Specifications 100pct In Progress Submittal-MBTA 115 kV Line Protection Replacement H365546-20220222.pdf.pdf

Massachusetts Bay Transport Authority

115kV Line Protection Replacement

H365546

Specifications

Revision A

Issued for Internal/Client

Northwest Territories Power Corporation Inuvik Wind Power Project

Seals

H360609-CG001

Rev. A

These specifications were prepared under the direct charge and supervision of the Registrant whose seal is affixed below.

Tristan Kneschke

H365546 TABLE OF CONTENTS MBTA

2021 REV 11/2021

TABLE OF CONTENTS

Division/Section Rev. Title of Section

Division 1 General Requirements

01 11 00 A Summary of Work

01 20 00 Price and Payment Procedures

01 33 00 A Submittal Procedures

01 77 00 A Closeout Procedures

Division 26 Electrical

26 05 19 A Low-Voltage Electrical Power Conductors and Cable

26 05 26 A Grounding and Bonding

26 05 29 A Hangers and Supports for Electrical Systems

26 05 33 A Raceway and Boxes for Electrical Systems

26 08 00 A Commissioning of Electrical Systems

26 09 16 A Protection and Control Panels

26 09 16 Appendix A Data Sheet for Protection and Control Panels

Division 27 Communications

27 13 23 A Communications Optical Fiber Backbone Cabling

H365546 SUMMARY OF WORK MBTA

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SECTION 01 11 00

SUMMARY OF WORK

PART 1 - GENERAL

1.1 GENERAL

A. The Work shall be performed in accordance with the following documents as issued by the Massachusetts Bay Transportation Authority:

1. The Standard Specifications which include the Instructions to Bidders, General Conditions; and Divisions 1, 26, and 27.

2. The Contract Specifications which include the Notice to Bidders; Instructions to Bidders; Form for Bid; Various forms and exhibits; Supplementary Conditions;

Federal and State requirements; and applicable Sections of Divisions 1, 26, and 27.

3. The Contract Drawings.

1.2 CONTRACT DESCRIPTION, COMMENCEMENT AND COMPLETION TIMES

A. The Supplementary Conditions of the Contract Specifications contain a description of the Work under the Contract, and times for commencement and completion.

B. Work includes the following:

1. Replacement of the existing 115 kV line protection with four new protection and control panels in the existing electrical room at MBTA South Boston Power Complex located at 696 East First St, Boston, MA.

2. Procuring the four new protection and control panels using MBTA-furnished relays.

3. Testing of completed 115 kV line protection system in coordination with Eversource.

C. The Contractor is responsible for the complete final design and installation of the new 115 kV line protection to meet the intended function and operation for the MBTA portion of the System.

1. The final design provided by the Contractor shall coordinate and function in unison with the Eversource system. Detailed Contract documents (Drawings and Specifications) have been furnished for the Contractor’s to use, as they see fit, for its final design submittals, which are detailed in the Submittal section of the Specifications.

2. During development of the Contract Documents there was significant coordination between the MBTA and Eversource, and MBTA is furnishing for the Contractors use the same relays that will be used by Eversource, to ensure proper function and coordination with the Eversource System.

H365546 SUMMARY OF WORK MBTA

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1.3 DEFINITION OF SPECIFICATION TERMS

A. Furnish, Install, and Provide:

1. Furnish means to supply and deliver to Project site, ready for installation.

2. Install means to place in position for service or use.

3. Provide means to furnish and install, complete and ready for intended use.

B. Shall: Denotes a mandatory specification or requirement.

1.4 SPECIFICATION STYLE

A. The Specifications are written in imperative mood and streamlined form. This imperative language is directed to the Contractor, unless specifically noted otherwise. The words "shall be" or "shall comply with", as appropriate, are included by inference where a colon (:) is used within sentences or phrases.

B. Examples:

1. "Prepare meeting minutes within three days following the meeting," means that the Contractor shall prepare the meeting minutes.

2. "Adhesive: Spread with a notched trowel" means "adhesive shall be spread with a notched trowel" and Contractor is responsible for this work.

PART 2 - PRODUCTS

Not Used.

PART 3 - EXECUTION

Not Used.

END OF SECTION

H365546 PRICE AND PAYMENT PROCEDURES MBTA

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SECTION 01 20 00

PRICE AND PAYMENT PROCEDURES

PART 1 - GENERAL

1.1 DESCRIPTION OF WORK

A. Work Included: This Section specifies the general requirements for Measurement and Payment.

B. Provisions of this Section are augmented by the measurement and payment provisions for specific classifications of construction, materials, and services as specified in the applicable sections of the Contract Specifications and as listed in the Bid Form.

1.2 SCOPE OF PAYMENTS

A. The Authority will pay and the Contractor shall receive and accept the compensation as provided in the Schedule of Prices, in full payment for furnishing all materials, labor, tools and equipment and for performing all work contemplated and embraced under the Contract; also for all loss or damage arising out of the nature of the Work, or from the action of the elements (except as specified in General Conditions Article 5.21), or from any unforeseen difficulties or obstructions which may arise or be encountered during the prosecution of the Work (except as set forth in General Conditions Article 2.09) until its final approval by the Authority, and for all risks of every description connected with the prosecution of the Work; also for all expenses incurred by or in consequence of the suspension or discontinuance of the said prosecution of the Work (except as provided in General Conditions Article 6.7), and for any infringement of patent, trademark or copyright, and for completing the Work in an acceptable manner according to the Contract Documents.

