SWMM-USERS Digest - 27 Oct 2009 to 29 Oct 2009 (#2009-113)

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Oct 30, 2009, 12:06:03 AM10/30/09

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There are 6 messages totalling 614 lines in this issue.

Topics of the day:

1. IFLOWP (6)

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Date: Thu, 29 Oct 2009 13:45:15 -0400
From: "Shamsi, Sam" <SSh...@MBAKERCORP.COM>
Subject: IFLOWP

Hi,

SWMM4 had a parameter called IFLOWP on H1 (subcatchment) lines, defined as

* Option for directing runoff from one overland flow plane to another.
* Input of this parameter is optional and required only if redirection
* of overland flow is desired.
* IFLOWP : = 0, Overland flow from three subareas goes directly
* to subcatchment outflow (historical procedure).
* = 1, Flow from impervious subarea (with and without
* depression storage) flows onto pervious subarea.
* = 2, Flow from pervious subarea flows onto impervious
* subarea (with depression storage).
* = 3, Case 0 above, but subcatchment flow is directed
* to another *subcatchment*, indicated by NGTO.
* = 4, Case 1 above, but subcatchment flow is directed
* to another *subcatchment*, indicated by NGTO.
* = 5, Case 2 above, but subcatchment flow is directed
* to another *subcatchment*, indicated by NGTO.

What's the IFLOWP equivalent in SWMM5?

Thanks

Best regards,
--------------------------------------------
Uzair (Sam) Shamsi, Ph.D., P.E., GISP
Technical Manager III
Michael Baker Jr., Inc.
Airside Business Park
100 Airside Dr.
Moon Township, PA 15108-3195
Phone: 412-375-3076
Cell: 412-952-7407
ssh...@mbakercorp.com
www.mbakercorp.com

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Date: Thu, 29 Oct 2009 13:55:19 -0400
From: "Shyamprasad, Sangameswaran" <Shyamp...@CDM.COM>
Subject: Re: IFLOWP

Yes. You can use the option "RouteTo" in subcatchments to route flow from one area to the other.

In the example below I am routing 50% flow from impervious to pervious portion of the catchment. This is equivalent to SWMM4 RUNOFF option IFLOWP = 1.

[SUBAREAS]
;;Subcatchment N-Imperv N-Perv S-Imperv S-Perv PctZero RouteTo PctRouted
;;-------------- ---------- ---------- ---------- ---------- ---------- ---------- ----------
ABC_C_10 0.025 0.06 0.05 0.2 25 PERVIOUS 50

-----Original Message-----
From: SWMM-USERS [mailto:SWMM-...@listserv.uoguelph.ca] On Behalf Of Shamsi, Sam
Sent: Thursday, October 29, 2009 1:45 PM
To: SWMM-...@listserv.uoguelph.ca
Subject: [SWMM-USERS] IFLOWP

Hi,

SWMM4 had a parameter called IFLOWP on H1 (subcatchment) lines, defined as

What's the IFLOWP equivalent in SWMM5?

Thanks

Please consider the environment before printing this message.

------------------------------

Date: Thu, 29 Oct 2009 10:56:20 -0700
From: "Gregory, Mike" <Mike.G...@AECOM.COM>
Subject: Re: IFLOWP

It's now explicitly defined as a subcatchment property - the "Subarea Routing" and "Percent Routed" parameters - [SUBAREAS] data group in the input file.

It's a bit of a departure for those of us who used to define "directly-connected" impervious area and then adjust the pervious area parameters accordingly. But this subarea routing is a better way to go.

Regards,
mike g.

Hi,

SWMM4 had a parameter called IFLOWP on H1 (subcatchment) lines, defined as

What's the IFLOWP equivalent in SWMM5?

Thanks

Please consider the environment before printing this message.

------------------------------

Date: Thu, 29 Oct 2009 14:12:49 -0400
From: "Shamsi, Sam" <SSh...@MBAKERCORP.COM>
Subject: Re: IFLOWP

Shyam,

Thanks. How would you model IFLOWP=0?

Please consider the environment before printing this message.

-----Original Message-----
From: SWMM-USERS [mailto:SWMM-...@listserv.uoguelph.ca] On Behalf Of Shyamprasad, Sangameswaran
Sent: Thursday, October 29, 2009 1:55 PM
To: SWMM-...@listserv.uoguelph.ca
Subject: Re: [SWMM-USERS] IFLOWP

Yes. You can use the option "RouteTo" in subcatchments to route flow from one area to the other.

