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HomeMy WebLinkAboutAgenda 05_HeritagePAGE [ 1 ] Summary Response Date:  July 1, 2020  To:   City of South Burlington Development Review Board  From:  Heritage Aviation Design Team  Re:  Preliminary/Final Plat Staff Comments for Application #SD‐20‐20  Staff Comments were provided to the design team in advance of the July 7, 2020 Development Review Board hearing. We have provided below, a summary of the comments and our project team’s proposed responses for consideration. 1. Staff recommends the Board discuss with the applicant whether they have received approval for the  proposed project from the FAA. Staff considers as an expansion of an existing use, the impact of the project on  compliance with these criteria are likely limited.  The FAA construction permit is pending. A coordinate on the original FAA Crane Permit application submitted on 12/3/19 was incorrect. The coordinate was corrected, and site drawings were uploaded on 4/29/20. The FAA Crane Permit final determination, with the correct coordinates, was approved on 3/16/20.   2. Staff recommends the Board discuss whether they consider additional pedestrian connectivity needed.  As the Staff Comments suggest, the design team provided the following response: The driveway to the site is directly across from the City's sidewalk network but there is no stop sign, and so for safety reasons, there is no crosswalk at the project entrance. The site does however promote pedestrian access by means of the public transportation bus stop that is located at the driveway entrance on Airport Drive. There are no worn paths or other evidence suggesting there is a high pedestrian usage or need for additional pedestrian accessibility measures. The site has been designed to maintain sufficient parking to accommodate all employees as well as those visiting the facility.   3.    Staff recommends the Board ask the applicant to demonstrate that the airport and FAA have approved  the  proposed  dumpster  location,  and  if  not,  discuss  with  the  applicant  the  possibility  of  relocating  the  dumpster farther from the security fence to allow this standard to be more fully met.  We are not proposing to change the location of the existing dumpsters. We are only proposing to formalize the dumpster area with a black vinyl chain link fence enclosure. We are awaiting the airport’s formal response to their review of the dumpster location.   4.   Staff notes much of the proposed grasses and perennials will be screened from view by the existing and  proposed trees along Airport Drive, and are located in an area neither accessible by or visible to users of the  site. Staff recommends the Board discuss whether the proposed $9,902 in perennials (including grasses) meet  the purpose of the landscaping standards more than the approved overall landscaping plan. If it does not, then  Staff recommends the Board require the applicant to provide landscaping pursuant to the approved overall  landscaping plan. Preliminary/Final Plat Staff Comment Response Memo for #SD-20-20 July 1, 2020 Page 2 of 2  Wagner Hodgson is the Landscape Architect for both this project and the Burlington Airport Master Plan. This allowed for a more coordinated design of the site relative to the property as a whole. They have provided the attached Landscape Narrative to describe the design. 5. Staff has been unable to locate the proposed snow storage area(s) on the plan. Staff recommends the  Board ask the applicant to identify snow storage area(s).  