Vishnudas bhave auditorium, vashi - ACOUSTICS - AUDITORIUM - MUMBAI

VASHI

VISHNUDAS BHAVE

AUDITORIUM

Location :

• Sector 16, Vashi, Navi

• The site occupies an area of

51,000 sq. ft. of built-up space.

• Vashi Railway station : 1.5km.

Context:

• Vashi Bus Depot : Opposite to

Vishnudas Bhave.

• The site lies in a residential cum

commercial area.

SITE

SITE LAYOUT

•There are 4 entries to the site.

•Two main entries and two service entries.

•It has 51000 sq ft of built up space.

A

B

VIEW FROM A

VIEW FROM B

PARKING

•The vehicles enter the site via the main entry gate (1).

•Number of 4 wheelers that can be parked at a time : 75

•2 wheelers were also parked on the periphery.

A

B

VIEW FROM A

VIEW FROM B

1

•The had a designed storm water drainage

system.

•Storm water gutters ran through the

periphery of the complex.

•The depth of the gutters are approximately

50 cm.

•These gutters connected to the main gutters

on the roads.

SERVICES

Storm water drain

OPEN SPACE AND LANDSCAPELANDSCAPE:

• The centre has a small designed

garden near to the entry to the

auditorium.

• The garden had a small sculpture

along with lawn n shrubs.

• The site had gulmohar, palm, mango,

badam trees.

OPEN SPACES:

• The open spaces were at the periphery.

• These spaces were not used for any specific function.

-Green space.

•Vishnudas Bhave auditorium was

designed was opened in 1997.

•Major hub for various theatre and

other cultural activities.

•It was built in honor of Vishnudas

Bhave.

•It is a fan shaped theater.

•The theatre has a rotating stage.

•It has a capacity of 1072 viewers in

two tiers.

•It has excellent acoustics.

•The theater also has a balcony

level seating's.

•The theatre is centrally air-

conditioned.

•The height of the auditorium is

12m.

VISHNUDAS BHAVE

AUDITORIUM

• The auditorium had 5 entries

and 4 exits.

• The entry for the performers

was separate.

• The balcony seats had a

separate entry/exit doors from

the 2ndst floor.

• There is a foyer at the first floor

and second floor level.

• Height of the lobby at both

levels is 4m.

• Two emergency exit are

provided near the stage and the

bay.

ENTRY

PLAN

22

11 – ROTATING STAGE

2 - GREEN ROOM

3 - VIP ROOM

4 - STAGE OPERATING

AREA

5 – LADIES TOILET

6 - SERVICE ENTRY

7 – BACKSTAGE ENTRY

FOR LOBBY

3

4

5

6

BACKSTAGE

7

SECTION

•The total seating capacity of the

theatre is 1500.

•The theatre is fan shaped, hence

the seating arrangements are divided

into four equal segments.

•The 1st row of each segment has 7

seats and the last row has 11 seats.

•There are total 13 rows.

•The five aisles divided the segments

into four parts.

SEATING

400mm

750mm

• The walls were prepared in a

simple manner.

• The materials used for the walls

are stone(marbles), p.o.p etc.

• The special acoustic forms are

made up of high density

compressed plaster(P.O.P) for the

ceiling.

• Wooden panels are also used in

the auditorium. These panels are

filled with coconut hair as it is a

good reflector.

WALLS AND CEILING

• The Semi-circular stage has proper curtains and fins.

• The inner portion( up to 7m diameter) is

rotatable.

• The outer portion of the stage is fixed.

• It rotates 180 degree in 75 sec .

• It is electronically controlled. The stage has fixtures to

hold focus lights.

Size:

• The radius of the semi-circular stage is 7mm.

Floor:

• Hardwood timber flooring.

STAGE

FLOORING

• The flooring was carpet covered over the rcc.

FUCTIONING OF THE REVOLVING STAGE

•When the machine is turned on, the wheel revolves

around the circular track.

LIGHTING

•No catwalk was provided.

•Everything was operated

using the machines.

•Halogen Lights were

placed in rows.

•It was brought down using the

switches.

•Focus light stands were

provided on the auditorium

walls.

LIGHTS

AIR HANDLING UNIT

Located beneath the Auditorium.

Consists of chiller, compressor, condenser, cooling tower.

OTHER SERVICES

•WATER PUMP

•LOCATED BENEATH THE AUDITORIUM•ELECTRICAL PANELS

FIRE FIGHTING

HOSE REEL ALARM FIRE EXTINGUISHER

TATA THEATRE

SITE

LOCATION:

• NCPA marg, South Mumbai.

• The NCPA complex occupies an area of

about 3200 m.sq at Nariman point on land

reclaimed from the sea.

• The site can be accessed through six gates, the

site is divided into six major blocks.

CONTEXT:

• The site is located in commercial area.

• It is surrounded by hotels, offices, residential

buildings.

• Oberoi hotel and Mantralaya are the main

landmarks.

SITE LAYOUT

A – Tata theatre

B – Jamshed Bhabha theatre

C – Main administrative office

D – Teaching and research block(libraries)

E – Experimental theatres

F – Godrej dance academy theatre

G – Open air plaza

R – Residence (includes staff residences,

guest rooms and NCPA apartments.

