SWMM 4 file must have extension .B9. SWMM input file should contain B9 line with directions to write to a text hydrograph file as in this example:
SW 1 8 9 14 20
MM 4 12 13 14 15
@ 14 Extran.B9
$ANUM
$EXTRAN
A1
A1
B1 1.3e4 5 10 0 -24 0 1 -19650716
B2 0 1 25 0 0
B3 0 0 0 0 0
* NOFLOW NOFDUP IFINTER FLOWMIN FLOWOUT1 FLOWOUT2 etc.
* Save WWTP flows every 15 minutes
B9 5 0 60 0 'PUMP #1' 2801 5901 6901 7388
The .B9 file should look like this:
FLOWS IN CFS
MO DY YEAR HOUR DT(SEC) FLOWS IN CHANNEL NOS.:
PUMP#1 2801 5901 6901 7388
0 0 0 0.000 0. 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00 0.0000E+00
7 16 1965 21.750 300. 2.1874E+01 0.0000E+00 0.0000E+00 1.8762E+01 0.0000E+00
7 16 1965 21.833 300. 2.6602E+01 0.0000E+00 0.0000E+00 2.9578E+01 0.0000E+00
7 16 1965 21.917 300. 3.0073E+01 0.0000E+00 0.0000E+00 3.3148E+01 0.0000E+00
7 16 1965 22.000 300. 3.2289E+01 0.0000E+00 0.0000E+00 3.7068E+01 0.0000E+00
7 16 1965 22.083 300. 3.3000E+01 4.9103E-02 0.0000E+00 4.4931E+01 0.0000E+00
7 16 1965 22.167 300. 3.3000E+01 3.2015E+00 0.0000E+00 6.1740E+01 2.8649E-01
There should not be any spaces in structure names. The user can edit this file manually before reading it into NetSTORM if needed.