WQ0029169_Additional Information Received_20200923

::WithersRavenel
Our People. Your Success.
MEMORANDUM
To: NCDEQ - Division of Water Resources - Water Quality Permitting - Non -Discharge
Permitting Unit
Attn: Erick Saunders, Engineer
CC: Town of Mount Olive, NC and Washington Regional Office - Water Quality Regional
Operations Section
From: J. Clark Maness, PE, WithersRavenel
Date: 9/23/2020
Project: Mount Olive WWTP Improvements - Contracts I & II
Subject: Response to Non -Discharge Major Modification Application Comments/Additional
Information Request Received 9/14/2020
Erick,
Please see our response to your comments/request for additional information for our project titled
"Mount Olive WWTP Improvements - Contract I" and "Mount Olive WWTP Improvements - Contract II"
Your original comments/requests are in black and our responses are in blue.
1. Comment/Request: "15A NCAC 02U .0401(k) requires that automatically activated irrigation
systems be connected to a rain or moisture sensor to prevent irrigation during precipitation events
or wet conditions that would cause runoff. Section VI.7. of the Reclaimed Water Non -Conjunctive
(RWNC 06-16) for the irrigation dosing system does not include a plan sheet number or specification
page number for "Equipment to prevent utilization during rain events", and this equipment is not
shown in the plans for either Contract I or Contract II. Please resubmit plans that include the location
and a detail of this equipment to meet the requirements of 15A NCAC 02U .0401(k).
Response: Please see the attached updated Contract II plan sheets 12 and 26. A note has
been added to Sheet 12 to direct the Contractor to mount a rain sensor to the side of the
proposed control panel shelter and to route all control signals from the sensor to the
proposed irrigation system programmable logic control (PLC) panel under the control panel
shelter. A detail of the rain sensor has been added to Sheet 26 as well.
Please also see the attached updated Contract II Specification Sections 25 36 20 -
Instrumentation and 11 32 00 - Irrigation and Transfer Pump System Upgrades.
Specification Section 25 36 20 - 2.06 contains the written specifications for the rain sensor
and pre -approved manufacturers. Specification Section 1132 00 fully describes all of the
upgrades to the irrigation and transfer pump systems, including a control narrative for the
PLC to be provided by the Pump Supplier. The rain sensor and PLC system will be setup to
automatically shut off the irrigation system if there is precipitation.
Please also see the attached updated Section VI.7 of RWNC 06-16. This application can be
re -signed by the Engineer and Owner if necessary.
Sincerely,
J. Clark Maness, PE
Project Manager, WithersRavenel
115 MacKenan Drive I Cary, NC 27511
t: 919.469.3340 1 f: 919.467.6008 1 www.withersravenel.com I License No. C-0832
Asheville I Cary I Greensboro I Pittsboro I Raleigh I Southern Pines I Wilmington

VI. DESIGN INFORMATION FOR NON -CONJUNCTIVE IRRIGATION SYSTEMS
1. Will reclaimed water be used for irrigation? ® Yes or ❑ No
✓ If no, then skip the remaining items in Section VI., and proceed to Section VII.
2. The irrigation system is: ❑ existing ® proposed
3. The irrigation system is: Spray
4. Does the irrigation area contain any subsurface drainage structures? ❑ Yes or ® No
✓ If yes, where does the drainage system discharge?
5. Provide the minimum depth to the seasonal high water table within the irrigation area: 2.0 ft
NOTE: The vertical separation between the seasonal high water table and the ground surface shall be at least one foot.
6. Provide the equipment information below for spray and/or drip systems:
Plan Sheet
Specification
Spray Utilization Design Element
Number
Page Number
Wetted diameter of nozzles
250/216 ft
Contract I -
Contract I -
8
332660 pg 7
Wetted area of nozzles
49,087/36,644 ft2
Contract I -
Contract I -
8
332660 pg 7
Nozzle capacity
129/64 gpm
Contract I -
Contract I -
8
332660 pg 7
Nelson / Big Gun 100 Ring Nozzle
Contract I -
Contract I -
Nozzle manufacturer / model
and 100 Taper Bore Nozzle
8
332660 pg 7
Drip Utilization Design Element
Plan Sheet
Number
Specification
Page Number
Wetted area of emitters
-- ft2
--
--
Distance between laterals
-- ft
--
--
Distance between emitters
-- ft
--
--
Emitter capacity
-- gpm
--
--
Emitter manufacturer / model
-- / --
--
--
7. If applicable, provide the location of each design element in the specifications and engineering plans for irrigation dosing
systems:
Utilization Pump Tank
Plan Sheet
Specification
Number
Page Number
Internal dimensions (L x W x H or 9 x H)
-- ft
-- ft
-- ft
--
--
Total volume
-- ft3 -- gallons
--
--
Dosing volume
-- ft3 -- gallons
--
--
Audible & visual alarms
--
--
Equipment to prevent utilization during rain events
Contract II -
Contract II -
12 and 26
25 36 20 pg 6
FORM: RWNC 06-16 Page 5 of 9

DocuSign Envelope ID: 8E64700E-65C3-42FB-B8ED-C6B09EFD14E6
\ \ \ \ EXISTING 12" PVC FORCE MAIN
\ \ \ \ \ \ TO IRRIGATION FIELDS
\ \
\ \ \ \ EXISTING 12" PVC RETURN \ \ \
\ \ \ \ LINE FROM IRRIGATION \ \
LAGOON \ \
EXISTING 12" PVC FORCE MAIN TO \ \ \ \ \ \ \ \ \
UPSET & IRRIGATION LAGOONS \ \ \ \ \ \ \ \ \ \ \
\ \ EX. IRRIGATION &
\ \ \ \ \ \ \ TRANSFER PUMP STATION
\ \ \ \ \ \ EXISTING 12" BUTTERFLY
\ \
\ \ VALVE WITH ELECTRIC
\ \ \ \ \ \ \MODULATING OPERATOR
MOUNT RAIN SENSOR/IRRIGATION SYSTEM SHUTOFF \ \ II II
CONTROLLER TO SIDE OF CONTROL PANEL SHELTER. \ _ _ _ _
ROUTE ALL CONTROL SIGNALS TO IRRIGATION/TRANSFER \ \ \ \
SYSTEM PLC PANEL. SEE SPECIFICATIONS FOR DETAILS \
ON SENSOR.
NOTES:
1. ALL NEW FORCE MAIN SHALL BE RESTRAINED JOINT DUCTILE IRON PIPE AND FITTINGS.
REMOVE AND REPLACE EXISTING CONTROL
PANELS, SHELTER, AND CONCRETE PAD
AND REPLACE WITH NEW CONTROL PANEL
SHELTER, PANELS, AND CONCRETE PAD.
SEE ELECTRICAL SHEETS FOR DETAIL
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EX. WOOD BUILDING TO
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EX. IRRIGATION PUMPS TO BE
REMOVED AND REPLACED
SEE SHEET 13 AND 14
40'-0"
EXISTING 18" BUTTERFLY VALVE WITF
-- = _&7j(
- - —
— —
ELECTRIC MODULATING OPERATOR
a
REMOVE EXISTING 90' BEND
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IEX. TRANSFER PUMPS,
CHECK VALVES, AND
ISOLATION VALVES
TO BE MOVED TO NEW
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TRANSFER PUMP
EX. 48"x36" ACCESS
STATION
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PROPOSED 18" BUTTER[
— — — — — — — —
—
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----
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SAWCUT AND REMOVE EX.
CONCRETE SLAB AS REQ'D
FOR CONSTRUCTION
EX. MCCEF
SEE ELECTRICAL SHEETS FOR DETAIL
REMOVE EXISTING 900 VERT.
BEND BELOW GRADE AND
INSTALL 12" 450 HORIZ. BEND
PUMP STATION PLAN
SCALE: 1 /4"=V-0"
No
12" RJ
BEND, T
7'-6"
EX. 6' INSIDE DI,
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MAINTAIN 12"" MIN VERT. CLEARANCE
AT PIPE CROSSINGS
34'-6"
PROPOSED 12" DIP FORCE MAIN TO
UPSET & IRRIGATION LAGOONS
3' MIN. COVER, TYP.
12" RJ 900 BEND, TYP.
,SED TRANSFER PUMP STATION
IEET 15
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FINAL DRAWING
FOR REVIEW PURPOSES ONLY
NOT RELEASED FOR CONSTRUCTION
Revision
Designer
JCM
Scale
AS NOTED
Drawn By
Date
PAP
AUGUST 2020
Checked By
Job No.
JCM & MCW
02181005.02
MOUNT OLIVE WWTP IMPROVEMENTS
CONTRACT II
TOWN OF MOUNT OLIVE WAYNE COUNTY NORTH CAROLINA
TRANSFER PUMP STATION
PARTIAL SITE PLAN
WithersRavenel
I/ Engineers I Planners I Surveyors
115 MacKenan Drive I Cary, NC 275111 t: 919.469.3340 1 license #: C-0832 I www.withersravenel.com
Sheet No.
12

DocuSign Envelope ID: 8E64700E-65C3-42FB-B8ED-C6BO9EFD14E6
ELECTRICAL SPECIFICATION
ELECTRICAL SYMBOL SCHEDULE
EX. SQUARE D MODEL 6 "MCCINF"
72"
1. DESCRIPTION OF WORK:
A. THE WORK COVERED BY THIS SPECIFICATION CONSISTS OF FURNISHING ALL LABOR EQUIPMENT SUPPLIES AND MATERIALS, AND PERFORMING ALL
OPERATIONS INCLUDING TRENCHING, BACKFILLING, CUTTING, CHANNELING, CHASING, AND PATCHING NECESSARY FOR THE INSTALLATION OF THE
ELECTRICAL WORK IN ACCORDANCE WITH APPLICABLE CODES. THE DRAWINGS ARE DIAGRAMMATIC AND ARE NOT INTENDED TO SHOW EACH AND EVERY
CONDUCTOR, FITTING, DEVICE, CONDUIT OR A COMPLETE DETAIL OF ALL THE WORK TO BE PERFORMED, BUT ARE FOR THE PURPOSE OF ILLUSTRATING THE
TYPE SYSTEM AND SPECIAL CONDITIONS NECESSARY FOR THE EXPERIENCED ELECTRICIAN TO TAKE OFF HIS MATERIAL AND LAY OUT HIS WORK. THE
CONTRACTOR SHALL BE RESPONSIBLE FOR MAKING SUCH MEASUREMENTS AS MAY BE NECESSARY AT THE PROJECT AND ADAPTING HIS WORK TO THE
PROJECT CONDITIONS. DRAWINGS SHALL NOT BE SCALED.
