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REPORT ON INSPECTION OF
TUMBI· CREEK
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WVONG SHIRE COUNCIL,
REPORT ON RECENT SCOURING OF TUMBI CREEK
MARCH 1992
vvrONG SHIRE building a better tomorrow!
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• TUMBI CREEK - INDEX
• Page No.
1 Overa 11 Locality Map
• 2 Site 1 & 2
3 Si te 3 & 4
• 4 Site 5
5 Site 6A & B
• 6 Sites 1 - 68 Detail Map
Al Appendix A - Estimates Tumbi Creek Restoration
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• - 1 -
Overall Locality Map
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Site 1 - Photo 1
Scour 8 metres long, 2. 5 metres high and 2 metres deep. Undercutting root system of trees .
Site 2 - Photo 2
Viewing creek downstream. Extensive scouring on both banks .
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Site 3 - Photo 3
Photo indicating fallen tree reaching from bank to bank, restricting water flow.
Site 4 - Photo 4
Small scour 3 metres long, 2 metres high and 1.5 metres deep, between 2 trees.
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• Site 5 - Photo 5
Large scour 6 metres long, 2 metres high and 2 metres deep.
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Site 6 - Photo 6A & B
Tree undercut, across bank restricting flow, causing flow to scour beind root base.
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APPENDIX A. •
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APPENDIX "A" .. TUMBI CREEK RESTORATION
ESTIMATES
WORK ESTIMATED PRIORITY SITE REQUIRED ITEM COST
\ • 1 Construction of gabion wall 10m @ $l335/m $l3350 Medium (2m high) on mattress base. Fill behind and restoration. $ 2000
• 2 Construction of gabion wall 40m @ $2310/m $92400 Medium (1.5m high) on mattress base to both banks. Fill behind and restoration. $ 8000
• 3 Removal of tree from bank. $4000 Medium
4 Minor restoration. $2000 Medium
• 5 Construction of gabion wall 10m @ $1155/m $11550 Medium (1.5m high) on mattress base. Fill behind and restoration. $ 4000
• 6 Removal of large tree and restoration. $BOOO
ASSUMED ALL CROWN LAND - TOTAL COST $145300
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