IFB 2000004066

ATTACHMENT C – TECHNICAL SPECIFICATIONS

ATTACHMENT C

TABLE OF CONTENTS

SECTION TITLE

01300 Submittals

01700 Operations/Maintenance and Warranty Manuals

01705 As-Built Documentation

01720 Closeout and Warranty Performance

02960 Temporary Bypass Pumping Systems

SUBMITTALS 01300-1 AUGUST 2025

SECTION 01300

SUBMITTALS

GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, Special Provisions, and individual Specification Sections.

1.2 SUMMARY

A. This Section includes administrative and procedural requirements for submittals from the CONTRACTOR.

1.3 SUBMITTAL PROCEDURES

A. Submit Shop Drawings to OWNER/ ENGINEER for review and approval in accordance with the CONTRACTOR’s accepted schedule of Shop Drawings and Sample submittals.

B. Determine and verify before submitting each Shop Drawing or Sample:

1. Field measurements, quantities, dimensions, specified performance criteria, installation requirements, materials, catalog numbers, and similar information with respect thereto.

2. Materials with respect to intended use, fabrication, shipping, handling, storage, assembly, and installation pertaining to the performance of the Work.

3. Information relative to CONTRACTOR's sole responsibilities with respect to means, methods, techniques, sequences, and procedures of construction, and safety precautions and programs incident thereto.

C. CONTRACTOR shall also have reviewed and coordinated each Shop Drawing or Sample with other Shop Drawings and Samples, and with the requirements of Work and Contract Documents.

1. Each submittal will bear a stamp, or specific written indication, that CONTRACTOR has satisfied CONTRACTOR's obligations under the Contact Documents with respect to CONTRACTOR's review and approval of that submittal.

2. At the time of each submission, CONTRACTOR shall give OWNER/ ENGINEER specific written notice of such variations, if any, that the Shop Drawing or Sample submitted may have from the requirements of the Contract Documents, such notice to be in a written communication separate from the submittal; and, in addition, shall cause a specific notation to be made on each Shop Drawing and Sample submitted to OWNER/ ENGINEER for review and approval of each such variation.

SUBMITTALS 01300-2 AUGUST 2025

D. OWNER/ ENGINEER will review and approve Shop Drawings and Samples in accordance with the CONTRACTOR’s schedule of Shop Drawings and Sample submittals accepted by OWNER/ ENGINEER.

1. OWNER/ ENGINEER's review and approval will be only to determine if items covered by submittals will, after installation or incorporation in Work, conform to information given in the Contract Documents, and be compatible with the design concept of the completed Project as a functioning whole as indicated by the Contract Documents.

2. OWNER/ ENGINEER's review and approval will not extend to means, methods, techniques, sequences, or procedures of construction (except where a particular means, method, technique, sequence, or procedure of construction is specifically and expressly called for by the Contract Documents), or to safety precautions or programs incident thereto.

3. The review and approval of a separate item as such will not indicate approval of the assembly in which the item functions.

4. CONTRACTOR shall make corrections required by OWNER/ ENGINEER, and shall return the required number of corrected copies of Shop Drawings and submit as required new Samples for review and approval.

5. CONTRACTOR shall direct specific attention in writing to revisions other than corrections called for by OWNER/ ENGINEER on previous submittals.

E. OWNER/ ENGINEER's review and approval of Shop Drawings or Samples shall not relieve CONTRACTOR from responsibility for variation from requirements of the Contract Documents, unless CONTRACTOR has in writing called OWNER/ ENGINEER's attention to each such variation at the time of submission, and OWNER/ ENGINEER has given written approval of each such variation by specific written notation thereof incorporated in, or accompanying, the Shop Drawing or Sample approval; nor will approval by OWNER/ ENGINEER relieve CONTRACTOR from any such responsibility.

F. Where a Shop Drawing or Sample is required by Contract Documents or schedule of Shop Drawings and Sample submissions accepted by OWNER/ ENGINEER, related Work performed prior to OWNER/ ENGINEER's review and approval of pertinent submittal will be at the sole expense and responsibility of CONTRACTOR.

G. Hazardous Communication Program: Coordinate the exchange of material safety data sheets or other hazardous communication information required to be made available to, or exchanged between, other employees at the site in accordance with Laws or Regulations.

H. The OWNER/ ENGINEER will review each submittal a maximum of two times at no cost to CONTRACTOR. Beginning with the second resubmittal, OWNER will back charge the CONTRACTOR for OWNER/ ENGINEER’s time and materials to provide resubmittal reviews. Back charge rates will be determined as per the rates between the ENGINEER and the OWNER in effect at the time.

SUBMITTALS 01300-3 AUGUST 2025

1.4 CONSTRUCTION PROGRESS SCHEDULES

A. Provide as required by Special Provisions Section 27 Construction Schedule and Schedule of Values.

1.5 SCHEDULE OF VALUES

A. Provide as required by Special Provisions Section 27 Construction Schedule and Schedule of Values.

1.6 FORMAT AND QUANTITY OF SUBMITTALS

A. Transmittal Form:

1. Transmit each submittal, except sample installations and sample panels, to the office of the approving authority. Transmit submittals with a transmittal form approved by the OWNER/ ENGINEER and use as a standard for the project.

