Rumen Dimov academic portfolio B.A. Architectural studies Stage 2 Session 2011/2012
Index ARC2001 Design Module Work Charette
Project 1- Placed, Displaced
Project 2- Simplicity, Economy, Home
Project 3- Civic Centred
Project 4- Section Alley
Non- Design Module Courseworks ARC 2023 Place of houses essay
ARC 2009 Technology -Sem. 1
ARC 2009 Technology -Sem. 2
* additional work
project 1: Plans and section 4.
2. Key: 1. Kitchen 2. Dining space 3. Living room 4. External bike storage 5. Toilet 6. Bedroom 7. Study space
Ground floor plan to scale
Cross section a-a
First floor plan not to scale
Placed, Displaced project 1: Final design
The final design proposes an open plan 2-storey dwelling with light steel frame structure, timber intermediate floor and grey limestone cladding. The aim is to protect the interior environment and create a semipermeable threshold, maintaining the privacy and enhancing the focus on the tree as a core element in the building. The wooden flooring and the exposed floor structure reinforce the natural notion and highlight the light penetrating through the series of skylights and gaps in the hanging structure.
Below: Final 1-20 model
Left: Front elevation and relation to the street Top right: living room interior Top- Left: bedroom interior
02. Simplicity, Economy, Home
project 2: Site and concept development
The brief asked for a medium scale foyer building to accomodate, reconnect and indroduce back into the society a group of 8 individuals with a troubled background. The main theme was the encouraging a greater resilience to overcome barries through making a positive contribution to the local community. The choice of site came out of the idea of reintroducing and reconnecting back into society as the Strawbery place was the only one which was not hidden or remote from the life and buzz of the city streets. A concept than shaped from the idea of creating a delicate boundary between community and privacy and creating effective thresholds that allow control of the personal environment.
Left: Right: Below:
Site A aerial perspective Conceptual model study protected but visible. Light investigation, left to right morning- summer; winter noon - summer; winter afternoon- summer winter
Being protected but being visible became a major theme in the design working around the question how do you create something that sends a feeling of protection but still puts you in a situation where you are not excluded visually, giving you opportunities to interact with the public. Key features were identified on the site, such as the demolition remains and the trees. Through a series of explorations the idea of reinforcing the greenery and giving back to the street immerged which evolved further in the approach of using the green slice as an element of interaction with the street on a raised level.
Simplicity, Economy, Home project 2: Floor plans
2. 9. 16.
Third floor plan Key: 1. common room+kitchenette 2. shop window 3. disabled toilets both sexes 4. housekeeping services 5. laundry room
6. storage room 7. workshop 8. self contained flat 9. roof garden - green slice 10-17. visitorsâ€™ rooms
Second floor plan
First floor plan
Ground floor plan
project 2: Section, detail, interior
threshold - main entrance
A few ideas led the design of the distribution of space. As the tutor has his own personal life and might even have a family, a physical separation is needed between him and the visitors. Therefore he has his own entrance and the only overlap between their lives becomes the garden and the workshop. The main entrance is recessed through another threshold behind the trees and raised with a metre. The small part of demolished wall is rebuilt so that it creates a solid visual separation between the street and the common room. This allows for a bigger amount of glazing and therefore a more enjoyable space.
view from bridge to the garden and accomodation
In the garden space, opportunities are created for a choice of visual connection with the street or not, making it an interactive but protected space. The accomodation unit is a light timber frame construction and sits on 4 concrete columns, which penetrate through the green slice. The circulation is used as a shield from the noise to the north and the orientation of all the rooms has
southern light and garden view.
Garden floor plan
interior- room with disabled provision
03. Civic Centred
Civic Centred project 3: Site and program “Local government government of communities and local control by the inhabitants will only happen if each community has its own physical town hall...” Two basic features are required to achieve political activity within the society :
possibility of access to the local government which
1. Daily represents it.
in the hearth of the local community in
2. Located walking distance from everyone it serves.
taking decisions to
The local government building is a place for . This is done through :
shape the society 1. a revision of what is done 2. creating a profile of what is about to be done
The negotiation between the parts is then what encourages the collective identity and therefore the latter is function of diversity rather then individuality. “... the town hall is not an honest part of community which lives around unless it is surrounded by all kinds of small , generated by the people for themselves”
“a basic part of the self-regulation of a successful society is a generation of whenever things get off the track.”
