WQ0018708_Technical Specifications_20000522

CONTRACT DOCUMENTS
AND �
TECHNICAL SPECIFICATIONS
FOR
II
WASTEWATER TREATMENT FACILITY EXPANSION
BAY TREE LAKES
BLADEN COUNTY, NORTH CAROLiNA
III
MAY 22, 2000
T. ROBERT LYONS & ASSOC
CONSULTING ENGINEER
CHARLOTTE, NORTH CAROL
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TECHNICAL SPECIFICATIONS
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Division
Section
Pales
1 1..
SPECIAL CONDITIONS
5
2.
SITEWORK i
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02100 SITE PREPARATION
021.30 DEMOLITION
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02190 SOIL EROSION AND i
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SEDIMENTATION CONTROL i
02200 EARTHWORK J
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02730 SANITARY SEWER
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02732 FORCE MAINS i
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02930 SEEDING AND MULCHING
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13.
SPECIAL CONSTRUCTION
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13A. PERMANENT OBSERVATION
1.
WELLS
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13B. WASTEWATER TREATMENT f �,
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FACILITY .
13C. SPRINKLER SYSTEM & CONTROL VALVES
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13D. AERATION EQUIPMENT
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13E. BLOWER CONTROL PANEL
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13F. VERTICAL TURBINE PUMPS'
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& PUMPING STATION ;
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DIVISION 1 - SPECIAL CONDITIONS
1.1 PROJECT DESCRIPTION: The project consists of the constr, uction of a Wastewater
treatment facility ekpansion,.Bay Tree Lake, Bladen County, N.C. as (detailed on the plans and
stated in the Technical Specifications.
1.2 . PROJECT FINANCING: Contractors are notified that the project is being financed
entirely by The Lake Creek Corporation.
1.3 CONSTRUCTION STAKE OUT:
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A: 'Alignment and Control: The Owner's surveyor has,�provided a base-line'for
construction alignment and a bench mark for elevation datum.
B: Stake Out: The Contractor shall furnish and perform all construction stake out
from the Surveyor's control points, and shall be totally responsible to construct the
work in accordance with the plans and specifications.
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1.4 SUPERINTENDENCE BY CONTRACTOR: The Contractor; shall .provide a
superintendent at the job site acceptable to the Engineer who shall have full authority to
act for the, contractor. He shall be'fully responsible to maintain the activities of any and
all subcontractors on the job and to respond to job instructions from the Engineer and
Owner..
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1.5 WORK SCHEDULE: The Contractor shall commence work under this contract within
ten { 10) calendar days after the date of NOTICE TO PROCEED. and shall complete the
work ready for use within the time set out in the proposal. The time stated for
completion shall include final cleanup of the, premises. The Contractor shall upon Notice
of Award or as otherwise requested furnish the Engineer a job'schedule in three (3)
copies showing the various components of the work and the anticipated beginning and
completion dates of each work item to the end of the contract time.
1.6 BARRICADES AND LIGHTING: The Contractor and all subcontractors will provide
adequate barricades to properly protect the work and to warn all pedestrians and drivers
as to areas of construction. From sun -up to sun -down, adequate lighting will be provided
to mark all construction and hazards at night. The Engineer or' his; construction inspector
shall have the right to require such barricades and lighting as deemed necessary, if the
Contractor fails to provide same.
1.7 TRAFFIC CONTROL STREETS AND HIGHWAYS
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The Contractor will provide
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adequate warning signs, and where necessary flagmen to control traffic flows and movement at
construction locations. Traffic will,be maintained at all locations and no roads'or streets will be
completely blocked at anytime. The paved areas of all roads and streets will be sufficiently
cleared each night to assure safe two way traffic after work hours. Sufficient lights and after
hours supervision will be maintained to assure publicsafety, and excavations in pavements shall
be properly filled and surfaces smooth. Construction equipment such as;excavation machines,
loaders, tractors, trucks; pumps, etc., shall be removed from traffic lanes and paved areas -as to
provide a safe and, usable area for two way traffic. On all State highways, the Sign Flagman ,
1 Standard Signaling System currently in use by the DOT will be used by the Contractor. Liaison
will be. established with Local Highway Officials to assure conformity with their requirementand
requests.
-. 1.8 BUILDER'S RISK INSURANCE: Not required. ,
1.9 OTHER UTILITIES: Telephone lines, power lines and cables maybe encountered and
should be anticipated. The Engineer has made every attempt to identify all existing
utilities and obstructions on the proposed plans. The utility representative and telephone
numbers are listed on the plans. The Contractor shall contact representatives of all
utilities to determine the exact locations of all existing facilities and underground utilities
t,) and shall make every effort to avoid damage to such. Exploratory hand excavation prior
to machine excavation will be expected to avoid damage to existing facilities. .
l) 1.10 STATE HIGHWAY ENCROACHMENTS:, The Owner will obtain encroachment
agreements for all work located in the N.C. Department of Transportation rights -of -way.
The Contractor, will be required to post a performance and indemnity bond as required by
the. DOT. This bond may be a blanket bond on file with the DOT!or it may be a bond for
this specific project, subject to_approval of the DOT. All operations, trenching,
pavement cutting and repair will be coordinated with the Distract Engineer of the DOT.
1.11 EXISTING CONDITIONS: The Contractor, in submitting a proposal and -in signing this
ricontract, acknowledges that he has thoroughly investigated the existing -facilities, and has
examined the plans and specifications; understanding clearly their requirements and the
requirements necessary to construct all to completion and unprovements contracted for;
` that he is fully prepared to sustain all losses and damages incurred by the actions or
elements; is prepared to provide all necessary tools, appliances, machinery, skilled and
�+ unskilled workmen, and all necessary materials to successfully complete the work.
1.12 RECORD PLANS: The Contractor shall keep a complete record 'of variation between
contract plans and specifications requirements and the actual project installation. One
set of plans. shall be marked in red by the Contractor showing such variations and
delivered to the Engineer upon completion of the project.
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1.13 LIST OF PLANS: The following plans are included as part of these contract documents:
See Schedule of Plan Sheets 1 to 8 on Cover Sheet, Project Plans:
1.14 UNIT PRICES: Unit prices in the bid proposal are to be used in paying for unit price
1 work items by the unit installed, constructed, and completed under authority of the
' Contract Documents and will also be used in determining the change in contract price
when an increase or decrease in quantities is directed.
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1.15 REQUIRED RECORDS ON SALES AND USE TAX: In order that the Owner may
substantiate a refund claim for sales and use taxes, the Contractors shall furnish certified
statements in triplicate, setting forth the cost of building materials, supplies and fixtures,
and equipment which become a part of, or are annexed to any building or structure being
- erected, altered, or repaired under contract, with the Owner and the amount of sales
and/or use taxes paid thereon.
This certified statement must be submitted to the Owner monthly, and all certified
statements shall be submitted before final payment is made for work performed under
this contract.
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1.16 SAFETY AND HEALTH REGULATIONS: The Contractor shall comply with the
Department of Labor Safety and Health Regulations for construction promulgated under
the Occupational Safety and Health Act of 1970. (PL 91-596) and under Section 107 of
-` the Contract Work Hours and Safety Standards Act (PL 91-54).
1.17 MAINTENANCE AND TRAFFIC: Traffic is to be maintained on all roads and streets
�- and one (1) lane must be open to traffic at all times.
s 1.18 SUBCONTRACTORS: In the interest of assuring the most expeditious and properly
controlled project, unless specifically approved in writing, it is a condition of this
contract that the Prime Bidder must accomplish not less than 80 percent of the work
Sdirectly under the Prime Contractor's superintendent. This shall in no way prohibit the
use of Rental Equipment by the Prime Contractor's forces. All equipment and personnel
-- shall be subject to approval of the Engineer. In determining the value of subcontractors,
the value of materials and equipment installed by the subcontractor shall be included.
-; 1.19 LIQUIDATED DAMAGES: The BIDDER agrees to pay as liquidated damages, for each
ti consecutive calendar day thereafter stated in the proposal.
END OF SECTION
SP-3

SECTION 02100
SITE PREPARATION
1 PART 1 - GENERAL .
1.1 SUMMARY !
A. " Section Includes:
1. Protection of existing items indicated or required to remain.
;�- 2. Clearing and grubbing.
3. Removing above and below grade improvements that interfere with new. construction.
4. Removal and disposal of all debris occurring as a result of work of this Section.
B. Related Sections: i
1. Earthwork: Section 02200
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- 1.2 JOB CONDITIONS
J A. Traffic: j
Conduct "operations to ensure minimum interference with adjacent roads; streets, or
walks, and other adjacent occupied or used areas. Do not close or obstruct streets, walks or
other occupied or used facilities without permission from authorities having jurisdiction.
B. Protection of Existing Items:
1 1. Provide barricades, coverings, -or other types of protection necessary to prevent.
T damage to existing improvements to remain in place.
2. Restore all improvements damaged -by this work t.o their original condition, as
1. acceptable to the Owner or other parties or authorities having jurisdiction.
C. Protection of Existing Vegetation:
Protect existing vegetation indicated to remain in place, against unnecessary cutting,
1 breaking, or skinning of roots, skinning and bruising of bark, smothering by stockpiling
construction materials or excavated materials within drip line; excessive foot or vehicular
traffic, or parking of vehicles within drip line. Provide temporary guards to protect
vegetation to be left standing.
D. Use of Explosives: '
Do not use explosives or bring explosives -onto the site.
_ 02100 - 1

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E. Dust Control:
Use all means'necessary to prevent spread of dust during performance of the work in
this Section. thoroughly moisten all surfaces as required to prevent dust from being a
nuisance to the public, neighbors and concurrent performance of other work on the
site.
F. Coordination:
1. Confine the work of this Section to area indicated i'on the Drawings.
2. Coordinate work of this Section to avoid disruption of use of all adjacent facilities:'
2 PART 2 - PRODUCTS
NOT USED
3 PART 3 - EXECUTION
3.1 PREPARATION'
A. Notification:
Notify Engineer at least 2 working days before beginning work of this Section
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B: Site Utilities: '
1. Prior,to all work of this Section, carefully inspectithe1 entire site and all objects
-designated to be removed and to be preserved.
2. Locate all existing utility lines and determine requirements for disconnecting, capping
or protecting.
3. Protection of the utilities: Preserve in operating condition all active utilities traversing
the site and designated to remain. '
3.2 SITE CLEARING '
A. General:.
Remove vegetation, improvements, or obstructions that interfere with. installation of new
construction. Remove. such items and dispose of as indicated.
B. Topsoil Removal:
1. Topsoil is defined as friable clay loam surface soil found in depth of not less than 4
inches. Satisfactory topsoil is reasonably clear. of subsoil, clay lumps, stones, and .
other•objects over 2 inches in diameter, and without`, weeds, roots, and other.
objectionable material.
02100 - 2

2 Strip .topsoil to whatever depths encountered, and in such a manner as'to prevent
intermingling with -the underlying subsoil or other objectionable material.
from before 'stripping.
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31, Remove heavy growths of grass areas
41 Stockpile topsoil in storage pile in areas shown, or where directed.', Construct storage
! piles to freely drain surface water. Cover storage piles If required to, prevent
wind-blown dust.
51 Dispose of excess topsoil as waste material as herein specified.
C'. Clearing'and Grubbing:
1 Clear site of trees, shrubs and other vegetation, except for those indicated to be left
standing.
21.' Removal: Remove all trees and tree stumps, shrubs, grass, and other vegetation, and
improvements or obstructions, unless designated to remain, together with the bulk of
the roots, to a minimum depth of three feet below the existing grade or finish grade,
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which ever is lower, within a radius of eight feet beyond perimeter of trunk at ground
line. .
31. Completely remove stumps, roots, and other debris protruding through ground surface.
4. Remove all surface rocks and all stumps, roots and other vegetation and all debris
within the limits of construction.
5. Use only hand methods for grubbing inside drip line of trees indicated to be left
standing.
6. Fill in'depressions caused by clearing and grubbing operations with satisfactory soil
- material, unless fiuther excavation or earthwork is; indicated.
D: Removal of Improvements:
Remove existing above -grade and below -grade improvements necessary to permit
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construction and other work as indicated. ;
3.3 DISPOSAL OF WASTE -MATERIALS I
Burning: :.
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Burning of debris on the site is not permitted.
R. ,Removal from Site:
Remove all waste materials from the site and dispose of these.materials' legally. Leave. the
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site in a neat and orderly condition to the approval of the Engineer.
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END. OF SECTION '
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02100 - 3'..
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SECTION 02130
DEMOLITION '
1 PART 1 - GENERAL
1.1 SUMMARY i
A. Section Includes:
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1, Destruction and removal of all building and driveways and
~any other existing structures as directed by the Owner.
B. Related Sections:
1... Site Preparation: Section 02100.1 ;
2. Earthwork: Section 02200.
1.2 JOB CONDITIONS I
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A. Refer to 1.2 Job Conditions under Section 02100, Site Preparation.
2 PART 2 - PRODUCTS
2.1 Not Used'.
3 PART-3 = EXECUTION
A. Meet with the Engineer and the Owner to determine the specific
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structures to be demolished.
B. Refer to'paragraph 3.1 Preparation under Section 02100, Site
Preparation:
C. Remove all structures including the. foundation, unless otherwise
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directed by the Engineer.
D. Compact the excavation with suitable soils in accordance. with'
Section 02200, Earthwork.
END OF SECTION
.02130 - 1

