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.
Manuals & Additional Resources
District Standard Drawings
List of Drawings
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-109 SPECIAL CONNECTIONS TO CATCH BASIN
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)
MH254 MANHOLE NO. 4 (PIPES, 36" OR LARGER, LARGE SIDE INLET)
MH254 MANHOLE NO. 4 SHEET (NOTES)
MH256 MANHOLE FRAME AND COVER (PRESSURE)
MH258 MANHOLE SHAFT (PRESSURE)
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
CH326 TRAPEZOIDAL CONCRETE LINED CHANNEL DETAILS
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
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)
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
M819 MAXIMUM CHORD LENGTHS FOR CURVED SECTIONS
M823 SPIRAL RIB PIPE (INVERT PAVING)
M824 SPIRAL RIB PIPE (SADDLE BRANCH JUNCTION)