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HomeMy WebLinkAbout2026-01-05 I06 US Signal Addition_Site Plan AGENDA ITEM: CITY OF WAUKEE, IOWA CITY COUNCIL MEETING COMMUNICATION MEETING DATE: January 5, 2026 AGENDA ITEM: Consideration of approval of resolution approving a site plan for US Signal – Addition (390 NE Alice’s Road) FORMAT: Resolution SYNOPSIS INCLUDING PRO & CON: The applicant is requesting approval of a site plan for a building addition to an existing data center. The property is located north of Hickman Road and west of NE Alice’s Road, containing 5-acres. The property includes an existing data center building and exterior mechanical units. The existing building is approximately 19,453 square feet in area and 22-ft in height at the tallest point. The existing building was built in 2009. The project includes additions to the existing building. A total of 33,522 square feet of building space is being proposed to be added to the existing building. This includes a 2,145 square foot office addition along the east side of the building and a 31,377 square foot warehouse addition along the west side of the building. Both of these spaces are proposed to be single-story and a maximum of 22-feet in height at the tallest point. The project also includes additional parking to accommodate the new space, a trash enclosure at the northwest corner of the site, additional mechanical equipment on site for the data center, a loading dock at the northwest corner of the building, and a 6-foot-tall ornamental fence surrounding the entire property with a gate at the entrance. The existing access into the site from NE Alice’s Road will remain. The project includes an expansion of the parking lot in order to provide additional parking. The site currently includes a total of 30 parking spaces. The proposed site plan will add a total of 35 parking spaces, for a total of 65 parking spaces for the overall site, including 2 accessible spaces. This will meet the required amount of parking spaces. The new addition will be serviced with all public utilities. Stormwater detention is provided both offsite and within the southeast corner of the site. A minimum of 25% of the project area is required to be open space. The total amount of open space proposed is 40%. The landscape plan meets the requirements of the Landscape and Open Space Ordinance. The elevations of the office portion of the building addition are proposed to be constructed of brick veneer to match the existing building, aluminum paneling, and storefront glazing. The elevations of the warehouse portion of the building addition are proposed to be constructed of precast paneling and I6 brick to match the existing building. The trash enclosure will be constructed of the same brick to match the building. FISCAL IMPACT INCLUDING COST/BENEFIT ANALYSIS: COMMISSION/BOARD/COMMITTEE COMMENT: The Planning and Zoning Commission reviewed the site plan request at their meeting on November 25, 2025, and recommended approval: Approval of a Site Plan for US Signal - Addition (390 NE Alice’s Road) Melissa DeBoer, Planning Coordinator, introduced the request for approval of a site plan for a building addition, as requested by ONENECK DATA CENTER HOLDINGS LLC, represented by Jordan Cogley of Etzel. The property is generally located north of Hickman Road and west of NE Alice’s Road, containing approximately 5 acres. This location includes an existing data center building and exterior mechanical units. The existing building is approximately 19,453 square feet in area and 22-ft in height at the tallest point. The existing building was built in 2009. The project includes additions to the existing building. A total of 33,522 square feet of building space is being proposed to be added to the existing building. This includes a 2,145 square foot office addition along the east side of the building and a 31,377 square foot warehouse addition along the west side of the building. Both of these spaces are proposed to be single-story and a maximum of 22-feet in height at the tallest point. The project also includes additional parking to accommodate the new space, a trash enclosure at the northwest corner of the site, additional mechanical equipment on site for the data center, a loading dock at the northwest corner of the building, and a 6-foot-tall ornamental fence surrounding the entire property with a gate at the entrance. The existing access into the site from NE Alice’s Road will remain. The project includes an expansion of the parking lot in order to provide additional parking. The site currently includes a total of 30 parking spaces. The proposed site plan will add a total of 35 parking spaces, for a total of 65 parking spaces for the overall site, including 2 accessible spaces. This will meet the required amount of parking spaces. No new public sidewalks or trails are proposed with this project. Private sidewalks will be provided internal to the site in order to provide pedestrian access from the parking lot to the building. The new addition will be serviced with all public utilities. Stormwater detention is provided both offsite and within the southeast corner of the site. A minimum of 25% of the project area is required to be open space. The total amount of open space proposed is 40%. The landscape plan meets the requirements of the Landscape and Open Space Ordinance. The elevations of the office portion of the building addition are proposed to be constructed of brick veneer to match the existing building, aluminum paneling, and storefront glazing. The elevations of the warehouse portion of the building addition are proposed to be constructed of precast paneling and brick to match the existing building. The trash enclosure will be constructed of the same brick to match the building. The site plan is in general conformance with the Site Plan Ordinance and Comprehensive Plan. Staff recommends approval of the site plan subject to remaining staff comments. Discussion as follows: • Staff verified no correspondence has been received • General discussion of potential equipment noise in the area • Discussion of gate system and parking Motion by Commissioner Broderick for Approval of a Site Plan for US Signal - Addition (390 NE Alice’s Road), seconded by Commissioner Lohse. Ayes: Broderick, Streit, Bankole, Beenken, Lohse, Tuel, and Bannister. Nays: None. Motion carried. RECOMMENDATION: Approve the resolution subject to remaining staff comments. ATTACHMENTS: I. Proposed Resolution II. Staff Report III. Site Plan IV. Building Elevations PREPARED BY: Melissa DeBoer, Planning Coordinator REVIEWED BY: PUBLIC NOTICE INFORMATION – NAME OF PUBLICATION: DATE OF PUBLICATION: THE CITY OF WAUKEE, IOWA RESOLUTION 2026- APPROVING THE SITE PLAN FOR US SIGNAL – ADDITION (390 NE ALICE’S ROAD) IN THE NAME AND BY THE AUTHORITY OF THE CITY OF WAUKEE, IOWA WHEREAS, the City of Waukee, Dallas County, State of Iowa, is a duly organized Municipal Organization; AND, WHEREAS, the City of Waukee Planning and Zoning Commission recommended approval of the Site Plan for US Signal – Addition, subject to remaining staff comments on November 25, 2025; AND, WHEREAS, the Site Plan for US Signal – Addition is in general conformance with §160 – Site and Building Development Standards Ordinance of the Waukee Municipal Code; AND, WHEREAS, the Site Plan for US Signal – Addition is in general conformance with §161 – Landscaping and Open Space Ordinance of the Waukee Municipal Code; AND, NOW THEREFORE BE IT RESOLVED by the City Council of the City of Waukee, Iowa on this 5th day of January, 2026, that the Site Plan for US Signal – Addition is approved. ____________________________ Courtney Clarke, Mayor Attest: ___________________________________ Rebecca D. Schuett, City Clerk RESULTS OF VOTE: AYE NAY ABSENT ABSTAIN Kala Anderson Chris Crone Rob Grove Lori Lyon Anna Bergman Pierce PLANNING AND ZONING COMMISSION STAFF REPORT PROJECT: US Signal - Addition – Site Plan PREPARED BY: Melissa DeBoer, AICP – Planning Coordinator REPORT DATE: November 21, 2025 MEETING DATE: November 25, 2025 GENERAL INFORMATION Owner/Applicant: ONENECK DATA CENTER HOLDINGS LLC Project Manager: Jordan Cogley, Etzel Request: The applicant is requesting approval of a site plan for a building addition. Location and Size: Property is generally located north of Hickman Road and west of NE Alice’s Road, containing approximately 5 acres. Property Address: 390 NE Alice’s Road AREA MAP ABOVE: Aerial of subject property (outlined in RED). November 21, 2025 2 of 3 LAND USES AND ZONING Location Existing Land Use Comprehensive Plan Current Zoning Property in Question Data Center Business Park C-4 (Office Park Commercial District) North MidAmerican Energy Substation Business Park C-1 (Community and Highway Service Commercial District) South Regional Detention Basin Business Park C-4 (Office Park Commercial District) East Single-Family Residential / Rural Residential (City of Clive) N/A (City of Clive) N/A (City of Clive) West Townhome Residential Medium Density Residential R-4 (Row Dwelling and Townhome Dwelling District) HISTORY The property includes an existing data center building and exterior mechanical units. The existing building is approximately 19,453 square feet in area and 22-ft in height at the tallest point. The existing building was built in 2009. PROJECT DESCRIPTION The project includes additions to the existing building. A total of 33,522 square feet of building space is being proposed to be added to the existing building. This includes a 2,145 square foot office addition along the east side of the building and a 31,377 square foot warehouse addition along the west side of the building. Both of these spaces are proposed to be single-story and a maximum of 22-feet in height at the tallest point. The project also includes additional parking to accommodate the new space, a trash enclosure at the northwest corner of the site, additional