SECTION 02190
SOIL SEDIMENTATION AND EROSION CONTROL
L ' PART 1- GENERAL
1.1 SUMMARY
A. General Responsibility:
The Contractor shall take whatever measures necessary;to minimize soil erosion,
siltation, water pollution, and air pollution caused by any phase of his operations.
The Contractor shall also comply with .the applicable regulations of all legally
constituted authorities relating to ,pollution prevention and control. The Contractor
shall keep himself fully informed of all such regulations which in any way affect the
conduct of the work, and shall at all times observe and comply with all such
regulations. In the event of conflict between such regulations and the requirements
of these Specifications, the more restrictive shall apply.
B.. Water and Air Pollution:
The Contractor shall exercise every reasonable precaution throughout the life of the
project to prevent pollution of streams and water impoundments. Pollutants such as
chemicals, fuels, lubricants, bitumens, concretes, grouts, raw sewage, and other
harmful waste shall not be discharged into or alongside of streams, impoundments,
or into any natural or man-made channels leading thereto.
1. The Contractor shall comply with all Federal, State, and local air pollution
regulations throughout the life of the project.
!_) C. Dust Control:
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The Contractorshall control dust throughout the life of the project within the -
project area and at all other areas affected by the construction, including, but not
specifically limited to paved and.unpaved roads, haul roads, access roads, disposal
sites, borrow pits, and material and equipment storage sites. Dust control shall not
be considered effective where the amount of dust creates 'a potential or actual unsafe.
condition, public nuisance, or condition endangering the value, utility, or esthetics of. any property.
1. Use all,means necessary to prevent spread of dust during performance of the
work in this Section. Thoroughly moisten all surfaces as required to prevent.
dust being a nuisance to the public, neighbors, and concurrent performance of
other work on the site.
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'2. Should the Contractor be required to flush or wash large amounts of dust or .
mud 'from the streets; he shallalso be required to provide adequate silt check
barriers between his flushing activity and the nearest natural or man-made
discharge point emptying into 'or leading to natural;waiercourse.
: D. Erosion and Siltation Control:
_ The Contractor shall control soil erosion and sedimentation for all areas of the site.
' that are graded or disturbed. Control measures such as modifying the natural buffer
zone, erection of silt fences and barriers, dams or other,structures shall begin prior
_ to any land disturbing activity.. Additional measures shall be constructed as required
during the construction. All facilities installed shall be continuously maintained
during construction until the disturbed areas are stabilized.;
1. The contractor shall exercise every reasonable precaution, throughout the life of
-' the project, to prevent the eroding of soil and the silting of *streams, reservoirs,
other water impoundments, ground surfaces, or other'property.
2. The Contractor may be limited to the amount of right -of --way he can clear in
advance of his construction. This is largely dependent;'upon site conditions and
total amount of surface vegetation (capable of retarding runoff) which will be
left undisturbed, after initial clearing..
3. Once construction begins, the Contractor will be required to keep his site
r restoration, fertilizing, seeding, and -mulching up with ;the land disturbing
activity as closely -as practical.
4. The Contractor shall provide permanent or temporary ground cover within 30
working days after completion of the construction' phase of any specific area.
' Contractor shall have full responsibility for construction; maintenance and
compliance of all control facilities in accordance with,state and local soil
(� erosion and sedimentation control laws.
5. During construction, the Contractor shall make every; effort to pile his
excavated material on the side of his ditch line furthest from the natural
r watercourse. Minimum width of a buffer zone shall be 33% of the width of the
area, disturbed and shall contain sufficient, vegetative cover to be adjudged
capable of retarding and confining, visible siltation. Should the proximity of
construction not allow an adequate natural buffer 1zohe, the Contractor shall
erect temporary silt check fences of chicken wire ,and, either straw, burlap of,
Mirafi 140 fabric as manufactured by Celanese Fibers Marketing Company, or
an approved equal. Silt check fences shall be maintained by the Contractor until
the ground cover has established itself and is adjudged capable of retarding
F-1 erosion.
6. Temporary erosion control measures shall include but not be limited to the use
of temporary silt check -fences, temporary diversion ditches,- silt check netting,
— gravel or any other methods or devices that are necessary. Temporary erosion
control measures shall be maintained in good order, throughout the project until
such'time as their removal is..directed by the Engineer. If so directed by the
02190-2

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Engineer, the Contractor, upon completion ofthe project, will leave intact those
temporary erosion control devices deemed necessary for future protection.
7. Permanent erosion control measures shall include b'ut not be limited to
fertilizing, seeding and•mulching;.'and plain rock rip -rap. The measures shall be
required as directed by the Engineer. i
8. Failure of the Contractor to comply with any of the preceding requirements
will result in the Contractor receiving formal notification to initiate such
measures. If compliance is not forthcoming, within,; 48 hours of receipt of same,
the Owner will suspend all work and pursuant to the North Carolina
Sedimentation Pollution Control, Act of 1973 (G.Si 11;3A-54), report said
compliance violation to the North Carolina Sedimentation Control Commission
for legal disposition.
2. PART 2 - PRODUCTS'
2.1 MATERIALS
A. Temporary Silt Fence:.
1.
2.
3.
Posts: Either wood or steel posts may be used. Wood posts shall be minimum.
of 6 feet long, minimum 4" diameter pine or 2" diameter oak, and straight
enough to provide a fence without noticeable.misalip'ment. Steel posts shall be
1.33 pound per linear foot, 5 feet long, ,1 %1' wide., and have projections for
fastening the wire to the fence. J
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Woven Wire Fence: Wire fence fabric shall be at least 32".high, and shall have "
at least 6 horizontal wires. Vertical wires shall be ,spaced 6 inches apart. Top
and bottom wires shall be at least 10 gage. Other 'wires shall be at least 14
gage.
Filter Fabrics: Provide burlap or synthetic fabric subject to prior review and
approval by the Engineer:
a. Burlap:'
Burlap shall weigh at least 6.7 ounces pei square yard, and shall have a .
minimum width of 36". Burlap may be used only on silt check fences
that will be in place for less than 30 days;'.
b. Synthetic Fabric:
The filter fabric shall be composed of strong rot -proof synthetic fibers
formed into a fabric of either,the woven or non -woven type. Either
type of fabric shall be free of any treatment or coating which might
significantly alter its physical properties after installation. The fabric
shall contain stabilizers or inhibitors to make the filaments resistant to
deterioration resulting from exposure toheat or sunlight. The fabric.
shall be a pervious sheet of synthetic fibers oriented into a stable
network so that the fibers retain their relative position with respect to
each other. The edges of the fabric shall;befinished to prevent the
02190-3

outeryarn from pulling away from the fabric. The fabric shall be free of
defects or flaws which significantly affect its physical and/or filtering
properties. The fabric shall have a minimum width of 36". Sheets of
fabric may be sewn or bonded together. No deviation from any
physical requirements will be permitted due to the presence of the
seam.
c. The fabric shall meet the physical requirements as outlined in the
North Carolina Department of Transportation (NCDOT) Standard
Specifications for Roads and Structures, Article 956-2. Provide Mirifi
140 or equivalent meeting these requirements.
4. Wire Staples:
Wire staples shall be a no. 9 staple and shall be at least V/z" long.
B. Silt Check Dam:
1. Materials shall consist of earth berms, woven wire, rip -rap and washed
stone per Section 02270, and any other materials necessary to construct an
effective silt check dam. All materials shall have been approved by the
Engineer. Materials may be obtained from clearing operations along the
project, or shall be furnished by the Contractor.
2. Materials for rock silt check dams shall be either Class A or B erosion
control stone.
3. PART 3 - EXECUTION
i 1 3.1 INSTALLATION
A. Temporary Silt Fence:
1. The Contractor shall install temporary silt fence as shown on the drawings. The
silt fence shall be constructed at the locations shown on the drawings and at
other locations as directed by the Engineer.
2. Class B. synthetic filter may be used without the woven wire fence fabric
backing, subject to the following conditions:
a. Post spacing is reduced to maximum of 6'
b. The proposed fabric has been approved by the Engineer as being suitable
for use without the woven wire fence fabric backing.
- c. Fence posts shall be inclined toward the runoff source at an angle of not
more than 20 degrees from vertical.
3. Posts shall installed so that no more than 3' of the post shall protrude above the
ground. Filter fabric shall be attached to the wire fence fabric by wire or other
acceptable means. The filter fabric shall be installed in such a manner that a
minimum overlap of 18" is provided at all splice joints.
02190-4

4. At the time of installation, the fabric will be rejected if;it has defects, rips, holes,
flaws, deterioration, or damage incurred during manufacture; transportation, or
storage.
5. Maintenance and removal: The Contractor shall maintain the silt fence until the
�? project is accepted or until the fence is removed, and shall remove and dispose
of.the silt accumulations at the silt fence. Filter fabric shall, be removed and
replaced whenever it has deteriorated to such an extent that it reduces the
I effectiveness of the silt fence.
6. Silt fence shall remain in place unless Owner directs that it be removed. Silt
fence which has been removed will remain the property of the Contractor and
may be used at other locations provided it is in a condition acceptable to the
Owner. Upon removal of the silt fence, the Contractor shall dress the area to
give a pleasing appearance, and shall seed and mulch the area.
-- B. Silt Check Dam:
The quantity of silt check dams to be, constructed will be affected by the actual
conditions which occur during the construction of the 'project. The quantity of silt
check dams may be increased, decreased, -or eliminated entirely at the -direction of
the Engineer. Such variations in quantity will not be considered as alterations in the
details of construction or a change in the character of the work.
1. Construction:
The Contractor shall construct silt check dams as shown on the drawings. The
} silt check dams shall be constructed at such time as directed by the Engineer.
, 2. • Maintenance and Removal:
The Contractor shall maintain the silt check dams; and shall remove' and dispose
of silt accumulations at the check dams when needed;
{. _( 3. Unless otherwise directed by the Engineer, silt check;dams shall be removed as
the project nears completion. At -the actual time of removal, the Contractor shall
j dress the area to give a pleasing appearance, and shall seed and mulch the area.
END OF SECTION t

SECTION 02200
EARTHWORK
1 PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Excavating for below grade construction, foundations and -paving.
2. Filling, backfilling and compaction to attain indicated ;subgrades and grades.
3. Rough and finish grading of the Site.
4. Preparation of subbase for pavements.
B. Related Sections:
1. Site Preparation: Section 02100.
2. Concrete Curbs, Walks and Paving: Section 02510.
3. Asphalt Paving: Section 02505.
4. Storm Sewer System: Section 02700.
1.2 QUALITY ASSURANCE
A. Survey Work:
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1. Engage a. qualified surveyor or instrument operator, acceptable to the Engineer, to perform all
surveys, layouts, and measurements.
2. The surveyor or operator shall record and maintain all 'information pertinent for the layout and
cooperate with other testing and inspection personnel'to Provide data for required reports.
B. Testing of Materials and Installed Work: Materials and installed work may require testing and retesting,
as directed by the Engineer, at any time during the progress of the Work. Allow free access to material
stockpiles and facilities at all times. Tests, not specifically indicated to be done at the Owner's expense
including the retesting of rejected materials and installed work,; shall be done at the Contractor's.
expense.
C. Codes and Standards: Perform excavation work in compliance with applicable requirements of governing
authorities having jurisdiction.
1. Provisions of North Carolina Sedimentation Pollution'Control Act as currently amended apply
to this work.
1.3 JOB CONDITIONS
A. Site Information:
1. Data on indicated subsurface conditions are not intended as representations or warranties of
accuracy or continuity between soil bearings. It is expressly understood that Owner will. not
be responsible for interpretations or conclusions drawn therefrom by Contractor. Data are made
available only for convenience of Contractor.
02200-1

2.
Additional test borings and other exploratory operations !may be made by Contractor at no cost
to Owner.
i B. Earthwork:
1.
Contractor is responsible for the control of dust, erosion and sedimentation.
2.
Contractor is to furnish any necessary fill material required,, and dispose off -site any excess or
unsuitable material. i
3.
All fill material shall be approved by the Engineer prior to its use.
C. Existing Utilities:
1.
Locate existing underground utilities in the areas of work by hand excavation. If utilities are
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to remain in place, provide adequate means of protection during earthwork operations.
2.
Should uncharted or incorrectly charted piping or other utilities be encountered during
excavation, consult the Engineer immediately for directions as to procedure. Cooperate with
Owner and utility companies in keeping respective services and facilities in operation. Repair
damaged utilities to satisfaction of utility owner.
3.
Do not interrupt existing utilities serving facilities occupied and used by Owner or others,.
except when permitted in writing by Engineer and then only after acceptable temporary utility
services have been provided.
4.
Provide minimum of 48-hour notice to Engineer, and receive written notice to proceed before
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interrupting any utility.
5.
Demolish and completely remove from site existing 'underground utilities indicated to be"
removed. Coordinate with utility companies for shut-off of services if lines are -active.
D. Protection of Persons and Property:
1. Barricade open excavations occurring as part of this work and post with warning lights.
Operate warning lights during hours from dusk to dawn each day.
2. Protect structures, utilities, sidewalks, pavements, anJ other facilities from damage caused by
settlement, lateral movement, undermining, washout and other hazards created by earthwork.
3. Accidental or Careless Damage to Work to Remain in" Place: Restore to a condition as good
as or better than existed before work was commenced as approved by Engineer and at no
additional cost to the Owner.
E. Use of Explosives: Do not bring explosives onto site or use in' work.
F. Cold Weather Protection:. Protect excavation bottoms against freezing when atmospheric temperature
is less than 35 degrees F.
2 PART 2 - PRODUCTS
2.1 MATERIALS
A. General: All borrow materials to be used for backfill and fill shall be laboratory tested (moisture -
density) and approved by Engineer prior to use.
} B. Soil Materials:
1. Definitions:
02200-2

a. Satisfactory soil materials are defined as those complying with ASTM D-2487 soil
classification groups GC, SC, ML and MH.
b. Unsatisfactory soil materials are defined as those complying with ASTM D-2487 soil
classification groups CL, CH, GW, GP, GM, SM,, SW, SP, OL, OH and PT.
2. Subbase Material: Naturally or artificially graded mixture of natural or crushed gravel, crushed
stone, crushed slag, natural or crushed sand.
3. Drainage Fill: Washed, evenly graded mixture of crushed, stone, or crushed or uncrushed
gravel, with 100% passing a 1-1/2" sieve and not more than 5 % passing a No. 4 sieve.
4. Backfiil Material: Soil or soil mixtures, free from organic contaminants and other deleterious
substance. It shall contain no rocks or lumps over G inches in diameter and not more than 15
percent of rock or lumps over 2-1/2" in diameter.
5. Topsoil Fill Material: Provide topsoil to supplement that shown as available for reuse at Site.
Provide clean, fertile, friable, natural loam obtained from a local, well -drained source.
C. Erosion Control Materials:
I. Silt Fences: "MIRAFI 140" by Fisher Industries, Inc. or open -weave burlap.
2. Slope Protection: "Hold/Gro Erosion Control Fabric" by Gulf States Paper Corporation.
3 PART 3 EXECUTION
3.1 EXCAVATION
A. Classification: All excavation shall be considered "Unclassified" and the base bid shall cover the
removal of all material including muck, rock, etc. The Contractor shall make any soil tests necessary
to execute the work. No additional payment shall be made by the Owner for unusual or unanticipated
subsurface conditions.
1. Unauthorized Excavation: Consists of removal of materials beyond indicated subgrade
elevations or dimensions without specified direction of Owner's representative.
a. Unauthorized excavation, as well as remedial work directed by Engineer, shall be at
- Contractor's expense.
b. Backfill and compact unauthorized excavations as specified for authorized excavations
of same classification, unless otherwise directed by Engineer.
2. Additional Excavation: If unsuitable bearing materials, are encountered at required subgrade
elevations, carry excavations deeper and replace unsuitable excavated material as directed.
Removal of unsuitable material and replacement with acceptable material shall be in accordance
with submitted unit prices.
L B. Stability of Excavations: Slope sides of excavations to comply with OSHA requirements, local codes
and ordinances having jurisdiction, -and at least to a slope equal to the angle of repose of the specific
soil encountered. Shore and brace where sloping is not possible. Maintain sides and slopes of
excavations in a safe condition until completion of backfilling.
All trenches more than 5 feet deep shall be shored and braced, or sloped at no steeper than 40
degrees for cohesive soils, 30 degrees for non -cohesive or sandy soils.
2. All trenches more than 5 feet deep shall include ladders, steps, or other OSHA -approved
escape measures.
02200-3

