F-3 C15-2022-0001 PRESENTATION — original pdf

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BOA Variance Package December 28, 2021 Project: 3002 Rivercrest Drive Owner and development team is seeking a variance request to allow a new construction build at 3002 Rivercrest Drive, Austin, Texas 78746. F-3/1-PRESENTATIONThe Lake Austin zoning (25-2-492) requires a 40’ setback from the front lot line and we are requesting a 25’ setback for only a portion of the build (32’ 1 1/4” out of 106.86’). F-3/2-PRESENTATIONThe original plat (1961) and amended plat (1995) show a 25' building line. The only reason it was replatted was to reflect the lot lines due to a public utility easement access. F-3/3-PRESENTATION1961 PLAT TRAVISCOUNTY VOLUME PAGE 29-61RUELL 4409 RIVERCREST ADDITION SECTIO lanSale aftheCit 2BahnandOsbornCansfrut perschalludopsoredDennisL.Osborn,Presidentos B:,Esain uncers filicasneslessfren136 IsOu I N T S U A Y L BIL HIL L : * , ! 1 F-3/4-PRESENTATION1961 PLAT DETAIL (LOT 12) F-3/5-PRESENTATION1995 AMENDED PLAT F-3/6-PRESENTATIONF-3/7-PRESENTATIONAMENDED PLAT DETAIL F-3/8-PRESENTATIONMany plans have been approved in the subdivision in the last decade that use the 25' setback. Fourteen out of 24 lots have homes that is closer than 40', 2 out 24 lots are vacant, and 7 out of 24 are 40' or more. F-3/9-PRESENTATION2021 SURVEY FOR 3000 RIVERCREST WITH 25' BL City of AustinREVIEWED FOR CODE COMPLIANCEF-3/10-PRESENTATION2014 SURVEY FOR 3206 RIVERCREST WITH 25' BL F-3/11-PRESENTATION2011 SURVEY FOR 3004 RIVERCREST WITH 25' BUILDING LINE F-3/12-PRESENTATIONAn iteration of the design based on the plat and the neighbors' success in building based on the 25' setback has already been denied by the City of Austin. Considerable amount of time and energy has already been spent getting this approved to Lake Austin zoning standards. F-3/13-PRESENTATIONLOT SUMMARY ZONING: LOT AREA: SHORELINE SETBACK AREA: MAX. IMP.COVER: [.35 X (LOT AREA - SHORELINE SETBACK AREA)] = MAX. BLDG COVER: MAX.FAR: 6,792.8 SF 7,989.2 SF (40%) 7,989.2 SF (40%) LA 19,973 SF (100%) 565 SF IMPERVIOUS COVER TOTAL BUILDING COVERAGE: DRIVES: PAVERS: AC & EQUIP. PADS: POOL CATCH BASIN & COPING 5,804 SF (29.1%) 625 SF 138 SF 27 SF 71 SF TOTAL IMPERVIOUS COVER 6,665 SF (34.3%) INITIAL PLANS DENIED BY COA WITH 25' SETBACK PLANS INITIALLY REJECTED BY CITY OF AUSTIN BUILDING COVERAGE 1ST FLOOR CONDITIONED: COVERED PORCHES: GARAGE: OUTDOOR WC (UNCONDITIONED) TOTAL BLDG COVERAGE 3,838 SF 585 SF 1,322 SF 24 SF 5,769 