C109584 - CUP Power - DB SOW (7-17-2024).pdf

PROPERTY OF THE UNITED STATES GOVERNMENT FOR OFFICIAL USE ONLY

Statement of Work Task Order C109584

Generators for Campus Emergency Chilled Water Service

National Institute of Environmental Health Sciences

111 T.W. Alexander Drive

Research Triangle Park, NC

Project Officer/COR: Derek Grotheer, PE

Date: July 17, 2024

This Statement of Work details the requirements for a design-build (DB) project to improve the medium voltage electric (MVE) infrastructure for the NIEHS campus and upgrade the power production and distribution system for standby chiller function within the central utility plant (CUP). The Design – Build Contractor is to provide all services for review of existing conditions; preparation of stamped construction documents from the provided bridging documents; provide professional solutions supported by engineering calculations; and turnkey construction in accordance with bridging documents and contract requirements.

I. GENERAL:

A. The Design-Build Contractor (DBC) shall provide all material and services necessary to incorporate the bridging documents (Attachment A) to prepare and complete accurate issued for construction documents for this project. The DBC shall identify all long lead time procurement material and evaluate selection and ordering to have on hand as early as possible. Construction plans shall include all necessary information on demolition/construction, site prep, temporary contractor access, and plans to maintain the functionality of the existing CUP infrastructure and it’s supported research facilities.

B. Period of performance: Final construction must be complete including all Closeout activities within 1,105 calendar days from task order Notice to Proceed

(NTP). Major milestones from NTP are anticipated to proceed as follows and shall not exceed the following calendar days:

1. NLT Day 14 – Attend Project Kick Off Meeting On-Site

2. NLT Day 30 – Perform In Person Design Charrette with All Key Stakeholders

3. NLT Day 60 – Initial Design Development Submission for DTR Review

C. The Task Order will be awarded as a Firm Fixed Price award to the DBC with the lowest cost technically acceptable in accordance with FAR 15.101.

D. The DBC shall provide all project management personnel necessary per their approved task order specific quality control and safety plans to properly oversee the design and construction of this project on behalf of the Contracting Officer’s Representative (COR). The Project Manager, Quality Control Manager, and Superintendent roles may NOT be performed by the same individual for this task

July 17, 2024 2 of 22 Task Order C109584 order. The DBC shall provide for review and acceptance the resume and qualifications of all personnel (per the following descriptions) performing the tasks identified below that have not been previously approved by the COR.

1. The DBC’s assigned Project Manager (DBPM) shall have at least ten years of construction management experience, as well as be a certified Project

Management Professional.

a. The DBPM shall be responsible for leading the integrated project team of both government stakeholders and contracted subject matter experts. The DBPM shall have direct authority to hire and terminate the contracts of all contract workers on the project.

b. The DBPM shall be responsible for coordinating and developing all project construction documents, leadings meetings, facilitating discussions, seeking stakeholder input, and collecting feedback from all parties. The DBPM shall perform all outage coordination with stakeholders and provide their approvals and updates to the COR.

c. The DBPM will be available and facilitate weekly progress updates to the

COR and any stakeholders throughout the duration of the project.

d. The DBPM shall be responsible for monitoring and reporting on progress of project through monthly budget and schedules updates in person to the COR.

Updates shall provide budget expenditures and a burn chart of progress against each definable feature of work.

2. Within 14 days prior to the start of construction, the DBC’s Quality Control

Manager (DBQCM) shall be available during standard business hours on site to administer the Contractor’s approved Site-Specific Quality Control Plan.

a. The DBQCM shall have both design phase and construction phase responsibilities as required in Specification section 01 45 00 and as deemed appropriate by the DBPM and COR.

b. The DBQCM shall monitor site conditions daily and provide weekly progress updates to the DBPM and COR. Photographs and daily check sheets shall be uploaded to the shared construction management software (see section I.F.).

c. During the preparation of each definable feature of work, the DBQCM shall review the specification requirements with each competent person performing the work.

d. The DBQCM shall attend and monitor all three phases of control for each definable feature of work. Any deficiencies in the performance of the work shall be verbally conveyed to the COR.

e. The DBQCM shall be responsible for maintaining all record and construction drawings, details, and as well as provide monthly red line drawing updates to the AE to incorporate into the as-built Building Information Model (BIM) record set for the entire CUP.

f. The DBQCM shall be responsible for performing commissioning throughout design, construction, acceptance, and post-acceptance phases and satisfactorily adhering to all Section 1.10 requirements of the Engineering

Standards & Material Requirements (ESMR, Attachment C).

