Bid_#2027-01_-_Specifications_Volume_2_-_Contract_C.pdf

May 2026

PROJECT MANUAL

VOLUME 2 of 2

CITY OF BLOOMINGTON

Potable Water Distribution System Improvements

Contract C - Pumping, Storage, and Water Mains

Bid # 2027-01

Bloomington, Illinois

Donohue & Associates, Inc.

1605 South State Street, Suite 1C

Champaign, Illinois 61820

217.352.9990 | donohue-associates.com

Donohue Project No.: 14087C

Donohue & Associates 1605 South State Street, Suite 1C Champaign, Illinois 61820 Phone: 217.352.9990

Project No. 14087C

CITY OF BLOOMINGTON, IL

POTABLE WATER DISTRIBUTION SYSTEM IMPROVEMENTS

CONTRACT C – PUMPING, STORAGE AND WATER MAINS

BLOOMINGTON, IL

Donohue & Associates, Inc. PROJECT SEALS

City of Bloomington, IL Potable Water Distribution System Improvements Contract C – Pumping, Storage And Water Mains

DIVISION 00 – FRONT END DOCUMENTS

All Sections

DIVISION 01 – GENERAL REQUIREMENTS

All Sections DIVISION 11 – Equipment All Sections

DIVISION 31 – EARTHWORK

All Sections

DIVISION 32 – EXTERIOR IMPROVEMENTS

All Sections

DIVISION 33 – UTILITIES

DIVISION 03 – CONCRETE

DIVISION 04 – MASONRY

All Sections

DIVISION 05 – METALS

All Sections

DIVISION 06 – WOODS, PLASTICS, AND COMPOSITES

All Sections

DIVISION 07 – THERMAL AND MOISTURE PROTECTION

All Sections

DIVISION 08 – OPENINGS

All Sections

DIVISION 09 – FINISHES

All Sections

DIVISION 10 – SPECIALTIES

Section 10 28 10 – Toilet Room Accessories Section 10 44 16 – Fire Extinguishers Section 10 44 50 – Door Signs Section 10 52 40 – Data and Key Storage Cabinets

DIVISION 13 – SPECIAL CONSTRUCTION

All Sections

DIVISION 41 – MATERIAL PROCESSING AND HANDLING

EQUIPMENT

License Expiration: 11/30/2027

License Expiration: 11/30/2026 kanderson Stamp kanderson Stamp

DIVISION 22 – PLUMBING

DIVISION 23 – HEATING, VENTILATING AND AIR

CONDITIONING

DIVISION 26 – ELECTRICAL

DIVISION 27 – COMMUNICATIONS

All Sections

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

All Sections

DIVISION 40 – PROCESS INTERCONNECTIONS

Section 40 61 13 – Process Control System (PCS) General Provisions Section 40 61 20 – Process Control System (PCS) Configuration Services Section 40 61 21 – Process Control System - Testing Section 40 61 26 – Process Control System - Training Section 40 61 93 – Process Control System – Input-Output List Section 40 61 96 – Process Control Descriptions Section 40 62 63 – Operator Interface Units Section 40 63 43 – Programmable Logic Controllers Section 40 66 00 – Network and Communication Equipment Section 40 67 15 – Control Panels Section 40 67 63 – Control Panel Mounted Uninterruptible Power Supply (UPS) Section 40 70 00 – Instrumentation of Process Systems Section 40 78 00 – Panel Mounted Instruments Section 40 79 00 – Miscellaneous Instruments kanderson Stamp

DIVISION 10 – SPECIALTIES

Section 10 14 10 – Systems Identification

DIVISION 40 – PROCESS INTERCONNECTIONS

Section 40 05 05 – Exposed Piping Installation Section 40 05 06 – Couplings, Adapters, and Specials for Process Piping Section 40 05 07 – Pipe Hangers and Supports Section 40 05 09 – Pipe Sleeves and Seals Section 40 05 10 – Testing Piping Systems Section 40 05 19 – Ductile Iron Process Pipe Section 40 05 23 – Stainless Steel Process Pipe Section 40 05 24 – Steel Process Pipe Section 40 05 31.13 – Polyvinyl Chloride Process Pipe Section 40 05 31.83 – Flexible Plastic Tubing Section 40 05 53 – Process Valves Section 40 05 53.02 – Reservoir Hydrodynamic Mixing System Section 40 41 13 – Process Piping Heat Tracing Section 40 42 13 – Mechanical Insulation

DIVISION 43 – PROCESS GAS AND LIQUID HANDLING

EQUIPMENT

All Sections

DIVISION 46 – WATER AND WASTEWATER EQUIPMENT

All Sections

License Expiration: 11/30/2027

Donohue & Associates, Inc. TABLE OF CONTENTS Project No. 14087C 1

CONTRACT C – PUMPING, STORAGE, AND WATER MAINS

TABLE OF CONTENTS – VOLUME 1

NOTICE OF AWARD

NOTICE TO PROCEED

GENERAL CONDITIONS

SUPPLEMENTARY CONDITIONS

SPECIFICATIONS

DIVISION 01 – GENERAL REQUIREMENTS

Section 01 11 00 – Summary of Work Section 01 21 00 – Contingency Section 01 21 01 – Allowances Section 01 29 73 – Schedule of Values Section 01 31 19 – Project Meetings Section 01 32 15 – Progress Schedule (Critical Path Method) Section 01 32 33 – Construction Photographs Section 01 33 00 – Submittal Procedures Section 01 35 16 – Alteration Project Procedures Section 01 41 00 – Regulatory Requirements Section 01 42 00 – Abbreviations and References Section 01 45 29 – Testing Laboratory Services Section 01 52 00 – Construction Facilities Section 01 55 26 – Traffic Control Section 01 57 19 – Temporary Environmental Controls Section 01 61 00 – Common Product Requirements Section 01 71 23 – Construction Staking Section 01 74 00 – Cleaning and Waste Management Section 01 74 50 – Disinfection of Water Mains and Facilities Section 01 75 20 – Alignment and Vibration Testing of Rotating Equipment Section 01 78 23 – Operation and Maintenance Manuals Section 01 78 39 – Project Record Documents Section 01 79 10 – Systems Demonstrations Section 01 79 30 – Instructional Services

DIVISION 03 – CONCRETE

Section 03 20 00 – Concrete Reinforcing Section 03 30 00 – Cast-In-Place Concrete Section 03 40 00 – Precast Concrete Section 03 62 00 – Non-shrink Grouting

TABLE OF CONTENTS Donohue & Associates, Inc.

