1. LEASE
At
the
Logis+c
Terminal
of
Colombia
-‐
Cartagena
A
strategic
place
made
for
you
where
people
can
lease:
offices,
shops
-‐
warehouses
2. In
the
Comunera
Government
Unit
number
11
are
the
neighborhoods:
:
Ceballos
-‐
Santa
Clara
-‐
Policarpa
-‐
Albornoz
-‐
Arroz
Barato
-‐
Puerta
de
Hierro
-‐
Bellavista
-‐
El
Libertador
-‐
Villa
Barraza
-‐
Veine
de
Julio
Sur
-‐
Antonio
José
de
Sucre
–
Mamonal
Pérez,
J.
y
Salazar,
I.
(2007).
La
pobreza
en
Cartagena:
Un
análisis
por
barrios.
Documentos
de
Trabajo
sobre
Economía
Regional,
Centro
de
Estudios
Económicos
Regionales
(CEER),
No.
94.
Banco
de
la
República,
Cartagena.
Mamonal
Zone
3. 552
Companies
About
35
thousand
jobs
10
000
vehicles
daily
Pérez,
J.
y
Salazar,
I.
(2007).
La
pobreza
en
Cartagena:
Un
análisis
por
barrios.
Documentos
de
Trabajo
sobre
Economía
Regional,
Centro
de
Estudios
Económicos
Regionales
(CEER),
No.
94.
Banco
de
la
República,
Cartagena.
Cámara
de
Comercio
de
Cartagena
Mamonal
Industry
Sector
4. Mamonal
Zone
–
Vías
• Locaaon
on
the
way
of
freight
corridor,
which
provides
road
access
to
and
from
the
various
ports.
• Likewise,
the
importance
of
the
freight
corridor
lies
in
the
fact
that
Cartagena
communicate
with
the
interior
of
the
country.
5. Ubicaaon:
Mamonal
Industry
Zone
Total
area
of
lot:
126.000m2
Total
built
area:
102.322m2
Warehouses:
77.322m2
Shops,
Offices
and
hotel:
25.000m2
Logisacs
terminals
Colombia
-‐
Cartagena
was
inaugurated
as
the
logisacs
focus
of
the
region
for
being
the
only
one
of
its
kind
in
the
country.
It
has
several
types
of
property
in
one
place:
warehouses,
officesices,
shops
and
hotel.
The
Terminal
Overview
6. TERMINALES
LOGÍSTICOS
DE
COLOMBIA
The
growth
and
improvement
of
port
services
has
great
prospects,
since
the
city
"will
have
the
largest
world
trade
highway“
and
the
TLC
with
the
United
States
provides
great
opportuniaes
for
Colombia
and
especially
for
the
city.
Cartagena
has
the
first
terminal
of
the
Caribbean
Sea
and
is
ready
to
serve
container
ships
of
14,000
aier
dredging
3
million
m3
in
the
maneuvers.
It
has
six
Super
Post
Panamax
gantry
cranes,
the
most
efficient
and
fast
in
the
port
industry.
Cartagena
is
prepared
for
the
future
Cartagena
port
strategically
located
on
the
Caribbean
Sea
to
the
north
and
the
South
American
center
of
the
Americas,
with
a
high
mariame
traffic
to
and
from
all
conanents.
TERMINALES
LOGÍSTICOS
DE
COLOMBIA
7. TERMINALES
LOGÍSTICOS
DE
COLOMBIA
General
characteris+cs
of
the
Terminal:
• Value-‐added
modular
space
ideal
for
storage
and
support
of
logisacs
and
industrial
operaaons.
• Treatment
plant
domesac
wastewater
for
the
enare
project.
Power
plant
for
common
areas,
outdoor
lighang
and
security.
• Loading
docks
depressed
(1.35
MTS)
with
levellers
for
each
winery.
• Bays
cobblestone
pavement
in
front
of
mezzanines.
• Service
cerafied
scales
up
to
80
tons.
• All
warehouses
are
walkable
roof
deck.
• Watchdog
and
cladding
for
the
enare
complex.
• Fire
protecaon
mains
and
potable
water.
• Visitor
parking.
Double
Bay
access.
• Green
areas
and
tree
planang
plan.
• Exterior
lighang
poles
and
street
lighang
luminaires.
• Two
cerafied
truck
scales
up
to
80
tons.
