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Engineering Tools

HEC-HMS Preprocessor

In an effort to allow the use of HEC-HMS for District projects, District staff developed the HEC-HMS Preprocessor web-based program to assist the user in calculating input parameters for preparing a SUH model in HEC-HMS consistent with District methods.

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District Standard Drawings

    List of Drawings

    STANDARD DRAWING INDEX SHEET

    STANDARD DRAWING - ENTIRE SET

    STANDARD DRAWING COVER SHEET

    STANDARD DRAWING REVISION LOG SHEET

    CB-100 CATCH BASIN NO.1 (W=7';14';21';ETC)

    CB-101 CATCH BASIN NO.4 (SIDE OPENING WITH TWO OR MORE GRATING)

    CB-101 CATCH BASIN NO.4 SHEET 2 (NOTES)

    CB-102 CATCH BASIN NO.6 (SIDE OPENING WITH GRATE)

    CB-103 CATCH BASIN FRAME AND COVER (MANHOLE)

    CB-104 CATCH BASIN FRAME AND GRATING

    CB-105 CATCH BASIN DETAIL OF OPENING SHT 1 INSTALLATION DETAILS

    CB-105 CATCH BASIN SHEET 2 REMOVABLE PROTECTION BAR

    CB-106 CATCH BASIN REINFORCEMENT

    CB-107 INLET TYPE IX (CHECKERED COVER PLATE)

    CB-108 INLET TYPE X (GRATE)

    CB-109 SPECIAL CONNECTIONS TO CATCH BASIN

    CB-110 CONCRETE DROP INLET

    LD201 LOCAL DEPRESSION NO.2

    LD202 LOCAL DEPRESSION NO.3

    JS226 JUNCTION STRUCTURE NO.1 (33" OR LARGER SIDE INLET TO BOX)

    JS227 JUNCTION STRUCTURE NO.2 (30” OR LARGER SIDE INLET TO PIPE)

    JS228 JUNCTION STRUCTURE NO.3 (30" OR SMALLER SIDE INLET TO BOX)

    JS229 JUNCTION STRUCTURE NO.4 (24" OR SMALLER SIDE INLET TO PIPE)

    JS230 JUNCTION STRUCTURE NO.5 (BOX INLET TO BOX)

    JS231 JUNCTION STRUCTURE NO.6 (SIDE INLET TO TRAPEZOIDAL CHANNEL)

    JS232 JUNCTION STRUCTURE NO.7 (24” OR SMALLER INLET TO EXISTING TRAPEZOIDAL CHANNEL)

    JS233 JUNCTION STRUCTURE NO.8 (SOFT-BOTTOM CHANNEL)

    MH251 MANHOLE NO. 1 (PIPES, 33" OR SMALLER)

    MH251 MANHOLE NO. 1 SHEET (NOTES)

    MH252 MANHOLE NO. 2 (PIPES, 36" OR LARGER)

    MH252 MANHOLE NO. 2 SHEET (NOTES)

    MH253 MANHOLE NO. 3 (BOX)

    MH254 MANHOLE NO. 4 (PIPES, 36" OR LARGER, LARGE SIDE INLET)

    MH254 MANHOLE NO. 4 SHEET (NOTES)

    MH256 MANHOLE FRAME AND COVER (PRESSURE)

    MH257 MANHOLE SHAFT

    MH258 MANHOLE SHAFT (PRESSURE)

    MH259 STANDARD DROP SET

    MH260 24" MANHOLE FRAME AND COVER (SUPERSEDE MH255)

    MH261 MANHOLE SHAFT SAFETY LEDGE

    MH261 MANHOLE SHAFT SAFETY LEDGE SHEET 2 (NOTES)

    TS301 TRANSITION STRUCTURE NO. 1 (SINGLE PIPE TO SINGLE BOX)

    TS302 TRANSITION STRUCTURE NO. 2 (SINGLE BOX TO SINGLE BOX)

    TS303 TRANSITION STRUCTURE NO. 3 (PIPE TO PIPE WITH PIPE JUNCTION)

    TS304 TRANSITION STRUCTURE NO. 4 (SINGLE BOX TO DOUBLE BOX)

    CH323 CONCRETE LINED SOFT BOTTOM CHANNEL

    CH324 UNLINED CHANNEL

    CH325 ROCK LINED CHANNEL

    CH326 TRAPEZOIDAL CHANNEL (DETAILED)

    CH327 RECTANGULAR CHANNEL (STRUCTURAL DETAILS)

    CH328 RECTANGULAR CHANNEL ("L" AND "U" STRUCTURAL DETAILS)

    CH329 TRANSITION STRUCTURAL DETAILS (TRAPEZOIDAL TO BOX)

    CH330 MAINTENANCE RAMP FOR TRAPEZOIDAL CHANNEL

    CH331 MAINTENANCE RAMP FOR RECTANGULAR CHANNEL

    CH332 SUBDRAIN DETAILS

    CH333 DRAINAGE APRON FOR ACCESS ROAD

    CH334 MAINTENANCE RAMP FOR UNLINED CHANNEL

    CH335 MAINTENANCE RAMP FOR ROCK LINED CHANNEL

    BX401 SINGLE CELL REINFORCED CONCRETE BOX (STRUCTURAL DETAILS)

    M801 CHAIN LINK FENCE DETAILS

    M803 CONCRETE COLLAR FOR PIPES 12" THROUGH 66"

    M807 SANITARY SEWER PROTECTION

    M808 REMODELING OF SANITARY SEWER HOUSE CONNECTIONS SHEET 1

    M808 REMODELING OF SANITARY SEWER HOUSE CONNECTIONS SHEET 2

    M814 ABBREVIATIONS AND SYMBOLS

    M815 EXCAVATION AND BACKFILL PAY LINES

    M816 CONCRETE BULKHEAD

    M817 RAIL AND WIRE REVETMENT

    M818 WIRE FENCE

    M819 MAXIMUM CHORD LENGTHS FOR CURVED SECTIONS

    M820 PIPE SWING GATE

    M823 SPIRAL RIB PIPE (INVERT PAVING)

    M824 SPIRAL RIB PIPE (SADDLE BRANCH JUNCTION)

    M825 SPIRAL RIB PIPE (BANDING DETAIL)

    M826 CABLE FENCE DETAIL

    M827 VEHICULAR TURN AROUND AREA