B. Payment of any current estimate, or any retained percentage shall in no way constitute an acknowledgment of the acceptance of the Work or in no way or degree prejudice or affect the obligation of the Contractor, at its own cost and expense, to repair, correct, renew or replace any defects and imperfections in the construction of, or in the strength of, or quality of materials used in or about the construction of the Work under Contract and its appurtenances, as well as damages due or attributable to such defects; which defects, imperfections or damages shall have been discovered on or before the expiration of the one year guaranty period specified in General Conditions Article 2.08. The Engineer shall be the sole judge of such defects, imperfections, or damages and the Contractor shall be liable to the Authority for failure to correct the same as provided herein. (Also see General Conditions Article 5.24.)

C. If the "measurement and payment" clause in the Specifications relating to any price in the Bid Form requires that said price cover and be considered compensating for certain work or material essential to the item, this same work or material will not also be measured or paid for under any other pay item which may appear elsewhere in the Specifications.

D. Except as specifically provided otherwise, no separate payment will be made for any work in fulfillment of the requirements of these Division 1, General Requirements, nor of

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the respective Specifications relating thereto, and all cost thereof shall be included in the various prices bid or the pay items scheduled in the Bid Form.

1.3 PAYMENT ITEMS

A. Replacement of Existing 115 kV Line Protection:

1. Measurement for this item will be lump sum.

2. Payment for this item will be for all direct and indirect costs associated with furnishing all submittals, labor, materials, equipment, inspection and testing and incidentals required to perform 115 kV line protection work as indicated in the Contract Documents. Work includes, but is not limited to the following:

a. Providing new protection panels.

b. Providing wiring and grounding.

c. Providing raceway and grounding.

d. Complete testing of protection system in coordination with MBTA and Eversource.

1.4 SCHEDULE OF VALUES

Approved submittal package for design conference 10% Approved submittal package post design conference/for construction drawings 10% Relay Cabinets ready for shipment (after successful completion of Factory Acceptance Test, sign off on the test procedure by the Authority’s Engineer, and affirmation by manufacturer that cabinets are ready to ship)

30%

Completion of installation 25% Successful relay commissioning of Line 1 10% Successful relay commissioning of Line 2 10% Contract closeout 5%

1.5 FINAL ACCEPTANCE AND FINAL PAYMENT

A. When all of the physical work covered by the Contract has been substantially completed (see General Conditions Article 3.11), the Authority will inform the Contractor in writing the date of such final acceptance upon which date the Contractor's responsibility shall cease except as provided in its bond and as provided in General Conditions Articles 2.8 and 5.24.

B. The Engineer shall, as soon as practicable after the satisfactory completion of the Contract, make a final estimate of the amount of work done thereunder and value of such work.

1. Within 65 days from and after the date the Work has been accepted by the Engineer, the Authority will forward to the Contractor a copy of the final estimate or semi-final estimate, as stipulated in Chapter 30 section 39G of the General Laws of the Commonwealth, which will include an agreement form for the Contractor's acceptance.

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2. After such acceptance has been filed with the Engineer, payments of the entire sum will be made, so found to be due thereunder after deducting therefrom all previous payments and all amounts to be kept and all amounts to be retained under the provisions of the Contract.

3. All prior partial estimates and payments will be subject to correction in the final estimate and payment.

4. If within six months from the date the final estimate is forwarded to the Contractor, the Contractor has not filed a valid (as determined by the Engineer) written reason(s) for not accepting final estimate, final estimate will be considered acceptable to the Contractor and payment of final estimate made.

C. Acceptance by the Contractor of the final payment shall operate as and will be a release to the Authority and every member, agent, and employee thereof, from all claim and liability to the Contractor for anything done or furnished for, or relating to, the Work, or for any act or neglect of the Authority or of any person relating to or affecting the Work, except the claim against the Authority for the remainder if any there be, of the amounts kept or retained to satisfy liens or claims pending against the Contractor.

PART 2 - PRODUCTS

Not Used.

PART 3 - EXECUTION

H365546 SUBMITTAL PROCEDURES MBTA

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SECTION 01 33 00

SUBMITTAL PROCEDURES

PART 1 - GENERAL

1.1 DESCRIPTION OF WORK

A. Work Included: This Section specifies the general requirements and procedures for preparing and transmitting data to the Engineer for his information, acceptance, or approval. Detailed requirements for submittals are specified in applicable Sections of the Specifications.

1.2 MEASUREMENT AND PAYMENT

A. No separate measurement or payment will be made for work required under this Section.

All costs in connection therewith will be considered incidental to the item of Work to which they pertain.

1.3 SUBMITTALS

A. Definitions:

1. Shop Drawings: Original drawings, submitted to the Engineer by the Contractor pursuant to the Work, including, but not limited to: stress sheets, working drawings, diagrams, illustrations, schedules, performance charts, brochures, erection plans, or other supplementary plans or similar data which are prepared by the Contractor or a Subcontractor, manufacturer, supplier or distributor, and which the Contractor is required to submit for review and approval by the Engineer.

