The document provides details about the National Centre for the Performing Arts (NCPA) located in Mumbai, India. It was established in 1959 and designed by architects Philip Johnson and Patel Batliwala. The center has multiple theaters including the 1010-seat Tata Theater, which opened in 1982 and was designed with special acoustic treatments in the walls and ceiling to evenly distribute sound. It also has areas for performances, administration, teaching, galleries, and amenities.

1. NATIONAL CENTRE
FOR THE PERFOMING ART
MUMBAI
N.C.P.A

2. INTRODUCTION
• EST. IN - 1959
• ARCHITECTS - PHILLIP JHONSON & PATEL BATLIWALA
• FOUNDER – DR. JAMSHED J. BHABHA
LOCATION
• THE SITE IS SITUATED AT N.C.P.A MARG, SOUTH MUMBAI.
• THE SITE IS LOCATED IN COMMERCIAL AREA
• N.C.P.A IS SURROUNDED BY HOTEL AND MALLS
• ENTRY - 6 GATES
• THE SITE IS DIVIDED INTO 6 BLOCKS
• AREA – 3200m2

3. AREAS OF N.C.P.A
• TATA THEATER
• JHAMSHED BHABHA THEATER
• MAIN ADMINISTRATIVE OFFICE
• TEACHING AND REASERCH BLOCK
• EXPERIMENTAL THEATER
• GODREJ DANCE ACEDEMY THEATER
• BLACK BOX
• ART GALLERY
• STAFF AND GUEST ROOMS AND N.C.P.A APARTMENTS
• CAFÉ
• LIBRARY
• GREEN ROOM
• KICHTEN
• RECEPTION
• OPEN AIR THEATER

4. TATA THEATER
• DESIGNED BY PHILLIP JHONSON & ACOUSTICIAN CYRIL HARRIS
• OPENED IN 1982
• SEATING CAPACITY 1010 PERSONS
• FOYER CAPACITY 500 – 600 PERSONS
• SIX ENTRY SEATINGS
• FOR MUSIC CONCERT , DANCE AND DRAMA
• ROTATING STAGE
• 6 GREEN ROOMS WITH ATTACHED TOILET
• SEA VIEW ROOM
• TECHINICAL ROOMS
• STORE ROOM
• WAITING AREA FOR THE PERFORMERS
• ELEVATORS FOR HANDICAPPED
• THE HEIGHT OF THE AUDITORIUM IS 15 M

6. ENTRY
• THERE ARE SEPARATE ENTRANCES ,
ONE FOR THE PERFORMERS AND THE
OTHER FOR THE AUDIENCES.
• THE ENTRY FOR THE PERFORMER
WERE ALSO USED AS THE SERVIECE ENTRY.
• TWO EMERGENCY EXIT ARE PROVIDED
NEAR THE STAGE.
BACKSTAGE AREA
• ALL TECHNICAL ROOMS
• THE MAIN ENTRY FOR PERFORMERS
• STORE AREA
• ENTRY TO THE SEA VIEW ROOM

7. SEATING ARRANGEMENT
• THE THEATER IS FAN SHAPED , THE SEATING ARRANGEMENT IS DIVIDED INTO FIVE EQUAL PART
• SEATING CAPACITY IS 1010 PERSONS
• EACH BAY CONSISTS OF 202 SEATS
• SIX AISLES DIVIDED
150 MM
850 MM
800 MM
350 MM
450 MM
300 MM
600 MM

8. • 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.6
WALLS AND CEILING

9. Sprinklers were
placed at
a distance of 4m on
the ceiling.
AC BLOWERS
2.5M
1 M
CEILING SERIVICS

10. • POSITION OF THE CEILING LIGHTS AND AC BLOWERS
CEILING PLAN
• TYPES OF LIGHTS - HALOGEN AND WARM YELLOW LIGHT

11. • A GOOD NUMBER OF LIGHTING FIXTURES ARE ORIENTED
ON THE STAGE COVERING ALL ANGLES
• THERE ARE HALOGEN LIGHTS ON THE CEILING OVER THE
SEATING AREA
• 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
• THESE LIGHTS CAN BE DIMMED OR BRIGHTENED AS PER
REQUIREMENTS
• THE LIGHTING OVER THE STAGE ALSO HAD FIXTURES TO
HANG THE FOCUS LIGHTS
LIGHTING

12. FLOORING
•R.C.C FLOOR IS COVERED WITH WOOLLEN CARPET.
STAGE
• SEMI-CIRCULAR STAGE
• NO CURTAINS AND FINS
• THE INNER PORTION (UPTO4.7M RADIUS) IS ROTATABLE
• THE OUTER PORTION OF THE STAGE IS FIXED
• IT ROTATES 180 DEGREE IN 80 SECS
• THE RADIUS OF THE SEMICIRCULAR STAGE IS 7M
STAGE FLOOR:
•HARDWOOD TIMBER FLOORING OVER CONCRETE

13. • 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.
AIR-CONDITIONING