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ALEXANDER SAUNDERS Undergraduate Portfolio


Design Competition Entry

1. COMPETITION

1. Revitalising The River Don | Sheffield

Undergraduate Year 3 2. Castlegate Integrated Project

Winner of the Landscape Insitutes ‘Creating Healthy Places’ Ideas Competition 2014

3. Castlegate Planting Design

The aim of this proposed idea is to make a move away from thinking about landscapes 5, 10 or 15 years from after implementation but instead considering what can be achieved within the first year after a site is abandoned, demolished or neglected.

4. Castlegate Construction 5. Rivelin Valley Retreat 6. Sustainable Housing

Undergraduate Year 2 7. Cultural Industries Quarter

CONTENTS

The proposal looks at a planning scale for a section of the Don in the heart of Sheffield. The neglected spaces can form the foundation for an extensive corridor in which potentially sacrificial, quick to install, mixed-use landscapes are used to reintegrate the city with its rivers. An example of this is small pocket river parks with a combination of urban woodlands and wetlands to attract people to the river whilst offering new ecological habitats, filtering run off water and aiming to combat recent flooding concerns. Use of native riparian woodland in new densely vegetated areas can also enhance the character of this corridor of spaces while also helping to combat green house gas emissions and improving air quality.


Vision

The Sheffield Footprints is the utilisation and manipulation of previous footprints, forms, scales, and textures in order to subtly celebrate the heritage of Castlegate’s previous communities, cultures and characters, while providing a green gateway to the city centre.

An appreciation of long open views and vistas between the park’s surroundings.

The park will be a hub for Sheffield’s future supporting green infrastructure, founded at the confluence of the River Don and River Sheaf. It will explore and incorporate green technologies such as infiltration swales and floating gardens, as well as riparian woodland, to create a highly biodiverse river park, while the outer reaches are potentially sacrificial and adaptable to the ever changing city centre. The Castlegate Park is split into three core character areas reflecting upon key historical eras of the local surroundings, the industrial revolution, the medieval castle and the natural river with the latter partially enclosed in a woodland corridor.

C1

Flexible space for seasonal activities

The Industrial Revolution Emphasis on large ‘mass produced’ entities, playing on the notion of metal pressing, large industrial warehouses and the gateway to the modern city.

Gateway to various city sectors

Riparian Woodland Divide Encourage future links to HS2 Victoria Station

C2 The Medieval Castle - A more intimate hand crafted feel. Still formal but starting to lose its precision. Reflecting on the castle and supporting moat.

Spatial arrangement is dictated by selectively converting 1800’s industrial building footprints outlines into green space.

Provision of a variety of places to pause and reflect as well as a variety of journeys through and around the park.

Wet swales and rain gardens planted into crushed brick substrate - Coventry

C3 The variety of existing hardscape finishes on site are used to reflect different character areas.

The Natural River - A wilder area with more random intervention and wilder textures. Both large and small scale, formal and informal features promoting access to the water.

Lightweight steel structures accommodate Clematis climbers - Wisley

CASTLEGATE INTEGRATED PROJECT


Victoria Station HS2

V3 C3

C1 V2

V1

C2

City Centre Proposed Bus Routes River Bed Cut

Castlegate Park Masterplan

Bus and Taxi Stops

Park Hill


Street Trees - Pyrus calleryana ‘Chanticleer’

City Edge Trees - Liquidambar styraciflua

CASTLEGATE INTEGRATED PROJECT

Mixed Woodland - Betula ermanii

Mixed Woodland -Quercus rubra

Detailed Area


Recycled Structures

Steel

Climbing

Brushed Concrete Path

Exposed Aggregate Path Aggregate recycled from building rubble Creosote Decking

Treated

Timber

Reinforced Concrete Blocks & Stairs - Aggregate recycled from building rubble

Lamp

Masterplan

The confluence platform offers multiple experiences with intimate seating enclaves that offer the chance to reflect back along the rivers or back into the park, and stepped blocks with greater access to the rivers themselves. Supporting wetlands allow the opportunity to manage rainwater before it reaches the river as well as acting as a flood management system. Brushed Concrete Path