C. Shoring and Bracing:
1. Provide materials for shoring and bracing, such as sheet piling, uprights, stringers and
cross -braces, in good serviceable condition. Establish, requirements for trench shoring and
bracing to comply with local codes and :authorities having jurisdiction.
_ 2. Maintain shoring and bracing in excavations regardless of time period excavations will be open.
Carry down shoring and bracing as excavation progresses..
3. Provide permanent steel sheet piling or pressure creosoted timber sheet piling wherever
subsequent removal of sheet piling might permit lateral 'movement of soil under adjacent
structures. Cut off tops as required and leave permanently in place.
D. Ground Surface Preparation: Remove vegetation, debris, unsatisfactory soil materials, obstructions, and
deleterious materials from ground surface prior to placement of fills. Plow, strip, or break-up sloped
surfaces steeper than one vertical to four horizontal so that fill material will bond with existing surface.
I. When existing ground surface has a density less than that specified under "Compaction" for
particular area classification, break up ground surface, pulverize, moisture -condition to
optimum moisture content, and compact to required depth and percentage of maximum density.
E. Dewatering:
I. Prevent surface water from flowing into excavations and from flooding Project Site and
surrounding area.
'2. Do not allow water to accumulate in excavations. Remove water to prevent softening of
foundation bottoms, undercutting subbase, and soil changes detrimental to stability of
_ subgrades. Provide and maintain sumps, suction and ,discharge lines, and other dewatering
system components necessary to convey water away from excavations.
3. Establish and maintain temporary drainage ditches and other diversions outside excavation
limits to convey rain water and water removed from excavations to collecting or run-off areas.
Do not use trench excavations as temporary drainage flitches.
r
a
F. Material Storage: Stockpile satisfactory excavated materials where directed, until required for backfill
or fill. Place, grade and shape stockpiles for proper drainage.
1. Locate and retain soil materials away from edge of excavations. Do not store within drip line
of trees indicated to remain.
2. Dispose of excess soil material and waste materials as herein specified.
G. Excavation for. Pavement:
1. Cut surface under pavements to comply with cross -sections, elevations and grades as shown.
2. Excavate minimum 6 inches below finished grade for planting and lawn.
H. Excavation for Trenches: big trenches to the uniform width required for particular item to be installed,
sufficiently wide to provide ample working room. Provide 6" to 9" clearance on both sides of pipe or
conduit.
i
1. Excavate trenches to depth indicated or required. Carry depth of trenches for piping to establish
indicated flow lines and invert elevations. Beyond building perimeter, keep bottoms of trenches
sufficiently below finish grade to avoid freeze ups.
2. Except as otherwise indicated, excavate for exterior water -bearing piping so top of piping is
not less than 3'-0" below finished grade.
02200-4

3. Grade bottoms of trenches as indicated, notching under pipe bells to provide solid bearing for
entire body of pipe.
I. Removal of Unsatisfactory Soil Materials:
1. Excavate unsatisfactory soil materials encountered that extend below required elevations, to
additional depth directed by the Owner's representative.
2. Such additional excavation, provided it is not due to fault or neglect of Contractor, will be
measured as directed by Owner's representative and paid for as a change in the Work.
J. Excavated Material: Remove excavated material and legally dispose- of off the Site.
1. If any soil which is indicated to be excavated proves to be satisfactory in place, the Contractor
shall issue a credit to the Owner for the amount of soil not; excavated.
3.2 BACKFILL AND FILL
A. General: Place acceptable soil material in layers to required subgrade elevations for each area
classification listed below:
1. Under grassed areas, use specified till or excavated materials conforming to fill material
requirements.
2. Under piping and conduit, use subbase material where subbase is indicated under piping or
conduit; shape to tit bottom 90 degrees of cylinder.
3. Under asphalt paving use satisfactory excavated or borrow material, to bring excavation to
indicated subgrade, then till with till material conforming to subbase material requirements
specified in Section 02505.
B. Backfill of Excavations: Backfill excavations as promptly as work permits, but not until completion of
the following:
1. Acceptance of construction below finish grade including inspection, testing, approval, and
- , recording locations of underground utilities.
2. Removal of shoring and bracing, and backtilling of voids with satisfactory materials. Cut off
temporary sheet piling driven below bottom of structures and remove in manner to prevent
_ settlement of the structure or utilities, or leave in place if required.
3. Removal of trash and debris.
4. Permanent or temporary horizontal bracing is in place on horizontally supported walls.
C. Proof -rolling: Proof -roll all paved areas as specified in the field quality control paragraphs.
D. Placement and Compaction:
1. Place backfill and fill materials in layers not more than 12 inches in loose depth for material
compacted by heavy compaction equipment, and not more than 4 inches in loose depth for
- material compacted by hand -operated tampers.
2. Before compaction, moisten or aerate each layer as necessary to provide optimum moisture
content. Compact each layer to required percentage of maximum dry density or relative dry
_ density for each area classification. Do not place back.till or fill material on surfaces that are
muddy, frozen, or contain frost or ice.
3.3 COMPACTION
02200-5

i A. Percentage of Maximum Density Requirements: �Compact.soil to thu'followina percentages of maximum
dry density' for soils which exhibit a well-4efined moisture density; relationship determined in accordance with ASTM D 698, and the, following percentages of relative density, within a' range of plus or minus
2 percent:
1. Pavements: Compact top 24 inches'of subgrade at pavements at the optimum moisture content
to 100 percent maxiihunl density, Compact subgrade+ below top 24 inches at 95 percent
maximum density.
2. Walkways, Lawn or Unpaved .Areas: Compact top 6 inches of subgrade and each layer of
backfill or fill material at the optimum moisture content 16J95 Percent maximum density.
3. Refer to Drawings, for additional •requirements. a
Moisture Control: Where subgrade 'or layer of soil material must be moisture. conditioned before
compaction, as determined by the Engineer, uniformly.apply water to surface,of subgrade, or layer of
soil material, to prevent free water appearing on surface during or subsequent to compaction operations.
Remove and replace, or scarify •and air dry, soil 'material that is too.•wct to permit compaction .to
specified density. '
4
1. Remove and replace, or scarify and air dry; soil material that is too wet to •permit compaction
to specified density. The placement' of till and backfill should be observed and tested for
density and moisture content by the Sand Cone Method (QSTM D-1587) or equal :in every
2,000 square feet, or per lift, or'per day, whichever ist lass.
2. Soil- material that has been removed because it- is too wet to permit compaction may be.
stockpiled or spread and',allowed to dry. Assist dryingjbydisking, . harrowing or pulverizing
until. moisture content is reduced to a satisfactory value:
C. Asphalt Pavement Subbase Course: {
1. -Refer to Section 02505 for additional requirements..
2: Place subbase material to layers of specified thickness, over subgrade surface to support a
payment base course. See other sections for paving specifications.
3. During construction, .maintain lines and grades including town and cross -slope of subbase
course. 4
4. Place shoulders along edges .of, subbase course to prevent lateral movement. Construct
_Y
shoulders of•acceptable soil materials,, placed in such quantity to compact to thickness of each
subbase course' -layer: Comp act`and roll -at least a 12" width of'shoulder simultaneously with
compacting and rolling of each.,layer of subbase course. t
'S. When a compacted subbase course is shown to "be 6 thick or less, place material in a single
,
layer. When shown to be more than 6" thick, place niateri.il in equal layers, except no single
layer more than 6" or -less than 3" in thickness when compactul. .
3.4 GRADING "
a `A.' General: Uniformly grade areas within limits of grading under this Section, including adjacent transition .
'areas. Smooth finished surface within specified tolerances, compact with uniform levels or slopes
between points where elevation arc. shown, or between such points and existing grades.-
B. Grading: ;
1. Lawn or Unpaved Areas: Finish areas to•receive tops�oil''to within not more than 0.10 foot
above or below.the required subgrade elevations.
2. Walks: Shape surface of as'urider walks io'line, grade and cross-section-,, with finish surface
not more than 0. 10,foot above or below the required subgrade elevation.
02200-6

3. Pavements: Shape surface of areas under pavement to line, grade and cross-section, with finish
surface not more than 1/2 inch above or below the required subgrade elevation.
C. Compaction: After grading, compact subgrade surfaces to the depth and percentages of maximum
density specified.
D. Slope Protection:
1. Provide erosion control fabric for all slope 1-1/2 to 1 or greater.
2. Leave all areas sloped to drain at all times, allow no ponding of water.
3.5 QUALITY CONTROL
General: Soils Engineer or testing laboratory shall inspect and approve subgradcs and fill layers before
further construction work is performed thereon.
1. Perform field density tests in accordance with ASTM D-1587 (sand cone method) or ASTM
D-2167 (rubber balloon method), as applicable.
A.
B. Field Testing: Tests of subgrades and till layers, at it minumum, will be as follows
1. Paved areas: Make at least one field density test of subgrade for every 2,000 sq. ft. per lift,
or per day, whichever is less, but in no case less than .3 tests. In each compacted fill layer,
make one field density test for every 2,000 sq. ft. of overlaying paved area, but in no case less
than 3 tests.
2. Proof -rolling: The existing ground surface in all construction areas, including the cle<itred area
that extends 5 feet beyond the paved areas, shall bc'proof rolled with a heavily loaded,
pneumatic tired vehicle such as a rubber tired roller, .loaded dump truck, or pan. This vehicle
shall have a minimum static weight of 20 tons and shall- be operated at it speed approximating
that of a slow walk (one to two miles per hour). The proof roller shall make at least tour
passes over the site with at least two passes perpendicular to the first two. Any areas that wave
or deflect excessively and continue to do so after several passes of the proof roller shall be
undercut to firm soil and backfilled with new structural fill. This operation shall be witnessed
by the testing laboratory representative, and it written report submitted to the Engineer.
C. Additional Testing: If, in the opinion of the Engineer, based on reports of testsing service and
inspection, subgrade or tills which have been placed are below specified density, provide additional
_compaction and testing at no additional cost.
3.6 MAINTENANCE
A. General: Protect newly graded areas from traffic and erosion, and keep free of trash and debris. Repair
and re-establish grades in settled, eroded and rutted or damaged areas to specified tolerances.
B. Reconditioning compacted areas: Where completed compacted areas are disturbed by subsequent work
or adverse weather, scarify surface, reshape and compact to required density prior to further
construction.
C. Settling: Where settling is measurable or observable at excavated areas during general project warranty
period, remove surface material, add backfill material, compact, and replace surface treatment. Restore
appearance, quality, and condition of surface or finish to match adjacent work, and eliminate evidence
of restoration to greatest extent possible.
02200-7

1, I
D. Maintenance: Erosion control devices shall be maintained until site has stabilized against erosion.
3.7 DISPOSAL OF EXCESS AND WASTE MATERIALS
A. Removals from Owner's Property: Remove waste materials, including unacceptable excavated material,
trash and debris, and dispose of it off Owner's property.
' I
I
END OF SECTION
02200-8

j
SECTION 02730
SANITARY SEWER
1 PART 1- GENERAL:: w
A. The work of this section consists of .constructing" sewer lines as indicated herein
and as "shown on the plans. "
I • i •
2 PART 2- PRODUCTS:
A. PVC PIPE:
1. Unless amended on the 'construction drawings or elsewhere in these
specifications, sewer pipe shall be Poly Vinyl Chloride, (PVC) plastic and
shall conform to ASTM D-3033,D-3034 or F-76-82, latest revision. Pipe
joints only and joints shall be manufactured and assembled in accordance
with ASTM Specifications :D-3212 latest revision.; The pipe shall be
furnished with integral bells and with gaskets that are permanently installed at
the factory. The pipe shall be furnished in nominal lengths of 13 feet: PVC
sewer shall be green or white in color. `
2.. PVC pipe must be replaced with ductile iron pipe when crossing water mains
7and other utilities as specified .elsewhere in this ;document. Couplings for
joining PVC, pipe to ductile - iron rings as manufactured by Mission Clay
Products or equal.. i
B. - DUCTILE IRON PIPING:
All Ductile Iron Pipe shall conform to ASTM A-746, ± ANSI A21.50, ANSI
A21.51, AWWA C150 or AWWA C151, latest revision. The outside of the pipe
shall have a bituminous coating as specified in ANSI A21.6 Section 6-8.1 and
cement -mortar lining in accordance with ANSI A214. Unless otherwise shown
on the construction drawings, minimum pipe Aiickness,Class shall be 52.
C. MANHOLES:
1. ; Sewer manholes shall be constructed' of precast concrete sections in
conformance with these specifications and details on the plans. Manhole top
elevations must be greater titan or equal to the fifty (50) year floodelevation"
unless watertight covers are provided.
a. Sewer Brick: all brick used to construct manhole inverts or adjust frames
shall be made from clay or shale, shall be solid only, and shall be of
02730-1

standard building size. All brick shall meet or exceed the compressive
-- strength and water absorption properties specified in ASTM C32 for
Grade MS brick or in ASTM C216 and ASTM 62 for Grade SW brick.
b. Precast Reinforced Concrete Manhole Sections: All precast reinforced
concrete manholes shall conform to details on the plans and to ASTM
C478. Joints between sections shall be sealed with O-rings conforming
to ASTM C443 or flexible butyl rubber sealants supplied and
- recommended by manufacturers. Such sealants shall conform to Federal
Specifications SS-S-240 and to AASHTO Specification M-198B. All
markings required by ASTM C478 shall be clearly stamped on the inside
of each section.
D. GRAY IRON CASTINGS:
Al 1 manhole frames, covers, and step shall conform to ASTM A48. All test bars
shall meet the requirements of Class No. 30 of that Standard. All castings shall
be coated in conformance with ASTM A74, Section 7.7.1 (coating). Manhole
- , frames and covers shall be furnished with the common contact surfaces between
frame and cover machined. Manhole covers will be furnished with only two (2)
holes as shown in the details. Standard Height frames and covers shall be Dewey
— Brothers RCR 2010, Vulcan V-1383, or approved equal. Low profile gray iron
frames which accept standard covers are also equal. Low profile flames shall be
Vulcan V 1383-1 or approved equal.
E. CLEAN -OUTS:
Clean -outs shall be PVC, schedule 40 and shall be constructed as shown by the
detail on the plans.
3 PART 3- EXECUTION:
3.1 TRENCH EXCAVATION:
A. No more trench shall be opened in advance of the pipe laying than is
necessary to expedite the work. Generally, no mote than 100 linear feet of
trench shall be opened at any one time.
B. Trench width at top of pipe shall be equal to the outside diameter of the pipe,
measured at the bells, plus 18 inches.
3.2 PIPE LAYING:
02730-2