2. APPLICABLE STANDARDS:
A. UNDERWRITERS' LABORATORIES, INC. (UL) NATIONAL FIRE PROTECTION ASSOCIATION (NFPA) NATIONAL ELECTRICAL CODE, NFPA STANDARD NO. 70 (NEC)
NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION STANDARDS (NEMA) NORTH CAROLINA STATE BUILDING CODE THE REFERENCES TO THESE
STANDARDS AND CODES DO NOT IMPLY ACCEPTANCE OF ANY AND ALL PRODUCTS DESCRIBED IN THE STANDARDS AND SPECIFICATIONS. AN ELECTRICAL
INSPECTION CERTIFICATE SHALL BE ISSUED BY THE INSPECTION AUTHORITY HAVING JURISDICTION BEFORE WORK IS TO BE APPROVED FOR FINAL PAYMENT.
3. SHOP DRAWINGS:
A. SHOP DRAWINGS SHALL BE SUBMITTED CONFORMING TO THE REQUIREMENTS STATED IN SECTION 1-GENERAL REQUIREMENTS AND SUPPLEMENTARY
GENERAL CONDITIONS FOR: CONDUIT WIRE.
4. IDENTIFICATION OF EQUIPMENT:
A. PROVIDE NAMEPLATES FOR THE PULL BOX. NAMEPLATES SHALL BE 1/8 INCH THICK PHENOLIC MATERIAL WITH EDGES BEVELED 45 DEGREES, MACHINE
ENGRAVED TO EXPOSE CONTRASTING INNER CORE COLOR RED LETTERS ON WHITE BACKGROUND.
5. GUARANTEE:
A. THE ELECTRICAL WORK SHALL BE GUARANTEED FOR A PERIOD OF ONE YEAR FROM THE DATE OF ACCEPTANCE.
6. SITE INSPECTION:
A. THE ELECTRICAL CONTRACTOR INTENDING TO DO THE WORK SHALL VISIT THE SITE AND FAMILIARIZE HIMSELF WITH THE CONDITION OF THE JOB SITE.
7. RECORD DRAWINGS:
A. THE CONTRACTOR SHALL PROVIDE ONE SET OF MARKED PLANS TO THE ENGINEER FOR PREPARATION OF RECORD DRAWINGS.
8. CONCRETE WORK:
A. CONCRETE WORK FOR ELECTRICAL EQUIPMENT FOUNDATIONS SHALL BE PROVIDED UNDER THIS CONTRACT IN CONFORMANCE WITH THE APPROPRIATE
SECTION OF THE GENERAL CONSTRUCTION SPECIFICATIONS.
9. METAL FABRICATIONS:
A. SUPPORTS AND METAL ASSEMBLIES NECESSARY FOR THE INSTALLATION FOR ELECTRICAL SYSTEMS SHALL BE PROVIDED BY THIS CONTRACTOR. METAL
EXPOSED TO WEATHER SHALL BE STAINLESS STEEL.
10. EXCAVATION AND BACKFILL:
A. EXCAVATION AND BACKFILL FOR RACEWAY TRENCHES SHALL BE PERFORMED BY THIS CONTRACTOR, AND SHALL COMPLY WITH THE REQUIREMENTS OF THE
GENERAL CONSTRUCTION SPECIFICATIONS.
11. MATERIALS:
A. ALL METALS USED IN THIS WORK SHALL BE NEW AND LISTED BY THE UNDERWRITERS' LABORATORIES.
12. COORDINATION:
A. THE CONTRACTOR SHALL BE RESPONSIBLE FOR HIS WORK FITTING IN PLACE WITHOUT CONFLICT WITH THE OTHER TRADES. WHERE PROPER PLANING COULD
AVOID INTERFERENCE. COORDINATE WITH ALL OTHER CONTRACTORS TO ASSURE THE ELECTRICAL EQUIPMENT TO BE INSTALLED FITS IN THE INTENDED
AREA.
13. CUTTING AND PATCHING:
A. THIS CONTRACTOR SHALL DO ALL CUTTING AND PATCHING NECESSARY FOR THE PROPER INSTALLATION OF THIS WORK AND SHALL REPAIR ANY DAMAGE
DONE BY HIMSELF OR HIS WORKMEN. THE PREMISES SHALL BE KEPT FREE ACCUMULATION OF WASTE MATERIALS OR RUBBISH CAUSED BY THIS
CONTRACTOR.
14. TESTS:
A. ALL WIRING SHALL BE INSTALLED FREE FROM SHORT CIRCUITS AND FROM GROUNDS. INSULATION TESTS SHALL BE MADE USING A 500 VOLT MEGGER WITH
THE FOLLOWING RESISTANCE READINGS:
CONDUCTOR SIZE RESISTANCE (OHMS)
14 AND 12 1,000,000
10 AND 8 250,000
6,4 AND 3 100,000
2, 1, 1/0, 2/0, 3/0, 4/0, 250KCMIL, 300KCMIL, 25,000
350KCMIL, 400KCMIL, AND 500KCMIL
600KCMIL, 700KCMIL, AND 750KCMIL 12,000
B. PERFORM TESTS BETWEEN CONDUCTOR AND BETWEEN GROUND, SUBMIT THE TEST RESULTS PRIOR TO FINAL INSPECTION.
15. INTERRUPTION OF ELECTRICAL UTILITIES:
A. NECESSARY SHUTDOWN OF THE OWNER'S ELECTRICAL SERVICE SHALL BE CLEARED WITH THE OWNER AT LEAST 24 HOURS IN ADVANCE. PROVIDE
NECESSARY TEMPORARY WIRING TO KEEP WASTEWATER TREATMENT PLANT EQUIPMENT OPERATING DURING THE POWER OUTAGE.
CONDUIT CONCEALED BELOW GRADE
CONDUIT CONCEALED BELOW GRADE TO BE REMOVED
HOME RUN TO PANEL - WITH PANEL AND CIRCUIT DESIGNATION.
OR J❑
JUNCTION BOX SIZED PER N.E.C.
-
LIGHTING, POWER OR DISTRIBUTION PANELBOARD.
CONTROL PANEL
❑�
NONFUSIBLE DISCONNECT SWITCH.
FUSIBLE DISCONNECT SWITCH.
INDICATES CONNECTION TO GROUNDING ELECTRODE, CONNECTION TO BE CADWELD TYPE.
F
FUSE
C
CONDUIT
A
AMPERE
P
POLE
G
GROUND
V
VOLTS
JB
JUNCTION BOX
TYPICAL PANEL DIAGRAM
BRANCH CIRCUIT WIRE COLOR
120/208 POLE NUMBER
120/208
`
OR
OR
277/480
120/240
120/240
277/480
BROWN
BLACK 1
2
BLACK
BROWN
ORANGE
RED 3
4
RED
ORANGE
YELLOW
BLUE 5
6
BLUE
YELLOW
BROWN
BLACK 7 41
8
BLACK
BROWN
ORANGE
RED 9
10
RED
ORANGE
YELLOW
BLUE 11
12
BLUE
YELLOW
ETC.
ETC.
120/240 OR 120/208 VOLTS - WHITE
277/480 VOLTS - WHITE WITH IDENTIFIABLE COLOR STRIPE
(NOT GREEN). IF NOT AVAILABLE AT TIME
OF INSTALLATION. CLEAR USE OF GRAY
WITH ELECTRICAL INSPECTOR.
GROUND WIRE SHALL BE GREEN FOR ALL VOLTAGES.
S
SPARE PARE
SPARE
SPARE SPARE
SPARE
SPARE
PANELIPP
IPCP SLUDGE
I TRANDSFER PUMP I I I I 7I2"
SPARE I EX. SLUDGE
TRANSFER PUMP
600 A MAIN
BREAKER
SPARE
AERATOR AT NEW
BI/1TeE T ER
REMOVE EX. 50 HP
WYE DELTA
BUCKET. REPLACE
WITH ONE 60 HP
SOFT START
BUCKET AND ONE
20 HP SOFT START
BUCKET (FOR NEW
DIGESTER
AERATORS)
10 KVA 240/120V
TRANSFORMER
1211
OPIN1
CONTROL ALARM #12 N3
OFF ON STATUS H- -A H-O-A H-O-A
® 0
FM1
11
FM2
EX. MCCINF MODIFICATIONS AND NEW INFLUENT PUMP CONTROL PANEL
NOT TO SCALE
WITH BITUMINOUS PAINT 0,VVUI 12"Q1
CONCRETE
EX. MCCEF MODIFICATIONS AND NEW EFFLUENT PUMP CONTROL SHELTER
NOT TO SCALE
NEW INFLUENT
PUMP CONTROL
PANEL BY PUMP
MANUFACTURER
MOUNT RAIN SENSOR TO CONTROL
PANEL SHELTER PER ALL MFR
RECOMMENDATIONS. ROUTE
SIGNALS TO IRRIGATION PLC PANEL.
49 L
D.N. Kisley P.E.