2 Project No. 14087C

DIVISION 04 – MASONRY

Section 04 22 00 – Concrete Unit Masonry

DIVISION 05 – METALS

Section 05 50 00 – Metal Fabrications Section 05 52 00 – Metal Railing Section 05 53 13 – Bar Grating

DIVISION 06 – WOOD, PLASTICS, AND COMPOSITES

Section 06 10 00 – Rough Carpentry Section 06 40 30 – Wood Casework

DIVISION 07 – THERMAL AND MOISTURE PROTECTION

Section 07 21 00 – Thermal Insulation Section 07 21 19 – Foamed-In-Place Insulation Section 07 26 20 – Liquid Applied Air-Vapor Barrier System Section 07 54 00 – Thermoplastic Membrane Roofing

Section 07 71 33 – Scuppers and Downspouts Section 07 92 00 – Joint Sealants

DIVISION 08 – OPENINGS

Section 08 11 13 – Hollow Metal Doors and Frames Section 08 16 13 – Fiberglass Doors and Frames Section 08 33 23 – Overhead Coiling Doors Section 08 51 13 – Aluminum Windows Section 08 71 00 – Door Hardware Section 08 81 00 – Glass Glazing

DIVISION 09 – FINISHES

Section 09 26 00 – Cold-Dorm Metal Framing Assemblies Section 09 30 10 – Ceramic Tiling Section 09 51 00 – Acoustical Ceilings Section 09 65 00 – Resilient Flooring Section 09 68 10 – Tile Carpeting Section 09 96 00 – High-Performance Coatings

DIVISION 10 – SPECIALTIES

Section 10 14 10 – Systems Identification Section 10 28 10 – Toilet Room Accessories Section 10 44 16 – Fire Extinguishers Section 10 44 50 – Door Signs Section 10 52 40 – Data and Key Storage Cabinets

DIVISION 11 – EQUIPMENT

Section 11 94 00 – Tablet Dechlorinator

Project No. 14087C 3

DIVISION 13 – SPECIAL CONSTRUCTION

Section 13 47 13 – Cathodic Protection

DIVISION 22 – PLUMBING

Section 22 00 05 – Plumbing Systems

DIVISION 23 – HEATING, VENTILATING AND AIR CONDITIONING

Section 23 05 93 – Testing, Adjusting, and Balancing for HVAC Section 23 09 23 – Digital Control Systems for HVAC Section 23 11 23 – Facilities Natural Gas Piping Section 23 31 13 – Metal Ducts Section 23 31 14 – Non-Fibrous, Closed Cell, Outdoor Ductwork Section 23 33 00 – Air Duct Accessories Section 23 34 23 – HVAC Power Ventilators Section 23 36 16 – Variable-Air-Volume Units Section 23 37 13 – Diffusers, Registers, and Grilles Section 23 74 19 – Packaged Rooftop Unit Section 23 82 38 – Electric Heating Terminals

4 Project No. 14087C

CONTRACT C – PUMPING, STORAGE, AND WATER MAINS

TABLE OF CONTENTS – VOLUME 2

DIVISION 26 – ELECTRICAL

Section 26 01 26 – Testing Electrical Systems Section 26 05 19 – Low-Voltage Conductors and Cables (600V and Less) Section 26 05 26 – Grounding and Bonding for Electrical Systems Section 26 05 29 – Hangers and Supports for Electrical Systems Section 26 05 33.13 – Cabinets and Boxes for Electrical System Section 26 05 33.16 – Conduit for Electrical System Section 26 05 43 – Underground Ducts and Raceways for Electrical Systems Section 26 05 73 – Power System Studies Section 26 05 84 – Electric Motors Section 26 05 90 – Electric Utility Services Section 26 22 00 – Low-Voltage Transformers Section 26 24 13 – Switchboards Section 26 24 16 – Panelboards Section 26 27 26 – Wiring Devices Section 26 28 00 – Low-Voltage Circuit Protective Devices Section 26 29 00 – Low-Voltage Controllers Section 26 29 23 – Variable Frequency Drive Equipment Section 26 32 09 – Portable Generator Connection Cabinet Section 26 32 13.13 – Diesel-Engine-Driven Generator Sets Section 26 32 13.16 – Gas-Engine-Driven Generator Sets Section 26 36 00 – Transfer Switches (Standby) Section 26 41 00 – Facility Lightning Protection Section 26 51 00 – Interior Lighting Section 26 56 00 – Exterior Lighting

DIVISION 27 – COMMUNICATIONS

Section 27 13 00 – Network Cabling

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

Section 28 10 00 – Access Control Systems Section 28 20 00 – Video Surveillance Systems

DIVISION 31 – EARTHWORK

Section 31 10 00 – Site Clearing Section 31 22 00 – Grading Section 31 23 00 – Excavation and Fill Section 31 23 33 – Trenching and Backfill Section 31 25 00 – Erosion and Sedimentation Control Section 31 37 00 – Riprap

Project No. 14087C 5

DIVISION 32 – EXTERIOR IMPROVEMENTS

Section 32 11 23 – Aggregate Base and Surface Courses Section 32 12 16 – Asphalt Paving Section 32 13 13 – Concrete Paving Section 32 16 13 – Curbs and Gutters Section 32 16 23 – Sidewalks Concrete Section 32 31 13 – Chain Link Fences and Gates Section 32 92 00 – Turf and Grasses

DIVISION 33 – UTILITIES

Section 33 01 30.72 – Cured-In-Place Pipe Lining Section 33 04 00 – Testing Buried Piping Systems Section 33 05 05 – Site Utilities Section 33 05 07.23 – Boring and Jacking Section 33 05 07.24 – Boring and Jacking (UPRR and Rt 66 Crossing) Section 33 05 61 – Manholes, Catch Basins, and Inlets Section 33 14 16 – Water Distribution System Section 33 15 00 – Line Stopping Section 33 16 19 – Elevated Spheroid Water Storage Tanks – Modifications Section 33 16 23 – Steel Water Storage Tanks Section 33 31 13 – Sanitary Sewer Gravity Piping Section 33 34 10 – Septic Systems Section 33 42 11 – Storm Water Gravity Piping Section 33 52 00 – Hydrocarbon Transmission and Distribution