2. Working Drawings: Contractor prepared plans for temporary structures and facilities. Working Drawings for elements of work, which may affect safety of persons or property, included but are not limited to Contractor's plans for temporary structures such as decking, temporary bulkheads, support of utilities, and for such other work as may be required for construction but which do not become an integral part of completed project.

3. Miscellaneous Submittals: Those submittals directly related to the work (non-administrative) including quality warranties, guarantees, project photographs, survey data and reports, physical work records, quality testing and certifying reports, record and as-built drawings and data, operating and maintenance manuals, security and protection lists (including keying) and other similar information and materials not defined as shop drawings, working drawings, product data, samples mockups or sample panels.

B. Within 15 calendar days of receipt of Notice to Proceed, submit to Engineer, Schedule of all submittals required by the Contract.

1. Submit schedules for submission of shop drawings, working drawings, product literature and miscellaneous submittals in that order of priority, which reflects

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sequence of construction requirements, project schedule logistics, and include anticipated review time that may be required by Contractor and Engineer for these submissions.

2. If complexity of submittal requires more time for review, show approximate extended number of days required.

3. Submittal schedules shall contain the following information as a minimum:

a. Submittal number, including revisions.

b. Specification section and paragraph reference.

c. Submittal title and description

d. Date needed to support construction schedule.

e. Date sent to Engineer.

f. Date returned from Engineer

g. Comments. Included within this section will be references to any new RFIs issued as a result, reasons for delay and any other relevant information.

C. General Procedures:

1. Transmit submittals sufficiently in advance of construction requirements to permit a maximum of 30 calendar days for checking and appropriate action by Engineer.

2. Submit all work related submittals as defined in this Section and as required by Contract Documents on a Transmittal Form:

a. Prepare draft of required transmittal form and submit it to Engineer for acceptance.

b. At a minimum, furnish: transmittal forms sequentially numbered and show contract number, project name, date; names of subcontractors, suppliers, manufacturers, and required specification references; category and type of submittal, purpose, description, distribution record (for both transmittals and submittals) and signature of transmitter.

3. Examine and check submission for accuracy, completeness, and compliance with Contract before delivery to Engineer. Stamp and sign each submission with following statement: “Having checked this submission, we certify that it conforms to the requirements of the Contract in all respects, except as otherwise indicated.”

4. By reviewing and approving each submittal, Contractor represents that it has determined and verified materials, field measurements and field construction criteria related thereto, and has checked and coordinated information contained within such submittals with requirements of Work and Contract.

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5. Submit one construction material or one drawing per submittal review.

6. Maintain at site of Work a complete up-to-date, organized file of all past and current submittals including an index and locating system, which identifies the status of each submission.

a. Assign sequential numbers to each submittal.

b. Assign new submittal numbers to all re-submissions and cross-reference to previous submittals.

7. Certify shop drawings, working drawings and calculations as submitted by a professional engineer registered in the Commonwealth of Massachusetts when required by individual Specification Sections.

a. They shall convey, or be accompanied by, information sufficient to completely explain the structures, machines, or systems described and their intended manner of use.

b. When professional certification is required by Contract requirements, Engineer is entitled to rely upon accuracy and completeness of such calculations and certifications.

D. Engineer’s Review and Action

1. The Engineer will review and approve or take other appropriate action upon Contractor’s submittals only for the limited purpose of reviewing for conformance with information given and design concept expressed in Contract requirements.

a. The Engineer’s action will be taken as to cause no delay in Work or in activities of Contractor. Review of such submittals is not conducted for purpose of determining accuracy and completeness of other details such as dimensions and quantities, or for substantiating instructions for installation or performance of equipment or systems, all of which remain responsibility of Contractor as required by Contract.

b. Engineer’s review will not constitute approval of safety precautions or, unless specifically stated by Engineer, of any construction means, methods, techniques, sequences, or procedures.

c. Engineer’s review of a specific item does not indicate approval of entire assembly of which the item is a component.

2. Time required for review of submittals and resubmittals by Engineer will be a maximum of 30 calendar days, except as otherwise specified.

3. All Contractors’ submittals will be stamped with one of following dispositions:

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Status Code Description Explanation

1 NO EXCEPTIONS TAKEN

Work may proceed, provided it complies with Contract.

Approval of shop drawings and samples will be general, but approval is not construed:

As relieving Contractor of responsibility for any errors or omissions, including details, dimensions, and quantity of materials; or As approving departures from details furnished by Engineer.

2N EXCEPTION AS NOTED:

Work may proceed, provided it complies with Contract and changes shall be made by Contractor.

Resubmission not required.

2R Work May Not Proceed on Indicated Parts, Where A Resubmittal Is Required.

Work May Proceed On Other Parts.

Partial Approval. Reviewer to clearly indicate sections which require re-submittal

3 REVISE AND RESUBMIT: Work recognized as not being able to proceed. Revise submittal in accordance with notations thereon and resubmit without delay.

4 For Information Only

4. Handle resubmissions in the same manner as first submittals. On resubmissions, direct specific attention in writing to revisions other than the corrections on previous submissions. Make correction required by Engineer.

5. Failure of any material to pass specified tests is sufficient cause for refusal to consider, under this Contract, further samples of same brand or make of that material. Engineer reserves right to disapprove any material or equipment previously proven unsatisfactory in service.

E. Requirements for shop drawings.

1. Shop drawings shall include fabrication details, catalog cuts of equipment or fixtures, wiring or piping diagrams, data sheets and performance curves for electrical, mechanical, or other equipment and any other supplementary data required by the Engineer.

