The Challenge:

Kier maintains all RAN (Radio Access Network) cell sites which carry major UK mobile networks, such as EE, on behalf of Ericsson, through a combination of planned and reactive works programmes

The nature of these works means we have to be agile and proactive in our response. We work to extremely tight timescales, reacting to calls with teams on-site anywhere between two hours and five days.

The geographical spread of this work is vast, it can include works in the middle of London to the Outer Hebrides, which can influence timescales, with certain remote locations only accessible via once daily ferries.

Ericsson rely on our teams to resolve all manner of RAN matters around the clock.

The Solution:

Our highly skilled field teams operate 24/7 nationally and have decision-making autonomy, assessing issues on-site, choosing prioritisations and doing everything they can to bring transmission back up. This is essential given the logistical challenge of often remote or at-height locations, which limit our ability to revisit depots for supplies.

To combat the challenges faced and to reach targets set on the RAN Framework, we:

  • Maintain c.20,000 telephone cell sites and carry out full structural, mechanical and electrical checks, including lightning protection tests, fall arrest systems and tower certifications
  • Complete NICEIC 18th Edition electrical certification testing across 5,000 sites, with DC system and battery checks, air conditioning servicing, fire suppression system checks and generator servicing every year
  • Maintain a 24/7 first call response for real time fault calls, with a country wide on-call field-force, responding to faults and/or incidents and providing c.500 resolutions per month
  • Train our reactive field force teams to work on structures with difficult access, equipping them with skills in climbing, rope access, confined space training and MEWP (Mobile Elevated Working Platform) operations.

The Impact:

To maintain the high-quality national coverage on the RAN Framework we have a field force of c.105 staff and c.30 support staff, working 24/7/365.

Each year, we complete:

  • On average, one task is completed every 4 minutes, to keep the UK’s 4G & 5G networks live for both MTC (Machine-Type Communications) and IoT (Internet of Things) cellular uses
  • Over 500 high priority resolutions every month
  • Over 6,000 reactive site visits
  • Over 18,000 planned preventative visits
  • Over 5,000 air conditioning and electrical tests and inspections.
" Kier have been instrumental in working with Ericsson to transform the delivery of the existing network maintenance solution from a time-consuming, unit based process to one where a proactive approach can now be taken which empowers Kier to manage their workflow with assurances and performance measured, daily, on an outcome driven basis. The operational delivery team at Kier have been, and continue to be, highly approachable and collaborative at all levels. "
Alan Robb Head of ASP Management, Vendor Operations and OHS Ericsson

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