Section 16050 Basic Electrical Materials and Methods.pdf

BASIC ELECTRICAL MATERIALS AND METHODS –

16050

95% Submittal – 1/3/2017

SECTION 16050

BASIC ELECTRICAL MATERIALS AND METHODS

PART 1 - GENERAL

1.1 SECTION INCLUDES

A. Coordination of all electrical installations and designs. Installation and placement of the electrical equipment accurately in position, level and plumb. Connecting and adjusting the electrical equipment, and making the electrical installations ready for service.

B. Selection of equipment based on proposed equipment ratings, locations, and conditions to provide for estimated equipment loads and proposed power and lighting circuit ratings.

C. Selecting the equipment and preparing the equipment location, outline and Approved Construction Drawings.

D. Checking, coordinating, and revising, as needed, the electrical equipment ratings and power and lighting circuits based on the selected equipment and Approved Construction Drawings.

1.2 REFERENCES

A. The following standards and codes, standard publications of professional organizations, and the local authorities having jurisdiction may be referenced in this section.

1. American National Standards Institute (ANSI)

2. American Society for Testing and Materials (ASTM)

3. Association of Edison Illuminating Companies (AEIC)

4. Code of Federal Regulations (CFR)

5. Insulated Cable Engineer's Association (ICEA)

6. Institute of Electrical and Electronic Engineers (IEEE)

7. National Electrical Manufacturer's Association (NEMA)

8. National Fire Protection Association (NFPA)

9. NFPA 70, National Electrical Code (NEC)

10. Underwriters' Laboratories, Inc. (UL)

11. State, City, and Local Authorities

1.3 DEFINITIONS

A. Provide: Shall mean furnish and install.

1.4 SUBMITTALS

A. General

1. All submittals shall be in accordance with the requirements of this

Section and Section 1300: Submittals.

2. All drawings and technical data required to be furnished by the

Contractor shall be written in English, and all units of measurements shall be in the English system. All drawings shall be made expressly for this Agreement. Typical drawings are not acceptable. The drawings and data shall be complete and accurate in their content. Originals and all copies shall be legible.

Drawings shall be prepared using Version 2015 AutoCAD format and shall be drawn to scale, and shall have neat lettering.

Freehand sketches will not be accepted.

3. Shop Drawings shall be furnished for all power distribution, conduit and wiring, instrumentation, grounding plan, and control equipment. Shop drawings shall include bills of material, front views, assembly drawings, mounting details, schematic diagrams, elementary diagrams, block diagrams, and wiring diagrams. Shop Drawings shall show overall dimensions and minimum clearances for all electrical equipment. Full-size drawings shall be submitted.

4. The drawings shall be prepared using graphical symbols and device function numbers conforming to the latest applicable standards of ANSI Y32.2, Y32.9 and C37.2.

B. Shop Drawings:

1. Furnish shop drawings, data, and instructions for the proposed equipment. Provide shop drawings for all power distribution, conduit and wiring, instrumentation, grounding plan, and control equipment. Include bills of material, front views, assembly drawings, mounting details, schematic diagrams, elementary diagrams, block diagrams, wiring diagrams, and the following.

Show overall dimensions and minimum clearances for all electrical equipment. Full-size drawings shall be submitted.

a. Equipment locations, outlines, and Approved Construction

Drawings: Equipment locations with respect to the structure, enclosure construction, conduit entries where applicable, grounding plan showing ground rod locations, dimensions, arrangement of components within the enclo-sures, and section arrangement.

b. Bills of material: Information for each piece of equipment including type, style, manufacturer, and other pertinent information such as scales, trip ratings, settings, and other information, as applicable.

c. Nameplates: Provide information on material, sizes, and engraved lettering.

d. Schematic Diagrams: Show complete functional operation of the equipment including equipment devices and components that are identifiable by reference to the bill of material item.

e. Wiring diagram: Show complete wiring of the equipment devices and components including terminal block numbers and wire (conductor) designations.

f. Manufacturer's data: Clearly mark catalog cut sheets and other data to indicate the item being provided. The data shall provide sufficient comprehensive product information to fully demonstrate that the product meets the requirements of these Technical Specifications.

g. Luminaire data: Data on luminaries other than those specified shall include tabulated candlepower and angle data that describe the photometry distribution of the luminaries. Multiplane candlepower and angle data shall be furnished for luminaries having an asymmetrical distribution. Candlepower distribution curves are not acceptable.

