A12__Combined_Synopsis.pdf

SEE ADDENDUM

(No Collect Calls)

W912P918T0016 14-May-2018

b. TELEPHONE NUMBER

314 331-8384

8. OFFER DUE DATE/LOCAL TIME

12:00 AM 29 May 2018

5. SOLICITATION NUMBER 6. SOLICITATION ISSUE DATE

AUTHORIZED FOR LOCAL REPRODUCTION

PREVIOUS EDITION IS NOT USABLE

STANDARD FORM 1449 (REV. 2/2012)

Prescribed by GSA – FAR (48 CFR) 53.212

(TYPE OR PRINT)

(SIGNATURE OF CONTRACTING OFFICER)

ADDENDA ARE

26. TOTAL AWARD AMOUNT (For Gov t. Use Only )

23.

CODE 10. THIS ACQUISITION IS

SUCH ADDRESS IN OFFER

17b. CHECK IF REMITTANCE IS DIFFERENT AND PUT

BELOW IS CHECKED

TELEPHONE NO.

W912P99. ISSUED BY

18b. SUBMIT INVOICES TO ADDRESS SHOWN IN BLOCK 18a. UNLESS BLOCK

7. FOR SOLICITATION

INFORMATION CALL:

a. NAME

REID A DREWES

2. CONTRACT NO. 3. AWARD/EFFECTIVE DATE 4. ORDER NUMBER

(TYPE OR PRINT)

30b. NAME AND TITLE OF SIGNER 30c. DATE SIGNED 31b. NAME OF CONTRACTING OFFICER

30a. SIGNATURE OF OFFEROR/CONTRACTOR 31a.UNITED STATES OF AMERICA

0 27a. SOLICITATION INCORPORATES BY REFERENCE FAR 52.212-1. 52.212-4. FAR 52.212-3. 52.212-5 ARE ATTACHED.

25. ACCOUNTING AND APPROPRIATION DATA

1. REQUISITION NUMBER

20.

ADDITIONAL SHEETS SUBJECT TO THE TERMS AND CONDITIONS SPECIFIED.

OFFEROR TO COMPLETE BLOCKS 12, 17, 23, 24, AND 30

SOLICITATION/CONTRACT/ORDER FOR COMMERCIAL ITEMS

W81C8X80513965

ARE NOT ATTACHED

27b. CONTRACT/PURCHASE ORDER INCORPORATES BY REFERENCE FAR 52.212-4. FAR 52.212-5 IS ATTACHED. ADDENDA ARE ARE NOT ATTACHED

(BLOCK 5), INCLUDING ANY ADDITIONS OR CHANGES WHICH ARE

SET FORTH HEREIN, IS ACCEPTED AS TO ITEMS:

. YOUR OFFER ON SOLICITATION

28. CONTRACTOR IS REQUIRED TO SIGN THIS DOCUMENT AND RETURN

% FOR:SET ASIDE:UNRESTRICTED OR X

SMALL BUSINESSX

17a.CONTRACTOR/ CODE FACILITY

OFFEROR CODE

CONTRACTING DIVISION

US ARMY ENGR DIST ST LOUIS

1222 SPRUCE STREET, RM 4.207

ST LOUIS MO 63103-2833

18a. PAYMENT WILL BE MADE BY CODE

RATED ORDER UNDER

DPAS (15 CFR 700)

13a. THIS CONTRACT IS A

13b. RATING

CODE15. DELIVER TO CODE 966462 16. ADMINISTERED BY

12. DISCOUNT TERMS11. DELIVERY FOR FOB DESTINA-

TION UNLESS BLOCK IS

MARKED

SEE SCHEDULE

14. METHOD OF SOLICITATION

RFQ IFB RFPX

MARK TWAIN LAKE PROJECT

JENNIFER D TORRENCE

US ARMY ENGR DIST ST LOUIS

20642 HIGHWAY J

MONROE CITY MO 63456-2949

TEL: 573-735-4097 FAX: 573-735-2750

314 331-8746FAX:

TEL: SERVICE-DISABLED

VETERAN-OWNED

SMALL BUSINESS

8(A)

HUBZONE SMALL

BUSINESS

SIZE STANDARD:

$20,500,000

NAICS:

221320

OFFER DATED

29. AWARD OF CONTRACT: REF.

DELIVER ALL ITEMS SET FORTH OR OTHERWISE IDENTIFIED ABOVE AND ON ANY

COPIES TO ISSUING OFFICE. CONTRACTOR AGREES TO FURNISH AND

EMAIL:

TEL:

31c. DATE SIGNED

SEE SCHEDULE

SCHEDULE OF SUPPLIES/ SERVICESITEM NO. QUANTITY UNIT UNIT PRICE AMOUNT

24.22.21.19.

WOMEN-OWNED SMALL BUSINESS (WOSB)

ELIGIBLE UNDER THE WOMEN-OWNED

SMALL BUSINESS PROGRAM

EDWOSB

32g. E-MAIL OF AUTHORIZED GOVERNMENT REPRESENTATIVE

SOLICITATION/CONTRACT/ORDER FOR COMMERCIAL ITEMS

(CONTINUED)

PAGE 2 OF53

ACCEPTED, AND CONFORMS TO THE CONTRACT, EXCEPT AS NOTED: ______________________________________________________

32a. QUANTITY IN COLUMN 21 HAS BEEN

RECEIVED INSPECTED

32b. SIGNATURE OF AUTHORIZED GOVERNMENT

REPRESENTATIVE

32c. DATE 32d. PRINTED NAME AND TITLE OF AUTHORIZED GOVERNMENT

REPRESENTATIVE

32e. MAILING ADDRESS OF AUTHORIZED GOVERNMENT REPRESENTATIVE 32f . TELEPHONE NUMBER OF AUTHORIZED GOVERNMENT REPRESENTATIVE