Transmittal form shall identify CONTRACTOR, indicate date of submittal, and include information prescribed by the transmitted form and required in the paragraph entitled "Identification of Submittals." Process transmittal forms to record actions regarding sample panels and sample installations.

2. In order to indicate that the submittals have been Reviewed and Approved by CONTRACTOR as to conformance to Contract Documents, CONTRACTOR shall have made and shall use labels and/ or a rubber stamp which shall materially conform to the following sample:

Submittal No.:

Contract No.: Project No.:

CONTRACTOR

REVIEWED AND

APPROVED for Conformance with the Contract Documents By:

(Signature) (Date)

References:

Drawing Sheet No's.:

Specification Section No.:

Specification Paragraph No.:

3. Utilize a ten-character submittal identification numbering system in the following manner:

a. The first character shall be:

i. D (for Shop/ Working Drawing and other Product Data).

ii. S (for Samples).

SUBMITTALS 01300-4 AUGUST 2025

iii. M (for Operating/ Maintenance Manual).

b. The next five digits shall be the applicable Specification Section Number.

c. The next three digits shall be numbers 001-999 to sequentially number each different submittal submitted under each specific Section number.

d. The last character shall be letter, A-Z, indicating an initial submission or resubmission of the same drawing, i.e.:

i. A (indicating the initial submission).

ii. B (indicating the second submission or first resubmission).

iii. C (indicating the third submission or second resubmission).

iv. And so on.

e. A typical submittal number would be D-03300-008-B which would indicate the following:

i. D - Shop Drawing type submittal.

ii. 03300 - Specification Section 03300 for Concrete.

iii. 008 - The eighth different submittal under this specification section number.

iv. B - The second submission (first resubmission) of this particular submittal package.

f. For equipment submittals, each submittal and corresponding submittal number shall address a single item or type of equipment.

4. OWNER/ ENGINEER’s review:

a. Submittals reviewed by OWNER/ ENGINEER will be returned to CONTRACTOR with OWNER/ ENGINEER's comments, if any.

b. The OWNER/ ENGINEER reserves the right to require written confirmation from CONTRACTOR that comments placed on submittals stamped "APPROVED AS NOTED" will actually be followed.

c. The OWNER/ ENGINEER will make every reasonable effort to process and return each submittal within 30 calendar days after its receipt in OWNER/ ENGINEER's office. The need for resubmissions or delay in obtaining OWNER/ ENGINEER's review or approval of submittals will not entitle CONTRACTOR to an extension of time for Contract completion.

B. Identification of Submittals:

1. Assign each submittal a sequential number as described above.

SUBMITTALS 01300-5 AUGUST 2025

2. Clearly identify products and materials submitted with appropriate equipment name and equipment tag number (if any) and installation location as it appears in the Contract Documents.

3. Accompany each submittal with a letter of transmittal showing information required for identification and checking.

4. On at least the first page of each submittal, and elsewhere as required for positive identification, show the submittal number in which the item was included.

5. Submittal log:

a. Maintain an accurate submittal log, showing current status of submittals.

b. Make the submittal log available for review upon request.

C. Submittal Content:

1. Each submittal shall address information from a single specification Section.

2. When a specification Section addresses multiple items of equipment, provide a unique submittal for each distinctly different type of equipment. When this is required or directed by the OWNER/ ENGINEER, provide and identify submittals per paragraph number.

3. Do not combine unrelated equipment or equipment from different specification sections in the same submittal.

D. Format for Shop Drawings:

1. For shop drawings presented on sheets larger than 8 1/ 2-inches by 11 inches, include on each drawing the drawing title, number, date, and revision numbers and dates, in addition to the information required in the paragraph entitled "Identification of Submittals."

2. For shop drawings presented on sheets 8 1/ 2-inches by 11 inches or less, conform to the format and quantity requirements for product data, and present as a part of the bound volume for the submittals required by the Section.

3. Dimension drawings, except diagrams and schematic drawings; prepare dimensioned drawings to scale. Identify materials and products for work shown.

4. Shop drawings shall be not less than 8 1/ 2 by 11 inches or more than 30 by 42 inches.

5. Submit detailed drawings and descriptions of proposed deviations from details or component arrangement indicated on the drawings.

6. Provide finished drawings for approval indicating proposed installation of Work, and materials and equipment being furnished.

SUBMITTALS 01300-6 AUGUST 2025

7. Copies of plans will not be accepted for submission as drawings, nor will catalog numbers alone of materials or equipment.

8. Data shown on working drawings shall be sufficiently complete with respect to dimensions, design criteria, material of construction, and other details to enable review.

E. Format and Quantity for Product Data:

1. Description:

a. Product Data submittals: Those submittals that contain information regarding a specific product to be provided or furnished by the CONTRACTOR under this contract.

2. Present product data submittals for each Section as a complete, bound volume.

Include a table of contents listing page and catalog item numbers for product data.

