W901UZ22R0001 0002.pdf

W901UZ22R0001

KKGA182013

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

The reason for this amendment is to provide the follow ing:

1-Addendum No. 01 2-Revised Sec. 01 2300 BSD Alt 3-Revised Section 26 3213 Engine Generators 4-Addendum No. 01 Revised Draw ing Sheets 5-Exhibit D 6-Questions and Answ ers 7-Attendance Roster 8-Pow er Point Slides

1. CONTRACT ID CODE PAGE OF PAGES

J 1 8 2

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 26-Apr-2022

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W901UZ22R0001

X 9B. DATED (SEE ITEM 11)

04-Apr-2022

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

26-Apr-2022

CODE

W901UZ USPFO FOR NORTH DAKOTA

W5ALXT NDARNG JFHQ

OUSPFO FOR NORTH DAKOTA

PO BOX 5511, FRAINE BARRACKS

BISMARCK ND 58506

W901UZ 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE (SF 30)

The following have been added by full text:

ADDENDUM NO. 01

April 25, 2022

PROJECT:

Renovate Building 210 Fargo, ND

ADDENDUM NO. 01

Contract Documents for: All Work

BID DATE:

Drawings, Project Manual and Bid Form for the above referenced project are hereby revised in accordance with the items set forth herein. This Addendum supersedes and supplements all portions of the Bidding Documents with which it conflicts.

Receipt of this Addendum shall be acknowledged by entering this Addendum number and date on your proposal.

The following are changes or additions to the drawings and specifications dated July 31, 2021.

Shultz + Associates Architects

By

Jared M. Jensen, AIA

CHANGES TO THE SPECIFICATIONS:

Section 01 0350 Modification Procedures

Replace Paragraph 1.04 E. with the following:

E. Change Order Proposals:

1. When either or both additions and credits covering related work or substitutions are involved in any one change, the allowance for overhead and profit shall be calculated on basis of the net amount of cost or credit.

a. The allowance for overhead and profit combined, included in the total cost shall be based on the following schedule:

612 1/2 Main Avenue

Fargo ND 58103

1) For the Contractor; for added or deleted work performed by the Contractor’s own forces, 15 percent of the cost.

2) For the Contractor; for added or deleted work performed by the Contractor’s Subcontractor, 5 percent of the cost due the Subcontractor.

3) For each Subcontractor or Sub‐subcontractor involved; for added or deleted work performed by the Subcontractor’s own forces; 15 percent of the cost.

4) For each Subcontractor; for added or deleted work performed by the Subcontractor’s Sub‐subcontractor, 5 percent of the amount due the subcontractor.

5) Deduct 5% from 1) and 3) above for individual changes over $10,000.00.

b. In order to facilitate the checking of quotations for extras or credit, all proposals, except those so minor that their propriety can be seen by inspection, shall be accomplished by a complete itemization of costs including labor, materials, and subcontracts. Labor and materials shall be itemized in the manner described above. Where major cost items are subcontract, they shall be itemized also.

c. Overhead includes general office operating costs that are not direct costs related to the project. Overhead items would include, but are not limited to, general company insurance, office rental or operating costs, company vehicles and/or equipment, etc. Overhead shall also include Performance‐Payment Bond costs associated with the contract modification.

The above rates also apply to subcontractors at all tiers.

d. Overhead and profit will not be allowed on labor costs if it is already included in the hourly labor rate.

Section 07 5300 Modifications to Existing Warranted Roof

Revise 2.01 A to read ‘Existing roof is Firestone Fully Adhered 60 mil EPDM and is out of warranty.’

Section 09 6700 Fluid‐Applied Flooring

Revise Paragraph 2.02 A. 1. to read ‘Product: Resuflor Deco Quartz BC23 manufactured by Sherwin Williams.’

Section 13 2000 Air Shower Pass‐Through Chambers

Revise Paragraph 3.01 A. 2. a. 1) to read ‘208V 3 Phase, 60 Hz.’

Revise Paragraph 3.01 A. 4. A. to read ‘Basis of design: Terra Universal; custom model meeting these specifications.’

Section 26 3213 Engine Generators

Replace entire Section with the attached.

CHANGES TO THE DRAWINGS:

Sheet A100

Clarification: Note that fire extinguishers, eye washes, and grounding receptacles shown in Hangar Bay 102 are existing. All safety painting and striping noted is to be provided by Contractor.

Sheet A200

Replace with the attached revised Sheet.

Sheet A600

Replace with the attached revised Sheet.

Sheet A900

Sheet E400

PRIOR APPROVALS:

This product has been approved as acceptable contingent upon compliance with the specifications and drawings, and acceptable installation. Contractor may consider quotation from same in preparing their bid proposals.

SECTION ITEM MANUFACTURER

08 3613 Overhead Doors Midland ThermoGuard 22 1500 Compressed Air Systems Atlas Copco 26 0923 Lighting Control Devices Douglass Digital Controls 26 2416 Panelboards Siemens, Eaton Cutler Hammer 26 5100 Interior Lighting H Columbia Lighting UTB2 Spring Lighting HR 250 WD J Columbia Lighting LXEM4 Metalux 4VT2 V Columbia Lighting LXEM4 Metalux 4VT2 B Kenall CSEDO Fail‐Safe CLMG‐24 A Columbia Lighting LCAT24 Metalux 24CZ2 G Kurtzon TLX12

ATTACHMENTS:

Section 26 3213 Engine Generators, A200, A600, A900, E400

END OF ADDENDUM NO. 01

REVISED SEC. 01 2300 BSD ALT

Shultz + Associates Architects Renovate Building 210 S+A Project No.1431-12 North Dakota Air National Guard, Hector IAP NDANG Project No. KKGA 182013 Fargo, North Dakota

ALTERNATES 01 2300 - 1

PART 1 GENERAL

1. SECTION INCLUDES

• Description of Option Items.