mechanical equipment on site for the data center, a loading dock at the northwest corner of the building, and a 6-foot-tall ornamental fence surrounding the entire property with a gate at the entrance. ACCESS AND PARKING The existing access into the site from NE Alice’s Road will remain. The project includes an expansion of the parking lot in order to provide additional parking. The site currently includes a total of 30 parking spaces. The proposed site plan will add a total of 35 parking spaces, for a total of 65 parking spaces for the overall site, including 2 accessible spaces. This will meet the required amount of parking spaces. SIDEWALKS/TRAILS No new public sidewalks or trails are proposed with this project. Private sidewalks will be provided internal to the site in order to provide pedestrian access from the parking lot to the building. UTILITIES The new addition will be serviced with all public utilities. Stormwater detention is provided both offsite and within the southeast corner of the site. November 21, 2025 3 of 3 LANDSCAPING & OPEN SPACE A minimum of 25% of the project area is required to be open space. The total amount of open space proposed is 40%. The landscape plan meets the requirements of the Landscape and Open Space Ordinance. ELEVATIONS The elevations of the office portion of the building addition are proposed to be constructed of brick veneer to match the existing building, aluminum paneling, and storefront glazing. The elevations of the warehouse portion of the building addition are proposed to be constructed of precast paneling and brick to match the existing building. The trash enclosure will be constructed of the same brick to match the building. STAFF RECOMMENDATION The site plan is in general conformance with the Site Plan Ordinance and Comprehensive Plan. Staff recommends approval of the site plan subject to remaining staff comments. PROPOSED CONCRETE SIDEWALK 4" THICKNESS PROPOSED LANDSCAPING PROPOSED FENCE PROPOSED CONCRETE PAVEMENT 7" THICKNESS PROPOSED GRAVEL PROPOSED STORM INLET SITE PLAN LEGEND MB B S ST TH T WV DYH IH EH PROPERTY LINE EASEMENT BUILDING SETBACK EXISTING ROAD CENTERLINE EXISTING SIGN- SINGLE POST EXISTING FLOOD LIGHT EXISTING LIGHT WITH CONCRETE BASE EXISTING UTILITY POLE EXISTING MAILBOX EXISTING BOLLARD EXISTING MONUMENT FOUND (FIRST TYPE) EXISTING BENCHMARK EXISTING SANITARY SEWER MANHOLE EXISTING STORM SEWER MANHOLE EXISTING DRAINAGE INTAKE EXISTING SINGLE CURB INTAKE EXISTING BEEHIVE INTAKE (SIZE VARIES) EXISTING TELECOM MANHOLE EXISTING TELECOM HANDHOLE EXISTING CONIFEROUS TREE (SIZE VARIES) EXISTING DECIDUOUS TREE (SIZE VARIES) EXISTING SHRUB (SIZE VARIES) EXISTING WATER VALVE EXISTING FIRE HYDRANT EXISTING IRRIGATION HANDHOLE EXISTING ELECTRIC HANDHOLE EXISTING FENCE PROPOSED DRAINAGE MANHOLE PROPOSED SIGN PROPOSED LIGHT POLE PROPOSED FDC HWY 6 NE A L I C E ' S R D NE W E S T G A T E D R NE HORIZON DR PKWY BOSTO N NE NE A R C H E R A V E O W R O W R O W RN89°51'39"E 600.53' S0 0 ° 2 3 ' 0 8 " W 3 6 8 . 0 2 ' S89°51'39"W 509.21' N50 ° 0 7 ' 1 6 " W 1 1 8 . 4 6 ' N0 0 ° 2 4 ' 2 3 " E 2 9 1 . 8 4 ' EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX. O E EX. O E EX. O E EX . O E EX . O E EX . O E EX. OE EX. OE EX. BE EX. B E EX. BE EX. BE EX. BE EX . B E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . B E EX. B E EX. BE EX. BE EX. BE EX. BE EX. BE EX. BE EX. BE EX. BE PROP. BUILDING DATA CENTER 31,377 SF (PROPOSED USE: WAREHOUSE) WV DYH THTHIH IH WV B B B T TH TH TH THTH WV DYH IH IH EH IH MB IH IH IH IH TH TH TH TH TH TH TH T T T T TH TH T NE A L I C E ' S R D R. O . W 1 2 0 ' C O N C R E T E 60 60 S EX. GENERATOR YARD ELECTRIC TRANSFORMER MIDAMERICAN CONCRETE EX. CONCRETE EX. ELECTRIC TRANSFORMER ON CONCRETE PAD EX. MECHANICAL EQUIPMENT ON CONCRETE PAD EX. ROCK LANDSCAPING EX. ROCK LANDSCAPING EX . S I D E W A L K EX. 1 STORY BUILDING MASONRY AND STEEL CONSTRUCTION EXTERIOR BUILDING: 20,093 SF EX. ROCK LANDSCAPING 9.9' PUE BK. 2008 PG. 7678 17.2' TELECOM EASEMENT BK. 702 PG. 23 19.9' UNDERGROUND ELECTRIC EASEMENT BK. 2001 PG. 1723 33.9' OVERHEAD ELECTRIC EASEMENT BK. 1999 PG. 003413 30' SANITARY SEWER EASEMENT BK 2008, PG 11527 10' P.U.E. BK 2008, PG 7678 20' UNDERGROUND ELECTRIC EASEMENT BK 2001, PG 1723 33' OVERHEAD ELECTRIC LINE EASEMENT BK 1999, PG 3413 16.5' TELECOMMUNICATIONS EASEMENT BK 702, PG 23 10' P.U.E. BK2020, PG29981 5' P.U.E. BK2014, PG 10241 60' PRIVATE' STORM EASEMENT BK 2018, PG 17884 30.0' BUILDING SETBACK BEEHIVE INTAKE RIM ELEV: 1017.09' OUTSIDE LIMITS BEEHIVE INTAKE RIM ELEV: 1017.29' OUTSIDE LIMITS BEEHIVE INTAKE RIM ELEV: 1017.09' OUTSIDE LIMITS EX. SANITARY MANHOLE RIM ELEV: 1014.28' 8" TRUSS FL OUT S ELEV: 1005.18' 14 - P R O P O S E D P A R K I N G S P A C E S 9' X 1 9 ' 33. 0 ' 55 . 2 ' 10 9 . 5 ' 22 . 8 ' 20.0' 12 . 0 ' 12 . 0 ' 4 - PROPOSED PARKING SPACES 9' X 19' 3 - PROP. PA R K I N G S P A C E S 9' X 19' 82.4 ' PROP. BUILDING OFFICE 2,145 SF (PROPOSED USE: OFFICE) 119.1' 75.6' 16 1 . 4 ' 79.6' 207.0' 15 1 . 6 ' 43 . 6 ' 12 - PROPOSED PARKING SPACES 9' X 19' FU T U R E 1 5 ' MI D A M E R I C A N EA S E M E N T (P R I V A T E ) 30. 0 ' BU I L D I N G SE T B A C K 30 . 0 ' BU I L D I N G SE T B A C K 40.0' BUILDING SETBACK 30 . 0 ' B U I L D I N G S E T B A C K PROPOSED ADA PARKING SPACE PROPOSED SWING GATE PROPOSED SWING GATE W/ KNOX BOX PROPOSED 6' ORNAMENTAL FENCE (PER ARCH PLANS) PROPOSED 6' ORNAMENTAL FENCE (PER ARCH PLANS) PROPOSED 6' ORNAMENTAL FENCE (PER ARCH PLANS) PROPOSED 6' ORNAMENTAL FENCE (PER ARCH PLANS) PROPOSED 6' ORNAMENTAL FENCE (PER ARCH PLANS) PROPOSED 6' ORNAMENTAL FENCE (PER ARCH PLANS) PROPOSED DUMPSTER ENCLOSURE PROPOSED 6' ORNAMENTAL FENCE PROPOSED RETAINING WALL PROPOSED LOADING DOCK PROPOSED SIDEWALK RAMPPROPOSED CONCRETE PADS FOR TRANSFORMERSPROPOSED CONCRETE PAD FOR GENERATORS PROPOSED CONCRETE PAD FOR CHILLERS PROPOSED EXTERIOR PUMP ROOM EX. CONCRETE EX. S I D E W A L K Pu m p e r F i r e T r u c k R25 . 0 ' R25 . 0 ' 5. 0 ' 5. 0 ' 5.0' 9.0' 3.0 ' 24 . 0 ' PROPOSED ADA SIGN 8 - P R O P O S E D P A R K I N G S P A C E S 9' X 1 9 ' PROP. SIDEWALK EX. 66" RCP FES FL ELEV: 1004.17' EX. 66" RCP FES FL ELEV: 1003.12' EX. CONCRETE PROPOSED FDC (PLACED AGAINST BUILDING PER CITY COMMENTS) 13 2 . 9 ' EX. ENCLOSED MECH ROOM 3.0 ' 32 . 0 ' 27.0' PROPOSED GENERATOR YARD 9 - PROPOSED PARKING SPACES 9' X 19' 15 - PROPOSED PARKING SPACES 9' X 19' FUTURE CURB ALICE'S RD EXPANSION PROPOSED PATIO WITH RETAINING WALL > 4' (TO BE DESIGNED BY STRUCTURAL ENGINEER) PROPOSED PATIO WITH RETAINING WALL > 4' (TO BE DESIGNED BY STRUCTURAL ENGINEER) DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE north 0 60'30' SCALE 1" = 30' SM GENERAL NOTES 1.CONTRACTOR SHALL MAKE ARRANGEMENTS FOR THE PROPER BRACING, SHORING AND OTHER REQUIRED PROTECTION OF ALL ROADWAYS AND EXCAVATIONS BEFORE CONSTRUCTION BEGINS. 2.IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTING CONDITION, INCLUDING BUT NOT LIMITED TO, THE PROPERTY BOUNDARY, THE BENCHMARK, EXISTING BUILDING, PAVEMENT AND GROUND ELEVATIONS AND UTILITY HORIZONTAL AND VERTICAL LOCATIONS BEFORE THE START OF CONSTRUCTION. 3.CONTRACTOR SHALL REPAIR AND REPLANT ANY EXISTING GRASS OR SOIL THAT IS DISTURBED BY CONSTRUCTION ACTIVITY. 4.LOCATIONS OF ALL UTILITY LINES TO BE FIELD VERIFIED WITHIN AREA OF WORK. CONTRACTOR TO NOTIFY OWNER/ENGINEER OF ANY DISCREPANCIES. 5.CONTRACTOR SHALL OBTAIN ALL NECESSARY JURISDICTIONAL PERMITS AND APPROVALS PRIOR TO CONSTRUCTION BEGINNING. 6.THE TOPOGRAPHIC SURVEY WAS PROVIDED BY MCCLURE, JOB NO. 2025001453-000, DATED 06/18/2025. THESE IMPROVEMENT PLANS DO NOT WARRANT THE ACCURACY OF THE PROVIDED SURVEY. 7.BASIS OF BEARINGS ARE BASED ON IOWA REGIONAL COORDINATE SYSTEM (RCS) - ZONE 8. 8.THE GEOTECHNICAL REPORT WAS PROVIDED BY TERRACON, JOB NO. 08245197-01, DATED 08/05/2025. ACTUAL CONDITIONS OF SOILS, PAVEMENTS, ETC. MAY VARY FROM THIS REPORT. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONFIRMING CONDITIONS FOUND IN THE FIELD AND REPORT VARIANCES FROM ASSUMPTIONS IN THE GEOTECHNICAL REPORT TO THE ENGINEER. 9.VERTICAL DATUM ELEVATIONS ARE BASED ON THE NORTH AMERICAN VERTICAL DATUM OF 1988 (NAVD88). 10.ALL WORK SHALL BE IN ACCORDANCE WITH 2025 CITY OF WAUKEE STANDARD SPECIFICATIONS AND 2025 IOWA SUDAS. 11.REMOVE ALL DEBRIS AND MUD SPILLED INTO ROW AT THE END OF EACH WORK DAY AND PRIOR TO A RAIN EVENT. 12.CONSTRUCTION MATERIALS AND EQUIPMENT SHALL NOT BE STORED IN THE RIGHT OF WAY. 13.ALL STAKING, INCLUDING PEDESTRIAN FACILITIES, SHALL BE DONE UNDER THE DIRECTION OF A LICENSED ENGINEER OR SURVEYOR. ADDRESS:390 NE ALICE'S RD, WAUKEE, IA 50263 FOLIO NUMBER:1227403002 OWNER:US SIGNAL ZONING: OFFICE PARK COMMERCIAL DISTRICT (C-4) PROPOSED USE:COMBINATION OF OFFICE & WAREHOUSE FUTURE LAND USE:BUSINESS PARK ADJACENT ZONING:(N): C-1; (NW): R-4; (W); R-4; (E): CITY OF CLIVE RESIDENTIAL; (S): R-3 SITE AREA:217,800 SF (5.00 AC) PROJECT AREA:217,800 SF (5.00 AC) IMPERVIOUS / OPEN SPACE / (OPEN SPACE %) EXISTING: 1.28 AC / 3.72 AC / (74%) PROPOSED: 2.65 AC / 2.35 AC / (47%) REQUIRED OPEN SPACE: 25% BUILDING AREAS + HEIGHTS: HEIGHT MAX ALLOWABLE HEIGHT EX. OFFICE BUILDING (1-STORY) = 3,308 SF*16'40' EX. WAREHOUSE (1-STORY) =16,127 SF*22'40' EX. TOTAL = 19,453* PROP. OFFICE (1-STORY)=2,145 SF 16'40' PROP. WAREHOUSE (1-STORY)=31,377 SF 22' TOTAL =52,957 REQUIRED YARD SETBACKS: LOCATION REQUIRED PROVIDED FRONT YARD (E)40'125.1' SIDE YARD (N) ADJACENT TO 'R' ZONING 30'161.1' SIDE YARD (N) 0'161.4' SIDE YARD (S)30'55.2' SIDE YARD (SW)30'33.0' REAR YARD (W)30'75.6' VEHICLE PARKING: CODE REQUIRED : SPACES REQ'D SPACES REQ'D BUILDING AREA TOTAL # USE (PER SF)(PER EMPLOYEE)(SF)EMPLOYEES OF SPACES REQ'D OFFICE 3 / 1,000 N/A 5,453 SF 17 WAREHOUSE 1 / 1,000 1 / 2 47,504 SF 0*48 TOTAL REQUIRED = 65 EX. PARKING SPACES TO REMAIN = 30 PROP. PARKING SPACES = 35 TOTAL PROVIDED = 65 PROP. PARKING SPACE TYPES: ACCESSIBLE SPACES =2 STANDARD SPACES = 63 TOTAL VEHICLE SPACES = 65 *US SIGNAL WILL PROVIDE THE CITY OF WAUKEE WITH A PROJECTED EMPLOYEE AND STAFFING PLAN. SITE DATA VICINITY MAP- 1" = 2000' LEGAL DESCRIPTION LOT 1, THE CROSSING AT ALICE'S ROAD PLAT 3, AN OFFICIAL PLAT RECORDED IN BOOK 2008, PAGE 11526, AT THE DALLAS COUNTY RECORDER'S OFFICE, CITY OF WAUKEE, DALLAS COUNTY, IOWA AND CONTAINING 5.000 ACRES (217,800 S.F.) MORE OR LESS. OWNER/DEVELOPER/APPLICANT US SIGNAL 201 IONIA AVE SW, GRAND RAPIDS, MI 49503 (866)-274-4625 ETZEL DESIGN AND BUILD PROJECT MANAGER: JORDAN COGLEY 205 WEST WATER STREET SAXONBURG, PA 16056 (724)-524-1280 EXP U.S. SERVICES 27777 FRANKLIN ROAD, SUITE 1510 SOUTHFIELD, MI 48034 (248)-351-8200 RUS-25008152-A0 MMW NSK AS SHOWN CIVIL SITE PLAN C-200 PROJECT SITE ADDRESS 390 NE ALICE'S ROAD, WAUKEE, IOWA 50263 SITE PLAN 3RD REVIEW C IH EH EX. B E EX. B E EX. B E EX. B E EX. 