MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 009113 – ADDENDA NO. 2
-------------------------------------------------------------DOCUMENT 009113 - ADDENDA
1.1
PROJECT INFORMATION
A.
Project Name: Maintenance Facility, Street Department.
B.
Owner: City of Brookings.
C.
Architect: Banner Associates, Inc.
D.
Architect Project Number: 21902.00.01.
E.
Date of Addendum: June 24, 2015.
1.2
NOTICE TO BIDDERS
A.
This Addendum is issued to all registered plan holders pursuant to the Instructions to Bidders and
Conditions of the Contract. This Addendum serves to clarify, revise, and supersede information in the
Project Manual, Drawings, and previously issued Addenda. Portions of the Addendum affecting the
Contract Documents will be incorporated into the Contract by enumeration of the Addendum in the
Owner/Contractor Agreement.
B.
The Bidder shall acknowledge receipt of this Addendum in the appropriate space on the Bid Form.
C.
The date for receipt of bids is unchanged by this Addendum at same time and location.
1.
1.3
Bid Date: 2:00 P.M., Local Time, June 30, 2015
ATTACHMENTS
A.
1.4
This Addendum includes the following attached Documents and Specification Sections:
1.
Mechanical/Electrical Addendum No. 2 (new)
REVISIONS TO DIVISIONS 02 - 49 SPECIFICATION SECTIONS
A.
Specification Section 07 5323 – Ethylene-Propylene-Diene-Monomer (EPDM) Roofing (not reissued)
1.
Paragraph 2.1 EPDM Membrane Roofing, Section A, Note 1, Page 075323-3:
a.
Add: d. Genflex Roofing Systems
2.
Paragraph 2.3 Vapor Retarder, Page 075323-4:
a.
Add B. Self-Adhering-Sheet Vapor Retarder: Polyethylene film laminated to layer of butyl
rubber adhesive, minimum 30-mil total thickness; maximum permeance rating of 0.1 perm;
cold applied, with slip-resisting surface and release paper backing. Provide primer when
recommended by vapor-retarder manufacturer. Self-Adhering-Sheet Vapor Retarder to be
installed on concrete deck above Wash Bay 118.
3.
Paragraph 3.4 Insulation Installation, Page 075323-6:
a.
Clarification: On concrete deck above Wash Bay 118 roofing insulation shall be fullyadhered with no mechanical fasteners.
#21902.00.01
009113 - 1
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MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 009113 – ADDENDA NO. 2
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This Page Intentionally Left Blank
#21902.00.01
009113 - 4
6/24/2015
ADDENDUM #2
SIOUX FALLS
4609 S. Techlink Circle
Ph: (605) 362-3753
Sioux Falls, SD 57106
Fax (605) 362-3759
Date:
June 24, 2015
To:
Rick Salonen, Geoff Little, Tim Fonder
Banner Associates, Inc.
409 22nd Ave So
Brookings, SD 57006
From:
Isaac Anderson, Melanie Raap
WPE#:
BS15042
Project:
Maintenance Facility, Street Department
Location:
Brookings, SD
TO:
All prime contract bidders and all others to whom Drawings and Specifications have been issued by the Engineer. Acknowledge
receipt of the Addendum by inserting its number and date on the Bid Form. Failure to do so may subject bidder to disqualification.
This Addendum forms a part of the Contract Documents. It modifies them as follows:
PRODUCT APPROVALS:
The manufacturers and products, which are listed in the following texts, are approved for bidding. Final acceptance is
contingent upon receipt and approval of final shop drawings. Manufacturer shall conform to all warranties, performances, size,
etc., as the item specified. The burden of proof of the merit of the proposed substitution is upon the proposer. Those items
not specifically listed by addendum shall not be approved for bidding.