2. ACCEPTANCE OF OPTION ITEMS

SECTION 01 2300 ALTERNATES

1 Option Items quoted on Bid Forms will be reviewed and accepted or rejected at Owner's option. Accepted Option Items will be identified in the Owner-Contractor Agreement.

2 Coordinate related work and modify surrounding work to integrate the Work of each Option Item.

1.05 SCHEDULE OF OPTION ITEMS

A. Option Item No. 1 - Generator:

1. State the amount to be added to Base Bid to provide a new backup generator as illustrated in the electrical drawings.

B. Option Item No. 2 - Hangar Bay Light Replacement:

1. State the amount to be added to Base Bid to provide new LED light fixtures in the hangar bay as inidicated on the Drawings.

C. Option Item No. 3 - Additional Wall & Ceiling Painting:

1. State the amount to be added to Base Bid to provide painting of the walls and ceiling in the hangar bay and the ceiling in the corrosion control bay.

D. Option Item No. 4 - Polished Concrete Floor:

1. State the amount to be added to Base Bid to provide polished concrete flooring in the corrosion control bay as indicated on the Drawings.

END OF

SECTION

REVISED SECTION 26 3213

Shultz + Associates Architects Renovate Building 210 S+A Project No. 1431-12 North Dakota Air National Guard, Hector IAP NDANG Project No. KKGA 182013 Fargo, North Dakota

Engine Generators 26 3213 -

SECTION 26 3213

ENGINE GENERATORS

PART 1 GENERAL

1.01 SECTION INCLUDES

B. Packaged engine generator system and associated components and accessories:

1. Generator set enclosure.

2.02 RELATED REQUIREMENTS

A. Section 03 3000 - Cast-in-Place Concrete: Concrete equipment pads.

B. Section 26 0526 - Grounding and Bonding for Electrical Systems.

C. Section 26 0529 - Hangers and Supports for Electrical Systems.

D. Section 26 0553 - Identification for Electrical Systems: Identification products and requirements.

E. Section 26 3600 - Transfer Switches.

2.03 REFERENCE STANDARDS

A. ASTM D975 - Standard Specification for Diesel Fuel 2021.

B. NECA 1 - Standard for Good Workmanship in Electrical Construction 2015.

C. NECA/EGSA 404 - Standard for Installing Generator Sets 2014.

D. NEMA MG 1 - Motors and Generators 2018.

E. NFPA 30 - Flammable and Combustible Liquids Code 2021, with Amendment (2020).

F. NFPA 37 - Standard for the Installation and Use of Stationary Combustion Engines and Gas Turbines 2021.

G. NFPA 70 - National Electrical Code Most Recent Edition Adopted by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.

H. NFPA 110 - Standard for Emergency and Standby Power Systems 2022.

I. UL 142 - Steel Aboveground Tanks for Flammable and Combustible Liquids Current Edition, Including All Revisions.

J. UL 1236 - Battery Chargers for Charging Engine-Starter Batteries Current Edition, Including All Revisions.

K. UL 2200 - Stationary Engine Generator Assemblies Current Edition, Including All Revisions.

2.04 ADMINISTRATIVE REQUIREMENTS

A. Coordination:

1. Coordinate compatibility of generator sets to be installed with work provided under other sections or by others.

a. Transfer Switches: See Section 26 3600.

2. Coordinate the work with other trades to avoid placement of ductwork, piping, equipment or other potential obstructions within the spaces dedicated for engine generator system.

3. Coordinate arrangement of equipment with the dimensions and clearance requirements of the actual equipment to be installed.

4. Coordinate the work to provide electrical circuits suitable for the power requirements of the actual auxiliary equipment and accessories to be installed.

5. Notify Architect of any conflicts with or deviations from Contract Documents.

Obtain direction before proceeding with work.

B. ng: Convene one week before starting work of this section; require tendance of all affected installers.

Shultz + Associates Architects Renovate Building 210 S+A Project No. 1431-12 North Dakota Air National

1.06 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Product Data: Provide manufacturer's standard catalog pages and data sheets for each product, including ratings, configurations, dimensions, finishes, weights, service condition requirements, and installed features. Include alternator starting capabilities, engine fuel consumption rates, and cooling, combustion air, and exhaust requirements.

1. Include generator set sound level test data.

2. Include characteristic trip curves for overcurrent protective devices.

3. Include alternator thermal damage curve.

C. Shop Drawings: Include dimensioned plan views and sections indicating locations of system components, required clearances, and field connection locations. Include system interconnection schematic diagrams showing all factory and field connections.

D. Derating Calculations: Indicate ratings adjusted for applicable service conditions.

E. Fuel Storage Tank Calculations: Indicate maximum running time for generator set configuration provided.

F. Manufacturer's Installation Instructions: Indicate application conditions and limitations of use stipulated by product testing agency. Include instructions for storage, handling, protection, examination, preparation, installation, and operation of product.

G. Manufacturer's factory emissions certification.

H. Manufacturer's certification that products meet or exceed specified requirements.

I. Source quality control test reports.

J. Provide NFPA 110 required documentation from manufacturer, including but not limited to:

1. NFPA 110 compliance certification.

2. Certified rated load test at rated power factor.

K. Manufacturer’s detailed field testing procedures.

L. Field quality control test reports.

M. Operation and Maintenance Data: Include detailed information on system operation, equipment programming and setup, replacement parts, and recommended maintenance procedures and intervals.

1. Include contact information for entity that will be providing contract maintenance and trouble call-back service.

N. Executed Warranty: Submit documentation of final executed warranty completed in Owner's name and registered with manufacturer.