Sheet C1.01 has been revised to show the snow stockpile areas along the west edges of the parking lot and at the southwest corner of the lot, south of the ADA parking spaces. 6. Staff  recommends  the  Board  require  the  applicant  to  comply  with  comments  2  and  7  of  the  South  Burlington Water Department as conditions of approval.  Sheet C1.01 has been revised to specify the 8"x8" tee and valve assembly instead of a tapping sleeve and valve. C5.01 has been revised to clarify that the hydrant thrust block is to be precast concrete and all other fittings are to conform to CWD specifications. 7. The applicant has not demonstrated receipt of a preliminary water supply allocation. Staff recommends  the Board require such demonstration prior to closing the hearing. 8. Similarly, the applicant notes that the project has received a State wastewater system and potable water  supply permit, but has not demonstrated receipt of preliminary wastewater allocation. Staff recommends the  Board require such demonstration prior to closing the hearing. 9. Staff further recommends the Board require the applicant to obtain final water and waster allocation  prior  to issuance of a zoning permit.   A document from the State permit files was recently submitted to Staff which shows the permitted design flows from the original hangar project. The project was originally permitted for 420 gpd of both water and wastewater flows. In order to obtain that permit, the City would have provided an allocation for those design flows. Our project is proposing to operate within the 420 gpd water and sewer allocation previously provided. Therefore, we did not request additional allocation for this project. The Wastewater System and Potable Water Supply Permit that was issued for this project (WW-4-2133-1) was also recently provided to Staff. It is our opinion that no additional allocation is required for the design water and wastewater flows for this project. 10. Long‐term bicycle parking is required for buildings altering more than 50% of the structure, therefore two  long term bicycle parking spaces and one clothes locker are required.  Based on the provided first floor plan,  long term bicycle parking requirements do not appear to be met. Staff recommends the Board require the  applicant to provide long‐term bicycle storage and locker meeting the requirements of 13.14. In lieu of meeting  these requirements within the building, Staff considers the applicant may propose long term bicycle storage for  this region of the airport PUD, meaning long term bicycle storage would be shared between adjoining buildings.  The First Floor Plan, Sheet A1.01 has been revised to show the dedicated space for new long-term bike storage inside the reception area at the main building entrance 11. Staff notes the applicant must remove all signs from the plans, including callouts of sign locations. The  Board may not approve signs or sign locations as part of the current application, and Staff recommends the  Board include a condition to this effect.  The Building Elevations, Sheet A2.01, has been modified to remove any building sign references. 16 spaces7 spaces6 spaces7 spaces7 spaces331.73 x x 3 3 1 . 7 5 330.9 xx 331.65329.4 x x 33 0 . 3 5x 330.80x 331.00x 330.80x 331.30x 331.10 x 33 0 . 6 0 x 330.9 5 x 330.25x 330.95331.10 xx 32 9 . 7 0 x 33 0 . 5 0331.20 xNew CB 1Rim 329.40Inv Out 325.9New STMH 25' diameterRim 330.0Inv. in 324.90 (15"N,S)Inv Out 324.70 (12")Install concrete weir between 15" N&S inletsand 12" outlet pipe (E)Top concrete weir 326.512"x6" Roof gutter connectionInv. 