19920547 Ver al_Complete File_20100726 (2)

INITIALS:
Revi%7er
WQ Supv: -_
Date: i ra
TTT?KVn ylrllr1u51'BE ANSWERED (NIA-NOT APPLICABLE)
**?
PERMIT_YR: 92 ?? .`°?' ??
PERMIT NO:,QQaD55?. COUNTY: GUILFORD
APPLICANT NAME: STONY-eK-----WFAVER-INVES-'I LENTS v? a ?'- ccS SM
PROJECTTYPE : SUBaI-V-IS ION-FILIa 3// yr ?, .r PERMIT TYPE : N-12 b
COE #: DOT-#:
RCD FROK-CDA: APP DATE_M- CDA: 09/08/92
REG_OFFICE: WSRO RIVER_AND SUB_BASIN_0: L ? PF o 3-0? 0j-'
STREAI,t-CLASS : tJ S - I t
STR_INDEX_No: 1) _ 3 .
Wt-IMPACT?: Y1%N
WL_REQUESTED: ?.0e/
HYDRO_CNECT?: OVIN
MITIGATION? (S/N.- *7
MITIGATION SIZE:
WL_TYPE : 5-,,,
WL_ACR_EST?: O1N
WL_SCORE (#I) :
MITIGATION TYPE:
IS WETLAND RATING SHEET ATTACHED?: Y/v
RECOMMENDATION (Circle One): ISSUE ISSUE/COND DENY
COMMENTS : _ No safe i,'s f/. to
cc: Regional Office
Central Files
r A'Ut a
State of North Carolina
Department of Environment, Health, and Natural Resources
Division of Environmental Management
512 North Salisbury Street • Raleigh, North Carolina 27604
James G. Martin, Governor A. Preston Howard, Jr., P.E.
William W. Cobey, Jr., Secretary October 2, 1992 Acting Director
Mr. Barney O'Quinn
Planning and Environmental Branch
N.C. Department of Transportation
P.O. Box 25201
Raleigh, N.C. 27611-5201
Dear Mr. O'Quinn:
Subject: Proposed fill in Wetlands or Waters
US 311 Bypass, from west of Oak Hollow Reservoir to US
29/70
Guilford County
DEM Project # 925471, DOT # R-0609D, E, F; 8.1570601
Upon review of your request for 401 Water Quality
Certification to place fill material in an additional 1.1 acres
of wetlands or waters for road construction and bridge crossing
of Oak Hollow Lake located at US 311 from west of Oak Hollow Lake
to US 29/70 in Guilford County, we have determined that the
proposed fill can be covered by General Water Quality
Certifications No. 2671 and 2745 issued January 21, 1992. Copies
of the General Certifications are attached. These Certifications
may be used in qualifying for coverage under Corps of Engineers'
Nationwide Permit No. 26 and 25, respectively.
If you have any questions, please contact John Dorney at
919-733-1786.
Sincerely,
L I' "L?
\?. reston Howard, Jr. P.E.
jrd/us3lla.ltr I
J
Attachment
cc: Wilmington District Corps of Engineers
Corps of Engineers Raleigh Field Office
Winston-Salem DEM Regional Office
Mr. John Dorne REGIONAL OFFICES
Asheville Centl?allteFlqes &oresvillc R9alcigh 47 Washington Wilmington Winston-Salcm
704/251-6 ???nri?ls9/4 rt704 Gf?3.IG99 wilali/ e Resouce/s 46Commission5-3900 919/896-7007
Pollution Prevention Pays
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Tclcphone 919-733-7015
An Equal Opportunity Affirmative Action Employer
4'
MEMORANDUH
TO: John Dorney, Division of Environmental. Management
FROM: Dennis Stewart, Manager,
Habitat Conservation Program
Date: October L, 1992
SUBJECT: N. C. Department of Transportation (NCDOT) revisions to
request for 401 Water Quality Certification, US 311
Bypass (High Point Exist Bolt) from west of High Point
Reservoir to Interchange at US 29/70, Guilford County,
North Carolina; TIP Nos. R--0609D, E, F.
The N. C. Wildlife Resources Commission (NCWRC) has reviewed
the subject revisions to the application for 401 Water, Quality
Certification, as well as associated draft mitigation site plans.
0 multi-agency site visit was conducted an August 27, 1992. Our
comments are provided in accordance with this Fish and Wildlife
Coordination fact (48 Stat. 401, as amended; 16 U.C.C. 661--667d).
The proposed project involves 'F'ill of 3.94 acres of wetlan&;
within the Oak Hallow Lake watershed. Proposed mitigation
includes avoidance of surface water fill in Oak Hollow Lake by
placement of a full span over the reservoir, coupled with
enhancement, restoration and/or creation of multiple wetland
sites within the watershed. Highway design will also minimize
risk of chemical spills and resulting fish kills in the reservoir
and adjacent waters.
The NCWRC appreciates the difficulty of locating suitable
mitigation sites and commends the NCDOT for its efforts to
minimize surface water impacts. Given the commitment of the
NCDOT to minimize and mitigate for unavoidable impacts to water
resources on the project area, the NCWRC offers no oQinction to
issuance of t h e 401 Water Quality C er'. i 1= i s a't i o n^ as r i_ v is t_ d.
However, we recommend that mitigation sites be prioritized to
maximize the use of enhancement and restoration sites, due to the
higher probability of success in developing such sites over that
of wetland creation. We also request that the NCDOT continue to
._ ?- -
memo Pago October 2, 1992
involve the NCWRC in the ongoing development of mitigation plans
for this project. Given the extent of development on adjacent
land, the Oak Hollow Lake basin will become increasingly
important as fish and wildlife habitat in the region, and VgCce,Sr /y
development of mitigation areas will directly affect the value of
such habitat-.
Thank you for the opportunity to provide input to the permit
review process for this project. If we can further assist your
office, please call David Yow, Highway Project Coordinator, at
[phone]. ,
cc: Larry Warlick, District `°, Wildlife Biologist
Shari Bryant, District 5 Fisheries Biologist
David Yow, Highway Project Coordinator
DLS/DLY
DEPARTMENT OF THE ARMY
WILMINGTON DISTRICT, CORPS OF ENGINEERS
P.O. BOX 1890
WILMINGTON, NORTH CAROLINA 28402-1890
IN REPLY REFER TO October 8, 1992
Regulatory Branch
Action ID. 199101397 and Nationwide Permits No. 26 and No. 25
North Carolina Department
of Transportation
Division of Highways
Planning and Environmental Branch
ATTN: Mr. L. Jack Ward
Post Office Box 25201
Raleigh, North Carolina 27611
a?M?°??
GGi ? 5 i9?2
WETLAUS CR0L1?
% ATFR OUALITY_SEC11!
