DIVISION 41. CONSTRUCTION MATERIALS

4100. General Provisions.
4101. Portland Cement.
4102. Water for Concrete and Mortar.
4103. Liquid Admixtures for Portland Cement Concrete.
4104. Burlap for Curing Concrete.
4105. Liquid Curing Compounds.
4106. Plastic Film and Insulating Covers for Curing Concrete.
4107. Plastic Film for Subgrade Treatment.
4108. Mineral Admixtures.
4109. Aggregate Gradations.
4110. Fine Aggregate for Concrete.
4115. Coarse Aggregate for Concrete.
4117. Class V Aggregate for Concrete.
4120. Granular Surfacing Material.
4121. Granular Subbase Material.
4122. Crushed Stone Base Material.
4123. Modified Subbase Material.
4125. Cover Aggregate and Aggregate for Slurry Mixtures.
4127. Type A Aggregate for Hot Mix Asphalt.
4130. Revetment Stone and Erosion Stone.
4131. Porous Backfill Material.
4132. Special Backfill Material.
4133. Granular Backfill Material.
4136. Joint Fillers and Sealers.
4137. Asphalt Binder.
4138. Cut-back and Liquid Asphalts.
4139. Liquid Sealing Materials for PCC Surfaces.
4140. Emulsified Asphalt.
4141. Corrugated Steel Culvert Pipe.
4143. Subdrain Pipe.
4144. Structural Plates for Pipe, Pipe Arches, and Arches.
4145. Concrete Culvert Pipe.
4146. Plastic Pipe.
4148. Drain Tiles.
4149. Sewer Intake and Utility Access Materials.
4151. Steel Reinforcement.
4152. Structural Steel.
4153. Miscellaneous Iron and Steel.
4154. Fence Materials.
4155. Guardrail.
4160. Wood Preservatives.
4161. Preservative Treatment.
4162. Untreated Timber and Lumber.
4163. Treated Timber and Lumber.
4164. Treated Wood Posts.
4165. Timber Piles.
4166. Concrete Piles.
4167. Steel Piles.
4169. Erosion Control Materials.
4170. Landscape Plant Materials.
4182. Paints for Steel Bridges and Structures.
4183. Traffic Paints and Pavement Markings.
4184. Reflectorizing Spheres for Traffic Paint.
4185. Highway Lighting Materials.
4186. Signing Materials.
4187. Materials for Support Structures.
4188. Traffic Control Devices.
4190. Nonferrous Metals.
4191. Keyway and Expansion Tubes.
4192. Caulking Compound.
4193. Hydrated Lime for Soil Stabilization.
4194. Calcium Chloride and Sodium Chloride.
4195. Bearing Pads.
4196. Engineering Fabrics.