HomeMy WebLinkAboutDRAINAGE PLAN 6.27.22 - 22-00303 - Pebble Creek - Parcel adjacent to 2332 W 2000 S - PlatP
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QA/QC
DESIGNED
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APPROVED
NO.REVISIONS DATEBY
This document or any part thereof in detailor design concept is the property of Civilize,PLLC. and shall not be copied without thewritten authorization of Civilize, PLLC.
PROJECT NO.01-21-42PEBBLE CREEK
SUBDIVISION
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B. CROWTHER 1.PRELIMINARY DESIGN 4/21BEC7
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CONSTRUCTION NOTESA.CLEARING AND GRUBBING SHALL BE PERFORMED PER ISPWC SECTION 201 - CLEARING ANDGRUBBING AND REMOVAL OF OBSTRUCTIONS.B.EXCAVATION AND EMBANKMENT SHALL BE PERFORMED PER ISPWC SECTION 202 - EXCAVATIONAND EMBANKMENTa.EMBANKMENT CONSTRUCTION CONSISTS OF THE CONSTRUCTION OF FILLS AND PLACEMENT OFBACKFILLS WITHIN THE PROJECT LIMITS TO THE LINES, GRADES, DIMENSIONS AND THE TYPICALSECTDIONS SHOWN ON THE CONTRACT DOCUMENTS OR AS DESIGNATED.C.EMBANKMENT AND STRUCTURAL FILL MATERIALS SHALL BE PROVIDED PER ISPWC SECTION 203 -SOIL MATERIALSD.STRUCTURAL EXCAVATION, BACKFILL AND COMPACTION SHALL BE PERFORMED PER ISPWCSECTION 204 - STRUCTURAL EXCAVATION AND COMPACTING BACKFILL.E.DEWATERING, IF NECESSARY, SHALL BE PERFORMED PER ISPWC SECTION 205 - DEWATERING.F.EROSION CONTROL SHALL BE PERFORMED PER ISPWC SECTION 206 - PERMANENT EROSIONCONTROL.G.STORMWATER MANAGEMENT SHALL BE PROVIDED AND PERFORMED PER SECTION SECTION 207- PERMANENT STORMWATER BEST MANAGEMENT PRACTICES.H.TRENCH EXCAVATION SHOULD BE PERFORMED PER ISPWC SECTION 301 - TRENCH EXCAVATION.I.ROCK EXCAVATION, IF NECESSSARY, SHALL BE PERFORMED PER SECTION 302 - ROCKEXCAVATION.J.OVEREXCAVATION FOR UNSUITABLE MATERIALS SHALL BE PERFORMED PER SECTION 304 -TRENCH FOUNDATION STABILIZATION.K.BACKFILLING OF TRENCHES SHALL BE PERFORMED PER SECTION 306 - TRENCH BACKFILL.L.PROVIDE AND INSTALL STORM DRAIN INLETS, CATCH BASINS, MANHOLES, AND OTHER STORMDRAIN COMPONENTS PER ISPWC DIVISION 600 CULVERTS, STORM DRAIN, AND GRAVITYIRRIGATION.KEYED NOTES:50.CONSTRUCT FLOWABLE FILL TRENCH PER CITY OF REXBURG STANDARD DETAILS, FLOWABLEFILL TRENCH DETAIL, SHEET 8.51.FURNISH AND INSTALL STANDARD INLET CATCH BASIN TYPE II PER ISPWC SD-602 WITH GRATE BY D&L FOUNDRY SUPPLY CO. MODEL I-3520 OR EQUAL.52.FURNISH AND INSTALL INFILTRATORS PER CITY OF REXBURG STANDA
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53.FURNISH AND CONSTRUCT 12” CORRUGATED HDPE PIPE WITH SMOOT
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294 WITH WATERTIGHT BELL AND SPIGOT WITH ASTM 477 GASKETS O
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PER ASTM D-3034, SDR 35 WITH ELECTROMETRIC GASKET JOINTS PER
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54.FURNISH AND CONSTRUCT CONCRETE SCUPPER PER ISPWC SD-715/55.FURNISH AND INSTALL 48” STANDARD CATCH MANHOLE PER ISPWC S
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GRATE.56.FURNISH AND INSTALL SHALLOW INJECTION WELL PER DETAIL 9 ON S
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DESIGN CRITERIAA.STORM DRAIN DESIGN CRITERIA ARE EXTRACTED FROM THE CITY OF
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2016-15.B.STORM DRAINAGE RAINFALL VALUES AND RUN-OFF COEFFICIENTS SH
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PRACTICESC.THE PEAK FLOW RATE AND MAXIMUM WATER SURFACE ELEVATIONS
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THE 100-YEAR, 1-HOUR STORM EVENT.D.THE OVERFLOW ROUTE SHALL DIRECT THE 100-YEAR, 1-HOUR POST-D
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SAFELY TOWARDS THE DOWNSTREAM CONVEYANCE SYSTEM. FACILI
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AN ADEQUATE OVERFLOW LOCATION OR BYPASS PATH MUST BE SIZE
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INFILTRATE/DRAIN THE 100-YEAR, 1-HOUR EVENT.E.THE CITY OF REXBURG USES THE 25-YEAR, 1-HOUR EVENT FOR SIZIN
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ACCOMMODATE FLOWS IN EXCESS OF THE 25-YEAR, 1-HOUR EVENT.F.DISCHARGE INTO EXISTING FACILITIES MUST BE RESTRICTED TO THE
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UNLESS OTHERWISE APPROVED BY THE CITY ENGINEER.G.CATCH BASIN GRATE MUST BE NEENAH MODEL NUMBER R-3067 OR AP
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BASINS MUST BE DESIGNED TO ACCEPT PEAK RUNOFF FLOW RATE.STORMWATER QUANTITY (DRAINAGE CONVEYANCES)DESIGN STORM
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