TECHSPECS_0006_22Nov17.pdf

Lower Monumental Drainage & Unwatering Pumps System W912EF-18-B-0003 Replacement

PROJECT TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00.00 28 GENERAL REQUIREMENTS

01 11 01.00 28 SUPPLEMENTARY REQUIREMENTS

01 14 00.10 28 PROJECT SITE RESTRICTIONS

01 14 00.90 28 INTEGRATING ANTITERRORISM (AT) AND OPERATIONS SECURITY

(OPSEC)

01 22 00.00 28 MEASUREMENT AND PAYMENT

01 32 01.00 28 PROJECT SCHEDULE

01 33 00 SUBMITTAL PROCEDURES

01 35 10.00 28 DIVING

01 35 29.10 28 GOVERNMENTAL SAFETY REQUIREMENTS

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 01.00 28 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE (RMS CM)

01 45 04.00 28 CONTRACTOR QUALITY CONTROL

01 51 00.00 28 TEMPORARY UTILITIES

01 55 10.00 28 CONTRACTOR WORK, ACCESS AND STORAGE AREAS

01 57 20.00 28 ENVIRONMENTAL PROTECTION

01 73 19.10 28 INSTALLATION AND COMMISSIONING

01 78 00.00 28 CLOSEOUT SUBMITTALS

01 78 23.00 28 OPERATION AND MAINTENANCE DATA

DIVISION 02 - EXISTING CONDITIONS

02 24 10.10 28 DEWATERING

02 41 00.00 28 DEMOLITION

02 82 13.01 28 CLASS II ASBESTOS ABATEMENT

02 83 33.13 28 TOXIC METALS BASED PAINT REMOVAL AND DISPOSAL

DIVISION 03 - CONCRETE

03 30 50.00 28 MINOR CONCRETE

03 60 00.00 28 CONCRETE CORE DRILLING, DEMOLITION AND REPAIR OF CONCRETE

SURFACES

DIVISION 05 - METALS

05 50 03.00 28 MISCELLANEOUS PRODUCTS AND EQUIPMENT

05 50 14.00 28 METALWORK AND METAL FABRICATION

DIVISION 13 - SPECIAL CONSTRUCTION

13 48 00.01 28 SEISMIC RESTRAINT FOR MECHANICAL AND ELECTRICAL EQUIPMENT

DIVISION 22 - PLUMBING

22 11 00.01 28 PIPING AND VALVES

DIVISION 26 - ELECTRICAL

26 05 00.00 28 GENERAL ELECTRICAL WORK

26 05 19.00 28 INSULATED WIRE AND CABLE

26 12 19.10 THREE-PHASE MEDIUM VOLTAGE FLOOR/PAD-MOUNTED TRANSFORMER

26 13 16.00 28 SWITCHGEAR - MEDIUM VOLTAGE

26 18 39.01 28 SOFT STARTER - MEDIUM VOLTAGE

26 24 19.00 28 MOTOR CONTROL CENTERS - LOW VOLTAGE

26 29 01.00 28 ELECTRIC MOTORS, 3-PHASE VERTICAL INDUCTION TYPE

PROJECT TABLE OF CONTENTS Page 1

26 29 23.10 28 VARIABLE FREQUENCY DRIVE SYSTEMS

DIVISION 40 - PROCESS INTERCONNECTIONS

40 94 43.01 28 PROCESS CONTROLLERS - PROGRAMMABLE LOGIC CONTROLLERS (PLC)

