2023-2304 Elec Spec 5.7.24.pdf

DELTA COLLEGE MAIN CAMPUS

LIGHTING REPLACEMENT

INDEX

DIVISION 26 - ELECTRICAL

26 00 00 Basic Electrical Requirements 26 05 00 Common Work Results for Electrical 26 05 05 Selective Demolition for Electrical 26 05 19 Low-Voltage Electrical Power Conductors and Cables 26 05 26 Grounding and Bonding for Electrical Systems 26 05 29 Hangers and Supports for Electrical Systems 26 05 33.13 Conduit for Electrical Systems 26 05 33.16 Boxes for Electrical Systems 26 05 53 Identification for Electrical Systems 26 05 83 Wiring Connections 26 09 23 Lighting Control Devices 26 24 16 Panelboards 26 27 26 Wiring Devices 26 51 00 Interior Lighting

MAI: 2023-2304

BASIC ELECTRICAL REQUIREMENTS 26 00 00-1

SECTION 26 00 00

BASIC ELECTRICAL REQUIREMENTS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Basic electrical Requirements specifically applicable to Division 26, 27 & 28 Sections, in addition to Division 1 - General Requirements.

B. Information in this section is intended to clarify or make additions to the requirements set forth in the General Conditions, Supplementary Conditions and Division 1 of these specifications. Any conflict between Division 26, 27 & 28 and those in the General Conditions or within the Division 26 drawings, Supplementary Conditions and Division 1 shall be brought to the attention of the Engineer in writing as a request for addendum prior to the bid opening.

C. Furnish all equipment, materials, articles, items, operations or methods listed, mentioned or scheduled on drawings, these specifications, manufacturer�s installation instructions and include all labor materials, equipment and incidentals necessary for complete installation and operation.

D. All information contained in this section applies to all sections within Division 26 as it was part of each section.

E. Final walk-thru. Electrical Contractor shall submit in writing to the Construction Manager advising that all of the Division 26, 27 & 28 work has been completed in accordance with the plans and specifications. The intent is to acknowledge the Contractor is ready for a walk-thru. Open items that are part of the required construction work should be completed prior to the final walk-thru to avoid developing a so called construction completion list. The engineer reserves the right to reschedule the final walk-thru as determined accordingly.

F. Pre-bid questions. All pre-bid questions, clarifications, etc. must be submitted in writing to the Construction Manager. All phone calls, faxes or e-mails from bidders and manufacturers, etc. directly received by the Engineers office during the bidding phase will be deferred back to the Construction Manager.

G. Electrical Contractor shall review all of the project plans and specifications and not rely solely on the electrical drawings to establish a project bid. Refer to the structural and mechanical drawings for final mechanical equipment locations.

Mechanical drawings shall govern over the electrical drawing locations.

H. Unit Pricing: Contractor shall furnish pricing as listed in the Bid Proposal Forms.

I. The Contractor shall include in their bid any cost for requesting AutoCAD backgrounds for their use from the Engineer. The cost will be $150.00 for the first plan, and $50.00 for each additional plan that may be requested for AutoCAD use.

A waiver of responsibility for the Engineer related to Contractor use of the CAD files shall be signed by the Contractor.

BASIC ELECTRICAL REQUIREMENTS 26 00 00-2

1.2 LAYOUT OF THE WORK

A. Examine the site and all the drawings before proceeding with the layout and installation of this work. Verify all door swings and clearances to cabinets, etc., before locating switch and outlet boxes. Locate conduit, boxes, etc., essentially as shown on the drawings but in exact layout determined on the job to suit actual conditions. Confer and cooperate with the other trades on the job so all parts will be installed in proper relationship. Precise locations of parts to coordinate with other work is the responsibility of the Contractor.

B. The Electrical Trades shall complete all cutting and patching for the electrical work, unless noted or specified otherwise. Division 26, 27 & 28 Contractor shall be responsible to coordinate with the site Restoration Contractor for the new underground electrical work.

C. Arrange exposed work as closely as practicable to wall or ceiling surfaces in an accurate alignment. Locate concealed work so fittings, connectors and other projections will clear surfaces. Exposed work is defined as non-finished spaces, such as mechanical / electrical rooms. All finished spaces, installation shall be concealed.

D. During the bidding phase, if any design or discrepancy issues are discovered between the electrical drawings, specifications and other project plans, the contractor shall notify the Engineer. The intent is to resolve any issues during the bidding phase. For pertinent issues, addendums will be issued accordingly. After entering into a contract, it shall be considered there are no identified conflicts.

E. No drilling of existing laminated beams for new work is permitted without review with the project Structural Engineer

1.3 INTERFERENCES

A. The Electrical Contractor bid shall not be based solely on the Electrical Plans and Specifications. Contractor shall obtain and review all project documents. The Contractor, when directed, shall make such changes or off-sets as required so that the work shall be properly located and coordinated with the other trades. Failure to comply with the foregoing will not relieve contractor�s responsibilities of making such changes. Such changes shall be completed at no additional cost to the Owner.

B. All changes in location of equipment, fixtures, distribution equipment, receptacles, etc., from those shown on plans, shall be made without charge when directed by the Engineer before installation. At this time, an agreement shall be made if such a change is an additional cost to the owner.

C. The Electrical Contractor shall confer with other trades regarding location and size of pipes, equipment, fixtures, conduit, duct openings, switches, outlets, etc., in order that there may be no interference in the installation of the work of any trades or delay in the progress of any work.

BASIC ELECTRICAL REQUIREMENTS 26 00 00-3

D. Any changes made, necessary through failure to make proper arrangement to avoid interference, shall not be considered as extra.