SF GROSS FLOOR AREA BUILDING AREA EXSTNG NEW EXEMPT. TOTAL BLDG 1 - 1ST FLOOR: BLDG 1 - 2ND FLOOR: BLDG 1 - PORCHES: BLDG 1 - GARAGE 0 0 0 0 TOTAL GROSS FLOOR AREA 3847 SF 2804 SF* 585 SF 1322 SF 0 0 -585 0 3847 SF 2804 SF* 0 SF 1322 SF 7,973 SF (39.9%) * INCLUDES 722 SF OF DOUBLE HEIGHT 1ST FLOOR AREA. TOTAL 2ND FLOOR AREA = 2,087 SF PROTECTED TREE IMPACTS TREE 201 CALIPER SPECIES RZ AREA PREV. IMPACTS PROP. IMPACTS 41.3" PECAN 5349 SF 2672 SF (49.9%) 2813 SF(52.5%) " 7 - ' 4 2 1 A3.0 4 21' - 0" 11' - 3 1/4" 7' - 11 1/2" POOL 601 SF POOL CATCH BASIN & COPING 71 SF UP 1ST FLOOR 3847 SF PAVERS 138 SF 3' - 10 1/2" 4' - 7" 2' - 7" FRONT PORCH 94 SF 0' - 8 1/2" 7' - 6 1/2" 5' - 11" 41' - 1 1/4" 15' - 3 1/4" 3' - 11 1/4" 28' - 3 1/4" 23' - 8" 3' - 0 1/2" 35' - 6 3/4" 58' - 11" A3.0 2 " 4 / 3 0 - ' 2 " 9 - ' 7 " 4 / 1 5 - ' 8 " 2 / 1 0 1 - ' 6 " 0 - ' 2 3 " 0 1 - ' 3 " 6 - ' 6 " 2 / 1 3 - ' 8 2 " 3 - ' 8 1 " 2 / 1 8 - ' 2 4 " 2 / 1 9 - ' 4 3 " 0 - ' 4 " 0 - ' 2 " 2 / 1 1 1 - ' 0 1 " 4 / 1 5 - ' 1 1 " 4 - ' 0 2 " 6 - ' 6 " 8 - ' 2 2 " 2 / 1 0 1 - ' 3 " 9 - ' 5 REAR PORCH 491 SF 1' - 10 1/2" n e v O W " 8 4 ' 4 2 ° 8 3 S ' 9 5 . 7 1 S 51° 59' 17" E 36.75' 1 A3.0 8' - 0" 16' - 0" " 2 / 1 1 - ' 3 " 0 - ' 5 2 " 2 / 1 1 - ' 3 PROPANE TANK W " 9 2 ' 2 0 ° 8 3 S ' 6 8 . 6 0 1 " 9 - ' 9 9 " 4 / 3 0 - ' 4 1 " 2 / 1 7 - ' 1 " 4 / 1 0 - ' 1 1 " 4 / 3 6 - ' 6 1 " 1 - ' 4 1 " 8 - ' 7 1 " 2 / 1 6 - ' 7 " 3 - ' 1 3 " 2 / 1 5 - ' 0 1 GARAGE 1322 SF " 4 / 1 1 - ' 2 3 DRIVE 625 SF 21' - 9 1/2" 46' - 1" 41' - 1" N 52° 02' 11" W 162.79' 108' - 11 1/2" 25' - 5 1/2" 3 A3.0 C Lamme & Aker Urban Studio, LLCAll rights reserved. All designs, drawings, plans & specifications are the property of LAMME & AKER URBAN STUDIO, LLC. Purchaser's rights are conditional & limited to a one-time use to construct a single project on the site & use is limited specifically to such property. The use or reproduction of these plans concerning any other construction is strictly prohibited without the written permission of LAMME & AKER URBAN STUDIO, LLC 2 SITE PLAN 3/32" = 1'-0" Project # Consultants 20.02 Consultant Address Address Address Phone Consultant Address Address Address Phone Consultant Address Address Address Phone Consultant Address Address Address Phone T S E R C R E V R 2 0 0 3 I T S E R C R E V R 2 0 0 3 I MILLS Drawn by Checked by ADR HHL Date 12/10/2020 ISSUE ENGINEERING SET SITE/PLOT PLAN A1.1 Scale 3/32" = 1'-0" The initial design was based on the neighbor's setback.F-3/14-PRESENTATIONSEPTIC PLAN