Bid Package - Saline Middle School Roof-Integrated Solar Array Installation 1 of 2.pdf

REQUEST FOR PROPOSALS

FOR

ROOF-INTEGRATED SOLAR ARRAY INSTALLATION

SALINE AREA SCHOOLS

Attention: Miranda Owsley

7265 North Ann Arbor Street

Saline, Michigan 48176

Telephone: (734) 401-4000

Fax: (734) 401-4098

Email: owsleym@salineschools. org

I. OVERVIEW

1.1. PURPOSE

The purpose of the Request For Proposals (“RFP”) is for Saline Area Schools (the “School District”) to obtain proposals from qualified contractors to provide a comprehensive installation of the Roof-Integrated Solar array for Saline Middle School (the “Work”).

1.2. SELECTION TIMELINE

NOTE: Throughout the remainder of this RFP, a prospective contractor is referred to as the “Contractor.”

The School District’s anticipated timeline for its selection process is:

Issuance of this RFP March 22, 2024

Deadline for written Requests For Clarifications 4 p.m. Local Time, April 3, 2024

Non-Mandatory Pre-Proposal Meeting at Saline Middle School –

7265 North Ann Arbor Street, Saline, MI 1 p.m. Local Time, April 1, 2024

DUE DATE FOR PROPOSALS 2 p.m. Local Time, April 9, 2024

Contractor Interviews T.B.D. April 10-11, 2024

School District’s Consideration of the Contract April 23, 2024

Commencement of Work Approx. July 15, 2024 per Roofing Schedule (Attach. D)

Students Return / Work Hours Change August 26th, 2024

Substantial Completion of Work No Later Than October 01, 2024

Final Close Out Per DTE Permission to Operate Oct 01 – Nov 01, 2024

PLEASE NOTE: The School District reserves the right, in its sole and absolute discretion, to make modifications to the above selection timeline as it determines to be in its best interest.

II. SUBMISSION OF PROPOSALS

2.1. PROPOSAL SUBMISSION DEADLINE AND REQUIREMENTS

The Due Date for receipt of Proposals is:

April 9, 2024__ at 2:00 p.m Local Time. EDT (the “Due Date”)

2.1.1. Sealed proposals should be submitted through Buildingconnected.com with the following link: https://app.buildingconnected.com/public/5cc9d7f637c1a90018cb55dc.

No physical bids will be accepted in person or via delivery service.

2.1.2. Late Proposals: Each Contractor is responsible for submission of its Proposal.

Proposals or Proposal revisions received after the Due Date will not be accepted or considered. The School District is not liable for any delivery or postal delays.

2.1.3. Returned Proposals: All Proposals received after the Due Date will be unopened and made available to the respective Contractor for pick-up, at its sole cost and expense.

2.1.4. Signed Original Proposal: Each Proposal must be signed by an authorized member of the Contractor’s firm. This member should be the highest-ranking officer at the local level. NO ORAL, FAX, or E-MAILED Proposals will be accepted. Each Proposal must be submitted on the Proposal Forms attached to this RFP.

2.1.5. Opening of Proposals: At the specified location and Due Date stated above, all submitted Proposals shall be publicly opened and read aloud with the following link:

meet.google.com/qqn-wpdm-yre or phone number 1 347-745-6989 PIN: 966 196 933# . Any interested parties may attend. No immediate decision will be rendered.

2.1.6. E-Mail Clarifications: The School District intends to communicate with Contractors via e-mail (e.g., RFP clarifications and addenda). Except for the delivery of the Proposal itself, references in this RFP to “written” form of communications include e-mail.

2.1.7. Additional Requests For Clarification: Prospective Contractors may request that the School District clarify information contained in this RFP. All such requests must be made in writing via email. The School District will attempt to provide a written response to all written Requests For Clarification within five (5) business days after the receipt of such request. The School District will not respond to any Request For Clarification received after 4 p.m. on April 3, 2024. Requests For Clarification and inquiries must be made via e-mail. All Requests For Clarification must be directed to Mark Paulus at lecoleplanners3@gmail.com. (Subject Line: Roof-Integrated Solar Install RFP Request For Clarification). No response will be made to any oral questions. All questions and answers will be posted on the School District’s website. It is each Contractor’s responsibility to check the School District’s website prior to the RFP Due Date to ensure that it has received all of the information, including, but not limited to, all Addenda to this RFP.

2.1.8. Restrictions On Communication: From the issue date of this RFP until a Contractor is selected and the selection announced, a prospective Contractor shall not communicate about the subject of this RFP or a Contractor’s Proposal with the School District, its Board of Education, or any individual member, administrators, faculty, staff, students, employees, or its Construction Manager, if any, except for additional Requests For Clarification in accordance with Paragraph 2.1.7 above, or as otherwise required by applicable law.

2.1.9. Addenda to the RFP: If it becomes necessary to revise any part of this RFP, notice of the revision will be e-mailed to all parties that requested a copy of this RFP. All addenda will be issued through the School District’s website and all addenda shall become a part of this RFP. Each Contractor must in its Proposal, to avoid any miscommunication, acknowledge all addenda which it has received, but the failure of a Contractor to receive, or acknowledge receipt of, any addendum shall not relieve the Contractor of the responsibility for complying with the terms thereof.

