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Why do you need a Mezzanine
Floor?
Most companies occupy all of their floor space
but have a huge amount of unused space above there working area.
Space is money and to maximise your wasted space it is normally
possible to fit a mezzanine floor which is very tax effective.
All Spacelink mezzanine
flooring
A new Mezzanine Floor can be designed for
many different uses including Offices, Storage and Workshops. Most
of our clients continue to use the area under the Mezzanine for
its original purpose, while using the space on their new mezzanine
to satisfy their additional space requirements. It is of course
possible to utilise the areas under and on the new mezzanine for
meeting rooms, offices, toilets, and canteen areas.
Aesthetically the whole thing should blend in with the whole building.
Depending on the headroom available Spacelink can design and install
multi-storey mezzanines that maximise the available space. Mezzanine
floors must comply with Local Authority Building regulations,especially
where DDA is to be considered.
Spacelink has 16 years experience in advising and building mezzanine
floors and that can make a big difference with the final result.
What do you get with a Spacelink mezzanine
Spacelink mezzanine floors are designed in accordance
with all regulations and relevant BS codes and Building Regulation
documents to ensure that any mezzanine built to its recommendations
is safe, legal and fit for purpose.
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All Spacelink mezzanines are free-standing steel structures that
are custom designed to meet your requirements. As all mezzanines
are different we will always send a technician to discuss your requirements
so that we can install the correct solution to satisfy your situation.
We need to know the usage of the floor to factor in the correct
loading.
In general, a Spacelink Mezzanine could be described
as a platform on steel legs. The legs are hollow sections that are
welded to steel base plates that in turn are fixed to the ground
with anchor bolts. To prevent sideways movement, the tops of some
legs will be braced back to the ground. The load they carry and
the ability of the ground slab to bear this load will determine
the size of the base plates. The size and number of columns depends
on a combination of the load imposed on the mezzanine, the span
between columns and the load bearing capacity of the ground bearing
pressure.
Steel main beams are bolted on to plates that
are welded to the tops of the legs to form a framework. Secondary
beams (Joists) are then bolted between the main beams to form a
support structure for the decking. The decking is usually in the
form of 38mm particle-board, but various other types of decking
are available depending on the proposed use, we can use moisture
resistant boards at a small extra cost. Mezzanines produced using
this construction technique are known as ‘Slim Line’
thus maximising headroom.
All exposed edges will be fitted with a handrail with mid-height
knee-rail and kick-board, to comply with regulations. Staircases
are generally made from steel with steel treads (see section on
access below). In an office environment the elements of structure
will be encased for fire-rating purposes (see section on Fire Protection
below), but not the actual staircase. Should your requirement be
more upmarket we can offer stainless steel or glass hand rails.
How will I access my Mezzanine?
You may be able to access your new mezzanine
by creating a doorway from adjacent existing offices/core build
mezzanine, but most new mezzanines require their own stairs and
sometimes personnel lifts. If your mezzanine is for storage you
may also need to consider whether you require a pallet gate, goods
lift.
Part K of the Building Regulations covers protection from falling
and relates to the design of staircases and barriers used on our
mezzanine floors. Part M of the current Building Regulations covers
the provision of access to and the use of buildings with regard
to disabled persons. This usually means the provision of 1300mm
- 1200mm clear width stairs, with the size and number of risers
and goings controlled by the regulations. Part M requires infilled
risers.
While part K allows for open stair risers.
The latest version of Part M indicates that whenever
vertical access to a building is required, it should be by means
of a lift large enough to accommodate all types of potential user.
It is however recognised that it is not always possible or necessary
to install a lift or lifting device for mobility impaired people.
Building Regulations Inspectors normally interpret the requirements
of these regulations to allow a single Part M staircase to be employed
on small storage mezzanines. On larger storage mezzanines, or those
where fire escape is questioned, additional Part K and/or Part M
compliant stairs may be required.
Mezzanines that provide Office space always require
at least one Part M fire protected staircase and often additional
Part M and/or Part K compliant staircases are needed. Of course
it may be possible to provide adequate access from existing office
accommodation. It is always necessary to provide an ‘Access
Statement' to supplement Building Regulation applications.
Means of escape from the mezzanine, in the event
of a fire must be considered, especially maximum travel distances
to a ‘place of safety’ have to be incorporated into
the design. The local Fire Authority will always be contacted in
the approval process.
Spacelink have their own inspectors and will be
pleased to handle the complete process for you.
What is Part B?
Part B of the Building Regulations covers
fire safety and relates to fire protection, warning and means of
escape. In general all offices on mezzanines and some storage mezzanine
floors need to be fire-protected to comply with Building Regulations.
This will generally comprise a suspended ceiling below the mezzanine
(with one hour, fire-rated tiles), a 1 Hr fire rated fascia to all
exposed edges and 1 Hr protection to the columns. Column protection
can be white or galvernised finish.
Offices upon mezzanine floors will be constructed to provided at
least a half-hour fire protection between the offices/warehouse
and this will usually entail extending the perimeter partitions
to the roof. The ceilings must not be breached in any way and therefore
recessed light fittings will have fire-boxes fitted above them.
The approval of the scheme must be obtained from
the Local Fire Authority which is all dealt with by our licensed
inspectors.
