Prof Andrew McNaughton HS2 Ltd Technical Director 1 Developing HS2.
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HS2-HS2-PM-GDE-000-000002 | P02.4 | 03 May 2012
LWM Project dictionary
Revision Date Issued for/Revision details Revised by
P02.0 20/03/2012 Additions to acronyms and
definitions
P02.1 24/04/2012 Additions to acronyms and
definitions
P02.2 25/04/2012 Issued for Condition B review
P02.3 02/05/2012 Issued for Condition A review
P02.4 03/05/2012 Incorporates Condition A
comments
Name Data
FOI / EIR None
Document type Guide
Directorate London West Midlands
WBS
Keywords Dictionary, Acronyms, Definitions
Author
Owner
Review directorate
Employer’s lead reviewer
Authorised for use
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INTERNAL INFORMATION
LWM Project dictionary
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London West Midlands
LWM Project dictionary
Contents Page number
1 Executive summary.................................................................................................. 1
2 Acronyms................................................................................................................. 1
3 Definitions ............................................................................................................. 10
References
Title Reference
LWM style guide HS2-HS2-PM-GDE-000-000001
Plan template HS2-HS2-PM-TEM-000-000002
Procedure template HS2-HS2-PM-TEM-000-000003
Report template HS2-HS2-PM-TEM-000-000004
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1 Executive summary
1.1.1 This document provides comprehensive lists of all acronyms and definitions used
in LWM Project documentation.
1.1.2 Note that, although the lists are comprehensive, they may not be complete.
1.1.3 Notification of errors or omissions is welcome to the Quality Manager or by
email to
2 Acronyms
2.1.1 The following list of acronyms is under continuous development; refer to the
Definitions section as required.
2.1.2 Feedback on accuracy and / or omissions is welcome:
AA appropriate assessment
ACOP approved code of practice
ACWP actual cost of work performed
AEC architecture, engineering, construction
AFC anticipated final cost
AFR accident frequency rate
ALARP as low as reasonably practicable
AM Area Manager
AMINC Area of Metropolitan Importance for Nature Conservation
AOD above ordnance datum
AONB area of outstanding natural beauty
AoS appraisal of sustainability
APA archaeological priority area
API application programming interface
AQL acceptable quality level
AQMA air quality management area
Arco Limited Suppliers of safety (PPE) equipment
ATO automatic train operation
ATOC Association of Train Operating Companies
BAP Biodiversity Action Plan
BCR benefit-cost ratio
BCWP budget cost of work performed
BCWS budget cost of work scheduled
BH borehole
BIM building information model
BPEO best practicable environmental option
BRE Building Research Establishment
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BS British Standards
BS EN European standard adopted as a British Standard
BW British Waterways
CA Contract Administrator
corrective action
CAAV Central Association of Agricultural Land Valuers
CAD computer-aided design
CAIC contract administration insurance coordinator
CAPEX capital expenditures
CAPM Contract Administration – Payments Manager
CAT contract administration toolbox
CBA cost benefits analysis
CBS cost breakdown structure
CCA contract commitment authorisation
CCC Committee on Climate Change
CDM Construction (Design and Management) Regulations 2007
(2007 No. 320)
CDM-C CDM Coordinator
CE compensation event
CEMP contraction environmental management plan
CEN European Committee for Standardisation
CEO Chief Executive Officer
ch chainage
CLA Country Land and Business Association (still known as CLA)
CLEA contaminated land exposure assessment
CLG see DCLG
CMP contract management plan
CMS construction method statement
CO2 carbon dioxide
CoCP Code of Construction Practice
COSHH Control of Substances Hazardous to Health
COTS Commercially available Off-The-Shelf
CPI cost performance indicator
CPO compulsory purchase order
CPRE Campaign for the Protection of Rural England
CRL Crossrail Ltd
CRN calculation of railway noise
change request notice
CRoW Act Countryside and Rights of Way Act 2000 (2000 c. 37)
CRTN calculation of road traffic noise
cSAC candidate Special Area of Conservation (SAC)
CTRL Channel Tunnel Rail Link (now High Speed One)
CV cost variance
curriculum vitae
D&A drugs and alcohol
dB decibel
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dB(A) ‘A’ weighted decibel
DC document control
DCLG Department for Communities and Local Government
(previously ODPM)
DCM Document Control Manager
DDA Disability Discrimination Act 1995 (1995 c. 50)
DECC Department of Energy and Climate Change
Defra Department for Environment, Food and Rural Affairs
DfT Department for Transport
DM LWM Delivery Manager
DMRB Design Manual for Roads and Bridges
DMS HS2 Ltd’s document management system
DP Development Partner
DSE display screen equipment
DTI Department of Trade and Industry
EA Employer’s Agent
Environment Agency
EAC estimate at completion
EAI Employer’s Agent instruction
EA PPG Environmental Agency Pollution Prevention Guidelines
EAR Employer’s Agent Representative
EAss energy assessment
eB enterprise bridge
EC European Community
European Commission
ECML East Coast Main Line
EDMS electronic document management system
EEC European Economic Community
EFC estimated final cost
EH English Heritage
EHO Environmental Health Office
EI Employer’s instruction
EIA environmental impact assessment
Environmental Investigation Agency
EIAC environmental impact assessment consultant
EIR environmental information request (under Environmental
Information Regulations, 2004)
ELCI Employer’s Liability Compulsory Insurance
ELR Employer’s lead reviewer
ELS enterprise license subscription
EMP environmental management plan
EMS environmental management system
EN European norm
English Nature
European standards for products and services maintained by CEN