2.1.10. RFP/Proposal Information Controlling: The School District intends that all Contractors shall have equal access to information relative to this RFP, and that this RFP contains adequate information. No information communicated, either verbally or in writing, to or from a Contractor shall be effective unless confirmed by written communication contained in an addendum to this RFP, a Request For Clarification or other written response thereto, or in the Proposal.

2.1.11. Finality of Decision: Any decision made by the School District, including the Contractor selection, shall be final.

2.1.12. Reservation of Rights: The School District reserves the right, in its sole and absolute discretion (for this provision and all other provisions contained in this RFP), to accept or reject, in whole or in part, any or all Proposals with or without cause. The School District further reserves the right to waive any irregularity or informality in the RFP process or any Proposal, and the right to award the Contract to other than the Contractor(s) submitting the best financial Proposal (low bidder). The School District reserves the right to request additional information from any or all Contractors. The School District reserves the right to select one or more Contractors to perform the Work on behalf of the School District. In the event the Contractor’s Proposal is accepted by the School District and the Contractor asserts exceptions, special considerations or conditions after acceptance, the School District, in its sole and absolute discretion, reserves the right to reject the Proposal and award the Contract to another contractor.

2.1.13. Release of Claims: Each Contractor by submitting its Proposal releases the School District from any and all claims arising out of, and related to, this RFP process and selection of a Contractor.

2.1.14. Contractor Bears Proposal Costs: A recipient of this RFP is responsible for any and all costs and liabilities incurred by it or others acting on its behalf in preparing or submitting a Proposal, or otherwise responding to this RFP, or any negotiations incidental to its Proposal or this RFP.

2.1.15. Irrevocability of Proposals: All Proposals submitted shall not be withdrawn and shall be irrevocable for a minimum period of ninety (90) calendar days following the Due Date for receipt of Proposals set forth above.

2.1.16. Collusive Bidding: The Contractor certifies that its Proposal is made without any previous understanding, agreement, or connection with any person, firm or corporation making a Proposal for the same Work and is in all respects fair, without outside control, collusion, fraud, or otherwise illegal action.

2.2. PROPOSAL REQUIREMENTS AND FORMAT

This outlines the information that must be provided by each Contractor and the required format for its Proposal. Any Proposal not providing the required information, or not conforming to the format specified, may be disqualified on that basis. Please also refer to Sections 2.1, 4.1, and 4.2 of this RFP for additional Proposal requirements. Attached to this RFP is a form of contract under which the Work requested under this RFP shall be provided by the successful Contractor (the “Contract” and referred to throughout the Contract as the “Agreement”) (See also Section 3.1 of this RFP). The Contract contains many details relative to the Work requested by the School District, the terms and conditions under which the Work shall be provided by the Contractor, and should be reviewed carefully by each Contractor prior to submitting a Proposal.

Any exceptions to the terms and conditions contained in this RFP or the form of

Contract attached to this RFP, or any other special considerations or conditions requested or required by the Contractor MUST be specifically enumerated by the

Contractor and be submitted as part of its Proposal, together with an explanation as to the reason such terms and conditions of the RFP or form of Contract cannot be met by, or, in the Contractor’s opinion, are not applicable to, the Contractor. The

Contractor shall be required and expected to meet the specifications and requirements as set forth in this RFP and the form of Contract in their entirety, except to the extent exceptions or special considerations or conditions are expressly set forth in the Contractor’s Proposal and those exceptions or special considerations or conditions are expressly accepted by the School District. All Pricing factors must be clearly indicated in the Proposal Forms provided as part of the Contractor’s

Proposal.

Each Proposal must include, at a minimum, the following:

2.2.1 A detailed list setting forth any exceptions to this RFP and/or the Contract, or other special considerations or conditions of the Contractor, including explanations of such exceptions or the reason such terms and conditions of the RFP or form of Contract cannot be met by, or on the Contractor’s opinion are not applicable to, the Contractor.

2.2.2 References – Each Proposal must include detailed evidence that the Contractor is currently providing Work for other public school districts (preferred) or similar sized projects. The Contractor must provide this information, including contact names, addresses, phone numbers, and type and scope of work provided. This should include projects of similar size and scope as the School District.

2.2.3 Evidence of the Contractor’s ability to provide adequate insurance coverages as required by this RFP and the Contract to protect the interests of the Contractor and the School District.

2.2.4 Demonstrate that the Contractor understands and will comply with all regulatory laws, codes, and requirements of any Local, State, and Federal law that apply to the requirements and obligations under this RFP and the Contract.

2.2.5 A completed Proposal Pricing Form provided as ATTACHMENT A.

2.2.6 A completed Familial Disclosure Affidavit provided as ATTACHMENT B.

2.2.7 A completed Iran Economics Sanctions Act Affidavit of Compliance provided as

ATTACHMENT C.