37. CHECK NUMBER

FINALPARTIALCOMPLETE

36. PAYMENT35. AMOUNT VERIFIED

CORRECT FOR

34. VOUCHER NUMBER

FINAL

33. SHIP NUMBER

PARTIAL

38. S/R ACCOUNT NUMBER 39. S/R VOUCHER NUMBER 40. PAID BY

41a. I CERTIFY THIS ACCOUNT IS CORRECT AND PROPER FOR PAYMENT

41b. SIGNATURE AND TITLE OF CERTIFYING OFFICER 41c. DATE

42a. RECEIVED BY (Print)

42b. RECEIVED AT (Location)

42c. DATE REC'D (YY/MM/DD) 42d. TOTAL CONTAINERS

STANDARD FORM 1449 (REV. 2/2012) BACK

Prescribed by GSA – FAR (48 CFR) 53.212

AUTHORIZED FOR LOCAL REPRODUCTION

PREVIOUS EDITION IS NOT USABLE

SEE SCHEDULE

20.

SCHEDULE OF SUPPLIES/ SERVICES

21.

QUANTITY UNIT

22. 23.

UNIT PRICE

24.

AMOUNT

19.

ITEM NO.

W912P918T0016

Section SF 30 - BLOCK 14 CONTINUATION PAGE

BID SCHEDULE

Bid Schedule NOTE: Prices must be on a firm fixed basis.

OPTIONAL BID ITEMS

0003 Spare Parts 1 JB

TOTAL

BID NOTES

SITE VISIT: MAY 22, 2018 AT 10:00 A.M.

POWER PLANT ADDRESS:

43691 Power Plant Monroe City, MO 63456

Please submit bids by 10:00 AM on Tuesday, 29th May 2018 to:

U.S. Army Corps of Engineers, St. Louis District Office Virginia E. Bjornson 1222 Spruce Street St. Louis Mo 63103-2833

SCOPE OF WORK

STATEMENT OF WORK/SPECIFICATIONS

1. GENERAL.

1.1 SCOPE OF WORK. Replace two existing lift stations at Clarence Cannon Power Plant to include lift station on powerhouse 2nd floor and powerhouse 7th floor in accordance with specifications. Replacement and installation of equipment and components shall be furnished and installed new.

1.2 CONTRACTOR. The "Contractor" is the individual whose contract bid was accepted by the U.S. Army Corps of Engineers and who has gained the responsibility of performing the duties governed by the specifications of this contract.

1.3 CONTRACTING OFFICER. The term "Contracting Officer" shall mean the person executing this contract on behalf of the Government, and any other officer or civilian employee who is acting on his/her behalf.

UNIT

ITEM DESCRIPTION QUANTITY U/I PRICE AMOUNT

Lift Station

2nd

Floor

JB

Lift Station

7th

Floor

JB

1.3.1 CONTRACTING OFFICER’S REPRESENTATIVE (COR). An individual designated in writing by the Contracting Officer to be responsible for administration of the contract and Quality Assurance Representative.

1.4 REQUIRED INSURANCE.

1.4.1 As required by the Contract Clause entitled “Insurance – Work on a Government Installation”, the Contractor shall furnish to the Contracting Officer, prior to the commencement of work, a certificate or written statement as evidence of the minimum insurance listed below. The Contractor shall procure and maintain such types and amounts of insurance during the entire period of performance under this contract. The Contractor shall assure that the certificate or written statement is in accordance with required wording indicated in paragraph b of the aforementioned Contract Clause.

Workmen’s Compensation - Amounts required by applicable jurisdictional statutes.

Employer’s Liability Insurance - $100,000.00

Comprehensive General Liability Insurance

Bodily Injury - $500,000.00 per occurrence

Comprehensive Automobile Insurance

Bodily Injury - $200,000.00 each person $500,000.00 each person

1.4.2 Statements of insurance shall be submitted to the following address:

U.S. Army Corps of Engineers Clarence Cannon Dam & Mark Twain Lake 20642 Hwy J Monroe City, MO 63456

1.5 CONFINED SPACE ENTRY. The Contractor shall complete a confined space entry permit for approval to enter any confined space as defined in US Army Corps of Engineers Manual, EM 385-1-1. The Contractor shall submit a copy of their confined space program in accordance with 29 CFR 1910.146 to the Government. All work in confined spaces shall be accomplished in accordance with OSHA requirements and safety requirements set forth in EM 385-1-1, entitled “Safety and Health Requirements Manual”.

1.6 SAFETY. This paragraph applies to contracts and purchase orders that require the Contractor to comply with EM 385-1-1 (e.g., contracts that include the Accident Prevention clause at FAR 52.235-13 and/or other safety provisions). EM 385-1-1 and its changes are available at http://www.hq.usace.army.mil (at the HQ homepage, select Safety and Occupational Health). The Contractor shall be responsible for complying with the current edition and all changes posted on the web as of the effective date of this solicitation. The Government may inspect all equipment and materials. Any equipment or material found not in conformity with the requirements of this contract shall be removed from Government property immediately. The Contractor shall develop and submit an Accident Prevention Program using the forms located in Appendices A-1, A-2, and A-3 together with a copy of the Company Policy on Safety.

1.6.1 References. The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the test by the basis designation only.

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 10 (2002) Portable Fire Extinguishers NFPA 70 (2017) National Electrical Code

U.S. ARMY CORPS OF ENGINEERS (USACE)

EM 385-1-1 (2003) Safety - Safety and Health Requirements

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

29 CFR 1910 Occupational Safety and Health Standards

1.6.2 Site Safety and Health Officer (SSHO). Site Safety and Health Officer (SSHO) shall be provided at the work site at all times to perform safety and occupational health management, surveillance, inspections and safety enforcement for the Contractor. The Contractor Quality Control (QC) person can be the SSHO on this project. The SSHO shall meet the following requirements.

1.6.2.1 Work on similar projects.

1.6.2.2 10-hour OSHA safety class or equivalent within the last three (3) years.

