19890342 Ver 1_Complete File_19890101

DIVISION OF ENVIRONMENTAL MANAGEMENT
Date: September 11, 1989
To: Bill Mills
Planning Branch r
From: James H. Gregson
Wilmington egional O i e
Through: Donald Sa it
Wilmington Regional f c jr
Subject: Regional Office Review and Recommendations
Application for Permit for Excavation and/or Fill
Project # 8908-M
CD89-10 / M.O.S.T.U. Repairs
Brunswick County

PROJECT DESCRIPTION: The Military Ocean Terminal, Sunny Point,
Brunswick County, North Carolina proposes to upgrade the existing
water system.
The project has been reviewed to determine impacts to water
quality. The following comments have been provided.
1. The project will not require a 401 Water Quality
Certification.
2. The proposed project should be done in such a way as to not
cause the turbidity outside the immediate construction are
to exceed 25 NTU.
3. A State Non-Discharge permit will be required for the filter
backwash treatment and disposal system.
This office has no objection to the project as proposed.
JHG:8908-M.SEP
cc: Jim Gregson
WiRO, CF

DIVISION OF ENVIRONMENTAL MANAGEMENT
MEMORANDUM
Date: September 11, 1989
To: Bill Mills
Planning Branch
From: James H. Gregson
Wilmington,56gional O i e
Through: Donald Sa i_t ''
Wilmington Regional"Oq c
Subject: Regional Office Review and Recommendations
Application for Permit for Excavation and/or Fill
Project # 8908-M
CD89-10 / M.O.S.T.U. Repairs
Brunswick County
PROJECT DESCRIPTION: The Military Ocean Terminal, Sunny Point,
Brunswick County, North Carolina proposes to upgrade the existing
water system.
The project has been reviewed to determine impacts to water
quality. The following comments have been provided.
1. The project will not require a 401 Water Quality
Certification.
2. The proposed project should be done in such a way as to not
cause the turbidity outside the immediate construction are
to exceed 25 NTU.
3. A State Non-Discharge permit will be required for the filter
backwash treatment and disposal system.
This office has no objection to the project as proposed.
JHG:8908-M.SEP
cc: Jim Gregson
WiRO, CF

CONSISTENCY DETERMINATION
REPAIRS TO THE WATER DISTRIBUTION SYSTEM
AND
CONNECTION TO THE COUNTY WATER SYSTEM
MILITARY OCEAN TERMINAL, SUNNY POINT, NORTH CAROLINA
31 July 1989
PROJECT DESCRIPTION. The Military Ocean Terminal, Sunny Point, Brunswick
County, North Carolina proposes to upgrade/rehabilitate the existing water
system by connecting to the Brunswick Water System and rehabilitating
Booster Pump Station No. 2 (BPS2) which will use wells no. 2 and no. 3 as
water sources. The project is discussed in further detail in the attached
Water System Upgrade, Concept Design, dated May, 1989.
The majority of the work will be performed within the reservation
boundaries. In accordance with the North Carolina Coastal Management
Program (15 CFR 923.33(a)), MOTSU is excluded from the coastal zone as a
listed Federal land. However, a small portion of the work will be performed
outside of the reservation (the access road from MOTSU to N.C. Highway 133)
which is not excluded from the program. This consistency determination has
been prepared for that portion of the work which lies outside of the
reservation boundary.
Work''outside the reservation=boundary will consist of connecting to the
Brunswick County Water System. Brunswick County operates an existing 24-
inch water main near the entrance to MOTSU at the intersection of N.C
Highway 87 and N.C. Highway 133. A 12-inch water main will be provided
along the MOTSU entrance road connecting the existing 24-inch County main to
the existing MOTSU system (see exhibit a of the attached Concept Design).
Approximately 7,400 linear feet of 12-inch water main will be required and
valves and hydrants will be installed at intervals no greater than 1,000
feet.
A. Areas of Environmental Concern (AEC's): The work will not involve any
work within the AEC's; therefore no impact to AEC's as a result of the
project will occur.
The work will not violate water and air quality standards. The project
does not involve placement of material in waters or wetlands of the United
States.
An archeological/historical reconnaissance of the area between the
reservation boundary and N.C. Highway 133 will be performed prior to
performing the work. This area lies within the N.C. Department of
Transportation Right-of-Way and has probably been disturbed by construction
of the entrance road.
