appendix 12 - bhkcstormwater.com.au€¦ · bh6 debra ct to marion rd 15865 15760 105 9.9 10.2...
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Stormwater Management Plan 2016 Appendices
APPENDIX 12
Existing characteristics of lower Brown Hill Creek
Segment Location Chainage* Segment
Length
Invert *
(mAHD) Channel Description
Channel
Depth* Grade
Current
Capacity*
Manning's
Roughness*
Reserve
Width
Vegetation
Description Planning Zone
Land
Ownership
Care and
Custody
DS US M DS US m % m3/s m
BH1
Keswick Creek
Confluence to
Watson Ave/
Beare Ave
16860 16450 410 4.9 6.9 Concrete lined channel, 3 m
base , 1 in 1.5 batters 2 0.48 40 0.014 Airport Land
No vegetation
within creek Airport
Federal
Government
(Leased to
Adelaide
Airport Ltd)
SA
Water
BH2 Watson Ave
Bridge 16450 16440 10 6.9 7.1
Vehicle bridge over concrete
lined channel 2 5.00 20 0.014 N/A N/A
Airport/
Residential CWT
SA
Water
BH3 Watson Ave to
Harvey Ave 16440 16035 405 7.1 9
Concrete lined channel, 2m
wide base, 1:1.1 batters 2 0.48 20 0.014 10m
Some trees
overhanging
channel
Residential/Small
Section Private CWT
SA
Water
BH4 Harvey Ave Bridge 16035 16025 10 9.1 9.2 Vehicle bridge over concrete
lined channel 2.1 1.67 25 0.014 N/A N/A Residential CWT
SA
Water
Segment Location Chainage* Segment
Length
Invert *
(mAHD)
Channel Description Channel
Depth*
Grade Current
Capacity*
Manning's
Roughness*
Reserve Width Vegetation Description Planning
Zone
Land
Ownership
Care and
Custody
DS US m DS US
m % m3/s
m
BH5 Parallel to Debra Ct 16025 15865 160 9.2 9.9 Concrete-lined channel,
1.8m wide base, 1:1 batters 2 0.44 25 0.014 10
NE side lined with pine
trees. Residential CWT SA Water
BH6 Debra Ct to Marion
Rd 15865 15760 105 9.9 10.2
Concrete-lined channel,
1.8m wide base, 1:1 batters 2.3 0.30 35 0.014 10
Some vegetation on
northern side of
channel.
Residential CWT SA Water
BH7 Marion Rd Bridge 15760 15740 20 10.2 10.4 Vehicle bridge over
concrete lined channel 1.7 2.50 15 0.014 N/A N/A Residential CWT DPTI
BH8 Concrete Channel US
of Marion Rd 15740 15575 165 10.4 11.1
Concrete-lined channel,
1.9m wide base, 1:1 batters 2 0.42 15 0.014 12m
Minimal within
channel reserve, some
overhanging trees.
Residential CWT SA Water
BH9 End of Concrete to
Packard St 15575 15415 160 11.1 11.6
Rock-lined base 3.2m wide,
1:1 earth/rock/retaining
wall batters
2.2 0.31 20 0.045 base,
0.07 sides 12m Some smaller trees Residential CWT CWT
BH10 Packard St Bridge 15415 15413 2 11.6 11.6 Pedestrian bridge over
earth/rock channel 2.1 0.00 15
0.045 base,
0.08 sides N/A N/A Residential CWT CWT
Segment Location Chainage* Segment
Length
Invert *
(mAHD)
Channel Description Channel
Depth*
Grade Current
Capacity*
Manning's
Roughness*
Reserve
Width
Vegetation Description Planning
Zone
Land
Ownership
Care and
Custody
DS US m DS US
m % m3/s
m
BH11 Packard St to
Birdwood Tce 15413 15200 213 11.6 12.8
Rock-lined base 1.6m wide,
1:2.5 earth/rock batters 2.5 0.56 15
0.045 base,
0.08 sides 12m
2 significant trees. Some
areas of dense vegetation. Residential CWT CWT
BH12 Birdwood Tce Bridge 15200 15180 20 12.8 12.9 2 x 3.6m wide x 2.22m high
culverts - 0.53 30 0.014 N/A N/A Residential CWT CWT
BH13 Birdwood Tce to
Gray St 15180 15005 175 13.1 13.9
Rock-lined base 5m wide,
1:2 earth/rock batters 3 0.45 35
0.045 base,
0.06 sides 12.5m
Some areas of dense
vegetation. Residential CWT CWT
BH14 Gray St Bridge 15005 15000 5 13.9 14 Pedestrian bridge over