• ACCESS :

Total number of entrances : 6

Main entrance : Gate no.1 and Gate No.2

Service entry : Gate no.4

• PARKING:

Common basement parking.

Reserved parking spaces.

SERVICES

• The whole NCPA complex had a well

designed storm water drainage system.

• Storm water gutters ran through the

periphery of the complex.

• The depth of the gutters are

approximately 1.2m to match the sea

level according to the slope.

• IC’s were placed at 1.2m from the

structure at a distance of around 4.5m to

7m.

Storm water gutters

PARKING

• The NCPA CENTRE WAS overall

provided with a basement

parking area.

• Separate parking area near the

theatres were also provided for

VIPs'.

• These parking consisted on

maximum 6 car parking lots.

• Parking were mainly near

Gate 4 (VIP parking)

Gate 3

Gate 1

parking

OPEN SPACE AND

LANDSCAPE

LANDSCAPE:

• The NCPA centre has many designed

gardens.

• The gardens were designed in a simple

way using only lawn, trees and minimal

number of shrubs.

• There were gardens near all the

theatres(auditoriums).

OPEN SPACES:

• The main open space was at the centre

of the NCPA.

• The open spaces near the theatres

were also used as waiting areas.

TATA THEATRE

• Tata theatre was designed by Ar. Philip

Johnson and the legendary acoustician Cyril

Harris.

• It was opened in 1982.

• It was the first theatre designed in India.

• It is a fan shaped amphitheater with excellent

acoustics.

• Suitable for chamber music concert, dance,

drama

and film screening.

• The theatre has a rotating stage.

• It can accommodate 1010 people .

• It has excellent acoustics.

• The theatre is centrally air-conditioned.

• The height of the auditorium is 15m.

ENTRY

TO TATA THEATRE

• There are two separate entrances, one for the

performers and the other for the audiences.

• The entry for the performers were also used as

the service entry.

• There is a truck loading unloading dock ramp.

• There was a small courtyard garden next to the

entrance.

TO THE AUDITORIUM

• There are foyer at two level.

• Size: 77m x 7.5m width

• Height of the lower lobby is 9.6m

• Height of the upper lobby is 6m.

• There are six entry/exit doors from the main

foyer.

• Two emergency exit are provided near the stage.

GREEN ROOM• There were a total of 6

green rooms.

• Each green room

consisted of one toilet.

BACKSTAGE AREAThe backstage area consisted of

• All technical rooms

• The main entry for the performers

• A store area

• Green rooms

• Entry to the sea view room

• Waiting area for the performers

SEATING• The total seating capacity of the theatre is 1010.

• The theatre is fan shaped, hence the seating arrangements are

divided into five equal segments.

• Each bay consists of 202 seats.

• The seating is radial in nature.

• The 1st row of each segment has 7 seats and the last row has 16 seats.

• The six aisles divided the segments into five parts.

350mm

850mm

300mm

150mm

600mm

450mm

800

mm

PLAN

SECTION

WALLS AND CEILING

Walls:

• The walls and ceiling had a basic wooden

framework.

• These framework(panels) had alternate

concave and convex triangular forms

which ensured even distribution of sound

over the entire auditorium.

• These projections come out from the

sides of the walls. They are hollow and

may act as resonators.

• These are surfaces which help in the

dispersion of sound.

• The special acoustic forms are made up

of high density compressed plaster(P.O.P).

• Due to these special acoustic methods,

the voice is naturally audible at any place

in the auditorium without any mikes or

sound systems.

2.5m

1m

Sprinklers were

placed at a distance

of 4m on the ceiling.

Ac blowers.

Triangular projections

CEILING

CEILING PLAN

POSITION OF THE CEILING LIGHTS AND AC BLOWERS

FLOORING

• R.C.C floor is covered with woollen carpet.

• Woollen carpets are absorptive in nature.

• The carpet is 80% wool and 20% nylon.

STAGEType:

• Semi-circular stage

• No curtains and fins.

• The inner portion( upto 4.7m radius) is

rotatable.

• The outer portion of the stage is fixed.

• It rotates 180 degree in 80 secs and is

electronically controlled.

Size:

• The radius of the semicircular stage is 7m.

Floor:

• Hardwood timber flooring over concrete.

LIGHTING

• A good number of lighting fixtures

are oriented on the stage covering

all angles possible.

• There are halogen lights on the

ceiling over the seating area for the

audience.

• These lights are of different types,

qualities, intensities, colour etc. eg-

halogen lights, spot lights, focus

lights.

• There were total 64 lights on the

ceiling.

• Position of the lights depends on the

area to be covered and their

intensities.

• These lights can be dimmed or

brightened as per requirements.

• The lighting over the stage also had

fixtures to hang the focus lights.

AIR-CONDITIONING

•The ceiling had a 10ft duct over for the pipelines.

•The auditorium was centrally air-conditioned.

•The blowers were on the wooden frame of the ceiling.

•The ac plant was in the basement of the auditorium.

•These were connected through pipelines to the main ac

plants in the AHU(air handling unit) room.

-RUCHA GUPTE

-SHRADDHA INDULKAR

-KETKI MAHAJAN

-AKSHATA MARATHE

-APARNA PILLAI

-AMRITA SHENOI