PROJECT DRAWINGS AND SPECIFICATIONS

EXHIBIT – A

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S:\Private\EC&D\Engineering\SOW\2020\21-2020-A – Pyle Lane SPS Rehab\Exhibits

EXCELLENCE – INTEGRITY – COMMUNITY

PROJECT DRAWINGS AND SPECIFICATIONS

REHABILITATE / UPGRADE PYLE LANE

SEWAGE PUMPING STATION

HWEA SCOPE OF WORK # 21-2020-A

June 2021

Owner / Engineer:

HOPKINSVILLE WATER ENVIRONMENT AUTHORITY 401 East Ninth Street / PO Box 628

Hopkinsville, Kentucky 42241-0628 www.hwea-ky.com

http://www.hwea-ky.com/

EXHIBIT – B HWEA Scope of Work Project # 21-2020-A

General Notes ____________

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PROJECT DRAWINGS AND SPECIFICATIONS HWEA SCOPE OF WORK PROJECT # 21-2020-A June 2021

GENERAL NOTES

Miscellaneous Notes: 1. All construction materials and methods provided on this project shall conform to the

following documents:

A. the HWEA Standards Manual, B. all Permits required for the construction of the project, C. approved Shop Drawings, D. and any Specifications or Special Provisions that may be assigned to this project. Should circumstances exist where the construction materials and/or methods are not specifically referenced, the Contractor shall adhere to decisions made by the by the Owner.

2. It shall be the Contractor’s responsibility to incorporate all applicable drawings and the

appropriate specifications as a unit. Any omissions, deletions, or conflicts arising as a result of failure to incorporate all drawings and specifications which apply shall be corrected by the Contractor at no added cost to the Owner.

3. Efforts have been made to indicate the most accurate locations of existing structures,

piping, and utilities. The Contractor shall familiarize himself with the site, and notify the Owner of any discrepancies between information depicted by the drawings and actual field conditions, which would alter the design intent of the drawings plans prior to commencing the construction operations.

4. Prior to excavation, the Contractor shall contact Kentucky BUD (811), and any other

applicable utility agency which may have underground utilities on, or contiguous to, the project site. Note that Kentucky BUD requires a 48-hour notice.

5. The Contractor shall excavate (by hand within 6” of the utility) and locate, for physical

reference, under the supervision of a service person from the respective utility, any existing utility that crosses or is adjacent to the pipeline construction. The Contractor will be responsible for contacting the respective utilities 72-hours prior to excavation to develop a timely and coordinated utility location plan. Utility agencies not wishing to witness the excavation will need to state so in a written waiver and provide such to the Contractor. The Contractor shall provide the Owner with a copy of the utility location plan accompanied by any utility agency waivers 48-hours prior to location. NO PAYMENT ALLOWED FOR SEARCH OR EXPLORATION FOR EXISTING UTILITIES.



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6. The location and depth of all existing underground utilities shall be field verified prior to the contractor commencing construction. The Owner is not responsible for the location or depth of existing utilities. The Contractor shall notify the Owner, in writing, of any required modifications immediately.

7. Evident existing underground utilities have been shown in their approximate location(s)

as indicated by the utility owner. All existing underground utilities within the construction areas shall be accurately located by the Contractor prior to construction.

8. Existing easements, property lines, and right-of-way (R/W) lines as depicted on the

drawings were derived from existing field surveys and/or public records, and are not guaranteed to be accurate and all inclusive.

9. Generally, the limits of construction shall be the R/W and easement lines as shown on

the drawings. Any additional Temporary Construction Easements (TCE) required for construction shall be acquired by the Contractor at no additional expense to the Owner prior to any construction operations.

10. Dimensions and locations of existing structures are approximate. All necessary

dimensions and elevations of existing structures and topography shall be verified by the Contractor in the field prior to his construction operations.

11. The Contractor shall comply with all Occupational Safety and Health Administration

(OSHA) regulations that apply to work associated with this project. The Contractor shall submit a Safety Plan describing how the work will be completed as well as confined space entry methods. The Safety Plan shall be reviewed and approved by the HWEA Safety Officer prior to the commencement of work.

12. The Contractor shall comply with all Environmental Protection Agency (EPA) regulations

which apply to the work associated with this project. 13. The Contractor shall comply with all traffic control and safety rules required by the

Manual of Uniform Traffic Control Devices (MUTCD), the KYTC, and local governing agencies. The contractor shall provide highway construction signage in accordance with Kentucky Transportation Cabinet (KYTC) guidelines, KRS.189.337.

14. The Contractor shall provide and install barricades to prevent highway vehicles and

pedestrians from entering open excavations. Barriers are to be removed upon the completion of the contracted work.

15. The Contractor shall provide written notification to the Owner, five (5) working days prior

to beginning construction. 16. The Contractor is responsible for managing storm water runoff and erosion during

construction as required by ordinances set forth by the City of Hopkinsville and any other responsible agencies.



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17. Resident inspection / observation shall be provided by the Owner. No trenches shall be backfilled until the Owner has verified the grade and alignment of the pipeline or related appurtenances.

18. All work shall be completed to the Owner’s satisfaction. All methods and installations

shall be completed in accordance with the contract documents and coordinated with the Owner to ensure a timely and professional job. All work and materials provided by the Contractor under the contract shall be warranted for a period of (1) one year from the date of final acceptance at contract completion.

