THE LAST STRAW
New Ratho Community & Visitor Cenre
BOOK OF DRAWINGS Gergana Negovanska
1
TABLE OF CONTENTS
ISOMETRIC
3
LOCATION PLAN
4
SITE PLAN
5
PLANS
6
SECTIONS
10
SECTIONAL PERSPECTIVE
15
DETAIL DRAWINGS
18
ELEVATIONS
31
REUSE STRATEGY
33
STRUCTURE AND DESIGN SYSTEMS
34
EXPLODED AXONOMETRIC
36
PERSPECTIVE VIEWS
38
2
ISOMETRIC 1:250
3
Song thrush Once being one of the most common birds, it is now a redlisted species of conservation concern.The species has declined significantly particularly in farmland areas due to habitat loss due to changes in agricultural practices and woodland management. Song thrush is considered to be potentially breeding in and around the site. The Wildlife Trusts. Accessed May 3, 2021. https://www.wildlifetrusts. org/wildlife-explorer/birds/finchesand-buntings/reed-bunting.
4
LOCATION PLAN 1:1000
13
5
6
4
7 1
2
10 14
3
8
11
9 16
15
12
17
1 Ratho school 2 existing nursery 3 School parking 4 Community woodland 5 Union Canal 6 proposed Canal hubs 7 proposed woodland retreats 8 proposed nursery 9 potential parking for nursery 10 New Community and Visitor Centre 11 parking for the proposal 12 neighbouring residents 13 Bridge Inn 14 Ratho bowling club 15 High Street 16 School Wynd 17 road leading to A720 Ratho Conservation Area School property boundary
5
Swift ‘UK’s swift population has suffered a worrying decline, with a fall of more than 51% estimated between 1995 and 2015. A decline in the numbers of its insect prey and nesting sites is seen as key factor, with modern buildings lacking the small gaps they need to build their nests.’ The Wildlife Trusts.
6
SITE PLAN
13
1:500
0
25 m
5
6
4
7 2
3
14
10
8 11
9
12 16
12 15
2 existing nursery 3 School parking 4 Community woodland 5 Union Canal 6 proposed Canal hub 7 proposed woodland retreats 8 proposed nursery 9 potential parking for nursery 10 New Community and Visitor Centre 11 parking for the proposal 12 neighbouring residents 13 Bridge Inn 14 Ratho bowling club 15 High Street 16 School Wynd 17 road leading to A720 Ratho Conservation Area School property boundary
17
7
C
D +8
PLAN
3.0
1:100 +8
3.5
existing new
12
straw bales
+8
4.0
13
+85.85
11
+8
4.5
+8
5.0
10
1
14
8
A B
6 2
3
+86.36
9
17
A
+86.36
7
B +8
5.5
18
16
4
5
15
1 nursery 2 School Wynd 3 existing sidewalk 4 bycicle park 5 car park 6 entrance foyer 7 toilets and kitchenette 8 shop and information centre 9 library and community centre
+86.20
C
D
10 viewing terrace 11 outdoor area 12 woodland path 13 cafe 14 plant garden 15 existing ramp + 16 front garden with 86.0 outdoor library 17 multi- purpose room 18 path
8
PLAN LIBRARY, 1:50 existing new straw bales
15
10
11
14 7
9
+86.36
12
16 1
13
13
8
17
2 6 3
5 1 existing paved sidewalk 2 water tank 3 bycicle park 4 car park 5 front garden 6 outdoor library 7 entrance foyer 8 kitchenette 9 toilets
10 shop and information centre 11 storage 12 librarian desk 13 storage 14 library and community centre 15 viewing terrace 16 habitat wall 17 ramp
9 4
+86.20
PLAN CAFE, 1:50 existing new straw bales
1
+85.85
2 4
7
5
8 6
3
9
1 woodland path 2 outdoor seating area 3 viewing terrace 4 cafe 5 bar 6 storage 7 toilets 8 existing path to multi-purpose room 9 garden
10
PLAN MULTI-PURPOSE ROOM, 1:50 existing new straw bales
4
7
6
+86.36 1
3
2
5
9 8
1 1 library 2 habitat wall 3 walkway 4 garden 5 multi-purpose room (exhibition space, club room, reading room) 6 movable straw furniture 7 entrance from woodland path 8 entrance from alley leading to Main Str 9 existing path
11
SECTIONS SECTION AA 1:100 existing new straw bales
+ 91.10
1
2
3
4
5
6
7
8
9
10 +86.35
+84.35
SECTION BB 1:100
+ 91.10
1
2
3
4
5
6
7
8
9
10 +86.35
+84.35