y A. PVC gravity sewer pipe must be installed in accordance with ASTM
rk — D-2321, latest revision. In all instances, pipe shall be laid in a woman like
manner, true to line and grade, with bell ends facing up -grade in the direction
of laying.
_ The various pipes referred to herein shall be handled, belled up, and. laid in
accordance with the manufacturer's requirements and good construction
- + practices. i
I
I
B. Proximity to Water Mains: When sewers are proposed adjacent to any existing or
proposed potable water supply facilities, the following lrequirements apply:
- 1. Potable Water Supply Interconnections: There shall. be no physical connections
between a public • or private potable water supply system and a sewer, or
appurtenance thereto which may permit the passage of any sewage or polluted
water into the potable supply. No potable water pipes ,;shall pass through or come
into contact with any part of the.sewer manhole. =
— 2. Horizontal and Vertical Separation From. Potable Water Mains: Sewers shall be laid
at lest ten (10) feet horizontally, from any existing or proposed potable water
main. The distance shall be measured edge to edge; In cases where it is, not
practical to maintain a ten (10) foot separation, the Department may allow
deviation on a case -by -case basis, if supported by data from the design engineer.
Such deviation may allow installation of the sewer close to a.potable water main,
=� provided that the potable water main is in separate trench or on an undisturbed
earth shelf located on ne side of the sewer at an elevation so the bottom of the
potable water main is at least (18) inches above the top' of the sewer.
_ 3. Crossings: Sewers crossing potable water mains shall be laid 'to provide a minimum
vertical separation of eighteen (18) inches between the outside of the potable
water main and the outside of the sewer. This"shall be4he!case where the potable
water main is either above or below the sewer.. Whenever possible, the potable
water- main shall be located above the sewei main. ! Where a new sewer line
crosses.a new potable main, the full length pipe shall be used for both the sewer
line and potable water main and the crossing shall be airanged so that the joints of
each line shall be as far as possible from the point of crossing each other. Where
a potable water main crosses under a sewer, adequate; structural support shall be
- provided for the sewer line to prevent damage to the" potable. water 'main while
maintaining line and grade.
1 4. Force Mains: There shall be at least a ten(10) foot horizontat 'separation between
02730-3

sanitary sewer force mains and potable water mains. There shall be an eighteen
(18) inch vertical separation .at crossing as required in subsection 02730.3.3.B.4 and
subsection 02730.3.3.B.3.
5. Special Conditions: When it is impossible to obtain ,the distances specified in
subsection 02730.3.3.B.2, subsection -.02730.3.3.B.3, and subsection
02730.3.3.13.4, the department may allow an alterliate design. Any alternate
design shall:
(1) maximize the distances between the sewer line and the potable water main and joints
of each.
(2) use pipe materials which meet the requirements as; specified in Regulation
61-58.4(D)(1) for the sewer line; and
(3) allow enough distance to make repairs to one of the lines without damaging the other.
6. Sewer Manholes: No potable water pipe shall pass through; or come into contact with
�.i any part of a sewer manhole.
I '
3.3 MANHOLE CONSTRUCTION:
All manholes outside street rights -of -way or landscaped areas shall be constructed to a
height of two (2) feet above the adjacent ground unless otherwise indicated on the plans.
Manholes within street rights -of -way or landscaped areas shall have;) finish rim elevations
Rush with the pavement or adjacent finish grade.
3.4 LEAKAGE TEST:
All gravity sewers shall be designed and specified such that the leakage outward
(exfiltration) or inward (infiltration) shall not exceed two hundred (200) gallons per inch
,l
of pipe diameter per mile per day.
END OF SECTION
02730-4 '
I

SECTION 02732
FORCE MAINS
1.1 GENERAL: The Contractor shall provide all labor, materials, and equipment to
construct the force main as stated below and as shown on the plans, complete in place
and ready for operation.
1.2 LOCATION AND GRADE: The force main shall be located as dimensioned on the
plan sheet; and shall be laid to a grade at three (3) feet below finish grade, unless
otherwise shown in the plans.
1.3 EARTHWORK, CONCRETE WORK: Refer to appropriate Sections in the
Specifications.
1.4 MATERIALS: Force main material shall be PVC pipe or ductile iron pipe. PVC force
main shall conform to ASTM D-2241, latest revision. Ductile iron force main shall
conform to ASTM A-377, latest revision.
1.5 TRENCH EXCAVATION AND BACKFILL: Trench excavation shall be as required for
sanitary sewers except that the force main shall follow ground finish grade at 3'0" of
cover.
1.6 INSTALLATION:
A. PVC force main shall be installed in accordance with ASTM D-2321, latest
revision.
B. Ductile iron force main shall be installed in accordance with AWWA C-600,
latest revision.
1.7 DETECTOR TAPE: An approved detector tape shall be buried on top of the pipe for
operator location purposes.
END OF SECTION
02732-1

SECTION 02930
SEEDING AND MULCHING
1 PART 1 - GENERAL
1.1 DESCRIPTION
A. The work covered by this section consists of furnishing all labor, materials, and equipment and the
performing of all operations necessary or required to topsoil, tine grade, fertilize and seed all the graded
and cleared areas indicated on the drawings, including those areas disturbed in the course of
construction.
1. This section includes requirements both for temporary ;seeding for erosion and sedimentation
control, and final seeding for permanent stands of grass.
B. Related Sections:
1. 02100: Site Preparation
2. 02190: Soil Erosion and Sedimentation Control
3. 02200: Earthwork
t 2 PART 2 - PRODUCTS
2.1 MATERIALS
A. Topsoil: Topsoil shall be from stockpiles'created from stripping and required excavation. Should
4, additional topsoil be required in excess of that obtained from stripping and excavation, the Contractor
shall obtain material from other approved sources off the site. The topsoil shall be natural, friable soil,
possessing characteristics of representative soils in the vicinity which produce heavy growths of crops
of grass. It shall be obtained from naturally well -drained areas, shall be reasonably free from subsoil,
brush, objectionable weeds, and other litter and shall be free from toxic substances, clay lumps, stones,
roots and other objects larger than 1 inch in diameter, or any other material which might be harmful
to plant growth or be a hindrance to grading, planting, and maintenance operations.
B. Fertilizer: Fertilizer shall be the product of an approved commercial fertilizer manufacturer and shall
be 10-10-10 grade, uniform in composition, free -flowing material suitable for application with approved
standard equipment. The fertilizer shall conform to the'applicable State fertilizer laws and shall be
delivered to the site in bags or other convenient containers each fully labeled and bearing the name,
trademark, and warranty of the producer.
1. The fertilizer shall be approved for sale and distribution in North Carolina by the NC Dept of
Agriculture.
2. If bulk or batch mixed fertilizers are used, submit certification of contents and alternate
I'.
application notes for review.
C. Lime: Lime shall be ground limestone containing not less than 85 % of total carbonates and shall be
ground to such fineness that at least 50% will pass through a 160-mesh sieve and at least 90% will pass
through a 20-mesh sieve. Coarser materials will be acceptable provided the specified rates of application
are increased proportionately on the basis of quantities passing the 100-mesh sieve, but no additional
payment will'be made for the increased quantity.
02930-1

l
D. Superphosphate: Finely ground phosphate rock containing minimum 18 percent available phosphoric
acid.
E. Seed: All seed used shall be labeled in accordance with U.S. Department of Agriculture Rules and
Regulations under the Federal Seed Act, and approved by the North Carolina Department of
Agriculture. All seed shall be furnished in sealed standard containers. Seed which has become wet,
moldy, or otherwise damaged in transit or in storage will not be acceptable. The seed quality
requirements for this project are as follows:
1. Seed shall be entirely free from bulblets or seed of Johnson Grass, Nutgrass, Sandbur, Wild
Onion, Wild Garlic, Witchweed, and Crotalaria.
2. Seed shall not contain more than 2%, singly or collectively of crop seed other than the kind
or kinds of seed specified.
3. Maximum noxious weed seed shall be 0.05 percent.
4. Minimum guaranteed germination rate for all seed shall be 90 percent unless otherwise
indicated.
5. The Crop Seed quality requirements for each kind of;seed are as follows:
a. Fescue: Rebel 2, Falcon Fescue or Kentucky 31 Tall Fescue: Minimum 98% pure live
seed; Maximum 1 % total weed seed; maximum 2% total other crop seed; maximum
100 restricted noxious weed seed per pound.
b. Rye Grain (Annual): Minimum 98% pure live seal; maximum .10% weed seed;
I minimum 85 % germination.
i C. Sweet Sudan Grass Seed: Minimum 98% pure live seed; maximum 0.25% weed seed;
maximum 2% total other crop seed; maximum 100 restricted noxious weed seed per
pound; minimum 85 % germination.
F. Mulch: Mulch shall be salt hay, clean threshed straw of oats, wheat, barley, or rye. Materials for
securing mulch may be one of the following:
i 1. RC-2 cut -back asphalt for asphalt tack coat conforming to Fed. Spec. SS-A-671a; the asphalt
emulsion shall conform to Fed. Spec. SS-A-674, Type V.
- 2. Matting: Plain open weave jule rolls, 18 inches wide. Jute yarn shall be loosely twisted
construction not varying in thickness more than 1/2 its normal diameter, and having 76 to 80
warp ends per 18 inches width, 40 to 42 weft ends per yard length, for slopes 2.5:1 or steeper.
3. Mat anchors: Bailing twine and soft -wood pegs 1 /2" x I" x 12" long, made especially for this
purpose.
2.2 INSPECTION AND TESTS
A. Fertilizer and Lime: The Engineer shall be furnished with duplicate copies of invoices for all fertilizer
and lime used on the project. Invoices for fertilizer shall show the grade furnished. Invoices for lime
shall show total minimum carbonates and minimum percentages of the inaterial furnished that pass 100-
and 20-mesh sieve. Upon completion of the project, a final check of the total quantities of fertilizer and
lime used will be made against the total area topsoiled and seeded, and if the minimum rates of
application have not been met, the Engineer may require the distribution of additional quantities of these
materials to make up the minimum application specified at no additional cost to the Owner.
B. Seed: The Engineer shall be furnished duplicate signed copies of a statement from the vendor, certifying
that each container of seed delivered is fully labeled in accordance with the Federal Seed Act and is at
least equal to the requirements specified herein. This certification shall appear on or with all copies of
invoices for seed.
02930-2

3 PART 3 - EXECUTION
3.1 PREPARATION OF AREAS TO BE SEEDED
A. Clearing: Prior to or during grading and tillage operations, the ground surface shall be well drained,
cleared of all brush, roots, stones larger than 1 inch in diameter, or any other material which may
hinder proper grading, tillage, or subsequent maintenance operations.
B. Fine Grading: Areas to be seeded shall be graded as shown on the drawings or as directed and all
surfaces shall be left in an even and properly compacted condition so as to prevent the formation of
depressions where water will stand. Areas to be topsoiled shall be'graded to a smooth surface and to
a grade that will allow topsoiling to finished grade.
C. Topsoiling: Immediately prior to placing topsoil, the subgrade, ,where excessively compacted by traffic
or other causes, shall be loosened by scarifying to a depth of at! least 3 inches to permit bonding of the
topsoil to the subgrade. Topsoil shall be uniformly spread by approved equipment in sufficient quantity
to provide a compacted layer of 4 inches in thickness over the designated areas and in such manner that
planting can proceed with little additional soil preparation or tillage. Topsoil shall not be placed when
the subgrade is frozen, excessively wet, extremely dry, or in a condition otherwise detrimental to the.
proposed planting or to proper grading. Topsoil shall be graded; to the lines indicated or as directed and
any irregularities in the surface resulting from topsoiling or other operations shall be corrected to
prevent formations of depressions where water will stand.
Provide final contours with gently sloping or rolling levels to assure proper drainage, rounding
off sharp changes in elevation. Provide sufficient topsoil so that areas adjacent to pavements,
after final settlement, will be 1/2 inch higher than paving where areas drain onto pavemnts, and
112 inch lower than paving where paving drains to grassed areas.
D. Tillage: After topsoiled areas required to be seeded have been brought to the grades shown on the plans
and as specified, they shall be thoroughly tilled to a depth of 3 inches by approved methods, until the
condition of the soil is acceptable. Any objectionable undulations or irregularities in the surface resulting
from tillage or other operations shall be removed before planting operations are begun. The work shall
be performed only during periods when satisfactory results are likely to be obtained. When conditions
are such, by reason of drought, excessive moisture or other factors, that results are not likely to be
satisfactory, stop the work and resume it only when the desired results are likely to be obtained.
E. Application of superphosphate: Superphosphate and lime may be distributed at the same time, and shall
be distributed uniformly at the rates specified herein or in consultation with the County Extension
Service over the areas to be seeded, and shall be incorporated into the soil to a depth of 3-4 inches by
approved methods. The incorporation of superphosphate may be accomplished as part of the tillage
operations specified above.
F. Application of fertilizer: Fertilizer and superphosphate may be distributed at the same time, and shall
be distributed uniformly at the rates specified herein or in consultation with the County Extension
Service over the areas to be seeded, and shall be incorporated into the soil to a depth of 3-4 inches by
approved methods. The incorporation of fertilizer may be accq'mplished as part of the tillage operations
specified above. Distribution of seed and fertilizer together by means of approved equipment will be
acceptable.
G. Application of lime: Immediately following or simultaneously with -the incorporation of the fertilizer and
superphosphate, lime shall be distributed at the rates specified herein, and shall be incorporated into the
soil to a depth of 3-4 inches by approved methods. The incorporation of the lime along with the
02930-3

fertilizer may form a part of the tillage operation specified above, provided grass seed is not included
in the mixture.
3.2 SEEDING
A. General: All seeding shall be done in accordance with all applicable,requirements of Section 880 of the
NC DOT Standard Specifications, and the North Carolina Department of Agriculture. The Contractor
shall employ generally accepted methods of sowing making use of approved mechanical seeders,
mechanical hand seeders or other approved methods. When conditions are such, by reason of drought,
high winds, excessive moisture, or other factors, that satisfactory results are not likely to be obtained,
stop the work and resume it only when conditions are favorable.
1. Seed may be sown immediately after application of soil amendments, provided soil remains in
a loose friable condition. If soil has become hard or unsuitable, till to a friable condition.
B. Areas to be seeded: All specified unpaved graded areas, and all other areas disturbed by the
Contractor's operations shall be seeded in accordance with these specifications.
C. Method of seeding: Seed shall be broadcast either by hand or approved sowing equipment at the rates
indicated on the drawings. The seed shall be uniformly distributed over the designated areas and shall
be covered to a depth of 1/8 inch by means of a brush harrow, spike -tooth harrow, chain harrow,
cultipacker, or other approved devices. Broadcast seeding shall not be done during windy weather.
1. If hydraulic method is substituted, submit alternative mulch, tack, and application rates to
Engineer for review.
D. Clean up: After the seeding has been completed, and prior to compaction, the surface shall be cleaned
of all stones larger than 1 inch in diameter and of all roots, brush, trash, or other objects that may
interfere with maintenance operations.
rE. Compaction: immediately after seeding is completed, the seedbed shall be compacted by means of an
approved lawn roller weighing 40 to 65 pounds per foot of width for clay soil and 150 to 200 pounds
per foot of width for light soil; unless an intervening precipitation causes such rolling to be detrimental
to the sealed area.
3.3 MULCHING
A. Applying mulch: The mulch shall be spread uniformly in a continuous blanket, using 1-1/2 tons per
acre. The mulch shall be anchored in place by the application- of asphalt material at the rate specified
in this section of the specifications. A method of applying mulch and asphalt stabilizer simultaneously
by special equipment designed for the purpose will be acceptable. Mulching may be secured by other
approved methods not considered detrimental to future maintenance. Mulching shall be started at the
windward side and shall continue uniformly until the area is completely covered.
1. Securing mulch (alternate method): Securing of mulch by the peg and twine method will be
acceptable if pegs are placed on 4-foot centers and driven flush with the sealed surface, and
provided that wire and hardwood pegs are not used.
2. Install jute matting by unrolling downhill and running strips parallel with 2 inch overlaps.
Bury top edge of jute in a 4-inch deep trench, and spike jute at 10 inches intervals spaced 4
feet o.c.
3.4 APPLICATION RATES
02930-4