E. The Electrical Contractor shall cooperate with those performing work under other divisions in his preparation of interference drawings, to the extent that the location of plumbing piping, heating piping, and/or ventilation ducts, with respect to the installation of other trades, shall be mutually agreed on by those performing work under other divisions.

F. In the event the described work on the drawings doesn�t match requirements described in the specification, the more stringent shall be provided.

G. Contractor shall carefully review the code sections pertaining to safe working clearances to avoid piping, ducts interferences and other equipment. Install the electrical equipment to meet Code requirements. Adjust the locations shown as required.

1.4 MATERIALS AND WORKMANSHIP

A. All materials and equipment furnished for installation on this project shall be new and in strict accordance with this specification. All packaged materials shall be delivered in the original containers which show the manufacturer�s name and the identifying designations as to size, quality, etc. Materials delivered to the job in unmarked or mutilated packages will be immediately inspected by the Contractor.

Materials or equipment judged as �damaged� by the Contractor�s own inspection shall be immediately addressed with the supplier. All electrical equipment shall bear the Underwriter�s Label.

B. All work shall be performed in a professional manner under the supervision of the electrical project manager. The project manager shall be considered the main point of contact for the Owner�s daily communication.

C. Should any dispute arise as to the quality or fitness of the materials or workmanship, Owner, Engineer and Electrical Contractor shall mutually agree work is non-acceptable and shall be reworked at no additional cost to the Owner.

D. Division 26, 27 & 28 equipment schedule descriptions shall govern if it is found that the manufacturer�s catalog numbering shown on the drawing is not current, or changed by the manufacturer without notification. Division 26, 27 & 28 Contractor shall notify the Engineer with any conflicts during the bidding phase to get clarifications. After entering into a Contract, it shall be considered the equipment schedules provide the information to meet the intended specifications for quality and performance.

1.5 GUARANTEES

A. All equipment and work performed under Division 26, 27 & 28 shall be guaranteed for one (1) year from time of substantial completion of project, unless directed otherwise in Division 1.

1.6 VOLUNTARY ALTERNATES

BASIC ELECTRICAL REQUIREMENTS 26 00 00-4

A. The Engineer will only accept voluntary alternate as a bid deduct. Alternate must maintain the same level of quality to meet the design intent. Voluntary alternates must be submitted with the bid for review by the Owner. Failure to comply will be no reason to accept any voluntary alternates after entering into a contract.

1.7 OWNERS ACCEPTANCE OF EQUIPMENT

A. Refer to Division 1.

B. Upon the Owner�s written acceptance, the Electrical Contractor�s guarantee period shall begin and the Owner shall accept the responsibility for operation and maintenance and the Contractor�s liability shall be limited to the conditions covered in the guarantee as described in these specifications.

1.8 REFERENCES

A. Conform to requirements of 2015 Michigan Building Code, 2017 Electrical Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

1.9 SUBMITTALS

A. Submit electronic shop drawing files.

B. Proposed Products List: Include Products specified in the following Sections:

1. Section 26 05 19 - Low Voltage Electrical Power Conductors and Cables

2. Section 26 09 23 - Lighting Control Devices

3. Section 26 24 16 - Panelboards

4. Section 26 51 00 - Interior Lighting

C. Submit shop drawings and product data grouped to include complete submittals of related systems, products, and accessories in single submittals.

D. Mark dimensions and values in units to match those specified.

E. Shop drawings shall be reviewed and checked by the Electrical Contractor for specification compliance prior to release for the Engineer�s review. Failure to comply will be no cause or reason for additional costs to the Owner with project delays.

F. Electrical distribution submittal shall include cut sheets for each piece of equipment. Written description is not acceptable.

G. Bill of materials shall be submitted as part of O&M Manual. Bill of Materials is not considered a shop drawing.

1.10 REGULATORY REQUIREMENTS

A. Conform to applicable Building Code.

BASIC ELECTRICAL REQUIREMENTS 26 00 00-5

B. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

C. Equipment: U.L. tested and approved for its purpose.

D. The Electrical Contractor shall obtain and pay for all permits and inspection fees.

Provide the Owner with final inspection documents from authorities having jurisdiction.

E. State of Michigan, Bureau of Fire Services for Emergency Lighting and Fire Alarm Plan Review.

F. Equipment: Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

G. Life Safety NFPA 101 � The State of Michigan current adopted edition.

H. Fire Alarm Code NFPA 72 � The State of Michigan current adopted edition.

I. 2015 Michigan Energy Code.

J. ASHRAE 90.1 2013 Edition.

K. 2019 School Rules.

1.11 PROJECT/SITE CONDITIONS

A. Install Work in locations shown on drawings, unless prevented by project conditions.

B. All bidders shall personally inspect the site and acquaint themselves with all existing conditions involved in execution of this contract, and make all necessary measurements. No �extra� will be considered for additional work required because of bidder�s failure to do so.

C. Arc flash warning labels. Provide arc flash generic warning labels in accordance with 2017 NEC Section 110 requirements.

D. Provide PPE arc flash warning labels as specified with arc flash/short circuit coordination study

1.12 TEMPORARY SERVICES

A. Division 26 Trades shall provide and maintain wiring for all interior construction lighting and power to meet OSHA Standards. Division 26 Trade shall provide and maintain all required lamps and guards. Contractor�s power tools, cords, etc shall be in strict accordance with National Electrical Code 2017, Article 590.

BASIC ELECTRICAL REQUIREMENTS 26 00 00-6

B. Electrical Contractor shall pay for all temporary internet and power for their office and or construction trailer.

C. Electrical Contractor shall be responsible to review Division 1 requirements to provide project temporary lighting and power requirements for the construction and demolition phases.