1 nursery 2 School Wynd 3 existing pavement 4 shop and information centre 5 entrance foyer 6 library and
community centre 7 habitat wall 8 plant garden 9 multi-purpose space 10 path
12
SECTION CC 1:100 existing new straw bales
+ 91.10
5 1
2
3
7
8
9
10
9
10
+86.35
4
+84.35
SECTION DD 1:100
+ 91.10
6 1
2
3
4
7
8 +86.35
+84.35
1 Woodland path 2 cafe 3 outdoor area 4 viewing terrace 5 entrance foyer
6 library 7 outdoor library 8 front garden 9 parking 10 neighbour property
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SECTION AA 1:50 existing new straw bales
1
2
3
4
5
+ 91.10
6
7
9
8
10
+86.35
7
+84.35
1 School Wynd 2 existing pavement 3 shop and information centre 4 entrance foyer 5 library and community centre 6 habitat wall 7 plant garden 8 community room 9 habitat wall 10 path
15
SECTION CC 1:50 existing new straw bales
+ 91.10
1
2
3
4
5
6 +86.35
+84.35
1 cafe 2 outdoor area 3 viewing terrace 4 entrance foyer 5 ramp 6 car parking
16
SECTION DD 1:50 existing new straw bales
+ 91.10
4 1
2
3
5
6 +86.35
+84.35
1 cafe 2 outdoor area 3 viewing terrace 4 library 5 outdoor library and front garden 6 car parking
17
Fieldfare Fieldfares are considered a potentially occuring species on the site.
18
SECTIONAL PERSPECTIVE SECTION DD 1:25 existing new straw bales
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SECTION EE 1:100 existing new straw bales
+ 90.95
1
2
3
4
5
+85.85
+83.50
1356
1 woodland path 2 cafe 3 garden 4 walkway 5 multi-purpose room
20
SECTION EE 1:50 existing new straw bales
+ 90.95
1 2
3
4
5 +85.85
+83.50
1356
1 Woodland path 2 cafe 3 garden 4 walkway 5 multi-purpose room
21
1
DETAIL DRAWINGS A. WALKWAY AND GLAZED WALL IN LIBRARY, 1:10
2
6
Walkway 29 mm larch decking, 100 mm wide with 6 mm spacing 50x100 mm secondary larch beam 100x100 mm primary larch bearm 100x100 impregnated larch column with steel shoe at 810 mm depth
7
3
4
1
Handrail
Rooflight Double glazed, sealed
2
100x100 handrail column with 25x25 vertical larch railing spaced at 100 mm
Roof 18 mm larch cladding 10 mm larch cladding 30 mm timber battens 10 mm hydroisolation breather membrane 22 mm OSB board 100 mm sheep wool insulation between pine rafters 600 mm centres 100 mm existing fibre insulation between timber rafters VCL membrane 15 mm plywood board
7 5
6 3
Hidden gutter
4
Top plate 150x50 mm battens placed vertically with 18 mm nailed plywood and sheep wool insulation
existing new straw bales
5
Single hinged leaf glass door Double glazed
22
B. RIDGE, 1:10
3
1
Roof 18 mm larch cladding 10 mm larch cladding 30 mm timber battens 10 mm hydroisolation breather membrane 22 mm OSB board 100 mm sheep wool insulation between pine rafters 600 mm centres 100 mm existing fibre insulation between timber rafters VCL membrane plywood board
2
1 2 4
Rooflight Double glazed, sealed
3
Ridge Flashing
4
Truss existing timber truss ridge beam 100x100 mm
existing new straw bales
23
C. STRAW WALL IN LIBRARY, 1:10 1
3 2 1
Roof
6
18 mm larch cladding 10 mm larch cladding 30 mm timber battens 10 mm hydroisolation breather membrane 22 mm OSB board 100 mm sheep wool insulation between pine rafters 600 mm centres 100 mm existing fibre insulation between timber rafters VCL membrane plywood board
2
320 mm bookshelf 22 mm board 60 mm service cavity with 60x50 mm vertical spacer battens VCL membrane 11 mm OSB 400 mm straw bale insulation between timber I-posts 100 mm existing fibre insulation between timber posts breather membrane 34 mm timber battens 34 mm counter battens 2x18 mm vertical larch cladding
5
Gutter attached to 15 mm fore-board
3
Sheep wool insulation
4
Top plate 150x50 mm battens placed vertically with 18 mm nailed plywood and sheep wool insulation
5
4
Straw Bale - Bookshelf Wall
Window Double glazed openable window
