1. Case studies of residential cum commercial buildings in Ranchi, i.e., Jascon Plaza, and Narsaria Tower. 2. Case study of Ranchi Club in order to have a study of amenities to be provided in design of building. 3. Case Study of Blessington Heights, Ranchi, for its services. 4. Case Study of Hotel Radisson Blu, Ranchi, for its elevated swimming pool, and other recreational facilities. 5. Literature Study of Spanish Gardens, Guwahati, a residential cum commercial complex. 6.Literature Study of UniTech Warehouse, Kolkata, for the study of commercial spaces.

1. Residential cum
Commercial Building
Case Studies and Literature Studies

2. Case Study I
Jascon Plaza, Ranchi

3. Introduction
 Name of the Building: Jascon Plaza
 Period of Construction: 2002-2005
 Architect: Skyscrapers, Ranchi
 Builder: Jascon Inter-Build, Ranchi
 Style of Architecture: Contemporary
Architecture
 G+5
 Users: 55 Residential
100 Commercial
 Number of flats: 19 flats

4. Background
 Foundation: R.C.C. Raft Foundation
 Structure: R.C.C. Frame Structure
 Flooring: Kota/Marble Flooring
 Plaster: In cement mortar, 1:6 on brick work and 1:4 on R.C.C.
 Doors: Wooden
 Windows: Aluminium windows with glass shutters
 Rolling Shutters for shops
 Walls and ceilings: Distemper/P.O.P.

5. Site and Location
 Location: Dangra Toli, Opposite Pantaloons, Ranchi
 Site Accessibility:
 Khadgara Bus Stand: 1.3 km
 Ranchi Railway Station: 2.8 km
 Birsa Munda Airport: 8.4 km
 Surrounding Landuse: Commercial Buildings and
Apartments
 Present Status: All occupied and functional
 Maintenance: Poor

6. Site Plan

7. Climatological Aspects
 Climate: Composite, Tropical
 Physiological Data: Minimal foliage
 Solar Control: Poor Daylighting
 Ventilation: Inadequate

8. Planning, Circulation and Functions
Entry/Exit
3m wide corridor

9. Residential Floor Plans
2nd
, 3rd
, and 4th
Floors

10. Users
 Number of users: 55(Residential) and 100(Commercial)
 Visual Impact:
 Commercial floors; a chaos of boards and banners
 Residential floors; a rather good aesthetic appeal
 Users’ Reaction:
 Well connected to all transport nodes
 In the heart of the city
 Entrance through the basement for residence
 Unwelcoming Lobby
 Confusing and misguiding circulation
 Lack of day-lighting

11. Parking
 Commercial: In front of the building (provision for 5 four-wheelers)
 Residential: Basement (provision for 15 four-wheelers)

12. Internal Facilities Provided
 Security:
 CCTV camera with connection to each flat
 Intercom facility
 Electrical Duct: Not in immediate visibility
 Garbage Shoot: In the set-back
 Ramp: No ramps
 Lifts: Blocked for commercial floors(1 lift)
 Fire Escape Staircase: Available(locked at commercial levels)

13. Fire escape staircase locked at
commercial level
Lift from basement
Only for Residential use

14.  Landscape: No landscaping Features
 Air Conditioning System: Individual as per requirement
 Sewerage System :
 Septic Tank in rear setback
 No purification done before letting off
 Fire Protection :
 No fire fighting tanks
 No detection system
 No sprinkler system
 Not enough setback for fire truck
 1.2 m staircase width

15. Major Drawbacks
 Entry/exit common with 1 car width

16.  Switch Room in the basement

17.  No entrance lobby

18.  Main staircase does not have any exterior wall

19.  No natural lighting and ventilation in commercial area
 Dark public lobbies at residential levels
 No fire fighting provision
 Improper security
 Minimal Landscaping
 Misguided vertical circulation
 Not universally accessible

20. Other Services
 Overhead Tank
 One tank of 20,000 ltr capacity.
 Three tanks of 1000 ltr capacity each.
 Generator
 Capacity of 40 kV
 Septic Tank
 Two nos of 50 users each.
Lift Room