3. Indicate, by prominent notation, each product which is being submitted; indicate the Section and paragraph numbers to which it pertains.

4. Supplement product data with material prepared for the project to satisfy submittal requirements for which product data does not exist. Note that the material is developed specifically for the project.

5. Catalog data shall be explicit with regard to details of products being furnished and complete enough to enable OWNER to determine that products submitted conform to requirements of specifications.

6. For submittals with more than one style, size, capacity, etc. of a product on a sheet, clearly indicate exactly which product type is being submitted for approval. Failure to do this is cause for rejection.

7. Catalog data shall bear name of manufacturer of product.

F. Format of Administrative and Closeout Submittals

1. Description:

a. Administrative Submittals: Submittals that are not Shop Drawings or Samples, or that do not reflect quality of product or method of construction.

b. Quality Control Submittals: Those submittals pertinent to quality control on the project.

c. Closeout Submittals: Those submittals required to achieve contract closeout.

2. Submit administrative and closeout submittals in the format and quantities required for shop drawings.

SUBMITTALS 01300-7 AUGUST 2025

3. If the submittal includes a document which is to be used in the project or become a part of the project record, other than as a submittal, do not apply the CONTRACTOR's approval stamp to the document. Apply CONTRACTOR’s approval stamp to a separate sheet accompanying the document.

G. Format - Electronic Version

1. Windows compatible.

2. Text in most current version of Microsoft Word (*.doc) or Adobe Acrobat (*.pdf) format, with searchable text.

3. Drawings in Adobe Acrobat (*.pdf) format.

4. Images or photographs in Adobe Acrobat, image files (*.jpg or *.gif format), or other OWNER-approved format.

a. Photographs or images shall be minimum 150 dpi resolution to provide sufficient clarity.

H. Unless otherwise directed in writing, CONTRACTOR shall submit the following number of copies of each submittal:

1. Product Data, Shop Drawings, and Working Drawings: 5 copies for the following distribution, however if the CONTRACTOR wants more copies to provide to his sub-contractors and vendor the CONTRACTOR may submit additional copies:

a. OWNER/ ENGINEER’s review:

i. Hard copies: 3 copies. 1 copy for circulation and review, 1 copy for file, and 1 copy for the field representative.

ii. Electronic copies: 1 copy.

b. OWNER’s records:

i. Hard copies: 1 copy.

ii. Electronic copies: 2 copy.

c. Returned to CONTRACTOR:

i. Hard copies: 5 copies.

(1) 1 copy for Record Documents file.

(2) 1 copy for CONTRACTOR’s records.

(3) 3 copies for circulation to sub-CONTRACTORs and suppliers.

2. Samples: Provide two sets of required samples. One sample will be returned after review with notations resulting from review.

SUBMITTALS 01300-8 AUGUST 2025

3. O&M Manuals: As specified in Section 01700 O&M and Warranty Manuals.

4. Start-up Plan: Provide start-up plan in the same number and for the same distribution as for O&M manuals in Section 01700. Include any phased equipment start-up as part of the plan.

5. Training Manuals: Provide copies in the same number and for the same distribution as for O&M Manuals in Section 01700.

1.7 MANUFACTURER'S CERTIFICATIONS

A. When specified, submit manufacturers' certifications to OWNER/ ENGINEER for review, in quantities specified for shop drawings.

B. Indicate material and equipment conforms to or exceeds specified requirements.

Submit supporting reference date, affidavits, and certifications as appropriate.

C. Certifications may be recent or previous test results on material or product, but must be acceptable to OWNER/ ENGINEER.

D. Certification submittals shall be made in accordance with the following:

1. A certification submitted for a product, or component of a product, indicates test results proving that product, or component, meets the requirements of the standard specified in the Contract Documents.

2. An affidavit consisting of a sworn statement by an official of the company manufacturing the product indicating that information on certification is true and accurate shall accompany the certification.

3. A statement originating from CONTRACTOR, or his SUBCONTRACTORs, suppliers, or other agent which merely indicates that a particular item of equipment, product, or component of a product, meets the requirements of Contract Documents shall not be considered a certification. A submittal made in this manner will not be approved and corresponding equipment, product, or component, shall not be finally accepted.

1.8 PROFESSIONAL OWNER/ ENGINEERING REQUIREMENTS

A. Submittals where specified shall be signed and sealed by a licensed Professional Engineer.

B. The Professional Engineer shall be registered in the appropriate design discipline and in the state where the project is being constructed.

1.9 CONSTRUCTION PHOTOGRAPHS

A. Provide as per the requirements of Specification Section 01250 Project Reporting and Photographs.

SUBMITTALS 01300-9 AUGUST 2025

B. Do not permit prints to be issued for any other purpose without specific written approval from the OWNER/ ENGINEER.

1.10 PROGRESS REPORTS

A. Provide as per the requirements of Specification Section 01250 Project Reporting and Photographs.

PRODUCTS (NOT USED)

EXECUTION (NOT USED)

END OF SECTION

OPERATIONS/MAINTENANCE AND 01700-1 FEBRUARY 2019

WARRANTY MANUALS

SECTION 01700

OPERATIONS/MAINTENANCE AND WARRANTY MANUALS

GENERAL

1.1 GENERAL

A. The CONTRACTOR is to furnish all labor, materials, and data to produce and submit Operations/Maintenance and Warranty Manuals in accordance with applicable Contract provisions.