Sanitary Sewer Utility Notes: 1. The field layout of the work shall be the responsibility of the Contractor. 2. All PVC gravity sewer pipe, 4 inch through 15-inch diameter, supplied for use on this

project shall be type PSM Polyvinyl Chloride (PVC) Sewer Pipe as specified per ASTM D 3034. All ductile iron pipe, 4 inch through 15 inch, supplied for use on this project shall comply with the provisions of ANSI/ASTM A746. All ductile iron pipe and fittings for gravity sewer service shall have bituminous coating on the outside according to ANSI/AWWA C151/A21.51-81 for pipe and ANSI/AWWA C110/A21.10-82 for fittings. All ductile iron pipe and fittings for gravity sewer service shall be cement mortar lined with a seal coat according to ANSI/AWWA C104/A21.4-80.

3. The interior of the pipe shall be cleaned of all dirt, jointing material, and superfluous

material of every description. Upon completion, the Contractor shall thoroughly flush all manholes and pipelines taking care not to flush the foreign matter into the downstream collection system of the Owner. Flushed water shall be screened to remove all foreign debris that could be detrimental to Owner's pumping equipment.

4. Pipe crossings of all proposed and/or existing driving surfaces shall be backfilled with

#57 crushed stone to the top of the trench surface. The crushed stone shall be mechanically compacted in 6-inch lifts to 95% density at optimum moisture content.

5. Debris, frozen material, organic material or other unstable materials shall not be used for

final backfill.

6. No sewage shall be discharged to streams, ditches, or on the ground. It will be the Contractor’s responsibility to provide all pumps, hoses, labor, and equipment necessary to bypass manholes or sections of line that are open for any reason.

7. Any bypass pumping required to perform this work shall be the sole responsibility of the Contractor. Bypass pumping is not a separate pay item.

Sewer Pumping Station General Notes: 1. Contractor to install pumps, install electrical components, and install control panels per

the Manufacturer’s instructions.



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2. All anchor bolts and hardware shall be 304 stainless steel. 3. All wall penetrations of new piping shall be made with GPT Link Seal ® wall penetration

seals. 4. The wet well and the valve vault shall be clean and free of debris, dirt and water at the

time of final inspection. 5. Discharge piping in the wet well and valve vault shall be flanged ductile iron – pressure

class 350. 6. The proposed 4” drain from the proposed valve vault to the existing wet well shall be DI

pipe. The Contractor shall furnish and install a 4” DI MJ gate valve in the mid- point of the pipe. The drain shall have 6” of fall from the proposed valve vault to the existing Wetwell.

7. The Contractor will be required to install 50’ x 50’ security fence and 12’ double hinged

swing gates. 8. All areas within the perimeter of the proposed security fence shall receive 6” of DGA,

compacted in place. Additionally, the “drive approach” from the proposed 12’ gates to the existing paving section shall receive 6” of DGA at locations per the Owner.

9. The Contractor shall furnish and install direct taps on each discharge pipe in the valve

vault. Each assembly shall also include brass piping, a brass ball valve, a stainless steel quick connect, and a liquid filled pressure gauge.

10. Electrical Panel – The Contractor shall furnish and install explosion proof soft starts with

level controller, transducer with PVC and backup floats (in separate conduits). Pump cable junction boxes shall be located underneath the Control Panel for easy access.

11. The interior piping in the wet well and the valve vault shall be coated with 3M ®

Scotchkote Liquid Epoxy 323. 12. All grout used on the project shall be non-shrink grout. 13. The Contractor shall verify the sizes of the proposed access hatch in the wet well to

confirm there is adequate clearance to install and remove the sewage pumps. 14. No “meg-a-lug” fittings will be allowed in the wet well. All DI pipe in the wet well and valve

vault shall be flanged fittings. 15. Gate valves shall be manufactured by Mueller ®. 16. The Contractor will be required to furnish and install a “line stop” in the existing sewer

force main to prevent return flow.



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17. The Contractor will be required to furnish and install all equipment and construction materials to bypass the wastewater flows for the duration of the rehabilitation project.

Electrical Notes: 1. The drawings are diagrammatic and indicate the general design and arrangement of the

proposed work. The Contractor shall not scale drawings for the exact location of equipment and work. The exact location of all panels and equipent to be confirmed by the Owner. The Contractor shall verify all existing and proposed work to insure proper installation before fabricating and installing any work.

2. All wiring shall be type THHN/THWN (90° C.) copper conductors.

3. Provide color coded wire and with a different color for each phase and neutral and ground as follows: 120/240 volt circuits – phases A and B: black and red respectively; neutral: white; ground: green. Aproved color tape is acceptable for feeders. Provide color coded wire for control circuits.

4. All conduit shall be aluminum rigid metal except where noted otherwise on the drawings and specified herein.

5. Where rigid conduit is used in concrete slabs or underground applications, the Contractor, at his option, may use Schedule 80 PVC rigid plastic conduit as manufactured by Carlon or equal, with ground wire as required by code. All conduit turnups out of slabs, shall be made with standard or prefabricated aluminum elbows.

6. Feeder cables shall be spliced only at tap points as indicated on the drawings.

7. Panelboards shall be factory assembled, dead front type with copper bus, lugs, NEMA 1, 3R, or 12 enclosure and bolt-on thermal-magnetic molded case circuit breakers of frame and trip ratings shown on the plans as manufacured by Square D, Eaton, or approved equal.

8. Panelboards, power panels, safety switches, and other electrical equipment shall be equipped with engraved laminated plates securely mounted with screws.

9. Panelboards shall be labeled per the drawing identifying the branch circuits. All starters, ciruit breakers, and disconnect switches, etc. shall identify the load being fed.

10. The Contractor shall remove all existing materials and equipment made obsolete by, and interfering with the additions, alterations, or razing as shown on the plans and specified, maintan such existing equipment and materials intact and in existing condition insofar as possible.

