Drainage Manual Revisions
Revised: August 8, 2023| Revision Number | Description | Revision Date |
|---|---|---|
| 12-01 | Revision to the Drainage Manual to Comply with the 2012 Construction General Permit: Chapters 1, 2, 3, 6, 7, 10, & 11 | 08/21/2012 |
| 13-01 | Chapter 6 - Section 6.05.3 – Revised Figure 6-11 to more clearly show location of overtopping. Table 6A-1 – Add HDPE Pipe to Longitudinal storm drains up to 16 feet of fill for Arterial and Collectors, removed SRTRP from Arterials. Figure 6A-3: Removed SRTRP from option list |
05/28/2013 |
| 13-02 | Chapter 6 - Tables 6A-2, 6A-3, 6A-4, 6A-5 were revised to remove concrete and steel quantities to match revisions done to the drawings D-PE-18A through D-PE-48A and the D-SEW drawings. These walls will now be paid on a per each basis. Chapter 7 - Section 7.03.5.4 was revised to include spring drain boxes. Sections 7.03.5.4.1 and 7.03.5.4.2 was added Table 7-7 in section 7.03.5.4.2 was added and subsequent tables were renumbered. Chapter 10 - Section 10.05.3.4 was revised to add average slope of the drainage area at the outfall to the data required to show on the EPSC Plans. |
09/13/2013 |
| 14-01 | Chapter 6 - Table 6A-1 was revised to add Polypropylene Pipe. Tables 6A-3 through 6A-5 were updated to reflect the changes made to Table 6A-1 | 01/29/2014 |
| 16-01 | Chapter 6 - Table 6A-1 was revised to add Polypropylene Pipe (PP) as an alternate to High-density Polyethylene Pipe (HDPE) for all cases where HDPE is applicaple and to increase the maximum diameter PP to 60". | 06/15/2016 |
| 19-01 | Chapter 6 (Appendix) - Tables 6A-1, 6A-2, 6A-3, 6A-4, and 6A-5 revised to restore revisions made in revisions 13-01, 13-02, and 14-01. | 06/19/2019 |
| 20-01 | Chapter 6 of the Design Division Drainage Manual has been updated to show the allowable use of polypropylene pipe (PP). | 08/19/2020 |
| 21-01 | Chapter 10 of the Design Division Drainage Manual has been updated to show the allowable use of hydraulic erosion control products (HECP). | 11/08/2021 |
| 23-01 | Chapter 10 of the Design Division Drainage Manual has been updated to reflect updates to TDEC’s Construction General Permit (CGP). | 07/06/2023 |
| 23-02 | Revision to Chapter 7 of the Design Division Drainage Manual | 08/07/2023 |
This Page Last Updated: August 8, 2023 at 9:20 AM