Swale

Sectional Axo

Mown Lawn Exposed Aggregate Path

Deep Wetland Swale

Raised Platform Overlooking The Park And River

Floating gardens look to add more ecological and visual value to the river experience while deeper cuts in the river bed and have the water’s journey. Stepped Access To River


2 Clematis cirrhosa bellerica

4 Mix A

1 Amelanchier canadensis 8 Mix B 6 Mix A

2 Mix A

2 Mix C 4 Mix B

8 Mix A

6 Rheum palmatum var.tanguticum 4 Mix E

2 Mix F

2 Mix F

The chosen area looks to create a statement of arrival to the park through a large planted bed with an array of hebacious and grass like perenials flowering through different seasons providing different colours and forms throughout the year, celebrating the revealing of the castle remnants. Mixes are arranged to subtley represent the previous presence of Sheffield’s castle structure and surrounding moat. The moat itself is represented through drift of mixes and individual species with a greater water tolerance. These plants are lush in appearance with emegants that flow accross the moat line. Clump forming plants reflect intididual blocks used to create the castle while the informal nature of mixes reflects the limited precision with the the blocks were put together.

2 Mix E 4 Mix F

6Eupatorium maculatum ‘Atropurpureum

4 Mix E 6 Rheum palmatum var.tanguticum

6 Mix E

6 Eupatorium maculatum ‘Atropurpureum 4 Mix F

6 Mix F

2 Clematis cirrhosa bellerica

6 Mix D

6 Mix D 2 Mix A

4 Mix c

2 Mix C

2 Clematis cirrhosa bellerica

8 Mix D 4 Mix C 2 Mix B

4 Mix B

2 Clematis integrifolia ‘ Rooguchi’

6 Mix A 2 Clematis integrifolia ‘ Rooguchi’ 6 Mix A 8 Mix B

Clematis Climber

3. CASTLEGATE PLANTING DESIGN Dryer Mixes


MIX

spread  cm height  cm pot  size  litres soil  moisture price

sunlight

plant  type

plant  name

seller

plants  per  m2  of  mix

Underplanted  with

30 45 90 80

40 40 120 35

2 2 2 2

dry dry dry dry

2.6 2.4 2.4 2.6

patial shade tolerance patial shade tolerance patial shade tolerance sun to partial shade

herbaceous perenial grass grass groundcover

Euphorbia amygdaloides 'Purpurea' Carex testacea Calamagrostis brachytricha Osteosperum 'Lady Leitrim'

manor farm nurseries manor farm nurseries manor farm nurseries manor farm nurseries

2 2 2 2

Underplanted  with

45 30 100 100 80

60 40 90 180 35

2 2 2 2 2

dry dry dry dry dry

2.4 2.6 2.4 2.4 2.6

sun sun sun sun sun to partial shade

herbaceous perenial herbaceous perenial grass grass groundcover

Helleborous orientallis x hybridus Euphorbia amygdaloides 'Purpurea' Calamagrostis x acutiflora 'Overdam' Calamagrostis x acutiflora 'Karl Foester' Osteosperum 'Lady Leitrim'

manor farm nurseries manor farm nurseries manor farm nurseries manor farm nurseries manor farm nurseries

2 2 2 2 2

Underplanted  with

12 60 30 100 60 45 45

20 120 90 180 50 60 100

2 2 2 2 2 2 2

moist moist moist moist moist moist moist

2.4 2.9 2.4 2.4 2.35 2.4 7.99

sun sun sun sun sun sun   sun  of  partial  shade

herbaceous  perenial herbaceous  perenial grass grass herbaceous  perenial herbaceous  perenial groundcover