EOC environmental oversight consultant
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EPM Employer’s Package Manager
EPPM enterprise project portfolio management
EqIA equality impact assessment
EQS environmental quality standards
ER Employer’s representative
ERTMS European Rail Traffic Management System
ES environmental statement
ETC estimate to complete
ETCS European Train Control System
EU European Union
EU ETS European Union Emissions Trading System
EVA earned value analysis
eVDV estimated vibration dose level
EVM earned value management
EW early warning
EWN early warning notice
EWR early warning register
EWRL East West Rail Link
FME Feature Manipulation Engine
FOI freedom of information
FTE full-time equivalent
GA general arrangement
GDP gross domestic product
GHz gigahertz
GIS geographic information system
geospatial information system
GLA Greater London Authority
GLAAS Greater London Archaeological Advisory Service
GLSMR Greater London Sites and Monuments Record
GMU geotechnical management unit
GQA Environmental Agency’s general quality assessment
GRIP Governance for Railway Investment Projects
GSM-R Global System for Mobile Communications – Railway
GSPZ groundwater source protection zone
GVA Gross Value Added
GWML Great Western Main Line
HA Highways Agency
H&S Health & Safety
HD hard disk
high definition
HGV heavy goods vehicles
HIA Health Impact Assessment
HMT Her Majesty’s Treasury
HR Human Resources
HRA habitat regulations assessment
HS1 High Speed One
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HS2 High Speed Two
HS2 Ltd High Speed Two Limited
HSE Health & Safety Executive
HSQ Health, Safety and Quality
HSSE Health, Safety, Security and Environmental
HS2IM HS2 Ltd’s Insurance Manager
HSR high-speed rail
ICE Institution of Civil Engineers
implemented compensation event
ICS International Classification for Standards
ID internal diameter
IEEM Institute of Ecological and Environmental Management
IEMA Institute of Environmental Management and Assessment
IM information management
Infrastructure Manager
IMD infrastructure maintenance depot
IMechE Institution of Mechanical Engineers
IMS integrated management system
IOSH Institute of Safety and Health
IPC Infrastructure Planning Commission
IPPC integrated pollution prevention and control
IT information technology
ITSO IT Security Officer
ISO International Organisation for Standardisation
IUK Infrastructure UK
JNCC Joint Nature Conservation Committee
JT journey time
km kilometre
kph kilometres per hour
KPI key performance indicator
LA90 average ‘A’ weighted sound pressure level for 90% of the time
LAeq equivalent continuous sound level (noise)
LAmax maximum ‘A’ weighted sound pressure level
LBs London boroughs
LBAP Local Biodiversity Action Plan
LBC listed building consent
LCA landscape character area
LDA London Development Agency
LDF local development framework
LDS local development scheme
LEZ low emission zone
LIDAR Light Detection and Ranging (also LADAR)
LLAU limits of lands to be acquired or used
LMH Leeds, Manchester, Heathrow
LNR local nature reserve
LP London Plan
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LOD limits of deviation
LOR line of route
LTE long term evolution
LUL London Undergound Limited
Lvl level
LWM London to West Midlands
m metric metre(s)
m2 an area of square metres
m3 a volume of cubic metres
MADA multi-attribute decision analysis
M&E mechanical and electrical
MB megabyte
MCCs motor control centres
MG made ground
MML Midland Main Line
mph miles per hour
MSCA master schedule of contracts under administration
MS managed systems
MSDS Material Safety Data Sheet
NAQIA National Air Quality Information Archive
NAQS national air quality strategy
NCC National Conservancy Council
NCE notice of compensation event
NCR non-conformance report
NEC New Engineering Contract
noise exposure category
National Executive Committee
NEC3 New Engineering Contract (Third edition)
NFU National Farmers Union
NG National Grid
NGR national grid reference
NMR National Monuments record
NNR National Nature Reserve
NO2 nitrogen dioxide
NPS National Policy Statement
NPV net present value
NR Network Rail
NTS non-technical summary
NVC National Vegetation Classification
O&M operations and maintenance (see OMC)
OB optimism bias
OBR Office for Budget Responsibility
OBS organisational breakdown structure
OC odour control
OD outside diameter
ODN Ordnance Datum Newlyn
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ODPM Office of the Deputy Prime Minister (now DCLG)
OHSAS Occupational Health and Safety Assessment Scheme
(BS OHSAS 18001:2007)
OMC Operations and Maintenance Centre
ONS Office for National Statistics
OOM order of magnitude
ORR Office of Rail Regulation
OS Ordnance Survey
OSGB36 Ordnance Survey Great Britain 1936 datum
PA preventative action
personal assistant
Parliamentary Agents
PAF price adjustment factor
PC project controls
personal computer
PD Project Director
PDF portable document format
PDFH passenger demand forecasting handbook
PDG project delivery group
PDRs property development rights
PII professional indemnity insurance
PM Project Manager
Performance Manager
PMIS Project Management Information System
PMO Project Management Office
PO purchase order
PPE personal protective equipment
PPG planning policy guidance
PPS planning policy statement
ppv peak particle velocity
PSC professional services consultant
PSCAP professional services contract administration plan and
associated procedures
PSF professional service framework
PSI potential strategic importance
PTS personal track safety
PV present value
PVB present value of benefits
PVC present value of costs
QA quality assurance
QC quality control
QMS quality management system
QRA quantitative risk assessment
RACI responsibility matrix (Responsible, Accountable, Consult, Inform)
RAG rating for issues or status reports, based on Red Amber Green
RBCA risk based corrective action
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RDBMS relational database management system
