A04_SOW.pdf

TABLE OF CONTENTS

Central Nevada Dispatch Generator Replacement and Installation

GENERAL REQUIREMENTS

Part 1: General

1.1 SUMMARY

A. Project Identification

B. Description of work.

I. CNDIC Building

II. Expandable Trailer

C. Location

D. Work Data Sheet

E. Single Contract

F. Safety

1.2 Quality Assurance

A. Codes and Standards

B. Conflict

C. Warranty

1.3 Delivery, Storage, and Handling

A. D,S&H.

1.4 Project/Site Conditions

A. Existing Conditions

1.5 Definitions

A. Approvals

1.6 Submittals

A. Safety Plan. Project Schedule

B. Material Submittals

1.7 Project/Site Conditions

A. Access to work

B. Field Conditions will Vary

C. Use of Site

D. Government Occupancy, Maintaining Access

1.8 Clean Up

A. Clean-up

1.9 Government Occupancy Requirements

A. Government Occupancy

Part 2: Products

2.1 Materials

A. New and Good Condition

Part 3: Execution

3.1 Project Schedule

A. Deadline: 30 Days Following Contract Award

3.2 Project Meetings.

A. Pre-Work Conference.

B. Progress Meetings.

C. Final Inspection.

3.3 Disposal of Debris

A. Responsibility of disposal belongs to contractor.

SECTION NV01330 SUBMITALL PROCEDURE

PART 1: General

1.1 Summary

A. Section includes

1.2 Submittal Procedures

A. Coordination B. Processing Time C. Identification D. Deviations E. Additional Copies F. Transmittal G. Resubmittals

SECTION NV0834 MATERIALS

Part 1: General

1.1 Summary

A. Section Includes B. Related Sections

Part 2: Products

2.1 Central Nevada Dispatch Generator Replacement and Installation Project Materials and Submittals

Part 3: Execution

3.1 Preparation

3.2 Installation

30 kW Generator Replacement

16 kW Generator Installation

3.3 Weatherproof housing

3.4 Automatic Transfer Switches

MOBILIZATION

Part 1. General.

1.1 Summary.

A. Section Includes.

Part 2. Products.

A. There are no applicable requirements

Part 3. Execution

Section NV02419 Selective Demolition Part 1. General

1.1 Summary

A. Sections include

1.2 Materials Ownership

A. Property following demolition.

1.3 Closeout Submittals

A. Inventory of items that have been removed and salvaged.

1.4 Site Conditions

Part 2. Products

2.1 Performance Requirements

Part 3. Execution

3.1 Examination

3.2 Utility Services and Mechanical/Electrical Systems

3.3 Protection

3.4 Selective Demolition

3.5 Cleaning

SECTION NV01330 DIESEL EMERGENCY ENGINE GENERATORS

PART 1: GENERAL

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Shop Drawings:

1.3 INFORMATIONAL SUBMITTALS

A. Seismic Qualification Data:

B. Source quality-control reports.

C. Certified test reports.

D. Field quality-control reports.

E. Warranty:

1.4 CLOSEOUT SUBMITTALS

A. Operation and maintenance data.

1.5 QUALITY ASSURANCE

A. Installer Qualifications: An authorized representative who is trained and approved by manufacturer.

B. Testing Agency Qualifications: Accredited by NETA. 1. Testing Agency's Field Supervisor: Certified by NETA to supervise on-site testing.

1.6 WARRANTY

A. Manufacturer's Warranty

PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. Manufacturers B. Source Limitations

2.2 PERFORMANCE REQUIREMENTS

A. Seismic Performance B. B11 Compliance

2.3 ENGINE GENERATOR ASSEMBLY DESCRIPTION

2.4 DIESEL ENGINE

2.5 DIESEL FUEL-OIL SYSTEM

\2.6 CONTROL AND MONITORING

2.7 GENERATOR OVERCURRENT AND FAULT PROTECTION

2.8 GENERATOR, EXCITER, AND VOLTAGE REGULATOR

2.9 VIBRATION ISOLATION DEVICES

2.10 OUTDOOR GENERATOR-SET ENCLOSURE

2.11 SOURCE QUALITY CONTROL

PART 3 - EXECUTION

3.1 INSTALLATION

3.2 CONNECTIONS

3.3 IDENTIFICATION

3.4 FIELD QUALITY CONTROL

3.5 DEMONSTRATION

Work Data Sheet.

Vicinity Map.

Plans for Central Nevada Interagency Dispatch Center Generator Replacement and Installation.

END OF SECTION

WINNEMUCCA DISTRICT OFFICE

Central Nevada Interagency Dispatch Center Generator Replacement and Installation

GENERAL INFORMATION AND REQUIREMENTS

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BLM WINNEMUCCA DISTRICT OFFICE

SPECIFICATIONS

AND DRAWINGS

Central Nevada Interagency Dispatch Center Generator Replacement and Installation Project Nevada Fire

Tscott 05/19/2021

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SECTION 01009

A. Project Identification: This project will be called the “Central Nevada Interagency Dispatch Center

Generator Replacement and Installation Project”

B. Description of Work: This project involves replacing an existing 25 kW Generator inside the Central Nevada Interagency Dispatch Center (CNDIC) with a 30 kW Generator and installing a new 16kW Generator at the Trailer collocated at the same site. The location is on Jays Road at the Winnemucca Municipal Airport (WMC). Work includes, but is not limited to, furnishing labor, materials, equipment, installation work, commissioning, and transportation necessary to install a new generator at the CNDIC’s expandable trailer and remove and replace an existing generator at the CNDIC building. The CNDIC’s coordinates are: 40.90514° -117.80692° All work to occur at the CNDIC site in accordance with the plans and specifications, as follows:

I. Remove existing emergency standby Generator from its room at the CNDIC building after disconnecting it from the electrical system. Provide a new diesel electrical generator sufficient to power the CNDIC building and all of its equipment for 48 hours of standby power. Connect the new generator to the existing system and commission. New generator and components to be compatible with existing components.