A.
The kinds of seed and the rates of application of seed', fertilizer, limestone,.mulch, and asphalt tack shall
be as shown on the drawings. '
. I 3.5 . MAINTENANCE
A.
''The Contractor shall be responsible for the proper care and maintenance of the seeded areas until the ;
I
work under the entire contract has been completed -and accepted bye the Engineer. Maintenance shall
!
consist of repair and replacement of eroded areas, watering, weed and pest control, refertilizing,
reliming, reseeding, and remulching as necessary to provide an even, ,fixed growth'ofgrass. In addition,
the Contractor shall provide protection against traffic and, shall erect the necessary barricades and
warning signs immediately after •planting is completed.' 1 ;
B. J ;
. Any bare areas greater than 1, square foot,, or area's ,of insufticient,� coverage shall be reworked and
reseeded during the warranty period. i
C.
Watering: Keep seeded areas constantly moist fora period of 3!weeks, using' frequent light watering
(2 to 4 times per day) rather than soaking the soil, when it becomes dry. The amount and Frequency of
I
water application will vary somewhat with soil texture. After 3 weeks, water each areaat least once a
day until the grass has achieved complete cover. !
`D.
fertilize seeded 500 lbs of 10-10-10
"
Post -Planting Fertilization: Three weeks, after planting, areas with
--
fertilizer per acre. Repeat application e.1ch week for two weeks. On the sixth week after planting,
fertilize with a complete.(10-10-10) fertilizer at the rate of 500 llis per acre. To avoid burning, fertilize
{
when grass is dry'and water immediately following applicaticin.j
E.
Mowing: The seeded areas shall be inowed wiIh approved, mowing equipment tip it height of 2-1/2 inches
whenever the' average height of grass becomes 4 inches.' I1 wu ds or other undesirable vegetation
threaten to smother the planted species, vegetation slia11:1ie +Wowed, or in the case of rank growths,
shall be uprooted, and removed from the area. "
3.6 REPAIR '
A.
' When the'surface of any part of an area which has, been'seeded, is Bullied or otherwise, damaged; the..
affected portions shall be repaired. to re-establish the condition and grade of seed; prior to the injury and
shall then be reseeded as,herein specified at no additional expense to the Owner.
END OF, SECTION
02936-5 7.

SECTION 13A
PERMANENT OBSERVATION WELLS
13A.1 SCOPE: The Contractor shall construct the required numler,of permanent
observation wells as shown on the plans and described in the specifications.
13A.2 CONSTRUCTION: The well casing shall be 1 1/4" galvanized iron. The top shall
have screw threads and a cup with a lock. The screw shall be 1 1/2" and 3' long. The slot
openings shall be sized to retain the soil material in which it is installed.
A. Development: The wells are to be pumped to clear the strata of all drilling mud
and' cuttings.
B. Testing: No Chemical or bacteriological tests are required.
13A.3 WELL DESCIPTION:
A. Well No. 1: Well No. 1 shall be located as shown on plan sheet no. 1. The screen
shall be set in a sand strata between 20 and 30 feet of depth.
B. Well No. 2 and No. 3: Well No. 2 shall be located as shown on the site plan. The
screen shall be set between 5 and 15 feet of depth.. Well No. 3 'shall be located as
i shown on the site plan. The screen shall be set at the first sand unit below 20 feet
of depth.
13A.4 REQUIREMENTS: Well construction shall meet the requirements of Well,
Construction Standards as regulated by the N.C. Department of Natural Resources and
4 Community Development (NCDNR&CD). The Contractor shall submit a completed
"Well Record" Form GW-1 and a copy of the variance approval to: the DNRCD for each
well. The Wilmington Regional office of the DNRCD shall be notified by the contractor
-� before construction of the wells begin.
13A.5 PAYMENT: No separate payment for monitoring wells shall be made. Payment
shall be included in the lump sum bid for the facility as shown in the Bid Proposal.
t

Division 13- SPECIAL• CONSTRUCTION
SECTION 13B- WASTEWATER TREATN ENT FACILITY
- 1313.1 GENERAL REQUIREMENTS: The, work in this section consist of the expansion,
G and up -grading of the existing wastewater facility. The existing facility is a 20,000,
gallon/day extended aeration process. An additional 20,000 gallon/day extended aeration
unit shall be added as shown on the plans. The discharge/effluent !from Lagoon no.2 shall
be eliminated. A new 5.08 acre spray irrigation•system.shall be constructed as shown on
the plans. -Refer to section 13C Sprinkler System Specifications. The; work includes the
construction of a concrete flow splitter, extended aeration unit, chlorine chamber, storage
j basin, pumping station with 6'-0'diameter concrete intake structure, 3" PVC force main •
to the spray irrigation field with clean out, &' sewer lines, outlet/inlet boxes and -other
construction as shown on the plans and described in the specification.., The spray field
shall include PVC mains; laterals; and piping to sprinklers, control] valves; an air relief
vaccum valve, fittings, sprinklers, 'and electrical control All work; shall be, in accordance
with the' plans and specifications' and 'approved by the Engineer. ! a
r 13B.2 SITE PREPARATION: ',The site shall be prepared -by cleaiing and grubbing as . -
stated under Section 02'100 Site Preparation, except that the area will have all stumps
removed, and all roots, topsoil, organics -and other unsuitable foundation supporting
materials. After stripping, the area under the dikes shall be proofrolled with a 10-ton
r-4 vibratory roller to locate any area of soft or otherwise unsuitable so' it conditions. Any
. � area that: ruts or pumps water in the Engineer's opinion shall be undercut and replaced
with suitable foundation bearing materials. Earthwork'shall conform Section 02200,
Earthwork:
13B.3 ' EMBANKNIENT CONSTRUCTION:. After the proof rolling; has been ,-
completed, the on -site suitable sands maybe excavated for use as structural fill to
--construct the lagoon embankment or, dykes. , g
It will be necessary for the contractor to provide dewatering by ditching or other methods
if necessary around the perimeter due to the groundwater table. The contractor will
satisfy himself by site'visitation and any soils.information available before bidding the
x work that he will provide adequate dewatering methods to control 'the site groundwater
and storm water on interior of dykes.
The fill used to construct the dykes shall be a clean silty, or clayey, sand having a unified
soil classification of SP, SM, or SC: There are on}site soils that meet this classification.
The fill shall be, placed in 6 to 8 inches thick lifts and shall "be compacted to at least 95 .
percent of standard proctor maximum dry density (ASTMD 698). 1 For building
structures, compaction shall be as required under Section 0200, Earthwork.
13B-1..
I

13B.4: 8-INCH CLAY LINER: The• Subsurface Investigation Report, containing the soil
testt shown in the appendix states that there is- no suitable clay material on-site.for the clay
liner. The Contractor is free to search the site, area for suitable clay, exclusive of the "
sprayfield areas, if he wishes. The Contractor shall furnish clay borrow as required. The
material for clay liner shall be clean play or clayey sand that when,9c6mpacted will -
provide'a permeability rate of 1 times 10-6 cm%sep: It shall be certified by'an approved
testing laboratory. Compaction and permeability tests will. be performed where and at the
Engineer's direction. The subgrade will be approved by the Engineer prior to placement
of the 84nch clay liner. i
"The borrow site for the clay will be, tested for permeability'before ,hauling to the job site.
At -the job site, an area will be designated as a, mixing area for the clay' liner. The.
Contractor will mix the clay and. sand and add water if required for proper moisture .
content at the mixing. area before placement on the dykes slopes and the lagoon bottom. -
The Contractor may 'mix the soil on the botfom of the slopes, if he can ;assure_ the'Engineer
that the subgrade will not be disturb and that adequate mixing and compaction will be
obtained: The moisture content of the clay shall be maintained within�i 3 percent of the
j optimum moisture content and compaction shall be accomplished with either.a sheeps
foot roller or a static wheel roller:
13B.5 GRASSING AND EROSION CONTROL: As soon as the dykes are compacted,
tested and approved. by the Engineer, the Contractor shall immediately begin preparing
slopes for the. seeding and the protection from the weather.. If necessary in the opinion of
the Engineer, anti -erosion measures,, including'a vegetative erosion control matt such as
_{ "Hold-Gro" or straw mulching shall be employed to protect the dyke slopes will be,
Permitted.
The Contractor shall `maintain the grass to a minimum of a 4 inch stand and complete
germination of the total exposed dyke area. See Section 2930 Seeding and Mulching, and
Section 02190 Soil Erosion and Sedimentation Control. ;
13B.6 ENGINEER AUTHORITY: As stated under Paragraph 27� of the General.
f Conditions. The Engineer will review all materials and construction procedures by the
-contractor. The Contractor will provide and maintain a superintendent on the site at all
times that can supervise the work, and.schedule to satisfaction of the Engineer and Owner.
i
—� 13B.7 Chlorine Chamber and Equipment: A new chlorine chamber will be constructed .
as shown on the'plans. The existing chlorine chamber will be abandoned and the existing
chlorinator and Stevens according shall be relocated to the new chamber as shown on the
plan details.
END OF, SECTION
13B-2 +
f

Division 13-SPECIAL CONSTRUCTION
Section 13C-SPRINKLER SYSTEM & CONTROL VALVES
13C.1 SCOPE: The work in this section consists of the furnishing and installation of a
sprinkler system with electrical control wiring and shall include excavation furnishing
and backfill, the furnishing, installing and testing of the sprinkler pipes, valves and
fitting, in accordance with the plans and specifications.
13C.2 GRADE AND DRAINS: All piping shall be graded so that the entire system of
piping may be completely drained. The circuit piping, beyond each automated control
valve shall be properly sloped back to the control valve for draining of piping back
through the control valve or where this is not possible, or other type automatic control
valve are used, the piping shall be pitched to a low point or low points and a drain valve
installed at each low point with gravel drainage pump, valve marker, etc.., as shown on
the drawings.
i 13C.3 PIPE:
- A. General: Unless otherwise specified or shown on the plans, the construction
of sprinkler lines and installation of control wiring and/or control lines shall
include excavation and backfill, the furnishing, installing and testing of sprinkler
pipe, valves and fittings, in accordance with the plans and specifications.
B. Plastic Pipe Lines: Plastic pipe shall be rigid unplasticized PVC, Class 200
J SRD 21 as specified for forcemain, Section 2N, extruded from virgin parent
material of the type specified on the plans. The pipe shall be homogenous
throughout and free from visible cracks, holes, foreign material, blisters,
deleterions,wrinkles and dents.
C. Plastic Pipe Fitting and Connections: All plastic pipe fittings to be installed
shall be molded fitting manufactured of the same material as the pipe and shall be
suitable for solvent weld, slip joint ring tite seal, or screwed connections. No
fitting made of other material shall be used except brass schedule tees and crosses
as hereinafter specified.
Slip fitting socket taper shall be so sized that a dry unsoftened pipe end,
conforming to these specifications, can be inserted no more than halfway into the
socket. Plastic saddle and flange fittings will not be permitted. Only Schedule 80
- pipe may be threaded.
When connection is plastic to metal, male adapters should be used. The male
- adapter shall be hand tightened, plus one turn with a strap wench. Joint
compound shall be Rector Seal No. 5 or approved equal.
13C-1

D. Identification: `All pipe shall be continuously, and permanently marked, with
the following information: Manufacturers name or trademark,'size, schedule and.
type of pipe, :working pressure at 73 degree's F and National Sanitation Foundation •
(NSF) approval.
E. _ Installation of the Plastic'Pipe: Plastic pipe shall be instailed in a manner so
as to provide for expansion and contraction as recommended by the manufacturer..
Plastic pipe shall be cut with a handsaw 'with the assistance of a square in sawing
vice, or in manner so as to ensure a square cut. Burrs at cut ends shall be
removed prior to installations that a smooth and unobstructed flow will be
obtained.
All plastic to plastic joints shall'be solvent -weld joints ";or slip seal joints.
Only, the solvent recommended by the pipe manufacturer shall be used.
All plastic pipe and fittings shall be installed as outlined and instructed by
the pipe manufacturer and it shall be the contractors s responsibility to
make arrangements with the .pipe manufacturer for zany; field assistance
that may be necessary.,-, The contractor shall assume full responsibility for
the correct installation,
- i
F. Flushing and Testing: After all new sprinkler piping and risers are in
, place and connected, for any. given sectionand all necessary division
work has been .completed and prior to the installation of sprinkler heads, .-
all control valves shall be opened and, a full head of water used, to flush
out the system. I
Testing of the system shall be performed•after completion of the entire
installation and any necessary' repairs shall be made, at the contractor's
expense,to put the, system in good .working order before final payment by
the O.wnef. Testing shall be, approved by the Engineer!
13C.4 SPRINKLER HEADS:. j
General: Unless otherwise, specified or designated on the plans, .
the installation of . the sprinkler heads shall include the excavation and
backfill, the furnishings, installing and, testing of risers; fittings and
sprinkler heads, and the removal of all other work in,accordance with the
plans,'and specifications.
Sprinkler heads shall be the type and size with, the diameter or
radius of throw, ,discharge and any other designations necessary to
13C-2
I

determine the type and size, as indicated on the plans. tThey shall be
constructed of materials as specifically specified. All lieads,of a particular
. type and for a particular function in the. system shall be, of the same, - .
manufacturer and shall be marked with the manufacturers name and
identification, in..such a position that they can be identified without being
removed from the system.
All sprinkler heads shall be set perpendicular to finished grades
Unless otherwise designated on the drawings or otherwise specified.
All sprinklers, having adjusted pin nozzles, shall have the pins
adj usted into the stream for proper and adequate distribution of the water'
over the coverage pattern of the sprinkler at such time as the system is
finally completely checked out. "
All nozzles' on. stationary spray heads shall be tightened after ;
installation. All sprinklers having an adjusting screw, adjusting stem or
adj usting friction collars shall be adjusted on.a lateral line, or circuit as
required for the proper arc of coverage, radius, diameter and/or gallonage
discharge.
B. Sprinkler risers: Risers,shall"be constructed as shown on Sheet 70 of
theplans. 'The horizontal nipple connected directly, into the side outlet of
the main line shall 'be a minimum of four(4) inches long. All other nipples
of the swing joing triser shall of length as required for proper installation
of. the, sprinkler head, drain valve and/or automatic control valve.
All risers for oscillating sprinklers set above grade shall be. Schedule 80
PVC plastic pipes.' Risers shall be securely braced by means of a concrete
collar at the surface, as may be required to securelystabilize the riser
against any vibration when the sprinkler head is in operation. Failure of
the Contractor to provide such adequate stabilization shall be,sufficient
cause for the owner to reject this -portion of the, system and Contractor
shall correctly re -install this portion of the system to the satisfaction of the
Owner or Engineer at his own expense without additional cost -to the
Owner.
C. Impact Horizontal Oscillating Type Sprinklers -General: The full or
part circle. impulse. sprinkler heads'shall be AGRI-PRODUCTS CO. single
nozzle sprinklers with radius or'diameter or coverage, discharge capacity
and nozzle sizes with operating with the nozzle discharge pressures all as .
shown, on the drawings. The bearing pipe thread connection, bearing. type,
nozzle sizes and performance characteristics shall be as specifically
13C-3 i
f