Therefore - aim for a transparent structure which will provide an environment encouraging to established ideas.
generated activities and critical opposition
The waves hitting the sand create an interesting sequence of layers. The first thing you see is the contrast between the business of the sky and the calmness, allmost mirrorlike distant wates of the ocean. Then the focus gets closer and the sea suddenly becomes nervous. The waves like is running short. Bubbles appear and whisper. Break point. Hitting the sand they fade away and a layer of dark flattenede sand is all that is left. The next layer consists of the marks of where the tide was. The perfect dark polished sand gets lighter nad imperfections caused by the human existence start to appear. What follows is the final layer. Earth finally comes into its being. Playing with the wind, full of footsteps and imperfections - pure golden sand.
project 3: Diagramatic thinking Saynatsalo town hall. Main observations and borrowed principles: - informal meeting spaces and opportunities for spontaneous meetings in public - no internal corridors - transparency - chamber massing but not intimidating the street - the cityâ€™s essential character and civic status should be transcribed into a towering silhouette.
flows: old (red) proposed (green)
orintate towards the main street
respect the visual angle
breathing (opposethe grid)
activities to the street
extending the public space
private public public bookable interior visual connectivity
Civic Centred project 3: Building program
13. 11. 17.
Key: 1. reception 2. public toilets + whelchair provision 3. waiting area 4. coffee shop 5. cheche 6. plant room 7. cleaners room 8. staff common room
9. administrative storage 10. administrative office 11. small meeting room 12. storage 13. interview room 14. mayoral office and suite 15. debating chamber 16. store for ticket office pavilion 17. streetfront office
The brief for this project asked for a medium scale public building in the small historic town of Tynemouth. From the range of buildings given as opportunities, the moot hall seemed to be exactly what Tynemouth needs - a town with centuries of history, never had its own unique local government unit to make it’s statement of civic pride. The aim was to create a nucleus of political activity in the hearth of the local community within a walking distance from everyone it serves (hence the choice of site- the Gibraltar rock at the end of the historic Front street). With a statement of civic status in its silhouette, the program of the building aims to maintain a consistant visual connectivity and transparency with the events happening once visited. The concept of “enclosed transparency“ was then enriched with the idea for “generated activities“ - giving opportunities for the local people to organise projects and activities from the people for themselves, allowing the notion of small opposing movements to appear - something crucial to provoke political activity on a local level. The program of the building suggests provision of a series of “shop fronts“- small shop-sized spaces to be rented for a minimum cost to local community groups. The whole building is fully accessible for anyone to use and additional provision for seating is given within the chamber volume for the more general public. Meeting spaces are scattered all around the building to give immediate opportunities for debate at any time anywhere in the building.
The massing silhouette attemmpts to make a conversation with the landscape using the language of the castle, embracing t he cliff and challenging it.
View from the coastal slope
Cross section a-a
Using the first 1:200 model, a number of experiments led to the idea of having a flat roof in the office block, mirroring the volumentric language of the castle.
Background image - 1:500 site model with diagramatic model. Above - 1:200 development model on site Above left/ Left - final 1:200 model on site, showing landscaping strategy.
Civic Centred project 3: Model making
Final 1:100 model The strip of photos above left shows an light study of the main hall volume. As the counsellors are going to be people with other main jobs, the council meeting are probably going to take place in the afternoon and hence the space is orientated to the south-west. The vertical timber sections act as a filter as well as structure to hold the glass, shielding the space from overheating and glare from the strong afternoon sun.
* Civic Centred project 3: Additional work and interiors Changes on the designs that were made after the end of the project reflect the recieved feedback as well as develop additional personal ideas. In general, the interiors are presented in order to finalize the persentation and complete the set of drawings that lacked in it by the end of the project. In terms of the composition of the building, in was pointed out that I did not emphasize enough the notion of the enclosed transparency and visual connectivity. The key problems that I identified in tehse terms were the staircase and the position of the exterior balcony. The first used to wrap around the elevator and therefore while passing through you would lose the desired constant visual connection. with the heavily glazed volume in around the main atrium. Furthermore, the experience of the curve, which is also a very important feature in the builing is also partially lost because you might visit the building without experiencing it at all. Therefore the proposed consists of:
Moving the staircase within the atrium volume and pushing the chamber and cafe part of the building one metre 1.
further away from the office part to accomodate that. The curved wall element is mirrored on the other side of the building and the entarnce is enlarged and no longer poorly hinted.
viewing platform is relocated on the east facade within the main volume of the
2. The external balcony -
chamber. The new terrace is much bigger and pleasent to visit, because it is no longer limited in view by the long walls of the chamber volume. This also allows for taking a full advantage from the views around giving a full panoramic view of the beautiful coast and including the castle.
