02926.40 1149 Section 02926 - Highway Illumination Materials
Description
02926.00Scope - In addition to all applicable portions of AASHTO Roadway Lighting Design Guide
2018) , this Section includes the requirements for highway illumination installations.
Materials
02926.01Materials - Hardware shall be furnished and installed with hot -dip galvanized or Type 304
or 316 stainless steel screws, bolts, nuts and washers. Bolts and screws shall have square or hex heads. Allen head fasteners are not allowed.
Cabinets and Control Devices
02926.40Cabinets - Construct all cabinets from 12 gauge Type 304 stainless steel, or 10 gauge
sheet steel and hot -dip galvanize after fabrication according to 02530.70. Post mount cabinets shall be weatherproof, rated as NEMA type 3R, and constructed as shown.
With 3 phase electrical system or main circuit breaker of 200 amp or higher, pad-mount cabinet shall be ins talled as shown. It shall be NEMA type 3R, with hinged double door, 3 point lockable vault handles and stainless steel hardware. Cabinet size is 48 inches x 63 inches x 18 inches deep, or as shown.
The internal wiring of cabinets shall be done by a UL li sted facility. Cabinets shall conform to one or more of the following standards where appropriate:
UL 50, Cabinets and Boxes UL 67, Panelboards UL 869A, Service Equipment
Use a welded conduit hub to make conduit entrances into cabinets. Hubs shall be of the size required and shall be securely welded to the cabinet before galvanizing. Malleable iron screw -on hubs may be used as approved. Power service cabinets with live parts exposed shall have a dead-front panel installed with cutouts for operating handles. Each dead-front panel shall have a minimum of two holding latches to maintain rigidity of the panel.
Construct the dead-front panels of stainless steel or code-gauge galvanized steel and treat all cut galvanized steel edges with zinc -rich paint. Prime galvanized steel dead-front panels with vinyl wash primer and finish with exterior polyurethane enamel. The finish color of galvanized steel shall be aluminum.
In all outdoor locations, mounting pans are required when circuit brea kers, contactors, relays, switches, transformers or other types of electrical Equipment are to be mounted inside the cabinet.
Label circuit breakers and Equipment with an engraved permanent label on the dead-front panel to indicate the circuit controlled.
Provide each cabinet with a latching device for a standard Agency padlock.
Meter base shall be made from 16 gauge galvanized sheet steel (G90), and powder coated inside and out after fabrication, or from 16 gauge Type 304 stainless steel sheet. 02926.41 1150
02926.41Circuit Control Devices :
specified. Circuit breaker's interrupting rating shall meet or exceed short circuit rating of the specified electrical system.
Circuit breakers shall be UL 489 conformed, thermal magnetic molded case circuit breakers and bolt-on type with individually insulated and protected terminals, suitable for surface mounting in the cabinet on a false back or bracket.
All 100 A frame breakers shall be Class 13a for single pole breakers, Class 18a for multiple pole breakers, and 225 A frame breakers shall be Class 20a in Federal Specific ation W -C-375B, table "Classification of ratings". Install overcurrent protection and relay Equipment , as shown or specified, with materials and installation conforming to the NEC.
high- intensity discharge type lamp loads, electrically held. The contactors shall have a 600 V rating. All multiple light contactors shall be unenclosed single-phase, two- or three -pole, open type lighting contactors of the rating shown or specified. Construct contactors for surface mounting on a false back or bracket within a weatherproof cabinet. The contactor coil shall operate on 120 V for 240 V circuits and 240 V, 208 V, and 277 V for 480 V circuits.
The test switch shall be a heavy -duty single -pole switch or circuit breaker rated at 15 A and shall be installed in the control cabinet as a roadway lighting test switch. The switch shall be wired to shunt the photoelectric relay power contactor and energize the lighting circuit contactors.
by a twisting motion. The unit shall have a b uilt-in surge protective device for protection from induced high voltage and follow -through currents. The relay shall meet or exceed the requirements of ANSI C136.10. Factory set turn- on lights shall be 1.4 footcandle ± 0.2 footcandle at 120 V AC. When operated at 240 V AC, turn -on shall not change more than plus or minus 0.3 footcandle from the 120 V value. Maximum off -to-on ratio shall be 1.5:1.
The photoelectric relay shall be a cadmium -sulfide photocell encapsulated for humidity protection, or a sil icon junction type photo -transistor.