DIVISION 40 – PROCESS INTERCONNECTIONS

Section 40 05 05 – Exposed Piping Installation Section 40 05 06 – Couplings, Adapters, and Specials for Process Piping Section 40 05 07 – Pipe Hangers and Supports Section 40 05 09 – Pipe Sleeves and Seals Section 40 05 10 – Testing Piping Systems Section 40 05 19 – Ductile Iron Process Pipe Section 40 05 23 – Stainless Steel Process Pipe Section 40 05 24 – Steel Process Pipe Section 40 05 31.13 – Polyvinyl Chloride Process Pipe Section 40 05 31.83 – Flexible Plastic Tubing Section 40 05 53 – Process Valves Section 40 05 53.02 – Reservoir Hydrodynamic Mixing System Section 40 41 13 – Process Piping Heat Tracing Section 40 42 13 – Mechanical Insulation Section 40 61 13 – Process Control System (PCS) General Provisions Section 40 61 20 – Process Control System (PCS) Configuration Services Section 40 61 21 – Process Control System - Testing Section 40 61 26 – Process Control System - Training Section 40 61 93 – Process Control System – Input-Output List Section 40 61 96 – Process Control Descriptions Section 40 62 63 – Operator Interface Terminals Section 40 63 43 – Programmable Logic Controllers Section 40 66 00 – Network and Communication Equipment Section 40 67 15 – Control Panels Section 40 67 63 – Control Panel Mounted Uninterruptible Power Supply (UPS) Section 40 70 00 – Instrumentation of Process Systems

6 Project No. 14087C

Section 40 78 00 – Panel Mounted Instruments Section 40 79 00 – Miscellaneous Instruments

DIVISION 41 – MATERIAL PROCESSING AND HANDLING EQUIPMENT

Section 41 22 13.50 – Hoisting Equipment Section 41 22 23.10 – Manual Hoists

DIVISION 43 – PROCESS GAS AND LIQUID HANDLING EQUIPMENT

Section 43 23 21 – Horizontal Split Case Pumps

DIVISION 46 – WATER AND WASTEWATER EQUIPMENT

Section 46 41 41 – Tank Mixer

APPENDIX

Subsurface Exploration and Foundation Recommendations Soil Evaluation Report for Private Septic System – City of Bloomington Union Pacific Railroad – Guidelines for Track & Ground Monitoring C-C620 Contractor’s Application for Payment C-625 Certificate of Substantial Completion C-626 Certificate of Final Completion C-940 Work Change Directive C-942 Field Order Form Certificate of Installation Services Certificate of Instructional Services Certificate of Post Startup Services Change Order Contractor’s Request for Substitution Contractor’s Submittal Transmittal Request for Information

DIVISION 26

ELECTRICAL

Donohue & Associates, Inc. TESTING ELECTRICAL SYSTEMS Project No. 14087C 26 01 26-1

SECTION 26 01 26

TESTING ELECTRICAL SYSTEMS

PART 1 – GENERAL

1.01 SUMMARY

A. Description of Work:

1. Prior to energizing equipment, retain services of recognized independent testing laboratory for purpose of performing inspections and tests as herein specified.

2. Ensure electrical equipment supplied by Contractor and Owner is operational within industry and manufacturer’s tolerances and installed in accordance with Specifications.

3. Device Ratings and Settings: Verify ratings and settings of overload relays, motor circuit protectors, and overcurrent devices. Make final adjustments of devices in accordance with Section 26 05 73 prior to testing.

B. SUBMITTALS

1. Test Reports:

a. Electronic copy of complete testing report utilizing InterNational Electrical Testing Association (NETA) forms.

b. Submit report no later than 30 days after testing complete.

2. Submit proof of testing agency qualification.

C. QUALITY ASSURANCE

1. Regulatory Requirements:

a. National Fire Protection Association (NFPA):

b. National Electrical Code (NEC) (NFPA No. 70) and amendments thereto.

c. Underwriters Laboratories, Inc. (UL).

2. Inspections and tests shall utilize following.

a. Project Specifications.

b. Project Drawings.

c. Manufacturer’s instruction manuals applicable to each particular apparatus.

3. Testing Agency:

a. Meet federal, state, and local safety requirements for accreditation of testing laboratories, CFR Title 29, Part 1907, “Accreditation of Testing Laboratories.”

Membership in NETA constitutes proof of meeting such criteria.

b. Meet Federal Department of Commerce requirements for nationally independent testing laboratory certification.

4. Permanently record checks and tests and make available to Engineer.

D. PROJECT/SITE CONDITIONS

1. Contractor’s Responsibilities:

Project No. 14087C 26 01 26-2

a. Supply source of test power to test laboratory at each test site.

b. Notify testing laboratory when equipment becomes available for acceptance tests.

c. Coordinate Work to minimize Project delay.

d. Supply complete set of electrical drawings, specifications, and pertinent change orders to testing laboratory prior to commencement of testing.

2. Testing Laboratory Responsibilities:

a. Notify Engineer prior to commencement of testing.

b. Provide material, equipment, labor, and technical supervision to perform such tests and inspections.

3. Recommendations for acceptance or rejection shall be given upon consultation of Engineer, Owner, Contractor, and testing laboratory’s representative.

PART 2 – PRODUCTS

(Not Used)

PART 3 – EXECUTION

3.01 GENERAL

A. Test Work and equipment installed to ensure proper and safe operation in accordance with intent of Drawings and Specifications.

1. Check interlocking and automatic control sequences and test operation of safety and protective devices.

B. Correct defects found by Work of this section.

1. Cooperate with Power Company, supplier, and manufacturer representatives in order to achieve proper and intended operation of equipment.

2. Test, adjust, and record operating voltages at each system level before energizing branch circuits.

C. Transformer taps shall be adjusted to obtain as near as possible nominal system voltage.

1. Where transformer is under utility jurisdiction, obtain services of utility to correct voltage.

D. Replace devices and equipment damaged due to failure to comply with this requirement.

E. Balance load among feeder conductors at each panelboard, switchboard or substation and reconnect loads as necessary to obtain reasonable load balance on each phase. Electrical unbalance shall not exceed 20%.

3.02 SWITCHBOARD:

A. Visual and Mechanical Inspections:

1. Inspect for physical damage.

2. Verify equipment supplied and connected in accordance with Specifications.

3. Inspect for proper alignment, anchorage, and grounding.

4. Check tightness of accessible bolted bus joints by calibrated torque wrench method.

Refer to manufacturer’s instructions for proper foot-pound levels.