2.3. CONTRACTOR’S RESPONSIBILITIES

2.3.1. PROJECT LOCATION

• Saline Middle School

• Address: 7190 N Maple Rd, Saline, MI 48176

• Educational Core Hours: Weekdays 7:00 am to 3:15 pm starting August 26, 2024.

i. Disruptive work to take place after the commencement of the school year must plan to work around Educational Hours unless an exception granted by the District.

2.3.2. GENERAL SCOPE

• CONTRACTOR is to be the comprehensive Electrical & Mechanical Contractor for the project and will be responsible for all installation and professional services necessary to complete the system as designed. This work is to include, but is not limited to, coordination with local governance, procuring non-owner furnished material, coordination with District Project Managers and District Roofer, and Construction of all aspects of the PV project unless otherwise excluded within this document.

• District desires to retain Contractor, and Contractor desires to be retained, to perform or cause to be performed all work to construct and/or install the PV project and all the necessary ground/site preparations at the Site.

• Contractor must be in the business of constructing and/or installing solar facilities.

• Contractor must have all necessary licenses to perform work.

• All work performed must be warrantied per state requirements after commissioning or at a minimum must provide a 1-year workmanship warranty in addition to maintaining manufacturer warranties.

• Contractor to reference the included Design Drawings.

• The Contractor shall provide all labor, supervision, and equipment to the extent not provided by District; materials, consumables, and all necessary transportation, staging, loading, unloading, and rigging to produce electrically and mechanically complete and commercially functional Solar Roof-Mount System per the referenced drawings. This is, including, but not limited to, competent supervision, shop drawings, samples, tools and scaffolding as are necessary for the proper performance of the Work

• Contractor shall procure and install all items not specifically provided by District that may be necessary to produce a complete and functioning system. These items may include but are not limited to the items detailed in the “Contractor Procured Materials” section below, and will otherwise encompass all material not provided by the School District.

• The locations and electrical installation of the system shall be based on the final construction drawings. Contractor is responsible for information that relates to their scope of work that may be present on drawings other than electrical. District will send or provide link to all updated drawings and revisions to Contractor.

• District will provide engineered drawings to Contractor. Contractor shall physically verify site conditions to ensure final layout and placement of conduit raceways, equipment, clearances, proposed trench paths, and any additional project detailing that does not otherwise disrupt original design intent of occupied space unless written approval has been given to Contractor by District.

• Permitting

i. All work shall follow all applicable codes, standards, and publications that are in effect, and which are consistent with industry standards and requirements defined by local AHJ.

ii. Host AHJ for all inspections

• Procurement

i. Entire electrical balance of system required to be a turn-key operational system.

ii. All Contractor procured materials listed below.

• Construction Management

i. Contractor shall inform the School District of any subcontractors utilized.

ii. Contractor is required to provide an appointed Contractor representative for construction management correspondence. This representative will need to be available for meetings and check ins with the District Project Manager.

iii. Contractor to provide all tools, Contractor materials, lifts safety equipment, and necessary to perform all the work outlined in this scope of work.

iv. Contractor to perform all construction work outlined in the Construction Activities section below as specified in the construction plans.

v. Contractor to manage the logistics of Material delivery, including proper use of specified/approved Damaged material must be noted.

vi. Installation of all District procured material.

vii. Proper sequencing of construction activities as to minimize impact to customer. Contractor will assist the District Project Manager in developing the Project Schedule during the preconstruction phase of the project.

viii. Responsible for correspondence and working with District Project Manager, including daily reports, weekly construction status updates, and look ahead updates.

ix. Contractor responsible for meeting Project Schedule.

x. Contractor should be handling any Inspection of installation for Quality

Assurance/Quality Checks.

xi. Contractor to host all City, County, and Utility inspections as required.

xii. Any shutdowns to be approved by and in coordination with customer.

xiii. Contractor is responsible for Health and Safety while working on this project.

2.3.3. SCHOOL DISTRICT Procured Materials

• Issued for Construction (IFC) set engineering drawings

• PV modules

• Rooftop Racking system

• Rooftop mechanical attachments

• Rooftop AC Combiner

• AC disconnects

• DAS/Monitoring system (Data loggers)

• Inverters

• MLPE (rapid shutdown) devices

• AC panel board

• Zero Export plant controller and meter (if required)

• Power Quality Relay (if required – not currently pictured in single line diagrams)

• Ballast Block

2.3.4. CONTRACTOR Procured Materials (may include but is not limited to)

• DC wire (Copper per IFC)

• AC wire (Copper or Aluminum per IFC)

• Conduit (EMT, Liquid Tight)

• Data cables- excluding fiber

• Ballast block

• Furnish and install equipment for line side tap (Utility Compliant)

• Balance of materials to integrate the solar array and provide a turn-key, operational solar installation (wire management, connectors, etc.)

• PPE & Safety equipment

• Required NEC equipment labeling per the construction plans.

2.3.5. SCOPE OF WORK – BASE PROJECT

• All construction activities to follow District construction plans, stamped by licensed Professional Engineer.

• Installation of all DC Wiring and grounding.

• Installation of all AC Wiring.

• Installation of all Electrical Balance of System equipment.

• Mechanical installation of PV module racking system.

• Coordinate with District’s roofer to ensure compatible installation schedule.