Normal operation shall be designed for dual voltage operation of 105 V - 285 V, 60 Hz.
Power consumption shall be less than 1 W. At the designated voltage, the photoelectric relay shall be capable of controlling a mi nimum HID or LED luminaire load of 1000 W. Minimum operating temperature range shall be from -40 °F to 150 °F. A time -delay control circuit shall prevent false turn -offs by transient light conditions. Provide a fail-safe circuit for the lighting load to remain on or become energized if any functional failure of the photoelectric control circuit occurs.
02926.52 1151 (f) Electrical Splice Materials - Furnish electrical splice materials meeting the following requirements:
Split bolt - Made of silicon bronze to securely join the wires both mechanically and electrically. Heat -shrink tubing - Split-resistant and adhesive -lined tube made of polyolefin complying with UL 224 or UL 486D , temperature range -67 °F to 230 °F, with 600 V rated inner melting wall or liner to provide void -free encapsulated insulation. Insulating ru bber tape - Electrical grade, nondrying, rubber based, e lastic type complying with ASTM D4388. Insulating vinyl plastic tape - Low temperature (0 °F) resistant, vinyl chloride plastic, electrical insulating tape with pressure-sensitive adhesive. Comply wi th ASTM D3005.
Lamps, Ballasts, and Luminaires
02926.50Illumination Lamps - All high -pressure sodium lamps shall conform to ANSI Standards
All lam ps of the same size and type, on a single project, shall be from the same manufacturer's lot number. All lamp bases shall have a brass mogul base mounting with dating system.
Lamps shall have an average minimum initial lumen rating (after 100 burning hours) and an average minimum lamp life (based on 10 hours per start) as follows:
Minimum Lamp Minimum Lamp Initial Lumens Average Watts ANSI Code Vertical Horizontal Lamp Life
High -Pressure Sodium - Clear
70 S62ME -70 6,300 6,300 24,000 100 S54SB-100 9,500 9,500 24,000 250 S50VA-250/S 29,000 29,000 24,000 400 S51WA -400 50,000 50,000 24,000 1,000 S52XB-1000 140,000 140,000 24,000
02926.52Ballasts - High-pressure sodium ballasts shall be magnetic regulator (lag type regulator)
with primary and secondary windings electrically isolated from each other.
Unless otherwise shown or specified, the ballast shall be an integral part of the luminaire unit. It shall be of the prewired, built -in type mounted in the luminaire.
Provide a manufacturer's nameplate on the ballast housing. The nameplate shall have the manufacturer's name, model number, serial number, hook -up diagram, power supply data, lamp type and operating wattage.
The ballast shall operate the lamp within the limits specified below throughout the rated life of the lamp:
• The lamp wattage shall not vary more than the allowable range shown in the table below over the line voltage variation shown. • The lamp wattage shall not vary more than plus or minus 5 percent of nominal when the lam p is at its rated nominal voltage (high-pressure sodium lamps only). 02926.53 1152 • The minimum efficiency of the ballast (nominal lamp watts/line watts) shall not be less than shown below. • The ballast shall not allow the lamp arc to extinguish when a line voltage dip as shown below occurs for several seconds. • The power factor shall not drop below 90 percent for the line voltage variation shown below. • The line starting current shall not exceed normal line operating current. • The ballast shall start and operate the lamp in ambient temperatures down to - 20 °F. • The lamp current crest factor shall not exceed 1.8 for line voltage variation shown below. • The ballast shall conform to all ANSI Standards. • The ballast shall have capacity to operate dual -arc tube lamps as well as standard lamps without modification of the luminaire. Submit for review ballast electrical data and lamp operating volt -watt traces for nominal and ± 10 percent rated line voltage for each type of high-pressure sodium lamp ballast. Lamp Line Allowable Allowable Lamp Wattage Voltage Lamp Watt Minimum Line Type Range Variation Variation Efficiency Voltage Dip
HPS 70 - 100 ± 10% ± 10% 70% 40 - 50% HPS 150 - 400 ± 10% ± 10% 78% 40 - 50% HPS 1,000 ± 10% ± 10% 92% 40 - 50%
Unless otherwise shown or sp ecified, operate ballasts on 240 V or 480 V. When 120 V operation is specified, the ballast shall be a multi -voltage type with taps to allow the ballast to be connected to 120 V, 208 V, 240 V, or 277 V.