earth/rock channel 3 2.00 40
0.045 base,
0.06 sides N/A N/A Residential CWT CWT
BH15 Gray St to Private
Property 15000 14940 60 14 13.8
Rock-lined base 2m wide,
1:1 earth batters 3.5 -0.35 25
0.045 base,
0.12 sides 12 Moderately vegetated Residential CWT CWT
BH16 Parallel to Daly St
(Private Property) 14940 14860 80 13.8 14.45
Rock-lined base 2.5m wide,
1:0.6 earth batters 3 0.81 20 0.06 0
Moderately vegetated
(exotic), 3 significant trees Residential CWT CWT
Segment Location Chainage* Segment
Length
Invert *
(mAHD)
Channel Description Channel
Depth*
Grade Current
Capacity*
Manning's
Roughness*
Reserve
Width
Vegetation Description Planning
Zone
Land
Ownership
Care and
Custody
DS US m DS US
m % m3/s
m
BH17 Private Property to
Daly St 14860 14740 120 14.45 15.4
Rock-lined base 2m wide,
1:1.5 earth/rock batters 3 0.88 20
0.045 base,
0.08 sides
12.5 East-
West Section,
28 North-
South Section
Vegetation on banks Residential Private
(Various) CWT
BH18 Daly St Bridge 14740 14730 10 15.4 15.5 Corrugated domed tunnel
2.3m high 3.7m wide - 1.00 20
0.045 base,
0.08 sides N/A N/A Residential CWT CWT
BH19 Grassmere Reserve 14730 14500 230 15.5 16.7
4.5m wide earth/ rock-lined
base width, 1:2.5 earth
batters
3 0.53 15 0.045 base,
0.06 sides
34m
(excluding
road reserve)
10 significant trees.
Heavily vegetated in
channel and Council
reserve.
Residential CWT CWT
BH20 Warwick Ave Bridge 14500 14495 5 16.7 16.7 Pedestrian bridge over
earth/rock channel 2.8 0.00 35
0.045 base,
0.06 sides N/A N/A Residential CWT CWT
BH21 Warwick Ave to
Concrete Lining 14495 14220 275 16.7 18.1
Rock-lined base 3.5m wide,
1:1.5 earth/rock batters 3.3 0.50 20
0.045 base,
0.08 sides 12
1 significant tree. Areas
of dense vegetation on
creek banks.
Residential CWT CWT
BH22 Start of Concrete to
Beauchamp St 14220 14140 80 18.1 18
Concrete/rock base 1m
wide, 1:1 concrete batters 4.3 -0.13 >40
0.02 base,
0.018 sides 12
Some vegetation in
creek reserve Residential CWT CWT
Segment Location Chainage* Segment
Length
Invert *
(mAHD)
Channel Description Channel
Depth*
Grade Current
Capacity*
Manning's
Roughness*
Reserve Width Vegetation Description Planning
Zone
Land
Ownership
Care and
Custody
DS US m DS US
m % m3/s
m
BH23 Beauchamp St
Footbridge 14140 14138 2 18 18
Pedestrian bridge over
concrete channel, some local
rocks
Unknown 0.00 N/A 0.02 base,
0.018 sides N/A N/A Residential CWT CWT
BH24 Beauchamp St
to South Rd 14138 14000 138 18 20.8
Concrete/rock base 1m
wide, 1:1.5 concrete batters 3.2 3.73 40
0.02 base,
0.018 sides 12 Sparse vegetation Residential CWT CWT
BH25 South Rd
Bridge 14000 13945 55 20.8 21.1
2 x 4.2m wide x 2.44m high
culverts - 0.56 40 0.015 12 N/A Residential CWT DPTI
BH26 South Rd to
Farnham Rd 13945 13700 245 21.1 22.6
3.5m wide earth base,
mostly 1:1 earth batters.
Some retaining walls.
2.9 0.51 25 0.045 base,
0.08 sides 12
5 significant trees.
Relatively dense
vegetation, some large
trees rooted in banks.
Residential CWT CWT
BH27 Farnham Rd
Bridge 13700 13690 10 22.6 22.8
4.6m wide x 2.53 high
culvert - 5.00 25
0.045 base,
0.08 sides N/A N/A Residential CWT CWT
BH28 Farnham Rd
to Anzac Hwy 13690 13550 140 22.8 23.2
4m wide earth/rock channel,
1:0.7 batters. Some retaining
walls.
2.6 0.29 20 0.045 base,
0.08 sides
12 (except short
wider section
adj Farnham Rd)
Relatively dense
vegetation, some large
trees rooted in banks.
Residential CWT CWT