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3. The DBC shall provide a full-time Site Superintendent for execution of the work required in this task order with permissible collateral duty authority to serve as the

Site Safety Officer authorized to administer the DBC’s approved Site-Specific

Safety Plan. This individual shall have over 10 years of medium voltage construction experience and hold a current OSHA 30-hour Construction Safety

Card issued within the last three years. This individual may not serve any other function and assignment (on this task order or any other task order contract) throughout the course of this work.

a. The Site Superintendent/Safety Officer shall be physically present on site within direct eyesight of all performance of work actions throughout the duration of this work.

b. The Site Superintendent/Safety Officer shall be directly responsible for identifying and mitigating all work hazards for each definable feature of work and submit activity hazard analysis (AHA) to NIH Health and Safety

Branch (HSB) for review and concurrence.

c. The Site Superintendent/Safety Officer shall be directly responsible for all subcontracted manpower qualifications and competent persons. This individual shall maintain a log of all qualified persons (QP) on site along with their certifications for each work action.

d. The Site Superintendent/Safety Officer shall be responsible for all site conditions within the limits of construction including, safety, general housekeeping, preventative maintenance, and shall coordinate to continued function or replacement activities for all landscaping, housekeeping, and other service contract actions impacted throughout the duration of the constructed work activity.

E. Within 120 days of contract award, the DBC shall provide a Relay Protection and

Control Engineer for the duration of the work required in this task order. The

Protection Engineer shall be a PE licensed to practice engineering in the state of

North Carolina with at least three years of utility engineering work history at a substation or power plant. This person shall coordinate the replacement, tests, and installation of all MVE equipment. This person shall study the design plans and determine the suitable application to the protection systems. This person shall direct computer analysis of system operating characteristics (such as voltage, system stability, and load limitations) and create software solutions to improve operator safety and efficiency. The Protection Engineer shall coordinate design selections to integrate into campus Schweitzer Engineering Laboratories (SEL) supervisory control and data acquisition (SCADA) systems. This person shall assist the Engineering

Application Team in the development of a standardized plant human machine interface (HMI) to monitor function of existing and installed MVE equipment.

F. Within 30 days of contract award, the DBC shall subscribe to and provide construction management software throughout the entire duration of the project (e.g., Procore).

1. The Software shall:

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a. Provide long-term construction document management, up to a year after project completion.

b. Be cloud-based with unlimited user registration.

c. Provide task management functionality.

d. Provide submittal status tracking.

e. Provide request for information (RFI) tracking.

f. Be available and accessible on mobile devices.

2. The DBC shall provide on demand training services to project stakeholders on the use of this software.

G. Within 7 calendar days of task order NTP the DBC shall provide a Preliminary

Schedule for approval. The Preliminary Schedule shall define operations for the first

180 calendar days and will be used for payment purposes not to exceed 180 calendar days after NTP. Completely cost load the Preliminary Project Schedule to balance the contract CLINS (if applicable). The Preliminary Schedule shall be detailed for the first 180 days and may be summary in nature for the remaining performance period. The Preliminary Schedule forms the basis for the “detailed” design and construction schedule required below. The Preliminary Schedule shall show all major design milestone activities, design review conferences, and other non-construction activities intended to occur within the first 180 calendar days. Constrain construction activities by Government acceptance of the associated design package(s) and all other specified program and plan approvals.

H. Within 45 calendar days of task order NTP the DBC shall provide a detailed design schedule identifying all major and minor features of work including all design submissions, construction activities, and closeout documentation required in Section

IV of this SOW within the period of performance specified. The schedule shall demonstrate a reasonable and realistic sequence of activities which represent all work through the entire task order performance period. The schedule shall be at a reasonable level of detail as determined by the Contracting Officer’s Representative

(COR). The schedule shall be updated and submitted with each pay request. The

COR shall approve ALL schedule changes prior to submission.

I. To avoid unexpected material delivery delays ALL material shall be on the job site or stored locally and readily available. A preparatory meeting may not be scheduled until the material is made available for inspection. No work shall be performed without a preparatory inspection.

J. The DBC shall provide preliminary Design Development (DD) and final Construction

Documents (CD) submissions per the contract. NIH/ORF will review the drawing and specification submissions for compliance with project scope and direction. For each submittal, the Contractor shall incorporate 21 calendar days for each design review phase by the Government, an appropriate response time by the Contractor, and a subsequent 14 calendar day review of Contractor comments by the Government.

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K. The DBC shall incorporate the comments of the NIH Bethesda/ORF COR/Technical

Reviewers resulting from the review of the prior submission. Failure to address comments shall be grounds for rejecting the submittal. Additional information can be found in the attached document titled “DTR Permit Review User Manual - External

AE Role” (Attachment B).

L. Drawings shall be prepared in accordance with the NIH Design Requirements Manual

(DRM; version 2.0) and in accordance with the FMB-RTP Engineering Standards and

Material Requirements (ESMR; Revision J), Attachment C. Drawings shall be designed, reviewed, and stamped and signed by a NC Licensed Professional Engineer for each respective discipline. Drawing shall be coordinated amongst all specified disciplines.

M. The A/E shall provide the following quantities of material at reviews as indicated*:

REVIEW DRAWINGS SPECS and SUBMITTAL REGISTER

Half Size Full Size

DD1 (65%) 3 Sets 1 Set 1 Set

CD1 (95%) 3 Sets 1 Set 1 Set

CD2 (100%) 3 Sets 1 Set 1 Set

Issued For Constr. 6 Sets 4 Sets 6 Sets

Shop Drawings 1 Set 1 Set

Red Lines ** 1 Set 1 Set

As-Builts *** 2 Set 1 Set

* The Contractor shall provide electronic copies (.pdf, .dwg, and .rvt) at every review in addition to the hard copies listed above. File transfer will be via NIH SEFT.

