BLM_NW31_Addenda_1_0001.pdf

APRIL 2022 Architect’s Project No: NWBLM2021_DO31

NIFC 405-HNG FIRE SAFETY SYSTEM REPLACEMENT

ADDENDUM #1

ADDENDUM NO.: 1

DATE: 04.20.2022

PROJECT: NIFC 405-HNG FIRE SAFETY SYSTEM REPLACEMENT

OWNER: Bureau of Land Management

National Interagency Fire Center

ARCHITECT: CTA Architects Engineers dba CUSHING TERRELL

800 W. Main St., Suite. 800

Boise, Idaho 83702

TO: Bidders

This Addendum forms a part of the Contract Documents. It modifies them as follows:

SPECIFICATIONS

MODIFY – Specifications Section - PANELBOARDS Page 262416 - 5

On Specification Section 262416 DELETE paragraph 2.7 in its entirety, as noted below:

1.1 ACCESSORY COMPONENTS AND FEATURES

A. Furnish accessory set including tools and miscellaneous items required for overcurrent protective device test, inspection, maintenance, and operation.

B. Furnish portable test set to test functions of solid-state trip devices without removal from panelboard.

DRAWINGS

ELECTRICAL

SHEET E002

MODIFY – Revise one line diagram to indicate available fault current at replacement panel 100.

END OF ADDENDUM #1

PROJECT MANUAL CERTIFICATION

for

Bureau of Land Management

National Interagency Fire

Center

Boise, Idaho

HNG Fire Safety System

Replacement

NIFC 405

October 2021

April 2022 - addendum 1.

Prepared by: Cushing Terrell

ARCHITECTS AND ENGINEERS

PRACTICING AS

CTA Architects Engineers dba Cushing Terrell

Architect / Engineers

800 W. Main St., Suite 800

Boise, Idaho 83702

208.336.4900

PRACTICING AS

North Wind Infrastructure and Technology

1425 Higham St.

Idaho Falls, Idaho 83402-1513

208.557.7866

Architect’s Project No: NWBLM2021_DO31

Tyler B Victorino

Electrical Engineer Reg. No. 14056

Divisions 26-28

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OCTOBER 2021 PANELBOARDS

NIFC 405-HNG FIRE SAFETY SYSTEM REPLACEMENT 262416 - 1

SECTION 262416 - PANELBOARDS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Distribution panelboards.

2. General lighting and appliance branch-circuit panelboards.

1.3 DEFINITIONS

A. EMI: Electromagnetic interference.

B. GFCI: Ground-fault circuit interrupter.

C. RFI: Radio-frequency interference.

D. RMS: Root mean square.

E. SPDT: Single pole, double throw.

F. SPD: Surge Protective Device

1.4 SUBMITTALS

A. Product Data: For each type of panelboard, overcurrent protective device, transient voltage suppression device, accessory, and component indicated. Include dimensions and manufacturers' technical data on features, performance, electrical characteristics, ratings, and finishes.

B. Shop Drawings: For each panelboard and related equipment.

1. Dimensioned plans, elevations, sections, and details. Show tabulations of installed devices, equipment features, and ratings. Include the following:

a. Enclosure types and details for types other than NEMA 250, Type 1.

b. Bus configuration, current, and voltage ratings.

c. Short-circuit current rating of panelboards and overcurrent protective devices.

d. UL listing for series rating of installed devices.

NIFC 405-HNG FIRE SAFETY SYSTEM REPLACEMENT 262416 - 2

e. Features, characteristics, ratings, and factory settings of individual overcurrent protective devices and auxiliary components.

2. Wiring Diagrams: Power, signal, and control wiring.

C. Panelboard Schedules: For installation in panelboards. Submit final versions after load balancing.

D. Operation and Maintenance Data: For panelboards and components to include in emergency, operation, and maintenance manuals. In addition to items specified in Division 01 Section

"Operation and Maintenance Data," include the following:

1. Manufacturer's written instructions for testing and adjusting overcurrent protective devices.

2. Time-current curves, including selectable ranges for each type of overcurrent protective device.

1.5 COORDINATION

A. Coordinate layout and installation of panelboards and components with other construction that penetrates walls or is supported by them, including electrical and other types of equipment, raceways, piping, and encumbrances to workspace clearance requirements.

1.6 EXTRA MATERIALS

A. Furnish extra materials described below that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Keys: Six spares for each type of panelboard cabinet lock.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:

1. Panelboards, Overcurrent Protective Devices, Controllers, Contactors, and Accessories:

a. Eaton Corporation; Cutler-Hammer Products.

b. General Electric Co.; Electrical Distribution & Protection Div.

c. Siemens Energy & Automation, Inc.

d. Square D.

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2.2 MANUFACTURED UNITS

A. Fabricate and test panelboards according to IEEE 344 to withstand seismic forces defined in

Division 26 Section "Seismic Controls for Electrical Systems."