8. TERMINALES
LOGÍSTICOS
DE
COLOMBIA
Locaaon:
Industrial
Zone
of
Mamonal
,
on
the
way
to
the
road
to
Cartagena
and
Turbaco
.
Located
in
the
return
toll
Mamonal.
127 Executive
Rooms
48 VIP
Rooms
3Suites.
Hotel Zone
Fase1
Phase2
Phase3
Block 1
Block 3
Block2
Block4
67%of
construction
inOctober
2014
33%of
construction
December
2015
Block 1 - November
Block 3 –
December
Zone 1 – 2: Shops & Offoces – December
Zone 3 – 4: Locals food - Diecember
Block 4 - August
Block 2 - August
Zone 5 – 6: Shops -Warehouses - April
Zone 7 – 8: December.
ZONE 7
-8
ZONE 5 -
6
ZONE1-2
ZONE 3 – 4 & HOTEL ZONE
Plant
Cold
Storage
opaon
for
freezing
and
/
or
cooling
9,000
m2
on
modules
over
1,000
m2
(opaon
to
extend)
Total
built
area:
102
322
m2
Total
built
area:
102
322
m2
Phase
1
9. TERMINALES
LOGÍSTICOS
DE
COLOMBIA
Warehouses
• Ideal
for
storage
and
support
of
logisacs
and
industrial
operaaons.
• Modular
warehouses
from
1,036
m2.
• Natural
light
into
the
cellars
and
metal
halide
lamp
assembly
250
W.
• Free
height
of
12.70
MTS
with
ability
to
store
7
shelf
posiaons
.
• Spacious
structure
without
internal
columns
with
steel
filled
soul.
• Planorms
hydraulic
levelers
for
each
winery
with
depressed
dock.
10. TERMINALES
LOGÍSTICOS
DE
COLOMBIA
Characteris+cs
of
the
warehouses
• Download
planorms:
Three-‐five
springs
depressed
by
cellar.
Each
winery
has
6
parking
lots
for
visitors.
• Available
for
expansion
modules.
• The
complex
has
20
parking
for
tractor-‐trailers.
450
visitor
parking
around
the
complex.
• It
has
a
board
of
medium
voltage
electrical
distribuaon
and
electric
charge
of
a75
45
KVA,
depending
on
the
needs
of
the
winery.
• It
has
an
administraave
building
with
a
cafeteria
and
meeang
room.
• There
is
a
water
storage
tank
of
1,000
m3
below
the
administraave
building
network
that
feeds
the
fire
and
the
diesel-‐powered
pumps
with
capacity
of
12
liters
per
second.
• Cellar
floors
reinforced
concrete
mesh
(4000m
kg
per
square
meter)
and
mechanically
polished
concrete
finish
paved,
with
special
condiaons
for
flat
and
resilient
flooring.
Quartz
neutral
hardener.
11. TERMINALES
LOGÍSTICOS
DE
COLOMBIA
Characteris+cs
of
the
warehouses
• Floor
plate
with
capacity
8
ton
/
m2
mesh
reinforced
concrete,
metal,
mechanically
polished
and
smoothed
fiber.
Quartz
neutral
hardener.
• Mezzanine
floor
mezzanines
with
plate
steel
/
concrete
and
bearing
capacity
(1
ton
/
m2)
• Side
walls
with
masonry
walls
up
to
3
meters
and
then
rolled
to
cover.
• Mixed
covered
on
foil
and
covered
with
polyester
reinforced
with
fiberglass.
• Availability
of
drinking
water.
• Phase
power
with
25
KVA
per
1,000
m2
of
basic
module
of
the
warehouse
and
tote
board
at
the
entrance.
• Fire
cabinets
outside
and
availability
of
access
each
hold
a
general
system
for
the
network
Fire
protecaon.
• Availability
channeling
communicaaons
connecaon
with
any
communicaaons
enterprise.
• Ualiaes:
Aqueduct
with
Aguas
de
Cartagena
and
energy
Electricaribe.
