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OHPOHPOHPOHPOHPOHPOHPOHPOHP
<br />SNSNSNSNSNSNSNSNSNSNIIIIIIIIIISNSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTSTST
<br />S
<br />T
<br />S
<br />T
<br />S
<br />T
<br />S
<br />T
<br />ST ST
<br />STSTSTSTSTSTCURB & GUTTER
<br />CURB & GUTTERCURB & GUTTERVALLEY GUTTERVALLEY GUTTERCURB & GUTTERGARAGE
<br />BUILDING
<br />FLOOR ELEV.=946.15
<br />SITE BENCHMARK
<br />TOP HUT HYDRANT
<br />ELEV.=953.00
<br />ST
<br />ST
<br />SN
<br />GARAGE
<br />RIM=944.55
<br />INV(S)=938.25
<br />INV(E)=938.15
<br />RIM=938.94
<br />INV(E)=931.74
<br />INV(W)=933.04
<br />RIM=944.28
<br />INV=940.06
<br />RIM=945.85
<br />INV(E)=935.02
<br />INV(N)=935.39
<br />INV(W)=936.80
<br />RIM=940.38
<br />INV=937.55
<br />RIM=925.31
<br />INV=921.76
<br />RIM=931.32
<br />INV=925.92
<br />RIM=943.47
<br />INV=930.83
<br />RIM=948.09
<br />INV=932.62 SN 400C
<br />RETAINING WALL
<br />N 89°25'03" E 298.82
<br />S 00°10'57" E 124.63S 89°24'24" W 298.51N 00°19'27" W 124.68(PLATTED AS OAKWOOD DRIVE)STSTSTSTSTSTST93
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<br />945
<br />946
<br />947
<br />948
<br />949
<br />950
<br />951
<br />952
<br />941
<br />942
<br />943944
<br />945944
<br />947
<br />948
<br />949945
<br />946
<br />947948949950941
<br />940
<br />945
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<br />939
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<br />93
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<br />937
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<br />8 93393
<br />2931
<br />OHPOHPOHPOHPOHPOHPOHPOHPOHP951950
<br />0 20 40
<br />SCHULTZ ENG. PROJECT NO.: 25005
<br />DRAWN BY: NES
<br />REVIEWED BY: BJS
<br />© SCHULTZ ENGINEERING & SITE
<br />DESIGN, PLLC 2025
<br />I HEREBY CERTIFY THAT THIS PLAN,
<br />SPECIFICATION OR REPORT WAS
<br />PREPARED BY ME OR UNDER MY DIRECT
<br />SUPERVISION AND THAT I AM A DULY
<br />LICENSED ENGINEER UNDER THE LAWS
<br />OF THE STATE OF MINNESOTA
<br />18 SOUTH RIVERSIDE AVENUE, SUITE 230
<br />SARTELL, MINNESOTA 56377
<br />PH: (320) 339-0669
<br />FX: (866) 633-1830
<br />schultzeng@live.com
<br />www.schultzengdesign.com
<br />FOSS ROAD
<br />ST. ANTHONY VILLAGE, MN
<br />C4
<br />SCALE: 1"=20'
<br />N
<br />GRADING PLAN
<br />ABLE VIEW
<br />ASSISTED LIVING
<br />DATENO.
<br />1
<br />2
<br />ISSUE DATE: 03/31/2025
<br />xx/xx/2025
<br />xx/xx/2025
<br />REVISIONS
<br />SCHULTZ ENGINEERING& SITE DESIGN
<br />DESCRIPTION
<br />3 xx/xx/2025
<br />4 xx/xx/2025
<br />CIVIL SHEET INDEX
<br />C1 - STANDARD NOTES & SPECIFICATIONS
<br />C2 - STANDARD DETAILS
<br />C3 - DEMOLITION & REMOVALS PLAN
<br />C4 - GRADING PLAN
<br />C5 - SWPPP - STANDARD NOTES
<br />C6 - SWPPP - PLAN VIEW
<br />C7 - UTILITY & PAVING PLAN
<br />EX-FL
<br />HP
<br />EX EX EX EX
<br />HP
<br />EX-FL
<br />EX-FL
<br />GRADING NOTES:
<br />3. EXISTING TOPOGRAPHICAL INFORMATION WAS OBTAINED FROM A TOPOGRAPHICAL SURVEY
<br />COMPLETED BY O'MALLEY & KRON LAND SURVEYORS, COLD SPRING, MN. (320) 685-5905
<br />4. BENCHMARK: TOP NUT OF HYDRANT LOCATED APPROX. 12-FT NORTHWEST OF SOUTHWEST
<br />PROPERTY CORNER, ON THE EAST SIDE OF FOSS ROAD (SEE PLAN) - ELEV = 953.00.
