8-4 - 26-260 SPORTS FIELD LIGHTING.pdf

26-260 - SPORTS FIELD LIGHTING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS:

A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division-1 Specification sections, apply to work of this section.

B. Work covered by this section of the specifications shall conform to the contract documents, engineering plans, state and local codes, and lighting ordinances.

1.2 DESCRIPTION OF WORK:

A. Scope of work includes complete turnkey installation of new sports LED lighting system for softball/baseball fields reusing existing poles. Contractor is responsible for removing the existing cages/cross arms of existing poles and make any modifications to existing poles that is necessary for new cross arm/fixture head and remote driver installation.

B. The purpose of these specifications is to define the lighting system performance and design standards for City of St George Canyons Softball Complex using an LED Lighting source. The manufacturer/contractor shall supply lighting equipment to meet or exceed the standards set forth in these specifications.

C. The Sports Lighting will be for the following Venues:

1. Softball Fields

D. LIGHTING PERFORMANCE: Performance Requirements: Playing surfaces shall be lit to an average constant light level and uniformity as specified in the chart below. Light levels shall be held constant during warranty period. Lighting calculations shall be developed, and field measurements taken on the grid spacing with the minimum number of grid points specified below. Measured average illumination level shall be +/- 10% of predicted mean in accordance with IESNA RP-6-01, and measured at the first 100 hours of operation.

1. Designs shall be in accordance with the latest version ANSI/IES RP-6 Recommended Practice: Lighting Sports and Recreational Areas. This shall include light levels, pole locations, heights, and fixture mounting heights for proper fixture aiming angles for reduced glare and improved playability.

2. The calculated horizontal average-maintained illuminance level for each primary playing area shall be as follows. Illumination Levels and Design Factors:

Illumination levels to meet target values listed in the chart below.

Field / Area of Lighting

AvgTarget Illumination Levels

Max Uniformity Ratio

Grid Spacing Grid Points

Softball 30 fc Infield 20 fc Outfield

2.5:1 Infield 3.0:1 Outfield 25’ x 25’

Infield: 25 Outfield Field 5: 103 Fields 1, 2, 4, 6: 104 Fields 3, 7: 106

3. Color Temperature: The lighting system shall have a color temperature of 5700K and minimum CRI of 75.

4. Playability: Lighting design should be optimized for playability by reducing glare on field and providing sufficient uplight.

5. Aerial sports that are identified by ANSI/IES RP-6 shall have adequate illumination above the field to see the ball in flight. Include a minimum of 8% of on-field lumens aimed above the horizon

E. ENVIRONMENTAL LIGHT CONTROL:

1. Light Control Luminaires: All luminaires shall utilize spill light and glare control devices including, but not limited to, internal shields, louvers and external shields.

No symmetrical beam patterns are accepted.

2. Glare Control: To minimize the impact on adjacent properties, glare should not exceed the candela in the table listed below. Provide the necessary glare shields on each fixture as required to meet this requirement.

3. Spill Light Control: Average horizontal footcandles shall not exceed the levels detailed in the table below. Foot-candle readings shall be taken at 30 foot intervals along the specified line. Measured average illumination level shall allow a 10% variance of predicted mean in accordance with IESNA RP-6-01, and be measured at the first 100 hours of operation.

Spill Line: Residentail Property Lines Maximum

Spill Line Horizontal Footcandles (taken 3’ above grade) 1.0 fc

Spill Line Max Candela (taken 5’ above grade) 30,000 cd

Field Glare (taken 5’ above grade) Maximum

Home plate from any outfield “C” pole 1,000 cd

At each outfield position (RF, CF, LF) from any infield “A” pole 4,500 cd

4. Spill Scans: Spill scans must be submitted indicating the amount of horizontal footcandles along the specified lines. Light levels shall be taken at 30-foot intervals along the boundary line. Readings shall be taken with the meter orientation at both horizontal and aimed towards the most intense bank of lights.

Illumination level shall be measured in accordance with the IESNA LM-5-04 after 1 hour warm up.

5. The first page of a photometric report for all luminaire types proposed showing horizontal and vertical axial candle power shall be provided to demonstrate the capability of achieving the specified performance. Reports shall be certified by a qualified independent testing laboratory with a minimum of five years’ experience or by a manufacturer’s laboratory with a current accreditation under the National Voluntary Laboratory Accreditation Program for Energy Efficient Lighting Products. A summary of the horizontal and vertical aiming angles for each luminaire shall be included with the photometric report.

