Appendix F: Flood Difference Modelling Maps
RM190876 and ors-TDC Engineering Services-Pōhara Drainage Improvements-Resource consent application-page 142 of 266
BOYLE ST
CLIFTON CK ELLIS CK
ELLISCK
BARTLETT CK
KOHIKIKO PL
EASTERN DRAIN SELWYN ST
ABEL TASMAN DR
2D STUDY AREA EXENT TENNYSON ST
WATINO PL
SANDRIDGE TCE
BAY VISTA DR
POHUTUKAWA PL RICHM
OND RD SELWYN ST
LEGEND
Modelled Watercourses Property Boundary Modelled Flood Depth (m)
0 - 0.1 0.1- 0.3 0.3 - 0.5 0.5 - 1.0 1.0 -1.5
> 1.5
! Figure 1A TASMAN DISTRICT COUNCIL
1POHARA STORMWATER OPTIONS ASSESSMENT TDC IMPROVEMENTS
Existing Situation with 1% AEP Modelled Flood Depths Location Plan
1:7,000 871018.3000
Figure 1A.mxd
EMCF Oct.19 1) Aerial photograph sourced from Top of the South Maps and licensed by LINZ
for re-use under the Creative Commons Attribution 3.0 NZ License (CC by 3.0 NZ).
2) Modelling based on 2011 LiDAR data supplied by Tasman District Council.
Lucas House, 51 Halifax Street, Nelson Notes:
www.tonkintaylor.co.nz
SCALE (AT A3 SIZE) PROJECT No.
ARCFILE DRAWN CHECKED APPROVED
FIGURE No. Rev.
0 75 150A3 SCALE 1:7,000225 300 375 Meters
Path: P:\871018\871018.3000\WorkingMaterial\GIS\FIGURES\Pre Flood Levels\Figure 1A.mxd Date: 14/10/2019 Time: 11:19:16 a.m. RM190876 and ors-TDC Engineering Services-Pōhara Drainage Improvements-Resource consent application-page 143 of 266
CLIFTON CK
ELLIS CK
SELWYN ST Upgrade Boyle St culvert 4 m by 1.2 m
56 54 60
62
64
77 65 80
89 93
94
65A
50
59B
59A 84
87 85
83
42 48
61 53 63
72 66
73 78
82 82A
56A
46 52
67 68
69 74 70
76 88
90
95 97
81 44
55 71 59
79 75 91
92
59C
LEGEND
Modelled Watercourses Property Boundary Modelled Flood Depth (m)
0 - 0.1 0.1- 0.3 0.3 - 0.5 0.5 - 1.0 1.0 -1.5
> 1.5
! Figure 2A TASMAN DISTRICT COUNCIL 1
POHARA STORMWATER OPTIONS ASSESSMENT TDC IMPROVEMENTS
Existing Situation with 1% AEP Modelled Flood Depths Location Plan
1:1,330 871018.3000
Figure2.mxd
EMCF Oct.19 1) Aerial photograph sourced from Top of the South Maps and licensed by LINZ
for re-use under the Creative Commons Attribution 3.0 NZ License (CC by 3.0 NZ).
2) Modelling based on 2011 LiDAR data supplied by Tasman District Council.
Lucas House, 51 Halifax Street, Nelson Notes:
www.tonkintaylor.co.nz
SCALE (AT A3 SIZE) PROJECT No.
ARCFILE DRAWN CHECKED APPROVED
FIGURE No. Rev.
0 A3 SCALE 1:1,33010 20 30 40 50 Meters
Path: P:\871018\871018.3000\WorkingMaterial\GIS\FIGURES\Pre Flood Levels\Figure 2A.mxd Date: 14/10/2019 Time: 11:23:58 a.m. RM190876 and ors-TDC Engineering Services-Pōhara Drainage Improvements-Resource consent application-page 144 of 266
ELLISCK
56 54 60
62
65
65A 51
718 15 13
27 21 31
50 35
59A
11
17 39
42 48
49
61 53
63 33B
56A
45
29 25 40
41
46 52
67
33 33A 44
37 43
47
55 59
19 23
LEGEND
Modelled Watercourses Property Boundary Modelled Flood Depth (m)
0 - 0.1 0.1- 0.3 0.3 - 0.5 0.5 - 1.0 1.0 -1.5
> 1.5
! Figure 3A TASMAN DISTRICT COUNCIL 1
POHARA STORMWATER OPTIONS ASSESSMENT TDC IMPROVEMENTS
Existing Situation with 1% AEP Modelled Flood Depths Location Plan
1:1,230 871018.3000
Figure2.mxd
EMCF Oct.19 1) Aerial photograph sourced from Top of the South Maps and licensed by LINZ
for re-use under the Creative Commons Attribution 3.0 NZ License (CC by 3.0 NZ).
2) Modelling based on 2011 LiDAR data supplied by Tasman District Council.