** The DBC shall provide coordinated red line drawings every month, after start of construction, for review with any payment applications.

***The DBC shall provide coordinated as-built drawings from construction red lines into NIH record drawing set in AutoDesk Revit.

The DBC’s AE/DOR shall upload the drawing file submittals for each review period to the DTR review system to begin the government review period. No submissions shall be uploaded after noon on the day of submission, or the following business day will be counted as the first day of receipt for review. No submission shall be uploaded the day before a holiday or weekend, or the following business day afterward shall be considered the first day of receipt for review.

N. The ‘Final’ shop drawing submission shall provide a full presentation of all components, materials, submittal requirements, execution, and testing.

O. Specifications:

1. The technical specification section numbers and titles shall be in accordance with the latest version of the Construction Specifications Institute (CSI) Masterformat.

Specification format shall be clear and comprehensive and shall present no

July 17, 2024 6 of 22 Task Order C109584 conflict in work control and construction management. The DBC’s AE/DOR shall provide a submittal register identifying all required material submittals referenced in the specifications for review and approval.

2. The Preliminary Design submittal may consist of partially completed guide specifications. The DBC must provide enough detail to determine project direction and scope. Specifications shall be printed on 2-sided paper in hard spiral notebook with tabs marking each section.

3. A Table of Contents and corresponding submittal register (a list of required construction contractor submittals) referenced to section and paragraph number shall be provided with all specifications. The DBC’s AE/DOR shall coordinate with project stakeholders to develop a submittal register tracking the communication status of all submittals. All specification hardcopies provided to the government shall be tabbed for easy navigation.

4. The cover of the technical specifications shall bear the name:

• National Institute of Environmental Health Sciences

• NIH/ORF/RTPFMB

• Task Order C109584: Generators for Campus Emergency Chilled Water

Service

• Design-Build Team

• Stamped and signed NC PE seal of DOR

• Date of preparation

5. Each design submission shall include provisions for providing all project stakeholders with a full presentation of all components, materials, submittal requirements, execution, and testing. Each response period shall have a minimum of one-hour joint review session (either in person or via MS Teams) to address each response or query.

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II. DESIGN & CONSTRUCTION REQUIREMENTS:

A. The Design-Build Contractor (DBC) shall construct the project per the approved

Issued for Construction (IFC) design-build drawings their A/E (Designer of

Record/DOR) develops and submits to NIH/ORF. If the DBC deviates from the approved construction drawings, then the change must be denoted coordinated via a

Request for Information for acceptance by NIH/ORF prior to the change.

B. The DBC shall construct the project in accordance with this Statement of Work, the

Bridging Documents (Attachment A), the NIH Design Requirements Manual (Rev.

2.0), all applicable federal and state standards and codes, and in accordance with the

RTPFMB Engineering Standards and Material Requirements Manual (ESMR, Revision J), Attachment C. All product submittals shall provide the DBQC’s evaluation coversheet with approvals showing both DRM and ESMR reference pages as applicable.

C. RTPFMB site specific specification sections take precedent over general specifications development requirements, per Attachment D.

1. The DBC shall comply with site specific Specification 01 32 01, Project

Schedule, for developing and maintaining project scheduling.

2. The DBC shall comply with site specific Specification 01 33 00, Submittal

Procedures, for all design and construction requirements.

3. The DBC shall comply with site specific Specification 01 35 26, Safety

Requirements, and the safety requirements detailed within the Contractor’s overall Accident Prevention Plan and approved task order specific supplement.

4. The DBC shall comply with site specific Specification 01 45 00, Contractor

Quality Control, and the quality control requirements that will be detailed within the Contractor’s approved overall Quality Control Plan and approved task order specific supplement.

5. The DBC shall comply with site specific Specification 01 78 00, Closeout

Requirements, and the manufacturer’s installation requirements for startup, commissioning, and turnover of all new or replaced equipment.

D. Work Restrictions:

1. All work is expected to be performed during standard business hours (7am – 5pm)

Monday-Friday except for outages affecting Building 109 and Building 101. Any extended hour, weekend, or holiday work shall be coordinated with the COR for approval at minimum 3 days in advance.

2. DBC shall coordinate all outages a minimum of 30 calendar days in advance.

a. All work performed on the 100 Main Switchgear shall occur during a single outage.

b. All work performed on the 200 Main Switchgear shall occur during a single

(separate) outage.

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c. Only one Switchgear (100 side or 200 side) may be isolated at any one time.

d. A campus wide outage is not anticipated to complete work associated with this task order.

e. North Plant shall not be down or interrupted during summer heating season.

f. Power Alley road will need to always remain open. Any road closures on campus will need to be minimized and coordinated the same as any utility outage.

g. All work performed that may impact Building 101 and Building 109 will not result in an outage lasting longer than 4 hours.

3. All work activities, including inspections, during any construction and including system outage monitoring activities, are to be supervised by an authorized NIH badged employee of the prime contractor and at least three business days advanced notice given to all NIH project stakeholders to witness.