1.13 RECORD DRAWINGS

A. The Electrical Contractor shall furnish as-constructed drawings, including all Addendums, Bulletins and associated Field Directed Changes included as part of the record drawings.

1.14 OPERATION AND MAINTENANCE MANUALS

A. Verbal instruction and written operational instructions are to be given on all equipment and systems under this contract. A time is to be scheduled with the Engineer and Owner for these instructions and a time submitted in writing for instructions at the facility.

B. Two (2) bound sets of Operating and Maintenance Manuals are to be submitted to the Engineer for approval. Manuals are to include complete parts list and maintenance procedures as well as operating instructions on all equipment supplied under Division 26, 27 & 28.

END OF SECTION

COMMON WORK RESULTS FOR ELECTRICAL 26 05 00-1

SECTION 26 05 00

COMMON WORK RESULTS FOR ELECTRICAL

PART 1 GENERAL

1.1 SUMMARY

A. Section includes basic electrical requirements, which are applicable to all Division 26 sections.

1.2 REGULATORY REQUIREMENTS

A. Conform to requirements of the applicable:

1. Michigan Building Code

2. National Fire Protection Association 70, 2017 National Electrical Code

3. 2017 State of Michigan Electrical Code

4. 2009 ICC/ANSI 117.1

5. Local Code

6. National Fire Protection Association 101, Life Safety Code

7. National Fire Protection Association 72, Fire Alarm Code

8. Other applicable National Fire Protection Associates codes

9. State of Michigan Uniform Energy Code.

1.3 WORKMANSHIP

A. Should any dispute arise as to the quality or fitness of the materials or workmanship, Engineer, Owner and Electrical Contractor shall mutually agree Work is non-acceptable and collaborate on an agreeable solution.

B. All Division 26 Work shall be done under the direction of a currently licensed State of Michigan Master Electrician. All Work shall be provided in a professional manner.

PART 2 PRODUCTS

2.1 GENERAL PRODUCTS

A. All Products, shall be listed by and shall bear the label of an approved Nationally Recognized Testing Laboratory (NRTL) as identified by the United States Occupations Safety and Health Administration (OSHA), per the OSHA Nationally recognized Testing Laboratory Program. If none of the approved electrical testing laboratories has published standards for a particular item, then other national independent testing standards, if available, applicable, and approved by the owner, shall apply and such items hall bear those labels here one of the approved electrical testing laboratories has an applicable system listing and label, the entire system, shall be so labeled.

B. Where Products are used which defer in arrangement, configuration, dimensions, ratings, or engineering parameters from these indicated on the contract documents, the contractor is responsible for all costs involved in integrating the

COMMON WORK RESULTS FOR ELECTRICAL 26 05 00-2

equipment or accessories into the system and the assigned space, and for obtaining the performance from the system into which these items are placed.

C. Manufacturer references used herein are intended to establish a level of quality and performance requirements unless more explicit restrictions are stated to apply.

D. All Products provided for installation on this project shall be new and in strict accordance with this specification. All packaged material shall be delivered in the original containers which show the manufacture�s name and the identifying designations as to size, quality, etc. Material delivered to the Project in unmarked or mutilated packages will be ordered to be removed from the site at once. Materials or equipment judged as �damaged� by the Owner or Engineer shall be removed from the Project. All electrical equipment shall bear the Underwriters Label.

E. All materials, shall be listed by and shall bear the label of an approved Nationally Recognized Testing Laboratory (NRTL) as identified by the United States Occupations Safety and Health Administration (OSHA), per the OSHA Nationally recognized Testing Laboratory Program. If none of the approved electrical testing laboratories has published standards for a particular item, then other national independent testing standards, if available, applicable, and approved by the owner, shall apply and such items hall bear those labels here one of the approved electrical testing laboratories has an applicable system listing and label, the entire system, shall be so labeled.

F. Divisions 26 Product schedule descriptions shall govern if it is found that the manufacture�s catalog numbers as shown on the Drawings are not current or changed by the manufacturer without notification. Divisions 26 contractor shall notify the Engineer with any conflicts during the bidding phase to get clarifications. After entering into a Contract, it shall be considered the equipment schedules provide the information to meet the intended specification for quality and performance.

PART 3 EXECUTION

3.1 EXAMINATION

A. Examine the site and all the Drawings before proceeding with the layout and installation of this Work. Verify all door swings and clearances to cabinets, etc., before locating devices, boxes support Etc. Locate conduit, boxes, etc., essentially as shown on the drawings but in exact layout determined on the job to suit actual conditions. Confer and cooperate with the Owner and other trades performing Work on site so all parts will be installed in proper relationship.

Precise locations of parts to coordinate with other Work is the responsibility of the Contractor.

3.2 TEMPORARY SERVICES

A. Division 26 trades shall provide and maintain wiring for all interior construction lighting and power to meet OSHA standards. Division 26 Trade shall provide and

COMMON WORK RESULTS FOR ELECTRICAL 26 05 00-3

maintain all required lamps and guards. Contractor�s power tools, cords, etc.

shall be in strict accordance with e National Electric Code 2017 Article 590.

3.3 POWER OUTAGES

A. No power outages shall be permitted on existing systems except at the time and interval specified by the Owner/Engineer. The owner may require written approval, any outage must be scheduled when the interruption causes the least interference with normal schedules and business routines. NO extra costs will be paid to the contractor for such outages which must occur outside of regular weekly working hours.

