BID_S-29-25_SCOPE_OF_WORK.pdf
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- Solicitation number
- S-29-25
- Issued by
- Natrona County, Wyoming
About this file
The document is a Scope of Work for Bid S-29-25, issued by the City of Cheyenne, Wyoming, for the Cheyenne Dutcher Baseball Fields Light Installation project. The project involves removing existing light poles and installing new LED lighting systems on the Northeast and Southeast fields at the Dutcher Baseball Complex. The scope requires the contractor to provide and install galvanized steel poles with pre-cast concrete bases, LED luminaries, and security lighting, with a specific focus on proper aiming and coverage for safe nighttime play. The project is to be completed by March 1, 2026, with work expected to begin after the baseball season in July 2025. The lighting system must meet detailed specifications, including specific illumination levels, uniformity ratios, and environmental light control measures.
The bid specifies Musco Sports Lighting, LLC as the sole approved manufacturer, with no product substitutions allowed. The contract includes a comprehensive 25-year warranty covering materials, labor, and light level performance, with the manufacturer responsible for monitoring and maintaining the lighting system. The lighting system must provide remote on/off capabilities, 3-stage dimming, and comprehensive monitoring features. The project requires 480-volt, 3-phase electrical power, and the lighting poles must be designed to withstand wind loads up to 110 mph. The contractor will be responsible for all installation, including potential soil condition challenges, with specific requirements for foundation design, wind load calculations, and structural integrity of the lighting infrastructure.
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Bid S-29-25 / Page 1 of 11
CHEYENNE DUTCHER BASEBALL FIELDS LIGHT INSTALLATION:
4212 CONVERSE AVE., CHEYENNE, WY 82001
SCOPE OF WORK:
1. Remove all existing poles & lights and dispose. Poles may be removed in tact, or cut-off two (2) feet below grade.
2. All cables, and conduit to existing poles can be abandoned in placed.
3. Any trenching done through the asphalt area(s) may be backfilled with compacted crushed asphalt.
4. Provide and install galvanized steel poles (Height to properly cover lighting needs) with pre-cast concrete bases.
5. Install and properly aim assembled LED luminaries to ensure adequate lighting for safe play at night on the two west fields, known as the North and South fields, at The Dutcher
Baseball Complex.
6. All in ground boxes shall be Tier 22.
7. For each field, on the “A” Poles - Two (2) Per Field, Four (4) Total, install LED Security
Lighting on the Poles. The security lights shall be on their own circuit to operate with the
Field Lights are off. These are the poles closest to Home Plate on the 1st & 3rd Baselines.
o The City has furnished a Musco Spec for the four (4) security lights that will be utilized.
8. Electrical harnesses must be pole length.
9. Lights must be able to be monitored and controlled remotely.
10. Access with lifts on the fields is allowed, Contractor is responsible for repair of any damaged turf or rutting.
11. Provide 24/7 customer support after install.
12. Include minimum 25-year warranty on materials and labor The 25-year warranty shall be included in the submitted bid cost.
13. Project deadline to be completed by 3/1/2026.
14. Work is expected to begin after the baseball season is completed in July 2025.
15. The City expects the Contractor to be able to utilize the Transformer that will be installed via another project.
16. The City expects the Contractor to be able to utilize the enclosure that will be installed via another project, that will house the Controls. Enclosure will be mounted near the West
Fields, behind Homeplate (approx.) by the Northwest field.
Bid S-29-25 / Page 2 of 11
17. Approved product/manufacturer is:
Musco Sports Lighting, LLC
2107 Stewart Road
PO Box 260
Muscatine, Iowa 52761
Contact:
Edwin Arceo
Phone: 303-963-6059
Edwin.Arceo@Musco.com
18. The City has awarded a project for two (2) fields, adjacent to this project. Due to the desire for consistent lighting across all adjacent fields, and keeping with one (1) controller system/style, the City will NOT be allowing any product substitutions on this bid. All products utilized must be Musco Sports Lighting, LLC, to match what is being installed on the West Fields.
mailto:Edwin.Arceo@Musco.com
Bid S-29-25 / Page 3 of 11
PROJECT VICINITY MAP WITH FIELD IDENTIFICATION
Bid S-29-25 / Page 4 of 11
SECTION 26 56 68 – EXTERIOR ATHLETIC LIGHTING
Lighting System with LED Light Source
PART 1 – GENERAL
1.1 SUMMARY
A. Work covered by this section of the specifications shall conform to the contract documents, engineering plans as well as state and local codes.