SECTION
DESCRIPTION
MANUFACTURER
22 3000 2.3
22 4000 2.2 B
22 4000 2.3 C
23 0924
23 2114 2.5
23 2114 2.6
23 2114 2.7
23 2115
23 2115
23 2123
23 2500 2.2
23 3700 2.5
23 5234
23 5234
23 5234
23 5533
23 5400
23 7225
23 7225
Plumbing Equipment
Plumbing Fixtures
Plumbing Fixtures
Variable Frequency Controllers
Hydronic Specialties
Hydronic Specialties
Hydronic Specialties
In-Floor Heating System
In-Floor Heating System
Hydronic Pumps
HVAC Water Treatment
Air Outlets and Inlets
Copper Tube Boilers
Copper Tube Boilers
Copper Tube Boilers
Fuel Fired Unit Heaters
Furnaces
Air to Air Heat Recovery Units
Air to Air Heat Recovery Units
Grundfos/Paco
American Standard
American Standard
Siemens
Armstrong
Armstrong
Armstrong
Heat Link
Infloor Heating Systems
Grundfos/Paco
Neptune
PennBarry Inc.
Hydrotherm
Viessmann
RBI Water Heaters
Carrier Inc.
Goodman
American Aldes Inc.
Daikin
RAPID CITY, SD
SIOUX FALLS, SD
BISMARCK, ND
CASPER, WY
CEDAR RAPIDS, IA
SPECIFICATIONS:
SECTION 23 3100 3.2 A 3 & 4
1. Add “stainless steel” to this line.
SECTION 26 3213 – ENGINE GENERATORS
1. Add Section, see attached.
SECTION 26 3600 –TRANSFER SWITCHES
1. Add Section, see attached.
DRAWINGS:
SHEET 15.10
1. The ductwork drops for RH-3 to be stainless steel.
2. The ductwork drops for EF-4 to be stainless steel.
SHEET 16.2
1. Keynote E302: Route these conduits to the North property line.
SHEET 16.3
1. Clarification on the Alternate for changing out the existing shop lights: The alternate is for the type A’s in
Existing Storage 121, type X1’s, and all associated circuitry and switches/lighting contactor. The type A in
Mech, F in the TLT, and all exterior fixtures are BASE bid, including their circuitry and devices.
2. Delete the 3 way switch next to the south walk in door in Existing Storage.
SHEET 16.X ALL ELECTRICAL SHEETS
1. Exterior electrical devices - ie receptacles and lighting boxes, etc. shall be recessed into the precast concrete
walls. Electrical contractor to provide the required boxes and ¾” conduit, and to coordinate installation with
the precast supplier as needed. Conduit shall be routed from box to a location near the top of the precast
panel, and turn to the inside of the building to be extended from there for interior routing. See electrical plans
for quantities of devices and approximate locations. Exact locations shall be coordinated at shop drawing
time. Interior shop devices may be surface mounted.
End of Document
MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 26 3213 - ENGINE GENERATORS
-----------------------------------------------------------------------
SECTION 26 3213 - ENGINE GENERATORS
PART 1 GENERAL
1.1
1.2
1.3
1.4
SECTION INCLUDES
A.
Packaged engine generator set.
B.
Exhaust silencer and fittings.
C.
Remote control panel.
D.
Battery and charger.
E.
Concrete pad.
F.
Weatherproof enclosure.
RELATED REQUIREMENTS
A.
Section 22 0719 - Plumbing Piping Insulation.
B.
Section 23 2113 - Hydronic Piping: Installation of exhaust silencer, and fittings.
C.
Section 23 2113 - Hydronic Piping:
D.
Section 23 3100 - HVAC Ducts and Casings.
E.
Section 26 0526 - GROUNDING AND BONDING.
F.
Section 26 0529 - HANGERS AND SUPPORTS.
G.
Section 26 0553 - Identification for Electrical Systems: Identification products and requirements.
H.
Section 26 3600 - Transfer Switches.
REFERENCE STANDARDS
A.
NECA/EGSA 404 - Standard for Installing Generator Sets; National Electrical Contractors Association;
2014.
B.
NEMA MG 1 - Motors and Generators; National Electrical Manufacturers Association; 2011.
C.
NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum); National Electrical
Manufacturers Association; 2008.
D.
NFPA 30 - Flammable and Combustible Liquids Code; National Fire Protection Association; 2012.
E.
NFPA 70 - National Electrical Code; National Fire Protection Association; Most Recent Edition Adopted
by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.
F.
NFPA 99 - Health Care Facilities Code; National Fire Protection Association; 2012.
G.
NFPA 110 - Standard for Emergency and Standby Power Systems; National Fire Protection Association;
2013.
SUBMITTALS
A.
