Jetty Non Technical Summary - EDF Hinkley Point

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Figure 14 Commercial Shipping Movements in the Bristol Channel 7.8.6 According to the Port of Bridgwater’s Marine Operations Plan (2009), no commercial fishing vessels are registered at the port or on the River Parrett, although there is one vessel that can be chartered for angling. Vessel tracking and sighting by the Marine and Fisheries Agency (MFA); now part of the MMO) indicates that fishing activity in Bridgwater Bay is very limited since fishing with vessels of 15m and more is confined mainly to the west of a north to south line between Bideford (north Devon) and Swansea (south Wales), and fishing activity to the east of this line is much reduced, particularly east of a north to south line through Lynmouth (north Devon). 7.8.7 Data derived from the Royal Yachting Association (RYA) and Cruising Association indicate that the water area surrounding Hinkley Point and the inner Bristol Channel as a whole is a designated sailing area for recreational craft, and the water area approximately 3.5nm to the west of Hinkley Point is used for racing. According to the Port of Bridgwater’s Marine Operations Plan (2009), there are three sailing clubs within the Port of Bridgwater. Combwich Cruising Club is based at Combwich and the Burnham Motor Boat & Sailing Club is based on the River Brue. Both clubs have afloat moorings. The Burnham Boat Owners’ Sea Angling Association has a substantial membership but only small boats, which members launch from Burnham Slipway when required. Some visiting yachts call each year. The inbound route to Burnham Motor Boat & Sailing Club passes to the north of the proposed jetty development site in a similar manner to commercial shipping. Main Predicted Impacts 7.8.8 Impacts on navigation are assessed on the basis of risks of hazards to navigation. Hazards were identified during a specialist workshop with key stakeholders. Risk assessments are based on the potential consequences and likelihoods of the hazards identified on navigation receptors (i.e. commercial vessels, military vessels, fishing vessels, recreational vessels and the Port of Bridgwater’s interests). 7.8.9 For the risk assessments, the potential consequences are considered to be severe for commercial vessels and the Port of Bridgwater’s interests, and minor for military, fishing and recreational vessels. The potential likelihoods are considered to be medium for Hinkley Point C Preliminary Works Non Technical Summary Temporary Jetty Development 42 November 2010
commercial vessels and the Port of Bridgwater’s interests and very low for military, fishing and recreational vessels. The application of these hazard components means that risks to commercial vessels and the Port of Bridgwater’s interests are assessed as high and, therefore, unacceptable, and that risks to military, fishing and recreational vessels are assessed as low and, therefore, acceptable. 7.8.10 The jetty development (including the presence and movement of construction plant and materials) would be constructed within Danger Area D119 and within or close to the Lilstock Range Firing Area. Although there are no restrictions on navigation within these areas, the firing range is only used when it is clear of vessels. Therefore, depending on the presence of the jetty development and construction plant in the firing area and / or the proximity of the jetty development and construction plant to the firing area, the jetty development’s construction activities could preclude the use and/or the safe use of the firing area for military training and exercises. Based on informal consultation with the MoD, it is anticipated that interference to military activities would be high / unacceptable if the jetty and/or construction plant were to be present within or directly adjacent to the firing area during construction activities. Mitigation 7.8.11 A number of control measures are proposed as mitigation to reduce risks such that they are acceptable. During the jetty development’s construction, dismantling / restoration and (if required) removal / reinstatement phases, an exclusion zone of some 500m would be in place around the jetty head (see Figure 15) and it may be prudent to implement a standby vessel (small patrol vessel) during working hours. 7.8.12 Control measures are also recommended to reduce the risk to navigation associated with the passage of dredging plant between the jetty and the Cardiff Grounds offshore disposal site. Dredging plant should not cross vessels that may be restricted by their draught or restricted by their ability to manoeuvre, and should, at all times, pass to the west of Bell Gore and Cobbler Patch, with due regard given to the shoal patch of 18m. 7.8.13 Once constructed, the jetty would have to be marked (e.g. lights on the jetty head) for safety (e.g. to reduce the risk of passing vessels colliding with it). To reduce the risk to navigation associated with the presence and movement of the vessels using the jetty, it is recommend that navigation information be clearly documented in a Safety Management System (SMS). 7.8.14 On the basis of consultation with the MoD, the following measures are proposed in relation to the Lilstock Range Firing Area: • the buoys delineating the firing area are to be moved westwards within Danger Area D119’s boundary such that the firing area is temporarily re-positioned away from the jetty development; • operational and maintenance plant, vessels and other marine equipment associated with the jetty development’s operation activities including maintenance works are to be instructed to avoid entering the firing area (even if, for example, transiting the firing area offers a more direct route to and from the jetty) by means of Notices to Mariners and other instructions from the Harbour Master; and • the proposed HEO (which is part of the application) will include provisions that will only allow the jetty development’s harbour authority (i.e. the authority that would be established by the HEO) to make by-laws affecting navigation in the authority's limits of jurisdiction around the jetty and to give general directions to vessels navigating within those limits subject in both cases to prior consultation with the MoD. Hinkley Point C Preliminary Works Non Technical Summary Temporary Jetty Development 43 November 2010
Page 1 and 2: Temporary Jetty Applications Hinkle
Page 3 and 4: CONTENTS Page 1 Introduction 1 2 Pr
Page 5 and 6: 1 INTRODUCTION 1.1.1 NNB Generation
Page 7 and 8: a nuclear power station development
Page 9 and 10: Figure 2 Existing Public Rights of
Page 11 and 12: Figure 4 Detailed Plan of Jetty Hea
Page 13 and 14: 6 ENVIRONMENTAL IMPACT ASSESSMENT 6
Page 15 and 16: time for which the impact is expect
Page 17 and 18: is designed to meet the Government
Page 19 and 20: 6.5.4 The ES also contains an asses
Page 21 and 22: 7.1.16 Although the foreshore is an
Page 23 and 24: Table 2 Summary Significant Impacts
Page 25 and 26: Figure 8 Main Traffic Routes to Hin
Page 27 and 28: 7.3.7 The distance from the source
Page 29 and 30: any residential receptor location d
Page 31 and 32: Description of Impact Impact Mitiga
Page 33 and 34: 7.5.15 Due to the screening provide
Page 35 and 36: Figure 11 Construction Mitigation L
Page 37 and 38: Figure 12 Landscape Restoration Pla
Page 39 and 40: 7.5.39 Table 5 below presents a sum
Page 41 and 42: AD450), Early-medieval (AD 450-AD10
Page 43 and 44: 7.7.4 The rate of job growth, betwe
Page 45: Residual Impacts 7.7.18 No signific
Page 49 and 50: cliff at the location of the propos
Page 51 and 52: ed alga Corallina is the main habit
Page 53 and 54: in recognition of the importance an
Page 55 and 56: Figure 17 Designated Nature Conserv
Page 57 and 58: high tidal range, there is a large
Page 59 and 60: 8.5.4 The Hinkley Point C Drainage
Page 61 and 62: 8.7 Soils and Land Use Existing Env
Page 63 and 64: 8.8.5 Gas monitoring data indicate
Page 65 and 66: footprint of the jetty development

Jetty Non Technical Summary - EDF Hinkley Point

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