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DfMA construction

Modular engineering and DfMA construction

Packaged LV plantrooms

GPS has extended its manufacturing capability to Design for Manufacture and Assembly - to supply pre-engineered pre-packaged LV plantrooms.

DfMA is transforming safety quality and value in LV project delivery for regulated water and other process industries - fundamentally altering the time cost quality cost model, with significant gains across all three versus conventional triangle theory which can only achieve two out of three.


DfMA breaks the 'any two' mould, optimising programme delivery, cost and quality.

Faster install – site work is restricted to delivery and lifting the plantroom in to position, reducing site time from two weeks one day.

Reduced cost - reduced working time and complexity on site significantly reduces project management and prelim costs, and total civil costs by avoiding construction of traditional plantroom.

Build quality – MCC kiosk integration and fit out is carried out under factory-controlled conditions.

Reduced risk - exposure to construction site and LV installation health and safety risks are massively reduced. The MCC is protected from weather and accidental damage, and programme is less vulnerable to wider site issues and events.

  • The top section of the MCC frame, the ‘raft’ is manufactured and delivered to GPS
  • The MCC is fixed to the raft
  • The kiosk is lowered over the MCC and bolted on
  • The whole assembly is moved into the factory where kiosk services, aerials and comms panels are fitted wired and tested
  • Prior to delivery, the subframe is fitted to the concrete slab, with pre-connected cabling that doesn’t require a trench
  • The kiosk-plantroom is craned on to the base

The top section of the MCC frame, the ‘raft’ is manufactured and delivered to GPS.


DfMA operations

GPS established its DfMA construction method in late 2020 combining established MCC design-manufacturing processes with external engineering for the kiosk raft, housing and site subframe.

The plantroom package comes together in two movements where the MCC and kiosk are craned on to the raft, returned to the DfMA bay for electrical fit out, and rolled out again when the completed product is loaded for delivery to site.

DfMA is an established construction industry methodology, compatible with GPS’ standard design and modular engineering programme which aims to maximise operational reliability and opportunities for life extension. 

GPS is developing a range of standard size plantroom solutions for its most frequent motor control and power distribution specifications based on its G-Flex modular design, which combined with DfMA delivers a very flexible solution for plant extensions and the ability to repurpose or relocate assets over time.  

Environmental gain

Made possible by reusable steelwork and reconfigurable functional units, G-Flex delivers environmental gains where extended operation defers the re-manufacture of LV assemblies by up to 10 years, avoiding CO2 emissions from energy intensive steel and copper production processes to achieve a 30% net lifetime saving. 

DfMA also reduces environmental risks on sites susceptible to flooding because kiosk design raises plant above flood level.

UKAS accredited ISO Management

UKAS accredited ISO management systems ensure our legal compliance, business conduct and operating procedures meet the high standards required by our customers.

UKAS accredited ISO Management
ISO management systems

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