C. Final Drawings:

1. Furnish final drawings in Version 2015 AutoCAD format for all electrical system design drawings. Show all changes and revision dates made up to the time the drawings are furnished. Show "as-built" equipment and installations that apply specifically to the equipment actually furnished. No equipment shall be shipped until the drawings have been updated to show the equipment at the time of shipment. Provide the following final drawings:

a. Outlines and location of equipment relative to the structure.

b. Grounding plan and location of ground rods and grounding connections.

c. Nameplate lists.

d. Bills of material.

e. Location of conduit hubs, knockouts, openings, and pull boxes.

f. Schematic diagrams.

g. Wiring diagrams.

h. Instrumentation equipment installation details and wiring diagrams.

i. SCADA terminal block wiring diagram.

D. Test Reports

1. The Contractor shall submit to the Engineer certified copies of test reports, where required. Equipment tests are defined within the specific equipment requirement Sections elsewhere in these Technical Specifications.

E. Quality Control:

1. Certified copies of test reports, where required, for the grounding system and equipment. Ground resistance or equipment, that does not successfully pass the testing requirements, will be rejected. Equipment tests are defined within the specific equipment requirement Sections elsewhere in these Technical Specifications.

F. Operation and Maintenance Instructions, Descriptive Data, and Bills of Material

1. Each set of material shall be assembled into one encasing cover with a front index sheet.

2. The operation and maintenance instructions shall be descriptive data that apply specifically to the equipment furnished and shall include the features pertaining to operation, maintenance, control, relaying, instrumentation, programming, and other features.

3. Descriptive data and bills of material shall describe the components furnished. These data shall be such that the components can be identified as to manufacturer, type, rating, characteristics, and other identification so that a component to be replaced could be ordered from the description furnished.

4. A copy of each panel board directory shall be included in the manual.

5. Measured gate motor starting current and running amperes.

1.5 QUALITY ASSURANCE

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.

B. Comply with NFPA 70, the National Electrical Code.

C. All equipment and materials will be new and unused and shall conform to the current applicable industry standards. Workmanship and neat appearance shall be as important as electrical and mechanical operation.

Defective or damaged materials shall be replaced or repaired prior to final acceptance in a manner meeting approval of Architect and/or Engineer and at no additional cost to the Company.

D. All materials and equipment shall be installed in accordance with printed recommendations of the manufacturer, which have been reviewed by the Architect and/or Engineer. Workers skilled in this type of work shall accomplish the installation and the installation shall be coordinated in the field with other trades so that interferences are avoided.

E. All work, including installation, connection, calibration, testing, and adjustment, shall be accomplished by qualified, experienced personnel working under continuous, competent supervision. The completed installation shall display competent work, reflecting adherence to prevailing industrial standards and methods.

1.6 SEQUENCING AND COORDINATION

A. The electrical system construction sequence shall follow the general Project sequence.

B. Coordinate chases, slots, inserts, sleeves, and openings with general construction Work and arrange in structures during progress of construction to facilitate the electrical installation.

C. Sequence, coordinate, and integrate installing electrical materials and equipment for efficient flow of the Work. Coordinate installing large equipment requiring positioning before closing in the structures.

D. Coordinate electrical service connections to components furnished by utility companies.

1. Coordinate installation and connection of exterior underground and overhead utilities and services, including provision for electricity-metering components.

2. Comply with requirements of authorities having jurisdiction and of utility company providing electrical power and other services.

E. No Work shall be concealed until after inspection and approval by proper authorities. If Work is concealed without inspection and approval, expose Work, obtain inspections and approvals, and restore the concealed work.

F. Where electrical identification devices are applied to field-finished surfaces, coordinate installation of identification devices with completion of finished surface.

1.7 AREA DESIGNATIONS

A. General Purpose Locations

1. Electrical Work installed in areas, which are not otherwise specifically classified, shall be “General Purpose”. Workmanship and enclosures shall comply with the general requirements of these Technical Specifications. Enclosures shall be NEMA Type 1/IP23 or 12/IP-55 as shown on the Approved Construction Drawings.

B. Outdoor Locations

1. In outdoor locations, raceway shall be Schedule 40 or 80 PVC conduits. Entrances shall be threaded; and fittings shall have gasketed covers. Threaded fastening hardware shall be stainless steel. Mounting brackets shall be galvanized. Attachments or welded assemblies shall be galvanized after fabrication. Control cabinets, instrument panels, safety switch, junction boxes, and transfer switch cabinets shall be weatherproof NEMA Type 3R/IP- 64, 4/IP66, 4X/IP66 as shown on the Drawings. Enclosures shall be mounted one-quarter inch from walls to provide an air space, unless specifically shown otherwise.

