SOLAR TRAFFIC COUNTING STATION
PART 1 GENERAL
1.1SECTION INCLUDES
A.Complete and operational solar traffic counting station.
B.Installation of State furnished equipment required for solar traffic counting
station.
1.2RELATED SECTIONS
A.Section 02776: Concrete Flatwork
B.Section 02892: Traffic Signal
C.Section 03055: Portland Cement Concrete
D.Section 13554: Underground Junction Box
E.Section 13559: Non-Intrusive Detector (NID) System
F.Section 13595: ITS Integration, Inspection, Testing, and Acceptance
G.Section 16525: Highway Lighting
H.Section 16530: Electrical Power
1.3REFERENCES
A.ASTM C 1107: Packaged Dry, Hydraulic-Cement Grout (Non Shrink)
B.American Iron and Steel Institute (AISI)
C.National Electrical Manufacturers Association (NEMA)
D.National Electrical Code (NEC)
1.4DEFINITIONS Not Used
Solar Traffic Counting Station
1.5SUBMITTALS Not Used
PART 2 PRODUCTS
2.1STATE FURNISHED EQUIPMENT
A.Luminaire pole with slip base assembly and anchor bolts
B.Solar panel and mounting bracket
C.NID and fiber communication system. Refer to Section 13559.
1.Surge suppressor
2.Serial to ethernet adapter
3.Cisco switch
4.Fiber jumpers
5.NID sensor
6.NID mounting bracket
7.NID cable
D.NID and cellular modem communication system. Refer to Section 13559.
1.Surge suppressor)
2.Cellular modem
3.Antenna with mount for cellular modem
4.Antenna cable for cellular modem
5.NID sensor
6.NID mounting bracket
7.NID cable
E.Solar controller
F.Batteries
G.Pole-Mounted Cabinet. – Refer to Section 02892.
H.Empty Battery Cabinet NEMA 3R rated
2.2UNDERGROUND JUNCTION BOX
A.Refer to Section 13554.
2.3GROUND ROD
A.Refer to Section 16530.
Solar Traffic Counting Station
2.4MOUNTING EQUIPMENT
A.Additional mounting hardware as necessary – AISI Type 316 Stainless
Steel.
2.5FLEXIBLE LIQUID-TIGHT CONDUIT
A.Provide flexible liquid-tight conduit with compression seals sized according
to NEC for conductors and communication cable. Refer to Section 16530.
2.6NON-SHRINK GROUT
A.Refer to ASTM C 1107.
2.7CONCRETE SERVICE PAD
A.Concrete Class B. Refer to Section 03055.
2.8SOLAR PANEL CABLE
A.Use 12 AWG conductors 90C 600W sunlight resistant type RHW-2/USE-2
or type PV solar panel cable.
PART 3 EXECUTION
3.1PREPARATION
A.Contact the Engineer at least 30 calendar days before State furnished
solar traffic count station items are needed to schedule pick up of the items.
B.Clear luminaire pole exterior of all loose rust and mill scale, dirt, oil,
grease, and other foreign substances.
3.2LUMINAIRE POLE AND FOUNDATION
A.Construct highway luminaire ground mounted pole and foundation
according to Section 16525 and the SL Series Standard Drawings.
B.Verify that the locations of the pole, junction boxes, and foundation
marked in the field have no conflicts with existing underground and overhead utilities.
C.Install pole with the hand hole facing away from traffic.
Solar Traffic Counting Station
D.Plumb poles to vertical with NID equipment installed.
E.Place non-shrink grout between base plate and foundation surface.
F.Install ground lug and connect ground conductor from lug to ground rod in
the junction box according to AT Series Standard Drawings.
G.Bond pole and grounding conductor to concrete encased grounding
electrode. Refer to Section 16530.
3.3CONCRETE SERVICE PAD
A.Install as shown in the AT Series Standard Drawings. Refer to 02776.
1.Use class B concrete.
3.4POLE-MOUNTED CABINET AND FLEXIBLE CONDUIT
A.Install pole-mounted cabinet centered 60 inches above grade at base of
pole.
1.Use stainless steel banding and refer to AT Series Drawings for
mounting brackets. Refer to Section 02892.
B.Install flexible liquid-tight conduit between cabinet and pole.
1.Provide workable space between conduits on pole. Refer to Section
16530.
3.5UNDERGROUND JUNCTION BOX
A.Install junction box near pole as shown in AT Series Standard Drawings.
Refer to Section 13554.
3.6GROUND ROD
A.Refer to Section 16530.
3.7SOLAR PANEL AND MOUNTING BRACKET
A.Install State furnished solar panel and mounting bracket.
1.Provide additional hardware as needed to complete the installation.
B.Install solar panel cable using cord connector to protect the cable entrance
into the luminaire pole.
Solar Traffic Counting Station
3.8NON-INTRUSIVE DETECTOR (NID)
A.Install items necessary to make the NID system complete and operational.
Refer to Section 13559.
B.Install NID to ensure clear line of sight detection and that it does not
conflict with the solar panel.
C.Mount and connect the NID at the height and orientation specified.
Refer to the following for installation:
1.Manufacturer’s Installation Guides
2.Manufacturer’s User’s Guide
3.AT Series Standard Drawings
D.NID Surge Protectors
1.Install NID surge protector in the pole-mounted cabinet with the 24
VDC power supply.
3.9CABLES AND CONDUCTORS
A.Do not exceed the minimum bending radius or the maximum pulling
tension recommended by the manufacturer’s specifications at any time.
B.Keep cable ends sealed at all times during installation.
1.Do not use tape.
C.Provide 6 ft of neatly coiled and bundled fiber drop cable in junction box
adjacent to the pole base.
D.Make all NID cable connections between the NID and pole-mounted
cabinet.
E.Arrange wiring neatly at cabinet, junction boxes, and fixtures.
3.10ITS INTEGRATION, INSPECTION, TESTING, AND ACCEPTANCE
A.Follow the integration, inspection, testing, and acceptance process
according to Section 13595.
END OF SECTION
Solar Traffic Counting Station
Utah revises spec sections through supplementals and new editions. We check this one every week and email you the day it changes. Free, no account.
Source: Utah Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 1252–1256 of 1,331.
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