Attachment02_Specifications.pdf

Div. 1 V. 2022-9-6 Page | 1

Replace Sewage Pumps & Correct Sewage Piping PMIS 47111 A and B Drawing No:366-2477111 for eTic

PROJECT SPECIFICATIONS

NATIONAL PARK SERVICE

08/01/2023

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TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

Section 01 10 00 - Division 01 Short Form General Requirements

DIVISION 22 - PLUMBING

Section 22 13 36 –Sewage Pump Replacement

DRAWINGS AND PHOTOGRAPHS

Appendix A- PDF: Arch Complex Sewer System As built

Appendix B -Photos MG-3729 through MG-3785

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SECTION 01 10 00

DIVISION 1 SHORT FORM GENERAL REQUIREMENTS

PART 1 – GENERAL

ITEM 1 - DESCRIPTION OF WORK

1.1 Background: The Arch Visitor Center was built in 1974 and is concrete construction. These pumps service the original 1970’s visitor center of the Gateway Arch Complex. The pumps provide service for ~360 employees and 1.7 million visitors annually. Existing pumps have exceeded their life cycle and need replacement in kind or better based on current availability.

1.2 Work Covered by the Contract Documents:

A. Project Location: 11 North 4th Street St. Louis, MO 63102 38.625678964542516, -90.1869864272743 Arch Visitor Center Work site: see highlighted area

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The Gateway Arch Visitor Center is a subterrain building with limited access to nonpublic areas.

Identified by the yellow highlighted marker: The Gate Way Arch.

Parking at Gateway Arch National Park is also limited to the lot indicated with the brown P. It is first come first serve and access for vendor.

Parking should be cleared with the Old Cathedral Arch Diocese. There are 36 sites to the south end of the lot that are designated for essential NPS staff they are designated with a white box, please refrain from parking there.

Cathedral Holy Days, parking unavailable to park staff and vendors, have been identified as:

All Saints Day 11/1/23 Immaculate Conception 12/8/2023 Christmas Day 12/25/2023 Cathedral Operations Day 10/11/2023 Cathedral Operations Day 12/19/2023

B. Work consists of: Replacement of two existing Arch sewage ejector pumps, valves and associated piping. Provide two additional sewage pumps for spares. Piping consists of 40 LF. of 4” discharge running to an 8” header, replace to the header. Suction piping is 4” approx. 6 LF. Replace check, isolation, and drain valves on discharge side, and isolation valve on the suction side. There are two pumps that alternate electrical service cycles. These pumps are 40+ years old and have exceeded their respective life cycles and have been rebuilt several times. Replace pump electrical disconnects meeting current codes along with control interface with the existing Building Management System for monitoring status and controlling ejector pump output. During visitor occupancy one sewage pump must remain operational to accommodate visitor sewage capacity.

1. installation of piping with backflow to a wall faucet.

2. Existing 90 LF of ductile iron sewer line in south hall requires modification providing a positive slope.

a. Carpet removed and concrete floor to be demo for access there will also be minor drywall and floor molding within the piping access points.

b. Restore to original condition when complete concrete flooring drywall painting, floor molding and carpet.

3. All work will be performed under a single contract.

4. Period of performance: Work shall be completed within 60 calendar days of the start date provided on the Notice to Proceed. The period of performance is inclusive of 0 weather days.

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ITEM 2 – PROTECTING EXISTING UTILITIES

2.1 Protecting Existing Utilities: Notify Contracting Officer (CO), Contracting Officer’s

Representative (COR) and utility companies as required to request location services prior to and to coordinate any excavation/digging operations, and/or for demolition if within Scope of Work as needed.

2.2 Contractor shall be responsible for locating and preventing damage to known utilities and service feeds on site or indoors. If contractor damage occurs, alert CO and COR as soon as safely possible, and repair utility at no additional expense to the Government. If damage occurs to an unknown utility, contact CO and COR as soon as safely possible.

2.3 Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated below:

A. Notify CO and COR not less than five business days in advance of proposed utility interruptions.

B. Hours for Utility Shutdowns: Shutdowns shall not exceed 2 to 3 hours. Temporary provisions will be needed by the Contractor for periods longer than stated allowance or if required for critical systems as determined by COR.

ITEM 3 - CONTRACTOR’S USE OF PREMISES

3.1 Conduct of Operations Conformance: At all times the contractor shall conduct his operations in conformance with the rules and regulations promulgated by the Secretary of the Interior for the National Park Service, and applicable park rules and regulations prescribed by the Park Superintendent. Superintendent's Compendium for 2023 - Gateway Arch National Park (U.S. National Park Service) (nps.gov)

A. No signs or advertisements (except those specified herein and as required for safety) shall be displayed on the construction site or within the park unless approved by the Contracting Officer.

B. Smoking is not permitted within any Federal building or within 25 feet of entrances, operable windows, or outdoor air intakes.

C. Public Use of Site: Contractor shall at all times conduct operations to ensure the least inconvenience to the public.

3.2 On-site work hours: Work shall be generally performed during normal business working hours of 6:30 a.m. to 4 p.m., Monday through Friday, except when otherwise indicated. Although breaking https://www.nps.gov/jeff/learn/management/superintendent-s-compendium-for-2023.htm https://www.nps.gov/jeff/learn/management/superintendent-s-compendium-for-2023.htm

Page | 6 apart concrete and any loud Jack hammering or noise in kind MUST be done after normal business hours. Those tasks must be done 6:30 AM to 9:30 AM, Monday through Friday.