B. Land Use Plan: The work is located entirely within Brunswick County,
North Carolina. In accordance with the Brunswick County Land Use Plan
(1987), the access road leading to N.C. Highway 133 is designated as
"undeveloped." The Land Classification Map classifies the access road as
"transitional industrial." MOTSU and the access road are classified as a
"man-made hazard area." No impacts to the designation of the project area
cited in the Brunswick County Land Use Plan will occur.
C. State Guidelines:
1. For AEC's: See paragraph A.
2. For Land Use Plan: See paragraph B.
3. General Policy (15 NCAC 7M): Not applicable.
D. Other State Policies: Review of the State policies found in Chapter 3
of the Coastal Management Program document indicates that the proposed work
is in accordance with policies on water supplies and waste disposal, Federal
consistency and national interest.
E. Conclusion: The proposed work is consistent with the Coastal Management
Program of the State of North Carolina.
1 Attachment / .Q
Concept Design U Michael S. Featherston
Colonel, U.S. Army
Commanding
DATE:
2
CONCEPT REPORT
WATER SYSTEM UPGRADE
MILITARY OCEAN TERMINAL
SUNNY POINT, NORTH CAROLINA
prepared for
l
U. S. ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
MAY 1.989
WM. F. FREEMAN ASSOCIATES
Architects-Engineers-Planning-Surveyors
7823 National Service Road
Greensboro, N.C. 27409
I. INTRODUCTION
Wm. F. Freeman Associates has been contracted by the Wilmington District,
U. S. Army Corps of Engineers, to provide Architectural/ Engineering Services
for the design of Water System Upgrade at Military Ocean Terminal, Sunny
Point, N. C. (MOTSU).
Prior to contracting for design services, the Wilmington District prepared
a report entitled "Evaluation of Potable Water System", dated September 1988.
This report provided an evaluation and recommendations for improvements to the
water system including the supply, treatment, pumping, storage, distribution
and all associated structures and appurtenances. In the report, four
alternative recommendations along with preliminary cost estimates were
developed. The alternatives are briefly described as follows:
Alternative No. 1: Rehabilitate the existing system
Alternative No. 2: Connect.to-the Brunswick. Water System and
rehabilitate BPS2 for fire protection
Alternative No. 3: Connect to the Brunswick water system and
rehabilitate BPS2 using wells #2 and #3
as water source
Alternative No. 4: Rehabilitate the existing system and
connect to the Brunswick system as back-up
The user (MOTSU) has chosen to proceed with the design using Alternate No.
3. The recommendations in Alternative No. 3 include:
.Connect to the existing Brunswick County water distribution system
.Abandon well numbers 1, 4 and 5;
.Rehabilitate Well Numbers 2 and 3 as follows:
Abandon chlorination system
-Replace well pump, motor and controls
Replace engine generator and fuel system at well house number 2
and replace with new fully automatic system
Paint interiors, add lighting and remove asbestos materials
-Replace water meters with new propeller meters
.Abandon tray aerators and replace with greensand filters
.Rehabilitate 500,000 gallon reservoir at Booster Pump Station 2
.Replace reservoir controls
-1-
.Abandon Booster Pump Station 1 and reservoir
.Rehabilitate BPS2 as follows:
-Replace fire pump engines with diesel generator
-Relocate fire pump motor from BPS1 to BPS2
-Rehabilitate fire pump motors
-Replace fire pump controls with new fully automatic
-Add space for manganese greensand filters
-Add filter disposal system;
-Replace gages
-Replace relief valves
-Paint interior and remove asbestos materials
-Repair leaking pipe sleeve from reservoir
-Add pressure relief valve to hydropneumatic tank
-Make required piping and valving changes for water supply
to reservoir
-Add chlorination system
In addition, the report contains recommendations which were common to
all alternatives. These recommendations included;
.Rehabilitate the remaining fire pumps and motors to current
standards
.Loop the remaining three wharves potable water systems and upgrade
to fire protection capacity.
.Loop 10" water main from classification yard to well house No. 4
for system dependability and for increased water quality and
capacity
.Replace galvanized steel service lines and add meters
.Relocate fire hydrants within locked fence areas
.Install new 1411,gate valve at BP32
.Parallel water mains identified as undersized with additional
mains and cross connect
.Place utility warning signs at all locations where waterlines
pass under roads carrying explosives
The recommendations, which ones will be incorporated into the design,
and how. they will be incorporated into the design, are discussed in greater
detail below.
