T h e L e a n S t r u c t u r e

This publication gives a general description of the product and materials.

It is the responsibility of the users to ensure that their use is appropriate for any particular

application and that such application complies with all relevant local and national legisla-

tion, standards, codes of practice and other requirements.

HOLEDECK and its subsidiaries hereby disclaim all liability howsoever arising from any

error in or omission from this publication and all consequences of relying on it.

HOLEDECK is a registered trade mark.

TABLE OF CONTENTS

ADVANTAGES

• ECONOMICALLY

• TECHNICALLY

• ENVIRONMENTALLY

• AESTHETICALLY

TECHNICAL FEATURES

• PRODUCT DIMENSIONS

• TYPOLOGIES

• USE TYPES

• BUILDING SERVICES

• FIRE RESISTANCE

HOLEDECK SERVICES

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HOLEDECK is the natural evolution of the concrete structure

It is an ECO-friendly system for concrete structures that proposes a responsible approach to resources consump-

tion, both

(oikos, “house” and nemein “management”)

(oikos, “house” and logos “science”)

Due to its groundbreaking design, it can achieve huge spans between supports with a high level of services. The

building conductions and services can expand all through the thickness of the slab while becoming integrated in

it. This means that services in cross-sections occupy the same space as the structure itself and thus no additional

suspended ceilings are required to hide them.

Holedeck can be assimilated to a bidirectional concrete Boyden beam in which the mass of the section is placed in

its most effi cient position by removing the useless concrete of it.

HOLEDECK is especially suitable for buildings requiring multiple services as well as big or medium spans, such as

offi ce buildings, hospitals, schools or any public, commercial or industrial building.

Why HOLEDECK...?

Because it is BETTER:

ECONOMICALLY, ENVIRONMENTALLY, TECHNICALLY AND AESTHETICALLY

3www.holedeck.com

ECO nomical logical

ECONOMICALLY

WHY would you pay more

for something that gives you less?

• Reduction of built height

A total of 30-50 cm are saved per fl oor thus reducing all

the corresponding vertical building elements. This implies

a 10-20 % saving in façades and indoor enclosures as

well as a 10-20 % reduction in pillars and load bearing

walls.

• Concrete Consumption

Holedeck system reduces consumption of concrete by

placing it in its most effi cient position.

• Weight Reduction

The weight of the waffl e slab itself is reduced, improving

structure behavior, and minimizing dead loads for

earthquakes and wind.

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ECONOMICALLY

• Reduction of Building Elements

Some elements can be fully eliminated, such as suspen-

ded ceilings and technical fl oors. Some services can be

directly supported by the concrete slab ribs thus allowing

for the removal of auxiliary bearers.

• Reduction of Implementation Cost

The simplicity of the system allows the service elements

to be replaced and repositioned like in a mecano, minimi-

zing the costs of implementation for the new tenants in

both commercial and offi ce buildings. Therefore mainte-

nance or reconfi guration costs are cut and no hindrance

is caused to any other activity.

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TECHNICALLY

• Building services

Due to its modulated character the system is adapted to

accept installations and elements specifi cally designed

for standard modulated ceilings of 60-cm modules. Apart

from that, it can also be adapted to conventional geome-

tries and other modulations.

• Acoustic perfomance

Thanks to the geometry of the waffl e slab, HOLEDECK

has an excellent reverberance time perfomance. It

reduces reverberance time by 1/5 compared to a fl at con-

crete slab. No additional acoustic absorption is needed to

fulfi ll with offi ce and commercial Noise Regulations. The

spongy confi guration of Holedeck makes sound absor-

bing function avoiding the installation of acoustic ceilings.

• Fire resistance

The system meets the requirements of the fi re regulations

ACI and Eurocode for 120 min only due to the dimensions

of its ribs. Therefore, no additional fi re protection is requi-

red as for the steel-structure frameworks.

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WHY would you add dead loads to your structurein the space where services

could be placed through?

TECHNICALLYTTTTTTTEEEEEEEECCCCCCCCHHHHNNICCCAALLLLLLLYYYY

• Structural perfomance

With HOLEDECK it is possible to cover big spans with a

reasonable edge: it is suitable for big spans ranging from

7 to 15 meter high with a 50-60cm slab edge. Compared

to post-tensed systems, Holedeck does not need thick

beams, and the services can spread all over the fl oor.

• Seismic perfomance

Transmission of horizontal loads: the waffl e slabs, like the

rest of bidirectional slabs, are more effective for horizontal

requests than a unidirectional one.

Bending stiffness: the relative mass inertia of the section

compared to the same area of a concrete slab is 18 times

bigger.

Horizontal forces by earthquake: compared to a conven-

tional waffl e slab Holedeck reduces its weight by around

15%. Therefore earthquake strengths are reduced by

aproximately 8 to 10%.

