Appendix_D_-_16050-Electrical_Work.pdf

16050-1 February 2020

SECTION 16050

ELECTRICAL WORK, GENERAL

PART1 -- GENERAL

1.1 REQUIREMENTS

A. The Contractor shall provide electrical Work, complete and operable, in accordance with the Contract Documents.

B. The provisions of this Section apply to all sections in Division 16, except as indicated otherwise.

C. The Work of this Section is required for operation of electrically-driven equipment provided under specifications in other Divisions. The Contractor’s attention is directed to the requirement for proper coordination of the Work of this Section with the Work of equipment specifications and the Work of instrumentation sections.

D. Concrete, excavation, backfill, and steel reinforcement required for encasement, installation, or construction of the Work of the various sections of Division 16 is included as a part of the Work under the respective sections, including duct banks, manholes, handholes, equipment housekeeping pads, and light pole bases.

1.2 REFERENCE STANDARDS

A. The Work of this Section and all sections in Division 16 shall comply with the following current editions as applicable:

NEC (NFPA 70) National Electrical Code

NETA International Electrical Testing Association

NEMA 250 Enclosure for Electrical Equipment (1000 Volts

Maximum)

B. Electrical equipment shall be listed by and shall bear the label of Underwriters' Laboratories, Inc. (UL) or an independent testing laboratory acceptable to the local code enforcement agency having jurisdiction.

C. Installation of electrical equipment and materials shall comply with OSHA Safety and Health Standards (29 CFR 1910 and 29 CFR 1926, as applicable), state building standards, and applicable local codes and regulations.

D. Where the requirements of the specifications conflict with UL, NEMA, NFPA, or other applicable standards, the more stringent requirements shall govern.

1.3 SIGNAGE AND MARKINGS

A. Identification: Provide danger, caution, and warning signs and equipment identification markings in accordance with applicable federal and state OSHA and

16050-2 February 2020

NEC requirements.

1.4 PUBLIC UTILITIES REQUIREMENTS

A. The Contractor shall contact the serving utility and verify compliance with requirements before construction. The Contractor shall coordinate schedules and payments for work by all utilities.

B. Electrical service shall be as indicated and be as required by the serving utility.

C. The Contractor shall verify and provide service conduits, fittings, grounding devices, and service wires not provided by the serving utility.

D. The Contractor shall verify with the utility the exact location of each service point and type of service and shall pay charges levied by the serving utilities as part of the Work.

1.5 PERMITS AND INSPECTION

A. Permits shall be obtained, and inspection fees shall be paid according to the General Conditions.

B. The Contractor shall pay connection and turn-on service charges required by the utility company.

1.6 CONTRACTOR SUBMITTALS

A. Furnish submittals in accordance with Section 01300 - Contractor Submittals.

B. Shop Drawings: Include the following:

1. Complete material lists stating manufacturer and brand name of each item or class of material.

2. Shop Drawings for all grounding Work not specifically indicated.

3. Front, side, rear elevations, and top views with dimensional data.

4. Location of conduit entrances and access plates.

5. Component data.

6. Connection diagrams, terminal numbers, internal wiring diagrams, conductor size, and cable numbers.

7. Method of anchoring, seismic requirements, weight.

8. Types of materials and finish.

9. Nameplates.

10. Temperature limitations, as applicable.

11. Voltage requirement, phase, and current, as applicable.

12. Front and rear access requirements.

16050-3 February 2020

13. Test reports.

14. Grounding requirements.

15. Catalog cuts or photocopies of applicable pages of bulletins or brochures for mass produced, non-custom manufactured material. Catalog data sheets shall be stamped to indicate the project name, applicable Section and paragraph, model number, and options. This information shall be marked in spaces designated for such data in the Engineer’s stamp.

C. Shop Drawings shall be custom prepared. Drawings or data indicating "optional" or "as required" equipment are not acceptable. Options not proposed shall be crossed out or deleted from Shop Drawings.