4. Work areas are to be always kept broom clean and tidy with no environmental or safety hazards present. Daily housekeeping shall maintain clean floors (floors shall be broom cleaned daily; plant floors shall be broom cleaned daily) throughout the workspace and sticky walk off matts placed at each construction entrance to be replaced daily or sooner, as needed. Trash and debris to be removed each day. Repeat infractions of this restriction will be grounds for removal of Site Superintendent.

5. DBC shall install temporary partitions (at least six feet high) with 3mil poly plastic sheeting to isolate and protect equipment outside of work scope in all buildings of the CUP, as necessary, and at the direction of the project officer/COR. No partition or protective sheeting shall be left in a manner to interfere with NIH staff work performed during regular business hours.

Temporary partitions may need to be frequently moved or relocated and shall be reinstalled within 24 hours’ notice.

6. No unauthorized storage of material or equipment in CUP buildings are permitted and the government will not be responsible for any loss of material or equipment within these areas.

7. Work requiring utility outages (chilled water, heating water, domestic water, reclaim water, fuel oil lines, gases, electrical, data, etc.) that affect areas other than the rooms being renovated shall be planned and performed during seasonally appropriate phases within normal business hours.

a. All work on or outages impacting reclaimed water line shall not be during critical usage period during summer months, May - August.

8. Work activities resulting in sustained 80 decibels (or higher) over 15 minutes in duration, shall be monitored and measured for compliance with federal law.

9. Contractor shall coordinate with the project officer and all affected stakeholders and users on any space or utility impacts by providing timely outage requests with clear detail of work requirements at least 21 calendar days in advance for utility outages required to perform the SOW.

E. During initial design development, The DBC’s AE/DOR shall validate calculations and conditions presented in Bridging Documents (Attachment #A) to verify against

July 17, 2024 9 of 22 Task Order C109584 existing conditions. Any deviations shall be brought to the project officer’s attention in the form of an RFI within the first 60 days of this task order.

F. Designer shall adhere to the North Carolina Department of Environmental Quality

(NCDEQ) requirements for all sediment and erosion control plans in lieu of the

MACC contract requirements detailed for Maryland.

G. Parking: All contractor parking shall be within the confines of the contractor’s enclosed laydown area authorized by the COR, per Attachment H.

1. Campus parking lots and marked spaces shall not be utilized for construction vehicle parking and material staging. All subcontractor vehicle parking and material delivery shall be within enclosed contractor work area.

2. A work laydown area shall be requested and coordinated with the project officer/COR. Suitable space either adjacent to work area or elsewhere on campus will be provided for use throughout the duration of the work.

H. Stored Materials: Payment for stored materials is authorized for this project. All material will need to be stored within approved contractor laydown area that is protected from the elements and shall not be stored in a manner that interferes with or obstructs building access and function. Alternatively, a Bonded Warehouse within 30 miles drive of the project site may be authorized by the contracting officer.

I. NIH will provide power and potable (domestic) water for the construction site (utility tap-ins to be designed/constructed by the contractor). NIH will provide limited on-campus staging area(s) that will be determined during design.

1. Within 60 days of NTP, the DBC shall provide temporary on-site office spaces for each of the full-time staff, as well as for the project officer (customer’s representative), throughout the duration of this project. Office space shall be at least 60 square feet enclosed with a lockable door. DBC shall provide individualized controlled lighting, A/C, and interior furnishings for each office.

2. The DBC shall be responsible for providing restroom facilities for all onsite staff and contracted workers.

3. The DBC shall provide active housekeeping of temporary facilities through the duration of the use of such facilities.

J. Site Access: The NIH access gates at T.W. Alexander Road will serve as the primary entrances for contractor staff, construction and consultant crews, vehicles, and material and equipment deliveries. Oversized deliveries may be coordinated with security staff for delivery through Hopson Road western gate (at Lakeview Drive).

Site access is limited to campus gate opening schedules and any access requests outside of these hours will need to be minimized and coordinated in advance with campus security personnel.

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1. The contractor shall ensure that the fire lanes identified in their construction logistics plans are always clear of obstacles (24/7/365) and that CUP personnel always have an open vehicle ingress and egress to Bldg. 105 & 106. All pedestrian walkways shall remain open and available for safe access and emergency egress from work areas.

2. The DBC shall contain all work and laydown areas with NIH approved construction fencing in accordance with the DRM guidelines. Fence screening shall have NIH & DB teams’ emblems imprinted. Construction site entrance swing gate arms shall be maintained in working condition. NIH locksmith shall provide a construction core for all gate locks. All additional temporary features added by the contractor shall be maintained in an accessible and safe condition throughout the duration of the project (this includes snow removal and landscape maintenance).

K. Special Requirements

1. In general, all terms and conditions of the MACC contract shall govern this solicitation, except where local site-specific requirements are more stringent.

2. The Contractor may utilize fast-track methods for design and construction delivery to meet the project performance period specified in the TORFP (Task

Order Request for Proposal). Long lead items shall be placed on order as soon a sufficiently possible to meet installation timeframes.