B. The purpose of these specifications is to define the lighting system performance and design standards for Cheyenne Dutcher Baseball 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. Southeastfield
2. Northeast field
D. The primary goals of this sports lighting project are:
1. Guaranteed Light Levels: Selection of appropriate light levels impact the safety of the players and the enjoyment of spectators. Therefore light levels are guaranteed to not drop below specified target values for a period of 25 years.
2. Environmental Light Control: It is the primary goal of this project to minimize spill light to adjoining properties and glare to the players, spectators and neighbors.
3. Cost of Ownership: In order to reduce the operating budget, the preferred lighting system shall be energy efficient and cost effective to operate. All maintenance costs shall be eliminated for the duration of the warranty.
4. Control and Monitoring: To allow for optimized use of labor resources and avoid unneeded operation of the facility, customer requires a remote on/off control system for the lighting system. Fields should be proactively monitored to detect luminaire outages over a 25-year life cycle. All communication and monitoring costs for 25-year period shall be included in the bid.
1.2 LIGHTING PERFORMANCE
A. Illumination Levels and Design Factors: Playing surfaces shall be lit to an average target illumination level and uniformity as specified in the chart below. Lighting calculations shall be developed and field measurements taken on the grid spacing with the minimum number of grid points specified below. Appropriate light loss factors shall be applied and submitted for the basis of design. Average illumination level shall be measured in accordance with the IESNA LM-5-04 (IESNA Guide for Photometric
Measurements of Area and Sports Lighting Installations). Illumination levels shall not drop below desired target values in accordance to IES RP-6-15, Page 2, Maintained
Average Illuminance and shall be guaranteed for the full warranty period.
Bid S-29-25 / Page 5 of 11
Option
Area of
Lighting
Average Illuminatio n Level Infield
Average Illuminati on Level Outfield
Maximum to
Minimum Uniformity
Ratio
Grid
Points
Grid
Spacing
1 North Field 50fc 30fc 2-2.5:1 103 30’ x 30’ 2 South Field 50fc 30fc 2-2.5:1 103 30’ x 30’
To ensure proper aiming angles for reduced glare and to provide better playability, minimum mounting heights shall be as described below.
Option # of
Poles Pole Designation Pole
Height
1 4 A1,A2,C1,C2 70’
1 2 B1,B2 80’ 2 4 2-A1,2-A2,2-C1,2-C2 70’ 2 2 2-B1,2-B2 80’
1) Spill Light and Glare Control: To minimize impact on adjacent properties, spill light and candela values must not exceed the following levels taken at 3 feet above grade.
Average Maximum
150’ Spill Line-Vertical Footcandles 0.10 fc .20 fc
150’ Spill Line- Candela ≤ 2,274 cd ≤ 3,955 cd
2) All drivers need to be remote and mounted approximately 10’ above grade in aluminum enclosures.
3) All wire must be enclosed in tubular steel crossarms. External wiring of any kind is not acceptable.
4) Controls
a. Instant On/Off Capabilities: System shall provide for instant on/off of luminaires.
b. Remote Lighting Control System: System shall allow owner and users with a security code to schedule on/off system operation via a web site, phone, fax or email up to ten years in advance. Controller shall accept and store 7-day schedules
5) All poles/foundations shall be designed using the current IBC code. Wind loads shall be based on the 2021 International Building Code. Wind loads to be calculated using ASCE 7-10, an ultimate design wind speed of 110mph and exposure category C.
Bid S-29-25 / Page 6 of 11
6) Warranty
a. 25-Year Warranty: Each manufacturer shall supply a signed warranty covering the entire system for 25 years from the date of shipment. Warranty shall guarantee specified light levels. Third party warranties will not be accepted. Actual lighting fixture manufacturer must provide the 25-year warranty and light level guarantee.
b. Maintenance: Manufacturer shall monitor the performance of the lighting system, including on/off status, hours of usage and luminaire outage for 25 years from the date of equipment shipment. Parts and labor shall be covered such that individual luminaire outages will be repaired when the usage of any field is materially impacted. Manufacturer is responsible for removal and replacement of failed luminaires, including all parts, labor, shipping, and equipment rental associated with maintenance.
7) Manufacturer to provide a list of 10 projects where the technology, warranty, and specific fixture proposed for this project has been installed in the state of Wyoming in the last 3 years. Reference list will include project name, project city, installation date, and if requested, contact name and contact phone number.
B. Color: The lighting system shall have a minimum color temperature of 5700K and a
CRI of 75.