O. Project Record Documents: Record actual locations of system components, installed circuiting arrangements and routing, and final equipment settings.

P. Maintenance Materials: Furnish the following for Owner's use in maintenance of project.

1. See Section 01 6000 - Product Requirements, for additional provisions.

Q. Product Data: Provide data showing dimensions, weights, ratings, interconnection points, and internal wiring diagrams for engine, generator, control panel, battery, battery rack, battery charger, exhaust silencer, vibration isolators, and enclosure system.

1.07 QUALITY ASSURANCE

A. Comply with the following:

1. NFPA 70 (National Electrical Code).

2. NFPA 110 (Standard for Emergency and Standby Power Systems); meet requirements for

Level 1 system.

3. NFPA 37 (Standard for the Installation and Use of Stationary Combustion Engines and

Gas Turbines).

4. NFPA 30 (Flammable and Combustible Liquids Code).

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Shultz + Associates Architects Renovate Building 210 S+A Project No. 1431-12 North Dakota Air National

B. Manufacturer Qualifications: Company specializing in manufacturing the products specified in this section with minimum three years documented experience.

1. Authorized service facilities located within 100 miles ([ ] km) of project site.

C. Product Listing Organization Qualifications: An organization recognized by OSHA as a Nationally Recognized Testing Laboratory (NRTL) and acceptable to authorities having jurisdiction.

1.07 PRE-DELIVERY TESTING

A. The system manufacturer shall perform post production tests on the generator set supplied. A certified report shall be submitted for review before the units are prepared for shipment.

B. Prior to delivery and acceptance, the generator set shall be tested to show it is free of any defects and will start automatically and carry full load. This testing shall be performed at the facility of the system manufacturer. Testing shall be performed after assembly with all operating accessories. Tests to be performed but not limited to the following:

1. Time interval between initiation of startup from cold conditions and the point generator output is regulated to the specified steady state voltage and frequency conditions.

2. Voltage and frequency regulation within the specified limits upon one-step increase and decrease from no-load to full-load.

3. Full power output without overheating at rated power factor specified maximum operating ambient temperature, and corrected to the altitude of the installation site.

4. Before engine generator set is prepared for shipment, submit certified test results indicating values and adjustments used, and identify engine generator set by manufacturer's serial numbers.

1.08 DELIVERY, STORAGE, AND HANDLING

A. Receive, inspect, handle, and store generator sets in accordance with manufacturer's instructions and NECA/EGSA 404.

B. Store in a clean, dry space. Maintain factory wrapping or provide an additional heavy canvas or heavy plastic cover to protect units from dirt, water, construction debris, and traffic.

C. Handle carefully in accordance with manufacturer's instructions to avoid damage to generator set components, enclosure, and finish.

1.09 FIELD CONDITIONS

A. Maintain field conditions within manufacturer's required service conditions during and after installation.

1.10 WARRANTY

A. See Section 01 7800 - Closeout Submittals, for additional warranty requirements.

B. Provide minimum one year manufacturer warranty covering repair or replacement due to defective materials or workmanship.

C. Delivery shall be FOB to the jobsite by the system manufacturer's authorized dealer. A visual inspection shall be made by the Engineer and the Owner's representative prior to acceptance.

PART 2 PRODUCTS

2.01 MANUFACTURERS

A. Packaged Engine Generator Set - Basis of Design: MTU Onsite Energy.

B. Packaged Engine Generator Set- Other Acceptable Manufacturers:

1. Caterpillar Inc: www.cat.com.

2. Cummins Power Generation Inc: www.cumminspower.com.

C. Products other than basis of design are subject to compliance with specified requirements and prior approval of Engineer. By using products other than basis of design, Contractor accepts responsibility for costs associated with any necessary modifications to related work, including any design fees.

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Shultz + Associates Architects Renovate Building 210 S+A Project No. 1431-12 North Dakota Air National

D. Source Limitations: Furnish engine generator sets and associated components and accessories produced by a single manufacturer and obtained from a single supplier.

2.02 PACKAGED ENGINE GENERATOR SYSTEM

A. Provide new engine generator system consisting of all required equipment, sensors, conduit, boxes, wiring, piping, supports, accessories, system programming, etc. as necessary for a complete operating system that provides the functional intent indicated.

B. Provide products listed, classified, and labeled as suitable for the purpose intended.

C. System Description:

1. Application: Emergency/standby.

2. Configuration: Single packaged engine generator set operated independently (not in parallel).

3. Total System Power Rating: 300kW, standby.

D. Packaged Engine Generator Set:

1. Type: Diesel (compression ignition).

2. Emissions Rating (Diesel Engines Only):

a. Engine to be rated Tier 2 or Tier 3 to meet EPA performance standards for an emergency only generator installation

3. Basis of Design: MTU.

4. Voltage: 480Y/277 V, 3 phase, 60 Hz.

5. Main Line Circuit Breaker:

a. Type: Electronic trip with adjustable long time, long delay, short time, short delay and instantaneous trip elements. Provide a GFCI element with adjustable trip and delay elements on all circuit breakers rated 1200 amperes and larger..

b. Trip Rating: As indicated on drawings.

c. Include battery-voltage operated shunt trip, connected to open circuit breaker on engine failure. Unit mount in enclosure to meet NEMA 250, Type 1 requirements.

Provide quantity and size ratings as shown on the Drawings.

d. Features:

1) Shunt trip. Shunt trip coil to be rated 24 volts, DC.

2) Auxiliary contacts.

E. Generator Set General Requirements:

1. Prototype tested in accordance with NFPA 110 for Level 1 systems.

2. Factory-assembled, with components mounted on suitable base.

3. List and label engine generator assembly as complying with UL 2200.

4. Power Factor: Unless otherwise indicated, specified power ratings are at 0.8 power factor for three phase voltages and 1.0 power factor for single phase voltages.

