Table of Contents

 

11   Landscape and Visual Impact.. 1

11.1           Introduction.. 1

11.2           Environmental Guidelines, Standards and Criteria.. 2

11.3           Assessment Methodology.. 3

11.4           Review of Planning and Development Control Framework.. 7

11.5           Baseline Study.. 11

11.6           Landscape Impact Assessment.. 19

11.7           Visual Impact Assessment.. 26

11.8           Landscape and Visual Mitigation Measures.. 30

11.9           Evaluation of Residual Impacts.. 35

11.10        Environmental Monitoring and Audit.. 40

11.11        Conclusion.. 40

 

List of Tables

Table 11.1       Relationship between Receptor Sensitivity and Magnitude of Change in Defining Impact Significance.. 4

Table 11.2       Relationship between VSRs’ Sensitivity and Magnitude of Change in Defining Impact Significance.. 7

Table 11.3       Summary of the Review of Planning and Development Control Framework.. 8

Table 11.4       Baseline LRs and their Sensitivity.. 12

Table 11.5       Baseline LCAs and their Sensitivity.. 15

Table 11.6       Baseline VSRs and their Sensitivity.. 18

Table 11.7       Magnitude of Landscape Impact during Construction and Operation.. 20

Table 11.8       Locations and Development Details of Permanent Aboveground/Above-sea-level Structures/Hardscape Features.. 27

Table 11.9       Magnitude of Visual Impacts during Construction and Operation.. 29

Table 11.10    Landscape and Visual Mitigation Measures for Construction Phase.. 32

Table 11.11    Landscape and Visual Mitigation Measures for Operation Phase.. 33

Table 11.12    Significance of Landscape Impacts during Construction and Operation Phases.. 36

Table 11.13    Significance of Visual Impacts during Construction and Operation Phases.. 39

 

Figures

Figure 11.1               Land Use Zoning Plan No. S/K15/25 With Project And Study Boundaries

Figure 11.2               Landscape Resource Plan

Figure 11.2.1            Photos Of Landscape Resource (1 Of 3)

Figure 11.2.2            Photos Of Landscape Resource (2 Of 3)

Figure 11.2.3            Photos Of Landscape Resource (3 Of 3)

Figure 11.3               Plan Of Landscape Character Areas

Figure 11.3.1            Photos Of Landscape Character Areas

Figure 11.3.2            Annotated Oblique Aerial Photos Indicating LCAs

Figure 11.4.1            Secondary VSRs & Visual Envelope For Visual Impact Assessment

Figure 11.4.2            Primary VSRs & Visual Envelope For Visual Impact Assessment

Figure 11.5.1            Views From Vp-1 – Existing Conditions At Day 1 And At Year 10

Figure 11.5.2            Views From Vp-2 – Existing Conditions At Day 1 And At Year 10

Figure 11.5.3            Views From Vp-3 – Existing Conditions At Day 1 And At Year 10

Figure 11.6               Location Plan Of Mitigation Measures For Construction Phase (CMS) & Operation Phase (OMS)

Figure 11.6.1            Location Plan Of Mitigation Measures For Construction Phase (CMS) & Operation Phase (OMS) Part 1

Figure 11.6.2            Location Plan Of Mitigation Measures During Construction (CMS) & Operation Phase (OMS) Part 2

Figure 11.6.3            Location Plan Of Mitigation Measures During Construction (CMS) & Operation Phase (OMS) Part 3

 

Appendices

APPENDIX 11.1                 BROAD-BRUSH TREE ASSESSMENT SCHEDULE (TREE GROUP SURVEY)

APPENDIX 11.1-1             TREE GROUP LOCATION PLAN (TREE GROUP SURVEY)

APPENDIX 11.2-1             CONCEPTUAL LANDSCAPE PLAN

APPENDIX 11.2-2             CONCEPTUAL LANDSCAPE PLAN (PART 1)

APPENDIX 11.2-3             CONCEPTUAL LANDSCAPE PLAN (PART 2)

APPENDIX 11.2-4             CONCEPTUAL LANDSCAPE PLAN (PART 3)

APPENDIX 11.2-5             ARTIST’S IMPRESSION OF THE PROPOSED WORKS

APPENDIX 11.2-6             ARTIST’S IMPRESSION OF THE PROPOSED WORKS

APPENDIX 11.2-7             ARTIST’S IMPRESSION OF THE PROPOSED WORKS

APPENDIX 11.2-8             EXISTING CONDITION OF LEI YUE MUN WATERFRONT AREA

APPENDIX 11.2-9             ARTIST’S IMPRESSION OF THE PROPOSED WORKS

 

 

 



11        Landscape and Visual Impact

11.1             Introduction

11.1.1.1    This section presents the findings of the assessment of potential landscape and visual impacts associated with the Project.