A. Work on Saturdays, Sundays, Federal holidays, early morning, or at night may not be performed without prior consent from the CO and COR. Submit requests for work outside of the stated normal business hours to the CO and COR for approval at least 48 hours in advance of the work.

The following Federal holidays are observed by the National Park Service may cause an impact to this contract since performance period will be between Labor Day and Thanksgiving:

Columbus Day Veterans Day Thanksgiving Day Christmas Day

B. Note: Any of the above holidays falling on a Saturday will be observed on the preceding

Friday; holidays falling on Sunday will be observed on the following Monday. The specific day that each holiday is recognized for each year can be found at the following site: Federal Holidays (opm.gov).

3.3 Contractor Use of Site:

A. General:Contractor shall have limited use of the site for construction operations. Limit use of premises to construction area as shown on site plan Temporary storage for tools and equipment will be provided in a secure area near interior work site. Do not disturb portions of Project site beyond areas in which the Work is indicated.

B. Driveways: Keep driveways, access roads, and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

1. Schedule deliveries to minimize use of driveways and entrances.

2. Waste Removal / Recycling: Contractor is responsible for removing all waste created by the project. Contractor shall recycle to the highest degree possible and haul debris off site plan or coordinated with COR. Please see submittal list

C. Define site disturbance area, including earthwork and clearing of vegetation, to: N/A

D. Utilities

1. General: Cost or use charges for temporary facilities shall be included in the Contract Sum as required. NA

2. Water Service: Water from existing water system IS available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations without any additional permit costs. Use resources https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/#url=2022 https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/#url=2022

Page | 7 wisely and minimize waste of water.

3. Electric Power Service: Electric power from existing system IS available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations without any additional permit costs. Power may or may not meet your construction power tool requirements, provide generators if questionable. Use power in a resourceful manner and avoid excess power waste.

4. Waste Operation:

a. Toilets: Contractor can use the nearest building restrooms that are located across the hall from where they will be working. They are single stall bathrooms.

b. Waste Removal / Recycling: Contractor is responsible for removing all waste created by the project. Contractor shall recycle to the highest degree possible and empty dumpsters as necessary to avoid debris on site. Locate as shown on site plan or coordinated with COR.

E. Security and Protection facilities:

1. Environmental Protection: Provide protection, of existing facilities, and conduct construction in ways and by methods that comply with state and federal environmental regulations and that minimize possible air, dust, debris, waterway, storm drains, and subsoil contamination or pollution or other undesirable effects.

2. Cleaning of Equipment: Concrete cleanup will require self-containment-(trash or dumpster) mixers and tools cleaned off site.

3. Tree and Plant Protection: N/A.

4. Pest Control: N/A

5. Temporary Enclosures: N/A

6. Site Enclosure Fence: N/A

7. Security Enclosure and Lockup: Park will supply space in the work area of the pumproom.

The area is camera monitored with control card access only

3.4 Storage - Staging Areas:

A. Confine Storage of materials and equipment to the project staging area designated by park. Specific storage and staging area’s will be discussed at the preconstruction briefing. Storage area will be provided in the building at the worksite for pump replacement.

3.5 Preservation of Natural Features: N/A.

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3.6 Hauling Restrictions: Contractor to verify path to site and meet state and county road requirements and height restrictions for all park work/access. Inside the building ONLY OSHA compliant electric or manual floor jacks may be used for transport of product.

3.7 Housekeeping:

A. Keep project neat, orderly, and in a safe condition at all times.

1. Dispose of waste materials and recycling legally outside the park. The contractor shall not use park dumpsters

2. Address Recycling: Government goal is to salvage and recycle as much nonhazardous construction waste as possible. Use sustainable methods to extent possible during this project, recycling material as is probable with local means. Maintain accurate documentary records for submittal of all recycled materials used including fly ash and slag cement.

3.8 Occupancy Requirements for Buildings:

A. Existing Buildings:

1. Full Government Occupancy: Government will occupy building that will be under construction during the entire contract period. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage. Perform the Work so as not to interfere with Government's day-to-day operations. Maintain existing exits, unless otherwise indicated.

a. Maintain emergency egress to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from the CO or COR.

b. Maintain existing building in a weather tight condition throughout construction period. Repair damage caused by construction operations. Protect building and its occupants during construction period.

B. New /Existing Buildings Unoccupied: N/A

3.9 Photo Documentation: Provided daily progress documentation

A. Contractor must provide existing condition, progress, and completion photos. All photos shall be in focus, show maximum range of depth of field general photo and then close up detail photo as needed. Shall be in JPEG digital form and submitted electronically in zip file by email within 7 days from date taken or as approved by COR.

B. Existing Condition Images:

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1. Before starting construction, take color, dated, digital images of project site and adjacent property/roads/etc. that may be impacted by construction activity/traffic. Include existing items to remain or be salvaged from different vantage points and with context for location identification.

C. Construction Progress Images:

1. Document all sub-surface work/ trenches etc. prior to backfill with photos covering enough overall field view to show location and then zoom in for details. (Locations and dimensions shall also be noted on as built drawing set.)

2. Maintain organized index for photos with date, description, etc.

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

D. Completion Images:

1. Document all completed scope of work.

2. Maintain organized index for photos with date, description, etc..

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

3.10 Fire and Life Safety:

A. As a minimum, conduct one weekly 15 minute "toolbox" safety meetings. These meetings shall be conducted by a foreman or supervisor and attended by all construction personnel at the worksite. Topics need to coincide with work scheduled for the following week. Document and submit meeting minutes to the CO and COR within one day after the meeting and document the meetings on the daily reports.