B. Impacts resulting from the CONTRACTOR’s failure to meet Operations/Maintenance and Warranty Manual requirements shall in no part become the subject of a claim for extension of time or for excess costs or damages by the CONTRACTOR.

PRODUCTS (NOT USED)

EXECUTION

3.1 GENERAL

A. Prior to Substantial Completion inspection, the CONTRACTOR shall prepare and deliver one copy of the Operations/Maintenance and Warranty manuals and a digital copy in PDF format to the OWNER/ENGINER, or a location designated by the OWNER/ENGINEER. Prior to release of final payment the manuals must be approved by the ENGINEER, and will not be accepted as final until so stamped.

3.2 FORMAT

A. Operation/Maintenance manual(s) shall be in the form of three-ring, loose-leaf binder(s) similar to “National” metal hinge or approved equal and labeled as “Operation/ Maintenance Information”, Name of Project, and Project Number. Titles shall be on each binder front cover and spline. Sheets larger than 8 ½” x 11” shall not be used, except for sheets neatly folded to 8 ½” x 11” and used as a pull-out. All included material is to be identified via a Table of Contents and indexed by specification section using index dividers.

B. All project warranties including but not limited to those for equipment, materials, products systems or installations shall be provided in the form of three-ring, loose-leaf binder(s) similar to “National” metal hinge or approved equal and labeled as “Project Warranties”, Name of Project, and Project Number. Titles shall be on each binder front cover and spline. Each warranty shall be identified by its respective Specification Section neatly typed in the top margin of the warranty. All included material is to be identified via a Table of Contents and indexed by specification section using index dividers.

OPERATIONS/MAINTENANCE AND 01700-2 FEBRUARY 2019

3.3 CONTENT

A. Operation/Maintenance Manual(s)

1. The CONTRACTOR shall identify each item in a manner consistent with names and identification numbers used in Contract Documents, not with manufacturer's catalog numbers.

2. The CONTRACTOR shall neatly type or draft all data not furnished in printed form.

3. The CONTRACTOR shall organize data for ease of reference.

4. In preparing the Maintenance Manual, the CONTRACTOR shall include the following:

a. A list of all SUBCONTRACTORs and material suppliers. Indicate trade and submit the name and address of each, along with their telephone number, email address and fax number.

b. A complete description of each mechanical and electrical system in the project and other items as applicable and hereinafter outlined. Include complete operating and maintenance instructions on each piece of equipment installed, as hereinafter described, the name, address and telephone number of each SUBCONTRACTOR that installed the system, and the name, address and telephone number of the local representative of each piece of equipment installed. The manual shall list all equipment with maintenance periods and schedules and maintenance procedures.

i. Description of electrical system (as applicable):

(1) Catalog data on each piece of electrical sub panel

(2) Provide an as-built riser diagram of the complete electrical system

(3) Provide an as-built panel schedule with directories of circuits

(4) Provide cut sheets of all lighting fixtures

(5) Description and instructions of any smoke/fire detection systems or alarms and any required certification of compliance and testing

(6) Description and instructions of any security or other special systems

ii. Description of mechanical system (as applicable):

(1) Catalog data on each piece of plumbing equipment furnished

(2) Maintenance and lubrication instruction on each piece of equipment furnished; these instructions must be on the letterhead of the manufacturer of the equipment

OPERATIONS/MAINTENANCE AND 01700-3 FEBRUARY 2019

(3) A record temperature control diagram by control manufacturer

(4) List each temperature control used by manufacturer and model number

(5) Description and operating manual of sprinkler system and certificate that all required tests on the system have been performed

iii. Description of Ventilating and exhaust fans (as applicable):

(1) Make, model number, size and representative

B. Warranty Manual(s)

1. Warranty information for each piece of installed equipment, item, feature of construction, or system should minimally include the following:

a. Name of Item

b. Model and serial numbers

c. Location where installed

d. Name and phone numbers of manufacturers or suppliers

e. Names, addresses, and telephone/email contact information for sources of spare parts or service

f. Warranties and terms of warranty. This shall include one-year overall warranty per the terms of the Contract. Items which have extended warranties shall be indicated with separate warranty expiration dates. All warranties start dates shall be in accordance with the Special Provisions Section 55 Warranty.

g. Cross-reference to the associated Operations/ Maintenance Manual information

h. Summary of maintenance procedures required to continue the warranty in force

i. Typical response time and repair time for various warranted equipment

C. The CONTRACTOR shall also ensure that any instructions and/or operational information critical for warranty and/or safety are posted near identified pieces of equipment.

AS-BUILT DOCUMENTATIONS 01705-1 FEBRUARY 2019

SECTION 01705

AS-BUILT DOCUMENTATIONS

GENERAL

1.1 SUMMARY

A. The CONTRACTOR is to furnish all labor, materials, and data necessary to maintain and produce project As-Built drawings and specifications in accordance with applicable Contract provisions.