RFI request for information
RIBA Royal Institute of British Architects
RIDDOR Reporting of Injuries, Diseases and Dangerous Occurrences
Regulations 1995
RIGS Regionally Important Geological and Geomorphological Sites
(also known as Regionally Important Geological sites)
RIR The Railway (Interoperability) Regulations 2011 (2011 No. 3066)
ROGS Railways and Other Guided Transport Systems (Safety)
Regulations 2006 (2006 No. 1057)
(also, Amendment 2011 No. 1860)
ROSCO Rolling Stock Operating Company
RPG regional planning guidance
RSI repetitive strain injury
RSMD rolling stock maintenance depot (see T&RSMD)
RSPB Royal Society for the Protection of Birds
RSSB Rail Safety Standards Board
S&P Standard & Poors
SA sustainability appraisal
SAC Special Area of Conservation
SAM scheduled ancient monument
SAR strategic alternative review
SBI Site of Borough Importance for Nature Conservation
SCC species for conservation concern
SCI statement of community involvement
SE senior engineer
SEA strategic environmental assessment
SFRA strategic flood risk assessment
SGVs soil guideline values
SHE Safety, Health and Environment (alternate acronym to
Environment, Health and Safety (EHS) regulations)
SI statutory instrument
SINC Site of Importance for Nature Conservation
(see also SNCI and SMINC)
SMART specific, measurable, agreed, realistic and time-dependent
SMINC Site of Metropolitan Importance for Nature Conservation
(equivalent to SNCIs elsewhere)
SMR Sites and Monuments record
SMS safety management system
SNCI Site of Nature Conservation Interest (see also SINC and SMINC)
SNCO Statutory Nature Conservation Organisation
SoS Secretary of State
SP stated preference
SPA special protection area
SPI schedule performance indicator
SPLs significant pollutant linkages
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SPP statement of public participation
SPZ groundwater special protection zone
SPZ1 source protection zone 1
SQEP suitably qualified and experienced personnel
SQL structured query language
SSSI Site of Special Scientific Interest
STAR strategic tunnel alternative review
SV schedule variance
SVOC semi-volatile organic compound
T&RSMD traction & rolling stock maintenance depot (see RSMD)
TA transport assessment
TB terabyte
TBM tunnel boring machine
TEM toluene extractable material
TfL Transport for London
TIA traffic impact assessment
TOC train operating company
ToR terms of reference
TP trial pits
tph trains per hour
TPI tender price index
TPO tree preservation order
TSI technical specification for interoperability
TTM temporary traffic measures
U&Cs undertakings and commitments
UDP unitary development plan
UK United Kingdom
µm micrometre (one millionth of a metre)
UN United Nations
URL unique reference location
VDV vibration dose value
VE value engineering
VfM value for money
VIP vertical intersection point
VM value management
VOWD value of work down
WBS work breakdown structure
WCML West Coast Main Line
WEB with economic benefits
WebTAG web transport appraisal guidance
WEI wider economic impact
WFD water framework directive
WHO World Health Organisation
WP work package
ZVI zone of visual influence
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3 Definitions
3.1.1 The list of definitions is still under development; feedback on accuracy and / or
omissions is welcome:
‘A’ weighted
decibel
Internationally accepted unit for most noise measurement and which
represents the sound pressure level weighted to correspond to the
frequency response of the human ear. A difference of 3dB(A) may
just be noticeable and a difference of 10dB(A) represents a doubling
or halving of subjective loudness.
ACOP For the purposes of the Design Health and Safety procedure, ACOP is:
HSE L144 “Managing Health and Safety in Construction”.
Aesthetic Visual appearance
Air pollutants Amounts of foreign and / or natural substances occurring in the
atmosphere that may result in adverse effects on humans, animals,
vegetation and / or materials.
Air quality sensitive
receptors
People, property or designated sites for nature conservation that may
be at risk from exposure to air pollutants that could potentially arise
as a result of the proposed development / Project.
Ambient Surrounding. For noise, for example, it is the totally encompassing
sound in a given situation at a given time usually composed of sound
from many sources near and far.
Ancient woodland Land that has been continually wooded since at least 1600.
Annual mean
concentration
The average (mean) of the hourly pollutant concentrations measured
or predicted for a one year period.
Annoyance A feeling of displeasure evoked by noise.
Appraisal of
sustainability (AoS)
(i) An HS2 Ltd report which describes how high speed rail would
support objectives for sustainable development.
(ii) The AoS is the Employer’s Appraisal of Sustainability (AoS) report
for the concept design for the route for the Project, which describes
how the proposal would support objectives for sustainable
development. Sustainable development embraces considerations of
economic development and job opportunities, and effects on
communities, as well as environmental considerations such as
landscape, natural environment and climate change.
Area of
Outstanding
Natural Beauty
(AONB)
Statutory designation intended to conserve and enhance the ecology,
natural heritage and landscape value of an area of countryside.
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BAA British Airports Authority, the operator of five British airports,
including Heathrow airport, and Naples Airport in Italy.
Background
concentration
The contribution to the total measured or predicted concentration of
a pollutant that does not originate directly from local sources of
emissions.
Baseline The situation against which the potential impacts due to the proposed
development are assessed.
Baseline
concentration
Pollutant concentration for any scenario with the proposed
development / Project not in operation.
Benefit cost ratio
(BCR)
The net benefit of a scheme divided by the net cost to Government.