1.6.2.3 Competent person training as needed.

1.6.3 Accident Prevention Plan (APP).

1.6.3.1 The Contractor shall use a qualified person to prepare the written site-specific APP. Prepare the APP in accordance with the format and requirements of USACE EM 385-1-1 and as supplemented herein. Cover all paragraph and subparagraph elements in USACE EM 385-1-1, Appendix A, ‘Minimum Basic Outline for Accident Prevention Plan”. Specific requirements for some of the APP elements are described below. The APP shall be job-specific and shall address any unusual or unique aspects of the project or activity for which it is written. The APP shall interface with the Contractor’s overall safety and health program. Any portions of the Contractor’s overall safety and health program referenced in the APP shall be included in the applicable APP element and made site-specific. The Government considers the Prime Contractor to be the “controlling authority” for all work site safety and health of the subcontractors. Contractors are responsible for informing their subcontractors of the safety provisions under the terms of the contract and the penalties for noncompliance, coordinating the work to prevent one craft from interfering with or creating hazardous working conditions for other crafts, and inspecting subcontractor operations to ensure that accident prevention responsibilities are being carried out. The APP shall be signed by the person and firm (senior person) preparing the APP, the Contractor, the on-site superintendent, the designated site safety and health officer and any designated CSP and/or CIH.

1.6.3.2 Submit the APP to the Contracting Officer’s Representative (COR) for acceptance following award and prior to the post award conference for acceptance. Work cannot proceed without an accepted APP.

1.6.3.3 Once accepted by the COR, the APP and attachments will be enforced as part of the contract.

Disregarding the provisions of this contract or the accepted APP will be cause for stopping of work, at the discretion of the COR, until the matter has been rectified.

1.6.3.4 Once work begins, changes to the accepted APP shall be made with the knowledge and concurrence of the COR, project superintendent, SSHO and quality control manager. Should any hazard become evident, stop work in the area, secure the area, and develop a plan to remove the hazard. Notify the COR within 24 hours of discovery. Eliminate/remove the hazard. In the interim, all necessary action shall be taken to restore and maintain safe working conditions in order to safeguard onsite personnel, visitors, the public and the environment.

1.6.3.5 Copies of the accepted plan will be maintained at the Mark Twain Lake Project Office. The APP shall be continuously reviewed and amended, as necessary, throughout the life of the contract. Unusual or high-hazard activities not identified in the original APP shall be incorporated in the plan as they are discovered.

1.6.4 Activity Hazard Analysis (AHA).

1.6.4.1 The Activity Hazard Analysis (AHA) format shall be in accordance with USACE EM 385-1-1.

Submit the AHA to the COR for review following award and prior to the post award conference. Format subsequent AHAs as amendments to the APP. The analysis should be used during daily inspections to ensure the implementation and effectiveness of the activities safety and health controls.

1.6.4.2 The AHA list will be reviewed periodically and updated as necessary when procedures, scheduling or hazards change.

1.6.4.3 The activity hazard analyses shall be developed for activities being performed. The AHAs will be developed by the contractor, supplier or subcontractor and provided to the prime contractor for submittal to the

COR.

1.6.5 Emergency Medical Treatment. Contractors will arrange for their own emergency medical treatment.

Government has no responsibility to provide emergency medical treatment.

1.6.6 Reports

1.6.6.1 Accident Reports. For recordable injuries and illnesses, and property damage accidents resulting in at least $2,000 in damages, the Prime Contractor shall conduct an accident investigation to establish the root cause(s) of the accident, complete USACE Accident Report Form 3394 and provide the report to the COR within Two (2) calendar days of the accident. The COR will provide copies of any required special forms.

1.6.6.2 Accident Notification. Notify the COR as soon as practical, but not later than four (4) hours, after any accident meeting the definition of Recordable Injuries or Illnesses or High Visibility Accidents, or property damage equal to or greater than $2,000. Information shall include contractor name; contract title; type of contract;

name of activity, installation or location where accident occurred; date and time of accident; names of personnel injured; extent of property damage, if any; extent of injury, if known, and brief description of accident (to include type of equipment used, PPE used, etc. Preserve the conditions and evidence on the accident site until the Government investigation team arrives on-site and Government investigation is conducted.

1.6.6.3 Monthly Exposure Reports. Monthly exposure reporting to the COR is required to be attached to the monthly billing request. This report is a compilation of employee-hours worked each month for all site workers, both prime and subcontractor. The COR will provide copies of any special forms.

1.6.7 Meetings

1.6.7.1 Post Award Conference

1.6.7.1.1 Contractor representatives who have a responsibility or significant role in accident prevention on the contract shall attend the post award conference. This includes the project superintendent, site safety and health officer, quality control supervisor, or any other assigned safety and health professionals who participated in the development of the APP (including the Activity Hazard Analyses (AHAs) and special plans, program and procedures associated with it).

1.6.7.1.2 The Contractor shall discuss the details of the submitted APP to include incorporated plans, programs, procedures and a listing of anticipated AHAs that will be developed and implemented during the performance of the contract. This list of proposed AHAs will be reviewed at the conference and an agreement will be reached between the Contractor and the COR as to which phases will require an analysis. In addition, a schedule for the preparation, submittal, review and acceptance of AHAs shall be established to preclude delays.

1.6.7.1.3 Deficiencies in the submitted APP will be brought to the attention of the Contractor at the post award conference and the Contractor shall revise the plan to correct deficiencies and resubmit it for acceptance.

Work shall not begin until there is an accepted APP.

1.6.7.2 Safety Meetings. Shall be conducted and documented as required by EM 385-1-1.

1.7 LOCATION AND CONTRACT LIMITS. The location of the work to be performed is at the Clarence Cannon Powerplant Powerhouse, Mark Twain Lake Project, Missouri.