326.10 (12")Roof gutter connectionInv. 327.10 (8")12"x8"eccentricreducerNew STMH 3Rim 330.0Inv. in 324.90 (12"N)Inv Out 324.90 (12"E)New CB 2Rim 330.95Inv. in 325.45Inv Out 325.45 (12")12"x6" Roof gutter connectionInv. 325.65 (12")12"x8" eccentric reducerRoof gutter connectionInv. 326.65 (8")12"12"15"15"331.73 x331.25 x331.05x330.90x331.25x330.50xNew STMH 4Rim 331.00Inv. in 325.40 (12"E)Inv. out 325.10 (15"N)Inv Out 325.30 (12" W)PROPOSED BUILDINGADDITIONFinish Floor Elevation = 331.75'New BikeRacksx 331.57x 331.07New Oil WaterSeparatorRim 330.5Inv. in 326.25Inv out 326.00New 6"SanitaryInv = 326.95'New 4" Oil/WaterSeparatorconnectionInv. = 327.25'New 6" SDR PVCs = 0.006330.50 x330.30 x330.30 xNewTransformerNew BackupGeneratorNew chain-linkfence330.20 xx 330.3330.7 xx 331 .65x 331.75x 331.2x 331.4x 331.3New SMH-A (Doghouse)Rim 330.8'Assumed Invert =325.4'(Verify with preconstructionexcavation)Assumed CLinvert ±322.0'New HydrantUnderground stormwater chambersBottom Chamber 325.0Bottom Stone 324.5See details.5'x5' concretepads at buildingdoors, typical.New Concrete Walk33033 0 See Landscaping PlansRestorepavement tolawnNewconcretecurbNew painted parkingspacesRe-painted existingpavement markingsNew pavementmarkingsx 33 0 . 6 0Roof gutter connectionInv. 325.50 (8")Roof gutter connectionInv. 326.35 (8")New 8"x8" teeand valveNew SMH BRim 330.15Inv in. 325.80Inv. out 325.70New STMH 1Rim 331.20Inv. in 325.30 (12" NE)Inv. in 325.30 (8"SE)Inv Out 325.20 (15")New undergroundstormwater chambersBottom Chamber 325.0Bottom Stone 324.5See details.New Level 1 EVcharging stationScreened TrashEnclosurex 330.50 x 330.6 x 330.6x 330.4x 330.30 x 3 3 0 . 1 2 331.05xAirport Industrial Zoning DistrictCommercial 1 Airport Zoning Districtx 330.8x 330.8330.30x330VAN New flush concretecurbx 330.7330.90x331331331331 331.65 xSawcut limits ofpavementNew condenserunits3313 3 1 New condenserunitsNew Multi-useConcreteNew permeablepavers. SeeLandscape PlansNew Level 2 EVcharging stationSnow Stockpile AreaSnow Stockpile Area164 Main Street, Suite 201Colchester, Vermont 05446P: (802) 878-0375www.krebsandlansing.comN525 Hercules DriveSuite TwoColchester, VT 05446802.655.5020802.622.6567wiemannlamphere.comS&ALE:DATE:DRA:N %<:&+E&.ED %<:PR2-E&T N2:S+EETTITLE:S+EETNUM%ER:PRINTED:PLAN N2RT+FILENAME: 1" = 20'HANGAR ADDITIONDMR 19345SITE PLANC.0ISSUED - 6/29/2020V(5021TS28TH %85/,1*T21N2DATE:RE9ISI2N:APPROXIMATE PROPERTY LINESEXISTING GRADE CONTOURLINES (5 FOOT INTERVALS)EXISTING GRADE CONTOURLINES (1 FOOT INTERVALS)LEGENDEXISTING GAS LINE/VALVEEXISTING SEWERLINE/MANHOLEEXISTING STORMLINE/MANHOLE/BASINEXISTING OVERHEADELECTRIC LINE/POWER POLEEXISTINGUNDERGROUND POWEREXISTING WATERLINE/HYDRANT/VALVE/SHUTOFFSURVEY CONTROL POINTEXISTING SIGNEXISTING CHAIN LINK FENCEPROPOSED GRADE CONTOURLINES (5 FOOT INTERVALS)PROPOSED GRADE CONTOURLINES (1 FOOT INTERVALS)PROPOSED GAS LINE/VALVEPROPOSED SEWERLINE/MANHOLEPROPOSED STORMLINE/MANHOLE/BASINPROPOSED OVERHEADELECTRIC LINE/POWER POLEPROPOSEDUNDERGROUND POWERPROPOSED WATERLINE/HYDRANT/VALVE/SHUTOFFPRECONSTRUCTION EXCAVATIONNEW LIGHT POLE AND BASEFINISH GRADE FLOW DIRECTIONFINISH GRADE SPOT ELEVATIONx363.9 Airport Drive Airport RoadNEW ASPHALT AND SUBBASENEW CONCRETE WALKRESTORE IMPERVIOUS TO VEGETATIONPAVEMENT REPAIR - REMOVE EXISTING, REGRADEAND REPAVE (3" MIN.)PERMIT RE9IE: 2NL<New Vermont Gas Service Notes- Refer to Vermont Gas Systems details and specifications for excavation,installation, and backfill of new buried natural gas service line.