II. Provide an emergency standby Generator that can power the expandible trailer and its equipment for 24 hours. Install, connect to the electrical system, and commission the standby generator.

The Replacement Generator will involve the removal of an existing 25 kW generator inside of the CNDIC building with a generator with estimated 30 kW to sit outside of the building for standby purposes.

Grading of the site adjacent to the building as necessary to place the generator will be part of the project work. The 30kW generator will be installed with a conduit run into the building to connect to existing connections. Contractor to dispose of existing 25 kW generator. The approximately 30 kW Generator to be installed on a 6” Concrete Pad provided by the contractor designed for the generator by the manufacturer.

The system shall be a package of new and current equipment consisting of:

a) An engine driven electric generating set to provide standby power.

b) An engine start/stop solid state system mounted on the generating set.

c) An automatic load transfer control to provide automatic starting and stopping of the engine and switching the load.

d) Diesel powered.

The generating set shall be enclosed in a weather protective zinc coated sheet metal housing with hinged, locking doors designed by the manufacturer.

The 16kW Generator installation will be a new generator set provided by the Contractor to be housed in a weather protective zinc coated sheet metal housing with hinged, locking doors designed by the manufacturer. The generator set is to be placed on a pad by the manufacturer. Work to include connection

GENERAL INFORMATION AND REQUIREMENTS

- 3 to existing electrical service for expandable trailer and any ancillary electrical work necessary for the tie

in. Generator to be diesel powered.

The system shall be a package of new and current equipment consisting of:

a) An engine driven electric generating set to provide standby power.

b) An engine start/stop solid state system mounted on the generating set.

c) An automatic load transfer control to provide automatic starting and stopping of the engine and switching the load.

d) Diesel powered.

The generating set shall be enclosed in a weather protective zinc coated sheet metal housing with hinged, locking doors designed by the manufacturer.

C. Location: Work under this Contract at the CNDIC’s coordinates: 40.90514° -117.80692°

Winnemucca, Nevada.

D. Work Data Sheet: Designates the type and quantity of work required at the project locations.

E. Project will be constructed under a single prime contract.

F. OSHA standards must be followed on this project.

1.2 QUALITY ASSURANCE

A. Codes and Standards: The work shall comply with BLM standards applicable to each type of work, as listed in the individual sections of these specifications and as shown on the drawings. Electrical repairs will be made using materials compatible and of at least the same quality as the existing system components.

B. Conflict: Where a conflict occurs between reference documents and project specifications, the most restrictive requirements shall govern. If conflicts need to be further resolved the project specifications shall govern but contractor will need to ask engineer for interpretation of documents.

C. Contractor to guarantee project work for 2 years from date of official written acceptance by the government’s representative at no cost to the government. All manufacturer’s warranties must be provided as discussed separately in these documents.

1.3 DELIVERY, STORAGE, AND HANDLING

A. Contractor responsible for providing materials in unused and good condition to project site and is responsible for any damage, lost or stolen items before the materials have been installed and accepted by the BLM.

1.4 PROJECT/SITE CONDITIONS

A. Existing Conditions:

1. Generator to be replaced will require determination by electrician on necessary installation techniques. Conditions will vary from those in photos.

GENERAL INFORMATION AND REQUIREMENTS

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2. Replacement Generator will require a solution provided by the electrician to connect to the existing expandable trailers to provide standby power.

1.5 DEFINITIONS

A. Approvals: Approval of the submittals is an indication that the Contractor’s submittals have been reviewed and that there are no objections, except as noted. Approval of the deviations shall apply only to those deviations or omissions from the requirements of the drawings and specifications brought to the Contracting Officer’s attention in writing. After approval of an item, the Contractor may submit a substitute for approval when the approved item cannot be purchased or delivered in time to avoid delay in completion of the project.

1.6 SUBMITALLS:

A. A written Safety Plan will be required for review 3 days prior to the pre-work conference.

B. Materials to be submitted for approval:

• Approximately 30 kW Generator

• 16 kW Generator

1.7 PROJECT/ SITE CONDITIONS:

A. Please contact the CNDIC Staff at 775.623.3444 during business hours of 8-5 M-F excepting Federal

Holidays. Schedule operations so that Work is conducted during regular office hours. Contractor shall have limited use of premises for removal and installation operations as indicated on Drawings by the Contract limits.

B. Field Conditions will Vary: Drawings were developed form Google Earth, a site visit, photos and conversations with local staff. Site condition will vary from those on plansets.

C. Use of Site: Limit use of premises to work in areas indicated. Do not disturb portions of Project site beyond areas in which the Work is indicated.

D. 1.Government Occupancy: Allow for Government occupancy of Project site and use by the public.

Government personnel will be continuously occupying areas of the building immediately adjacent to the work area. Conduct work in a manner that will minimize needs for disruption of normal Government operations. Provide minimum 72 hours advance notice to Contracting Officer of activities that will impact normal Government operations. Secure Contracting Officer's written approval of activities that will impact normal Government operations to avoid delays in overall construction and permit proper installation or work.