<br />2. NOTIFY ENGINEER IMMEDIATELY IF ANY INCONSISTENCIES ARE DISCOVERED BETWEEN ACTUAL
<br />SITE CONDITIONS AND WHAT IS SHOWN ON THE PLANS, WHICH ARE SIGNIFICANT ENOUGH TO
<br />ALTER THE INTENT OF THE DRAWINGS.
<br />5. CONTRACTOR SHALL CONTACT GOPHER ONE CALL AT (800) 252-1166 FOR A UTILITY LOCATE
<br />PRIOR TO THE START OF CONSTRUCTION AND VERIFY LOCATIONS OF EXISTING UTILITIES BEFORE
<br />BEGINNING WORK.
<br />6. SEE SHEET C2 FOR STANDARD DETAILS.
<br />14. ALL SPOT ELEVATIONS AND CONTOURS INDICATED ON THIS PLAN ARE INTENDED TO PROVIDE
<br />ADEQUATE POSITIVE DRAINAGE TOWARDS CATCH BASINS, CURB CUTS, PONDS, BASINS AND/OR
<br />OTHER OUTLETS. THE CONTRACTOR SHALL BE RESPONSIBLE TO CONSTRUCT SPECIFIED SURFACE
<br />INFRASTRUCTURE TO ELEVATIONS AND GRADES INDICATED ON THIS PLAN, AS WELL AS ENSURE
<br />THAT ADEQUATE POSITIVE DRAINAGE IS CONSTRUCTED AND MAINTAINED THROUGHOUT THE
<br />ENTIRE SITE AND/OR CONSTRUCTION AREA.
<br />1. CONTRACTOR SHALL FIELD VERIFY ALL EXISTING SITE CONDITIONS INCLUDING, BUT NOT LIMITED
<br />TO, THE FOLLOWING:
<br />* LOCATIONS, DEPTHS, SIZES, AND MATERIAL TYPES OF EXISTING SANITARY, WATER, AND
<br />STORM SEWER UTILITIES, INCLUDING EXISTING STUBS
<br />* RIM AND INVERT ELEVATIONS OF EXISTING SANITARY AND STORM SEWER UTILITIES,
<br />INCLUDING EXISTING STUBS
<br />* LOCATIONS AND DEPTHS OF EXISTING NON-SEWER AND NON-WATER UTILITIES (IE: GAS,
<br />ELECTRIC, COMMUNICATIONS, ETC.)
<br />* EXISTING ABOVE-GROUND INFRASTRUCTURE AND SITE FEATURES
<br />12. SPOT ELEVATIONS INDICATED ON THIS PLAN REPRESENT FINISHED SURFACE ELEVATIONS,
<br />UNLESS NOTED OTHERWISE.
<br />SPOT ELEVATIONS LOCATED ALONG CURB & GUTTER OR THICKENED EDGE SIDEWALK REPRESENT
<br />FLOWLINE ELEVATIONS OF GUTTER SECTION OR ADJACENT PAVEMENT. TOP-OF-CURB OR
<br />TOP-OF-THICKENED EDGE SIDEWALK SURFACE ELEVATIONS ARE 6" ABOVE THE FLOW LINE SPOT
<br />ELEVATION SHOWN ON THE PLANS, UNLESS NOTED OTHERWISE.
<br />11. CONTRACTOR SHALL PERFORM ALL NECESSARY CALCULATIONS TO VERIFY EARTHWORK
<br />QUANTITIES. CONTRACTOR'S BID RELATED TO EARTHWORK, CUTTING, FILLING, GRADING , ETC.
<br />SHALL BE BASED ON EARTHWORK CALCULATIONS COMPLETED BY THE CONTRACTOR.
<br />16. CONTRACTOR SHALL CONTRACT WITH A LICENSED STRUCTURAL ENGINEER FOR DESIGN OF
<br />ANY RETAINING WALLS SHOWN ON THIS PLAN.