1.8 SCHEDULE OF WORK. The Contractor shall perform all work between 0700 and 1530 hrs Monday through Friday. No work shall be performed on weekends or Federal holidays. All work shall be completed no later than September 30, 2018. The Contractor may begin work lift station once all submittals have been approved with the exception of the O&M manuals. The COR shall be informed of intent to start work 14 calendar days prior.

Work shall be conducted on both lift stations in parallel and shall be completed in not more than 14 calendar days.

The COR will direct the Contractor to suspend work during high water events (lake level 630 and above) and prevent contractor access. The Contractor shall have no access to the site on 25 May or 31 August.

1.9 ACCESS. The Contractor shall be responsible for access to, into and through all locations. Access into and through Government property shall be by routes approved by the Contracting Officer in advance prior to entry.

Access through Government locked barricades or gates will be provided by the Government to the Contractor provided that notification is given a minimum of twenty-four (24) hours in advance. Contractor personnel will be required to sign into and out of the facility.

1.10 UNUSUAL CONDITIONS. The Contractor shall inform the Contracting Officer of any unusual conditions observed such damage to existing work. NOTICE: The Contractor shall be required to cooperate with, and coordinate with the Government any operations in and around any other Contractors, work crews, Government employees or the public which may be working or entering the area within the contract limits.

1.11 QUALITY CONTROL. The Contractor shall establish and maintain quality control for all operations to assure compliance with contract requirements and maintain records of his quality control for all construction operations.

1.12 WARRANTY. All items furnished under this section shall be warranted to be free from defect in workmanship and materials for a minimum period of one (1) year after date of start-up assistance.

1.13 WORK PLAN. Contractor shall submit for review his work plan for review. Work plan shall include details on proposed dates of work

1.14 REFERENCE PUBLICATIONS. These specifications, standards and descriptions are not available from Government sources. They may be obtained from the publishers listed below:

American National Standards Institute (ANSI) 11 West 42ND Street New York, NY 10036 www.ansi.org

American Society of Testing and Materials (ASTM) 100 Barr Harbor Drive West Conshohocken, PA 19428 www.astm.org

American Water Works Association (AWWA) 666 West Quincy Denver, CO 80235 www.awwa.org

Underwriters Laboratories Inc.

333 Pfingsten Road Northbrook, IL 60062-2096 www.ul.com

American Society of Mechanical Engineers ASME International Three Park Avenue New York, NY 10016-5990 www.asme.org

American Iron and Steel Institute 1140 Connecticut Ave. NW Suite 705 Washington D.C. 20036 www.steel.org

2. DESCRIPTION OF WORK. Lift Station components to be furnished and installed shall conform to the following requirements.

2.1 LIFT STATION, 2nd FLOOR. The Contractor shall remove and replace prepackaged simplex lift station and wet-pit pump, discharge bases, discharge piping as needed, guide rails, float switches, and control panel including wire/cable and conduit as needed. Basic details of existing lift station components are shown in Appendix C.

2.1.1 GENERAL. The existing steel wet well is approximately 42-inches in diameter. Existing piping is installed through the top of the wet well. Existing piping system shall be modified as needed to accommodate side entry of new wet well. Unions shall be used to attach new piping to existing.

2.1.2 DEMOLITION AND REPAIR. Pump, discharge base, piping, valves, float switches, brackets, wet-well and control panels shall be removed. The Contractor shall be responsible for the removal and disposal of waste water and debris. Existing valves and piping as required shall be removed. All demolished equipment and material become property of the contractor. See Appendix C for typical layout of existing lift station.

2.1.3 PUMPS. Furnish and install Barnes SGV5042L grinder pump or approved equal as described herein.

Pump shall be equipped with 5.75-inch impeller. The motor shall be connected for operation on a 480 volt, 60 HZ, three phase service and shall be an integral part of the pumping unit. The pump discharge shall be 2”. The grinder unit shall be capable of shearing and reducing to a fine slurry all material normally found in domestic and commercial sewage including plastic, rubber, sanitary napkins, and disposable diapers. The slurry shall be capable of freely passing through a 2” piping system including check and gate valves. Pump shall be capable of running dry for extended periods of time and shall be suitable for long term submergence in sewage. Grinder pump(s) shall be U.L.

Listed to Standard 778 and CSA Listed to Standard 108.

Lift Station 2nd Floor Model Number SGV5042L Flow, GPM 30 TDH, Feet 125 Motor HP 5.0 Rated speed, RPM 3450 Power 480V-60hz-3ph

2.1.4 PUMP CONSTRUCTION. The volute, seal plates and motor housing shall be constructed of high quality ASTM A-48 class 30 cast iron. The pump(s) shall be painted with air dry enamel of 2 mil minimum thickness. All exposed hardware shall be 300 series stainless steel. Discharge connection shall be a standard 2.00 inch NPT in the vertical position. The pump impeller shall be of the recessed, vortex design. Pumps with standard centrifugal semi-open impeller designs shall not be acceptable. The impeller shall be of 85-5-5-5 bronze construction and machined for threading to the motor shaft. The impeller shall be capable of being trimmed to meet specific performance characteristics. The pump shall be a three bearing design consisting of an upper ball bearing, an intermediate ball bearing restrained for the purpose of carrying the thrust loads, and an oil lubricated lower bronze sleeve bearing to carry radial loads and prevent shaft deflection imposed by the pump impeller and grinder operation. The oil lubricated sleeve bearing shall be located between two mechanical seals. Lip type seals are not acceptable. Designs reducing the number of bearings or substituting sleeve bearings for ball bearings will not be considered equal.