Dear Mr. Ward:
Reference is made to your request (Pre-Discharge Notification) for
Department of the Army permit authorization to discharge fill material into
jurisdictional waters of the United States for the proposed U.S. 311 Bypass
(High Point East Belt) from West of High Point Reservoir to an interchange at
US 29/70; T.I.P. Nos. R-0609D, E, F; State Project No. 8.1570601.
Your application package included proposed impacts at twenty-five single
and complete project sites located from the existing U.S. 311 to the U.S.
29/70 Interchange, a distance of approximately 8 miles. Our review of your
plans indicates that sites 3 thru 6 and 8 thru 25 are all located above the
headwaters of the impacted tributaries with each involving less than an acre
of impacts to jurisdictional waters of the United States, including wetlands.
Sites 1 and 2 involve impacts of 6.54 acres (total) to jurisdictional waters
of the United States adjacent to the above waters of Hiatt Branch associated
with the construction of Ramp D. The remaining site (Site 7) is a crossing of
a finger of Oak Hollow Lake. It is proposed to bridge this crossing entirely,
with the only fill in surface waters or wetlands consisting of concrete
footings for bridge pilings. This crossing may be authorized under Nationwide
Permit No. 25 for structural discharges provided all conditions (enclosed) of
this nationwide permit are met.
For the purposes of the U.S. Army Corps of Engineers' Regulatory Program,
Title 33, Code of Federal Regulations (CFR), Part 330.6, published in the
Federal Register on November 22, 1991, lists nationwide permits (NWP).
Authorization was provided, pursuant to Section 404 of the Clean Water Act,
for discharges of dredged or fill material into headwaters and isolated waters
provided:
a. The discharge does not cause the loss of more than 10 acres of waters
of the United States;

-2-
b. The permittee notifies the District Engineer if the discharge would
cause the loss of waters of the United States greater than one acre in
accordance with the "Notification" general condition. For discharges in
special aquatic sites, including wetlands, the notification must also include
a delineation of affected specific aquatic sites, including wetlands; and
c. The discharge, including all attendant features, both temporary and
permanent, is part of a single and complete project.
Your proposed work, involving adverse modification to of less than an acre
of waters of the United States located above the headwaters of the tributaries
of Sites 3 thru 6 and 8 thru 25, is authorized by NWP provided it is
accomplished in strict accordance with the enclosed conditions. Your proposed
work for sites 1 and 2, involving adverse modification of 6.54 acres of waters
of the United States located above the headwaters of Hiatt Branch is also
authorized by NWP provided it is accomplished in strict accordance with the
enclosed conditions. In addition, to compensate for impacts to Hiatt Branch
you must implement and comply with a final mitigation plan, coordinated with
and approved by my staff, which incorporates the draft mitigation plan dated
September 18, 1992, and revised October 5, 1992. Construction of the
mitigation sites will be initiated at such time to provide for planting of
vegetation the first suitable planting period (December 1 through March 15)
following commencement of project construction. If you cannot meet this
timetable due to construction staging, you should submit written documentation
to this office justifying the reason for a delay, as well as the anticipated
date of mitigation construction.
Please be aware that this authorization does not relieve you of the
responsibility to obtain any other required or local approval. You should
contact Mr. John Dorney, North Carolina Division of Environmental Management,
[phone], to obtain the necessary Section 401, Water Quality
Certification prior to starting work.
This verification will be valid for 2 years from the date of this letter
unless the NWP authorization is modified, reissued, or revoked. Also, this
verification will remain valid for the 2 years if, during that period, the NWP
authorization is reissued without modification or the activity complies with
any subsequent modification of the NWP authorization. If during the 2 years,
the NWP authorization expires or is suspended or revoked, or is modified, such
that the activity would no longer comply with the terms and conditions of the
NWP, activities which have commenced (i.e., are under construction) or are
under contract to commence in reliance upon the NWP will remain authorized
provided the activity is completed within 12 months of the date of the NWP's
expiration, modification or revocation, unless discretionary authority has
been exercised on a case-by-case basis to modify, suspend, or revoke the
authorization.
-3-
Thank you for your time and cooperation. If you have any questions,
please contact Mr. John Thomas, Raleigh Regulatory Field Office, telephone
[phone].
Sincerely,
G. Wayne Wright
Chief, Regulatory Branch
Enclosures
Copies Furnished (without enclosures):
Mr. John Parker
North Carolina Department of
Environment, Health and
Natural Resources
Post Office Box 27687
Raleigh, North Carolina 27611-7687
Mr. John Dorney
Wafter Quality Section
Division of Environmental Management
orth Carolina Department of
Environment, Health and
Natural Resources
Post Office Box 27687
Raleigh, North Carolina 27611-7687
.\?. C. DEPARTMENT OF THANSPOwnt'rION
DATE
TRANSMITTAL SLIP G -3 - to
TO: REF. NO. OR ROOM, BLDG.
Mr. John Dorney
Water Quality Planning
DEM, DEHNR
Room 625-D
Archdale Building
? PLEASE ANSWER U FOR TO- ?.vnn?n,e
? PREPARE REPLY FOR MY SIGNATURE ? SIGNATURE
? TAKE APPROPRIATE ACTION ? INVESTIGATE AND REPORT
COMMENTS:

JAMES G. MARTIN
GOVERNOR
THOMAS J. HARRELSON
SECRETARY
STAIZ
11 zsy
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SEP 7ril?"-7'2
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
P.O. BOX 25201
RALEIGH 27611-5201
September 2, 1992
District Engineer
U.S. Army Corps of Engineers
Post Office Box 1890
Wilmington, North Carolina, 28402-1890
ATTENTION: G. Wayne Wright
Chief, Regulatory
Dear Sir:
SUBJECT: Guilford County -
Belt) from West o
Interchange at US
State Project No.
On February 28, 1991,
Transportation submitted a
section of the proposed US
extending from west of the
west of NC 68, Eastchester
revised application, which
impacts and mitigation omi
submitted on September 23,
lulu
DIVISION OF HIGHWAYS
WILLIAM G. MARLEY, JR., P.E.
STATE HIGHWAY ADMINISTRATOR
Branch
US 311 Bypass (High Point East
f High Point Reservoir to
29/70; T.I.P. Nos. R-0609D,E,F;
8.1570601
the North Carolina Department of
Pre-discharge Notification for the
311 Bypass (High Point East Belt)
High Point Reservoir to 2000 feet
Drive (T.I.P. No. R-0609D). A
included addititional wetland
tted from the first package, was
1991.
The proposed work would involve fill in 5.94 acres of
wetlands associated with Hiatt Branch, which drains into Oak
Hollow Lake, a water supply for the City of High Point. on
May 2, 1991, the North Carolina Division of Environmental
Management (DEM) notified us that an Individual 401 Water
Quality Certification would be required for impacts on Hiatt
Branch. Subsequently, DEM initiated an extensive review of
the proposed project. This included publishing of a Public
Notice in the Greensboro News and Record, and High Point
Enterprise, followed by a 30-day public comment period. The
Director of DEM determined that a Public Hearing would be
necessary to allow NCDOT to explain the design constraints to
An Equal Opportunity/Affirmative Action Employer
the public, and to record public comments for and against the
proposed design. A Public Hearing was held in the City of
High Point Council Chambers on January 7, 1992, and was
followed by a 30-day public comment period.