1.3 QUALITY ASSURANCE:

A. Comply with NEC, NEMA and ANSI/IES requirements as applicable to location and installation of lighting poles and standards. Provide lighting components and fittings which are UL-listed and labeled.

B. Comply with other portions of specification as applicable for forming, splicing, and curing of concrete bases provided under this section.

C. The contractor shall be fully experienced in the installation of the lighting systems as herein specified, and shall furnish with the bid an itemized list of the installations of this type. The list shall include the name of the project, date of completion, the amount of the contract, the name, and telephone number of the person to contact for reference.

D. Supplier:

1. Supplier firm shall have worked satisfactorily for a minimum of (5) years of completing systems equal to this scope, quality, type and complexity.

2. The Sports Lighting Supplier shall be dedicated to sports lighting with in-house engineering, sales and support personnel. Supplier shall maintain inventory and personnel who are qualified to supervise the installation, to be responsible that the system is installed as submitted, to conduct system start up, instruct the Owners representatives in the proper operation of the system and provide service throughout the warranty period.

3. Key personnel assigned to the project shall each have minimum of (10) years of experience in completing systems equal to this scope, quality, type and complexity.

4. Supplier shall be a factory authorized distributor of all equipment specified for the geographical area of the project.

5. Supplier shall maintain complete installation and service facilities for the duration of the project contract.

6. Supplier shall have current manufacturer certificates.

7. Supplier shall be in good standing with owner based on previous projects.

8. Supplier that do not meet the above requirements cannot bid on this project.

E. All work shall be done by expert technicians qualified in the field with knowledge of specified systems. Workmanship shall comply with industry best practices concerning grounding, shielding, cable dressing, cable termination and equipment mounting.

F. APPROVED INSTALLERS:

1. Bidders shall submit in writing the following with their bid:

a. List of qualifications including:

i. Industries certifications including manufacturers.

ii. Photometrics:

1. Submit lighting calcluations adhering to the average field footcandle levels and spill lighting levels and glare detailed above prior to acceptance. In the event an alternate system is accepted that manufacturer is responsible to ensure the levels referred to are actually adheired to. The alternate system manufacturer is responsible to remedy the system, add to or redirect instrumaents or other equipment as required to complete the lighting system with ending levels as specified in drawngs and specifications at no additional cost to the Owner.

2. Controls

3. Luminaires

4. Pole assemblies

5. Engineered foundation

6. Wireless Control System

b. Past and current projects within the last 5 years similar in scope and size.

c. (3) Different referrals from the owners of (3) different projects within the last 5 years.

2. The Owner may make such investigations as he deems necessary to determine the ability of the bidder to perform the work, and the bidder shall furnish to the Owner all such information and data for this purpose as the Owner may request.

The Owner reserves the right to reject any bid if the evidence submitted by, or investigation of, such bidder fails to satisfy the Owner that such bidder is properly qualified to carry out the obligations of the contract and to complete the work contemplated therein. Conditional bids will not be accepted.

3. Before using the bid of a subcontractor as part of his bid, the General Contractor shall satisfy himself that the proposed subcontractor can satisfy all of the requirements expressed above. The Owner reserves the right to reject any bid if the evidence submitted by, or investigation of, such bidder fails to satisfy the Owner that the bidder and/or any subcontractor he proposes can properly qualify to carry out the obligation of any part of the contract, and to complete the work contemplated therein.

4. The ability of any bidder to obtain plans and provide a performance bond shall not be regarded as the sole qualification of such bidder's competency and responsibility to meet the requirements and obligations of the contract.

5. Any bidder who bids products that do not meet specifications will be rejected. If bidder desires to propose alternate products, they must be submitted(per submittal section of bid specifications) for approval a minimum of 10 days prior to bid. Acceptable alternates will be approved by written addendum a minimum of 5 days prior to bid date.

1.4 Warranty

A. Manufacturer shall supply a warranty covering the entire system and guarantee specified light levels. Individual luminaire outages will be repaired when the usage of any field is materially impacted. The manufacturer is responsible for removal and replacement of failed luminaires, including all parts, labor, shipping, and equipment rental. The warranty does not cover weather events such as lightning or hail damage, improper installation, vandalism or abuse, unauthorized repairs or alterations, or products made by other manufacturers. Owner agrees to check fuses in the event of a luminaire outage.