2.1.4.1 Impeller. The grinder mechanism shall be specifically designed for use in a grinder pump.

Garbage disposal cutting mechanisms are not acceptable. The mechanism shall consist of a radial cutter threaded and locked on the motor shaft by a washer in conjunction with a counter sunk flat head cap screw, and a matching shredding ring. Grinding shall be accomplished by a slicing action as opposed to a chopping action. Chopping-type cutter mechanisms will not be allowed. Grinder design shall be able to alternately engage cutters at start and shall exert a minimum cutting force of 30 pounds, thus eliminating the need for excessive motors. The shredding ring shall be reversible to provide twice the cutting life. All grinding mechanism components, including both the shredding ring and radial cutter and its impeller, shall be constructed of 440C stainless steel hardened to a minimum Rockwell C55 and shall be finish ground for a fine cutting edge. Two stage cutter mechanisms and/or those requiring external adjustment for proper clearance shall not be acceptable. The grinder shall be placed immediately below the pumping elements and shall be direct-driven by a single, one-piece, stainless steel motor shaft. The grinding assembly operate without objectionable noise or vibration over the entire range of recommended operating pressures. The grinder shall be constructed so as to eliminate clogging and jamming under all normal operating conditions including starting. In order to demonstrate adequate flow velocity and grinding capability, the grinder pump shall be capable of passing a series of stringy type solids (diapers, rags, feminine products, etc.) through the pump without roping or winding the material in or immediately below the pump suction. The grinder shall be capable of reducing all components in normal domestic sewage, including a reasonable amount of “foreign objects”, such as paper, wood, plastic, glass, rubber and the like, to finely-divided particles which will pass freely through the passages of the pump and the discharge piping. The grinding mechanism must be capable of handling reasonable amounts of grit, often found in domestic sewage systems.

2.1.4.2 Shaft and Bearings. The common pump and motor shaft shall be 416 stainless steel supported by a heavy duty lower sleeve bearing, and an upper and middle sealed single row ball bearings. The cutting elements and impeller shall be designed to keep the overhung load distance to a minimum. All fasteners shall be 304 stainless steel.

2.1.4.3 Shaft Seals. The pump shall utilize a tandem mechanical shaft seal arrangement and shall operate in an oil atmosphere. Each seal shall be double floating, self-aligning rotary shaft seals to prevent leakage between the motor and pump. The materials of construction shall be carbon for the rotating face and ceramic for the stationary face, lapped and polished to a tolerance of one light band, with 300 stainless steel hardware, with all elastomer parts of Buna-N. The seal shall be commercially available and not a proprietary design of the manufacturer

2.1.4.4 Performance. In order to insure proper operation in all conditions, pump must provide, without overheating in continuous operation, maximum head condition required by the system. Pump must also be capable of operating at zero or negative heads without damage to the pump.

2.1.5 SUBMERSIBLE ELECTRIC MOTOR. Three phase motors shall be of the dual-voltage 240/480, NEMA B design. The motor shall be designed to be non-overloading throughout the entire pump curve. The motor shall be constructed with the open windings operating in a sealed housing, which contains clean dielectric oil for heat dissipation from the windings and for lubrication of the bearings, making it capable of operating in a totally, partially, or non-submerged condition for extended periods of time without damage due to heat being generated. Oil used must be able to be disposed of as non-hazardous waste. Air-filled motors shall not be acceptable. The rotor and stator assembly shall be of the standard frame design and secured to the pump seal plate by four threaded fasteners allowing for easy serviceability. Motor designs incorporating shrink or press fit assemblies between the stator and motor housing shall not be considered acceptable. The motor shaft shall be of 416 stainless steel. Protection against excessive temperature shall be provided by heat sensor thermostat attached to the stator windings and connected in series with the contactor coil to the control panel. The pumps shall be equipped with type SOW power cable. The power cable is connected to the motor via quick disconnect pin terminals. Threaded cord grip type cord entries are not acceptable.

Pin receptacles shall be crimped and molded to the power cord in a PVC plug. The plug shall be secured with a stainless steel compression plate to prevent water from entering the motor housing and to provide strain relief at the point of cable entry. A stainless steel clamp shall compress the PVC molding against the cable jacket to prevent water from entering the jacket. A polybutylene terephthalate terminal block with brass pin inserts shall connect the power cord leads with motor leads. The ground pin shall be longer than the other pins such that the ground connection is the first connection made and the last connection broken when the plug is inserted and removed, respectively. A Buna-N o-ring shall provide isolation sealing between terminal block and the motor housing. The plug assembly shall be guaranteed by the manufacturer to meet UL approval for submersion.

2.1.5.1 480 V Power Feeder. Power for each pump shall be provided by existing 15A breaker located in MCC4 bucket 1T on the 2nd floor EL. 517.5. Existing feeder cable 4P5 (see Appendix C) shall be used. Contractor responsible for supplying submersible pump motor cable and terminating to existing cable 4P5 in wall-mounted junction box located adjacent to wet well.

2.1.6 GUIDE RAIL BASE AND SYSTEM. Basin shall be equipped with a 300 series stainless steel pipe guide rail assembly to facilitate removal of the pump(s) from ground level. A stainless steel lifting chain with harness shall be supplied for pump removal. Pump removal system must not require the loosening of fasteners to facilitate pump removal, and shall provide for automatic alignment and re-connection of discharge piping for the replacement pump.

Pump replacement shall be accomplished while the basin is full of sewage without the need to dewater the basin.

2.1.7 WET WELL. Packaged wet well shall be Barnes simplex BAF-2020 or approved equal. The basin shall be fiberglass reinforced polyester resin with a 3" (76.2 mm) ballast support flange. The basin shall be furnished with one flexible inlet flange (shipped loose to facilitate field location) to accept a 4.50" (114 mm) OD DWV pipe. Inlet location can vary to accommodate ease of installation. Basin capacities and dimensions shall be as shown on the contract drawings or as specified herein. The basin FRP wall laminate thickness shall vary with the wet well depth to provide the aggregate strength to meet the tensile and flexural physical property requirements. The basin FRP wall laminate must be designed to withstand wall collapse or buckling based on a hydrostatic pressure of pounds per square foot, a saturated soil weight of 120 pounds per cubic foot, a soil modulus of 700 pounds per square foot. Basin must comply with the pipe stiffness values as specified in ASTM D 3753. The basin laminate must be constructed to withstand or exceed 150% of the assumed loading on any depth. The finished FRP laminate will have a Barcol hardness of at least 90% of the resin manufactures specified hardness for the fully cured resin. The Barcol Hardness shall be the same for both interior and exterior surfaces. Manufacture must submit documentation including calculation and production certification that basin on the project are in compliance with the above requirements. Aluminum cover shall be natural silver color. All discharge piping shall be constructed of schedule 40 stainless steel and terminate outside the stations with a bulkhead female NPT fitting. The manufacturer shall guarantee all bulkhead penetrations watertight.