12. DE COLOMBIA
TERMINALES LOGÍSTICOS
ZONE WAREHOUSES DOCKS BUILDINGS SUMMERY
TYPE
WAREHOUSES
ON THE FIRST
FLOOR (MTS2)
WIDTH
(MTS)
LENGTH
(MTS)
DOCKS
UND
RELATION
BETWEEN
DOCKS/
WAREHOUSE
S
BUILDING
FIRST FLOOR
(MT2)
MEZZANIN
E 1 (MTS2)
COVER
(MTS2)
FIRST FLOOR
AREA
( MT2)
OTHER
FLOOR AREA
( MT2)
BLOCK 1
M1-B1 1442 39,4 36,60 5 356 339 392 392 1.781 392
M1-B2 1036 28,3 36,60 3 433 262 293 293 1.298 293
M1-B3 1036 28,3 36,60 3 433 262 293 293 1.298 293
M1-B4 1036 28,3 36,60 3 433 262 293 293 1.298 293
M1-B5 1036 28,3 36,60 3 433 262 293 293 1.298 293
M1-B6 1036 28,3 36,60 3 433 262 293 293 1.298 293
M1-B7 1036 28,3 36,60 3 433 262 293 293 1.298 293
TOTAL BLOCK 1 9.568 2.150
Warehouses type 1
Warehouses type 2
Block
1
13. DE COLOMBIA
TERMINALES LOGÍSTICOS
Warehouses
type
1
–
Block
1
Mezzanine:
390
m2,
2
floors
Warehouses:
1781
m2
Number
of
Warehouses:
1
Number
of
docks
per
warehouses:
5
Available
modules
for
extension
36,60m
38,40
Bodega
tipo 1
14. DE COLOMBIA
TERMINALES LOGÍSTICOS
Warehouses
Type
2
–
Block
1
Mezzanine:
239
m2,
2
pisos
Warehouses:
1.298
m2
Number
of
Warehouses:
6
Number
of
docks
per
warehouses:
3
Available
modules
for
extenaons
28,30
Warehouses type 2
36,60m
15. DE COLOMBIA
TERMINALES LOGÍSTICOS
Block
2:
A
warehouse
with
four
appropriate
measures
to
cooling
and
/
or
freezing
modular
warehouses.
ZONE WAREHOUSES DOCKS BUILDINGS SUMMERY
TYPE
WAREHOUSES
ON THE FIRST
FLOOR (MTS2)
WIDHT
(MTS)
LENGTH
(MTS)
DOCKS
UND
RELATION
BETWEEN
DOCKS/
WAREHOUSES
BUILDING
FIRST FLOOR
(MT2)
MEZZANIN
E 1 (MTS2)
COVER
(MTS2)
FIRST FLOOR
AREA
( MT2)
OTHER
FLOOR AREA
( MT2)
BLOCK 2
M2-B1 1683 21,8 77,20 2 947 211 232 232 1.894 232
M2-B2 2185 28,3 77,20 3 816 262 293 293 2.447 293
M2-B3 2185 28,3 77,20 3 816 262 293 293 2.447 293
M2-B4 2185 28,3 77,20 3 816 262 293 293 2.447 293
TOTAL BLOCK 2 9.234 1.111
M2-B1
M2-B2
M2-B3
M2-B4
Warehouses type 1
Warehouses type 2
16. DE COLOMBIA
TERMINALES LOGÍSTICOS
Warehouses
type
1
–
Block
2
21,80
77,20
Block type 1
Mezzanine:
232m2
,
2
floors
Warehouses:
1894
m2
Number
of
Warehouses:
1
Number
of
docks
per
warehouses:
2
Available
modules
for
extension
17. DE COLOMBIA
TERMINALES LOGÍSTICOS
Warehouses
type
2
–
Block
2
Bodega
tipo 2
77,20
28,30Mezzanine:
293m2
,
2
floors
Warehouses:
2447
m2
Number
of
Warehouses:
3
Number
of
docks
per
warehouses:
3
Available
modules
for
extension
18. DE COLOMBIA
TERMINALES LOGÍSTICOS
Manzana
3
ZONE WAREHOUSES DOCKS BUILDINGS SUMMERY
TYPE
WAREHOUSES
ON THE FIRST
FLOOR (MTS2
WIDHT
(MTS)
LENGTH
(MTS)
DOCKS
UND
RELATION
BETWEEN
DOCKS/
WAREHOUS
ES
BUILDING
FIRST
FLOOR
(MT2)
MEZZANI
NE 1
(MTS2)
COVER
(MTS2)
FIRST
FLOOR AREA
( MT2)
OTHER
FLOOR
AREA ( MT2)
BLOCK 3
M3-B1 2268 28,3 80,15 3 843 262 293 293 2.530 293
M3-B2 2268 28,3 80,15 3 843 262 293 293 2.530 293
M3-B3 2268 28,3 80,15 3 843 262 293 293 2.530 293
M3-B4 2268 28,3 80,15 3 843 262 293 293 2.530 293