Birmingham
Interchange station
Interchange station on the proposed route which would allow access
to Birmingham international railway station, the National Exhibition
Centre and Birmingham Airport.
Bund An embankment which acts as a visual or noise screen.
Budget holder The individual or individuals holding budgets from which the change is
to be drawn.
CA The Employer’s Agent contract administrator supporting the
respective work package contract.
CAIC Contract Administration Insurance Co-ordinator; the DP
representative responsible for co-ordinating clause 81.2 of the C200
contract, insurance requests and information.
CAT (Contract
administration
toolbox)
A database of contract and insurance information used for validating
applications for payment.
CCA Contract commitment authorisation; the Employer’s agent procedure
for financial governance of contract change on the Project.
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CDM Coordinator (i) The CDM Coordinator (CDM-C) for the LWM Project will provide
suitable and sufficient advice:
• To HS2 Ltd management to help ensure compliance with CDM
regulations;
• On the selection of competent designers and contractors,
information required by them, co-ordinate health and safety
arrangements of planning and design work, ensure that HSE is
notified as necessary, advise on the suitability of the initial
construction phase plan, and prepare a H&S File;
• On management arrangements, but not the detail.
(ii) As defined in the Construction (Design and Management)
Regulations 2007, “the person appointed as the CDM Coordinator
under regulation 14(1)”. For the LWM Project, CH2M Hill Ltd has
been appointed as CDM Coordinator.
CDM risk register A risk register created by Designers to identify, and prioritise for
action, health and safety risk to contractors, operators, users or
others arising from their design.
CE The Employer’s chief engineer, as supported by technical directorate
specialists.
chainage Typically, a location identifier as indicated by a cumulative
longitudinal "mileage", using miles and chains, from a zero point at
the origin or headquarters of the railway, or the originating junction
of a new branch line. On the HS2 LWM Project, chainage will be in
kilometres at 0.2km intervals, each railway work having its own
chainage starting a zero [ 0 ] at the commencement of the work. The
commencement will generally be at the London end of the work.
Classic compatible
trains
A European high speed standard train adopted for the UK network of
conventional lines.
Compensation
event An event as defined in the NEC3 Professional Services Contract (PSC)
(clause 60.1 sets out compensation events).
Concept design The Project design which exists at the appointment of the framework
consultants.
Condition A Submission of deliverables to the Employer for acceptance.
Condition B Submission of deliverables to the Employer for comment.
conservation area In the UK, the term conservation area nearly always applies to an area
(usually urban) considered worthy of preservation or enhancement
because of its special architectural or historic interest, "the character
or appearance of which it is desirable to preserve or enhance," as
required by the Planning (Listed Buildings and Conservation Areas) Act
1990 (Section 69 and 70). More than 8000 have been designated.
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Consultant
representative The consultant’s contract representative with delegated authority.
Contract The terms and conditions relating to a package order issued under the
professional services framework agreement.
Contract
administrator The individual responsible for contract administration activities on the
contract.
Contractual
authoriser
An individual or individuals with delegated authority to make
contractual commitments on behalf of HS2 Ltd, in accordance with
the schedule of delegated authorities.
Conurbation A region comprising a number of cities, large towns, and other urban
areas that, through population growth and physical expansion, have
merged to form one continuous urban and industrially developed
area.
Conventional line The term, also known as classic line, that describes the existing UK rail
network (excluding HS1) to distinguish it from high speed lines.
Crossrail A new east-west railway linking Maidenhead and Heathrow Airport in
the West via tunnels under Central London to Shenfield and Abbey
Wood in the East.
Crossrail
interchange
Proposed interchange station in Old Oak Common, in outer London
providing access to Crossrail and other rail services including the
Great Western Main Line.
Cut Excavated material to be re-used within the development as ‘fill’ or
removed off-site.
Dates Completion dates and key dates as defined in the NEC3 Professional
Services Contract (PSC). Dates cannot be brought forward by a
compensation event.
datum A reference point, surface, or axis on an object against which
measurements are made.
Decibel Logarithmic ratio used to relate sound pressure level to a standard
reference level.
Design As defined in the CDM Regulation 2 as “includes drawings , design
details, specifications and bills of quantities (including specifications
of articles or substances) relating to a structure and calculations
prepared for the purposes of design”..
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Designer (i) A designer prepares drawings, design details, analysis and
calculations, specification and bills of materials. For a full definition,
refer to the Construction (Design and Management) Regulations
2007. Within the Project, designers must co-operate with the CDM
Co-ordinator and others, and provide information for the H&S File.
(ii) Designers are defined under CDM Regulation 2 “as any person
(including a client, contactor or other person referred to in these
Regulations) in the furtherance of a business who prepares or
modifies a design or arranges for or instructs any person under his
control to do so”.
Detailed design The development of the design to be carried out in the delivery phase
of the Project (approximately RIBA E to F / GRIP 5)
Development brief The document to be used to guide the detail design of individual plots
within the site and the controls on future operational activities.
Development
Partner
The Development Partner appointed by the Employer to provide
services under professional services contract number C200.
DfT (Department
for Tansport)
Government department responsible for transport policy in the UK.
Drive shaft launch
shaft
The main shaft from where the TBM is ‘driven’ forward from, i.e.
starts from. Excavated material is removed from and segments are
fed into the tunnel at the launch / drive shafts.
Dust Coarse particulate matter (between 1 and 75 µm (micrometre(s)) in
diameter) produced as a result of abrasive activities during the
construction phase of the development / Project.