Lucas House, 51 Halifax Street, Nelson Notes:
www.tonkintaylor.co.nz
SCALE (AT A3 SIZE) PROJECT No.
ARCFILE DRAWN CHECKED APPROVED
FIGURE No. Rev.
0 A3 SCALE 1:1,23010 20 30 40 50 Meters
Path: P:\871018\871018.3000\WorkingMaterial\GIS\FIGURES\Pre Flood Levels\Figure 3A.mxd Date: 14/10/2019 Time: 11:27:41 a.m. RM190876 and ors-TDC Engineering Services-Pōhara Drainage Improvements-Resource consent application-page 145 of 266
BARTLETT CK
KOHIKIKO PL
EASTERN DRAIN TENNYSON ST
LEGEND
Modelled Watercourses Property Boundary Modelled Flood Depth (m)
0 - 0.1 0.1- 0.3 0.3 - 0.5 0.5 - 1.0 1.0 -1.5
> 1.5
! Figure 4A TASMAN DISTRICT COUNCIL 0
POHARA STORMWATER OPTIONS ASSESSMENT TDC IMPROVEMENTS
Existing Situation with 1% AEP Modelled Flood Depths Location Plan
1:1,750 871018.3000
Figure 4A.mxd
EMCF Oct.19 1) Aerial photograph sourced from Top of the South Maps and licensed by LINZ
for re-use under the Creative Commons Attribution 3.0 NZ License (CC by 3.0 NZ).
2) Modelling based on 2011 LiDAR data supplied by Tasman District Council.
Lucas House, 51 Halifax Street, Nelson Notes:
www.tonkintaylor.co.nz
SCALE (AT A3 SIZE) PROJECT No.
ARCFILE DRAWN CHECKED APPROVED
FIGURE No. Rev.
0 10 20 30 40 50 Meters
A3 SCALE 1:1,750
Path: P:\871018\871018.3000\WorkingMaterial\GIS\FIGURES\Pre Flood Levels\Figure 4A.mxd Date: 14/10/2019 Time: 11:29:50 a.m. RM190876 and ors-TDC Engineering Services-Pōhara Drainage Improvements-Resource consent application-page 146 of 266
BOYLE ST
CLIFTON CK ELLIS CK
ELLISCK
BARTLETT CK
KOHIKIKO PL
EASTERN DRAIN SELWYN ST
ABEL TASMAN DR
Existing Dam
2D STUDY AREA EXENT Proposed Stopbank
Widening of confluence
Upgrade Boyle St 2x 1200 mm dia culvert pipes
TENNYSON ST
WATINO PL
SANDRIDGE TCE
BAY VISTA DR
POHUTUKAWA PL RICHM
OND RD Proposed Stopbank
Upgrade culvert to 4 m by 1.3 m SELWYN ST
Replace existing 900 mm dia culvert with 2x 1350 mm dia culvert pipes
Removal of soil stockpile orginally extracted from Creek after 2011 storm
Proposed infill of low point
LEGEND
Modelled Watercourses Proposed Stopbank Property Boundary Modelled Flood Depth (m)
0 - 0.1 0.1- 0.3 0.3 - 0.5 0.5 - 1.0 1.0 -1.5
> 1.5
! Figure 1B. TASMAN DISTRICT COUNCIL
1POHARA STORMWATER OPTIONS ASSESSMENT TDC IMPROVEMENTS
Post Improvements 1% AEP Modelled Flood Depths Location Plan
1:7,000 871018.3000
Figure1B.mxd
EMCF Oct.19 1) Aerial photograph sourced from Top of the South Maps and licensed by LINZ
for re-use under the Creative Commons Attribution 3.0 NZ License (CC by 3.0 NZ).
2) Modelling based on 2011 LiDAR data supplied by Tasman District Council.
Lucas House, 51 Halifax Street, Nelson Notes:
www.tonkintaylor.co.nz
SCALE (AT A3 SIZE) PROJECT No.
ARCFILE DRAWN CHECKED APPROVED
FIGURE No. Rev.
0 75 150A3 SCALE 1:7,000225 300 375 Meters
Path: P:\871018\871018.3000\WorkingMaterial\GIS\FIGURES\Post Flood Levels\Figure1B.mxd Date: 14/10/2019 Time: 2:40:42 p.m. RM190876 and ors-TDC Engineering Services-Pōhara Drainage Improvements-Resource consent application-page 147 of 266
CLIFTON CK
ELLIS CK
SELWYN ST Upgrade Boyle St culvert 4 m by 1.2 m
56 54 60
62
64
77 65 80
89 93
94
65A
50
59B
59A 84
87 85
83
42 48
61 53 63
72 66
73 78
82 82A
56A
46 52
67 68
69 74 70
76 88
90
95 97
81 44
55 71 59
79 75 91
92
59C
LEGEND
Modelled Watercourses Proposed Stopbank Property Boundary Modelled Flood Depth (m)
0 - 0.1 0.1- 0.3 0.3 - 0.5 0.5 - 1.0 1.0 -1.5
> 1.5
! Figure 2B TASMAN DISTRICT COUNCIL 1
POHARA STORMWATER OPTIONS ASSESSMENT TDC IMPROVEMENTS
Post Improvments 1% AEP Modelled Flood Depths Location Plan
1:1,330 871018.3000
Figure2.mxd
EMCF Oct.19 1) Aerial photograph sourced from Top of the South Maps and licensed by LINZ
for re-use under the Creative Commons Attribution 3.0 NZ License (CC by 3.0 NZ).