F-3/15-PRESENTATIONAPPROVED PLANS LOT SUMMARY ZONING: LOT AREA: SHORELINE SETBACK AREA: MAX. IMP.COVER: [.35 X (LOT AREA - SHORELINE SETBACK AREA)] = MAX. BLDG COVER: MAX.FAR: LA 19,973 SF (100%) 565 SF 6,792.8 SF 7,989.2 SF (40%) 7,989.2 SF (40%) IMPERVIOUS COVER TOTAL BUILDING COVERAGE: DRIVES: PAVERS: AC & EQUIP. PADS: POOL CATCH BASIN & COPING TOTAL IMPERVIOUS COVER 5,288 SF (26.4%) 1015 SF 121 SF 36 SF 102 SF 6,562 SF (32.8%) GENERAL NOTES 1. NO NEW PROPOSED IMPACTS TO ANY PROTECTED TREE CRZ. 2. SITE SLOPE OF <15% THROUGHOUT THE ENTIRE LOT. REFER TO ADJACENT SITE SLOPE TABLE. 3. PROVISION OF AUXILIARY WATER SOURCE FOR LANDSCAPING TO BE COORDINATED BY GENERAL CONTRACTOR. 4. PER LDC 25-2-551, SHORELINE SETBACK = 25' FOR LOTS <200' DEPTH. REFER TO ATTACHED DOCUMENTATION ESTABLISHING PRE-1982 PLAT STATUS. 5. CONSTRUCTION MATERIAL RECYCLING REQ'D PER LDC 25-11-39 TREE PRESERVATION NOTES 1. PROVIDE TREE PROTECTION AS REQ'D PER ECM 3.5.2. 2. NO PROPOSED NEW IMPACTS WITHIN THE CRZ OF ANY PROTECTED TREES. 3. TREE FENCING TO CONSIST OF MINIMUM 5' HIGH CHAIN LINK FENCING WITH TUBULAR STEEL SUPPORT POLES OR "T" POSTS. 4. TREE TRUNK PROTECTION SHALL CONSIST OF ANY 2X4 INCH OR 2X6 INCH PLANKING OR PLASTIC STRAPPING AND SHALL BE ATTACHED IN A MANNER THAT DOES NOT DAMAGE THE TREE. 5. WHEN TREE PROTECTION FENCING CANNOT INCORPORATE THE ENTIRE 1/2 CRITICAL ROOT ZONE, AN 8" LAYER OF MULCH WITHIN THE ENTIRE AVAILABLE ROOT ZONE AREA IS REQ'D FOR ALL TREES WICH HAVE ANY DISTURBANCE INDICATED WITHIN ANY PORTION OF THE CRITICAL ROOT ZONE. 6. ALL PROPOSED NEW UTILITY ROUTES AND METER LOCATIONS WILL AVOID THE 1/2 CRZ OF ALL PROTECTED TREES. 7. NO PRUNING OF EXISTING TREES IS PROPOSED BUILDING COVERAGE 1ST FLOOR CONDITIONED: COVERED PORCHES: GARAGE: OUTDOOR WC (UNCONDITIONED) TOTAL BLDG COVERAGE 3,845 SF 578 SF 841 SF 24 SF 5,288 SF GROSS FLOOR AREA BUILDING AREA EXSTNG NEW EXEMPT. TOTAL BLDG 1 - 1ST FLOOR: BLDG 1 - 2ND FLOOR: BLDG 1 - PORCHES: BLDG 1 - GARAGE 0 0 0 0 3845 SF 2804 SF* 578 SF 841 SF 0 0 -578 0 3845 SF 2804 SF* 0 SF 841 SF TOTAL GROSS FLOOR AREA 7,490 SF (37.5%) * INCLUDES 722 SF OF DOUBLE HEIGHT 1ST FLOOR AREA. TOTAL 2ND FLOOR AREA = 2,087 SF TREE CALIPER SPECIES PREV. IMPACTS PROP. IMPACTS 19,973 SF .35 X (LOT AREA - SHORLINE SETBACK AREA) = 6,792.8SF 6,658 SF (34.3%) TREE IMPACTS 201 214 215 255 260 41.3" 21" 43.15" 71.75" 15.7" PECAN PECAN PECAN CYPRESS BOX ELDER RZ AREA 5349 SF 1386 SF 5850 SF 16173 SF 774 SF 2672 SF (49.9%) 0 SF 739 SF 825 SF 12 SF TO BE REMOVED* 0 SF 145 SF 825 SF 