B. The contractor shall provide a detailed outage plan and conduct outage planning meetings with the Owner/Engineer in preparation for the outage.

C. The Contractor shall restore any circuit interrupted as a result of this work to proper operation as soon as possible.

3.3 RECORD DRAWINGS

A. The Electrical Contractor shall furnish as-constructed drawings, including all Addendums, Bulletins and associated Field Directed changes included as part of the record drawings.

SELECTIVE DEMOLITION FOR ELECTRICAL 26 05 05-1

SECTION 26 05 05

SELECTIVE DEMOLITION FOR ELECTRICAL

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Electrical demolition per plans and specifications.

B. Conduit supports.

1.2 RELATED SECTIONS

A. All drawings and specification sections apply to work in this section. Furnish all items, articles, materials, equipment, operations or methods that are mentioned, listed or scheduled on drawings or are in this specification including all labor, equipment, materials and miscellaneous incidentals necessary and/or required for the completion of this project. The work covered under this section of the specifications is in no way complete within itself but is supplementary to the entire specification and drawings.

PART 2 PRODUCTS

2.1 MATERIALS AND EQUIPMENT

A. Materials and equipment for patching and extending work: As specified in individual Sections.

PART 3 EXECUTION

3.1 EXAMINATION

A. Electrical Contractor shall examine the project documents and visit the site as they deem necessary prior to submitting a bid. Do not rely solely on the Electrical Plans for all demolition requirements. Review all Project Documents prior to submitting a bid.

B. The demolition information is provided to assist with labor costs associated with the electrical systems removal. The Electrical Contractor shall be responsible to confirm all quantities and the information provided.

C. Upon removal of the existing ceiling, the Electrical Trades shall immediately notify the construction manager, Engineer in writing regarding existing conduits scheduled to remain that are not properly supported. Conduit evaluation shall be conducted with the Owner, Engineer. Failure for the Electrical Trades to submit a written conduit support condition will obligate the trade to support the conduits to meet current Code methods at no additional cost to the Owner.

3.2 PREPARATION

A. Confirm with the Construction Manager Project Schedules prior to commencing demolition.

SELECTIVE DEMOLITION FOR ELECTRICAL 26 05 05-2

3.3 DEMOLITION

A. As noted or shown on the demolition plans, remove the electrical distribution equipment, lighting, receptacles, switching, Use care during the demolition phase to avoid damage or any glazed block, tile or brick veneered walls. Electrical Contractors are responsible to confirm all quantities and information provided.

B. Electrical Trades shall transport all of the electrical salvaged materials to the Owner and include all transportation costs.

C. Electrical Trades shall remove all of the existing electrical branch panelboards as noted, scheduled and shown on the drawings and specifications. Confirm all outages with the Owner to starting the replacement work.

D. Remove all unused conduits and wiring serving lighting and power being removed from the finished ceiling space. Remove all abandoned low voltage cables from accessible portions in accordance with NEC Sections 760.25(A), 640(A), 645.3(A), 725.3(B), 770.3(A), 800.3(C), 820.3(A) and 830.3(A). Include costs in bid to walk the ceiling spaces with the Construction Manager and the Owner for visual assessment of abandoned cables.

E. The Owner shall be responsible for main incoming internet and voice service to the building.

F. The Owner shall be responsible for main incoming cable TV service to the building.

G. The Owner shall be responsible to remove computers, printers, and monitors.

H. All wall mounted and desk mounted phones shall be removed by the Owner.

I. The Owner shall remove the existing TV monitors, the existing ceiling projectors, and all phones. Electrical Trades shall remove the associated raceway, cables and power circuits.

J. Electrical Contractors are responsible to confirm all demolition quantities. Make pre-bid site visit arrangements as deemed necessary.

K. All security system removal and reinstallation shall be completed by the Owner.

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-1

SECTION 26 05 19

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Building wire and cable.

B. Fire rated cables.

C. MC cable

1.2 RELATED SECTIONS

A. All drawings and specification sections apply to work in this section. Furnish all items, articles, materials, equipment, operations or methods that are mentioned, listed or scheduled on drawings or are in this specification including all labor, equipment, materials and miscellaneous incidentals necessary and/or required for the completion of this project. The work covered under this section of the specifications is in no way complete within itself but is supplementary to the entire specification and drawings.

1.3 REFERENCES

A. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

1.4 PROJECT CONDITIONS

A. Verify that field measurements are as shown on Drawings.

B. Conductor sizes are based on copper.

C. Routing shown on Drawings is approximate unless dimensioned. Field route as required to best suit Project Conditions.

D. Where wire and cable routing is not shown, and only a load destination is shown, determine exact routing and lengths required.

1.5 COORDINATION

A. Coordinate Work under provisions of Division 1.

B. Determine required separation between cable and other work.

C. Determine cable routing to avoid interference with other work.

1.6 REGULATORY REQUIREMENTS

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-2

A. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

B. Furnish products listed and classified by Underwriters Laboratories, Inc. as suitable for purpose specified and indicated.

