Case Study: Olympic Park, London

Question 1

What is the location of Olympic Park?

Answer 1

Olympic Park, Stratford, East London, E20 2ST

Question 2

How much of an area does Olympic Park cover?

Answer 2

Approximately 250 hectares

Question 3

What important buildings is the Olympic park home to?

Answer 3

• Olympic Stadium - Eaton Manor
• Aquatics Centre. - Riverbank Arena
• Velodrome - Sponsor hospitality
• Copper Box - International Broadcast centre/ main press centre complex
• BMX Track - Orbit Tower

Question 4

What was the site formerly?

Answer 4

An industrial/commercial development together with Lea Valley Park and was a known depository for building rubble from properties demolished in World War Two

Question 5

What was the site known to be

Answer 5

Contaminated

Question 6

What are the names of the strategic watercourses traverse through the park?

Answer 6

• River Lea
• River Lee Navigation
• Waterworks River
• City Mill River
• Old River Lea

Question 7

What is the park protected against?

Answer 7

Fluvial flooding

Question 8

What is the actively managed flooding generated by?

Answer 8

A 100 year return period rainfall event plus Climate Change allowance

Question 9

What was agreed should happen to the surface runoff generated?

Answer 9

It should be collected and discharged to the watercourses in advance of the river peak flow

Question 10

How was the site topography changed?

Answer 10

Some areas of the park were raised by 9m and a significant widening of the river channel.

Question 11

What is the park going to be transformed into once completed?

Answer 11

To form a mixed use development and significant landscaped area together with a number of retained venues converted for legacy usage.

Question 12

What do the Porous Asphlat strips act as?

Answer 12

A collection system for overland runoff generated and conveyed waters into granular trenches below

Question 13

What SuDS components have been employed in the wetland area?

Answer 13

• Swales
• Filter Strips
• Drains
• Small volume balancing ponds

Question 14

What two venues has rainwater harvesting been installed?

Answer 14

The Velodrome and Copper Box

Question 15

What requirement was outlined within the Olympic Park SWD Technical Design Strategy?

Answer 15

To ensure all assets installed were adoptable by an appropriate authority

Question 16

What also went in line with this strategy?

Answer 16

The requirement to discharge flows from the Park in advance of the fluvial peak in the River Lea

Question 17

What systems were used in the highways of the park?

Answer 17

Traditional road gullies and combined kerb drainage ollection

Question 18

What was intended of the north parl wetland feature?

Answer 18

It will form a wildlife haven for plants and animals with habitats created for otters, kingfishers, grey herons and water voles.

Question 19

Why were filter strips and drains installed adjacent to the wetland pathways?

Answer 19

To treat and capture runoff generated

Question 20

Why are Swales included within the wetland area

Answer 20

Act as a conveyance device

Question 21

What do the Swales incorporate?

Answer 21

Check dams at intervals to reduce velocities and provide open water features alongside wetland pathways