11. All electrical installation shall be made in accordance with the National Electrical Code and Supplements. All material shall bear underwriter’s official labels where such labeling is customary.



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12. The Contractor shall be responsible for obtaining and coordination of required electrical

inspections and any fees and charges associated with the inspections.

13. The Contractor shall, at his own expense, procure all permits, certificates and license required of him by law for the execution of his work. He shall comply with all federal, state, and local laws, ordinances, or rules and any regulations relating to the performance of the work.

14. All conduits shall have installed a green equipment grounding conductor which shall be attached to all fixtures, panels, devices, etc.

15. All circuits shall be installed with separate full size neutrals.

16. The Contractor shall warranty all workmanship and materials for a period of one year after final acceptance by the Owner.

17. The Contractor shall visit the job site prior to bid date to determine actual conditions under which work shall be done, to familiarize oneself with the project, and to verify total scope of work required. Failure to do so shall not constitute reason for extra charge.

END OF DOCUMENT

EXHIBIT – C HWEA STANDARD SPECIFICATIONS FOR SEWAGE PUMPING STATIONS

AND RELATED APPURTENANCES July 2020

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S:\Private\EC&D\Engr\SOW\2020\21-2020-A – Pyle Lane SPS Rehab\Exhibits


STANDARD SPECIFICATIONS For

SEWAGE PUMPING STATIONS AND RELATED APPURTENANCES 1. Scope and Construction Documents The work under these Specifications consists of furnishing all labor, equipment and materials necessary to construct a new submersible Sewage Pumping Station (SPS) together with all appurtenances as shown on the Construction Plans, described in these Standard Specifications and described in the Shop Drawings approved by the Design Engineer and the HWEA. Where the phrase “Construction Documents” is referenced in these Standard Specifications, the reference shall be to the following documents:

A. the HWEA Standards Manual B. these Standard Specifications C. the Kentucky Division of Water and HWEA approved Construction Plans D. Shop Drawings approved by the Engineer and the HWEA E. the KYDOW approval letter

In instances where there is a discrepancy between any of the aforementioned documents, the Engineers and the HWEA’s decision(s) shall apply.

2. Excavation and Embankment Excavation and embankment shall be in accordance with the Construction Documents. 3. Gravity Sanitary Sewers, Sewer Force Mains and Fittings The Contractor shall construct the gravity sanitary sewers and sewer force mains from the locations shown on the Construction Plans to the Sewer Pumping Station structures. Gravity sanitary sewers and the sewer force main shall be constructed in locations identified on the Construction Plans. The on-site sewer force main and gravity sanitary sewers shall be constructed in accordance with the Construction Documents. 4. Piping, Fittings and Valves

A. General Sewer pumping station piping shall be installed as shown on the Construction



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Plans. The Valve Vault shall be equipped with at least one (1) gate valve and one (1) check valve on the discharge side of each pump.

B. Piping The suction piping, the piping furnished by the pumping station manufacturer and the discharge piping to a point approximately 2'-0" outside the station shall be flanged ductile iron pipe.

Flanged ductile iron pipe shall be thickness Class 53, with ANSI Class 350,125 lb. flanges. All ductile iron pipe shall be furnished with the manufacturer's standard cement lining inside in compliance with the latest revision of ANSI Specification A21.4. A seal coat of asphaltic material, approximately 1 mil thick, shall be shop applied to the cement lining in accordance with the pipe manufacturer's standard practice.

All ductile iron piping, in addition to cement lining and an asphaltic seal coat inside, shall be epoxy coated outside.

C. Fittings Fittings shall be ANSI Class 350, 125 lb. flanged cast iron or ductile iron conforming to the requirements of the latest revision of ANSI Specification A21.10. The inside of all fittings shall be cement lined and sealed with a 1 mil coat of asphaltic material in accordance with the manufacturer's standard practice. Where required hereinbefore the outside shall be epoxy coated. Compact fittings will be allowed.

D. Valves General - Valves inside the structures shall be painted (shop coated) by the manufacturer and other valves shall be coated outside with the epoxy coating in accordance with AWWA Standards.

Gate Valves in Valve Vaults – Gate valves of the sizes, classes, and types required shall be furnished as shown on the Construction Plans. Gate valves shall be cast iron body. Gate valves shall conform to the latest revision of AWWA C515 or C509; as extended and modified herein. Gate valves shall be suitable for 350 PSIG maximum working pressure unless otherwise noted and shall be hydrostatically tested at double their working pressure. Gate valves shall be equipped with handwheel operators and shall open by turning to the left (counter-clockwise). Gate valves shall be Mueller ® 2360 Series Resilient Wedge Gate Valves – FL x FL.



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Non-Rising Stem Valves (NRS) - Non-rising stem gate valves shall be cast iron body, bronze mounted in accordance with standard practice with "O"-ring stem seals. Non-rising stem valves shall be Mueller ® NRS.

Operators - Valve operators should be as indicated on the Construction Plans.

Check Valves (Swing Type Lever and Weight) - Swing type lever check valves shall be iron body, bronze mounted with seat rings, faces and hinge pins suitable for operation in horizontal or vertical lines. Operation shall be by means of an outside lever and adjustable weight. Swing check valves shall be as manufactured by Mueller ®.Swing Type Lever and Weight Valves – FL x FL with optional stainless-steel nuts and bolts.