<br />17. LINEAL FOOTAGE AND HEIGHTS OF ANY RETAINING WALLS SHOWN ON THIS PLAN ARE
<br />ESTIMATED, BASED ON THE TOPOGRAPHIC SURVEY BACKGROUND, AND SHALL BE VERIFIED BY
<br />THE CONTRACTOR IN THE FIELD.
<br />NOTE: CADD FILES FOR ESTIMATING EARTHWORK QUANTITIES ARE AVAILABLE TO CONTRACTORS
<br />FOR PREPARING BIDS. IN ORDER TO RECEIVE THE CADD FILES, THE CONTRACTOR WILL NEED TO
<br />SIGN A HOLD-HARMLESS AGREEMENT PROVIDED BY SCHULTZ ENGINEERING & SITE DESIGN, AND
<br />AGREE TO PAY A $50 PROCESSING FEE. THE CADD FILES WILL BE RELEASED UPON RECEIPT OF
<br />THE CHECK
<br />7. ALL LENGTHS OF STORM SEWER OR CULVERT PIPE SPECIFIED ON THIS PLAN INCLUDE THE
<br />LENGTHS OF ANY ASSOCIATED FLARED END SECTIONS.
<br />10. FINISHED ELEVATIONS OF LANDSCAPED AREAS IMMEDIATELY ADJACENT TO BUILDINGS SHALL
<br />BE A MINIMUM OF 6" BELOW FINISHED FLOOR OR TOP-OF-BLOCK ELEVATION, UNLESS NOTED
<br />OTHERWISE ON THE PLAN.
<br />8. TRASH GUARDS SHALL BE INSTALLED ON ALL STORM SEWER END SECTIONS.
<br />IF REQUIRED BY THE MN DEPT. OF LABOR AND INDUSTRY (MNDLI), OWNER AND/OR CONTRACTOR
<br />SHALL SUBMIT FOR STATE PLUMBING REVIEW, AND OBTAIN AN APPROVED PLUMBING REVIEW
<br />REPORT FROM MNDLI, PRIOR TO THE INSTALLATION OF ANY STORM SEWER UTILITIES.
<br />CONSTRUCTION OF STORM SEWER UTILITIES SHALL NOT COMMENCE UNTIL AFTER THE APPROVED
<br />PLUMBING REVIEW REPORT HAS BEEN OBTAINED, AND ANY AND ALL PERTINENT COMMENTS
<br />HAVE BEEN ADDRESSED ON THE PLANS AND IN THE PROJECT SPECIFICATIONS. CONTRACTOR IS
<br />ADVISED TO ORDER STORM SEWER UTILITY MATERIALS AFTER APPROVED PLUMBING REVIEW
<br />REPORT HAS BEEN OBTAINED FROM MNDLI
<br />13. SPOT ELEVATION DESIGNATIONS:
<br />* "EX" DENOTES EXISTING SPOT ELEVATION
<br />* "HP" DENOTES HIGH POINT
<br />* "FL" DENOTES FLOWLINE
<br />* "BC" DENOTES BACK OF CURB
<br />* "EC" DENOTES EDGE OF CONCRETE
<br />* "EP" DENOTES EDGE OF PAVEMENT
<br />* "BD" DENOTES GRADE AT BUILDING BELOW DECK
<br />18. CONTRACTOR SHALL PROVIDE RAILING ALONG RETAINING WALL AS REQUIRED BY CODE.
<br />9. STORM SEWER STRUCTURE DESIGNATIONS:
<br />* "CB" DENOTES PRECAST CONCRETE CATCH BASIN
<br />* "NP" DENOTES NYLOPLAST CATCH BASIN
<br />* "STMH" DENOTES PRECAST CONCRETE STORM SEWER MANHOLE
<br />* "STCO" DENOTES STORM SEWER CLEANOUT
<br />* "("XX" ID)" DENOTES INTERIOR DIAMETER OF STRUCTURE
<br />15. CONTRACTOR SHALL HIRE A LICENSED SURVEYOR TO PROVIDE STAKING FOR THE
<br />CONSTRUCTION OF THE FILTRATION BASIN. THE CONTRACTOR IS RESPONSIBLE TO CONSTRUCT THE
<br />FILTRATION BASIN TO THE SIZE AND ELEVATIONS INDICATED ON THE PLAN, SUCH THAT IT CONTAINS
<br />THE STORAGE VOLUME(S) ASSUMED IN IT'S DESIGN.