- Prior to beginning excavation contact Matt Anderson at 318-0260 orMAnderson@vermontgas.com- Typical bury depth for new buried natural gas service line is 2 ft.- Natural gas service line shall maintain 1 ft vertical separation at allcrossings with other utilities. Contact Vermont Gas Systems foralternative installation options if new gas service cannot cross over topof other utilities and maintain the required 1 ft separation.- See Note #20 on Sheet C1.00 for additional installation requirementsCRUSHED STONE 164 Main Street, Suite 201Colchester, Vermont 05446P: (802) 878-0375www.krebsandlansing.comN525 Hercules DriveSuite TwoColchester, VT 05446802.655.5020802.622.6567wiemannlamphere.comS&ALE:DATE:DRAWN %Y:&+E&.ED %Y:PRO-E&T NO:S+EETTITLE:S+EETNUM%ER:PRINTED:PLAN NORT+FILENAME:N.T.S.HANGAR ADDITIONDMR 19345&IVIL DETAILSC5.0ISSUED - 6/29/20V(5021TS28TH %85/,1*T21NO. DATE: REVISION:PERMIT REVIEW ONLYNOT TO SCALE TYPICAL TRENCH DETAIL CHAMPLAIN WATER DISTRICTSOUTH BURLINGTON, VT 05403403 QUEEN CITY PARK ROADDRAWING NO.:DATE:TYPICAL TRENCH DETAILSpecifications DetailCHAMPLAIN WATER DISTRICTA-1A-1 Typical Trench.dwgApril 2019CHAMPLAIN WATER DISTRICTSOUTH BURLINGTON, VT 05403403 QUEEN CITY PARK ROADDRAWING NO.:DATE:TAPPING SLEEVE & VALVEDETAILSpecifications DetailCHAMPLAIN WATER DISTRICTA-5A-5 Tapping Sleeve andValve.dwgJUNE 2019 HYDRANT ASSEMBLY NOT TO SCALECHAMPLAIN WATER DISTRICTSOUTH BURLINGTON, VT 05403403 QUEEN CITY PARK ROADDRAWING NO.:DATE:HYDRANT ASSEMBLYSpecifications DetailCHAMPLAIN WATER DISTRICTA-16A-16 Hydrant Assembly.dwgJUNE 2019403 QUEEN CITY PARK ROADSOUTH BURLINGTON, VT 05403CHAMPLAIN WATER DISTRICTMinimum Area In Square Feet, Of Bearing SurfaceRequired For Concrete Thrust BlocksNOTE:THRUST BLOCKS ON PIPE LARGER THAN 16" DIA. SHALL BE DESIGNED BY A PROFESSIONAL ENGINEERPIPE 13000PSI CONCRETETHRUST BLOCK3000PSI CONCRETETHRUST BLOCK3000PSI CONCRETETHRUST BLOCKINSTALL POLYETHELENE WRAPTO PREVENT CONCRETEFROM BONDING TO PLUG ANDHARDWARE THUS FACILITATINGFUTURE REMOVALTEEBENDTEE WITH PLUGNOTES:1. CONCRETE NOT TO OVERLAP ANY JOINT.2. CONCRETE TO BE PLACED SO AS NOT TO INTERFERE WITH REMOVING OR INSTALLING ANY OF THE JOINTING HARDWARE.3. ALL MECHANICAL JOINT FITTINGS TO HAVE RETAINER GLANDS.403 QUEEN CITY PARK ROADSOUTH BURLINGTON, VT 05403CHAMPLAIN WATER DISTRICTNOT TO SCALEBEARING AREAPER SPECIFICATIONSBEARING AREAPER SPECIFICATIONSBEARING AREAPER SPECIFICATIONS4. CONCRETE THRUST BLOCKS SHALL BE POURED TO PROPER DIMENSIONS USING SIDE FORMS.θUNDISTURBED SOILD"SECTIONNOTES:1) BEARING SURFACE SHOULD, WHERE POSSIBLE BE PLACED AGAINST UNDISTURBED SOIL. WHERE IT IS NOT POSSIBLE, THE CRUSHED GRAVEL BETWEEN THE BEARING SURFACE AND UNDISTURBED SOIL MUST BE COMPACTED TO AT LEAST 90% STANDARD PROCTOR DENSITY.2) BLOCK HEIGHT SHOULD BE CHOSEN SUCH THAT THE CALCULATED BLOCK WIDTH VARIES BETWEEN ONE AND TWO TIMES THE HEIGHT.NOT TO SCALEBEARING AREA PERSPECIFICATIONSDDMIN 24" FOR 12" PIPE OR LARGERMIN 18" FOR 10" OR SMALLERCHAMPLAIN WATER DISTRICTSOUTH BURLINGTON, VT 05403403 QUEEN CITY PARK ROADDRAWING NO.:DATE:BEARING BLOCKSpecifications DetailCHAMPLAIN WATER DISTRICTA-27A-27 Bearing Block.dwgApril 2019 UP 1 1 2 2 3 3 4 4 5 5 6 6 A A B B C C F F K K P P S S V V X X 2 A2.01 4 A2.01 1 A2.01 Y Y 7 7 8 8 9 9 10 10 11 11 VESTIBULE 101 RECEPTION 102 MAINT. MANAGERS 114 GSE 130 PARTS 120 SHIPPING AND RECEIVING 117 NiCAD 134 TANK STOR 118 BACK SHOP 133 TOOL STORAGE 151 HELICOPTER HANGAR 137 HAZMAT 119 LEAD ACID 135 EXISTING HANGAR 140 GUEST OFFICE 2 106 GUEST OFFICE 1 105 CONFERENCE ROOM 108 CUSTOMER CORRIDOR 103 LINEAR IN-SLAB TRENCH DRAIN SLOPE SLAB TO DRAIN, TYPICAL TECH LIBRARY 121 A'A' OFFICE 146 W. TLT 148 M. TLT 147 JAN. 150 STO. 149 OFFICE 145 MECH 143 ELEC 141 DIR. OF MAINT. 