the signed special inspection agreement document provided is not and testing agreement attached. signed. Please provide a signed copy to the jurisdiction. B-2 Refer to the landscaping plans:The deck Refer to Structural plans sheet S1.01 framing shown on sheet L804 is not and section 4/S2.01 for all information adequate to support the 100psf ground on framing for deck. snow load. Please provide engineered structural plans.The provided foundation and structural plans do not include the deck. B-3 Refer to sheet A1.1: Please add the line Please see revised sheet A1.1 note used to determine fire separation distance indicating line of minimum 10'-0"fire to the proposed site plan. Looks like there separation distance between cabin and will not be any issues,just need for the house structures. record set of plans. B-4 Refer to sheets A8.2 and A8.3; Please Please see revised sheets A8.2 and A8.3 identify the windows and doors that will indicating safety glazing locations in require safety glazing. Although sheet A0.3 each window type elevation. outlines the requirements, actual labels will help avoid confusion in the field. STRUCTURAL S-1 Please verify that a shoring plan will not be Shoring plan is required. Please find needed for the new home excavation. proposed shoring plan attached. Please also see A2.0,A7.2,A7.12 and S100 showing the revised Cabin foundation wall configuration to accommodate shoring and minimize tree root disturbance. RECEIVED Page4of5 09/13/2021 ASPEN BUILDING DEPARTMENT rowland+broughton architecture/urban design/interior design S-2 Provide the engineered truss details for Please see attached for the revised review or specify this will be a deferred 50.01 stating that the pre-engineered submittal. wood trusses are a deferred submittal MECHANICAL M-1 No comments. Acknowledged PLUMBING P-1 Aspen does not require plumbing plans for Acknowledged single family dwellings. ENERGY No Comments ELECTRICAL E-1 Aspen does not require electrical plans for Acknowledged single family dwellings. Verified the required electric vehicle charging was included. ENGINEERING 9/8/21 Email After speaking with the water distribution The bury depth for the water service is Shoring Plan team,they want to see 7' of vertical 7-10'and our storm pipe gets to Comments separation between the storm pipe and roughly 5'deep;only way to get 7' the water service line to ensure proper separation is to bury the water service bury depth from open air conduit. Spot to the max 10'and shallow the storm elevation call outs or a profile view of pipes and provide heat tape throughout those pipe sections would help. the entire system. The simpler solution of insulation seems to be the best solution. 9/8/21 Email I do have one drainage concern about the The gravel surrounding the drywell has Shoring Plan vicinity of the micropiles to the drywell on been expanded to 2'in width and will Comments the north side and if there is enough begin 10'away from the foundation; clearance for that side of the drywell to percolation area updated in the have proper percolation area, but that is drainage study. Only a small portion more of a storm system question. north of the drywell will be less than 2' due to the cap. 9/1/21 Mtg Concern with storm drainage tied to Sheet C.1.002, notes#10 and 11 clearly C.1.001 foundation system and surface daylight state 'do not tie storm pipe to pump discharge. foundation drain'. RECEIVED Page5of5 09/13/2021 ASPEN BUILDING DEPARTMENT