2. Driveways and Entrances: Keep driveways, loading areas, and entrances serving premises clear and available to Government, Government employees, and emergency vehicles at all times.

Do not use these areas for parking or storage of materials.

GENERAL INFORMATION AND REQUIREMENTS

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a. Schedule deliveries to minimize use of driveways and entrances.

b. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

1.8 CLEAN-UP:

A. Clean-up: All trash and excess materials must be removed from the project site on completion of construction and disposed of in a manner, and at a location, approved by the Contracting Officer.

1.9 GOVERNMENT OCCUPANCY REQUIREMENTS

A. Full Government Occupancy: Government will occupy site and existing building during entire contract period. Cooperate with Government during operations to minimize conflicts and facilitate Government usage. Perform the Work so as not to interfere with Government day-to-day operations. Maintain existing exits, unless otherwise indicated.

1. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from Government and authorities having jurisdiction.

GENERAL INFORMATION AND REQUIREMENTS

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PART 2: PRODUCTS

2.1 MATERIALS:

A. All materials for use in the project must be new and in good condition.

PART 3: EXECUTION

3.1 PROJECT SCHEDULE

Project to be completed and with final inspection to occur 30 days following project award.

Schedule of Work to be provided to Government. Schedule and sequence operations necessary to complete the work, including coordination with other crafts relative to the Contractor's requirements. Schedule Work in such manner as to avoid delays in overall construction and permit proper installation of work. project schedule will be provided five business days after award of contract. When requested by the Contracting Officer’s Representative (COR) an updated schedule will be provided by the contractor within 3 calendar days. COR to determine if weather is an acceptable reason for delay.

3.2 PROJECT MEETINGS

A. Pre-Work Conference:

1. In lieu of a Pre-Work Conference the Contractor and Contracting Officer’s Representative will discuss officially any concerns related to the project drawings, specifications, construction schedules, payroll, payments, and administrative provisions of the Contract three days before project work is to begin. The Contractor shall be prepared to summarize and explain work procedures planned for the project.

B. Progress Meetings:

1. Shall be held at the Winnemucca District Office, or as determined by the Contracting Officer’s

Representative.

2. May be called by either the Contracting Officer’s Representative or the Contractor. The request shall state who should attend and must include an agenda.

3. If project work is progressing smoothly progress meetings may be unnecessary.

C. Final Inspection:

1. To be held at the project site, or as determined by the Contracting Officer’s Representative.

2. The Contractor shall notify the Contracting Officer’s Representative in writing at least 3 working days before the completion date so the Government can schedule final inspection.

3. The Contactor or the Contractor’s authorized representative shall be present during the final inspection.

4. Formal acceptance will be provided following the final inspection in writing.

GENERAL INFORMATION AND REQUIREMENTS

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3.3 DISPOSAL OF DEBRIS

A. Items or debris not designated as salvage for the Government shall become the property of the Contractor.

The contractor will be responsible for removing any items not designated as salvage from the project site.

Central Nevada Dispatch Generator Replacement and Installation Submittal Procedures

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SECTION NV01330 SUBMITALL PROCEDURE

Central Nevada Dispatch Generator Replacement and Installation Project

A. Section Includes: Central Nevada Dispatch Generator Replacement and Installation Project administrative and procedural requirements for submitting Shop Drawings, Product Data, City Permits/Approvals, and other submittals.

1.2 SUBMITTAL PROCEDURES

A. Coordination: Coordinate preparation and processing of submittals with performance of contract requirements.

1. Coordinate each submittal with fabrication, purchasing, testing, delivery, other submittals, and related activities that require sequential activity.

2. Coordinate transmittal of different types of submittals for related parts of the Work so processing will not be delayed because of need to review submittals concurrently for coordination.

a. Contracting Officer reserves the right to withhold action on a submittal requiring coordination with other submittals until related submittals are received.

B. Processing Time: Allow enough time for submittal review, including time for resubmittals, as follows.

Time for review shall commence on Contracting Officer's receipt of submittal. No extension of the Contract Time will be authorized because of failure to transmit submittals enough in advance of the Work to permit processing, including resubmittals.

C. Identification: Place a permanent label or title block on each submittal for identification.

1. Indicate name of firm or entity that prepared each submittal on label or title block.

2. Provide a space on label or beside title block to record Contractor's review and approval markings and action taken by Contracting Officer.

D. Deviations: Highlight, encircle, or otherwise specifically identify deviations from the Contract Documents on submittals.

E. Additional Copies: Unless additional copies are required for final submittal, and unless Contracting Officer observes noncompliance with provisions in the Contract Documents, initial submittal may serve as final submittal.

F. Transmittal: Package each submittal individually and appropriately for transmittal and handling. Transmit each submittal using a transmittal form. Contracting Officer will return submittals, without review received from sources other than Contractor.

G. Resubmittals: Make resubmittals in same form and number of copies as initial submittal.

Central Nevada Dispatch Generator Replacement and Installation Project Materials

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Contractor to verify generator SECTION NV0834

Central Nevada Dispatch Generator Replacement and Installation Project Materials

A. Section Includes: Central Nevada Dispatch Generator Replacement and Installation Project Materials

B. Related Sections:

General Information and Requirements Section 01009 Mobilization –Section 01505

2.1 Central Nevada Dispatch Generator Replacement and Installation Project Materials and submittals.

A. The contractor shall furnish the materials for the Generator Replacement and Installation project in order to comply with the Work Data Sheet. Contractor to provide submittal following award with recommended generators for the 30 kW and the 16kW Generators. Contracting Officer Representative must approve generators before purchase and installation.