111 CHIEF INSP. 112 MECHANICAL 122 AVIONICS 115 FILES 113 I.T. 110 F.D.12" DEEP SERVICE PITSERVICE SINK w/ EYE WASH INFIL DEMO'D DOOR OPENING 1 A3.01 2 A3.01 3 A3.01 GUEST TLT 104 GUEST TLT 107 INVENTORY 131 SERVICE SINK w/ EYE WASH CORRIDOR 109 NEW HANGAR 116 CORR. 144 EXSTGNEW EXSTGNEW5'-0"24'-0"25'-0"25'-0"25'-0"17'-0"8'-0"25'-0"25'-0"25'-0"25'-0"19'-0" 100'-0"100'-0"25'-0"13'-6"18'-0"20'-0"23'-0"20'-0"18'-0"13'-6"25'-0"19'-0"126'-0"44'-0"12" DEEP SERVICE PIT5'-0"14'-0"GSE OFFICE 132 WELD POWER AIR DROPHOSE BIBAIR DROPweld powerAIR DROP104107105 106 108 108.1 103110113111 112 109 114115102 130131 132 130.2130.3 130.4 130.5 133134135137.1137.2 137.3137.4 117.1 119 117.2 117.3120.2 117120120.1 1211221515 A3.01 4 A3.01 BRACED BAY FOAM HOSE FOAM HOSE SECURITY DOOR SECURITY DOOR SECURITY DOOR SECURITY DOOR SECURITY DOOR SECURITY DOOR SECURITY DOOR F.D. A1.02 1 A1.02 2 A1.02 3 A1.02 4 A1.03 1 A1.03 2 BRACED BAYBRACED BAY 6.2 6.2 6'-0" SECURITY DOOR 130.1SECURITY DOOR 130.6124.1 FOR SECOND FLOOR PLAN SEE 3/A-1.03 SECURITY DOOR114.1 115.1 123CORR 123 STAIR 124 TLT 126 TLT 127 BREAK ROOM 128 JAN 125 127124 128SECURITY DOOR 137SECURITY DOOR ELEC 142 126 125 8FT HIGH, FLOOR MOUNTED CHAIN- LINK WALL PANELS 5'-0"5'-0"5'-0"4" WIDE YELLOW STRIPING 5'-0" FROM FACE OF WALL AT N,S,W SIDES OF HANGAR A4.204 1 2 3 ELEC PNL ELEC PNL ELEC PNL ELEC PNL ELEC PNL ELEC PNL ELEC PNLELEC PNL TRANS TRANSTRANSTRANSATS DSCNTPRE-CAST UTILITY TRENCH (SEE STRUC DWGS) PRE-CAST UTILITY TRENCH (SEE STRUC DWGS)480 ELAIRWATER480 EL AIR WATER 480 EL AIR WATER 480 ELAIRWATER6 A3.01 PRE-CAST UTILITY TRENCH (SEE STRUC DWGS)480 ELAIRWATERPRE-CAST UTILITY TRENCH (SEE STRUC DWGS) SECURITY DOOR SECURITY DOOR SECURITY DOOR 128.1 egress only, no re−entry101COFFEE BAR 480 ELtel/data/ tv@ 60" tel/data/ tv@ 60" tel/data/ tv@ 60"480 ELAIRWATERair drop BIKE STORAGE BIKE STORAGE101.1 N 525 Hercules Drive Suite Two Colchester, VT 05446 802.655.5020 802.622.6567 wiemannlamphere.com SCALE: DATE: DRAWN BY:CHECKED BY: PROJECT NO: SHEET TITLE: SHEET NUMBER:PRINTED:PLAN NORTH FILENAME:1/8" = 1'-0"6/29/2020 1:45:27 PMC:\Users\Klabas\Documents\2019084 NCC HA_R20_CD_ARCH_KLabas.rvtHANGAR ADDITIONJPLDPR 2019084 FIRST FLOOR PLAN A1.01 ISSUED 6/29/2020VERMONTSOUTH BURLINGTONNOT FOR CONSTRUCTION A1.01 1/8" = 1'-0" 1 FIRST FLOOR PLAN NO.DATE:REVISION: LEVEL 2 129' -4" FIRST FLOOR 100' -0" 1 2 3 4 5 6 7 8 9 10 111 A3.01 2 A3.016.2 117.3 117.2 SF-2 INSULATED OVERHEAD SECTIONAL DOOR (TYP) MEMBRANE ROOF ASSEMBLY (SEE A-1.05 ROOF PLAN) ACM COPING STEEL FRAMED CANOPY SF-3 3" VERTICAL INSULATED METAL PANELS 3" HORIZONTAL INSULATED METAL PANELS 101 FIRST FLOOR 100' -0" ABCFKPSVXY 1" / 1'-0" 1" / 1'-0"1" / 1'-0" 1" / 1'-0" 3" VERTICAL INSULATED METAL PANELS PRE-FINISHED METAL FASCIA BY PEMB SUPPLIER A' SECOND FLOOR 111' -6" 3 A3.01 5 A3.01 DECK-MOUNT SKYLIGHT w/ INSULATED CURB (SEE A-1.05 ROOF PLAN) 124.1 SF-2 3" HORIZONTAL INSULATED METAL PANELS INSULATED HM DOOR w/ THERMALLY BROKEN HM FRAME (TYP.) EXHAUST LOUVER (SEE MECH DWGS) RELOCATED WINDOWS (TYP OF 4) CORD w/ DEMO PLAN EXEXEXEX 1 1 1 1 1 1SF-1SF-2 SF-1 SF-1 SF-1 ACM COPING 128.1 LEVEL 2 129' -4" FIRST FLOOR 100' -0" A B C F K P S V X Y 1" / 1'-0" 1" / 1'-0"1" / 1'-0" 1" / 1'-0" A'3 A3.01 137.4INSULATED OVERHEAD SECTIONAL DOOR (TYP) 3" VERTICAL INSULATED METAL PANELS PRE-FINISHED MTL FASCIA BY PEMB SUPPLIER