PART 2 PRODUCTS

2.1 BUILDING WIRE AND CABLE

A. Description: Single conductor insulated wire.

B. Conductor: Copper.

C. Insulation Voltage Rating: 600 volts.

D. Insulation: ANSI/NFPA 70, Type THW, THHN/THWN, XHHW-2.

2.2 MC CABLE

A. Factory assembled multiple insulated conductors enclosed in armor of interlocking metal corrugated sheath.

B. Provide all clips and supports.

2.3 FIRE RATED CABLE

A. RHH fire rated type.

PART 3 EXECUTION

3.1 EXAMINATION

A. Verify that interior of building has been protected from weather.

B. Verify that mechanical work likely to damage wire and cable has been completed.

3.2 INSTALLATION

A. Install products in accordance with manufacturer�s instructions.

B. Use stranded conductors for control circuits.

C. Use conductor size not smaller than 12 AWG for power and lighting circuits.

D. Use 10 AWG conductors for 20 ampere, 120 volt branch circuits longer than 100 feet.

E. Use 10 AWG conductors for 20 ampere, 277 volt branch circuits longer than 200 feet.

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-3

F. Pull all conductors into raceway at same time.

G. Protect exposed cable from damage.

H. Support cables above accessible ceiling, using spring metal clips or plastic cable ties to support cables from structure. Do not rest cable on ceiling panels.

I. Use suitable cable fittings and connectors.

J. Neatly train and lace wiring inside boxes, equipment, and panelboards.

K. Clean conductor surfaces before installing lugs and connectors.

L. Splices are not permitted.

M. All power wiring shall be installed in conduit. Low-voltage wiring shall utilize the channel trays-hooks or free-air method, or other cable management methods that meet industry standards as noted on the drawings. Low voltage cables installed in accessible ceiling space need not to be in conduit. However, the cables must be properly secured to the ceiling structure.

N. Refer to Section 26 09 23 for Occupancy Sensors wiring.

O. If the Electrical Trades Contractor elects, at their option, to combine homerun circuits installed in a single conduit, the derating 2017 NEC 310.15(b) Table must be utilized for allowable conductor ampacity values. If the derating method is utilized, then furnish and install properly derated cables and properly sized conduits to meet Code. Electrical Trades Contractor shall be responsible to obtain inspection from the Electrical Inspector and pay all supplemental inspection and/or requested plan review fees.

P. Shared neutrals for lighting and power circuits are not permitted.

Q. MC cable shall only be acceptable as the final connection to light fixtures installed in accessible ceilings. Maximum cable shall not exceed 6 feet. MC cable shall not be used for homeruns or feeders.

3.3 INTERFACE WITH OTHER PRODUCTS

A. Identify wire and cable under provisions of Section 26 05 53.

B. Identify each conductor with its circuit number or other designation indicated on Drawings.

3.4 FIELD QUALITY CONTROL

A. Perform field inspection and testing to assure proper operation.

B. Inspect wire and cable for physical damage and proper connection.

C. Measure tightness of bolted connections and compare torque measurements with manufacturer's recommended values.

LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 26 05 19-4

D. Verify continuity of each branch circuit conductor.

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 26 05 26-1

SECTION 26 05 26

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Equipment grounding conductors.

B. Bonding.

C. Earth ground resistance.

1.2 RELATED SECTIONS

A. All drawings and specification sections apply to work in this section. Furnish all items, articles, materials, equipment, operations or methods that are mentioned, listed or scheduled on drawings or are in this specification including all labor, equipment, materials and miscellaneous incidentals necessary and/or required for the completion of this project. The work covered under this section of the specifications is in no way complete within itself but is supplementary to the entire specification and drawings.

1.3 REFERENCES

A. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

1.4 PERFORMANCE REQUIREMENTS

A. Resistance: Meet the NEC Code requirements.

1.5 REGULATORY REQUIREMENTS

A. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

B. Furnish products listed and classified by Underwriters Laboratories, Inc. as suitable for purpose specified and indicated.

PART 2 PRODUCTS

2.1 WIRE

A. Material: As scheduled on the drawings.

PART 3 EXECUTION

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 26 05 26-2

3.1 INSTALLATION

A. Install Products in accordance with manufacturer's instructions.

B. Provide bonding to meet Regulatory Requirements.

C. Provide supplemental and service entrance grounding in accordance with 2017 NEC Section 250. Refer to Table 250-66

D. Equipment Grounding Conductor: Provide a separate grounding conductor for lighting and power circuits as noted or specified on the drawings.

3.2 FIELD QUALITY CONTROL

A. Inspect grounding and bonding system conductors and connections for tightness and proper installation.

HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS 26 05 29-1

SECTION 26 05 29

HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Conduit and equipment supports.

B. Anchors and fasteners.

1.2 RELATED SECTIONS

A. All drawings and specification sections apply to work in this section. Furnish all items, articles, materials, equipment, operations or methods that are mentioned, listed or scheduled on drawings or are in this specification including all labor, equipment, materials and miscellaneous incidentals necessary and/or required for the completion of this project. The work covered under this section of the specifications is in no way complete within itself but is supplementary to the entire specification and drawings.

1.3 REFERENCES

A. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

1.4 REGULATORY REQUIREMENTS

A. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

B. Furnish products listed and classified by Underwriters Laboratories, Inc. as suitable for purpose specified and indicated.

PART 2 PRODUCTS

2.1 PRODUCT REQUIREMENTS

A. Materials and Finishes: Provide adequate corrosion resistance.

B. Provide materials, sizes, and types of anchors, fasteners and supports to carry the loads of equipment and conduit. Consider weight of wire in conduit when selecting products.