C. Mounting Heights: To ensure proper aiming angles for reduced glare and to provide better playability, minimum mounting heights shall be as described below. Higher mounting heights may be required based on photometric report and ability to ensure the top of the field angle is a minimum of 10 degrees below horizontal.
1.3 ENVIRONMENTAL LIGHT CONTROL
A. 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.
B. Spill Scans: Spill scans must be submitted indicating the amount of horizontal and vertical 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.
C. 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 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.
Bid S-29-25 / Page 7 of 11
1.4 Cost of Ownership
A. Manufacturer shall submit a 25 year Cost of Ownership summary that includes energy consumption, anticipated maintenance costs, and control costs. All costs associated with faulty luminaire replacement - equipment rentals, removal and installation labor, and shipping - are to be included in the maintenance costs.
PART 2 – PRODUCT
2.2 SPORTS LIGHTING SYSTEM CONSTRUCTION
A. Manufacturing Requirements: All components shall be designed and manufactured as a system. All luminaires, wire harnesses, drivers and other enclosures shall be factory assembled, aimed, wired and tested.
B. 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, 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.
C. System Description: Lighting system shall consist of the following:
1. Galvanized steel poles and cross-arm assembly.
2. Non-approved pole technology:
a. Square static cast concrete poles will not be accepted.
b. Direct bury steel poles which utilize the extended portion of the steel shaft for their foundation will not be accepted due to potential for internal and external corrosive reaction to the soils and long term performance concerns.
3. Lighting systems shall use concrete foundations. See Section 2.4 for details.
a. For a foundation using a pre-stressed concrete base embedded in concrete backfill the concrete shall be air-entrained and have a minimum compressive design strength at 28 days of 3,000 PSI. 3,000 PSI concrete specified for early pole erection, actual required minimum allowable concrete strength is 1,000
PSI. All piers and concrete backfill must bear on and against firm undisturbed soil.
b. For anchor bolt foundations or foundations using a pre-stressed concrete base in a suspended pier or re-inforced pier design pole erection may occur after 7 days. Or after a concrete sample from the same batch achieves a certain strength.
4. Manufacturer will supply all drivers and supporting electrical equipment
Bid S-29-25 / Page 8 of 11
a. Remote drivers and supporting electrical equipment shall be mounted approximately 10 feet above grade in aluminum enclosures. The enclosures shall be touch-safe and include drivers and fusing with 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. Integral drivers are not allowed.
b. Manufacturer shall provide surge protection at the pole equal to or greater than 40 kA for each line to ground (Common Mode) as recommended by
IEEE C62.41.2_2002.
5. Wire harness complete with an abrasion protection sleeve, strain relief and plug-in connections for fast, trouble-free installation.
6. All luminaires, visors, and cross-arm assemblies shall withstand 150 mi/h winds and maintain luminaire aiming alignment.
7. Control cabinet to provide remote on-off control, monitoring, and entertainment features of the lighting system. See Section 2.3 for further details.
8. Contactor cabinet to provide on-off control.
9. Manufacturer shall provide lightning grounding as defined by NFPA 780 and be
UL Listed per UL 96 and UL 96A.
a. Integrated grounding via concrete encased electrode grounding system.
b. If grounding is not integrated into the structure, the manufacturer shall supply grounding electrodes, copper down conductors, and exothermic weld kits.
Electrodes and conductors shall be sized as required by NFPA 780.The grounding electrode shall be minimum size of 5/8 inch diameter and 8 feet long, with a minimum of 10 feet embedment. Grounding electrode shall be connected to the structure by a grounding electrode conductor with a minimum size of 2 AWG for poles with 75 feet mounting height or less, and
2/0 AWG for poles with more than 70 feet mounting height.
c. Safety: All system components shall be UL listed for the appropriate application.
2.1 ELECTRICAL
A. Electric Power Requirements for the Sports Lighting Equipment:
1. Electric power: 480 Volt, 3 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.
2.3 CONTROL
A. Instant On/Off Capabilities: System shall provide for instant on/off of luminaires.
B. Lighting contactor cabinet(s) constructed of NEMA Type 4 aluminum, designed for easy installation with contactors, labeled to match field diagrams and electrical design.
Manual off-on-auto selector switches shall be provided.