: specified hereinafter for each, particular model.
The sprinkler body,,shall be of brass construction. The ;oscillating arm
spring shall.be of stainless steel for corrosion'resistance and -shall be
attached at the top of the bridge acid to the arm. The sprinkler.arm shall
be of brass construction, and fulcrum pin shall be of stainless. steel.
The "arm shall be of proper weight and shape -to provide balanced -drive -
impact,on two contact points -of the sprinkler body. The inner bearing -
nipple and the outer bearing ,sleeve shall be of the highest grade machine
brass and shall be accurately machined to assure smooth and continuous
operation.
i
The sprinkler shall have -a low angle of trajectory for effective operation
against high wind conditions. The sprinkler shall have Isealed bearing
assembly for each particular model.
The bearing assembly shall completely protect the 'bearing and shall
consist of a spring loaded top bearing seal and a wear resistant bottom seal
to positively keep, water borne abrasives and blown,sand from entering the
bearing..
Sprinklers shall be nozzle sprinklers and shall have;;straight bore range
nozzle and shall have oscillating arm driven from, the range noThe
tapping for the spreader nozzle shall be, plugged. +
' 13C.5 VALVES -GENERAL: The installation of all valves shall include
the excavation and backfill, the furnishings, installing and testing of risers, .
fittings, Dan valves, and all other work in accordance with the plans and .
specifications. + '
All manual angle valves and manual angle drain val'ves� shall be installed
with a length of 2-inch PVC plastic pipe required to; extend from the top'
of the valve to finish grade line. A Rain Bird, locking type, valve,marker
shall be installed in the top of the 2-in6h pipe for easy location of the,
valve and for access to operation of the valve.
13C.6 MANUAL ANGLE DRAIN VALVES: At the low point or points
of each sprinkler circuit on the sprinkler side of each control valve where
the piping cannot be pitched back to the control val I e'or where solenoid '
type diaphragm valves are being used, and.at all low points of the piping .
system and/or where indicated -on the drawings furnish'and install Rain
Bird Model MAV manual angle.drain valves. Valves shall -be as
13C-4

previously specified for manual angle control. valves and shall be -installed .
with reverse direction of flow. Install with 27inch PVC pipe and Valve,
marker as previously specified and provide gravel sump of required'size'at
outlet of each valve for proper drainage. See plan detail. .
13.7 VALVE MARKER: All manual angle controllvalves. automatic
control valves, and manual angle drain valves, where shown on the
drawings, shall be provided with a Rain Bird Model 63,100 valve marker.
The valve marker shall be bright yellow molded soft rubber. IT shall be
complete with all brass construction compression lock,+ with recessed key
head lock. The valve'markers shall be such that it will isecurely, lock into
2-inch PVC plastic pipe. The 2-inch piece of plastic pipe shall be installed
from the body of the valve up to the ground surface'lsuch that valve marker
11
will be flush with the turf surface:' The contractor shall, also furnish to the
Owner a sufficient number of Rain Bird Model No.2049 keys for the valve
marker.
The valve.markers and keys shall be as manufactured and supplied by
AGRI-Products Co. Glendora,, California.
13C.8 AUTOMATIC REMOTE CONTROL VALVES; ELECTRIC'
•. SOLENOID TYPE(Series "E" and "EF"): The automatic remote control,
valves where shown on the drawings shall be Rain Bird "E" and "EF"
{ i :Series, slow acting diaphragm type electric solenoid operated valves of
ag
sizes as indicated on the drawings. The valves shall be! solenoid actuated,
hydraulic operating valves of the globe screwed pattern type: The
solenoid shall be 24 volt, 60 cycle operation with rdnning -power of 2
watts. The solenoid shall be completely epoxy encapsulated for positive
waterproofing and a stainless steel shunt band: The valve, shall.be slow
opening and closing by means of potential fluid resistor to avoid damage
of surge pressure..Opening and closing speed shall Inot be .less than 5
seconds. The valves shall normally be closed, I ;
The valve body and bonnet shall be constructed of heavy 'cast bronze..with
—� accurately machined valve seat surfaces, internal pars and -female pipe
thread connections. The inlet 'port to the diaphragm chamber shall have
removable screen for easy cleaning and shall be accessible. without
removing bonnet'f in the valve body. The outlet port,from the
diaphragm chamber shall discharge -into the downstream side of the valve. ,
The solenoud'plunger shall be spring loaded so that! valve may be operated
when installed in any position and shall be constructed, of stainless steel -
with wear resistant neoprene seat and exclusive grit -filter protection
against. solenoid plunger "hang-up." The diaphragm shall be of durable
13C-5 I j
{

nylon or a bleed screw for manual operation of valve at any time. Valve
bonnet shall be secured to the valve body by the corrosion resistant
stainless steel bolts.
The automatic remote control valves shall be manufactured and supplied
by Rain Bird AGRI-PRODUCTS CO. Glenora, California, or equal. .
13C.9 COMBINATION AIR RELEASE/VACUUM VALVE shall be
3-inch APCO Combination Air Release Valve, Class 250 psi, Model
152/200A or approved equal. Install in standard manhole as shown on the
plans with crushed stone bottom for drainage.
13C.10 SHOP DRAWINGS: Complete shop drawings for all components
of the sprinkler system shall be submitted to the Engineer at least two
weeks before need for installation. No work shall begin without prior
approval of the shop drawings by the Engineer.
13C.I I START-UP: The Contractor shall furnish an equipment
representative to perform start-up on the completed installation. The
Contractor shall furnish all equipment and manufacturer supervision
necessary to make necessary adjustments on the sprinkler system to
perform as intended by the plans and specifications:
I
13C.12 WARRANTEE: The contractor shall warrantee the completed
installation for a one-year period after acceptance of the installation by the
Owner.
13C.13 PAYMENT: No separate payment shall be,made for the work
under this section of the specifications, but shall be included in the total
bid for the Wastewater Treatment Facility as shown in the proposal.
END OF SECTION
13C-6

SECTION 13D
AERATION EQUIPMENT
13D.10 SCOPE: The work in this section consists of furnishing and installing five (5)
concrete aeration tanks, and air diffusers, air headers, blowers and
motors with mount, valves and fittings, as shown on sheet 4, and as
described below.
- 13D.20 EXISTING AERATION FACILITY: The existing facility is a 20,000 gal/day
extended aeration unit with concrete tanks. It is a dual unit facility,
and has two (2) 5,000 gallon settling tanks. One of these settling tanks
will serve the new aeration unit.
13D.30 DESCRIPTION OF NEW AERATION UNIT:
A. Concrete tanks shall be equal to tanks manufactured, by Stay -Right
Precast, Inc., Raleigh, N.C. Tanks shall be constructed with pre -formed
Holes for piping as shown on plan sheet 4.
B. Aeration Equipment: Aeration diffusers shall be installed in the
Aeration tanks as shown by the following pages (8 '/Z"x 11") by Wilfley
Weber, Inc., Denver, CO.
i
Page No. Description
1 of 1 Diffuser Tank Layout
1 of 2 Typical Diffuser Elev.
2 of 2 Diffuser Side & Bottom Views
i 1 of 1 Diffuser Calculation Sheet
C. AERATION PIPING: Shall be sized as shown on plan sheet 4 and the
data Shown on the pages above.
D Blowers & Motors: Blowers (2 ea) shall be Sutorbilt Model 3LP, 5HP
Delivering 225 SCPM @ 4.6 PSIG or approved equal. Blower package
"shall include motor inlet filter, with silencer, discharge silencer,
motoriblower base with motor rails, V-belt drive with belt guard, pressure
relief valve, check valve with EPDM seal and pressure gauge. Motors
shall be 230 At, 3-phase, 60 cycle.
E. CONTROL PANEL: Shall be furnished by the aeration equipment
manufacturer and shall include all starters, breakers, spare circuits and
other features to operate the (2) blowers, one at stand-by. Panel shall be
weatherproof and shall meet all state and local electrical code
requirements.
13D.40 START-UP AND OPERATORS MANUAL: Upon completion of the aeration
unit, the equipment representative with the contractor, and the

i
owner's service representative shall start-up the unit to,determine if any
operational problems exist. Spare parts and service lubricants shall be
given to the owner at start-up. Two sets of an Operator's Manual
containing all shop; drawings of the aeration equipment' and a
recommended equipment servicing schedule shall lire delivered to the
J
engineer for review and forwarding to the owners.
13D.50 WARRANTIES: The contractor and the equipment manufacturer shall provide
a 12 month warranty,for the entire completed aeration facility to begin on,
final acceptance of the entire facility by the engineer and the owner.
3
i
i
E
I
. f -
END of SECTION 13D: a ,
i
'

Feb-25-00 10:26A W;lfley Weber,
[phone]
P.02
8'-6�
24" COARSE BUBBLE
DIFFUSER (TYP.)
NOTES:
1. TYPICAL FOR 4 TANKS
2. 4-24" LONG SS COARSE BUBBLE DIFFUSERS, MODEL NO. CBS-24 304L
3. AIR FOR TANK = 56.2 SCFM
4. AIR PER DIFFUSER = 14.05 SCFM
WWILFLEY WEBER DWN: IS 2/24/00
w INCORPORATED CHKD: /
BAYTREE LAKES WWTP
P.O. BOX 2330 APdD: / �� HARRLES, NC.
DENVER, CO. 80201
�303 770-2664
303 889-7305 FAX SCALE: 1/2" = 1'-0•'
11 12'-4"
DRAWING NO.
D831769
SHT. 1
OF 1
REV, 0

304L SS SCH 80 CAST DUPLEX
DIFFUSER CONNECTOR
2'O FULL PENETRATION WELD TO
INVERT OF AIRPIPE
3/4" SCH 80 FPT DIFFUSER CONNECTOR
c" x P" x 1/8°
ANGLE SUPPORT
WELDED TO BASE PLATE
0 oT o 0 0
DIFFUSER HEADER SUPPORT
STAINLESS STEEL
LATERAL ADJ=1 112'
VERT, ADJ= ± 1 1/2' "
3/8" 0 U-BOLT, COMPLETE
WITH 2 SERRATED FLANGE
NUTS PER 'U'�BOLT,
TYPICAL 24" COARSE
BUBBLE DIFFUSER
_----T 3/4" MPT CONNECTION
o a a o 0 0
4" x 3' x 1/4' fL 12'
BASE PLATE, 304L TYP.
w/2 - 3/8" SS ANCHOR STUDS
TYPICAL DIFFUSER ELEV,
o'. y0
mh x
uJ o 4
xa
N
Wo cnPm
n
W V NQoa`
rlrl
cl:Q�My
DRAWING NO,
SHT. j
nF Z Q
,

DOTES:
HOLE PATTERN MIRROR
IMAGE ON OPPOSITE SIDE
MnnEL CBS-24 COARSE BUBBLE DIFFUSER DETAIL ���
STAINLESS STEEL
SCALE: 1" = 4" o
24" W
a
.188 0 THRU
6 REO'D TOP ROW 1•.
3/4" MPT 3 1/2"
SCH 80 38 0 THRU Z � N ,; .e
INLET 1 1 REO'D TOP ROW 1 1/4"
5 REO' D' BOT. ROW
- _3/8" --
- -+ a_
- 6 0
3/8"-OPEN 1"
2"
2" SIDE VIEW
BOTTOM DEFLECTOR 2"
SAME MAT'L AS BODY
v
law 4 .
L�GHT-'
.75 0 THRU BOTTOM-VIEW��^END M;T,
NO ORIFACE STAMPAOUT �.rINSAME MAT'L >Mm
oo
AS BODYa�CAST INLET END o.SEE DWG'. D150147
INLETEND MAT'L:` �304L SS BLANK END 20.GA. (SHT. MAT'L) Z

Feb-25-00 10i27A Wilfley Weber -.,(303),, 889 7305. P.03
P.O. Boz'2330
-
Wilfley Weber, Inc, i Ph: (303) -770-2664
Denver, CO 80201 , ,
i Fax:. [phone]
Job Name:
Baytree Lykes WWTF
Job Number.
W3556
_
Date.'
02/25/00
Tank tinformation..
Number of Tanks:
4
Tank Description:
Coarse Bubble
Tank Length:
12.3333 ft
.'.Tank Width:
• 8.5
Side Water Depth:
9.5 .fit
Floor Area Available for Diffusers:
105 ftZ '
Task Volume:
891 ft3 '
Wastewater CbRowledgkL,
Influent Flow:
0.02 MGD
BODS Influent:
' 210 mill NH3 Influent: 15 mg/l
lbs. of Oxygen/lb. of BODs:
_
1.1 lbs.'.of Oxygen/lb' of NH3: 4.57
r ,
..Actiml Oxygen
_ Reqmired-
AOR = Flow
i
(gal/day) x 8.34 (lbs H20igal) x BODS x 1.1 lbs OZ/lb BODS
+ Flow
(gal/day) x 8.34 (lbs H20/gal) x NHS x 4.57 lbs 0211b NH3
AOR =
50.0 •lbs oxygen ! day
ROxygen Transfer FfficitlKvr;
S.O.T.E. =
6.99% S.O.T.E.'/ ft. Submergence = 0.90%
D.O.:min "(mgAiter) =
2 a = 0.70
{Temp. of wastewater) CQ _
e
20 0.95 f
- Cam;,, (Oxygen solubility at T,,,,,,) (mgfl) =
9.092 . E) = 1.024
C20 {Oxygen solubility at 200C) (mg/l) =
9.092
Elevation (feet above sea level) _
100 fl (Elev..Correction Factdr)= 0.997
AAT.E. =
a * S:O.T.E. * p(T-20) * (Cra,,,
r
C20
_. A.O.T.E. =
3.55% i
Airflaw R4q�_
Air'Required =
A R_ x 1 d& x 1' 16. air x 13,34 ft'
AOTE 1440 min 232 lb. 02 ! 1 lb air
' Air Required =
56..2 S&M i
Mixing Energy =
Air Required / Tank Volume
Mixing Energy. =
63.05 SCFM / KCF i
• Diffuser Model:
jj
CBS-24,304E 1 '
Number of Diffusers =
4. Air per Diffuser: 14.05 SCFM
Diffuser Spacing = .
-Floor Area / Number of Diffusers i
WNW Spacing
26.21 ft2/diffuser 5.12 ft on center'
- Baytree lakes calcs.xls
1 '