2. Detail drawings for temporary work and methods of construction the Contractor proposes to use, will be required. Such drawings shall be subject to review, but details of design will be left to the Contractor who shall be responsible for the safety and successful construction of the Work. Drawings, the original design for which is the responsibility of the Contractor, shall bear the seal of a Professional Engineer registered in the Commonwealth.

3. Shop drawings shall show design, dimensions, connections, and other details necessary to ensure that the Contract Documents are accurately interpreted. Shop drawings shall show proper connections with adjoining work in detail. Where

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adjoining work requires shop drawings, such drawing shall be submitted for approval at the same time so that connections can be accurately checked.

4. Shop drawings shall establish the actual detail of all manufactured or fabricated items, indicate proper relation to adjoining work and amplify design details of mechanical and electrical equipment in the physical spaces in any structure and incorporate minor changes of design or construction details to suit actual conditions. Where separate sections or trades are involved, shop drawings shall be coordinated and where required by the Engineer shall be submitted in composite form (coordination drawings) clearly designating which trade will perform which work; the words "work by others" will not be accepted.

5. All requests for approval of materials and equipment and submissions of drawings shall indicate the corresponding number of the section and paragraph of the Specifications and reference to the Contract Drawing sheet numbers under which each of the above are required.

6. All shop drawings shall be thoroughly checked by the Contractor for compliance with the Contract Documents before submitting them to the Engineer for approval and shall bear the Contractor's stamp of approval certifying that they have been so checked.

a. Shop drawings submitted without the stamp of approval and certification, or which are incomplete, contain numerous errors, have not been checked, or have been checked only superficially will be returned unchecked by the Authority for resubmission by the Contractor.

b. The Contractor shall certify: “This shop drawing has been thoroughly checked and complies with the Contract Documents and field measurements and the item fits with adjoining work except as noted.”

7. In checking shop drawings, the Contractor shall verify all dimensions and field conditions and shall check and coordinate the shop drawings with the requirements of all other Sections, adjoining materials or trades whose work is related thereto, as required for the proper and complete installation of the work.

8. Nothing in the above shall be construed to hold the Contractor liable for the design of any of the permanent structures.

F. When submitting shop drawings or working drawings for approval or review by the Engineer, the following procedures shall apply:

1. Submit to the Engineer with such promptness as to cause no delay in his work, all shop drawings and detail drawings required for the work in pdf format.

2. The Engineer will make a prompt decision on approval of such Drawings no later than 30 days after submittal; but if such decision requires extended investigation and study, the Engineer will, within 30 days after the receipt of the submission, give the party making the submission written notice of the reason why the decisions cannot be made within the 30 day period and the date by which the decisions will be made.

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3. Markings of approval, or of corrections required, will be made on the pdf by the Engineer.

4. If corrections are required by the Engineer, make such corrections and resubmit the drawings to the Engineer for approval. If corrections are still required, the same procedure shall be carried out until the drawings are acceptable.

5. Upon the Engineer's approval, furnish the Engineer corrected drawings.

6. All items shown on shop drawings shall be clearly identified with their location in the Contract, or by the sheet or detail number in which they appear, in order to facilitate checking by the Authority.

G. Progress Photographs: Required to be taken by the Contractor. Ten digital color photographs of progress and construction operations shall be required each month.

1.4 REQUESTS FOR INFORMATION

A. Upon discovery of the need for interpretation of the Contract Documents, the Contractor shall prepare and submit a Request for Information (RFI) on an approved form. RFIs shall not be used to request approval of submittals, request approval of design changes or substitutions, nonconforming conditions, or requests for changes to Contract schedule and/or Quantities.

1. RFIs shall be issued by the Contractor to the Engineer. RFIs submitted by entities other than the Contractor will be returned with no response.

2. Coordinate and submit RFIs in a prompt manner so as to avoid delays in the work.

B. Content of the RFI: Include a detailed, legible description of item needing interpretation and the following:

C. Project Name

1. Contract Number

2. Date

3. Name of Contractor

4. RFI Number, numbered sequentially

5. Specification Section number and title and related paragraphs, as appropriate

6. Drawing number and detail references, as appropriate

7. Field dimensions and conditions, as appropriate

8. Contractor’s suggested solution(s). If Contractor’s solution(s) impact the Contract Completion Date or Quantities, Contractor shall state the impact in the

RFI.

9. Contractor’s signature

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10. Attachments: Include drawings, descriptions, measurements, photos, Product Data, Shop Drawings, and other information necessary to fully describe item needing interpretation.

D. RFI Log: Prepare, maintain, and submit a log of RFIs organized by the RFI number containing the following information:

1. Project Name

2. Project Contract Number

3. Name of Contractor

4. RFI number and Revision Indicator

5. RFI Description

6. Date RFI was submitted

7. Date Response Required

8. Date Response Received

9. Date Closed

E. Engineer’s Action:

1. Engineer will review each RFI, determine action required and return to the Contractor within 14 days. Any change to the Contract Completion Date or Quantities may result in a change being submitted under Article 2 – Scope of Work of Section 0700 of the General Conditions.

2. Engineer will review RFI and determine if response is a change to contract documents as described above. If a change or substitution is requested, a Design Change Request from must be completed.