B. Impacts resulting from the CONTRACTOR’s failure to meet As-Built requirements shall in no part become the subject of a claim for extension of time or for excess costs or damages by the CONTRACTOR.

C. The terms ‘drawings”, “contract drawings”, “drawing files”, “working as-built drawings”, and “final as-built drawings” all refer to contract drawings which are revised to be used for final as-built drawings.

PRODUCTS (NOT USED)

EXECUTION

3.1 GENERAL

A. The CONTRACTOR shall revise paper drawings and specifications by red-line process to show the as-built conditions during the execution of the project. These working as-builts shall be kept current on a weekly basis and at least one set shall be available for review at the jobsite at all times. Changes from the contract documents which are made in the work or additional information which might be uncovered in the course of construction shall be accurately and neatly recorded as they occur by means of details and notes on the drawings.

3.2 PAYMENT

A. As-Built packages are line items in the Schedule of Values as required in the Special Provisions. Payment for as-built drawings and specifications will be made as a single payment at the time of the completed As-Built package submission and approval.

Single payment notwithstanding, the working as-built marked documents and final as-built packages will be jointly reviewed for accuracy and completeness by the OWNER/ENGINEER and the CONTRACTOR prior to each of the CONTRACTOR’s monthly Application for Payment.

3.3 CONTENT

A. The As-Built package shall be separated into two distinct submissions.

B. As-Built Site Plan

AS-BUILT DOCUMENTATIONS 01705-2 FEBRUARY 2019

1. The CONTRACTOR shall submit an as-built site plan prepared by a licensed Land Surveyor or licensed Professional Engineer, for review and approval by local authorities having jurisdiction for conformance with the approved site plan.

2. Submission shall be one (1) mylar transparency and seven (7) black line printed copies. The as-built site plan shall be in accordance with, but not limited to, the requirements of the Fairfax County Zoning Ordinance 17-300 for As-Built Site Plans. The CONTRACTOR shall pay any required filing fees at no additional cost to the OWNER.

3. Submission information should minimally include the following as applicable:

a. Boundary of the site

b. Dimensional location/size of all structures

c. All storm sewer, sanitary sewer, and fire hydrants, showing pipe sizes, lengths, top and invert elevations and percent of slope of pipe

d. Deed book and page number of any dedication and all easements

e. Location and cross-sectional survey of any storm water or bio retention areas(s)

f. Certification by the engineer or surveyor indicating that the as-builts conform with the approved site plan except as shown and that it represents the actual conditions on the site, and bearing his/her signature and Virginia Registration Number

g. Curb and gutter and/or ditch elevations

h. Any other pertinent information as determined by the OWNER/ENGINEER

C. Project Record As-Built

1. The CONTRACTOR shall submit a digital sets of red-lined Contract drawings and specifications for review and approval of the OWNER/ENGINEER. The documents should be marked to reflect actual architectural, structural, electrical, plumbing, mechanical, and other trades final as-built conditions of the project.

2. Submission information should minimally include the following:

a. Changes in details of design or additional information obtained from working drawings and specifications including but not limited to fabrication, erection, material changes/substitutions, installation plans and placing details, etc.

b. Where contract drawings or specifications present options, only the option selected for construction shall be shown

c. Changes or modifications resulting from the substantial completion or final inspections

AS-BUILT DOCUMENTATIONS 01705-3 FEBRUARY 2019

d. Changes or modifications brought about as a result of RFI, field order, or change order action

e. Location of internal utilities and appurtenances concealed in construction referenced to visible and accessible features of structure

f. Field changes of dimension and/or detail

CLOSEOUT AND WARRANTY PERFORMANCE 01720-1 DECEMBER 2025

SECTION 01720

CLOSEOUT AND WARRANTY PERFORMANCE

GENERAL

1.1 SUMMARY

A. The CONTRACTOR is to furnish all labor, materials, and data necessary to support project close-out activities in accordance with applicable Contract provisions.

B. Impacts resulting from the CONTRACTOR’s failure to achieve timely close-out shall in no part become the subject of a claim for extension of time or for excess costs or damages by the CONTRACTOR.

1.2 RELATED SPECIFICATION SECTIONS

A. Special Provisions

B. Section 01700 Operation / Maintenance and Warranty Manuals

C. Section 01705 As-Built Documentation

PRODUCTS (NOT USED)

EXECUTION

3.1 FINAL INSPECTION

A. The CONTRACTOR shall submit written certification to the OWNER that:

1. The CONTRACTOR has reviewed/audited all Contract documents for compliance

2. All work has been completed in accordance with Contract requirements

3. Equipment and systems have been tested, commissioned, and are operational in accordance with Contract requirements

4. The project is complete and ready for Final Inspection

B. Final Inspection should occur no later than ten (10) working days after the CONTRACTOR’s request and OWNER/ENGINEER concurrence of readiness.

Inspection shall be made with representatives of the CONTRACTOR and the OWNER/ENGINEER. If the inspection and review of all Contract requirements confirms the Contractor has achieved Final Completion, the Contractor may proceed with Request for Final Payment as stipulated below.

