STRUCTURAL STEEL SECTION 1039 689 4. ASTM A106, Grade B:
1/2-inch.
1039.9Metal Sheeting.
and ASTM A653 (structural steel (SS) excluding Grade 50 Class 3), with a coating designation of G165, and a minimum thickness of 20 gage. Coat fasteners, if used , by galvanizing according to ASTM A153 or ASTM B633, thickness class Fe/Zn 12.
Embrittlement test, Section 12 of ASTM B152 and ASTM B577. Make lapped joints by soldering or by riveting.
.
specifications. If the applicable material specifications do not include galvanizing, galvanize according to: AASHTO M111, AASHTO M232, ASTM B633, ASTM A392 Class 2 coating, or ASTM B695, as applicable.
with a lubricant containing a visible dye.
MASONRY UNITS SECTION 1040 690 SECTION 1040 — MASONRY UNITS
1040.1Clay or Shale Brick.
meeting ASTM C216. Brick must be new, whole brick of the best quality, uniform and dense structure, and free of lumps from lime, laminations, cracks, checks, soluble salt, or other defects that may impair the strength, durability, appearance, or usefulness for the purpose intended.
1040.2Concrete Brick.
1040.3Concrete Blocks.
specified, shape ends to interlock at vertical joints. Use solid blocks meeting requirements of ASTM C139 or C90, except that a maximum absorption value of 18 pounds per cubic foot for lightweight units, 15 pounds per cubic foot for medium weight units, and 13 pounds per cubic foot for normal weight units is acceptable. Use a minimum compressive strength of 2 ,000 PSI for units less than 5 inches in thickness. Use hollow blocks meeting ASTM C90. Comply with the dimensions specified. B For architectural segmental retaining walls, use rectangular or segmented block meeting the requirements of ASTM C1372.
1040.4Stone Masonry.
rounded, or weathered faces.
in color and free of defects. Ensure that the stone is of demonstrated satisfactory quality and of such character that it can be brought to plane or curved lines and surfaces.
1040.5Dimensional Stone.
WOOD SECTION 1041 691 SECTION 1041 — WOOD
1041.1Definitions.
includes nominal dimensioned boards ( 3/4-inch to 1 1/2-inch thick) and structural lumber (2 -4 inches thick).
trimmed.
1041.2Sawn Wood.
sawn or dressed) specified by the contract. If none is specified, provide southern yellow pine or Douglas fir, no. 1 grade or better, cut square and surfaced on 4 sides.
1041.3Structural Glued, Laminated Timber.
indicated by the contract, according to ANSI/AITC A -190.1. If the wood species is not specified, use kiln-dried Douglas fir or southern yellow pine.
a timber -laminating plant. The product consists of suitably selected and prepared wood laminations securely bonded together with wet use adhesives. Ensure th at the grain of all laminations is approximately parallel longitudinally and that the maximum net thickness for the separate laminations is 2 inches. Laminations may consist of pieces end joined to form any length, pieces placed or glued edge -to-edge to ma ke wider pieces, or pieces bent to a curved form during gluing.
1041.4Wood Treatment.
compliance with US Environmental Protection Agency pesticide registration requirements, and in accordance with AASHTO M133 and American Wood Protection Association (AWPA) standards, U1 and T1, and the following limitations. Do not use the preservatives interchangeably:
posts, gates, stair treads, and general applications with preservatives specified in AASHTO M133 or in accordance with AWPA standard U1: commodity specifications A (sawn products) or B
WOOD SECTION 1041 692 5. Treat lumber and timbers used for highway construction and maintenance applications for guardrail posts, offset blocks, bridge decking, structural glue laminated timbers, and composites with preservatives specified in AASHTO M133 or in accordance with AWPA standard U1: commodity specifications A (sawn products), F (wood composites) ; UC4B. For items that are immersed in salt or tidal salt water, use preserva tives specified in AWPA U1 Commodity Specification: (marine {salt water} applications) ; UC5C . With any wood preserva tive chemistry, always use fasteners or connectors with either 304 or 316 stainless -steel or hot -dipped galvanized, in accordance with the requirements of ASTM A153 or ASTM A653, Class G 185. Do not use mechanically galvanized steel. Washers and nuts should be of the same hot -dipped galvanized coa ting or stainless steel as the bolts.
azole (MCA) preservative wood for hand -contact surfaces such as handrails, playground equipment, and picnic tables as specified in AWPA U1 . With any wood preservative chemistry, always use fasteners or connectors with either 304 or 316 stainless -steel or hot -dipped galvanized, in accordance with the requirements of ASTM A153 or ASTM A653, Class G 185. Do not use mechanically galvanized steel .
of AWPA Standard T1.
composites). Mechanically incise Douglas fir in accordance with the lumber industry accepted practice before preservative treatment. Once treated, do not paint or allow the surface of the member to come into contact with human or animal skin.
or tag to identify the treater and the specification requirements to which the treatment conforms. The engineer will allow treated wood products bearing the quality mark of an ALCS accredited indepen dent third -party agency . The engineer may require the treated items not bearing the quality mark to be inspected at the job site to determine retention of preservatives and may extract and analyze the preservative to determine its quality.
AWPA standards. A treater participating in the ALSC Treated Wood Program and monitored by an approved inspection agency, or an independent commercial inspection agency approved by the engineer. The contractor may engage the inspection agency either directly or through the supplier.
compliance and inspection report. Identify the preservative used, the specification required, and the test results. Certificate of compliance must include the treate r or the qualified independent inspection agency signatures.
timbers or lumber products according to the requirements of the American Wood Protection Association Standard M4, “Standard for the Care of Preservati ve Treated Wood Products.”
1041.5Wood Connectors and Hardware.
WOOD SECTION 1041 693 B. Rods, plates, eyebars, and shapes. Meet Section 1039.
conform to the requirements of ASTM A307. Provide machine bolts with square heads and nuts, unless otherwise specified. Provide cut or round wire standard for m nails. Provide spikes that are cut or wire spikes, or boat spikes, as specified. Use nails, spikes, bolts, dowels, washers, rods, plates, and lag screws that are galvanized according to the requirements of AASHTO M232. For glulam timber, provide all stee l connections and all hardware for joining wood members to each other and to the substructure. Use galvanized mild steel AASHTO M270 hardware. With any wood preserva tive chemistry, always use fasteners or connectors with either 304 or 316 stainless -steel or hot -dipped galvanized, in accordance with the requirements of ASTM A153 or ASTM A653, Class G 185. Provide fasteners or connectors that will come into contact with wood treated with ACQ or CA wood preservative treatments made of either 304 or 316 stainle ss steel or hot -dipped galvanized steel that conforms to the requirements of AASHTO M232 or ASTM A653, Class G185.
only one type of fastener material.
JOINT/CRACK SEALANT MATERIAL SECTION 1042
694
1042.1Asphalt and PCC Pavements:
1042.2PCC Curb and Integral Curb, Medians, Sidewalks and Pedestrian Connections:
1042.3PCC Structures, General:
1042.4Bridge Deck Joints:
Provide galvanized steel conforming to ASTM D5973 and Section 1038
emulsion, factory coated with highway -grade fuel resistant silicone.