NON-INTRUSIVE DETECTOR (NID) SYSTEM
PART 1 GENERAL
1.1SECTION INCLUDES
A.Installation of Non-Intrusive Detector (NID) System.
1.2RELATED SECTIONS
A.Section 13554: Underground Junction Box
B.Section 13556: Closed Circuit Television (CCTV) Camera System
C.Section 13595: ITS Integration, Inspection, Testing, and Acceptance
D.Section 16525: Highway Lighting
1.3REFERENCES
A.American Iron and Steel Institute (AISI)
1.4DEFINITIONS Not Used
1.5SUBMITTALS
A.Submit Local Field Operations Test (LFOT) form for information prior to
initiating 30-day burn-in test in accordance with Section 13595.
1.Refer to http://www.udot.utah.gov/go/standardsreferences for blank
LFOT forms.
PART 2 PRODUCTS
2.1STATE FURNISHED EQUIPMENT
A.Non-intrusive detector
B.NID mounting bracket
C.NID cable
Non-Intrusive Detector (NID) System
D.Luminaire pole or CCTV camera pole, anchor bolts and hardware kits
2.2UNDERGROUND JUNCTION BOX
A.Refer to Section 13554.
2.3CORD GRIP
A.Provide cord grip sized appropriately for cable.
B.Use Thomas and Betts, Remke, or Hubbell SHC1023 cord grip or
approved equivalent.
2.4MOUNTING EQUIPMENT
A.Additional mounting hardware as necessary – AISI Type 316 Stainless
Steel
PART 3 EXECUTION
3.1PREPARATION
A.Contact the Engineer at least 30 calendar days before State furnished NID
system items are needed to schedule pick up of the items.
B.Load and transport State furnished materials.
3.2LUMINAIRE POLE OR CCTV CAMERA POLE AND FOUNDATION
A.Construct highway luminaire ground mounted pole and foundation
according to Section 16525 and the SL Series Standard Drawings.
B.Construct CCTV camera pole and foundation according to Section 13556
and the AT Series Standard Drawings.
C.Verify that the installation of the pole, pole foundation, and junction boxes
in the location marked in the field has no conflict with existing underground and overhead utilities.
D.Install pole with the hand hole facing away from traffic.
E.Install ground lug and connect ground conductor from lug to ground rod in
the junction box according to AT Series Standard Drawings.
Non-Intrusive Detector (NID) System
F.Plumb poles to vertical with NID equipment installed when adjusting the
anchor bolt nuts.
3.3UNDERGROUND JUNCTION BOX
A.Install junction box near pole if control cabinet is more than 20 ft from pole.
B.Refer to Section 13554.
3.4NON-INTRUSIVE DETECTOR (NID)
A.Install items necessary to make the NID system complete and operational.
B.Install NID to make certain the detector has a clear line of sight.
C.Refer to the following for installation:
1.Manufacturer’s Installation Guides
2.AT Series Standard Drawings
D.Use offset bracket or other method so that NIDs are mounted out of the
lowering path on CCTV camera lowering poles.
3.5CABLES AND CONDUCTORS
A.Do not violate the minimum bending radius or the maximum pulling
tension recommended by the manufacturer’s specifications at any time.
B.Keep cable ends sealed during installation until connectors are installed.
C.Provide 6 ft of neatly coiled and bundled NID cable slack in junction box
adjacent to the cabinet.
D.Make all NID cable connections between the NID and ITS cabinet.
E.Create a drip loop with two cable loops approximately 8 inch in diameter
below the cord connector and NID. Refer to AT Series Standard Drawings.
1.Secure drip loop at two points and to the pole with wire tie cables.
F.Arrange wiring neatly in cabinet and junction boxes.
3.6ITS INTEGRATION, INSPECTION, TESTING, AND ACCEPTANCE
A.Follow the integration, inspection, testing, and acceptance process
according to Section 13595.
END OF SECTION Non-Intrusive Detector (NID) System
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Source: Utah Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 1257–1259 of 1,331.
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