3. All Commissioning (Cx) activities shall be the responsibility of the contractor.

The contractor shall retain an independent, certified commissioning agent to perform the project commissioning of each piece of equipment. The proposed commissioning agent, including their qualifications, shall be included in the

Quality Control Plan. The NIH and the NIH’s commissioning consultant will review the contractor’s commissioning plans, reports, and will witness installations, start-ups, testing, etc., as necessary to ensure the building systems are properly commissioned.

4. The contractor may be required to coordinate work activities with other NIH contractors and installers. If required, DBC shall work cooperatively to facilitate

NIH contractor’s work activities.

5. During the design phase, the DBC shall interact and coordinate with the NIH users for identifying and coordinating equipment installation (by NIH/ or third-party vendor). The DBC shall provide space, structure, utilities, and services to accommodate the delivery and startup of new equipment.

6. DBC bidders can undertake additional geotechnical exploration and other studies at their own cost prior to submission of technical and price proposals. DBC bidder must request access to the site at least 7 days in advance to schedule any pre-bid investigation actives. Appropriate safety documentation will be required for review by NIH Safety team.

7. The DBC shall utilize a Virtual Design Team for all BIM updates to CUP models.

8. The DBC shall furnish design drawings, submittals, calculations, cut sheets, etc., to NIH for review. NIH review of such submission is purely for compliance with programmatic, prescriptive requirements and functional criteria, meeting the

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TORFP documents. Neither NIH review nor approval of any design, construction documents submission and submittals shall NOT be deemed to transfer any design liability from DBC to NIH. All approvals are for acceptance that submission were performed in accordance with contract requirements.

9. DBC shall submit relevant documents and calculations, etc., regarding life safety code compliance for review and approval to obtain necessary permits from the

NIH Fire Marshal.

10. DBC shall submit suitable native replacement selection for planting new trees to replace all 4-inch diameter trees removed during this project. DBC shall provide for site beautification in design and coordinate with NIH landscaping team for specie selection and placement around project site.

11. DBC bids shall provide a credit for recycled equipment called out in BOD section

12.2. Any existing SEL equipment (including microprocessor-based relays) shall be salvaged and reused (where possible) or turned over to the government.

12. DBC design team shall remove any reference to project C109458 in BOD (see section 12.4/drawing sheet SU101, sheet E801, and specification section 26 09

14).

13. DBC shall submit and coordinate Utility Shutdown Requests with all impacted staff, as applicable, for tie-ins to existing building infrastructure.

14. DBC shall arrange and pay for all factory and post installation inspections, testing, and reports. DBC shall provide a minimum of 4 weeks’ notice prior to factory testing to facilitate Government review.

15. DBC shall always exercise complete and exclusive control over the means, methods, sequence, and techniques of construction.

16. Project safety is of paramount importance; DBC shall coordinate and schedule all crane lifts and avoid swings over existing buildings, and provide advanced notice to NIH safety staff to witness.

17. DBC shall strictly monitor and control the security of the project site and ensure all workers follow NIH policies and guidelines. Repeat failure to follow will be grounds for removal from site and further access restricted.

18. Correction of defects. DBC shall correct any work that is found to be not in compliance with the contract documents. Within one (1) week of receipt of written notice from NIH, the DBC shall take meaningful steps to commence correction of such non-conforming work, including correction, removal, or replacement of such non-conforming work.

19. DBC shall integrate all SCADA/HMI, including relays, and updated graphics, into Metasys using either new or existing ‘RTAC’ connections. Metasys graphics shall include individual feeders and new campus One-line graphic similar to the

NIEHS Campus HMI shown in Figure 1 below.

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20. The DBC shall integrate the new relays into the existing campus Schweitzer

Engineering Laboratories (SEL) web-based HMI for remote monitoring. The

DBC shall utilize SEL’s Engineering Application Team for the configuration and layout of new operator SEL display. Provide new operator monitors to match existing in Bldg. 105. Update and tag all new relays in the existing HMI One-line graphic shown in Figure 1. Provide new HMI workstation screens for relays similar to Figure 2 below.

21. The DBC shall “tag” all events for recording in the Sequence of Events recorder and make accessible through the web-based HMI.

22. The DBC shall utilize a Power Control Systems Integrator for turnkey design implementation testing and development of MVE monitoring solutions.

23. The DBC shall commission all relays and program logic to demonstrate 100% compliance of relay settings and system performance include Arc Flash tripping using dynamic-state testing. All tests shall be supervised and accepted by the

Relay Protection and Control Engineer and performed by a NETA certified third-party testing agency.

L. Construction Phasing / Limitations

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1. Work shall be performed in a phased approached, sequenced so that only one electric feeder is impacted at any given time. Additional phasing per feeder is also recommended.

2. DBC shall provide site supervisor and safety personnel at all times of day throughout entire project construction duration.

3. DBC shall ensure that all inspections are coordinated through the COR and HSB to be performed during business hours, and approval received at least 7 days in advance of the scheduled activity.

4. The DBC shall limit outages affecting Building 109 and Building 101 to four (4) outages.

5. The DBC shall install backup power distribution and perform electrical equipment replacements in a phased manner to maintain chilled water and hot water production per campus seasonal demands.

a. Due to the electrical loading associated with chilled water production, the construction phasing shall align with chilled water production limitations as described in the Bridging Documents, in attachment A.

