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engineering services

By combining technical and operating excellence with an understanding of regulatory environments and robust project management, we deliver safe, efficient and compliant capital projects.

We service a diverse client base and support most industrial sectors.

px group’s engineering services division is a talented team of highly qualified engineers and designers  delivering engineering services to clients in oil & gas, power, petrochemical and general construction.

Most of the team members within the division are senior engineers, managers and designers who not only have exceptional engineering experience, but who have direct operational experience of our clients’ facilities.

The engineering services division combines technical and operational knowledge, a sound understanding of regulatory environments and robust project management we are able to deliver safe, efficient and compliant capital projects.

project management services

Our team can support your project throughout its lifecycle. Project management support ranges from onsite project engineering, to project management of multi-discipline EPCm projects applying NEC Contracts.

We adopt a proven, standardised project management framework to ensure all projects are delivered as part of an efficient, systematic and auditable Project Management System (PMS).

Our PMS incorporates a structured sequence of project phases, stages and stage gate reviews. This ensures all projects are delivered in a consistent, timely and cost-effective manner.

Project management support ranges from onsite project engineering, to project management of multi-discipline EPCm projects applying NEC Contracts.

We can support your project through its entire lifecycle:

Initiation

  • Identify

Planning

  • Feasibility & Optioneering
  • Concept Evaluation & Selection
  • Concept Definition (FEED)

Implementation

  • Design
  • Execution
  • Commissioning

Operational

  • Handover
  • Support
engineering and design consultancy

Engineering design services are a core part of our engineering business and include conceptual design, feasibility studies, Front End Engineering Design (“FEED”) and detailed engineering.

conceptual design

We have developed our own projects and advised a number of major energy companies, both in the UK and Europe.

In terms of conceptual design, px group has developed a 1020 MW CHP scheme on Teesside, UK (Thor Cogeneration Ltd). This project is Greenfield and consideration has been given to all areas of design including general site, gas turbines, steam turbines, heat recovery steam generators, cooling systems, export capacities and site services in order to meet the project requirements.

In particular, the group has considered areas such as:

  • Liaison with OEMs for best fits
  • Operating flexibility i.e. baseload, part-load, two shifting, peaking
  • HRSG selection – conventional versus once through
  • Cooling Tower – wet versus dry
  • Fuel flexibility i.e. fuel spiking
  • Integration of customers steam requirements
  • Reliability and availability
  • Redundancy for maintaining steam supplies
  • Operating efficiencies
  • Environmental requirements
  • Compliance with Grid Operator requirements

The project received Section 36 consent in August 2008 and was sold to a major utility company in November 2008.

feasibility studies

Our team has extensive experience in developing feasibility and FEED studies for an array of international clients across the spectrum of industry.

The main commercial purpose of a feasibility study is to evaluate the economic viability of the proposed project and answer the question: “Does the idea make economic sense?”

The study should investigate the business opportunity, including investigation of all the difficulties and risks that may stand in the way of the project’s success.

The conclusion of the feasibility study will indicate whether or not to proceed with the proposed project.

If the results of the feasibility study are positive, then the next stage would be to undertake a FEED study.

A feasibility study examines three main areas:

  • Market (internal/external)
  • Technical and organisational
  • Financial

front end engineering & design

A Front End Engineering & Design (FEED) study is a vital starting point for any development.

px group has the expertise and resources to help our clients at every stage of the process.

Coming after the feasibility study, the FEED focuses on the key technical requirements of the project as well as high level investment costs and is used as the basis for developing the detailed design and EPC tender packages.

We understand the importance of this critical stage in project development and ensure that the study reflects clients’ specific requirements by maintaining close communication throughout the duration of the study.

reliability & maintainability

Central to a design review of this type is the production of a Reliability, Availability and Maintainability (RAM) study.

The RAM study sets out to ensure that the facility being modelled will achieve its designed (or target) availability.

A typical RAM study will investigate the major process units and take account of redundancy, planned and unplanned shut downs.

The RAM study will aim to identify the probability that an asset will fail and, upon failure, how long it will take to repair.  The benefits of undertaking such as study include:

  • Estimation, prediction and confirmation of future production performance against the target
  • Indentification of critical loss contributors in order to make informed design improvement decisions
  • Indentification of malfunctioning/poor standard equipment by comparison with predictions
  • Provision of valuable information to determine the correct maintenance strategies and philosophies

engineering design

px group designs, engineers and manages projects across the whole range of engineering sectors.

We have the flexibility and the strength to be able to deliver large or small projects successfully anywhere in the world.

The engineering disciplines we cover include:

  • Process engineering
  • Piping engineering
  • Mechanical engineering
  • Material handling
  • Instrument and control engineering
  • Electrical engineering
  • Civil and structural engineering
  • Building services

 

quality management

All px design, engineering, procurement, construction and commissioning activities are controlled under an ISO 9001:2008 accredited Quality Management System (QMS).  This assures all client’s that we will deliver exactly what is required, on time, on budget and to an appropriate quality.

Our QMS is available to all its personnel, whether at head office or on site, via the intranet and this on-line access guarantees up-to-date standards and procedures are accessible throughout the distributed organisation.

We take pride in the quality of the work it undertakes as evidenced by their investment in developing and implementing the QMS.