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O . W 1 2 0 ' C O N C R E T E 60 60 3.96' S EX . S S EX . D R EX . D R EX . D R EX . D R EX . D R EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX . C M EX . C M EX . C M EX . C M EX . C M EX. CM EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. C M EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX . C M EX. CM EX . C M EX . C M EX . C M EX. O E EX. O E EX. O E EX . B E EX . B E EX . C M EX . C M EX . C M EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX . C M EX . C M EX . C M EX . C M EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX. C M EX. C M EX. C M EX. C M EX. C M EX. C M EX. CM EX. CM EX. CM EX. CM EX. CM EX. B E EX. B E EX. B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX. BE EX. BE EX. BE EX. BE EX. BE EX . B E EX. BE EX. BE EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX. B E EX. B E EX . B E EX . B E EX . B E EX. B E EX. B E EX. B EEX. BE EX. BE EX. BE EX . B E EX . B E EX . B E EX. BE EX. BE EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX. B E EX. BE EX. BE EX. BE EX. BE EX. B E EX. B E EX. B E EX. B E EX . B E EX . B E EX . B E EX . B E EX . B E EX. BE EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX. W EX. W EX. W EX. W EX. W EX. W EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX . W M EX. W M EX. W M EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX. W M EX. W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX. CM EX. CM EX. CM EX. CM EX . C M EX . C M EX . C M EX . C M EX . C M EX. CM EX. CM EX. CM EX. CM EX . C M EX. CM EX. CM EX. C M EX. C M EX. C M EX. C M EX. C M EX. C M EX. C M EX. C M EX. C M EX . C M EX . C M EX. CM EX. C M EX. CM EX. CM EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX. C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX. D R EX. DREX. DREX. DREX. DR EX. DR EX . D R EX . D R EX . D R EX . D R EX . D R EX. DR EX. DR EX. DR EX. DR EX. DR EX. DR EX. D R EX. D R EX. D R EX. D R EX. D R 100 3 100 4 100 5 100 6 100 7 100 8 100 9 101 0 1010 101 0 1010 1010 100 2 100 4 1006 1008 100 8 1008 1012 1012 101 2 1014 1016 10 1 8 1006 10 0 6 1007 10 0 7 100 8 10 0 8 100 9 1009 1010 10 1 0 1011 10 1 1 1012 10 1 2 10 1 3 10 1 3 10 1 4 10 1 4 10 1 4 101 5 1015 10 1 6 1016 1017 1017 101 7 1017 101 8 1018 PROP. BUILDING FF = 1015.60 (WAREHOUSE) PROP. BUILDING FF = 1015.60 (OFFICE) 10 0 5 100 6 100 7 1008 10 0 9 10101011101210131014 10 1 4 1014 10 1 4 10 1 4 10 1 5 1015 10 1 5 10 1 5 1015 10 1 6 10 1 6 1016 10 1 7 10 1 7 10 1 8 10 1 8 10 1 9 10 1 9 1015 1014 1013 1014 10 0 8 10 0 9 10 1 0 10 1 1 10 1 2 10 1 3 101 4 1015 1013 1014 1015 1016 10 1 7 10 1 7 1017 1017 1017 101 7 1017 10 1 7 10 1 7 10 1 8 10 1 8 10 1 8 101 8 10 1 8 10 1 9 10 1 9 101 9 PROP. DUMPSTER ENCLOSURE EX . S I D E W A L K EX. ROCK LANDSCAPING FU T U R E MI D A M E R I C A N EA S E M E N T (P R I V A T E ) CCI ELECTRIC TRANSFORMER MIDAMERICAN NEXGEN EX. UNKNOWN UTILITY GPR DETECTED EX. SANITARY MANHOLE RIM ELEV: 1014.28' 8" TRUSS FL OUT S ELEV: 1005.18' 9.87' PUE BK. 2008 PG. 7678 17.15' TELECOM EASEMENT BK. 702 PG. 23 19.87' UNDERGROUND ELECTRIC EASEMENT BK. 2001 PG. 1723 32.86' OVERHEAD ELECTRIC EASEMENT BK. 1999 PG. 003413 10' P.U.E. BK 2008, PG 7678 20' UNDERGROUND ELECTRIC EASEMENT BK 2001, PG 1723 33' OVERHEAD ELECTRIC LINE EASEMENT BK 1999, PG 3413 16.5' TELECOMMUNICATIONS EASEMENT BK 702, PG 23 10' P.U.E. 5' P.U.E. EX. 1 STORY BUILDING MASONRY AND STEEL CONSTRUCTION EXTERIOR BUILDING: 20,093 SF BEEHIVE INTAKE RIM ELEV: 1017.09' OUTSIDE LIMITS EX. 66" RCP FES FL ELEV: 1004.17' EX. 66" RCP FES FL ELEV: 1003.12' EX. 6" CPP ROOF DRAIN TOP OF PIPE: 1009.31' BEEHIVE INTAKE RIM ELEV: 1017.29' OUTSIDE LIMITS BEEHIVE INTAKE RIM ELEV: 1017.09' OUTSIDE LIMITS 10 1 5 10 1 5 1015 10 1 5 PROP. UNDERGROUND STORM DETENTION SEE INSET 2/C-300 PROP. CROSSING PROP. 8" WM UNDER PROP. 15" PVC DRAIN MIN CLEARANCE: 1.5' PROP. CROSSING EX. 8" WM UNDER PROP. 6" PVC DRAIN MIN CLEARANCE: 1.5' PROP. CROSSING PROP. 12" STORM OVER PROP. DUCT BANK MIN CLEARANCE: 1.0' PROP. CROSSING EX.DUCT BANK OVER PROP. 24" STORM DRAIN MIN CLEARANCE: 1.0' PROP. CROSSING EX.DUCT BANK OVER PROP. 24" STORM DRAIN MIN CLEARANCE: 1.0' PROPOSED CROSSING PROP. FIBER OPTIC OVER PROP 15" STORM MIN CLEARANCE: 0.5' PROPOSED CROSSING PROP. FIBER OPTIC OVER PROP 15" STORM MIN CLEARANCE: 0.5' 101 4 1014 101 5 1015 1015 10 1 5 10 1 5 STM CO-3 STM CO-4 STM CO-1 STM CO-9 ADS-4 ADS-3 STM CO-5 STM CO-6 ADS-5 ADS-6 ADS-7 STM CO-2 STM CO-7 10 1 5 10 1 5 1015 ADS-8 10 0 2 10 0 3 10 0 4 10 0 5 10 0 6 10 0 7 10 0 8 10 0 9 10 1 0 10 1 1 10 1 2 10 1 3 10 1 4 10 1 5 1010 1011 1012 1013 1014 101 4 1014 101 4 1014 10 1 5 1015 10 1 3 1013 ADS-9 10 1 4 10 1 5 OVERFLOW ELEVATION = 1015.20 OVERFLOW ELEVATION = 1011.50 ADS-10 ADS-11 PROP. CROSSING PROP. 6" STORM OVER PROP. DUCT BANK MIN CLEARANCE: 1.0' PROP. CROSSING PROP. 8" STORM OVER PROP. DUCT BANK MIN CLEARANCE: 1.0' STM CO-10 STM CO-8 STM CO-11 ST-1 ST-2 ST-3 ST-4 ST-6 ST-8 ST-7 ST-9 ST-10 ST-11 PROP. TRENCH DRAIN RIM: 1011.60 INV (W): 1010.83 ADS-1 EX. ROCK LANDSCAPING 45-LF OF 24" RCP @ 0.40% 136-LF OF 24" RCP @ 0.22% 7-LF OF 24" RCP @ 0.0% 34-LF OF 24" RCP @ 0.2% 11-LF OF 24" RCP @ 0.15% 7-LF OF 15" RCP @ 0.15% 4-LF OF 24" RCP @ 0.15% 231-LF OF 24" RCP @ 0.40% 33-LF OF 24" RCP @ 0.40% 68-LF OF 24" RCP @ 0.40% 125-LF OF 15" RCP @ 0.40% 39-LF OF 8" PVC @ 1.7% 40-LF OF 15" PVC @ 0.4% 54-LF OF 15" PVC @ 0.40% 10-LF OF 15" RCP @ 0.40% ST-5 ADS-2 28-LF OF 15" PVC @ 0.40% 60-LF OF 15" PVC @ 0.40% 36-LF OF 12" PVC @ 1.0% 54-LF OF 8" PVC @ 1.0% 38-LF OF 8" PVC @ 1.0% 186-LF OF 24" RCP @ 0.4% 26-LF OF 6" PVC MIN 1.0% 16-LF OF 4" PVC MIN 1.0%62-LF OF 4" PVC MIN 1.0% INV: 1008.7 30-LF OF 15" PVC 1.0% EX. CONCRETE ROOF DRAIN INTAKE EX. CONCRETE ROOF DRAIN INTAKE ST-12 88-LF OF 24" RCP @ 0.2% 72-LF OF 6" PVC @ 2.0% 36-LF OF 8" PVC @ 2.0% 56-LF OF 8" PVC @ 2.0% 37-LF OF 12" PVC @ 1.0% 103-LF OF 12" PVC @ 1.0% SEE MEP PLANS FOR CONTINUATION SEE MEP PLANS FOR CONTINUATION SEE MEP PLANS FOR CONTINUATION 62-LF OF 15" PVC @ 0.40% 36-LF OF 6" PVC @ 1.0% SEE MEP PLANS FOR CONTINUATION 59-LF OF 6" PVC @ 1.0% SEE MEP PLANS FOR CONINTUATIONSEE MEP PLANS FOR CONINTUATIONSEE MEP PLANS FOR CONINTUATIONSEE MEP PLANS FOR CONINTUATIONSEE MEP PLANS FOR CONINTUATION 1014. 4 9 1015 . 5 0 1015.50 1014. 6 0 1015 . 1 6 M E 1015. 1 0 M E 1014. 8 5 M E 1013. 0 0 1013. 0 1 1013. 0 5 1014. 0 1 1018 . 5 3 M E 1019 . 2 7 M E 1019 . 3 7 M E 1013. 5 4 M E 1017 . 0 0 M E 1016. 6 4 M E 1014. 9 7 M E 1014. 2 9 M E 1013. 9 9 1014 . 0 5 1013.86 1013 . 9 2 1014. 2 8 1013. 4 0 1013.01 1013 . 4 0 1012. 6 8 1012 . 9 9 M E 1013 . 3 7 1013. 4 6 1013. 5 2 1013. 3 7 1013 . 3 8 101 3 . 5 2 1013 . 5 9 1013. 4 2 101 3 . 8 8 1013 . 5 3 1013. 5 3 1012 . 4 6 1012. 2 2 1011 . 6 7 1012. 5 7 M E 1012. 0 9 M E 1014.15 1014.15 1013 . 6 7 1016 . 1 9 M E 1015 . 7 7 M E 1015 . 6 0 1015. 3 0 1015.50 1015 . 6 0 1015.60 1015. 4 3 1012.90 1013 . 0 5 1012. 5 9 1012 . 8 0 1012 . 6 7 1013. 8 8 1013 . 3 3 1011. 0 0 1015.23 1014 . 0 0 M E 1013 . 1 7 1015.05 1014.74 1012.59 1014 . 4 7 1015. 0 2 10 1 4 . 5 4 1015. 0 4 1014. 8 2 1012. 8 1 1015 . 1 5 1015 . 1 5 1015. 1 5 1014. 8 2 1015. 0 0 1015 . 0 0 1015. 2 0 1015. 2 0 1015 . 3 0 1015 . 2 0 1014. 6 0 1015. 2 0 1014 . 6 0 1015 . 2 0 1015. 0 7 1015. 0 7 1014 . 5 3 1014. 0 1 1014. 0 2 1015. 1 6 1015 . 1 6 1014 . 9 4 1015 . 1 4 1013 . 5 1 1014. 1 4 1015 . 5 0 10 1 5 . 6 0 1015. 6 0 1015 . 4 0 T P 1013 . 5 6 G 101 5 . 5 7 T P 101 3 . 5 5 G 1015. 5 4 T P 1014. 6 5 G 101 5 . 6 0 T P 10 1 4 . 5 9 G 10 1 5 . 0 1 1015 . 0 0 1012. 3 0 1014 . 9 5 1015 . 1 6 1014. 8 9 1013. 7 6 1013 . 4 0 1012 . 4 5 1012 . 4 0 1014. 5 0 1014 . 0 7 1015 . 5 8 1015. 4 9 PROP. CROSSING EX. ELEC CONDUIT OVER PROP. 24" STORM DRAIN MIN CLEARANCE: 1.0' PROP. CROSSINGS PROP. 8" STORM OVER PROP. DUCT BANK MIN CLEARANCE: 1.0' TYP. 232-LF OF STORM PIPE SHALL COMPLY WITH HORIZONTAL SEPARATION REQUIREMENTS FROM EXISTING WATER MAIN, IN ACCORDANCE WITH EITHER NOTE 3.3 OR 3.4 OF UTILITY NOTES ON SHEET C-400 1013 . 3 2 1013 . 9 0 1012. 3 9 1012. 1 6 10 1 2 1012 10131013 1013 1012 1014 1012 . 4 0 1017. 7 7 1010 . 7 6 1014. 0 1 8.7% 5.0% 1. 0 % 11.7% 11.7% 13.3% 10.8% 11.7 % 5. 9 % 30 . 9 % 28 . 2 % 2. 5 % 24.7% 24.0% 8. 9 % 1011. 6 0 HWL=1011.67 HW L = 1 0 1 3 . 8 0 HW L = 1 0 1 4 . 6 4 HWL=1 0 1 2 . 5 6 PROP. CROSSING PROP. 4" ROOF DRAIN B.O.P. 1008.69 PROP. 8" WM T.O.P. 1004.69 CLEARANCE: 1.0' 66" RCP FL OF PIPE: 1001.64' HWL = 1 0 1 4 . 5 7 OUTLET INVERT 1005.70' BOTTOM = 1001.64 AREA = 2265 SF HWL=1014.94 DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE SM 2 GRADING AND DRAINAGE PLAN 1" = 10' north 1 GRADING AND DRAINAGE PLAN 1" = 20' GENERAL NOTES 1.CONTRACTOR SHALL MAKE ARRANGEMENTS FOR THE PROPER BRACING, SHORING AND OTHER REQUIRED PROTECTION OF ALL ROADWAYS AND EXCAVATIONS BEFORE CONSTRUCTION BEGINS. 2.IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTING CONDITION, INCLUDING BUT NOT LIMITED TO, THE PROPERTY BOUNDARY, THE BENCHMARK, EXISTING BUILDING, PAVEMENT AND GROUND ELEVATIONS AND UTILITY HORIZONTAL AND VERTICAL LOCATIONS BEFORE THE START OF CONSTRUCTION. 3.CONTRACTOR SHALL REPAIR AND REPLANT ANY EXISTING GRASS OR SOIL THAT IS DISTURBED BY CONSTRUCTION ACTIVITY. 