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III. SCOPE OF WORK

A. Project Objective:

The objective of this project is to improve the medium voltage electric (MVE) infrastructure for the NIEHS campus and upgrade the power production and distribution system for standby chiller function within the central utility plant (CUP).

This work will consist of correcting medium voltage and low voltage duct bank settlement concerns and conductors throughout campus; replacement of existing medium voltage feeder 107/204 fed from Building 107 to all connected loads;

installation of above ground medium voltage switches for all taps; construction of a new medium voltage generator yard and electrical vault underneath to provide uninterruptable chilled water production and harden power distribution for critical support buildings serving the RTP campus. The DBC shall complete the design and construction of all Program of Requirements (POR) as detailed in the Bridging

Documents, Attachment A.

CLIN 001 – C109584

B. Building 105

1. The Power Distribution Yard (PDY) will contain Medium Voltage Electrical

(MVE) switchgear that connects to all surrounding buildings and a generator load capacity to start and run at least one 3500-ton chiller along with all its associated pumps and cooling towers to serve the campus in the event of a utility power outage. The PDY shall be expandable for additional power generation to start and run two 3500-ton chillers.

2. The improved medium voltage power production and distribution will restructure north plant electrical equipment layout and provide increased normal power switching capability supporting 24/7 facility operations and will be expandable for future growth.

3. Standby power production and electricity generation:

a. The DBC shall at a minimum provide and install two standby diesel generators each providing a minimum of 2000 kW collocated in a new yard located south of Bldg. 105.

1) Generators shall produce line to line voltage at 13.8kV.

2) Generators shall be factory-painted with manufacturer’s primer and painted with white finish, with NIH initials and logo printed in blue on both top and sides.

b. The DBC shall at a minimum provide and install two new 13.8kV switchgears, each in an outdoor walk-in enclosure.

1) Provide 3-position mechanism for load shed and delayed transitions.

2) Use 4 pole transfer switch with ground fault sensing.

3) Provide bypass isolation mechanism for uninterrupted power transfer.

4) Provide a secure and hardened electrical vault underneath with a minimum of 7,500 square feet of available space.

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4. The DBC shall at a minimum provide and install new MV feeds to support buildings and new equipment as shown in bridging drawings.

5. The DBC shall at a minimum provide all new MVE transformers, where shown in bridging documents in Bldg. 105, as well as TX-2.

6. The DBC shall at a minimum provide a new pad mount three-way switch at hilltop adjacent to MH102.

7. The DBC shall at a minimum replace/repurpose and reorganize the electrical distribution equipment and cooling of the north plant electrical room.

C. The DBC shall maintain all Revit file BIM record drawings sets showing existing and as-left field conditions throughout the course of the project.

D. The DB Contractor shall develop schematic, design, and construction documents

(drawings and specifications) and successfully manage and perform the coordinated construction of a suitable turnkey solution conforming with the Bridging Document

(Attachment A) requirements, including the following key elements of additional work and associated constraints aimed at improving the medium voltage generation, transmission, and distribution throughout campus.

1. ATS control scheme shall block open command for south plant medium voltage during an electrical outage and reclose feeders during normal conditions. South plant generator shall remain in service.

2. Replace TX-2 with new transformer to accept two feeds as shown in E406.

3. Provide two new medium voltage feeds to TX-2.

4. Provide new duct bank for support of new pad mounted three-way switch for feeder into Bldg. 104 XFMR-1.

5. DBC shall provide fully networked and integrated Human Machine Interfaces

(HMI) for CUP operator workstations in Bldg. 105. The SCADA shall provide a graphical representation of the electrical distribution system for the associated switchgears. An operator shall be able to initiate automation from any HMI workstation and monitor from any location.

6. Remote generator control plan shall be provided in each control room.

7. DBC shall provide arc flash integration and protection for all gear installed and integrated with feeders upstream and downstream to provide complete protection of CUP equipment.

8. DBC shall remove all temporary installations and provide and repair all new landscaping throughout limits of disturbance from construction.

9. DBC shall resurface asphalt parking and road areas that are damaged from a course of this work (at a minimum the entire south parking lot shall be planned to be repaved, sealed, and marked per DRM requirements).

E. The DBC shall be responsible to further develop the bridging documents into stamped and sealed issued for construction (IFC) documents. The DBC shall employ the use of senior engineers within the following professional design disciplines: Civil, Structural, Architectural, Mechanical, Electrical, and Fire Alarm and Security.

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F. The DBC shall ensure that all Schematic, Design Development, and Construction

Drawing submissions shall show precise, field verified, existing conditions of work areas along with isometric details of utility connections and routes around other existing mechanical and electrical utilities. Construction Drawings shall be designed, reviewed, and stamped by a licensed North Carolina (NC) Professional Engineer

(PE).

G. The DBC shall employ the services of a licensed Relay Protection and Control

Engineer and Power Control Systems Integrator to review and approval all design submissions and prepare shop drawings for the replacement of all relays.