Gate Valves in Drain Line – Gate valves of the sizes, classes, and types required shall be furnished as shown on the Construction Plans. Gate valves shall be cast iron body. Gate valves shall conform to the latest revision of AWWA C515 or C509; as extended and modified herein. Gate valves shall be suitable for 350 PSIG maximum working pressure unless otherwise noted and shall be hydrostatically tested at double their working pressure. Gate valves shall be equipped with 2” square operating nut, slide type valve box with cover, 2’ x 2’ square concrete anchor pad, and shall open by turning to the left (counter-clockwise). Gate valves in drain lines shall be Mueller ® 2300 Series Resilient Wedge Gate Valves – MJ x MJ.

5. SPS Precast Reinforced Concrete Structures (Wetwell + Valve Vault) The pumping station manhole shall consist of a precast concrete manhole installed on a concrete base of the size as shown on the Construction Plans. Structural design of precast concrete bases, barrel sections, top slab, and other components shall be designed by a Professional Engineer (PE) in the State of Kentucky. 6. Submersible Pumps and Pumping Station Construction

A. General The SPS is to be constructed using submersible pumps and other related facilities as depicted on the Construction Plans and specified herein. The valves for controlling the submersible pumps shall be located in a reinforced concrete valve vault complete with drain line as shown on the Construction Plans.

B. General Pump Requirements The pumping station shall be equipped with complete dual pumping units including two (2) pumps, each having the design capacity as set forth in the



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following paragraph. The submersible pumps shall have a semi open, multi van, self-cleaning impeller designed to transport wastewater with fibrous materials like wet wipes and shall be complete with a submersible electric motor. The hydraulic of the pump shall be capable of handling raw domestic wastewater and storm water with fibrous materials like wet wipes.

The pumps shall be fitted with a stainless-steel chain for each pump, of adequate strength and length to permit raising the pump for inspection and removal.

The stator casing, oil casing and impeller shall be wear resistant and made of high chromium cast iron with at least 24% chrome against sand and grit. All parts coming in contact with sewage to be protected by a coat of rubber-asphalt paint. Impellers that have surface hardening (by thermal, coating, etc.) will not be allowed. All external bolts and nuts shall be stainless steel. The wear ring between impeller and pump housing shall be of stainless steel or bronze with vitrile rubber O-ring or neoprene O-ring at the inlet of the pump. The impeller shall be of non-clog design, capable of passing solids, fibrous material, and heavy sludge. The impeller blades shall be self-cleaning upon each rotation as they pass across a sharp relief groove in the insert ring and shall keep the impeller blades clear of debris. The insert ring shall have a guide pin which moves axially upwards to allow larger debris to pass through and immediately return to normal operating position. The clearance between the insert ring and the impeller leading edges shall be adjustable.

Each pump shall be provided with a tandem double mechanical seal running in an oil reservoir, composed of two separate lapped face seals, each consisting of one stationary and one rotating ring with each pair held in contact by a separate spring. The lower seal shall be tungsten carbide on tungsten carbide or silicon carbide on silicon carbide. The upper seal shall be either tungsten carbide, silicon carbide or tool steel on carbon. The compression spring shall be protected against exposure to the pumped liquid.

The pumped liquid shall be sealed from the oil reservoir by one face seal and the oil reservoir from the motor chamber by the other. The seals shall require neither maintenance nor adjustment, and shall be easily replaced.

Seal failure detection shall be provided and wired to an indicator light in the control panel.

The cable entry shall consist of a single cylindrical elastomer grommet, flanked by washers, all having a close tolerance fit against the cable outside diameter and the entry inside diameter and compressed by the body containing a strain



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relief function, separate from the function of sealing the cable. The assembly shall provide ease of changing the cable when necessary using the same entry seal. The cable entry junction chamber and motor shall be separated by a stator lead sealing gland or terminal board, which shall isolate the interior from foreign material gaining access through the pump top.

The pump shall be supported by a discharge base elbow with clean out and flush connections. The discharge base shall support the full weight of the pump and motor.

The constant speed motors shall be as specified in the Shop Drawings.

C. Pump Characteristics Each submersible pumping station shall be furnished with two (2) submersible sewage pumps meeting the following criteria:

(The Engineer shall provide the following information on the Construction Plans)

Existing Proposed

Design Capacity - 90 GPM 115 GPM

Static Head - 65.8 feet ___ feet

Design Total Dynamic Head - 36 feet 65.8 feet

Minimum Shutoff Head - 29 feet 98 feet

Maximum Speed - ___ rpm 3445 rpm

Horsepower - 3 hp 4 hp Discharge Pipe Size - 4 inch 3 inch Minimum Efficiency - ___ percent ___ percent

Discharge Type - Sliding Bracket Sliding Bracket

Power Available - 230/460 V, 3 Ø, __wire 230/460 V, 3Ø



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A Flygt Model # NP3085 submersible wastewater pump meets the above requirements using a 125mm impeller. The control level settings are shown on the Construction Plans.

Submersible wastewater pumps shall be Flygt ®.

D. Guide Rails Lower guide holders shall be an integral part of the discharge connection. Guide rails shall be of 316 stainless steel pipe a minimum of two inches in diameter.

E. Shop Drawings

The Contractor shall furnish two (2) hard copies and one (1) digital copy of complete Shop Drawings, descriptive drawings and bulletins with characteristic performance curves showing the operation of the equipment under the conditions set forth hereinafter and shown on the Construction Plans for approval. These documents shall be approved by the Engineer and the HWEA prior to pump fabrication and shipment. Any work which the Contractor may do or request be done on the equipment prior to the Engineer's and/or HWEA’s approval of such Shop Drawings, descriptive drawings and bulletins, and performance curves shall be at his own risk. Neither the Engineer nor the HWEA will be held responsible for any expenses incurred by the Contractor in equipment changes in order to conform to the KYDOW and HWEA approved Construction Plans.