• Field locate mechanical roofing attachment on roofs and coordinate with District’s roofer for attachment installation.

• Mechanical installation of PV Modules (1,346 Approximate Modules Total).

• Install solar panel clamps as needed.

• Electrical and Mechanical installation of all inverters.

• Electrical and Mechanical installation of all NEP devices

• Install, wire, and commission monitoring equipment.

• Installation and programming of plant controller and/or relays as required by DTE.

• Interconnections to existing facilities at one point of common coupling (POCC) in compliance with most recent NEC electrical code subsection “point of connection.”

• Labeling of all equipment per NEC, Authority Having Jurisdiction (AHJ), and Utility reequipments

• Contractor should make any requested installation corrections due to random site inspections by Project Manager.

• System acceptance (verification that the system is performing in accordance with manufacturer’s specifications and warranties). District’s approval and acceptance of the work shall be delivered by written confirmation.

• Contractor is responsible for providing all tools and equipment necessary to perform Work per this Job Order

• Contractor is responsible for system startup, testing, and commissioning.

• Contractor is responsible for demobilization and returning to previous site conditions.

• Contractor to manage correspondence and coordination with Authority Having Jurisdiction (“AHJ”) with proper correspondence back to District Project Manager for any necessary engineering or design changes requested by AHJ.

• Contractor encouraged to provide best practices and support energy team in satisfying requests from AHJ.

• INTERCONNECTION PER DTE Electric document (Attachment F - DTE Interconnection Requirements). We are currently planning to interconnect using a traditional Net-Energy Metering (NEM) protection scheme as highlighted in the aforementioned procedures attachment. An alternative is proposed if the application is denied by DTE to interconnect via a non-exporting array which will not fundamentally change the scope of work for this AC Electrical work however, interconnection remains to be determined at this time, we will promptly notify bidders once DTE’s initial review and direction has been identified.

• SCOPE OF WORK FOR UTILTY GRADE METER INSTALL Meter installed based on DTE discretion during interconnection application process. Preferred installation is completed by DTE. Contractor work should include cost of all equipment required and provided by DTE (likely meter, meter equipment, and communication connection) as well as pads, recorders, connection cabinet, instrument transformer housing, conduit for communication links (if required) and conduit for conductors between the instruments.

All equipment must meet DTE specs as required in the SIM manual.

2.3.6. SCOPE OF WORK – ALTERNATE 1

• All Scope of Work as written for the Base Project above with the following alterations:

i. Removal of a 60kW section of solar modules (122 Modules, for new Module

Total of 1,224), associated racking, anchors, and (1) inverter from scope.

ii. Addition of (1) Zero-Export Plant Controller (or Overcurrent Protection) package as shown in single-line-diagram in Attachment J (“Alt 1: Zero Export Single Line Diagram”) below or as required by DTE.

iii. Potential addition of a power quality relay at point of interconnect.

2.3.7. MISCELLANEOUS

• Time is the essence of this Contract.

• Contractor will be responsible for keeping the area in which the Work is being performed in an orderly fashion and at the end of each day will clean up and remove from such area all rubbish, debris, surplus material, dirt, grease marks, etc. Trash, rubbish and debris will be properly disposed of in the appropriate, designated receptacles.

• Contractor will not interfere with Work being performed by any other contractors on the site and will not interfere with the operation of Owner’s business operations.

• If Contractor determines that any item cannot be delivered as required to maintain the project schedule the Contractor shall immediately notify the Owner’s Representatives (Ameresco, etc) by telephone and confirm in writing and shall advise Owner’s Representatives (Ameresco, etc) of the anticipated delivery date and the effect on the project schedule.

• Contractor shall attend periodic meetings at the job site as required by Owner or Owners Representatives.

• All existing Site conditions, equipment locations, and dimensions shall be verified prior to performing any work. If approximate locations are shown on a plan set, actual locations shall be shown in the final as-built documentation.

• Megger testing shall be performed at 1000 Vdc for all AC circuits 480. A minimum of 250 megaohms resistance to ground is required.

• The Contractor shall supply a detailed commissioning plan outlining tests performed, measurements taken, and what equipment was used during commissioning.

• After all requirements of the drawings have been fully completed, representatives of Owner will inspect the work. The Contractor shall provide competent personnel to demonstrate the operation of any item or System to the full satisfaction of each representative.

• The Contractor must ensure data feeds are accurate and transmitting properly to the third-party DAS aggregation system.

• The Contractor must provide a full equipment list including serial numbers, quantities, and make/model for all Contractor supplied material.

• The Contractor must document System start-up procedures.

• The Contractor must provide as-built photographs and as-built documents for inverter installations, DAS connections, roof penetrations, etc.

2.3.8. Additional Testing/Inspection Requirements:

• Receive all packing slips and bills of lading from all deliveries of Owner-procured items.

Send electronic copies of all such documents to Owner within two (2) business days of receiving the deliveries.

• For behind the meter systems, the Contractor shall tie-into existing building switchgear as early in the construction process as possible. The main disconnects must be locked in the open (OFF) position until Owner provides permission to close the circuits.