1.5 DESIGN CHANGE REQUEST

A. The purpose of the Design Change Request is to obtain approval to modify the contract documents. Requester will provide a detailed description of the design change. Attach additional sheets if needed to best describe the situation and forward to the Engineer.

B. The Engineer will provide the response and attach any required design change sketches or specification modifications. The Engineer will then forward to the MBTA Project Manager for review and approval by MBTA departments.

1.6 SUBCONTRACTOR ACCEPTANCE REQUEST

A. As soon as practicable after execution of the contract, the Contractor shall submit to the Authority applications for approval of subcontractors for any part of the work proposed to subcontract.

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PART 2 - PRODUCTS

Not Used.

PART 3 - EXECUTION

H365546 CLOSEOUT PROCEDURES MBTA

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SECTION 01 77 00

CLOSEOUT PROCEDURES

PART 1 - GENERAL

1.1 DESCRIPTION OF WORK

A. Work Included: This section specifies administrative and procedural requirements for project closeout, including, but not limited to, the following:

1. Inspection and testing procedures.

2. Project record documents.

3. Operating and maintenance manuals.

4. Warranties.

5. Training of Authority's personnel

6. Final cleaning.

B. Related Work: Closeout requirements for specific construction activities and special cleaning requirements for products are included in the appropriate Specification sections.

1.2 MEASUREMENT AND PAYMENT

A. Separate measurement and payment will not be made for the work of this Section. All costs in connection with this Section are included in the Contract price as identified in Section 01 20 00 – Measurement and Payment.

1.3 SUBSTANTIAL COMPLETION

A. Before requesting inspection for certification of Substantial Completion, complete the following:

1. Prepare a list of incomplete items or items requiring correction, the value of items on that list, and reasons the work is not complete.

2. Advise Authority of pending insurance change-over requirements.

3. Submit specific warranties, workmanship bonds, maintenance agreements, final certifications, and similar documents. Provide warranty bonds (if required) for building and special systems including, but not limited to, electrical and other construction systems.

4. Obtain and submit releases providing the Authority unrestricted use of the work and access to services and utilities; include occupancy permits,

5. Submit Record Documents including but not limited to As-Built Drawings, operations and maintenance manuals, final project photographs, damage or settlement survey, property survey, and similar final record information.

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6. Deliver tools, spare parts, extra stock, and similar items to location(s) designated by Authority. Label with manufacturer’s name and model number where applicable.

7. Complete start-up testing of systems.

8. Submit testing, adjusting, and balancing records.

9. Complete training of the Authority's operating and maintenance personnel as described in the Specifications.

10. Discontinue or change over and remove temporary facilities from the site, along with construction tools and similar elements unless indicated otherwise by the Authority.

11. Advise Authority of changeover of responsibility for payment of utilities.

12. Provide Occupancy Permits.

13. Complete final clean-up requirements, including touch-up painting. Touch up and otherwise repair and restore marred exposed finishes to eliminate visual defects.

14. Complete de-mobilization from, and restoration of all facilities. This includes the removal of temporary facilities, material and debris removal, grading, permanent restoration of fencing and barriers, and removal of Contractor locks from doors and gates.

B. The Contractor shall provide written certification to the Authority when it believes the work is Substantially Completed. Along with said written certification, the Contractor shall provide the Authority with the Contractor’s written list of incomplete and non-conforming items/work and a schedule for the completion or correction of such items/work.

C. Inspection Procedures: Within 21 days of the Authority’s receipt of the Contractor’s written certification and written list of incomplete and nonconforming work and completion/correction schedule, the Authority will inspect the Work, and provide the Contractor either a written declaration that the Work has been substantially completed or an itemized list of incomplete and unsatisfactory Work items required by the Contract sufficient to demonstrate that the Work has not been substantially completed. the Authority will either proceed with inspection or advise the Contractor of Incomplete requirements.

D. The Authority will repeat inspection when requested and assured that the work has been substantially completed.

E. Results of the completed inspection will form the basis of requirements for Final Acceptance.

F. Once the Authority determines that Substantial Completion has been achieved, it will provide the Contractor written notice of Substantial Completion and a punch list of items which shall be completed by the Contractor prior to Final Acceptance.

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G. The date of Substantial Completion shall be that date identified in the Authority’s written notice of Substantial Completion.

H. The date that the notice of Substantial Completion and the punch list are transmitted to the Contractor will be used to establish the time period under which the Contractor is obligated to correct defective work and complete punch list items.

1.4 FINAL ACCEPTANCE

A. Prior to Final Acceptance the Contractor shall:

1. Complete all Work, including all items on all punch lists, to the satisfaction of the Authority;

2. Submit and obtain the Authority’s approval of all “Record Documents”, warranty documents and all other required submittals; and

3. Address all non-conformance reports to the Authority’s satisfaction.

B. Preliminary Procedures: Before requesting final inspection for certification of Final Acceptance (Final Acceptance inspection), complete the following.

1. Submit a certified copy of the Authority's final inspection list of items to be completed or corrected, stating that each item has been endorsed and dated by the Authority.

2. Submit pest-control final inspection report and warranty.

3. Submit consent of surety to final payment.

4. Submit evidence of final, continuing insurance coverage complying with Agency requirements.

5. Submit all changes to the DBE percentage over the life of the Contract in writing listing all of the change items and their values along with the corresponding change in DBE value.