C. Dimming: System shall provide for 3-stage dimming (high-medium-low Dimming
Bid S-29-25 / Page 9 of 11 will be set via scheduling options (Website, app, phone, fax, email)
D. Remote Lighting Control System: System shall allow owner and users with a security code to schedule on/off system operation via a web site, phone, fax or email up to ten years in advance. Manufacturer shall provide and maintain a two-way TCP/IP communication link. Trained staff shall be available 24/7 to provide scheduling support and assist with reporting needs.
The owner may assign various security levels to schedulers by function and/or fields.
This function must be flexible to allow a range of privileges such as full scheduling capabilities for all fields to only having permission to execute “early off” commands by phone. Scheduling tool shall be capable of setting curfew limits.
Controller shall accept and store 7-day schedules, be protected against memory loss during power outages, and shall reboot once power is regained and execute any commands that would have occurred during outage.
E. Remote Monitoring System: System shall monitor lighting performance and notify manufacturer if individual luminaire outage is detected so that appropriate maintenance can be scheduled. The controller shall determine switch position (manual or auto) and contactor status (open or closed).
F. Management Tools: Manufacturer shall provide a web-based database and dashboard tool of actual field usage and provide reports by facility and user group. Dashboard shall also show current status of luminaire outages, control operation and service.
Mobile application will be provided suitable for IOS, Android and Blackberry devices.
Hours of Usage: Manufacturer shall provide a means of tracking actual hours of usage for the field lighting system that is readily accessible to the owner.
1. Cumulative hours: shall be tracked to show the total hours used by the facility
2. Report hours saved by using early off and push buttons by users.
G. Communication Costs: Manufacturer shall include communication costs for operating the control and monitoring system for a period of 25 years.
H. Communication with luminaire drivers: Control system shall interface with drivers in electrical components enclosures by means of powerline communication
2.4 STRUCTURAL PARAMETERS
A. Wind Loads: Wind loads shall be based on the 2021 International Building Code.
Wind loads to be calculated using ASCE 7-10, an ultimate design wind speed of
110mph and exposure category C.
B. Pole Structural Design: The stress analysis and safety factor of the poles shall conform to 2013 AASHTO Standard Specification for Structural Supports for Highway Signs, Luminaires, and Traffic Signals (LTS-6).
C. Foundation Design: The foundation design shall be based on soil parameters as outlined in the geotechnical report. If no geotechnical report is available, the foundation design shall be based on soils that meet or exceed those of a Class 5
Bid S-29-25 / Page 10 of 11 material as defined by 2018 IBC Table 1806.2.
PART 3 – EXECUTION
3.1 SOIL QUALITY CONTROL
A. It shall be the Contractor’s responsibility to notify the Owner if soil conditions exist other than those on which the foundation design is based, or if the soil cannot be readily excavated. Contractor may issue a change order request / estimate for the Owner’s approval / payment for additional costs associated with:
1. Providing engineered foundation embedment design by a registered engineer in the State of Colorado for soils other than specified soil conditions;
2. Additional materials required to achieve alternate foundation;
3. Excavation and removal of materials other than normal soils, such as rock, caliche, etc.
3.2 DELIVERY TIMING
A. Delivery Timing Equipment On-Site: The equipment must be on-site 8-12 weeks from receipt of approved submittals and receipt of complete order information.
3.3 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 LM-5- 04.
B. Field Light Level Accountability
1. Light levels are guaranteed not to fall below the target maintained light levels for the entire warranty period of 25 years. These levels will be specifically stated as
“guaranteed” on the illumination summary provided by the manufacturer.
2. The contractor/manufacturer shall be responsible for conducting initial light level testing and an additional inspection of the system, in the presence of the owner, one year from the date of commissioning of the lighting.
3. The contractor/manufacturer will be held responsible for any and all changes needed to bring these fields back to compliance for light levels and uniformities.
Contractor/Manufacturer will be held responsible for any damage to the fields during these repairs.
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.
3.4 WARRANTY AND GUARANTEE
A. 25-Year Warranty: Each manufacturer shall supply a signed warranty covering the entire system for 25 years from the date of shipment. Warranty shall guarantee specified light levels. Manufacturer shall maintain specifically-funded financial
Bid S-29-25 / Page 11 of 11 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: Manufacturer shall monitor the performance of the lighting system, including on/off status, hours of usage and luminaire outage for 25 years from the date of equipment shipment. Parts and labor shall be covered such that individual luminaire outages will be repaired when the usage of any field is materially impacted.
Manufacturer is responsible for removal and replacement of failed luminaires, including all parts, labor, shipping, and equipment rental associated with maintenance.
Owner agrees to check fuses in the event of a luminaire outage.
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