Base Engineering Assessment Program Stormwater Systems

Glossary ii

1Stormwater Systems 1

1.1Overview 1

1.3Data Collection 3

2Stormwater Network Assessment 5

2.1Description 5

2.2Data Collection 5

2.3Capacity Assessment 6

2.4Condition Assessment 6

2.5Compliance Assessment 9

3Flood Immunity 11

3.1Description 11

3.2Data Collection 11

3.3Capacity Assessment 11

3.4Condition Assessment 11

3.5Compliance Assessment 12

4Water Quality 13

4.1Description 13

4.2Data Collection 13

4.3Capacity Assessment 13

4.4Condition Assessment 14

4.5Compliance Assessment 15

Table 1.1Engineering Service assessment parameters 2

Table 1.1Defence Clauses for Function Design Briefs 6

Table 1.1Structural condition for pits, headwalls, tidal flaps and GPTs 8

Table 1.2Serviceability condition for pits, headwalls, tidal flaps and GPTs 8

Table 1.1Structural condition for open channels 9

Table 1.2Serviceability condition for open channels 9

Table 1.1Serviceability condition for flow paths 12

Table 1.1Defence Clauses for Function Design Briefs 12

Table 1.2Melbourne water hazard classes and criteria 12

Table 1.1Structural condition - water quality improvement devices 14

Table 1.2Serviceability condition – water quality improvement devices 14

Appendix A Stormwater Data Required Checklists

Appendix B Stormwater Master Spreadsheet – Refer Electronic File

Appendix C STANDARD ASSET LIFE – STORMWATER ASSETS

Appendix D Stormwater Data Collection Forms – Refer Separate Electronic Files

Appendix E Stormwater system QUESTIONNAIRE