B. Obsolete components may be replaced with comparable parts and materials with equal operating characteristics at manufacturer’s discretion.

C. Warranty Period: 10-years from the date of shipment. Contractor to provide an alternate bid for 25-year warranty.

1.5 LIFE-CYCLE COSTS:

A. Provide lighting components and fittings which are UL-listed and labeled. Manufacturer shall submit a life cycle cost calculation during the warranty period as outlined in the required submittal information.

B. Preventative and Spot Maintenance: Manufacturer shall provide all preventative and spot maintenance, including parts and labor during warranty period. Individual outages shall be repaired when the usage of any field is materially impacted. Owner agrees to check fuses in the event of a luminaire outage. Comply with other portions of specification as applicable for forming, splicing, and curing of concrete bases provided under this section.

1.6 SUBMITTALS:

A. Product Data: Submit manufacturer’s product literature for each proposed system.

Include brochures and pictures describing the complete lighting system.

B. Shop Drawings: Provide lighting design scans with scaled field layout, pole locations, pole heights, fixture aiming angles, luminaire information, light levels, uniformities, grid points, player glare values, and offsite glare values. Include control summary, and electrical load summary with kW load per pole.

PART 2- PRODUCTS

2.1 LIGHTING SYSTEM CONSTRUCTION:

A. System Description: Lighting system/Speaker system shall consist of the following:

1. Galvanized cross-arm assembly

2. All luminaires shall be constructed with a die-cast aluminum housing to protect the luminaire reflector system.

3. Wire harness complete with an abrasion protection sleeve, strain relief and plug-in connections for fast, trouble-free installation.

B. Manufacturing Requirements: All components shall be designed and manufactured as a system. All luminaires, wire harnesses, drivers and other enclosures shall be factory assembled, wired, tested and UL Listed. All luminaires shall be provided as pre-aimed, on pre-wired cross arm assemblies, ready for mounting to each pole. All wire harnesses, ballasts, and other enclosures (or disconnects), shall be factory assembled and pre-wired by use of color coded wiring harness with Sta-Kon connectors at each end.

C. Maintenance Friendly Design for Owner: Conveniently locate driver, fuses, and supporting electronic equipment in an aluminum enclosure at a height that can be accessible from a step ladder approximately 10' above grade. Include indicator lights on fuses to notify when a fuse is to be replaced for each luminaire. Disconnect per circuit for each pole structure will be located in the enclosure.

D. Control cabinet to provide remote on-off control and monitoring of the lighting system.

E. Durability: All exposed components shall be constructed of corrosion resistant material and/or coated to help prevent corrosion. All exposed carbon steel shall be hot dip galvanized per ASTM A123. All exposed aluminum shall be powder coated with high performance polyester or anodized. All exterior reflective inserts shall be anodized, coated, and protected from direct environmental exposure to prevent reflective degradation or corrosion. All exposed hardware and fasteners shall be stainless steel of 18-8 grade or better, passivated and coated with aluminum-based thermosetting epoxy resin for protection against corrosion and stress corrosion cracking. Structural fasteners may be carbon steel and galvanized meeting ASTM A153 and ISO/EN 1461 (for hot dipped galvanizing), or ASTM B695 (for mechanical galvanizing). All wiring shall be enclosed within the cross-arms, pole, or electrical components enclosure.

F. Lightning Protection: Maintain existing lightning protection at each pole which consists of a 10’ long, 3/4” diameter ground rod connected to structure with a #2 cu conductor.

G. Safety: All system components shall be UL Listed for the appropriate application.

H. Electric Power Requirements for the Sports Lighting Equipment:

1. Electric power: 240 Volt, 1 Phase

2. Maximum total voltage drop: Voltage drop to the disconnect switch located on the poles shall not exceed three (3) percent of the rated voltage.

2.2 STRUCTURAL PARAMETERS:

A. Pole Height: The existing “A” and “B” infield poles have a 70ft mounting height. The existing “C” outfield poles have a 60ft mounting height.