11 SF 0-15% 15-25% 25-35% 35%+ 0 0 0 *TREE REMOVED UNDER TP 2021-078253. REFER TO ATTACHED CERTIFIED ARBORIST LETTER; NO NEW IMPACTS WITHIN ANY OF THE OTHER PROTECTED ROOT ZONES. SLOPE STUDY ALLOWABLE IMPERVIOUS COVERAGE TABLE SLOPE TOTAL AREA (SF) BUILDABLE AREA (SF) ACTUAL PER PLAN (SF) 10% 5% 0% 0 SF 0 SF 0 SF PROVIDE SILT FENCING & OTHER NECESSARY SITE MANAGEMENT MEASURES PER ECM TO PREVENT SITE RUNOFF DURING ALL DEMOLITION & CONSTRUCTION ACTIVITIES. SHORELINE SETBACK AREA = 565 SF. AREA HAS BEEN DEDUCTED FROM IMPERVIOUS COVERAGE ALLOWANCE CALCULATIONS PROVIDE PROTECTIVE FENCING AT 1/2 CRZ WHERE POSSIBLE; REFER TO TREE NOTES FOR FENCING INFO 58' - 11" R 21' - 7" 1/2 CRZ R 1 0' - 9 1/2" 1/4 C R Z 215 3' - 11 1/4" 28' - 3 1/4" 23' - 8" 3' - 0 1/2" 35' - 6 3/4" POOL EQP & AC PADS 36SF 10' SIDE SETBACK UE UE R 10' - 6" 1/2 C RZ R 5' - 3" 1/4 CRZ 214 W " 8 4 ' 4 2 ° 8 3 S ' 9 5 . 7 1 S 51° 59' 17" 36.75' E 498' - 1 1/2" PROPOSED CONSTRUCTION ACCESS ROUTE; KEEP OUTSIDE ALL 1/2 CRZS E U K C A B T E S E D S I ' 0 1 UE UE 10' SIDE SETBACK POWER POLE EXISTING WATER METER (TO BE REMOVED) 1 2 4 . 7 1 ' N 3 5 ° 2 8 ' 1 3 " E 497' - 1" LOW GRADE PROVIDE PROTECTIVE FENCING TO ENCOMPASS AS MUCH OF FULL CRZ AS POSSIBLE. AN 8" LAYER OF MULCH WILL BE REQUIRED OUTSIDE OF FENCING OUT TO FULL CRZ; REFER TO TREE NOTES FOR ADD'TNL FENCING INFO " 7 - ' 4 2 1 K C A B T E R S O RID R O W C VIE POOL 570 SF POOL COPING 102 SF 7' - 11 1/2" H C R O P T N O R F F S 4 9 UP 1ST FLOOR 3847 SF PAVERS 121 SF " 4 / 3 2 - ' 4 1 / " 4 3 0 - ' 8 6 " 0 - ' 9 1 / " 4 1 1 - ' 2 3 " 4 / 1 0 - ' 0 1 MATERIAL STAGING, PORTABLE TOILET, CONCRETE & PAINT WASHOUT AREA " 4 / 3 6 - ' 7 1 / " 4 1 3 - ' 8 6 " 0 - ' 5 2 " 7 - ' 3 1 W " 9 2 ' 2 0 ° 8 3 S ' 6 8 . 6 0 1 DUMPSTER AREA NEW WATER METER K C A B T E S T N O R F ' 5 2 1 GL GL 499' - 1" HIGH GRADE . . E U P . ' 5 D N U O R G R E D N U K N A T E N A P O R P DRIVE 1015 SF 25' - 0" 5' - 0" 32" CLEAR VISITABLE ROUTE GARAGE 841 SF DN R 35' - 10 1/2" 1/2 C Z R R 17' - 11 1/4" 1/4 CRZ 255 1' - 10 1/2" REAR PORCH 491 SF K C A B T E S R A E R ' 0 2 n e v O 497' - 8" 498' - 3" 260 21' - 10" 10' SIDE SETBACK 498' - 2" W 201 TO BE REMOVED 25' - 0" SHORELINE SETBACK N 52° 02' 11" 162.79' W 46' - 1" 94' - 0" 26' - 1" 40' - 5 1/2" 184' - 2 1/2" DISTANCE FROM FRONT LOT LINE TO SHORELINE < 200' " 0 - ' 2 / " 2 1 1 1 - ' 0 1 / " 4 1 5 - ' 1 1 " 4 - ' 0 2 " 6 - ' 6 / " 2 1 6 - ' 6 2 " 9 - ' 5 C Lamme & Aker Urban Studio, LLC All rights reserved. All designs, drawings, plans & specifications