Prime Environmental Services Ltd
Prime Environmental Services Ltd


Cleveland Clinic - 33 Grosvenor Place, London 


Client: SES Engineering Services ltd

Type of Contract: Commissioning Management 

Project commencement: March'20 - Present 




The Cleveland Clinic project is a new build located in Grosvenor Place London that will provide a premium private medical facility for the area. SES will complete the mechanical, public health and building management systems as contracted.

Prime have been appointed to provide commissioning management for the SES project team providing key skills such as; programme updates, troubleshooting expertise, progress tracking, thorough documentation and RAMS reviews, meeting attendance, pre-client witnessing and general quality assurance checks. 


Key mechanical services on the project are; 

  • LTHW & Steam Boilers
  • Chillers 
  • DX systems 
  • Domestic Water Services and RO plant 
  • 36 Air Handling Units
  • Smoke Extract 
  • Advanced air system compromising of 900+ MSFDs 
  • BMS 

Royal London Hospital - COVID-19 fit out wards


Client: SES Engineering Services ltd

Type of Contract: Commissioning Management 

Project Duration: March - April 2020



Prime were appointed by SES Engineering Services to carry out the Commissioning Management of Royal London Hospital, a 2 floor M&E fit out for potential COVID-19 patients. The project had a 5 week turnaround due to the circumstances and was completed, on time, to a very high standard conforming to HTM compliances. Prime had 3 operatives based at the project working a mixture of days and nights, 7 days a week to ensure the commissioning process was correctly sequenced and managed.  An ‘all hands on deck’ approach was the attitude adopted by everyone involved and it was a valiant effort to get the project handed over on time. Prime’s involvement on the project was from start to finish, assisting with commissioning and water treatment methodology (which had to be carefully managed so not to effect live hospital wards across other floors), RAMS review, assisting the teams on site with any issues encountered, daily commissioning meetings were held to discuss progress and plan the commissioning activities.

Prime were also tasked with witnessing all elements of electrical and mechanical commissioning and creating the index and sign off sheets for all commissioning documentation which fed directly into the O&Ms. Prime were the point of contact for the Trust’s representatives who were based on site and tasked to validate and sign off the building services on behalf of the NHS. This partnership was fluid with both parties adopting the same positive attitude to not hinder the project but have the best possible standard of works completed.                                                           

M&E Services on the project as follows;


Fire Alarm

Access control

Small power and lighting (lighting control and emergency lighting)

Ductwork Cleanliness

Ventilation commissioning including smoke extract

Water Treatment and balancing

Chlorination and tap temperature verification

Medical Gas

DX systems

Nurse call points


Public health

Cause and Effect

Bart’s Square Phases 1 & 3 - London EC1

Client: SES Egineering Services ltd / McLaren / Carillion 

Architect: Sheppard Robson

Type of Contract: Commissioning Management

M&E Consultants: SWECO

Project duration: March'16 - March'20

Prime ES were appointed as Commissioning Managers to Main Contractor at Phase 1 and SES Engineering Services for Phase 3 of this prestigious development. 

Bart’s Square is a residential development within the City of London consisting of 235 (Ph1-144 & Ph3-91) luxury apartments plus retail space and landlords shell & core infrastructure. A resident’s amenity area is included with a screening room for 20 people, a bar/lounge and a private dining/meeting room. There is provision for car parking and bicycle storage at lower ground level.

Phase 1 & 3 is provided with District Heating & Cooling to 6x Plate Heat Exchangers which is circulated to each apartment via HIUs & CIUs within individual MEP cupboards. This process was carefully managed to ensure both the client and energy provider were satisfied with the end product to obtain a seemless handover and adoption. 

A total of 11 blocks and 2 basements were individually handed over to the client and full systems C&E / IST carried out for each buildings Practical Completion. Both Mechanical and Electrical services were integrated from Phase 1 - 3, Prime playing a key role in these activities to ensure tennanted apartments were kept to minimal disruption.


