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.� Supplementary Cementitious Materials.

4109.� Aggregate Gradations.

4110.� Fine Aggregate for Portland Cement Concrete.

4111.� Class L Fine Aggregate for Portland Cement Concrete.

4112.� Intermediate Aggregate for Portland Cement Concrete.

4118.� Pipe Bedding Material.

4119.� Pipe Backfill Material Under Interstate and Primary Roadways.

4115.� Coarse Aggregate for PC Concrete.

4117.� Class V Aggregate for Portland Cement Concrete.

4120.� Granular Surfacing and Granular Shoulder Aggregate.

4121.� Granular Subbase Material.

4122.� Crushed Stone Base Material.

4123.� Modified Subbase Material.

4124.� Aggregate for Slurry Mixtures.

4125.� Aggregate for Bituminous Sealcoat.

4127.� Aggregate for Hot Mix Asphalt.

4130.� Revetment Stone, Erosion Stone, and Gabion Stone.

4131.� Porous Backfill Material.

4132.� Special Backfill Material.

4133.� Granular Backfill Material.

4134.� Floodable Backfill Material.

4136.� Joint Fillers, Sealers, and Seals.

4137.� Asphalt Binder.

4138.� Cutback 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.

4147.� Pipe and Manhole Rehabilitation Materials.

4148.� Drain Tiles.

4149.� Sanitary and Storm Sewer Pipes and Structure Materials.

4150.� Water Main, Valve, Fire Hydrant, and Appurtenance 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 Sign 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.