• Marking Test in black – For all bolts that have a specified torque value per the manufacturer’s installation manuals, once the bolt is tightened, mark clearly the surface of the fastener, nut or bolt and continuing the mark onto the surface being clamped for reference.

• After bolts are tightened, perform torque audits from a random sample to verify that the proper amount of torque was applied and mark in red on top of the existing black mark.

The random sampling associated with the torque audit shall include no less than five percent of those bolts tightened and marked unless a lower value is agreed upon by the Owner. The method of auditing shall consist of measuring the torque of the random sampling via torque wrench. Contractor shall use the torque audit method and the Torque Audit Inspection Form. Prior to Final Completion, Contractor shall provide Owner a completed torque audit inspection form and all copies of the applicable torque wrench calibration certificates.

• Install and configure all monitoring hardware, per the plans.

• Install all other equipment, not specifically addressed, per the plans.

• As applicable, Contractor shall install all ballast blocks as shown on plans.

• As applicable, Contractor shall coordinate all roof penetration flashing work, damage repairs, etc. with roofer/installer of existing roof system and roofer is required to be certified by the manufacturer of the existing roof system. As soon as reasonably possible, roofer contact information will be provided after Contractor has been awarded and contract has been executed. Contractor shall have right to petition Owner’s Representatives to collect multiple bids for roofing work if system quality or schedule is deemed to be compromised and the Owner or Owner’s Representatives shall approve or deny request at its sole discretion.

• Contractor will use due care not to penetrate the roof membrane. If, however, Contractor penetrates the roof of any Premises or Improvement on which the System is installed, during System installation or any System repair, Contractor will promptly repair the affected roof utilizing a roof installer certified by the roofing system manufacturer in order to maintain the existing roof warranty in full. If the roof is not under a manufacturer’s warranty, then Contractor will indemnify and hold Owner harmless from and against any roof damage it causes as a direct result of Contractor’s roof penetrations to install the System.

• During construction; Contractor to provide and install necessary protection (such as plywood, insulation panels, and/or Masonite) over the roofing membrane/ system and create pathways for construction traffic.

• If Contractor damages any other part of the Premises or any Improvement (including roof damages not covered above), Contractor will, after written approval by the Owner or Owner’s Representatives, repair or reimburse Owner for such damage, as agreed by the Parties. If Contractor cannot repair the damages within 24 hours in the event of an emergency, Owner has the right to retain its own vendors, and Contractor will be responsible for the full reimbursement of reasonable, out-of-pocket costs incurred by Owner to remedy such damage.

• Provide and install AC disconnect switches per NEC and interconnect agreement requirements beyond those listed in Plans.

• All strut and hardware shall be galvanized steel. Where hardware contacts aluminum components, hardware shall be stainless steel A316. Where galvanized materials are cut thereby exposing non-galvanized materials, an approved galvanizing spray component shall be applied to prevent oxidation at that area.

• Provide and install breakers, disconnects and fuses as per plans.

• Procure and install PV panel jumper wires as listed and specified on plans if required.

• Provide and install AC power for monitoring system, if not currently available at the Site.

• All conduit, not already sized by Contractor, as shown on plans, shall be sized appropriately based on fill de-rates for number and type of conductors. Refill trenches with screened native soil or per the permitted drawings approved by Owner.

• All conduit shall enter combiner boxes and/or junction boxes from the bottom or side and shall not enter from the top without proper raintight connectors.

• All conduit shall be installed per Electrical Code requirements, including but not limited to locations and quantity of supports and expansion joints.

• Ground Conductor “GEC” for DC runs should be jacketed.

• Wire management is an important and visible part of the PV array. All wiring should be run along the solar panel frames and concealed and bundled neatly whenever possible.

Refer to Drawings and Specifications for further wire management details. Wire management should utilize:

• Splicing is not allowed unless approved by engineer of record

• Spiral Wrap on all exposed DC conductor drip loops only coming from rack to the inverter, use Weather Resistant Polyethylene.

• Heyco SunBundlers. Specifications shall be submitted to School District at least ten (10) business days prior to installation. Excess length shall be clipped and discarded appropriately, and any metal clips/crimps shall be hidden from view. Any clips or clamps used must be submitted to School District for approval.

• Contractor shall provide School District all wire management methods and designs for School District approval prior to Contractor’s installation.

• Approved crimping tools shall be used in achieving crimps on ground wires.

• No wire or other material installed by Contractor shall shade modules at any time.

• Appropriate safety considerations and NEC requirements shall be followed for all interconnection procedures. Contractor will schedule all shut-downs with utility and Owner per feedback and request from Contractor.

• Furnish and install all electrical and building components necessary for the completion of the project, as per plans.