Early warning
notice (EWN)
Early warning notice, as set out in clause 15.1 of the NEC3
Professional Services Contract (PSC).
Early warning
register (EWR)
Early warning register; the contract risk register as defined in clause
11.2 (36) of the NEC3 Professional Services Contract (PSC).
East Coast Main
Line (ECML)
An intercity rail route in the UK providing passenger services between
London and Edinburgh via Peterborough, Doncaster, Wakefield,
Leeds, York, Darlington and Newcastle.
Ecology Wildlife.
Effect The result of an impact on a particular resource or receptor.
Effluent The treated wastewater discharged from a sewage treatment works.
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Employer The Employer is the term used in the NEC3 contracts to describe HS2
Ltd. HS2 Ltd is also the client as defined by CDM 2007, which
stipulates that a client should ensure that for:
• Non-notifiable work - adequate funds for Health and Safety,
appointment of a competent designer, plan reviews,
communicate business needs and critical timings, appoint
competent contractor(s), adequate and suitable welfare facilities,
and continuous liaison between all parties
• Notifiable work - as for ‘non-notifiable work’, with the addition of
the appointment of a competent CDM Coordinator and Principal
Contractor, and effective progress of the Health and Safety file
until Project completion.
The Construction (Design and Management) Regulations 2007 provide
a full definition of a client.
Employer’s Agent
(EA)
The Employer’s Agent (EA) as defined in the NEC3 contracts is the
LWM Directorate (Development Partner) for the Project.
Employer’s Agent
instruction (EAI)
An instruction changing scope or a key date, or resolving an
ambiguity, inconsistency, illegal or impossible requirement issued to a
PSC.
Employer’s Agent
Representative
(EAR)
(i) The individual with delegated authority to act on behalf of the EA
for a specific contract or contracts.
(ii) The individual responsible for the day-to-day delivery of the
contracts and having delegated powers as the Employer’s Agent
Representative.
(iii) The individual with delegated authority to issue notices,
certificates and communications under the contract.
Employer’s
assessment
As defined in the NEC3 Professional Services Contract (PSC) (clause
64). An assessment is made by the Employer’s Agent in the event that
a consultant’s quotation is unable to be accepted or has not been
submitted.
Employer’s lead
reviewer
The Employer nominates an Employer’s lead reviewer to review a
Project contract deliverable and is responsible for coordinating the
Employer’s review teams and submitting comments on a review
template.
Employer’s Liability
Compulsory
Insurance (ELCI)
Insurance that employers must take out against the personal injury of
their employees; a legal requirement under the Employer’s Liability
(Compulsory Insurance) Act 1969.
Employer’s
representative
The Employer nominates an Employer’s representative to act on
behalf of the Employer under Contract C200.
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English Heritage The Government's statutory adviser on the historic environment.
Officially known as the Historic Buildings and Monuments Commission
for England, English Heritage is an executive Non-Departmental Public
Body sponsored by the Department for Culture, Media and Sport,
with principal powers and responsibilities are set out in the National
Heritage Act 1997 (1997 c. 14) and 2002 (2002 c. 14)
Environmental
Impact Assessment
(EIA)
(i) Assessment of the potential environmental impacts of a proposed
development or Project.
(ii) Assessment of the possible significant positive or negative effects
that the Project may have on the environment, together consisting of
the natural, social and economic aspects as defined in The Town and
Country Planning (Environmental Impact Assessment) Regulations
2011 (2011 No. 1824), The Infrastructure Planning (Environmental
Impact Assessment) Regulations 2009 (2009 No. 2263) and Council
Directive No 85/337/EEC on the assessment of the effects of certain
public and private projects on the environment (the EIA Directive), as
amended.
Environmental
impact assessment
consultant (EIAC)
A framework consultant appointed to carry out an EIA and ES
processes for the Project.
Environmental
overview
consultant (EOC)
The framework consultant appointed to provide leadership and
oversight of the EIA and ES processes for the Project.
Environmental
statement (ES)
The document setting out the Employer’s assessment of the Project’s
likely significant environmental effects, in conjunction with the hybrid
bill, as described in Schedule 4 of 2011 No. 1824 and in accordance
with Standing Order 27a of the respective House of Commons and
House of Lords Standing Orders Relating to Private Business as
described in the following web pages:
http://www.publications.parliament.uk/pa/ld/ldstords/
privord02.pdf
http://www.parliament.uk/about/how/role/customs/
Evergreen 3 A programme of upgrades to the Chiltern Mainline to be carried out in
three phases, the first of which is now complete.
Excavated material The earth / soil / ground material removed when the shafts and
tunnels are excavated. Excavated material can be either topsoil,
subsoil or other material such as rock etc.
Exceptional
Hardship Scheme
Compensation scheme introduced by the Government in order to
assist those living on or close to the proposed route who wish to sell
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LWM Project dictionary
LWM Project dictionary
HS2-HS2-PM-GDE-000-000002
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(EHS) their properties before a final decision is made on the Project.
Fill Material required to raise existing ground levels. This can utilise ‘cut’
material generated within the site, or necessitate the importation of
material.
Final settlement The process stage in a sewage treatment works where ‘mixed liquor’
is treated prior to discharge of the final effluent. Within the final
settlement tanks, suspended material in the mixed liquor (known as
activated sludge) is allowed to settle. This is then continuously
withdrawn from the bottom of the tanks.
Finance
department
The department providing cost and budget management across the
Programme.