B. Enclosures: Flush- and surface-mounted cabinets as indicated on the Construction Documents.

1. NEMA rating as indicated on Construction Documents Panel Schedules and Risers.

2. Front: Secured to box with concealed trim clamps. For surface-mounted fronts, match box dimensions; for flush-mounted fronts, overlap box.

3. Standard Hinged Front Cover: Entire front trim hinged to box and with standard door-in-door within hinged trim cover.

4. Gutter Extension and Barrier: Same gage and finish as panelboard enclosure; integral with enclosure body. Arrange to isolate individual panel sections.

5. Finish: Manufacturer's standard enamel finish over corrosion-resistant treatment or primer coat.

6. Directory Card: With transparent protective cover, mounted in metal frame, inside panelboard door.

C. Phase and Ground Buses:

1. Material: Hard-drawn copper, 98 percent conductivity.

2. Equipment Ground Bus: Adequate for feeder and branch-circuit equipment ground conductors; bonded to box.

3. Neutral Bus: Neutral bus rated minimum 100 percent of phase bus and UL listed as suitable for nonlinear loads.

4. Split Bus: Vertical buses divided into individual vertical sections.

D. Conductor Connectors: Suitable for use with conductor material.

1. Main and Neutral Lugs: Mechanical type.

2. Ground Lugs and Bus Configured Terminators: Mechanical type.

3. Feed-Through Lugs: Mechanical type suitable for use with conductor material. Locate at opposite end of bus from incoming lugs or main device.

E. Service Equipment Label: UL labeled for use as service equipment for panelboards with main service disconnect switches.

F. Future Devices: Mounting brackets, bus connections, and necessary appurtenances required for future installation of devices.

2.3 PANELBOARD SHORT-CIRCUIT RATING

A. Fully rated to interrupt symmetrical short-circuit current available at terminals.

2.4 GENERAL LIGHTING AND APPLIANCE BRANCH-CIRCUIT PANELBOARDS

A. Branch Overcurrent Protective Devices: Bolt-on circuit breakers, replaceable without disturbing adjacent units. Coordinate paragraph below with Drawings.

NIFC 405-HNG FIRE SAFETY SYSTEM REPLACEMENT 262416 - 4

B. Doors: Concealed hinges; secured with flush latch with tumbler lock; keyed alike.

2.5 OVERCURRENT PROTECTIVE DEVICES

A. Molded-Case Circuit Breaker: UL 489, with interrupting capacity to meet available fault currents. Breaker type shall be thermal magnetic, unless indicated otherwise in Construction

Documents Schedules or as required by manufacturer.

1. Thermal-Magnetic Circuit Breakers: Inverse time-current element for low-level overloads, and instantaneous magnetic trip element for short circuits. Adjustable magnetic trip setting for circuit-breaker frame sizes 50 A and larger.

2. Adjustable Instantaneous-Trip Circuit Breakers: Magnetic trip element with front-mounted, field-adjustable trip setting.

3. Molded-Case Circuit-Breaker Standard Features and Accessories: Standard frame sizes, trip ratings, and number of poles.

a. Lugs: Mechanical style, suitable for number, size, trip ratings, and conductor materials.

b. Application Listing: Appropriate for application; Type SWD for switching fluorescent lighting loads; Type HACR for heating, air-conditioning, and refrigerating equipment.

4. Molded-Case Circuit Breaker Special Features and Accessories: (Only where indicated in

Construction Documents Schedules or notes.)

a. GFCI Circuit Breakers: Single- and two-pole configurations with 30-mA trip sensitivity, 5-mA trip for breakers serving GFCI receptacle circuits.

2.6 SURGE PROTECTION DEVICES

A. General Requirements:

1. Fabrication using bolted compression lugs for internal wiring.

2. Redundant suppression circuits.

3. Arrangement with copper bus bars and for bolted connections to phase buses, neutral bus, and ground bus.

4. Arrangement with wire connections to phase buses, neutral bus, and ground bus.

5. Form-C contacts rated at 5 A and 250-V ac, one normally open and one normally closed, for remote monitoring of protection status. Contacts shall reverse on failure of any surge diversion module or on opening of any current-limiting device. Coordinate with building power monitoring and control system.

6. SPD shall be listed to UL 1449 Edition 3 as a Type 1 or Type 2 product.

7. The UL 1449 Edition 3 Nominal Discharge Current shall be 20 kA. Products with less than a 20 kA nominal discharge current listing shall not be accepted.

8. MCOV shall be greater than 115 percent of nominal operating voltage.

9. SPD shall have a UL 1449 Edition 3 listed short circuit current rating of 200 SCCR.

10. SPD shall protect all modes via L-N, L-G and N-G modes of protection.

11. The /SPD shall have the following status indications:

NIFC 405-HNG FIRE SAFETY SYSTEM REPLACEMENT 262416 - 5

a. LED indication for each line or phase.

b. LED indication for overall status.

c. Fault indication for each mode.