B. Submittals to include: Recommended Generators, Recommended Generator Pad solution (purchase or construct), Weatherproof housing, manuals provided by the Manufacturer with the units, troubleshooting manual, and a maintenance plan for each of the generators.

3.1 PREPARATION

Concrete Pads: Contractor to call 811 to mark all utilities at locations where concrete pad for generator placement is to be installed. The installation at the expandable trailer may require the relocation of a plastic storage container which will be considered incidental to the work. Ground underneath generator pad to be free of any organics. Ground to be compacted in 4” lifts with handheld vibratory compactor. Concrete Pad to be either supplied by manufacturer of unit or be prepared by contractor in compliance with generator installation guide.

Cleaning: Any materials shall be cleaned to be free of dirt or any foreign materials.

3.2 INSTALLATION

30kW Generator Replacement

A. Bidder to provide recommended generator, generator housing, and concrete pad installation. Contractor to recommend a proposed generator which has the capacity to supply energy for the CNDIC building and its equipment including but not limited to: servers, radio equipment, and AC/Heating for a time of 48 hours.

Provide an electronic set of submittals for engineering review and approval prior to ordering generators.

The submittals shall include engine data, any necessary wiring and interconnect diagrams, the manufacturers published warranty, spec sheets and all other pertinent information relative to the unit. A sub-base mounted fuel tank shall be supplied with enough fuel capacity to run the standby generator under full load for a minimum of 48 hours. A sufficiently sized day tank shall be included with the unit. It shall

- 2 have a 2 gallon per minute fuel transfer pump, fuel level gauge and float switch. Tanks less than 240 gallons shall be double-walled, UL142 listed. Tanks 240 gallons or larger shall be double-walled, UL2085 listed.

16 kW Generator Installation

B. Bidder to provide recommended generator, generator housing, and concrete pad installation. Contractor to recommend and provide a generator of sufficient capacity to supply energy for the expandable building and its equipment including but not limited to AC/Heating for 24 hours. It is estimated to be 16 kW but the contractor must verify this will provide sufficient power. Provide an electronic set of submittals for engineering review and approval prior to ordering generators. The submittals shall include engine data, any necessary wiring and interconnect diagrams, the manufacturers published warranty, spec sheets and all other pertinent information relative to the unit. A sub-base mounted fuel tank shall be supplied with enough fuel capacity to run the standby generator under full load for a minimum of 24 hours. A sufficiently sized day tank shall be included with the unit. It shall have a 2 gallon per minute fuel transfer pump, fuel level gauge and float switch. Tanks less than 240 gallons shall be double-walled, UL142 listed. Tanks 240 gallons or larger shall be double-walled, UL2085 listed.

3.3 Generator Weather Housing

The generating set shall be enclosed in a weather protective zinc coated sheet metal housing with hinged, locking doors.

3.4 Automatic Transfer Switch. The existing 25 kW Generator may already have an acceptable Transfer Switch.

Contractor to verify.

UL 1008 listed

a) NEMA 12 enclosure, NEMA 3R if plans indicate transfer switch will be located outdoors

Contacts shall be electrically operated and mechanically held.

b) There shall be front access to all solid state control boards.

c) Control boards are to be protected in a separate lockable enclosure located in the door of the automatic transfer switch. It shall have a transparent cover to allow visual reading of voltage settings and time delays.

d) The automatic transfer switch shall contain a neutral block suitable for the connection of all neutral conductors.

e) The transfer time shall be 160 milliseconds or less.

f) The normal source voltage shall be monitored across all phases of normal power with drop out and pick up points adjustable from 70% to 90%.

g) The switch must contain a manual operating handle.

h) Utility interrupt delay shall be adjustable from 5 seconds to 3 minutes.

i) The automatic transfer switch shall have an engine warm up bypass selector switch.

j) Standby voltage required before transfer shall be adjustable from 70% to 90% of nominal, standby frequency required before transfer shall be adjustable from 80% to 90% of nominal.

k) Return to utility delay shall be adjustable from 1 to 30 minutes.

l) Engine cool down timer shall be adjustable from 1 to 30 minutes.

m) Minimum run timer shall be adjustable from 5 to 30 minutes.

n) The automatic transfer switch shall include a 7 day exerciser.

o) The automatic transfer switch shall have status lights to provide a visual read out of operation sequence including:

utility on, engine warm up, engine warm up bypass, standby voltage ready, standby frequency ready, standby operating, return to utility, engine cool down, engine minimum run, switch in fast test mode.

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p) Front mounted controls shall include a selector switch for normal test and fast test mode. It will also have utility and emergency lights to indicate switch position and a lamp to indicate standby operating

q) The automatic transfer switch shall provide one set of auxiliary contacts.

r) The 100 to 1200 amp 600 volt switches shall incorporate built-in-arc chutes to suppress and extinguish the arc

Conduit Installation: Conduit shall be rated as waterproof and for electrical usage. To meet manufacturer of the generator’s installation requirements or recommendations. To be buried a minimum of 1 foot deep.

Winnemucca District Office CNDIC Generator Replacement Project

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SECTION 01505

1.1 SUMMARY:

A. Section Includes: Preparatory work and operations, including those necessary to the movement of personnel, equipment, supplies and all incidentals to and from the project site.

A. There are no applicable requirements.

B. There are no applicable requirements.

Central Nevada Dispatch Generator Replacement and Installation Project Selective Demolition

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SECTION NV02419 SELECTIVE DEMOLITION

Central Nevada Dispatch Generator Replacement and Installation Project

A. Section Includes Demolition and removal of selected portions of building, structure or equipment as noted in Statement of Work.