02926.53High -Intensity Discharge Luminaires :
Luminaires shall have a cast -aluminum housing and shall attach to 2 inch pipe tenons on mast arms. The luminaire attachment fitting shall provid e for a minimum of plus or minus 3 degree adjustment of the luminaire in the vertical direction. The reflector of all luminaires shall be of a snap- on or easily removed design manufactured of polished aluminum or molded from prismatically formed borosilicate glass. The refractor shall be mounted in a door frame assembly hinged to the luminaire and secured in the closed position by means of an automatic latch or a draw latch. The refractor and doorframe assembly, when closed, shall exert pressure against a gasket. Gaskets shall be composed of material capable of withstanding the temperatures encountered and shall be securely held in place. Glassware shall be of the refractor type with prisms.
Reflectors and refractors provided with the luminaire shall be stamped or labeled with a part number. The luminaire photometric submittal (isocandela diagrams) shall indicate the reflector and refractor part number used. All luminaires shall have their components secured to the luminaire frame with corrosion -resistant mounting hardware. The housing, complete with integral ballast, shall be weather tight.
If sand -cast, the aluminum housing shall be left in its natural finish. If die- cast, the housing shall be given a coat of aluminum paint.
Refrac tors shall be formed from heat -resistant, high-impact, molded borosilicate glass. 02926.54 1153 Lamp sockets shall be adjustable to obtain the light distribution shown or specified.
Socket opening shall be sealed with a heat -resistant filter or filtering gasket to prevent the entry of dirt, insects or moisture into the optical system.
The socket mounting mechanism shall be sufficiently rigid that upon application of a 2 pound load in any direction on the light source center, the light source center shall not deflect m ore than 1/16 inch.
shown or specified. The classifications listed shall conform to ANSI definitions.
medium (M), and long (L). Classification of the three groups depends on the maximum candle power point within a grid area according to the ANSI/IES RP -8 (2018 ) publication.
designations:
Type I Type II Type III Type IV Type V The type designations listed above shall conform to ANSI definitions.
the candle power in the upper portion of the beam above the maximum candle power. The following three classifications shall be used:
Cutoff Semi cutoff Noncutoff
The classifications listed above shall conform to ANSI definitions.
02926.54LED Luminaires :
to ANSI C136.37-2011 and utilizing high-power LEDs as the light source. All internal components shall be assembled and pre-wired using modular electrical connections. Wiring, grounding, and terminal block installation shall be according to ANSI C136.37. Luminaires shall accept a designated voltage range of 50 to 60 Hz, and operate normally with an input voltage that is within 10 percent of the specified voltage.
the luminaire housing shall be UL listed for wet locations (UL 1598). After 1000 hours of salt chamber exposure, according to ASTM B117, luminaires urface shall exceed a rating of 6 for rust creepage for scribed specimens according to ASTM D1654.
02926.54 1154 (3) Thermal Management - The luminaire shall start and operate in the ambient temperature range specified. Mechanical design of heat sink fins shall facilitate hose-down cleaning and discourage debris accumulation. Liquids or moving parts (such as fans) shall be clearly indicated in submittals, consistent with product testing, and s ubject to approval by the Engineer.
requirements:
• Rated to operate in -40 °C to 40 °C ambient temperature • Total Harmonic Distortion (THD) to be less than 20 percent • Have minimum power factor of 90 percent • Comply with requirements of UL, CSA, and FCC regulations in 47 CRF Part 15 • Rated for outdoor operation and have an ANSI/IEC rating of IP66
Furnish a dimmable driver for each high- mast, highway/street lighting luminaire, including ornamental lighting and intersection lighting on signal systems, with two leads to accept standard
0-10V (DC), except on the luminaires of 100 watts or less. The dimming contr ol shall be
compatible with IEC 60929. If the control leads are open or the analog control signal is lost, the circuit shall default to 100 percent power. Conductors and terminals shall be identified.
and wall -mount luminaires, p rovide an ANSI C136.41compliant, 7-pin receptacle that is fully prewire for t he LED driver's control. For 0-10 V dimmable LED drivers, connect control wires to the receptacle pads as specified in ANSI C136.41.
When the photo control is required, furnish and install a specified photo control unit with the specified driver on each LED luminaire. If the photo control is not required, install a shorting cap on each luminaire, as directed by the Engineer.