<br />FILTRATION BASIN (FB1)1
<br />HAALA PS48-58S CASTING W/ WEDGE
<br />ANCHORS, OR APPROVED EQUIVALENT
<br />(INSTALL PER MANUFACTURER'S
<br />REQUIREMENTS AND SPECIFICATIONS
<br />EX-FL
<br />EX-FL BD
<br />BD
<br />BD
<br />DATE: 03/31/2025
<br />944
<br />942
<br />940
<br />936940938942946946
<br />948950
<br />93
<br />8
<br />9
<br />3
<br />6 940940
<br />9409429369389
<br />4
<br />6
<br />944946
<br />94
<br />4 944PROPOSED BUILDING
<br />FFE = 948.25
<br />RETAINING WALL #1
<br />HEIGHT = 0 TO 5.0-FT
<br />LENGTH = 200-FT
<br />CB1 (27" ID)
<br />RIM = 945.60
<br />INV = 942.60
<br />CB2 (48" ID)
<br />RIM = 943.00
<br />INV = 939.50
<br />SUMP = 935.50
<br />174 LF
<br />12" HDPE
<br />@ 1.78%
<br />42 LF
<br />12" HDPE
<br />@ 1.67%
<br />CLEANOUT (CO1)
<br />RIM = 947.05
<br />INV = 943.58
<br />CLEANOUT (CO2)
<br />RIM = 946.75
<br />INV = 941.98
<br />CLEANOUT (CO3)
<br />RIM = 943.65
<br />INV = 940.38
<br />CLEANOUT (CO5)
<br />RIM = 949.90
<br />INV W = 944.85
<br />INV E = 943.55
<br />CLEANOUT (CO4)
<br />RIM = 950.85
<br />INV = 946.85
<br />100 LF
<br />4" SCH 40 PVC
<br />@ 2.00%100 LF
<br />6" SCH 40 PVC
<br />@ 2.00%
<br />12" FLARED
<br />END SECTION
<br />INV = 938.80
<br />12" FLARED
<br />END SECTION
<br />INV = 938.80
<br />44 LF
<br />6" PVC
<br />@ 2.00%
<br />80 LF
<br />6" PVC
<br />@ 2.00%
<br />80 LF
<br />4" PVC
<br />@ 2.00%FILTRATION BASIN (FB1)
<br />(SEE 1/C3)
<br />BOTTOM OF BASIN = 935.80
<br />BASIN OUTLET = 938.80
<br />TOP OF BASIN = 941.00
<br />WATER QUALITY LEVEL = 937.80
<br />100-YR PEAK HWL = 940.02
<br />BASIN EMERGENCY OVERFLOW = 940.10
<br />TOP OF BERM
<br />ELEV = 945.00 (TYP)
<br />TOP OF BERM
<br />ELEV = 941.00 (TYP)
<br />NOTE: BUILDING DOWNSPOUTS TO BE CONNECTED TO
<br />ADJACENT STORM SEWER "MAIN" VIA 4" PVC LATERALS
<br />WITH ALL NECESSARY FITTINGS, BENDS, AND WYES.
<br />VERIFY DOWNSPOUT LOCATIONS WITH ARCHITECTURAL.
<br />STMH2 (48" ID)
<br />RIM = 945.25
<br />INV W = 941.55
<br />INV NE, NW = 939.24
<br />SUMP = 935.24
<br />4" SCH 40 PVC
<br />@ 2.00%
<br />(TYP)
<br />4" SCH 40 PVC
<br />@ 2.00%
<br />(TYP)
<br />4" SCH 40 PVC
<br />@ 2.00%
<br />(TYP)
<br />4" SCH 40 PVC
<br />@ 2.00% (TYP)
<br />14 LF
<br />12" HDPE
<br />@ 2.00%
<br />10 LF
<br />12" HDPE
<br />@ FLAT
<br />OUTLET CONTROL
<br />STRUCTURE (OCS1)
<br />(SEE 1/C3)
<br />BASIN EMERGENCY OVERFLOW
<br />ELEV = 940.10 (TYP)
<br />CONNECT TO EXISTING
<br />18" RCP STORM SEWER
<br />W/ NEW MANHOLE
<br />INV = 928.19
<br />(FIELD VERIFY)
<br />STMH3 (48" ID)
<br />RIM = 937.90
<br />INV S = 933.52
<br />INV E/W = 928.19
<br />DEMOLITION LIMITS (TYP)
<br />(AT PROPERTY LINE)
<br />NOTE: BUILDING DOWNSPOUTS TO BE CONNECTED TO
<br />ADJACENT STORM SEWER "MAIN" VIA 4" PVC LATERALS
<br />WITH ALL NECESSARY FITTINGS, BENDS, AND WYES.
