uwtc presntation

1. LITREATURE REVIEW on commercial complex
A building which provide commercial facilities like
show rooms, retail shops, multipurpose hall, fitness
facilities, cafeteria & eateries, gaming zone, bank, offices
etc.
REQUIREMENTS:
•Parking
•Circulation and linkage
•Service and facilities
•Atriums ,courtyard

2. Planning principles:
Conveniences and comfort for the customers is the
key objective of all the planning principles which
include:
 Ease of vehicular access
 Ease and adequacy of parking
 Adequate means of vertical circulation
 Convenient and directed pedestrian shopping routes
 Reasonable walking distance

3.  Entrance of mall –unique style and identify.
 Relative position of stores
 Safety measures,fire safety,communication,the
control system and security
 Proper public flow

4. General Information:
 Space per person:8m2-13m2 (avg-10m2)
 Commonly used column spacing: 20ft., 25ft. and
30ft
 Floor to floor ht:10’-14’(avg-12’)
 Finished ceiling ht.:8’-8’-6”

5. LITRETURE
REVIEW
MAX.
20%
PARKING:
•20%of total area
•2.3car per 1000sq.ft of rentable
area
•Max turning radius 20 ft.
•Max. ramp slope 20%
•Transition slopes are required
if inclination is more than 10%.
• Clearance height optimum 7 ft.
•Maxm distance from parking to
store:300ft-400ft

8. Parking

9. According To National Building Code (NBC)
 one car parking area must not be less than 13.75 Sq. M
and one two wheeler parking area must not be less than
1.25 Sq. M
 Parking requirement in multi-storied buildings: One
parking space for every 100 square meter carpet area.

10. Staircase
 Minimun width:5’
 Floor area more than 2500sq.ft required additional stair
 Additional stair minimum width:3’3”
 Maximum riser:8”
 Minimum tread:9”
 Seperate way for basement parking
 Maximum no.of steps in a fligth:15
 Pitch maximum:45 degree

11. Ramp
 Ratio:1:8,1:10,1:12
 Angle:
Lift
 Place to reduce horizontal travel
 Centrally located
 Floor space in lift:0.2sq m per person
 Building more than 17m required lift
 Size-5’x5’

12. Lift for disable:
 Landing space infront of lift sufficent to allow
wheelchair.
 Minimum internal space:1:1m and 1.4m depthand
2m ht.
 Door size:minimum 0.8m and 2m ht

13. Escalator:
 Arranged in pair in opposite direction
 1 per 25000 sq.ft
 Width:600,800,1000
 Speed :.5-.065m/s
 Pitch:35*
 Elevator lobby:6’-9”

14.  Corridor:5’-6”
 Maximum distance from employ desk to exit:150’
 Maximum distance from store to rest room
 At least one primary entrance to a building shall be
usable by the physically disabled and be on the level that
would provide access to elevators where provided.
 Access ramps for wheelchairs shall not have gradients in
excess of 1:12. Level platforms shall be provided at max.
1800 mm flight. Level plateforms shall also be provided
at tops and changes of direction. The minimum widths of
wheelchair accessible ramps shall be 1000mm.
Handrails are required when the total rise exceeds 600
mm.

15. •Absolute min. area per person
•3.7 to 4.2 m2 (including aisles,
filing cabinets and desk space).
But this is too low for individual
offices.
•Min. area for reasonable
conditions.
Additional spaces for visitors.
•Recommended allowance for
completely integrated office with
all activities under one roof.
•Completely integrated office plus
eating and lounge facilities.
•4.2 to 6 m2 min. floor area per
person. 11.3 m2 min. room
capacity per person.
Allow min. 1.8 m2 extra for
visitors.
•Average of 9.3 m2 to 11.6 m2 per
person excluding circulation,
w.c.’s etc.
•Min. 14 m2 per person.

16. No.of men No.of w/c No of urinal
1-15 1 1
16-20 1 1
21-30 2 2
31-45 2 2
40-60 3 3
61-75 3 3
76-90 4 4
91-100 4 4
Over 100 4 Plus 1 closet for
every 25 person

17. Cinema:
 Floor area:0.6-0.9m2/person
 ht.:6m (small),7.5 (large)
 Curtain wall
 Minmum distance from screen to 1st seat:4.5m
 No lighting rather than emergency lighting
α
Projection angle
Projection angle should not be
greater than 10˚

18.  Maximum travel distance with escape, possible in one direction
only- 12.2m
 Distance can be exceed upto30.5m if the following requirements are
met:
- Opening in all offices 840mm X 535mm minimum.
- Lower level of opening light not more than 3800mm above ground
and 915mm above floor level.
- Ground beneath window free of obstruction for 1830mm from
building.
 Maximum travel distance with escape possible in alternative
direction- 46m
 If no secondary exit is provided ,the distance between office to
nearer exit:maxm 12.2m
 Maximum distance between two adjacent exits from a storey- 61m.