21. Generator (on the roof)
Overhead Tank

22. Services
 Kitchen:
 5’0” Glaze Tiles Dado
 Granite Counters
 Stainless Steel Sink
 Toilets :
 7’0” Printed Tiles Dado
 E.W.C. in all toilets
 Concealed G.I. pipes
 Single Lever Jaquar Fittings
 Electricals :
 Concealed P.V.C. pipes with conduit wiring
 Finolex
 Modular Opala switches
 Wiring for Air Conditioners
 3 phase wiring
 Generator : 300 extra watts per flat other than common services

24. Case Study 2
Narsaria Tower, Ranchi

25. Introduction
 Name of the Building: Narsaria Tower
 Period of Construction: 2001-2006
 Architect: B K Verma and Associates
 Builder: BABA Constructions
 Style of Architecture: Contemporary
Architecture

26. Site and Location
 Location: Opp. Lalpur Thana, HB Road, Ranchi
 Site Accessibility:
 Khadgara Bus Stand: 2.1 km
 Ranchi Railway Station: 3.4 km
 Birsa Munda Airport: 9.2 km
 Surrounding Landuse: Commercial Buildings and Apartments
 Present Status: All occupied and functional
 Maintenance: Poor

27. Climatological Aspects
 Climate: Composite, Tropical
 Physiological Data: Minimal foliage
 Solar Control:
 Poor Day-lighting for commercial and residential lobbies
 Proper day-lighting for flats and stairway
 Ventilation: Adequate
 Despite tropical climate, Ranchi has a relatively cool climate due to its elevation and
surrounding dense vegetation.
 Most of the rainfall received during Monsoon.
 Monsoon is prolonged.
 There is major difference in summer and winter temperatures.
 Humidity is moderate and mostly within comfort zone.
 Wind Speed is also generally moderate.

29. Background
 Foundation: R.C.C. Raft Foundation
 Structure: R.C.C. Frame Structure
 Flooring: Mosaic Flooring
 Plaster: In cement mortar, 1:6 on brick work and 1:4 on R.C.C.
 Doors: Wooden
 Windows: Aluminium windows with glass shutters
 Rolling Shutters for shops
 Walls and ceilings: Distemper/P.O.P.
 Concrete Grade: M20
 Brick masonry work for walls

30. Site Details
 Topography: Almost even land
 Boring:
 Diameter 150mm
 Depth: 6 m
 2 Boreholes
 Water Table: 1.7 mtr below G.L. as in March,
2002

31. Land Analysis
 Soil Analysis
Depth (m) Soil Type Consistency Classification
0-1.5 Yellowish Silt Clay Medium C1
1.5-3.0 Yellowish Silt Clay Stiff C1
1.5-6.0 Yellowish Sandy Silt Clay Stiff C1

32. Site Plan
Existing Main Drain

33. Planning, Circulation and Functions
Basement plan

34. Ground and 1st
Floor Plan

35. 2nd
Floor Plan

36. 3rd
, 4th
and 5th
Floor Plans

37. Area Statement
FLOOR USES BUILT UP AREA (in m)
WITHIN SET BACKS PROJECTIONS
TOTAL (in m)
Basement
(Residential)
Parking
Stair
Lift
533.17
17.07
4.12
_____
554.36
G+0 Shop(Commercial)
Stair+Lift
(Residential)
533.17
21.19 _____ 554.36
G+1 Shops(Commercial)
Stair+Lift
(Residential)
510.87
21.19 _____ 532.06
G+2 Offices(Comm.)
Stair+Lift
(Residential)
533.17
21.19
39.25
593.61
G+3 Apartments 554.36 25.93 580.29
G+4 Apartments 554.36 25.93 580.29
G+5 Apartments 554.36 25.93 580.29

38. Septic Tank
 Capacity of Septic Tank required
for flats:
 No. of users for flats: 75
 No. of users for commercial
areas: 50
 Total users: 125
 Septic tank provided: 3 for 50
users each