 

process safety consultancy

Our technical studies range from full management of process safety requirements for new design, or retrospective analysis of existing plant.

The engineering services team offers specialist process safety consultancy services that support our clients’ onshore and offshore facilities in the oil and gas, petrochemical and industrial sectors.

Our technical studies range from full management of process safety requirements for new design, or retrospective analysis of existing plant.

The services include:

Hazard and risk assessment – facilitating and conducting HAZID, PHR and HAZOP studies, and ALARP workshops.

Allocation of Safety Functions to Protective Layers – our Safety Integrity Level (SIL) determination techniques include Calibrated Risk Graph, Layers of Protection Analysis (LOPA) and Fault and Event Tree Analysis (FTA/ETA) for more complex systems.

QRA – Process Failures QRA or Parts Count QRA including Individual Risk Contours, Societal Risk Implications and FN Curves.

Fire and Explosion Risk Analysis (FERA) – FERA can be performed at concept, FEED, detailed design or the operating facility phase of the lifecycle. FERA relies on the layout of the facility, so our team can provide assessments at any stage of a project, using DNV.GL PHAST and SAFETI.

Occupied Building Risk Assessment (OBRA) – we can provide a fully supported service to assist a client whether this is being done retrospectively or as part of a new project including building protection requirements – control room, equipment buildings etc.

Design Safety Review – conduct Design Safety Reviews for projects in early stages of design. This provides clients with confidence that the main hazards have been addressed or are addressed at the next stage of design.

Safety Report / Safety Case Preparation – assessing and producing safety cases and reports to comply with regulatory requirements.

DSEAR – Reg.5: Risk Assessment, Reg.6: Elimination / Risk Reduction, Reg.7: Hazardous Area Classification (HAC) / Ex Equipment Selection.

Evacuation, Escape and Rescue Analysis (EERA)  developing on-site and offsite emergency response plans. Examining gaps and vulnerabilities in the design of a process or operation of a facility. In addition, EERA studies focused on the ability of a worker to escape, evacuate and become rescued during an incident.

Process Safety Management (PSM) providing a framework for a robust PSM system. This can include identifying Key Risks and developing leading and lagging Process Safety Performance Indicators (PSPI’s).

Alarm Handling and Prioritisation – full support for alarm handling studies aligned to EEMUA 191 guidance.

Flare Radiation Study – allocation of flare and vent hazard zones (thermal radiation) including dispersion results in accordance with IGEM 23.

COSHH Assessment – COSHH risk assessment for clients possessing or using hazardous chemicals.

Best Available Technique (BAT) Assessment – we help clients ensure that processes and operations are in line with current BAT but using latest industry knowledge and benchmarking practices.

Atmosphere Dispersion Modelling – we are experts in applying air dispersion models to support permit applications for new and modified facilities, environmental impact assessments, fatal flaw and feasibility analyses, air monitor placement and health risk assessments.

Fire and Gas Mapping – support in identification of hazard zones for Fire & Gas detector layout studies (mapping studies).

Safety Management Systems (SMS) – we assist with the set-up of a robust SMS – either through overall company Health and Safety Management (HSG 65) or more localised at plant level, e.g. Permit to Work Systems and Risk Assessed Procedures.

Cost Benefit Analysis (CBA) – we support client’s ALARP demonstrating by using CBA to aid judgement on whether further risk reduction measures are practicable on the basis of avoidance of casualties over the life of the plant.

Gap Analysis – the Gap analysis service measures against standards and good practices, identifying client shortfalls.

Human Factors – Human Task Analysis and Human Error Assessment and Reduction Technique (HEART).

functional safety consultancy

Our team provides full Safety Instrumented System (SIS) life-cycle support service, from process hazard risk assessment through to decommissioning. We also provide independent functional safety assessment and audit services.

Our team provides full Safety Instrumented System (SIS) life-cycle support service, from process hazard risk assessment through to decommissioning. We also provide independent functional safety assessment and audit services.

This work is in line with the benchmark industry standards BS EN 61508/61511.

Our core support areas include:

Safety Life-Cycle Planning development of detailed Functional Safety plans fully aligned and integrated within the overall project plan. Supporting the plan, we can develop specific strategy documents for key project phases; FAT, commissioning, validation etc.

Hazard & Risk Assessment we can facilitate and conduct HAZID & HAZOP studies as well as ALARP workshops.

Allocation of Safety Functions to Protective Layers our Safety Integrity Level (SIL) determination techniques include Calibrated Risk Graph, LOPA and Quantitative Risk Assessment.

Safety Requirement Specifications (SRS) development of SRS’s for new Safety Instrumented Functions (SIFs) to either the clients’ preferred or our own proven internal format. We can also carryout verification of clients’ existing SRSs and amend, where necessary, to incorporate required data fields.

SIS Design & Engineering our services include a design & engineering team capable of designing SIFs up to SIL 3 with fully independent verification processes.

SIF Proof Testing specialists in the production of Proof Test and Inspection Procedures utilising a structured, systematic approach to reveal dangerous failures which are undetectable during normal operation in line with the requirements of equipment safety manuals and assumed proof test coverage factor.

Independent Functional Safety Audit & Assessment providing a truly independent service in terms Functional Safety Audit and Functional Safety Assessments – Stages 1 to 5.