Financial authoriser An individual or individuals with delegated authority to commit
commercial funds on behalf of HS2 Ltd. For higher value
commitments this will be an HS2 board.
Financial impact The financial impact with respect to the cost of services.
Future baseline The situation that would prevail if the proposed development does
not proceed. Predicted impacts are compared against this theoretical
scenario.
gabions Cages, cylinders, or boxes filled with soil or sand.
Gateway review A design review carried out by the Employer and others to confirm
design outputs and is a key date.
Generic instruction An instruction which is common to all, or groups of, contract
packages.
Grade I building A listed building of exceptional interest, sometimes considered to be
internationally important.
Grade II building Nationally important buildings that are of special interest.
Grade II* building A listed building of particular importance, of more than special
interest.
GRIP Network Rail’s Governance for Railway Investment Projects as applied
to the Project.
Haul roads Temporary roads provided within the contractor’s site area to allow
the transportation of material around the site.
High Speed One
(HS1)
The Channel Tunnel Rail Link from St Pancras International station to
the Channel Tunnel.
High Speed Two
Limited (HS2 Ltd)
The company set up by the Government to develop proposals for a
new high speed railway line between London and the West Midlands
and to consider the case for new high speed rail services linking
London, northern England and Scotland.
HS2IM HS2’s Insurance Manager, responsible for insurance matters on behalf
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INTERNAL INFORMATION
LWM Project dictionary
LWM Project dictionary
HS2-HS2-PM-GDE-000-000002
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of the Employer.
hybrid bill (i) The hybrid bill for the Project.
(ii) Public bill initiated by the Government as part of the Parliamentary
procedure required for authorising major projects where a large
number of private interests may be affected.
Note: the LWM style guide recommends consistency with the style
adopted by UK Parliament to use lower case letters (hybrid bill) when
referring to the preparation of the hybrid bill for HS2. For hybrid bills
that receive Royal Assent (i.e. are passed in Parliament), use capital
letters and italics (e.g. the Crossrail Bill).
ICE Implemented compensation event; a notice issued under clause 65.1
of the NEC3 Professional Services Contract (PSC).
Impact A physical or measurable change to the environment attributable to
the Project.
infrastructure
maintenance depot
Base for maintenance of infrastructure associated with the proposed
high speed rail line, including track, signalling equipment, cuttings and
embankments.
Instruction An instruction changing scope or a key date, or resolving an
ambiguity, inconsistency, illegal or impossible requirement issued
under the NEC3 contract.
Intermediate shaft
site
Sites that contain the intermediate shafts from which the
construction of the main tunnel is supported by activities such as
secondary lining. Each site needs to provide enough space for all the
construction-related activities which vary depending on whether the
concrete for the secondary lining will be made on the site or made
elsewhere and delivered to the site by lorries.
LA10(T) The LA10 is the A-weighted sound level which is exceeded for one
tenth of a time period T. For example, the level which is exceeded for
a total of six minutes in an hour.
LA90(T) The LA90 is the A-weighted sound level which is exceeded for 90% of
a time period T.
LAeq(T) Equivalent continuous sound level is a notional steady sound level
which would cause the same A-weighted sound energy to be received
as that due to the actual and possibly fluctuating sound over a period
of time (T). It can also be used to relate periods of exposure and noise
level. Thus, for example, a halving or doubling of the period of
exposure is equivalent in sound energy to a decrease or increase of
3dB(A) in the sound level for the original period.
LAmax The maximum sound level measured on the A-weighted scale
occurring during an event.
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LWM Project dictionary
LWM Project dictionary
HS2-HS2-PM-GDE-000-000002
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Landscape
character areas
Areas of landscape that have a broadly homogeneous pattern of
topography and drainage, vegetation cover, settlement, land use and
visual structure.
Launch shaft or
drive shaft
The main shaft from where the TBM is ‘launched’, i.e. starts from.
Excavated material is removed from and segments are fed into the
tunnel at the launch / drive shafts.
lead A metallic element which, in the form of its compounds, can be
retained in the human body with clinical and sub-clinical effects. Lead
in the air arises mainly from anti-knock additives to petrol.
limits of deviation
(LOD)
These describe the limits of the land within which the permanent
works will be built and which can be acquired using the powers of the
Act. They generally coincide with the extent of the physical works
plus an allowance for maintenance access plus a tolerance. Where
the LOD crosses a plot of land in single ownership it may be drawn to
include the whole of the plot, so that the whole plot can be acquired.
listed buildings A listed building in the UK is a building that has been placed on the
Statutory List of Buildings of Special Architectural or Historic Interest.
It is a widely used status, applied to around half a million buildings. In
England, to have a building considered for listing or de-listing, the
process is to submit an application form online to English Heritage.
The applicant does not need to be the owner of the building in order
to apply for it to be listed.
limits of land to be
acquired or used
(LLAU)
Limits of land to be acquired or used (LLAU): these define the limits of
the land that can be occupied temporarily for the purposes of
constructing the works.
Local plan An area-specific plan to interpret and apply the strategy set out in the
Structure Plan, to provide a detailed basis for the control of
development, to provide a basis for co-ordinating new development
and to bring planning issues before the public.
Main shaft site Sites that contain the main shafts from which the main tunnel is built.
Each site needs to provide enough space for all the construction-
related activities which vary depending on the type of TBM used and
whether the shaft is a launch or a reception shaft.
micrometre One-millionth of a metre (or one-thousandth of a millimetre,
0.001 mm, or about 0.000039 inches).