117 MacKenan Drive
Cary, NC 27511
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FINAL DRAWING
FOR REVIEW PURPOSES ONLY
NOT RELEASED FOR CONSTRUCTION
Designer
JCM
Scale
AS NOTED
Drawn By
Date
PAP
AUGUST 2020
Checked By
Job No.
JCM & MCW
02181005.02
MOUNT OLIVE WWTP IMPR
CONTRACT II
TOWN OF MOUNT OLIVE WAYNE COUNTY
OVEMENTS
NORTH CAROLINA
ELECTRICAL MODIFICATIONS DETAILS
40 WithersRavenel
kiP Engineers I Planners I Surveyors
115 MacKenan Drive I Cary, NC 275111 t: 919.469.3340 1 license #: C-0832 I www.withersravenel.com
Sheet No.
26

Aug-20
SECTION 113200
IRRIGATION AND TRANSFER PUMP SYSTEM UPGRADES
PART1 GENERAL
1.01. THE REQUIREMENT
A. The CONTRACTOR shall provide all labor, materials, tools, and equipment required to
furnish and install a complete, operational chemical feed system as described in the
Drawings and in this specification.
B. All equipment provided under this section shall be obtained from a single SUPPLIER that
shall assume full responsibility for the completeness and proper installation of all
equipment.
C. The extent of work under this section includes:
1. The removal of the existing three (3) irrigation vertical turbine pumps and turning
them over to the OWNER for storage per the OWNER's instructions.
2. The installation of three (3) new irrigation vertical turbine pumps at the existing
irrigation wetwell pump station and all required appurtenances. All three (3)
irrigation pumps shall be provided by the SUPPLIER.
3. The moving of the existing two (2) transfer vertical turbine pumps from the existing
irrigation wetwell to a new 10-foot diameter transfer wetwell and all required
appurtenances.
4. The installation of one (1) new 10-foot diameter pre -cast wetwell for the new
transfer pump station as shown on the Drawings.
5. The installation of all required piping, fittings, valves, electric actuated valves,
basket strainers, and appurtenances as shown on the Contract Drawings and
specified herein.
6. The demolition of the existing control panel structure for the existing Effluent Pump
Control Panel and RTU and the removal of the existing Effluent Pump Control Panel
and RTU. Disposal of materials offsite is to be done by CONTRACTOR. Existing
MCCEF to remain.
7. The installation of one (1) new control panel shelter as shown on the Contract
Drawings.
8. The installation of one (1) new irrigation pump motor starter panel, one (1) new
transfer pump motor starter panel, and one (1) new Irrigation PLC Panel as shown
on the Contract Drawings and specified herein. All control panels shall be provided
by the SUPPLIER, with the exception of the proposed RTU. The proposed RTU shall
be provided by the SYSTEMS INTEGRATOR. The SUPPLIER shall coordinate with the
SYSTEMS INTEGRATOR to ensure all signals are interfaced with the WWTP SCADA
system and that the system controller will accept the SYSTEM INTEGRATOR's SCADA
system commands to allow WWTP operators to override normal operations if
necessary. See the 1/0 list in Section 25 50 00 for the 1/0 the SUPPLIER is
responsible for monitoring, accepting, and sending through the Irrigation PLC Panel.
The SUPPLIER shall provide the Programmable Logic Controller (PLC) for controlling
Town of Mount Olive 02181005.02 1132 00 - Page 1 of 15
Mount Olive WWTP Improvements Contract 11 Irrigation and Transfer Pump System Upgrades

Aug-20
the Irrigation / Transfer Pump System. The PLC shall be provided by the SUPPLIER
fully programmed as specified herein.
D. Work not included by the SUPPLIER shall be provided by the CONTRACTOR. It is the
CONTRACTOR's responsibility to coordinate with the SUPPLIER to provide a complete
irrigation and transfer pump system as shown in the Contract Drawings and specified
herein; the information below is merely a summary:
1. Installation
2. Electrical wiring and conduit
3. Control wiring and conduit and installation for remote signals
4. Painting/Coating
1.02. QUALITY ASSURANCE
A. General
1. Class numbers or pressure rating shall be clearly marked on the pipe and fittings at
the factory.
B. Piping
1. All water piping shall be NSF approved, and shall bear the NSF seal of approval.
C. Codes and Standards
1. All materials, installation, and workmanship shall comply with the applicable
requirements and standards addressed within the following references:
a. American National Standard Institute (ANSI)
b. ASME International (ASME)
c. American Society for Testing and Materials (ASTM)
d. American Water Works Association (AWWA)
e. Hydraulic Institute (HI)
f. International Building Code (IBC)
g. National Electrical Code (NEC)
h. National Electrical Manufacturers Association (NEMA)
i. National Fire Protection Association (NFPA)
j. NSF International (NSF)
k. Occupational Safety and Health Administration (OSHA)
I. Plumbing -Heating -Cooling Contractors Association (PHCC)
m. Underwriters Laboratories (UL)
n. Where reference is made to one of the above standards, the revision in effect at
the time of bid opening shall apply.
Town of Mount Olive 02181005.02 1132 00 - Page 2 of 15
Mount Olive WWTP Improvements Contract 11 Irrigation and Transfer Pump System Upgrades

Aug-20
o. All materials shall meet or exceed all applicable referenced standards; federal,
state and local requirements, and conform to codes and ordinances of
authorities having jurisdiction.
1.03. SUBMITTALS
A. Submit the following in accordance with Specification Section 0133 00 - Submittals:
1. Submit sufficient information, clearly presented, to determine compliance with
Drawings and Specifications.
2. Include electrical ratings (as applicable), dimensions, weights, mounting details,
materials, wiring diagrams, piping diagrams, flow ranges (as applicable), and
accessories.
3. Include control panel elevations, control schematics, and components data as
applicable.
4. Data
a. Submit, simultaneously with the shop drawings, any relevant catalog
information with manufacturer's descriptive and technical literature, cutsheets,
performance charts, and pump curves. Also include a list of materials, list of
equipment, including a complete list of parts and supplies with current unit
prices and source of supply. Include a list of special tools for each type of
equipment furnished including special tools necessary for adjustment,
operation, maintenance, and disassembly.
5. Spare Parts
a. Spare parts data for each different item of material and equipment specified,
after approval of the related submittals, and not later than 1 month prior to the
date of beneficial occupancy. The data shall include a complete list of parts and
supplies, with current unit prices and source of supply.
6. Instructions
a. Reclaim Water Pump System
b. Diagrams, instructions, and other sheets proposed for posting.
7. Reports
a. Field Testing and Adjusting Equipment
1) Performance test reports in booklet form showing all field tests performed
to adjust each component and all field tests performed to prove compliance
with the specified performance criteria, upon completion and testing of the
installed system. Each test report shall indicate the final position of controls.
8. Operation and Maintenance Manuals
a. Operation and maintenance manuals shall be submitted per Specification
Section 0173 00 — Operation and Maintenance Data. Submit O&M Manuals for
the irrigation pumps, transfer pumps, electric actuated valves, motor starter
panels, PLC panel, and all other required appurtenances.
Town of Mount Olive 02181005.02 1132 00 - Page 3 of 15
Mount Olive WWTP Improvements Contract 11 Irrigation and Transfer Pump System Upgrades

Aug-20
1) Submitted operation and maintenance manuals shall include technical data
sheets, wiring diagrams, and information for ordering replacement parts.
The operation & maintenance manuals shall include operating instructions
outlining the step-by-step procedures required for system startup,
operation and shutdown. The instructions shall include the manufacturer's
name, model number, service manual, parts list, and brief description of all
equipment and their basic operating features. The instructions shall include
as -built drawings of the piping layout, equipment layout, and simplified
wiring and control diagrams of the system as installed. Flow diagrams shall
be included in the instructions. Maintenance instructions should be included
that list routine maintenance procedures, possible breakdowns and repairs,
and trouble -shooting guides.
1.04. DELIVERY AND STORAGE
A. All equipment delivered and placed in storage shall be stored with protection from the
weather, excessive humidity and excessive temperature variation; and dirt, dust, or
other contaminants.
1.05. FIELD MEASUREMENTS
A. The CONTRACTOR shall become familiar with all details of the work, verify all
dimensions in the field, and shall advise the ENGINEER of any discrepancy before
performing the work.
1.06. CERTIFICATION
A. Two weeks prior to final inspection, unless otherwise noted, submit four (4) copies of
the following certifications to the ENGINEER:
1. Certification that the equipment has been properly installed, adjusted, and tested
(see Acceptance Test in section 1.02.13.1).
2. Submit any field testing reports in booklet form showing all field tests performed to
adjust each component and all field tests performed to prove compliance with the
specified performance criteria, upon completion and testing of the installed system.
Each test report shall indicate the final position of controls.
PART 2 PRODUCTS
2.01. GENERAL MATERIAL AND EQUIPMENT REQUIREMENTS
A. Materials and equipment shall be the standard products of a manufacturer regularly
engaged in the manufacturer of such products and shall essentially duplicate items that
have been in satisfactory use for at least 2 years prior to bid opening. Equipment shall
be supported by a service organization that is, in the opinion of the ENGINEER,
reasonably convenient to the site. Pump casings shall be constructed of cast iron of
uniform quality and free from blow holes, porosity, hard spots, shrinkage defects,
cracks, and other injurious defects. Impellers shall be ductile iron unless otherwise
specified for rotors.
B. Nameplates
Town of Mount Olive 02181005.02 1132 00 - Page 4 of 15
Mount Olive WWTP Improvements Contract 11 Irrigation and Transfer Pump System Upgrades

Aug-20
1. Each major item of equipment shall have the manufacturer's name, address, type or
style, model or serial number, and catalog number on a plate secured to the item of
equipment.
C. Equipment Guards
1. Belts, pulleys, chains, gears, projecting setscrews, keys, and other rotation parts so
located that any person may come in close proximity thereto shall be enclosed or
guarded.