C. Damp Location

1. Locations which are indoors and 24 inches below grade elevation or which are classified as damp locations on the Approved Construction Drawings shall have electrical installations which conform to the requirements for outdoor locations; except, that the air space from walls may be less than one quarter inch and enclosures shall be NEMA Type 4/IP-66, 4X/IP66, or 12/IP-65 as shown on the Approved Construction Drawings. “Damp locations” shall include pipe galleries, pump pits, vaults and basements. All rooms housing liquid handling equipment are also classified as damp locations regardless of grade elevation.

1.8 COORDINATION

A. All electrical/mechanical controls to be furnished under this contract, including those furnished under this Division and those furnished under other Sections of these Technical Specifications, shall be designed, coordinated, tested, and initially operated by the Contractor. For purchases of particular pieces of equipment from manufacturers as off-the-shelf equipment, it will not be necessary to redesign the controls, but the equipment shall be integrated in the overall design and schematic and wiring diagrams shall be prepared to show connections between components furnished by different manufacturers.

PART 2 - PRODUCTS

2.1 EQUIPMENT AND MATERIALS

A. All equipment nameplates shall be in English. All signs and symbols shall be in accordance with ANSI Y32.2.

B. Mounting bolts, nuts, and washers for items of electrical equipment shall be ASTM A276Type 316 stainless steel. Cadmium-plated mounting hardware will not be permitted.

C. Door latching mechanisms on the electrical equipment enclosure shall include combination handle and cylinder-type locks. Handles and locks made of pot metal will not be acceptable. The keys shall be removable in both the locked and unlocked position. Where possible, all locks shall be keyed alike. An identifying serial number shall be stamped on each lock and the associated key. A total of five keys shall be furnished for each differently keyed lock.

D. Furnish and install shims, grout, expansion anchors, wood blocking, anchor bolts, screws, nuts, washers, and all other hardware and incidentals required to complete the electrical installation.

E. If furnished electrical equipment and materials are of such size, type, ratings, or other physical properties that changes are required in the Contractor's approved designs, it shall be the responsibility of Contractor to effect all changes necessary as required and approved by Engineer.

F. Nameplates shall be fabricated from white center, blackface laminated plastic engraving stock. Each nameplate shall be fastened securely, using fasteners of brass, cadmium plated steel, or stainless steel, installed into inserts or tapped holes, as required. Engraved characters shall be block style of adequate size to be read easily at a distance of 6 feet with no characters smaller than 1/8-inch high.

2.2 EQUIPMENT FOR UTILITY COMPANY'S ELECTRICITY METERING

A. Current-Transformer Cabinets: Comply with requirements of Y-E Electric, Inc. and their Standards for Electrical Installations.

B. Meter Sockets: Comply with requirements of Y-E Electric, Inc. and their Standards for Electrical Installations.

2.3 TOUCHUP PAINT

A. For Equipment: Equipment manufacturer's paint selected to match installed equipment finish.

B. Galvanized Surfaces: Zinc-rich paint recommended by item manufacturer.

2.4 TOOLS

A. Furnish all special tools and appliances as required for maintenance and adjustment of electrical equipment.

B. Furnish all additional tools and equipment as necessary to properly install, adjust, and check the operation of the electrical equipment.

PART 3 - EXECUTION

3.1 ELECTRICAL EQUIPMENT INSTALLATION

A. General

1. Installation of electrical equipment shall be in accordance with the manufacturer's installation instructions. Nuts and bolts used in electrical equipment assembly and installation shall be tightened by the use of torque wrenches to torque values recommended by the equipment manufacturer.

2. Make all electrical wire, cable, conduit, and grounding connections and furnish all miscellaneous materials that are required for making these connections to the equipment.

3. Drill all holes and provide all fastenings required for mounting or installing electrical equipment and materials.

4. Any electrical equipment installed on concrete foundations shall be given full and even bearing by being grouted in place. Grouting shall be in accordance with Section 03601: Non-Shrink Grout.

5. Repair of damage to painted and/or galvanized surfaces shall be made to the satisfaction of the Company.

B. Equipment Identification

1. The completed electrical installation shall be provided with adequate identification of circuits and equipment to assist personnel during maintenance.