5. Provide suitable guards to protect personnel from accidental contact with rotating parts, hot piping, and other potential sources of injury.

6. Main Line Circuit Breakers: Provide factory-installed line side connections with suitable lugs for load side connections.

F. Service Conditions: Provide engine generator system and associated components suitable for operation under the service conditions at the installed location.

1. Altitude: 1000 feet ([ ] m).

2. Ambient Temperature: Between [-25] and 104 degrees F ([ ] and 40 degrees C).

G. Starting and Load Acceptance Requirements:

1. Cranking Method: Cycle cranking complying with NFPA 110 (15 second crank period, followed by 15 second rest period, with cranking limiter time-out after 3 cycles), unless otherwise required.

2. Cranking Limiter Time-Out: If generator set fails to start after specified cranking period, indicate overcrank alarm condition and lock-out generator set from further cranking until manually reset.

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Shultz + Associates Architects Renovate Building 210 S+A Project No. 1431-12 North Dakota Air National

3. Start Time: Capable of starting and achieving conditions necessary for load acceptance within 10 seconds (NFPA 110, Type 10).

4. Maximum Load Step: Supports 100 percent of rated load in one step.

5. Motor Starting Capability: Supports starting of motor load indicated with a maximum voltage dip of 30 percent.

H. Exhaust Emissions Requirements:

1. Comply with federal (EPA), state, and local regulations applicable at the time of commissioning; include factory emissions certification with submittals.

2. Do not make modifications affecting generator set factory emissions certification without approval of manufacturer and Engineer. Where such modifications are made, provide field emissions testing as necessary for certification.

I. Sound Level Requirements:

1. Do not exceed 78 dBA when measured at 23 feet (7 m) from generator set in free field (no sound barriers) while operating at full load; include manufacturer's sound data with submittals.

2.03 ENGINE AND ENGINE ACCESSORY EQUIPMENT

A. Provide engine with adequate horsepower to achieve specified power output at rated speed, accounting for alternator efficiency and parasitic loads.

B. Engine Fuel System - Diesel (Compression Ignition):

1. Fuel Source: Diesel, ASTM D975 No. 2-D or approved cold weather diesel blends.

2. Fuel Storage: Sub-base fuel tank.

3. Engine Fuel Supply: Provide engine-driven, positive displacement fuel pump with replaceable fuel filter(s), water separator, check valve to secure prime, manual fuel priming pump, and relief-bypass valve. Provide fuel cooler where recommended by manufacturer.

4. Engine Fuel Connections: Provide suitable, approved flexible fuel lines for coupling engine to fuel source.

5. Sub-Base Fuel Tank:

a. Provide sub-base mounted, double-wall fuel tank with secondary containment; listed and labeled as complying with UL 142.

b. Tank Capacity: Size for minimum of 24 hours of continuous engine generator operation at 100 percent rated load, but not larger than permissible by applicable codes.

c. Features:

1) Direct reading fuel level gauge.

2) Normal atmospheric vent.

3) Emergency pressure relief vent.

4) Fuel fill opening with lockable cap.

5) Dedicated electrical conduit stub-up area.

6) Low fuel level switch.

7) Leak detection switch; located within secondary containment interstitial space for detection of primary tank fuel leak.

C. Engine Starting System:

1. System Type: Electric, with DC solenoid-activated starting motor(s).

2. Battery(s):

a. Battery Type: Lead-acid.

b. Battery Capacity: Size according to manufacturer's recommendations for achieving starting and load acceptance requirements under worst case ambient temperature;

capable of providing cranking through two complete periods of cranking limiter time-outs without recharging.

c. Provide battery rack, cables, and connectors suitable for the supplied battery(s); size battery cables according to manufacturer's recommendations for cable length to be

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Shultz + Associates Architects Renovate Building 210 S+A Project No. 1431-12 North Dakota Air National installed.

3. Battery-Charging Alternator: Engine-driven, with integral solid-state voltage regulation.

4. Battery Charger:

a. Provide dual rate battery charger with automatic float and equalize charging modes and minimum rating of 10 amps; suitable for maintaining the supplied battery(s) at full charge without manual intervention.

b. Capable of returning supplied battery(s) from fully discharged to fully charged condition within 24 hours, as required by NFPA 110 for Level 1 applications while carrying normal loads.

c. Recognized as complying with UL 1236.

d. Furnished with integral overcurrent protection; current limited to protect charger during engine cranking; reverse polarity protection.

e. Provide integral DC output ammeter and voltmeter with five percent accuracy.

f. Provide alarm output contacts as necessary for alarm indications.

D. Engine Speed Control System (Governor):

1. Single Engine Generator Sets (Not Operated in Parallel): Provide electronic isochronous governor for controlling engine speed/alternator frequency.

2. Generator Sets Used with Closed Transition Transfer Switches: Provide electronic isochronous governor with frequency regulation suitable for transfer.

3. Frequency Regulation, Electronic Isochronous Governors: No change in frequency from no load to full load; plus/minus 0.25 percent at steady state.

E. Engine Lubrication System:

1. System Type: Full pressure, with engine-driven, positive displacement lubrication oil pump, replaceable full-flow oil filter(s), and dip-stick for oil level indication. Provide oil cooler where recommended by manufacturer.

F. Engine Cooling System:

1. System Type: Closed-loop, liquid-cooled, with unit-mounted radiator/fan and engine-driven coolant pump; suitable for providing adequate cooling while operating at full load under worst case ambient temperature.

