Install, maintain and remove temporary excavation support

URN: COSVR370
Business Sectors (Suites): Construction and Civil Engineering Operations (Construction)
Developed by: Construction Skills
Approved on: 31 Dec 2020

Overview

This standard is about installing, maintaining and removing temporary excavation support, interpreting information, adopting safe, healthy and environmentally responsible work practices, selecting and using materials, components, tools and equipment

This standard is for people working in the occupational area of construction and civil engineering operations and can be used by operatives, supervisors and managers


Performance criteria

You must be able to:

P1 interpret the given information relating to the work and resources to confirm its relevance

P2 comply with the given, relevant legislation and official guidance to carry out your work and maintain safe and healthy work practices

P3 select the required quantity and quality of resources for the methods of work

P4 comply with organisational procedures to minimise the risk of damage to the work and surrounding area

P5 comply with the given contract information to carry out the work efficiently to the required specification

P6 complete the work within the allocated time, in accordance with the programme of work


Knowledge and Understanding

You need to know and understand:

Performance Criteria 1Interpretation of informationK1 the organisational procedures developed to report and rectify inappropriate information and unsuitable resources, and how they are implementedK2 the types of information, their source and how they are interpretedK3 the organisational procedures to solve problems with the information and why it is important they are followed

Performance Criteria 2Safe work practicesK4 current legislation and official guidance and how it is appliedK5 the types of fire extinguishers and how and when they are usedK6 how emergencies should be responded to and who should respondK7 the organisational security procedures for tools, equipment and personal belongingsK8 what the accident reporting procedures are and who is responsible for making the reportK9 why, when and how health and safety control equipment should be usedK10 how to comply with environmentally responsible work practices to meet current legislation and official guidance

Performance Criteria 3Selection of resourcesK11 the characteristics, quality, uses, sustainability, limitations and defects associated with the resources and how defects should be rectifiedK12 how the resources should be used and how any problems associated with the resources are reportedK13 the organisational procedures to select resources, why they have been developed and how they are usedK14 the hazards associated with the resources and methods of work and how they are overcome

Performance Criteria 4Minimise the risk of damageK15 how to protect work from damage and the purpose of protectionK16 why disposal of waste should be carried out safely and how it is achieved

Performance Criteria 5Meet the contract specificationK17 how methods of work, to meet the specification, are carried out and problems reportedK18 how maintenance of tools and equipment is carried out

Performance Criteria 6Allocated timeK19 what the programme is for the work to be carried out in the estimated, allocated time and why deadlines should be kept


Scope/range


Scope Performance

Performance Criteria 11 interpret drawings, specifications, schedules, risk assessments, method statements, manufacturers' and suppliers' information related to the work to be carried out

Performance Criteria 22 avoid risk by complying with the given information relating to five of the following:2.1 methods of work2.2 safe use of health and safety control equipment2.3 working with and around utility services including ground penetration2.4 safe use of access equipment2.5 safe use, storage and handling of materials, tools and equipment2.6 specific risks to healthPerformance Criteria 33 select resources associated with own work:3.1 materials, components and fixings3.2 tools and equipment

Performance Criteria 44 protect the work and its surrounding area from damage5 maintain a clear and tidy work space6 dispose of waste in accordance with current legislation

Performance Criteria 57 demonstrate work skills to measure, mark out, prepare, position, fit, support, fix, secure, dismantle and remove8 use and maintain hand and power tools9 install, maintain and remove temporary excavation support to given working instructions relating to at least one of the following:9.1 a proprietary system9.2 open and closed support systems9.3 piling systems9.4 bespoke support systems

Performance Criteria 610 complete own work within the estimated, allocated time to meet the needs of other occupations and/or client


Scope Knowledge

Disposal of waste1 environmental responsibilities, organisational procedures, manufacturers' information, statutory regulations and official guidance

Emergencies2 operative's response to situations in accordance with organisational authorisation and personal skills when involved with:2.1 fires, spillages, injuries2.2 emergencies relating to occupational activities

Fire extinguishers3 water, CO2, foam, powder and their uses

Hazards4 those identified by risk assessment, method of work, manufacturers' and suppliers' technical information, statutory regulations and official guidance