DIVISION 43 - PROCESS GAS AND LIQUID HANDLING, PURIFICATION, AND STORAGE

EQUIPMENT

43 21 39.01 28 PUMPS: WATER, VERTICAL TURBINE

-- End of Project Table of Contents --

PROJECT TABLE OF CONTENTS Page 2

SECTION TABLE OF CONTENTS

DIVISION 26 - ELECTRICAL

SECTION 26 18 19.01 28

SWITCHGEAR - MEDIUM VOLTAGE

PART 1 GENERAL

1.1 SCOPE

1.2 REFERENCES

1.3 SYSTEM DESCRIPTION

1.4 SUBMITTALS

1.5 DELIVERY, STORAGE, AND HANDLING

1.6 STANDARD PRODUCTS

1.7 STANDARD ACCESSORIES

1.8 SEISMIC REQUIREMENTS

PART 2 PRODUCTS

2.1 SWITCHGEAR

2.1.1 General

2.1.2 Arrangement

2.1.3 Warranty

2.1.4 Enclosures

2.1.5 Interlocks and Isolation

2.1.6 Overcurrent Protection

2.1.7 Contactors

2.1.8 Isolation Switches

2.1.9 Ground Bus

2.1.10 Power Bus

2.1.11 Motor Controls

2.1.12 Motor Starters

2.1.12.1 Full-voltage Non-reversing Starters

2.1.12.2 Variable Frequency Drive

2.1.13 Meters and Relays

2.1.13.1 Power Quality Meter

2.1.13.2 Motor Protection Relay and Meter

2.1.13.3 Insulation Monitoring Relay

2.1.14 Accessories

2.1.15 Spare Parts

2.1.16 Painting

2.2 FACTORY TESTS

PART 3 EXECUTION

3.1 INSTALLATION

3.2 FIELD TESTING

3.3 TRAINING

3.4 OPERATIONS AND MAINTENANCE MANUAL

-- End of Section Table of Contents --

SECTION 26 13 16.00 28 Page 1

SECTION 26 18 19.01 28

SWITCHGEAR - MEDIUM VOLTAGE

PART 1 GENERAL

1.1 SCOPE

Contractor shall provide switchgear as specified herein and installed according to the Contract Plans and Specifications.

1.2 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE 519 (2014) Recommended Practices and Requirements for Harmonic Control in Electrical Power Systems

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

ANSI C12.20 (2010) Electricity Meters - 0.2 and 0.5 Accuracy Classes

NEMA 250 (2014) Enclosures for Electrical Equipment (1000 Volts Maximum)

NEMA ICS 3 (2005; R 2010) Medium-Voltage Controllers Rated 2001 to 7200 V AC

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2011; Errata 2 2012) National Electrical Code

UNDERWRITERS LABORATORIES (UL)

UL 347 (2009) UL Standard for Safety Medium-Voltage AC Contactors, Controllers, and Control Centers

UL 508 (1999; R 1999 - R 2010) Industrial Control Equipment

UL 1053 (1999; Reprint Jun 2011) UL Standard for Safety Ground-Fault Sensing and Relaying Equipment

UL 61010-1 (2012) UL Standard for Safety Electrical Equipment For Measurement, Control, and Laboratory Use

SECTION 26 13 16.00 28 Page 2

1.3 SYSTEM DESCRIPTION

These specifications include the design, fabrication, assembly, wiring, testing, delivery, installation and testing of the items of equipment and accessories and spare parts listed in the Schedule and shown on the drawings.

1.4 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals having an "I" designation are for information only. When used, a designation following the "G" or "I" designation identifies the office that will review the submittal for the Government. The following shall be submitted in accordance with SECTION 01 33 00 SUBMITTAL PROCEDURES:

SD-03 Product Data

Switchgear - Lower Monumental; G, EL

Variable Frequency Drive; G, EL Power Quality Meter; G, EL Motor Protection Relay and Meter; G, EL Insulation Monitoring Relay; G, EL

SD-06 Test Reports

Factory Tests - Lower Monumental; G, EL

Field Tests - Lower Monumental; G, EL

SD-10 Operation and Maintenance Data

Switchgear - Lower Monumental; G, EL

Submit in accordance with 01 78 23.00 28 OPERATION AND MAINTENANCE DATA. Provide service and maintenance information including preventive maintenance, assembly, and disassembly procedures.

Include electrical drawings.