B. Comply with the requirements of NFPA 241 (Standard for Safeguarding Construction, Alteration, and Demolition Operations). Take all necessary precautions to prevent fire during construction. Provide adequate ventilation during use of volatile or noxious substances.

C. Store and handle hazardous materials in accordance with manufacturers and OSHA 29CFR1926 Subpart D requirements 1926 | Occupational Safety and Health Administration (osha.gov). Maintain readily available, on site, MSDS/Safety Data Sheets (SDS) for each chemical. Submit/email electronic SDS sheet to COR when product is brought on site and properly store hazardous materials for safety.

1. Immediately report all spills of hazardous materials to the CO, COR, and park.

2. Maintain a spill emergency response kit.

3. Train employees how to respond to a spill and use the emergency response kit.

3.11 Noise and Acoustics Management:

Noise Control: Perform cutting and jack hammering operations to minimize noise. Perform noise-producing work in less sensitive hours of the day or week as directed by the Contracting Officer or COR.

https://www.osha.gov/laws-regs/regulations/standardnumber/1926 https://www.osha.gov/laws-regs/regulations/standardnumber/1926

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A. Noise Control: Perform cutting and jack hammering operations to minimize noise. Perform noise-producing work in less sensitive hours of the day or week as directed by the Contracting Officer or COR.

B. Repetitive and/or intermittent, high-level noise: Permitted only during Daytime.

1. Do not exceed the following dB(A) limitations at 50 feet:

Sound Level in dB(A) Time Duration of Impact Noise 70 More than 12 minutes in any hour 80 More than 3 minutes in any hour

2. Maximum permissible construction equipment noise levels at 50 feet:

EARTHMOVING dB(A) MATERIALS HANDLING dB(A) Compressors 75 Pneumatic Tools 80 Pumps 75 Saws 75 Generators 75 Vibrators 75

C. Ambient Noise:

1. Maximum noise levels (dB) for receiving noise area at property line shall be as follows:

a. Public receiving area:

Daytime: 65 dB Nighttime: 45 dB

b. Commercial/Industrial receiving area:

Daytime: 67 dB Nighttime: 65 dB

ITEM 4 - COMMENCEMENT, PROSECUTION, AND COMPLETION

4.1 The Contractor shall commence work in accordance with the terms and conditions of the contract.

Contractor shall coordinate and incorporate long lead and delivery time items within the schedule.

ITEM 5 - EXAMINATION OF THE SITE

5.1 All bidders are urged to visit the job site, by appointment, and examine existing nonpublic conditions before submitting bids. Contractors will be accountable for understanding existing conditions. No cost changes for items viewable during site visit will be allowed.

ITEM 6 - ABBREVIATIONS

6.1 The list of abbreviations, standards and organizations which may be used in/referred within the

Construction Specifications or Special Provisions, may be found linked from the listed page below. On the home page, follow the link under “Contracting and Procurement” labeled “NPS Reference Standards.” https://www.nps.gov/orgs/1671/do-business-with-us.htm

ITEM 7 - ACCIDENT PREVENTION

https://www.nps.gov/orgs/1671/do-business-with-us.htm

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7.1 Description: The work of this section consists of establishing and implementing an effective accident prevention program (APP) and providing a safe environment for all personnel and visitors.

7.2 Submittals:

A. Accident Prevention (Safety) Plan (APP): Submit a site-specific accident prevention (safety) plan. The Plan shall be written to comply with OSHA and project requirements (a generic plan is not acceptable) including but not limited to the following:

1. Name and qualifications of responsible supervisor to carry out the program.

2. First aid and rescue procedures.

3. Training, both initial and continuing.

4. Outline of each phase of the work, the hazards associated with each major phase, and the methods proposed to provide for property protection and safety of the public, National Park Service personnel, and Contractor's employees. Identify the work included under each phase, with a Job Hazard Analysis (JHA)/Job Safety Analysis (JSA), etc. A sample JHA template may be provided upon request.

5. Planning for possible emergency situations, such as cave-ins, earthquake, explosions, fires, floods, power outages, slides, and windstorms. Such planning shall take into consideration the nature of construction, site conditions, and degree of exposure of persons and property.

6. Contractor to identify nearest location of medical facility for emergencies

7. Recognition that works will be performed in remote areas with limited communication or cell phone coverage if applicable.

8. Supplemental hazard specific plans may be required IAW 29 CFR 1926 or 1910.

B. Meeting and Inspection Reports: Safety Meetings: As a minimum, conduct 15 minute

"toolbox" safety meetings. These meetings shall be conducted by a foreman and attended by all construction personnel at the worksite. Submit a report of safety meetings and inspections to CO and COR within one day after the meeting and document the meetings on the daily reports.

7.3 Qualification of Employees:

A. Ensure that employees are technically and physically qualified to perform their assigned duties in a safe manner to include operators of vehicles and equipment. Provide operating instructions for all equipment.

B. Do not allow employees to work whose ability or alertness is impaired because of drugs, fatigue, illness, intoxication, or other conditions that may expose themselves or others to injury.

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7.4 Accident Reporting: The Contractor shall report all accidents to the CO and COR as soon as safely possible and assist the CO and COR and other officials as required in the investigation of the accident.