3. In order to accomodate the terrace the shape of the roof above the chamber volume is changed. This allows a feeling
of openness and strengthens the connection between the east facade (facing the beach) and the cliff edge. The corner facing the public square becomes the highest, hinting the position of the main entrance.
Clockwise from top left:
1. View to the castle and beach from the cafe area. 2. Interior of the atrium with the changed position of the staircase. 3. Interior of debating chamber- new roof shape and terrace 4. Visual connection between the chamber and the balcony; access to the new terrace.
Street view and relation to East street.
04. Section Alley
project 4: Site and inspiration
The gritty realism of a narrow passageway attempting to retain its industrial past, whilst all around neighbouring buildings have been granted a new lease of life, or have lost their place to modern developments was the initial attraction we felt towards the â€œPlummer Chareâ€?. Due to lack of use, or useful prospects, this aged connection between the Quayside and higher ground displays an interesting combination of raw textures, eroding volumes and vintage mechanics. Attributes which combine to produce a truly atmospheric and underrated space - one which we felt desires human presence, and if granted such could become truly special.
1. 2-4. 5.
Plummer Chare aerial view Diagrams, showing sequence of enclosures and open spaces. Experiential collage
page 27 5.
Section Alley project 4: Final Design The installation consists of two separate parts that complete each other for the needs of the festival. The musicians are hosted on four platforms entirely suspended above ground, freeing up the alleyway and subsequently allowing pedestrianâ€™s flow undisrupted. The first platform is slightly offset from the buildings in the Quayside entrance. Visible from the street, it indicates that something is happening in this forgotten passage. The rest of the platforms are distributed between the two fire escape staircases. Their heights vary, each one matching with a staircase landing. The musicians will use temporary ladders that will be removed during the performance. The audience can choose to cross the alley observing the platforms from below or experience the different views from the staircase. The second part of the installation consists of curved timber sections placed vertically, forming a curtain. Three sections either side are attached to the ground, whilst the rest can be slid through a rail system on their base. The purpose of the design is multiple. First, it aims to temporarily â€˜healâ€™ the gap, produced by the creation of the car park area, which interrupts the strong enclosure of the site without blocking the access to it. Located along the west side of the alley, it provides comfortable seating for the audience in this narrow space, whilst offers interaction by the possibility of shaping seats and gaps. This flexible bench creates a unique atmosphere and offers an unexpected social experience as people are sliding into relations: one can adjust the distance between oneself and the other bench users. The new timber used for the installation contrasts with the old, eroded materials of the medieval chare. An extra element is the different depths of the sections causing a variation in sounds when the audience hits them using drum sticks provided from the festival. Provoking and playful, the temporary installation aims to build upon the lost opportunities of the chare to create an interactive and enjoyable environment for experimental music.
Above: Experimental models- study of light and shadow Far right: Sketches of design in place
The design interprets this place by combining he two principal tensions imposed on site: the linear movement through the alley and the verticality formed by the high buildings that line it. The latter is highlighted by the fire escape staircase located on the Quayside entrance.
Left: 1. front elevation of section - not to scale 2. side elevation of typical section not to scale 3. exploded axonometric of the wheel mechanism 4-5. advertising posters- interaction with the site
project 4: Cross section and detail
Right: cross section through fire escape stairs
The details on the left show an example section of the curtain element of our installation. The design was led by the idea of having an interactive moveable curtain which in turn needed to be supported on the top so that it provides a possibility of passing through the gaps which occur during the process. Two steel poles run through the top of the section, offsetted on both sides of the central line of the main load i.e. a person who may sit in the â€œchairâ€? formed by joining the three sections together. The continuous change of the thickness of the section along the vertical axis is partially a result of our conceptual aim of interaction with the installation (different sounds would be produced depending on where exactly do you hit the section itself with the drumstick), but also had to do with the structural reasoning - the section gets thicker where the greater sheer forces occur to prevent snapping.
Section Alley project 4: Model making 3-7.
Key: 1-2. 1:2 detail model 3-7. 1:100 site model 8. 1:100 full sectional model with 4 parts 9. complete left section 1:100 model collage 10. complete right section 1:100 model collage
11-15. 1:10 interactive model. This model demonstrates the sliding mechanism on a small scale, as one of the panels is moveable 16. advertising material - drumsticks key rings.