Shop Drawing data to be submitted shall include but not be limited to the

following:

1. The system head curve showing the performance and horsepower requirements for the pump

2. Details of the construction of the pump

3. Detailed motor and impeller information

4. NEMA 4X Control Panel (Hoffman)

5. Level Control System (Floats and Transducers required)

6. Valves

7. Stainless Steel Rail System



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F. Pressure Gauges

The pump station shall be provided with two glycerin-filled pressure gauges complete with shut-off valve, stainless steel quick connects, and isolation dampener mounted as shown on the Construction Plans. The gauges shall have a graduated scale reading from 0 PSI to 100 PSI. The gauges shall be at least 4-inches in diameter and shall be equipped with a red lag hand to show the maximum head reached at any time. All piping for gauges shall be stainless steel. Gauges shall be as manufactured by Ashcroft.

G. Shop Tests

The pumps shall be fully tested at the manufacturer's production facility before shipment, at its rated speed, capacity and head and at such other conditions of head and capacity to establish properly that it has met all guarantees on the characteristic curves. Two (2) certified copies of the results of these tests shall be sent to the Engineer and two (2) certified copies of the results shall be sent to the HWEA. A witnessed pump test is not required.

H. Acceptance Tests

The pumping units will be accepted upon the basis of the certified copies of the Start Up Report. The Start Up Report will be for the purpose of determining if the pumping unit will operate under installed conditions within a reasonable degree of correlation with the Shop Tests. If, in the opinion of the Engineer and/or the HWEA, the Start Up Report does not indicate a close correlation with the Shop Tests, then the Engineer and/or the HWEA will direct that a complete Start Up procedures be made under the standards of the Hydraulic Institute. It will be witnessed by representatives of the Manufacturer, the Engineer, and the HWEA. The results of this complete Start Up Report will then be the final basis of acceptance or non-acceptance of the pumping units. The Manufacturer shall furnish all necessary tools, materials, equipment, and superintendence for the tests.

Any defects in the equipment or failure to meet the guaranteed requirements of

these specifications shall be promptly corrected by the Manufacturer by replacement or otherwise. The decision of the Engineer and/or the HWEA as to whether or not the Manufacturer has fulfilled his obligation shall be final and binding on all parties.

I. Installation, Operating and Maintenance (O+M) Instructions

Installation of the pumps and related appurtenances shall be done in accordance



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with written instructions provided by the manufacturer. These instructions shall be securely attached to and readily visible on the inside of the sewage pumping station control panel.

A conspicuous O+M Maintenance Instructions Chart and Daily Maintenance and

Inspection Records Chart with ample room for recording daily inspections of the pump station shall be securely mounted in the interior of the control panel.

In addition to the O+M Chart, the manufacturer shall further provide three (3)

hard copies and one (1) digital copy of a complete and detailed O+M Manual. This Manual shall cover, in addition to general operating procedures, the operation, maintenance and servicing procedures of the major individual components provided with the sewer pumping station.

J. Final Acceptance Tests

After the SPS has been completely installed, with all appurtenances and is ready for operation, it shall first be checked by a Certified / Trained Representative of the pump manufacturer. At this time, if found necessary, any adjustments shall be made to insure proper operation in all respects. Final adjustment and testing of the equipment shall be carried out by the manufacturer's representative with the Engineer and the HWEA witnessing all testing.

The Manufacturer shall furnish all necessary tools, materials, equipment and

supervision for the test. Any defects in the equipment or failure to meet the guaranteed requirements of

these Detailed Specifications shall be promptly corrected by the Contractor by replacement or otherwise. The decision of the HWEA as to whether or not the Contractor has fulfilled his obligations shall be final and binding on all parties.

Two (2) hard copies and one (1) digital copy of the sewer pumping station Start

Up Report shall be submitted to the Engineer and the HWEA for review and approval.

K. Guarantee

The pump manufacturer shall warrant the pumps being supplied to the Owner against defects in workmanship and materials for five (5) years under normal use, operation and service. The manufacturer shall guarantee clog-free operation for a period of 12 months from the date of start-up of the pumps by the local authorized factory representative. A certificate shall be provided to the Owner on the day of start up with the local contact information and effective date. If the



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impeller clogs during this period, an authorized representative shall travel to the jobsite, remove the pump, clear the obstruction and reinstall the pump at no cost for the owner. The warranty shall be in published form and apply to all similar units.

7. Automatic Pump Control System

A. General The control system shall provide for automatic control of two (2) sewage pumps as called for by variation in level in the wetwell as determined by an adjustable wetwell probe with backup mercury free float switches with break resistant cable.

B. Pump Control Description Pump control equipment shall be mounted in a NEMA 4X stainless steel enclosure. The portion of the cabinet housing the pump control switches shall be separated from the remainder of the control cabinet by a steel lockable cover. The Control Panel shall be manufactured by Quality Controls, Inc. and shall be provided by the pump Manufacturer as part of a complete pumping and control system. The control panel shall be equipped with an opening handle and shall not contain lockdown screws (HWEA standard).

The control panel manufacturer shall supply a transient voltage surge protection device for the 240-volt, three phase, four wire, 60 hertz electrical power supply. The transient voltage surge protection device shall be connected to a 30-amp, 3 pole circuit breaker and shall be Flygt SPP Series in a NEMA 4X Stainless Steel Cabinet.