11.1.1.2    The Landscape and Visual Impact Assessment (LVIA) is prepared in accordance with the requirements in Section 3.4.11 and Appendix H of the EIA Study Brief issued by Environmental Protection Department and Annexes 10 and 18 of the Technical Memorandum on Environmental Impact Assessment Process (EIAO-TM).  Further guidance is given by the Environmental Impact Assessment Ordinance (EIAO) Guidance Note No. 8/2010.

11.1.1.3    According to EIA Study Brief Section 3.4.11.2, the assessment area for the landscape impact assessment shall include areas within 500m distance from the site boundary of the Project and is shown in Figure 11.1 while the assessment area for the visual impact assessment shall be defined by the visual envelope of the Project and is shown in Figure 11.4.1. 

11.1.1.4    This Project is a designated project under EIAO as described in Section 1.1. Descriptions of the Project and the alternative options/designs considered for the Project have been discussed in Section 2. 

 

Objective of the LVIA

11.1.1.5    The objective of the LVIA is to undertake baseline survey and analysis in order to identify critical issues and predict landscape and visual impacts during the construction and operation phases of the Project in accordance with the Study Brief. It identifies, describes and quantifies any potential landscape and visual impacts, evaluates the significance of such impacts on sensitive receivers and proposes measures to avoid or mitigate the significance of any adverse impacts where required.

 

Scope of the LVIA

11.1.1.6    The scope of the LVIA assessment includes:

·         a definition of the scope and contents of the study, including a description of the assessment methodology;

·         a review of the relevant planning and development control framework;

·         a baseline study providing a comprehensive and accurate description and identification of the sensitivity of the baseline Landscape Resources, Landscape Character Areas, and Visually Sensitive Receivers (VSRs);

·         identification of potential sources of landscape and visual impact during construction and operation of the Project;

·         identification of the potential landscape and visual impacts and prediction of their nature, magnitude of change and potential significance, before and after the mitigation measures;

·         recommendation of appropriate mitigation measures and associated implementation programmes; and

·         an assessment of the acceptability or otherwise of the predicted residual impacts, according to the five criteria set out in Annex 10 of the EIAO-TM.

11.2             Environmental Guidelines, Standards and Criteria

11.2.1.1    The following legislation, standards and guidelines are applicable to the landscape and visual impact assessment for construction and operation of the Project:

·         Environmental Impact Assessment Ordinance (Cap. 499) and the Technical Memorandum on EIA Process (EIAO-TM), particularly Annexes 10 and 18;  

·         Environmental Impact Assessment Ordinance Guidance Note No. 8/2010; 

·         Town Planning Ordinance (Cap. 131); 

·         Country Park Ordinance (Cap 208);

·         Animals and Plants (Protection of Endangered Species) Ordinance (Cap 187A);

·         Protection of Endangered Species of Animals and Plants Ordinance (Cap. 586); 

·         Hong Kong Planning Standards and Guidelines Chapters 4, 10 and 11; 

·         Agriculture, Fisheries and Conservation Department (AFCD) Nature Conservation Practice Note No. 2 - Measurement of Diameter at Breast Height (DBH); 

·         AFCD Nature Conservation Practice Note No. 3 – The Use of Plant Names; 

·         ETWB TCW No. 29/2004 - Registration of Old and Valuable Trees (OVT), and Guidelines for their Preservation; 

·         ETWB TCW No. 8/2005 - Aesthetic Design of Ancillary Buildings in Engineering Projects; 

·         DEVB TCW No. 2/2012 - Allocation of Space for Quality Greening on Roads; 

·         DEVB TCW No. 6/2015 - Maintenance of Vegetation and Hard Landscape Features; 

·         DEVB TCW No. 7/2015 - Tree Preservation; 

·         Geotechnical Engineering Office (GEO) Publication No. 1/2011 – Technical Guidelines on Landscape Treatment and Bio-Engineering for Man-Made Slopes and Retaining Walls;