Project No. 14087C 26 01 26-3

5. Key interlock system shall be physically tested to ensure proper function.

6. Doors, panels, and sections shall be inspected for paint, scratches, and fit.

7. Mechanical operation of relays, switches, and other devices.

B. Electrical Tests:

1. Insulation Resistance Test: Measure insulation resistance of each bus section phase-to-phase and phase-to-ground for 1 minute. Test voltage and minimum acceptable values in accordance with Paragraph 3.02.C.2.

2. Test Values:

a. Bolt torque levels shall be in accordance with manufacturer’s instructions.

b. Insulation resistance test shall be performed in accordance with following.

Insulation Resistance Test Voltage

Voltage Rating Test Voltage

150 – 600 volts 1,000 volts

601 – 5,000 volts 2,500 volts

5,001 volts and above 5,000 volts

c. Values of insulation resistance less than rated kilovolts +1 in megohms shall be investigated and corrected.

3.03 MOTOR CONTROLLERS

A. Visual and Mechanical Inspection:

1. Visual and Mechanical Inspection: Include following inspections and related work.

a. Motor Control Device Ratings and Settings: Verify ratings and settings as installed are appropriate for final loads and final system arrangement and parameters.

Recommend final protective device ratings and settings where differences found.

Use accepted revised ratings or settings to make final system adjustments.

b. Inspect for defects and physical damage and nameplate compliance with Drawings.

c. Exercise and perform operational tests of mechanical components and other operable devices in accordance with manufacturer's written instructions.

d. Check tightness of electrical connections of devices with calibrated torque wrench.

Use manufacturer's recommended torque values.

e. Clean devices using manufacturer's approved methods and materials.

f. Verify proper fuse types and ratings in fusible devices.

B. Electrical Tests:

1. Perform following in accordance with manufacturer's written instructions.

a. Insulation resistance test of motor control devices conducting parts to extent permitted by manufacturer's written instructions. Insulation resistance less than 100 megohms not acceptable.

b. Use primary current injection to check performance characteristics of motor circuit protectors and for overload relays of controllers for motors 15 horsepower and larger.

Trip characteristics not within manufacturer's published time-current tolerances not acceptable.

Project No. 14087C 26 01 26-4

c. Make adjustments for final settings of adjustable trip devices.

d. Test auxiliary protective features such as loss of phase, phase unbalance, and undervoltage to verify operation.

e. Check for improper voltages at terminals in controllers having external control wiring when controller disconnect opened. Voltage over 30 volts is unacceptable.

2. Correct deficiencies and retest motor control devices. Verify by system tests that specified requirements are met.

3.04 GROUNDING SYSTEM

A. Testing:

1. Subject completed grounding system to megger test at each location where maximum ground-resistance level is specified, at service disconnect enclosure grounding terminal, and at ground test wells.

2. Measure ground resistance not less than 2 full days after last trace of precipitation, and without soil being moistened by any means other than natural drainage or seepage and without chemical treatment or other artificial means of reducing natural ground resistance.

3. Perform tests by 2 point method according to Section 9.03 of IEEE 81.

B. Maximum grounding to resistance values are as follows:

1. Equipment Rated 500 KilovoltAmps (KVA) and Less: 10 ohms.

2. Equipment Rated 500 to 1000 KVA: 5 ohms.

3. Equipment Rated More than 1000 KVA: 3 ohms.

4. Unfenced Substations and Pad-Mounted Equipment: 5 ohms.

5. Manhole Grounds: 10 ohms.

C. Excessive Ground Resistance: Where resistance to ground exceeds specified values, notify Engineer promptly and include recommendations to reduce ground resistance and to accomplish recommended work.

D. Report: Prepare certified test reports, of ground resistance at each test location. Include observations of weather and other phenomena that may affect test results. Describe measures taken to improve test results.

3.05 GROUND FAULT SYSTEMS

A. Visual and Mechanical Inspection:

1. Inspect for physical damage and compliance with Drawings and Specifications.

2. Inspect neutral main bonding connection to ensure following.

a. Zero sequence system grounded upstream of sensor.

b. Ground strap systems grounded through sensing device.

c. Ground connection made ahead of neutral disconnect link.

3. Inspect control power transformer to ensure adequate capacity for system.

4. Manual operate monitor panels (if present) for following:

a. Trip test.

b. No trip test.

c. Non-automatic reset.

Project No. 14087C 26 01 26-5

5. Record proper operation and test sequence.

6. Inspect zero sequence systems for symmetrical alignment of core balance transformers about current carrying conductors.

7. Verify ground fault device circuit nameplate identification by actuation observation.

8. Pickup and time delay settings shall be set in accordance with settings developed through coordination study and as approved by Engineer.

B. Electrical Tests:

1. Test in accordance with manufacturer's instructions.

2. Measure system neutral insulation resistance to ensure no shunt ground paths exist, neutral-ground disconnect link removed, neutral insulation resistance measured, and link replaced.

3. Relay pickup current shall be determined by primary injection at sensor and circuit interrupting device operated.

4. Relay timing shall be tested by injecting 150% and 300% of pickup current into sensor.

Total trip time shall be electrically monitored.

5. System operation shall be tested at 55% rated voltage.

6. Zone interlock system shall be tested by simultaneous sensor current injective and monitoring blocking function.

C. Test Parameters:

1. System neutral insulation shall be minimum of 100 ohms, preferably 1 megohm or larger.

2. Relay pickup current shall be within 10% of device dial or fixed setting, and in no case greater than 1,200 amps.

3. Relay timing shall be in accordance with manufacturer's published time-current characteristic curves, but in no case longer than 1 second.

END OF SECTION

Donohue & Associates, Inc.

LOW-VOLTAGE ELECTRICAL POWER

CONDUCTORS AND CABLES

Project No. 14087C 26 05 19-1

SECTION 26 05 19

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

PART 1 – GENERAL

1.01 SUMMARY

A. Section Includes:

1. Building wires and cables and associated splices, connectors, and terminations for wiring systems rated 600 volts and less.

1.02 DEFINITIONS

A. Underfloor Conduits.

1. Conduits run underground within perimeter of building walls under building floor. This may consist of 1 conduit, or several conduits grouped together.

B. Duct Bank Conduits

1. Conduits run underground outside perimeter of building walls. This may consist of 1 conduit, or several conduits grouped together.