On May 7, 1992, DEM completed its review period for the
project. Through this review process, DEM requested
justification of the proposed wetland fill, particularly at
Ramp "D", and stipulated that unavoidable impacts must be
mitigated within the Oak Hollow Lake watershed. DEM
suggested that construction alternatives which would have
less or no impact on Hiatt Branch should be investigated. In
order to illustrate design constraints at this location,
NCDOT studied three alternatives which would reduce, but not
eliminate, the total wetland fill required. A copy of the
summary describing these alternatives is attached. Copies of
preliminary design drawings of these alternatives will also
be furnished at your request. During the Public Hearing, a
design engineer presented drawings of these alternatives and
described the advantages and disadvantages of each. NCDOT's
opinion is that these alternatives are not justifiable due to
prohibitive cost and/or traffic operations problems when
compared to the amount of wetland fill avoided.
Designation and acquisition of the highway corridor has
been ongoing since 1962. During the past 30 years, northern
High Point has been extensively developed, often immediately
up to the reserved US 311 Bypass right-of-way. Additionally,
Oak Hollow Lake was flooded in the early 1970's. Therefore,
alternate locations were not pursued due to design
infeasibility, the potential for more extensive lake
crossings, and/or potential number of relocatees.
Mitigation of wetland impacts within the 32-square mile
Oak Hollow Lake watershed has proven to be particularly
difficult. Most of the extensive bottomland forests which
were historically located in this area were flooded when Oak
Hollow Lake was created in the early 19701s. Simultaneously,
development pressure around the lake and along the US 311
East Belt corridor consumed much of the available real
estate. Other properties without forested vegetative cover
are typically easements maintained for water, sewer,
petroleum and natural gas pipelines. Additionally, areas
which have not been developed may be protected under City of
High Point Environmental Regulations. Under Chapter 7
(Watershed Protection Overlay Districts) of these
regulations, a 50-foot buffer of natural vegetation must be
maintained around Oak Hollow Lake and its tributaries.
Furthermore, development is not allowed within Tier 1 (200
feet from the normal pool) of the Watershed Critical Area
District. These regulations have effectively prevented
widespread degradation of wetlands and adjacent uplands
within the watershed. Given the paucity of extensive,
degraded bottomland hardwood sites in the Oak Hollow Lake
watershed, coupled with restriction of NCDOT's eminent domain
for mitigation purposes, compensation will necessarily
consist of a combination of sites and types (in-kind or out-
of-kind, enhancement, creation, restoration) of wetland
mitigation.
In response to NCDOT's commitment to provision of
compensatory mitigation within the Oak Hollow Lake watershed,
DEM issued an Individual 401 Water Quality Certification on
August 6, 1992. This certification is conditioned upon 1)
prevention of significant increases in turbidity, and 2)
wetland mitigation and monitoring plans, success criteria,
and remediation measures at sites to be agreed upon by DEM
and NCDOT. On August 27, 1992, personnel from DEM, DOA
(Raleigh Field Office), and the North Carolina Wildlife
Resources Commission visited six sites which are available
and have some promise for wetland mitigation. At that time,
these agencies indicated that enough acceptable mitigation
acreage should be available to allow at least 1:1 replacement
of the affected wetlands. As details of the mitigation plan
are negotiated with DEM, this information will be forwarded
to you.
On May 18, 1992, you requested revision of the existing
permit application to include a project with independent
function and utility. The attached application package
includes anticipated impacts from existing US 311 to the US
29/70 interchange, a distance of approximately eight miles.
The permit drawings illustrate all proposed work in wetlands
and surface waters. It is anticipated that 22 of the 23
sites may be permitted under Nationwide Permit =26 for
projects Above Headwaters, 33 CFR 330.5(3). The remaining
site (Site VII) is the crossing of a finger of Oak Hollow
Lake. NCDOT proposes to bridge this crossing entirely, so
that no fill in surface waters or wetlands will be necessary.
Retention basins will be situated at either end of the bridge
to prevent contamination of Oak Hollow Lake in the event of a
hazardous waste spill. it is anticipated that this bridge
may be allowed under Nationwide Permit No. 25 for Structured
Discharge.
Application is hereby made for Department of the Army,
Corps of Engineers permits as required for such activities.
By copy of this letter, we are also requesting 401 Water
Quality Certification by the North Carolina Division of
Environmental Management for the section of the High Point
East Belt not included in the Certification issued August 9,
1992. This extends from 2000 feet west of NC 68 (Eastchester
Drive) to the proposed interchange at US 29/70 (T.I.P. Nos.
R-0609E & F).
If you require additional information, please contact
Cyndi Bell at [phone].
Sincerely,
B.J.- P.E.
Assistant Manager
Planning & Environmental Branch
cc: Mr. John Dorney, DEM, DEHNR
Mr. G.T. Shearin, P.E., Roadway Design
Mr. Kelly Barger, P.E., Project Management
Mr. Don Morton, P.E., Highway Design
Mr. A.L. Hankins, P.E., Hydraulics
Mr. Victor Barbour, P.E. Design Services
Mr. John Smith, P.E., Structure Design
Mr. W.D. Johnson, Roadside Environmental
Mr. Gary Jessup, Program Development
Mr. Jimmy Lee, P.E., Bridge Maintenance
Mr. J.W. Watkins, P.E., Division 7 Engineer

JAMES G MARTIN
GOVERNOR
THOMAS J. HARRELSON
SECRETARY
MEMORANDUM TO:
FROM:
SUBJECT:
100ON- Aa00
STATE
STATE OF NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
P.O. BOX 25201
RALEIGH 27611-5201
January 2, 1992
Mr. Jack Ward, P. E.
Planning & Environmental
DIVISION OF HIGHWAYS
WILLIAM G. MARLEY. JR.. P.E.
STATE HIGHWAY ADMINISTRATOR
Tom Shearin, P. E. ???./?/r
Roadway Design
Project R-609 D, High Point East Belt
Alternates Studies for Hiatt Branch Wetlands
Attached are preliminary drawings of three alternates with
costs estimates and descriptions of the conditions for your use
in the permit application with D. E. M.
All of these alternates present significant costs and/or
traffic operations problems. There is no feasible or reasonable
alternate to completely avoid this wetland site within this East
Belt Corridor which has been well established and protected by
the City of High Point over the last 30 years.
Alternate 1 is an attempt to minimize the wetland/vernal
pool disruption by constructing massive retaining walls along
Ramp D to retain the fill slopes from encroaching on the
wetlands. The ramp is relocated approximately 100' northward
from its presently proposed location in the immediate vicinity of
the vernal pool.