See Section 01 3000 - Administrative Requirements, for submittal procedures.
B.
Shop Drawings: Indicate electrical characteristics and connection requirements. Show plan and elevation
views with overall and interconnection point dimensions, fuel consumption rate curves at various loads,
ventilation and combustion air requirements, electrical diagrams including schematic and interconnection
diagrams.
WPE# BS15042
26 3213 - 1
6/5/2015
MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 26 3213 - ENGINE GENERATORS
-----------------------------------------------------------------------
1.5
1.6
1.7
C.
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, day tank, and remote radiator.
D.
Test Reports: Indicate results of performance testing.
E.
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 starting of product.
F.
Manufacturer's Certificate: Certify that products meet or exceed specified requirements.
G.
Operation Data: Include instructions for normal operation.
H.
Maintenance Data: Include instructions for routine maintenance requirements, service manuals for engine
and day tank, oil sampling and analysis for engine wear, and emergency maintenance procedures.
I.
Maintenance Materials and Tools: Furnish the following for Owner's use in maintenance of project.
1.
See Section 01 6000 - Product Requirements, for additional provisions.
2.
Extra Filter Elements: One of each type, including fuel, oil and air.
3.
Tools: One set of tools required for preventative maintenance of the engine generator system.
Package tools in adequately sized metal tool box.
QUALITY ASSURANCE
A.
Conform to requirements of NFPA 70.
B.
Manufacturer Qualifications: Company specializing in manufacturing the products specified in this
section with minimum three years documented experience with service facilities within 100 miles of
Project.
C.
Products: Furnish products listed and classified by Underwriters Laboratories as suitable for purpose
specified and indicated.
DELIVERY, STORAGE, AND HANDLING
A.
Accept unit on site on skids. Inspect for damage.
B.
Protect equipment from dirt and moisture by securely wrapping in heavy plastic.
WARRANTY
A.
See Section 01 7800 - Closeout Submittals, for additional warranty requirements.
B.
Correct defective Work within a 5 year period after Date of Substantial Completion. Shall be
"comprehensive" and include all parts, labor and travel expenses.
PART 2 PRODUCTS
2.1
MANUFACTURERS
A.
2.2
Caterpillar, Cummins/Onan, Generac, Detroit Diesel, Kohler, Katolight.
PACKAGED ENGINE GENERATOR SYSTEM
A.
Provide products listed, classified, and labeled as suitable for the purpose intended.
B.
Description: NFPA 110, engine generator system to provide source of power for Level 1 applications
conforming to NFPA 99.
WPE# BS15042
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6/5/2015
MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 26 3213 - ENGINE GENERATORS
-----------------------------------------------------------------------
C.
2.3
2.4
2.5
System Capacity: 20 kW, 25 kVA at elevation of 1470 feet above sea level, standby rating using
engine-mounted radiator.
ENGINE AND ENGINE ACCESSORY EQUIPMENT
A.
Engine Fuel System - Gaseous (Spark Ignition):
1.
Fuel Source: Natural gas.
2.
Engine Fuel Connections: Provide suitable, approved flexible fuel lines for coupling engine to fuel
source.
B.
Type: Water-cooled inline or V-type, four stroke cycle, electric ignition internal combustion engine.
C.
Rating: Sufficient to operate under 10 percent overload for one hour in an ambient of 90 degrees F at
elevation of 1,000 feet.
D.
Fuel System: Natural gas.
E.
Engine speed: 1800 rpm.
F.
Governor: Isochronous type to maintain engine speed within 0.5 percent, steady state, and 5 percent, no
load to full load, with recovery to steady state within 2 seconds following sudden load changes. Equip
governor with means for manual operation and adjustment.
G.
Safety Devices: Engine shutdown on high water temperature, low oil pressure, overspeed, and engine
overcrank. Limits as selected by manufacturer.
H.
Engine Starting: DC starting system with positive engagement, number and voltage of starter motors in
accordance with manufacturer's instructions. Include remote starting control circuit, with
MANUAL-OFF-REMOTE selector switch on engine-generator control panel.
I.
Engine Jacket Heater: Thermal circulation type water heater with integral thermostatic control, sized to
maintain engine jacket water at 90 degrees F, and suitable for operation on 208 volts AC.
J.