existing new straw bales
6 7
Outdoor library 320 mm outdoor bookshelf supported on 100x50 timber battens. Plywood box with sides 24 mm thick
8
Flashing
9
Base plate 100x38 mm battens with 34mm sheep wool insulation
7 10
Floor 21 mm plywood board membrane 100 mm sheep wool insulation between timber studs 600 mm centres 100 mm existing fibreglass insulation between structural timber members membrane 22 mm OSB board 100x100 mm existing timber joists 500x500x2000 mm existing brickconcrete foundations
9
10
8
24
D. GLAZING, PLAN, 1:10
5 1
Single hinged leaf glass door Double glazed
2
Window Double glazed
3
Straw bale wall
2
1
(as on previous page)
4
Straw bale movable furniture 21 mm MDF box 400x1005 mm straw bale 4 wheels
3 5
Walkway
4
29 mm larch decking, 100 mm wide with 6 mm spacing 50x100 mm secondary timber beam 100x100 mm primary timber bearm 100x100 impregnated timber column with steel shoe
6
Truss existing truss above
6 7
End of module existing
7
new straw bales
25
E. STRAW WALL, PLAN, 1:10
1
Straw bale wall 22 mm board 60 mm service cavity with 60x50 mm vertical spacer battens VCL membrane 11 mm OSB 400 mm straw bale insulation between timber I-posts 100 mm existing fibre insulation between timber posts breather membrane 34 mm timber battens 34 mm counter battens 2x18 mm vertical larch cladding
2
1 2
Internal wall 18 mm plasterboard VCL membrane 60 mm sheep wool insulation between 60x60 mm timber battens VCL membrane 18 mm plasterboard
existing new straw bales
26
F. ENTRANCE, 1:10
2 1
Entrance Wall 22 mm board VCL membrane 100 mm sheep wool insulation between timber structure breather membrane 34 mm timber battens 34 mm counter battens 2x18 mm vertical larch cladding
2
1
3
Fascia 20 mm larch
3
Soffit 18 mm larch, covering the truss
4
Decking 29 mm larch decking 100x50 mm timber joists and counter joists 100x50 mm existing timber joists and counter joists 100x100 mm existing joists
5
4
5
Ramp 29 mm larch decking 50 mm thick planks 100x100 mm beams 100x100 mm timber columns with steel shoe existing new straw bales
27
F G. ENTRANCE FOYER, PLAN 1:20
1
1
Column 18 mm larch cladding 18 mm larch cladding breather membrane 100x100 timber column 21 mm plywood board
2
Bi-parting door
3
2
J
J
Double glazed
3
Window Double glazed, not openable
4
Wall 18 mm plywood VCL membrane 64 mm sheep wool insulation between 100x100 mm pine columns breather membrane 34x34mm vertical timber battens 34x34 mm horizontal timber battens 2x18 mm larch cladding
4
existing new straw bales
28 F
H. ENTRANCE FOYER, PLAN 1:10
1
1
Column 18 mm larch cladding 18 mm larch cladding breather membrane 100x100 timber column 21 mm plywood board
2
Bi-parting door Double glazed
3
Window Double glazed, not openable
2
3
existing new straw bales
29
I. ENTRANCE FOYER, PLAN 1:10
1
Bi-parting door Double glazed
2
1
2
Window Double glazed, not openable
3
Wall 18 mm plywood VCL membrane 64 mm sheep wool insulation between 100x100 mm pine columns breather membrane 34x34mm vertical timber battens 34x34 mm horizontal timber battens 2x18 mm larch cladding
3
existing new straw bales
30
J. ENTRANCE FOYER, SECTION 1:20
3 1
Straw bale wall 22 mm board 60 mm service cavity with 60x50 mm vertical spacer battens VCL membrane 11 mm OSB 400 mm straw bale insulation between timber I-posts 100 mm existing fibre insulation between timber posts breather membrane 34 mm timber battens 34 mm counter battens 2x18 mm vertical larch cladding
2
Internal wall 18 mm plasterboard VCL membrane 60 mm sheep wool insulation between 60x60 mm timber battens VCL membrane 18 mm plasterboard
3
Connection between new and old truss
4
Ceiling 15 mm plywood
4
1
2
existing new straw bales
31
K. HABITAT WALL, SECTION 1:10