2. Fan Guard: Provide suitable guard to protect personnel from accidental contact with fan.

3. Coolant Heater: Provide thermostatically controlled coolant heater to improve starting under cold ambient conditions; size according to manufacturer's recommendations for achieving starting and load acceptance requirements under worst case ambient temperature.

G. Engine Air Intake and Exhaust System:

1. Air Intake Filtration: Provide engine-mounted, replaceable, dry element filter.

2. Engine Exhaust Connection: Provide suitable, approved flexible connector for coupling engine to exhaust system.

3. Exhaust Silencer: Provide critical grade or better exhaust silencer with sound attenuation not less than basis of design; select according to manufacturer's recommendations to meet sound performance requirements, where specified.

4. Exhaust Piping

a. The engine exhaust system shall be installed to discharge combustion gases quickly and silently with minimum restriction. System back pressure shall in no case exceed

6.7 kPa (27 inches of water). Piping shall be supported and braced to prevent weight or thermal growth being transferred to the engine and flexible expansion fittings provided to accommodate terminal growth. Support dampers and springs shall be included where necessary to isolate vibration. Long runs of pipe shall be pitched away from the engine and water traps installed at the lowest point. Exhaust stacks shall be extended to avoid nuisance fumes and odors, and outlets out at 45 degree to minimize noise.

b. The exhaust silencer shall be mounted near the engine to minimize noise and condensation, and pitched away from the engine. A water trap and drain cock shall

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Shultz + Associates Architects Renovate Building 210 S+A Project No. 1431-12 North Dakota Air National be provided for draining of moisture.

c. Heavy walled piping such as Schedule 40 is preferred, with radii of 90 degree bends at least 1-1/2 times the pipe diameter. Piping shall be installed with 9-inch minimum clearance from combustible material of incorporated appropriate insulating and shielding.

d. Provide a wall or roof thimble of proper size for the exhaust system and the proper rating for the type of material that the piping is routed through.

5. Exhaust Piping and Silencer Insulation

a. Engine exhaust pipes between engine exhaust manifolds, including muffler, and penetration on roof (wall) shall be insulated with two layers of thick molded, rigid, high temperature pipe insulation. The first layer of insulation shall be 2" thick, 6 lb. density, ceramic wool rated for 1900 F. The second layer of insulation shall be 2" thick, 6 lb.

density, mineral wool or construction. Sections and segments shall be secured with wire loops or bands on 12 inch calcium silicate rated at 1200F. Insulation shall be applied in two layer staggered joint centers. Fittings and flanges shall be insulated with sectional pipe insulation and/or blocks of the same materials, fabricated in sections, if desired, before application, and finished with a filling and smoothing coat of high temperature insulating cement. Pipe insulation shall be finished with a separate field applied jacket of 0.02" thick aluminum alloy.

H. Lubrication System

1. The lubrication oil pump shall be a positive displacement type that is integral with the engine and gear driven from the engine gear train. The system shall incorporate full flow filtration with bypass valve to continue lubrication in the event of filter clogging.

2. The bypass valve must be integral with the engine filter base or receptacle. Systems where bypass valves are located in the replaceable oil filter are not acceptable. Pistons shall be oil cooled by continuous jet spray to the underside of the crown and piston ring.

2.04 ALTERNATOR (GENERATOR)

A. Alternator: 4-pole, 1800 rpm (60 Hz output) revolving field, synchronous generator complying with NEMA MG 1; connected to engine with flexible coupling; voltage output configuration as indicated, with reconnectable leads for 3 phase alternators.

B. Exciter:

1. Exciter Type: Brushless; provide permanent magnet generator (PMG) excitation system;

self-excited (shunt) systems are not permitted.

2. PMG Excitation Short-Circuit Current Support: Capable of sustaining 300 percent of rated output current for 10 seconds.

3. Voltage Regulation (with PMG excitation): Plus/minus 0.5 percent for any constant load from no load to full load.

C. Temperature Rise: Comply with UL 2200.

D. Insulation System: NEMA MG 1, Class H; suitable for alternator temperature rise.

E. Enclosure: NEMA MG 1, drip-proof.

F. Total Harmonic Distortion: Not greater than five percent.

2.05 GENERATOR SET CONTROL SYSTEM

A. Provide microprocessor-based control system for automatic control, monitoring, and protection of generator set. Include sensors, wiring, and connections necessary for functions/indications specified.

B. Control Panel:

1. Control Panel Mounting: Unit-mounted unless otherwise indicated; vibration isolated.

2. Generator Set Control Functions:

a. Automatic Mode: Initiates generator set start/shutdown upon receiving corresponding signal from remote device (e.g. automatic transfer switch).

b. Manual Mode: Initiates generator set start/shutdown upon direction from operator.

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c. Reset Mode: Clears all faults, allowing generator set restart after a shutdown.

d. Emergency Stop: Immediately shuts down generator set (without time delay) and prevents automatic restarting until manually reset.

e. Cycle Cranking: Programmable crank time, rest time, and number of cycles.

f. Time Delay: Programmable for shutdown (engine cooldown) and start (engine warmup).

g. Voltage Adjustment: Adjustable through range of plus/minus 5 percent.

h. Provide 4-20 mA or 0-10 V output to indicate percent load on the alternator for use by building automation system.

3. Generator Set Status Indications:

a. Voltage (Volts AC): Line-to-line, line-to-neutral for each phase.

b. Current (Amps): For each phase.

c. Frequency (Hz).

d. Real power (W/kW).

e. Reactive power (VAR/kVAR).

f. Apparent power (VA/kVA).

g. Power factor.

h. Duty Level: Actual load as percentage of rated power.

i. Engine speed (RPM).

j. Battery voltage (Volts DC).

k. Engine oil pressure.

l. Engine coolant temperature.

m. Engine run time.

n. Generator powering load (position signal from transfer switch).