1.2 MATERIALS OWNERSHIP

A. Unless otherwise indicated, existing generator and demolition waste becomes property of Contractor and shall be disposed of in a legal manner.

1.3 CLOSEOUT SUBMITTALS

A. Inventory of items that have been removed and salvaged.

1.4 SITE CONDITIONS

A. Owner will occupy portions of building immediately adjacent to selective demolition area. Conduct selective demolition so Owner's operations will not be disrupted.

B. Conditions existing at time of inspection for bidding purpose will be maintained by Owner as far as practical.

C. Storage or sale of removed items or materials on-site is not permitted.

D. Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations.

1. Maintain fire-protection facilities in service during selective demolition operations.

E. Arrange selective demolition schedule so as not to interfere with Owner's operations.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Regulatory Requirements: Comply with governing EPA notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

B. Standards: Comply with ASSP A10.6 and NFPA 241.

Demolition

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PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that utilities have been disconnected if necessary and capped before starting selective demolition operations.

B. Inventory and record the condition of items to be removed and salvaged.

3.2 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS

A. Existing Services/Systems to Remain: Maintain services/systems indicated to remain and protect them against damage.

B. All underground utilities in the area shall be identified and located prior to commencement of equipment removal. If applicable, use “Call Before You Dig” service.

C. Existing Services/Systems to Be Removed, Relocated, or Abandoned: Locate, identify, disconnect, and seal or cap off utility services and mechanical/electrical systems serving areas to be selectively demolished.

3.3 PROTECTION

A. Temporary Protection: Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings and facilities to remain.

B. Remove temporary barricades and protections where hazards no longer exist.

3.4 SELECTIVE DEMOLITION

A. General: Remove existing equipment only to the extent required by installation of new equipment and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows:

1. Neatly cut openings and holes plumb, square, and true to dimensions required. Use cutting methods least likely to damage construction to remain or adjoining construction. Use hand tools or small power tools designed for sawing or grinding, not hammering and chopping. Temporarily cover openings to remain, if applicable.

2. If needed remove, furnish, and install steel pipe bollards (2 total). If bollard replacement is required, they shall be the equivalent quality or better to existing bollards.

3. Do not use cutting torches.

4. Dispose of demolished items and materials promptly.

Demolition

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B. Existing Items to Remain: Protect equipment area against damage during equipment removal operations.

3.5 CLEANING

A. Remove waste materials from Project site and dispose of them in an EPA-approved construction and demolition waste landfill acceptable to authorities having jurisdiction.

1. Do not allow materials to accumulate on-site.

2. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

B. Clean adjacent structures and improvements of dust, dirt, and debris caused by removal of equipment operations. Return adjacent areas to condition existing before operations began.

Central Nevada Dispatch Generator Replacement and Installation Diesel Emergency Electrical Generators

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SECTION NV01330 DIESEL EMERGENCY ENGINE GENERATORS

Central Nevada Dispatch Generator Replacement and Installation Project

A. Section includes packaged diesel engine generators for emergency use with the following features:

1. Diesel engine.

2. Diesel fuel-oil system.

3. Control and monitoring.

4. Generator overcurrent and fault protection.

5. Generator, exciter, and voltage regulator.

6. Vibration isolation devices.

7. Outdoor/ Sound attenuated enclosure with an average sound level of 70dBA at 23 ft.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Shop Drawings:

1. Include plans and elevations for engine generator and other components specified. Indicate access requirements affected by height of subbase fuel tank.

2. Include details of equipment assemblies. Indicate dimensions, weights, loads, and required clearances, method of field assembly, components, and location and size of each field connection.

3. Identify fluid drain ports and clearance requirements for proper fluid drain.

4. Design calculations for selecting vibration isolators and seismic restraints and for designing vibration isolation bases.

5. Vibration Isolation Base Details: Detail fabrication, including anchorages and attachments to structure and supported equipment. Include base weights.

6. Include diagrams for power, signal, and control wiring. Complete schematic, wiring, and interconnection diagrams showing terminal markings for EPS equipment and functional relationship between all electrical components.

1.3 INFORMATIONAL SUBMITTALS

A. Seismic Qualification Data: Certificates for engine generator, accessories, and components, from manufacturer.

B. Source quality-control reports.

C. Certified test reports.

D. Field quality-control reports.

E. Warranty: For special warranty.

Electrical Generators

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1.4 CLOSEOUT SUBMITTALS

A. Operation and maintenance data.

1.5 QUALITY ASSURANCE

A. Installer Qualifications: An authorized representative who is trained and approved by manufacturer.

B. Testing Agency Qualifications: Accredited by NETA.

1. Testing Agency's Field Supervisor: Certified by NETA to supervise on-site testing.

1.6 WARRANTY

A. Manufacturer's Warranty: Manufacturer agrees to repair or replace components of packaged engine generators and associated auxiliary components that fail in materials or workmanship within specified warranty period.

1. Warranty Period: 2 years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1 MANUFACTURERS

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

1. Caterpillar, Inc.

2. Cummins Power Generation

3. Generac Power Systems, Inc.

B. Source Limitations: Obtain packaged engine generators and auxiliary components from single source from single manufacturer.

2.2 PERFORMANCE REQUIREMENTS

A. Seismic Performance: Engine generator housing, day tank, engine generator, batteries, battery racks, silencers, sound attenuating equipment, accessories, and components shall withstand the effects of earthquake motions determined according to ASCE/SEI 7.