• For DAS installation:

i. Enclosure Mounting (DAS and Owner’s Meter)

ii. Current Transformers @ 1% accuracy or better

iii. DAS Power must be provided

iv. Terminating all Sensors

v. All communication connections between devices including inverters (except environmental sensors to DAS enclosure)

vi. Basic DAS Commissioning: Contractor shall use its best efforts to provide sensor validation (including environmental sensors) and Comm testing within three (3) weeks of energization and ensure that the Project status is “green” on the 3rd party DAS aggregation software

vii. Basic Owner’s Meter Commissioning: Ratio Setting and Confirmation

viii. Basic Inverter Commissioning: Device ID’s and Start Up

• Contractor shall provide the appropriate testing to ensure a completely operational System interconnected with the utility. Such testing shall include, but not be limited to, string testing of the array, combiners, re-combiners (if applicable), complete inverter start-up testing, monitoring system communication testing, and performance testing of the System.

• All inspections to be completed in accordance with project schedule, except that a delay in an inspection or a scheduled shut down (or other work scheduled by the Contractor required for interconnection) due to the Owner, or a request from the Owner, that has an impact on the project schedule shall extend all guaranteed dates listed by a commercially reasonable amount based on the impact to the overall project schedule.

• All labeling to be completed prior to AHJ inspection or Contractor commissioning.

• Test and commission the System at Substantial Completion using Owner’s template for System commissioning.

• Megger Testing:

i. Megger test the following feeders for insulation resistance, document results via photographs and on the System Verification form and submit to Owner.

ii. All Megger tests shall be conducted at the levels required by all local building and electrical building codes required for all components.

iii. Megger wires from inverters to disconnect.

iv. Megger wires from main AC disconnect to main breaker.

v. Polarity and Connectivity: Check the polarity and connectivity of each string and home-run wiring, document on the System Verification form, and submit to Owner.

vi. Inverter(s): Perform start-up procedures, including simulating AC power loss to the inverters, as contained in manufacturer’s installation service manual.

Perform inverter commissioning and document results on Contractor Inverter Commissioning Form.

vii. DAS: Perform procedures contained in manufacturer’s installation service manual. Provide the Modbus number(s) for each device and document on System Verification Form connection on a drawing. Configure the meter(s) per manufacturer’s guidelines. Verify that the current transformers (CTs) are oriented and installed per manufacturer guidelines. Configure weather station per manufacturer guidelines. Configure the DAS system online by contacting the DAS representative. Confirm that all equipment is reporting and recording accurate data. Submit signed and dated report identifying procedures taken, any trouble-shooting required and when System was live and accurately reporting all data.

viii. Combiner Boxes/Re-combiner Boxes (as applicable): Perform procedures contained in manufacturer’s installation service manual. Complete System Verification form and submit to Owner. Perform combiner box inspection on each and document results on Contractors Combiner Box Commissioning Form and submit to Owner.

ix. Complete IV Curve testing and submit to Owner.

x. Complete installation, electrical build-out, testing & commissioning and final punch list items and submit to Owner.

xi. Auxiliaries: None

xii. Unavailability: 0%

• Contractor will include within the construction drawings, tables of AC and DC wire sizes, fuse sizes as well as associated calculations.

• If such procedures for testing, inspection or approval reveal failure of the portions of the Work to comply with requirements established by the Contract Documents, all costs made necessary by such failure including those of repeated procedures and compensation for Contractor’s Construction Manager’s services and expenses shall be at Contractor’s expense.

• Required certificates of testing, inspection or approval shall, unless otherwise required by the Contract Documents, be secured by Contractor and promptly delivered to Owner’s Construction Manager. Contractor shall obtain and deliver promptly to Owner’s Construction Manager the final certificates of acceptance or approval as issued by the approving authority(ies) for the project and all certificates of final inspection for any part of the Work and all operating permits for any mechanical apparatus, as applicable, which may be required by law to permit full use and occupancy of the premises or use of the finished project, as applicable under this Agreement, by Contractor. Receipt of such permits, approvals or certificates by Owner or Owner’s Construction Manager shall be a condition precedent to final completion and acceptance of the Work.

• INSTALLATION – All contact required with the manufacturer and Owner’s selected installation Contractors to assure a complete and proper installation is the responsibility of this Contractor. This Contractor is expected to research any installation and rigging information on-line or call the vendor supplying this equipment directly and as required.

All equipment and associated accessories are to be received, unloaded, and securely stored by this Contractor. All equipment and associated accessories are to be rigged into place and permanently installed by the School’s selected installation Contractors as overseen by this Contractor This Contractor is responsible to purchase and install any additional material (conduit, wire, electrical equipment, connectors, etc.) that will be required to complete this installation properly. This Contractor is required to access and complete all manufacturers startup information, coordinate, schedule and participate in equipment startup.

• ROOF WORK, MATERIAL, OR REPAIR – If required, Contractor shall coordinate with and utilize district’s selected roofing contractor at its own expense perform in a skillful and workmanlike manner all cutting, fitting and patching necessary for completion of the Work after School District approval. The time, manner and extent of such cutting, fitting and patching and the obligations of the respective trades in connection therewith shall be determined by Contractor in his sole discretion and such determination shall be final and binding on Contractor. Contractor shall not damage or endanger a portion of the Work or fully or partially completed construction of Contractor or separate sub-Contractors by cutting, patching or otherwise altering such construction, or by excavation. Contractor shall not cut or otherwise alter such construction by Contractor or a separate sub-Contractor except with written consent of Contractor and of such separate sub-Contractor; such consent shall not be unreasonably withheld or delayed. Contractor shall not unreasonably withhold from Contractor or a separate sub- Contractor Contractor’s consent to cutting or otherwise altering the Work. Existing work that is cut, damaged, disturbed or otherwise interfered with by Contractor, a sub-

Contractor, or anyone for whom they are responsible shall be fully, properly and carefully repaired by either the Contractor or the responsible sub- Contractor. All such repairs shall be completed in a first-class manner to the satisfaction of Contractor’s Construction Manager, and shall match similar existing adjoining work.