D. Materials and Equipment Schedules: The Contractor’s shall deliver to the Engineer of Record (Engineer) within 30 days of the commencement date in the Notice to Proceed, a complete list of materials, equipment, apparatus, and fixtures proposed for use. The list shall include type, sizes, names of manufacturers, catalog numbers, and such other information required to identify the items.

1.7 AREA DESIGNATIONS

A. General

1. Raceway system enclosures shall comply with Section 16110 - Electrical Raceway Systems.

2. Electric Work specifically indicated in sections within any of the Specifications shall comply with those requirements.

3. Installations in hazardous locations shall conform strictly to the requirements of the Class, Group, and Division indicated. Lift station wet well is classified as Class I, Division 1 area.

B. Material Requirements

1. NEMA 4X enclosures shall be 316L stainless steel.

1.8 TESTS

A. The Contractor shall be responsible for factory and field tests required by specifications in Division 16 and by the Engineer or other authorities having jurisdiction. The Contractor shall furnish necessary testing equipment and pay costs of tests, including replacement parts and labor, due to damage resulting from damaged equipment or from testing and correction of faulty installation.

B. Where test reports are indicated, proof of design test reports for mass-produced equipment shall be submitted with the Shop Drawings, and factory performance test reports for custom-manufactured equipment shall be submitted and be approved prior to shipment. Field test reports shall be submitted for review prior to Substantial Completion.

C. Equipment or material that fails a test shall be removed and replaced.

PART 2-- PRODUCTS

16050-4 February 2020

2.1 GENERAL

A. Equipment and materials shall be new, shall be listed by UL, and shall bear the UL label where UL requirements apply. Equipment and materials shall be the products of experienced and reputable manufacturers in the industry. Similar items in the Work shall be products of the same manufacturer. Equipment and materials shall be of industrial grade standard of construction.

B. Where a NEMA enclosure type is indicated in a non-hazardous location, the Contractor shall utilize that type of enclosure, despite the fact that certain modifications such as cutouts for control devices may negate the NEMA rating.

C. On devices indicated to display dates, the year shall be displayed as 4 digits.

2.2 MOUNTING HARDWARE

A. Miscellaneous Hardware

1. Nuts, bolts, and washers shall be 316L stainless steel.

2. Threaded rods for trapeze supports shall be continuous threaded, 316L stainless steel, 3/8-inch diameter minimum.

3. Strut for mounting of conduits and equipment shall be 316L stainless steel.

Strut shall be as manufactured by Unistrut, B-Line, or approved equal.

2.3 ELECTRICAL IDENTIFICATION

A. Nameplates: Nameplates shall be fabricated from white-letter, black-face laminated plastic engraving stock, Formica type ES-1, or equal. Each shall be fastened securely, using fasteners of brass, cadmium plated steel, or 316L stainless steel, screwed into inserts or tapped holes as required. Engraved characters shall be block style with no characters smaller than 1/8-inch top to bottom.

B. Conductor and Equipment Identification: Conductor and equipment identification devices shall be either machine imprinted plastic-coated cloth marking devices such as manufactured by Brady, Thomas & Betts, or equal, or shall be heat-shrink plastic tubing, machine imprinted split-sleeve markers cemented in place, or equal. The entire conductor identification shall be printed on a single label.

Conductor labels shall not be pieced together with “all-purpose” label numbers.

Generic wire labels, such as those in “wire marker books”, are not acceptable.

Handwritten conductor and equipment labels are not acceptable.

2.4 SITE LIGHT

A. Light Fixture: The light fixture shall be LED and have a minimum of 4700 lumens with a color temperature of 4000oK, and be suitable for operation on 120 VAC.

The light fixture shall be painted gray and furnished with a bird deterrent spike and a pole top tenon horizontal arm bracket. The horizontal arm bracket shall be painted the same color as the light fixture and be no longer than 18”. The light fixture shall be manufactured by Leotek Lite-On Group, ECobra-Head LED Street Light series, model EC1 4M MV NE 5 GY 1A LPCR PTB BSK.

