(b) a constable, Police Community Support Officer, an officer of the Driver and Vehicle  Standards Agency, an officer of the Health and Safety Executive, person authorised for  the purposes of section 44 (powers of fire-fighters etc in an emergency etc) of the Fire  and Rescue Services Act 2004( a ) or a person accredited by or under section 41  (accreditation under community safety accreditation schemes) of the Police Reform Act  2002( b ), acting in the execution of that person’s duties within the new bridge area;  “authorised development” means the development described in Schedule 1 (authorised  development) and any other development within the meaning of section 32 of the 2008 Act  that is authorised by this Order;  “book of reference” means the document of that description as referenced in Schedule 14  (documents to be certified) certified by the Secretary of State as the book of reference for the  purposes of this Order;  “building” includes any structure or erection or any part of a building, structure or erection;  “business day” means a day other than a Saturday or Sunday, Good Friday, Christmas Day or  a bank holiday in England and Wales under section 1 of the Banking and Financial Dealings  Act( c );  “Cadent” means Cadent Gas Limited (company number 10080864), whose registered office is  at Ashbrook Court, Prologis Park, Central Boulevard, Coventry, CV7 8PE, or any successor in  title or assign including a successor to their licence as a gas transporter within the meaning of  Part 1 of the Gas Act 1986( d );  “capital dredge” means a dredge which comprises the excavation of the seabed, in an area or  down to a level (relative to ordnance datum) not previously dredged during the preceding 10  years;  “carriageway” has the same meaning as in the 1980 Act;  “classification of roads plan” means the plans of that description as referenced in Schedule 14  (documents to be certified) certified by the Secretary of State as the classification of roads  plan for the purposes of this Order;  “commence” means beginning to carry out any material operation (as defined in section  56(4)( e ) (time when development begun) of the 1990 Act) forming part of the authorised  development other than operations consisting of environmental surveys and monitoring,  investigations for the purpose of assessing ground conditions, remedial work in respect of any  contamination or other adverse ground conditions; receipt and erection of construction plant  and equipment, erection of any temporary means of enclosure, the temporary display of site  notices or advertisements, and “commencement” is to be construed accordingly;  “construct” includes carrying out, placing, altering, replacing, relaying and removal and  “construction” is to be construed accordingly;  “cycleway” means a way constituting or comprised in a highway, being a way over which the  public have the following, but no other, rights of way: a right of way on pedal cycles (other  than pedal cycles which are motor vehicles within the meaning of the Road Traffic Act  1988( f )) with a right of way on foot and a right of way on horseback or leading a horse;  “electronic transmission” means a communication transmitted—  (a) by means of an electronic communications network; or  (b) by other means but in an electronic form;  ( a ) 2004 c. 21. Section 44 was amended by section 6 of the Emergency Workers (Obstruction) Act 2006 (c. 39).  ( b ) 2002 c. 30. Section 41 was amended by section 52, and paragraph 42 of Schedule 14 to, the Police and Justice Act 2006  (c. 48).  ( c )  1971 c. 80.  ( d ) 1986 c. 44.  ( e )  Section 56(4) was amended by paragraph 10(2) of Schedule 7 to the Planning and Compensation Act 1991 (c. 34). There  are other amendments to section 56 which are not relevant to this Order.  ( f )  1988 c. 52.  6