LEVEL 2 129' -4" FIRST FLOOR 100' -0" 12345678910111 A3.01 2 A3.01 4 A3.01 6.2 130.2 130.3 130.4 130.5 130.6 137.1 137.2 137.3 INSULATED OVERHEAD SECTIONAL DOOR (TYP) MEMBRANE ROOF ASSEMBLY (SEE A-1.05 ROOF PLAN) ACM COPING 3" VERTICAL INSULATED METAL PANELS 3" HORIZONTAL INSULATED METAL PANELS MEMBRANE ROOF ASSEMBLY (SEE A-1.05 ROOF PLAN) 525 Hercules Drive Suite Two Colchester, VT 05446 802.655.5020 802.622.6567 wiemannlamphere.com SCALE: DATE: DRAWN BY:CHECKED BY: PROJECT NO: SHEET TITLE: SHEET NUMBER:PRINTED:FILENAME:1/8" = 1'-0"6/29/2020 1:05:54 PMC:\Users\Klabas\Documents\2019084 NCC HA_R20_CD_ARCH_KLabas.rvtHANGAR ADDITIONDPRJPL 2019084 BUILDING ELEVATIONS A2.01 ISSUED 6/29/2020VERMONTSOUTH BURLINGTONNOT FOR CONSTRUCTION A2.01 1/8" = 1'-0" 2 ELEVATION -NORTH A2.01 1/8" = 1'-0" 1 ELEVATION -WEST A2.01 1/8" = 1'-0" 3 ELEVATION -EAST A2.01 1/8" = 1'-0" 4 ELEVATION -SOUTH NO.DATE:REVISION: HERITAGE AVIATION LANDSCAPE NARRATIVE Response to Staff Comments For Preliminary and Final Plat Application #SD-20-20 June 30, 2020 The existing streetscape along Airport Drive where it fronts the Heritage Aviation property contains over 25 mature trees, both deciduous and evergreen, but predominantly deciduous. As part of the Burlington Airport Master Plan, a consistent streetscape is envisioned where shade trees would run along the entire length of Airport Drive in a somewhat consistent cadence, creating a unified visual identity to the Airport. Heritage Aviation, in order to fulfill its landscape budget requirements, plans to install 7 shade trees along the streetscape contiguous to their property. This will fill in the areas that are lacking trees at this time. As these begin to take shape and fill those gaps, a natural barrier will be created, obscuring views onto the property. In helping to further this overall vision set up by the Master Plan, these new trees will also help to screen the parking lot and soften the scale of the building from the road. Two of the existing planted parking islands are being maintained in their current condition with very full mature shade trees already filling the space. Two additional islands will be constructed and planted with shade trees, near the front of the building. At the main entrance to the building (north side) an entry plaza has been created and is to be constructed of exposed aggregate concrete. A generously sized planting bed separates and masks the loading area from the entry plaza and contains a tree and shrubs. Another planting bed has been added to the entry terrace along the west wall to add color and interest, while drawing users of the site towards the entry. At the north face of the building runs a concrete walk with a planting bed separating it from the drive aisle. A new generator and transformer are located here and are screened by a series of shrub plantings along with ornamental grasses. Along the west side of the addition a linear planting of ornamental grasses creates a strong vertical accent as it runs the length of the building between the windows. In addition to creating a vertical accent, the grasses will soften the building façade while leading users to the employee plaza should they access it from the front of the building. At the southwest corner of the addition is a permeable concrete paver Employee Terrace which features a planting bed for color and texture as well as a shade tree. This area will contain a number of picnic benches. A generous lawn area adjacent to the employee terrace is nestled into the existing trees and