HomeMy WebLinkAboutRe_ EXTERNAL_ Re_ BMPs_Erosion Control Canyon Loop trail Improvement ProjectCAUTION: This message originated outside of our City of Diamond Bar network.
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Hi Anthony,
What about BMPs from the SWPPP? I don't think that the BMPs that Robb Hamilton and others, including FWS, are asking about is the v-ditches, it's the risk of erosion and sedimentation
due to side casting which then can bury nearby vegetation.
Ryan Winkleman
Senior Biologist/Project Manager
949-533-0918
This email was sent from my phone. If you need to immediately reach me, please call the number above.
________________________________
From: Danny Daher <acecd99@gmail.com>
Sent: Monday, November 28, 2022, 5:37 PM
To: Anthony Jordan <AJordan@DiamondBarCA.Gov>
Cc: Ryan Wright <RWright@DiamondBarCA.Gov>; Richard Fisher <rfisher@rfaland.com>; Ashimine, Alan <aashimine@mbakerintl.com>; Winkleman, Ryan <Ryan.Winkleman@mbakerintl.com>; Ryan McLean
<RMcLean@diamondbarca.gov>
Subject: EXTERNAL: Re: BMPs/Erosion Control Canyon Loop trail Improvement Project
Hello Anthony,
We will be installing the v swale at 2 areas that got
Hit last time and take measures for any other area
That could be a target.
I am on site every day please stop by anytime
Thanks
Danny Daher
Ace Cd Inc.
acecd99@gmail.com
Sent from my iPhone
On Nov 28, 2022, at 4:19 PM, Anthony Jordan <AJordan@diamondbarca.gov> wrote:
Good afternoon Danny,
Per the approved plans, specifications and special provisions of the subject project, eroded sediments shall be retained on site. During the most recent rain event on the trail, several
areas experienced significant erosion. As such, please install erosion control measures as required to prevent any further erosion prior to the next rain event. Please reach out to
me with any questions or concerns. If you would prefer, I am happy to meet with you on site to discuss.
Regards,
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Anthony Jordan Maintenance Superintendent
City of Diamond Bar | Public Works Department
21810 Copley Drive, Diamond Bar, CA 91765
t 909.839.7063 | 909.839.7000 main | f 909.861.3117
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eserved=0>” from S&S Seeds to further control future erosion along the sides of the trail. These “expanded” areas were what were calculated and sent to the Service as permanent impacts
and they are what will be mitigated through an HMMP. The current permanent impacts to CSS vegetation along the sides of the trail are still well within what was calculated and presented
to the Service during our earlier conversations a couple months ago.
* Of 0.009 acre of California sagebrush – black sage scrub that was calculated for impacts, the project has permanently removed 0.0049 acre.
* Of 0.128 acre of disturbed California sagebrush – black sage scrub that was calculated for impacts, the project has permanently removed 0.0572 acre.
* Of 0.050 acre of coast prickly pear scrub that was calculated for impacts, the project has permanently removed 0.0159 acre.
These are current prior to today. There was some minor grading today that I don’t have the numbers for yet. Again, these are the areas that have been widened along the trail and that
are currently being questioned in the correspondence you received from Robb et al. They were what was factored in as permanent impacts in the numbers we previously provided to you and
they’ll be mitigated for on-site.
Please let me know if you have any other questions, and please confirm that you’ll handle the ITP response on your end. Thank you!
Ryan Winkleman | Project Manager/Senior Biologist/Certified Senior Ecologist
5 Hutton Centre Drive, Suite 500 | Santa Ana, CA 92707 | [O] 949-330-4115 | [M] (949) 533-0918
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From: Kershek, Lauren <lauren_kershek@fws.gov<mailto:lauren_kershek@fws.gov>>
Sent: Monday, November 28, 2022 1:10 PM
To: Winkleman, Ryan <Ryan.Winkleman@mbakerintl.com<mailto:Ryan.Winkleman@mbakerintl.com>>
Subject: EXTERNAL: Fw: [EXTERNAL] Photos of Canyon Loop Trail Work, Diamond Bar
Hi Ryan,
I wanted to give you a heads up that we've gotten a complaint from a concerned citizen about the impacts associated with the Canyon Loop Project. We just wanted to check in and make
sure everything is being implemented as laid out in the MND. The specific concerns appear to be regarding the erosion control BMPs and width of the trail. If you could confirm that
the project is being built as planned and that all BMPs are appropriately placed, we would greatly appreciate it and we will be happy to prepare a response regarding the ITP question.
Lauren Kershek (she, her, hers)
Fish and Wildlife Biologist
U.S. Fish and Wildlife Service
2177 Salk Ave, Ste 250
Carlsbad, CA 92008
(760)431-9440 x208*
*I am working mostly from home and infrequently checking my office voicemail. Email is the best way to reach me if you'd like to schedule a call or meeting.
________________________________
________________________________
From: Robert Hamilton <robb@hamiltonbiological.com<mailto:robb@hamiltonbiological.com>>
Sent: Sunday, November 20, 2022 7:31 PM
To: Snyder, Jonathan <Jonathan_d_Snyder@fws.gov<mailto:Jonathan_d_Snyder@fws.gov>>
Cc: Lee Paulson <lee@silverlightpress.com<mailto:lee@silverlightpress.com>>; Cynthia Robin Smith <diamondbarbeautiful@gmail.com<mailto:diamondbarbeautiful@gmail.com>>; Dan Silver <dsilverla@me.com<ma
ilto:dsilverla@me.com>>; Medak, Christine <Christine_Medak@fws.gov<mailto:Christine_Medak@fws.gov>>; Fritz Reiman, CDFW <Frederic.Rieman@wildlife.ca.gov<mailto:Frederic.Rieman@wildlife.ca.gov>>;
Erinn Wilson <Erinn.Wilson-Olgin@wildlife.ca.gov<mailto:Erinn.Wilson-Olgin@wildlife.ca.gov>>
Subject: [EXTERNAL] Photos of Canyon Loop Trail Work, Diamond Bar
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