Pre-Fabrication Detailing Lead

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Reporting to the Prefabrication Manager, this position is based in our London Office. The Pre-Fabrication Detailing Lead will be responsible for the production of manufacture drawings for offsite Assets including pump skids, Multistorey risers and Combined distribution modules.



As a senior member of the team, the Pre-Fabrication Detailing Lead will be an exemplar ambassador for the company and its values; integrity, dependability, safety, pride, quality.



Overview of knowledge required:


  • Detailed knowledge of the Pre-Fabrication Detailing Lead role
  • Detailed knowledge of piping design and spooling requirements
  • Degree or Trade qualified in a Mechanical / Building Services Engineering or related HVAC Discipline
  • 8-10 Years’ experience in a similar role
  • Advanced knowledge of 3D software including Autodesk AutoCAD, Revit and Fabrication MEP.



Roles and responsibilities:


  • Production of 3D models and manufacture drawings for offsite modules.
  • Generation of piping Isometrics from P&IDs & Material Specifications.
  • Design of optimum Plant room equipment layouts for efficient services routing.
  • Ensuring proposed designs are developed in compliance with the factory requirements, equipment details, logistics and final location constraints.
  • Issue completed 3D models to project teams for incorporation into the federated model.
  • Review and interrogation of designs to optimise installation and pre-fabrication opportunities.
  • Development of templates and Standards, Methods and Procedures (SMP’s) in relation to Prefabrication detailing to ensure a consistent quality of delivery is produced.
  • Manage 3d content library and models in line with technical submittals.
  • Incorporating Lessons learned and feedback from projects and the fabrication facility team into the SMP’s.
  • Lead a team of detailers, assigning resources to project and ensuring works are completed in line with defined SMP’s.
  • Identify workload peaks and Liaise with 3rd parties, ensuring works are completed to program and in line with the SMP’s.
  • Tracking of worked hours per asset and reporting for all team members on a weekly basis.
  • Liaising with 3rd party structural engineers to ensure produced drawings are receive structural sign off.
  • Management of the delivery schedule in line with the Contract Programme
  • Development and management of Pre-Fabrication programme whilst working with the Prefab Manager.
  • Production of progress reports in line with Pre-Fabrication programme identifying any potential delays and implementation of any required mitigation measures.
  • Seeking to clarify queries with the Design team through request for information (RFI) system
  • Producing look ahead programs to assist production
  • Carrying out Quality Control through inspections and snagging both during Pre-Fabrication build and once Pre-Fabrication components are received at site
  • Carrying out document control, recording & transmitting information to other members of the Project Team
  • Production of all necessary Engineering documentation to support the Pre-Fabrication strategy



Behaviors & Attitudes Required:


  • Ability to prioritize workload
  • Recognises own strengths and weaknesses and committed to ongoing development
  • Acceptance of responsibility and accountability



Please contact Sean Hitchman on 07553002453 / sean.hitchman@dornangroup.com to find out more.


#LI-SH1

”, “datePosted”: “2026-05-14”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Dornan”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__431715670__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=4” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: Dornan
Apply for the Pre-Fabrication Detailing Lead
Location: London
Job Description:

Reporting to the Prefabrication Manager, this position is based in our London Office. The Pre-Fabrication Detailing Lead will be responsible for the production of manufacture drawings for offsite Assets including pump skids, Multistorey risers and Combined distribution modules.

As a senior member of the team, the Pre-Fabrication Detailing Lead will be an exemplar ambassador for the company and its values; integrity, dependability, safety, pride, quality.

Overview of knowledge required:

  • Detailed knowledge of the Pre-Fabrication Detailing Lead role
  • Detailed knowledge of piping design and spooling requirements
  • Degree or Trade qualified in a Mechanical / Building Services Engineering or related HVAC Discipline
  • 8-10 Years’ experience in a similar role
  • Advanced knowledge of 3D software including Autodesk AutoCAD, Revit and Fabrication MEP.

Roles and responsibilities:

  • Production of 3D models and manufacture drawings for offsite modules.
  • Generation of piping Isometrics from P&IDs & Material Specifications.
  • Design of optimum Plant room equipment layouts for efficient services routing.
  • Ensuring proposed designs are developed in compliance with the factory requirements, equipment details, logistics and final location constraints.
  • Issue completed 3D models to project teams for incorporation into the federated model.
  • Review and interrogation of designs to optimise installation and pre-fabrication opportunities.
  • Development of templates and Standards, Methods and Procedures (SMP’s) in relation to Prefabrication detailing to ensure a consistent quality of delivery is produced.
  • Manage 3d content library and models in line with technical submittals.
  • Incorporating Lessons learned and feedback from projects and the fabrication facility team into the SMP’s.
  • Lead a team of detailers, assigning resources to project and ensuring works are completed in line with defined SMP’s.
  • Identify workload peaks and Liaise with 3rd parties, ensuring works are completed to program and in line with the SMP’s.
  • Tracking of worked hours per asset and reporting for all team members on a weekly basis.
  • Liaising with 3rd party structural engineers to ensure produced drawings are receive structural sign off.
  • Management of the delivery schedule in line with the Contract Programme
  • Development and management of Pre-Fabrication programme whilst working with the Prefab Manager.
  • Production of progress reports in line with Pre-Fabrication programme identifying any potential delays and implementation of any required mitigation measures.
  • Seeking to clarify queries with the Design team through request for information (RFI) system
  • Producing look ahead programs to assist production
  • Carrying out Quality Control through inspections and snagging both during Pre-Fabrication build and once Pre-Fabrication components are received at site
  • Carrying out document control, recording & transmitting information to other members of the Project Team
  • Production of all necessary Engineering documentation to support the Pre-Fabrication strategy

Behaviors & Attitudes Required:

  • Ability to prioritize workload
  • Recognises own strengths and weaknesses and committed to ongoing development
  • Acceptance of responsibility and accountability

Please contact Sean Hitchman on 07553002453 / sean.hitchman@dornangroup.com to find out more.

#LI-SH1

Posted: May 14th, 2026