Glossary
Working definitions in plain English — the vocabulary of UK construction compliance.
CDM 2015
The Construction (Design and Management) Regulations 2015 — the law governing how construction projects are organised for health and safety, from domestic jobs to major schemes.
CPP
Construction Phase Plan — the document CDM 2015 requires before construction begins, describing how the phase will be managed and its significant risks controlled.
Principal Contractor (PC)
The contractor appointed under CDM 2015 to plan, manage, monitor and coordinate the construction phase where more than one contractor is involved.
Principal Designer (PD)
The designer appointed under CDM 2015 to plan, manage and coordinate health and safety in the pre-construction phase.
RAMS
Risk Assessment and Method Statement — the paired documents describing a task’s hazards, controls, and the sequence of work.
ITP
Inspection and Test Plan — the schedule of inspections and tests for an activity, with intervention levels and the records each step produces.
Hold point
A defined stage beyond which work must not proceed until a named party inspects and releases it — used in ITPs and temporary works permits.
PTW
Permit to Work — formal written authorisation for high-risk activities, with defined issue, conditions, supervision and hand-back.
COSHH
Control of Substances Hazardous to Health Regulations 2002 — assessment and control of exposure to hazardous substances.
RIDDOR
Reporting of Injuries, Diseases and Dangerous Occurrences Regulations 2013 — the legal duty to report specified workplace incidents.
LOLER
Lifting Operations and Lifting Equipment Regulations 1998 — planning of lifts, competence and thorough examination of lifting equipment.
PUWER
Provision and Use of Work Equipment Regulations 1998 — suitability, maintenance and safe use of work equipment.
Temporary works
Structures needed during construction but not part of the finished asset: falsework, formwork, scaffolds, props, excavation support, hoardings, crane pads and similar.
BS 5975
The British Standard covering procedural control of temporary works and the design of falsework. Our platform’s temporary works module is structured with reference to BS 5975-1:2024.
DI
Designated Individual — the senior person in an organisation responsible for its temporary works procedures under BS 5975 conventions.
TWC
Temporary Works Coordinator — the appointed person coordinating temporary works on a project: register, briefs, checks, permits.
TWS
Temporary Works Supervisor — supervises temporary works activity on site under the TWC’s coordination.
Design check categories (Cat 0–3)
Conventional grading of independent design checks, increasing in required independence and rigour with the complexity and risk of the temporary works.
Permit to load / unload
Temporary works hold-point permits: authorisation to load a temporary structure, and to take it out of use or strike it.
SSIP
Safety Schemes in Procurement — the umbrella for prequalification schemes assessing contractors’ health and safety arrangements.
PQQ
Pre-Qualification Questionnaire — the client questionnaire assessing capability, systems and insurances before tender.
IMS
Integrated Management System — one system meeting several standards (commonly ISO 9001, 14001, 45001) with shared documents, audits and review.
NCR
Nonconformity Report — the record of something not meeting a requirement, driving root-cause analysis and corrective action.
Corrective action
Action to eliminate the cause of a nonconformity so it does not recur — distinct from the immediate fix.
Management review
The periodic leadership review of a management system’s performance and adequacy, with recorded decisions.
UKAS
The United Kingdom Accreditation Service — the national body that accredits certification bodies. Accredited certification means the certifier is itself independently assessed.
CDE
Common Data Environment — the managed information environment (ISO 19650) through which project information is shared with controlled statuses.
HAVS
Hand-Arm Vibration Syndrome — the disease family caused by vibration exposure; prevention relies on exposure points tracking and tool management.
Gap analysis
A structured comparison of current arrangements against a standard or law, producing a prioritised closure plan.
Health and safety file
The CDM 2015 record for the client containing information needed for future construction, maintenance and demolition of the asset.