C. Underground Conduits

1. Underground conduits are both underfloor conduits and duct bank conduits.

1.03 SUBMITTALS

A. Conductor testing results.

B. Product data.

C. Submit in accordance with Section 01 33 00.

1.04 QUALITY ASSURANCE

A. Items provided under this Section shall be listed or labeled by Underwriters Laboratories, Inc.

(UL) or other Nationally Recognized Testing Laboratory (NRTL).

1. Term "NRTL" shall be as defined in Occupational Safety and Health Administration (OSHA) Regulation 1910.7.

2. Terms "listed" and "labeled" shall be as defined in National Electrical Code, Article 100.

B. Regulatory Requirements:

1. National Electrical Code (NEC): Components and installation shall comply with National Fire Protection Association (NFPA) 70.

1.05 DELIVERY, STORAGE, AND HANDLING

A. Deliver wire and cable according to National Electrical Manufacturers Association

(NEMA) WC 26.

Project No. 14087C 26 05 19-2

PART 2 – PRODUCTS

2.01 BUILDING WIRES AND CABLES

A. UL-listed building wires and cables with conductor material, insulation type, cable construction, and rating as required to meet application and NEC requirements.

B. Wire and cable for 600 volts and below: Soft drawn, copper wire with 600 volt insulation.

1. Conductors:

a. Annealed copper in accordance with American Society for Testing and Materials (ASTM)

B3.

b. Stranding: Class B in accordance with ASTM B8.

2. Insulations and Coverings:

a. Conform to NEMA WC 70

C. 480V feeders, branch circuits, service conductors, motor conductors, duct bank conduits, and Variable Frequency Drive (VFD) conductors: Single conductor Type XHHW-2.

D. Panel Board Branch Circuits 240V and Below:

1. Single Conductor Type THHN/THWN (90 degrees Celsius): Above ground and underfloor conduits.

2. Single Conductor Type XHHW-2: Duct bank conduit.

3. 12 American Wire Gauge (AWG) minimum size (unless otherwise noted) for branch circuit wiring, including motor circuits.

4. Size 120 volt branch circuits for length of run on following basis.

a. 0 to 50 feet Run From Panelboard to first outlet: 12 AWG minimum.

b. 51 to 100 feet Run: Increase one wire size, i.e., 12 AWG becomes 10 AWG.

c. 101 to 150 feet Run: Increase two wire sizes, i.e., 12 AWG becomes 8 AWG.

d. 151 feet and above: Wiring sized for 3% maximum voltage drop.

5. For other branch circuits, voltage drop for branch circuits and feeder circuit combined shall not exceed requirements of the NEC 215.

E. Control Circuits:

1. Single Conductor Type THHN/THWN (90 degrees Celsius): Above ground and underfloor conduits.

2. Single Conductor Type XHHW-2: Above ground and underfloor conduits.

3. 14 AWG minimum size (unless otherwise noted).

4. Single conductor Type XHHW-2: Duct bank conduits.

F. Non-shielded Instrumentation, Graphic Indication, and Other Control Wiring Operating at Less Than 120 volt: 14 AWG except as otherwise indicated with same insulation as control circuits.

1. Single conductor Type THHW/THWN (90 degrees Celsius), above ground and underfloor conduits.

2. Multi-wire cable assembly: Duct bank conduits.

G. Shielded instrumentation and Resistance Temperature Detector (RTD) wiring, above ground and

Project No. 14087C 26 05 19-3 underfloor conduits:

1. Polyvinyl Chloride (PVC) insulation, tinned copper (19 by 29) stranded, 16 AWG, twisted pair or triplet cabled with aluminum mylar shielding, stranded, tinned, 18 AWG copper drain wire, and overall black FR-PVC, 90 degrees C, 600 volt jacket.

2. Multi-wire cable assembly: duct bank conduits.

H. Multi-Wire Control and Instrumentation Cable Assemblies:

1. Multi-conductor, color-coded cable with number and size of conductors indicated.

2. Where spare conductors are not indicated provide 10% spare conductors. One pair minimum.

3. Control and non-shielded instrumentation.

a. Tinned soft stranded 14 or 12 AWG copper in accordance with ASTM B33.

b. Class B stranded in accordance with ASTM B8.

c. Type XLPE insulation also meeting requirements of NEMA WC-57.

d. Color coded in accordance with ICEA Method 1, Table E-2.

e. Cabled with suitable fillers.

f. Overall black FR-PVC, 90 degrees Celsius, 600 volt sunlight resistant jacket.

g. UL listed for installation in cable trays in accordance with NEC Art. 336, Class I, Division 2 hazardous areas and in accordance with NEC 340 and for direct burial.

4. Shielded Instrumentation:

a. Tinned soft stranded 16 AWG copper in accordance with ASTM B33.

b. Class B stranded copper in accordance with ASTM B8.

c. PVC with nylon armor insulation.

d. Twisted pairs color coded in accordance with ICEA Method 1, Table E-2, and numbered.

e. Individual and overall aluminum mylar shields and seven strand tinned copper drain wires.

f. Overall black FR-PVC 90 degrees C 600 volt sunlight resistant jacket.

g. UL listed for installation in cable trays in accordance with NEC 336, Class I, Division 2 hazardous areas, and in accordance with NEC 340 and for direct burial.

2.02 CONNECTORS AND SPLICES

A. UL-listed factory-fabricated wiring connectors of size, ampacity rating, material, and type and class for application and for service indicated.

B. Select to comply with Project's installation requirements and as required to meet application.

C. Conductors 10 AWG and Smaller: 3M Electric Products, Skotchlok, or equal pre insulated spring connector. Comply with manufacturer's packaging requirements for number, size, and combination of conductors.

D. Conductors 8 AWG and Larger: Bronze 2-bolt type connectors with spacer.

E. Splices: Burndy Or Equal.

2.03 TERMINATIONS

A. Power Conductors: Compression crimp type or mechanical lugs.

B. Control and Instrumentation Conductors: Compression crimp type fork tongue, insulated support type lugs on terminal strips. Do not splice.

Project No. 14087C 26 05 19-4

PART 3 – EXECUTION

3.01 INSTALLATION

A. Install wires and cables as indicated, according to manufacturer's written instructions and National Electrical Contractors Association (NECA) "Standard of Installation".

B. Run wire and cable in conduit unless otherwise indicated on Drawings. Pull conductors into raceway simultaneously where more than 1 is being installed in same raceway.