2.1.8. FLOAT SWITCH.

2.1.9.1 General. Three level extended stem float level switches shall be Compac Engineering Erecta Switch or equal. The casing shall be chemical resistant polypropylene and provide a liquid tight fitting for cable penetrations through wet-well lid. Device shall be RoHS compliant. The electrical cable shall have length as required to prevent the need for splices between device and control panel.

2.1.9.2 Float Switch Adjustment. The float switches shall be field adjusted to the start, stop, and alarm elevations as shown in the pump/wet-well shop drawings.

2.1.9 PIPE AND VALVES.

2.1.10.1 Station Piping. Provide threaded joint fittings within wet well as required. All new piping inside the wet–well shall be 2” schedule 40 stainless steel. The Contractor shall install 2” stainless steel station discharge piping and connect to the existing force main outside the wet-well using a dielectric union. Piping extending thru the wet-well shall be installed with a bulkhead fitting to form a water-tight seal. Check valve shall be installed at pump discharge after exiting wet well, check shall be dual door type or similar low head loss valve.

2.1.10.2 Valves. The pump discharge shall be equipped with a factory installed, manual valve with separate union. Valve shall be gate valve constructed of brass with a minimum rated pressure of 150 PSI (10.6 kgs/sq. meter). All valves shall be operable from ground level. Shut off valve shall be equal to the size of the station discharge.

2.2 LIFT STATION, 7th FLOOR. The Contractor shall remove and replace prepackaged duplex lift station and wet-pit pump, discharge bases, discharge piping as needed, guide rails, float switches, and control panel. Basic details of existing lift station components are shown in Appendix C.

2.2.1 GENERAL. The existing steel wet well is approximately 48-inches in diameter. Existing piping is installed through the top of the wet well. Existing piping system shall be modified as needed to accommodate side entry of new wet well. Unions shall be used to attach new piping to existing.

2.2.2 DEMOLITION AND REPAIR. Pumps, discharge base, piping, valves, float switches, brackets, wet-well and control panels shall be removed. The Contractor shall be responsible for the removal and disposal of waste water and debris. Existing valves and piping as required shall be removed. All demolished equipment and material become property of the contractor. See Appendix C for typical layout of existing lift station.

2.2.3 PUMPS. Furnish and install Barnes SGV5042L grinder pumps or approved equal as described herein.

Pumps shall be equipped with 5.125-inch impeller. The motor shall be connected for operation on a 480 volt, 60 HZ, three phase service and shall be an integral part of the pumping unit. The pump discharge shall be 2”. The grinder unit shall be capable of shearing and reducing to a fine slurry all material normally found in domestic and commercial sewage including plastic, rubber, sanitary napkins, and disposable diapers. The slurry shall be capable of freely passing through a 2” piping system including check and gate valves. Pump shall be capable of running dry for extended periods of time and shall be suitable for long term submergence in sewage. Grinder pump(s) shall be U.L.

Listed to Standard 778 and CSA Listed to Standard 108.

Lift Station 7th Floor

Flow, GPM 30 TDH, Feet 95 Motor HP 5.0

2.2.4 PUMP CONSTRUCTION. The volute, seal plates and motor housing shall be constructed of high quality ASTM A-48 class 30 cast iron. The pump(s) shall be painted with air dry enamel of 2 mil minimum thickness. All exposed hardware shall be 300 series stainless steel. Discharge connection shall be a standard 2.00 inch NPT in the vertical position. The pump impeller shall be of the recessed, vortex design. Pumps with standard centrifugal semi-open impeller designs shall not be acceptable. The impeller shall be of 85-5-5-5 bronze construction and machined for threading to the motor shaft. The impeller shall be capable of being trimmed to meet specific performance characteristics. The pump shall be a three bearing design consisting of an upper ball bearing, an intermediate ball bearing restrained for the purpose of carrying the thrust loads, and an oil lubricated lower bronze sleeve bearing to carry radial loads and prevent shaft deflection imposed by the pump impeller and grinder operation. The oil lubricated sleeve bearing shall be located between two mechanical seals. Lip type seals are not acceptable. Designs reducing the number of bearings or substituting sleeve bearings for ball bearings will not be considered equal.

2.2.4.1 Impeller. The grinder mechanism shall be specifically designed for use in a grinder pump.

Garbage disposal cutting mechanisms are not acceptable. The mechanism shall consist of a radial cutter threaded and locked on the motor shaft by a washer in conjunction with a counter sunk flat head cap screw, and a matching shredding ring. Grinding shall be accomplished by a slicing action as opposed to a chopping action. Chopping-type cutter mechanisms will not be allowed. Grinder design shall be able to alternately engage cutters at start and shall exert a minimum cutting force of 30 pounds, thus eliminating the need for excessive motors. The shredding ring shall be reversible to provide twice the cutting life. All grinding mechanism components, including both the shredding ring and radial cutter and its impeller, shall be constructed of 440C stainless steel hardened to a minimum Rockwell C55 and shall be finish ground for a fine cutting edge. Two stage cutter mechanisms and/or those requiring external adjustment for proper clearance shall not be acceptable. The grinder shall be placed immediately below the pumping elements and shall be direct-driven by a single, one-piece, stainless steel motor shaft. The grinding assembly operate without objectionable noise or vibration over the entire range of recommended operating pressures. The grinder shall be constructed so as to eliminate clogging and jamming under all normal operating conditions including starting. In order to demonstrate adequate flow velocity and grinding capability, the grinder pump shall be capable of passing a series of stringy type solids (diapers, rags, feminine products, etc.) through the pump without roping or winding the material in or immediately below the pump suction. The grinder shall be capable of reducing all components in normal domestic sewage, including a reasonable amount of “foreign objects”, such as paper, wood, plastic, glass, rubber and the like, to finely-divided particles which will pass freely through the passages of the pump and the discharge piping. The grinding mechanism must be capable of handling reasonable amounts of grit, often found in domestic sewage systems.