Alternate 2 utilizes the present ramp alignment, but bridges
over the vernal pool with an 1100' long structure (750' of
additional length on the current grade separation bridge)
Alternate 3 eliminates Ramp D by placing this traffic
movement on a loop. This is a less expensive construction
alternate when compared to the cost of Ramp D; however, the
traffic service resulting from this condition is not acceptable.
The mainline of the proposed Bypass still crosses Hiatt Branch
and will have an impact on the wetlands, if not the vernal pool
itself.
Attached are drawings and a summary of information for each
alternated. If additional information is needed, contact me,
Leroy Smith or Paul Schrum of my staff.
GTS
Attachments
cc: Mr. D. R. Morton, P. E.
Mr. J. T. Peacock, Jr., P. E.

An Equal Opportunity/Affirmative Action Employer
7
Project R-609 D.... High Point East Belt
Hiatt Branch Area Alternate Studies
Ramp D
ALTERNATE 1.... Use of retaining walls to avoid vernal pool
A. Cost... additional costs associated with this alternate:
*Construction:..$2,050,000
This includes two retaining walls, one 350, in length,
30' in height and a second 500f long, 30' high adjacent
to Ramp D. The alignment is shifted away from the
vernal pool but still crosses a significant area of the
wetland of the creek.
*R/W....estimated at $300,000...2 homes
Two new homes will have to be purchased due to the
alignment shift of the ramp plus the acquisition of two
additional house lots.
* Total cost increase... $2,350,000
B. The proposed flyover bridge on Ramp D over the mainline
will have to be redesigned. The present bridge design has
been completed by a consultant at a design cost of $50,000
and would require redesign.
C. A project construction delay of approximately 1.5 years
will be required to purchase additional R/W, relocate 2
families, redesign project.
D. The quality of the vernal pools will be impacted due to
presence of the highway facility on both sides of the wet
area. The walls will keep the embankment off of the pool
but due to the proximity of the ramp and US 311 mainline,
the current water flow into the pool and wetlands area
will be significantly changed. The conditions and
character surrounding the site will be drastically
changed.
Project R-609 D.... High Point East Selz
Hiatt Branch Area Alternate Studies
Ramp D
ALTERNATE 2.... Bridging over wetland and vernal pool
A. Cost... additional costs associated with this alternate:
*Construction...$1,550,000
This includes lengthening the presently proposed bridge
which carries Ramp D over the US 311 Bypass mainline.
This will result in a total bridge length of 1100 feet
along the presently proposed Ramp D alignment. This
will place the bridge directly above the pool area.
This cost includes the benefit of a reduction in the
paving and earthwork cost associated with the
construction of the original Ramp D proposal.
*R/W...no additional right of way is anticipated
B. The proposed flyover bridge on Ramp D over the mainline
will have to be redesigned. The present bridge design has
been completed by a consultant at a design cost of $50,000
and would require redesign at an additional cost of
approximately $150,000.
C. A project construction delay of approximately 1.5 years
will be required to redesign project.
D. The-quality of the vernal pools will be impacted due to
presence of the highway facility above and along the south
sides of the wet area, in addition to impact caused by
construction of the bridge foundation. The bridge will
keep the embankment off of the pool but will require the
loss of tree cover due to the proximity of the bridge and
US 311 mainline, the current water flow into the pool and
wetlands area will be significantly altered. The
conditions and character surrounding the site will
detriorate.

Project R-609 D.... High Point East 3elt
Hiatt Branch Area Alternate Studies
Ramp D
Alternate 3....EIiminat4on of Ramp D
"his alternate eliminates the Construction of Ramp E and thus
minimizes the involvement with the wetlands and vernal pools.
The US 311 mainline will continue in its proposed crossing of
the site. Elimination o= Ramp D requires ' of
an alternate ramp to accommodate this vital con,truc;ion c?
connection into North Main Street and OldUSV311.
alternate design includes the constl r._ This
otion of a loop ramp in
the e%isting desigIl for the flyover interchange north of the
Hiatt Branch area. This new loop ramp is not acceptable
the standpoint of traffic service and safety conditions dueom
to the out-of-direction, circuitous travel regtired to make
the connections bac". into Nortll Main Street and Old US 311.
A dangerous traffic weave condition alld left side entrance
will be required.
Also, removal of Ramp D eliminates a vital _oadwav which will
serve as the future extension of the High Point East Belt
project across Old US 311, providing an e:;tensicn to NC 65,
This future extension is contained in the High ?oillt
Thoroughfare Plan. .
?. Cost
The elimination of Ramp E gill r_Sult _
_il a D
rJ] ?Ct ' js
reduction of appro:?imately 37195:00'j-; Ilowev.?I- t.1e replac?me::t
of Ramp D wltil tine revised lOOp C.Ilfigt:rati011 will it t
provide an equal or acceptable traffic` se
This cost reduction lncl.?1cec ..h y r?'=C r? lna ?m=i1
., ' reaucl.l'?/'1 1:' .e Ra.np L
bridge, earthwcrk and pavement and
cost also c..ilt3_;13 tile add?:d
of paveme:.t for the ?,
loss - .`;v 1 ;cp. °de. ign o= ;n` bI
of ? design cost- tW '1`x`7-:
of-way acquisltion On two br,.dgeS and _ a:r__ C :net-
?
B. A project construction delay of appro,imat-ly 1.5 y-a'_s
will be required to redesign project. - _
C. The wetlands impacts will obviously be minimized witll
this alternate; however, the presence of tale US 311
mainline facility along the south of this area may change
the conditions and character surrounding the site.
DEM ID: 91258• WQ( .4 ?7fR ACTION ID: 199101397
JOINT APPLICATION FORM FOR
NATIONWIDE PERMITS THAT REQUIRE NOTIFICATION TO THE DISTRICT ENGINEER
NATIONWIDE PERMITS THAT REQUIRE SECTION 401 CERTIFICATION CONCURRENCE
NATIONWIDE PERMITS THAT REQUIRE INDIVIDUAL SECTION 401 CERTIFICATION
WILMINGTON DISTRICT ENGINEER
CORPS OF ENGINEERS
DEPARTMENT OF THE ARMY
P.O. BOX 1890
WILMINGTON, NC 28402-1890
ATTN: CESAW-CO-E
Telephone [phone]
WATER QUALITY PLANNING
DIVISION OF ENVIRONMENTAL MANAGEMENT
NC DEPARTMENT OF ENVIRONMENT, HEALTH,
AND NATURAL RESOURCES
P.O. BOX 29535
RALEIGH, NC 27626-0535
ATTN: MR. JOHN DORNEY
Telephone [phone]
ONE (1) COPY OF THIS COMPLETED APPLICATION SHOULD BE SENT TO THE CORPS OF
ENGINEERS. SEVEN (7) COPIES SHOULD BE SENT TO THE N.C. DIVISION OF
ENVIRONMENTAL MANAGEMENT. PLEASE PRINT.