C. The Contractor cannot request a Final Acceptance inspection before it has received notice of Substantial Completion. Further, "Record Documents" shall be submitted by the Contractor and approved by the Authority before the Final Acceptance inspection will take place. The Contractor shall notify the Authority in writing when the work is ready to be inspected for Final Acceptance. Thereafter, the Authority will arrange for a Final Acceptance inspection or will notify Contractor of unfulfilled requirements.

D. Reinspection Procedure: The Authority will reinspect the work upon receipt of notice that the work, including inspection list items from earlier inspections, has been completed.

E. Upon completion of reinspection, the Authority will prepare a Certificate of Final Acceptance, or advise the Contractor of work that is incomplete or of obligations that have not been fulfilled but are required for that Final Acceptance.

F. If necessary, reinspection will be repeated.

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G. Once Final Acceptance has been achieved, the Authority will issue a Certificate of Final Acceptance to the Contractor.

H. Neither Final Acceptance nor the Authority's issuance of a Certificate of Final Acceptance shall constitute a waiver by the Authority of any rights it may have against the Contractor or others, in law, equity or otherwise.

I. The date of Final Acceptance will be the date used to establish warranty periods, unless otherwise provided for in the Contract Documents.

1.5 AS-BUILT DRAWINGS

A. The Authority will provide one set of drawings to the Contractor to maintain and submit as As-Built Drawings. Maintain these prints at the site and at all times, absolutely, clearly, and completely show the actual installations in accordance with the Contract requirements. Record all subcontractors' changes.

1. At the start of construction, the Authority will forward an AutoCAD copy of the Contract Drawings to the Contractor for its use to prepare project As-Built Drawings.

2. During the course of construction, drawing clarifications for Requests for Information, submittals, nonconformance reports, value engineering, variations for its means and methods and other Contractor initiated changes will be made by the Contractor.

B. During the course of construction, the Authority, may elect to have the designer revise certain AutoCAD drawings and issue these to the Contractor. All As-Built drawings remain the responsibility of the Contractor. The Contractor shall use the revised designer drawings and update with any As-Built changes.

C. The Contractor shall maintain a hard copy and electronic set of As-Built Drawings at the Contractor’s field office.

1. Red lined, hand marked hard copies shall be available immediately after the start of installation if this information is not yet entered into the AutoCAD files. As a minimum, transfer all entries/revisions from the hard copy set to AutoCAD files by the end of each month.

2. All entries shall be dated and attention called to each entry by a “cloud” drawn around the area affected. Maintain a log of entries/revisions made. The As-Built Drawings shall be at all times, to absolutely, clearly, and completely show the actual installations in accordance with the Contract requirements. The Contractor shall record all subcontractors' changes.

D. Upon completion of the Work and after checking the subcontractors' As-Built Drawings, and all required drawings, submit a complete set of marked-up record drawings to the Engineer in time to be used for the final inspection, and acceptance and for verification by the designer.

1. Submittal and acceptance of As-Built drawings through Substantial Completion shall be a prerequisite to scheduling a final inspection of the Contract and these

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drawings and the Contract Documents will be used in checking completion of the Work.

2. Nonavailability of As-Built Drawings or inaccuracies therein may be grounds for cancellation and postponement of any scheduled final inspection by the Authority until such time as the drawings are available or the discrepancy has been corrected.

3. Upon completion of the work, the As-Built drawings shall become the property of the Authority.

4. If As-Built Drawings are not maintained as required herein to the satisfaction of the Engineer, the Authority will deduct from monthly partial payments, an amount representing the estimated monthly cost of maintaining the As-Built drawings. In addition, the Authority may retain a sufficient amount for the cost of a third party to finalize As-Built documents.

E. The Contractor shall incorporate changes into the electronic as-built files on a contemporaneous basis and submit to the Engineer, electronic, as-built plans of all work installed, relocated, or abandoned.

1. The as-built plans shall be prepared and submitted in electronic format (PDF format and as an AutoCAD drawing) in a compact disc (CD), DVD or storage device acceptable the Engineer.

2. Electronic as-built files shall be submitted at approximately 30% completion, Substantial Completion, and 30 days after Final Completion and shall conform, where applicable, to the requirements of Section 01 33 00 – Submittal Procedures.

3. Electronic as-built files must be submitted and approved by the Engineer before final payment will be issued.

1.6 CLOSEOUT PLAN

A. The Closeout Plan shall be the Contractor’s approach for handling closeout of the project including:

1. Schedule: Including meetings, field inspection walkthroughs, submittals, instruction of Authority personnel, and other relevant closeout activities

2. Log identifying all closeout deliverables: Including columns for Specification Section reference, description of requirements, Project Website filename, and any other relevant information

3. Identification of Contractor closeout responsibilities

B. Submit the Closeout plan to the Authority within 60 days of Notice To Proceed and update as required.

C. The execution of the Closeout plan by the Contractor will be monitored by the Authority.

The Contractor shall update the status of the Closeout plan as required by the Engineer.

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PART 2 - PRODUCTS

Not Used.

PART 3 - EXECUTION

3.1 DEMONSTRATION AND TRAINING

A. Operating and Maintenance Instruction:

1. Instruct Authority’s personnel to operate, adjust, and maintain systems, subsystems, and stand-alone equipment not part of a system.