1. The Relay Protection and Control Engineer shall demonstrate a minimum of five

(5) years of experience in relay protection and control design of medium or high voltage (15-345 kV) substations including:

a. Knowledge of protection principles and practices for distribution feeders and major substation equipment.

b. Knowledge of AC/DC fundamentals, including understanding of three-phase power systems.

c. Knowledge and understanding of substation components and their functions.

d. Strong knowledge of design documents and drawings necessary to complete a substation protection and control design project.

e. Relevant knowledge of applicable codes and standards such as ASTM, ISO, IEEE, ANSI, NESC, NFPA, NEC, UL, and NEMA.

2. The Relay Protection and Control Engineer shop drawings shall consist of updated design documents for the project including one-lines, three-lines, control schematics and wiring diagrams, relay panel arrangement, conduit and cable sizing, and any required specialized specifications for the removal and replacement of all medium voltage feeders.

3. The Relay Protection and Control Engineer shall be responsible for the incorporation of required Arc Flash protection all new and reused equipment.

H. Grounding grid: The DBC shall design and install a new grounding electrode system at the PDY. Design shall include Specification Section 26 05 26.

1. Grounding grid shall not have a resistance to ground exceeding 5 ohms.

2. Switchgear shall have bare grounding electrode conductor from the switch gear ground bus to the grounding electrode system.

3. Duct Banks and Manholes: Provide an insulated equipment grounding conductor in each duct containing MVE conductors, sized per NEC except that minimum size shall be No. 2 AWG. Bond the equipment grounding conductors to the switchgear ground bus, to all manhole grounding provisions and hardware, to the cable shield grounding provisions of MVE cable splices and terminations, and to equipment enclosures.

4. Pad-Mounted Transformers:

a. Provide a driven ground rod and bond with a grounding electrode conductor to the transformer grounding pad.

b. Ground the secondary neutral.

July 17, 2024 17 of 22 Task Order C109584

5. Lightning Arresters: Connect lightning arresters to the equipment ground bus or ground rods as applicable.

I. Conductors: A representative sample of medium-voltage cables shall have factory tests performed per NEMA WC 74 to ensure that there are no electrical defects in that specific lot of cable. The DBC shall install permanent identification tags on each circuit’s cables to clearly designate the circuit identification and voltage. The tags shall be the embossed brass type, 50 mm (1.5 inches) in diameter and 40 mils thick.

Attach tags with plastic ties. Position the tags so they will be easy and clear to read after the fireproofing tap is installed. The DBC shall perform acceptance checks and tests in accordance with the latest IEEE 400 and 400.2, manufacturer’s recommendations, and as specified in construction documents.

J. Prior to the start of construction, the Contractor shall submit the material indicated on the approved submittal register in accordance with Specification 01 33 00:

SUBMITTAL PROCEDURES.

K. Bldg. 105 Project Phasing: The project execution has been envisioned to comprise multiple phases, as shown in Attachment A, Bridging Documents, that will need to be developed into critical path method for coordinated scheduling with all stakeholders.

1. Design phase shall begin with a design charrette where the DBC’s AE/DOR team presents the stakeholder team their most recent medium voltage installation success, schematic visions of this project’s success, long lead time equipment preference selections, and design team profile of relevant experience and qualifications.

2. Construction phases shall not begin until each sealed IFC drawings for each phase are provided to stakeholders. Several site prep phases may be fast tracked before full IFC document set is complete.

CLIN 002 – C115324

L. The DBC shall evaluate all existing Medium Voltage (MV) duct bank from Building

107 to connected loads and provide a design and correct identified settlement concerns that will prevent the pulling and installation of medium voltage cable throughout campus for paths identified in Attachment F – Electrical Site Plan.

M. The DBC shall identify and label all medium voltage cables fed from Building 107 to connected loads on the NIEHS campus. Cables shall be properly labeled at each manhole (MH) location and at each connected load or splice/tap point to easily recognize and distinguish each cable source.

N. The DBC shall identify an available (spare) duct pathway from Building 107 to all connected loads from the 100-side duct bank to support parallel installation of a

July 17, 2024 18 of 22 Task Order C109584 replacement for Feeder 107/204. Design and installation of additional pathways shall be provided where required to facilitate connections.

O. The DBC shall install a new feeder 107/204. The feeder shall consist of 15KV three phase cable, in its entirety from the MV switchgear in Bldg. 107 to connected loads.

New cable shall be 500 Kcmil and equivalent to Southwire Spec 46304. New multi-way pad-mount switches shall be installed at each required “tap” location. Each multi-way switch shall include at minimum 1 spare way for future use. Currently taps/splices exist at MH 17 to feed TX-1; MH 19 to feed Bldg. 101 C-vault; MH 22A to feed Bldg. 109 and Bldg. 101 F-Penthouse. No t-taps or modular splices shall be allowed. Label all new cables at each MH location and load.

P. Provide a new multi-way pad-mount switch at MH 16 in lieu of the tap at MH 17 that feeds the switch/transformer combination in the North parking lot (TX-1). The new multi-way switch shall have 1 spare way for future use with duct connections into

MH. Verify availability of spare conduit pathway in existing site duct bank from

MH16 to MH17 for use. New concrete encased duct bank from MH17-E1 is required.