39. Car Parking
Flat Number of
Flats
Built up Area
(sqm)
Carpet Area Number of Car Parking
as per Bye-Laws
A 3 151.58 75.79 3
B 3 142.19 71.09 1.5
C 3 114.19 57.43 1.5
D 3 99.44 49.2 -
E 3 72.21 36.11 -
Total number of car parking required as per bye laws=6
Total number of car parking provided=15
2. Commercial Car Parking In the set back Area
Total built-up area=1616.46 sqm
Carpet area=808.23 sqm
Car parking required=8
1. Residential Car Parking in the Basement

41. Overhead Tank
1. Requirement of water for flats
Total number of flats=15
Total number of occupants @ 5persons/flat=75
Total quantity of water required per day @
135l/person/day=10,125l
2. Requirement of water for commercial areas
Number of users=160
Total quantity of water required per day @
45l/person/day=7200l
3. Total requirement of water per day=17,325l
4. Overhead Water Tank Capacity=20,000l

42. Water Filter on Roof top

43. Structural Details
Column and beam layout

44. Foundation Details
 Depth below G.L.: 3.2 m
 Width: 2 m
 Allowable Bearing
Capacity: 16.5 T per sqm
 Maximum Expected
Settlement: 60mm

45. Basement Details

46. Internal Facilities Provided
 Security:
 Guard room
 Separate Entry and exit for Commercial and Residential units
 Electrical Duct: Visible on every floor (size: 600mmX1525mm)
 Garbage Chute: Not provided
 Lifts: Separate for Commercial and residential units
 Residential: 1625x1425mm
 Commercial: 1625x1625mm
 Fire Escape Staircase: Provided (600mm Wide)

47. Ramp: Only in basement
Commercial Lift
1625x1625 mm

48. Sunk below lift to collect run-off water in basement

49. Staircase Details
Louvers in Staircase Residential Staircase

50. Fire escape Stair Case

51. Residential Staircase
Emergency
Staircase
Commercial Staircase

52. Section

53.  Landscape: No landscaping Features
 Air Conditioning System: Individual as per
requirement
 Sewerage System :
 Septic Tank in side setback
 Fire Protection :
 Complete Fire Protection and Fighting System
 Detection system provided
 Fire fighting provision on every floor which can spray
water upto 60 ft
 Enough setback for fire truck
 Emergency Staircase: 600mm
 Fire Extinguishers on every floor
 Fire Fighting Water Overhead Tank of capacity 1 lakh ltr
 Distance between Emergency Staircase and Main
Staircase: 20ft
Soak pit

55. Electricity and Generator
Generator of Capacity 45kV Electricity Room On Ground Floor

56. LIFT ROOM on
the Terrace
HT Line on the
main road
connected to the
transformer which
further goes as
underground lines
to the building.

57. Water Harvesting
 Provision for Water Harvesting is provided
Water from the terrace through pipes
converging into one main pipe
recharging the ground water level

58. Visual Impact

59. Drawbacks
 Dark corridors supported by artificial lighting only
 Insufficient setback for fire truck circulation
 No lobby for commercial unit

60. Surrounding Land Analysis
On the Building Side
Opposite of the Building

61. Case Study 3
Ranchi Club

62. Introduction
 Name of building: Ranchi Club
 Architect: Unknown
 Architectural Style: British
Architecture
 Number of members: 1500
 Number of users per day: 500

63. Location
 No. 5 Club Road, beside Central Revenue Building

64. Central Hall
 This central hall serves as a Community Hall and also functions as a
badminton court.
 Size of hall: 55’x 42’
 Size of stage: 25’x15’

65. Squash Court
 Size: 36’x25’
 Includes a Dressing
Room and a
washroom.

66. Table Tennis Court
 Size: 42’x 25’
 Maximum number of
users: 4

67. Gym
 Number of users per day: 200
 Maximum number of users at a time: 40
 Number of machines: 35
 Size of gym: 60’x45’
 It includes two separate changing rooms for men and women.
 One steam room: 5’x8’ (max 4 users at a time)
 One wet changing room: 10’x5’
 Two dry changing rooms: 4’x3’
 Three chilled showers: 5’x4’
 One toilet
 One massage room
 Twenty lockers