D. Special Tools
1. One set of special tools, calibration devices, and instrument required for operation,
calibration, and maintenance of the equipment shall be provided.
E. Electric Motors
1. Motors shall conform to NEMA MG 1.
F. Motor Controls
1. Controls shall conform to NEMA ICS 1.
G. Bolts, Nuts, Anchors, and Washers
1. Bolts, nuts, anchors, and washers shall be steel; galvanized in accordance with ASTM
A 153.
H. Pressure Gauges
1. Compound gauges shall be provided on the suction side of pumps and standard
pressure gauges on the discharge side of pumps. Gauges shall comply with ASME
B40.1. Gauge ranges shall be as appropriate for the particular installation.
I. Basket Strainer
1. Two (2) in -line basket strainers shall be provided (one duty and one shelf spare).
2. The basket strainer shall be sized for a 10" diameter with ANSI 300 flange
connections.
3. The basket strainer basket shall have a slant top design to improve flow through the
strainer. Basket shall be constructed of 316 stainless steel. Basket shall have 1/8"
diameter perforations.
4. Basket strainers shall have a hinged, quick opening cover secured by swing bolts.
5. Basket strainer shall be installed as shown on the Contract Drawings.
6. Basket strainer shall be an Eaton Model 90 simplex strainer or ENGINEER approved
equal.
2.02. IRRIGATION VERTICAL TURBINE PUMPS
A. Pump Characteristics
1. Number of Pumps: three (3)
2. Operation Type: Two (2) duty and one (1) standby
3. Pump Service: Tertiary treated reclaimed wastewater
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4. Design operating Point for two pumps in parallel: 1776 gpm flow, 191 feet Total
Dynamic Head
5. Operating Speed 1800 rpm maximum
6. Motor: 75 HP, 3/60/480VAC, 1770 RPM, VHS Motor, WPI Enclosure
7. Pump Control: Automatic with H.O.A. controls in NEMA 311 enclosure.
8. Transducer with Backup floats level control
B. Pump Head Assembly
1. Pump head assembly shall consist of the pump baseplate, the discharge head, and
the driver. Head assemblies shall be of low rigid construction arranged for bolting to
concrete foundations and shall be provided with at least two eyebolts, cast lugs or
other means of securing slings to facilitate setting and lifting. Pump discharge head
and baseplate shall be capable of withstanding all end and side thrusts imposed by
the pump during operation and have adequate strength to resist vibration by any
operating speed.
2. Pump Baseplate
a. Pump head baseplate shall be cast-iron or steel and shall serve as a sole plate
for mounting the discharge head assembly.
3. Discharge Head
a. Discharge head flanges shall be designed for standard pipe connections
conforming to ASME B16.1 and ASME B16.5. Surface -type discharge heads shall
be designed for mounting on the baseplate. Discharge head shall be provided
with a packed stuffing box with bronze or teflon lantern ring, a split gland
follower, bronze follower nuts, and a grease lubricator. A lip to collect leakage
from the stuffing box shall be provided with drilled and tapped connection for
drainage pipe. Discharge head shall be designed to accommodate the required
driver assembly. Space shall be provided for access to the coupling between the
pump shaft and drive shaft. Pipe taps shall be provided on the discharge head as
required for prelubrication and discharge gauge connections.
4. Pump Driver
a. Vertical hollow shaft electric motor drivers shall be provided with ball or roller
bearings of adequate strength to carry the hydraulic thrust of the pump
impellers and the weight of all rotating parts. The bearings shall have a
minimum calculated L-10 rating life of 50,000 hours in accordance with ABEMA
9. If there is a potential for pump upthrust during any operating condition, the
drive shall be designed for this upthrust. The vertical hollow shaft motor shall be
sized to transmit the maximum horsepower required by the pump over the
entire operating range of the pump. Motor shall be provided with a
nonreversible ratchet device to prevent reverse rotation of the pump and line
shafts of pumps with settings of 50 feet or more. Provisions shall be made for
vertical impeller adjustment at the top of the motor.
C. Water -Lubricated Column and Shaft Assembly
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1. Each section of the discharge column shall consist of a column pipe, lineshaft with
hardened journal surfaces, bearing spiders with bearings spaced not more than 10
feet on centers, and line shaft and discharge column pipe couplings. Line shaft
bearings shall be bronze or rubber and shall be held in place by bronze bearing
retainers.
2. Lubrication
a. Lubrication of line shaft pumps shall be furnished by the water being pumped.
3. Lubricating Device
a. Automatic lubrication shall be provided by a solenoid operated valve and a
time -delay mechanism to prevent pump operation until all line shaft bearings
above the water level have been supplied with prelubrication water.
D. Pump Bowl Assembly
1. Pump bowl assembly shall include the pump bowl, pump impeller, and the pump
shaft and bearings and may be a single state or multistage configuration.
2. Pump Bowls
a. Bowls shall be of close -grained cast-iron and shall have integrally -cast vanes
with smooth, streamlined water passageways. Suction bowl shall contain a
bronze bearing permanently packed with nonsoluble grease and fitted with a
sand collar to serve as the bottom bearing of the pump shaft.
3. Impellers
a. Impellers shall be carefully finished with smooth water passageways and shall
not load the prime driver beyond the nameplate rating over the entire
performance range of the pump. Impellers shall be of the enclosed or semi -
open type and shall be constructed of cast-iron. Impellers shall be statically and
dynamically balanced.
4. Pump Shafts
a. Shafts shall be of stainless steel or high grade chrome -nickel capable of
transmitting the required thrust in either direction and the total torque of the
unit.
5. Bearings
a. Intermediate bowl bearings shall be water lubricated bronze. Top bowl bearings
and suction case bearings shall be grease packed bronze, water -lubricated
bronze. Grease in grease -packed bearings shall be nonwater-soluble hydraulic
type permanently sealed against loss. Grease -packed bearings shall be provided
with sand caps to prevent intrusion of abrasive particles.
E. Suction Pipe and Strainer
1. Suction pipe shall be in sections not more than 10 feet in length. Suction strainer
shall be of the basket type, fabricated from stainless steel.
F. Pressure Gauge
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1. A pressure gauge of the direct -reading type, equipped with a shut-off cock and
snubber, shall be provided on the discharge from each pump. Pressure gauge shall
conform to ASME B40.1 and shall be calibrated in pounds per square inch in not
more than 2 psi increments from zero to minimum of 5 psi above the shut-off head
of the pump. Rating point shall be at approximately the mid -point of the scale.
G. Air -Vent Valve
1. Air -vent valve with the necessary pipe connections shall be provided to permit the
automatic escape of air from the discharge column when the pump is started. Size
of the air -vent valve and piping shall suit the actual requirements of the individual
installation and the recommendations of the pump manufacturer.
H. Electrical Equipment
1. General
a. Electrical motor -driven equipment specified shall be provided complete with
motors, motor starters, and controls. Motor controls, equipment, and wiring
shall be as specified in the electrical specifications.
b. Electric Motors
1) Each electric motor -driven pump shall be driven by a weather -protected,
Type I vertical continuous -duty electric motor conforming to NEMA MG 1.
Motor shall have a 1.15 service factor. Motors shall be squirrel -cage
induction motors having normal -starting -torque and low -starting -current
characteristics, with reduced voltage slow start/slow stop control and shall
be of sufficient size so that the nameplate horsepower rating will not be
exceeded throughout the entire published pump characteristic curve. Motor
bearings shall provide smooth operations under the conditions encountered
for the life of the motor. Adequate thrust bearing shall be provided in the
motor to carry the weight of all rotating parts plus the hydraulic thrust and
shall be capable of withstanding upthrust imposed during pump starting and
under variable pumping head conditions specified. Motors shall be rated
480 volts, 3 phase, 60 Hz and such rating stamped on the nameplate.
c. Control Equipment
1) Automatically controlled pumps shall have three -position MANUAL -OFF -
AUTOMATIC selector switch in cover. Additional controls or protective
devices shall be as indicated. A pump low-water cutoff shall be installed in
the reclaim water storage tank and shall shut the pump off when the water
level in the tank reaches the level shown.
2.03. PUMP CONTROLS
A. Motor Starter Panels: Furnish and install for each pump station one automatic pump
control center in NEMA 3R enclosure for 480 volts, 3 phase, 60 hertz, 3 wire power
supply. Each pump shall have an individual motor circuit protector, Solid State Reduced
Voltage Starter with internal overload protection (ATS22C11S6U or approved equal),
hand -off -automatic selector switch, Run Lights, Fault Lights control circuit breaker and
by pass circuitry for the alternator in the event of failure. Provide one each for the
Irrigation Pump Station and the Transfer Pump Station.
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B. Unit Responsibility
1. The controls and SSRV Starters, as specified herein shall be supplied by one
equipment supplier who shall be responsible for the complete system.
2. The specifications cover the intended functions of the control system but do not
necessarily cover all details necessary for a complete, operable and functional
system. The supplier shall provide all devices and appurtenances necessary to
provide a complete, operable and satisfactory system as indicated or specified.
C. Manufacturer
1. The referenced manufacturers are Allen Bradley, Cutler Hammer, and Square D.
Equal products of other manufacturers may be submitted for review by the
ENGINEER. The submittal must be done no later than 20 working days before bid
date. Any items not specifically approved are not permitted for use.
2. It is the intent of these specifications and drawings that the CONTRACTOR shall
engage an approved and qualified manufacturer to provide the control system as
specified and indicated.
3. Manufacturer shall design and furnish a complete, integrated and functionally
operating system, warranted for the intended functions as herein specified.
4. Provide or supply all instruments specified herein as required and provide all
required and specified collateral services in connection with the system such as
testing, calibration, start-up, and operation and maintenance manuals.
D. CONTRACTOR shall be fully and solely responsible for the work of the instrument
manufacturer and solely responsible to the OWNER for having supplied to the OWNER
the complete instrumentation and control system.
