Construction and maintenance of new, altered or diverted streets and other structures  14 section 73B( a ) (power to specify timing etc. of re-surfacing);  section 73C( b ) (materials; workmanship and standard of re-surfacing);  section 78A( c ) (contributions to costs of re-surfacing by undertaker); and  Schedule 3A( d ) (restriction on works following substantial street works).  (4) The provisions of the 1991 Act mentioned in paragraph (5) (which, together with other  provisions of that Act, apply in relation to the carrying out of street works) and any regulations  made, or code of practice issued or approved, under those provisions apply (with the necessary  modifications) in relation to any stopping up, alteration or diversion of a street of a temporary  nature by the undertaker under the powers conferred by article 11 (temporary stopping up and  restriction of use of streets) whether or not the stopping up, alteration or diversion constitutes  street works within the meaning of that Act.  (5) The provisions of the 1991 Act( e ) referred to in paragraph (4) are—  section 54( f ) (advance notice of certain works), subject to paragraph (6);  section 55( g ) (notice of starting date of works), subject to paragraph (6);  section 57( h ) (notice of emergency works);  section 59( i ) (general duty of street authority to co-ordinate works);  section 60 (general duty of undertakers to co-operate);  section 68 (facilities to be afforded to street authority);  section 69 (works likely to affect other apparatus in the street);  section 75 (inspection fees);  section 76 (liability for cost of temporary traffic regulation); and  section 77 (liability for cost of use of alternative route),  and all such other provisions as apply for the purposes of the provisions mentioned above.  (6) Section 54 and 55 of the 1991 Act as applied by paragraph (4) have effect as if references in  section 57 of that Act to emergency works were a reference to a stopping up, alteration, or  diversion (as the case may be) required in a case of emergency.  (7) Nothing in article 8 (construction and maintenance of new, altered, or diverted streets)—  (a) affects the operation of section 87 (prospectively maintainable highways) of the 1991  Act, and the undertaker is not by reason of any duty under that article to maintain a street  to be taken to be the street authority in relation to that street for the purposes of Part 3 of  that Act; or  (b) has effect in relation to street works as respects which the provisions of Part 3 of the 1991  Act apply.  8. —(1) Any highway to be constructed altered or diverted under this Order including any  culverts or other structures laid under it must be maintained by and at the expense of the local  highway authority from its completion.  (2) Where a street which is not and is not intended to be a public highway is constructed, altered  or diverted under this Order, the street (or part of the street as the case may be) must, when  ( a ) Section 73B was inserted by section 55(1) of the 2004 Act.  ( b ) Section 73C was inserted by section 55(1) of the 2004 Act.  ( c )  Section 78A was inserted by section 57(1) of the 2004 Act.  ( d ) Schedule 3A was inserted by section 52(2) of, and Schedule 4 to, the 2004 Act.  ( e )  Sections 54, 55, 57, 60, 68 and 69 were amended by section 40(1) and (2) of, and Schedule 1 to, the 2004 Act.  ( f )  Section 54 was also amended by section 49(1) of the 2004 Act.  ( g ) Section 55 was also amended by section 49(2) and 51(9) of the Traffic Management Act 2004 Act.  ( h ) Section 57 was also amended by section 52(3) of the 2004 Act.  ( i )  Section 59 was amended by section 42 of the 2004 Act. 