Q. Provide a new multi-way pad-mount switch at MH 19 in lieu of the existing tap that feeds Bldg. 101 C-vault. The new multi-way switch shall have 1 spare way for future use with duct connections into MH.

R. Provide a new multi-way pad-mount switch at MH22A in lieu of the existing tap that feeds Bldg. 109 and Bldg. 101 F-Penthouse. The new multi-way switch shall have 1 spare way for future use with duct connections into MH.

S. Upon acceptance and energization of new Feeder 107/204 remove the former three phase 107/204 feeder cable between Bldg. 107 and previously connected loads. Flat polyester pull tape, 5/8” diameter with minimum 1800-pound tensile strength shall be installed for use in all emptied conduit.

T. The DBC shall design and construct a parallel concrete encased duct bank from Bldg.

101 C-vault to MH-1 including both Normal and Emergency raceways as found in

Attachment G - Duct Bank Report. It is not acceptable to run a parallel concrete encased duct bank within the extents of the generator intake area adjacent to the site.

Any construction activities shall not further compromise the integrity of the existing duct bank and is to remain in operation during construction.

U. DBC shall investigate the requirement and provide seismic joints where required to allow movement within the duct without damage.

V. The DBC shall re-feed all existing circuits found in the existing duct bank fed from

Building 101 C-vault utilizing the new duct bank from C-vault to MH-1.

July 17, 2024 19 of 22 Task Order C109584

W. The DBC shall have appropriate spare over current devices on hand for emergency replacement in the event existing over current devices are found non-functional.

Contractor shall install as required in the event of an emergency for any over current devices found defective or not suitable for use. Government will execute a modification to reimburse for materials only in the event of an emergency.

X. The DBC may abandon the existing duct bank and seal conduits at both ends between

C-vault and MH-1 in lieu of demolition.

Y. The DBC shall return any disturbed areas to existing conditions prior to acceptance.

Z. Bldg. 101 and Bldg. 109 Project Phasing: The DBC shall provide a phasing plan to minimize outages to make final connections to existing loads for Feeder 107/204 and low voltage feeders fed from Bldg. 101 C-vault through the repaired/parallel low voltage duct bank. Outages shall be limited to no more than 4 hours.

AA. Temporary power connections and generator backup to loads impacting animal areas and associated HVAC equipment in Modules D and E shall be required during planned outages.

CLIN 003 – C109584

BB. All equipment shall have a warranty period of at least four (4) calendar years from when placed into service. The TDBC shall procure and issue a three-year maintenance plan, on behalf of the government, for all manufacturer’s recommended routine maintenance on new equipment. Maintenance plan shall include all spare parts to maintain each equipment.

GENERAL REQUIREMENTS

CC. Listing: All fire protection devices, equipment, and materials shall be listed for the intended use. “Listed” is defined as equipment and materials that are identified in the Factory Mutual (FM) Global Approval Guide and/or the various directories of

Underwriters Laboratories (UL).

DD. Testing: All newly installed cables shall be tested in accordance with the National

Electrical Testing Association (NETA) recommended testing standards and reports provided prior to energization or use. All tests shall be performed by NETA certified technicians.

IV. CLOSE-OUT REQUIREMENTS

A. The Contractor shall provide the following in accordance with Specification 01 78 00, CLOSEOUT:

a. New Equipment Data Worksheets

July 17, 2024 20 of 22 Task Order C109584

b. Warranties

c. Spare Parts Data

d. Preventative Maintenance

e. Operation and Maintenance Manuals

f. As-Built Drawings

B. Training: The Contractor shall provide a total of 40 hours training in a minimum of ten, 4-hour shifts. Submit classroom and field instructions in the operation and maintenance of systems equipment where required by the technical provisions of the task order specifications and as listed below. These services must be directed by the

Contractor, using the manufacturer’s factory-trained personnel or qualified representatives in accordance with Specification 01 78 00, paragraph 1.6.3.

a. Generator Equipment

b. Switchgear Equipment

c. SCADA/HMI Software

d. BIM Software

C. Panelboard Circuit Directory: Modify panelboard circuit directory in accordance with NFPA 70, Article 408. Every circuit and circuit modification shall be legibly identified as to its clear, evident, and specific purpose or use. The identification shall include sufficient detail to allow each circuit to be distinguished from all others.

Spare positions that contain unused overcurrent devices or switches shall be described accordingly. The identification shall be included in a circuit directory that is located on the face or inside of the panel door in the case of a panelboard and located at each switch or circuit breaker in a switchboard. No circuit shall be described in a manner that depends on transient conditions of occupancy.

1. On task orders where less than 50% of the total circuit space is affected, the existing panel schedule shall be updated for each affected circuit in accordance with referenced NFPA 70 requirements. The Contractor shall update the NIH electronic circuit directory template and re-type/print the existing circuit directory with an asterisk next to the description for all newly modified spaces/circuits. The hard copy format shall be in accordance with the FMB-NC standard (printed from the NIH electronic circuit directory template). A copy of the new circuit directory file and hard copy shall be submitted to the COR at or before the pre-final inspection.