M3-B5 2268 28,3 80,15 5 506 262 330 330 2.530 330
M3-B6 2268 28,3 80,15 3 843 262 293 293 2.530 293
M3-B7 2268 28,3 80,15 3 843 262 293 293 2.530 293
M3-B8 2268 28,3 80,15 3 843 262 293 293 2.530 293
M3-B9 3607 45 80,15 3 1295 277 293 293 3.884 293
M3-B10 3607 45 80,15 5 789 338 391 391 3.945 391
TOTAL BLOCK 3 28.070 3.065
Warehouses type 1
Warehouses type 1
Warehouses type 1
19. DE COLOMBIA
TERMINALES LOGÍSTICOS
Warehouses
type
1
–
Block
3
80,15
28,30Mezzanine:
262m2
,
2
floors
Warehouses:
2,530
m2
Number
of
Warehouses:
8
Number
of
docks
per
warehouses:
3
to
5
Available
modules
for
extension
20. DE COLOMBIA
TERMINALES LOGÍSTICOS
Warehouses
type
2
–
Block
3
Bodega tipo 2
80,15m
45,0
Mezzanine:
293m2
,
2
floors
Warehouses:
3.884
m2
Number
of
Warehouses:
1
Number
of
docks
per
warehouses:
3
Available
modules
for
extension
21. DE COLOMBIA
TERMINALES LOGÍSTICOS
Warehouses
type
3
–
Block
3
80,15m
45,0
Bodega tipo 3
Mezzanine:
391m2
,
2
floors
Warehouses:
3.945
m2
Number
of
Warehouses:
3
Number
of
docks
per
warehouses:
5
Available
modules
for
extension
22. DE COLOMBIA
TERMINALES LOGÍSTICOS
Manzana
4
ZONE WAREHOUSES DOCKS BUILDINGS SUMMERY
TYPE
WAREHOUSES
ON THE FIRST
FLOOR (MTS2
WIDHT
(MTS)
LEGTH
(MTS)
DOCKS
UND
RELATION
BETWEEN
DOCKS/
WAREHOUS
ES
BUILDING
FIRST
FLOOR
(MT2)
MEZZANI
NE 1
(MTS2)
COVER
(MTS2)
FIRST
FLOOR AREA
( MT2)
OTHER
FLOOR
AREA ( MT2)
MANZANA 4
M4-B1 3157 44 71,75 5 709 389 445 445 3.546 445
M4-B2 2031 28,3 71,75 3 764 262 293 293 2.293 293
M4-B3 2031 28,3 71,75 3 764 262 293 293 2.293 293
M4-B4 2031 28,3 71,75 3 764 262 293 293 2.293 293
M4-B5 2031 28,3 71,75 3 764 262 293 293 2.293 293
M4-B6 2031 28,3 71,75 3 764 262 293 293 2.293 293
M4-B7 2820 39,3 71,75 5 631 334 388 388 3.154 388
TOTAL
MANZANA 4 18.162 2.298
Bodega tipo 1
Bodega tipo 2
Bodega tipo 3
23. DE COLOMBIA
TERMINALES LOGÍSTICOS
Warehouses
type
1
–
Block
4
Block
type 1
71,75m
44
Mezzanine:
445m2
,
2
floors
Warehouses:
3.546
m2
Number
of
Warehouses:
1
Number
of
docks
per
warehouses:
5
Available
modules
for
extension
24. DE COLOMBIA
TERMINALES LOGÍSTICOS
Warehouses
type
2
–
Block
4
Warehouses
type 3
71,75m
39,3
Mezzanine:
293m2
,
2
floors
Warehouses:
2.293
m2
Number
of
Warehouses:
5
Number
of
docks
per
warehouses:
3
Available
modules
for
extension
25. DE COLOMBIA
TERMINALES LOGÍSTICOS
Warehouses
type
3
–
Block
4
71,75 m
Bodega
tipo 3
39,3Mezzanine:
m2
,
2
floors
Warehouses:
3.154
m2
Number
of
Warehouses:
1
Number
of
docks
per
warehouses:
5
Available
modules
for
extension
27. DE COLOMBIA
TERMINALES LOGÍSTICOS
Commercial
Distribu+on
Zone
Parking
Zone
First
Floor
•13
Shops
1-‐13
to:
Ø Financial
Enaaes
Ø Pharmaceuacal
Ø Supply
Store
•17
Foodcourt
shops:
Ø 27
to
33
double
access
Ø 34
to
43
Foodcourt
shops
•14
Shop-‐Warehouses
44
–
57:
Ø Industrial
equipment
Ø Services
Second
floor
•
Local
from
the
14
to
26
with
extensions
to
the
first
floor.