Radiator: Radiator using glycol coolant, with blower type fan, sized to maintain safe engine temperature
in ambient temperature of 110 degrees F. Radiator air flow restriction 0.5 inches of water maximum.
K.
Engine Accessories: Lube oil filter, intake air filter, lube oil cooler, gear-driven water pump. Include fuel
pressure gage, water temperature gage, and lube oil pressure gage on engine/generator control panel.
L.
Mounting: Provide unit with suitable spring-type vibration isolators and mount on structural steel base.
ALTERNATOR (GENERATOR)
A.
Generator: NEMA MG 1, three phase, four pole, reconnectable brushless synchronous generator with
brushless exciter.
B.
Insulation Class: F.
C.
Temperature Rise: 130 degrees C Standby.
D.
Enclosure: NEMA MG 1, open drip proof.
E.
Voltage Regulation: Include generator-mounted volts per hertz exciter-regulator to match engine and
generator characteristics, with voltage regulation plus or minus 1 percent from no load to full load.
Include manual controls to adjust voltage droop, voltage level (plus or minus 5 percent) and voltage gain.
ACCESSORIES
A.
Exhaust Silencer: Critical type silencer, with muffler companion flanges and flexible stainless steel
exhaust fitting, sized in accordance with engine manufacturer's instructions.
1.
Provide hockey puck style.
WPE# BS15042
26 3213 - 3
6/5/2015
MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 26 3213 - ENGINE GENERATORS
-----------------------------------------------------------------------
2.6
B.
Batteries: Heavy duty, diesel starting type lead-acid storage batteries, 170 ampere-hours minimum
capacity. Match battery voltage to starting system. Include necessary cables and clamps.
C.
Battery Tray: Treated for electrolyte resistance, constructed to contain spillage.
1.
Provide with heater and thermostat.
D.
Battery Charger: Current limiting type designed to float at 2.17 volts per cell and equalize at 2.33 volts
per cell. Include overload protection, full wave rectifier, DC voltmeter and ammeter, and 120 volts AC
fused input. Provide wall-mounted enclosure to meet NEMA 250, Type 1 requirements.
E.
Provide neutral bonding jumper on generator when seperately derived.
F.
Line Circuit Breaker: Molded case circuit breaker on generator output with integral thermal and
instantaneous magnetic trip in each pole, sized in accordance with NFPA 70; UL listed. 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.
G.
Engine-Generator Control Panel: NEMA 250, Type 1 generator mounted control panel enclosure with
engine and generator controls and indicators. Include provision for padlock and the following equipment
and features:
1.
Frequency Meter: 45-65 Hz. range, 3.5 inch dial.
2.
AC Output Voltmeter: 3.5 inch dial, 2 percent accuracy, with phase selector switch.
3.
AC Output Ammeter: 3.5 inch dial, 2 percent accuracy, with phase selector switch.
4.
Output voltage adjustment.
5.
Push-to-test indicator lamps, one each for low oil pressure, high water temperature, overspeed, and
overcrank.
6.
Engine start/stop selector switch.
7.
Engine running time meter.
8.
Oil pressure gage.
9.
Water temperature gage.
10. Auxiliary Relay: 3PDT, operates when engine runs, with contact terminals prewired to terminal
strip.
11. Additional visual indicators and alarms as required by NFPA 110.
H.
Provide factory installed test port for natural gas and propane units.
I.
Remote Annunciator Panel: Flush mounted panel with brushed stainless steel. Provide audible and
visible indicators and alarms required by NFPA 110.
OUTDOOR WEATHERPROOF ENCLOSURE
A.
The generator set shall be provided with an outdoor enclosure, with the entire package listed under
UL2200. The package shall comply with the requirements of the National Electrical Code for all wiring
materials and component spacing. The total assembly of generator set, enclosure, and sub-base fuel tank
(when used) shall be designed to be lifted into place using spreader bars. Housing shall provide ample
airflow for generator set operation at rated load in an ambient temperature of 100F. The housing shall
have hinged access doors as required to maintain easy access for all operating and service functions. All
doors shall be lockable, and include retainers to hold the door open during service. Enclosure roof shall
be cambered to prevent rainwater accumulation. Openings shall be screened to limit access of rodents
into the enclosure. All electrical power and control interconnections shall be made within the perimeter
of the enclosure.
