20130015 Ver 1_Buffer Impact Approval_20130401

Determination of No Practical Alternatives
Authorization Certificate
March 28, 2013

Mr. Joey Lawler, P.W.S.
S&ME
9751 Southern Pine Blvd
Charlotte, NC 28273

Re: Determination of No Practical Alternative for Stream Buffer disturbance for Greensboro Line
386 Project.

Dear Mr. Lawler:

In accordance with the Jordan Water Supply
Nutrient Strategy: Protection of Existing Riparian Buffers., any applicant that intends to disturb Zone 1
and Zone 2 of the
January 7, 2013 and a
Response to Request for Additional Information on February 27, 2013 stating that the stream buffer
disturbance was necessary for the replacement of an aging segment of natural gas pipeline with a new 1.6
mile segment of pipe in Greensboro, NC.

The City of Greensboro determined that the permanent impact of approximately 650 lf of the Jordan
Watersupply Watershed stream buffer were necessary to install the gas line in question. As stated on the
the disturbance in linear feet per crossing is as follows:

Stream ID Disturbance ROW Comments
1 177 lf Abut a parallel existing landfill gas
collection corridor
2 207 lf Abut and parallel an existing methane
gas pipe corridor
3 113 lf Near perpendicular angle in order to
abut and parallel an existing methane
gas pipeline corridor
4 150 lf Non perpendicular angle required to
abut and parallel an existing overhead
electric transmission corridor

P.O. Box 3136 Greensboro, NC 27402-3136 www.greensboro-nc.gov (336) 373-CITY (2489) TTY # 333-6930

The surface area impact information in square footage, including replanted area and mitigation is as
follows:

Buffer Zone 1 Impacts Zone 2 Impacts Area of Net
Zone 1 to Mitigation
Temporary Permanent Temporary Permanent
be Required
Impact Conversion Impact Conversion
replanted
Total 18,325 5,463 8,855 3,417 5,893 9,876

Information submitted by the applicant explained how the impacts have been reduced to the maximum
extent practicable. Please be advised the applicant should secure any other required federal, state, and
In addition, no buffer disturbance should take place
local certifications before the project proceeds.
until the receipt of mitigation payment is submitted to the City of Greensboro.

This approval is valid only for the purpose and design that was described in the application. If any
modifications are made to the project a written notification describing the changes, must be submitted to
the City of Greensboro Water Resources Department, Engineering Division (Stormwater Engineering
Section). If the property is sold, the new owner must be given a copy of the certification and approval
letter and is thereby responsible for complying with all conditions.

This letter completes the review of The City of Greensboro, Water Resources Department, Engineering
Division (Stormwater Engineering Section) under the Determination of No Practical Alternative. If you
have any questions, please contact Virginia Spillman at 336-373-3260

Sincerely,

Virginia Spillman, PE
Engineering Supervisor Stormwater

Cc: Sue Homewood, DWQ Winston Salem Regional Office
Andy Williams, U.S. Army Corps of Engineers, Raleigh Regulatory Field Office

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