20081555 Ver 1_More Info Received_20091117

Strickland, Bev
From: Steenhuis, Joanne
Sent: Tuesday, November 17, 2009 12:37 PM
To: Strickland, Bev
Subject: FW: Shelter Quarry SAW-2008-1720 DWQ 08 1555
Attachments: Addendum Attachment 10 - Quarry Wetland Impact Spreadsheet 11_17_09.pdf; QUARRY
RESP PG13 REV.pdf
DWQ # 08 1555
From: Dana Lutheran [mailto:[e-mail]]
Sent: Tuesday, November 17, 2009 11:43 AM
To: Steenhuis, Joanne; Ellwood, Molly M.; Linda Willis; [e-mail]
Cc: Ronnie Smith
Subject: Shelter Quarry SAW-2008-1720
Hello, All.
Ronnie Smith brought to my attention that there is an error in SEGi's response to the Agencies' RFAI correspondence
(page 13), which states that 47.45 acres of 404 wetlands are proposed to be impacted. This has been changed to read
44.84 acres of 404 wetlands are proposed to be impacted. I have attached the corrected page for your records.
In addition, on the addendum Attachment 10 - Quarry Wetland Impact Spreadsheet, please note that wetland area FF has
been reclassified as "non-riverine swamp" rather than "bottomland hardwood", as the feature is far removed from any
stream or the creek. The calculations for riparian and non-riparian have not changed. The revised addendum Attachment
10 is also attached to this email.
Thank you and have a great day,
Dana
SEGO
Southern Environmental Group, Inc.
5315 South College Rood, Suite E
Wilmington, NC 28412
Phone: [phone]
Fax: [phone]
Mobile: [phone]
Page 1 5 of 19 5r-Gi
amount of wetlands proposed for impact and correct all the maps and written descriptions so they are
consistent. Please identify which wetlands have been identified as isolated and include them in the
calculated wetland impacts and narrative for the State.
The convect area of wetlands to be impacted is as follows:
404 Jurisdictional Wetlands 44.84 acres (1,953,230.4 SF)
401 Isolated Wetlands 2.61 acres (113;691.6.0 SF)
Total Wetland Impacts 47.45 acres (2,066,922.0 SF).
Attached you will find the Shelter Creep Quarry Wetland Impact Spreadsheet, which has been prepared
to accurately detail total proposed wetland impacts, both 404 and 401, as well as provide information
on the classification of each impact, what phase they are to take place, etc. (refer to addendum
Attachment 10).
Z Please show on an overall map, the wetlands to be impacted and in what phases and also identify the
required SO' undisturbed buffer by the Land Quality Section forme the property line and/or wetlands
Please refer to the revised site plan (Attachment 6) and to the Shelter Creek Quarry Wetland Impact
Spreadsheet (addendum Attachment 10).
3. The maps indicate there will be a proposed `future" ditch on the northwestern side of the property
(Phase IA). There are wetlands shown to abut this property line. Please indicate how this proposed ditch
will not impact/drain additional wetlands off-site?
The ditch has been installed and water is continuously pumped into the feature, which ensures that it
will not have a draining erect on adjacent off site wetlands. This has been demonstrated with the
shallow water monitoring well data that has been included with this correspondence.
4. There are on-site and off-site wetland monitoring wells Please show the previously collected data and
provide a summary of these fending.
As a result of the 5 June 2009 on-site meeting with the DWQ, SWP, WRC and others, where auger
pulls indicated that the water table was within 12" to 18" of the surface, the data was re-evaluated. It
was determined that an error in the calculation had occurred. The error was corrected and the data
recalculated (see attached). In summary, the corrected data reinforces the existing conditions evaluated
during that site visit and also indicates that the mining activity has not a draining erect on wetlands
outside the project limits or within the cone of depletion.
5. The proposed compensatory mitigation does not meet the requirements describe in 15A NCAC
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