2) Modelling based on 2011 LiDAR data supplied by Tasman District Council.
Lucas House, 51 Halifax Street, Nelson Notes:
www.tonkintaylor.co.nz
SCALE (AT A3 SIZE) PROJECT No.
ARCFILE DRAWN CHECKED APPROVED
FIGURE No. Rev.
0 A3 SCALE 1:1,33010 20 30 40 50 Meters
Path: P:\871018\871018.3000\WorkingMaterial\GIS\FIGURES\Post Flood Levels\Figure 2B.mxd Date: 14/10/2019 Time: 2:41:37 p.m.
Drain points to be installed to remove local flooding.
Widening of confluence
Low point on access road to be raised
RM190876 and ors-TDC Engineering Services-Pōhara Drainage Improvements-Resource consent application-page 148 of 266
ELLISCK
56 54 60
62
65
65A 51
718 15 13
27 21 31
50 35
59A
11
17 39
42 48
49
61 53
63 33B
56A
45
29 25 40
41
46 52
67
33 33A 44
37 43
47
55 59
19 23
LEGEND
Modelled Watercourses Proposed Stopbank Property Boundary Modelled Flood Depth (m)
0 - 0.1 0.1- 0.3 0.3 - 0.5 0.5 - 1.0 1.0 -1.5
> 1.5
! Figure 3B TASMAN DISTRICT COUNCIL 1
POHARA STORMWATER OPTIONS ASSESSMENT TDC IMPROVEMENTS
Post Improvements 1% AEP Modelled Flood Depths Location Plan
1:1,230 871018.3000
Figure2.mxd
EMCF Oct.19 1) Aerial photograph sourced from Top of the South Maps and licensed by LINZ
for re-use under the Creative Commons Attribution 3.0 NZ License (CC by 3.0 NZ).
2) Modelling based on 2011 LiDAR data supplied by Tasman District Council.
Lucas House, 51 Halifax Street, Nelson Notes:
www.tonkintaylor.co.nz
SCALE (AT A3 SIZE) PROJECT No.
ARCFILE DRAWN CHECKED APPROVED
FIGURE No. Rev.
0 A3 SCALE 1:1,23010 20 30 40 50 Meters
Path: P:\871018\871018.3000\WorkingMaterial\GIS\FIGURES\Post Flood Levels\Figure 3B.mxd Date: 16/10/2019 Time: 9:15:56 a.m.
Proposed Stopbank Low point on access
road to be raised
RM190876 and ors-TDC Engineering Services-Pōhara Drainage Improvements-Resource consent application-page 149 of 266
BARTLETT CK
KOHIKIKO PL
EASTERN DRAIN TENNYSON ST
Proposed Stopbank Proposed Stopbank
Proposed culvert upgrade
Proposed culvert upgrade LEGEND
Modelled Watercourses Proposed Stopbank Property Boundary Modelled Flood Depth (m)
0 - 0.1 0.1- 0.3 0.3 - 0.5 0.5 - 1.0 1.0 -1.5
> 1.5
! Figure 4B TASMAN DISTRICT COUNCIL 0
POHARA STORMWATER OPTIONS ASSESSMENT TDC IMPROVEMENTS
Post Improvements 1% AEP Modelled Flood Depths Location Plan
1:1,750 871018.3000
Figure 4B.mxd
EMCF Oct.19 1) Aerial photograph sourced from Top of the South Maps and licensed by LINZ
for re-use under the Creative Commons Attribution 3.0 NZ License (CC by 3.0 NZ).
2) Modelling based on 2011 LiDAR data supplied by Tasman District Council.
Lucas House, 51 Halifax Street, Nelson Notes:
www.tonkintaylor.co.nz
SCALE (AT A3 SIZE) PROJECT No.
ARCFILE DRAWN CHECKED APPROVED
FIGURE No. Rev.
0 10 20 30 40 50 Meters
A3 SCALE 1:1,750
Path: P:\871018\871018.3000\WorkingMaterial\GIS\FIGURES\Post Flood Levels\Figure 4B.mxd Date: 14/10/2019 Time: 2:45:24 p.m. RM190876 and ors-TDC Engineering Services-Pōhara Drainage Improvements-Resource consent application-page 150 of 266