2. Provide instructors experienced in operation and maintenance procedures.

3. Arrange for each installer of equipment that requires regular maintenance to meet with the Authority's personnel to provide instruction in proper operation and maintenance at each location. If installers are not experienced in procedures, provide instruction by manufacturer's representatives.

4. Provide instruction at mutually-agreed-on times. Schedule training with Authority providing at least 14 days advanced notice.

B. Instruction for operating equipment shall include, but not be limited to, the following:

1. System design and operating requirements review.

2. Document review, including operation and maintenance manuals and as-built documents.

3. Operations review, including:

a. Safety procedures.

b. Hazards.

c. Control sequences

d. Startup

e. Shutdown

f. Emergency operations

g. Adjustments, including those for noise, vibration economy, and energy efficiency.

4. Troubleshooting

5. Maintenance, including:

a. Safety procedures.

b. Hazards.

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c. Spare parts and materials.

d. Tools.

e. Lubricants.

f. Fuels.

g. Cleaning.

h. Warranties.

i. Maintenance agreements and similar continuing commitments.

6. Repairs

3.2 FINAL CLEANING

A. General cleaning during construction is required by the Contract Documents . Provide a final cleaning, with cleaning and waste removal activities to be conducted in compliance with local laws and ordinances and federal environmental regulations.

B. Employ experienced workers or professional cleaners for final cleaning. Clean each surface or unit to the condition expected in a normal, commercial building cleaning and maintenance program. Comply with manufacturer's instructions.

C. Complete the following cleaning operations before requesting inspection for certification of Substantial Completion.

1. Remove labels that are not permanent labels.

2. Clean transparent materials, including mirrors and glass in doors and windows, of glazing compound and other substances that are noticeable vision-obscuring materials. Replace chipped or broken glass and other damaged transparent materials. Polish mirrors and glass, taking care not to scratch surfaces.

3. Touch up and otherwise repair and restore marred, exposed finishes and surfaces, replacing those that cannot be satisfactorily repaired or that evidence repair or restoration.

4. Clean exposed exterior and interior hard-surfaced finishes to a dust-free condition, free of stains, films, and similar foreign substances. Restore reflective surfaces to their original reflective condition. Leave concrete floors broom clean in unoccupied spaces. Vacuum carpeted surfaces. Shampoo if visible soil or stains remain.

5. Remove debris and surface dust from limited access spaces, including roofs, plenums, ducts, shafts, trenches, equipment vaults, manholes, attics, and similar spaces.

6. Replace disposable air filters or clean permanent air filters. Clean diffusers, registers, and grilles.

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7. Wipe surfaces of mechanical and electrical equipment. Remove excess lubrication, paint, and mortar droppings, and other substances.

8. Clean the site, removing rubbish, litter, and other foreign substances. Sweep paved areas broom clean; remove stains, spills, and other foreign deposits. Rake grounds that are neither paved nor planted to a smooth, even-textured surface.

Remove tools, construction equipment, machinery, and surplus materials from site. Remove snow and ice to provide safe access to building.

9. Leave site and facilities clean and ready for occupancy.

H365546 LOW -VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLE MBTA

2021 26 05 19-1 11/2021

SECTION 26 05 19

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLE

PART 1 - GENERAL

1.1 DESCRIPTION OF WORK

A. Work Included: Provide field installed conductors and cables as indicated on Contract Drawings for connection of the provided protection and control panels. This Section does not include manufacturer-installed conductors inside the panels.

B. Related Work: Refer to Section 26 05 33 – Raceway and Boxes for Electrical Systems, for installation of cable in conduit and cable tray.

1.2 MEASUREMENT AND PAYMENT

A. Low-voltage electrical power conductors and cable is included in Replacement of Existing 115 kV Line Protection pay item.

1.3 REFERENCES

A. Section incorporates by reference the latest revisions of the following documents:

B. ASTM International (ASTM)

1. ASTM B3, Standard Specification for Soft or Annealed Copper Wire

2. ASTM B8, Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft

C. Institute of Electrical and Electronics Engineers (IEEE)

1. IEEE 1202, Standard for Flame-Propagation Testing of Wire & Cable

D. Insulated Cable Engineers Association (ICEA)

1. ICEA S-73-532, Standard for Control, Thermocouple Extension, and Instrumentation Cable

E. National Fire Protection Association (NFPA)

1. NFPA 70, National Electrical Code (as adopted and amended by the Commonwealth of Massachusetts; also known as the Massachusetts Electrical Code)

F. National Electrical Contractors Association (NECA)

1. NECA 1, Standard for Good Workmanship in Electrical Contracting

G. National Electrical Manufacturers Association (NEMA)

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1. NEMA WC 70, Power Cables Rated 2000 V or Less for the Distribution of Electrical Energy

1.4 SUBMITTALS

A. Submit in accordance with Section 01 33 00 – Submittal Procedures.

B. Wire and Cable:

1. Submit Product Data on wire and cable of each type, including the following:

a. Manufacturer of wire and cable, and certificate of compliance.

b. Number and size of strands composing each conductor.

c. Conductor insulation composition and thickness.

d. Average overall diameter of finished wire and cable.

e. Storage instructions.

f. Minimum training radius, in inches.

g. Minimum insulation resistance in megohms per 1000 feet at 30 degrees C ambient.

h. Jacket composition and thickness in mils.

i. Total number of conductors per cable.

j. Conductor ampacity at 30 degrees C ambient for 600 V wire and cable.