Key M&E Services for the project; 

  • Full KNX home automation
  • Titan Heating and Cooling controls 
  • District Heating & Cooling 
  • 2 x life saftey generator and PLC system
  • ATS  
  • Fire Alarm 
  • Sprinkler systems
  • Building security
  • TV & Data  
  • COLT and Advanced Air smoke ventilation systems
  • Lighting control & Emergency lighting 
  • BMS

Colt, Les Ulis Data Centre – Paris

Client: ESG

Type of Contract: Commissioning Management

Date Commenced: December 2016

Prime ES have been selected by ESG to provide specialist Commissioning Management services to their expanding European data centre solutions division.


Prime commenced onsite in Paris in December 2016, supplying bi-lingual Commissioning Management support to ESG’s project delivery team.


Les Ulis is Colt’s flagship Paris Data Centre; it is a Modular built facility with a total power provision of 20MVA. Incoming power is generator backed and decentralised N+N static UPS support to the Data Modules. The Data Modules are supplied by two independent 2 MVA electrical feeds (A&B).


Technical Design Data

  • Carrier Neutral Colocation
  • Design PUE (Power Usage Effectiveness Index or energy efficiency) of 1.21
  • Generator backed 20MVA Power Supply
  • Dual UPS support to critical load
  • Adiabatic cooling
  • Gas Suppression Fire Protection
  • Very Early Smoke Detection Alarms (VESDA)

Modular design principles are founded on the industrialization of production and speed of deployment.

Telehouse TN2 Data Centre

Canary Wharf - London

Client: Mace

Type of Contract: Commissioning Management

MEP Consultant: Cundall

Date Commenced: September 2016


Prime ES were appointed by main contractor Mace in September 2016 as Commissioning Management support to their Canary Wharf TN2 Data Centre project.

Telehouse North is an advanced colocation data centre.

  • Awarded BREEAM Excellent standard
  • The world’s first multi storey adiabatic cooling system
  • 8 x Generators with N +1 redundancy with a total capacity of 18.5MW



Telecity 6-7 Harbour Exchange - London Docklands


Client: Essex Services Group (ESG)

Type of Contract: Commissioning Management

M&E Consultants: MEIT

Project Duration: July 2015 - February 2016




Prime Commissioning Management Services to Phase 2 Telecity Data Centre expansion:


Levels 3 and 4 fit out as data hall, plus associated additional M&E plant at roof level and within

adjacent energy centre.


  • 3MW of customer capacity added
  • Designed as a Tier 3 data centre, delivering high levels of resiliency and redundancy

iO Modular Data Centre - Slough

Client: iO

Type of Contract: Commissioning Management

Date commenced: Nov 2014

Date of completion: July 2015

In November 2014 Prime were appointed Commissioning Managers to North American Data Centre specialist IO for their new Slough-based facility. Following successful completion and handover of Phase 1, Prime were retained to manage the commisioning of further expansion at the facility

The Data Centre uses the first international deployment of BASELAYER's advanced ECO modules using outside air cooling, backed by traditional chilled water technology.

This 10,405 sq m colocation site is provided with 20 MVA of core power infrastructure (Phase1). Power backup is via 2.5MVA Caterpillar diesel generators (Up to 7 Units) + Modular UPS deployment in 1.3 MVA increments.

IO runs five other facilities worldwide including, Singapore, Phoenix, Scottsdale, Ohio and New Jersey. This is their second modular Data Centre outside of North America, following Singapore in 2013.