The control system shall be provided with the following:

Starter with overload protection H-O-A switches for both pumps High-water level alarm lights (Note: visual alarm ONLY), one located in control panel and one suitable for remote mounting Motor seal failure alarm Motor heat sensor system Level control system Main circuit breaker on outside of cabinet Utility circuit breakers Utility outlets Condensation prevention heater Low voltage, phase loss and phase reversal cutouts



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Test push buttons for level control system Elapsed time meter and amp meter for pump Automatic pump alternation

A bar graph level readout controller shall be provided to indicate level in the wetwell. The controller shall provide multiple LED indicators to indicate pump operation, pump faults, alternation sequence, alarm conditions, and all other conditions stated hereinbefore.

A key board shall be mounted onto the dead front door that will program the following:

Pump activation and deactivation points Alternation sequence Time delays for pump on sequence Monitor seal failure and temperature failure Monitoring of critical and non-critical faults Reset all alarm fault indications

The controller unit shall be a Provu Series Model PD6000 as manufactured by

Precision Digital (HWEA Standard).

C. Level Detection Non-fouling wastewater level detection for controlling pump and alarm operation

shall be accomplished by the use of hydrostatic level transmitters and back-up mercury free float type switches with break resistant cable.

Lift station level transmitters shall be Level Rat as manufactured by Keller America, Inc.

The float type level transmitter shall be Expert 7060 by MJK.

D. Electric Wiring The pumping station control cabinet shall be completely wired at the factory in

accordance with National Electrical Code and shall be compatible with the electric service furnished by the local utility. All wiring shall be color coded. A wiring diagram shall be clearly posted in the control cabinet which shall indicate the same color-coded circuits as are employed in the panel.

8. Electric Motors



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A. General

All electrical equipment shall conform to the latest regulations and standards of the American Institute of Electrical Engineers, the American Standards Association, and the National Electrical Manufacturers Association and these Specifications.

The Contractor shall not avail himself of any discrepancy or conflict but shall

report same to the Engineer immediately for a determination. The pump motor shall have routine tests and the efficiency and power factor at

100%, 75% and 50% loading shall be reported with the pump shop drawings. Motor windings shall have a special Class H insulation system with a tough

moisture resistant flexible varnish on each conductor, reliable slot insulation and the ends of coils shall be securely braced. Pump motors shall have a 1.15 service factor. Automatic reset thermal overloads shall be provided. The motor shall have an accurate nameplate firmly attached, which shall give as a minimum: manufacturer, HP, phase, Hz, frame, voltage and amps, rpm, continuous rating, design and S.F. and serial number.

The pump motor shall be designed for continuous operation and shall be of a

high efficiency (87% minimum) and high-power factor (85% minimum or furnish capacitors) design. The pump shall be capable of no less than 30 evenly spaced starts per hour and be able to operate throughout the entire pump performance curve from shut-off through run-out even when the motor is not submerged.

B. Submersible Motor

The submersible pump shall be driven by a completely sealed explosion proof, electric submersible motor. The motor shall be sized to be non-overloading at any point on the pump curve. The motor shall be designed for Class I, Groups C and D, Division I hazardous location as defined by the National Electric Code. The unit shall be U.L. listed.

The motor shaft shall be stainless steel, impervious to liquid and sewage. All

external hardware, including the motor nameplate, shall be stainless. The stator windings shall be insulated with moisture resistant Class H insulation

rated for 180°C (356°F). The stator shall be insulated by the trickle impregnation method using Class H monomer-free polyester resin resulting in a winding fill factor of at least 95%. The motor shall be inverter rated in accordance with



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NEMA MG1, Part 31. The stator shall be heat-shrink fitted into the cast iron stator housing. Oil used must be able to be disposed of as non-hazardous waste .

The motor shall be equipped with double shaft seals to prevent leakage between

the motor and pump. The seals shall consist of two totally independent seal assemblies. The seals shall operate in a lubricant reservoir that hydrodynamically lubricates the lapped seal faces at a constant rate. The materials of construction shall be carbon for the rotating faces and ceramic for the stationary faces, lapped and polished to a tolerance of one light band, with 300 stainless steel hardware, with all elastomer parts of Buna-N.

Protection against excessive temperature shall be provided by a heat sensor

thermostat attached to the stator windings and connected in series with the contractor coil in the control panel.

The cable entry seal design shall preclude specific torque requirements to insure

a watertight and submersible seal. The cable entry shall consist of a single cylindrical elastomer grommet, flanked by washers, all having a close tolerance fit against the cable outside diameter and the entry inside diameter and compressed by the body containing a strain relief function, separate from the function of sealing the cable. The assembly shall provide ease of changing the cable when necessary using the same entry seal.

9. Painting All piping, valves, pump and miscellaneous metals shall be painted as per the following specification. This specification applies to both interior and exterior surfaces. The painting system specified employs the products of the Tnemec Company. Other systems, such as Steelcote, Koppers or equal are also acceptable. All surfaces shall be thoroughly cleaned. Immediately following surface preparation all surfaces shall be primed with one coat of Chem-Prime 37-77 applied to yield a dry coat thickness of 2.5 to 3.5 mils. The finish paint shall be one (1) coat of Hi-Build Epoxyline Series 66 applied to yield a dry coat thickness of 4.0 to 6.0 mils. The Owner will decide colors based upon shop drawing submittals. 10. Miscellaneous Metals for Pumping Stations

A. Fabricated Steel Generally, all connections in fabricated steel miscellaneous metal work shall be

welded. All welding shall be performed in accordance with Code I, Part A, of the



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"Code for Fusion Welding and Gas Cutting in Building Codes of the American Welding Society". In assembling and during welding, the component parts of built-up members shall be supported and held by sufficient clamps and other adequate means to hold the parts in proper relation for welding. All exposed welds shall be ground smooth. Shop drawings of all steel fabrications shall be submitted for review and approval.

