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ALUMINIUM DOME ROOFS

Sustainability

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ALUMINUM DOME ROOFS

The eye catching aesthetical view of aluminium domes has become a dominant sight in many parts of the industry and architecture. The light and strong structure is suitable for covering storage tanks, bulk storage facilities and can be used to crease impressive architectural solutions. From the blazing Mojave Desert to the humidity of Singapore and the gale force winds and snow of the Antarctic, aluminium domes have repeatedly proven their strength, durability and flexibility.

Installation

Domes can be installed in many

different ways, depending on the site

conditions, their diameter or size and

the available time for installation. There

are very few structures however that

come close to the few man hours

required for installation. The installation

crews and experienced supervision

that we offer enable you to take full

advantage of these benefits. Our

experience also allows us to engineer

and produce domes in a very short time.

Unique batten bar design

The unique and patented batten bar

design of an aluminium dome is a

true asset. The used materials will not

deteriorate under ultra-violet light or

elevated temperatures. This is not only

the basis for a leak-free dome structure,

but it also adds structural strength to the

dome roof.

• Able to withstand high loads by providing greater stiffness and strength to weight ratio than any other dome geometry system, like snow loads up to 7.9 kN/m² (165 psf) and wind speeds of up to 240 km/hr (150mph)

• Maintenance free, as the permanent aluminium exterior never rusts, degenerates nor degrades

• The built-in advantages and beauty of an aluminium dome will be appreciated for years to come

• Light weight and free-span structure manufactured from aluminium and stainless steel

• Full installation and project support available

Solutions

• Truly maintenance free

• Short installation time (shortest in the market) with experienced crews

• Low total cost of ownership

• Guaranteed water tight

• Turn key solution, engineering, supply and installation

• Maximised service life (more than 50 years)

• Clear span

• Light weight

• Reduces the effect of the elements (sun, rain, wind and lightning)

• Effectively reduces emissions from storage

• Optimal total cost of ownership

• Can be adjusted for any possible climate

Solutions

Highlights

The lightweight economical covering solution is ideal for covering steel

external floating roofs, as cover for new tanks or even for replacement

of the more traditional steel roofs on storage tanks. CTS offers a full

solution from engineering to supply and installation, which is the

only way to truly get all benefits domes have to offer. With over 1,500

domes supplied worldwide CTS is the leader in engineering supply and

installation of these state of the art covering solutions.

Aluminium domes, standards and safety

Our aluminium domes are fully compliant with API 650, EN14015, EN 1991 and EN 1999

and EEMUA 159.

Engineering

During the engineering phase our team of engineers will review local load requirements

and all combinations (Live-, wind-, snow-, seismic load etcetera). Also safety aspects

are taken into consideration, this includes ATEX and NFPA. Completely in line with our

sustainability vision all emission requirements will play a major role in the decisions we

make in the design phase.

Sliding bearing

As a standard our aluminium domes will be equipped with a sliding support on a low

friction PTFE (Teflon®) pad. This will reduce forces on the top of the tank.

Water and vapour tightness of an aluminium dome

Aluminium Domes can also be built fully vapour tight. Generally a dome is installed as a

free vented roof, it is possible supply a dome suitable for Nitrogen blanketing or internal

pressures up to 9” (230mm) water column.

Dome roofs for storage tanks

For covering clarifiers, trickling filters, basins and many other vital parts

of a sewage treatment plant an aluminium dome structure is the perfect

covering solution. These free span, light weight and rust free covers will

eliminate emissions and stench. They will also contribute to sustaining

a controlled process environment. CTS offers a full solution from

engineering to supply and installation, which is the only way to truly

get all benefits domes have to offer. With over 1,500 domes supplied

worldwide CTS is the leader in engineering supply and installation of

these state of the art covering solutions.

Why aluminium

Waste water atmospheres can be very aggressive and corrosive. Research and experience with our products has shown that aluminium

will deal with these circumstances perfectly. It is even compatible with high sulphurous atmospheres. This makes aluminium technically

and economically the best solution for covering facilities in urban areas.

Flat covers

CTS aluminium flat covers offer many practical advantages over traditional covers. Unlike concrete they can be removed easily and they

do not degenerate. They are lightweight and they do not corrode. Nor do they degrade under UV- and Ozone exposure like most of the

other materials available. An aluminium flat cover installed to last for extensive periods of time without any maintenance.

Suspended covers

In certain applications the volume of air to be treated could generate a concern. The lesser the volume to be treated, the lower the

treatment costs. To facilitate this drive for lower cost of ownership on air treatment facilities we offer suspended or truss supported

covers. There minimise treated volumes.

Structure and appurtenances

Besides all the advantages mentioned earlier our aluminium structures will be able to deal with existing structures like bridges, access

areas, ducting and others. Engineering will revolve around a minimum in changes to the actual waste water plant and the way it is operated.

• Keeps contaminants out of the treatment process

• Moderates process temperatures

• Fully compatible with all waste water effluents

• Installation in service

Solutions

Aluminium dome roofs for wastewater plants and sewage treatment

CTS aluminium domes are the ideal solution for

dealing with challenging environmental enclosure.

Whether it is keeping the elements out or getting

the largest amount of bulk in the smallest amount

of space, an aluminium dome has proven to be

the optimal solution. Domes offer the ideal span-

to-rise ratio in standard and custom designed

configurations for any clearance requirement.

Light and strong

The light weight reduces the foundation cost. When

applications require, aluminium domes can even be designed

to support heavy process equipment.

Large clear spans

The possibility to cover large diameters of up to 270m (900ft)

in diameter offers unique solutions for material handling and

protection of the environment. The free span structure does

not have columns no trusses or internal supports that interfere

with equipment or transfer of stored materials. Our dome

structures are strong enough to support the suspensions of

concentrated equipment loads and able to withstand even the

harshest climates.

The aluminium dome is a unique triangulated

space truss skinned with aluminium panels

secured by a patented batten closure system.

With an ability to offer clear spans from 10 to

more than 300 meter aluminium domes are

specified for large covers area’s such as churches,

sports arenas, exhibition centres. Aluminium

domes are as beautiful as they are efficient and

durable. Aluminium integrated structural frames

are permanent and lightweight. Optional panel

systems offer eye-dazzling options.

Self-supporting structure

Geodesic domes are entirely self-supporting. Depending on

the design and the supporting structure reaction forces at the

base supports of the dome are minimal. For this reason many

of our domes are installed on PTFE-covered sliding supports.

The dome itself is strong enough to deal with its own internal

forces. In other cases however support walls are used to

distribute loads from fixed bearing points of the dome. Any

dome will be designed to deal with local circumstances ,

and to comply with local engineering codes and building

regulations.

• Keeps contaminants out of the treatment process

• Moderates process temperatures

• Fully compatible with all waste water effluents

• Installation in service

Solutions

Aluminium domes for bulk storage

Architectural domes

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HEAD OFFICE

CTS NETHERLANDS B.V.

Riga 102993 LW BarendrechtThe Netherlands

TEL +31 (0)180 531 027FAX +31 (0)180 531 848

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