Full PDF of Division 4 (March 2024)
| Section # | Specification Name | Current Version | Previous Version |
| 400 | Index | 400 (March 2024) | 400 (March 2023) |
| 401 | Ditching for Streams | 401 (March 2022) | 401 (March 2011) |
| 402 | Permanent Relocation of Streams | 402 (March 2022) | 402 (March 2011) |
| 403 | Excavation for Foundation | 403 (March 2023) | 403 (March 2022) |
| 404 | Trenching and Excavation for Catch Basins and Storm Sewers | 404 (March 2022) | 404 (March 2011) |
| 405 | Temporary Diversion of Streams | 405 (March 2022) | 405 (March 2011) |
| 410 | Select Bedding for Storm Sewers, Sub-Drains and Catch Basins | 410 (March 2022) | 410 (March 2012) |
| 411 | Select Backfill for Long Span Structural Plate Structures | 411 (March 2024) | 411 (March 2023) |
| 420 | Supply and Installation of Pipe for Storm Sewers and Perforated Pipe for Sub-Drainage | 420 (March 2022) | 420 (March 2011) |
| 421 | Supply and Installation of Pipe Culverts | 421 (March 2024) | 421 (March 2023) |
| 422 | Saddle Branch Supply and Installation | 422 (March 2022) | 422 (March 2011) |
| 423 | Supply and Installation of Structural Plate Pipe | 423 (March 2024) | 423 (March 2023) |
| 424 | Supply and Installation of Structural Plate Arch | 424 (March 2024) | 424 (March 2023) |
| 425 | Timber Culvert Extension | 425 (March 2022) | 425 (March 2011) |
| 426 | Design, Supply, and Installation of Long Span Structural Plate Structures | 426 (March 2024) | 426 (March 2023) |
| 430 | Screen End Treatment for Corrugated Steel Pipe | 430 (March 2022) | 430 (March 2011) |
| 440 | Cleanout of Existing Culverts | 440 (March 2024) | N/A |
| 441 | Cleanout of Existing Storm Sewers, Catch Basins, Manholes and Ditch Inlets | 441 (March 2024) | N/A |
| 450 | Concrete Footings for Structural Plate Structures | 450 (March 2022) | 450 (March 2011) |
| 451 | Concrete Headwalls for Structural Plate Structures | 451 (March 2022) | N/A |
| 452 | Reinforced Concrete Slotted Weir Fish Baffles | 452 (March 2024) | 452 (March 2022) |
| 460 | Concrete Plugs for Storm Sewers | 460 (March 2022) | 460 (March 2011) |
| 461 | Concrete Collars at Culvert Extension | 461 (March 2022) | 461 (March 2011) |
| 470 | Construction and Adjustment of Manholes, Catch Basins, and Ditch Inlets | 470 (March 2022) | 470 (March 2012) |
| 475 | Adjustment of Water Valve Box | 475 (March 2022) | 475 (March 2011) |
| 480 | Installation of Concrete Curb and Gutter | 480 (March 2022) | 480 (March 2012) |
| 481 | Rock Embedded Concrete Gutter | Deleted | 481 (March 2012) |
| 485 | Installation of Asphalt Curb | 485 (March 2022) | 485 (March 2011) |
| 486 | Installation of Asphalt Gutter | 486 (March 2022) | 486 (March 2011) |