B. Light Pole: The light pole shall be tapered square concrete, Class B, Medium Duty, designed for direct embedment. The light pole shall have a minimum of 150 MPH EPA rating with the light fixture installed. The light pole shall have a

16050-5 February 2020 mold finish and a handhole box located 18” above finished grade. The light pole shall be furnished with a minimum #6 AWG stranded copper ground wire. The light pole shall have a 2” pole top tenon for mounting the light fixture. The light pole shall have an installed height above grade of 20’ and a minimum embedment depth of 5’. The light pole shall be manufactured by StressCrete or Engineer approved equal.

PART 3 -- EXECUTION

3.1 GENERAL

A. Incidentals: The Contractor shall provide all materials and incidentals required for a complete and operable system, even if not required explicitly by the Specifications or the Drawings. Typical incidentals are terminal lugs not furnished with vendor supplied equipment, compression connectors for cables, splices, junction and terminal boxes, and control wiring required by vendor furnished equipment to connect with other equipment indicated in the Contract Documents.

B. Field Control of Location and Arrangement: The Drawings diagrammatically indicate the desired location and arrangement of outlets, conduit runs, equipment, and other items. Exact locations shall be determined by the Contractor in the field based on the physical size and arrangement of equipment, finished elevations, and other obstructions. Locations on the Drawings, however, shall be followed as closely as possible.

C. Workmanship: Materials and equipment shall be installed in strict accordance with printed recommendations of the manufacturer. Installation shall be accomplished by workers skilled in the work. Installation shall be coordinated in the field with other trades to avoid interferences. Attempts to install electrical equipment by unskilled laborers or persons trained in another trade usually results in an unsatisfactory result and will be rejected.

D. Protection of Equipment and Materials: The Contractor shall fully protect materials and equipment against damage from any cause. Materials and equipment, both in storage and during construction, shall be covered in such a manner that no finished surfaces will be damaged, marred, or splattered with water, foam, plaster, or paint. Moving parts shall be kept clean and dry. The Contractor shall replace or refinish damaged materials or equipment, including faceplates of panels and switchboard sections as part of the Work.

3.2 CORE DRILLING

A. The Contractor shall perform core drilling required for installation of raceways through concrete walls and floors. Locations of floor penetrations, as may be required, shall be based on field conditions. Verify all exact core drilling locations based on equipment actually furnished as well as exact field placement. To the extent possible, identify the existence and locations of encased raceways and other piping in existing walls and floors with the Owner prior to any core drilling activities. Damage to any encased conduits, wiring, and piping shall be repaired as part of the Work.

3.3 EQUIPMENT ANCHORING

A. Equipment shall be anchored to floors, walls, and ceilings using 316 stainless steel hardware approved for the means. Fasteners into concrete shall be epoxy type anchor bolts. Anchor bolts shall be installed in factory mounting holes in the equipment and sized to fit the mounting hole; washers shall not be used for the

16050-6 February 2020 purpose to fill an oversized mounting hole. Equipment shall be mounted in accordance with the manufacturer’s instructions. Equipment mounted outdoors shall be designed to withstand wind loads per the latest edition of the Florida Building Code; equipment supports in addition to the manufacturer’s mounting hole locations shall be installed as necessary to meet the required wind load.

3.4 EQUIPMENT IDENTIFICATION

A. General: Equipment and devices shall be identified as follows:

1. Nameplates shall be provided for panelboards, control and instrumentation panels, starters, switches, and pushbutton stations. In addition to nameplates, control devices shall be equipped with standard collar-type legend plates.

2. Control devices within enclosures shall be identified as indicated.

Identification shall be similar to the subparagraph above.

3. Equipment names and tag numbers, where indicated on the Drawings, shall be utilized on nameplates.

3.5 CLEANING

A. Before final acceptance, the electrical Work shall be thoroughly cleaned.

Exposed parts shall be thoroughly cleaned of cement, plaster, and other materials. Oil and grease spots shall be removed with a non-flammable cleaning solvent. Such surfaces shall be carefully wiped and cracks and corners scraped out. Touch-up paint shall be applied to scratches on panels and cabinets.

Electrical cabinets or enclosures shall be vacuum-cleaned.

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