1.5 DELIVERY, STORAGE, AND HANDLING

a. The Contractor shall provide written notification to the Contracting Officer 14 calendar days prior to shipment of equipment.

b. The switchgear shall be shipped as completely assembled and wired as feasible. The switchgear and any other equipment shall be wrapped suitably or otherwise protected from damage during shipment. All electrical material delivered to site, shall until immediately prior to installation, be protected from damaging environmental and construction activities. The equipment shall be kept dry and free from precipitation and condensation during storage, installation, and after installation. All electrical equipment shall be stored in completely enclosed containers and in a humidity-controlled environment. Method of on-site storage and storage containers will be subject to approval by the Contracting Officer.

SECTION 26 13 16.00 28 Page 3

1.6 STANDARD PRODUCTS

Material and equipment shall be the standard products of manufacturers regularly engaged in the manufacture of these products and shall essentially duplicate items that have been in satisfactory use for at least two (2) years prior to bid opening. The switchgear shall be new, not used or refurbished.

1.7 STANDARD ACCESSORIES

Provide all standard accessories to the equipment, even if not specifically mentioned in this specification. The equipment shall be complete and operable.

1.8 SEISMIC REQUIREMENTS

Provide seismic bracing. The switchgear shall be designed to withstand seismic forces in accordance with Specification Section 13 48 00.01 28

"SEISMIC RESTRAINT FOR MECHANICAL AND ELECTRIC EQUIPMENT".

PART 2 PRODUCTS

2.1 SWITCHGEAR

Switchgear shall be Ampgard as manufactured by Eaton or equal. An equal switchgear must meet the following salient physical, functional, and performance characteristics.

Submit product data for both sites. Data shall include the following:

a. Front elevation view

b. Base plan, including mounting details and door swing requirements

c. Cross section of each section

d. Three-line diagram

e. Component bill of materials

f. Control schematics

g. Nameplate schedule

h. Assembly ratings

i. Major component ratings

k. Cable terminal sizes

l. Cable entry locations

Switchgear - Lower Monumental

2.1.1 General

Switchgear shall conform to UL 347 and NEMA ICS 3 Class E2. Insulation shall be rated for the indicated utilization voltage. BIL rating shall be at least 60 kV, and the short circuit rating shall be at least 20 kA.

2.1.2 Arrangement

The switchgear shall fit within the indicated allowable space. Unless otherwise indicated, cables shall enter and exit from the top. Line and load cable terminals shall be completely accessible from the front.

SECTION 26 13 16.00 28 Page 4

2.1.3 Warranty

Provide manufacturer's warranty for at least 12 months from completion of commissioning.

2.1.4 Enclosures

The switchgear enclosure shall be NEMA 250 Type 12. The switchgear shall consist of vertical sections of heavy gauge sheet steel bolted together to form a rigid self supporting assembly. Each vertical section shall have factory provided lifting angles. Switchgear shall be self-supporting and free-standing. Compartment doors shall hinge with hand-operated lockable door latches.

2.1.5 Interlocks and Isolation

Provide interlocks per NEMA ICS 3 to prevent exposing personnel to energized medium-voltage components. Low-voltage compartments shall be isolated from medium-voltage. Provide viewing window into medium-voltage compartment to allow confirmation of the isolation switch position prior to opening the compartment. Provide protective barriers in the bus compartment. Provide dedicated cable entry compartments. Provide trapped-key interlock controls as indicated.

2.1.6 Overcurrent Protection

Provide current-limiting fuses with visible status indicators. Coordinate fuse curves with downstream circuit protection.

2.1.7 Contactors

Provide fused contactors per NEMA ICS 3 Class E2. Contactors shall be electrically-operated, three-pole, drawout type with vacuum interrupting medium. Continuous current rating shall be at least 400 A.

2.1.8 Isolation Switches

Switches shall be manually operated without exposing live parts. Isolation switches shall ground when in the open position. When open, the switch assembly shall isolate the load from the line side with an automatic shutter. The shutter shall leave no exposed medium-voltage components.

