OPA Professional Services Framework.

Wales

71310000 - Consultative engineering and construction services

71334000 - Mechanical and electrical engineering services

44600000 - Tanks, reservoirs and containers; central-heating radiators and boilers

45250000 - Construction works for plants, mining and manufacturing and for buildings relating to the oil and gas industry

71333000 - Mechanical engineering services

45100000 - Site preparation work

45231000 - Construction work for pipelines, communication and power lines

71500000 - Construction-related services

45200000 - Works for complete or part construction and civil engineering work

71200000 - Architectural and related services

71520000 - Construction supervision services

71330000 - Miscellaneous engineering services

9100000 - Fuels

71530000 - Construction consultancy services

45351000 - Mechanical engineering installation works

71240000 - Architectural, engineering and planning services

71540000 - Construction management services

45232000 - Ancillary works for pipelines and cables

45350000 - Mechanical installations

9000000 - Petroleum products, fuel, electricity and other sources of energy

71220000 - Architectural design services

45000000 - Construction work

71000000 - Architectural, construction, engineering and inspection services

71300000 - Engineering services

45230000 - Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork

energy products

fuel

power sources

petroleum

gas

electricity

renewable energy

fuels

energy carriers

combustible materials

energy supplies

tanks

reservoirs

containers

pressure vessels

water tanks

storage tanks

boilers

radiators

boiler units

central‑heating systems

construction work

building construction

civil engineering

infrastructure projects

site construction

building sites

structural work

construction services

renovation work

public works

site preparation work

land clearing

excavation

site grading

demolition prep

earthworks

groundwork services

foundation prep

site leveling

preparatory works

construction works

building projects

infrastructure

turnkey projects

structural construction

general contracting

site preparation

infrastructure pipeline & line work

highway and rail construction

airport runway & flatworks

power line construction

communications line civil works

road & railway infrastructure

airfield surface works

utility corridor build

flatwork construction

transportation linings and pipelines

pipeline installation work

utility line construction

telecom/power line trenching

underground utilities build

cable line works

conduit installation

energy/pipeline line construction

communications duct build

service line works

multi-utility pipeline erection

pipeline and cable support works

trenching and bedding installation

utility pathway construction

ducting and conduit works

pipeline access works

cable route preparation

utility corridor support

ancillary pipe/cable infrastructure

service route construction

pipeline/cable ancillary works

industrial plant construction

mining facility build

manufacturing building works

oil and gas infrastructure construction

factory civil works

industrial site development

processing plant construction

refinery building works

petrochemical facility build

heavy industry construction ([turn0search2]

mechanical installation work

machinery mounting

plant equipment installation

mechanical system setup

mechanical engineering installation

precision plant installation

heavy machinery integration

process equipment fitting

architectural services

building engineering

technical design

construction consultancy

structural engineering

inspection services

surveying

planning consultancy

facility design

architectural consultancy

urban planning

blueprint design

building drafting

design advisory

architectural planning

structural drawing

façade design

landscape architecture

building concept

building design

architectural drafting

detailed design

spatial planning

building layout services

façade planning

interior architectural design

exterior architectural design

residential architecture

commercial architecture

interdisciplinary design services

architectural engineering planning

integrated project consultancy

engineering planning

facility planning services

architectural-technical design

multi-disciplinary planning

design coordination

built environment consultancy

development planning

engineering consultancy

specialist engineering services

technical engineering solutions

engineering expertise

professional engineering

engineering advisory

engineering project support

technical engineering provision

multidisciplinary engineering

expert engineering services

construction advisory

technical project planning

civil construction consulting

infrastructure advisory

engineering strategy services

build feasibility consulting

structural planning advisory

construction engineering guidance

project consultancy

miscellaneous engineering

technical engineering services

specialised engineering solutions

engineering support services

technical project engineering

varied engineering provision

cross-disciplinary engineering

bespoke engineering services

engineering experimentation

custom engineering

mechanical systems design

machinery engineering

mechanical component design

mechanical installation services

mechanical equipment consulting

mechanical problem-solving

mechanical drafting

mechanical maintenance engineering

mechanical prototype development

mechanical analysis

M&E engineering

mechanical and electrical systems design

integrated M&E services

HVAC and electrical engineering

building systems engineering

M&E consultancy

mechanical‑electrical coordination

mechanical electrical installation

M&E technical services

M&E design and maintenance

building construction support

site utilities installation

earthworks services

structural framework setup

modular construction support

access infrastructure services

pre-construction services

temporary facilities setup

construction logistics

utilities trenching

waterproofing services

noise control implementation

heavy equipment operation

scaffold planning

site clearing services

project supervision

site quality enforcement

milestone tracking

compliance documentation

schedule adherence monitoring

build progress certification

contractor performance review

structural compliance verification

inspection reporting

stakeholder supervision coordination

on-site decision-making support

technical conformance assurance

safety plan enforcement

workmanship validation

specification compliance checks

technical advisory services

pre-tender consultancy

buildability assessment

construction optimization analysis

sustainability compliance planning

cost control strategy

lifecycle cost analysis

site access planning

stakeholder requirement alignment

procurement strategy advice

tender document drafting

schedule simulation

project viability appraisal

construction logistics analysis

value engineering assessment

site operations management

contractor scheduling

budget reconciliation

change order administration

resource planning

workflow optimization

risk mitigation planning

site logistics strategy

milestone target planning

cost overrun analysis

deliverable verification

contractor briefing

document control system

project communication coordination

contract closure process