Angles, plates, frames, lintels, and miscellaneous structural and bar shapes shall

conform to the Standard Specifications of the American Institute of Steel Construction and ASTM Designation A 36, latest revision.

B. Stainless Steel

All bolts, nuts, turnbuckles, and fabricated work, as shown on the Plans or specified herein, shall be Alloy 316 stainless steel conforming to the requirements of ASTM Designation A 276, latest revision.

11. Access Road & Interior of SPS Lot

A. General The Contractor will be required to furnish and install an all-weather access road

from a developed public R/W to the SPS lot. The access road and SPS lot shall be constructed according to the route and elevation shown on the Construction Plans. The Contractor shall construct all necessary drainage appurtenances as shown on the Construction Plans. The construction and surfacing of all access road and SPS lot on this project shall be in accordance with Kentucky Transportation Cabinet - Department of Highways (KYTC) Specifications.

B. Subgrade

Clearing and excavation for the subgrade for the access road shall be in accordance with KY Transportation Cabinet Specifications. All fill sections shall be placed in layers and compacted by conventional means to at least 95 percent density at optimum moisture content of the fill material's maximum theoretical density as determined by the latest revision of Method A, ASTM Specification D 698.

C. Crushed Stone

Crushed stone for the access roads and the SPS lot shall meet the requirements of Kentucky Department of Highways No. 57 stone, compacted to a minimum depth of six (6) inches.



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12. Fencing (HWEA Standard)

A. General The Contractor shall furnish all labor, materials, equipment and services required

to install fencing as specified herein. The fencing shall be furnished and installed by a manufacturer and supplier who are reputable and qualified in the design, fabrication and installation of fencing in accordance with the best practices and methods. Shop drawings and other items needed to establish compliance with these specifications shall be submitted to the Engineer and the HWEA for review and approval.

B. Products

1. Security Fencing a. General - Fencing shall be woven wire, chain-link type, and shall be 8-feet high overall. Fabric shall be 7-feet with colored vinyl slats.

b. Fittings - All fittings necessary to make a complete installation shall be malleable iron, pressed steel, aluminum or forgings. All ferrous materials shall be thoroughly galvanized by the hot dip method as specified in ASTM A525-81.

c. Corner, Terminal and Pull Post Corner, terminal and pull post shall be hot dipped galvanized inside and outside at a rate of 2.0 oz. per square foot of actual surface area. The 3" outside diameter seamless steel pipe shall weigh 5.79 pounds per foot and extend 3' below ground level. The post shall extend high enough to allow attachment of barbed wire by 3 tension bands equally spaced to give



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a uniform appearance. All posts shall be capped with a heavy malleable iron top, of bullet-type construction, to exclude moisture.

d. Line Posts Line posts shall be 2-1/2" diameter high carbon seamless steel pipe, hot galvanized inside and outside at a rate of 2.0 oz. per square foot of actual surface. The 2-1/2" outside diameter seamless steel pipe shall weigh 3.65 pounds per foot and extend 30 inches below ground level. All line posts shall be capped with a barbed wire extension arm as specified herein.

e. Gate Posts

The posts shall be in conformance with the “Gate Post Schedule” and shall be capped with a heavy malleable iron top, of bullet-type construction to exclude moisture. Gate posts shall be coated inside and outside with hot galvanized at a rate of 2.0 oz. per square foot of actual surface area. Posts shall extend high enough to allow attachment of barbed wire by 3 tension bands equally spaced to give a uniform appearance. Gate Post Schedule is as follows:

f. Rails

Top rails and brace rails shall have a 1-5/8" outside diameter seamless steel tubing, weighing 2.27 lbs. per foot, hot galvanized at a rate of 2.0 oz. per square foot of actual surface area. Rails shall be not less than 20 feet in length joined with extra-long pressed steel sleeved as specified herein.

g. Fabric

The fabric shall be aluminum coated steel to meet ASTM A 491-80 composed of individual wire pickets, helically wound and interwoven from No. 9 gauge steel wire to form a continuous chain link fabric having a 2" mesh. Both the top and bottom edges shall have twist construction. Basic steel wire shall conform to the following:

Carbon .18-.31 Manganese .60-.90 Phosphorous .040 Max. Sulphur .050 Max.



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The aluminum coating weight shall be a minimum of 0.40 oz. per square foot of wire surface. The breaking strength of the aluminum coated wire shall be a minimum of 1,290 ft.-lbs. Privacy slats shall be installed in the fabric with the HWEA designating the color.

h. Gates Swing frames shall be 2" O.D. galvanized seamless steel pipe weighing 2.72 lbs. per foot, corners fitted with rigid watertight heavy malleable iron castings or electrically welded joints. Internal bracing shall be 1-5/8" O.D. galvanized seamless steel pipe weighing 2.27 lbs. per foot.

Gate hinges shall be double clamping offset type allowing gates to swing back parallel with line of fence. They shall be of malleable iron and forged steel heavily galvanized.

Gate latches shall be of the eccentric double locking type which engage the strikes securely bolted to either gate frame or gate frame at both the top and bottom. In case of double gates, latches shall also engage a heavy malleable iron non- freezing gate stop anchored in concrete footing. Latches shall be equipped for locking with padlock. Gates shall installed level and operate smoothly.

Gate keepers shall be furnished with each gate frame to automatically engage gate frame when swung to open position.

i. Chain Link Special Appurtenances (Per ASTM F 626) Each line post shall be equipped with a hot dipped galvanized barbed wire extension arm capable of passing top rail. The arm shall be pressed steel riveted to a malleable iron base at a 45-degree angle carrying three strands of barbed wire.