7.5 First Aid Facilities: Provide access to facilities for the number of employees and appropriate to the hazards associated with the types of ongoing construction work at the site.

7.6 Emergency Instructions: Post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site. Note:

Park will provide emergency contact phone numbers for Fire and Life Safety requests that require park access upon award of contract.

7.7 Personal Protective Equipment (PPE): It is the Contractor's responsibility to require all those working on or visiting the site to wear necessary protective equipment at all times.

A. PPE must meet requirements of applicable ANSI standards. Selection shall conform to OSHA 29CFR 1926 Subpart E.

B. A hard hat use area shall be designated by the Contractor. The hard hat area shall be posted by the Contractor in a manner satisfactory to the Contracting Officer.

C. All PPE will be serviceable at all times. At a minimum, maintain 4 sets of PPE including hard hats and all other Accident Prevention Plan required equipment.

7.8 Hazardous Materials: It shall be the responsibility of all operators and contractors, functioning within the park to properly cleanup, mitigate and remediate, if necessary, all unauthorized discharges of hazardous materials or non-hazardous chemical and biological products released from fleet and/or other support vehicles or stationary sources. Response shall be consistent with guidelines established by federal, state, and local regulations, and as outlined within the operator's Safety or Hazardous Materials Business Plan.

A. If a spill, leak, or other release occurs, the operator shall as soon as possible, without impeding cleanup, COR and the National Park Service Emergency Dispatch.

ITEM 8 - PRECONSTRUCTION CONFERENCE

8.1 If the Contracting Officer decides to conduct a preconstruction conference, the successful offeror will be notified and will be required to attend. The Contracting Officer’s notification will include specific details regarding the date, time, and location of the conference, any need for attendance by subcontractors, and information regarding the items to be discussed. See Item 9.1C below.

ITEM 9 - SUBMITTALS

9.1 General Contracting Submittal Procedures:

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A. General: Prepare and submit submittals required by individual Technical Specification

Sections. Types of submittals are indicated in individual specific sections.

1. CM-16 Transmittal Form: All submittals shall be transmitted via electronic email using

National Park Service form CM-16 form. The form will be provided by the Contracting Officer. No action will be taken on a submittal item unless accompanied by the CM-16 transmittal form. Submit completed CM-16 forms to the CO and the COR

B. Submittal List: administrative required submittals are listed below in 9.1.C and does not include technical section submittal requirements included in each technical section.

C. Preconstruction Conference Submittal: Satisfactory evidence of liability insurance coverage and workman’s compensation, and any applicable bonds, must be submitted within 10 calendar days of Notice of Award. The following items shall be submitted a minimum of one week prior to the Preconstruction Conference. If all of these documents have not been received one week prior to the scheduled Pre-Construction Conference date, the conference will be cancelled, Notice to Proceed may not be issued, and the Contracting Officer will consider other contractual remedies. Work shall not commence until written Notice to Proceed has been issued. Contracting Officer will notify Contractor of tentative date for the Pre-Construction Conference:

1. Letter designating Project Superintendent.

2. Construction Schedule. (Must include shop drawings, procurement time including long lead time items, mobilization, trade work progression and completion at minimum.)

3. A comprehensive breakdown of the Schedule of Values.

4. Accident Prevention (Safety) Plan (see section 7 of this document).

5. A list of Subcontractors for this project.

6. Written statements from subcontractors certifying compliance with applicable labor standard clauses (SF1413).

7. Quality Control Plan.

8. Waste Management Plan including disposal method and quantities of debris.

9. List of Required Construction Permits. Include the following information for each permit:

a. Burn permit.

i. The Park (JEFF) with Jurisdiction issuing the permit.

ii. Information required from the Government to complete the permit application. Location, hours and hot plan

9.2 Project Shop Drawings, Product Data, and Samples: Contracting Officer will provide sample cover sheet and a list of required submittals is included in each technical specification or attached at the end of this document.

A. Shop Drawings: Indicate all coordinating materials and work impacting the installation coordination, connection details, anchorage requirements, hardware locations, and installation

Page | 14 details and locations.

1. Submit Shop Drawings according to Part 9.1 of this section to include one digital file

(.PDF or .TIF) and one full size hardcopy documents to COR.

B. Product Data: Provide component construction and specification data sheets, anchorage requirements and any other product specific data.

1. Submit Product Data according to Part 9.1 of this section to include one digital file (.PDF or .TIF) to COR.

C. Samples: Submit 2 color samples 4” x 6” minimum in size for all color and product selections.

Paint samples shall be actual paint finish drawdown for all project colors.

1. Submit Samples CM-16 Transmittal Form according to Part 9.1 of this section to include one digital file (.PDF or .TIF) and physical samples of actual material to COR.

D. Samples: Submit 2 color samples 4” x 6” minimum in size for all color and product selections. Paint samples shall be actual paint finish drawdown for all project colors.

1. Submit Samples CM-16 Transmittal Form according to Part 9.1 of this section to include one digital file (.PDF) and physical samples of actual material to

COR.

E. For submittals specified above, forward submittals to Contracting Officer and COR at least 15 days before need for approval (depends on length of project).

F. After approving submittals, Contracting Officer and/or COR will return one copy to the Contractor. If submittals are not approved, Contracting Officer will return all copies to Contractor with reasons for rejection. Resubmit, identifying changes. Any work done before approval shall be at Contractor's own risk.