2.1.9 Ground Bus

Ground bus shall be silver-plated copper measuring 1/4-inch by 2-inches.

Ground bus shall be continuous for the full length of the switchgear.

2.1.10 Power Bus

Power bus shall permit future extension on both sides. Isolate the power bus from the starters. Bus shall be copper and insulated along the entire length. Orient the bus A-B-C from top to bottom, front to back, and left to right when viewed from the front of the switchgear.

Bus shall be braced to withstand stresses from the open and latch operation of the largest contactor or circuit breaker in the assembly. Brace the bus for at least 25 kA RMS symmetrical.

SECTION 26 13 16.00 28 Page 5

2.1.11 Motor Controls

Provide motor controls as indicated. Control power transformer shall be powered from the bus. At a minimum, provide start and stop pushbutton controls for each motor. Provide a red lamp for "RUNNING" and a green lamp for "READY".

2.1.12 Motor Starters

Provide starters as indicated. Motor starters shall have isolating switches with shutters. Provide low-voltage control compartments with control transformer.

2.1.12.1 Full-voltage Non-reversing Starters

Provide drawout vacuum contactor.

2.1.12.2 Variable Frequency Drive

Variable frequency drive shall be SC9000EP as manufactured by Eaton or equal. An equal variable frequency drive must meet the following physical, functional, and performance characteristics.

a. Fits within the indicated allowable space

b. Selectively operate one motor at a time

c. Pulse width modulation with neutral point clamp

d. Open-loop frequency control

e. At least 24-pulse rectification

f. Synchronously transfer a running motor to and from a bypass power circuit. Transfer shall be seemless and closed.

g. Mean time to failure (MTTF) at least 10 years

h. Roll-in inverter

i. View and change operating parameters from local control interface

j. Redundant blower fan for cooling unit

k. At least 95% efficient at full load and full speed

l. UL Listed

m. Harmonic control to meet IEEE 519 guidelines without using line reactors or transformers external to the switchgear

n. 110% service duty for 1 minute every 10 minutes

o. Control interface to perform indicated remote control functions

Submit product data, including harmonic calculations to the 49th harmonic.

Harmonic calculations shall show total harmonic voltage and current distortion at the input terminals of the VFD or similar point of common coupling.

2.1.13 Meters and Relays

Provide relays as indicated.

2.1.13.1 Power Quality Meter

Metering accuracy shall be ANSI C12.20 Class 0.2. The meter shall communicate with the indicated control devices. Faceplate shall include a display of metered values. Provide the following.

a. Volts

b. Amperes

c. Watts

SECTION 26 13 16.00 28 Page 6

d. VARs

e. VA

f. Power factor

g. Frequency

h. Total harmonic distortion

i. Minimum and maximum values of Volts, Amperes, Watts, VARs, and VA

2.1.13.2 Motor Protection Relay and Meter

Motor protection relay shall be UL 1053 and UL 508 recognized. Relay shall protect three-phase motors, including those with reduced voltage starting.

Faceplate shall include a display. Metering accuracy shall be ANSI C12.20 Class 0.5. The relay shall communicate with the indicated control devices.

At a minimum, provide protection of the following:

a. Overload (49/51)

b. Locked rotor (49S/51)

c. Inverse time overcurrent (51)

d. Negative sequence phase unbalance (46)

e. Instantaneous overcurrent (50)

f. Ground fault (50G)

g. Starts per time (66)

h. RTD temperature (49/38)

Provide the following metered values.

a. Amperes (positive, negative, and zero sequence)

b. Percent total harmonic distortion

c. Maximum and minimum values

d. Temperature of RTDs

2.1.13.3 Insulation Monitoring Relay

UL 61010-1. Measure partial discharge to predict medium-voltage insulation failure in switchgear, cables, and motors. Relay shall be compatible with VFD operation. Device(98) shall be assigned to Insulation Monitoring Relay

(IM).