C. Terminal Connectors:

1. Product data for each type of terminal connector.

1.5 QUALITY ASSURANCE

A. Qualifications: Cable manufacturer shall have a minimum of five years of experience successfully manufacturing the type of cable to be supplied by that manufacturer.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Ship each unit securely wrapped, packaged, and labeled for safe handling in shipment and to avoid damage.

B. Deliver wires and cables to the site in unbroken standard coils or reels with attached tag bearing manufacturer's name, wire trade name, and listing information.

C. Store wire and cable in secure and dry storage facility, in accordance with NECA 1.

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PART 2 - PRODUCTS

2.1 600 V SINGLE-CONDUCTOR CABLE

A. Conductor Material: ICEA stranded or solid copper meeting requirements of ASTM B3, soft drawn.

B. Conductor Type:

1. Size No. 12 AWG and Smaller: Solid conductor.

2. Size No. 10 AWG and Larger: Class B stranded.

C. Insulation:

1. Size No. 12 to 1/0 AWG: Type XHHW-2, cross-linked polyethylene insulated in accordance with NEMA WC 70.

2. Size 2/0 AWG and Larger: Type XHHW-2, cross-linked polyethylene insulated in accordance with NEMA WC 70 or type RHH/RHW, ethylene-propylene-rubber-insulated in accordance with NEMA WC 70.

3. Voltage Rating: 600 V.

4. Temperature Rating: Insulation temperature rating not less than 90 degrees C in wet or dry locations.

2.2 MULTICONDUCTOR, LOW-VOLTAGE CABLES

A. Provide multiconductor cable conforming to NEMA WC 70, Type TC or TC-ER as required by NFPA-70 for the location, with the following additional requirements:

1. Conductors: Bare, soft annealed copper per ASTM B3, Class B stranded in accordance with ASTM B8. Quantity of conductors as indicated.

2. Insulation: As specified above for 600 V single-conductor cable.

3. Shielding: Overall shielding in contact with stranded copper drain wire.

4. Overall Covering: Cable shall be provided with sunlight-resistant jacket over the insulation meeting the flame-spread requirements of IEEE 1202/FT4.

5. Multiple conductors for control wire shall be minimum of No. 14 AWG stranded copper.

6. Insulation Rating: 600 V.

7. Multiconductor cable shall be made by assembling individual of insulated conductors into a tight cylindrical form using fillers that are compatible with other materials in the cable. The jacket used shall fit tightly to form a firm assembly.

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2.3 COLOR CODING OF POWER CONDUCTORS (600 V)

A. Identify individual conductors of multiconductor cables by means of solid colors, stripes, or printing, unless otherwise approved by Engineer.

B. Jacket Printing: Mark jackets in compliance with NFPA 70, and with the following additional information:

1. Number of conductors (for multiconductor cables).

2. Date of manufacture.

C. AC Power Cables: Conform to the following color coding for power cables:

Conductor 480Y/277 V 208Y/120 V Phase A Brown Black Phase B Orange Red Phase C Yellow Blue Neutral White White Ground Green Green

D. Use solid color insulation or solid color coating for branch circuit phase conductors No.

10 AWG and smaller and neutral and equipment ground conductors.

E. Use a background color other than white or green for phase conductors with colored tracers.

2.4 COLOR CODING OF CONTROL CABLES

A. Color code individual conductors per ICEA S-73-532, Method 1, Table E-2.

B. Jacket Printing: Mark jackets in compliance with NFPA 70, and with the following additional information:

1. Number of conductors (for multiconductor cables).

2. Date of manufacture.

2.5 TERMINAL CONNECTORS

A. Fittings shall be tool-applied, compression, compatible with conductors on which they are used, and listed for use with provided cable.

B. No. 10 AWG and smaller conductors: Heavy duty, ring-type, nylon insulated.

C. No. 8 AWG to No. 4 AWG: Double-bolted NEMA two-hole terminals where rotation of single-bolted terminal would result in contact or unacceptable clearance with other conductors or the enclosure.

D. No. 2 AWG to No. 3/0 AWG: Two NEMA-standard bolt holes in tongue unless otherwise indicated.

E. No. 4/0 AWG and larger conductors: Long-barrel, double-compression type, with two NEMA standard bolt holes in tongue, unless otherwise indicated.

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F. Compression Tools:

1. Shall apply a hexagonal compression using mechanical, electrical, or hydraulic power mechanism that ensures a complete compression cycle.

2. Shall permanently imprint die information on the completed connection.

2.6 CABLE TIES (TIE WRAPS)

A. Nylon:

1. Self-extinguishing with a temperature range of - 40 degrees F to 185 degrees F.

2. Design: Locking hub or head with a stainless-steel locking barb on one end and a taper on the other end.

3. Width: Adequate to prevent damage to wire or cable insulation.

2.7 WIRING IDENTIFICATION

A. Identify individual control wires with permanent indelible identifying markings, on both ends of wires.

B. Identification shall include the following:

1. Cable number

2. Cable origin

3. Cable destination

PART 3 - EXECUTION

3.1 INSTALLATION

A. General:

1. All cable shall be installed in conduit or in cable tray.

2. Installation shall comply with NFPA 70 and NECA 1.

3. Cable…