C. Anchors and Fasteners:

1. Concrete Structural Elements: Use expansion anchors.

2. Steel Structural Elements: Use beam clamps.

HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS 26 05 29-2

3. Concrete Surfaces: Use self-drilling anchors and expansion anchors.

4. Hollow Masonry, Plaster, and Gypsum Board Partitions: Use toggle bolts and hollow wall fasteners.

5. Solid Masonry Walls: Use expansion anchors.

6. Sheet Metal: Use sheet metal screws.

7. Wood Elements: Use wood screws.

PART 3 EXECUTION

3.1 INSTALLATION

A. Attachments of electrical equipment to structural members are the responsibility of the installing trade. Structural members shall not be field cut, welded or otherwise modified without approval of the Engineer. Attachment to steel joist shall be made at panel points whenever possible. Structural members shall not be overloaded as a result of attachments. Attachment/equipment loading for all trades resulting in total load greater than an equivalent uniform 5 psf for any member shall be submitted to the Engineer for review. Electrical Trades are still responsible for design, layout, and fabrication and installation of electrical supports and support attachment methods. Electrical Trades shall submit attachment methods to the Structural Engineer for review.

B. Install products in accordance with manufacturer's instructions.

C. Do not fasten supports to pipes, ducts, mechanical equipment, and conduit.

D. Do not use spring steel clips and clamps.

E. Do not use powder-actuated anchors.

F. Do not drill or cut structural members without permission from the Engineer.

G. Fabricate supports from structural steel or steel channel. Rigidly weld members or use hexagon head bolts to present neat appearance with adequate strength and rigidity. Use spring lock washers under all nuts.

H. Install surface-mounted cabinets and panelboards with minimum of four anchors.

I. Use sheet metal channel to bridge studs above and below cabinets and panelboards recessed in hollow partitions.

J. No drilling of laminated wood beams without structural engineer review.

CONDUIT FOR ELECTRICAL SYSTEMS 26 05 33.13-1

SECTION 26 05 33.13

CONDUIT FOR ELECTRICAL SYSTEMS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Metal conduit.

B. Flexible metal conduit.

C. Liquidtight flexible non-metallic conduit.

D. Electrical metallic tubing.

E. Nonmetal conduit.

F. Electrical nonmetallic tubing.

G. Flexible nonmetallic conduit.

H. Fittings and conduit bodies.

I. Surface raceway assembly.

J. MC Cable.

K. Fire rated wireway.

L. Flexible metal conduit.

M. Fire pump controller conduit.

N. HDPE conduit.

O. Conduit water sealant.

P. Conduit seals (foundation walls).

1.2 REGULATORY REQUIREMENTS

A. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

B. Furnish products listed and classified by Underwriters Laboratories, Inc. as suitable for purpose specified and indicated.

1.3 RELATED SECTIONS

CONDUIT FOR ELECTRICAL SYSTEMS 26 05 33.13-2

A. All drawings and specification sections apply to work in this section. Furnish all items, articles, materials, equipment, operations or methods that are mentioned, listed or scheduled on drawings or are in this specification including all labor, equipment, materials and miscellaneous incidentals necessary and/or required for the completion of this project. The work covered under this section of the specifications is in no way complete within itself but is supplementary to the entire specification and drawings.

1.4 REFERENCES

A. ANSI C80.1 - Rigid Steel Conduit, Zinc Coated.

B. ANSI C80.3 - Electrical Metallic Tubing, Zinc Coated.

C. ANSI C80.3 - Rigid Aluminum Conduit.

D. ANSI/NEMA FB 1 - Fittings, Cast Metal Boxes, and Conduit Bodies for Conduit and Cable Assemblies.

E. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

F. NEMA RN 1 - Polyvinyl Chloride (PVC) Externally Coated Galvanized Rigid Steel Conduit and Intermediate Metal Conduit.

G. NEMA TC 2 - Electrical Plastic Tubing (EPT) and Conduit (EPC-40 and EPC-80).

H. NEMA TC 3 - PVC Fittings for Use with Rigid PVC Conduit and Tubing.

1.5 DESIGN REQUIREMENTS

A. Conduit Size: ANSI/NFPA 70.

1.6 PROJECT RECORD DOCUMENTS

A. Submit under provisions of Division 1.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver, store, protect, and handle Products to site.

B. Accept conduit on site. Inspect for damage.

C. Protect conduit from corrosion and entrance of debris by storing above grade.

Provide appropriate covering.

D. Protect PVC conduit from sunlight.

1.8 PROJECT CONDITIONS

A. Verify routing and termination locations of conduit prior to rough-in.

CONDUIT FOR ELECTRICAL SYSTEMS 26 05 33.13-3

B. Conduit routing shown is diagrammatic, field route conduit to avoid interferences.

1.9 REGULATORY REQUIREMENTS

A. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

B. Furnish products listed and classified by Underwriters Laboratories, Inc. as suitable for purpose specified and indicated.

PART 2 PRODUCTS

2.1 CONDUIT REQUIREMENTS

A. Minimum Size: ¾ inch unless otherwise specified.

B. Underground Installations:

1. Use Schedule 40 PVC conduit for general underground installation.

2. Use Schedule 80 PVC conduit for heavy traffic areas.

3. Use direct burial seamless HDPE as noted and shown on the drawings for underground installation.

C. Outdoor Locations, Above Grade: Use rigid steel conduit.

D. Wet and Damp Locations: Use rigid conduit or liquid-tight non-metallic flexible conduit.

E. Dry Locations:

1. Concealed: Use electrical metallic tubing.

2. Exposed: Use electrical metallic tubing.

3. Use minimum ¾� conduit for TV outlet and fire alarm drops.

4. Use flexible metal conduit for final wiring connections to motors, VFD units, light fixtures in accessible ceiling and interior transformers.