4.LOCATIONS OF ALL UTILITY LINES TO BE FIELD VERIFIED WITHIN AREA OF WORK. CONTRACTOR TO NOTIFY OWNER/ENGINEER OF ANY DISCREPANCIES. 5.CONTRACTOR SHALL OBTAIN ALL NECESSARY JURISDICTIONAL PERMITS AND APPROVALS PRIOR TO CONSTRUCTION BEGINNING. 6.THE TOPOGRAPHIC SURVEY WAS PROVIDED BY MCCLURE, JOB NO. 2025001453-000, DATED 06/18/2025. THESE IMPROVEMENT PLANS DO NOT WARRANT THE ACCURACY OF THE PROVIDED SURVEY. 7.THE GEOTECHNICAL REPORT WAS PROVIDED BY TERRACON, JOB NO. 08245197-01, DATED 08/05/2025. ACTUAL CONDITIONS OF SOILS, PAVEMENTS, ETC. MAY VARY FROM THIS REPORT. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONFIRMING CONDITIONS FOUND IN THE FIELD AND REPORT VARIANCES FROM ASSUMPTIONS IN THE GEOTECHNICAL REPORT TO THE ENGINEER. 8.VERTICAL DATUM ELEVATIONS ARE BASED ON THE NORTH AMERICAN VERTICAL DATUM OF 1988 (NAVD88). 1.THE MINIMUM FINISHED FLOOR ELEVATION OF ALL BUILDINGS AND CRITICAL EQUIPMENT PADS SHALL BE 1015.60' PER THE NORTH AMERICAN VERTICAL DATUM OF 1988 (NAVD88). 2.ALL WALKS EXTERNAL TO THE BUILDING SHALL MEET ADA ACCESSIBLITY CRITERIA UNLESS OTHERWISE SPECIFICALLY NOTED NOT TO BE REQUIRED IN SPECIFIC AREAS OF THE PLAN VIEW. 3.PROPOSED SPOT ELEVATIONS REPRESENT FINISHED PAVEMENT OR GROUND SURFACE GRADE UNLESS OTHERWISE NOTED ON DRAWINGS 4.EXISTING AND PROPOSED ELEVATION POINTS/CONTOURS/ETC. SHOWN ON PRINTED PLANS MAY NOT DIRECTLY REFLECT ALL DATA USED TO CONSTRUCT SAID FEATURES. REFER TO THE SURFACE OR DIGITAL ELEVATIONS MODEL FOR ADDITIONAL GRADING DETAILS AND DATA SOURCES. 5.ALL ELEVATIONS AND SURFACE WATER FLOW PATTERNS WITHIN THE PROJECT AREA ARE TO MATCH EXISTING UNLESS A SUB-AREA IS SPECIFICALLY NOTED OTHERWISE IN THE PLAN VIEW. 6.ALL WALKS EXTERNAL TO THE BUILDING SHALL MEET ADA ACCESSIBLITY CRITERIA UNLESS OTHERWISE SPECIFICALLY NOTED NOT TO BE REQUIRED IN SPECIFIC AREAS OF THE PLAN VIEW. 7.PROPOSED SPOT ELEVATIONS REPRESENT FINISHED PAVEMENT OR GROUND SURFACE GRADE UNLESS OTHERWISE NOTED ON DRAWINGS 8.EXISTING AND PROPOSED ELEVATION POINTS/CONTOURS/ETC. SHOWN ON PRINTED PLANS MAY NOT DIRECTLY REFLECT ALL DATA USED TO CONSTRUCT SAID FEATURES. REFER TO THE SURFACE OR DIGITAL ELEVATIONS MODEL FOR ADDITIONAL GRADING DETAILS AND DATA SOURCES. 9.ALL ELEVATIONS AND SURFACE WATER FLOW PATTERNS WITHIN THE PROJECT AREA ARE TO MATCH EXISTING UNLESS A SUB-AREA IS SPECIFICALLY NOTED OTHERWISE IN THE PLAN VIEW. 10.UNDERGROUND STORAGE DETENTION: 10.1.INTERNAL CAPACITY: 20418.43 CF 10.2.TOP ELEVATION: 1011.28 FT 10.3.BOTTOM ELEVATION 1006.28 FT GRADING AND DRAINAGE NOTES RUS-25008152-A0 MMW NSK AS SHOWN CIVIL GRADING AND DRAINAGE PLAN C-300SITE PLAN 3RD REVIEW 0 40'20' B A TP TOP G GROUND ME MATCH EXISTING HWL HIGH WATER LINE (100-YEAR STORM) ACRONYMS c c c c c c c c c c c c c c c north DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE SM RUS-25008152-A0 MMW NSK AS SHOWN CIVIL GRADING AND DRAINAGE PLAN C-301SITE PLAN 3RD REVIEW 0 40'20' DRAINAGE STRUCTURE TABLE STRUCTURE RIM STRUCTURE TYPE LID TYPE DIRECTION INVERT ELEV. ST-1 1011.00 SW-502 TYPE R INV NW 1007.10 ST-2 1012.21 SW-401 TYPE 4B INV N 1006.66 INV W 1007.67 INV SE 1006.76 INV S V.I.F. ST-3 1012.59 FLOW DIVERSION STRUCTURE (SEE DETAIL) TYPE F INV N 1006.54 INV S 1006.64 INV E 1006.54 ST-4 1012.81 HDS DEVICE (SEE DETAIL) TYPE F INV W 1006.50 INV S 1006.50 ST-5 1013.16 CONTROL STRUCTURE TYPE F INV W 1006.28 INV SE 1006.28 ST-6 1011.37 SW-401 TYPE F INV NW 1005.98 INV SE 1005.88 ST-7 1012.80 SW-511 TYPE 6 INV E 1008.04 INV W 1008.14 ST-8 1012.67 SW-502 TYPE Q INV E 1008.43 INV S 1008.53 INV W V.I.F. ST-9 1013.00 SW-512 TYPE 3A INV N 1008.64 INV S 1008.74 ST-10 1013.01 SW-512 TYPE 3A INV N 1008.88 INV S 1008.98 INV E 1010.12 ST-11 1013.05 SW-512 TYPE 3A INV N 1009.23 INV SW 1009.33 ADS-2 1014.74 15" ADS NYLOPLAST BASIN DOME GRATE INV W 1010.31 ADS-3 1014.82 12" ADS NYLOPLAST BASIN FLAT GRATE INV W 1011.75 NOTE: CATCH BASINS, MANHOLES, CLEANOUTS, AND LIDS SPECIFIED IN TABLE ARE PER DIVISION 6 OF THE IOWA STATEWIDE URBAN DESIGN AND SPECIFICATIONS (SUDAS) SPECIFICATIONS MANUAL SECTION A PROPERTY LINE 50.0' GREENSPACE PROP. CONCRETE SIDEWALK (SEE CIVIL DETAIL) PROP LOADING DOCK (SEE STRUCTURAL PLANS) PROP RETAINING WALL (SEE STRUCTURAL PLANS) 22.0' NOT TO SCALE 10.0-15.0% 6.0-10.0% 2% MAX CROSS SLOPE 30.0' GREENSPACE 3 1 (MAX) 2.0% - 3.0% 2.0% - 3.0% 2.0% - 3.0% 24.0'19.0'8.0' 7.5" PROP. DRIVE AISLE GRADE = 1015.73 PROP. PARKINGPROP. PARKING PROP. CONCRETE SECTION (REFER TO CIVIL DETAILS) PROP. 6" INTEGRAL CURB (REFER TO CIVIL DETAILS)PROP. 2 1 4 DEPRESSED CURB (REFER TO CIVIL DETAILS) SECTION B NOT TO SCALE 7.5" PROPERTY LINE ST-12 1012.90 INV N 1006.83 INV SW 1006.93 SW-401 TYPE F INV S 1008.74 ADS-1 1015.23 15" ADS NYLOPLAST BASIN DOME GRATE INV NW 1009.49 ADS-4 1015.04 18" ADS NYLOPLAST BASIN FLAT GRATE INV N 1010.80 ADS-5 1014.14 18" ADS NYLOPLAST BASIN FLAT GRATE INV E 1010.07 ADS-6 1014.02 18" ADS NYLOPLAST BASIN FLAT GRATE INV N 1009.04 ADS-7 1014.01 12" ADS NYLOPLAST BASIN FLAT GRATE INV NW 1010.88 INV E 1009.59 INV W 1009.04 INV E 1009.04 INV S 1010.07 ADS-8 1013.51 12" ADS NYLOPLAST BASIN FLAT GRATE INV E 1010.43 INV S 1010.43 INV W 1010.80 INV SW 1010.88 INV SW 1010.80 INV S 1010.50 ADS-9 1014.50 12" ADS NYLOPLAST BASIN FLAT GRATE INV S 1011.74 ADS-10 1014.85 12" ADS NYLOPLAST BASIN FLAT GRATE INV N 1011.38 INV W 1011.38 INV E 1011.38 ADS-11 1014.07 12" ADS NYLOPLAST BASIN FLAT GRATE INV SE 1010.52 INV W 1010.52 INV NE 1010.50 INV NW 1010.50 c c O W R O W R O W R WV DYH THTHIH IH WV B B B T TH TH TH THTH WV DYH IH IH EH IH MB IH IH IH IH TH TH TH TH TH TH TH T T T T TH TH T NE A L I C E ' S R D R. O . W 1 2 0 ' C O N C R E T E 60 60 3.96' S F3 F2 F1 EX . S S EX . S S EX . S S EX . D R EX . D R EX . D R EX . D R EX . D R EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX . C M EX . C M EX . C M EX . C M EX . C M EX. CM EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. C M EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX . C M EX. CM EX . C M EX . C M EX . C M EX. O E EX. O E EX. O E EX . B E EX . B E EX . C M EX . C M EX . C M EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX . C M EX . C M EX . C M EX . C M EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX. CM EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX. C M EX. C M EX. C M EX. C M EX. C M EX. C M EX. CM EX. CM EX. CM EX. CM EX. CM EX. B E EX. B E EX. B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX. BE EX. BE EX. BE EX. BE EX. BE EX . B E EX. BE EX. BE EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . O E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX. B E EX. B E EX . B E EX . B E EX . B E EX. B E EX. B E EX. B EEX. BE EX. BE EX. BE EX . B E EX . B E EX . B E EX. BE EX. BE EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX . B E EX. B E EX. BE EX. BE EX. BE EX. BE EX. B E EX. B E EX. B E EX. B E EX . B E EX . B E EX . B E EX . B E EX . B E EX. BE EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX . G A S EX. W EX. W EX. W EX. W EX. W EX. W EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX . W M EX. W M EX. W M EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX. WM EX. W M EX. W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . W M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX. CM EX. CM EX. CM EX. CM EX . C M EX . C M EX . C M EX . C M EX . C M EX. CM EX. CM EX. CM EX. CM EX . C M EX. CM EX. CM EX. C M EX. C M EX. C M EX. C M EX. C M EX. C M EX. C M EX. C M EX. C M EX . C M EX . C M EX. CM EX. C M EX. CM EX. CM EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX. C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX . C M EX. D R EX. DREX. DREX. DREX. DR EX. DR EX . D R EX . D R EX . D R EX . D R EX . D R EX. DR EX. DR EX. DR EX. DR EX. DR EX. DR EX. D R EX. D R EX. D R EX. D R EX. D R EX. CONCRETE ROOF DRAIN INTAKE EX. CONCRETE ROOF DRAIN INTAKE EX. ELECTRIC TRANSFORMER ON CONCRETE PAD EX. MECHANICAL EQUIPMENT ON CONCRETE PAD EX. ROCK LANDSCAPING EX. ROCK LANDSCAPING EX . S I D E W A L K 1 STORY BUILDING MASONRY AND STEEL CONSTRUCTION EXTERIOR BUILDING: 20,093 SF EX. ROCK LANDSCAPING EX. S I D E W A L K O W R O W R O W R BEEHIVE INTAKE RIM ELEV: 1017.09' OUTSIDE LIMITS 66" RCP FES FL ELEV: 1003.12' 66" RCP FL OF PIPE: 1001.64' 6" CPP ROOF DRAIN TOP OF PIPE: 1009.31' BEEHIVE INTAKE RIM ELEV: 1017.29' OUTSIDE LIMITS BEEHIVE INTAKE RIM ELEV: 1017.09' OUTSIDE LIMITS UTILITY BUILDING STEEL CONSTRUCTION EXTERIOR BUILDING: 454 SF EX. SANITARY MANHOLE RIM ELEV: 1014.28' 8" TRUSS FL OUT S ELEV: 1005.18' 66" RCP FES FL ELEV: 1004.17' WM WM WM WM WM WM WM WM < < < < < < < < < < < < < < < < < < < < << <<<<<<<<<<<<< < < < <<<<<< < < < < <<<<<<<<<<<<<<<<<<<<<<< ( <<< < BE BE BE BE BE BE BE BE BE BE BE BE BE < < BE BE BEBEBEBE FO FO FO FO FO FO < < < < < < < < < < < < < < < < < < < <<<<<<<<<< < < < < < < < < < < < < < < BE BE BE BE ( ( ((( BEBEBEBEBEBEBEBEBEBEBEBEBEBEBE BE BE BE BE BE BE BE BE PROP. BUILDING (WAREHOUSE) PROP. BUILDING (OFFICE) PROP. 8" 45° BEND PROP. 8" TAPPING SLEEVE AND VALVE PROP. 8" TAPPING SLEEVE AND VALVE PROP. CONNECT EX. SAN SERVICE W/WYE FITTING PROP. 45 LF OF 6" PVC SANITARY SERVICE @ 1.5% SL. PROPOSED FDC (REFER TO FIRE PROTECTION) PROP. 178 LF OF DIP WATER MAIN PROP. 37 LF OF 8" DIP WATER MAIN PROP. SAN CO-2 PROP. 23 LF OF 6" PVC SANITARY SERVICE @ 1.5% SL. PROP. SAN CO-1 CCI SEGRAELECTRIC TRANSFORMER MIDAMERICAN MCI MI FIBER NEXGEN EX. UNKNOWN UTILITY GPR DETECTED 9.87' PUE BK. 2008 PG. 7678 17.15' TELECOM EASEMENT BK. 702 PG. 23 19.87' UNDERGROUND ELECTRIC EASEMENT BK. 2001 PG. 1723 32.86' OVERHEAD ELECTRIC EASEMENT BK. 1999 PG. 003413 30' SANITARY SEWER EASEMENT BK 2008, PG 11527 10' P.U.E. BK 2008, PG 7678 20' UNDERGROUND ELECTRIC EASEMENT BK 2001, PG 1723 33' OVERHEAD ELECTRIC LINE EASEMENT BK 1999, PG 3413 16.5' TELECOMMUNICATIONS EASEMENT BK 702, PG 23 BEEHIVE INTAKE RIM ELEV: 1017.09' OUTSIDE LIMITS EX. 66" RCP FES FL ELEV: 1004.17' EX. 66" RCP FES FL ELEV: 1003.12' EX. 6" CPP ROOF DRAIN TOP OF PIPE: 