E. CONTRACTOR shall provide personal superintendence and direction to the work,
maintaining and supplying complete supervision over and coordination between all
subcontractors employed by him.
F. CONTRACTOR shall be responsible for defining the limits of his subcontractor's work.
G. CONTRACTOR shall be responsible for setting of instruments (including alarms, etc. as
provided under other sections) and final connections to all instruments shall be made by
the CONTRACTOR and/or electrical subcontractor.
H. CONTRACTOR shall provide services of a factory trained service ENGINEER, specifically
trained on the type of control system.
1. Installation and Erection - One 1-day trip.
2. Start -Up and Training -Two 2-day trips.
I. The minimum days specified above do not relieve the system manufacturer of providing
sufficient service to place the system in satisfactory operation.
J. General Control Products
1. All equipment and material shall be new, unused and proven by previous use of
similar products to be completely suitable for the service intended.
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2. Equipment and materials shall be as specified or approved equal. All of the
equipment shall be the manufacturer's latest and proven design. Specifications and
drawings call attention to certain features but do not purport to cover all details
entering into the design of the instrumentation system. The completed system shall
be compatible with the functions required and other equipment furnished by the
CONTRACTOR. All electrical components of the system shall be powered by 120-
volt, single phase, except as otherwise indicated or specified.
3. All remote motor operated or electrically operated equipment will have a separate
120-volt control circuit.
4. Provide all necessary fuses or switches required by the instrumentation
manufacturer for his equipment. Provide internal on/off switch or disconnect fuse
at all instruments requiring an internal power supply.
5. System manufacturer to supply "as -built" drawings containing all necessary
information for proper maintenance and operation of the system. Interconnection
information between system components and equipment found in other sections of
these Specifications shall be complete with all necessary interconnection
information.
K. PLC Control Panel
1. Provide a free standing NEMA 12/311 painted steel control and instrumentation
panel for control of the above -mentioned Irrigation and Transfer starter panels.
Provide panel constructed of 14-gauge steel with support members where required
to prevent deflection of the panel.
2. Mount 12" Allen Bradley Panelview Plus series 7 HMI on internal deadfront
fabricated of .125 Aluminum. All operations for the above two pump stations will be
performed from this panel. All internal control components will be wired to terminal
blocks with identifying numbers as shown on the panel fabrication drawings. Hand
labeling of terminal block is not permitted; computer generated labels are required.
3. Programmable Logic Controller (PLC): PLC shall be fully equipped to monitor all
equipment statuses, alarms and instrumentation system analog signals; control
selected equipment operations; and seamlessly connect to the communications
network via Modbus TCP/IP protocol through the use of a Red Lion data converter.
The PLC shall be Allen Bradley Compactlogix. Configuration shall be based on the
following standardize components:
(1) 1769-L33ER CPU (2MB Memory)
(2) 1769-IA16 Digital Input Module
(3) 1769-OW16 Relay Output Module
(4) 1769-IF8 Analog Input module
(5) 1769-OF8C Analog Output Module
(6) 1769-PA4 Power Supply
(7) 2711P-T12W21D8S Operator Interface Panel
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4. PLC Digital inputs shall be isolated through the use of Finder SPDT interface relay
part number 39.01.0.125.0060. PLC Relay outputs shall be isolated through the use
of Finder interface relay part number 55.34.8.120.005
5. All PLC operator "adjustable" or "selectable" settings shall be accessible from the
PLC Operator Interface panel. Each setpoint shall include adjustable deadband and
adjustable time delay
6. PLC Operator Interface Panel controls shall include Manual — Automatic selector
switch, start and stop pushbuttons and remote status indication for each equipment
item monitored or controlled by the PLC system.
7. Flow meter signals shall be forced to zero anytime the associated pumping
equipment or motor operated valves are not in operation. Additionally, flow signals
below an operator adjustable minimum flow setpoint shall be forced to zero.
8. Automation alternation controls shall alternate following each lead cycle, following
an operator adjustable number of hours of operation and at an operator selectable
time of day. For each automatic alternation system, enable or disable shall be
individually selectable for each alternation trigger. Only equipment that is ready to
run when called shall be available to the automatic alternation sequence.
9. PLC Operator Interface Panel screens shall include, but not limited to the following:
(1) PLC 1/0 Module Status Screen
(2) Irrigation System Overview Screen
(3) Transfer Pump Screen
(4) Irrigation Pump Screen
(5) Spray Field Screen
(6) Effluent Water Quality Overview Screen
(7) Flow Trend Screen
(8) Water Quality Trend Screen
(9) Alarm Status Report Screen
(10) Equipment Status and Run Time Report Screen
(11) Flow Totalization Report Screen
10. Power Supplies:
(1) Regulated DC power supplies for instrument loops shall be designed and
arranged so that loss of one supply does not affect more than one instrument
loop or system. Power supplies shall be suitable for an input voltage variation of
+- 10 percent and the supply output shall be fused or short circuit protected.
Output voltage regulation shall be as required by the instrumentation
equipment supplied.
(2) Multi -loop or multisystem power supplies will be acceptable if back up power
supplies units are provided which will automatically supply the load upon failure
of the primary supply. The back-up supply systems shall be designed so that
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either the primary or the back-up supply can be removed, repaired, and
returned to service without disrupting the instrument system operation.
(3) The power distribution from multi -loop supplies shall be selectively fused so
that a fault in one instrument loop will be isolated from the other loops being
fed from the same supply. Fuses shall be clearly labeled and shall be located for
easy access
(4) Multi -Loop supply systems shall be oversized for an additional 10 percent future
load. Failure of a multi -loop supply shall be indicated on the respective
instrument panel or enclosure.
11. All control panel wires shall be individually labeled with self -laminating machine
printed labels. Field wiring directly to control components in the control panel is not
permitted.
12. Wiring to be type MTW, 600-volt rating, sized per National Electric Code for load
requirements.
13. Identify components on the control panel with computer engraved plastic labels,
white lettering on black background. 'Tape' labels or hand lettering of any type shall
not be permitted. Cement labels to panel with epoxy cement.
14. Provide all necessary fuses or switches required by the instrumentation
manufacturer.
15. Any signal wires that leave the local building shall have required surge protection.
16. Control panel to be UL 508 labeled.
17. Provide duplex outlet 120V receptacle for programmer use.
18. 120-volt control voltage will be provided to the PLC and Pump control panels from
the Panel EPP. Provide 30 amps for each panel.
19. A terminal strip shall also be provided for easy connection of cords from the pumps.
To ensure proper connections, a schematic wiring diagram shall be posted inside the
panel door.
L. Level Sensing
1. Submersible Transducer System
a. The level control system shall utilize a submersible transducer. It shall be a
strain gauge transducer with a pressure sensor housed in a 316 SST or Titanium
case designed to extend into the wet well. The pressure transducer shall
provide a proportional signal for distribution to the display and electronic
comparators of the electronic pressure switch, and remainder of the level
control system. Sensor range shall be 0 12 ft. W.C. minimum with an over-
pressure rating 3 times full scale. The transducer shall have output capability of
4-20mA. The transducer's polyurethane jacketed shielded cable shall be of
suitable length for proper installation into the wet well without splicing.
b. Submersible transducer will be furnished with transient voltage surge
suppression to protect related equipment from an induced voltage spike from
lighting.
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c. Level sensors shall be provided for the Transfer Wet well, Irrigation Wet well
and the 28 million gallon storage lagoon.
M. Electrical Work
1. Electrical motor driven equipment specified shall be provided complete with
motors, motor starters, and controls. Electric equipment and wiring shall be in
accordance with the electrical specifications. Electrical characteristics shall be as
specified or indicated. Motor starters shall be provided complete with thermal
overload protection and other appurtenances necessary for the motor control
specified. Manual or automatic control and protective or signal devices required for
the operation specified, and any control wiring required for controls and devices but
not shown, shall be provided.
2.04. CONTROL NARRATIVE FOR SUPPLIER'S PLC CONTROL SYSTEM
A. The SUPPLIER's PLC shall control the irrigation and transfer system in two (2) typical
modes: (1) Automatic Operation and (2) Hand Operation. See the Process and
Instrumentation Drawing in the Contract Drawings for reference.
B. In Automatic Operation:
1. The Effluent Electric Modulating Valve (V101) shall be closed and WWTP effluent
shall be directed to the irrigation system by opening the Irrigation Wetwell Electric
Modulating Valve (V102) and closing the Transfer Wetwell Electric Modulating Valve
(V103).
2. WWTP effluent shall be directed to the irrigation wetwell for pumping to the
irrigation fields if the following conditions are met:
a. If the WWTP effluent is clean enough (Turbidity < 10 NTU)
b. If the permitted irrigation volume (560,893 GPD) has not been dispersed yet
during that day. Flow measurement is totalized flow from irrigation flow meter
(FM 101).
c. If the rain sensor has not been set off by precipitation.
d. If there has not been a detected irrigation pump failure.
WWTP effluent shall be pumped to one irrigation field at a time. Flow to each
irrigation field shall be controlled by a pre-set volume of water that is allowed to be
pumped to each individual field. Flow measurement is totalized flow from the
irrigation flow meter (FM101). Irrigation shall cycle from Field 1, then to Field 2,
then to Field 3, and so on until Field 12 has been irrigated. When Field 12 has been
irrigated, the cycle shall start over with Field 1. Field cycling shall occur when the
pre-set irrigation volume for each field is reached, at which point the electric
solenoid valve for the current field shall close and the electric solenoid valve for the
next field shall open.
3. If not all of the conditions are met above, then WWTP effluent shall be directed to
the transfer wetwell for pumping to either the 5-Day Upset Lagoon or the 28-MIL
Storage Lagoon. WWTP effluent shall be directed to the transfer system by closing
the Irrigation Wetwell Electric Modulating Valve (V102) and opening the Transfer
Wetwell Electric Modulating Valve (V103). WWTP effluent shall be pumped to the
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28-MIL Storage Lagoon by closing the 5-Day Upset Lagoon electric solenoid valve
(V104) and opening the 28-MIL Storage Lagoon electric solenoid valve (V105).
