145 ( a ) Section 102(4) was amended by section 96(1) of the Water Act 2003 (c. 37) and paragraphs 2 and 90 of Schedule 7 to the  Water Act 2014 (c. 21).  ( b ) Section 104 was amended by section 96(1) of, and Part 3 of Schedule 9 to, the Water Act 2003, section 42(3) of the Flood  and Water Management Act 2010 (c. 29) and section 11(1) and (2) of the Water Act 2014.  ( c )  S.I. 2016/1154.  (a) any requirement for any permits under the Environmental Permitting (England and  Wales) Regulations 2016( c ) or other legislation and any other associated consents are  obtained by the undertaker, and any approval or agreement required from Anglian Water  on alternative outfall locations as a result of such re-location are approved, such  approvals from Anglian Water not to be unreasonably withheld or delayed; and  (b) the undertaker has made the appropriate application required under the Water Industry  Act 1991 together with a plan and section of the works proposed and Anglian Water has  agreed all of the contractual documentation required under the Water Industry Act 1991,  such agreement not to be unreasonably withheld or delayed; and such works to be carried  out only in accordance with the plan and description submitted and in accordance with  such reasonable requirements as may be made by Anglian Water for the alteration or  otherwise for the protection of the apparatus, or for securing access to it.  (a) 2.25 metres where the diameter of the pipe is less than 150 millimetres;  (b) 3 metres where the diameter of the pipe is between 150 and 450 millimetres;  (c) 4.5 metres where the diameter of the pipe is between 450 and 750 millimetres; and  (d) 6 metres where the diameter of the pipe exceeds 750 millimetres,  (a) any works, mains, pipes or other apparatus belonging to or maintained by Anglian Water  for the purposes of water supply and sewerage;  (b) any drain or works vested in Anglian Water under the Water Industry Act 1991; and  (c) any sewer which is so vested or is the subject of a notice of intention to adopt given under  section 102(4)( a ) (adoption of sewers and disposal works) of the Water Industry Act 1991  or an agreement to adopt made under section 104( b ) (agreements to adopt sewer, drain or  sewage disposal works, at future date) of that Act,  “alternative apparatus” means alternative apparatus adequate to enable Anglian Water to fulfil  its statutory functions in not less efficient a manner than previously;  “apparatus” means—  and includes a sludge main, disposal main or sewer outfall and any manholes, ventilating  shafts, pumps or other accessories forming part of any sewer, drain, or works (within the  meaning of section 219 (general interpretation) of that Act) and any structure in which  apparatus is or is to be lodged or which gives or will give access to apparatus;  “functions” includes powers and duties;  “in” in a context referring to apparatus or alternative apparatus in land includes a reference to  apparatus or alternative apparatus under, over or upon land; and  “plan” includes sections, drawings, specifications and method statements.  71.  The undertaker must not interfere with, build over or near to any apparatus within the Order  land or carry out the placing, installation, bedding, packing, removal, connection or disconnection  of any apparatus, or carry out any filling around the apparatus (where the apparatus is laid in a  trench) within the standard protection strips which are the strips of land falling the following  distances to either side of the medial line of any relevant pipe or apparatus—  unless otherwise agreed in writing with Anglian Water, such agreement not to be unreasonably  withheld or delayed, and such provision being brought to the attention of any agent or contractor  responsible for carrying out any work on behalf of the undertaker.  72.  The alteration, extension, removal or re-location of any apparatus must not be implemented  until— 