1009.31' BEEHIVE INTAKE RIM ELEV: 1017.29' OUTSIDE LIMITS BEEHIVE INTAKE RIM ELEV: 1017.09' OUTSIDE LIMITS FU T U R E MI D A M E R I C A N EA S E M E N T (P R I V A T E ) PROP. PLUG PROP. SAN CO-4 PROP. 32 LF OF 6" PVC SANITARY SERVICE @ 1.5% CONNECT TO EX. SEWER MAIN INV: 1005.18 EX. SANITARY MANHOLE RIM ELEV: 1014.28' 8" TRUSS FL OUT S ELEV: 1005.18' PROP. 6 LF OF 6" PVC SANITARY SERVICE @ 1.5% SL. PROP. 8" 45° BEND PROP. 8" 45° BEND PROP. CROSSING PROP. 8" WM OVER EX. DUCT BANK MIN CLEARANCE: 1.0' PROP. CROSSING EX. ELECTRIC CONDUIT OVER PROP. 8" WM MIN CLEARANCE: 0.5' PROP. CROSSING PROP. 8" WM UNDER PROP. 4" ROOF DRAIN MIN CLEARANCE: 1.5' PROP. 6" SAN SERVICE INVERT: 1007.43' SEE MEP PLANS FOR CONTINUATION PROPOSED CROSSING PROP. FIBER OPTIC UNDER PROP. STORM MIN CLEARANCE: 1.0' PROP. FIBER OPTIC (REFER TO ELECTRICAL) PROP. FIBER BOX (REFER TO ELECTRICAL) 10' P.U.E. BK2020, PG 29981 5' P.U.E. BK2014, PG 10241 60' PRIVATE' STORM EASEMENT BK 2018, PG 17884 PROP. GENERATORS (REFER TO MECHANICAL) PROP. CHILLERS (REFER TO MECHANICAL) PROP. TRANSFORMERS (REFER TO ELECTRICAL) PROP. SWITCHGEARS PROPOSED CROSSING PROP. BURIED ELECTRIC UNDER PROP. 8" STORM MIN CLEARANCE: 1.0' PROPOSED CROSSING PROP. BURIED ELECTRIC UNDER PROP. 6" UNDERDRAIN MIN CLEARANCE: 1.0' PROPOSED CROSSING PROP. FIBER OPTIC UNDER PROP. STORM MIN CLEARANCE: 1.0'PROPOSED CROSSING PROP. BURIED ELECTRIC CONDUIT OVER PROP. 8" WATER MAIN MIN CLEARANCE: 1.0' FUTURE MIDAMERICAN EASEMENT (PRIVATE) PROP. BURIED ELECTRIC DUCT BANK (REFER TO ELECTRICAL) PROP. BURIED ELECTRIC DUCT BANK (REFER TO ELECTRICAL) PROP. BURIED LIGHTING CONDUIT (REFER TO ELECTRICAL) PROP. BURIED ELECTRIC CONDUIT (REFER TO ELECTRICAL), TYP PROPOSED CROSSING PROP. BURIED ELECTRIC UNDER PROP. 12" STORM MIN CLEARANCE: 1.0' PROPOSED CROSSING PROP. BURIED ELECTRIC UNDER PROP. 15" STORM MIN CLEARANCE: 1.0' PROPOSED CROSSINGS PROP. BURIED ELECTRIC UNDER PROP. 8" STORM MIN CLEARANCE: 1.0' TYP. PROP. GENERATOR (REFER TO MECHANICAL) 19.85'8.42' 13.66' 105.38' 31 . 7 5 ' PROP. 6" 45° BEND PROP. 6" WYE PROP. SAN CO-3 PROP. 6 LF OF 6" PVC SANITARY SERVICE @ 1.5% SL. PROP. 6" 45° BEND 5. 0 0 ' ( M I N ) 11.15' 27 . 0 6 ' 27-LF OF SANITARY PIPE SHALL COMPLY WITH HORIZONTAL SEPARATION REQUIREMENTS FROM EXISTING WATER SERVICE, IN ACCORDANCE WITH NOTE 3.3 OF UTILITY NOTES ON SHEET C-400 PROPOSED FIBER BOX (COORDINATE LOCATION WITH ELECTRICAL) LEGEND PROPOSED CONCRETE SIDEWALK PROPOSED LANDSCAPING PROPOSED FENCE PROPOSED CONCRETE PAVEMENT PROPOSED RIVER ROCK PROPERTY LINE EASEMENT WM PROPOSED WATER MAIN <PROPOSED STORM PIPE PROPOSED STORM INLET PROPOSED SIGN PROPOSED DRAINAGE MANHOLE PROPOSED CLEAN OUT PROPOSED FDC ((PROPOSED SANITARY SERVICE PROPOSED CONTOURXXXX PROPOSED FOOTING DRAIN PROPOSED ADS BASIN BE PROPOSED BURIED ELECTRICFOPROPOSED FIBER OPTIC FO PROPOSED FIBER OPTIC DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE north 0 40'20' SCALE 1" = 20' SM GENERAL NOTES 1.CONTRACTOR SHALL MAKE ARRANGEMENTS FOR THE PROPER BRACING, SHORING AND OTHER REQUIRED PROTECTION OF ALL ROADWAYS AND EXCAVATIONS BEFORE CONSTRUCTION BEGINS. 2.IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTING CONDITION, INCLUDING BUT NOT LIMITED TO, THE PROPERTY BOUNDARY, THE BENCHMARK, EXISTING BUILDING, PAVEMENT AND GROUND ELEVATIONS AND UTILITY HORIZONTAL AND VERTICAL LOCATIONS BEFORE THE START OF CONSTRUCTION. 3.CONTRACTOR SHALL REPAIR AND REPLANT ANY EXISTING GRASS OR SOIL THAT IS DISTURBED BY CONSTRUCTION ACTIVITY. 4.LOCATIONS OF ALL UTILITY LINES TO BE FIELD VERIFIED WITHIN AREA OF WORK. CONTRACTOR TO NOTIFY OWNER/ENGINEER OF ANY DISCREPANCIES. 5.CONTRACTOR SHALL OBTAIN ALL NECESSARY JURISDICTIONAL PERMITS AND APPROVALS PRIOR TO CONSTRUCTION BEGINNING. 6.THE TOPOGRAPHIC SURVEY WAS PROVIDED BY MCCLURE, JOB NO. 2025001453-000, DATED 06/18/2025. THESE IMPROVEMENT PLANS DO NOT WARRANT THE ACCURACY OF THE PROVIDED SURVEY. 7.THE GEOTECHNICAL REPORT WAS PROVIDED BY TERRACON, JOB NO. 08245197-01, DATED 08/05/2025. ACTUAL CONDITIONS OF SOILS, PAVEMENTS, ETC. MAY VARY FROM THIS REPORT. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONFIRMING CONDITIONS FOUND IN THE FIELD AND REPORT VARIANCES FROM ASSUMPTIONS IN THE GEOTECHNICAL REPORT TO THE ENGINEER. 8.VERTICAL DATUM ELEVATIONS ARE BASED ON THE NORTH AMERICAN VERTICAL DATUM OF 1988 (NAVD88). UTILITY NOTES 1.CONTRACTOR SHALL PLAN ALL PROPOSED UTILITY CROSSINGS PRIOR TO INSTALLATION TO CONFIRM HORIZONTAL AND VERTICAL CLEARANCES CALLED FOR IN THE PLANS ARE MET AND/OR WILL MEET THE REQUIREMENTS OF ALL AGENCIES HAVING JURISDICTION OVER THE UTILITIES. 2.WATER AND SEWER MAINS SHALL BE INSTALLED WITH A MINIMUM OF TEN FEET HORIZONTAL CLEARANCE FROM OUTSIDE WALLS OF PIPE UNLESS OTHERWISE NOTED/ALLOWED. 3.WATER SERVICES SHALL BE INSTALLED WITH A MINIMUM OF TEN FEET HORIZONTAL CLEARANCE BETWEEN STORMWATER OR SANITARY SEWER PIPES MEASURED FROM OUTSIDE WALLS OF PIPE UNLESS OTHERWISE NOTED/ALLOWED. WHEN IMPOSSIBLE TO MAINTAIN A TEN FEET HORIZONTAL SEPARATION, MAINTAIN A MINIMUM SEPARATION OF 3 FEET AND UTILIZE ONE OF THE FOLLOWING WITHIN 10 FEET MEASURED EDGE-TO EDGE: 3.1.CONSTRUCT THE WATER MAIN OF DUCTILE IRON PIPE WITH GASKETS IMPERMEABLE TO HYDROCARBONS. 3.2.ENCLOSE THE WATER MAIN IN A WATERTIGHT CASING PIPE WITH EVENLY SPACED ANNULAR GAP AND WATERTIGHT END SEALS. 3.3.CONSTRUCT STORM SEWER PIPE OF WATER MAIN MATERIALS. 3.4.CONSTRUCT STORM SEWERS OF REINFORCED CONCRETE PIPE WITH GASKETS MANUFACTURED ACCORDING TO ASTM C443. 4.WATER SERVICES SHALL CROSS ABOVE STORMWATER AND SEWER PIPES WHERE POSSIBLE AND MAINTAIN A MINIMUM CLEARANCE OF ONE AND A HALF FOOT FROM OUTSIDE WALLS OF PIPE UNLESS OTHERWISE NOTED/ALLOWED. IF WATER MUST CROSS UNDERNEATH, THERE SHALL BE A MINIMUM CLEARANCE OF ONE AND A HALF FEET FROM OUTSIDE WALLS OF PIPE UNLESS OTHERWISE NOTED/ALLOWED. WATER/WATER CROSSINGS MAY BE ALLOWED WITH A MINIMUM OF ONE HALF FOOT CLEARANCE. 5.WATER MAINS (INCLUDING FIRE LINES) SHALL BE INSTALLED A MINIMUM OF FOUR FEET BELOW FINISHED GRADE OR ONE FOOT BELOW FROST DEPTH, WHICHEVER IS GREATER. 6.WATER SERVICES (DOMESTIC AND IRRIGATION) SHALL BE INSTALLED A MINIMUM OF FOUR FEET BELOW FINISHED GRADE OR ONE FOOT BELOW FROST DEPTH, WHICHEVER IS GREATER. 7.DRY UTILITIES (POWER, COMMUNICATIONS, ETC.) SHALL BE INSTALLED A MINIMUM OF THREE FEET BELOW FINISHED GRADE OR BELOW FROST DEPTH, WHICHEVER IS GREATER. REFER TO MEP AND TECHNOLOGY PLANS FOR THE DETAILS OF ALL PROPOSED DRY UTILITIES. SITE PLAN 3RD REVIEW RUS-25008152-A0 MMW NSK AS SHOWN CIVIL UTILITY PLAN C-400 c OWNER'S CERTIFICATION "I CERTIFY UNDER PENALTY OF LAW THAT I UNDERSTAND THE TERMS AND CONDITIONS OF THE GENERAL NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMIT THAT AUTHORIZES THE STORM WATER DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITY FROM THE CONSTRUCTION SITE AS PART OF THIS CERTIFICATION. FURTHER, BY MY SIGNATURE, I UNDERSTAND THAT I AM BECOMING A CO-PERMITTEE, ALONG WITH THE CONTRACTOR AND SUBCONTRACTORS SIGNING SUCH CERTIFICATIONS, TO THE IOWA DEPARTMENT OF NATURAL RESOURCES NPDES GENERAL PERMIT NO.2 FOR "STORM WATER DISCHARGE ASSOCIATED WITH INDUSTRIAL ACTIVITY FOR CONSTRUCTION ACTIVITIES" AT THE IDENTIFIED SITE. AS A CO-PERMITTEE, I UNDERSTAND THAT I, AND MY ORGANIZATION, ARE LEGALLY REQUIRED UNDER THE CLEAN WATER ACT AND THE CODE OF IOWA, TO ENSURE COMPLIANCE WITH THE TERMS AND CONDITIONS OF THE STORM WATER POLLUTION PREVENTION PLAN DEVELOPED UNDER THIS NPDES PERMIT AND THE TERMS OF THIS NPDES PERMIT. I CERTIFY UNDER PENALTY OF LAW THAT THIS DOCUMENT AND ALL ATTACHMENTS WERE PREPARED UNDER MY DIRECTION OR SUPERVISION IN ACCORDANCE WITH A SYSTEM DESIGNED TO ASSURE THAT QUALIFIED PERSONNEL PROPERLY GATHERED AND EVALUATED THE INFORMATION SUBMITTED. BASED ON MY INQUIRY OF THE PERSON OR PERSONS WHO MANAGE THE SYSTEM, OR THOSE PERSONS DIRECTLY RESPONSIBLE FOR GATHERING THE INFORMATION, THE INFORMATION SUBMITTED IS, TO THE BEST OF MY KNOWLEDGE AND BELIEF, TRUE, ACCURATE, AND COMPLETE. I AM AWARE THAT THERE ARE SIGNIFICANT PENALTIES FOR SUBMITTING FALSE INFORMATION, INCLUDING THE POSSIBILITY OF FINE AND IMPRISONMENT FOR KNOWING VIOLATIONS." I CERTIFY UNDER PENALTY OF LAW THAT I UNDERSTAND THE TERMS AND CONDITIONS OF THE GENERAL NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (NPDES) PERMIT THAT AUTHORIZES THE STORM WATER DISCHARGES ASSOCIATED WITH INDUSTRIAL ACTIVITY FROM THE CONSTRUCTION SITE AS PART OF THIS CERTIFICATION. FURTHER, BY MY SIGNATURE, I UNDERSTAND THAT I AM BECOMING A CO-PERMITTEE, ALONG WITH THE OWNER'S AND OTHER CONTRACTORS AND SUBCONTRACTORS SIGNING SUCH CERTIFICATIONS, TO THE IOWA DEPARTMENT OF NATURAL RESOURCES NPDES GENERAL PERMIT NO.2 FOR "STORM WATER DISCHARGE ASSOCIATED WITH INDUSTRIAL ACTIVITY FOR CONSTRUCTION ACTIVITIES" AT THE IDENTIFIED SITE. AS A CO-PERMITTEE, I UNDERSTAND THAT I AND MY COMPANY ARE LEGALLY REQUIRED UNDER THE CLEAN WATER ACT AND THE CODE OF IOWA, TO ENSURE COMPLIANCE WITH THE TERMS AND CONDITIONS OF THE STORM WATER POLLUTION PREVENTION PLAN DEVELOPED UNDER THIS NPDES PERMIT AND THE TERMS OF THIS NPDES PERMIT. NAME/ TITLE: ___________________________________________________________ COMPANY: ____________________________________ DATE: ___________________ TELEPHONE NUMBER: ___________________________________________________ GENERAL CONTRACTOR SUBCONTRACTOR -GRADING NAME/ TITLE: ___________________________________________________________ COMPANY: ____________________________________ DATE: ___________________ TELEPHONE NUMBER: ___________________________________________________ SUBCONTRACTOR -EROSION AND SEDIMENT CONTROL NAME/ TITLE: ___________________________________________________________ COMPANY: ____________________________________ DATE: ___________________ TELEPHONE NUMBER: ___________________________________________________ DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 12/12/25 SM VICINITY MAP BUILDING LOCATION north STORM WATER POLLUTION PREVENTION PLAN (SWPPP) SITE DESCRIPTION -OWNER/APPLICANT: US SIGNAL / ETZEL ENGINEER & BUILD -LOCATION: 390 NE ALICES RD, WAUKEE, IOWA 50263 PART OF SE 1 4, SECTION 27, TOWNSHIP 79 NORTH, RANGE 26 WEST OF THE 5TH P.M. -NATURE OF CONSTRUCTION ACTIVITY: CONSTRUCTION OF OFFICE/WAREHOUSE REDEVELOPMENT -AREAS: TOTAL SITE AREA: 5.0 ACRES SITE AREA AFFECTED: 3.2 ACRES -RUNOFF COEFFICIENT: 0.58 -EXISTING SOILS DATA: LEAN CLAY AND SANDY LEAN CLAY, VARYING SAND CONTENT LEAN CLAY, TRACE SAND LEAN TO FAT CLAY, TRACE SAND (SOURCE: SUBSURFACE EXPLORATION AND GEOTECHNICAL ENGINEERING EVALUATION FROM TERRACON CONSULTANTS, LLC., IN AUGUST, 2025). -RECEIVING WATER(S) AND ULTIMATE RECEIVING WATER(S): RUNOFF FROM THIS PROJECT WILL FLOW INTO UNDERGROUND STORM DETENTION AND WILL FLOW INTO UNNAMED DITCHES WHICH WILL FLOW INTO LITTLE WALNUT CREEK, TO WALNUT CREEK. -EXISTENCE OF QUANTITATIVE STORM WATER DISCHARGE DATA: NO SEQUENCE OF SOIL DISTURBING ACTIVITIES AND IMPLEMENTATION CONTROLS 1.CLEARING AND GRUBBING 2.EROSION AND SEDIMENT CONTROLS 3.STABILIZATION PRACTICES 4.EXISTING VEGETATION IS PRESERVED WHENEVER POSSIBLE. 