ELECTRICAL CONDUIT 709.03 695 Table 708:14 Sampling and Testing of Aggregates, Bituminous Mixtures, and Asphalt Materials Materials Testing Method c Compact lab -molded specimens to N des gyrations to determine the density at N des, percent of G mm. Back -calculate the density at N ini, percent of G mm, from these specimens. Compact lab -molded specimens to N max gyrations to determine the density at N max, percent of G mm for mix designs and JMF changes only. Ensure reported values are the average of two specimens. d Use OHD L -7 for OGFSC only. e Use ASTM D 6084 for PG binders only. f Use OHD L -42 for polymer modified emulsions only. g Use AASHTO R 30 for aging instead of the procedure outlined in AASHTO T 283.
709.01 General
Ensure all conduits and fitting are liquid -tight. Ensure outlet boxes, fittings, entrance caps, and other accessories comply with current industry standards and are compatible with the conduit material used.
709.02 Metallic Conduits
A.Rigid Provide a UL -rated, rigid, galvanized steel c onduit, intermediate metallic conduit, electrical metallic tubing, or rigid aluminum conduit.
B.Flexible Provide a liquid -tight, flexible steel conduit in accordance with UL -360.
709.03 Non -Metallic Conduit S
A.Rigid Provide rigid PVC, schedule 40 conduit in accordance with UL -651. For solvent cement to join conduit, refer to ASTM D 2564.
B.Flexible Provide a smooth -wall, coilable, UL -rated, flexible plastic conduit in accordance with NEMA TC7.
709.03 Electrical Conduit
696 C. Cable -in-Duct Provide UL -rated, factory -assembled cable -in-duct conduit. Ensure the duct is high density polyethylene. Identify the conductor by color -coding the insulation with a continuous longitudinal stripe, or provide colored insulation in addition to standard conductor markings. DELINEATORS 710.01 697 SECTION 710 DELINEATORS
710.01 Reflectors
A.General Provide circular reflectors mounted on posts to form delineators with a mounting hole through the center. Ensure the reflector can accommodate a 3/16 in [4.76 mm] nominal diameter blind rivet expanded to 0.196 in [4.98 mm] without fracturing. Alternatively, make the center mount reflectors with an aluminum housing.
B.Definitions Incidence angle. The angle between the direction of light incident on the reflector and the direction of the reflector ’s axis. Divergence angle. The angle between the observer’s line of sight and the direction of light incident on the reflector. Specific intensity. The intensity, in candelas, that a reflector returns at the chosen divergence angle for each foot -candle [lux] of illumination at the reflector. Lens. Reflective area of a reflector.
C.Delineators Mount reflectors on galvanized steel posts for delineators on roadway shoulders and guard rail posts. For delineators on bridges, mount reflectors on galvan ized steel posts and brackets.
D.Acrylic Plastic Reflector Provide an acrylic plastic methyl methacrylate reflector in accordance with Federal Specifications L-M-5002, Type 1, Class 3. Provide reflectors with the following characteristics: A colorless cry stal, amber , or red transparent plastic face with a diameter of at least 3.0 in [76.2 mm]; A lens of at least 7.0 in² [4,516 mm²]; A heat sealable acrylic plastic or heat sealable metal foil back fused around the lens perimeter under heat and pressure; and A central mounting hole sealed against water and water vapor. Provide embossed aluminum housing with a thickness from 0.02 in ±0.002 in [0.51 mm ±0.051 mm]. Back center mount reflectors without aluminum housing with a vapor -tight, hermetically -sealed pla stic backing. Provide a lens with a smooth front surface free of projections or indentations, except for the central mounting hole and identification, with a rear surface bearing a prismatic configuration that will
Source: Oklahoma Standard Specifications for Highway Construction, 2019 Edition. Pages 709–710 of 935.