C. Should the joint Final Inspection find that work is not complete:

CLOSEOUT AND WARRANTY PERFORMANCE 01720-2 DECEMBER 2025

1. The OWNER/ENGINEER shall immediately notify the CONTRACTOR accordingly and follow up such notice in writing stating the reasons. The Contractor shall complete all items noted within 7 calendar days after issuance and send a second written notice to the Owner certifying that the Project is complete.

The Owner has the right to complete any items not completed within timeframes stated above and deduct all related costs from the Contract.

2. OWNER/ENGINEER shall schedule a second inspection.

3. At the Owner’s discretion, Contractor shall pay all costs associated with repetitive re-inspections (more than two re-inspections) of the same items on any list of incomplete Work items or final punchlist

3.2 FINAL APPLICATION FOR PAYMENT

A. Prior to submitting the Request for Final Payment, the CONTRACTOR shall submit:

1. A CONTRACTOR’s Affidavit of Release of Liens, AIA G706A, with:

a. Consent of Surety to Final Payment: AIA G707

b. CONTRACTOR’s release of waiver of liens

c. Separate releases of waivers of liens for SUBCONTRACTORs, suppliers, and others with lien rights against property of OWNER, together with a list of those parties

d. CONTRACTOR’s Affidavit of Payment of Debts and Claims; AIA G706

2. Approved as-built drawings, operation and maintenance manuals and other project close-out submittals as required by the Contract Documents.

3. When the OWNER/ENGINEER notifies the CONTRACTOR that they find the work acceptable under the Contract documents and the Contract fully performed, the CONTRACTOR may submit a Final Certificate for Payment stating that to the best of their knowledge, information and belief, and on the basis of their observations and inspections, the work has been completed in accordance with the terms and conditions of the Contract documents.

3.3 WARRANTY PERFORMANCE

A. The CONTRACTOR’s Performance Bond shall remain effective throughout the life of all warranties and warranty extensions. In the event the CONTRACTOR fails to commence and diligently pursue any construction warranty work required, the OWNER will have the work performed by others, and after completion of the work, will charge any remaining construction warranty funds for expenses incurred by the OWNER while performing the work, including, but not limited to administrative expenses. In the event sufficient funds are not available to cover the construction warranty work performed by the OWNER at the CONTRACTOR’s expense, the OWNER will have the right to recoup expenses from the CONTRACTOR’s Bonding Company.

CLOSEOUT AND WARRANTY PERFORMANCE 01720-3 DECEMBER 2025

B. Following oral or written notification of the required construction warranty repair work, the CONTRACTOR shall, within the Priority time frames listed below, respond of his intentions/actions in pursuit of the warranty repair. The OWNER will follow any oral instructions with written verification. Failure of the CONTRACTOR to respond will be cause for the OWNER to proceed against the CONTRACTOR.

C. Warranty Repair Priority

1. The severity of the warranty issue will be evaluated by the OWNER and a Response Priority assigned to the notice as followings:

a. First Priority Code 1 – CONTRACTOR to provide on-site inspection to evaluate the situation and determine the course of action within four (4) hours, initiate the work within six (6) hours and work continuously to completion or relief.

b. Second Priority Code 2 – Perform on-site inspection to evaluate the situation and determine the course of action within eight (8) hours, initiate the work within 24 hours and work continuously to completion or relief

c. Third Priority Code 3 – Necessary work to be initiated within three working days and work performed during standard work hours each subsequent day to completion or relief.

D. CONTRACTOR’s Response to Construction Warranty Requirements

1. Following the oral or written notification by the OWNER, the CONTRACTOR shall respond to construction warranty service requirements in accordance with the assigned Response Priority code. The CONTRACTOR shall submit a report within seven (7) calendar days after completion of activities on any warranty item that has been repaired during the warranty period. The report shall include:

a. The cause of the problem

b. The date/time reported

c. The assigned Response Priority Code

d. Corrective action taken

e. When repairs were completed

E. If the CONTRACTOR does not perform the construction warranty within the time frames specified, the OWNER retains the right to perform the work and back charge any established construction warranty payment item or seek relief through the CONTRACTOR’s Bonding Company.

TEMPORARY BYPASS PUMPING SYSTEMS 02960-1 DECEMBER 2025

SECTION 02960

TEMPORARY BYPASS PUMPING SYSTEMS

GENERAL

1.1 DESCRIPTION

A. This section includes requirements for the Contractor to furnish all materials, labor, equipment, power, maintenance, etc. to implement a temporary pumping system for the purpose of diverting existing sewage flow around the work area for the duration of the project.

B. The design, installation, and operation of the temporary pumping system shall be the Contractor’s responsibility. The Contractor shall employ the services of a vendor or staff member who can demonstrate to the Engineer that he specializes in the design and operation of temporary bypass pumping systems.

C. No overflow, overland flow or discharge from a sanitary sewer will be permitted into a storm sewer system.

1.2 QUALITY ASSURANCE

A. The bypass system shall meet the requirements of all codes and regulatory agencies having jurisdiction, and as specified herein.