B. Support Structure Wind Load Strength: Manufacturer is responsible to verify existing pole structure integrity to insure that new cross arms, anchorages, fixture heads, etc.

meet the 2021 edition of the IBC Building Code for wind speed of 105 MPH, exposure category C and an importance factor of 1.0. Luminaire, visor, and cross-arm shall maintain luminaire aiming alignment.

C. The existing pole structure is at its maximum weight and load capacity. The steps, cables, and platforms will need to be removed. The crossarms cannot be reused because they are integral components of the platform.

2.3 LED LUMINAIRE:

A. Product Requirements:

1. Luminaire must be UL Certified for wet locations at an operating temperature range rating between -40°C and +65°C.

2. Luminaire must be 3rd party NEMA 4X certified based on NEMA 250 standards for external icing, hose-down, and 200-hours salt spray test.

3. Luminaire must be 3rd party tested and certified to UL 844 vibration requirements.

4. Luminaire must be 3rd party tested and certified to ANSI C136.31, 3G vibration requirements.

5. Luminaire must be IP65 certified tested to IEC 60598-1 standards to meet dust-tight and powerful water jet-proof test.

6. Luminaire shall have a Correlated Color Temperature (CCT) of 5700K with a tolerance of ±300K, and a CRI of >75.

7. Luminaire shall incorporate silicone TIR optics in combination with reflector optics over each LED source in order to minimize glare perception. Fixture shall have a glass sealed glass cover to protect the optics and LEDs. No exposed optics permitted.

8. Luminaire shall contain two power supplies (drivers) such that if one driver is not operational, the other continues to power all LEDs in the light head.

9. Luminaire shall be third-party verified to be flicker free at super slow motion speeds up to 2400 FPS and use pulse width modulation greater than 18 KHz with a flicker index rating <.06.

10. Luminaire shall have lumen depreciation, L70 rating, greater than 100,000 hrs certified through CREE Tempo-24 Testing or equivalent.

11. Remote power supply shall have the following features:

a. Efficiency - Greater than 95% from 240VAC to 480VAC with full load applied

b. Hold Up Time – Greater than 25msec

c. Restrike Time - Less than 3.0sec to meet UL924 Emergency Lighting requirements

d. Thermal Sensors – Monitor temperature readings of critical components, and self-protect when conditions exceeded, and report conditions wirelessly to remote site

e. Ultra-Low Standby Power – Less than 0.20% Standby power consumed with primary output disabled

f. In-field Upgradable – remote wireless interface to program and update firmware/software.

12. Luminaire must have a fully integrated health telemetry capability. The following metrics at a minimum must be continuously monitored and reported on a remote computer with the ability to print out reports.

a. Life Time Run Hours

b. Life Time Power Consumed

c. Power Supply Temp

d. Peak Power Supply Temp

e. Average Current

f. Peak Current

g. Input Voltage

h. Peak Input Voltage

i. Average Power

j. Life Time Watt Hours

13. Luminaire shall weigh less than 67 lbs, shade, bracket, and RF system.

14. Luminaire shall have a power factor greater than 0.98 @ 277VAC and 0.97

@480AVC

15. Luminaire shall have a THD (Total Harmonic Distortion) Less than 10% at 240VAC with full load and less than 14% at 480VAC at full load.

16. Luminaire must have an integrated pressure and humidity sensor.

17. Luminaire must have an integrated accelerator for aiming, commissioning, and feedback on light positioning.

18. Luminaire shall include custom lensing injection molded from optical grade, impact resistant lens with a UV additive to provide more than 25 years of long-term sunlight exposure.

19. Luminaire lensing shall be TIR (Total Internal Reflection) based.

20. Luminaire shall be constructed as a single pressure cavity vessel system.

Enclosure shall include a breathable vent for pressure fluctuation reduction and increased seal life.

21. Aluminum shall be chromate conversion coated and then two-stage architectural grade powder coated for long term resistance to corrosion and UV exposure.

22. Luminaire shall include separate control cards to current balance each LED array into no less than 5 strings for effective lifetime management.

2.4 CONTROL SYSTEM:

A. Product Requirements: The control and monitoring system shall provide instant on/off/dimming capabilities and meet the following specifications:

1. Lighting contactor cabinet(s) labeled to match existing field diagrams and electrical design. Manual off-on-auto selector switches shall be provided.