1. The term "withstand" means "the unit will remain in place without separation of any parts when subjected to the seismic forces specified and the unit will be fully operational after the seismic event."

2. Shake-table testing shall comply with ICC-ES AC156. Testing shall be performed with all fluids at worst-case normal levels.

3. Component Importance Factor: 1.0.

B. B11 Compliance: Comply with B11.19.

C. NFPA Compliance:

1. Comply with NFPA 37.

2. Comply with NFPA 70.

3. Comply with NFPA 99.

4. Comply with NFPA 110 requirements for Level 1 EPSS for the Central Interagency Building Generator.

Electrical Generators

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5. Comply with NFPA 110 requirements for Level 2 EPSS for the Expandable Trailer Generator.

D. UL Compliance: Comply with UL 2200.

E. Engine Exhaust Emissions: Comply with EPA Tier 3 requirements and applicable state and local government requirements.

F. Noise Emission: Comply with applicable state and local government requirements for maximum noise level at adjacent property boundaries due to sound emitted by engine generator, including engine, engine exhaust, engine cooling-air intake and discharge, and other components of installation.

G. Environmental Conditions: Engine generator system shall withstand the following environmental conditions without mechanical or electrical damage or degradation of performance capability:

1. Ambient Temperature: -10 to 104 deg F.

2. Relative Humidity: Zero to 95 percent.

3. Altitude: Sea level to 4,500 feet. (Winnemucca, NV)

2.3 ENGINE GENERATOR ASSEMBLY DESCRIPTION

A. Factory-assembled and -tested, water-cooled engine, with brushless generator and accessories.

B. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

EPSS Class: The CNDIC Building Engine generator shall be classified as a Class 48 according to NFPA 110.

The Expandible Trailer Engine generator shall be classified as a Class 24 according to NFPA 110.

C. Governor: Adjustable isochronous, with speed sensing.

D. Mounting Frame: Structural steel framework to maintain alignment of mounted components without depending on concrete foundation. Provide lifting attachments sized and spaced to prevent deflection of base during lifting and moving.

E. Rigging Diagram: Inscribed on metal plate permanently attached to mounting frame to indicate location and lifting capacity of each lifting attachment and engine generator center of gravity.

F. Capacities and Characteristics:

1. Power Output Ratings: Nominal ratings as indicated at 0.8 power factor excluding power required for the continued and repeated operation of the unit and auxiliaries.

2. Nameplates: For each major system component to identify manufacturer's name and address, and model and serial number of component.

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M. Engine Generator Performance:

1. Steady-State Voltage Operational Bandwidth: 3 percent of rated output voltage, from no load to full load.

2. Transient Voltage Performance: Not more than 20 percent variation for 50 percent step-load increase or decrease.

Voltage shall recover and remain within the steady-state operating band within three seconds.

3. Steady-State Frequency Operational Bandwidth: 0.5 percent of rated frequency, from no load to full load.

4. Steady-State Frequency Stability: When system is operating at any constant load within the rated load, there shall be no random speed variations outside the steady-state operational band and no hunting or surging of speed.

5. Transient Frequency Performance: Less than 5 percent variation for 50 percent step-load increase or decrease.

Frequency shall recover and remain within the steady-state operating band within five seconds.

6. Output Waveform: At no load, harmonic content measured line to line or line to neutral shall not exceed 5 percent total and 3 percent for single harmonics. Telephone influence factor, determined according to NEMA MG 1, shall not exceed 50 percent.

7. Sustained Short-Circuit Current: For a three-phase, bolted short circuit at system output terminals, system shall supply a minimum of 250 percent of rated full-load current for not less than 10 seconds and then clear the fault automatically, without damage to generator system components.

8. Start Time: Comply with NFPA 110, Type 10 system requirements.

2.4 DIESEL ENGINE

A. Fuel: ASTM D 975 diesel fuel oil, Grade 2-D S15.

B. Rated Engine Speed: 1800 rpm.

C. Lubrication System: Engine or skid mounted.

1. Filter and Strainer: Rated to remove a minimum 90 percent of particles 5 micrometers and smaller while passing full flow.

2. Thermostatic Control Valve: Control flow in system to maintain optimum oil temperature. Unit shall be capable of full flow and is designed to be fail-safe.

3. Crankcase Drain: Arranged for complete gravity drainage to an easily removable container with no disassembly and without use of pumps, siphons, special tools, or appliances.

D. Jacket Coolant Heater: Electric-immersion type, factory installed in coolant jacket system. Comply with NFPA 110 requirements for Level 1 equipment for heater capacity and with UL 499.

E. Cooling System: Closed loop, liquid cooled, with radiator factory mounted on engine generator mounting frame and integral engine-driven coolant pump.

1. Coolant: Solution of 50 percent ethylene-glycol-based antifreeze and 50 percent water, with anticorrosion additives as recommended by engine manufacturer.

2. Size of Radiator: Adequate to contain expansion of total system coolant, from cold start to 110 percent load condition.

3. Expansion Tank: Constructed of welded steel plate and rated to withstand maximum closed-loop coolant-system pressure for engine used. Equip with gage glass and petcock.

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4. Temperature Control: Self-contained, thermostatic-control valve modulates coolant flow automatically to maintain optimum constant coolant temperature as recommended by engine manufacturer.