further enhanced and protected by the addition of an informal planting of birch trees. Protected from the road and a distance from the building, this area is intended as an alternative to the terrace for mingling and grabbing a bite to eat. State of Vermont Agency of Natural Resources Department of Environmental Conservation Drinking Water and Groundwater Protection Division WASTEWATER SYSTEM AND POTABLE WATER SUPPLY PERMIT LAWS/REGULATIONS INVOLVED 10 V.S.A. Chapter 64, Potable Water Supply and Wastewater System Permit Wastewater System and Potable Water Supply Rules, Effective April 12, 2019 Regional Offices – Montpelier/Essex Jct./Rutland/Springfield/St. Johnsbury Permittee(s): City of Burlington, Burlington International Airport 1200 Airport Drive #1 South Burlington, VT 05403 Permit Number: WW-4-2133-1 This permit affects the following property/properties in South Burlington, Vermont: Lot Parcel SPAN Acres Book(s)/Page(s)# 1130 Airport Drive 2000- 00000.001 600-188-10911 740.00 Book:11 Page(s):537, Book:78 Page(s):206, Book:78 Page(s):416 This application, consisting of constructing an addition to the hangar facility previously approved by WW- 4-2133 so that the resulting facility is served by two sanitary service lines (one existing and one proposed) without pre-treatment, two sanitary service lines (one existing and one proposed) equipped with oil and water separators, and a proposed water main (with two water service lines) to accommodate aircraft and ground support equipment maintenance programs for up to 25 employees and 19 patrons, located at 1130 Airport Drive, South Burlington, Vermont, is hereby approved under the requirements of the regulations named above subject to the following conditions. Any person aggrieved by this permit may appeal to the Environmental Court within 30 days of the date of issuance of this permit in accordance with 10 V.S.A. Chapter 220 and the Vermont Rules of Environmental Court Proceedings. 1. GENERAL 1.1 The permittee is responsible to record this permit in the South Burlington Land Records within 30 days of issuance of this permit and prior to the conveyance of any lot subject to the jurisdiction of this permit. 1.2 The permittee is responsible to record the design and installation certifications and other documents that are required to be filed under these Rules or under a permit condition in the South Burlington Land Records. 1.3 All conditions set forth in WW-4-2133, dated 06/29/2004, shall remain in effect except as amended or modified herein. 1.4 Each assign or successor in interest shall be shown a copy of the Wastewater System and Potable Water Supply Permit and the stamped plan(s) prior to the conveyance of a lot. 1.5 By acceptance of this permit, the permittee agrees to allow representatives of the State of Vermont access to the property covered by the permit, at reasonable times, for the purpose of ascertaining compliance with the Vermont environmental and health statutes and regulations, and permit conditions. 1.6 This permit does not relieve the landowner from obtaining all other approvals and permits from other State Agencies or Departments, or local officials prior to construction. Wastewater System and Potable Water Supply Permit WW-4-2133-1 Page 2 of 3 2. CONSTRUCTION 2.1 Construction shall be completed as shown on the plans and/or documents prepared by Derick Read P.E., with the stamped plans listed as follows: Title Sheet # Plan Date Revision Site Plan C1.01 02/11/2020 None. Site Plan C1.02 02/11/2020 None. Existing Conditions Plan C2.00 02/11/2020 None. Profile Plan C3.00 02/11/2020 None. Civil Details C5.01 02/11/2020 None. Civil Details C5.02 02/11/2020 None. Civil Details C5.03 02/11/2020 None. 2.2 Construction of wastewater systems or potable water supplies, or buildings or structures (as defined by the Wastewater System and Potable Water Supply Rules), or campgrounds, not depicted on the stamped plans, or identified in this permit, is not allowed without prior approval by the Drinking Water and Groundwater Protection Division. 