1. OWNERS NAME:
North Carolina Department of Transportation
2. OWNERS ADDRESS:
P_n_ Rox 25201. Raleiqh, North Carolina, 27611
3. OWNERS PHONE NUMBER (HOME):
(WORK) : (9,19) 733-9770
4. IF APPLICABLE: AGENT'S NAME OR RESPONSIBLE CORPORATE OFFICIAL, ADDRESS,
PHONE NUMBER: '
5. LOCATION OF PLANNED WORK (ATTACH MAP).
COUNTY: G1i1ford --
NEAREST TOWN OR CITY: '
SPECIFIC LOCATION (INCLU E ROAD NUMBERS, LANDMARKS, ETC.):
US 311 RypaSS (High Point Fact Ralt) nn naw lnratinn frnm
west of High Point resarvnir to I1S 29/7n
6. NAME OF CLOSEST STREAM/RIVER: Hiatt Branch/ Oak Hnl Invi I aka
7. RIVER BASIN: Cape Fear
8. IS THIS PROJECT LOCATED IN A WATERSHED CLASSIFIED AS TROUT, SA, HQW, ORW,
WS I, OR WS II? YES [ ] NO [x] Hiatt Branch is classified WS III
9. HAVE ANY SECTION 404 PERMITS BEEN PREVIOUSLY REQUESTED FOR USE ON THIS
PROPERTY? YES [x] NO [ ] Application and revision submitted on
IF YES, EXPLAIN.
10. ESTIMATED TOTAL NUMBER OF ACRES OF WETLANDS LOCATED ON PROJECT SITE:
na 271/92

-2-
5
lv
l
INCLUDING WETLANDS, IMPACTED BY
FILL-D.
11. NUMBER OF ACRES OF WATERS OF THE U.S.,
THE PROPOSED PROJECT: 7 nA
DRAINED:
FLOODED: ----
EXCAVATED: ----
TOTAL IMPACTED:7,04
12. DESCRIPTION OF PROPOSED WORK (ATTACH PLANS):
Construction of rnntrnllPri arreccy n-lance riivi?p? hinhway
13. PURPOSE OF PROPOSED WORK:
Public Transportation
14. STATE REASONS WHY THE APPLICANT BELIEVES THAT THIS ACTIVITY MUST BE
CARRIED OUT IN WETLANDS. ALSO, NOTE MEASURES TAKEN TO MINIMIZE WETLAND
IMPACTS. The linear geometry of the project makes i impossihlP to Pliminate
all possibilities of crossings wetlands. The highway/ will crnss
Oak Hollow Lake at the narrowest point possible.
15. YOU ARE REQUIRED TO CONTACT THE U.S. FISH AND WILDLIFE SERVICE
(USFWS) AND/OR NATIONAL MARINE FISHERIES SERVICE (NMFS) REGARDING THE PRESENCE
OR ANY FEDERALLY LISTED OR PROPOSED FOR LISTING ENDANGERED OR THREATENED
SPECIES OR CRITICAL HABITAT IN THE PERMIT AREA THAT MAY BE AFFECTED BY THE
PROPOSED PROJECT. HAVE YOU DONE SO? YES [xx] NO [ ]
RESPONSES FROM THE USFWS AND/OR NMFS SHOULD BE FORWARDED TO CORPS.
16. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OFFICER
(SHPO) REGARDING THE PRESENCE OF HISTORIC PROPERTIES IN THE PERMIT AREA WHICH
MAY BE AFFECTED BY THE PROPOSED PROJECT? YES Gcx] NO [ ]
HAVE YOU DONE S0.
RESPONSE FROM THE SHPO SHOULD BE FORWARDED TO CORPS.
17. ADDITIONAL INFORMATION REQUIRED BY DEM:
A. WETLAND DELINEATION MAP SHOWING ALL WETLANDS, STREAMS, AND LAKES ON
THE PROPERTY. See attached permit drawings.
B. IF AVAILABLE, REPRESENTATIVE PHOTOGRAPH OF WETLANDS TO BE IMPACTED BY
PROJECT. ........
C. IF DELINEATION WAS PERFORMED BY A CONSULTANT, INCLUDE ALL DATA SHEETS
RELEVANT TO THE PLACEMENT OF THE DELINEATION LINE. -------
D. IF A STORMWATER MANAGEMENT PLAN IS REQUIRED FOR THIS PROJECT, ATTACH
COPY. (S;tannda1rdNCDOT Best Management Practices and Sediment and Erosion
E. WHAT Ignt,& NP W SURROUNDING PROPERTY?Urban Residential and Commercial

F. IF APPLICABLE, WHAT IS PROPOSED METHOD OF SEWAGE DISPOSAL?
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DIVI51014 OF HIGHWAYS
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DIVISION OF HIGHWAYS
GUILFORD CO.
PROJECT 8.1.570601 (R609D,
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N.C. DEPT. OF TRANSPORTATI(
DIVISION OF HIGHWAYS
GUILFQRD CO.
PROJECT 8.1570601 (R609D,
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US 311 HIGH POINT EAST BE]
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DIVISION OF HIGHWAYS
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PROJECT 8.1570601 (R609D,
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US 311 HIGH POINT EAST BELT
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v \N

SUMMARY REPORT
SITE STATION S TRUCTURE PERMIT IMPACTED FILL IN SURFACE
,,TYPE TYPE WETLANDS WATERS (ACRES)
(ACRES)
I 69+00 TO NATION WIDE 26 3.9 AC. 0.38 AC.
81+50 -L-
II 86+00 TO NATION WIDE 26 2.04 AC. 0.26 AC.
96+00 -L-
III 108+00 -L- 2 Q 6' X 51 NATION WIDE 26 0.0 AC. 0.08 AC.
RCBC
IV 121+30 -L- 48" RCP NATION WIDE 26 0.0 AC. 0.02 AC.
V 137+10 -L- 2 e 48" RCP NATION WIDE 26 0.0 AC. 0.03 AC.
VI 148+35 -L- 24" RCP NATION WIDE 26 0.0 AC 0.02 AC.
7 VII 172+00 -L- BRI DGE • ;NATIONWIDE 25 0.0 AC. 0.0 AC
VIII 214+40 -L- 2 Q 61 X 41 NATION WIDE 26 0.0 AC. 0.05 AC.
RCBC
IX 242+60 -L- 3C a 121X 101 NATION WIDE 26 0.0 AC. 0.1 AC.
RCBC
X 258+35 -L- 36" RCP NATION WIDE 26 0.0 AC. 0.1 AC.
XI 273+50 -L- 54" RCP NATION WIDE 26 0.0 AC. 0.1 AC.
XII 299+70 -L- 54" RCP NATION WIDE 26 0.0 AC. 0.06 AC.

H.C. DEPT. OF TRANSPORTATIOII
DIVISION OF HIGHWAYS
GUILFORD CO.