Section Alley project 4: Longitudinal sections
Above: East facing longitudinal section; not to scale; Far right: West facing longitudinal section; not to scale;
Non- Design module coursework
Rumen Dimov ��������� ARC ���� Technology Assessment Civic Centred- Moot Hall, site B- the Gibraltar Rock Access for all and means of escape page 45
Strategy - Access for All General Access and Parking
The Moot Hall is fully accessible for wheelchair users. Provision is given of two disabled car parking spaces with kerb dropped to street level. The building is designed to have a zero difference in level between the entrance storey and the site entry. Approach from street level entrance from to all the street entrances maintains a width of at least 1.8 m throughout. Provision of a ramp of a gradient 1:20 is provided for access from the entrance nearer to the car park with a full length of the going of less than 4m , hence it does not need a landing. A slip resistant surface is also be added as well as handrails on both sides of the ramp.
A common elevator provides the vertical accessibility for disabled people in the building. Maneuvering space of more than 1500x1500mm is located in front. Landing control buttons are 900mm above the ground level and provide tactile reading for visually impaired (along with all the signs throughout the building). A handrail at 900mm is situated inside the 1700mmx2500mm cabin. Door opening is of an effective clear width of 1200mm. Reflective surfaces are minimized to reduce discomfort for visually impaired.
Manually controlled powered entry doors (controlled via a push pad) are installed at the principal entrance of the building. The pad is located between 750 mm and 1000 mm so that they are in range of reach for people in wheelchairs and people of small stature. The accessible entrance from the parking has sliding powered doors with sensors installed in order to avoid the risks associated with swing doors, especially in the tight space in which the door is positioned. Both are provided with tactile paving in front. All the doors within the building, including all interior doors provide visual connection in order to avoid any collisions through either being completely made out of glass or in some instances – having vision panels between 500800 and 1150-1500mm. The second are labeled on the plans below (all doors not labeled are glass doors excep the ones in the WC, cleaners room and plant room). In order to comply with the regulations, the glazed entrance doors are going to be clearly defined by continuous bands of 50mm and being clearly differentiated by the rest of the glazed screen with a high-contrast strip. Internal doors including the ones in the toilets need less than 20N force to be opened on the leading edge. All the fire doors are held opened and close in case of fire threat or power supply failure. All lobbies and corridor comply with the dimensions regulations limits, providing at least 1200mm width and providing room for them to pass by each other (i.e. 1800mm wide sections).
The reception desk provides sufficient manoeuvering space for wheelchair users bigger than 1800x1200mm. A knee recess is provided 500mm deep and 700mm above floor level. A 1500mm section of the counter is lowered to 760 mm height. The reception point is provided with hearing enhancement system.
Strategy - Means of Escape General Considerations
Even if normally a fire alarm is not necessary for a non-residential building of the scale of the Moot Hall, one will be installed because fire could break out in an unoccupied part of the premises, which are part of the building that have been temporarily vacated i.e. the shop spaces on the Ground floor. A vibrating paging system for warning people with impaired hearing and sight is going to be installed in addition to the fire alarm installation along with visual indicators of blinking in red. Smoke and heat indicators are fitted throughout the whole building. Fire extinguishers are situated on each floor. All the glazing in the protected areas is fire-resistant glazing. Separate means of escape are provided for the different uses of the building - the administrative and assembly part, the café-restaurant and shop areas all have separate means of escape non-crossing and non-overlapping. To satisfy the regulations, the café-restaurant- has 2 escape routes, which lead directly to a storey exit.
Minimum escape route and door opening
One of the final exits on the ground floor is an automatic door, arranged to fail safely to outward opening from any position of opening. Interiorly, doors fitted with an automatic release mechanism will be installed in accordance with the Appendix B, para. 3b of the Approved Document B. Refuge points (1400mmx900mm) are provided at both first and second floor with a fitted EVC system. At the main entrance door merging flows have to take into account. Using the formula provided under paga. 3.21 page 38 of the Approved Document: W= ((402+15)/2.5+60x2.01)/80= 3.59 m The 3 storey building comprises of 3 storeys of public services and office (ground+2). The population is not distributed evenly- 337 (336,91) people occupy the first floor and 65 (65,55) people occupy the second floor. Both one of the staircases does not have lobby protection so discounting rules apply. The minimum width needed for the stairs serving the office floors with a population of 403 (402,46) people using simultaneous evacuation is: - For the stairs serving the second floor According to Table 4 page 37, minimum width should be 850 mm; according to Table 7, page 47 – 1000mm; for Table 6 – 1100mm wide. Using the formula described in paragraph 4.25 of the Approved Document B => P=65; n=1; From the formula: W= (65+15-15)/(150+50) = 325mm, but as the formula applies to stairs 1100mm or wider, we can assume that 1100 will be enough to comply with all the regulations. - For the stairs serving the first floor: According to Table 4- we get (337+65)x5= 2010 mm; using the formula on the other side: P=402; n=1 => W= (402+15-15)/(150+50) = 2010 mm; Therefore stairs between the second and first floors should be minimum 1100 and the stairs between first and ground floor – 2010 mm.