Third
floor
and
aWc
•
Offices
Ø 58
–
70
third
floor
Ø 71
-‐83
atc
AltilloThird floor
Zone 5 - 6: 14 Shop-Warehouses
Commercial Space and to storage
Office 58
Office 59
Office 60
Office 61
Office 62
Office 63
Office 64
Office 65
Office 66
Office 67
Office 68
Local 1
Local 2
Local 3
Local 4
Local 5
Local 6
Local 7
Local 8
Local 9
Local 10
Local 11
Local 12
Offices
10 Foodcourt shops: Located in
the square
7 Foodcourt shops: Available to attend the
external public and hotel guests.
Local 13
Local30
Local31
Local32
Local33
Local38
Local40
Local39
Local34
Local35
Local41
Local42
Local43
First floor
Local 14
Local 15
Local 16
Local 17
Local 18
Local 19
Local 20
Local 21
Local 22
Local 23
Local 24
Local 25
Local 26
Second floor
Zone1-2:Services&offices
Local44
Local45
Local46
Local47
Local48
Local49
Local50
Local51
Local52
Local53
Local54
Local55
Local56
Local57
Office 69
Office 70
Zone 3 - 4 : Hotel, Commercial and Restaurants
Office 71
Office 72
Office 73
Office 74
Office 75
Office 76
Office 79
Office 78
Office 77
Office 80
Office 81
Office 82
Office 83Local37
Local36
Stairs
Layouts:
Commercial,
Financial
and
Hotel
Zone
The
ideal
opportunity
to
expand
your
business
Characterisacs
Locaaon:
Mamonal
Industry
Zone
Total
Area:
3.573
m2
Zone
1:
Over
the
ways
of
Cartagena
and
Turbaco:
First
floor
commercial
area:
942.1
m²
Second
floor,
commercial
area:
881.8
m²
Third
floor
and
atc,
offices:
1763.6
m²
Zone
2:
Local
hotel
area:
573.4
m²
Foodcourt
Shops:
147.5
m²
Area
events:
1,103
sqm
Shops-‐Warehouses:
3,527
m²
29. DE COLOMBIA
TERMINALES LOGÍSTICOS
• It
has
closeness
to
the
banking
area
with
a
constant
flow
of
people.
• Strategic
locaaon
with
high
visibility
from
the
main
road,
as
is
the
central
point
of
the
complex
• It
allows
access
by
the
two
sides
of
the
complex.
Commercial
Premises:
First
&
Floor
30. DE COLOMBIA
TERMINALES LOGÍSTICOS
Commercial
Premises:
First
Floor
• Characterisacs
-‐
First
commercial
premises
total
area
1823.9
sqm
and
second
floor
-‐
Parking
bays
-‐
Available
for
expansion
modules
• Internal
walls:
Drywall
• External
walls:
concrete
block
40
x
20
• Floors:
Zement
Porcelain
60
x
60
or
similar
• Window
frames:
Windows
sliding
doors
laminated
glass
3
+
3
31. DE COLOMBIA
TERMINALES LOGÍSTICOS
Commercial
Premises:
Second
Floor
Second
Floor
First
Floor
The
premises
area
of
the
second
floor
is
accessed
via
stairs
and
/
or
elevator,
which
have
an
outside
corridor
that
allows
customer
service.
The
premises
of
the
second
floor
can
join
with
those
of
the
first
through
an
internal
staircase.