5. Coolant Hose: Flexible assembly with inside surface of nonporous rubber and outer covering of aging-, UV-, and abrasion-resistant fabric.

a. Rating: 50-psig maximum working pressure with coolant at 180 deg F, and non-collapsible under vacuum.

b. End Fittings: Flanges or steel pipe nipples with clamps to suit piping and equipment connections.

F. Muffler/Silencer: Semi-critical type, sized as recommended by engine manufacturer and selected with exhaust piping system to not exceed engine manufacturer's engine backpressure requirements.

1. Minimum sound attenuation of 18 dB at 500 Hz.

2. Sound level measured at a distance of 25 feet from exhaust discharge after installation is complete shall be 85 dBA or less.

3. Exhaust shall not exit enclosure in a way that will affect existing trees near generator.

G. Air-Intake Filter: Standard-duty, engine-mounted air cleaner with replaceable dry-filter element and "blocked filter" indicator.

H. Starting System: 12 V electric, with negative ground.

1. Components: Sized so they are not damaged during a full engine-cranking cycle, with ambient temperature at maximum specified in "Performance Requirements" Article.

2. Cranking Motor: Heavy-duty unit that automatically engages and releases from engine flywheel without binding.

3. Cranking Cycle: As required by NFPA 110 for system level specified.

4. Battery: Lead acid, with capacity within ambient temperature range specified in "Performance Requirements" Article to provide specified cranking cycle at least three times without recharging.

5. Battery Cable: Size as recommended by engine manufacturer for cable length indicated. Include required interconnecting conductors and connection accessories.

6. Battery Compartment: Factory fabricated of metal with acid-resistant finish and thermal insulation. Include accessories required to support and fasten batteries in place. Provide ventilation to exhaust battery gases.

7. Battery Stand: Factory-fabricated, two-tier metal with acid-resistant finish designed to hold the quantity of battery cells required and to maintain the arrangement to minimize lengths of battery interconnections.

8. Battery-Charging Alternator: Factory mounted on engine with solid-state voltage regulation and 35-A minimum continuous rating.

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9. Battery Charger: Current-limiting, automatic-equalizing, and float-charging type designed for lead-acid batteries. Unit shall comply with UL 1236 and include the following features:

a. Operation: Equalizing-charging rate of 10 A shall be initiated automatically after battery has lost charge until an adjustable equalizing voltage is achieved at battery terminals. Unit shall then be automatically switched to a lower float-charging mode and shall continue to operate in that mode until battery is discharged again.

b. Automatic Temperature Compensation: Adjust float and equalize voltages for variations in ambient temperature from minus 40 deg F to 140 deg F to prevent overcharging at high temperatures and undercharging at low temperatures.

c. Automatic Voltage Regulation: Maintain constant output voltage regardless of input voltage variations up to plus or minus 10 percent.

d. Ammeter and Voltmeter: Flush mounted in door. Meters shall indicate charging rates.

e. Safety Functions: Sense abnormally low battery voltage and close contacts providing low battery voltage indication on control and monitoring panel. Sense high battery voltage and loss of ac input or dc output of battery charger. Either condition shall close contacts that provide a battery-charger malfunction indication at system control and monitoring panel.

Enclosure and Mounting: NEMA 250, Type 1 wall-mounted cabinet.

2.5 DIESEL FUEL-OIL SYSTEM

A. Comply with NFPA 30.

B. Piping: Fuel-oil piping shall be Schedule 40 black steel. Cast iron, aluminum, copper, and galvanized steel shall not be used in the fuel-oil system.

C. Main Fuel Pump: Mounted on engine to provide primary fuel flow under starting and load conditions.

D. Fuel Filtering: Remove water and contaminants larger than 10micron.

E. Relief-Bypass Valve: Automatically regulates pressure in fuel line and returns excess fuel to source.

F. Fuel-Oil Storage Tank:

1. Fuel Tank Capacity: Minimum 133 percent of total fuel required for periodic maintenance operations between fuel refills plus fuel for the hours of continuous operation required for the indicated EPSS Class.

2. Tank to be a dual wall sub-base fuel tank meeting UL and NFPA requirements.

3. Contractor to provide a full tank at end of installation.

2.6 CONTROL ANDMONITORING

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A. Automatic-Starting System Sequence of Operation: When mode-selector switch on the control and monitoring panel is in the automatic position, remote-control contacts in one or more separate automatic transfer switches initiate starting and stopping of engine generator. When mode-selector switch is switched to the on position, engine generator starts. The off position of same switch initiates engine generator shutdown. When engine generator is running, specified system or equipment failures or derangements automatically shut down engine generator and initiate alarms.

B. Manual-Starting System Sequence of Operation: Switching on-off switch on the generator control panel to the on position starts engine generator. The off position of same switch initiates engine generator shutdown. When engine generator is running, specified system or equipment failures or derangements automatically shut down engine generator and initiate alarms.

C. Provide minimum run time control set for 15 minutes, with override only by operation of a remote emergency-stop switch.

D. Comply with UL 508A.

E. Configuration: Operating and safety indications, protective devices, basic system controls, and engine gages shall be grouped in a common control and monitoring panel mounted on the engine generator. Mounting method shall isolate the control panel from engine generator vibration. Panel shall be powered from the engine generator battery.

F. Control and Monitoring Panel:

1. Analog control panel with dedicated gages and indicator lights for the instruments and alarms indicated below.

2. Instruments: Located on the control and monitoring panel and viewable during operation.

a. Engine lubricating-oil pressure gage.

b. Engine-coolant temperature gage.

c. DC voltmeter (alternator battery charging).

d. Running-time meter.

e. AC voltmeter.

f. AC ammeter.

g. AC frequency meter.

h. Generator-voltage-adjusting rheostat.