PROJECT 0.1570801 (ROOBD,
R609E, i R609F)
U3 311 HIGH POINT EAST BELT
Sheet 32 of 34
I q of ,
SITE STATION STRUCTURE PERMIT IMPACTED FILL IN SURFACE
TYPE TYPE WETLANDS WATERS ( ACRES)
(ACRES)
XIII 309+00 -L- 5411 RCP NATION WIDE 26 0.0 AC. 0.07 AC.
XIV 330+00 -L- NATION WIDE 26 0.4 AC. 0.0 AC.
XV 345+00 -L- 6611 RCP NATION WIDE 26 0.3 AC. 0.2 AC.
XVI 384+00 TO 6'X 6' RCBC NATION WIDE 26 0.0 AC. 0.4 AC.
398+50 -L-
XVII 430+00 -L- 3 @ 111X 14' NATION WIDE 26 0.0 AC. 0.4 AC.
RCBC
XVIII 9+60 RMP C 71X 5' RCBC NATION WIDE 26 0.0 AC. 0.04 AC.
-Y12-
XIX 18+30 -Y12- 2 @ 8'X 5' NATION WIDE 26 0.0 AC. 0.06 AC.
RCBC
XX 10+06 RMP B 91X 9' RCBC NATION WIDE 26 0.0 AC. 0.05 AC.
CNN-BA
XXI 9+00 RMP A NATION WIDE 26 0.4 AC. 0.0 AC.
CNN-AD
XXII 11+40 RMP C 91X 9' RCBC NATION WIDE 26 0.0 AC. 0.07 AC.
CNN-BA
XXIII 61+15 3 @ 11'X 14' NATION WIDE 26 0.0 AC. 0.07 AC.
-Y13- R CBC 6 CHANNEL
CH ANGE
H.C. DEPT. OF TRANSPORTATION
DIVISION OF HIGHWAYS
GUILFORD CO.
PROJECT 8.1570501 (R609D,
R609E, i R509F)
I US 311 HIGH POINT EAST BELT
Sheet 33 of 34
r •
RIPARIAN LANDOWNERS
High Point Board of Education
Post Office Box 789
High Point, North Carolina 27261
Siceloff Oil and Coal Co.
Post Office Box 327
High Point, North Carolina 27261
A. J. Tivada
Post Office Box 5965
High Point, North Carolina 27262
B. M. Nixon
513 Aberdeen Road
High Point , North Carolina 27260
W. R. McKinzie
1108 Glenwick Lane
High Point, North Carolina 27262
D. G. Cedolia
603 Shadybrook Road
High Point, North Carolina 27260
J. E. Isley
608 Shadybrook Road
High Point, North Carolina 27260
Charles Lohmeyer
3808 West Field Street
High Point, North Carolina 27260
D. O. Shumate
610 Shadybrook Road
High Point, North Carolian 27260
City of High Point Attn: R. U. Moss
211, South Hamilton Street
High Point, North Carolina 27260
M. T. Wiggs
3306 Hillside Drive
High Point, North Carolina 27260
S. C. Nooe
3304 Hillside Drive
High Point, North Carolina 27260
H. P. Stinson
2881 HWS.. 66 South
Kernersville, North Carloina 27284
W. A. Brown
3701 Ro_ling Road
High Point, North Carolina 27260
R. S. Sharpless
3810 Wert Field Drive
High Po:_nt, North Carolina 27260
C. J. M:_siaveg
606 Shadybrook Road
High Po:_nt, North Carolina 27260
Sheet 34 of 34
State of North Carolina
Department of Environment,
Health and Natural Resources
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., RE., Director
January 19, 1994
r Memorandum
To: Charles Hunt
NC DOT
From: John Dorne17D,
Subject: Proposed Construction Procedures for bridges Over Oak
Hollow Lake Associated with US 311 in Guilford Co.
TIP # R-609E
The Division of Environmental;Manage:nent and Mr. Linwood
O'Neal from the City of High Point concur with the procedural
change detailed in your November 30, 1993 memo and the attached
draft special provisions. I request that if possible Eric Galamb
observe the critical procedures during construction of the
bridge. This would serve two purposes. Firstly, DEM could
assure the City of High Point and other individuals that DOT is
using best management practices, and secondly, DEM would have a
better understanding of bridge construction and therefore slight
modifications to construction techniques could be more quickly
answered. Mr. Galamb can be reached at 733-1786.
1786.
Should you have any questions, please contact me at 733-
311ok.mem -
cc: Steve Mauney, WSRO
Linwood O'Neal, City of High Point
Boyd DeVane
a
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal OpportunityAffirmativo Action Employor 50%rocycled/ 10% post-consumer popor

NCDEH&NR
DEM-WSRO DEC 1 31993 r '
To: Johnn Dorney 1 T NDS UOU°
WATER U41TY SECT C,"
Through: Steve Mauney-,?°?
From: Ron Linville?/(L-
-Subject: Proposed Construction Procedures for Bridges over
Oak Hollow Lake in High Point, NC
Guilford County
Date: 931210
After reviewing the request for a procedure modification
submitted by DOT, it appears that little impact will be created by
this change providing that the procedure has been correctly
described. This is especially true considering that the water will
be pumped off a hardened concrete base and not the lakebed.
The WSRO strongly recommends that the appropriate High Point
officials concur that there will be no significant concerns with
this change as this lake is a major portion of the City's watershed
and the City has raised previous concerns about DOT operational
efficiency as pertains to water quality protection. Field
monitoring would be helpful during this process to determine the
adequacy of this procedure for future construction and permitting
purposes.
These comments are for your review and consideration. If we
can be of any other assistance, please call us at [phone].
cc: Doug Miller
WSRO
Central Files

State of North Carolina
Department of Environment, i
Health and Natural Resources a ® o
Division of Environmental Management
James B. Hunt, Jr., Governor
Jonathan B. Howes, Secretary
rr 11
A. Preston Howard, Jr., P.E., Director
DIVISION OF ENVIRONMENTAL MANAGEMENT I» _
i-?
..-
December 8, 1993
10
Mr. Linwood O'Neal
City of High Point
P.O. Box 230
itlr?:
1 o i1 ?I1 [!`
High Point, NC 27261
Dear Mr. O'Neal:
The NCDOT has proposed changes in the construction
procedures for the bridge crossing of Oak Hollow Lake. A copy of
DOT's request is enclosed for your review and comment. In
addition, the individuals copied below are also requested to
review and comment.
Please return your comments to me no later than December 23,
1993. Should you have questions, I can be reached at (919) 733-
1786.
Sinc rely,
Joh R. Dorney?iro IV
'
En ironmental Supervisor
cc: Mr. Steve Mauney, WSRO
Mr. Doug Miller, WSRO
Mr. Eric Galamb
hph20.ltr
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 101 post-consumer paper
4f'
e .?ATt
1993
GROUP F::Y SECTiOPJ
STATE OF NORTH CAROLINA
DEPARTMENT OF TkANSPORTATION
JAMES D. HUNT. )R DIVISION OF HIGHWAYS SAM HUNT
GOVERNOR
P.O. 60X 25201, RALEIGH, N.C. 27611-5201 SECRETARY
November 30, 1993
MEMO TO: Mr. John Dorney
Department of Environment,
Health and Natural Resources
Division of Environmental Management
FROM: J. L. Smith, Jr., P.E.