WWTP effluent shall be pumped to the 28-MIL Storage Lagoon if the following
conditions are met:
a. If the WWTP effluent is clean enough (Turbidity < 10 NTU).
b. If the volume in the 28-MIL Storage Lagoon has not yet reached the maximum
level.
c. If there has not been a detected transfer pump failure.
If the WWTP effluent is not clean enough, then the WWTP effluent shall be pumped
to the 5-Day Upset Lagoon by opening the 5-Day Upset Lagoon electric solenoid
valve (V104) and closing the 28-MIL Storage Lagoon electric solenoid valve (V105).
WWTP effluent shall be pumped to the 5-Day Upset Lagoon if the following
conditions are met:
a. If the WWTP effluent is not clean enough (Turbidity > 10 NTU).
b. If the volume in the 5-Day Upset Lagoon has not yet reached the maximum
level.
c. If there has not been a detected transfer pump failure.
Flow from the transfer pump station shall be measured by the transfer flow meter
(FM102). Flow from the transfer pump station shall be measured and totalized in
two ways:
a. If the 28-MIL Storage Lagoon electric solenoid valve (V105) is open and the 5-
Day Upset Lagoon electric solenoid valve (V104) is closed then the flow shall be
totalized by the SCADA system as "Stored Reclaim Water".
b. If the 28-MIL Storage Lagoon electric solenoid valve (V105) is closed and the 5-
Day Upset Lagoon electric solenoid valve (V104) is open then the flow shall be
totalized by the SCADA system as "Stored Upset Water".
4. If WWTP effluent cannot be sent to the irrigation system or transfer system, the
WWTP effluent shall be directed to the outfall at the Northeast Cape Fear River by
closing the Irrigation Wetwell Electric Modulating Valve (V102), closing the Transfer
Wetwell Electric Modulating Valve (V103), and opening the Effluent Electric
Modulating Valve (V101).
C. In Hand Operation:
1. The Operator shall be able to pump water to any field or lagoon at any time that the
Operator chooses by use of push buttons on the door of the PLC panel or remotely
through the SCADA system. The Operator may also send flow the Northeast Cape
Fear River at any time the Operator chooses by use of a push buttons on the door of
the PLC panel or remotely through the SCADA system.
PART 3 EXECUTION
3.01. INSTALLATION
A. Pump Installation
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1. Pumping equipment and appurtenances shall be installed in the position indicated
and in accordance with the manufacturer's written instructions. All appurtenances
required for a complete and operating pumping system shall be provided, including
such items as piping, conduit, valves, wall sleeves, wall pipes, concrete foundations,
anchors, grouting, pumps, drivers, power supply, seal water units, and controls.
3.02. CONCRETE
A. Concrete shall be as specified.
3.03. PAINTING
A. Pumps and motors shall be thoroughly cleaned, primed, and given two finish coats of
paint at the factory in accordance with the recommendations of the manufacturer. Field
painting required for ferrous surfaces not finished at the factory shall be as specified.
3.04. FIELD TESTING AND ADJUSTMENT OF EQUIPMENT
A. Operational Test
1. Prior to acceptance, an operational test of all pumps, drivers, and control system
shall be performed to determine if the installed equipment meets the purpose and
intent of the specifications. Tests shall demonstrate that the equipment is not
electrically, mechanically, structurally, or otherwise defective; is in safe and
satisfactory operating characteristics. Prior to applying electrical power to any
motor driven equipment, the drive train shall be rotated by hand to demonstrate
free operation of all mechanical parts. Tests shall include checks for excessive
vibration, leaks in all piping and seals, correct operation of control systems and
equipment, proper alignment, excessive noise levels, and power consumption.
B. Retesting
1. If any deficiencies are revealed during any test, such deficiencies shall be corrected
and the tests shall be reconducted.
3.05. MANUFACTURER'S SERVICE
A. Services of a manufacturer's representative who is experienced in the installation,
adjustment, and operation of the equipment specified shall be provided. The
representative shall supervise the installation, adjustment, and testing of the
equipment.
3.06. FIELD TRAINING
A. A field training course shall be provided for designated operating and maintenance staff
members. Training shall be provided for a total period of 16 hours of normal working
time and shall start after the system is functionally complete but prior to final
acceptance tests. Field training shall cover all of the items contained in the operating
and maintenance manuals.
END OF SECTION
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SECTION 25 36 20
INSTRUMENTATION
PART1 GENERAL
1.01. THE REQUIREMENT
A. The CONTRACTOR shall provide all labor, materials, tools and other items necessary to
furnish, install, test, and place in operation the instrumentation as indicated on the
drawings, and as specified. It is the intent of these specifications, in conjunction with the
plans, to provide a system that is complete in every respect and ready for operation. All
parts, devices, wiring, and equipment necessary to meet the functional requirements
shall be provided. All control wire, pneumatic tubing, signal wire, and necessary carrier
conduits, not shown on Drawings but required for operation, shall be supplied by the
CONTRACTOR. Additionally, all local instrument transformers required for powering
instruments not shown on the Drawings but required for operation shall be supplied by
the CONTRACTOR.
B. It is the CONTRACTOR's responsibility to coordinate with all instrumentation suppliers to
ensure all instruments are provided and all control signals are coordinated with the
SCADA SYSTEMS INTEGRATOR.
C. All other instruments necessary for the Waste Water Treatment Plant (WWTP)
improvements to be completed, as described herein and shown on the Drawings, shall be
provided by the CONTRACTOR. The following table shows the instruments required and
their general location.
Instrument Type
Total
Quantity
General Location
Ultrasonic Level
2
Two (2) on the effluent Parshall flume
Measuring Instrument
One (1) on the irrigation pump station influent
Electrically Actuated
2
line
Valve Operator
One (1) on the transfer pump station influent
line
Rain Sensor
1
One (1) at the irrigation pump station site
Differential Pressure
One (1) on the 12-inch transfer pump station
Indicating Transmitter
2
force main, one (1) on the 12-inch irrigation
pump station force main
Electromagnetic Flow
1
One (1) on the 12-inch transfer pump station
Meters
force main
Parshall Flume
1
One (1) 12-inch fiberglass Parshall flume on the
plant effluent line
D. Wiring in all starters, panels, instruments, junction boxes, etc., shall be brought out to
numbered terminal strips for interconnection.
1.02. SUBMITTALS
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A. Shop Drawings
1. Shop drawings for all instruments shall be submitted in accordance with Specification
Section 013000.
B. Operation and Maintenance Manual
1. Operation and maintenance manuals shall be submitted per Specification Section
017300—Operation and Maintenance Data.
2. Submit the complete, combined maintenance and operating manuals for all
equipment, including technical data sheets and information for ordering replacement
parts. The operation & maintenance manuals shall include operating instructions
outlining the step-by-step procedures required for operation of all instrumentation
associated with the project. The instructions shall include the manufacturer's name,
model number, service manual, parts list, and brief description of all equipment and
their basic operating features. The instructions shall include as -built drawings of the
piping layout and equipment layout of the system as installed. Flow diagrams shall
be included in the instructions. Maintenance instructions should be included that list
routine maintenance procedures, possible breakdowns and repairs, and trouble-
shooting guides.
1.03. QUALITY ASSURANCE
A. The instrumentation manufacturer shall provide a warranty for all equipment against
defects or failures for a period of 12 months from date of OWNER acceptance or 18
months from the date that the equipment is delivered to the project site
PART 2 PRODUCTS
2.01. GENERAL
A. Tappings and connections for primary process sensors shall be sized to suit each individual
installation and the requirements of the instrument served.
B. Electronic equipment shall be all solid-state construction utilizing premium grade metal
and/or glass sealed semiconductor and/or amplifiers. Alignment and adjustments shall
be noncritical, stable with temperature changes or aging, and accomplished with
premium grade potentiometers.
2.02. ULTRASONIC LEVEL MEASURING INSTRUMENTS
A. Summary
1. The CONTRACTOR shall provide and install ultrasonic level measuring instruments for
the Parshall flume as shown on the Drawings.
2. The ultrasonic level measuring instruments shall be by Rosemount, ABB, Siemens, or
an ENGINEER approved equal.
3. All provided ultrasonic level measuring instruments shall be by the same
manufacturer.
B. Details
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1. Ultrasonic sensor shall be of the "self-contained" type, outputting a 4-20 mA signal
proportional to the tank level. Sensor shall have a range adequate to cover the entire
tank height. Sensor shall have a NEMA 4X PVC housing with 20 feet of sensor cable.
2. Indicator shall monitor one (1) tank/basin. The remote mounted LCD indicator shall
carry CE marking and shall be housed in a NEMA 4X, UL approved enclosure. All
operations shall be keypad operated & menu driven in order to avoid compromising
the NEMA 4X seal at any time. The alphanumeric LCD readout shall have backlighting
for readability in low light conditions. Power requirement shall be 110 VAC.
3. A 6-digit numerical display shall give operator the ability to monitor the liquid by
weight (lb or kg) or volume (gallons or liters). A bar graph display shall read 0-100%
for the net contents. A diagnostics menu shall allow recalibration without the need
to fill or empty the vessel. A user adjustable filter function shall stabilize display in
the event of vibration.
4. Indicator shall output net weight via a 4-20mA signal and full-scale output shall be
user adjustable via the keypad. Indicator shall have four adjustable set points to
display low- or high-level conditions on the indicator.
5. Set points shall activate four (4) % Amp dry contact relays.
6. Full scale accuracy shall be better than % of 1%.
2.03. ELECTRICALLY ACTUATED VALVE OPERATORS
A. Electrically actuated valve operators shall be provided and installed as shown on the
Drawings.