5. Use minimum 1� conduit for voice/data wiring.

6. Use minimum 1 ¼� conduit for ceiling projectors.

2.2 METAL CONDUIT

A. Rigid Steel Conduit: ANSI C80.1.

B. Fittings and Conduit Bodies: ANSI C80.5.

C. Intermediate Metal Conduit (IMC): Rigid Steel.

D. Fittings and Conduit Bodies: ANSI/NEMA FB 1; material to match conduit.

2.3 FLEXIBLE METAL CONDUIT

A. Description: Interlocked steel construction.

CONDUIT FOR ELECTRICAL SYSTEMS 26 05 33.13-4

B. Fittings: ANSI/NEMA FB 1.

2.4 LIQUID-TIGHT NON-METALLIC FLEXIBLE METAL CONDUIT

A. Description: Type NM. Manufacturer with a spiral of rigid PVC embedded reinforcement with a flexible PVC wall.

B. Compatible fittings.

C. Use for wet or exterior location as final wiring connections to motors or electrical equipment, etc.

2.5 ELECTRICAL METALLIC TUBING (EMT)

A. Description: ANSI C80.3; galvanized tubing.

B. Fittings and Conduit Bodies: ANSI/NEMA FB 1; set screw type.

2.6 NONMETALLIC CONDUIT

C. Description: NEMA TC 2; Schedule 40 PVC.

D. Fittings and Conduit Bodies: NEMA TC 3.

2.7 SURFACE RACEWAY ASSEMBLY

A. One steel raceway as scheduled or noted on the drawings.

B. Divided non-metallic raceway basic components

1. Base cover

2. Flat elbow

3. Divided entrance fitting

4. Blank end fitting

5. Dividers

6. Fill-in covers

7. 2 gang horizontal device bracket

2.8 FIRE RATED WIREWAY

A. As scheduled on the drawings.

B. Wireway sizes and quantities shall be based on the cable counts as determined by the Contractor.

2.9 MC CABLE

A. Corrugated steel tubing with integral conductors.

B. Use MC cable as noted on the drawings and specified in Building Wire and Cable Specification 26 05 19.

CONDUIT FOR ELECTRICAL SYSTEMS 26 05 33.13-5

C. MC cable is not permitted for homeruns or feeders or branch device drops.

2.10 FIRE PUMP CONTROLLER CONDUIT

A. Meet the current National Electric Code Edition Section 695 requirements for the incoming power feeder conduit serving the fire pump controller. Rated cables type RHH installed in metal conduit or THHN/TWHN cables installed in metal conduit that is concrete encased are acceptable methods.

2.11 HDPE CONDUIT

A. Smooth seamless for direct burial application.

B. PVC cement is not acceptable for HDPE to PVC connection. Acceptable conduit adhesive shall be �Bonduit� offered by Polywater or approved equal.

C. Use HDPE conduit couplers for transition to interduct, PVC or threaded steel conduit. Provide �E-loc� or electrofusion coupler type manufactured by Lamson Pipe Company or approved equal by Shur-Lock couplers by Arnco Corporation.

D. Refer to NEC 2017 Section 353 for the HDPE conduit connection and installation methods.

E. HDPE conduit is not acceptable for exposed installations.

2.12 WATER SEALANT

A. Use �Polywater FST� for a means and methods to seal leaking conduits. Follow the manufacturer�s instructions.

2.13 CONDUIT SEALS (FOUNDATION WALLS)

A. Modular elastomer type. EDM seal element. Nylon reinforcement. Pressure plate zinc plated bolts and nuts. Follow manufacturer�s sizing chart and installation manual. Eaton Link Seal or equal.

PART 3 EXECUTION

3.1 INSTALLATION

A. Install nonmetallic conduit in accordance with manufacturer�s instructions.

B. Arrange supports to prevent misalignment during wiring installation.

C. Support conduit using coated steel or malleable iron straps, lay-in adjustable hangers, clevis hangers, and split hangers.

D. Group related conduits; support using conduit rack. Construct rack using steel channel; provide space on each for 25 percent additional conduits.

CONDUIT FOR ELECTRICAL SYSTEMS 26 05 33.13-6

E. Fasten conduit supports to building structure and surfaces under provisions of Section 26 05 29.

F. Do not support conduit with wire or perforated pipe straps. Remove wire used for temporary supports.

G. Do not attach conduit to ceiling support wires.

H. Arrange conduit to maintain headroom and present neat appearance.

I. Route conduit parallel and perpendicular to walls or building centerlines.

J. Route conduit installed above accessible ceilings parallel and perpendicular to walls. Install metal conduit sleeves or fire rated assembly in all fire rated wall as identified on the electrical plans.

K. Route conduit in and under slab from point-to-point.

L. Do not cross conduits in slab.

M. Maintain adequate clearance between conduit and piping.

N. Maintain 12 inch clearance between conduit and surfaces with temperatures exceeding 104 degrees F.

O. Cut conduit square using saw or pipecutter; de-burr cut ends.

P. Bring conduit to shoulder of fittings; fasten securely.

Q. Join nonmetallic conduit using cement as recommended by manufacturer. Wipe nonmetallic conduit dry and clean before joining. Apply full even coat of cement to entire area inserted in fitting. Allow joint to cure for 20 minutes, minimum.

R. Use conduit hubs or sealing locknuts to fasten conduit to sheet metal boxes in damp and wet locations and to cast boxes.

S. Install no more than equivalent of three 90-degree bends between boxes. Use conduit bodies to make sharp changes in direction, as around beams.

T. Provide suitable fittings to accommodate expansion and deflection where conduit crosses, control and expansion joints. Use a UL listed expansion joint. If expansion length exceeds the manufactured expansion fitting, the use of PVC coated metallic flexible conduit is an acceptable method.