·         Guidelines on Tree Transplanting (September 2014) issued by Greening, Landscape and Tree Management (GLTM) Section of Development Bureau (DEVB) ;

·         Guidelines on Tree Preservation during Development (April 2015) issued by GLTM Section of DevB; and

·         Landscape Value Mapping of Hong Kong (2005 Edition)

·         The Register of Old and Valuable Trees – Hong Kong, maintained by the Leisure and Cultural Services Department

·         Geographical Information System on Hong Kong Heritage (accessible at: http://www5.lcsd.gov.hk/internet/index.html)

11.2.1.2    The Outline Zoning Plan (OZP) gazetted under the Town Planning Ordinance provides the statutory framework for land use development.  For this project, reference has been made to the Approved Cha Kwo Ling, Yau Tong, Lei Yue Mun Outline Zoning Plan No. S/K15/25 (April 2017). 

11.3             Assessment Methodology

11.3.1           Landscape Impact

11.3.1.1    The landscape impacts have been assessed according to the following procedures:

·         Identification of the baseline landscape resources (LRs) and landscape characters found within the study area.  This is achieved by site visits and desktop study of topographical maps, information databases and photographs.

·         Assessment of the degree of sensitivity of the LRs and landscape character areas (LCAs).  This is achieved by desktop study of Landscape Value Mapping of Hong Kong and other relevant information. This is influenced by a number of factors including:

o    whether the LRs/ LCAs are considered to be of local, regional, national or global importance;

o    whether there are any statutory or regulatory limitations/requirements relating to the LRs/ LCAs;

o    quality and maturity of the LRs/ LCAs;

o    rarity of the LRs/ LCAs; and

o    ability of the LRs/ LCAs to accommodate change. 

·         The sensitivity of each LR and LCA is classified as follows:

High:

Important landscape character or landscape resource of particularly distinctive character or high importance, sensitive to relatively small change.

Medium:

Landscape character or landscape resource of moderately valued landscape characteristics reasonably tolerant to change.

Low:

Landscape character or landscape resource, the nature of which is largely tolerant to change.

·         Identification of potential sources of landscape changes.  These are the various elements of the construction works and operation procedures that would generate landscape impacts. 

·         Identification of the magnitude of landscape change.  The magnitude of the change depends on a number of factors including the physical extent of the change, the compatibility of the Project with the surrounding landscape, the duration of impact and the reversibility of change.  Landscape changes have been quantified wherever possible.  The magnitude of landscape changes is classified as follows:

Large:

The landscape character or landscape resource would involve a major change.

Intermediate:

The landscape character or landscape resource would involve a moderate change.

Small:

The landscape or landscape resource would involve slight or barely perceptible change.

Negligible:

The landscape or landscape resource would involve no discernible change.

·         Identification of potential landscape mitigation and enhancement measures.  These may take the form of:

o    adopting alternative designs or revisions to the basic engineering and landscaping design to prevent and/or minimise adverse impacts before adopting other mitigation or compensatory measures to alleviate the impacts;

o    potential mitigation measures include preservation of vegetation and natural landscape resources, transplanting trees with value and in good condition, colour and textual treatments to structures (e.g. the promenade and breakwater); and

o    potential compensatory measures include the implementation of landscape design and beautification works (e.g. provision of amenity planting, screen planting, reinstatement of disturbed lands, aesthetic design of aboveground/above-sea-level structures/hardscape features such as using finishes, colour scheme, texture of materials) to generate potentially beneficial long term impacts.

A programme for the mitigation measures is provided and discussed in Section 11.8.  The agencies responsible for the funding, implementation, management and maintenance of the mitigation measures are proposed in Table 11.10 and Table 11.11. 

·         Assessment of the significance of landscape impacts before and after the implementation of the mitigation measures and enhancement measures.  By synthesizing the magnitude of the various impacts and the sensitivity of the various landscape resources, it is possible to categorise impacts in a logical, well-reasoned and consistent fashion.  Table 11.1 shows the rationale for dividing the degree of significance into four thresholds, namely insubstantial, slight, moderate, and substantial, depending on the combination of a negligible-small-intermediate-large magnitude of change and a low-medium-high degree of sensitivity of LRs/ LCAs. 

