SECTION 829 —HARDWARE FO R TIMBER STRUCTURES
829.01 GENERAL. Furnish fasteners that are industry recommended for the timber type
being used. Fasteners shall include nails, spikes, bolts, dowels, washers, and lag screws.
829.02 BOLTS. Use machine bolts having square heads and nuts, and ensure that screw
threads make a close fit in the nuts. Furnish machine bolts, drift-bolts, and dowels of either wrought iron or medium steel. Designate the weight of bolts as “American Standard Regular.”
829.03 WASHERS. Furnish washers that either are cast O-gee or malleable castings or
are cut from medium steel or wrought-iron plate, as specified in the Contract.
829.04 NAILS. For nails, use cut or round wire of standard form. Furnish cut or wire
spikes, or boat spikes, as specified in the Contract. 829-1 SECTION 830 RETROREFLECTIVE MATERIALS
830.01 DESCRIPTION. This section covers the requirements for retroreflective
materials used on signs, delineators, and channelizing devices (drums, cones, barricades, and tubular markers).
830.02 GENERAL REQUIREMENTS. Ensure that all materials and prepared sign
faces are free from cracks, tear s, ridges, humps, discolorat ion, or other objectionable blemishes. Use sign sheeting materials that pr esent a finished surface suitable for receiving stenciled messages, paint overlays, or film overlays. Provide only retroreflective sign sheeting materials that conform to Federal Specification L-S-300C for solvent, heat, cold, and humidity resistance. The Department will reject signs and traffic control devices that do not conform to the requirements of this section.
830.02.01 Delineator Sheeting. Provide the size, color, and shape specified in the
Contract.
A.Barrier Wall Delineator. Use retroreflective sheeting conforming to ASTM D 4956, Type IX, Class 1.
B.Guardrail Delineator. Use retroreflective sheeting conforming to ASTM D 4956, Type IX, Class 1.
C.Delineator Post. Use retroreflective sheeting conforming to ASTM D 4956, Type IX, Class 1.
830.02.02 Barricade Sheeting. Use retroreflective sheeting conforming to ASTM D
4956, Type III or IV, Class 1.
830.02.03 Drum Sheeting. Use retroreflective sheeting conforming to ASTM D 4956,
Type III or IV, Class 1 or 3.
830.02.04 Cone and Tubular Marker Sheeting. Use retroreflective sheeting
conforming to ASTM D 4956, Type III or IV, Class 1 or 3.
830.02.05 Roll Up Sign Sheeting. Use retroreflective sheeting conforming to ASTM
D 4956, Type VI, Class 5. Use fluorescent orange sheeting for warning signs in construction zones.
830.02.06 Permanent Sign Sheeting. Use retroreflective sheeting conforming to
ASTM D 4956, Types III, IV, IX, or XI. Use th e appropriate type and color of sheeting as specified in the plans. If not addressed in the plans, use type and color in conformance with the Traffic Operations Guidance Manual.
830.02.07 Construction Sign Sheeting. For warning signs in construction zones, use
retroreflective sheeting conforming to ASTM D 4956, Types IV, VIII, IX, or XI and that is fluorescent orange in color. For regulatory and guide signs in construction zones, use retroreflective sheeting confor ming to subsection 830.02.06.
830.03 APPROVAL. The Department will approve retroreflective sheeting materials
based on KM 64-204 and conformance to this section. 830-1
Source: Kentucky Standard Specifications for Road and Bridge Construction, 2019 Edition. Pages 625–625 of 718.