4.—(1) The main works must be carried out in accordance with the OEMP.
(2) The preliminary works must be carried out in accordance with the preliminary works OEMP.
(3) The preliminary highways works must be carried out in accordance with sections 4.2 (design vision) and 4.3 (design principles) of the OEMP.
(4) Subject to sub-paragraphs (5) and (10), no part of the preliminary works is to begin until a preliminary works CEMP for that part has been submitted to and approved in writing by the Secretary of State, following the consultation specified in the preliminary works OEMP.
(5) No part of the preliminary works in respect of which a heritage management plan, site specific written scheme of investigation or archaeological method statement is required under the preliminary works OEMP is to begin until each of those documents required for that part has been submitted and approved in writing by the planning authority, following the consultation specified in the preliminary works OEMP and the detailed archaeological mitigation strategy.
(6) A preliminary works CEMP must be prepared so that it is substantially in accordance with the preliminary works OEMP.
(7) Each part of the preliminary works must be carried out in accordance with the preliminary works CEMP for that part.
(8) Subject to sub-paragraphs (9) and (10), no part of the main works is to commence until a main works CEMP for that part has been prepared and submitted to and approved in writing by the Secretary of State, following the consultation specified in the OEMP.
(9) Subject to sub-paragraph (11), no part of the main works in respect of which a heritage management plan, site specific written scheme of investigation or archaeological method statement is required under the OEMP is to commence until each of those documents required for that part has been submitted and approved in writing by the planning authority, following the consultation specified in the OEMP and the detailed archaeological mitigation strategy.
(10) The approval of the Secretary of State under sub-paragraph (4) or (8) is not required in respect of any heritage management plan, site specific written scheme of investigation or archaeological method statement forming part of any preliminary works CEMP or main works CEMP.
(11) A main works CEMP must be prepared so that it is substantially in accordance with the OEMP and must include as many of the following plans, policies, strategies or schemes as are applicable to the part of the main works to which it relates—
(a)site waste management plan;
(b)heritage management plan;
(c)site specific written schemes of investigation;
(d)any archaeological method statement required under the OEMP;
(e)emergency preparedness and response plan (to include a pollution incident control plan);
(f)ground movement monitoring strategy;
(g)landscape and ecology management plan;
(h)arboricultural mitigation strategy;
(i)noise and vibration management plan;
(j)noise insulation and temporary rehousing policy;
(k)soils management strategy;
(l)water management plan (to include a flood risk management plan);
(m)groundwater management plan;
(n)invasive non-native species management plan (if required);
(o)material management plan; and
(p)traffic management plan (to include a construction workforce travel plan, a site access plan, construction traffic routeing details and a site travel plan).
(12) The Groundwater Management Plan referred to in sub-paragraph (11)(m) above must include details of how any potential adverse hydrological effects on the archaeological site, known as Blick Mead, shall be considered in accordance with the requirements to be addressed by that Plan as set out in the OEMP, and must make specific provision for—
(a)monitoring of groundwater levels at Blick Mead;
(b)monitoring of soil moisture levels at Blick Mead;
(c)trigger levels for both groundwater levels and soil moisture content that take into account the aforementioned monitoring data and below which the archaeological resource at Blick Mead would be liable to be endangered; and
(d)a remediation plan to provide for the re-watering of the site should groundwater levels or soil moisture levels fall below the trigger levels set.
(13) The main works CEMPs, when taken together, must be prepared so that they are substantially in accordance with all of the requirements of the OEMP and must include all of the plans, policies, strategies and schemes listed in sub-paragraph (11) and must not contain any conflicting provision.
(14) Nothing in sub-paragraphs (11) or (12) affects the requirement in paragraph 5 that the authorised development must be carried out, operated and maintained in accordance with the detailed archaeological mitigation strategy.
(15) Each part of the main works must be carried out in accordance with the main works CEMP approved for that part.
(16) Upon completion of construction of the authorised development the CEMPs must be converted into one or more HEMPs and the authorised development must be operated and maintained in accordance with the relevant HEMP.
(17) The undertaker must make each preliminary works CEMP, main works CEMP and HEMP available in an electronic form suitable for inspection by members of the public.