Introduction External Circulation Internal Connectivity Front of the House House Control Room Stage Backstage Lighting Fire Safety Acoustics Sound

1. CASE STUDY
(AUDITORIUM)
Submitted By:
Amit Jakhad (14010)
Mansi Pushpakar (14034)
Prerna Chouhan (14044)
Sahil (14048)
Shikhar Singh (14059)

2. Sabras Auditorium
Post Graduate Government College for Girls
Sector 42
Chandigarh, 160036
Dr. BR Ambedkar
Auditorium
Panjab University Law Deptt
Sector 14
Chandigarh, 160014

3. Sabras Auditorium
• Capacity – 598 Patrons
• Form – Proscenium theatre
• Orientation – South East facing
• Climate – Tropical
• Topography – Flat
• Purpose – College Auditorium
• Parking – College Parking
• Basement – No
• Facilities – Greenrooms
Restrooms
Fire Safety
Dr. BR Ambedkar Auditorium
• Capacity – 823 Patrons
• Form – Thrust theatre
• Orientation - South West facing
• Climate - Tropical
• Topography – Flat
• Purpose – University Auditorium
• Parking – Roadside Parking
• Basement – Yes
• Facilities – Greenrooms
Restrooms
Fire Safety
INTRODUCTION

4. EXTERNAL CIRCULATION
Sabras Auditorium
MAIN ENTRANCE
PARKING
AUDITORIUM ENTRY
• Students and visitors parking provided
• Front lawn with maintained landscape
• Paved pathways
• Connected with college by covered pathway

5. EXTERNAL CIRCULATION
Dr. BR Ambedkar Auditorium
• Roadside parking
• Areas connected with paved pathways and roads
• Entrance porch provided
• Connecting roads covered with avenue
PARKING
AUDITORIUM ENTRY

6. INTERNAL CONNECTIVITY
Sabras Auditorium
1. Entrance Verandah
2. Foyer
3. Stage
4. Green Rooms with
attached washrooms
5. stage Control Room
6. House
7. Control Room
1
2
3
4
2
5
6 7

7. Dr. BR Ambedkar Auditorium
INTERNAL CONNECTIVITY
1. Entrance
2. Lobby
3. Stage
4. Green Rooms with
attached washrooms
5. House
6. Balcony
7. Control Room
Basement
Ground Floor
1 2 3
4
4
5 76

8. FRONT OF THE HOUSE
Sabras Auditorium Dr. BR Ambedkar Auditorium
• Entrance through corridor via verandah
• Verandah acts as waiting area
• Entry/Exit foyer provided on both side of the
auditorium
• Entrance through corridor via lobby
• Lobby surrounded by glass panes
• Lobby is directly connected with house,
stage and green rooms

9. HOUSE
• Capacity: 598 patrons
• Total number of Entry/Exit are 4
• Door size (1800 x 2100)
• Entry/Exit No. 1 & 2 are also for physically disabled
• Height of the ceiling is around 8m to 9m
• Minimum ceiling height is 4m (at the backside)
• Aisle width: 1.4mm
• Aisle is after 9 seats from the door
• Gangway size: 1m
• Forestage area is 2.4m wide
• Chair dimensions 450mm x 450mm
Sabras Auditorium (Seating)

10. HOUSE
Sabras Auditorium (Ceiling)
• Ceiling is divided into different levels
• Covered with soft glass wool panels
• Light and AC ducts are provided in the ceiling
Ceiling light plan

11. HOUSE
Sabras Auditorium (Walls and Floor)
• Walls are made up of brick
• Exterior walls are of exposed brick work
• Interior walls of the auditorium is acoustically treated with soft board, cotton cloth and laminated soft board planks
• Decorated with paintings and murals
• Stage floor is made up of hard wood and vinyl sheets with wooden texture is provided in the house other areas is finished
with granite
EXTERIOR WALL INTERIOR WALL VINYL FLOOR HARD WOOD FLOOR

12. HOUSE
Dr. BR Ambedkar Auditorium (Seating)
• Capacity: 823 patrons
• 664 in the lower house and 159 in the balcony
• Total number of Entry/Exit are 4 and 2 for balcony
• Door size (1200 x 2100)
• Height of the ceiling is around 8m to 9m
• Minimum ceiling height is 2m (at the backside)
• Aisle width: 1.4mm
• Aisle is after 9 seats from the door
• Forestage area is 1.2m wide
• Chair dimensions 450mm x 450mm
• Seats are cover with leather and wooden handrail

13. HOUSE
Dr. BR Ambedkar Auditorium (Ceiling)
• Dome is provided at the top
• Exposed concrete roof
• No light arrangement in the ceiling
• Geometrical forms are hangs through the
ceiling for acoustic purpose
• Baffles provided
in the ceiling

14. HOUSE
Dr. BR Ambedkar Auditorium (Walls and Floor)
• Walls are made up of brick and concrete
• Exterior walls are of concrete and covered with red sandstone
• Interior walls of the auditorium is acoustically treated with perforated wooden sheets
• Stage floor is made up of hard wood and house floor is made up of concrete other
areas is finished with granite
EXTERIOR WALL INTERIOR WALL HARD WOOD FLOOR

15. CONTROL ROOM
Sabras Auditorium
• Control room is provided at the back of the
house
• Area: 8’3” x 25’
• Floors and walls are covered with carpet
• Used for lighting and sound control
Dr. BR Ambedkar Auditorium
• Control room is provided at the balcony level
• Walls are made up of wooden panels
• Used for lighting and sound control