Luminaires shall conform to ANSI C136.2 for e lectrical immunity, using the c ombination wave test level of 6 kV/3 kA. Luminaires shall comply with interference criteria for Class A digital devices according to FCC regulations in 47 CFR Part 15.
to ANSI C136.15 and ANSI C136.22.
lighting arrays from electrical transients. The SPD shall be recognized according to UL1449 and rated for 10 kV/5 kA combination wave surges according to ANSI/IEEE C62.41.2. The SPD shall comply with FCC regulations in 47 CFR Part 15, Subpart B for the emission of electronic noise.
following maximum power consumption values are allowed on ODOT Standard Pole mounting for State Highways:
Mounting Height Maximum Wattage in (ft.) LED Luminaire 25.0 to < 30.0 100 30.0 to < 35.0, or when replacing 150 watt HPS 120 35.0 to < 40.0, or when replacing 200/250 watt HPS 200 02926.54 1155 40.0 to 55.0, or when replacing 310/400 watt HPS 300 Each LED luminaire in high mast tower 500
to the general performance requirements in 02926.54(a) and the following:
that is not specified as approved, the luminaire shall meet the followi ng general requirements :
Minimum luminaire efficacy: .............................. 115 lumens/watt (LPW) Nominal input power: ........................................ 110 - 136 watts Nominal input voltage: ...................................... 240 volts Minimum lumen output: ..................................... 14,000 lumens Minimum lumen maintenance at 50,000 hrs.: .... 86% of initial lumens Nominal CCT (Correlated color temp.): .............. 3000 or 4000 ± 250 °K Color Rendering Index (CRI) ............................. ≥ 70 BUG rating: ....................................................... B3-U0-G3 Nominal type of output pattern: ......................... Type 3 Medium Maximum luminaire weight: .............................. 30 lb. EPA: .................................................................. 0.5 – 0.9 sq. ft. Mounting method: ............................................. 2 inch tenon as shown Vibration: ........................................................... 3G vibration test Thermal: ............................................................ -40 – 40 °C operation Photo control receptacle: .................................. ANSI C136.41, 7- pin LED driver: ........................................................ 0-10 V dimmable
luminaire model that is not specified as approved, the luminaire shall meet the following general requirements:
Minimum luminaire efficacy: .............................. 117 lumens/watt (LPW) Nominal input power: ........................................ 180 - 214 watts Nominal input voltage: ...................................... 240 volts Minimum lumen out put: ..................................... 24,000 lumens Minimum lumen maintenance at 50000 hrs.: ..... 86% of initial lumens Nominal CCT (Correlated color temp.): .............. 3000 or 4000 ± 250 °K Color Rendering Index (CRI): ............................ ≥ 70 BUG rating: ........................................................ B3-U0-G3 Nominal type of output pattern: .......................... Type 3 Medium Maximu m luminaire weight: ............................... 30 lb. Maximum EPA: .................................................. 1.0 sq. ft. Mounting method: .............................................. 2 inch tenon, as shown Vibration: ............................................................ 3G vibration test certified (ANSI C136.31) Thermal: ............................................................. -40 – 40 °C operation 02926.54 1156 Photo c ontrol receptacle : ................................... ANSI C136.41, 7- pin LED driver: ......................................................... 0-10 V dimmabl e
to 00150.37 for review by the Engineer:
Four copies of LED luminaire manufacturer's data sheets, including light source, drivers, surge protection device, and installation instructions. For the dimmable LED driver specified, diagrams illustrating light output and input power as a function of control signal. IES LM -79 luminaire photometric reports produced by the test laboratory, that satisfy LED Lighting Facts accreditation requirements. Reports shall include the name of the laboratory, report number, date, luminaire catalog number, luminaire description, and Backlight -Uplight -Glare (BUG) ratings. Lumen maintenance calculations and supporting data shall be in accordance with LED Lighting Facts guidance. Computer generated photometric analysis and calculation of maintained light levels shall be in accordance with IES RP-8, Roadway Lighting. Use a Light Loss Factor (LLF) of 0.8 or less, according to the individual luminaire test report data. Do not use the Mesopic multipliers of effective luminance factors for calculation. IES format electronic file containing luminous intensity data associated with submitted LM -79 reports and used for point -by-point calculations.
Within 21 Calendar Days after receipt of submittals, the Engineer will review the submittals and designate t hem in writing as “ approved”, “approved as noted”, or “returned for correction” . Do not begin LED l uminaire installation before receiving written approval of submittals from the Engineer.