Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 76 Looking south from Baglan Dunes towards northern end of Aberavon revetment
Plate 77 Looking north from Baglan Burrows (eroding) towards the mouth of the River Neath
51 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 78 Neath Estuary (Google Earth Pro, 2009)
Plate 79 River channel training walls at the mouth of the River Neath (Futurecoast)
52 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 80 The mouth of the River Neath looking seawards
Plate 81 Brunel Quays looking north towards the M4 bridge
53 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 82 Looking west across the River Neath towards Baglan Power Station
Crymlyn Burrows
Figure 12 Crymlyn Burrows (Crown copyright, Licence No. 100023377, 2009)
The following coastal defences presently exist along this frontage:
Defence Location Length Existing Defence Crest NAI Residual Maintenance Code (km) Types Level Life (Yrs) Resp. (mODN) W.83.4103 Jersey Marine Beach 20.5 Dunes N/A N/A Private W.83.4101 Jersey Marine 1.07 No defences +8.9 <20 Private W.84.5300 BP Tank Farm 0.56 Seawall/Revetment +9.0 <20 ABP
54 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 83 Crymlyn Burrows looking north
Plate 84 Crymlyn Burrows looking west
55 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 85 Revetment along former BP Tank Farm
Plate 86 Swansea Docks to the River Neath (Google Earth Pro, 2009)
56 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Swansea (Swansea Docks to Mumbles Head)
Figure 13 Swansea (Crown copyright, Licence No. 100023377, 2009)
The following coastal defences presently exist along this frontage:
Defence Location Length Existing Defence Crest NAI Maintenance Code (km) Types Level Residual Resp. (mODN) Life (Yrs) W.84.5290 Swansea Queens Dock 2.4 Revetment No info <20 ABP W.84.5286 Swansea East Breakwater 0.4 Breakwater N/A No info ABP W.84.5283 R. Tawe Sch 4 Bdy 0.2 N/A N/A N/A N/A W.84.5280 Swansea West Pier 0.56 Breakwater N/A No info ABP W.84.5277 South Dock Dunes 0.5 Dunes +10.5 N/A No info W.84.5275 South Dock Marina 0.53 Seawall +9.5 20-50 CCS No info Marriott old seawall 0.12 Seawall +9.5 <20 CCS W.84.5273 Swansea County Hall 0.7 Revetment +9.5 20-50 CCS W.84.5270 St Helens/Oystermouth Rd 0.9 Seawall +8.5 20-50 CCS W.84.5264 Brynmill 1.05 Revetment +8.5 20-50 CCS
57 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
W.84.5262 Singleton Park Access 0.02 Seawall +8.9 20-50 CCS W.84.5260 Sketty Golf Course 0.6 Dunes N/A N/A CCS No info Sketty Golf Course 0.6 Concrete Revet No info 20-50 CCS W.84.5875 Black Pill Area 0.2 Concrete blocks +7.0 20-50 CCS W.84.5255 Black Pill Area 0.2 Sheet pile +7.0 20-50 CCS No info West Cross to Blackpill 0.6 Revetment/ none +7.0 <20 CCS No info West Cross 0.7 Revetment +6.7 <20 CCS W.84.5250 Norton revetment (just past 0.5 Revetment +6.7 20-50 CCS ice-cream parlour) W.84.5247 Oystermouth Castle Area 0.4 Seawall +6.1 <20 CCS W.84.5245 The Mumbles 0.7 Revetment +5.8 <20 CCS W.84.5870 Knab Rock - reinforced 0.75 Seawall/ toe rock +6.6 20-50 CCS earth armour W.84.5240 Knab Rock Slipway 0.05 Slipway +8.2 20-50 CCS W.84.5237 Mumbles Cutting 0.4 Revetment +8.2 <20 Private W.84.5233 Mumbles Pier 0.15 Seawall +9.0 20-50 Private W.84.5230 Mumbles Head 0.5 HRS N/A N/A No info
EAW is currently undertaking a pre-feasibility study at Swansea City Centre (NGR: SS 66236 92840) to reappraise coastal defences around Swansea Marina and the Sainsbury’s superstore area (2009- 2010).