2. Contactor Control of Lights: To minimize wear on drivers and other electrical components and prevent lights from turning on due to communication loss, circuits must be controlled via contactor switching. Dimming driver output to zero is not permitted.

3. Control and monitoring system shall provide contactor control of all existing circuits. Key switches shall be provided to provide field-level control of existing circuit groups. Fields should be proactively monitored to detect luminaire outages during warranty period.

4. Dimming: System shall provide for 3-stage dimming (high-medium-low).

5. Remote Lighting Control System: Provide remote control on/off switching and scheduling via website, phone call, and email.

6. Management Tools: Manufacturer shall provide an online reporting dashboard indicating usage and health of the lighting system.

7. Communication Costs: Manufacturer shall include communication costs for operating the control and monitoring system during the warranty period.

8. Alternative Solution:

a. Wireless control using 802.15.4 mesh network protocol

b. Dimming to high, medium, low

c. Schedule/control system via Wi-Fi, LAN and/or cellular connectivity for remote operation

9. IOS and Android compatible wireless control for multiple users

10. Remote health monitoring and diagnostics, email alerts and notifications to detect outages

11. Allow multiple user accounts with ability to assign various system permission levels:

a. Ability to schedule recurring events at fixed times

b. Capable of in-field firmware/software upgrades

c. Onsite and/or remote commissioning

d. Reporting and dashboards for:

e. Life time run hours

f. Life time power consumption

g. Power supply temp

h. Peak power supply temp

i. Average and peak current

j. Input Voltage

k. Peak Input Voltage

l. Average Power

m. Life time watt-hours

12. Control enclosure to be NEMA 4X molded fiberglass reinforced polyester with internal gasket and stainless steel, quick release latches with ability to padlock for security purposes.

13. Controller shall be protected against memory loss during power outages. If power failure to the controller occurs during use, lights shall fail on to 100%.

Once power is restored controller shall resume normal event schedule.

PART 3- EXECUTION

3.1 DELIVERY TIMING

A. Delivery Timing Equipment On-Site: The equipment must be on-site 4-6 weeks from receipt of approved submittals and receipt of complete order information..

3.2 FIELD QUALITY CONTROL

A. Illumination Measurements: Upon substantial completion of the project and in the presence of the Contractor, Project Engineer, Owner's Representative, and Manufacturer's Representative, illumination measurements shall be taken and verified.

The illumination measurements shall be conducted in accordance with IESNA RP-6-01.

B. Field Light Level Accountability: If, in the opinion of the Owner or his appointed Representative, the actual performance levels including footcandles, uniformity ratios, and maximum kilowatt consumptions are not in conformance with the requirements of the performance specifications and submitted information, the Manufacturer shall be liable to any or all of the following

1. Light levels are guaranteed not to fall below the target maintained light levels for the entire warranty period.

2. The contractor/manufacturer shall be responsible for an additional inspection one year from the date of commissioning of the lighting system and will utilize the owner’s light meter in the presence of the owner.

3. Manufacturer shall minimize the Owner's additional long-term fixture maintenance and energy consumption costs created by the additional fixtures by reimbursing the Owner the amount of $1,000.00 (one thousand dollars) for each additional fixture required.

C. Correcting Non-Conformance: If, in the opinion of the Owner or his appointed Representative, the actual performance levels including footcandles and uniformity ratios are not in conformance with the requirements of the performance specifications and submitted information, the Manufacturer shall be required to make adjustments to meet specifications and satisfy Owner.

3.3 WARRANTY AND GUARANTEE

A. 10-Year Warranty: Each manufacturer shall supply a signed warranty covering the entire system for 10 years from the date of shipment (Contractor to provide an alternate bid for 25-year warranty). Warranty shall guarantee specified light levels. Manufacturer shall maintain specifically-funded financial reserves to assure fulfillment of the warranty for the full term. Warranty does not cover weather conditions events such as lightning or hail damage, improper installation, vandalism or abuse, unauthorized repairs or alterations, or product made by other manufacturers.

B. Maintenance: Parts and labor shall be covered such that individual luminaire outages will be repaired when the usage of any field is materially impacted. Owner agrees to check fuses in the event of a luminaire outage.

3.4 GROUNDING:

A. Provide equipment grounding connections for each lighting unit installation.