A second report was prepared by the U.S. Army Environmental Hygiene
Agency, (EHA) dated 2 June, 1987, which addressed the potable water quality of
the wells and reservoirs utilized at MOTSU, and assessed the distribution
system and alternative water sources. This report included an analysis of the
-2-
water quality and provided some good recommendations concerning maintenance,
inspection and testing requirements which need to be addressed by the Corps of
Engineers and MOTSU personnel. In addition, the EHA report made
recommendations concerning, regulatory re.qui-rements and--engineering
considerations, some of which were incorporated into the Wilmington District
report. Both reports are to be utilized as guidance for establishing the
scope of work for the design phase.
-3-
II. CONNECTION TO BRUNSWICK COUNTY WATER SYSTEM
Brunswick County operates an existing 24 inch water main near the entrance
to MOTSU at the intersection of Highway 87 and Highway 133. A 12 inch water
main will be provided along the MOTSU entrance road connecting the existing 24
inch County main to the existing MOTSU system (See Exhibit A). The scope of
work associated with this connection would include the following:
1. Provide a 24" x 12" tapping sleeve and valve. The tap can be made
by the Contractor.
2. Bore and jack approximately 50 linear feet of 24 inch steel
encasement pipe under Highway 133
3. Provide approximately 7,400 linear feet of 12 inch water main
4. Provide a master meter/backflow preventer vault within the Highway
133 right of way. Per Brunswick County, the meter must be a 6 inch
Kent combination meter (or equal) and the backflow preventer can be
- - a double check valve assembly. All of the -items"assddiatedwith
the vault must be provided under the construction contract.
5. Provide valves and hydrants at intervals no greater than 1,000 feet
6. Provide a connection to the existing MOTSU water distribution
system
-4-
III. UPGRADE/ REHABILITATION OF EXISTING WATER SYSTEM
The scope of work for the upgrade and rehabilitation will include the
following;
1. Abandon and leave in place well numbers 1, 4 and 5. The work
will include sealing off the wells and disconnecting the
electrical services.
2. Rehabilitate Well Number 2
a) Abandon chlorination system. Disconnect from water
distribution system and remove chlorine gas cylinders.
b) Remove existing well pump, motor and motor controls.
c) Provide new well pump, motor and motor controls.
d) Remove existing generator set and fuel supply system.
e) Provide new diesel generator set with automatic transfer
switch.
f) Remove asbestos materials, The government will perform
asbestos investigation and provide A/E with data on asbestos
containing materials.
- g) Paint interior of building.
h) Provide new interior fluorescent lighting fixtures and
associated wiring and switching.
i) Remove existing water meter and provide new propeller meter.
3. Rehabilitate Well Number 3
a) Abandon chlorination system. Disconnect from water
distribution system, remove chlorine gas cylinders.
b) Remove existing well pump, motor and motor controls.
c) Provide new well pump, motor and motor controls.
d) Remove asbestos materials. The Government will perform the
asbestos investigation and provide A/E with data on asbestos
containing materials.
e) Paint interior of building.
-5-
f) Provide new interior fluorescent lighting fixtures and
associated wiring and switching.
4. Abandon BPS1 and Reservoir
The demolition of these items may be included as an optional bid
item. The Wilmington District needs to provide A/E with further
guidance on abandoning versus demolition of these facilities.
5. Rehabilitate Reservoir at BPS2
a) Remove existing coke tray aerators
b) Repair cracks in structure
c) Repair or replace leaking pipe sleeve connecting reservoir
to pump station.
d) Remove existing and provide new float control system to
control well numbers 2 and 3.
6. -Rehabilitate -BPS2
a) Provide new filtration system. See the paragraph IV. (4)
entitled "Filtration System" for further discussion.
b) Construct addition to building to house new filters.
c) Provide treatment system for filter backwash wastewater. A
subsurface system including flow equalization, septic tank
and-=d tainf,eldlis..the:prefer.red system.
d) Provide new chlorination system. A Chlorine gas system will
be designed since the operating personnel are familiar with
using a gas system.
e) Remove , existing and provide new pressure gages and relief
valves in the pump station. In addition, provide a pressure
relief valve on the hydropneumatic tank.
f) Remove asbestos materials. The Government will perform the
asbestos investigation and provide A/E with data on asbestos
containing materials.
g) Paint the interior of the pump station.
h) Remove two existing engines from fire pumps. Relocate 75
H.P. motor from BPS'1.
i) Remove existing switching system and provide new automatic
transfer switch.
