Confined 

Spaces 

n 

apply the principals of protection so that health and safety risks are 

minimised (see TB 95/23 Annex 3) 

n 

pass on to the Planning Supervisor design, specification and planning 

information which might affect health and safety such as, identifying 

confined spaces, isolation methods, etc. 

n 

specify products, materials, substances, plant and equipment which are 

safe and without risk to health 

n 

liaise with the Planning Supervisor and, if necessary, other designers 

involved in the work. 

6.2.3  

Interpretation of  design  in relation to any structure includes drawing, 

design details, specification and the bill of quantities including 

specification of articles or substances in relation to the structure. 

6.2.4  

Designers must ensure that all reasonably foreseeable risks to health and 

safety are considered during construction and subsequent operation, 

alteration, maintenance or demolition of a facility. 

6.2.5  

Where possible, the design should eliminate or where this is not possible, 

minimise the need to enter a confined space. 

6.2.6  

The design should consider such elements as: safe access to and egress 

from confined spaces, ventilation of the space, avoidance of blockages, 

maximisation of the number of opening into the space, standards of 

electrical equipment, isolation of the space etc. 

6.3  

CONTRACTOR'S 

DUTIES

6.3.1  

Contractors are responsible for undertaking their work in a safe manner 

and in compliance with all relevant statutory legislation, regulations and 

British and European Standards, good practice guidelines and technical 

guidance documents listed in the latest edition of the DE Technical 

Publications Index.  

6.3.2  

All Contractors have a legal duty to prepare risk assessments, which 

should address risks to employees and to other persons who may be 

affected by their activities such as MOD employees and members of the 

public.  They must co operate with other parties as necessary to prevent 

danger and manage any risks involved. 

6.3.3  

The Principal Contractor is responsible for managing health and safety 

during the construction phase and further develop the health and safety 

plan. 

6.3.4  

These Safety Rules and Procedures detail how they are to be adopted 

where there is a division of responsibility between MOD and others. 

6.3.5 

Where it is known that the MOD is to accept responsibility for a new 

facility, the Property Manager is to inform the site Maintenance 

Management Organisation and the Authorising Engineer is to 

nominate an Authorised Person for the new facility. The contractor is 

to nominate a person to familiarise the prospective Authorised Person 

with any potential confined space working (see CER). 

April 2005 

47