9.3 Approved Equals: If an item in this solicitation is identified as “brand name or equal” or lists more than 1 manufacturer, the description of the proposed item must reflect the characteristics and level of quality that will satisfy the Government’s needs as demonstrated by the salient physical, functional, or performance characteristics that “equal” products must meet and/or exceed that as specified in the solicitation or relevant specification.

A. For each item proposed as an “approved equal,” submit supporting data, including:

1. Drawings and samples as appropriate.

2. Comparison of the characteristics of the proposed item with that specified and with the salient characteristics provided.

3. Changes required in other elements of the work because of the substitution.

4. Name, address, and telephone number of vendor.

5. Manufacturer’s literature regarding installation, operation, and maintenance, including schematics for electrical and hydraulic systems, lubrication requirements, and parts lists.

Describe availability of maintenance service, and state source of replacement materials.

B. A request for approval constitutes a representation that Contractor:

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1. Has investigated the proposed item and determined that it is equal or superior in all respects to that specified.

2. Will provide the same warranties for the proposed item as for the item specified.

3. Has determined that the proposed item is compatible with interfacing items.

4. Will coordinate the installation of an approved item and make all changes required in other elements of the work because of the substitution.

5. Waives all claims for additional expenses that may be incurred as a result of the substitution.

C. Approved Equals will be evaluated and approved/disapproved during the submittal process.

9.4 Schedule of Values: Submit the Schedule of Values a minimum of one week prior to the

Preconstruction Conference for COR review. Schedule of Values shall include defined work line items with cost break downs including labor, material, and equipment for COR approval.

9.5 Progress Reporting: The initial Construction Schedule and Schedule of Values are required a minimum of one week prior to the Preconstruction Conference. After the Notice to Proceed is issued and after on-site work begins, progress will be documented via daily logs and by providing an updated Construction Schedule and Schedule of Values when requested, but minimally with each pay application. Submit digital copy electronically (PDF preferred) of all required documents. Construction Schedules are normally in bar chart form and indicate estimated starting and completion dates for each part of the work. For a pay application to be reviewed and processed in a timely manner, the following information must either be submitted prior to or accompany submission of the pay application:

A. Daily progress reports during construction as part of the administration process.

B. Updated Schedule of Values: Breakdown each lump-sum item into component work activities used in the schedule, for which progress payments may be requested. The Schedule of Values will form the basis for payment. The work activities broken out within the schedule of values shall be integrated into and made a logical part of the construction baseline schedule submitted under this specification. The total costs for the component work activities shall equal the contract price for that lump-sum item. The Contracting Officer may request data to verify accuracy of dollar values. A sample Schedule of Values format may be provided upon request.

ITEM 10 – TEMPORARY SERVICES

10.1 It is the Contractor’s responsibility to provide temporary services, equipment, tools, and skilled labor as required for the chosen means and methods to perform the work in accomplishing this Contract.

ITEM 11 - PROJECT CLOSEOUT

11.1 Description: The work of this section consists of final cleanup, closeout submittals, final inspection procedures working toward Final Acceptance.

11.2 Cleaning: Remove all tools, equipment, surplus materials, and rubbish. Move attic stock to location coordinated with COR. At time of final inspection, project shall be thoroughly clean and ready for intended use. Inspector holds the right to reschedule if project is not ready for inspection.

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11.3 Completion and Final Inspection: Contractor shall submit written certification of project completion and request a final inspection to the Contracting Officer and COR. The Contracting Officer or designee will make an inspection within 10 days of receipt of request or at a mutually agreeable time.

A. If the work is determined to be complete following the final inspection with minor comments, the COR will prepare and provide the Contractor a Punch List noting outstanding items to be addressed.

B. If the work is not determined to be complete following the final inspection, the Contracting Officer will notify Contractor in writing, stating reasons. Contractor, after completing the work according to the Contract Documents, shall resubmit completion and request a new final inspection. Re-inspection costs may be charged against the Contractor in accordance with the Inspection of Construction contract clause.

C. Contractor shall complete the Punch List within 30 calendar days, or a time directed by the

CO.

D. Once Contractor completes all items of work on the Punch List and all contractually required items are accepted, Contracting Officer will issue Letter of Final Acceptance of Work and request the final pay application.

E. If the Contractor fails to complete the work within the time frame, the Contracting Officer may correct the work with an appropriate reduction in contract price or charge for re-inspection costs in accordance with the Inspection of Construction contract clause.

F. Disposition of any permits and warranties required by the specifications in this section.

11.4 Final Acceptance of the Work: After all punch list deficiencies have been corrected, a Letter of

Final Acceptance will be issued. A Release of Claims document must be executed and submitted to the Contracting Officer before final payment can occur.

11.5 Warranties

A. Construction Warranty shall be based on date of final acceptance of the work and remain in effect for one year.

B. Provide all manufacturer warranty information of products installed organized by Division.

All contact information, extent of coverage and conditions shall be clearly noted as well as date of overall final acceptance.