AWE Project Phoenix - Berkshire

Client: Shepherds Engineering Services (SES)

Type of Contract: Commissioning Management

Date commenced: Oct 2013

Date of completion: Jan 2015

Prime were appointed commissioning managers in October 2013 by SES for this £12.5m MEP contract package. Project Phoenix is a new Conventional Manufacturing Facility for AWE at their Burghfield site. The facility provides 8000 sq m of integrated climate controlled floor space. Following rigorus testing & inspection in conjunction with AWE engineers, the project was successfully handed over in January 2015



South Hampstead High School- London

Client: Essex Services Group (ESG)

Type of Contract: Commissioning Management


  • Value: £14 million New build contemporary designed school including a new sports hall

  • Designed and Commissioned to achieve a BREEAM 'Excellent' rating

  • Mechanical and electrical packages include CHP plant, chillers, and fan coil units as well as AHU’s, mains water distribution, sprinklers, BMS, electrical distribution, small power, PV Solar, interior and exterior lighting


Royal London Hospital - Whitechapel

Client: Skanska

Location: Whitechapel London:

Type of Contract: Validation & Commissioning Consultancy

Isolation room Airtightness proving Energy Auditing

Approved Contract Period:

Date commenced:  June 2008

Date of completion:  Feb 2014

The Royal London Hospital provides district general hospital services for the City and Tower Hamlets and specialist tertiary care services for patients from across London and beyond. Britain’s biggest new hospital includes London’s leading trauma and emergency care centre, one of Europe’s largest renal services and one of the UK's biggest paediatric services, provided within a dedicated Women and Children’s Hospital, with London’s Air Ambulance, operating from the top of the new building.

Prime were appointed to the project by Skanska to provide commissioning consultancy and validation services. These included providing a design peer review, the commissioning strategy, commissioning programme and real-time trade contractor progress monitoring & reporting,, commissionability review of all systems and the validation and acceptance of final commissioning results.

Data City Exchange - Birmingham

Client: Aggmore

Type of Contract: Commissioning Management

M&E Consultants: PAE Consultants (Concept design)

Contract duration; Dec 2012 – Aug 2013

Data City Exchange Birmingham Campus provides 110,000 square feet of high security, modular data centre space based on its own Evo-POD data centre design.

Design features;-

  • Modular Data Centre Space offering 8 x 400 - 1200kW 96 Rack Modular Build Evo-PODs
  • EVO-PODs designed to the Uptime Institutes Tier 3 standard and ASHRAE 2011 Thermal Guidelines for Data Processing Environments Class A1
  • Low PUE (Power Usage Efficiency) value

Commissioning Management of M&E Services including;-

  • Chilled/condenser water system inc. 80,000 litres buffer vessel integrated within the chilled water system
  • Chilled Water system, utilising cooling towers to benefit from free cooling
  • Fully integrated BMS system interfacing with EMS, fire alarm and all services infrastructure equipment
  • Energy Monitoring System (EMS)
  • Switchgear supplies A & B to critical parts of the system
  • PLC Controlled Generator Back-up
  • 2 x 500kVA Static UPS Systems
  • P1 fire alarm system ucombined with VESDA smoke aspiration systems

View Road - Highgate, London

Client: Harrison Varma

Type of Contract: Commissioning Management

M&E Consultants: Hoare Lea

Contract duration; Dec 2012 – Dec 2013

Harrison Varma's View Road development consists of two new build residential developments situated in Highgate North London, each with a market value £25m. Each home is built to a high specification comprising cinema rooms, games rooms, swimming pools, staff quarters, plant rooms, primary living rooms and bedrooms with en-suites and dressing rooms divided over four floors. Prime were appointed Commissioning Managers on behalf of the developer Harrison Varma.

Design features;-

  • Concealed comfort cooling and heating VRF system with MVHR
  • All occupied areas fitted with electric under floor heating, including wet areas i.e. bathrooms / toilets on 1st & 2nd Floors. Ground Floors and Basement served by LTHW Under Floor Heating
  • Zoned HWS & CWS including solenoid leak detection system
  • Integrated BMS and ELAN (Emulated Local Area Network) Home Automation Systems
  • Rainwater Harvesting & Automated Garden Irrigation
  • Passenger lifts
  • Basement Swimming Pool, Gymnasium & Steam Room
  • Basement cinema & Bar area

Oracle Apartments - Hampstead, London

London Evening Standard Homes & Property, New Homes award winner

Client: Harrison Varma

Type of Contract: Commissioning Management

M&E Consultants: Hoare Lea

Contract duration; April – October 2012


The Oracle Apartments consist of seven high-end residential homes with secure underground parking situated on prestigious West Heath Road Hampstead. Prime were appointed Commissioning Managers on behalf of the developer Harrison Varma. 


