Commercial Salad
Growers Box Clever With
Spelsberg
Spelsberg electrical enclosures
the design and build of reinforced
and 6,415kW of heat. State of the
have been used in a high tech
concrete bases, including free
art equipment is used throughout,
environmental control system for a
standing engine bases.
including electrical enclosures
commercial greenhouse operated by
one of the largest salad growers in the
In another aspect of the project,
from Spelsberg made from high
performance engineering plastic.
UK.
CambridgeHOK fitted all of the
interconnecting pipework between
These replace the older style metal
Serving a market that is increasingly
the backup boiler plant and the Rolls
enclosures that were used previously
demanding and competitive, salad
Royce engines for high and low
and bring benefits such as more
growers need state of the art energy
temperature heat requirements and
stable internal temperatures, high
efficiency, lighting and climate control
management of carbon dioxide from
strength, reduce corrosion and –
throughout their massive commercial
the flue gases. Related to this was
because they are visible to visitors –
greenhouses. The electrical systems
the installing of two 5,600,000 litres
smart appearance.
are therefore huge, often linking
insulated hot water storage tanks to
multiple greenhouses via an
store the heat from the CHP engines
interconnected control system.
during the day, so that it can be
The electricity produced is fed into
the local grid, while the extracted
utilised in the greenhouses overnight.
heat from the exhaust gases and the
manufacturer of commercial
The new Energy Centre Portal
heat the greenhouses. Further, after
greenhouses, has designed, installed
framed buildings that house all of
cleaning, the engine exhaust gases
and commissioned the infrastructure
the plant were designed and built
are injected into the greenhouses to
surrounding four 5.5MW Rolls Royce
by CambridgeHOK using composite
increase the ambient carbon dioxide
engines that are used in a combined
panels. CambridgeHOK also designed
content in order to promote plant
heat and power (CHP) plant for a
the electrical and control systems for
growth.
major grower on the Isle of Wight. The
the whole facility from 33kV at grid
project was centred on the need to
to LV and ELV circuits, utilising a Priva
modernise facilities, mainly to ensure
BMS control system to manage the
energy efficiency but also to improve
engines.
CambridgeHOK, the UK's leading
control and ensure the equipment and
technology were state of the art so
that safety and reliability were world-
The new energy
centre is home
class.
to the latest
It involved the demolition of existing
represented
facilities and the building of two new
by four Rolls
CHP energy centres that serves the
Royce gensets
massive 27 Hectare (270,000 square
or gas engines,
metres or 67 Acres) of glasshouses.
each producing
It also included geo-technical surveys
5,605kW of
to establish ground conditions and
electrical power
16 FDPP - www.fdpp.co.uk
CHP technology,
engine cooling systems will be used to
CambridgeHOK selected Spelsberg
to supply all the electrical enclosures
and junction boxes required for the
electrical and control systems.