2. Nameplates shall be provided for all panelboards, panels, starters, switches, and push button stations. In addition to the nameplates shown, control devices shall be equipped with standard collar type legend plates, as required.

3. Control devices within enclosures shall be identified with nameplates.

4. Terminal strips shall be identified by imprinted marker strips.

5. Wire and cable identification tags shall be Black Natvar tubing with label deeply embedded using Kingsley white stamping foil;

Raychem thermo fit marker; Alliance Industrial Products Co. white plastic marker with black label marking; Marked Flexrite Shrinkdown HT-105 tubing; Action craft heat shrinkable polyolefin marker; or approved equal.

C. Headroom Maintenance: If mounting heights or other location criteria are not indicated, arrange and install components and equipment to provide the maximum possible headroom.

D. Equipment: Install to facilitate service, maintenance, and repair or replacement of components. Adhere to clearances required by the NEC, NFPA 70. Connect for ease of disconnecting, with minimum interference with other installations.

E. Right of Way: Give to raceways and piping systems installed at a required slope.

3.2 FIRESTOPPING

A. Apply firestopping to cable and raceway penetrations of fire-rated floor and wall assemblies to achieve fire-resistance rating of the assembly.

3.3 CUTTING AND PATCHING

A. Cut, channel, chase, and drill floors, walls, partitions, ceilings, and other surfaces required to permit electrical installations. Perform cutting by skilled mechanics of trades involved.

B. Coordinate the repair and refinish of disturbed finish materials and other surfaces with the appropriate trade to have areas restored to match adjacent undisturbed surfaces. Install new fireproofing where existing firestopping has been disturbed. Repair and refinish materials and other surfaces by skilled mechanics of trades involved.

3.4 FIELD TESTING AND STARTUP

A. After the electrical installations have been completed, operationally test the electrical equipment and circuits installed under these Technical Specifications, unless specifically indicated otherwise herein, to demonstrate that the requirements of these Technical Specifications have been fulfilled. Prior to the operational tests, check out the electrical equipment and wiring and provide service, equipment, and materials as indicated below, and the sequence of this work and service shall be as follows:

1. Make a complete wiring check, including conductor continuity checks, of the entire installation and, when necessary, make wire changes, adjust settings, and make equipment replacements for the proper functioning of the installation so that it conforms to Technical Specifications requirements.

2. Identify and test each electrical control circuit and furnish certified test sheets.

3. During a period of time agreed to by Contractor and Engineer, a representative of the Contractor shall examine and check all electrical protective devices and sequence of operation of electrical controls for proper functioning and settings.

B. Have available at the construction site drawings that show the electrical installation at the time of the examination, instruction books, equipment tests reports, coordination curves, and data.

C. Immediately prior to the acceptance tests, clean all luminaries, replace all broken and/or burned-out lamps, and service all electrical equipment in accordance with manufacturer's instructions.

D. While performing the functions of testing and checkout, retain full responsibility for the removal and replacement of any wiring connections.

E. Make wiring changes, setting adjustments, equipment replacements, or other revisions, which are necessary for the proper and adequate functioning of the installation.

F. Replace any wiring, instruments, or equipment that may be damaged in the checkout process, unless this damage results from the negligence of the Company.

G. The wiring checkout shall include the insulation test of all insulated conductors.

H. Provide competent personnel at the Site to process the checkout and complete the following:

1. Test all switches for correct operation.

2. Test all plug receptacles for correct polarity and grounding system continuity. Ground fault interrupter (GFI) outlets shall be tested for proper operation.

3. Test all luminaries for faulty connections and bad or broken com-ponents.

4. Test and calibrate all instrumentation systems for proper operation.

5. Test all motor control circuits for proper operation and all motors for proper shaft rotation.

6. Test grounding system for proper resistance.

3.5 FIELD QUALITY CONTROL

A. Inspect installed components for damage and faulty Work, including the following:

1. Raceways

2. Conductors and Cables

3. Supporting Devices for Electrical Components

4. Electrical Identification

5. Cutting and Patching for Electrical Construction

6. Touchup Painting

3.6 CLEANING AND PROTECTION

A. On completion of installation, including outlets, fittings, and devices, inspect exposed finish. Remove burrs, dirt, paint spots, and construction debris.

B. Protect equipment and installations and maintain conditions to ensure that coatings, finishes, and cabinets are without damage or deterioration at time of Substantial Completion.

- END OF SECTION 16050 -