C. Information shall include operation and maintenance manuals for each warranted product.

END OF SECTION

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Div. 22 Plumbing 22 13 36 Sewage Pumps Page | 1

DIVISION 22 –

PLUMBING SECTION

22 13 36 SEWAGE

PUMP

REPLACEMENT

PART 1 GENERAL

1.1 REFERENCES

1.2 SUMMARY

1.3 SUBMITTALS

1.4 DELIVERY, STORAGE, AND HANDLING

1.5 EXTRA MATERIALS

PART 2 PRODUCTS

1.1 GENERAL MATERIAL AND EQUIPMENT REQUIREMENTS

1.1.1 Standard Products

1.1.2 Nameplates

1.1.3 Protection from Moving Parts

1.2 MATERIALS AND EQUIPMENT

1.2.1 Check Valves

1.2.2 Cast Iron Gate Valves

1.2.3 Bronze Gate Valves

1.2.3.1 Wall Faucets

1.2.3.2 BACKFLOW PREVENTORS

1.3 Piping

1.3.1 Sleeves

1.3.2 Cast Iron Pipe

1.3.3 Steel Pipe NA

1.3.4 Cast Iron Pipe Fittings

1.3.5 Malleable Iron Fittings NA

1.3.6 Malleable Iron Unions NA

1.3.7 Pipe Hangers and Supports

1.3.8 Bolts, Nuts, Anchors, and Washers

1.4 SEWAGE RECEIVER NA

1.5 AIR COMPRESSOR NA

1.6 AIR RESERVOIR NA

1.7 ELECTRIC MOTOR NA COVERED UNDER 2. Products 6 Motor i.- vii.

1.8 CONTROLS NA COVERED UNDER 2. Products 6 Motor i.- vii.

1.9 ELECTRICAL WORK NA COVERED UNDER 2. Products 6 Motor i.- vii.

1.10 FACTORY PAINTING

1.11 Water Heaters NA

1.12 Hot Water Storage Tanks NA

1.13 Pumps-See 2. Products 2.1Pumps

PART 3 EXECUTION

1.1 EXAMINATION

1.2 PIPING INSTALLATION

1.2.1 Cast Iron Pipe Joints

1.2.2 Steel Pipe Joints NA

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1.2.3 Pipe Hangers and Supports

1.3 VALVE INSTALLATION

1.3.1 Gate Valves

1.3.2 Check Valves

1.4 EQUIPMENT INSTALLATION

1.5 FIELD PAINTING NA

1.6 CONCRETE FOUNDATIONS

1.7 TESTS

1.8 MANUFACTURER'S FIELD SERVICES

-- End of Section Table of Contents --

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced.

The publications are referred to within the text by the basic designation only.

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)

ASME B1.20.1 (2013; R 2018) Pipe Threads, General Purpose (Inch)

ASME B1.20.2M (2006; R 2011) Pipe Threads, 60 Deg.

General Purpose (Metric)

ASME B16.1 (2020) Gray Iron Pipe Flanges and

Flanged Fittings Classes 25, 125, and

ASME B16.3 (2021) Malleable Iron Threaded Fittings, Classes 150 and 300

ASME B16.39 (2020) Standard for Malleable Iron Threaded Pipe Unions; Classes 150, 250, and 300

ASME BPVC SEC VIII D1 (2019) BPVC Section VIII-Rules for Construction of Pressure Vessels Division 1

AMERICAN WATER WORKS ASSOCIATION (AWWA)

AWWA C115/A21.15 (2020) Flanged Ductile-Iron Pipe With Ductile-Iron or Gray-Iron Threaded Flanges

AWWA C203 (2020) Coal-Tar Protective Coatings and Linings for Steel Water Pipelines - Enamel and Tape - Hot- Applied

ASTM INTERNATIONAL (ASTM)

ASTM A53/A53M (2022) Standard Specification for Pipe, Page | 3

Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless

ASTM A153/A153M (2016a) Standard Specification for Zinc

Coating (Hot-Dip) on Iron and Steel Hardware

MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE

AND FITTINGS INDUSTRY (MSS)

MSS SP-58 (2018) Pipe Hangers and Supports - Materials, Design and Manufacture, Selection, Application, and Installation

MSS SP-70 (2011) Gray Iron Gate Valves, Flanged and Threaded Ends

MSS SP-80 (2019) Bronze Gate, Globe, Angle and Check Valves

NATIONA

L

ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NE

MA

250 (2020) Enclosures for Electrical Equipment (1000 Volts Maximum)

NE

MA

ICS 2 (2000; R 2020) Industrial Control and Systems Controllers, Contactors, and Overload Relays Rated 600 V

NE

MA

MG 1 (2021) Motors and Generators

SOCIETY FO R PROTECTIVE COATINGS (SSPC)

SSPC PS 11.01 (1982; E 2004) Black (or Dark Red) Coal Tar Epoxy Polyamide Painting System

1. GENERAL

1.1. This specification includes the supply of four (4) base-mounted, dry-pit submersible solids-handling pumping unit(s), UL Listed, explosion proof Class I, Division 1, Groups C and D hazardous locations. The pumps shall be counterclockwise rotation. One sump pump, an installation of interior wall hose bib faucet with backflow and piping. Replacement of on grade ductile iron sewer line including removal of carpet, demo of floor for piping access. Restoration of flooring, cove base and adjacent drywall, painting and carpet.

1.2. QUALITY ASSURANCE

A. All pumping equipment furnished under this Section shall be of a design and manufacture that has been used in similar applications and shall be demonstrated to the satisfaction of the Owner that the quality is equal to equipment made by that manufacturer specifically named herein.

B. Unit responsibility. Pump(s), complete with motor and all other specified accessories and appurtenances, shall be furnished by the pump manufacturer to insure compatibility and

Page | 4 integrity of the individual components, and provide the specified warranty for all components.

C. The base-mounted, dry-pit submersible solids-handling pump(s) and motor(s) specified in this section shall be furnished by, and be the product of, one manufacturer.