2.2.4.2 Shaft and Bearings. The common pump and motor shaft shall be 416 stainless steel supported by a heavy duty lower sleeve bearing, and an upper and middle sealed single row ball bearings. The cutting elements and impeller shall be designed to keep the overhung load distance to a minimum. All fasteners shall be 304 stainless steel.

2.2.4.3 Shaft Seals. The pump shall utilize a tandem mechanical shaft seal arrangement and shall operate in an oil atmosphere. Each seal shall be double floating, self-aligning rotary shaft seals to prevent leakage between the motor and pump. The materials of construction shall be carbon for the rotating face and ceramic for the stationary face, lapped and polished to a tolerance of one light band, with 300 stainless steel hardware, with all elastomer parts of Buna-N. The seal shall be commercially available and not a proprietary design of the manufacturer

2.2.4.4 Performance. In order to insure proper operation in all conditions, pump must provide, without overheating in continuous operation, maximum head condition required by the system. Pump must also be capable of operating at zero or negative heads without damage to the pump.

2.2.5 SUBMERSIBLE ELECTRIC MOTOR. Three phase motors shall be of the dual-voltage 240/480, NEMA B design. The motor shall be designed to be non-overloading throughout the entire pump curve. The motor shall be constructed with the open windings operating in a sealed housing, which contains clean dielectric oil for heat dissipation from the windings and for lubrication of the bearings, making it capable of operating in a totally, partially, or non-submerged condition for extended periods of time without damage due to heat being generated. Oil used must be able to be disposed of as non-hazardous waste. Air-filled motors shall not be acceptable. The rotor and stator assembly shall be of the standard frame design and secured to the pump seal plate by four threaded fasteners allowing for easy serviceability. Motor designs incorporating shrink or press fit assemblies between the stator and motor housing shall not be considered acceptable. The motor shaft shall be of 416 stainless steel. Protection against excessive temperature shall be provided by heat sensor thermostat attached to the stator windings and connected in series with the contactor coil to the control panel. The pumps shall be equipped with type SOW power cable. The power cable is connected to the motor via quick disconnect pin terminals. Threaded cord grip type cord entries are not acceptable.

Pin receptacles shall be crimped and molded to the power cord in a PVC plug. The plug shall be secured with a stainless steel compression plate to prevent water from entering the motor housing and to provide strain relief at the point of cable entry. A stainless steel clamp shall compress the PVC molding against the cable jacket to prevent water from entering the jacket. A polybutylene terephthalate terminal block with brass pin inserts shall connect the power cord leads with motor leads. The ground pin shall be longer than the other pins such that the ground connection is the first connection made and the last connection broken when the plug is inserted and removed, respectively. A Buna-N o-ring shall provide isolation sealing between terminal block and the motor housing. The plug assembly shall be guaranteed by the manufacturer to meet UL approval for submersion.

2.2.5.1 480 V Power Feeder. Power for each pump shall be provided by existing 30A breaker located in MCC7 bucket 2E on the 5th floor EL. 587.0. Contractor responsible for supply and install of new feeder cable from MCC7 to new duplex control panel on 7th floor. Cable shall be #8 AWG XLPE insulation and shall be installed in new RGS conduit provided by the contractor and existing raceway where applicable as determined by the Government.

2.2.6 GUIDE RAIL BASE AND SYSTEM. Basin shall be equipped with a 300 series stainless steel pipe guide rail assembly to facilitate removal of the pump(s) from ground level. A stainless steel lifting chain with harness shall be supplied for pump removal. Pump removal system must not require the loosening of fasteners to facilitate pump removal, and shall provide for automatic alignment and re-connection of discharge piping for the replacement pump.

Pump replacement shall be accomplished while the basin is full of sewage without the need to dewater the basin.

2.2.7 WET WELL. Packaged wet well shall be Barnes duplex BAF-2020 or approved equal. The basin shall be fiberglass reinforced polyester resin with a 3" (76.2 mm) ballast support flange. The basin shall be furnished with one flexible inlet flange (shipped loose to facilitate field location) to accept a 4.50" (114 mm) OD DWV pipe. Inlet location can vary to accommodate ease of installation. Basin capacities and dimensions shall be as shown on the contract drawings or as specified herein. The basin FRP wall laminate thickness shall vary with the wet well depth to provide the aggregate strength to meet the tensile and flexural physical property requirements. The basin FRP wall laminate must be designed to withstand wall collapse or buckling based on a hydrostatic pressure of pounds per square foot, a saturated soil weight of 120 pounds per cubic foot, a soil modulus of 700 pounds per square foot. Basin must comply with the pipe stiffness values as specified in ASTM D 3753. The basin laminate must be constructed to withstand or exceed 150% of the assumed loading on any depth. The finished FRP laminate will have a Barcol hardness of at least 90% of the resin manufactures specified hardness for the fully cured resin. The Barcol Hardness shall be the same for both interior and exterior surfaces. Manufacture must submit documentation including calculation and production certification that basin on the project are in compliance with the above requirements. Aluminum cover shall be natural silver color. All discharge piping shall be constructed of schedule 40 stainless steel and terminate outside the stations with a bulkhead female NPT fitting. The manufacturer shall guarantee all bulkhead penetrations watertight.