Table 11.1   Relationship between Receptor Sensitivity and Magnitude of Change in Defining Impact Significance

Impact Significance

Receptor Sensitivity (LRs/ LCAs)

Low

Medium

High

Magnitude of Change relative to baseline conditions caused by the Project

Large

Moderate

Moderate / Substantial

Substantial

Intermediate

Slight / Moderate

Moderate

Moderate / Substantial

Small

Insubstantial / Slight

Slight / Moderate

Moderate

Negligible

Insubstantial

Insubstantial

Insubstantial

Note:  All impacts are “Adverse” unless otherwise indicated.

·         The significance thresholds are defined as follows:

Substantial:

Adverse / beneficial impact where the proposal would cause significant deterioration or improvement in existing landscape quality.

Moderate:

Adverse / beneficial impact where the proposal would cause a noticeable deterioration or improvement in existing landscape quality.

Slight:

Adverse / beneficial impact where the proposal would cause a barely perceptible deterioration or improvement in existing landscape quality.

Insubstantial:

No discernible change in the existing landscape quality.

·         Assessment of Acceptability of Impacts.  An overall assessment of the acceptability, or otherwise, of the impacts according to the five criteria set out in Annex 10 of the EIAO-TM.

11.3.2           Visual Impact

11.3.2.1    The visual impacts have been assessed according to the following procedures:

·         Identification of the Visual Envelope during the construction and operation phases of the Project.  This is achieved by site visit and desktop study of topographic maps, photographs and preparation of cross-sections to determine visibility of the Project from various locations. 

·         Identification of the VSRs within the Visual Envelope at construction and operation phases.  These are the people who would reside, work, or take leisure within, or travel through, the Visual Envelope.

·         Assessment of the degree of sensitivity to change of the VSRs.  Factors considered include: 

o    The type of VSRs, classified according to whether the person is at home, at work, at play, or travelling.  Those who view the change from their homes are considered to be highly sensitive as the attractiveness or otherwise of the outlook from their home will have a substantial effect on their perception of the quality and acceptability of their home environment and their general quality of life.  Those who view the impact from their workplace are considered to be only moderately sensitive as the attractiveness or otherwise of the outlook will have a less important, although still material, effect on their perception of their quality of life.  The degree to which this applies depends on whether the workplace is industrial, retail or commercial.  Those who view the impact whilst taking part in an outdoor leisure activity may display varying sensitivity depending on the type of leisure activity.  Those who view the impact whilst travelling on a public thoroughfare will also display varying sensitivity depending on the speed of travel; and 

o    other factors considered (as required by EIAO GN 8/2010) include the value and quality of existing views, the availability and amenity of alternative views, the duration or frequency of view, and the degree of visibility. 

·         The sensitivity of VSRs is classified as follows:

High:

The VSR is highly sensitive to any change in their viewing experience.

Medium:

The VSR is moderately sensitive to any change in their viewing experience.

Low:

The VSR is only slightly sensitive to any change in their viewing experience.

·         Identification of relative numbers of VSRs.  This is expressed in terms of whether there are “many“, “medium” or “few” VSRs in any one category of VSR.

·         Identification of potential sources of visual changes.  These are the various elements of the construction works and operation that would generate visual changes.

·         Assessment of the potential magnitude of visual changes.  Factors considered include:

o    the compatibility with the surrounding landscape;

o    the duration of the impact;

o    the reversibility of the impact;

o    the scale of the impact and distance of the source of impact from the viewer; and

o    the degree of visibility of the impact, and the degree of which the impact dominates the field of vision of the viewer. 

·         The magnitude of visual changes is classified as follows: 

Large:

The VSRs would suffer a major change in their viewing experience.

Intermediate:

The VSRs would suffer a moderate change in their viewing experience.

Small:

The VSRs would suffer a small change in their viewing experience.

Negligible:

The VSRs would suffer no discernible change in their viewing experience.

·         Identification of potential visual mitigation and enhancement measures.  These may take the form of:

o    adopting alternative designs or revisions to the basic engineering design and landscape design to prevent and/or minimise adverse visual impacts before adopting other mitigation or compensatory measures to alleviate the impacts;

o    potential mitigation measures include preservation of vegetation and natural landscape resources, colour and textual/ finishing treatment of structures (e.g. the promenade and breakwater); and 

o    potential compensatory measures include the implementation of landscape design and beautification works (e.g. tree/ shrubs planting, aesthetic design of aboveground/above-sea-level structures/hardscape features such as using finishes, colour scheme, texture of materials, and creation of new open space, etc) to generate potentially beneficial long term impacts.