Viola  odorata  'Rosea  Group' Cirsium  rivulare  'Atropurpureum Chasmanthium  latifolium Calamagrostis  x  acutiflora  'Karl  Foester' Bergenia  cordifolia  'Rotblum Helleborous  orientallis  x  hybridus Galium  odoratum

manor  farm  nurseries manor  farm  nurseries manor  farm  nurseries manor  farm  nurseries manor  farm  nurseries manor  farm  nurseries Crocus

1 1 2 2 2 1 1

Underplanted  with

30 45 45

90 40 100

2 2 2

moist moist moist

2.4 2.4 7.99

partial  shade  tolerence partial  shade  tolerence sun  of  partial  shade

grass grass groundcover

Chasmanthium  latifolium Carex  testacea Galium  odoratum

manor  farm  nurseries manor  farm  nurseries Crocus

2 2 2

MIX

spread  cm height  cm pot  size  litres soil  moisture price

sunlight

plant  type

plant  name

seller

plants  per  m2  of  mix

50 50 30 45

75 100 50 100

2 2 2 2

moist moist moist moist

2.4 2.4 2.4 7.99

sun sun sun sun  of  partial  shade

perenial  grass perenial  grass perenial  grass groundcover

Iris  siberica  'Perry's  Blue' Crcocosmia  'Lucifer' Hemerocallis  'Stella  in  red' Galium  odoratum

manor  farm  nurseries manor  farm  nurseries manor  farm  nurseries Crocus

3 3 3

50 30 45

100 30 100

2 2 2

wet wet moist

2.4 2.4 7.99

sun perenial  grass sun perenial  grass sun  of  partial  shade groundcover

Iris  sibirica  'Sparkling  Rose' Hemerocallis  'Stella  De  Oro' Galium  odoratum

manor  farm  nurseries manor  farm  nurseries Crocus

4 4

200 100

200 100

2 2

wet wet

8.99 9.99

sun  or  partial  shade herbacious  perenial sun hardy  perenial

Eupatorium  maculatum  'Atropurpureum  Gcrocus roup' Rheum  palmatum  var.tanguticum crocus

2 2

250 150

250 300

2 2

moist moist

4.3 4.3

sun   sun

Clematis  integrifolia  'Rooguchi' Clematis  cirrhosa  bellerica

manor  farm  nurseries manor  farm  nurseries

1  around  steel  structure 1  around  steel  structure

45 80

100 35

2 2

moist dry

7.99 2.6

sun  or  partial  shade groundcover sun  or  partial  shade groundcover

Galium  odoratum Osteosperum 'Lady Leitrim'

Crocus manor  farm  nurseries

Price 70

Grown  In superroot  feeder

Seller Coles

Spacing

Ultimate  height  cm ultimate  spread  cm 1200 800

Mix  E

MIX A

MIX B

Underplanted  with

Mix  F Underplanted  with

MIX  C

MIX  D

Idividual Climbers

Groundcover  for  spaces

Trees Buying  Size Amelanchier  canadensis 200

MIX MIX  A

climber climber

PLANT  NAME

PRICE

NUMBER  REQURED

TOTAL  COST  (£)

Euphorbia amygdaloides 'Purpurea'

2.6

Carex testacea Calamagrostis brachytricha

2.4 2.4

34 34

88.4 81.6

34

81.6

Osteosperum 'Lady Leitrim'

2.6

34

88.4

Helleborous orientallis x hybridus Euphorbia amygdaloides 'Purpurea'

2.4 2.6

26 26

62.4 67.6

Calamagrostis x acutiflora 'Overdam' Calamagrostis x acutiflora 'Karl Foester'

2.4 2.4

26 26

62.4 62.4

Osteosperum 'Lady Leitrim'

2.6

26

67.6

Viola  odorata  'Rosea  Group' Cirsium  rivulare  'Atropurpureum

2.4 2.9

12 12

28.8 34.8

Chasmanthium  latifolium Calamagrostis  x  acutiflora  'Karl  Foester'