36. DE COLOMBIA
TERMINALES LOGÍSTICOS
Foodcourt
Shops
Characteris+cs
Locaaon:
Momonal
Industry
Zone
Total
area:
645,11
m2
Over
the
way
to
Cartagena
and
Turbaco
Parking
bays
Available
for
expansion
modules
Primer piso
interno
Internal
walls:
Drywall
External
walls:
concrete
block
40
x
20
Floors:
Zement
Porcelain
60
x
60
or
similar
Window
frames:
Windows
sliding
doors
laminated
glass
3
+
3
37. DE COLOMBIA
TERMINALES LOGÍSTICOS
To
everyone
-‐
Hotel
Zone
commerce
and
services
-‐Insatuaonal
brand
-‐Coffee
Bar
snacks
-‐Commercial
and
complementary
service
-‐Double
possibility
to
axend
external
people
and
guest
hotel.
Foodcourt
Shops
39. DE COLOMBIA
TERMINALES LOGÍSTICOS
Foodcourt/Strip
mall
Windows
Phrames
:
Door-‐window
sliding
laminated
glass
3
+
3
Floors:
Ardesia
Porcelain
60
x
60
or
similar
Walls:
External;
cement
block
wall
40
x
20
Ceilings:
Dry
wall
Local:
10
40. DE COLOMBIA
TERMINALES LOGÍSTICOS
Foodcourt/Strip
mall
Total
area:
1087.8
m2
First
floor
Parking
bays
Available
for
expansion
modules
With
possibility
of
extension
in
these
premises
ranges
(34-‐35-‐36)
(37-‐38-‐39-‐40)
(41-‐42-‐43)
Characteris+cs
42. DE COLOMBIA
TERMINALES LOGÍSTICOS
Shops-‐Warehouses
The
ideal
design
that
allows
to
sell
and
store
in
one
place
Characteris+cs
Parking
bays
Available
for
expansion
modules
Shops-‐Warehouses
area:
3693.67
m2
Warehouse
Height
12.70
43. DE COLOMBIA
TERMINALES LOGÍSTICOS
Shops-‐Warehouses
Local44
Local45
Local46
Local47
Local48
Local49
Local50
Local51
Local52
Local53
Local54
Local55
Local56
Local57
• It
has
proximity
to
the
dining
area
with
a
constant
flow
of
people.
• Strategic
locaaon
with
high
visibility
from
the
main
road,
as
the
central
point
of
the
complex.
45. DE COLOMBIA
TERMINALES LOGÍSTICOS
Hotel
Available for entrepreneurs, customers and
employees with 178 rooms.
Hotel service with high quality standards.
VIP
48 rooms with:
• King bed
• Bathroom
• Living Room
• Closet
• Television
• Air conditioning
EXECUTIVE AREA
127 rooms with:
• 2 semi double beds
• Bathroom
• Living Room
• Closet
• Television
• Air conditioning
SUITES
3 rooms with:
• King Bed
• Bathroom
• Living Room
• Balcony
• Closet
• Television
• Air conditioning
46. DE COLOMBIA
TERMINALES LOGÍSTICOS
SUITES
High Entrepreneurs
Excellent service
SUITES
3 rooms with:
• King Bed
• Bathroom
• Living Room
• Balcony
• Closet
• Television
• Air conditioning
47. DE COLOMBIA
TERMINALES LOGÍSTICOS
EXECUTIVE
ROOMS
For Employees
FEATURES
127 rooms with:
• 2 semi double beds
• Bathroom
• Living Room
• Closet
• Television
• Air conditioning
48. DE COLOMBIA
TERMINALES LOGÍSTICOS
VIP
ROOMS
For Special Customers
FEATURES
3 rooms with:
• King Bed
• Bathroom
• Living Room
• Balcony
• Closet
• Television
• Air conditioning
49. Mayorinformación comuníquese con servicio al cliente
servicioalcliente@profesionalesdebolsa.com
(57 + 1) 646 3330 ext. 1246 - 1114
(301) 394 4015
Bogotá
Calle 93B Nº 12-18 Piso 2, 4 y 5
Medellín
Calle 2 Nº 20-48
Pereira
Av. Circunvalar Nº 8B- 51 Of. 302
Barranquilla
Carrera 53 Nº 82- 86 Local 602
Cali
Calle 25 Nº 6N-67 Piso 4
DE COLOMBIA
TERMINALES LOGÍSTICOS