B. All actuators provided for this project shall be by the same manufacturer, for control
circuit consistency, ease of maintenance and availability or stocking of spare or
replacement parts.
C. All electrically actuated valve operators shall be by EIM Texas Series 2000/M2CP, AUMA,
Rotork, or ENGINEER approved equal.
D. Electric actuator shall include the electric motor, reduction gearing, valve stem drive
nut/bushing, position limit switches, mechanical overload torque switches, ductile iron
gear case and automatic declutchable handwheel.
E. Motor speed reduction shall be by means of a gear train consisting of hardened steel spur
gears and self-locking worm and worm gear set. The worm shall be heat treated alloy
steel and have worm thread surface rolled or ground. The worm gear shall be bronze.
Non-metallic gears in the power train are not acceptable.
F. All gearing and shafting shall be supported on anti -friction bearings. All thrust
components shall be supported by use of tapered roller bearings.
G. The actuator shall be furnished with a handwheel located in a 90-degree plane from the
actuator output drive, with a maximum rim pull requirement of 60 pounds for valve travel
loads. An external manual declutch lever shall be included to place actuator in the manual
mode. The lever shall not require more than a 10-pound force to engage even when the
valve has been tightly seated. The lever is to be padlockable in either handwheel or motor
mode. Operation by motor shall not cause the handwheel to rotate, or operation of the
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handwheel shall not cause the motor to rotate. Handwheel shall operate in the clockwise
direction to close.
H. All gearing and bearings shall be grease lubricated and suitable for year-round service
based on prevailing ambient temperature conditions.
Electric motors shall be specifically designed for designed for valve actuator service, and
shall be totally enclosed, nonventilated. The enclosure shall meet Nema 4
(weatherproof), Nema 6 (submersible), or Nema 7 (explosion proof), as required for the
project. Motor shall be capable of operation under maximum specified loads when the
voltage to the motor is +/- 10% of the nominal voltage of 460 VAC, 3 phase, 60 Hz. Motor
shall have Class F insulation with thermal overload sensors imbedded in the motor
windings.
J. Limit switches shall be geared to the drive mechanism and in step with actual valve
position at all times, whether operation is by power or manual mode. Switches shall be
activated by a rotor type design. Contacts shall be silver and have a rating of 10 amps at
120 VAC, a minimum of (3) N.O. and (3) N.C. contacts shall be provided for each direction
of travel. The limit switch gear mechanism shall be enclosed to prevent entrance of
foreign matter or wire entanglement. Use of cams or screws to set switches or designs
requiring battery back-up methods to ensure position control in the event of a power
failure, are unacceptable.
K. The actuator shall include an adjustable torque switch to interrupt the motor power
circuit when an obstruction is encountered in either direction of travel or when torque
seating of valves is required for tight shut off. The torque switch shall have a calibrated
dial for adjustment and have means to ensure maximum actuator rating is not exceeded.
Contacts shall have the same construction and rating as the limit switch. Mechanical
torque springs for load control shall be field replaceable without need of actuator
dismantling or removal of the worm assembly. Torque control designs which do not
employ mechanical torque springs are unacceptable.
L. Local position indication for rising stem multi -turn actuators, a dial window indicator shall
be located on the limit switch compartment cover and labeled 0 to 100% open and
graduated in 5% increments. For remote position indication a 4-20 mA output transmitter
shall be furnished.
M. As a minimum, the actuator shall be furnished with power and control terminal strips,
space heater (25watt), limit switches, torque switches, all housed in a control
compartment meeting Nema 6 (submersible) as specified for the project. The rectangular
enclosure shall have a bonded 0-ring seal and a hinged cover. Cover bolting shall be
captive stainless hex head screws. When built-in controls are specified, they shall be an
integrated modular package, completely wired and be easily removable or replaceable,
as a complete package, by removal of four (4) captive screws. Motor leads and power
supply leads will be terminated to the terminal strips located on the modular control
package. Power supply terminals (5 points minimum) and control supply terminal (48
points minimum) shall be physically isolated from each other to protect against transient
voltages. The terminal strips shall be completely shrouded with a high impact resistant
plastic to avoid accidental terminal contact by personnel. The module is to include a
snubber circuit to provide control voltage protection for switches and electronic modules
for voltage surges. All electrical components of the modular package, such as reversing
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contactor, transformer, etc., shall be unidirectional plug connected to provide easy
removal and replacement without concerns for proper wiring connections. All control
requirements shall be plug-in printed circuit type boards having gold plated contact
connectors. Unless otherwise specified, all PC boards must be temperature rated -40 to
+70-degree C. Ease of replacement or upgrading shall be of paramount consideration.
N. Position control service providing up to 600 starts per hour (3 phase power) with
positioning accuracy to +/- 3.0% dependent on valve operating time shall be included at
a minimum.
O. The comparator circuit shall be a solid-state plug-in PC board to accept a 4-20 mA input
control signal from a position controller and have zero span and deadband adjustment.
The circuit shall provide, as standard, a 4-20 mA output signal for remote position
indication. Both input and output signals shall be optically isolated. The circuit shall
include a jumper selectable setting to Remain -In -Last Position or Close on Loss of control
signal. Failure or removal of the positioning card shall not prevent local pushbutton
control of the actuator.
P. A reversing contactor shall be provided. Control voltage shall be 120 volts, 60 hz. N.O.
seal -in contacts for momentary contact pushbutton control and N.C. contacts for
electrical interlock shall be supplied. The contactor shall be both electrically and
mechanically interlocked. It shall be completely wired as an assembly and plug connected
to the modular package.
Q. A control power transformer shall be provided integral to the unit. The transformer
assembly shall provide 120, 18 and 12 VAC. It shall be epoxy impregnated and
encapsulated to prevent moisture incursion and shall be completely wired as an assembly
and plug connected to the modular package.
R. Each actuator shall be supplied with open -stop -close pushbuttons furnished integrally
mounted. Pushbuttons shall be double O-ring sealed and include a protective silicone
boot. Seal material shall be resistant to ozone and ultraviolet light. When integrally
mounted pushbuttons are specified, the design shall permit operation of the buttons
when the electrical enclosure cover is open.
S. The actuator shall include two (2) long life high intensity LED type pilot lights to indicate
open, closed and intermediate valve position (both lights on). Red shall indicate valve
open and green shall indicate valve closed.
T. The actuator shall include a 3-position selector switch, for local (hand) -off -remote (auto)
control. The switch shall be padlockable in any position.
2.04. PRESSURE INDICATING TRANSMITTERS
A. Gauge pressure transmitters shall be of the capacitance type with a process -isolated
diaphragm with silicone oil fill, microprocessor -based "smart" electronics, and a field
adjustable 30:1 input range. Span and zero shall be continuously adjustable externally
over the entire range. Span and zero adjustments shall be capable of being disabled
internally. Transmitters shall be NEMA 4X weatherproof and corrosion resistant
construction with low -copper aluminum body and 316 stainless steel process wetted
parts. Accuracy, including nonlinearity, hysteresis and repeatability errors shall be +/-0.10
percent of calibrated span, zero based. The maximum zero elevation and maximum zero
suppression shall be adjustable to anywhere within sensor limits. Output shall be linear
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isolated 4-20 milli -amperes 24 Vdc. Power supply shall be 24 Vdc, two wire design. Each
transmitter shall be furnished with a 4-digit LCD indicator capable of displaying
engineering units or milli -amps (user selectable via handheld programmer) and mounting
hardware as required. Overload capacity shall be rated at a minimum of 25 mpa.
Environmental limits shall be -40 to 85 degrees Celsius at 0-100% relative humidity. Each
transmitter shall have a stainless steel tag with calibration data attached to body.
B. The capacitance pressure sensor shall be mechanically, electrically, and thermally isolated
from the process and the environment, shall include an integral temperature
compensation sensor, and shall provide a digital signal to the transmitter's electronics for
further processing. Factory set correction coefficients shall be stored in the sensor's non-
volatile memory for correction and linearization of the sensor output in the electronics
section. The electronics section shall correct the digital signal from the sensor and
convert it into a 4-20 mA analog signal for transmission to receiving devices. The
electronics section shall contain configuration parameters and diagnostic data in non-
volatile EEPROM memory and shall be capable of communicating, via a digital signal
superimposed on the 4-20 mA output signal, with a remote interface device. Output signal
damping shall be provided, with an adjustable time constant of 0-30 seconds.
C. Pressure indicating transmitters shall be by Rosemount Inc., ABB, Endress & Hauser, or an
ENGINEER approved equal.
D. All pressure indicating transmitters shall be by the same manufacturer.
2.05. DIFFERENTIAL PRESSURE INDICATING TRANSMITTERS
A. Differential pressure indicating transmitters shall be the same as the gauge pressure
transmitters except for body specifications. Differential pressure units shall be furnished
with close coupled stainless steel three valve manifold assembly.
B. The electronics sections of differential pressure transmitters shall contain user -selectable
square root extractors to provide a linear 4-20 mA DC flow signal output, when activated.
Square root extractor circuitry shall be activated on the flow transmitters.
C. Differential pressure indicating transmitters shall be capable of detecting line breaks in
the proposed spray irrigation system.
D. Differential pressure indicating transmitters shall be by Rosemount Inc., ABB, Endress &
Hauser, or an ENGINEER approved equal.
2.06. RAIN SENSOR
A. The rain sensor shall be capable of interrupting the power from the irrigation controller
to the pumps when rainfall exceeds a pre -selected amount.
B. The rain sensor circuitry shall be housed in an UV and corrosion resistant plastic casing
and shall utilize 2 sets of hygroscopic disks to activate switches in the unit. One switch will
be for the total rainfall compensation unit and the other for the Quick Response unit. The
Quick Response unit will turn off the irrigation system within 5 minutes of the onset of
precipitation, depending on the intensity.