A programme for the mitigation measures is provided and discussed in Section 11.8. The agencies responsible for the funding, implementation, management and maintenance of the mitigation measures are proposed in Table 11.10. 

·         Assessment of the significance of visual impacts before and after the implementation of the mitigation and enhancement measures.  By synthesizing the magnitude of the various visual impacts and the sensitivity of the VSRs, and the numbers of VSRs that are affected, it is possible to categorise the degree of significance of the impacts in a logical, well-reasoned and consistent fashion. Table 11.2 shows the rationale for dividing the degree of significance into four thresholds, namely, insubstantial, slight, moderate and substantial, depending on the combination of a negligible-small-intermediate-large magnitude of change and a low-medium-high degree of sensitivity of VSRs. 

Table 11.2       Relationship between VSRs’ Sensitivity and Magnitude of Change in Defining Impact Significance

Impact Significance

Receptor Sensitivity (VSRs)

Low

Medium

High

Magnitude of Change relative to baseline conditions caused by the Project

Large

Moderate

Moderate / Substantial

Substantial

Intermediate

Slight / Moderate

Moderate

Moderate / Substantial

Small

Insubstantial / Slight

Slight / Moderate

Moderate

Negligible

Insubstantial

Insubstantial

Insubstantial

Note:  All impacts are “Adverse” unless otherwise indicated.

·         The significance of visual impacts is categorised as follows:

Substantial:

Adverse / beneficial impact where the proposal would cause significant deterioration or improvement in existing visual quality.

Moderate:

Adverse / beneficial impact where the proposal would cause a noticeable deterioration or improvement in existing visual quality.

Slight:

Adverse / beneficial impact where the proposal would cause a barely perceptible deterioration or improvement in existing visual quality.

Insubstantial:

No discernible change in the existing visual quality.

·         Assessment of Acceptability of Impacts.  An overall assessment of the acceptability, or otherwise, of the impacts according to the five criteria set out in Annex 10 of the EIAO-TM. 

11.4             Review of Planning and Development Control Framework

11.4.1.1    Plans and studies relevant to the Project have been reviewed to identify areas of high landscape value, country parks, coastal protection area, green belt (GB) and conservation area designations, including consideration of grading listed by Antiquities and Monuments Office.  Relevant guidelines on landscape and urban design strategies and frameworks that may affect the appreciation of the Project have also reviewed.  This aims to identify Project limitations and implications in landscape planning terms. 

11.4.1.2    The Study Area of the Project is primarily covered by the approved Cha Kwo Ling, Yau Tong, Lei Yue Mun Outline Zoning Plan (OZP) No. S/K15/25 (April 2017).  The land uses within the Study Area is shown in Table 11.1.  The land uses potentially affected by the Project and the future outlook of the area are discussed and summarised in Table 11.3.

11.4.1.3    Apart from the approved OZP, the following proposed works by others under separate project as listed below have also been reviewed:

·         Post-Typhoon Hato Follow-up Works at Lei Yue Mun by others under separate project, including but not limited to the provision of concrete parapet walls and raising the rock armour seawall at some sections of the waterfront along Lei Yue Mun.

Table 11.3     Summary of the Review of Planning and Development Control Framework

OZP Plan Title and No.

Land Use Zonings

Approx. Area of the Land Use Zones to be Affected

Current Design and Conservation Intention in the OZP

Anticipated Future Outlook of the Area Caused by the Project

Approved Cha Kwo Ling, Yau Tong, Lei Yue Mun Outline Zoning Plan No. S/K15/25 (April 2017)

Open Space (O)

3371 m2

The current design is in line with the primary intention of the approved OZP that outdoor open-air public space will be provided for active and/or passive recreational uses serving the needs of local residents as well as the general public. 

Under the Project, the Lei Yue Mun waterfront including the existing viewing platform, lookout points and footpath will be revitalised with the provision of greening, improved paving scheme, a children’s play area, viewing platforms, sitting-out areas and improved waterfront promenade, which provide a harmonious and relaxing open space as well as an unwinding arrival experience at the proposed public landing facility. The quality of the area is expected to be improved from both the landscape and visual perspectives. With the provision of a cosy and neat public landing facility and waterfront promenade sited strategically at a convenient location, the regional significance of the place will also be augmented. While the concerned area will accommodate majority of the proposed enhancement works, the scale of the mentioned works is considered small and compatible with the surrounding environment. This kind of land use is fairly common found in Hong Kong.