1. Use pulling compound or lubricant where necessary; compound used must not deteriorate conductor or insulation.

2. Use pulling means, including fish tape, cable, rope, and basket-weave wire/cable grips that will not damage cables or raceway.

3. Do not draw conductor into conduits until building is enclosed, watertight, and work causing cable damage has been completed.

C. Install cable supports for vertical feeders in accordance with NEC. Provide split wedge type which firmly clamps each individual cable and tightens due to cable weight.

D. For panelboards, cabinets, wireways, switches, and equipment assemblies, neatly form, train, and tie cables in individual circuits.

E. Seal cable and wire entering building from underground between wire and conduit, where cable exits conduit, with non-hardening approved compound.

F. Install wire and cables in separate raceway systems as follows:

1. Exit lights.

2. ac Control.

3. dc control.

4. Shielded instrumentation.

5. Network Cables.

6. Fiber Optic Cables.

7. Intrinsically Safe.

8. As required by NEC.

G. Where control or instrumentation cables are run in underground and/or outdoor conduit and ducts provide multi-wire cable assemblies.

H. Where power cables, instrument/signal cables, and intrinsically safe cables enter and pass through same manhole, handhole or distribution box, steel barrier or separate raceways shall continue through box manhole, handhole to isolate the cables from each other to avoid magnetic and physical interaction between power cables, instrumentation cables, and intrinsically safe cables. In manholes and handholes, provide Type C raceway outlet body with 3/16 inch holes drilled in bottom for drainage.

I. Do not run instrumentation cables into control cabinets or Motor Control Center (MCC) unless cables are terminated in cabinet or MCC.

J. Wiring at Outlets: Install with at least 12 inch (300 millimeter) of slack conductor at each outlet.

K. Connect outlets and components to wiring and to ground as indicated and instructed by manufacturer. Tighten connectors and terminals, including screws and bolts, according to equipment manufacturer's published torque-tightening values for equipment connectors. Where manufacturer's torquing requirements are not indicated, tighten connectors and terminals

Project No. 14087C 26 05 19-5 according to tightening torques specified in UL 486A.

L. Drawings do not designate number of conductors in conduit nor does location of branch circuits and switch legs indicated on Drawings designate location or routing. Route branch circuits and switch legs as dictated by construction and these Specifications.

3.02 TERMINATIONS AND SPLICES

A. Terminate control, instrumentation, and communication cables on terminal strips in separate terminal cabinets located near conduit entrances of buildings or as shown on Drawings.

B. Power Cable Splices (no splices in cables unless approved by Engineer):

1. Provide continuous lengths of cable without splices in motor circuits and feeders unless otherwise noted. Splices may be installed in motor circuits and feeders with prior approval by Engineer.

2. Install splices and taps that possess equivalent or better mechanical strength and insulation ratings than conductors being spliced.

3. Use splice and tap connectors that are compatible with conductor material.

4. Where pre-insulated spring connectors are used for equipment connections, tape connector to wire to prevent loosening under vibration.

5. Each tap, joint or splice in conductors 8 AWG and larger shall be taped with two half-lap layers of vinyl plastic electrical tape and finish wrap of color coding tape where required by code.

6. Cable splices shall be made only in manholes, handholes, wireways, distribution boxes, and junction boxes.

C. Power Cable Terminations:

1. Termination of wires with full compression type or mechanical lugs installed with appropriate hand or hydraulic tool. Use proper dies to achieve the desired compression.

2. For screw type terminal blocks, terminations for stranded conductors shall be made with T & B lock-on fork connector with insulated sleeves.

3. Motor lead conductor terminations shall be made with a T & B or approved equal, full compression lug, full ring type, bolted, and taped as required. For connecting motor lead to service wiring fasten full ring lugs together with cadmium plated steel cap screws, and cover with a minimum of 2 layers 1/2 lap, 3M Scotch No. 33 tape; option: T & B "Motor Stub Splice Insulator".

3.03 CONTROL CIRCUITS

A. Control circuit home runs from same area for the same system returning to same panel, (e.g., Local Controls Panel (LCP), Control Station (CS), etc.,) may be combined provided signal and voltage types are not mixed.

B. Following types of home runs shall not be combined with other types:

1. 4-20 milliamp direct current analog; Type 2 shielded cable.

2. 24 volts direct current discrete (e.g., field or LCP powered dry contacts).

3.04 BRANCH CIRCUITS

A. Motor branch circuits and branch circuits for 3 phase circuits shall not be combined.

B. Branch circuits for single phase equipment devices from same Lighting Panel (LP) or Power Panel (PP) may be combined provided that such combining does not result in having to derate

Project No. 14087C 26 05 19-6 ampacity of conductors.

3.05 FEEDERS:

A. Extend feeders at full capacity from origin to termination.

B. Each conduit raceway shall contain only those conductors constituting single feeder circuit unless otherwise indicated.

C. Where multiple raceways are used for single feeder, each raceway shall contain conductor of each phase and neutral if used.

D. Where feeder conductors are run in parallel, conductors shall be of same length, material, circular-mil area, insulation type, and terminated in same manner.

E. Where parallel feeder conductors run in separate raceways, raceways shall have same physical characteristics.

F. Confine feeders to insulated portions of building unless otherwise shown.

G. On network systems, neutral shall be run with phase wires. Unbalanced neutral current shall not exceed normal or derated conductor capacity.

3.06 MOTORS AND EQUIPMENT WIRING

A. Provide motor circuits in accordance with diagrams and schedules on Drawings and code requirements, from source of supply to associated motor starter and starter to motor terminal box, including necessary and required intermediate connections.

B. Do not include associated control conductors in same conduit with power conductors, unless otherwise indicated.

C. Provide branch circuits to conform with NEC requirements and nameplate ratings. Contractor responsible for verification of ratings of motors and installing proper branch circuits.

3.07 COLOR CODING

A. Conductors for Lighting and Power Wiring:

B. Colored pressure-sensitive plastic tape.

1. Apply in half overlapping turns for minimum of three inches at terminal points, and in junction boxes, pull boxes, troughs, manholes, and handholes.

2. 3/4 inch wide with colors as specified.