4 1
1
Rooflight Double glazed, sealed
2
Habitat Wall Construction 320 mm bookshelfs 21 mm plywood board 60 mm service cavity with 60x50 mm vertical spacer battens VCL membrane 11 mm OSB board 400 mm straw bale insulation between timber I-posts 100 mm existing fibre insulation between timber structure 24 mm plywood board breather membrane 38x50mm vertical timber spacer battens in vetilated cavity 24 mm plywood board backing 225x50mm treated shelves (profile as by Sarah Wigglesworth) nailed to board backing applied liquid waterproofing with various contents
3
3
2
Top plate 150x50 mm battens placed vertically with 18 mm nailed plywood and sheep wool insulation
4
Fascia larch fascia and soffit with drip edge
existing new straw bales
32
L. CORNER OF BOOKSHELF AND HABITAT WALL, PLAN 1:10
4 1
Library Wall 320 mm bookshelf 22 mm plywood board 60 mm service cavity with 60x50 mm vertical spacer battens VCL membrane 11 mm OSB 400 mm straw bale insulation between timber I-posts 100 mm existing fibre insulation between timber posts breather membrane 34 mm timber battens 34 mm counter battens 2x18 mm vertical larch cladding
2
Outdoor library 320 mm outdoor bookshelf supported on 100x50 timber battens.
3
4
Habitat Wall 21 mm plywood board 60 mm service cavity with 60x50 mm vertical spacer battens VCL membrane 11 mm OSB board 400 mm straw bale insulation between timber I-posts 100 mm existing fibre insulation between timber posts 24 mm plywood board breather membrane 38x50mm vertical timber spacer battens in vetilated cavity 24 mm plywood board backing 225x50mm treated shelves (profile as by Sarah Wigglesworth) nailed to board backing with various contents
1
3
Seating Area
2 existing new straw bales
33
CAFE STRAW WALL,
PLAN, 1:10
SECTION 1:10
1
1
2
3
4
Roof 18 mm larch cladding 10 mm larch cladding 30 mm timber battens 5 10 mm hydroisolation breather membrane 22 mm OSB board 100 mm sheep wool insulation between timber battens 600 mm centres 100 mm sheep wool insulation between roof joists VCLmembrane 15 mm plywood board 1356
4
Pine Column 100x50 mm Window double glazing, not openable
5
2
Wall 21 mm plywood board VCL membrane 60 mm service cavity with 560x50 mm vertical spacer battens 11 mm OSB 400 mm straw bale insulation between timber I-studs breather membrane 22 mm OSB board 34 mm horizontal timber battens 18 mm vertical larch cladding Floor 21 mm plywood board VCL membrane 100 mm sheep wool insulation between 50x100 timber joists 600 mm centres 100 mm sheep wool insulation between 50x100 structural timber counter-joists brather membrane 22 mm OSB board 100x100 mm timber joists brick-concrete foundations
2
3
existing new straw bales
34
ELEVATIONS 1:100
SOUTH-EAST ELEVATION
SOUTH-WEST ELEVATION 35
NORTH-WEST ELEVATION
NORTH-EAST ELEVATION 36
REUSE STRATEGY: STEPS The proposal for refurbishment and extension aims to reuse the existing timber frame structure, keeping its modularity to allow for a continued lifecycle of reuse and movement across different sites as in the past.
Conservation Area Materials
11.45
2021 Cladding is unscrewed and reused at the Marina, leaving the rest of the building intact. Internal finishes also removed.
New foundations and timber floor installed. Several columns removed from the northern side to open the building the the woodland.
Pine columns and truss for foyer installed to act as wall props, holding the roof truss, while walls are moved.
Walls of former module are unscrewed and reassembled onto the extension and new tuss is installed via crane.
New sheep wool insulation and straw bale are installed on the roof and on the inner side of the wall.
New larch cladding is fixed on timber battens to the facade.