5.PERMANENT SEEDING AND/OR SODDING AFTER CONSTRUCTION. 6.PROTECTION OF TREES AND PRESERVATION OF MATURE VEGETATION WHEREVER POSSIBLE. 7.DRAINAGE SWALES 8.STORM WATER MANAGEMENT 9.VELOCITY DISSIPATION BY USE OF ORIFICE IN UNDERGROUND STORAGE DETENTION TO PROVIDE NON-EROSIVE VELOCITY FLOWS. 10.ALL MATERIAL WASTES MUST BE REMOVED FROM THE SITE. 11.ON-SITE VEHICLE TRACKING SEDIMENT PAD TO REDUCE SEDIMENTS OFF-SITE. 12.TOTAL COMPLIANCE WITH STATE/LOCAL WASTE DISPOSAL REGULATIONS. 13.CONTROLS MUST BE IN GOOD OPERATING CONDITION UNTIL THE CONSTRUCTION ACTIVITY IS COMPLETE AND FINAL STABILIZATION HAS BEEN REACHED. 14.PLACEMENT OF INLET PROTECTIONS 15.PLACEMENT OF SILT FENCES 16.EARTHWORK AND GRADING 17.REMOVE INLET PROTECTIONS, SILT FENCES, AND SILT WORMS 18.CLEAN ALL CONSTRUCTION DEBRIS FROM CONSTRUCTION SITE MAINTENANCE -ALL MEASURES WILL BE MAINTAINED IN GOOD WORKING ORDER; IF A REPAIR IS NECESSARY, IT WILL BE INITIATED WITHIN 24 HOURS OF REPORT. -BUILT UP SEDIMENT WILL BE REMOVED FROM SILT FENCE WHEN IT HAS REACHED ONE-THIRD OF THE HEIGHT OF THE FENCE. -PROTECT ALL INLETS SURROUNDING CONSTRUCTION SITE. -STREET SWEEPING AND DUST PREVENTION MUST BE IMPLEMENTED DAILY. -CONTAINMENT OR REMOVAL OF POLLUTANTS SHALL BE IN ACCORDANCE WITH ALL APPLICABLE STATE AND CITY OF WAUKEE AND IOWA DOT/SUDAS SPECIFICATIONS. -THE RESPONSIBLE PERSONS FOR MONITORING AND MAINTAINING THE EROSION CONTROL DEVICES SHALL BE SITE CONTRACTOR/CONTRACTOR'S DESIGNATED SUPERINTENDENT. -ANY SOIL OR SPILL WASHED, TRACKED OR DROPPED ON TO ADJOINING RIGHT-OF-WAYS AND PROPERTY SHALL BE CLEANED UP BY THE CONTRACTOR WITHIN AT THE END OF THE WORK DAY AND PRIOR TO A RAIN EVENT. EARTH RAMPS SHALL NOT BE CONSTRUCTED IN THE STREET GUTTER. -SILT FENCING SHALL BE CLEANED WHEN THEY HAVE LOST 50% OF THEIR CAPACITY. -ALL INTAKES AND MANHOLES TO HAVE SILT FENCES AROUND THEM FOR PRIOR TO PAVING AND INLET FILTERS AFTER PAVING. NAME/ TITLE: ___________________________________________________________ COMPANY: ____________________________________ DATE: ___________________ TELEPHONE NUMBER: ___________________________________________________ CONTRACTOR CERTIFICATION IMPLEMENTATION AND MAINTENANCE 1. SILT FENCE WILL BE PLACED BY THE CONTRACTOR PRIOR TO BEGINNING GRADING OR CLEARING AND GRUBBING OPERATIONS ALONG THE PERIMETER OF THE PROJECT AT LOCATIONS IN WHICH RUNOFF CAN MOVE OFFSITE. VEGETATION IN AREAS NOT NEEDED FOR CONSTRUCTION SHALL BE PRESERVED. THIS SILT FENCE SHALL REMAIN IN PLACE UNTIL FINAL STABILIZATION HAS BEEN ACHIEVED. 2.INSTALL UPSTREAM DIVERSIONS DIVERSIONS, DOWNSLOPE, AND SIDESLOPE PERIMETER CONTROLS BEFORE COMMENCING LAND DISTURBING ACTIVITIES. 3.STABILIZATION TO OCCUR IMMEDIATELY WHENEVER ANY CLEANING, GRADING, EXCAVATING, OR OTHER EARTH DISTURBING ACTIVITIES HAVE PERMANENTLY CEASED ON ANY PORTION OF THE SITE OR TEMPORALLY CEASED ON ANY PORTION OF THE SITE AND WILL NOT RESUME FOR A PERIOD EXCEEDING 14 CALENDAR DAYS. 4.TREE PROTECTION FENCE WILL BE PLACED BY CONTRACTOR PRIOR TO BEGINNING CLEARING OF VEGETATION. 5.DO NOT DISTURB AN AREA UNTIL IT IS NECESSARY FOR CONSTRUCTION TO PROCEED. 6.TIME CONSTRUCTION ACTIVITIES TO LIMIT IMPACT ON SEASONAL WEATHER CHANGES. 7.DO NOT REMOVE PERIMETER CONTROLS UNTIL UPSTREAM AREAS ARE STABILIZED. 8.ROCK OUTLET PROTECTION SHALL REMAIN INTACT. 9.PRESERVE EXISTING VEGETATION WHERE ATTAINABLE AND STABILIZE DISTURBED AREAS. 10.ALL INLETS THAT ARE ACTIVE ARE TO BE COVERED DURING CONSTRUCTION TO REDUCE SEDIMENT DEPOSITS WITHIN THE STORM SEWER. INLETS ARE TO BE CLEARED DAILY OF DEBRIS. 11.PRIOR TO MASS GRADING, CONSTRUCT DIVERSION DRAINAGE SWALES ON THE UPHILL SIDES OF THE DISTURBED AREA TO DIVERT UPHILL RUNOFF FROM EXPOSED SOILS. 12.DRAINAGE SWALES REMAIN UNDISTURBED. 13.TEMPORARY EARTH PILE SHALL HAVE DOWNSLOPE SILT FENCE PROTECTION. 14.SOIL STOCKPILES SHALL BE STABILIZED WITHIN VEGETATION OR COVERED. MOWING MAY BE REQUIRED IF THE VEGETATION BECOMES NUISANCE. 15.WORK REQUIRING ENTERING AND LEAVING THE SITE OVER THE COUNTY ROADWAYS INCLUDING MATERIAL DELIVERY AND MOVEMENT OF EQUIPMENT SHALL NOT BE PERMITTED DURING PERIODS WHEN THE GROUND IS EXCEPTIONALLY SOFT AND WET AND EROSION BY VEHICLE IS A CERTAINTY. 16.MATERIAL OR EQUIPMENT STORAGE AREAS MUST BE WITHIN THE LIMITS OF SOIL DISTURBING ACTIVITY. THESE AREAS SHALL BE INSPECTED FOR POTENTIAL POLLUTANTS ENTERING THE SYSTEM. 17.ALL INTAKES AND MANHOLES TO HAVE SILT WORM AROUND THEM PRIOR TO PAVING AND INLET FILTERS AFTER PAVING. THESE FILTERS HALL REMAIN IN PLACE UNTIL CONSTRUCTION IS COMPLETE. 18.SOIL SHALL BE WATERED DURING DRY, WINDY CONDITIONS TO MINIMIZE EROSION. 19.ANY SOIL OR SPILL WASHED, TRACKED OR DROPPED ON TO ADJOINING RIGHT-OF-WAYS AND PROPERTY SHALL BE CLEANED UP BY THE CONTRACTOR AT THE END OF EACH WORK DAY AND PRIOR TO A RAIN EVENT. EARTH RAMPS SHALL NOT BE CONSTRUCTED IN THE STREET GUTTER. 20.AFTER INITIAL GRADING PRIOR TO UTILITY CONSTRUCTION, ALL DISTURBED AREAS OUTSIDE THE PROPOSED RIGHT-OF-WAYS ARE TO HAVE TEMPORARY SEEDING AND MULCHING. CONTRACTORS AND SUBS ARE TO MINIMIZE DISTURBANCE TO THESE SEEDED AREAS THROUGH THE USE OF SPECIFIC ACCESS ROUTES WITHIN THE SITE. 21.DURING CONSTRUCTION IF IT BECOMES EVIDENT THAT A DISTURBED AREA WILL NOT BE DISTURBED FOR 14 DAYS, IT SHALL BE SEEDED BY IMMEDIATELY. 22.SILT FENCING SHALL BE CLEANED WHEN THEY HAVE LOST 50% OF THEIR CAPACITY. 23.AFTER GRADING OPERATIONS HAVE BEEN COMPLETED, ALL AREAS THAT WILL NOT BE DISTURBED BY SUBSEQUENT CONSTRUCTION ACTIVITIES SHALL BE SEEDED. 24.FINISH GRADING AND PERMANENT SEEDING SHALL BE COMPLETED AS SOON AS IT IS PRACTICAL. 25.PERMANENT SEEDING A ND MULCHING TO BE DONE IMMEDIATELY AFTER FINAL GRADING PER SUDAS STANDARD SPECIFICATIONS SECTION 9010. 26.PERMANENT FINAL PLANT COVERING OR STRUCTURES SHALL BE INSTALLED AS SOON AS POSSIBLE BUT NOT LONGER THAN SEVEN (7) DAYS AFTER FINAL GRADING IS COMPLETED. REPLANTING MAY BE REQUIRED TO ENSURE ADEQUATE VEGETATIVE COVER IS ESTABLISHED. ADEQUATE VEGETATIVE COVER IS CONSIDERED TO BE AT LEAST 70% COVERAGE OF THE SOIL SURFACE BY THE INTENDED SPECIES. IF NATIVE LANDSCAPE IS USED, THEN 70% COVERAGE BY THE COVER CROP IS REQUIRED. 27.ANY FAILED AREA OF SEEDING SHALL BE RESEEDED. IN THE EVENT THAT SEEDING/MULCHING DOES NOT OCCUR PRIOR TO WINTER, ALL DISTURBED AREAS SHALL BE MULCHED. DES MOINES DATA CENTER EXPANSION 390 N ALICES ROAD, WAUKEE, IA 50263 INSPECTIONS 1.QUALIFIED PERSONNEL SHALL INSPECT DISTURBED AREAS OF THE CONSTRUCTION SITE THAT HAVE NOT BEEN FINALLY STABILIZED AT LEAST ONCE EVERY SEVEN CALENDAR DAYS. 2.INSPECT SITE FOR EVIDENCE OF, OR THE POTENTIAL OF, POLLUTANTS ENTERING THE DRAINAGE SYSTEM FROM STORED MATERIALS . 3.OBSERVE EROSION AND SEDIMENT CONTROL MEASURES TO ENSURE THAT THEY ARE OPERATING CORRECTLY, REPAIR AND REPLACE AS NECESSARY. 4.LOCATIONS WHERE VEHICLES ENTER OR EXIT THE SITE SHALL BE INSPECTED FOR EVIDENCE OF OFF-SITE SEDIMENT TRACKING. 5.INSPECT DISCHARGE LOCATIONS AT THE END OF EACH WORK DAY TO ASCERTAIN WHETHER EROSION CONTROL MEASURES ARE EFFECTIVE IN PREVENTING SIGNIFICANT IMPACTS TO RECEIVING WATER. 6.ANY MODIFICATIONS TO THE PLAN AS A RESULT OF AN INSPECTION SHALL BE IMPLEMENTED WITHIN 72 HOURS OF THE INSPECTION. 7.AN INSPECTION REPORT SHALL BE PREPARED AND RETAINED AS PART OF THE PREVENTION PLAN UNTIL PROJECT TERMINATION, THIS REPORT WILL CONTAIN THE FOLLOWING: 7.1.A SUMMARY OF THE SCOPE OF THE INSPECTION. 7.2.QUALIFICATIONS OF THE PERSONNEL MAKING THE INSPECTION. 7.3.MAJOR OBSERVATIONS RELATING TO THE IMPLEMENTATION OF THE PREVENTION PLAN. 7.4.ANY ACTIONS TAKEN 7.5.SIGNATURE 8.THE REPORTS SHALL CONFORM TO THE STANDARDS SET BY THE IOWA DNR. COPIES OF THESE REPORTS SHALL BE FORWARDED TO THE OWNER. 9.THE CONTRACTOR IS TO TAKE NECESSARY ACTIONS TO CORRECT DEFICIENCIES FOUND DURING INSPECTIONS AS SOON AS PRACTICABLE BUT IN NO CASE LATER THAN SEVEN (7) DAYS AFTER THE INSPECTION. 10.RECORDS SHALL BE RETAINED FOR AT LEAST THREE (3) YEARS OR UNTIL PROJECT TERMINATION. NON-STORM WATER DISCHARGES 1.WATER MAIN FLUSHING 1.1.FLUSHED WATER WILL BE DECHLORINATED AND DISCHARGED INTO THE STORM SEWER SYSTEM WHERE, WHEN DISCHARGED, IT WILL UNDERGO EROSION AND SEDIMENT CONTROLS CONSISTING OF: 1.1.1.SILTATION BASINS 1.1.2.ROCK OUTLET PROTECTION (RIPRAP) 1.1.3.SILT FENCING 1.1.4.EXISTING VEGETATION 2.PETROLEUM STORAGE INCLUDING BUT NOT LIMITED TO FUEL, GEAR OIL, ENGINE OIL, HYDRAULIC OIL, WASTE OIL SHALL NOT BE STORED ON SITE. 3.CONCRETE WASHOUT AREAS SHALL BE CONTAINED TO A 50' BY 50' AREA SURROUNDED BY GRAVEL BAGS AND HAVE PLASTIC LINING. 4.PORTABLE TOILETS SHALL HAVE DOWNSLOPE SILT FENCE PROTECTION. THE HOLDING TANK WILL BE PUMPED OUT AS NEEDED AND DISPOSED OFF-SITE FEDERAL CONSTRUCTION AND DEVELOPMENT EFFLUENT GUIDELINES 1.EROSION AND SEDIMENT CONTROLS 1.1.STORM WATER CONTROL STRUCTURE 1.1.1.AN UNDERGROUND STORMWATER DETENTION SYSTEM, DESIGNED BY STORMVAULT AND INSTALLED BY THE CONTRACTOR, WILL BE INSTALLED TO DETAIN THE CHANNEL PROTECTION VOLUME FOR A 1-YEAR, 24-HOUR STORM EVENT. THE SYSTEM SHALL HAVE A STORAGE CAPACITY OF 19,456 CUBIC FEET. OPERATION AND MAINTENANCE SHALL BE THE RESPONSIBILITY OF THE OWNER AND PERFORMED IN ACCORDANCE WITH STORMVAULT’S PUBLISHED OPERATION AND MAINTENANCE GUIDELINES TO ENSURE CONTINUED PERFORMANCE AND COMPLIANCE WITH THE DESIGN INTENT. 