3. INSPECTIONS 3.1 No permit issued by the Secretary shall be valid for a substantially completed potable water supply and wastewater system until the Secretary receives a signed and dated certification from a qualified Vermont Licensed Designer (or where allowed, the installer) on a Secretary-approved form that states: “I hereby certify that, in the exercise of my reasonable professional judgment, the installation-related information submitted is true and correct and the potable water supply and wastewater system were installed in accordance with the permitted design and all permit conditions, were inspected, were properly tested, and have successfully met those performance tests” or which satisfies the requirements of §1-311 of the referenced rules. 4. DESIGN FLOW 4.1 Lot use and design flows (gpd) shall correspond to the following: Lot Building Building Use / Design Flow Basis Wastewater Water 1130 Airport Drive Existing Addition to an Airplane Hangar to Support Aircraft and Ground Support Equipment Maintenance Programs (including airplane washing) for up to 25 Employees and 19 Patrons 420 420 5. WASTEWATER SYSTEM 5.1 This permit is based, in part, on a determination by the municipality that sufficient capacity exists in the wastewater treatment facility and associated sanitary sewer collection line to accommodate the design flow of this project. This permit does not imply the municipality will grant allocation to the building. 6. POTABLE WATER SUPPLY 6.1 This project is approved for connection to the water supply system owned by the Champlain Water District as depicted on the plan(s) stamped by the Drinking Water and Groundwater Protection Division. 6.2 This permit is based, in part, on a determination by the municipality that sufficient capacity exists in the municipal public water system to accommodate the design flow approved by this permit. This permit does not imply that the municipality will grant allocation for the building. The connection shall be completed in accordance with the conditions of the Public Water System Construction Permit PID# C-3819-20.0 (for WSID #VT0005091), dated 04/02/2020, or any subsequent approvals for this system issued by the Drinking Water and Groundwater Protection Division. Wastewater System and Potable Water Supply Permit WW-4-2133-1 Page 3 of 3 6.3 The landowner shall install and maintain backflow prevention devices that conform to Vermont Department of Public Safety standards and NFPA 13 for any connection of a sprinkler fire suppression system to a public drinking water system. Peter Walke, Commissioner Department of Environmental Conservation By: Dated April 6, 2020 Robert Pelosi, Environmental Analyst V For the Essex Junction Regional Office Drinking Water and Groundwater Protection Division cc: Derick Read P.E. South Burlington Planning Commission Drinking Water and Groundwater Protection Division – Tim Raymond Watershed Management Division Act 250 District Environmental Commission Department of Public Safety, Division of Fire Safety