69. Yoga Room
 Number of users: 22
 Size: 30’x 24’

70. Swimming Pool
 Two pools- Kids pool and Main pool
 Kids Pool
 Number of users: 20 at a time
 Main Pool
 Size: 72’ x 36’
 Depth: 3.5’ to 12.5’
 Diving Platform: 8’ height
 Number of users at a time: 30
 Number of lanes: 5
 Includes
 Separate changing rooms for men and women
 Two toilets
 4 showers
 3 changing rooms: 4’x3’

71. Pump Room

72. Billiards Room
 Size of room: 40’ x 20’
 Two tables of size: 4.5’x9’

73. Kids Play Room
 Size of room: 25’ x 12’
 Number of users at a time: 15

74. Library
 Size of the room: 30’ x 22’
 Number of users: 15
 Number of books: 4000
 Two tables with four chairs each, 3 single seat
sofas, 3 computers

75. Outdoor Play Area
 Four swings, two slides, one
rope bridge
 Number of users at a time: 40
 Height of slide: 13’

76. Case Study
Blessington Heights, Kanke

77. Services
Underground Water Storage tank:
1,00,000 litre capacity.
Same tank used for fire fighting
services.
60.8’ x 11’x 5’
Underground Septic Tank:
Soak pit: 16’ depth

78. Generators
Capacity: 62kV
Dimensions: 9’2” x 4’ x 5’5”
8’6”x 4’3” x 5’5”
Fire Safety
Three hydrants and three
extinguishers.

79. Services
Pump Room
5.5’ x 5.5’ x 5.5’
15’ x 6.8’ x 7.4’
Filtration plant
18’ x 12’ x 8’

81. Setbacks
Road:
10ft wide
All-round access
Turning radius: 19’6”
Landscaped area:
7’2” around boundary wall.

82. Case Study
Radisson Blu

83. Swimming Pool
 Floor Slab thickness: 13”
 Depth: 4’2”-4’0”
 Length of diagonal: 15m
 Capacity: 1,30,000 ltr
 No. of users at a time: 25
 Height of void below: 2m
 Pump room with filtration plant: 55 sqm (open on two sides)
 Separate tanks for emergency use: 2 of 1000tr each
 Pump room located below the deck of swimming pool
 Ladder in pool made of: SS304 and SS316 grade of steel
Diagonal

85. Jacuzzi and Steam Room
 Depth of Jacuzzi: 1.3 m
 Dimensions of Jacuzzi: 1.3x1.5 sqm
 Height of Steam Room: 2.4m
 Dimensions of Steam Room: 2.16x1.85 sqm
 Size of Water Tank for Steam Room: Dia 0.75m Height 2m
 Capacity: 1000 ltr/hr
 Service equipment for both are in a common corridor of size: 1.5m x20m
 Height of Service Corridor: 12’

87. Service Corridor
behind Sauna and
Jacuzzi

88. Literature Study
Spanish Garden, Guwahati

89. Spanish Gardens, Guwahati
 Property Type:
Residential Commercial Complex
 Location:
Guwahati
 Area Range:
1797 sq ft - 4582 sq ft
 Bedroom: 3, 4, 5 BHK Residential
Apartments, Duplex & Penthouse
 Architect: Hafeez Contractor.
 Total Area: 13,890 sq m.
 Five towers, G+11 storeys,188 apartments.
 Four apartments per floor.

90. Features
 Well-designed complex with beautiful landscaping in the heart of the city.
 Maximum utilization of space.
 Adequate power backup and water supply. Generator capacity of 5 KVA per
flat and 7.5 KVA per penthouse/duplex.
 Club facilities: high-tech gym, snooker, table-tennis, yoga and meditation
room, cards room, sauna & steam bath and swimming pools with separate
changing area for men and women
 Ample parking space for residents and visitors.