4. Generator Set Protection and Warning/Shutdown Indications:

a. Comply with NFPA 110; configurable for NFPA 110 Level 1 or Level 2, or NFPA 99 systems including but not limited to the following protections/indications:

1) Overcrank (shutdown).

2) Low coolant temperature (warning).

3) High coolant temperature (warning).

4) High coolant temperature (shutdown).

5) Low oil pressure (shutdown).

6) Overspeed (shutdown).

7) Low fuel level (warning).

8) Low coolant level (warning/shutdown).

9) Generator control not in automatic mode (warning).

10) High battery voltage (warning).

11) Low cranking voltage (warning).

12) Low battery voltage (warning).

13) Battery charger failure (warning).

b. In addition to NFPA 110 requirements, provide the following protections/indications:

1) High AC voltage (shutdown).

2) Low AC voltage (shutdown).

3) High frequency (shutdown).

4) Low frequency (shutdown).

5) Overcurrent (shutdown).

6) Fuel tank leak (warning), where applicable.

c. Provide contacts for local and remote common alarm.

d. Provide lamp test function that illuminates all indicator lamps.

5. Other Control Panel Features:

a. Event log.

C. Remote Annunciator:

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Shultz + Associates Architects Renovate Building 210 S+A Project No. 1431-12 North Dakota Air National

1. Remote Annunciator Mounting: Wall-mounted; Provide flush-mounted annunciator for finished areas and surface-mounted annunciator for non-finished areas unless otherwise indicated.

2. Generator Set Status Indications:

a. Generator powering load (via position signal from transfer switch).

b. Communication functional.

3. Generator Set Warning/Shutdown Indications:

a. Comply with NFPA 110 for Level 1 systems including but not limited to the following indications:

1) Overcrank (shutdown).

2) Low coolant temperature (warning).

3) High coolant temperature (warning).

4) High coolant temperature (shutdown).

5) Low oil pressure (shutdown).

6) Overspeed (shutdown).

7) Low fuel level (warning).

8) Low coolant level (warning/shutdown).

9) Generator control not in automatic mode (warning).

10) High battery voltage (warning).

11) Low cranking voltage (warning).

12) Low battery voltage (warning).

13) Battery charger failure (warning).

b. Provide audible alarm with silence function.

c. Provide lamp test function that illuminates all indicator lamps.

D. Remote Emergency Stop: Provide approved red, mushroom style remote emergency stop button adjacent to the remote annunciator. Install the push button in a guarded and alarmed enclosure to avoid accidental operation.

2.06 GENERATOR SET ENCLOSURE

A. Walk-In Enclosure: Pre-fabricated, skid mounted unit with engine generator, motorized air intake and exhaust louvers, controls, space heaters, and light fixtures. Provide 3 foot access aisle around the engine-generator, with at least two doors for personnel access. Provide 9 feet clear height minimum. Construct unit from insulated metal panels to provide sound and thermal insulation.

1. A weatherproof modular insulated enclosure, designed to allow full load operation of the engine generator system and all of its accessories, shall be sized for the exact unit being installed.

2. General: The enclosure shall be of the welded and bolted design with all fabricated steel parts conforming to ASTM 569, specification C-1018, and all structural steel conforming to ASTM A36. No external fasteners allowing corrosion to form will be allowed. All parts are to be individually prepped and primed prior to assembly. Finish color is to be selected by Owner.

3. Roof: The roof shall be of the 6-inch to 8-inch tapered design for moisture runoff, with 12 gauge steel roof members and 16 gauge steel roof panels. Lifting eyes shall be supplied.

The exhaust outlet(s) shall be supplied with a 3/16-inch steel ring, 1 inch above the roofline to prevent moisture from entering the enclosure. The roof shall be one (1) inch wider and longer than the housing.

4. Walls: The walls shall be a minimum of four (4) inches deep, of the fabricated design, and of 14 gauge steel.

5. Base: The base of the enclosure shall be designed for skid-base installation, and shall include a means for fastening to the concrete slab. The skid-base style shall include structural or fabricated channel construction with a 7 gauge steel sheet floor with removable rubber matting installed on the walking areas.

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Shultz + Associates Architects Renovate Building 210 S+A Project No. 1431-12 North Dakota Air National

6. Louvers: The air openings shall include motorized dampers with fixed louvers sized to allow proper air flow. The frames and blades shall be manufactured of aluminum, and the fronts shall be covered with expanded aluminum screen. Motorized louvers are to include bronze Oilite pivots and Belimo 120.9US power/spring close, 120 volt motors.

7. Doors: Adequate doors shall be installed for sufficient access to the generator set and all accessories. Single doors shall be 36 inches wide and 84 inches high. Double doors shall be 60 inches wide and 84 inches high. As standard, doors shall include steel hinges with brass pins, rainrail moldings above all door openings, recessed, keyed, chrome plated handles with positive rod locking assemblies, and fully weatherstripped. Doors shall be removable.

8. Emergency Battery Light: The enclosure shall contain an emergency battery light fixtures with integral batteries for minimum of 90 minute operation. A minimum level of one (1) footcandle along walking areas is required.

9. Paint: All seams shall be caulked with body sealer. Enclosure shall be metal prepped, primed with two coats of epoxy primer, and finished with two coats of acrylic urethane enamel paint. Color selected by Owner.

10. Exhaust Silencer Mounting: Silencer to come mounted within the enclosure. Mounting the silencer on the roof of the enclosure in not permitted. Silencer and all exhaust piping to be insulated.

11. Insulation: The walls, roof and doors shall be lined with fiberglass insulation matching the wall thickness, complete with 22 gauge galvanized liner installed with pop rivet construction. Provide additional sound attenuation with perforated liner.