are the property of LAMME & AKER URBAN STUDIO, LLC. Purchaser's rights are conditional & limited to a one-time use to construct a single project on the site & use is limited specifically to such property. The use or reproduction of these plans concerning any other construction is strictly prohibited without the written permission of LAMME & AKER URBAN STUDIO, LLC SITE PLAN - ZONING & TREE PRESERVATION 3/32" = 1'-0" 1 Project # Consultants 20.02 All Star Land Surveying 9020 Anderson Mill Rd. Austin, TX 78729 p(512) 249-8149 f(512)331-5217 Delcon Environmental Systems, LLC 12713 Majestic Oaks Dr. Austin, TX 78732 p(512)583-1397 Sid Mourning Tree Service Orion Stahlbaum 3810 Medical Pkwy #243 Austin, TX 78756 p(512)420-0733 Bufkin Engineering, Inc. 2309 W 8th St. Austin, TX 78703 p(512)236-8070 c(512)914-2659 T S E R C R E V R 2 0 0 3 I T S E R C R E V R 2 0 0 3 I MILLS Drawn by Checked by ADR HHL Date 12/10/2020 ISSUE PERMIT SET ZONING & TREE PRESERVATION SITE PLAN A1.1 Scale 3/32" = 1'-0" City of AustinREVIEWED FOR CODE COMPLIANCEF-3/16-PRESENTATIONThe construction of a tandem garage would reduce street parking which would in turn lessen street congestion and help make a safer environment with the busy foot traffic on the narrow street. F-3/17-PRESENTATIONThe hardship that is faced with this property is with the shape and size of the lot in relation to the LA zoning setback requirements, existing easements,, and required location of the septic system. F-3/18-PRESENTATIONGranting of this variance would not change the character of the neighborhood. Most of the subdivision is operating under the idea there is a 25' setback. The garage would be on the same side as a property that also has a garage beyond the 40’ setback built in 2014. F-3/19-PRESENTATIONSetbacks are intended to protect privacy, provide for open space, and avoid the aesthetic and safety concerns with overcrowding. F-3/20-PRESENTATIONIf this variance is granted, privacy will be not altered due to the fact that only the garage portion of the build will be included in a closer setback. IIt won’t effect open space because it will be side by side with the neighboring property’s garage. And finally it help appease the aesthetics of overcrowding by removing cars from the street and hiding them in the garage. F-3/21-PRESENTATIONWe value the time and consideration the BOA puts into keeping Austin a beautiful and comfortable place to live. Thank you for your careful consideration of our request. F-3/22-PRESENTATION