1.1.2.A STORMWATER CONTROL STRUCTURE, DESIGNED BY THE ENGINEER OF RECORD (EOR) AND CONSTRUCTED AND INSTALLED BY THE CONTRACTOR, WILL BE INSTALLED TO REGULATE THE VELOCITY OF STORMWATER DISCHARGED FROM THE DETENTION SYSTEM. THE CONTROL STRUCTURE SHALL HAVE A PEAK FLOW RATE OF 0.29 CUBIC FEET PER SECOND (CFS) FOR A 1-YEAR, 24-HOUR STORM EVENT. THE OWNER SHALL INSPECT THE STRUCTURE TWICE ANNUALLY AND FOLLOWING SIGNIFICANT RAINFALL EVENTS TO IDENTIFY AND ADDRESS ANY DEFICIENCIES, ENSURING THE STRUCTURE CONTINUES TO PERFORM IN ACCORDANCE WITH THE DESIGN INTENT. 1.2.MEASURES TO MINIMIZE THE DISTURBANCE OF STEEP SLOPES 1.1.1.LIMIT DISTURBANCE TO ONLY THE AREAS NECESSARY FOR CONSTRUCTION; AVOID GRADING ON SLOPES STEEPER THAN 3:1 UNLESS UNAVOIDABLE. 1.1.2.PHASE CONSTRUCTION SO THAT STEEP SLOPES ARE EXPOSED FOR THE SHORTEST TIME POSSIBLE. 1.1.3.STABILIZE EXPOSED SLOPES IMMEDIATELY AFTER GRADING USING EROSION CONTROL BLANKETS, TURF REINFORCEMENT MATS, OR HYDROSEEDING. 1.1.4.INSTALL SLOPE BREAKS SUCH AS SILT FENCE, WATTLES, OR COIR LOGS AT INTERVALS ALONG LONG SLOPES TO SLOW RUNOFF AND CAPTURE SEDIMENT. 1.1.5.DIVERT UPSLOPE RUNOFF AWAY FROM DISTURBED SLOPES USING DIVERSION SWALES, BERMS, OR SLOPE DRAINS. 1.2.SOIL AND EROSION CONTROL 2.DEWATERING 2.1.DISCHARGES FROM DEWATERING ACTIVITIES, INCLUDING DISCHARGES FROM DEWATERING OF TRENCHES AND EXCAVATION, ARE PROHIBITED UNLESS MANAGED BY APPROPRIATE CONTROLS. 3.PROHIBITED DISCHARGES 3.1.THE FOLLOWING DISCHARGES ARE PROHIBITED: WASTEWATER FROM WASHOUT AND CLEANOUT OF STUCCO, PAINT, FORM RELEASE OILS, CURING COMPOUNDS AND OTHER CONSTRUCTION MATERIALS, FUELS, OILS OR OTHER POLLUTANTS USED IN VEHICLE AND EQUIPMENT OPERATION AND MAINTENANCE, AND SOAPS OR SOLVENTS USED IN VEHICLE AND EQUIPMENT WASHING. 4.PERMANENT STORMWATER MANAGEMENT CONTROLS 4.1.A "STORMSETTLER" HYDRODYNAMIC SEPARATOR (HDS), DESIGNED BY STORMTRAP, WILL BE INSTALLED TO PROVIDE WATER QUALITY TREATMENT FOR A 1.25-INCH STORM EVENT, ACHIEVING AN ANTICIPATED 80% TOTAL SUSPENDED SOLIDS (TSS) REMOVAL EFFICIENCY. THE SYSTEM SHALL BE OPERATED AND MAINTAINED BY OWNER IN ACCORDANCE WITH STORMTRAP’S PROVIDED OPERATION AND MAINTENANCE GUIDELINES TO ENSURE CONTINUED PERFORMANCE AND COMPLIANCE WITH DESIGN INTENT. 5.POLLUTION PREVENTION MEASURES 5.1.CONTRACTOR TO MINIMIZE THE DISCHARGE OF POLLUTANTS FROM EQUIPMENT AND VEHICLE WASHING, WHEEL WASH WATER AND OTHER WASH WATERS. WASH WATERS MUST BE TREATED IN A SEDIMENT BASIN OR ALTERNATIVE CONTROL THAT PROVIDES EQUIVALENT OR BETTER TREATMENT PRIOR TO DISCHARGE. 5.2.MINIMIZE THE EXPOSURE OF BUILDING MATERIALS, BUILDING PRODUCTS, CONSTRUCTION WASTES, TRASH, LANDSCAPE MATERIALS, FERTILIZERS, PESTICIDES, HERBICIDES, DETERGENTS, SANITARY WASTE AND OTHER MATERIALS PRESENT ON THE TO PRECIPITATION AND STORM WATER. 5.3.CONTRACTOR TO MINIMIZE THE DISCHARGE OF POLLUTANTS FROM SPILLS AND LEAKS . OTHER CONTROLS CONTRACTOR TO MINIMIZE OFF-SITE TRACKING OF SEDIMENTS AND GENERATION OF DUST OR EQUIVALENT. SEQUENCE OF MAJOR ACTIVITIES 1.PRE-CONSTRUCTION: SILT FENCE WILL BE PLACED BY THE CONTRACTOR PRIOR TO BEGINNING GRADING OR CLEARING AND GRUBBING OPERATIONS ALONG THE PERIMETER OF THE PROJECT AT LOCATIONS IN WHICH RUNOFF CAN MOVE OFFSITE. VEGETATION IN AREAS NOT NEEDED FOR CONSTRUCTION SHALL BE PRESERVED. THIS SILT FENCE SHALL REMAIN IN PLACE UNTIL FINAL STABILIZATION HAS BEEN ACHIEVED. 2.GRADING: AFTER GRADING OPERATIONS HAVE BEEN COMPLETED, ALL AREAS THAT WILL NOT BE DISTURBED BY SUBSEQUENT CONSTRUCTION ACTIVITIES SHALL BE SEEDED. 3.FINISH GRADING AND SEEDING: FINISH GRADING AND PERMANENT SEEDING SHALL BE COMPLETED AS SOON AS IT IS PRACTICAL. CONTRACTOR 1.CONTRACTOR WILL HAVE A COPY OF THE SWPPP ON SITE. 2.CONTRACTOR SHALL FOLLOW THE SWPPP DOCUMENTATION AND PROCESS FOR MAINTAINING EROSION AND POLLUTION CONTROLS. IF CHANGES ARE REQUIRED BUT NOT MADE WITHIN 72 HOURS OF REQUIRED WEEKLY INSPECTION, IT SHALL BE DOCUMENTED IN THE PLAN WHY IT IS IMPRACTICAL AND WITH AN ESTIMATED COMPLETION DATE AND PROVIDED WITH THE INSPECTION REPORTS. RUS-25008152-A0 MMW NSK AS SHOWN CIVIL SWPP PLAN COVER C-500 NOTE THE CONTRACTOR IS REQUIRED TO TAKE DUE PRECAUTIONARY MEASURES TO PROTECT THE UTILITIES OR STRUCTURES AT THE SITE. IT SHALL BE THE CONTRACTORS RESPONSIBILITY TO NOTIFY THE OWNERS OF UTILITIES OR STRUCTURES CONCERNED BEFORE STARTING WORK. THE CONTRACTOR SHALL NOTIFY THE PROPER UTILITY IMMEDIATELY UPON BREAKING OR DAMAGE TO ANY UTILITY LINE OF APPURTENANCE, OR THE INTERRUPTION OF THEIR SERVICE. HE SHALL NOTIFY THE PROPER UTILITY INVOLVED. IF EXISTING UTILITY LINES ARE ENCOUNTERED THAT CONFLICT IN LOCATION WITH NEW CONSTRUCTION, THE CONTRACTOR SHALL NOTIFY THE ENGINEER SO THAT THE CONFLICT MAY BE RESOLVED. C TOM DEJONGE / VP OF FACILITIES US SIGNAL COMPANY 11/17/25 626-233-7137 JORDAN COGLEY / PROJECT MANAGER ETZEL ENGINEER AND BUILD 11/17/25 412-638-8138 REPORT ANY HAZARDOUS CONDITIONS 1.MODIFY SWPPP WITHIN 5 CALENDAR DAYS OF HAZARDOUS CONDITION. PLAN UPDATE SHALL INCLUDE RELEASE AND CIRCUMSTANCES OF RELEASE AND PLANS TO PREVENT FUTURE REOCCURRENCE OF SUCH RELEASES. THE EPA NATIONAL RESPONSE CENTER (1-800-424-8802) AND THE IOWA DEPARTMENT OF NATURAL RESOURCES 24/7 (515-725-8694) 2.IN THE EVENT OF AN ACCIDENTAL SPILL, IMMEDIATE ACTION SHALL BE TAKEN BY THE SUBCONTRACTOR TO CONTAIN AND REMOVE THE SPILLED MATERIAL. THE SPILL SHALL BE REPORTED TO THE APPROPRIATE AGENCIES NOT MORE THAN SIX HOURS AFTER ONSET OF SAID HAZARDOUS CONDITION OR SPILL. 3.ALL HAZARDOUS M MATERIALS, INCLUDING CONTAMINATED SOIL AND LIQUID CONCRETE WASTE, SHALL BE DISPOSED OF BY THE SUBCONTRACTOR IN THE MANNER SPECIFIED BY FEDERAL, STATE, AND LOCAL REGULATIONS AND BY THE MANUFACTURER OF SUCH PRODUCTS. 4.THE SUBCONTRACTOR SHALL PREPARE A WRITTEN RECORD OF ANY SPILL ASSOCIATED CLEAN-UP ACTIVITIES OF PETROLEUM PRODUCTS OR HAZARDOUS MATERIALS IN EXCESS OF 1 GALLON OR REPORTABLE QUANTITIES, WHICHEVER LESS, ON THE DAY OF THE SPILL. THE SUBCONTRACTOR SHALL PROVIDE WRITTEN NOTICE TO OWNER IMMEDIATELY UPON IDENTIFICATION OF ANY SPILL. F3 F2 F1 SF SF SF SF SFSFSFSF EQUIPMENT MATERIAL STORAGE AREA ( FO FO FO FO FO FO ( ( ((( O W R O W R O W RN89°51'39"E 600.53' S0 0 ° 2 3 ' 0 8 " W 3 6 8 . 0 2 ' S89°51'39"W 509.21' N50 ° 0 7 ' 1 6 " W 1 1 8 . 4 6 ' N0 0 ° 2 4 ' 2 3 " E 2 9 1 . 8 4 ' WV DYH IH IH WV B B B WV DYH IH IH EH IH MB IH IH IH IH NE A L I C E ' S R D R. O . W 1 2 0 ' C O N C R E T E 60 60 3.96' S PROP. BUILDING (WAREHOUSE) PROP. BUILDING (OFFICE) SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF 1 STORY BUILDING MASONRY AND STEEL CONSTRUCTION EXTERIOR BUILDING: 20,093 SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF SF POST CONSTRUCTION FACILITY: STORM WATER QUALITY DEVICE 10 1 4 10 1 4 10 1 6 10 1 8 10 1 4 10 1 2 10 1 4 1014 1014 101 6 1016 1014 101 4 101 4 1014 1014 1014 10 1 4 10 1 4 10 1 4 101 4 10 0 8 10 1 0 10 1 2 10 1 4 1010 1012 100 2 . 0 0 100 2 . 0 0 1004.00 100 4 . 0 0 1006.00 100 6 . 0 0 100 8 . 0 0 101 0 . 0 0 10 1 0 . 0 0 1010.00 100 2 . 0 0 100 4 . 0 0 100 4 . 0 0 100 6 . 0 0 100 6 . 0 0 1006 . 0 0 100 6 . 0 0 10 0 8 . 0 0 1008 . 0 0 10 0 8 . 0 0 1008.00 1010.00 10 1 2 . 0 0 1014.00 1010.00 1010.0 0 1010. 0 0 101 0 . 0 0 1010 . 0 0 1012.00 1012.00 1012.00 1012.00 10 1 2 . 0 0 10 0 4 . 0 0 10 0 4 . 0 0 100 6 . 0 0 10 0 6 . 0 0 100 8 . 0 0 10 0 8 . 0 0 10 1 0 . 0 0 10 1 0 . 0 0 10 1 2 . 0 0 10 1 4 . 0 0 10 1 4 . 0 0 1016.0 0 1018.00 10 1 8 . 0 0 10 1 8 . 0 0 101 8 . 0 0 1018.00 1020.00 1020. 0 0 1010 . 0 0 10 0 8 . 0 0 10 1 4 . 0 0 1016.00 14.5% 12.2% 9.2% 8.7% 3. 3 % 1. 0 % 9.2 % 24.7% 0. 5 % 0.0% 1.1 % 1.6 % 1.9 % 3. 2 % 2. 3 % POST CONSTRUCTION FACILITY: PROP. UNDERGROUND STORM WATER DETENTION SOIL DISTURBANCE AREA XX X XX X X X XX XX XX XX XX XX XX XX XX XX XX XX XX PROP. TEMPORARY ERTEC SLOT GUARD PROP. TEMPORARY TYPICAL INLET PROTECTION PROP. TEMPORARY TYPICAL INLET PROTECTION PROP. TEMPORARY TYPICAL INLET PROTECTION PROP. TEMPORARY TYPICAL INLET PROTECTION PROP. TEMPORARY TYPICAL INLET PROTECTION PROP. TEMPORARY TYPICAL INLET PROTECTION PROP. TEMPORARY CURB INLET PROTECTION XX XX XX XX XX XX XX XX XX XX XX TREE PROTECTION (TYP.) TREE PROTECTION (TYP.) TREE PROTECTION (TYP.) ULTIMATE DISCHARGE LOCATION TO LITTLE WALNUT CREEK TO WALNUT CREEK STOCKPILE LOCATION 63.52'69.23' 1012 1012 PROP. TEMPORARY MANUFACTURED TRACK-OUT PAD XXSF SF PROP. ROCK OUTLET APRON EROSION STONE 5 SF PROP. ROCK OUTLET APRON CLASS "E" 50 TONS POST CONSTRUCTION FACILITY: STORM WATER VELOCITY CONTROL STRUCTURE LEGEND SOIL STABILIZATION PROPOSED FENCE SF TEMPORARY SILT FENCE PROPERTY LINE EASEMENT TEMPORARY INLET PROTECTION TEMPORARY CONCRETE WASHOUT X TEMPORARY TREE PROTECTION DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 12/12/25 north 0 40'20' SCALE 1" = 20' SM GENERAL NOTES 1.CONTRACTOR SHALL MAKE ARRANGEMENTS FOR THE PROPER BRACING, SHORING AND OTHER REQUIRED PROTECTION OF ALL ROADWAYS AND EXCAVATIONS BEFORE CONSTRUCTION BEGINS. 2.IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE EXISTING CONDITION, INCLUDING BUT NOT LIMITED TO, THE PROPERTY BOUNDARY, THE BENCHMARK, EXISTING BUILDING, PAVEMENT AND GROUND ELEVATIONS AND UTILITY HORIZONTAL AND VERTICAL LOCATIONS BEFORE THE START OF CONSTRUCTION. 3.CONTRACTOR SHALL REPAIR AND REPLANT ANY EXISTING GRASS OR SOIL THAT IS DISTURBED BY CONSTRUCTION ACTIVITY. 4.LOCATIONS OF ALL UTILITY LINES TO BE FIELD VERIFIED WITHIN AREA OF WORK. CONTRACTOR TO NOTIFY OWNER/ENGINEER OF ANY DISCREPANCIES. 5.CONTRACTOR SHALL OBTAIN ALL NECESSARY JURISDICTIONAL PERMITS AND APPROVALS PRIOR TO CONSTRUCTION BEGINNING, INDCLUDING IOWA DNR GENERAL PERMIT #2 AND CITY OF WAUKEE COSESCO PERMIT. 6.THE TOPOGRAPHIC SURVEY WAS PROVIDED BY MCCLURE, JOB NO. 2025001453-000, DATED 06/18/2025. THESE IMPROVEMENT PLANS DO NOT WARRANT THE ACCURACY OF THE PROVIDED SURVEY. 