2.4 2.4

Bergenia  cordifolia  'Rotblum Helleborous  orientallis  x  hybridus

2.35 2.4

12 12 12

28.8 28.8 28.2

12

28.8

Galium  odoratum

7.99

12

95.88

Chasmanthium  latifolium Carex  testacea

2.4 2.4

24 24

57.6 57.6

Galium  odoratum

7.99

24

191.76

Iris  siberica  'Perry's  Blue' Crcocosmia  'Lucifer' Hemerocallis  'Stella  in  red'

2.4 2.4 2.4

16 16 16

38.4 38.4 38.4

Underplanted  with MIX  F

Galium  odoratum Iris  sibirica  'Sparkling  Rose' Hemerocallis  'Stella  De  Oro'

7.99 2.4 2.4

16 18 18

127.84 43.2 43.2

Underplanted  with Individuals  

Galium  odoratum 7.99 Eupatorium  maculatum  'Atropurpureum  Group'8.99 Rheum  palmatum  var.tanguticum 9.99

18 12 12

143.82 107.88 119.88

Climbers

Clematis  integrifolia  'Rooguchi' Clematis  cirrhosa  bellerica

4.3 4.3

4 6

17.2 25.8

Galium  odoratum Osteosperum 'Lady Leitrim'

7.99 2.6

120 120

958.8 312

Amelanchier  canadensis

70

1

70

Underplanted  with MIX  B

Underplanted  with MIX  C

Gateway Tree - Amelanchier canadensis Clematis Climber

Underplanted  with MIX  D

Underplanted  with MIX  E

Groundcover  for  spaces

Trees

Lush Moat Corridor (Wet)

Dryer Mixes

TOTAL

£3,328.26


4. CASTLEGATE CONSTRUCTION


The retaining wall’s finish seeks to reflect the informality associated with the waters edge and the planting behind while also showing appreciated for previous built form. To achieve this, crushed building rubble from the castle market building will be incorporated into the reinforced concrete itself. This can be done by either pressing the rubble into the surface of the concretre or by using the rubble as the aggregate in the concrete mixture itself.

2 4

PLAN DETAIL

1

LEGEND

3

Vegetated Infiltration Bed

EXPANSION JOINT DETAIL Raised Mown Lawn

LEGEND

Section Detail

1. Water Bar

100mmx100mm Granite Sets

Timber Decking and Edging

LEGEND

2. Backer Rod

2

3. Joint Filler

1. Perforated Drainpipe

4. Reinforced Concrete Retaining Wall

2. Crushed Stone

SCALE

1:2 reduction

RETAINING WALL DETAIL Reinforced Concrete

3

3. Reinforced Concrete Retaining Wall 4. Sub Base

1 5

5. Sub Grade

SCALE

1:5 reduction

RETAINING WALL DETAIL Timber Seating Surface

SCALE

1:100 reduction

DETAILED DESIGN AREA CONTEXT PLAN

4


The stairs leading to water will retain the crisp lines associated with a new park, through corten steel trays that define each stair as well as a galvanised steel strip inlay and lighting. Howeverthe finish within the sets will have a much rougher, more weathers aesthetic. The concrete mix will comprise of the same rubble that goes into the path and retaining walls however it will contain a greater proportion of aggregate giving a more gravelly appearance similar to that to the gravel river bed.

