709.34 Aluminum Alloy Pipes :
Aluminum alloy pipe shall conform to ASTM B241, alloy 6061, temper condition T6.
709.35 Aluminum Alloy Rivets :
Aluminum alloy rivets shall conform to Military Specifications MIL -R-5674; grade and head style shall be as specified by the Engineer.
709.36 Aluminum Alloy Bolts, Nuts and Set Scr Ews :
Aluminum alloy bolts and set screws shall be made from rod conforming to ASTM B211, alloy 2024, temper condition T4. The aluminum alloy nuts shall be made from rod conforming to either ASTM B221, alloy 6061, temper condition T6 or ASTM B211, alloy 6061, temper condition T6. Bolt head and nuts shall conform to the American Standard Regular Hexagon, ASA Specifications B 18.2 with the following modification: the width across the flats and the width across the corners may exceed the maximum given in the specification tables by an amount no greater than 20 percent (20%) of the difference between the maximum and minimum values given in the tables. Threads shall conform to American Standard C oarse Thread Class 2. The finished product shall be in the fully heat -treated and aged condition. Anchor bolts shall be given a clear anodic coating at least 0.0002 in thick. Exposed nuts and washers need not be given as anodic coating.
709.37 Aluminum Alloy Washers :
Aluminum alloy washers shall be made from sheet conforming to ASTM B209, Alclad 2024, temper condition T3 or T4 depending upon the thickness supplied.
709.38 : Blank
709.39 Aluminum Alloy Sand Castings :
Aluminum alloy sand castings shall conform to Table 658.4.3.
709.40 Aluminum Alloy Shim Material :
Aluminum alloy shims shall be made from sheet or plate conforming to ASTM B209, alloy 1100, temper condition 0.
709.41 Aluminum Filler Metal for Welding :
Aluminum filler metal for welding shall conform to ASTM B285, alloy ER 4043. 709.4 2 through 709.44 : Blank
709.45 Galvanized Steel Guardrail Posts :
Steel guardrail posts shall be fabricated from steel meeting the requirements of ASTM A36 or fabricated in accordance with ASTM A769, Grade 40. They shall be of a section, length and weight as specified on the Plans. The weight shall not be less than 97.5 percent (97.5%) of that specified. Galvanizing shall be in accordance with AASHTO M 111, with a minimum of 2 oz. per square foot. 811 709.46 -STEEL POSTS, POST BRACES AND GATE FRAMES FOR RIGHT -OF-WAY FENCE : Unless otherwise specified, all right -of-way fence posts, post braces and grate frames shall meet the requirements of AASHTO M 181. Either Grade 1 or Grade 2 may be used unless one is specifically called for in the contract. Pipe members shall have the dimensions and weights called for on the plans. Studded tee posts used as line posts for farm -field fence shall conform to the requirements of either AASHTO M 281 / ASTM A702 or ASTM A499 and coated to meet the requirements of AASHTO M 111 unless otherwise directed on project plans.
709.47 : Blank
709.48 Cadmium Coated Materials :
Cadmium coated (electrodeposited) steel articles, steel hardware, nuts, bolts, etc. shall meet the requirements of ASTM B766.
709.49 Sheet Lead :
Sheet lead shall conform to the requirements of ASTM B29.
709.50 Steel Pile Points :
Steel pile points may be either ASTM A27 Grade 65/35 cast steel or ASTM A148 Grade 90/60. Pile points will be approved by the Materials Control, Soil and Testing Division.
709.51 Surface Mount Sign Support Brea Kaway Devices :
Surface Mount Sign Support Breakaway Devices shall be designed for use with 2 -lb/ft and/or 3 -lb/ft u -channel supports shown on Standard Details Book Volume II (Standard Deta ils) sheets TE1 -7A and TE1 -7B, and/or 2” x 14 -gauge Square Tube Supports as described in Section 657. The purpose of the device shall be to create an omni -directional breakaway, low maintenance support installation on asphalt and concrete surfaces which do es not require any portion of the support to be installed below grade. The device shall be designed for use with one or more of the support types/sizes specified above. Differences in the dimensioning of components used with each type/size support is permi ssible. The device shall be designed and tested to meet the following requirements:
i.Withstand loading which meets or exceeds that which will be generated based on the Support Size Selection Chart on Sheet TE1 -7A, as well as cyclical loading, without failure. ii. Shall be compatible with one or more of the u -channel supports listed on the Div ision Approved Products List (APL) for U -Channel Posts, and/or square tube support which meet the requirements of Section 709.55. iii. Shall be designed to be surface mounted on both asphalt and concrete surfaces of nominal minimum thickness. Concrete foundatio ns shall not be required. iv. Components shall be manufactured using aluminum, stainless steel, galvanized steel, exterior grade epoxy coated steel, or similar material exhibiting weather resistance equal to or greater than those described.
v.Shall not require modification of the support for installation. vi. Shall be designed to be anchored to the surface and shall not require saw cutting, jackhammering, etc. of the asphalt or concrete.
Source: West Virginia Standard Specifications for Road and Bridge Construction, 2023 Edition. Pages 832–833 of 1,006.