12. Sound Attenuation: Design sound levels shall be 75 dBA, as measured at a distance of 23 feet around the housing in a free field environment. Additional wall and insulation thickness, plus air discharge and intake hoods or sound attenuators, shall be installed to meet design sound levels.

13. Fuel Tanks: A skidbase fuel tank of the double wall design shall be incorporated into the skid of the enclosure. Fuel tank shall be sized to provide 24 hours of backup time with the generator operating at 80 percent of rated load in kilowatts. Structural and fabricated rails shall be designed for the capacities and weights of the entire system. As a minimum, the rails shall be of 7 gauge, formed steel, with 7 gauge top, bottom, and baffles. A 2-inch fill, with lockable cap, tank vent, mechanical gauge, rupture basin vent, emergency relief vent, drain, low level alarm dry contacts, ports for supply and return, and one (1) spare connection. Rupture basin shall have leak detection dry contacts. A conduit stub-up area shall be built into tank to route conduits to the generator connection area from below the tank.

14. Equipment Installation: The enclosure manufacturer shall install and wire the generator set and all related transfer and distribution equipment and all ancillary systems for the proper operation of the total system prior to shipment to the job site. Included shall be a 30 KVA dry type step down transformer 480-208/120Y volt with 100 amp disconnect, 100 amp minimum circuit breaker panel, with circuit breakers for lights, outlets, louver motors, engine water jacket heater, battery charger, and a 5 kW enclosure heater, all prewired prior to delivery to jobsite.

15. Ductwork: The installer of the generator set shall install a galvanized air discharge duct, with flexible section, between the engine radiator and the air exhaust louver/damper assembly.

16. Fire Suppression: Provide IBC certified fire suppression system. Adhere certification sticker on outside of enclosure near manufacturer identification.

2.07 SOURCE QUALITY CONTROL

A. Perform production tests on generator sets at factory to verify operation and performance characteristics prior to shipment. Include certified test report with submittals.

B. Generator Set production testing to include, at a minimum:

1. Operation at rated load and rated power factor.

2. Single step load pick-up.

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Shultz + Associates Architects Renovate Building 210 S+A Project No. 1431-12 North Dakota Air National

3. Transient and steady state voltage and frequency performance.

4. Operation of safety shutdowns.

C. Diesel Fuel Storage Tanks: Perform pressurized leak test prior to shipment.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that field measurements are as indicated.

B. Verify that the ratings and configurations of generator sets and auxiliary equipment are consistent with the indicated requirements.

C. Verify that rough-ins for field connections are in the proper locations.

D. Verify that mounting surfaces are ready to receive equipment.

E. Verify that conditions are satisfactory for installation prior to starting work.

3.02 INSTALLATION

A. Perform work in accordance with NECA 1 (general workmanship).

B. Install products in accordance with manufacturer's instructions.

C. Install generator sets and associated accessories in accordance with NECA/EGSA 404.

D. Arrange equipment to provide minimum clearances and required maintenance access.

E. Provide required support and attachment in accordance with Section 26 0529.

F. Use manufacturer's recommended oil and coolant, suitable for the worst case ambient temperatures.

G. Provide diesel fuel piping and venting in accordance with Section 23 1113, where not factory installed.

H. Provide duct for cooling air intake/exhaust in accordance with Section 23 3100, where not factory installed.

I. Provide engine exhaust piping in accordance with Section 23 5100, where not factory installed.

1. Include piping expansion joints, piping insulation, thimble, condensation trap/drain, rain cap, hangers/supports, etc. as indicated or as required.

2. Do not exceed manufacturer's maximum back pressure requirements.

3. Insulate all exhaust piping and the exhaust silencer.

J. Install exhaust silencer in accordance with Section 23 5100, where not factory installed.

K. Provide grounding and bonding in accordance with Section 26 0526.

L. Identify system wiring and components in accordance with Section 26 0553.

M. Provide grounding at generator set location with two ground rods and #3/0 copper conductors as specified in Section 26 0526 - Grounding and Bonding. Bond generator neutral conductor to grounding rod network in generator output junction box.

N. Provide concrete base as specified in Section 260585 - Concrete Pads and Bases.

O. Provide an adequate quantity of fuel for testing purposes. Provide fuel blend appropriate for temperature conditions.

3.03 FIELD QUALITY CONTROL

A. Provide services of a manufacturer's authorized representative to prepare and start systems and perform inspection and testing. Include manufacturer's detailed testing procedures and field reports with submittals.

B. Notify Owner and Architect at least two weeks prior to scheduled inspections and tests.

C. Notify authorities having jurisdiction and comply with their requirements for scheduling inspections and tests and for observation by their personnel.

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D. Provide all equipment, tools, and supplies required to accomplish inspection and testing, including load bank and fuel.

E. Preliminary inspection and testing to include, at a minimum:

1. Inspect each system component for damage and defects.

2. Verify tightness of mechanical and electrical connections are according to manufacturer's recommended torque settings.

3. Check for proper oil and coolant levels.

F. Prepare and start system in accordance with manufacturer's instructions.

G. Perform acceptance test in accordance with NFPA 110.

H. Inspection and testing to include, at a minimum:

1. Verify compliance with starting and load acceptance requirements.

2. Verify voltage and frequency; make required adjustments as necessary.

3. Verify phase sequence.

4. Verify control system operation, including safety shutdowns.

5. Verify operation of auxiliary equipment and accessories (e.g. battery charger, heaters, etc.).

6. Perform load tests in accordance with NFPA 110 (1.5 hour building load test followed by

2 hour full load test). Simulate power failure including operation of transfer switch, automatic starting cycle, and automatic shutdown and return to normal.

a. The testing shall be done on dry type, resistive load banks capable of definite and precise incremental loading. Salt water brine tanks or load banks requiring water as a source of cooling will not be allowed.

b. The load banks shall not be dependent on the generator control instruments to read amperage and voltage on each phase; rather, the test instrumentation will serve as a check of the generator set meters.

c. All consumables necessary for testing shall be furnished by the Bidder. Any defects which become evident during the test shall be corrected by the Bidder at his own expense.