State Bridge Design Engineer
THROUGH: Charles Hunt, P.E.
SUBJECT: Proposed Construction Procedures for Bridges
over Oak Hollow Lake in Guilford Co.
TIP #R-609E, DEM #92547
This memo is to request a change in construction procedures
for the dewatering of the cofferdams on this project. The
present criteria for dewatering the cofferdams specifies that the
water be pumped to a containment bin to allow silt to settle
before this water is allowed to return to the lake. We request
that this procedure be changed to allow the water pumped from the
cofferdams to be placed directly back into the lake inside of the
turbidity curtain. We feel this water will contain very little
slit since the water will be pumped off concrete. The procedure
for building the bents will involve the use of a concrete seal.
This seal will be concrete that is placed through the water
completely covering the lake bottom inside the cofferdam. The
seal will be allowed to harden and then the cofferdam will be
dewatered to reveal the concrete seal and the remainder of the
bent will then be constructed. At no time will the pumping
operation disturb the bottom of the lake; therefore, we feel very
little silt will be suspended in the water pumped from the
cofferdam.
Your concurrence with this procedure change is appreciated.
If you have any questions, please contact Charles Hunt at
250-4060. In addition we have included draft copies of our
project special provisions which affect this procedure.
JLS/BCH/dby
cc: Ms. Cyndi Bell - NCDOT
I
BR- 1E.CONSTRUCTION CONSTRAINTS:
rHE LOCATION OF THE PROPOSED BRIDGES OVER OAK HOLLOW LAKE AT
STATIONS 174+59.00 -L- AND 174+98.00 -L- IS ENVIRONMENTALLY
SENSITIVE AND CONSTRUCTION METHODS SHALL BE SUCH THAT DISTURBANCE
r(D LAKE WATER QUALITY AND THE SURROUNDING AREA OF THE LAKE SHALL
3E KEPT TO A MINIMUM.
DURING CONSTRUCTION OF THE BENTS ON CONCRETE SEALS, A TURBIDITY
?URTAIN SHALL ENCLOSE THE BENT SITES AND ALL EQUIPMENT USED TO
?ONSTRUCT THE BENTS. EXCAVATED MATERIAL SHALL BE DEPOSITED IN
% WATER TIGHT BIN OR SUITABLE CONTAINMENT TO FACILITATE REMOVAL
FROM THE SITE.
4HEN DEWATERING THE COFFERDAMS, THE DISCHARGE SHALL BE PLACEED
SACK INTO THE LAKE BUT MUST BE DISCHARGED INSIDE OF THE TURBIDITY
?URTAIN
40 SEPARATE PAYMENT WILL BE MADE FOR THIS WORK. THE ENTIRE COST
)F THE ABOVE WORK, EXCEPT FOR THE COST OF THE TURBIDITY CURTAIN AND
ITS INSTALLATION, SHALL BE INCLUDED IN SEVERAL PAY ITEMS.
'LO!?.TING TURBIDITY CURTAIN:
'HE CONTRACTOR SHALL INSTALL A FLOATING TURBIDITY CURTAIN
10 ENCLOSE THE PIER SITE AND ALL EQUIPMENT USED TO CONSTRUCT
'HE BENT ON ALL BENTS ON CONCRETE SEALS FOR THE BRIDGES
?T STATIONS 174+58.00 -L- AND 174+98.00 -L-. THE CURTAIN
:S THE DETER SILT SUSPENSION AND MOVEMENT OF SILT PARTICLES INTO
)AK HOLLOW LAKE DURING CONSTRUCTION OF THE COFFERDAM AND BENT.
'HE CURTAIN MATERIAL SHALL BE MADE OF TIGHTLY WOVEN NYLON,
'LASTIC, OR OTHER NON-DETERIORATING MATERIAL. THE MATERIAL
;HALL HAVE A TENSILE STRENGTH OF 350 LBS. IN ONE DIRECTION
AND 200 LBS. IN THE OTHER DIRECTION. THE MATERIAL SHALL NOT
?XCEED 7 PERCENT OPEN AREA AND THE SIZE OF OPENINGS SHALL BE
,QUIVALENT TO U.S. STANDARD SIEVE NO. 70 (.210 MM). IN THE
,VENT THAT MORE THAN ONE WIDTH OF FABRIC IS REQUIRED, A SIX INCH
)VERLAP OF THE MATERIAL, SEWN TOGETHER, SHALL ALSO BE REQUIRED.
'HE CURTAIN MATERIAL SHALL BE SUPPORTED BY A FLOATATION MATERIAL
1AVING OVER 29 LBS./FT. BUOYANCY. THE FLOATING CURTAIN SHALL HAVE
? 5/16 INCH GALVANIZED CHAIN AS A BALLAST, AND DUAL 5/16 INCH
3ALVANIZED WIRE ROPES WITH A HEAVY VINYL COATING AS LOAD LINES.
'HE FLOATING TURBIDITY CURTAIN SHALL BE MAINTAINED IN A
;ATISFACTORY CONDITION UNTIL THE COFFERDAM IS REMOVED.
'HE QUANTITY OF FLOATING TURBIDITY CURTAIN TO BE PAID FOR UNDER
CHIS ITEM SHALL BE THE ACTUAL NUMBER OF SQUARE YARDS OF CURTAIN
INSTALLED AS SPECIFIED AND ACCEPTED.
-HE QUANTITY OF FLOATING TURBIDITY CURTAIN AS MEASURED ABOVE
1ILL BE PAID FOR AT THE CONTRACT UNIT PRICE PER SQUARE YARD FOR
'FLOATING TURBIDITY CURTAIN". SUCH PRICE AND PAYMENT WILL BE
?ULL COMPENSATION FOR THE WORK AS DESCRIBED IN THE ABOVE
?ARAGRAPHS INCLUDING BUT NOT LIMITED TO FURNISHING ALL MATERIALS,
COOLS, EQUIPMENT, AND ALL INCIDENTALS NECESSARY TO COMPLETE THE
iORK.
State of North Carolina
Department of Environment,
Health and Natural Resources 4
7o
0. Division of Environmental Management James B. Hunt, Jr„ Governor
Jonathan B. Howes, Secretary
A. Preston Howard, Jr., P.E., Director
DIVISION OF ENVIRONMENTAL MANAGEMENT
December 8, 1993
Mr. Linwood O'Neal
City of High Point
P.O. Box 230
High Point, NC 27261
Dear Mr. O'Neal:
The NCDOT has proposed changes in the construction
procedures for the bridge crossing of Oak Hollow Lake. A copy of
DOT's request is enclosed for your review and comment. In
addition, the individuals copied below are also requested to
review and comment.