`
SECTION 13E .
—;
BLOWER CONTROL PANEL
1 1
- I
PART 1- GENERAL
1.01
SCOPE OF WORK
Furnish all labor, materials, equipment, drawings;, and incidentals
required to
provide complete and functionally acceptable Blower Control Panel.
1.02
Each Control Panel shall contain combination motor starters, control transformer,
'
operating, controls, and other controls and accessories as specified herein.
1.03
Blower Control Panels shall- be furnished complete by one '(1) vendor who shall
have unit responsibility for the entire, control package. 'Control vendor shall
coordinate control work with blower manufacturer/supplier. The Blower Control
Panels shall be furnished by the blower. manufacturer/supplier.
1.04
- Blower Control Panels shall be Underwriters Laboratories UL508A approved and '
all components shall be NEMA rated. The control panel shall be assembled by a
UL approved shop and labeled. to'that effect..
1.05
'All electrical work shall be in accordance with the -National Electrical Code
•
(NEC), latest revision.
1.06
Power supply shall be:230 volts, 60 Hz. Control.. voltage shall be 120 volts
supplied by a transformer(s) in the control panel:.
- PART 2 - MANUALS AND SUBMITTAL DATA I '
2.01
The Blower Control Panel manufacturer shall furnish six (6) copies of submittal
data and instruction manuals in bound booklet form, complete with a table of
j
contents.
At.minimum, the following information.shall be included:
'a. Complete description of starters, breakers, switches,
transformers and all "
other components
b. Horsepower, voltage and full load amperes of each motor served
c. Control panel layout and specifications with h complete physical layout and
general description I
d:.. Complete power and control.wiring diagrams in a cordance with JIC
standards
{
03/29/00 328 PM A:1Revere Blower Control Panel Spec.doc page,11

PART 3 - MATERIALS
One complete Blower Control Panel shall be furnished for the project. One (1)
duplex control panel for two (2) 7-1/2hp, 230 VAC, 3-phase blowers shall be
provided. The manufacturer of the control panels shall be regularly engaged
in fabrication, electrical engineering and design. The Blower Control shall be
manufactured by Revere Control Systems, Inc. Birmingham; Alabama [phone].
The Blower Control shall. consist of the following principal 'items:
3.01 ENCLOSURE
Enclosures shall be weatherproof, NEMA 4X 304SS with stainless steel hinge pin
and quick release door clamps. The contractor is to provide mounting and installation
of the control panels
3.02 WIRING
A. All wiring shall have not less than 600 volts insulation. Control wiring shall be
color coded. All job connections required to field control components shall be made
at approved type terminal blocks with engraved bakelite marker strips or similarly
approved means.
B. All wires shall be marked at both ends using self -adhering plastic wire markers with
heat shrink or clear self- laminating strips.
3.03 IDENTIFICATION
A. Nameplates shall be of a phenolic type with white surface and black 1/8 inch letter
engraving.
B. Panel identification nameplates to have 1/4-inch high letter engravings.
C. Panel -mounted component identification (i.e. control devices, indicating lights,
selector switches, etc.) labels to have 1/8-inch letters.
1 � u s I� : N-VMMIII
A molded case thermal magnetic main circuit breaker shall be provided for each
enclosure. The circuit breaker shall be externally operable and shall provide clear
identification of its position. The main circuit breaker shall have a minimum ampere
interrupting capacity of symmetrical RMS amps at 230 VAC. The control
panel door shall be interlocked with the main circuit breaker to protect operating
personnel from powered equipment.
03/29/00 3:28 PM A:\Revere Blower Control Panel Spec.doc page 2

105 MOTOR BRANCH CIRCUIT PROTECTION AND MOTOR STARTERS.
A. circuit breaker and motor starter combination.shall be supplied for each motor...
The starters shall be NEMA rated, full voltage, across -the -line type. Each starter
shall be provided with necessary auxiliary contacts for properpperation. Provide
ambient compensated overload relays. Provide motor circuit protectors (MCP) for
eachmotor. Motor starters and circuit breaker are to be Ctitier-Hammer, Allen-
Bradley, or Square D.
3.06, LIGHTNING.AkRESTOR
nA, lightning arrestor" shall be supplied. and connected, to each line of the incoming
power. Lightning arrestors shall protect against damage d6e to lightning strikes on
the incoming power line.
108 'CONTROL RELAYS AND TIMERS
Control relays,shall be plug-in enclosed polycarbonate type. Coil Winding shall be
polyurethan6 insulated with insulation resistance of 100 mllegohmsminimum.
Dielectric strength shall be 1500 volts RMS and temperatdre Tange'of -50 degrees C
to +65 degrees C. Mechanical life expectancy shall be in excess 'of 20 million
operations.
.3.09 PILOT -DEVICES
Pilot device ratings shall meet or exceed the NEMA rating of the shall be Blower
Control Panel enclosure, Pilot devices shall- be heavy duty, oiltight, 30mm
Oomponents, as manufactured by Cutler -Hammer, Allen Bradley, or Square D.
3.10 (notused)
03,W/00 3-32 PM A.\Reve're, Blower. Control, Panel 'Aoc S'ePa 3
0. page,

i
' l
3.11 .TRANSFORMER
The transformer shall be mounted in the control enclosuie to convert the 230 line
voltage to 120 for the control circuit. The transformer sliall be rated the necessary
.KVA. The primary and secondary shall be protected from overloads by control .
circuit breakers or fuses of the proper rating. Provide a spare set of fuses (two
minimum) of each type and rating.
3.12 RUN TIME METERS
Provide an elapsed run time meter for each blower. Run time meters shall be six
digit, non -reset type.
PART 4 OPERATION
The blowers are controlled manually via the "START" and "STOP" Pushbuttons
located on the front of the Blower Control Panel. Provide green "RUNNING" and
red "STOP" pilot lights for each blower. Pilot lights shall be'transformer push -to -
test type. a
PART 5 START-UP
The contractor shall furnish the services of a service engineer for checking the
installation, making the necessary adjustments; placing the equipment in operation
and during acceptance tests. The representatives shall be available for no less than
one (1:) 8-hour day scheduled with the owner to instruct!Pperating personnel in the
use, operation and maintenance of the equipment during the initial operating
.period. All components and equipment shall be installed in accordance with the
recommendations of the manufacturer.
J
03/29/00 3:31 PM A:\Revere Blower Control Panel Spec.doc
i.
page 4

Section 131
Vertical Turbine Pumps & Pumping Station
13F.1 GENERAL: s
This section consists of furnishing two vertical turbine pumps with control valves, piping
and equipment and the construction of the pumping station as shown on plan sheet no. 5.
13F.2 Conditions
Design Capacity: 108 USGPM
Total Head: 176.2 feet @7.5 HP
Maximum RPM: 3500
Minimum acceptable bowl efficiency: 7%
Unless otherwise stated herein, the pump shall in all respects conform to the American
- National Standard ANSI/WWA-E101 for "Vertical Turbine Pumps, Line Shaft Type", and
shall comply with all, local and state sanitary and safety regulations.
- 13F.3 DISCHARGE HEAD: r
The discharge head shall be of close grain. Cast iron, ASTM A418 Class 30, free of sand
holes and other defects, accurately machined and with a surface discharge. Discharge
flange.shall be machined and drilled to ANSI standards for 125#-,or 2509 rating and shall
be 4 inches, nominal inside diameter. The top of the discharge head shall have a rabbet
fit to accurately locate the vertical hollow shaft driver, -and, have a diameter equal to
driver base diameter (BD) and less than 16:5 inches. Head shall .be in all respects equal
to Floway type VF 4"x12'. '
The standard cast iron stuffing box shall be rated for 150# discharge: pressure and shall be
fitted with graphite acrylic packing and have either a lantern ring or grease chamber
below the first packing ring. Throttle bearing shall be of high lead bronze ASTM B505
alloy C84400. The packing gland shall be of bronze ASTM 13584 alloy C83800 with
stainless steel bolting and with brass or stainless steel adjusting nuts: Sealing between
the stuffing box and the discharge head shall be accomplished by means of an "O" ring.
A solenoid prelube valve.shall be supplied for 230 volts 60 Hertz and the motor starter
shall be fitted with a time delay relay. '
The top line, shaft (head shaft) shall be ASTM A582 Grand 416 stainless steel and shall
not exceed 10 feet in length. Impeller adjustments shall be provided of the top of the
head shaft by means of a bronze adjusting nut of ASTM B584 alloy C83800 which shall
be positively locked in position.
13FA WATER LEVEL INDICATOR ASSEMBLY:
13-F 1

An airline of 1/4" galvanized steel pipe shall be furnished to extend from the surface to
the top of the bowl assembly as shown on sheet 5. With it .shall be furnished a direct
reading (in feet) depth gauge of 4 1/2" diameter, hand pump and'i fittings.
13F.5 COLUMN ASSEMBLY:
The line shaft shall be of carbon steel ASTM A108 grade C1045; turned and ground.
They shall be furnished in interchangeable sections not over ten (10) feet in length.
t
The butting faces shall be machined square to the axis of the shaft, with maximum
permissible axial misalignment of the thread axis with the -shaft axis, 0.002" in 6": The
size of the shaft shall be no less than that determined by ANSI/AWWA-E101
Specifications, Section 5-5 for C1045 line shaft and shall be such that elongation due to
'hydraulic thrust will not exceed the axial clearance of the impellers in'the pump bowls.
Maximum runout in 10" shall not exceed .005".
The line shafts shaltbe provided with ASTM A296 grade 304 stainless steel sleeves at
the location of each line shaft bearing. The line shaft shall of 70: maximum shore
+ hardness, neoprene, snap -in -type. Internally spiral grooved to flush out sand and other
abrasives, mounted in ductile iron A536 OR 60-40-18 bearing retainers held in position
in the column coupling by means of the butted ends of the column pipe. Bearing spacing
shall not exceed 10' or 1800 RPM or 5' for 3600 RPM. a .
t The outer column pipe shall be of ASTM A53 grade B steel pipe or ASTM A120 in
interchangeable sections not over„ 10' in length for 1800 RPM and 5' length for 3600
RPM with the ends of each section faced parallel and machined with 8 straight threads
per inch permitting the ends to butt and insuring alignment when connected by standard
mill steel couplings. The weight of the column pipe shall be no less' than that stated in
ANSI Specification E 101, Section 5.1 "Standard Specifications;�for Discharge Clumn
Pipe." The column size shall be no such that friction loss will not exceed 5' per 100',
based on the rated capacity of the pump. If possible, the column size shall also be such
as to provide a velocity of not less than 5' per'second at the rated capacity.
Top and bottom sections of column pipe for product lubricated pumps shall not exceed 5'
in,length. ;
13F.6 PUMP BOWL ASSEMBLY:
The pump bowl assembly shall be Floway Pump type for enclosed impeller.
The pump bowls shall be of close grain, cst iron ASTM A48 Class 30. The water
passages in bowl sizes 4" through 20" shall be lined with porcelain, enamel and larger
13-F 2

I i
sizes shall be Heresite or fusion epoxy, -lined to reduce friction losses, shall be free of
blow holes, sand holes and other detrimental defects, and shall be accurately machined
and fitted. The impellers shall be of bronze ASTM B584 alloy C83800, enclosed and
statically balanced. Sixes 18" and greater shall also be dynamically ;balanced.. Impellers
through 22" shall be securely fastened to the shaft with taper bushings of steel, larger
sizes shall be double -keyed. Impellers shall, be adjusted vertically by an external means.
The pump shaft shall be of A582 grade 416 stainless steel, turned, ground and polished.
It shall be supported by bronze bearings of ASTM B505 alloy C84400 above and below
each impeller. The Suction case bearings shall be grease lubricated and protected by a
bronze sand collar of ASTM B584 C83800. the "size of the shaf0shall be no less than that
determined by ANSI/AWWA Specifications E101,-Section A433?paragraph 4.3.3.
The discharge case shall be threaded on the outside for column sizes of up to 14.inches
and fitted with a cast iron ASTM A48 Class 30 column adapter of the proper size to
connect to the column O.D. and fitted with a cast iron steel suction adapter. .
13f.7 SUCITON PIPE AND STRAINER:
A galvanized cone strainer shall be provided having a net inlet equal to at least four times
the suction pipe area. The maximum opening size shall not be more than 75% of the
maximum opening 'of the water passage throughout he bowl or impeller.
13F.8 MOTOR: r
i
The electric motor shall be vertical hollow shaft RPM, 3-phase (00) Mertz 230 volts with
non -reverse ratchet, P-base, squirrel cage.induction design. Enclosure shall meet NEMA
weather protected type 1 design with stainless steel screen to prevent entrance of rodents.
Motor shall have Class B or Class F insulation with temperature uses as specified by
NEMA standards for class insulation used and shall have a 1.15 service. factor.
Thrust bearing shall be chosen to handle the continuous down thrust as specified by the
pump manufacturer with an AFBMA B-10 one year minimum or, five year average life
under design conditions. Provision shall be made for momentary upthrust equal to
30%of the rated down thrust.
13F.9 PUMP CONTROLS AND OPERATION:
Pumps will be controlled by a clock timer mounted in the pumping station as shown on
plan sheet 5. The clock timer shall start and stop the pump delivering daily flow to the
designated section of the spray field each day according to the dpray field sequence
schedule shown on' sheet 6 of the plans.
Two float controlled magnetic solenoid switches are to be mounted in the 6'-0" intake
13F-3 r