Design features;-

  • Concealed comfort cooling and heating VRF system with MVHR
  • All occupied areas fitted with electric under floor warming, including wet areas i.e. bathrooms / toilets
  • All hot water provided via LTHW heat exchangers served from CHP Unit and supplemented with centralised Boiler plant
  • Centralised BMS Controls
  • Rainwater Harvesting & Automated Garden Irrigation
  • Two dedicated 8 person lifts
  • Secure, gated access control system with integrated video entry for pedestrian visitors
  • Infrared CCTV monitoring systems with TV interface
  • Wireless building wide integrated fire alarm system


RAF Wyton Phase I RAF Wyton Phase I

RAF Wyton - Cambridgeshire

MOD Secure Data Processing Facility


Client: Skanska

Type of Contract: Commissioning Management

Architect: Scott Brownrigg

M&E Consultants: WSP

Contract duration 2010 - 2013


Phase I consitsed of an 8MW £150m secure data processing facility at RAF Wyton, Cambridgeshire, part of the Defence Intelligence modernisation programme. The Prime Team provided Commissioning Management services from design review stage through to Practical Completion

Practical completion was achieved following a long rigorous Integrated Systems Testing regime, designed and managed by Prime

We are proud of our key role on behalf of Skanska in achieving the successful and timely delivery of this important Defence Intelligence facility to the MOD in December 2011

Prime were subsequently retained by Skanska to complete Phase II, Support and Maintenance Facility – successfully handed over to the Ministry of Defence in May 2013

RAF Wyton Phase I & II RAF Wyton Phase I & II





“The quality of the facilities provided are exemplary”

– MOD Defence Intelligence May 2013

South Place Hotel, London

Client: McLaren Construction Ltd

Type of Contract: Verification Engineers

M&E Consultants: Hoare Lea

Contract completion; October 2012


South Place Hotel is a new boutique hotel constructed at 3 - 4 South Place in the City of London. The building is 10 storeys with 5 floors of hotel rooms with 80 guest rooms in total. Front of house areas comprise entrance foyer, brassiere, bars, function rooms, sauna, steam room, gym and restaurants. Support facilities and plant are provided in the basement with further plant at roof level. Kitchens in the basement, ground, first and seventh floors.

Commissioned to BREEAM Excellent rating



Four Seasons Hotel - Park Lane, London

Client: Beck Interiors

Type of Contract: Commissioning Management

M&E Consultants; i.d.a

Contract duration; Mar 2010 – Feb 2011

Prime were appointed Commissioning Managers to the project by the main contractor Becks Interiors

Design features;

  • CHP
  • Sprinkler & Water mist System

  • Fourpipe FCU System (Guest rooms)

  • Front of House VAV System

  • Under Floor Heating

  • Cold Rooms

  • INNCOM System (Integrated guest room automated control system)

  • Spa

  • Centralised BMS

Regents Place - London

Client: British Land PLC

Type of Contract: Commissioning Management

M&E Consultants: Watkins Payne

Contract completion; 2009  


This £195m commercial mixed use development is comprised of two commercial office buildings (366,000 ft² grade A office space) sited at the new Triton Street, a residential building on Osnaburgh Street comprised of 154 apartments within a twenty storey tower,  a community theatre (New Diorama Arts Centre) and  7,940 ft² of A3 retail space.

Our commissioning management services throughout the construction phase ensured a successful completion of the project*


Completed in 2009 the development achieved BREEAM Excellent environmental ratings


  • Residential excellent Ecohomes rating

  • Offices excellent BREEAM rating

  • Photovoltaic cells

  • CHP

  • Rainwater harvesting

  • Solar thermal panels

  • Green roof

*Regent Place Commissioning Managemet by Prime staff on behalf of Commtech Group

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