In the example below I am routing 50% flow from impervious to pervious portion of the catchment. This is equivalent to SWMM4 RUNOFF option IFLOWP = 1.

Hi,

SWMM4 had a parameter called IFLOWP on H1 (subcatchment) lines, defined as

What's the IFLOWP equivalent in SWMM5?

Thanks

Please consider the environment before printing this message.

------------------------------

Date: Thu, 29 Oct 2009 11:16:24 -0700
From: "Gregory, Mike" <Mike.G...@AECOM.COM>
Subject: Re: IFLOWP

Use Route To = Outlet for all subcatchments.

Regards,
mike g.

-----Original Message-----
From: SWMM-USERS [mailto:SWMM-...@listserv.uoguelph.ca] On Behalf Of Shamsi, Sam
Sent: Thursday, October 29, 2009 2:13 PM
To: SWMM-...@listserv.uoguelph.ca
Subject: Re: [SWMM-USERS] IFLOWP

Shyam,

Thanks. How would you model IFLOWP=0?

Please consider the environment before printing this message.

Yes. You can use the option "RouteTo" in subcatchments to route flow from one area to the other.

In the example below I am routing 50% flow from impervious to pervious portion of the catchment. This is equivalent to SWMM4 RUNOFF option IFLOWP = 1.

Hi,

SWMM4 had a parameter called IFLOWP on H1 (subcatchment) lines, defined as

What's the IFLOWP equivalent in SWMM5?

Thanks

Please consider the environment before printing this message.

------------------------------

Date: Thu, 29 Oct 2009 14:19:11 -0400
From: Peter Klaver <pkl...@LIMNO.COM>
Subject: Re: IFLOWP

Route to 100% of flow OUTLET.

-----Original Message-----
From: SWMM-USERS [mailto:SWMM-...@listserv.uoguelph.ca] On Behalf Of
Shamsi, Sam
Sent: Thursday, October 29, 2009 2:13 PM
To: SWMM-...@listserv.uoguelph.ca
Subject: Re: [SWMM-USERS] IFLOWP

Shyam,

Thanks. How would you model IFLOWP=0?

Please consider the environment before printing this message.

This electronic mail message and any attached files contain information
intended for the exclusive use of the individual or entity to whom it is
addressed and may contain information that is proprietary, privileged and/or
confidential under applicable law. If you are not the intended recipient,
please notify the sender by electronic mail or telephone and delete the
original message without making any copies; any unauthorized viewing,
copying, disclosure or distribution of this information may be subject to
legal restriction and penalty.

-----Original Message-----
From: SWMM-USERS [mailto:SWMM-...@listserv.uoguelph.ca] On Behalf Of
Shyamprasad, Sangameswaran
Sent: Thursday, October 29, 2009 1:55 PM
To: SWMM-...@listserv.uoguelph.ca
Subject: Re: [SWMM-USERS] IFLOWP

Yes. You can use the option "RouteTo" in subcatchments to route flow from
one area to the other.

In the example below I am routing 50% flow from impervious to pervious
portion of the catchment. This is equivalent to SWMM4 RUNOFF option IFLOWP
= 1.

[SUBAREAS]
;;Subcatchment N-Imperv N-Perv S-Imperv
S-Perv PctZero RouteTo PctRouted
;;-------------- ---------- ---------- ---------- ---------- ----------
---------- ----------
ABC_C_10 0.025 0.06 0.05
0.2 25 PERVIOUS 50

-----Original Message-----
From: SWMM-USERS [mailto:SWMM-...@listserv.uoguelph.ca] On Behalf Of
Shamsi, Sam
Sent: Thursday, October 29, 2009 1:45 PM
To: SWMM-...@listserv.uoguelph.ca
Subject: [SWMM-USERS] IFLOWP

Hi,

SWMM4 had a parameter called IFLOWP on H1 (subcatchment) lines, defined as

What's the IFLOWP equivalent in SWMM5?

Thanks

Please consider the environment before printing this message.

This electronic mail message and any attached files contain information
intended for the exclusive use of the individual or entity to whom it is
addressed and may contain information that is proprietary, privileged and/or
confidential under applicable law. If you are not the intended recipient,
please notify the sender by electronic mail or telephone and delete the
original message without making any copies; any unauthorized viewing,
copying, disclosure or distribution of this information may be subject to
legal restriction and penalty.

------------------------------

End of SWMM-USERS Digest - 27 Oct 2009 to 29 Oct 2009 (#2009-113)
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