I. Provide field emissions testing where necessary for certification.

J. Sound Level Tests: Measure sound levels for compliance with specified requirements.

Identify and report ambient noise conditions.

K. Correct defective work, adjust for proper operation, and retest until entire system complies with Contract Documents.

L. Submit detailed reports indicating inspection and testing results and corrective actions taken.

3.04 CLEANING

A. Clean exposed surfaces to remove dirt, paint, or other foreign material and restore to match original factory finish.

3.05 CLOSEOUT ACTIVITIES

A. Demonstration: Demonstrate proper operation of system to Owner, and correct deficiencies or make adjustments as directed.

B. Training: Train Owner's personnel on operation, adjustment, and maintenance of system.

1. Use operation and maintenance manual as training reference, supplemented with additional training materials as required.

2. Provide minimum of two hours of training.

3. Instructor: Manufacturer's authorized representative.

4. Location: At project site.

3.06 PROTECTION

A. Protect installed engine generator system from subsequent construction operations.

END OF

SECTION

A12

MAIN LEVEL FLOOR PLAN

Scale: 1/8" = 1'-0"

SHOWERS ACRYLIC SONATA II K-1699

SHOWERS ACRYLIC SONATA II K-1699

STORAGE

HALL

WOMEN'S

LOCKER

MEN'S

LOCKER

SHOWER

SHOWER

LAUNDRY

VESTIBULE

AIR

SHOWER

COMPOSITE

LAY-UP

PAINT

ROOM

PAINT

BOOTH

SANDING

BOOTH

MEDIA

BLASTING

HALL

TOILET

HALL

WEAPONS

RELEASE

WEAPONS

LOADING

126A

126B

124A

A

A

B

B

B

134A

121B

A

B

124B 123

A

A7

A900

HANGAR

BAY

G13

A500

A12

A200

C12

A200

F12

A200

G11

A101

A12

A300

D3

A300

A3

A300

F12

A300

C5

A500

D12

A300

TYP

WOMEN'S

LOCKER

113A

E9

A900

PATCH/REPAIR CONC FLR

& CMU WALLS @

REMOVED LOCKERS

PATCH/REPAIR

CMU WALL @

REMOVED

RECESSED PTD

PATCH/REPAIR CONC FLR & ADJACENT

WALLS AS REQ'D @ REMOVED

PLUMBING FIXTURES & WALL

124C

122B

15'-6" 11'-2" 10'-4"

15'-6" 16'-2" 5'-4"

8'-4" 33'-10"

EXIST RAIN

LEADER TO

REMAIN -

PROTECT IN

PLACE

EYEWASH

STATION

EYEWASH

STATION

EYEWASH

STATION

EYEWASH

STATION

UTILITY SINK

9'-3" 10'-11" 10'-3"

23'-4"

GC TO PATCH EXIST

FLOOR SLAB AS REQ'D

TO MATCH EXIST 8" SLAB

DEPTH FOLLOWING

UNDERGROUND

PLUMBING INSTALL &

COMPACTION - DOWEL

INTO EXIST SLAB W/ #4 @

16" O.C. EA WAY

PATCH/REPAIR CMU WALL @

REMOVED RECESSED SND

C

L R

M

I N

C

L R

M I N

C

L R

M

I N

GROUNDING RECEPTACLE

- PT PER UFC 3-575-01

AIRCRAFT POSITION CENTERLINE &

NOSE GEAR STOP - 6" WIDE YELLOW OR

WHITE STRIP TO MATCH MARKING FROM

OUTSIDE HANGAR

AIRCRAFT CLEARANCE BOUNDARY LINE

- 6" YELLOW WIDE STRIP; BOUNDARY

STARTED @ FIXED OBSTRUCTIONS

ALONG ADJACENT WALL

AIRCRAFT CLEARANCE BOUNDARY LINE

- 6" YELLOW WIDE STRIP; BOUNDARY

STARTED @ FIXED OBSTRUCTIONS

ALONG ADJACENT WALL

SAFETY EYEWASH SHOWER - GREEN

2'-0" CLEARANCE BOUNDARY

SURROUNDING STATION

SAFETY EYEWASH SHOWER - GREEN

2'-0" CLEARANCE BOUNDARY

SURROUNDING STATION

FIRE EXTINGUISHER - RED 2'-0"

CLEARANCE BOUNDARY SURROUNDING

EXTINGUISHER

H

1411 129 107 85 63 41 2

G

F

E

D

C

B

A

H

G

F

E

D

C

B

A

13 1411 129 107 85 63 41 2

Date

Drawing Title

July 23, 2021 1431-12

Shultz + Associates Architects

612 1/2 Main Avenue

Fargo, North Dakota

701.476.0714 p

701.476.0709 f

GENERAL NOTES

RENOVATE BUILDING 210

Project No. KKGA182013

Fargo, North Dakota

ARCHITECT

612 1/2 Main Avenue Fargo, ND 58103

(701) 476-0714 voice (701) 476-0709 fax

CIVIL ENGINEER

MBN Engineering

503 7th St. N., Suite 200

Fargo, North Dakota

701.478.6336 p

701.478.6340 f

MECHANICAL ENGINEER

MBN Engineering

503 7th St. N., Suite 200

Fargo, North Dakota

701.