16. STAGE
18’
9’
7’ 7’30’-11”
Sabras Auditorium (Main Stage)
• Stage Height: 3 feet
• Height of Proscenium: 13 feet
• Wing Space: 7 feet
• Length of side wings: 3’-6”
• Backside walkway: 7 feet
• Flooring: Wooden
Stairs Stairs
Exit Exit7’ wide walkway
Side Wings
Wing Space
Main Stage
Apron

17. STAGE
Sabras Auditorium (Main Stage)
• Side wings and wing space provided for on-stage props during the performance
• Scenery provided at the middle of the stage
• Stairs provided at both the sides to approach the stage
Side wings 3’-6” Stairs to stage
Width – 3’-6”
Proscenium Opening

18. STAGE
Sabras Auditorium (Main Stage)
• Fly loft – 3’ high
• Counterweight pulleys provided for theatrical rigging of curtains
• Projector with lighting provided for screening on stage
• The surrounding walls of the stage are finished with acoustical material
(wall fabric and wood)
Wing SpaceFly loft space for lighting and curtains

19. BACKSTAGE
Sabras Auditorium (Green Rooms)
• Size: 10’-6” x 11’-10”
• Clear height: 8 feet
• Width of dressing table: 1’-8”
• Height of dressing table: 2’-6”
• Two greenrooms provided with attached washroom on
ground and 1st floor
• Six number of people can use the room at a single time
• Wall finishing done with wood and wall fabric
• More use of mirror inside the greenrooms

20. BACKSTAGE
Sabras Auditorium
• Fire exit provided from the backstage: 3 feet wide
• Backstage approaches the 1st floor to the second greenroom and light controls
• 7 feet wide backside walkway
• Low-height ceiling
Drawbacks
• No rehearsal rooms provided
• Not enough space in greenrooms
• Width of fire exit is too less
• No separate route for stage services
or performers except fire exit
• No storage space provided for extra
props and costumes

21. STAGE
Dr. BR Ambedkar Auditorium (Main Stage)
• Stage Height: 2’-10”
• Height of Proscenium: 12 feet
• Direct entrance for performers provided from lobby to
stage and greenrooms
24’-6”
38’-4”
Door: 3’-6”Door: 3’-6”
Stairs Stairs Riser: 8”
Tread: 10”
Width: 2’-3”
Side Wings
Wing Space
• Length of side wings: 3’-6”
• Staircase provided from stage to the greenrooms in basement
• Flooring: Wooden

22. STAGE
• Side wings and wing space provided for
on-stage props during the performance
• Scenery space provided at the middle of
the stage
• Stairs provided at both the sides to approach
the stage
• No extra treatment to walls given for better
acoustics
• Projector provided for display on stage
scenery
Dr. BR Ambedkar Auditorium (Main Stage)
Proscenium Opening

23. STAGE
• Height of fly loft: 4 feet
• Counterweight pulleys provided for theatrical
rigging of curtains
• Lack of different types of lighting like Fresnel,
cove, scoop, FAR etc.
Dr. BR Ambedkar Auditorium (Main Stage)
Fly loft space for lighting and curtains

24. BACKSTAGE
Dr. BR Ambedkar Auditorium (Green Rooms)
• Separate greenroom-cum-washroom for men and women provided in the basement connected with stage and lobby
• Fanlight for proper light ventilation
• No proper treatment for acoustics
• Width of connecting staircase: 5 feet
• Height of dressing slab: 3 feet
• Space for storage provided, but not in use at present
• Door width: 3’-6”
• Size: 20’-6” x 12’-0”
• Clear height: 12 feet

25. LIGHTING
Sabras Auditorium
• PAR, Ellipsoidal, Scoop and sport lights are used in stage lighting
• Sport lights facing stage were provided on the celling of house
• LED celling lights are used in the celling of house
• Lights on steps
• Led celling lights were provided in backstage
Lighting plan

26. LIGHTING
Dr. BR Ambedkar Auditorium
• Simple hanging bulb lamps were used in stage lighting
• Sport lights facing stage were provided on the celling of house
• LED celling lights were hanging from the celling of house
• No lights on steps
• Led celling lights were provided in balcony
• No sufficient and up-to-date lighting was done

27. Fire safety
Sabras Auditorium
• There were three fire exits in the house. Two at the back and one in the front
• There was one fire exit in the backstage of less width
• There were smoke detectors and fire radiation detectors placed on the celling and walls of house
• Fire alarm was placed inside and outside the auditorium
• Fire extinguishers in sufficient amount were placed both inside and outside the auditorium

28. Fire safety
Dr. BR Ambedkar Auditorium
• There was only one fire exits in the house
• No smoke detectors were placed in the auditorium
• No Fire alarm was placed inside and outside the auditorium
• Fire extinguishers in insufficient amount were placed only inside the auditorium

29. Acoustic material
Sabras Auditorium
• Acoustic fabric wall covering
• Sound absorbing celling tiles
• Sound absorbing wooden panels

30. Acoustic material
Dr. BR Ambedkar Auditorium
• Wooden wall covering
• Sound absorbing celling shape
• Back wall treated with sound absorbing white printable panels
• Pyramidal sound diffusers hanging from the celling

31. Sound
Sabras Auditorium
• Total of 6 speakers facing audience were hanged with the celling
near stage
• Speakers were placed at the edges of stage for performers
• Base tube was placed inside the stage facing audience at centre

32. Sound
Dr. BR Ambedkar Auditorium
• Only 3 speakers in total were hanging in front of stage facing audience