C. The sensor shall be adjustable by turning a plastic collar on the device that regulates an
opening, thus varying the rate of evaporation from the disks.
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D. The sensor shall have mounting options that allow installation on a rain gutter, on
conduit, with a telescoping extension to bring the unit away from an eave, or on a a flat
vertical surface.
E. The sensor shall be installed in accordance with the manufacturer's published
instructions. The sensor shall carry a conditional five-year exchange warranty. The rain
sensor shall be the manufactured by Hunter Industries Incorporated, Rainbird, Toro or
equal.
2.07. ELECTROMAGNETIC FLOW METERS
A. General
1. Service and Support
a. Supplier must have flow calibration laboratories and personnel to perform testing
and certify calibration. Personnel must also provide instruction or training as
required assuring meters are supported and maintained throughout the
guarantee period.
2. Volumetric Testing
a. Volumetric testing of all meters must be performed and approved prior to
shipment. The complete meter assembly and signal converter must be wet
accuracy tested and calibrated. The test facility must be rigorously traceable to
an accuracy of ±0.15% with the National Institute of Standards and Technology.
If desired, the test shall be witnessed by the customer or their selected agent. A
copy of the certified accuracy test record must be furnished.
B. The CONTRACTOR shall provide and install 12-inch electromagnetic flow meters, as
shown on the Plans, which shall be by ABB, Rosemount, Endress & Hauser, or ENGINEER
approved equal. All provided electromagnetic flow meters shall be by the same
manufacturer. The 12" electromagnetic flow meter shall be suitable for measuring
reclaimed water (treated wastewater) flowing through a 12" ductile iron pressurized
pipeline.
C. The meters shall be based on Faraday's Law of Electromagnetic Induction producing a
voltage linearly proportional to the average flow rate. Each magnetic flow meter shall be
microprocessor based and utilize DC bipolar pulsed coil excitation, automatically re -
zeroing after every cycle.
D. The 12-inch meter shall be equipped with a sealed housing rated for 150 psi working
pressure. The meter shall be a 12-inch magnetic flow meter, each with a digital indicator
having a range of 0 to 2,000 gpm, and shall be equipped with a minimum 8-digit digital
totalizer reading in units of gpm and shall be accurate within 0.25% of actual flow. The
meter assembly shall operate within a range of 0.1 ft/s to 30 ft/s.
E. Meter Tube (Sensor)
1. The meter tube shall be fabricated of stainless -steel pipe with ANSI B16.5 Class 150RF
Type flanges.
2. The insulating liner material of the metering tube (detector) shall be made of a hard
rubber elastomer and NSF -listed for meter sizes 4" and above, in conformance with
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manufacturer's recommendation for the intended service or an NSF -listed meter
option with PTFE liner.
3. Meter tubes shall have a constant nominal inside diameter offering no obstruction to
the flow.
4. Electrodes shall be Alloy C.
F. Signal Converter
1. The signal converter shall be pulsed DC coil excitation type with auto zeroing. The
converter shall indicate direction of flow and provide a flow rate indication and a
totalization of flow volume for both forward and reverse directions. Both forward
and reverse totalizers shall be electronically resettable. The converter shall provide
an isolated 4-20mA output into 800-ohm load, and a frequency output of a maximum
of 1,250Hz and a scaled pulse output. The microprocessor -based signal converter
shall have a self -diagnostic test mode and a backlit display that continuously displays
"rate of flow" and "total volume". The signal converter configuration parameters
shall be lockout protected, but can be changed via the front panel keypad. The
converter shall be integrally mounted or remotely mounted up to 200/ft. from sensor,
and shall be supplied in a sealed IP66/NEMA 4X rated enclosure. Calibration will be
completed at the manufacturer's location in accordance with customer -supplied
application -based requirements.
G. Grounding Rings
1. Grounding rings shall be 316-stainless steel and shall be supplied with the meter tube.
H. Operational Characteristics
1. The meter shall transmit a signal that is capable of being interpreted by the Town of
Mount Olive's SCADA system, to be installed during this project. CONTRACTOR shall
coordinate with SCADA system supplier to ensure compatibility of electromagnetic
flowmeter with SCADA system.
I. For the 12" electromagnetic flow meter, provide a minimum of 5 pipe diameters of
unobstructed piping upstream of the meter and a minimum of 3 pipe diameters of
unobstructed piping downstream of the meter.
J. The CONTRACTOR shall install the electromagnetic flow meter in accordance with
manufacturer's recommendations.
K. Reclaim water force main shall be installed so as to ensure pipe full flow at the meter
location.
2.08. PARSHALL FLUMES
A. Parshall flume liners shall be full-length, molded fiberglass -reinforced polyester. Parshall
flume liners shall be furnished with throat width as indicated on the Drawings. The
interior dimensions of the flume shall conform to that shown in the latest revision of the
U.S. Department of Interior Bureau of Reclamation, Water Measurement Manual. The
flume liner shall be fabricated in one-piece from polyester plastic resin, reinforced by
glass mat not less than 30 percent by weight. The thickness of the walls shall be 1/4-inch
minimum. Locking clips shall be so designed to be an integral part of the liner and of
sufficient number to ensure permanent alignment. Temporary bracing shall be provided
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to assure maintenance of dimensions during shipment and installation. Flume liner shall
have a staff gauge graduated in feet with 50 divisions per foot attached to inside wall of
the flume. The mechanical properties of the laminate used in the manufacture of the
Parshall flume liner shall conform to industry standard of the suppliers named below.
B. Material Requirements: Fiberglass Reinforced Plastic:
1. Tensile strength (ASTM D638): 12,000 psi
2. Flexural strength (ASTM D790): 22,000 psi
3. Flexural modulus (ASTM D790): 1,000,000 psi
4. Impact, notched, Izod (ASTM D256): 10 ft-lb/inch
5. Barcol hardness (resin -rich surface) (ASTM D2583): 35, minimum, average
6. Temperature limit: 150 degrees F
C. The Parshall flume liners shall be manufactured by Warminster Fiberglass, Open Channel
Flow, Tracom, or an ENGINEER approved equal.
D. Installation:
1. Install products in accordance with manufacturer's instructions
2. Ensure that products are installed plumb and true, free of warp or twist, within
tolerances specified by the manufacturer and as indicated in the contract documents
and Drawings
3. Set flume at proper elevation in accordance with the Drawings
4. Set floor of flume at inlet end level with flow and across flow; set side walls plumb;
set top flanges level on each side
5. Fasten flume securely to prevent flotation or twisting during placement of concrete
6. For flumes larger than 48 inches to be embedded in concrete, contractor to provide
temporary internal bracing
7. Place concrete along sides and bottom of flume to ensure complete filling without
voids and to prevent displacement of the flume; stage pour in alternating lifts with a
maximum lift height of 12 inches; pour concrete in accordance with Section 033000 -
Cast -in -Place Concrete.
PART 3 EXECUTION
3.01. INSTRUMENTATION SYSTEM SUPPLIER
A. Instrumentation and control equipment shall be provided by a single supplier, to the
extent possible, who shall assume complete responsibility for proper operation of the
equipment, including that of coordinating all signals and furnishing all appurtenant
equipment.
B. CONTRACTOR shall verify and coordinate process equipment power supply and voltage,
process equipment control power supply and voltage, compatibility of control signals,
details of equipment installation and interconnection. Coordination shall include
distribution of approved shop drawings to all vendors, and subcontractors, etc., involved
in the control interface.
C. Final connection at instruments and controls provided shall be made by the
instrumentation supplier. This connection shall be coordinated with Electrical Contractor.
D. Miscellaneous parts, devices, or accessory items required for a complete instrument and
control system shall be furnished and installed.
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E. Unless otherwise specified, all control circuits and instruments shall be provided for
operation from a nominal 115V, 60 Hz power source.
F. All power terminals shall be insulated and identified.
G. Unless otherwise specified, instruments shall be solid-state, electronic, using enclosures
to suit conditions. Field -mounted devices shall be rugged and mounted on walls or pipe
stanchions.
H. All printed circuit boards shall be cleaned, baked, and coated with a polyurethane and
polyethylene conformal, or epoxy coating to immunize against effects of moisture and
vibration.
I. Unless otherwise specified, electronic transmission signals shall be 4-20 MADC. Internal
instrument signals may be different, and may be as manufacturer's standard. All analog
transmitters shall be capable of handling 600 ohms load. The input impedance of
receiving instruments shall not exceed 500 ohms.
J. Surge protection for all 115V power inputs and all 4-20 MADC output signals shall be
provided.
K. Where elements and transmitters are required, they shall be fully matched and special
cables or equipment shall be supplied by the manufacturer. Wiring between sensor and
transmitter shall be installed and connections made by the instrumentation supplier.
L. Special care shall be observed during delivery, distribution, and storage of the materials
to prevent damage. Storage of instrumentation and control equipment, prior to use, shall
be in accordance with the following requirements:
1. Equipment shall be stored in a weatherproof building away from any exposure to
adverse weather conditions or corrosive gases or liquids. The place of storage should
be enclosed, preferably with temperature and humidity -controlled atmosphere
allowing no possibility of condensation occurring.
3.02. AS -BUILT DRAWINGS
A. As -built drawings for record purposes shall be provided. The diagrams shall be color
coded showing connections from numbered terminal blocks to external equipment.
Unless otherwise shown or specified, all equipment shall be installed in accordance with
the manufacturer's drawings and instructions.
3.03. FIELD TESTING
A. All equipment shall be factory and field tested to demonstrate that it provides the
specified functions. Such services shall be provided through the successful installation
and operation of all instruments and controls as approved by the ENGINEER. A minimum
of 8 hours of field training shall be provided by factory approved representative.
3.04. SPARE PARTS
A. The CONTRACTOR shall furnish one year's supply of recommended lubricants, all required
special tools and all spare parts recommended by the manufacturer of each piece of
equipment.
END OF SECTION
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