SECTION DETAIL LEGEND 1. Sea Level 2. Reinforced concrete foundation 3. Concrete anchor foundation 4 Concrete stair

6

5. Coduroy Paving

5

10 9

6. Main Resin Bound Gravel Path 7. Corten Steel Trey

4

8. Resin Bound Slabs with Exposed Crushed Castle Market Aggregate 2 8 3

7

9. 30mm deepGalvanised Steel Strip Inlay 1

10. 50mmx50mm Light Block

SCALE

4. CASTLEGATE CONSTRUCTION

1:20 reduction

WATERS EDGE STAIR DETAIL


Ancient Woodland

Enhanced Formal Entrances

Plantation Woodland

Maintained Informal Entrances

Meadow Planting

6

N

S c a l e 1:2500

Visualisation Numbers

Allotments with maintained hedges

Expanded Wetland

Key Historic Features

Coppicing Site

2

The Rivelin Valley is a corridor in which Sheffield’s Peak District edge transitions into the urban realm. This proposal works at a planning scale to define interventions that will transform the relatively neglected corridor into a linear park that exploits existing heritage features, integrating them into a varied landscape including open parkland, woodland, allotments, wetlands and reservoirs.

7 8

5. RIVELIN VALLEY RETREAT

4

5

6

3

1


1

3

More Prominent Entrances

Transition To The Wild

2 Enhanced Cafe Retreat

4 Woodland Retreat

5. RIVELIN VALLEY RETREAT


7 5

Opening Up The River

Experience The History

6 Expand and Increase Wetland

8 Places To Pause


This scheme builds on the green finger city concept to provide this area of Crookesmoor with the foundations for a socially engaging and environmentally sustainable community in the form of privately owned family appartments combined with highly pedestrianised, ecologically rich surroundings.

6. SUSTAINABLE HOUSING


Pedestrian & Cycle Shared Surface

Communal Recycling and Waste Bin Point

Densely Vegetated Bio-Swale/ Ecological Corridor

3 Storey Maisonette With Ground Floor Private Gardens

Deciduous Woodland Corridor

Communal Composters

Formal Rain Garden/ Bio-swale

Communal Bike Sheds

Car Parking


This proposal for the Cultural Industries Quarter (CIQ) of Sheffield aims to create a coherant series of designed park spaces to link small pockets of space through an area with high potential to become an historical and artistic hub for the city. The gallery concept is underpinned by the idea of a large building with a common structure (CIQ) comprised of smaller themed exibitions or rooms (designed spaces). This is represented by a common material and vegetation pallette throughout the route however each individual designed space represents different qualities of the local area, such as a performance promoting space for local musicians, and spaces that uses structural form to represent Sheffields industrial heritage.

7. CULTURAL INDUSTRIES QUARTER


Winner of the University Of Sheffield’s Rosie Reynolds Prize For Group Design


Gallery Concept Continued This space uses sound/ music as the key theme of the space. It is important to focus more on other sensory qualities than purely the visual of this space compared to others along the route. The site chosen exploits the natural sound of the river while looking to create a platform for Sheffield’s performing arts scene where music is a major contributor.

Key Flowering Meadow/ Tall grass Mix Mown Grass Concrete Paving Sets Wetland Planting and Reeds Concrete Stair Sets Lights Steel/Wood Structure Liquidambar styraciflua Betula pendula or Betula jacquemontii Spot Heights Slope Direction (downhill) Section Line

The Temporal Landscape Daily Change The space has the potential to become a popular outdoor venue during the evening as well as the day. The lighting change will give a new atmoshpere to the space that could be much more intimate. The possibility of involving BBC Radio Sheffield which is situated just a short walk away could make way for a couple of more publisised events to bring the community together in the park. Seasonal Change During autumn and winter some of the flowering meadow planting will become a lot less predominant with the evergreen grasses, and hardscape detail becoming the new focus. The Liquidambar styraciflua and Betula jacquemontii will change dramatically throughout the year whilst also growing over the longer period.

7. CULTURAL INDUSTRIES QUARTER


Key Flowering Meadow/ Tall grass Mix Mown Grass Concrete Paving Sets Wetland Planting and Reeds Concrete Stair Sets Lights Steel/Wood Structure Liquidambar styraciflua Betula pendula jacquemontii

or

Betula

Spot Heights Slope Direction (downhill) Section Line


Contact Details email.......................alexmcsaunders@hotmail.co.uk mobile.....................07595350138


Landscape Architecture Undergraduate Portfolio