<br />VERIFY DOWNSPOUT LOCATIONS WITH ARCHITECTURAL.
<br />3:
<br />1
<br />3:118" SOIL MEDIUM:
<br />70% CLEAN SAND & 30%
<br />COMPOST MIX (MN STORM
<br />WATER MANUAL MIX "B")
<br />LENGTH VARIES
<br />INVERT
<br />BOTTOM
<br />BASINBOTTOM
<br />SAND-MEDIUM
<br />BASIN OUTLET
<br />12" HDPE
<br />(SEE PLAN)
<br />PERFORATED DRAINTILE
<br />SURROUNDED BY 1"-2"
<br />WASHED CRUSHED ROCK
<br />(4" DRAINTILE UNLESS
<br />NOTED OTHERWISE)
<br />NON-PERFORATED DRAINTILE
<br />OUTSIDE OF BASIN SECTION
<br />(4" DRAINTILE UNLESS NOTED
<br />OTHERWISE)
<br />MNDOT 3733 TYPE 1 FILTER
<br />FABRIC OVERLYING
<br />CRUSHED ROCK / DRAINTILE
<br />FILTRATION BASIN ELEVATIONS
<br />FILTRATION
<br />BASIN
<br />FB1
<br />DRAINTILE
<br />INVERT
<br />933.80
<br />SAND
<br />BOTTOM
<br />934.30
<br />BASIN
<br />BOTTOM
<br />935.80
<br />BASIN
<br />OUTLET
<br />938.80
<br />12" HDPE
<br />(SEE PLAN)
<br />OVERFLOW
<br />GRATE
<br />TOP OF
<br />BERM
<br />941.00
<br />TOP OF
<br />BERM
<br />OVERFLOW
<br />GRATE
<br />941.00
<br />12" FES (SEE PLAN)
<br />NOTE: BOTTOM OF BASIN TO
<br />BE PROVIDED WITH NATIVE
<br />PLANTINGS AND/OR PLUGS
<br />UPSTREAM CLEANOUT
<br />4" SCH 40 PVC
<br />NON-PERFORATED
<br />WATERTIGHT
<br />CAP
<br />DOWNSTREAM
<br />CLEANOUT
<br />4" SCH 40 PVC
<br />NON-PERFORATED
<br />WATER-
<br />TIGHT
<br />CAP
<br />100-YEAR
<br />PEAK
<br />940.02
<br />BOTTOM AND SIDES OF SOIL MEDIUM
<br />& CRUSHED ROCK TO BE WRAPPED IN
<br />60-MIL HDPE LINER (TOP OF SOIL
<br />MEDIUM TO BE EXPOSED TO
<br />FACILITATE PLANT GROWTH
<br />4" PERFORATED DRAIN
<br />TILE (TYP - SEE 1/C3)
<br />4" PERFORATED DRAIN
<br />TILE (TYP - SEE 1/C3)
<br />CLEANOUT W/
<br />WATERTIGHT CAP
<br />(TYP - SEE 1/C3)
<br />DEMOLITION
<br />LIMITS (TYP)
<br />DEMOLITION
<br />LIMITS (TYP)
<br />NOTE: REMOVE EXISTING BITUMINOUS
<br />PAVEMENT, CURB & GUTTER, AND
<br />VALLEY GUTTER AS NECESSARY FOR
<br />NEW UTILITY CONNECTIONS (SEE C3).
<br />REPLACE BITUMINOUS PAVEMENT,
<br />CURB & GUTTER, AND VALLEY GUTTER
<br />PER CITY REQUIREMENTS (SEE C7).