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SOLID CONCRETE SLABA 1.075cm2

Ix 13.926cm4

relative inertia 1’0

RIB FROM WAFFLE SLABA 1.075cm2

Ix 62.330cm4

relative inertia 4’5

RIB FROM HOLEDECK A 1.075cm2

Ix 251.310cm4

relative inertia 18

ENVIRONMENTALLY

WHY generating unnecessary CO2?

Reducing built volume is the most sustainable strategy

• Carbon footprint reduction

Construction: The most sustainable building volume is

the unbuilt one. Reducing height of the building helps

reduce the volume of the building built for the same fl oor

space by 20%, with consequent savings in construction

and operating costs of the asset.

Asset operation: By reducing the height of facade

surface, the energy losses are minimized and therefore

the consumption of energy, cutting down its impact on

the carbon footprint by 20% too.

• Sick Building Syndrome

Services registrability is improved as no building

works are required to clean ducts in the case of

need. The usual activity of the building does not

need to be stopped either, which allows to enhance

the effective occupancy rate of the renters.

• Underfl oor heating / cooling systems

By increasing the interchange surface of the slab,

the temperature differential can be narrowed and

then sustainable heating techniques (like solar

panels) can get an optimum performance.

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DESIGNWHY using old fashioned technologieswhen you can use a new one?

fig. 01 bone nano-structure

fig. 02 coffered ceiling

fig. 03 Louis Kahn, Yale University Art Gallery fig. 04 HOLEDECK system at Logytel R+D building

• The lean structure.

Its spongy design reminds of the internal morphology for

bones, eliminating waste and achieving the most effi cient

spatial structures. Holedeck is a Smart Design based on

the Systematic Innovative Principles of TRIZ

• Keep it simple.

Thanks to the geometry of the waffl e slab, services are

not visible but easily accessible though.

This makes the suspended ceiling unnecessary while

allowing for a complete registrability of services;

so it is perfect for installing the whole electric power dis-

tribution throughout the ceiling. It is possible

to keep an aesthetic and expressive structure with fair-

faced concrete by adding dyes to the concrete mass or

just painting it afterwards.

• Plan layout

HOLEDECK is set up in a similar way to other voided fl at

plate slabs. It provides greater freedom

of design for the plant geometry and pillar placing. It is

modulated according to a 80cm interaxis so it

is dimensionally interchangeable with any voided two-way

fl at plate slab system with similar features.

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USE TYPES

STANDARD FRAMEWORK

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4321

5 6

1 2 3 4 5

9 9 8 7 6

1 2 3 4 5

9 8 7 6

Bidirectional system (pipe)Electricity and connections by checkable box

1.Pavement

2.Mortar

3.Checkable box

4.Underfl oor heating pipes

5.Isolation

6.Wire-tray

7.HOLEDECK slab

8.Steel reinforcement

9.Ventilation pipes

Bidirectional system (plenum)Plenum air conduction

1.Pavement

2.Mortar

3.Checkable box

4.Underfl oor heating pipes

5.Isolation

6.Wire-tray

7.HOLEDECK slab

8.Steel reinforcement

9.Air enclosure system

Unidirectional system

1.Air enclosure system

2.HOLEDECK slab

3.Wire-tray

4.Passing hole

5.Air fan

6.Luminaire

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1 2 3 4 5

9 8 7 6

1 2 3 4 5

10 8 7 69

1 2 3

45

LATTICE FRAMEWORKBidirectional systemLattice slab for registrable technical fl oor

1.Technical pavement

2.Services socket

3.Air diffuser

4.Adjustable support

5.Fire enclosure system

6.Wire-tray

7.HOLEDECK slab

8.Steel reinforcement

9.Air enclosure system

Bidirectional systemLattice slab for registrable technical fl oor and

suspended ceiling

1.Technical pavement

2.Services socket

3.Air diffuser

4.Adjustable support

5.Rising services

6.Wire-tray

7.HOLEDECK slab

8.Fireproof suspended ceiling

9.Steel reinforcement

10.Air enclosure system

Bidirectional systemLattice slab and exterior tramex fl oor

1.Fastening profi le

2.Tramex lattice

3.Rising hole

4.HOLEDECK slab

5.Steel reinforcement

As abovementioned, the system may use specifi c service systems (custom-made systems) or just standard

systems as the ones designed for 60-cm-modulated ceilings.

In addition to the gaps in the two directions of the horizontal plane which enable an isotropic layout along the

whole plane of the slab, the system can be not only easily accessed from below but also from above with a system

of raised fl oors or small passing-pieces for cables (as long as the acoustic and fi re regulations allow for).

Where required, air is distributed through diffusers likewise embedded in the hollow edge of the slab.