37
STRUCTURAL SYSTEMS 1:250 timber truss existing new
truss for extension
straw bales
columns entrance columns
timber joists
LOAD-BEARING TIMBER STRUCTURE The main structural framework of the building consists of timber post and beam and a truss, which were reused from the existing structure on the site. It is extended in a similar way and modified to accommodate a big entrance foyer in one of the modules.
brick-concrete foundations
38
existing new straw bales
11.45
STRAW BALE INSULATION
TIMBER WALKWAY
Additional straw bale insulation isadded to the inner side of the existing insulation to improve its internal environment and performace. The straw bales are stacked on base plate inbetween timber I-posts. A top plate encloses the straw and compresses it. The module of the straw bale fits with that of the building, allowing its modularity to be preserved.
A new timber walkway provides connections between the individual buildings and also between the buildings and the sloping ground. Ramps and stairs allow people to move between the buildings. Seating spaces are accommodation allowing the walkway to become a viewing terrace.
39
EXPLODED AXONOMETRICS LIBRARY, 1:400 Rooflight
existing reused relocated from original position and reused removed from existing building new straw bales
Double glazed, sealed
Roof 18 mm larch cladding 10 mm larch cladding 30 mm timber battens 10 mm hydroisolation breather membrane 22 mm OSB board 100 mm sheep wool insulation between timber battens 600 mm centres 100 mm existing fibre insulation between timber rafters VCL membrane plywood board
Ceiling Habitat Wall 18 mm plywood board
Straw Bale Wall 22 mm board 60 mm service cavity with 60x50 mm vertical spacer battens VCL membrane 11 mm OSB 400 mm straw bale insulation between timber I-post 100 mm existing fibre insulation between timber structure breather membrane 34 mm timber battens 34 mm counter battens 2x18 mm vertical larch cladding
21 mm plywood board 60 mm service cavity with 60x50 mm vertical spacer battens VCL membrane 11 mm OSB board 400 mm straw bale insulation between timber I-posts 100 mm existing fibre insulation between timber structure 24 mm plywood board breather membrane 38x50mm vertical timber spacer battens in vetilated cavity 24 mm plywood board backing 225x50mm treated shelves Outdoor library 320 mm outdoor bookshelf supported on 100x50 timber battens. Floor
Bookshelfs Internal wall 18 mm plasterboard VCL membrane 64 mm sheep wool insulation between 60x60 mm timber battens VCL membrane 18 mm plasterboard
21 mm plywood board membrane 100 mm sheep wool insulation between timber joists 600 mm centres 100 mm existing fibreglass insulation between structural timber joist membrane 22 mm OSB board 100x100 mm existing timber joists 500x500x2000 mm existing brickconcrete foundations
40
MULTI-PURPOSE ROOM, 1:400
CAFE, 1:400 The extensions from the exisiting structure (cafe and exhibition space) adopt the same structural system for the roof and glazed wall with additional loadbearing I-posts straw construction. In the cafe and exhibition space the straw bales are the only insulation.
Roof Construction 18 mm larch cladding 10 mm larch cladding 30 mm timber battens 10 mm hydroisolation breather membrane 22 mm OSB board 100 mm sheep wool insulation between timber battens 600 mm centres 100 mm sheep wool insulation between roof joists VCL membrane 15 mm plywood board
Wall Construction 21 mm plywood board VCL membrane 60 mm service cavity with 560x50 mm vertical spacer battens 11 mm OSB 400 mm straw bale insulation between timber I-studs breather membrane 22 mm OSB board 34 mm horizontal timber battens 18 mm vertical larch cladding
Habitat Wall 21 mm plywood board 60 mm service cavity with 60x50 mm vertical spacer battens VCL membrane 11 mm OSB board 400 mm straw bale insulation between timber I-posts 100 mm existing fibre insulation between timber structure 24 mm plywood board breather membrane 38x50mm vertical timber spacer battens in vetilated cavity 24 mm plywood board backing 225x50mm treated shelves
Pine Truss
Floor Construction 21 mm plywood board VCL membrane 100 mm sheep wool insulation between 50x100 timber joists 600 mm centres 100 mm sheep wool insulation between 50x100 structural timber counter-joists brather membrane 22 mm OSB board 100x100 mm timber joists brick-concrete foundations
41
PERSPECTIVE VIEWS GARDEN AND HABITAT WALL
42
LIBRARY
43
CAFE
44