B.
All sheet metal shall be primed for corrosion protection and finish painted with the manufacturers
standard color using a two step electro-coating paint process, or equal meeting the performance
requirements specified below. All surfaces of all metal parts shall be primed and painted. The painting
process shall result in a coating that meets the following requirements:
1.
Primer thickness, 0.5-2.0 mils. Top coat thickness, 0.8-1.2 mils.
WPE# BS15042
26 3213 - 4
6/5/2015
MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 26 3213 - ENGINE GENERATORS
-----------------------------------------------------------------------
2.
3.
4.
5.
6.
7.
Gloss, per ASTM D523-89, 80% plus or minus 5%. Gloss retention after one year shall exceed
50%.
Crosshatch adhesion, per ASTM D3359-93, 4B-5B.
Impact resistance, per ASTM D2794-93, 120-160 inch-pounds.
Salt Spray, per ASTM B117-90, 1000+ hours.
Humidity, per ASTM D2247-92, 1000+ hours.
Water Soak, per ASTM D2247-92, 1000+ hours.
C.
Painting of hoses, clamps, wiring harnesses, and other non-metallic service parts shall not be acceptable.
Fasteners used shall be corrosion resistant, and designed to minimize marring of the painted surface
when removed for normal installation or service work.
D.
Enclosure shall be constructed of minimum 12 gauge steel for framework and 14 gauge steel for panels.
All hardware and hinges shall be stainless steel.
E.
The generator set shall be provided with a sound-attenuated housing which allows the generator set to
operate at full rated load in an ambient temperature of up to 100F. The enclosure shall reduce the sound
level of the generator set while operating at full rated load to a maximum of 75 dBA at any location 23
feet from the generator set in a free field environment.
F.
The enclosure shall be insulated with non-hydroscopic materials.
PART 3 EXECUTION
3.1
3.2
INSTALLATION
A.
Provide concrete pad under generator per manufacturer's recommendations.
B.
Install products in accordance with manufacturer's instructions.
C.
Install generator sets and associated accessories in accordance with NECA/EGSA 404.
FIELD QUALITY CONTROL
A.
Provide the services of manufacturer's representative to prepare and start system.
B.
Perform field inspection and testing in accordance with Section 01 4000.
C.
Provide full load test utilizing portable test bank, if required, for four hours minimum. Simulate power
failure including operation of transfer switch, automatic starting cycle, and automatic shutdown and
return to normal.
1.
Provide load bank test for 2 hours at 50% of rated output, 2 hours at 75% of rated output, 2 hours at
100% rated output, and 2 hours at 110% rated output.
2.
Provide fuel for all testing.
D.
Record in 20 minute intervals during four hour test:
1.
Kilowatts.
2.
Amperes.
3.
Voltage.
4.
Coolant temperature.
5.
Room temperature.
6.
Frequency.
7.
Oil pressure.
E.
Test alarm and shutdown circuits by simulating conditions.
WPE# BS15042
26 3213 - 5
6/5/2015
MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 26 3213 - ENGINE GENERATORS
-----------------------------------------------------------------------
3.3
ADJUSTING
A.
3.4
CLEANING
A.
3.5
3.6
Adjust generator output voltage and engine speed.
Clean exposed surfaces to remove dirt, paint, or other foreign material and restore to match original
factory finish.
CLOSEOUT ACTIVITIES
A.
Demonstrate operation to Owner's operating personnel:
B.
Describe loads connected to standby system and restrictions for future load additions.
C.
Simulate power outage by interrupting normal source, and demonstrate that system operates to provide
standby power.
MAINTENANCE
A.
See Section 01 7000 - Execution Requirements, for additional requirements relating to maintenance
service.
B.
Provide service and maintenance of engine generator for one year from Date of Substantial Completion.
1.
Shall be "comprehensive" and include all parts, labor and travel expenses.
END OF SECTION
WPE# BS15042
26 3213 - 6
6/5/2015
MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 26 3600 - TRANSFER SWITCHES
-----------------------------------------------------------------------
SECTION 26 3600 - TRANSFER SWITCHES
PART 1 GENERAL
1.1
1.2
1.3
1.4
1.5
SECTION INCLUDES
A.