Micro-tunnelling Technique for installing pipes by pipe jacking using a steerable remote
controlled tunnel boring machine and where the spoil is removed by
auger or as a slurry
Mitigation
measures
Actions proposed to moderate adverse impacts and to enhance
beneficial impacts arising from the whole or specific elements of the
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LWM Project dictionary
LWM Project dictionary
HS2-HS2-PM-GDE-000-000002
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development.
National Trust The National Trust of England, Wales and Northern Ireland, formed in
1895 operates as a charitable organisation and is dedicated to
preserving the cultural or environmental treasures.
Natural England The Government’s advisor on the natural environment who provides
practical advice, grounded in science, on how best to safeguard
England’s natural wealth for the benefit of everyone.
NCE register The compensation event register; records the status of all
compensation events notified by the consultant, together with the
status of their determination and assessment by the Employer’s
agent.
Non-technical
summary
A report which briefly describes the main points discussed in the
Environmental Statement in a clear manner without the use of
technical jargon and phraseology.
Notice of
compensation
event
A notice issued under clause 61 of the NEC3 Professional Services
Contract (PSC).
odour Smell.
Ordnance Datum
(OD)
In the British Isles, an Ordnance Datum or OD is a vertical datum used
by an ordnance survey as the basis for deriving altitudes on maps. A
spot height may be expressed as AOD for "above ordnance datum".
Usually mean sea level (MSL) is used for the datum.
Ordnance Datum
Newlyn (ODN)
In Great Britain, OD for the Ordnance Survey is ODN (Ordnance
Datum Newlyn), defined as the MSL at Newlyn in Cornwall between
1915 and 1921. Prior to 1915, OD was taken from the level of the
Victoria Dock, Liverpool.
Ordnance Survey
Great Britain 1936
(OSGB36)
The Ordnance Survey National Grid reference system is a system of
geographic grid references used in Great Britain, different from using
latitude and longitude. The grid is based on the OSGB36 datum
(Ordnance Survey Great Britain 1936, based on the Airy 1830 ellipsoid
(a regional best fit for Britain)), and was introduced after the
retriangulation of 1936–1962.
Others Third parties, other consultants, contractors, stakeholders etc.
Payment
application
A draft invoice, setting out the consultant’s assessment of the cost for
providing the total services to the end of an assessment date
Peak particle
velocity
A measure of ground vibration magnitude and is the maximum
instantaneous particle velocity at a point during a given time interval
in mm/s.
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LWM Project dictionary
LWM Project dictionary
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Phase one The Government’s proposal is to deliver the network in two phases,
with the first phase being a high speed line from London to the West
Midlands, including a link to the West Coast Main Line (WCML) and to
HS1 (also known as the Project).
Phase two The second phase would comprise the lines from the West Midlands
to Manchester and Leeds, including stations in South Yorkshire and
the East Midlands and a direct link to Heathrow Airport, along with
connections to the West Coast and East Coast Main Lines.
Piling blanket Granular or similar material placed on the ground to provide a stable
base over which piling rigs can manoeuvre to enable them to
construct foundation piles.
Pipe jacking Technique for installing pipes (tunnels) in the ground in which the
pipe is pushed forward from a drive shaft by hydraulic jacks and
excavated material is removed by auger or as a slurry. Pipe jacking is
a form of trenchless technology as open cut trenches are not required
to install the pipes / build the tunnel.
PM2.5 For the purposes of this assessment, PM2.5 is any particulate matter
with an aerodynamic diameter equal to or less than 2.5 µm. This size
fraction of particulate matter is respirable and has been strongly
linked to adverse effects on human health.
PM10 For the purposes of this assessment, PM10 is any particulate matter
with an aerodynamic diameter equal to or less than 10 µm.
Particulate matter of this size is respirable.
Preliminary design The development of the Project design to obtain Royal Assent
(approximately RIBA C / GRIP 3); comprising the following stages:
• Preliminary design initial stage – design development sufficient to
inform the environmental consultation;
• Preliminary design interim stage – design development complete
for the submission for the letters of no-objection from technical
stakeholders;
• Preliminary design final stage – preliminary design development
complete.
See also reference design.
price adjustment
factor (PAF) Price adjustment factor as defined in the secondary option clauses of
the contract.
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LWM Project dictionary
LWM Project dictionary
HS2-HS2-PM-GDE-000-000002
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Prices and costs As defined in the NEC3 Professional Services Contract’s (PSC) main
option clauses; the definition varies depending upon the pricing
option adopted under the contract. Prices can be adjusted upwards
or downwards by a compensation event. For Option C, the prices are
the lump sum for each activity (the targets on which the pain / gain
share is activated. Costs are the actual time charges incurred (against
which the consultant is paid).
Professional
Indemnity
Insurance (PII)
A form of liability insurance that helps protect professional advice-
and service-providing individuals and companies from bearing the full
cost of defending against a negligence claim made by a client, and
damages awarded in such a civil lawsuit.
Professional
services
consultants (PSCs)
Framework consultants who have agreed to provide services on the
Project.
Programme The Programme – HS2 with the Y (i.e. Phase one and phase two of the
high speed network).
Project The Project means the project for the proposed high speed line from
London to the West Midlands (also known as HS2 without the Y).
Project baseline Defines the requirements, scope, assumptions, schedule, risks, cost
and contingency for the Project.
Project costs The cost of the Project including costs associated to design, land,
undertakings and assurances, construction and other costs which
collectively contribute towards the overall Project.
