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.

4115.  Coarse Aggregate for PC Concrete.

4117.  Class V Aggregate for Portland Cement Concrete.

4118.  Bedding Material for Non-Primary Road Projects.

4119.  Bedding and Backfill Material for Interstate and Primary Road Projects.

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 Flexible Paving Mixtures.

4128.  Stabilization (Foundation) Material

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.

4171.  Detectable Warnings.

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.

4189.  Traffic Signal Equipment.

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.