U. Provide suitable pull wire in each empty conduit except sleeves and nipples.

V. Use suitable caps to protect installed conduit against entrance of dirt and moisture.

W. Ground and bond conduit under provisions of Section 26 05 26.

X. Identify conduit under provisions of Section 26 05 53.

CONDUIT FOR ELECTRICAL SYSTEMS 26 05 33.13-7

Y. The control system contractor shall be responsible to adhere to the mechanical plans and/or temperature control system drawings to establish conduit routes.

Z. Electrical Contractor shall be required to install new conduit (concealed) in all finished areas for the following, but not limited to: exit lights, clocks, light fixtures, receptacles, sensors, switching, fire alarm manual pull stations, horn/strobe unit and strobe units, etc. Saw cut, channel and patch the walls. Neatly saw cut all existing brick veneer, glazed block or tiled areas to complete the new work.

Firestop all conduits passing through fire rated walls, floors or separation barriers.

Take the necessary steps to prevent chipping during the saw cutting and or wall channeling operation in the brick veneer, glazed tile or block areas. It shall be acceptable to install conduit from the opposite wall side to minimize brick veneer, glaze block or tile work. In non-finished spaces such as janitor closets, mechanical rooms, hub rooms, electrical rooms and storage rooms, conduit can be surface mounted. Conduit drops or MC cable shall be concealed in the new walls and as noted and specified on the drawings.

AA. All power, voice, clock, public address, data, fire alarm, occupancy sensor lighting wiring installed in exposed spaces shall be installed in conduit.

BB. Electrical Contractor shall install the non-metallic divided surface raceway as noted or shown on the drawings. Refer to Electrical plans for a typical raceway detail.

CC. Low-voltage voice and data device conduit drops shall only be required to be extended into the accessible ceiling space or to a cable tray as noted or specified on the drawings.

DD. Contractor shall provide separate raceway for the emergency power distribution system.

EE. Electrical Contractor shall identify emergency power. Identify all of the junction box cover plates with panelboard source ID and circuit number(s). Provide engraved label. Handwritten on the junction box cover plate is not acceptable.

FF. Provide conduit wall sleeves for low-voltage wiring installation as shown and noted on the drawings. Firestop the conduit openings. Use fire rated wireway as specified or noted on the drawings.

GG. Multiple non-metallic conduit duct bank shall include top, intermediate and bottom PVC conduit spacers spaced on 60� centers.

HH. Provide empty conduit for power assisted doors as noted and shown on the drawings.

II. Provide empty conduit for security system as noted and shown on the drawings.

3.2 INTERFACE WITH OTHER PRODUCTS

CONDUIT FOR ELECTRICAL SYSTEMS 26 05 33.13-8

A. Install conduit to preserve fire resistance rating of partitions and other elements, using materials and methods consistent with facility standards or this project specification.

B. Route conduit through roof openings for piping and ductwork or through suitable roof jack with pitch pocket or detail to match roof type specified.

C. No drilling of the existing gym laminated beams is permitted without a review with the project Structural Engineer.

BOXES FOR ELECTRICAL SYSTEMS 26 05 33.16-1

SECTION 26 05 33.16

BOXES FOR ELECTRICAL SYSTEMS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Wall and ceiling outlet boxes.

B. Pull and junction boxes.

C. Occupancy sensor boxes.

1.2 RELATED SECTIONS

A. All drawings and specification sections apply to work in this section. Furnish all items, articles, materials, equipment, operations or methods that are mentioned, listed or scheduled on drawings or are in this specification including all labor, equipment, materials and miscellaneous incidentals necessary and/or required for the completion of this project. The work covered under this section of the specifications is in no way complete within itself but is supplementary to the entire specification and drawings.

1.3 REFERENCES

A. NEMA FB 1 - Fittings and Supports for Conduit and Cable Assemblies.

B. NEMA OS 1 - Sheet-steel Outlet Boxes, Device Boxes, Covers, and Box Supports.

C. NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum).

D. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

1.4 SUBMITTALS FOR REVIEW

A. Provide submittal as listed in Section 26 01 00.

1.5 REGULATORY REQUIREMENTS

A. Conform to requirements of 2015 Michigan Building Code, 2017 National Electrical Code, 2017 State of Michigan Code Rules Part 8, 2009 ICC/ANSI 117.1 and local code requirements.

B. Furnish products listed and classified by Underwriters Laboratories, Inc. as suitable for purpose specified and indicated.

PART 2 PRODUCTS

BOXES FOR ELECTRICAL SYSTEMS 26 05 33.16-2

2.1 BRANCH DEVICE BOXES

A. Sheet Metal Outlet Boxes: Use 4� square stamped steel box with single gang device ring as general project requirement.

B. Nonmetallic Outlet Boxes: NEMA OS 2. (Not permitted unless as noted on the drawing).

C. Cast Aluminum Boxes: for exterior location us a single gang shallow box with thread hub connection. Provide gasketed cover by box manufacturer.

D. Use masonry box in masonry walls.

E. Use 4� octagon box for ceiling smoke detectors.

F. Use in line non-metallic type box in non-metal surface raceway assembly as scheduled and detailed on the drawings.

G. Elevator service pit box for the receptacle shall be NEMA 4 to meet State Elevator Code.

2.2 PULL AND JUNCTION BOXES

A. Sheet Metal Boxes

1. NEMA 1 enclosure for interior location.

2. NEMA 3R or 4X for exterior location.

3. Stainless steel for food service area.

4. Non-metallic pull and junction boxes are not permitted for this project unless noted otherwise.

2.3 OCCUPANCY SENSORS

A. Refer to the manufacturer for box requirements.

PART 3 EXECUTION

3.1 INSTALLATION

A. Install in locations as shown on Drawings, and as required for wire pulling,…