Brace and tension bands shall be beveled edge type fabricated from pressed steel or aluminum. Steel bands shall be hot dipped galvanized with a minimum of 1.2 oz. of zinc coating per square foot of surface area. Brace bands shall be a minimum of 12 gauge of thickness and a minimum width of 3/4 inch or 19.05 mm. Tension bands shall be a minimum of 14 gauge with a minimum of 3/4 inch or 19.05 mm in width.

All post caps and end rails shall be designed to fit snugly over post and prevent moisture from entering the inside of the tube. Post caps shall be



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fabricated from malleable iron, pressed steel of aluminum. Line post caps shall be designed to allow top rail to pass through. All ferrous materials shall be thoroughly galvanized by the hot dip method with a minimum of 1.2 oz. of zinc per square foot of surface area.

Top rail shall be fabricated from pressed steel or round steel tubing. Sleeve shall be hot dipped galvanized with a minimum of 1.2 oz. of zinc coating per square foot of surface area. The design of the sleeve shall be such that no movement along the rail shall take place upon installation. Tension bars for attached fabric to terminal post shall be a minimum of 3/16 inch thickness by 3/4 inch in width. The length shall be a minimum of 2 inches less than the full height of the chain link fabric. Truss rods shall be a minimum of 5/16 inch in diameter fabricated from merchant quality steel rod and hot dip galvanized with a minimum of 1.2 oz. of zinc coating per square foot of surface area. All rods shall be designed and equipped with a truss tightener. Aluminum ties shall be used for attaching fabric to top rail, brace rails and line post. The aluminum ties shall be 9 gauge round wire of Alloy 1100-H 14 or equal. Carriage bolts shall be hot dip galvanized or aluminum, 5/16" x 1-1/4", with nut and shall be used in conjunction with brace and tension bands. Galvanized bolts and nuts shall be coated in accordance with ASTM A153-80. Larger bolts required at gates and latches shall be galvanized coated in accordance with ASTM A153-80.

C. Execution

1. Site Preparation The location of fence lines, gates, and terminal posts shall be as shown on the construction plans. Prior to construction, the Contractor shall locate and flag all underground utilities in or about the fence construction. Adequate clearing and grading shall be done prior to fence construction. Fence corners shall be set one (1) foot inside the property line.

2. Security Fence Installation

a. Posts All posts shall be set 10 feet or less on centers equally spaced between pull posts in a hole filled with concrete as required in Table 1. All concrete shall be left 2” above grade. Posts shall be accurately lined and plumbed.



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b. Terminal, Gate, Pull and Corner Post Bracing A center rail is required with horizontal braces and truss rods to adjacent line post, securely fastened with adequate adjustment.

c . Top Rail

The top rail shall run through the openings in the line post tops on a continuous grade uniformly parallel with the ground surface. Connection to the corner, gate, terminal and pull posts shall be with brace bands and rail ends. Offset at corners will not be permitted.

d . Fabric Stretching Two stretcher bars shall be threaded through the fabric from top to bottom at a location in the center of the fence section to be stretched. The bars shall be adequately spaced such that when stretched, the installer has room to thread a loose picket link down through the meshing links of the two ends to make a perfect jointing. The stretching shall be done with 2 blocks and when released, the fabric shall be taut along any point of the fence line. The top selvage shall be dressed about the top rail and the fabric secured with tie wire spaced not more than 24" apart and uniformly tied. The fabric shall be fastened to the line post with specified tie wires spacing not more than 14 inches on center uniformly tied.

e. Repair of Galvanized Surfaces Galvanized surfaces damaged by welding or other reasons shall be repaired according to Federal Specification MIL-P- 21035 (Galvanized Repair Spec.) as follows:

Remove foreign matter from both damaged and contiguous undamaged area by wire brushing and cleaning with metal conditioner recommended by cold galvanizing coating manufacturer.

Apply 2 coats of cold galvanized coating to damaged area, ensuring an overlap of the surrounding undamaged galvanizing for continuity of galvanic protection. Cold galvanized coating shall be Z.R.C. Chemical Products Co., AZ.R.C. Cold Galvanizing@ or Galvicon Corp., “Cold Galvanizing”, or equal.

3. Clean-Up The Contractor is responsible for removal of all excess material, earth, etc., due



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to fence construction. Concrete shall be slightly mounted around each post to enhance drainage.

END OF DOCUMENT

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SANITARY SEWER SYSTEM SECTION MAPHOPKINSVILLE WATER ENVIRONMENT AUTHORITY

HWEA - Hopkinsville Utility DivisionFriday, April 09, 2021

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£¤68B

LIMITATION OF LIABILITYThe HWEA has no indication or reason to believe thatthere are any inaccuracies or defects of informationincorporated into this document. The informationcontained in this document concerning the location andpipe diameter of underground utilities is not guaranteedto be accurate or all-inclusive.

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Pyle Lane Sewage Pumping Station

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Hopkinsville Water Environment Authority 401 East 9th St - PO Box 628 Hopkinsville, KY 42241-0628 270-887-4246 www.hwea-ky.com

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EXHIBIT - E-1 Original Design Site Plan 04/09/2021

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Pyle Lane Sewage Pumping Station

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Hopkinsville Water Environment Authority 401 East 9th St - PO Box 628 Hopkinsville, KY 42241-0628 270-887-4246 www.hwea-ky.com

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EXHIBIT - E-2 Original Design Structures and Piping 04/09/2021

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