D. Pumps are to be engineered and manufactured under a written Quality Assurance program.

The Quality Assurance program is to be in effect for at least ten years, to include a written record of periodic internal and external audits to confirm compliance with such program .

E. Pump(s) are to be engineered and manufactured under the certification of IS0-9001:2000.

1.3. PERFORMANCE

A. The pump(s) shall be designed for continuous operation and will be operated continuously under normal service.

B. OPERATION CRITERIA

C. Net positive suction head available at the centerline of the pump impeller is UNKNOWN feet at UNKNOWN GPM .

D. Liquid pumped is wastewater with a temperature <68 deg. F., >55 deg. F.

2. PRODUCTS

1.1. PUMPS

A. Manufacturers

1. Basis of design is Fairbanks Nijhuis -Model 4 inch 5433WDK. Acceptable manufactures are Fairbanks Morse Pump or Equal.

2. Manufacturer shall have installations of like or similar application with a minimum of 5 years of service for this pump size.

B. Design

1. Rotation

i. The pump will be counterclockwise rotation when viewed from the driver end looking at the pump.

2. Impeller

i. Impeller shall be of the balanced non-clogging type matched to its constant velocity equalizing pressure volute and be made of close-grained cast iron conforming to ASTM A48 CL30. It shall be of one-piece construction, single suction, enclosed vane, radial flow design with well-rounded leading vanes and then tapered toward the trailing edge for a circular flow pattern to prevent the accumulation of solids and stringy material.

ii. The clearance between the impeller outside diameter and cutwater shall be capable of passing a 3" diameter sphere.

iii. The impeller is to be balanced and secured to the shaft by means of a bolt, washer, and key. The arrangement shall be such that the impeller cannot be loosened from torque in either forward or reverse rotation.

iv. Wiper vanes on the back impeller shroud are not allowed.

v. Impeller shall be trimmed to specifically meet the conditions of operation

3. Volute/Casing

Page | 5

i. Volute is to be cast with extra thick walls made of close-grained cast iron conforming to ASTM A48, Class 30. It is to be one-piece, constant velocity equalizing pressure with smooth fluid passages large enough to pass any size solid that can pass through the impeller.

ii. The volute shall be side flanged tangential discharge and be capable of rotation in 45-degree increments to accommodate piping orientation. Volute discharge shall be minimum 4” diameter as measured on the inside diameter of the discharge flange opening. Diffusion vanes are not permitted.

iii. The volute shall be furnished with large cleanout openings located at the impeller centerline, to allow access to the impeller.

iv. The casing shall be designed to permit the removal of the rotating assembly without disturbing the suction or discharge piping. The casing shall be hydrostatically tested to 1.5 times the design head or 1.25 times the shutoff head whichever is greater.

4. Wear Rings

i. Wear rings shall be provided on both the impeller and fronthead so that clearances can be maintained throughout the life of the rings and minimize recirculation.

ii. Impeller wear rings shall be of the axial- or face-type.

iii. Fronthead wear rings shall be of the axial- or face-type.

iv. Wear rings shall be attached to the impeller and fronthead using an interference fit and Loctite.

v. Wear rings shall be stainless steel, with the impeller wear ring approximately 50

Brinell softer than the fronthead wear ring .

vi. Wear ring clearance adjustment shall be attained through impeller adjustment shims.

5. Base and Suction Elbow

i. A rugged, heavy-duty fabricated steel base with openings large enough to permit access to the suction elbow and cleanout, bolted directly to the volute, shall be provided. The base shall be designed to support the assembled weight of the pump and motor.

ii. A cast iron suction elbow with ½" gauge connection, contoured handhole cleanout, and a 125 lb. flat-faced flange conforming to ANSI drilling shall be furnished.

6. Motor

i. Pump(s) shall be driven by completely sealed, electric submersible squirrel cage induction motors with a maximum NEMA nameplate rating of 7.5 HP,

1.15 service factor, 1170 RPM, 460 volts,3-phase, 60 Hertz. The motor nameplate horsepower rating should exceed the brake horsepower requirements of the specified head and capacity conditions and have a minimum full load efficiency of 59%.

ii. Submersible equipment shall be UL Listed for Class I, Division 1, Groups C and D explosion-proof hazardous locations as defined by the National Electric Code. All electrical parts shall be housed in an air-filled (or oil-filled in 210 frame construction) cast iron, watertight enclosure which is sealed by the use of O-rings and rabbeted joints with extra-large overlaps.

iii. The stator winding and lead shall be insulated with moisture-resistant Class F insulation for continuous duty in 40 degree C ambient. The motor shall be designed for continuous duty capable of ten (1) starts per hour. Automatic reset normally closed thermal overloads shall be imbedded in the motor windings to provide overheating protection. Motor winding thermostats must be connected

Page | 6 to an electric controller per local and state codes and the National Electric Code.

iv. Motor shaft shall be one-piece, 416 stainless steel. Carbon steel shafts or shaft sleeves are not acceptable. Rotor is to be dynamically balanced to meet NEMA vibration limits; all external hardware is to be stainless steel.

v. Cable leads are to enter at the top of the motor and are to allow the cable-to-motor connection to be accomplished in the filed without soldering. All power and control lead wires are to be double sealed as it enters the motor in such a manner that cable-wicking will not occur. This sealing system shall consist of a rubber grommet followed by epoxy that is high in adhesive qualities and has a low coefficient of expansion. Each cable wire is to have a small section of insulation removed to establish a window area of bare wire and each wire is to be untwisted and surrounded by epoxy potting material. A cable strain relief mechanism shall be an integral part of this sealing system. Cable sealing system shall be capable of withstanding an external pressure test of 1200 PSI as well as a cable assembly pull test as required by Underwriters Laboratories.