Health and safety control equipment5 identified by the principles of prevention for occupational use, types and purpose of each type, work situations and general work environment:5.1 collective protective measures5.2 local exhaust ventilation (LEV)5.3 personal protective equipment (PPE)5.4 respiratory protective equipment (RPE)

Information6 drawings, specifications, schedules, risk assessments, method statements, manufacturers' information, verbal and written instructions, sketches, electronic data, current regulations and official guidance associated with installing, maintaining and removing temporary excavation support

Legislation and official guidance7 operative's responsibilities regarding potential accidents, health hazards and the environment whilst working in the workplace, below ground level, in confined spaces, at height, with tools and equipment, with materials and substances, with movement and storage of materials by manual handling and mechanical liftingMaintenance8 operative care of hand and power tools

Methods of work9 application of knowledge for safe and healthy work practices, procedures and skills relating to the method and area of work and materials used to:9.1 recognise types of temporary support for excavations9.2 conform to agreed specifications9.3 plan, prepare and set out for the installation of the excavation support and edge protection9.4 remove surface courses, ironwork, modular components, street furniture and sub-surface structures9.5 recognise changes in ground conditions, ground water conditions, soil types and excavation stability9.6 recognise the dangers of loads and structures at the edge of excavations9.7 identify and locate utility services, excavate around services and protect9.8 recognise inspection and test criteria for excavation support systems9.9 provide for safe access and egress into the excavation and around the temporary excavation support9.10  protect and monitor adjacent structures9.11  excavate manually for the installation, maintenance and removal of excavation supports9.12  construct, erect and install temporary excavation support as excavations progress and on completion including: proprietary systems including, but not limited to: drag box, trench box and manhole open and closed support systems piling systems including, but not limited to: diaphragm wall, trench sheets, sheet piles, secant support and contiguous support bespoke support systems9.13  monitor and check accuracy at start, during progress and on completion of work9.14  work with, around and in close proximity to plant and machinery including lifting equipment9.15  inspect and maintain the integrity and safety of the temporary support structures9.16  dismantle and remove the excavation support structure9.17  recognise and determine when specialist skills and knowledge are required and report accordingly9.18  use hand and power tools9.19  work at height and in confined spaces9.20  use access equipment10 team work and communication11 needs of other occupations associated with installing, maintaining and removing temporary excavation support

Problems12 those arising from information, resources and methods of work:12.1 own authority to rectify12.2 organisational reporting procedures

Programme13 types of productivity targets and time scales14 how times are estimated15 organisational procedures for reporting circumstances which will affect the work programme

Protect work16 protect work against damage from general workplace activities, other occupations and adverse weather conditions

Resources17 materials, components and equipment relating to types, quantity, quality, sizes and the sustainability of standard and specialist:17.1 proprietary systems17.2 open and closed support systems17.3 piling systems17.4 bespoke support systems17.5 fixing devices17.6 hand and power tools18 how to confirm resources and materials conform with the given specification19 methods of calculating quantity, length, area and wastage associated with the method and procedure to install, maintain and remove temporary excavation support

Security procedures20 site, workplace, company, operative and vehicles


Values


Behaviours

​When performing to this standard you are likely to demonstrate the following behaviours:

Work safely: consider the safety of yourself and those around you, challenge unsafe behaviour2  Effective communication: oral, written, electronic, listening, body language, presentation3  Respect: apply equality, diversity and inclusion in dealing with others.4  Team work: work effectively and safely with others with limited supervision.5  Independent working: take responsibility for safe completion of your own work.6  Logical thinking: use clear and valid reasoning when making decisions to safely undertake the work instructions.7  Working effectively: undertake the work in a reliable, safe and productive manner.8  Time management: use own time effectively to complete the work instructions to schedule, take the time to be safe.9  Adaptability: be able to adjust to changes to the work instructions, put safety first


Skills


Glossary


Links To Other NOS


External Links


Version Number

5

Indicative Review Date

31 Dec 2025

Validity

Current

Status

Original

Originating Organisation

CITB

Original URN

VR370

Relevant Occupations

Construction Operatives, Road Construction Operatives

SOC Code

8159

Keywords

Drag-box; Trench-box; Diaphragm wall; Secant support; Open and closed boarding; Sheet piles; Manhole box