Project master
schedule
The schedule that shows the engineering, procurement and
construction activities required on the Project.
Project
requirements
The set of requirements that the design for the Project has to achieve
and demonstrate compliance thereof.
Project risk register A record of all identified threats and opportunities, relating to an
LWM initiative, that includes status, descriptions, categorisations,
assessments, controls, owners and history. There will be a hierarchy
of Project risk registers within LWM.
Proposed
instruction
A potential instruction for which a quotation has been requested but
which has not yet been accepted.
Personal Track
Safety (PTS)
A system of safer working practices employed within the UK designed
to ensure the safety of railway workers who have to work on the
lineside.
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Public Liability
Insurance (PLI)
Insurance to cover death or injury to others or damage to third party
property. An applicant (the injured party) usually sues the respondent
(the owner or occupier) under common law based on negligence and
/ or damages. Claims are usually successful when it can be shown that
the owner / occupier was responsible for an injury, therefore they
breached their duty of care.
Quotation A quotation provided by the consultant in response to an instruction
by the Employer’s agent or in response to a proposed instruction
(route C instructions only).
Rail Package 2
(sometimes also
referred to as RP2)
One of the alternative approaches to enhancing rail capacity
considered in the HS2 Strategic Alternatives Study prepared by Atkins.
Receptors People (both individually and communally) and the socio-economic
systems they support.
Reception site The area where the excavated material is placed.
Reception shaft The main shaft from where the TBM is ‘received’, i.e. ends up. The
TBM is removed from the tunnel via the reception shaft.
Reference design The development of the Project design to allow procurement of the
detailed design (approximately RIBA D / GRIP 4). See also Preliminary
design.
Registered
battlefield
A protected area of land that is of topographical, archaeological and
historic significance.
Registered park
and garden
A landscape of note that must be treated with special care.
risk register The register required under the NEC3 contract is called the early
warning register to avoid confusion. See also Project risk register and
CDM risk register.
rolling stock depot Depot used to service and maintain trains operating on the proposed
route.
Royal Assent In the UK, the Royal Assent is the final step required for any
parliamentary bill to become law.
Scenario B One of the options assessed as a strategic alternative to the Y
Network, consisting of a combination of Rail Package 2 and
enhancements to the Midland Main Line and East Coast Main Line.
Scheduled
monument
Important sites and monuments are given legal protection by being
placed on a schedule by English Heritage.
Scoping exercise An exercise undertaken to determine which elements will be covered
in an environmental statement (ES).
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Scoping opinion The formal view of the determining authority on the range of topics
and issues to be considered by the environmental impact assessment
(EIA).
Scoping report The document prepared by the applicant setting out the proposed
approach to the environmental impact assessment (EIA), including the
range of topics and issues to be addressed.
Shaft Duct / pipe / vertical tunnel
Site of Special
Scientific Interest
(SSSI)
Conservation designation denoting an area of particular ecological or
geological importance.
Sites and
monuments record
A record of sites of archaeological interest.
Spoil Not to be used as it suggests waste material; instead, use “excavated
material”.
Sponsor The sponsor for the HS2 Programme is the Department for Transport
(DfT) for whom the services are being provided.
Standard & Poors
(S&P)
A United States-based financial services company that publishes
financial research and analysis on stocks and bonds, and which gives
independent assessments of insurance companies through the use of
published credit ratings.
Strategic
environmental
assessment (SEA)
Approach to incorporating and addressing environmental
considerations within long-term strategic policies or plans.
Structure plan The planning policy document prepared by the County Council, which
sets out the strategic policy framework for the County.
subsoil Subsoil, or substrata, is the layer of soil under the topsoil on the
surface of the ground. (The Project document Preparation of
parliamentary schedules, tables and expenses specifies this as 9m
below the topsoil.)
Surface water run-
off
Water that travels across the ground and hard surfaces rather than
seeping into the soil, e.g. from paved roads and buildings.
Technical review A review of the impact that an instruction may have on technical and
assurance aspects of the wider Project.
Technical
stakeholders
Those third parties from which approval is required for the designs.
These include Network Rail, London Underground Limited, national
Grid and other statutory undertakers, and the Highways Authority.
The Consultation
Document
(High Speed Rail: Investing in Britain’s Future, Consultation, February
2011) – A document published by the Government setting out its
proposed high speed rail strategy and the proposed route for an initial
high speed line from London to the West Midlands.
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LWM Project dictionary
LWM Project dictionary
HS2-HS2-PM-GDE-000-000002
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The Wildlife Trusts The Wildlife Trusts is the largest UK voluntary organisation dedicated
to protecting wildlife and wild places.
Transport
assessment
The formal assessment of traffic and transportation issues relating to
the proposed development. The findings are usually presented in a
report which accompanies the planning application.
Transport for
London (TfL)
TfL was created in 2000 and is the integrated body responsible for
London’s transport system.
Unitary
development plan
The statutory plan which sets out London Borough of Newham
planning policies.
vibration dose
value
The equivalent level of vibration experienced over a period of time.
West Coast Main
Line (WCML)
Intercity railway route in the UK connecting London, Birmingham,
Manchester, Liverpool and Glasgow.
Y network The proposed national high speed rail network linking London to
Birmingham, Manchester and Leeds, and including stops in the East
Midlands and South Yorkshire, as well as direct links to the HS1 line
and into Heathrow Airport (also known as Phase two of the network).
zoonotic A zoonosis or zoonose is any infectious disease that can be
transmitted between species from animals to humans or from
humans to animals (reverse zoonosis).