B. Perform leakage and pressure tests on discharge piping using clean water before operation. Notify the Engineer 24 hours prior to testing.

C. Maintain and inspect temporary pumping system every two hours. Responsible operator: on site when pumps are operating.

D. Keep and maintain spare parts for pumps and piping on site, as required.

E. Maintain adequate hoisting equipment and accessories on site for each pump.

1.3 SUBMITTALS

A. Submit following Section 01300 - Submittals.

1. The Contractor shall submit a written description and drawings showing the methods and equipment to be used for a sewage bypass pumping system at each pump station or manhole for approval at least 30 days prior to the start of work.

2. Detailed plan and description of proposed pumping system. Indicate number, size, material, location and method of installation of suction and discharge piping, size of pipeline or conveyance system to be bypassed, staging area for pumps, site access point, and expected flow. The plan shall include but not be limited to details of the following:

file:///C:/Users/sdombr/Desktop/01300%20-%20Submittal.docx

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a. Size and location of manhole or access points for suction and discharge hose or piping.

b. Section views showing suction and discharge pipe depth (elevation), embedment, select fill and special backfill, if buried.

c. Temporary pipe supports and anchoring required.

d. Sewer plugging method and type of plugs.

e. Bypass pump sizes, capacity, number of each size to be on site and power requirements.

f. Backup pump, power and piping equipment.

g. Calculations of static lift, friction losses, and flow velocity. Pump curves showing pump operating range.

h. Design plans and computation for access to bypass pumping locations indicated on drawings.

i. Calculations for selection of bypass pumping pipe size.

j. Method of noise control for each pump and/or generator.

k. Method of protecting discharge manholes or structures from erosion and damage.

i. Thrust and restraint block sizes and locations.

l. Schedule for installation and maintenance of bypass pumping lines.

m. Procedures to monitor upstream mains for backup impacts.

n. Procedures for setup and breakdown of pumping operations.

o. Emergency plan detailing procedures to be followed in event of pump failures, sewer overflows, service backups, and sewage spillage.

i. Maintain copy of emergency plan on site for the duration of project.

B. Certify bypass system will meet requirements of codes, and regulatory agencies having jurisdiction.

C. The bypass system shop drawing shall be signed and sealed by a licensed professional engineer in the State of Virginia. The shop drawings shall be affixed with the following certification statement:

1. “By this submittal, we hereby represent that we have determined and verified all field measurements, field construction criteria, materials, dimensions, catalog numbers and pertinent data including field conditions, and have checked and coordinated each item with all Contract requirements as it pertains to the sewer

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bypass system on this project. We certify the Pump and Bypass lines are of adequate capacity and size to handle flow without causing a sanitary sewer overflow. The bypass system will not adversely affect the service connections upstream of the sewer being cleaned and/or televised.”

1.4 CONTRACTORS RESPONSIBILITY FOR OVERFLOWS AND SPILLS

A. Schedule and perform work in manner that does not cause or contribute to incidence of overflows, releases or spills of sewage from sanitary sewer system or bypass operation.

B. The Contractor shall immediately report any spills to the Owner and provide DEQ with a sewage spill report form as required by DEQ. The Contractor will be responsible for payment for all fines and damages resulting from a sewage spill.

1.5 DELIVERY AND STORAGE

A. Transport, deliver, handle, and store pipe, fittings, pumps, ancillary equipment and materials to prevent damage and following manufacturer’s recommendations.

B. Inspect all material and equipment for proper operation before initiating work.

C. Material found to be defective or damaged due to manufacturer or shipment. When Engineer deems repairable: Repair as recommended by manufacturer. When Engineer deems not repairable: Replace as directed by Engineer before initiating work.

Repair or replacement of defective or damaged material and equipment will be at no cost to the County.

PRODUCTS

2.1 PRE-QUALIFIED VENDORS

A. Sunbelt Rental

B. Rain for Rent

C. Xylem

D. Or Approved Equal

2.2 MATERIALS

A. Discharge and Suction Pipes: Approved by Engineer.

1. Discharge piping: Determined according to flow calculations and system operating calculations.

2. Suction piping: Determined according to pump size, flow calculations, and manhole depth following manufacturer’s specifications and recommendations.

B. High-Density Polyethylene (HDPE).

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1. Homogenous throughout, free of visible cracks, discoloration, pitting, varying wall thickness, holes, foreign material, blisters, or other deleterious faults.

a. Defective areas of pipe: Cut out and joint fused as stated herein.

2. Assembled and joined at site using couplings, flanges or butt-fusion method to provide leak proof joint. Follow manufacturer’s instructions and ASTM D 2657.

a. Threaded or solvent joints and connections are not permitted.

3. Fusing: By personnel certified as fusion technicians by manufacturer of HDPE pipe and/or fusing equipment.

4. Butt-fused joint: True alignment and uniform roll-back beads resulting from use of proper temperature and pressure.

a. Allow adequate cooling time before removal of pressure.

b. Watertight and have tensile strength equal to that of pipe.

c. Acceptance by Engineer before insertion.