Relay shall communicate with the indicated control devices. At a minimum, provide an analog output signal of the maximum partial discharge intensity (or percent of alarm level) and provide relay contacts for warning and alarm levels. Alarm levels shall be configurable.

Measure partial discharge 4 times per day and save calculated parameters to memory. Save full measurement results to memory once per month. Perform a self-test and calibration before each measurement. Relay shall have at least 7 input measurement channels and 2 MB of internal data storage. Relay shall be capable of partial discharge measurements with any combination of RTDs (for motor applications), coupling capacitors, and radio-frequency current transformers.

2.1.14 Accessories

For each switchgear, provide lifting devices for all drawout components whose maintenance requires one.

SECTION 26 13 16.00 28 Page 7

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Line

2.1.15 Spare Parts

For each switchgear, provide one set of each type of fuse.

2.1.16 Painting

Switchgear shall be painted ANSI 61 Light Gray.

2.2 FACTORY TESTS

Each item of equipment supplied under this contract shall be given the manufacturer's routine factory tests to ensure successful operation of the assembly components. If not already included in the routine factory test, operate the VFD for at least 4 hours with a representative motor at full load. The contractor shall submit a certified factory test report prior to shipping the switchgear to the project site. Submit data for each site.

Factory Tests - Lower Monumental

PART 3 EXECUTION

3.1 INSTALLATION

Complete assembly shall be electrically and mechanically connected and assembled from coordinated subassemblies shipped in complete sections from the manufacturer. Installation shall be aligned, leveled, and secured to the supporting construction in accordance with the manufacturer's recommendations.

Field verify measurements to ensure equipment will fit within the allowed space. Comply with minimum required clearances per NFPA 70.

3.2 FIELD TESTING

Switchgear shall be subjected to continuity and insulation tests after the installation has been completed and before the switchgear is energized.

Provide test equipment, labor, and personnel to perform the tests required.

Switchgear shall be completely isolated from extraneous electrical connections. Contactors and other disconnecting devices shall be used to isolate the switchgear under test.

Conduct insulation tests on switchgear using a 5000-volt DC insulation-resistance test set. Record readings every 15 seconds for the first minute and every minute thereafter for 10 minutes. Resistance between phase conductors and ground shall be not less than 25 megohms.

Conduct phase-rotation tests on three-phase circuits using a phase-rotation indicating instrument. Phase rotation of electrical connections to motors and other connected equipment shall be clockwise. Contractor shall label the phases.

Conduct continuity tests between the switchgear ground bus and each of the following.

a. Each mechanically connected metallic raceway

b. Each associated metallic cable tray system

SECTION 26 13 16.00 28 Page 8

c. Each switchgear enclosure section

d. Each branch and feeder equipment grounding conductor

e. Any other test points as indicated

Record test data and include location and identification of switchgear and megohm readings versus time.

Final acceptance shall depend upon the satisfactory performance of the switchgear under test. No switchgear shall be energized until recorded test data have been approved by the Government Representative. Provide final test reports to the Government Representative for each site.

Field Tests - Lower Monumental

3.3 TRAINING

Provide training on new equipment. See Section 01 11 01.00 28 paragraph

"TRAINING."

3.4 OPERATIONS AND MAINTENANCE MANUAL

Submit operations and maintenance manual per Section 01 78 23.00 28.

Include the following:

a. Wiring and interconnection diagrams

b. Schematic diagrams

c. Component list

d. Assembly ratings

e. Data sheets

f. Dimensional outline and plan arrangement

g. Certified production test reports

h. Equipment anchorage provisions

i. Seismic certification

j. List of components which require maintenance or replacement before 50,000 hours of operation

k. Spare parts list

Submit manuals for each site.

Switchgear - Lower Monumental

-- End of Section --

SECTION 26 13 16.00 28 Page 9

2.2 FACTORY TESTS