12. SPD shall have an audible alarm with silencing switch to indicate when protection has failed.

13. SPD shall have a six digit, non-resettable surge counter.

14. SPD shall have an integrated disconnect for safe field service.

15. SPD shall have modular, field replaceable components.

B. Main Service Panels:

1. SPD shall have a 240 kA per phase surge rating.

2. SPD UL 1449 Edition 3 listed Voltage Protection Rating (VPR) shall not exceed the following:

a. 120/208; L-N, L-G, N-G = 800V, L-L 1200V.

3. At least -40 dB at 100 kHz EMI/RFI shall be provided.

2.7 ACCESSORY COMPONENTS AND FEATURES

A. Furnish accessory set including tools and miscellaneous items required for overcurrent protective device test, inspection, maintenance, and operation.

B. Furnish portable test set to test functions of solid-state trip devices without removal from panelboard.

PART 3 - EXECUTION

3.1 INSTALLATION

A. Install panelboards and accessories according to NEMA PB 1.1.

B. Mount top of trim 74 inches above finished floor, unless otherwise indicated.

C. Mount plumb and rigid without distortion of box. Mount recessed panelboards with fronts uniformly flush with wall finish.

D. Install overcurrent protective devices and controllers.

1. Set field-adjustable switches and circuit-breaker trip ranges.

E. Install filler plates in unused spaces.

F. Arrange conductors in gutters into groups and bundle and wrap with wire ties after completing load balancing.

ADDENDUM 1

NIFC 405-HNG FIRE SAFETY SYSTEM REPLACEMENT 262416 - 6

G. Install SPDs at switchboard, switchgear, or panelboard on load side, with ground lead bonded to service entrance ground.

H. Install SPDs for panelboards and auxiliary panels with conductors or buses between suppressor and points of attachment as short and straight as possible. Do not exceed manufacturer's recommended lead length. Do not bond neutral and ground.

1. Provide a circuit breaker, sized by manufacturer, as a dedicated disconnecting means for

SPD unless otherwise shown on Drawings.

3.2 IDENTIFICATION

A. Identify field-installed conductors, interconnecting wiring, and components; provide warning signs as specified in Division 26 Section "Identification for Electrical Systems."

B. Create a directory to indicate installed circuit loads after balancing panelboard loads. Obtain approval before installing. Use a computer or typewriter to create directory; handwritten directories are not acceptable.

C. Panelboard Nameplates: Label each panelboard with engraved metal or laminated-plastic nameplate mounted with corrosion-resistant screws.

3.3 CONNECTIONS

A. Ground equipment according to Division 26 Section "Grounding and Bonding for Electrical

Systems."

B. Connect wiring according to Division 26 Section "Low-Voltage Electrical Power Conductors and Cables."

3.4 CLEANING

A. On completion of installation, inspect interior and exterior of panelboards. Remove paint splatters and other spots. Vacuum dirt and debris; do not use compressed air to assist in cleaning. Repair exposed surfaces to match original finish.

END OF SECTION 262416

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(E) PANEL 101

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PANEL HANGER 100

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(E) PANEL 102B

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ROUTE TO EXISTING UTILITY TRANSFORMER

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200A/3P SERVICE RATED NEMA 3R

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EXISTING ELECTRICAL SERVICE TO BE REMOVED. SEE SHEET E100

AutoCAD SHX Text PROVIDE BOXES, RACEWAY, CONDUCTORS, ETC AS REQUIRED TO EXTEND EXISTING FEEDERS FOR CONNECTION TO REPLACEMENT PANEL.

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2"C WITH (4)#3/0 AND (1)-#4G

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2"C WITH (4)#3/0 AND (1)-#4G

AutoCAD SHX Text #4 TO EXISTING GROUNDING ELECTRODE SYSTEM. VERIFY INTEGRITY OF EXISTING GROUNDING ELECTRODE CONNECTIONS AND PROVIDE NEW RODS, TERMINATIONS, CONDUCTORS, ETC. TO PROVIDE A CODE COMPLIANT INSTALLATION

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AutoCAD SHX Text EXISTING SCHNEIDER PM5100 METER TO BE RELOCATED FROM ELECTRICAL ROOM IN BUILDING 410A. INSTALL IN NEMA 1 ENCLOSURE AND CONNECT AS DIRECTED BY EQUIPMENT MANUFACTURER. REFER TO SHEET E100

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SPD

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PROVIDE WITH INTEGRAL SURGE PROTECTION

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XX,XXX

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EXISTING ONE LINE DIAGRAM

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ELECTRICAL ONE LINE AND PANEL SCHEDULES

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CHK'D BY:

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DESIGN OFFICE:

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DESIGNED BY:

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PROJECT NO:

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DRAWN BY:

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APPROVED BY:

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OF

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DESCRIPTION

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MARK

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APPROVED

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DATE

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UNITED STATES DEPARTMENT OF THE INTERIOR

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BUREAU OF LAND MANAGEMENT

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NIFC 405 - HNG FIRE SAFETY SYSTEM REPLACEMENT

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BOISE

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IDAHO

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NWBLM2021_DO#31

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CUSHING TERRELL

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ADDENDUM 1

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TBV

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STEIN

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STEIN

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VICTORINO

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VICTORINO

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