5. Use in streams, storm water culverts and environmentally sensitive areas.

C. Flexible Hoses and Associated Couplings and Connectors.

1. All flexible hoses and associated couplings shall be new. To be considered “New” this means never been used before on any other project. (New in the box.)

2. Abrasion resistant.

3. Suitable for intended service.

4. Rated for external and internal loads anticipated, including test pressure.

a. External loading design: Incorporate anticipated traffic loadings, including traffic impact loading.

5. When subject to traffic loading, compose system, such as traffic ramps or covers.

a. Install system and maintain H-20 loading requirements while in use or as directed by the Engineer.

D. Valves and Fittings: Determined according to flow calculations, pump sizes previously determined, and system operating pressures.

E. Plugs: Selected and installed according to size of line to be plugged, pipe and manhole configurations, and based on specific site.

1. Additional plugs: Available in the event a plug fails. Plugs will be inspected before use for defects which may lead to failure.

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2. Each plug shall have air hose and pressure gauge mounted at the surface for easy monitoring of the air pressure in the plug.

F. Aluminum “irrigation type” piping or glued PVC piping will not be permitted.

G. When approved by Engineer, discharge hose will be allowed in short sections.

2.3 EQUIPMENT

A. Pumps.

1. Fully automatic self-priming units that do not require the use of foot-valves or vacuum pumps in the priming system.

2. Electric or diesel powered.

3. Constructed to allow dry running for long periods of time to accommodate cyclical nature of effluent flows.

4. Critically silenced Dry Prime Pumps shall have sound attenuating enclosures which will limit noise to no more than 68dB at 30 feet away from the pump.

5. Pumps shall be able to be primed to 28 feet of suction lift from dry.

6. Re-priming shall be automatic.

7. Provide an alarm system and auto dialer in the event the backup pump starts and if water level exceeds a pre-set high water alarm elevation.

8. Provide.

a. Necessary stop/start controls for each pump.

b. One standby pump of each size maintained on site.

i. On-line, isolated from primary system by a valve.

2.4 DESIGN REQUIREMENTS

A. Bypass pumping systems:

1. System must operate 24 hours per day.

B. Provide pipeline plugs and pumps of adequate size to handle peak flow, and temporary discharge piping to ensure total flow of main can be safely diverted around section to be repaired.

C. A spare pump shall be provided at each bypass setup capable of handling the design flow.

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EXECUTION

3.1 PUBLIC NOTIFICATION

A. The Contractor shall provide at least 72 hours (or three working days) notice to the Owner, the representatives of the impacted community as required by the Owner, and the Engineer prior to beginning construction of temporary bypasses. Such notice shall include the time, day and date of pipe construction, emergency contact and length of time to complete the work.

3.2 PREPARATION

A. Determining location of bypass pipelines.

1. Minimal disturbance to existing utilities.

a. Field locate existing utilities in proposed bypass area.

2. Obtain approvals for placement within public or private property.

3. Obtain Engineer’s approval of location.

4. Costs associated with relocation of utilities and obtaining approvals at no cost to the County.

3.3 MONITORING

A. Monitor all temporary plugs for air pressure. If the air pressure has decreased in the plug, re-pressurize the plug within 2 hours.

B. Monitor fuel each day. The fuel in the fuel tank shall never go below ½ full.

C. Monitor suction hose(s) for debris. If debris is found within the suction hose if should be removed within 1 hour.

D. Provide weekly preventative maintenance of the temporary bypass pumping systems to include rag and other debris removal.

3.4 INSTALLATION AND REMOVAL

A. Provisions and requirements must be reviewed by Engineer before starting construction.

B. The system shall be tested for 24 hours prior to acceptance.

C. Remove manhole sections or make connections to existing sewer and construct temporary bypass pumping structures at access location indicated on Drawings and as required to provide adequate suction conduit.

D. Plugging or blocking of sewage flows shall incorporate a primary and secondary plugging device. When plugging or blocking is no longer needed for performance and acceptance of work, remove in a manner that permits the sewage flow to slowly return

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to normal without surge, to prevent surcharging or causing other major disturbances downstream.

E. When working inside manholes or force mains, exercise caution. Follow OSHA, Local, State and Federal requirements. Take required measures to protect workforce against sewer gases and/or combustible or oxygen-deficient atmosphere.

F. Installation of Bypass Pipelines:

1. Pipeline may be placed along shoulder of roads.

a. Do not place in streets, on sidewalks, or in wetland areas without approval from the OWNER.

2. When bypass pipeline crosses local streets and private driveways, place in roadway ramps.

a. When roadway ramps cannot be used, place bypass in trenches and cover with temporary pavement as approved by Engineer.

G. During bypass pumping operation, protect sewer lines from damage inflicted by equipment.

H. Protect fuel lines from being ruptured.

I. Precautions shall be taken not to spill fuel while refueling the fuel tank. If fuel is spilled, notify the Owner immediately. The contractor shall clean up the spill in its entirety.

J. Upon completion of bypass pumping operations, and after the receipt of written permission from Engineer, remove piping, restore property to pre-construction condition and restore pavement.