-6-
j) Provide new diesel generator set.
k) Revise piping and valving as necessary from Well Number- 2
- and 3 to reservoir.
1) Provide new 114 inch-isolation valve between pump station and
distribution system.
7. Replace water service lines in Administration Area.
a) Provide new plastic service lines from water main to
existing point of connection immediately outside building.
b) Provide meter setting, meter, and meter box on each service
line.
8. Relocate fire hydrants which are not readily accessible to the
Fire Department. This involves hydrants located within locked
fence areas or behind buildings.
9. Provide water mains which parallel and connect to existing lines
to improve flow capabilities. See Exhibits B and C.
10. Provide warning signs at all locations where waterlines cross
under a roadway- utilized by vehicles carrying explosives.
Phasing of the work is an important consideration. The facility must
have water service at all times-during construction. Therefore, the design
will set forth phasing requirements which will have to be followed during
construction. The connection to the Brunswick County water system would have
to be installed, tested, approved and put into operation prior to upgrading
the existing supply system. .
-7-
IV. DESIGN CRITERIA
The following design criteria will be utilized during the design;
1. Water mains: Ductile iron with cement mortar lining and push-on
joints.
2. Service lines: Polybutylene or polyethylene with copper and/or
brass fittings.
3. Valves and fittings: Iron body with bronze/ stainless steel
components.
4. Filtration system: Greensand (potassium permanganate) filters have
been called for in the two previously mentioned reports. This type
of a system will remove iron. and manganese from the water.
However, the iron and manganese levels in well numbers 2 and 3 are
..below,--the _.existing -.allowable -limits of 0:30 mg/1 and 0.05 mg/l
respectively. It is anticipated that the State will be reducing
the allowable limits on iron, possibly as low as 0.05 mg/1.
Therefore, it is desirable to have a treatment system installed and
ready to go when the allowable limits are lowered. The A/E is
investigating other treatment options, in particular pressure
aeration followed by dual media (anthracite and sand) filtration.
This „type.,of system may be more economical initially as well as
long term, than a greensand system. Information on-sev&r-a`1
different treatment systems is included in the Appendix.
5. Electrical: In accordance with National Electrical Code,
applicable Army Regulations and local codes.
6. Fire pumps: Upgrade of the fire pumps at BPS2 will be in
accordance with the National Fire Protection Association.
7. Design of water system upgrade will conform to the following:
a) N. C. Department of Human Resources, Rules Governing Public
Water Supplies.
b) N. C. Department of Human Resources, Rules for Ground
Absorption Sewage Treatment and Disposal Systems.
c) N. C. Division of Environmental Management, Waste Not
Discharged to Surface Waters.
d) The Department of Transportation, Policies and Procedures
for Accommodating Utilities on Highway Rights of Way.
-8-
V. PERMITS
The following permits will be required for the project:
1. Well approvals. The wells will have to be permitted the same as
new construction. The process of approval will include;
a) The Greenville Office of the N. C. Division of Health Services
(DHS), Water Quality Section, will visit the well sites to
determine if the sites meet DHS requirements. A letter of site
approval is issued by the local DHS office. No Fees.
Contact: Mr. Mike Bell, 919/733-4283
b) An Application for Permit to Construct a Well is submitted for
each well to the local office of the N. C. Division of
Environmental Management (D.E.M.) Records of construction
aquifer data and the site approval must be provided along with
the permit application. No Fees.
Contact: Mr. Rick Shriver, 919/256-4161
e) Water analysis data, well drawdown data, plans and
specifications on the well system must be submitted to the
Raleigh Office, DHS, along with a signed Application for
Approval of Plans and Specifications for Water Supply Systems.
No Fees.
Contact: Mr. Wally Venrick, 919/733-2460
2. Water distribution system approvals:
a) The existing water distribution is not permitted as required by
the State. Therefore, plans and specifications on the existing
system myst be submitted to the Raleigh Office of DHS along
with a signed application form for review and approval. No
Fees.
Contact: Mr. J. C. Lin, 919/733-2460
b) Plans and Specifications for the new water lines being
installed to upgrade the system must also be submitted to the
Raleigh Office DHS along with a signed application for for
review and approval. The applications and approvals for both
the existing system and new construction can be combined as a
single submittal. No Fees.
3. Subsurface treatment system. This system will be permitted by the
local office of D.E.M. A site inspection will be made by D.E.M.
-10-
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