Plate 87 Swansea Docks (RCAHMW)
58 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 88 Swansea Docks: Queens Dock revetment looking east
Plate 89 Port of Swansea Queens Dock revetment and East Breakwater
59 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 90 Tawe Barrage
Plate 91 Swansea Swansea Docks (Shoreline Management Partnership)
60 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 92 Swansea West Pier
Plate 93 South Dock Dunes
61 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 94 South Dock Marina seawall
Plate 95 Marriott old seawall from County Hall revetment
62 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 96 Swansea County Hall revetment
Plate 97 Swansea seawall, looking towards County Hall Swansea
63 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 98 Swansea seawall
Plate 99 Swansea seawall
64 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 100 Brynmill revetment, looking towards Swansea
Plate 101 Brynmill
65 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 102 Sketty Golf Course dunes from Singleton Park Access Ramp, looking towards Swansea
Plate 103 Sketty Golf Course dunes from Singleton Park Access Ramp
66 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 104 Blackpill looking towards Swansea
Plate 105 Blackpill, note exposed seawall at upper edge of beach/ dune, natural build up of sand
67 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 106 Blackpill looking towards Mumbles Head
Plate 107 Swansea Bay
68 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 108 West Cross revetment
Plate 109 West Cross revetment
69 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 110 Norton revetment looking towards Blackpill
Plate 111 Norton revetment
70 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 112 Norton revetment and set-back wall
Plate 113 Oystermouth seawall
71 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 114 Oystermouth seawall
Plate 115 Oystermouth seawall
There is risk of undermining at toe, narrow promenade and risk of overtopping/ overflow during extreme storms. CCS structural assessment estimated 25 year residual life.
72 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 116 Mumbles revetment looking towards Oystermouth
Note set-back wall inshore of narrow promenade. Low level crest, potential risk of overtopping/ overflow during extreme tides
Plate 117Mumbles revetment looking towards Mumbles Pier,
Note set-back wall inshore of narrow promenade. Low level crest, potential risk of overtopping/ overflow during extreme tides.
73 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 118 Mumbles revetment, evidence of undermining at toe.
Low level crest, potential risk of overtopping/ overflow during extreme tides. Various patch repairs required to maintain in the short term.
Plate 119 Mumbles revetment
74 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 120 Knab Rock slipway
Plate 121 Knab Rock reinforced earth seawall, performance of steel bands to be assessed by CCS (100 year design life)
75 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 122 Mumbles Cutting revetment
Plate 123 Mumbles Cutting revetment
76 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 124 Mumbles Pier
Plate 125 Mumbles Pier seawall
77 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
LARGE SCALE: Mumbles Head to Worm’s Head
Mumbles Head to Southgate
Figure 14 Mumbles Head to Southgate (Crown copyright, Licence No. 100023377, 2009)
The following coastal defences presently exist along this frontage:
Defence Location Length Existing Crest NAI Maintenance Code (km) Defence Types Level Residual Resp. (mODN) Life (Yrs) No info Revetment and prom 0.03 Revet/ prom N/A 20-50 CCS No info Seawall/ slipway 0.03 Seawall N/A 20-50 CCS W.84.5225 Limeslade to Mumbles Hd 1.2 HRS N/A N/A No info W.84.5223 Limeslade Bay 0.11 Revet/seawall +11.2 20-50 CCS W.84.5220 Rothers to Rams Tor 1.45 HRS N/A N/A No info W.84.5218 Rothers Bay .08 Revetment +12.2 20-50 CCS W.84.5217 Rothers Tor 0.2 HRS N/A N/A No info No info Langland Bay east 0.1 Seawall +9.5 <20 CCS W.84.5216 Langland Bay west 0.34 Seawall/ apron +9.5 20-50 CCS W.84.5214 Newton Cliff 0.9 HRS N/A N/A No info W.84.5212 Whiteshell Point 0.45 HRS N/A N/A No info W.84.5210 Caswell Bay Cliffs 0.51 Soft RS N/A N/A No info W.84.5208 Caswell Bay East 0.08 Revetment +8.0 20-50 CCS W.84.5206 Caswell Bay 0.2 HRS N/A N/A Private No info Bay House 0.075 Stone wall >+10.0 <20 No info W.84.5205 Redcliffe Promenade 0.2 Revetment/ >+10.0 20-50 CCS/ Private Gabions W.84.5204 Caswell Bay West 0.32 HRS N/A N/A No info W.84.5202 Caswell 0.3 HRS N/A N/A No info
78 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
W.84.5200 Brandy Cove 0.9 HRS N/A N/A No info W.84.5195 Bishopston Area 0.3 Shingle N/A N/A No info W.84.5192 Pwlldu Bay 2.06 HRS N/A N/A No info W.84.5190 Pwlldu Head 0.8 HRS N/A N/A No info W.84.5188 High Tor 0.5 HRS N/A N/A No info W.84.5186 West Cliff, Pennard 0.82 HRS N/A N/A No info
Plate 126 Mumbles Head from Bracelet Bay
79 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 127 Bracelet Bay, seawall/ slipway and revetment/ short section of promenade
Plate 128 Limeslade Bay revetment
80 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 129 Rothers Bay stepped revetment, constructed in the 1990s
Plate 130 Langland Bay, looking west, risk of undermining
81 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 131 Langland Bay, looking east
Note the recently constructed apron halfway along seawall then natural beach at toe of seawall and risk of undermining.
Plate 132 Caswell Bay (Shoreline Management Partnership)
82 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 133 Caswell Bay revetment, note undermining of building, left foreground
Plate 134 Caswell Bay Redcliffe coastal defences
Plate 135 Caswell Bay Redcliffe coastal defences
83 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 136 Caswell Bay Redcliffe coastal defences
Plate 137 Caswell Bay Redcliffe coastal defences, note undermining at toe of steps
84 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 138 Cliffs south-west of Caswell Bay
85 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Oxwich Bay (Southgate to Oxwich Point)
Figure 15 Oxwich Bay (Crown copyright, Licence No. 100023377, 2009)
The following coastal defences presently exist along this frontage:
Defence Location Length Existing Crest NAI Maintenance Resp. Code (km) Defence Types Level Residual (mODN) Life (Yrs) W.84.5180 Three Cliffs Bay 0.95 HRS/Dunes N/A N/A No info W.84.5175 Nicholaston Burrows 1.40 Dunes N/A N/A No info W.84.5162 Oxwich Bay 1.0 Dunes N/A N/A No info W.84.5161 Oxwich 0.35 Car-park (no +7.0 N/A Private defence) W.84.5160 Oxwich Hotel Road 0.11 Seawall +8.0 20-50 Private W.84.5159 Oxwich Wood 0.11 Hard Rock N/A N/A No info Shore W.84.5158 Oxwich Point 0.85 Hard Rock N/A N/A No info Shore
86 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 139 South Gower (Google Earth Pro, 2009)
Plate 140 Three Cliffs Bay (Shoreline Management Partnership)
87 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 141 Oxwich Bay looking north-east, note erosion to edge of car park
Plate 142 Oxwich Bay Hotel Road seawall
88 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Port Eynon Bay (Oxwich Point to Port-Eynon Point)
Figure 16 Port-Eynon Bay (Crown copyright, Licence No. 100023377, 2009)
The following coastal defences presently exist along this frontage:
Defence Location Length Existing Defence Types Crest NAI Maintenance Code (km) Level Residual Resp. (mODN) Life (Yrs) W.84.5157 Slade, Oxwich 2.75 Hard Rock Shore N/A N/A No info W.84.5155 Slade Sands 0.2 Hard Rock Shore N/A N/A No info W.84.5150 The Cave, Horton 0.8 Hard Rock Shore N/A N/A No info W.84.5095 Port Eynon Bay 1.25 Artfl. Ptn/Dunes N/A N/A No info Port Eynon car park 0.04 Sheet pile wall N/A 20-50 CCS W.84.5092 Port Eynon, Salt House 0.27 Seawall N/A 20-50 CCS W.84.5089 Port Eynon Point 0.1 Hard Rock Shore N/A N/A No info
89 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 143 Horton
Plate 144 Port Eynon looking north-east towards Horton
90 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 145 Port Eynon looking north-east towards Horton, exposed eroding clay on foreshore
Plate 146 Port Eynon car park sheet piled wall
91 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 147 Port Eynon looking south towards slipway, residential house, youth hostel and Salt House
Plate 148 Port Eynon slipway, note rocky foreshore
92 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 149 Port Eynon residential house (holiday cottage) seawall
Plate 150 Port Eynon Salt House revetment, masonry cladding has been displaced in places
93 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 151 Port Eynon youth hostel (sited at former lifeboat station) and residential properties seawall, note undermining of defences
94 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Port Eynon Point to Worms Head
Figure 17 Port Eynon Point to Worms Head (Crown copyright, Licence No. 100023377, 2009)
The following coastal defences presently exist along this frontage:
Defence Location Length Existing Defence Crest Level NAI Maintenance Code (km) Types (mODN) Residual Life Resp. (Yrs) W.84.5088 Overton 2.2 Hard Rock Shore N/A N/A No info W.84.5086 Mewslade to 3.6 Hard Rock Shore N/A N/A No info Overton W.84.5084 Thurba 0.45 Hard Rock Shore N/A N/A No info W.84.5082 Mewslade Bay 0.75 Hard Rock Shore N/A N/A No info W.84.5080 Fall Bay 0.46 Hard Rock Shore N/A N/A No info W.84.5077 Worms Head to 4.00 Hard Rock Shore N/A N/A No info Tears Point W.84.5076 Worms Head 2.00 Hard Rock Shore N/A N/A No info
95 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 152 Mewslade Bay, looking east
Plate 153 Mewslade, looking west
96 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 154 Worms Head, Gower
Plate 155 Worms Head, Gower
97 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
LARGE SCALE: Carmarthen Bay (Worms Head to Giltar Point) - Part One
Worms Head to Burry Holms
Figure 18 Worms Head to Burry Holms (Crown copyright, Licence No. 100023377, 2009)
The following coastal defences presently exist along this frontage:
Defence Location Length Existing Defence Crest NAI Maintenance Code (km) Types Level Residual Resp. (mODN) Life (Yrs) W.84.5076 Worms Head 2 Hard Rock Shore N/A N/A No info W.84.5075 Rhossili to Kitchen Corner 1.55 Hard Rock Shore N/A N/A No info W.84.5070 Rhossili Bay 4.6 Dunes N/A N/A No info
98 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Plate 156 Rhossilli Bay from the south
Plate 157 Rhossili Bay from the north (Shoreline Management Partnership)
99 Lavernock Point to St Ann’s Head SMP2 Appendix C: Baseline Process Understanding Annex C: Defence Assessment
Burry Holms to Whiteford Point
Figure 19 Burry Holms to Whiteford Point (Crown copyright, Licence No. 100023377, 2009)
The following coastal defences presently exist along this frontage:
Defence Location Length Existing Defence Crest NAI Maintenance Code (km) Types Level Residual Resp. (mODN) Life (Yrs) W.84.5066 Three Chimneys to Spaniard 0.8 Hard Rock Shore N/A N/A No info Rock W.84.5064 Bluepool Corner 0.48 Hard RS Dunes N/A N/A No info W.84.5062 Twlc Point to Minor Point 0.74 Hard RS Dunes N/A N/A No info W.84.5061 Broughton Burrows 0.23 Rubble revetment 9.9 <20 Private W.84.5060 Broughton Bay 1.45 Dunes N/A N/A No info W.84.5055 Whiteford Sands 3.4 Dunes N/A N/A National Trust
100