<br />22 LF
<br />12" HDPE
<br />@ 2.00%
<br />TOP OF BERM
<br />ELEV = 941.00 (TYP)
<br />CLEANOUT W/
<br />WATERTIGHT CAP
<br />(TYP - SEE 1/C3)
<br />CLEANOUT W/
<br />WATERTIGHT CAP
<br />(TYP - SEE 1/C3)
<br />NOTE: CONTRACTOR SHALL OBTAIN
<br />ALL NECESSARY PERMITS AND
<br />APPROVALS FOR WORK WITHIN THE
<br />PUBLIC RIGHT OF WAY.
<br />DEMOLITION LIMITS (TYP)
<br />(AT PROPERTY LINE)DEMOLITION LIMITS (TYP)
<br />(AT PROPERTY LINE)
<br />12" SCH 40 PVC
<br />@ 1.00%
<br />(TYP)
<br />4" SCH 40 PVC
<br />@ 1.00%
<br />(TYP)
<br />CLEANOUT (CO6)
<br />RIM = 942.65
<br />INV = 938.92
<br />9
<br />4
<br />0
<br />1. TRAFFIC FROM CONSTRUCTION EQUIPMENT SHALL BE LIMITED AS MUCH AS POSSIBLE
<br />ACROSS FILTRATION BASIN AREAS, AND BE ONLY LOW IMPACT TRACK EQUIPMENT.
<br />BASIN AREAS SHALL BE EXCAVATED WITH A BACKHOE STATIONED OUTSIDE OF THE AREA
<br />AS MUCH AS POSSIBLE.
<br />2. DURING CONSTRUCTION OF THE ADJACENT PARKING LOT AND BUILDING, THE
<br />FILTRATION BASIN AREA SHALL BE PROTECTED FROM TRAFFIC AND SEDIMENT WITH SILT
<br />FENCE. SEE SHEET C6.
<br />3. FILTRATION SOIL MEDIA SHALL CONSIST OF MN STORM WATER MANUAL MIX "B". THE
<br />CONTRACTOR SHALL NOT INSTALL FILTER MEDIA UNTIL THE CONTRACTOR CONSTRUCTS
<br />AND FULLY STABILIZES THE CONTRIBUTING DRAINAGE AREA UNLESS THEY PROVIDE
<br />RIGOROUS EROSION PREVENTION AND SEDIMENT CONTROLS (E.G., DIVERSION BERMS)
<br />TO KEEP SEDIMENT AND RUNOFF COMPLETELY AWAY FROM THE FILTRATION AREA.
<br />4. ONCE THE FILTRATION BASIN HAS BEEN EXCAVATED AND BACKFILLED WITH SOIL MEDIA,
<br />THE CONTRACTOR SHALL ARRANGE AND PAY FOR TESTING THE INFILTRATION RATES OF
<br />THE SOIL MEDIA. THE TEST RESULTS SHALL BE SUBMITTED TO THE WATERSHED DISTRICT
<br />AND THE ENGINEER.
<br />5. IN ORDER TO PASS, INFILTRATION TESTING RESULTS SHALL BE IN A SATURATED STATE AND
<br />MUST BE NO LESS THAN DOUBLE THE DESIGN RATE. FOR THIS PROJECT, THE DESIGN
<br />INFILTRATION RATE FOR THE FILTRATION BASIN IS 0.8-IN/HR, THUS INFILTRATION TEST
<br />RESULTS MUST BE NO LESS THAN 1.6-IN/HR.
<br />6. ONCE EXCAVATED TO FINAL GRADE FILTRATION BASIN AREAS SHALL BE INSPECTED TO ENSURE
<br />THAT NO SEDIMENT FROM ONGOING CONSTRUCTION ACTIVITY IS REACHING THE BASIN AREAS.
<br />ALL FILTRATION BASIN AREAS SHALL BE INSPECTED TO ENSURE THAT UNAUTHORIZED EQUIPMENT
<br />IS NOT BEING DRIVEN ACROSS THE BASIN AREAS, AS WELL.
<br />7. FINAL STABILIZATION OF THE FILTRATION BASINS SHALL NOT BE COMPLETED UNTIL THE
<br />UPSTREAM DRAINAGE AREAS HAVE BEEN STABILIZED.
<br />FILTRATION BASIN NOTES:
<br />LICENSE NO.: 63480
<br />NORMAN E. STATZ, PE
<br />50
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