• TOOLS AND EQUIPMENT – Contractor shall provide and pay for all facilities and conveniences that it may require for the performance of the Work including, but not limited to, hoists, scaffolding, ladders, light, power and heat. If Contractor shall furnish any such services or facilities, Contractor shall pay his pro-rata share of the cost thereof.

• CLEANUP – In addition to its own cleaning obligations, Contractor shall follow Contractor's cleanup directions, and at all times keep the building and premises free from debris and unsafe conditions resulting from the Work; and (B) broom clean each work area prior to discontinuing work in the same. If Contractor fails to immediately commence cleanup duties within twenty-four (24) hours after receipt from Contractor of written notice of noncompliance, the Contractor may implement such safety or cleanup measures without further notice and deduct the cost thereof from any amounts due or to become due Contractor.

• PREVENT DAMAGE – Contractor shall take necessary precautions to properly protect the Work and the work of others from damage caused by Contractor's operations. Should Contractor cause damage to the Work or property of Contractor or others, Contractor shall promptly remedy such damage to the satisfaction of Contractor, or Contractor may so remedy and deduct the costs thereof from any amounts due or to become due Contractor. Contractor places special emphasis on the protection of persons and existing structures, and there shall be no compromise as to the degree of protection required.

i. Contractor shall promptly remedy damage and loss (other than damage or loss insured under property insurance required by the Contract Documents) to property caused in whole or in part by Contractor a sub-Contractor, or anyone directly or indirectly employed by any or them, or by anyone for whose acts they may be liable and for which Contractor is responsible, except for damage or loss attributable to acts or omissions of Contractor or Architect or anyone directly or indirectly employed by either of them, or by anyone for whose acts either of them may be liable, and not attributable to the fault or negligence of Contractor.

• DESIGNATED WORK AREA – Contractor shall establish principal axis lines of the Work and site whereupon Contractor shall lay out and be strictly responsible for the accuracy of the Work and for any loss or damage to Contractor or others by reason of Contractor's failure to set out or perform the Work correctly. Contractor shall exercise prudence so that actual final conditions and details shall result in perfect alignment of finish surfaces and interconnection with the work of others.

• WORKMANSHIP – Every part of the Work shall be executed in strict accordance with the Contract Documents in the most sound, workmanlike, and substantial manner. All workmanship shall be of the best of its several kinds, and all Materials used in the Work shall be furnished in ample quantities to facilitate the proper and timely execution of the work, and shall be new except such Materials as may be expressly provided in the Contract Documents to be otherwise. Contractor warrants the Work against all deficiencies and defects in Materials and/or workmanship and as may be more strictly called for in these Contract Documents.

• WARRANTY – Contractor agrees to satisfy such warranty obligations which appear within the guarantee or warranty period established in the Contract Documents and all applicable laws without cost to Contractor. If no guarantee or warranty is expressly required by the Contract Documents, then Contractor shall guarantee or warranty the Work as described above for the minimum period of one (1) year from the date(s) of Substantial Completion as defined in Appendix G of all or a designated portion of the Work or acceptance or use by Contractor of designated equipment, whichever is sooner.

In addition, any manufacturer's warranties which exceed this one (1) year period shall be assigned to Contractor if allowed by the manufacturer. Contractor further agrees to execute any special guarantees or warranties that shall be required for the Work prior to final payment.

• SAFETY – Contractor shall take all reasonable precautions for safety of, and shall provide reasonable protection to prevent damage, injury or loss to:

i. employees on the Work and other persons who may be affected thereby;

ii. the Work and Materials and equipment to be incorporated therein, whether in storage on or off the site under care, custody or control of Contractor or Contractor’s sub-Contractors; and

iii. other property at the site or adjacent thereto, such as trees, shrubs, lawns, walks pavements, roadways structures and utilities not designated for removal, relocation or replacement in the course of construction.

iv. Contractor shall comply with applicable provisions of the Federal Occupational Safety and Health Act (“OSHA”), In addition to all other laws, ordinances, rules regulations, and orders of any Federal, state, or local public authority having jurisdiction for the safety of persons or property, including but not limited to the local fire department and board of health. Contractor shall promptly notify Contractor upon becoming aware of an inspection under, or any allege violation of OSHA or any other provision of federal, state or local law, relating in any way to undertaking of this Agreement.

v. Contractor shall (a) verify compliance with all laws, ordinances, rules, regulations and lawful of orders of public authorities and (b) submit a project-specific Health and Safety Plan to Contractor’s Project Manager at least (5) days prior to startup of work, which addresses to Contractor’s satisfaction the procedures to be implemented by Contractor to comply with all laws, ordinances, rules, regulations and lawful orders of public authorities. The review and approval by Contractor of Contractor’s Health and Safety Plan is solely for Contractor’s benefit, and without any representation or warranty whatsoever to Contractor or any third party with respect to the adequacy, correctness or legal compliance thereof or otherwise; nor shall Contractor incur any liability, obligation or responsibility to Contractor or any third party by reason of such review and approval. As part of Contractor’s Health and Safety Plan, Contractor is responsible for implementing a worker protection program that is in compliance with all applicable regulations. Contractor is also responsible for identifying and providing the appropriate personal protective equipment (e.g., eye protection, gloves, hard hat, safety boots, respirator) to all workers based on the type of work they will be performing.