19.  Fire fight stair- at least one fire-fighting stair is required in building
with floors over 18.3m above ground level which should:
- Be continuous throughout building.
- Have access at ground level direct to open air.
- Have openable windows at each landing level.
- Have permanent ventilation at the top enclosure of min 5% of
enclosed area.
- Have protected and ventilate lobby at each floor.
 Fire exhaust fans become very important incase of atrium buildings.
Fire detection alarms and reserved water tanks for fire fighting are
important aspect of fire safety.

20.  smoke detection,fire alram,extigisher
 Fire escape stair minimum width /person
50 110 220 220
750mm 830mm 1050mm 1055mm

21. Case study of uwtc

22. THE UNITED WORLD TRADE CENTER
 Architect:Ar.Bishnu pd. Panthee.
 Locaton:Tripureswore, Kathmandu
 Total area:10-15-3-0
 Land shape:Almost rectangular
 Ground coverage:61.3%
 Built up area:213178 sq.ft
 Main entry:South-East
 Secondary entry:South
 No of floors:6
 Topography:Almost flat land
 Building type:Postmodern design.
 Building usage:shoping complex

23. Material used:
 RCC,Glass
 Steel,Truss,Fibre glass
 ACP,CGI sheet
Structure Analysis:
 Frame structure
Column:
 Circular-1’-6’ dia
 Rectangular-1’-6”x1’-6”
Slab:6”
Plain /waffle structure
Grid:18’x18’
Floor ht-11’

24. Parking
 2 wheeler-500
 4wheeler-200
Staircase
 Width of staircase:5’-10”
 Tread-11”
 Riser-6”
Fire escape stair:4’-3”(width)
 Riser :6”
 Used frequently

25. Circulation:
 Horizontal:wide and sufficent passage of different
width(5’,6’6”,8’,10’,12’,20’)
 Vertical:Staircase, 4 lifts(4’-0”x4’-4”)
Escalator of width 3’-3”,with railing of 3’-3”ht.
time :15sec
Lobby space:5’10”
Parking:
 Basement parking
 50%parking, 50%circulaton area
 Separate entry and exit
 Ramp:1:6,1:4

26. Flow:
 The passenger arranged the outer periphery of the two
attrium.
 Free flowing pattern within the building
 Major mass flow occurs through the staircase.
 The passage has also been used as a bridge connection
between the two parts of each floor.
Lighting
 Natural light through attrium

27. Rest room:
 At the one corner of each floor.
 Room well ventilated and use of natural light
 Men-4w/c, 3basins, 6urinals
 Women-3w/c, 2basins.
 Ducts are provided for the outlet of waste through pipes.
Basement analysis:
 Clearance ht:8’
 Provision of toilet
 Provision of of storage area,generator room,fire fighting,electical room
 Provision of Guard room
 Provision of lifts in two place.
 Speed breaker is provided.
 Turning radius:20’

28. SKY LIGHT
PASSAGE N
SHOP
ATRIUM
SHOWROOM ELEVATORS

30. Ground floor:
 The entire ground floor contains shopping elements.
 Coffee shop
 First floor: - shops
 Second floor: - retail shops.
 Third floor: - kid zone and game zone
 Fourth floor:whole of the floor is occupied by DECC
(Direction Exhibition Convention Center) , it contains seminar
hall, multi-purpose hall, exhibition hall, Agni hall of 500 capacity
and food outlet to cater its customers.
 The floor has been planed and developed to provide different
utility sections to conduct different exhibition, seminar etc.

31.  Direction Exhibition and Convention Center(DECC) at fourth
floor (area 254540sq ft).
 Conduct event like, exhibition, trade fair and seminar
 Exhibition hall=12000sq ft.
 Capacity nearly 70 standard
 Seminar cum Banquet Hall =1650 sq.ft.(nearly 150 participants)
 Food outlet/kitchen=2425sq ft.
 Capacity to cater to 100 customers at a time, a special VIP suite,
12 business chamber
 Multi –purpose hall=1350 sq ft.
 Fifth floor:- A restaurant covering area of200 capacity,a party palace of
1000 capacity and UWTC office .The west wing has a swimming pool, gym
hall and its cafeteria owned by the fitness club with 400 members and spa
center.

32. BOWLING ALLEY PARTY PALACE
DISPLAY AREA MULTIPURPOSE
HALL

34. Ground floor plan

35. First floor plan

36. Second floor plan
Third floor plan

37. Fourth floor plan
Fifth floor plan

38. Sixth floor plan

39. Drawbacks:
 Location of toilet doesn’t seem to be convenient
toilets lie at a distance of 100m from the rare sides.
 The FAR recommended for commercial building in
Kathmandu valley is 3 but the FAR of UWTC is 3.9.
 There is only one access to the fifth floor.
 The central elliptical staircase is not being properly
used.