3. Controls and Protective Devices: Controls, shutdown devices, and common visual alarm indication as required by NFPA 110 for Level 1 system, including the following:

a. Cranking control equipment.

b. Run-Off-Auto switch.

c. Control switch not in automatic position alarm.

d. Overcrank alarm.

e. Overcrank shutdown device.

f. Low water temperature alarm.

g. High engine temperature pre-alarm.

h. High engine temperature.

i. High engine temperature shutdown device.

j. Overspeed alarm.

k. Overspeed shutdown device.

l. Low-fuel main tank.

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1) Low-fuel-level alarm shall be initiated when the level falls below that required for operation for the duration required for the indicated EPSS class.

m. Coolant low-level alarm.

n. Coolant low-level shutdown device.

o. Coolant high-temperature prealarm.

p. Coolant high-temperature alarm.

q. Coolant low-temperature alarm.

r. Coolant high-temperature shutdown device.

s. EPS load indicator.

t. Battery high-voltage alarm.

u. Low-cranking voltage alarm.

v. Battery-charger malfunction alarm.

w. Battery low-voltage alarm.

x. Lamp test.

NVSO Generator Replacement DIESEL EMERGENCY ENGINE GENERATOR 263213.13

y. Contacts for local and remote common alarm.

z. Low-starting air pressure alarm.

aa. Low-starting hydraulic pressure alarm. bb. Remote manual-stop shutdown device. cc. Air shutdown damper alarm when used.

dd. Air shutdown damper shutdown device when used.

ee. Generator overcurrent-protective-device not-closed alarm.

G. Supporting Items: Include sensors, transducers, terminals, relays, and other devices and include wiring required to support specified items. Locate sensors and other supporting items on engine or generator unless otherwise indicated.

2.7 GENERATOR OVERCURRENT AND FAULT PROTECTION

A. Overcurrent protective devices for the entire EPSS shall be coordinated to optimize selective tripping when a short circuit occurs. Coordination of protective devices shall consider both utility and EPSS as the voltage source.

1. Overcurrent protective devices for the EPSS shall be accessible only to authorized personnel.

B. Generator Circuit Breaker: Molded-case, electronic-trip type; 100 percent rated; complying with UL 489.

1. Tripping Characteristics: Adjustable long-time and short-time delay and instantaneous.

2. Trip Settings: Selected to coordinate with generator thermal damage curve.

3. Shunt Trip: Connected to trip breaker when engine generator is shut down by other protective devices.

4. Mounting: Adjacent to or integrated with control and monitoring panel.

C. Generator Disconnect Switch: Molded-case type, 100 percent rated.

1. Trip Rating: Matched to generator output rating.

2. Shunt Trip: Connected to trip switch when signaled by generator protector or by other protective devices.

D. Generator Protector: Microprocessor-based unit shall continuously monitor current level in each phase of generator output, integrate generator heating effect over time, and predict when thermal damage of alternator will occur. When signaled by generator protector or other engine generator protective devices, a shunt-trip device in the generator

Electrical Generators

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1. Initiates a generator overload alarm when generator has operated at an overload equivalent to 110 percent of full-rated load for 60 seconds. Indication for this alarm is integrated with other engine generator malfunction alarms.

Contacts shall be available for load shed functions.

2. Under single- or three-phase fault conditions, regulates generator to 300 percent of rated full-load current for up to 10 seconds.

3. As overcurrent heating effect on the generator approaches the thermal damage point of the unit, protector switches the excitation system off, opens the generator disconnect device, and shuts down the engine generator.

4. Senses clearing of a fault by other overcurrent devices and controls recovery of rated voltage to avoid overshoot.

E. Ground-Fault Indication: Comply with NFPA 70, "Emergency System" signals for ground fault.

1. Indicate ground fault with other engine generator alarm indications.

2. Trip generator protective device on ground fault.

2.8 GENERATOR, EXCITER, AND VOLTAGE REGULATOR

A. Comply with NEMA MG 1.

B. Drive: Generator shaft shall be directly connected to engine shaft. Exciter shall be rotated integrally with generator rotor.

C. Electrical Insulation: Class H or Class F.

D. Stator-Winding Leads: Brought out to terminal box to permit future reconnection for other voltages if required.

Provide 12-lead alternator.

E. Range: Provide limited range of output voltage by adjusting the excitation level.

F. Construction shall prevent mechanical, electrical, and thermal damage due to vibration, overspeed up to 125 percent of rating, and heat during operation at 110 percent of rated capacity.

G. Enclosure: Drip proof.

H. Instrument Transformers: Mounted within generator enclosure.

I. Voltage Regulator: Solid-state type, separate from exciter, providing performance as specified and as required by

NFPA 110.

1. Adjusting Rheostat on Control and Monitoring Panel: Provide plus or minus 5 percent adjustment of output-voltage operating band.

J. Strip Heater: Thermostatically controlled unit arranged to maintain stator windings above dew point.

K. Windings: Two-thirds pitch stator winding and fully linked amortisseur winding.

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L. Subtransient Reactance: 12 percent, maximum.

2.9 VIBRATION ISOLATION DEVICES

A. Integral vibration isolation should be provided per manufacturer’s recommendations.

B. Vibration isolation requirements from generator base to concrete pad shall be determined by manufacturer based on generator type and installation location.

C. Vibration isolation devices shall not be used to accommodate misalignments or to make bends.

2.10 OUTDOOR GENERATOR-SET…