Spacelink have an Approved Inspector to gain the
required Local Authority approvals.
How you can help keep things running smoothly
Stage 1. We will send you an
order acknowledgement
Stage 2. It is important that
everything is discussed during the final structural survey e.g.
position of columns do not obstruct doors, windows or walkways.
Also if you intent placing new machinery, workbenches etc we can
help you plan around this.
Stage 3. Spacelink will require
the following details to enable us to produce the drawings, calculations
and applications concerning your Mezzanine.
We will also require
a. Details of the existing floor slab and foundations. These details
are not always readily available and we can often bore a trial hole
to check the slab construction. There is an additional charge for
this service.
b. A site plan of the whole existing building,
indicating existing fire exits, alarms points and sounders, smoke
detectors, fire exit signs etc.
c. A block plan showing your building in relation
to those around it. (Spacelink)
d. Access Statement
e. The proposed use of all the rooms on or below
the new mezzanine.
f. Whether your building is Leasehold or Freehold.
If you cannot provide any of this information,
please contact Spacelink ASAP.
Stage 4. At this point we will
send you copies of the Structural drawing for your approval. It
should be carefully checked to ensure that we have accurately interpreted
your requirements and that columns and stairways are positioned
as discussed. We will ask you to sign and date a copy of the drawing
to signify acceptance.
Stage 5. Planning permission
is not normally required for a new Mezzanine Floor within an existing
building. There are some exceptions and Spacelink will advise you
if your project falls into one of the exceptional categories. However,
if you are making any changes that effect the building externally
(e.g. installing new windows) a planning application will have to
be made in addition to the Building Regulations application. Spacelink
can undertake a Planning Application on your behalf, please contact
us for details of this service.
Spacelink will submit the drawings, calculations
and any other relevant information to an Approved Inspector, who
will normally quickly indicate if the project will or will not pass
the Building Regulations and Fire Authority codes. This will allow
us to make any necessary changes at this stage.
You should be aware that any work that is being
carried out by other contractors, whilst we are installing the mezzanine,
might also be subject to the Building Regulations process. Spacelink
will be happy to advise you, and to consolidate any other work in
to a single application. Therefore, please make us aware of any
other work, particularly -
• Electrical work
• Plumbing and Heating
• Fire Alarms
• Air Conditioning
• Building work
Please note that the fees associated with making
any application(s) will be paid, initially by Spacelink, and will
be added, at cost, to your final invoice.
If you need to get your Landlords permission to
install a Spacelink mezzanine floor, we can provide any copies of
drawings and calculations they may request. We suggest that you
should consult your Landlord in parallel with the Building Regulations
application. Some Landlords take a long time to grant permission,
so early consultation with them is essential if the project is not
to be delayed.
Stage 6. As soon as the approvals are received
we complete the programme of work for the Mezzanine and agree an
installation start date with you. We will then notify the local
authority of the start date (this is a legal requirement). The Approved
Inspector will inspect the work once it has started, during the
installation and on completion.
Stage 7. The Mezzanine is released
for manufacture. Once manufacture has commenced it becomes expensive
to make changes and delays the programme. Of course, we will do
our best to keep any additional costs and delays to a minimum, but
you must be aware that late changes inevitably have a detrimental
impact on the project.
Stage 8. When installation of your Mezzanine commences
please ensure that the construction area is clear. You should be
aware that we will be installing heavy steelwork and the safety
of your staff and equipment is of paramount importance to us. Health
and Safety regulations generally bar us from allowing your staff
access to the new Mezzanine before we have completed the project
as it is considered to be a construction site.
Depending on the mezzanine’s size, height
and number of tiers, we may need to employ in addition to a fork-lift
truck, either a scissor-lift or genie lift, or possibly both, to
aid construction and offloading the steelwork. If you already have
counter-balance fork-lift truck that we can have unlimited use of
during the construction process it will save the hire cost and reduce
your costs.
Is there a way to speed up the whole process?
As you will have noticed the full procedure can take a number of
weeks. However, legally, as soon as the application is submitted,
we can proceed with the manufacturing stage without waiting for
final approval. If the relevant authorities subsequently insist
upon any changes whatsoever, any costs incurred will be passed on
to you. If you decide on this option we will ask you to sign a ‘Letter
of Indemnity’.
What else do I need to consider?
Current regulations dictate that all office environments, whether
or not they are situated on a mezzanine floor require:
• Heating.
• Emergency Lighting.
• Fresh Air Ventilation.
In addition you may wish to consider or the Local
Authority Building Controls may insist upon.
• Smoke Detectors and Fire Extinguisher
or Sprinklers.
• Fire Alarms.
• Air Conditioning.
Please Note.
The Disability Discrimination Act came into force
in October 2004. While this document reflects some of the steps
that must be taken to ensure that your new mezzanine complies with
this act it is your responsibility to satisfy yourself that the
new floor together with your other facilities fully meets the requirements
of the Act.
This information in this guide is designed
to assist you in understanding the process of purchasing a mezzanine
floor. Whilst every effort has been made to ensure that the information
it contains is correct, Spacelink Commercial Interiors Limited take
no responsibility for any errors or omissions.
Please call us for a free quotation.
Mezzanine
Floor | Office
Partitioning | Suspended
Ceilings | Steel Partitioning
Storage Wall | Flooring
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