Provision of more than 1% of total seating is given for wheelchair users within the assembly hall. Additionally removable seating is located with flexibility to accommodate any other needs. A headphone system is also installed to assist people with impaired hearing.
In the main circulation staircase, a “corduroy” hazard warning surface is provided at top and bottom landings of the main circulation staircase. All the nosings are also marked by a contrasting material 55mm wide. The staircase also satisfies all the regulations relating the risers and goings, with a riser of 170mm and a going of a going of 300 mm. The handrail continues along the landings and is positioned 900 mm above the pitch line of the staircase. Guarding with cane detection is provided on the ground floor as well as on the on the first floor where door openings present a potential hazard for people with visual impairment.
The toilets comply with the regulations in terms of size of at least 1500x2200mm, located as near as possible to the principle entrance of the building. The doors open outwards and are fitted with light action privacy bolts. Grab rails are provided at 800mm and 680mm. The toilet also fitted with emergency alarm system, operated by a red-coloured cord with two ends at 800 and 100mm above the ground so that a person can operate it even if lying on the ground. page 46
Fire mains are going to be provided from the main pipework and within the volume of the protected staircase. In addition fire and rescue service vehicle access to the building is possible in more than 15 % of the perimeter of the building either from the main street or from the side of the main entrance façade. Also, the adjacent road provides all the necessary requirements for the access of a pump and even high reach, stated in pages 108-111 in the Approved Document Part B5 (the building falls in category of up to 2000 m2 floor area and over 11m high, according to table 19).
Site plan �-��� 2
A- Public Building
Key (emergency/ escape points) 1 - Delivery and service access 2 - Public bicycle storage 3 - Disabled parking Key (emergency/ escape points) 1 - Access for emergency services to A 2 - Access for emergency services to A 3 - Assembly point
Rumen Dimov ARC ���� Civic Centred Site Plan ��/��/���� Scale �:���
Second floor plan �-���
Key: 1- Balcony in assembly room 2- Terrace 3- Lobby
Key (escape routes): 1a - Balcony to external escape (5.9m) 1b - Balcony to internal escape (6.3 m)
Lift, contained in protected volume 1b
Protected Lobby and Stairs
door with visual panels
Rumen Dimov ARC ���� Civic Centred Second Floor Plan ��/��/���� Scale �:���
First floor plan �-���
Key: 1- Assembly room 2- Mayor’s Office 3- Interview Room 4- Meeting Room 5- Storage 6- Staff Common Room 7- Administrative Office
Wheelchair provision in assembly hall> 1% of total seating
Key (escape routes): 1a - Administrative office to external escape (27.9m) as an internal room 1b - Administrative office to internal escape (9.3 m) 1c - Administrative office to internal escape - secondary, due to not satisfying the 45 deg. rule (11.3 m) as an internal room 2a- Assembly room to internal escape (9.5 m) 2b-Assembly room to external escape (9.5 m)
Lift, contained in protected volume
fd Protected Lobby and Stairs
Guarding cane detection fd
Protected Lobby and Stairs
doors with visual panels
Rumen Dimov ARC ���� Civic Centred First Floor Plan ��/��/���� Scale �:��� page 49
Ground floor plan �-���
Key: 1- Cafe general area 2- Creche 3- Kitchen 4- Plant room 5- Interview room 6- WC with disabled provision both sexes 7- Cleaners room 8- Shop 9- Wating area 10- Storage
Key (escape routes): 1a - Cafe to public square (9,1m) 1b - Cafe to parking (10,0 m) 2a - Reception to parking (21,2 m) 2b -Reception to public square (16,4 m) 3 - Shop to main street (4.1); similar for the other 4
Lift, contained in protected volume 1a Protected Lobby and Stairs fd 3 2b
Guarding cane detection
door with visual panels 6 2a 1:20 ramp access
1.5m metre provision of lowered reception space
Rumen Dimov ARC ���� Civic Centred Ground Floor Plan ��/��/���� Scale �:��� page 50