Other Specified Uses (OU) annotated “breakwater”

174 m2

The current design is in line with the primary intention of the approved OZP that land will be provided for breakwater.

Following the approved OZP, this is a trivial protrusion from the coastline that will visually blend well into the existing surrounding coarse texture of the rocky shore and Oyster Shell Beach. While the original quality of inshore waters in the concerned area will be changed, the proposed small-scale breakwater will cause limited and negligible impact to the concerned area due to its landscape and visual compatibility with the surrounding proposals and existing conditions.  The significance of change in the local and regional context is considered negligible. This type of land use is fairly common in Hong Kong.

Village Type Development (V)

2300 m2

The current design is in line with the primary intention of the approved OZP that land will be provided for the retention and expansion of existing villages, and land will be reserved for the re-provision of village houses affected by Government projects.

This area is mainly composed of low-rise village houses and restaurants. In between buildings are in general linear open spaces, e.g. streets, and nodes of gathering points, e.g. lookout points, 

In the vision of creating a better environment for passive uses, the Project mainly involves re-pavement along streets and provision of furniture, greening and other landscape elements in several lookout points. The scale of the proposed enhancement works of the concerned area is small and its significance to the local and regional context is slight. In general, the quality of the spaces in this area will be enhanced when the proposed works has been carried out.

 

Coastal Protection Area (CPA)

0 m2

The current design is in line with the primary intention of the approved OZP that the lighthouse, the natural coastlines and the sensitive coastal natural environment, including scenic value, will be conserved, protected and retained.

No works will be carried out within the CPA. However, considering the proposed dredging works are in the vicinity of the CPA, mitigation measures during construction and operation phases (e.g. capital and maintenance dredging respectively) are proposed which include a buffer zone between the CPA and the proposed dredging area with the shortest distance of about 10m and deployment silt curtains to prevent dispersion of suspended sediments during dredging works (details are presented in Section 5.8).

11.4.1.4    Taken into account both the proposed enhancement works under the Project and proposed works by others, it can be concluded that there will be no change in the land use of the approved Cha Kwo Ling, Yau Tong, Lei Yue Mun Outline Zoning Plan No. S/K15/25 (April 2017). With the provision of the proposed enhancement works (e.g. provision of a waterfront promenade, improvement works to the existing viewing platforms and lookout points as well as streetscape improvement works) under the Project, the landscape and visual quality within the Project Boundary will be enhanced, thereby bringing in beneficial impacts to the area within the Project Boundary and nearby areas. The waterfront of Lei Yue Mun will be more accessible to the public and a more pleasant and welcoming space will be created. The significance of overall changes will therefore be large but compatible with the existing environment in the local and regional context. The type of landscape within the Project Boundary after the completion of the proposed works will however be fairly common in Hong Kong. 

11.5             Baseline Study

11.5.1           Landscape Resources

11.5.1.1    The details of Baseline LRs that will be potentially affected by the Project, together with their sensitivity are provided in Table 11.4.  The locations of baseline LRs are indicated in Figure 11.2 and the photographs of the identified LRs within the Study Area are provided in Figures 11.2.1 to 11.2.3. 

Table 11.4       Baseline LRs and their Sensitivity

LRs

Description

Sensitivity

LR 1

Recreation Ground

This landscape resource represents sites locating in an urban/semi-urban context that accommodate open spaces for both active activities, e.g. football pitches, basketball courts and fitness equipment, and passive activities, e.g. resting and informal games. The extent of topographic changes vary in different sites, but the open spaces within which are in general levelled to facilitate active and passive activities. This type of landscape resource is mostly lushly planted with great varieties of trees and other plant species, so this type of landscape resource is also an urban habitat for wildlife. In this LVIA, the type of Recreation Ground includes Sam Ka Tsuen Recreation Ground and Lei Yue Mun Rest Garden to the northeast of the Lei Yue Mun Lighthouse. Although this landscape resource is quite well established and of high quality, LR 1 is commonly found in Hong Kong. It provides open spaces for active and passive uses in the local district, so LR 1 is an important landscape resource and LR 1’s ability to accommodate changes is considered moderate.

