Hard engineering case study

Question 1

Heysham and Morecambe

Answer 1

4 defence options:
Hold the line 
Do nothing but monitor 
Retreat the line 
Advance the line

Question 2

Strategy 1

Answer 2

Rock armour to enhance and protect existing sea wall

Boulders of locally sourced limestone placed along promenade

Question 3

Strategy 2

Answer 3

Breakwaters and rock groins
10 of these built at intervals in front of the town
Just under 1 mil tonnes of locally sourced limestone boulders used

Question 4

Strategy 2

Answer 4

Breakwaters and rock groins
10 of these built at intervals in front of the town
Just under 1 mil tonnes of locally sourced limestone boulders used

Question 5

Strategy 3

Answer 5

Repaired and replaced sea walls

Between 2015-18 4km of 30 year old sea wall was replaced