91.  Structures are designed to the latest seismic Zone V specifications.
 An Environmental Green Deck with water body and a vast expanse of space
 Driveway : Done in RCC pavilions.
 Landscape : Rich landscape with trellis, waterfall, kids play area and club
facilities including swimming pools.

92. Site Planning

93. Building Structure
Basement : One level basement for parking and services under the tower block.
Superstructure : RCC framed column beam structure designed appropriately
for seismic considerations as per latest IS codes. Basement roof beyond building
footprint to take load of fire tender and landscaping.
Balconies : Cantilever balconies with waterproofing treatment finished in
vitrified tiles of appropriate shade, colour and design.

94. Building Structure
Wall construction
External and Internal Walls : A double wall of 115 mm thick brick work for
enhanced heat insulation and protection against seepage.
Ground floor lobbies
Walls : Plaster and Acrylic Emulsion (All scape).
Floors : Marble / Granite.
Ceiling : Acrylic Emulsion.
Lighting : Decorative lobby lightings, decorative landscape lights, etc.
Others : Mail boxes, security desk and address board as per design.

95. 2 BHK apartment

96. 3 BHK Typical Floor Plan

97. 4 BHK Typical Floor Plan

98. 4 BHK Penthouse

99. 5 BHK Penthouse

100. 4 BHK Duplex (Lower)

101. 4 BHK Duplex (Upper)

102. 4 BHK Penthouse (Lower)

103. 4 BHK Penthouse (Upper)

104. Apartments
 Walls: Plaster and Acrylic Emulsion (All scape), toilets have ceramic tiles
 Floors: All rooms have vitrified tiles. Master bedroom has wooden flooring.
Toilet floors have anti skid ceramic tiles
 Ceiling: Acrylic emulsion
 Doors: Imported decorative compressed wood
 Windows: Sliding glass windows with powder coated aluminium frame

105.  Balconies: Cantilever balconies with waterproofing treatment finished in
vitrified tiles
 Kitchen & Toilets: Fittings and fixtures - Superior quality imported CP
fittings. Imported chinaware with vanities in bathrooms. Counter finished in
Granite with dado in ceramic above the counter.
 Hardware: Ornamented with premium quality hardware fittings including
modular switches.
 Other Facilities: Provision for split A.C., Points for Telephone, DTH cabling,
Intercom facility, Internet cabling, Lights, Fans, and TV with adequate extra
plug points.

106. Tower Amenities
Security Systems: CCTV, CMS, Access Control, etc.
Fire Hydrant system
Intercom facility connected with servant's room
Regulated entry with intercom connection from entrance gate to each
apartment
High speed elevators with rescue systems.

107. Literature Study 2
Unitech Warehouse, Kolkata

108. Location

109. Site

110. Site Plan

111. Site Details

112. Ground Floor Plan

113. Floor Plans 1st
and 2nd
Floor

114. Section

115. Model

116. Views

117. Aspects Case Study 1
(Jascon Plaza)
Case Study 2
(Narsaria Tower)
Literature Study
(Spanish Garden)
Inference
Site Development Not Satisfactory, No
set-backs
Satisfactory, with set-
backs and services
Well Developed with
set-backs
Built Structure Cramped with
contrasting
architectural features
Symmetry in Facade Efficient zoning
Landscaping No landscaping
features
No landscaping
features
Good landscaping
Public and Private
Access
Confusing entry to
Residential Area
Well segregated for
Commercial and
Residential Area
Separate buildings
with separate
driveways
Lobby/Public
Spaces
Adequate width Adequate width Not enough data
Lighting and
Ventilation
Poor day lighting for
commercial area
Poor day lighting for
Commercial and
Residential Lobby
Not enough data
Internal Spaces Adequately Spacious Adequately Spacious Well planned and
good circulation
Overall Impression
of Building
Not Maintained
Clustered appearance
Confusing Facade
No maintenance Well maintained

118. THANK YOU!!!