i
structure shown on.sheet 5. One will override the pump operation if the pump is on
below "pump out -off' level. The second solenoid mounted at the alarm level on sheet 5
will turn on a red flashing light at the pumping station.
Pump controls will provide for the pump to operate on alternate days.
13F.10 PRESSURE, GAGES, CHECK AND PLUG VALVES FOR PUMPS:
Refer to Section 13B Wastewater Treatment Facility j
13F.11 AIR RELEASE
Each pump shall be equipped with an individual air release extending from pump
discharge line. A -common header will not be acceptable.', Each air release line shall be
equipped with an automatic air release valve designed to permit the ,escape of air to
atmosphere during initial or any cycle, the valve shall close to prevent recirculation.
Each air release valve shall be equipped with an individual 1.1/4; inch release line. Valve
shall be APCO approved equal. .
Air released lines shall be extended to the storage basin. s ;
Lift station discharge force main piping shall be anchored with thrust blocks
where shown on the plans.
13F.12 FACTORY TEST:
The pumps, motors, and controls shall be given an operational test which shall
substantiate the operation of the equipment at the design head, capacity, suction lift,
speed, and horsepower as herein specified.
13F.13 SPARE PARTS
There shall be furnished with the pump station spare parts and lubricants for normal
maintenance by the Operator through the warrantee.
13F.14 INSTALLATION AND OPERATING INSTRUCTIONS`
Installation of pump station and related apputenenances shall be; done in accordance with
written instructions provided by the manufacturer. These instructions shall be secured,
within the control panel.
13F.15 PRE -FABRICATED BUILDING:
.r
The building shall be steel -reinforced precast concrete construct oh�for maintenance4ree
13F-4

i
j
"I
durability -and protection from vandalism. Door shall be steel with safety hinges and be
lowered as shown on the plan.. Building shall be equal to "EASI SET" as manufactured
by Smith -Midland Midland, VA.
13F.16 INITIAL START-UP:
The services of a factory trained representative shall, be provided, as required to provide
initial start up of the'pump-station and to instruct the Owner's operating personnel in the
operation and maintenance of the equipment.
13F. I BID SUBMITTAL AND SHOP DRAWINGS: r
Each bidder shall submit manufactures literature and sizing and unit selection with his
bid or shall be subject to bid rejection. shop drawings of all equipment in complete
detail proposed for the work shall be submitted and approved by ;the Engineer prior to.
- delivery to the job.
13F.18 GUARANTEE:
The contractor'through the equipment manufacturer shall upon approval by the Engineer
and acceptance by the, Owner warrantee the completed installation to the Owner for a.
period of one year.
END OF SECTION
e
I ,
ti
ry r '

t ROBERT 'LYON$ AND ASSOCIATES
CONSULTING ENGINEERS
Water/Wastewater • Land Development • Industry
Tune 21,. 2000 RC `
NCDEM i"2 2000
Water Quality Section
Permits and Engineering Unit ..•.
Post'Off'ce Box 29535 REG. OFFICE
Raleigh, North Carolina 27626=0535
Re: Non -Discharge Application
Spray Irrigation Disposal, Systems
Wastewater Treatment Facility Expansion
Bay Tree Lakes, Bladon County, N.C. _
TRL&A Project No; 98911
Attn: -Mr. JsR. Joshi
Non -Discharge Permit'Sect on
Gentlemen: iron az , 7 =�rr itl
We are sendingto'f
} ou f ve(5) copies of the following documents:
1. Non-Dischar e,;Perniit Application lication Form with Attachment #1 and check-
g , � PP for $675.00
2. Plan sheets, nl .;to#&, dated June 16, 2000
3. Technical. Specifications, dated ,Tune 16, 2000
4. Calculation sheets; pages -l-to 17 Wastewater Treatment Facility Expansion, T."
Robert Lyons & Assoc.
5. 8 1/2"x14" Plan of Survey_. of property around Treatment Site and ,Spray Field by
Charles L. Mattis, R.L. S.. dated May -15, 2000
,I
One(1) copy is enclosed of the following documents:
1. Table I, Water Balance Det`ermiriation
2. Soil, Scientist Report, Land Management Group Inc., Wilmington N"C,.dated "
September 10, 1998
F,
3. Agronomist Report, Mr. Rick Morris- NCDA & CS Regional Agronomist dated May
2, 2000
z. Calculation sheet 4,1 for Annual Loading, T. Robert Lyons and Assoc., dated May. B,
2000 «rith Effluent�AnaIysis by Microbac Laboratories Inc., Fayetteville, N:C. dated
January 13, 2000 reported. ' ;
A separate Hydro Bolo is Report is enclosed. It.is noted that the Soil.Scientist Re
g, b P port
contains.hydrogeol'ogic data that may be sufficient for a private wastewater treatment
facility, expansion.
r
1125 East Morehead Street, Suite 210 ; -Charlotte, North Carolina 28204 Telephone [phone] Fox,704/358' 802'S

Mr. J.R. Joshi
Tage 2
Groundwater monitoring will be accomplished in accordance with the requitdments of
ctio Permanent Obser-,--ation Well and the detail on sbeet'8 of the plans titled
,
"Detail Groundwater Monitoring Well."'
if any f6ftber''inform ati on is needed for approval please advise.
Verve trul
TRL/cd
encl.
c: Mr. Steve Jones, Owner

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CHECK:
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T.'ROBERT L"YONS AND ASSOCIATES
CONSULTING ENGINEERS
CHARLOTTE, N.C.
PH 704 358-8024 FAX [phone]
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DATE: DESIGN: T. ROBERT LYONS AND ASSOCIATES SHEET 2
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CHECK: 'JOB:1 LRV.65 FOR: JOB NO. S 9 1
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DATE: DESIGN: ,.T;;"ROBERT LYONS AND ASSOCIATES SHEET
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DATE: DESIGN: T. ROBERT LYONS AND ASSOCIATES
CONSULTING ENGINEERS
11ZL CHARLOTTE, N.C.
' PH 704 358-8024 FAX [phone]
CHECK: JOB:I FOR:
TRL 9� h�'f 704'G U&, KC-S
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Feb. 18 2000 10:51AM P1-
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: P.AIN BIRD AG
Rain Bird
Rain Bird Agri -Products
633 W. Foothill Blvd..
Glendora, CA 91741
Phone: [phone]
Fax [phone] or R
TO: Bob ,.yor
CC:
DATE: - Februar)
RE Bay-Tre(
PHONE NO. : 732 748 0222
FAX
;p. Claude Cocos
District Manager
Phone / Fax: [phone]
Cell Phone: [phone]
D) 318-774$ [e-mail]
COMPANY: T. Robert Lyons & Assoc.
T FAX: �[phone]
18, 2000 PAGE 1 of
Lakes Spray field Project
Bob— -
Here is another possiblilitybased on our conversation this morning:
Sprinkler.
Rain Bird #70 with 9/321, SBN-4 nozzle and plug
Pressure: 5o psi
Spacing: - Triangular spacing with .90' between sprinkler heads and 90' between
. Lateral pipelines.
Precip. Rate: 0.1938 inches per hour
Flow Rate: 16.3o gpm per sprinkler at 50 psi will need to run 5
Run Time: - To dispose of 44,000 gallons of water in one day, you
sprinklers for roughly 9 hours.
Circle: �If you need some 4/Z circle sprinklers, use a Rain Bird #35 A TNTwith and a
Part Cl Y mat 50 p
3/161' nozzle. This will provide you with a flow of 7.2 gp
49, radius.
fr' a to� call me if you have any additional questions. .
Agate, feel e
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3500 RPM
NO. OF EFF. CHANGE
STAGES (NO. OF POINTS)
1 -4
2 -2
3 -1
I HORSEPOWER WILL BE EFFECTED
BY CHANGE INEFFICIENCY
PERFORMANCE FOR:
Bowl Pattern No.: 542010-A-RO
Impeller Pattern No.:542007-B-RO
PUMP DATA LL
Shaft Dia. (IN.) . .. . . . . 3/4 Q
Maximum Sphere (IN.) . . . 5/,s =
Maximum Head (FT.)' . . 1155
Min. Submergence (IN.)" . 7 J
Impeller Wt. (LBS.) . . . . . .9 O
Thrust Constant (K) . . . 2.2 0
Bowl O.D. (IN.) . ... . . 33/4 co
RZ)TES
Performance indicated based on
cold waterwith a specific gravity
of 1.0.
Standard construction.
Minimum submergence over lip of
bell to prevent vortexing.
Efficiency improvements are
available in certain instances.
Please contact the factory.
NO. OF
EFF. CHANGE
.STAGES
(NO. OF POINTS)
1
-4
2
-2
3
-1
HORSEPOWER W ILL BE EFFECTED
BY CHANGE INEFFICIENCY
SEMI -OPEN TYPE IMPELLER
PER STAGE PERFORMANCE
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PERFORMANCE FOR:
Bowl Pattern No.: 542104-A-RO
Imp. Pattern No.: 5421 00-A-R1 160
FJOMP DATA `L
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i Shaft Dia. (IN.) ..... .. . 1 Q
Maximum Sphere (IN.) . 3/16 W
Maximum Head (FT.)' .. 1169 = 4(
Min. Submergence (IN.)" . . 8 J
Impeller Wt. (LBS.) .. . . . 2.4 �:;
Thrust Constant (K) . . . . 2.1' b� 3(
Bowl O.D. (IN.) . 55/e co
NOTES 21
Performance indicated based on
cold waterwith a specific gravity
of 1.0.
"Standard construction.
"" Minimum submergence over lip of
bell to prevent vortexing.
Efficiency improvements are
available in certain instances.
Please contact the factory.
i 0
00 RPM
40 80 120 160
CAPACITY (USGPM)
CL
2
1.0 �
0.5 m
ENCLOSED TYPE IMPELLER 6LKM
PER STAGE PERFORMANCE
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A I ( ` 4S AVAILABLE.. CONTACT
1 ( i 55 ',THE :6 -. FACTORY.2I g .
72 4`t. @ 1081E
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72.5 72
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B = 4.000 DIA. j 62
C = 3.750 DIA.
BOWL• H _..
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CAPACITY (USGPM)
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PEABODY FLOWAY VERTICAL TURBINE DATA HANDBOOK
C'*10Vr✓ 5

Year: 1
(Column 2) Percolation:
Soils in the spray field area are
Group Inc. and some are Autoe
The Bladen County Board of F
the percolation rate here was e:
project.
Lat 341150'N
Lon 78"50' W
9 [Same year as for precipitation, col (3)]
iton/Baymeade from the soil and land study by Land Management
and Wagram soils according to the Bladen County soils survey.
i utilize the L.T.A.R. company in leiu' of percolation rate, therefore:
led by comparing the rate of the soil to a similar soil of a previous
The previous project was the Cape Carteret/West Bouge Banks Spray Irrigation System and Water
Balance prepared in March, 1976. Soil was a Kureb sand which had a permability rate of 6 to 20
inches/hours.
The soils noted above all have the same permability rate of 6 to 20 inches/hours according to the
Bladen County Soil Survey, Table �14-Physical and Chemical Properties of the soils, pages 169-172.
Therefore a minimum annual rate of 208 inches is selected as was used for the previous project.
(Column 3) Precipitation:
1999 was determine to be the "worst in a 10 year" period as measured at the William O: Hughe Lock &
Dam as stated under column (1) above.
Conclusion:
1). The maximum amount of effluent to be applied to the site is 19.8 inches occurring in July, and the
maximum amount of effluenfapplication occurred in January at 9.9. inches.
2). At the design application rate to the spray field of 2"/week or 8"/month, it does not appear that
storage beyond the minimum 30 days is required.
3). The site is relatively flat and suited for spray irrigation.
4). Cover crop will be coastal;bermuda, which is very suitable for spray irrigation.
By: �. 1 ,
T. Robert LyoroJr. E.
T. Robert Lyo sociates
Consulting Engineering
Charlotte, NC

TABLE I
e WATER BALANCE DETERMINATION
FOR SPRAY IRRIGATION SYSTEM
Z?� BAY TREELAKES, BLADEN COUNTY, NC
Water Applied
Water Losses
(1) (2) Total (3) (4) Total
EVAPO- Percolation (1) + (2) Precipitation Effluent (3) + (4)
Transpiration Applied
(in) (in) (in) (in) (in) (in)
MONTH
January 0.7 17.3 18.0 8.1 9.9 18.0
February 0.6 17.3 17.9 2.1 15.8 17.9
March 0.9 17.3 18.2 2.3 15.9 18.2
.April 2.8 17.3 20.1 4.3 15.8 20.1
May 3.7 17.3 21.0 3.3 17.7 21.0-
June 5.2 17.3 22.5 5.3 17.2 22.5
July 6.2 17.3 2 3. 5 3.7 19.8 23.5
August 6.3 17.3 23.6 4.8 18.8 23.6
September 3.8 17.3 21.1 17.7 3.4 21.1
October 2.2 17.3 19.5 7.0 12.5 19.5
November 1.5 17.3 18.8 0.5 18.3 18.8
December 0.5 17.3 17.8 1.8 16.0 17.8
Annual Totals 34.4 207.6 242.0 60.9 181.1 242.0
Notes:
(Column 1) Evapo-transpiration:
Data shown from Annual Climatological Summary by the NOAA Data Center, Asheville, N.C. on May
12, 2000. Data measured at William O. Hughe Lock & Dam, Cape Fear River, Bladen County:

FROM :-BAY TREE LAKES
WATER -
PHONE NO. 910 532 2283
0 Microbac Laboratories, Inc.
FAYETTEVILLE DIVISION .
817 CASTLE HAYNE STREET
FAYETTEVILLE, NC 28303
[phone] / [phone] (PAX)
J http://www microbac.cam
Y * MICROBIOLOGY * FOOD SAFETY * COP
t * WASTES • 111 it * PHARMAt _T?t 1 I it :A I„S *
LYSI
.0
CLIENT: Bay Tree Utiliti
es
ADDRESS: Past Office. Box j 1029' .,_. .
Clinton, NC 28328
CONTACT PERSON: Mr. Steve Jones
ACODUNT NtJM$gR: #iB026
Jan. 19 2000 01:15P19 P1
PRODUCTS
NC #11
NC #37714
USDA #3787
CERT,1288
DATE'RSC'D: 12/28/99 SAMPLED: 12/28/99
LED BY: W. Steedly
DELIVERED BY: W. Steedl.y
SAMPLE CODS: Waste Water, drab
REFERENCE:
SAMPLR ID: 1. Effluent 1 1D #99WE128914 /
111W.YSiB
CADMIUM (ppm)
CALCIUnl ppm
[COPPER (ppm) '
LEAD (ppm)
. •,,,:"IYU,GNSSIUM (mq/L)
NICKEL (mg/L)
NITRATE (mg/L)
NITRITE (mg/L)
.NITROGEN, AMMONIA (mg/L).
NITROGEN, TOTAL KJ9LDAHL
PHOSPHORUS
SODIUM (ppm)
SOLIDS, - TOTAL M.
ZINC (ppm)
DATA REVIEWED .BY'l-.
20 DATE:..AUP0RTRD:- 011f�3 00: ;
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EPA 213.1
<0.05
EPA 200.7
4.98
SPA 220.1
<0.05
EPA 239.1
<0.1
EPA 242.1
1.48
EPA 249.1
<0.06
EPA 353.3
2.48
_... EPA 353.3 -
4.Q.*.1,.:�......
EPA 350.2
<0.14
(mg/L) RPA 351.2
2.38
SPA 365.2
0.634
EPA 273.1
17.6
-SM3940G
0.01254'
EPA 280.1
<0.05
CMAMETS.: < - Less-