Lyme Regis Flashcards
When did Lyme Regis begin their SMP?
2002
Where is Lyme Regis?
Dorset, UK
What is is geology of Lyme Regis?
It has an unstable landslide prone cliff line. Layer cake geology- Limestone sits on Black Ven Marl. Infiltration and percolation through top soil and limestone but Black Ven Marl is impermeable, increases slippage.
What happened in Phase 2 of the SMP?
It is work on areas from the beach front to the harbour.
Beach front stabilisation: repair and strengthen sea wall, 2 masonry groynes, beach nourishment, improve rock armour.
Slope stabilisation: Drainage improvements, metal piling, soil nailing and early landslide system installed
What happened in Phase 3 of the SMP?
In the area from Monmouth Beach to Ware cliffs stage 3 involved doing nothing.
What happened in Phase 5 of the SMP?
On the Cobb the lower face of the north wall of the Cobb was strengthened. The rock armour was extended.
What were the costs of Lyme Regis’s SMP?
High cost (£21 million), disruption to an environmentally sensitive area, temporary eyesore, heavy maintenance burden, changes to cliff habitats and coastal processes.
What were the benefits of Lyme Regis’s SMP?
It safeguards 140 properties and businesses, Secures income from tourism(£994 million to Dorset) , safeguards beach, improves amenities and access.
What is the cost benefit ratio in Lyme Regis?
6:1
What type of engineering is used prominently in Lyme Regis?
Hard engineering.