Contractor shall identify and provide all required environmental, health and safety training and related job-site supervision to all workers. This training may include, but is not limited to, chemical, safety hazard, communication, spill prevention, occupational exposure to blood borne pathogens, lockout/tag out, confined space entry, emergency evacuation, fall protection, ladder safety, hazardous waste management and personal protective equipment training. Contractor shall maintain on-site for Contractor review, documentation that supports adherence to the requirements.

vi. Contractor shall erect and maintain, (i.e. flagging, temporary barricades, etc.)

as required by existing conditions and performance of this Agreement, reasonable safeguards for safety and protection, including posting danger signs and other warnings against hazards, promulgating safety regulations, and notifying sub-Contractors and users of adjacent sites and utilities.

vii. Contractor shall designate a responsible member of Contractor’s organization at the site of the Work whose duty shall be the prevention of accidents. This person shall be Contractor’s superintendent unless otherwise designated by

viii. Contractor in writing to School District and District’s Construction Manager and shall be specifically referenced by name and title as part of Contractor’s Health and Safety Plan.

ix. Contractor shall not load or permit any part of the construction or site to be loaded so as to endanger its safety.

x. Contractor shall at all times protect excavations, trenches, buildings and Materials, from rain water, ground water, backup or leakage of sewers, drains and other piping, and from water of any other origin. Contractor shall remove promptly and dispose of properly, any accumulation of water. Contractor shall provide and operate all pumps, piping and other equipment necessary to this end.

xi. Contractor shall remove snow and ice which might result in damage or delay.

Contractor’s snow melting/de-icing procedures shall utilize alternative de-icing compounds such as CaCl2 and calcium magnesium acetate (CMA) in order to minimize pollutant-loading impacts.

xii. Contractor shall notify the School Distict’s Project Manager of the occurrence of any accident or injury or the existence of any unsafe condition on or about the jobsite, within 15 minutes upon discovery of such accident, injury or condition. When so ordered, Contractor shall stop any part of the work which School District or its Representatives deems unsafe until corrective measures satisfactory to School District have been taken. The Contractor shall complete and submit to the Owner’s Project Manager a completed written Accident/Injury Investigation Report (District’s Form) within 24-hours of the occurrence. The Contractor shall conduct employee post-accident/Injury drug testing as soon as practicable following and incident in accordance with established policies and guidelines.

• NOTICES – Contractor shall give notice and comply with applicable laws, ordinances, rules, regulations, and lawful orders of public authorities bearing on safety of persons or property or their protection from damage, injury or loss.

• HAZARDOUS MATERIALS – When use or storage of explosives or other hazardous materials or equipment or unusual methods are necessary for execution of the Work, Contractor shall exercise utmost care and carry on such activities under the supervision of properly qualified personnel and in accordance with all Federal, State and local regulations. Storage locations of explosives and hazardous materials shall be coordinated through and approved by the School District’s Project Manager.

i. Contractor shall comply with regulations, conditions, or instructions affecting the performance of the Work issued by the Federal Environmental Protection Agency, the Michigan Department of Health and Environmental Control and other federal, state or local public authority having jurisdiction to abate or prevent pollution, including water pollution, air pollution, land pollution and/or other health or safety hazards.

ii. Contractor is required to develop, implement and maintain a hazard communication program in accordance with OSHA regulations in order to protect workers who may use or be exposed to hazardous substances during the course of construction activity, Contractor shall submit a Hazard Communication program and an inventory of all on–site hazardous chemicals with accompanying material safety data sheets (MSDS’s) to School District’s Project Manager as part of its overall Health and Safety Plan prior to the start of the Work. The Contractor shall submit an updated inventory list to the School District’s Project Manager, when hazardous chemicals have been added or deleted.

• FIRE PROTECTION RESPONSIBILITIES – Contractor shall provide and maintain in good operating condition suitable and adequate fire protection equipment and services, and shall comply with all reasonable recommendations regarding fire protection made by the representatives of the fire insurance company carrying insurance on the Work by the local fire chief or fire marshal. The area within the site limits, including all storage areas, shall be kept orderly and clean, and all combustible rubbish shall be promptly removed from the site.

• WASTE – Contractor shall keep the premises and surrounding area free from accumulation of waste materials or rubbish caused by operations under this Agreement.

At completion of the Work, the Contractor shall remove from and about the project waste materials, rubbish, Contractor’s tools, construction equipment, machinery and…