Transfer switches for low-voltage (600 V and less) applications and associated accessories:
B.
Automatic Transfer Switch.
RELATED REQUIREMENTS
A.
Section 03 3000 - Cast-in-Place Concrete: Concrete equipment pads.
B.
Section 26 0526 - GROUNDING AND BONDING.
C.
Section 26 0529 - HANGERS AND SUPPORTS.
D.
Section 26 0553 - Identification for Electrical Systems: Identification products and requirements.
E.
Section 26 3213 - Engine Generators: Testing requirements.
REFERENCE STANDARDS
A.
NECA 1 - Standard for Good Workmanship in Electrical Construction; National Electrical Contractors
Association; 2010.
B.
NEMA 250 - Enclosures for Electrical Equipment (1000 Volts Maximum); National Electrical
Manufacturers Association; 2014.
C.
NEMA ICS 10 Part 1 - Industrial Control and Systems Part 1: Electromechanical AC Transfer Switch
Equipment; National Electrical Manufacturers Association; 2005.
D.
NETA ATS - Acceptance Testing Specifications for Electrical Power Equipment and Systems;
International Electrical Testing Association; 2013. (ANSI/NETA ATS)
E.
NFPA 70 - National Electrical Code; National Fire Protection Association; Most Recent Edition Adopted
by Authority Having Jurisdiction, Including All Applicable Amendments and Supplements.
F.
UL 1008 - Transfer Switch Equipment; Current Edition, Including All Revisions.
SUBMITTALS
A.
See Section 01 3000 - Administrative Requirements, for submittal procedures.
B.
Product Data: Provide catalog sheets showing voltage, switch size, ratings and size of switching and
overcurrent protective devices, operating logic, short circuit ratings, dimensions, and enclosure details.
C.
Manufacturer's Instructions: Indicate application conditions and limitations of use stipulated by product
testing agency. Include instructions for storage, handling, protection, examination, preparation, and
installation of product.
D.
Operation Data: Instructions for operating equipment under emergency conditions when engine generator
is running.
E.
Maintenance Data: Routine preventative maintenance and lubrication schedule. List special tools,
maintenance materials, and replacement parts.
QUALITY ASSURANCE
A.
Comply with the following:
WPE# BS15042
26 3600 - 1
6/5/2015
MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 26 3600 - TRANSFER SWITCHES
-----------------------------------------------------------------------
1.
1.6
NFPA 70 (National Electrical Code).
B.
Product Listing Organization Qualifications: An organization recognized by OSHA as a Nationally
Recognized Testing Laboratory (NRTL) and acceptable to authorities having jurisdiction.
C.
Conform to requirements of NFPA 70.
D.
Manufacturer Qualifications: Company specializing in manufacturing the products specified in this
section with minimum three years documented experience and with service facilities within 100 miles of
Project.
E.
Products: Listed and classified by Underwriters Laboratories Inc. as suitable for the purpose specified
and indicated.
WARRANTY
A.
See Section 01 7800 - Closeout Submittals, for additional warranty requirements.
B.
Correct defective Work within a 1 year period after Date of Substantial Completion.
C.
Provide five year manufacturer warranty for all components.
PART 2 PRODUCTS
2.1
MANUFACTURERS
A.
2.2
Caterpillar, Kohler, Cummins-Onan, ASCO, or approved equivalent. No exceptions.
TRANSFER SWITCHES
A.
Provide complete power transfer system consisting of all required equipment, conduit, boxes, wiring,
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.
Construction Type: Either "contactor type" (open contact) or "breaker type" (enclosed contact) transfer
switches complying with specified requirements are acceptable.
D.
Comply with NEMA ICS 10 Part 1, and list and label as complying with UL 1008 for the classification
of the intended application (e.g. emergency, optional standby).
E.
Do not use double throw safety switches or other equipment not specifically designed for power transfer
applications and listed as transfer switch equipment.
F.
Load Classification: Classified for total system load (any combination of motor, electric discharge lamp,
resistive, and tungsten lamp loads with tungsten lamp loads not exceeding 30 percent of the continuous
current rating) unless otherwise indicated or required.
G.
Switching Methods:
1.
