228(c) Extruded bars, rods, shapes, and tubes shall conform to ASTM-B221, alloy 6061-T6 or 6063-T6. Aluminum alloy extrusions, extruded tubes, drawn tubes, or pipes that are to be bent on a radius of less than 3 feet may be made from alloy having a temper condition of 0.
d.Drawn tubes shall conform to ASTM B210, alloy 6061-T6.
e.Pipe shall conform to ASTM B429 or ASTM B241, alloy 6061-T6 or 6063-T6.
f.Bolts, studs, nuts, set screws, washers, and rivets shall be furnished as commercial items suitable for the application.
g.Permanent-mold castings for items other than rail posts shall conform to ASTM B108, alloy 356.0-T6. Cast aluminum alloy rail post shall conform to ASTM B108, alloy A444.0.
h.Sand castings shall conform to ASTM B26, alloys 319-F , 319.0-T6, 356.0-F , 356.0-T6, or 535.0-F .
i.Shims shall be made from a sheet or plate conforming to ASTM B209, alloy 1100-O.
j.Aluminum filler metal for welding shall conform to AWS 1.2.
k.Rolled or extruded structural shapes shall conform to ASTM B308, alloy 6061-T6.
l.Breakaway support couplings for light poles and sign posts shall conform to ASTM B209 or ASTM B221, alloy 6061-T6.
m.Frangible bases for light and signal poles shall conform to ASTM B26 or ASTM B108, alloy 319 or 356.0-T6.
n.Aluminum alloy for controller, control center, and flasher cabinets shall conform to ASTM B209, alloy 5052-H32.
o.Aluminum alloy for lighting and pedestal poles shall conform to ASTM B221, ASTM B241, or B429, alloy 6063-T6. SECTION 230—BRONZE AND COPPER ALLOY
230.01 Description
These specifications cover the fabrication of specific bronze or copper alloys, usually in the construction of a bridge structure or for electrical purposes.
230.02 Detail Requirements
a.Cast bronze shall conform to ASTM B22.
b.Copper alloy shall conform to ASTM B100, copper alloy No. 51000.
c.Coppe r sheets and strips shall conform to ASTM B370.229.02 229SECTION 231—P AINT
231.01 Description
These specifications cover a mixture of pigment in a liquid vehicle that, when applied, will dry to an opaque solid film. Use of paint in these specifications refers to the requirements for highway construction. Paint materials not specified herein shall be as specified by the manufacturer and recommended specifical - ly for or compatible with the intended application.
231.02 Materials
Paint shall not be formulated with any compounds of the heavy metals listed in 40 CFR 261.24, Table 1, except that barium sulfate is allowed. Except for barium sulfate, total heavy metal levels shall not exceed 20 times the specified regulatory limits. V olatile organic compound (VOC) content shall not exceed 2.8 pounds per gallon as applied, except zinc rich primers shall not exceed 3.5 pounds per gallon as applied. When Federal Standard (FS) color numbers are specified, they refer to color only and not to gloss requirements.
a.Paint vehicles shall conform to the following requirements: V ehicle Specification Acrylic resin 100% straight acrylic polymer dispersed in water Alkyd resin FS TT -R-266, Type I, Class A or B Linseed oil Boiled ASTM D260, Type I Heat bodied FS TT -L-201 Raw ASTM D234 Methyl ethyl ketone ASTM D740 Mineral spirits ASTM D235 Soybean oil Refined ASTM D1462 Degummed ASTM D124 Spar varnish FS TT -V -121 Toluene ASTM D841 Tricresyl-phosphate ASTM D363 V olatile thinners ASTM D235 2-ethoxyethanol acetate ASTM D3728
b.Paint pigments shall conform to the following requirements: Pigment Specification Aluminum paste ASTM D962 Carbon black ASTM D561, Type I Lamp black ASTM D209 Magnesium silicate ASTM D605 Micaceous iron oxide Processed specular hematite ore with lamellar structure that conforms to ASTM D 5532, Type I231.02
Source: Virginia Road and Bridge Specifications, 2020 Edition. Pages 256–256 of 1,065.