2.2.8. FLOAT SWITCH.

2.2.9.1 General. Three level extended stem float level switches shall be Compac Engineering Erecta Switch or equal. The casing shall be chemical resistant polypropylene and provide a liquid tight fitting for cable penetrations through wet-well lid. Device shall be RoHS compliant. The electrical cable shall have length as required to prevent the need for splices between device and control panel.

2.2.9.2 Float Switch Adjustment. The float switches shall be field adjusted to the start, stop, and alarm elevations as shown in the pump/wet-well shop drawings.

2.2.9 PIPE AND VALVES.

2.2.10.1 Station Piping. Provide threaded joint fittings within wet well as required. All new piping inside the wet–well shall be 2” schedule 40 stainless steel. The Contractor shall install 2” stainless steel station discharge piping and connect to the existing force main outside the wet-well using a dielectric union. Piping extending thru the wet-well shall be installed with a bulkhead fitting to form a water-tight seal. Check valve shall be installed at pump discharge after exiting wet well, check shall be dual door type or similar low head loss valve.

2.2.10.2 Valves. The pump discharge shall be equipped with a factory installed, manual valve with separate union. Valve shall be gate valve constructed of brass with a minimum rated pressure of 150 PSI (10.6 kgs/sq. meter). All valves shall be operable from ground level. Shut off valve shall be equal to the size of the station discharge.

2.3 CONTROL PANELS.

2.3.1 GENERAL. It is the intent of these specifications that all motor controls and control components be supplied by a single supplier. Controls shall not be assembled on site. System supplier shall be a UL 508 certified facility and shall be regularly engaged in the manufacture of controls for the municipal water industry. A company having at least five years of experience in the construction of such control equipment shall assemble the pump control panel. All control panels shall be UL listed to meet Standard 508A. See Appendix C for reference documents.

2.3.2 OPERATION. Basic operation of Lift Station 2nd floor (LS2) and Lift Station 7th floor (LS7) shall be as a sewage pump-down/lift from LS2 to LS7 and pump-down/ejector from LS7. LS2 shall be provided with a simplex control panel and LS7 shall be provided with a duplex control panel. Each control panel shall be float controlled and shall be electrically interlocked inhibiting pumping from LS2 to LS7 if LS7 is full. LS2 shall be provided with necessary control equipment for connection to existing Influent Water System as specified herein. Each control panel shall include as a minimum: circuit breakers, fuses, terminal strip, ground lug, capacitors when required, NEMA rated motor starters when required, relays, high level alarm with silence button, Hand-Off-Auto selector switch, pilot lights, elapsed time meter, pump alternator when required, float control connections, and pump motor overload when required.

2.3.3 ENCLOSURE. Each control panel shall be constructed with a pad-lockable NEMA 4X stainless steel enclosure and utilize stainless steel hardware. LS2 shall be provided with a simplex control panel and LS7 shall be provided with a duplex control panel. Controls for LS7 (both pumps) duplex panel shall be located in the same enclosure. Each control panel shall be wall mounted adjacent to its respective wet well in place of existing panels.

Existing control panels shall be removed and taken of site by the contractor. Contractor may utilize existing conduit/raceway where possible and existing circuits specified herein. Contractor responsible for providing additional conduit, wire, and stainless steel hardware as needed for proper installation of control equipment.

2.3.3.1 High Level Alarm. Each control panel shall include a visual and audible (with silence) high level alarm device. Alarm shall be separately fused from motor control circuit. Visual alarm shall be amber lensed mounted to the enclosure and shall remain on as long as the high level condition exists in the wet well. The audible alarm device shall be capable of being de-activated by means of a silence pushbutton mounted on the exterior of the enclosure. Both visual and audible alarms shall automatically reset when the high level condition subsides.

2.3.3.2 Hand-Off-Auto (H-O-A) Selector Switch. Each pump shall be controlled through an H-O-

A selector switch mounted on the front of the control panel. In the AUTO position, the floats in the wet-well shall control the pump. In the HAND position, the pump shall run continuously until the selector switch is turned to OFF or to the AUTO position.

2.3.3.3 Motor Overload Trip.

LS2: Overload protection shall be provided by existing solid-state overload device located in MCC4 bucket 1T. Contractor shall verify setting of existing overload device is properly set for new pump motor.

LS7: Control panel shall contain electrical current overload protection devices sized per NFPA 70 for both pump motors. A motor overload condition shall stop the pump from running in either HAND or AUTO, but the pump will resume operation when the overload device automatically resets.

2.3.3.4 Control Power.

LS2: 120 V control power shall be provided by existing control transformer located in MCC4 bucket 1T. Existing cable 4P5-1 (see Appendix C) shall be used.

LS7: 120 V control power shall be provided by means of dual control transformers that allow full functionality of controls even if one of the pump breakers is OFF.

2.3.3.5 Pilot Lights. Pilot lights shall be push-to-test, LED type with lens colors as shown below.

Provide pilot lights for the following functions:

Pump RUN Red Pump OFF Green High Level Amber

2.3.3.6 Lead/Lag Switch. LS7 duplex control panel shall be provided with a lead/lag pump selector switch to bypass pump alternator. Operation of the lag pump shall be independent from the lead pump. Panel shall accommodate connection of floats with the following functionality:

High Level Lag Demand Lead Demand Stop

2.3.3.7 Elapsed Time Meter. Each control panel shall be provided with an elapsed time meter for individual pumps. Meter shall indicate pump running time in hours and shall be mounted on front of enclosure.

2.3.3.8 Nameplates. Provide engraved phenolic nameplates, black letters on white background, for all door-mounted devices such as selector switches, push buttons, and pilot lights. Nameplates shall be secured firmly to the panel.

2.3.4 INFLUENT WATER SYSTEM. LS2 shall be provided with necessary control equipment for connection to existing Influent Water System.