Please return your comments to me no later than December 23,
1993. Should you have questions, I can be reached at (919) 733-
1786.
Sinc rely,
Joh R. Dorney?
En ironmental Supervisor
cc: Mr. Steve Mauney, WSRO
Mr. Doug Miller, WSRO
Mr. Eric Galamb
hph20.ltr
P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone [phone] FAX [phone]
An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post-consumer paper
e "' sr?tF o
DEC STATE OF NORTH CAROLINA
DEPARTMENT OF TPANSPORTATION
JAMES B. HUNT. JR. DIVISION OF HIGHWAYS
GOVERNOR
P.O. BOX 25201, RALEIGH, N.C. 27611-5201
November 30, 1993
ROtip --
SECTiCtJ
SA,m HUNT
SECRETARY
MEMO TO: Mr. John Dorney
Department of Environment,
Health and Natural Resources
Division of Environmental Management
FROM: J. L. Smith, Jr., P.E.
State Bridge Design Engineer
s /
THROUGH: Charles Hunt, P.E.
SUBJECT: Proposed Construction Procedures for Bridges
over Oak Hollow Lake in Guilford Co.
TIP #R-609E, DEM #92547
This memo is to request a change in construction procedures
for the dewatering of the cofferdams on this project. The
present criteria for dewatering the cofferdams specifies that the
water be pumped to a containment bin to allow silt to settle
before this water is allowed to return to the lake. We request
that this procedure be changed to allow the water pumped from the
cofferdams to be placed directly back into the lake inside of the
turbidity curtain. We feel this water will contain very little
slit since the water will be pumped off concrete. The procedure
for building the bents will involve the use of a concrete seal.
This seal will be concrete that is placed through the water
completely covering the lake bottom inside the cofferdam. The
seal will be allowed to harden and then the cofferdam will be
dewatered to reveal the concrete seal and the remainder of the
bent will then be constructed. At no time will the pumping
operation disturb the bottom of the lake; therefore, we feel very
little silt will be suspended in the water pumped from the
cofferdam.
Your concu
If you have
250-4060. In
project special
JLS/BCH/dby
rrence with this procedure change is appreciated.
any questions, please contact Charles Hunt at
addition we have included draft copies of our
provisions which affect this procedure.
cc: Ms. Cyndi Bell - NCDOT

BRIDGE CONSTRUCTION CONSTRAINTS:
THE LOCATION OF THE PROPOSED BRIDGES OVER OAK HOLLOW LAKE AT
STATIONS 174+59.00 -L- AND 174+98.00 -L- IS ENVIRONMENTALLY
SENSITIVE AND CONSTRUCTION METHODS SHALL BE SUCH THAT DISTURBANCE
TO LAKE WATER QUALITY AND THE SURROUNDING AREA OF THE LAKE SHALL
BE KEPT TO A MINIMUM.
DURING CONSTRUCTION OF THE BENTS ON CONCRETE SEALS, A TURBIDITY
CURTAIN SHALL ENCLOSE THE BENT SITES AND ALL EQUIPMENT USED TO
CONSTRUCT THE BENTS. EXCAVATED MATERIAL SHALL BE DEPOSITED IN
A WATER TIGHT BIN OR SUITABLE CONTAINMENT TO FACILITATE REMOVAL
FROM THE SITE.
WHEN DEWATERING THE COFFERDAMS, THE DISCHARGE SHALL BE PLACEED
BACK INTO THE LAKE BUT MUST BE DISCHARGED INSIDE OF THE TURBIDITY
CURTAIN
NO SEPARATE PAYMENT WILL BE MADE FOR THIS WORK. THE ENTIRE COST
OF THE ABOVE WORK, EXCEPT FOR THE COST OF THE TURBIDITY CURTAIN AND
ITS INSTALLATION, SHALL BE INCLUDED IN SEVERAL PAY ITEMS.
SAVE'.- UN ;FR R609EA1 )
LOATING TURBIDITY CURTAIN:
HE CONTRACTOR SHALL INSTALL A FLOATING TURBIDITY CURTAIN
O ENCLOSE THE PIER SITE AND ALL EQUIPMENT USED TO CONSTRUCT
HE BENT ON ALL BENTS ON CONCRETE SEALS FOR THE BRIDGES
T STATIONS 174+58.00 -L- AND 174+98.00 -L-. THE CURTAIN
S THE DETER SILT SUSPENSION AND MOVEMENT OF SILT PARTICLES INTO
AK HOLLOW LAKE DURING CONSTRUCTION OF THE COFFERDAM AND BENT.
'HE CURTAIN MATERIAL SHALL BE MADE OF TIGHTLY WOVEN NYLON,
LASTIC, OR OTHER NON-DETERIORATING MATERIAL. THE MATERIAL
HALL HAVE A TENSILE STRENGTH OF 350 LBS. IN ONE DIRECTION
ND 200 LBS. IN THE OTHER DIRECTION. THE MATERIAL SHALL NOT
XCEED 7 PERCENT OPEN AREA AND THE SIZE OF OPENINGS SHALL BE
,QUIVALENT TO U.S. STANDARD SIEVE NO. 70 (.210 MM). IN THE
VENT THAT MORE THAN ONE WIDTH OF FABRIC IS REQUIRED, A SIX INCH
,VERLAP OF THE MATERIAL, SEWN TOGETHER, SHALL ALSO BE REQUIRED.
'HE CURTAIN MATERIAL SHALL BE SUPPORTED BY A FLOATATION MATERIAL
:AVING OVER 29 LBS./FT. BUOYANCY. THE FLOATING CURTAIN SHALL HAVE
5/16 INCH GALVANIZED CHAIN AS A BALLAST, AND DUAL 5/16 INCH
GALVANIZED WIRE ROPES WITH A HEAVY VINYL COATING AS LOAD LINES.
'HE FLOATING TURBIDITY CURTAIN SHALL BE MAINTAINED IN A
IATISFACTORY CONDITION UNTIL THE COFFERDAM IS REMOVED.
'HE QUANTITY OF FLOATING TURBIDITY CURTAIN TO BE PAID FOR UNDER
'HIS ITEM SHALL BE THE ACTUAL NUMBER OF SQUARE YARDS OF CURTAIN
NSTALLED AS SPECIFIED AND ACCEPTED.
'HE QUANTITY OF FLOATING TURBIDITY CURTAIN AS MEASURED ABOVE
TILL BE PAID FOR AT THE CONTRACT UNIT PRICE PER SQUARE YARD FOR
FLOATING TURBIDITY CURTAIN". SUCH PRICE AND PAYMENT WILL BE
'ULL COMPENSATION FOR THE WORK AS DESCRIBED IN THE ABOVE
'ARAGRAPHS INCLUDING BUT NOT LIMITED TO FURNISHING ALL MATERIALS,
.'OOLS, EQUIPMENT, AND ALL INCIDENTALS NECESSARY TO COMPLETE THE
IORK.