The system admits conventional air conditioning indoor units of 60x60 modules.

The lower part of the waffl e slab may be left uncovered or a removable suspended ceiling may be used.

SYSTEMS / SERVICES

Electrical services/ telecommunications

Therefore, mechanical services, cables, wiring and electrical supply can be embedded in conduits through the fl oor

or inside a system of removable fl at plates.

It is likewise possible to place them into a suspended ceiling and thus they would be completely accessible by

removing it.

Installation of radiating systems

Radiating systems or even cold ceiling systems may be installed underneath the fl oor included in the compression

layer of the slab.

Garage

HOLEDECK allows high-volume air extraction by plenum. Therefore it is suitable for garages and other industrial

buildings with high ventilation needs.

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A B C D

MODEL A: Pipe air distribution (variable diameter)

for low ventilation needs.

MODEL B: Pipe / Plenum combined air distribution

for medium ventilation needs.

MODEL D: Total Plenum air distribution

for maximum ventilation needs.

HVAC

Air may be distributed through conventional semi-fl exible conduits or through a plenum system, which requires a

sealed suspended ceiling and removable locks in lateral windows.

MODEL C: Pipe / Plenum combined air distribution

for medium ventilation needs.

BUILDING TYPOLOGIES

• HIGH RISE BUILDINGS

Holedeck implies a reduction of weight and execution costs when compared to solid or post-tensioned slabs, in

adition to generating a 20% extra usable surface for the same built volume improving the profi tability of the asset.

In high seismicity areas, the system can provide a much more stable structural and earthquake resistant solution,

with the consequent reduction of costs in case of accident (repair, periods of non-occupation of works, etc)

• HOSPITALS

Due to the resistance of the structure, any fl oor distribution change can be proposed to get adapted to the new

technological advances in machinery.

When talking about earthquakes, in low-rise buildings, the rigidity of the system is even more important than in tall

buildings. Besides structural vulnerability, the non-structural vulnerability must also be taken into account, that is to

say, alll the deaths occurring by the detachments of false ceilings and other suspended elements.

Finally, it is the best solution in the market for Sick Building Syndrome due to its registrability.

• CAR PARKING

Because of the integration of installations in the thickness of the structure, the reduction of the depth of excavation,

the increased distance between pillars and the design qualities of the system Holedeck is the most effi cient solution

for this typology.

• RETAIL

Apart from its natural aesthetic characteristics, the Holedeck structure can save up to 50% of the implementation

costs for a new renter in your shopping center, due to the simplicity of the services design, becoming an important

competitive advantage for your asset.

• INDUSTRIAL

Change happens, and industrial spaces are probably one of the fastest changing spaces to get adapted to new

markets and circumstances. The fl exibility of a Holedeck building can let you think of how to adapt your building to

your business and not your business to your building.

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HOLEDECK INTERNATIONALPHONE +34 91 502 14 27c\ Juan de Urbieta 10, bjo

28007 MADRIDSPAIN

info@holedeck.comwww.holedeck.com

HOLEDECK SERVICES

Holedeck constructive solution dedicated to the execution of special patented slab for services, guarantees

the best quality in the works where it is used. Therefore it proposes a partnership with their clients from beginning

of the work. So, step by step, we are able to guarantee the quality performance of the fi nished product. The service

includes:

TECHNICAL ASSISTANCE DURING THE ENGINEERING PROJECT

• Geometric feasibility study. The technical department will study the compatibility between structure and geo-

metric project

• Testing of Holedeck system adaptation to local technical regulations.

• Redesign of the fl oor slab , to adapt the Holedeck system to the different elements required.

• Project assistance in the framework project and defi nition of the material features

• Specifi cations system report and specifi cations technical project

• Technical assistance about services system.

• Construction details about the Holedeck system and resolution of special joining details with other constructive

elements.

• Review of fi nal engineer executive project to ensure correct use Holedeck System.

FORMWORK SUPPLY

• Holedeck will prepare all the documentation needed to start the Holedeck work (drawings and specifi cations).

Holedeck will obtain approval by contractor.

• Renting and supplying of Holedeck system formwork. This includes plastic pieces of the Holedeck system to

build the slab: 1,56 principal formwork pieces/m2, 5,12 opening lateral window/m2, 1,125 closing window/m2,

also included, small material .

• Holedeck will establish the quality control plan system.

TECHNICAL ASSISTANCE DURING THE WORK.

• Technical assistance in situ by Holedeck during the formwork assembly

• Holedeck will develop the quality control in situ during Holedeck system site work.

These are the standard services. Optionally, if it is required, Holedeck could develop:

• Complete Structure Calculation.

• Full structure manufacturing with local contractors. This option has to be analyzed depending on the local

market circumstances.

15www.holedeck.com

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