7.THE GEOTECHNICAL REPORT WAS PROVIDED BY TERRACON, JOB NO. 08245197-01, DATED 08/05/2025. ACTUAL CONDITIONS OF SOILS, PAVEMENTS, ETC. MAY VARY FROM THIS REPORT. THE CONTRACTOR SHALL BE RESPONSIBLE FOR CONFIRMING CONDITIONS FOUND IN THE FIELD AND REPORT VARIANCES FROM ASSUMPTIONS IN THE GEOTECHNICAL REPORT TO THE ENGINEER. 8.VERTICAL DATUM ELEVATIONS ARE BASED ON THE NORTH AMERICAN VERTICAL DATUM OF 1988 (NAVD88). SWPP/SESC NOTES 1.CONTRACTOR SHALL BE RESPONSIBLE FOR EROSION AND SEDIMENTATION CONTROL AS DETAILED IN THE STORMWATER POLLUTION PREVENTION (SWPP) PLAN TO PREVENT TRANSMISSION OF SEDIMENT TO THE DRAINAGE FACILITIES. 2.EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO, OR AS THE FIRST PART OF CONSTRUCTION. SEDIMENT CONTROL MEASURES MUST PROTECT ALL DRAINAGE FACILITIES FROM SEDIMENTATION. 3.EROSION AND SEDIMENT CONTROL MEASURES TO BE INSPECTED DAILY. REPAIRS TO BE MADE AS NECESSARY AND WITHIN 24 HOURS OF INSPECTION. 4.EROSION CONTROL MEASURES SHALL BE INSTALLED AROUND ANY DIRT OR TOPSOIL STOCKPILES AND OTHER TEMPORARILY DISTURBED AREAS. 5.ALL EROSION AND SEDIMENTATION CONTROL MEASURES SHALL BE REMOVED AND DISPOSED OF IN ACCORDANCE WITH ALL JURISDICTIONAL GOVERNMENTAL AGENCY REQUIREMENTS WITHIN 30 DAYS OF FINAL STABILIZATION. 6.CONTRACTOR TO MINIMIZE COMPACTION ON AREAS TO BE REGRADED AND PRESERVE TOP SOIL WHERE FEASIBLE. 7.ALL SAWCUTTING AND GRINDING OPERATIONS SHALL INCLUDE FULL CONTAINMENT OF SLURRY TO PREVENT DISCHARGE INTO STORM DRAINS, WATERWAYS, OR SURROUNDING SOIL. SLURRY SHALL BE COLLECTED USING APPROVED VACUUM OR CONTAINMENT METHODS AND STORED IN LEAK-PROOF CONTAINERS. DISPOSAL SHALL COMPLY WITH ALL APPLICABLE LOCAL, STATE, AND FEDERAL REGULATIONS, INCLUDING THOSE GOVERNING NON-HAZARDOUS LIQUID WASTE. UNDER NO CIRCUMSTANCES SHALL SLURRY BE ALLOWED TO ENTER THE STORMWATER SYSTEM OR FLOW OFFSITE. 8.IN THE EVENT THAT SEEDING DOES NOT OCCUR PRIOR TO WINTER, ALL DISTURBED AREAS WILL BE MULCHED. 9.THE CONTRACTOR SHALL FIELD ADJUST AND/OR PROVIDE ADDITIONAL EROSION CONTROL BMP'S AS NEEDED TO PREVENT EROSION AND OFF-SITE SEDIMENT DISCHARGE FROM THE CONSTRUCTION SITE LOG AND RECORD ANY ADJUSTMENTS AND DEVIATIONS FROM THE APPROVED EROSION CONTROL PLANS WITHIN THE SWPPP DOCUMENTS STORED IN JOB SITE TRAILER. EROSION AND SEDIMENT CONTROLS SILT FENCE: 1800 L.F. SEEDING/MULCHING/SODDING: 1 AC. CRUSHED STONE FOR TEMPORARY CONSTRUCTION ENTRANCE: 170 SY INLET PROTECTION FILTERS: 8 RUS-25008152-A0 MMW NSK AS SHOWN CIVIL SWPP PLAN C-501 C C C DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE TREE PROTECTION FENCING NOT TO SCALE 18" AREA GRADE MIN. 12-1/2 GA. INTERMEDIATE WIRES WOVEN WIRE FABRIC ORANGE, UV RESISTANT, VARIABLE AS DIRECTED BY THE ENGINEER POLY BARRICADE FABRIC (TYPICAL) HIGH - TENSILE STRENGTH, THAN ONE SIGN PER PROTECTION AREA. DEPARTMENT BASED ON ACTUAL FIELD CONDITIONS. ORANGE, UV RESISTANT, HIGH - TENSILE STRENGTH, POLY BARRICADE FABRIC (TYPICAL) STEEL POST GRADE WARNING SIGN THEREAFTER. THEREAFTER. NOTES:2' - 0 " SIDE VIEW WI D T H 32 " M I N . 3' - 0 " 26 " MIN. 10 GA. LINE WIRES AREA WARNING SIGN 4" 3" 4" 3" 4" TREE PROTECTION DO NOT ENTER 8' MAX. FRONT VIEW FOR TREE PROTECTION AREAS LESS THAN 200' IN PERIMETER, PROVIDE NO LESS PLACE A SIGN AT EACH END OF LINEAR TREE PROTECTION AND 50' ON CENTER ADDITIONAL SIGNS MAY BE REQUIRED BY CITY OF GREEN BAY INSPECTIONS PLACE A SIGN AT EACH END OF LINEAR TREE PROTECTION AND 50' ON CENTER LETTERS TO BE 3" HIGH MINIMUM, CLEARLY LEGIBLE AND SPACED AS DETAILED. ATTACH SIGNS SECURELY TO FENCE POSTS AND FABRIC. SIGNS SHALL BE PLACED AT 50' MAXIMUM INTERVALS. MAINTAIN TREE PROTECTION FENCE THROUGHOUT DURATION OF PROJECT. WARNING SIGNS TO BE MADE OF DURABLE, WEATHERPROOF MATERIAL. WARNING SIGN DETAIL DO NOT ENTER TREE PROTECTION 40" AN ALTERNATE 3/4" TO 1" GRAVEL FILTER OVER A WIRE SCREEN MAY BE USED IN PLACE OF GRAVEL BAGS. THE WIRE MESH SHALL EXTEND ABOVE THE TOP OF THE CONCRETE BLOCKS AND THE GRAVEL PLACED OVER THE WIRE SCREEN TO THE TOP OF THE CONCRETE BLOCKS. FLOW SECTIONPLAN BAGS GRAVEL BLOCKS 16" CINDER GUTTER CURB BAGS GRAVEL BLOCKS 16" CINDER MAINTENANCE REQUIREMENTSINSTALLATION REQUIREMENTS BLOCK AND GRAVEL BAG CURB INLET PROTECTION NOTES 1. INLET PROTECTION SHALL BE INSTALLED IMMEDIATELY AFTER CONSTRUCTION OF INLET. 2. CONCRETE BLOCKS ARE TO BE LAID AROUND THE INLET IN A SINGLE ROW ON THEIR SIDES, ABUTTING ONE ANOTHER WITH THE OPEN ENDS OF THE BLOCK FACING OUTWARD. 3. GRAVEL BAGS ARE TO BE PLACED AROUND THE CONCRETE BLOCKS CLOSELY ABUTTING ONE ANOTHER SO THERE ARE NO GAPS. 4. GRAVEL BAGS ARE TO CONTAIN WASHED SAND OR GRAVEL APPROXIMATELY 3/4 INCH IN DIAMETER. 5. BAGS ARE TO BE MADE OF 1/4" INCH WIRE MESH (USED WITH GRAVEL ONLY) OR GEOTEXTILE. 1. CONTRACTOR SHALL INSPECT INLET PROTECTION IMMEDIATELY AFTER EACH RAINFALL, AT LEAST DAILY DURING PROLONGED RAINFALL, AND WEEKLY DURING PERIODS NO RAINFALL. 2. DAMAGED OR INEFFECTIVE INLET PROTECTION SHALL PROMPTLY BE REPAIRED OR REPLACED. 3. SEDIMENT SHALL BE REMOVED WHEN SEDIMENT HAS ACCUMULATED TO APPROXIMATELY 1/2 THE DESIGN DEPTH OF THE TRAP. 4. INLET PROTECTION SHALL BE REMOVED WHEN ADEQUATE VEGETATIVE COVER IS ATTAINED WITHIN THE DRAINAGE AREA AS APPROVED BY THE CITY. CURB INLET PROTECTION N.T.S. CONCRETE WASHOUT NOT TO SCALE GENERAL NOTES: SECTION PLAN 12'10' 12' 10' GRAVEL BAGS EXCAVATION 12" GRAVEL BAGS 1. SECURE POLYETHYLENE LINING WITH UV-STABILIZED GEOTEXTILE FABRIC SANDBAGS. 2. POLYETHYLENE LINING SHALL BE 10MM MIN. AND FREE OF HOLES, TEARS, OR OTHER DEFECTS. THE SHEET SHALL BE APPROPRIATELY SIZED TO FIT THE ENTIRE WASHOUT SYSTEM WITHOUT SEAMS OR OVERLAPS. REPLACE LINER AS NECESSARY. 3. EXCAVATION SHALL BE A 10'x10' MIN. AND SIZED TO CONTAIN ALL LIQUID AND WASTE EXPECTED TO BE GENERATED. 1. 5 " GENERAL NOTES: FRAME: TOP FLANGE FABRICATED FROM 1 1 4"X1 1 4"X1/R" ANGLE. BASE RIM FABRICATED FROM 1 1 2"X1 2"X1/R" CHANNEL. HANDLES AND SUSPENSION BRACKETS FABRICATED FROM 1 1 4"X1 4" FLAT STOCK. ALL DOMESTIC STEEL CONFORMING TO ASTM-A36. SEDIMENT BAG: BAG FABRICATED FROM 4 OZ/SQ.YD. NON-WOVEN POLYPROPYLENE GEOTEXTILE REINFORCED WITH POLYESTER MESH. BAG SECURED TO BASE RIM WITH A STAINLESS STEEL STRAP AND LOCK. TYPICAL INLET PROTECTION N.T.S. SM RUS-25008152-A0 MMW NSK AS SHOWN CIVIL SWPP DETAILS C-502 D SEE PLANS D=24"=2' L=13' W=L+D=15' T=0.75'' D=66"=5.5' L=35' W=41.5' T=1.05' c DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE SM SITE PLAN 3RD REVIEW RUS-25008152-A0 MMW NSK AS SHOWN CIVIL DETAILS C-600 CONCRETE FILL WEIR WALL ORIFICE OPENING 3" CONCRETE FILL WEIR WALL ORIFICE OPENING INFLOW FROM VAULT OUTFLOW 6.0' A B SECTION B SECTION A TOP CONTROL STRUCTURE (ST-5) N.T.S. INFLOW FROM VAULT OUTFLOW Lowest Flowline Depth (12'-0'' max.) Adjustment Rings 4t1 Top Wall Height Wall 4' Weir Wall 8" min. Class I Bedding Material Base Reinforcing 6' OV E R F L O W T O V A U L T TO HDS DEVICEINFLOW FROM SITE INFLOW FROM SITE TO HDS DEVICE Weir Wall TOP SECTION A A DIVERSION STRUCTURE (ST-3) N.T.S. INVERT ELEV = 1006.28 ELEV: 1006.28 ELEV: 1006.28 ELEV: 1009.13 ELEV: 1013.17 INV: 1006.28 ELEV: 1006.64 ELEV: 1006.54 ELEV: 1006.64 ELEV: 1007.50 ELEV: 1012.59 DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE SM SITE PLAN 3RD REVIEW RUS-25008152-A0 MMW NSK AS SHOWN CIVIL DETAILS C-601 DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE SM SITE PLAN 3RD REVIEW RUS-25008152-A0 MMW NSK AS SHOWN CIVIL DETAILS C-602 DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE SM SITE PLAN 3RD REVIEW RUS-25008152-A0 MMW NSK AS SHOWN CIVIL DETAILS C-603 c DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE SM SITE PLAN 3RD REVIEW RUS-25008152-A0 MMW NSK AS SHOWN CIVIL DETAILS C-604 c DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE SM SITE PLAN 3RD REVIEW RUS-25008152-A0 MMW NSK AS SHOWN CIVIL DETAILS C-605 c DE S M O I N E S D A T A C E N T E R DRAWING NUMBER DRAWING TITLE PROJECT NUMBER: PROJECT DATE: DRAWN BY: CHECKED BY: SCALE: NO. DATE REVISION SEAL US S i g n a l 39 0 N E A l i c e ' s R o a d Wa u k e e , I A 5 0 2 6 3 R 2 0 5 W e s t W a t e r S t r e e t , S a x o n b u r g P A 1 6 0 5 6 PH ( 7 2 4 ) 5 2 4 - 1 2 8 0 W W W . E t z e l E n g B l d . C o m 27 7 7 7 F r a n k l i n R o a d , Su i t e 1 5 1 0 So u t h f i e l d , M I 4 8 0 3 4 U. S . A . t: + 1 . 2 4 8 . 3 5 1 . 8 2 0 0 ww w . e x p . c o m ex p U . S . S e r v i c e s I n c . 07/22/25 DD ISSUE 12/12/25 10/22/25 SITE PLAN 2ND REVIEW 08/26/25 SITE PLAN REVIEW 10/10/25 BID/PERMIT ISSUE 10/31/25 ADDENDUM A 10/24/25 BUILDING PERMIT ISSUE 12/12/25 SITE PLAN 3RD REVIEWc 09/12/25 75% ISSUE CONCRETE PAVEMENT NOT TO SCALE PROP. 12" STABILIZED STRUCTURAL FILL (LBR 40) COMPACTED TO 98% MAX DENSITY PER AASHTO T-180 PROP. 7" 4000 PSI PCC PROP.4" AGGREGATE BASE IADOT COMPACTED TO 98% MAX DENSITY PER AASHTO T-180 BROOM FINISH STABILIZE AND PROOF ROLL EXISTING SUBGRADE PER GEOTECHNICAL REPORT RECOMMENDATIONS CONCRETE SIDEWALK SECTION NOT TO SCALE 0.5" SEE NOTE 3 VARIES (REFER TO PLAN)SOD/GRAVEL NOTE: 1.CONCRETE TO BE CLASS 1, 3,000 PSI IN 28 DAYS. 2.4" THICK MIN. (TYP.) 3.SIDEWALK SLOPES SHALL MEET THE REQUIREMENTS OF THE AMERICANS WITH DISABILITIES ACT. 4.PROVIDE 1/8" CONSTRUCTION JOINTS AT 5' C.C., MIN DEPTH 1/2". PROVIDE 1/2" EXPANSION JOINTS WITH NON-RISING FILLER AT 30' C.C, ABUTTING CURB, OTHER WALKS OR STRUCTURES, AND CHANGES OF DIRECTION. 5.CURE ALL CONCRETE WITH CLEAN SAND, PLASTIC MEMBRANE, OR OTHER APPROVED METHOD. 6.REFER TO HARDSCAPE PLANS FOR COLORING AND FINISHES, IF APPLICABLE. PROP. 8" COMPACTED SUBGRADE (LBR 40) COMPACTED TO 95% MAX DENSITY PER AASHTO T-180 FINISHED GRADE 2% SLOPE, MAX CURB/PAVEMENT $250 FINE RESERVED PARKING ADA PARKING SPACE SM SITE PLAN 3RD REVIEW RUS-25008152-A0 MMW NSK AS SHOWN CIVIL DETAILS C-606 CONCRETE BOLLARD NOT TO SCALE 1/2 " WASH 6" SCHEDULE 80 STEEL POST, FILLED WITH CONC., 3,000 PSI MIN. STRENGTH @ 28 DAYS ROUND CONC. TOP AS SHOWN FINISHED GRADE 4' - 0 " 4' - 4 " 4' - 0 " 4" 18" MIN. 6" MIN. c