3. Apply last two laps of tape with no tension to prevent possible unwinding.

Phase 208/120 volts 480/277 volts

A Black Brown

B Red Orange

C Blue Yellow

Travelers Pink Purple

Neutral White White with non-green stripe

Ground Green Green

Project No. 14087C 26 05 19-7

4. Where cable markings are covered by tape, apply tags to cable stating size and insulation type.

C. Color code for insulated power system wiring shall be in accordance with NEC.

D. Color code for intrinsically safe systems shall be light blue.

3.08 CONTROL, COMMUNICATION AND SIGNAL SYSTEM IDENTIFICATION

A. Install permanent wire marker at termination.

B. Identifying numbers and letters on wire markers shall correspond to those on terminal blocks or wiring diagrams used for installing systems.

C. Plastic sleeve or self adhesive vinyl cloth.

D. In each manhole and handhole, install embossed brass tags to identify system served and function.

E. Comply with Section 10 14 10.

3.09 FEEDER IDENTIFICATION

A. Manholes, handholes, pullboxes, and junction boxes, install metal tags on circuit cables and wires to clearly designate circuit identification and voltage.

B. Provide tags of embossed brass type, in manholes and handholes showing cable type and voltage rating. Attach tags to cables with slip-free plastic cable lacing units.

C. Comply with Section 10 14 10.

3.10 DIRECT BURIAL

A. Direct bury cables only when indicated on Drawings.

B. Trench and backfill in accordance with Section 31 23 33.

C. Top of cable shall be minimum 24 inch below final grade with 3-inch sand fill above and below cables.

D. Roads and Paving:

1. Where direct burial cable crosses under roads or paving, install cable in galvanized steel conduit sleeves a minimum of 30 inch below surface.

2. If paving is in-place when cable is to be installed, wrought iron pipe or galvanized steel conduit may be driven under paving.

3. Extend conduit or pipe 1 foot beyond each side of paving unless otherwise shown on Drawings.

E. Provide horizontal slack in cables for contraction during cold weather.

F. Install cable in continuous lengths without splices, unless otherwise shown on Drawings.

G. Submersible type connections and terminations designed for cables being installed, when indicated.

Project No. 14087C 26 05 19-8

H. Install underground line marking tape along and above buried cable in accordance with Section 10 14 10.

1. Bury 1 foot below surface before final backfilling.

3.11 INSTALLATION IN MANHOLES AND HANDHOLES

A. Install and support cable in manholes, and handholes on steel racks with porcelain or equal insulators. Route cables around interior walls on stainless steel supports, but do not bend to radius less than 6 times overall cable diameter.

B. Electrical Fireproofing:

1. Where low voltage cables are installed in same manholes or handholes with high voltage cables, cover low voltage cable with arcproof fireproof tape.

2. Use same type as for high voltage cables, applied in single layer, one-half lapped or as recommended by manufacturer. Extend not less than 1 inch into each duct.

3. Secure tape in place with random wrap of glass cloth tape.

3.12 FIELD QUALITY CONTROL

A. Test in accordance with Section 26 01 26.

B. Test Values:

1. Evaluation results by comparison with cables of same length and type. Investigate any value less than 50 megohms.

2. Submit reports summarizing the results of the testing.

GROUNDING AND BONDING FOR

ELECTRCIAL SYSTEMS

Project No. 14087C 26 05 26-1

SECTION 26 05 26

GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

PART 1 – GENERAL

1.01 SUMMARY

A. Section Includes:

1. Grounding of electrical systems and equipment and basic requirements for grounding for protection of life, equipment, circuits, and systems.

2. Grounding requirements specified in this Section may be supplemented in other Sections of these Specifications.

1.02 SUBMITTALS

A. Certificates for field testing agency, signed by Contractor, certifying that agency complies with requirements specified in "Quality Assurance" Article below.

B. Report of Field Tests and Observations: Certified by Contractor.

C. Test Results:

1. Certified field tests and observation reports indicating and interpreting test reports for compliance with performance requirements.

D. Submit in accordance with Section 01 33 00.

1.03 QUALITY ASSURANCE

A. Comply with Underwriters Laboratories, Inc (UL) 467.

B. Items provided under this section shall be listed or labeled by UL or other Nationally Recognized Testing Laboratory (NRTL).

1. Term "NRTL" shall be as defined in Occupational Safety and Health Administration (OSHA) Regulation 1910.7.

2. Terms "listed" and "labeled" shall be as defined in National Electrical Code (NEC), Article 100.

C. Regulatory Requirements:

1. NEC: Components and installation shall comply with National Fire Protection Association

(NFPA) 70.

PART 2 – PRODUCTS

2.01 GROUNDING AND BONDING PRODUCTS

A. Governing Requirements: Where types, sizes, ratings, and quantities indicated are in excess of NEC requirements, more stringent requirements and greater size, rating, and quantity indications govern.

2.02 WIRE AND CABLE GROUNDING CONDUCTORS

A. Conform to NEC Table 8, except as otherwise indicated, for conductor properties, including

Project No. 14087C 26 05 26-2 stranding.

1. Material: Copper.

B. Equipment Grounding Conductors: Insulated with green color insulation.

C. Grounding-Electrode Conductors: Stranded cable.

D. Underground Conductors: Bare, tinned, stranded, except as otherwise indicated.

E. Bare Copper Conductors:

1. Solid Conductors: American Society for Testing and Materials (ASTM) B3.

2. Assembly of Stranded Conductors: ASTM B8.

3. Tinned Conductors: ASTM B33.

2.03 MISCELLANEOUS CONDUCTORS

A. Grounding Bus: Bare, annealed-copper bars of rectangular cross section.

B. Braided Bonding Jumpers: Copper tape, braided No. 3/0 American Wire Gauge (AWG) bare copper wire, terminated with copper ferrules.

C. Bonding Straps: Soft copper, 0.05 inch (1 millimeter) thick and 2 inches (50 millimeters) wide, except as indicated.

2.04 CONNECTOR PRODUCTS

A. Pressure Connectors: High-conductivity-plated units.

B. Bolted Clamps: Heavy-duty type.

C. Exothermic-Welded Connections: Provided in kit form and selected per manufacturer's written instructions for specific types, sizes, and combinations of conductors and connected items.

2.05 GROUNDING ELECTRODES AND TEST WELLS

A. Grounding Rods: Copper-clad steel.

1. Size: 3/4 inch by 120 inches (19 by 3000 millimeters).

B. Plate Electrodes: Copper, square or rectangular shape. Minimum 0.10 inch (3 millimeters) thick, size as indicated.

C. Test Wells: Fabricate from 30 inch long, square-cut section of 12-inch diameter, Schedule 80, Polyvinyl Chloride (PVC) pipe with end bell and cast iron cover as detailed on Drawings. Harger 362PS30CILS80 or approved equal.