Medium

LR 2

Seafront Promenade & Pier

Seafront Promenade and Piers consist of a linear open space that wrap around Sam Ka Tsuen Typhoon Shelter serving mainly passive activities, such as jogging, rambling and resting. Planting in this type of LR is generally simple in forms and geometry, so as to provide a strong legibility of the space. Street trees, such as Delonix regia and Hibiscus tiliaceus are deployed to reinforce the visual rhythm. LR 2 is a common, well-established, high quality landscape resource frequently used by local residents and tourists for passive uses. Therefore, it is an important landscape resource and its capacity to accommodate changes is considered low. 

High

LR 3

Industrial Development

This type of LR is composed of a range of factories, and car parks. Some of the land parcels were quite open which were occasionally and partially covered by ruderal vegetation. Yet, there was not an obvious planned greenery network within this type of LR. In principle, the factories were mid-rise buildings with the high-rise residential estate to its eastern side as background.  As these factories have a great demand for logistics, roads within this type of LR are usually frequently used by trucks, making the landscape resource not very suitable for leisure activities. LR 3 is a very common and not very well established landscape resource. Only a small amount of workers frequently visit LR 3 and the time they stay in LR 3 is short on a daily basis, so it is an unimportant landscape resource in the local and regional context. The quality of LR 3 is low. Therefore, LR 3 can tolerate huge changes. According to the approved Cha Kwo Ling, Yau Tong, Lei Yue Mun Outline Zoning Plan No. S/K15/25 (April 2017), the majority of LR 3 is currently planned to be Comprehensive Development Area (CDA) and Residential (Group E). 

Low

LR 4

Coastal Village

This type of LR stretching along to the north of Lei Yue Mun coastline is occupied mainly by small village houses, shops and restaurants. Paths within this type of LR are relatively narrow that discourages motorised vehicular traffic. However, the overall setting promotes people lingering across it. Patches of plants that are mostly of ornamental species are provided by the local residents, shop owners and institutions can be found in this type of LR. A potentially registrable Old and Valuable Tree (pOVT) is also identified to the eastern side of Lei Yue Mun Rest Garden and in the open space in front of Monet Garden. The tree is a Ficus microcarpa with a wide and balanced canopy and the local residents believe that it brings fortune according to the script on a plaque erected in front of the tree. The quality of LR 4 was fair and people could quite often encounter this landscape resource. However, it was a quite well established landscape resource and also important in the local and regional context as it defined Lei Yue Mun’s identity and sense of place. LR 4 was considered to have moderate capacity to accommodate changes.

Medium

LR 5

Residential Development

This type of LR located on the northern side of the study boundary is predominantly comprised of high-rise residential estates divided by roads. Roadside tree planting, such as Hibiscus tiliaceus and Melaleuca cajuputi subsp. cumingiana, are also found. LR 5 is of a fair quality and well established. Since this type of LR can commonly be found in Hong Kong, it has lower importance in the local and regional context.  However, as residents stay a long time in LR 5 every day and are familiar with this LR. Thus, its capacity to accommodate changes is considered moderate.

Medium

LR 6

Historic Site

This type of LR includes sites that contain historic buildings and structures. Within the study boundary, a Tin Hau Temple and fortifications are identified to the south of Ma Pui Tsuen and on the hillside of Devil’s Peak facing Lei Yue Mun, respectively. Both localities are relatively open in the core of the sites while trees and other vegetation grow on the peripheries. Tin Hau Temple and Fortifications at Devil’s Peak are graded 3 and 2, respectively by Antiquities Advisory Board. As Tin Hau Temple located at a semi-urban area, it is believed that more people, especially followers of Tin Hau would visit the site whereas fortifications would be visited mainly by hikers. The quality of LR 6 was fair. LR 6’s historical grading results in its high importance in the local and regional context, higher rarity and high maturity, but lower capacity to accommodate changes.

High

LR 7

Rocky Shore and Oyster Shell Beach

This type of LR is located to the west of Lei Yue Mun Rest Garden and is very open and mildly flat with a coarse texture at ground. The lighthouse at the tip of the Oyster Shell Beach is a landscape feature of the landscape resource. Due to the presence of the lighthouse and the openness of the area allowing a vista of the Hong Kong Island side, the site is frequently visited by local residents and tourists. As indicated in OZP No. S/K15/25, this LR falls within the Coastal Protection Area (CPA). This LR is intended to be conserved and protected with the retention of the lighthouse, the natural coastal and the sensitive coastal natural environment, including area of scenic value. There should be minimum built development. LR 7 is of high quality, well-established and was relatively uncommon. The process of public engagement also reveals that the local villagers treasure LR 7 tremendously and expressed huge desire to preserve LR 7. Thus, LR 7 is an important landscape resource. Together with the consideration of the planning intention concerning LR 7, its capacity to accommodate changes is low.