Open Transition:
a. Provide break-before-make transfer without a neutral position that is not connected to either
source, and with interlocks to prevent simultaneous connection of the load to both sources.
2.
Obtain control power for transfer operation from line side of source to which the load is to be
transferred.
H.
Service Conditions: Provide transfer switches suitable for continuous operation at indicated ratings under
the service conditions at the installed location.
I.
Enclosures:
WPE# BS15042
26 3600 - 2
6/5/2015
MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 26 3600 - TRANSFER SWITCHES
-----------------------------------------------------------------------
1.
2.
J.
2.3
2.4
Environment Type per NEMA 250: Unless otherwise indicated, as specified for the following
installation locations:
Finish: Manufacturer's standard unless otherwise indicated.
Short Circuit Current Rating:
AUTOMATIC TRANSFER SWITCH
A.
Description: NEMA ICS 10, automatic transfer switch.
B.
Configuration: Electrically operated, mechanically held transfer switch.
C.
Withstand Current Rating: 42,000 rms symmetrical amperes, when used with molded case circuit
breaker.
COMPONENTS
A.
480V, 3-phase, 3-wire switches & 120/208V, 3-phase, 4-wire switches shall be 3 pole.
B.
Indicating Lights: Mount in cover of enclosure to indicate NORMAL SOURCE AVAILABLE.
C.
Test Switch: Mount in cover of enclosure to simulate failure of normal source.
D.
Return to Normal Switch: Mount in cover of enclosure to initiate manual transfer from alternate source to
normal source.
E.
Transfer Switch Auxiliary Contacts: 2 normally open; 1 normally closed.
F.
Normal Source Monitor: Monitor each line of normal source voltage and frequency; initiate transfer
when voltage drops below 85 percent or frequency varies more than 3 percent from rated nominal value.
G.
Switched Neutral: Non-Overlapping (simultaneously switched) contacts. Neutral pole shall be constructe
identical to phase poles.
H.
Enclosure: ICS 10, Type 1, finished with manufacturer's standard paint color.
PART 3 EXECUTION
3.1
3.2
EXAMINATION
A.
Verify that field measurements are as shown on the drawings.
B.
Verify that the ratings and configurations of transfer switches 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 transfer switches.
E.
Verify that conditions are satisfactory for installation prior to starting work.
PREPARATION
A.
3.3
Provide housekeeping pads under the provisions of Section 03 3000.
INSTALLATION
A.
Perform work in a neat and workmanlike manner in accordance with NECA 1.
B.
Install transfer switches in accordance with manufacturer's instructions.
C.
Arrange equipment to provide minimum clearances and required maintenance access.
WPE# BS15042
26 3600 - 3
6/5/2015
MAINTENANCE FACILITY, STREET DEPARTMENT
BROOKINGS, SOUTH DAKOTA
SECTION 26 3600 - TRANSFER SWITCHES
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D.
3.4
3.5
E.
Install transfer switches plumb and level.
F.
Unless otherwise indicated, mount floor-mounted transfer switches on properly sized 3 inch high
concrete pad constructed in accordance with Section 03 3000.
G.
Provide grounding and bonding in accordance with Section 26 0526.
H.
Identify transfer switches and associated system wiring in accordance with Section 26 0553.
FIELD QUALITY CONTROL
A.
See Section 01 4000 - Quality Requirements, for additional requirements.
B.
Prepare and start system in accordance with manufacturer's instructions.
C.
Correct defective work, adjust for proper operation, and retest until entire system complies with contract
documents.
D.
Provide the services of the manufacturer's technical representative to check out transfer switch
connections and operation and place in service.
E.
Perform field inspection and testing in accordance with Section 01 4000.
F.
Inspect and test in accordance with NETA STD ATS, except Section 4.
G.
Perform inspections and tests listed in NETA STD ATS, Section 7.22.3.
CLOSEOUT ACTIVITIES
A.
3.6
Provide required support and attachment in accordance with Section 26 0529.
Demonstrate operation of transfer switch in bypass, normal, and emergency modes.
MAINTENANCE
A.
See Section 01 7000 - Execution Requirements, for additional requirements relating to maintenance
service.
B. Provide service and maintenance of transfer switches for one year from Date of Substantial Completion.
END OF SECTION
WPE# BS15042
26 3600 - 4
6/5/2015