PART 3 – EXECUTION

3.01 APPLICATION

A. Equipment Grounding Conductors: Comply with NEC Article 250 for types, sizes, and quantities of equipment grounding conductors, except where specific types, larger sizes, or more conductors than required by NEC are indicated.

Project No. 14087C 26 05 26-3

1. Install equipment grounding conductor with circuit conductors for items below in addition to those required by Code:

a. Feeders and branch circuits.

b. Lighting circuits.

c. Receptacle circuits.

d. Single-phase motor or appliance branch circuits.

e. Three-phase motor or appliance branch circuits.

f. Flexible raceway runs.

g. Armored and metal-clad cable runs.

2. Busway Supply Circuits: Install separate equipment grounding conductor from grounding bus in switchgear, switchboard, or distribution panel to equipment grounding-bar terminal on busway.

3. Computer Outlet Circuits: Install separate equipment grounding conductor in branch circuit runs from computer area power panels or power-distribution units.

4. Isolated Grounding-Receptacle Circuits: Install separate insulated equipment grounding conductor connected to receptacle grounding terminal. Isolate grounding conductor from raceway and from panelboard grounding terminals. Terminate at equipment grounding-conductor terminal of applicable derived system or service, except as otherwise indicated.

5. Isolated Equipment Enclosure Circuits: For designated equipment supplied by branch circuit or feeder, isolate equipment enclosure from supply raceway with nonmetallic raceway fitting listed for purpose. Install fitting where raceway enters enclosure and install separate equipment grounding conductor. Isolate equipment grounding conductor from raceway and from panelboard grounding terminals. Terminate at equipment grounding-conductor terminal of applicable derived system or service, except as otherwise indicated.

6. Nonmetallic Raceways: Install equipment grounding conductor in nonmetallic raceways unless they are designated for telephone or data cables.

7. Air-Duct Equipment Circuits: Install equipment grounding conductor to duct-mounted electrical devices operating at 120 volts and above, including air cleaners and heaters. Bond conductor to each unit and to air duct.

8. Water Heater, Heat-Tracing, and Antifrost Heater Circuits: Install separate equipment grounding conductor to each electric water heater, heat-tracing assembly, and antifrost heating cable. Bond conductor to heater units, piping, connected equipment, and components.

B. Separately Derived Systems: Where NEC requires grounding, ground according to NEC Paragraph 250-30.

C. Metal Poles Supporting Outdoor Lighting Fixtures: Ground pole to grounding electrode in addition to separate equipment grounding conductor run with supply branch circuit.

D. Common Ground Bonding with Lightning Protection System: Bond electric power system ground directly to lightning protection system grounding conductor at closest point to electric service grounding electrode. Use bonding conductor sized same as system grounding conductor and install in conduit.

E. Piping Systems and Other Equipment: Comply with NEC Article 250 for bonding requirements.

3.02 INSTALLATION

A. Ground electrical systems and equipment according to NEC requirements, except where Drawings or Specifications exceed NEC requirements.

B. Grounding Rods: Locate minimum of 1 rod length from each other and at least same distance

Project No. 14087C 26 05 26-4 from any other grounding electrode.

1. Drive until tops are 6 inches below finished floor or final grade, except as otherwise indicated.

2. Interconnect with grounding-electrode conductors. Use exothermic welds, except at test wells and as otherwise indicated. Make these connections without damaging copper coating or exposing steel.

C. Grounding Conductors: Route along shortest and straightest paths possible, except as otherwise indicated. Avoid obstructing access or placing conductors where they may be subjected to strain, impact, or damage.

D. Underground Grounding Conductors: Use bare tinned copper wire. Bury at least 24 inches (600 millimeters) below grade.

E. Metal Water Service Pipe: Provide insulated copper grounding conductors, sized as indicated, in conduit, from building's main service equipment, or grounding bus, to main metal water service entrances to building. Connect grounding conductors to main metal water service pipes by grounding-clamp connectors. Where dielectric main water fitting is installed, connect grounding conductor to street side of fitting. Do not install grounding jumper across dielectric fittings. Bond grounding-conductor conduit to conductor at each end.

F. Water Meter Piping: Use braided-type bonding jumpers to electrically bypass water meters.

Connect to pipe with grounding-clamp connectors.

G. Bond interior metal piping systems and metal air ducts to equipment grounding conductors of associated pumps, fans, blowers, electric heaters, and air cleaners. Use braided-type bonding straps.

H. Test Wells: One for each driven grounding electrode system, except as otherwise indicated. Set top of well flush with finished grade or floor.

I. Concrete-Encased Grounding Electrode (grounding building/structure footing): Fabricate according to NEC Article 250 using minimum of 20 feet (6 meters) of bare tinned copper conductor not smaller than No. 4 AWG or minimum 20 feet (6 meters) rebar 1/2 inch or larger in diameter. Bond grounding conductor to reinforcing steel to at least 4 locations, and to anchor bolts. Extend grounding conductor up in foundation wall.

3.03 CONNECTIONS

A. Make connections so possibility of galvanic action or electrolysis is minimized. Select connectors, connection hardware, conductors, and connection methods so metals in direct contact will be galvanically compatible.

1. Use electroplated or hot-tin-coated materials to assure high conductivity and to make contact points closer in order of galvanic series.

2. Make connections with clean, bare metal at points of contact.

3. Make aluminum-to-steel connections with stainless-steel separators and mechanical clamps.

4. Make aluminum-to-galvanized steel connections with tin-plated copper jumpers and mechanical clamps.

5. Coat and seal connections having dissimilar metals with inert material to prevent future penetration of moisture to contact surfaces.

B. Exothermic-Welded Connections: Use for connections to structural steel and for underground connections, except those at test wells. Comply with manufacturer's written instructions. Welds that are puffed up or that show convex surfaces indicating improper cleaning are not acceptable.

Project No. 14087C 26 05 26-5

C. Equipment Grounding-Wire Terminations: For No. 8 AWG and larger, use pressure-type grounding lugs. No. 10 AWG and smaller grounding conductors may be terminated with winged pressure-type connectors.

D. Noncontact Metal Raceway Terminations: Where metallic raceways terminate at metal housings without mechanical and…