Singular grommet or other similar sealing systems are not acceptable. Motor shall be supplied with site verified length of multi-conductor type "SOW-A" or 'W' power cable and control cable. Cable sizing shall conform to NEC specifications and be UL Listed.

vi. Power and control leads shall be terminated on a sealed terminal board. The terminal board and its bronze lugs shall be O-ring sealed.

vii. Control system unit monitors compatible with existing ACES building management program (BMP)will be installed on each pump unit with associated programing to existing BMP.

viii. The motor cooling jacket (frame 250 and larger) shall be sealed to the motor housing with O-rings. A portion of the liquid being pumped shall be used to cool the motor. The liquid enters the motor cooling jacket internally via a self-cleaning, rotating flow-control disc to prevent solids from entering and accumulating in the mechanical seal area and cooling water jacket. The cooling jacket shall be designed so that on start-up there is a means to purge the air from the jacket as the cooling water enters.

7. Shaft Seal Arrangement

i. Pump(s) shall be provided with two separate tandem-mounted mechanical seals to prevent the pumped liquid from entering the rotor/stator cavity area to ensure reliability of operation. The upper and lower seals are mounted to rotate in the same direction.

ii. The upper seal shall be immersed in an oil bath and seals the oil chamber and the motor housing. The lower seal mating surfaces are to be immersed in the oil bath sealing the pump volute and the oil chamber. Each seal shall be held in contact by its own spring system and require neither maintenance nor adjustment but shall be easily inspected and replaceable. The inner seals shall be installed using a snap ring on the polymeric body and positive locator machined in the ID of polymeric body. Outer seals shall be positively driven via a stainless steel lock collar clamped to the body of the bellows. All O-rings shall be high temperature FKM O-rings. A solid polymeric elastomer bellows shall provide lower seal compression and by design be impervious to stringy material in the pumped fluid.

iii. Seal materials for the upper seal shall be stainless steel and Buna-N components, carbon rotating face and ceramic stationary face lapped to within 3 helium light bands. Lower seal construction shall be stainless steel and Buna-N components

Page | 7 with solid silicon carbide versus tungsten carbide faces. Use of mechanical seals utilizing single or multiple metal springs that may collect stringy material are prohibited.

iv. Two moisture detection probes shall be installed so that they will detect moisture in either the seal or stator cavity measuring resistivity between the probes. They shall be wired internally to the control cable connection at the top of the motor.

Float type devices located in the rotor/stator area or single probe-to-ground moisture detectors measuring continuity are not acceptable. O-ring sealed inspection plugs shall be provided in the mechanical seal oil chamber for ease of inspection, draining and filling of oil.

8. The pump shall rotate on a grease lubricated-for-life thrust bearing, and grease lubricated radial bearing with a minimum L10 life ·of 40,000 hours. Lower shaft bearings shall be locked in place to prevent shaft movement and to take thrust loads.

9. Fits and Hardware

i. All machined bolts, nuts, and cap screws shall be stainless steel and be of the hex-head type and will not require the use of any special tools.

10. Testing

i. A certified factory performance test shall be performed on each pumping unit in accordance with Hydraulic Institute Standards, latest edition. Tests shall be sufficient to determine the curves of head, input horsepower, and efficiency relative to capacity from shutoff to 150% of design flow. A minimum of six points, including shutoff, shall be taken for each test. At least one point of the six shall be taken as near as possible to each specified condition.

ii. Results of the performance tests shall be certified by a Registered Professional Engineer and submitted for approval before final shipment.

11. Pumps shall be manufactured by companies whose management system is registered to

ISO-9001 :2000.

Submit the following in accordance with Section 01 33 00

SUBMITTAL PROCEDURES:

SD-02 Shop Drawings Equipment Installation

SD-03 Product Data Materials and Equipment Sewage Receiver Sump Pump Air Reservoir Electric Motor Controls/controllers Spare Parts

SD-10 Operation and Maintenance Data Warranty and Operation and Maintenance Manuals;

1.3 DELIVERY, STORAGE, AND HANDLING

Protect equipment delivered and placed in storage from the weather, excessive humidity and excessive temperature variation; and dirt, dust, or other contaminants.

1.4 EXTRA MATERIALS

Submit spare parts data for each different item of material and equipment specified and include a complete list of parts and supplies, with current unit prices and source of supply.

Provide one set of special tools, calibration devices, and instruments required for

Page | 8 operation, calibration, and maintenance of the equipment.

2 PRODUCTS

1.1 GENERAL MATERIAL AND EQUIPMENT REQUIREMENTS

1.1.1 Standard Products

Provide materials and equipment which are the standard products of a manufacturer regularly engaged in the manufacture of such products and which essentially duplicate items that have been in satisfactory use for at least 2 years prior to bid opening. Provide equipment supported by a service organization that is, in the opinion of the Contracting Officer, reasonably convenient to the site. Submit data consisting of manufacturer's descriptive and technical literature, catalog cuts, performance charts and curves, and installation instructions.

1.1.2 Nameplates

For each major item of equipment, provide the manufacturer's name, address, type or style, model or serial number, and catalog number on a plate secured to the item of equipment.

1.1.3 Protection from Moving Parts

Fully enclose or guard belts, pulleys,…