 

High

LR 8

Semi-natural Woodland

Sites of semi-natural woodland are disturbed areas with a certain degree of colonization of native vegetation, e.g. Macaranga tanarius var. tomentosa. However, invasive weedy Leucaena leucocephala and other non-native species are also spotted.  Since this landscape resource is not intended to be visited by general public, it is usually not actively maintained. However, this type of LR can be a habitat for wildlife and part of green infrastructure within the district. LR 8 is of fair quality and is quite mature, yet this type of LR can be commonly encountered and unimportant in the local and regional context. Hence, LR 8’s capacity to accommodate change is considered high.

Low

LR 9

Semi-natural Uphill Woodland & Other Vegetation

The landscape resource is located within rural areas with greater topographic changes and is composed of more native species, such as Litsea glutinosa, Litsea rotundifolia, Mallotus paniculatus, Rhus succedanea and Sapium discolor. On the other hand, non-native pioneering species are also encountered, such as Acacia confusa, Acacia mangium and Lophostemon confertus. Hiking trails are available for hikers to stroll around the landscape resource.  LR 9 is of good quality and well established, but it is a common type of LR in Hong Kong. As it provides trails and open spaces for hiking and other passive uses, this LR is moderately important in the local and regional context. Its capacity to accommodate changes is considered moderate.

Medium

LR 10

Bay Area

This landscape resource comprises water bodies that are close to the Old Lei Yue Mun Quarry coastline. The quality of LR 10 is high but it can commonly be found in Hong Kong. It is also very well established and important in the local context. Thus, its capacity to accommodate changes is considered moderate.

Medium

LR 11

Inshore Waters

The landscape resource comprises mainly an open water body in between the Kowloon side and Hong Kong Island side. Ferries and other vessels often travel across this type of LR, forming part of the landscape of the place. LR 11 is of high quality and a common landscape resource. It is well established and important in the local context. Thus, It is considered with a moderate capacity to accommodate changes.

Medium

LR 12

Typhoon Shelter

The landscape resource comprises water bodies which most of the time is parked with vessels. As the water bodies are protected by its surroundings, it was relatively static. LR 12 was a space of high quality and can be commonly encountered in Hong Kong. It is well established and important in the local context. Thus, its capacity to accommodate changes is considered moderate.

Medium

11.5.2           Landscape Character Areas (LCAs)

11.5.2.1    The details of Baseline LCAs that will be potentially affected by the Project, together with their sensitivity are described in Table 11.5.  The locations of baseline LCAs are indicated in Figure 11.3. The photographs of the LCAs identified within the Study Area are presented in Figures 11.3.1 to 11.3.2. 

Table 11.5       Baseline LCAs and their Sensitivity

LCAs

Description

Sensitivity

LCA 1

Yau Tong Residential Urban LCA

Yau Tong Residential Urban LCA comprises mainly developed residential high-rises, including several towers of Lei Yue Mun Estate and Yau Tong Centre. LCA 1 is well established. LCA 1 is of fair quality and is a very common type of LCA. Its capacity to accommodate changes is considered moderate, due to the familiarity to the surrounding open spaces the residents had.

Medium

LCA 2

Lei Yue Mun Coastal Upland and Hillside LCA

Lei Yue Mun Coastal Upland & Hillside LCA is a rural area predominantly consisting of forest with a greater diversity of plant species and a higher composition of native vegetation. The overall aspects of the slopes of this LCA are southwest and southeast facing to the neighbouring inshore waters. This is a well-established, high quality landscape character area. However, this type of LCA is commonly encountered in the Territory. Its capacity to accommodate changes is considered moderate.

Medium

LCA 3

Lei Yue Mun Point Bay LCA

This type of LCA mainly comprises a water body within which vessels can anchor. The water body is relatively protected when compared to inshore waters. LCA 3 is located next to the east of Old Lei Yue Mun Quarry and to the north of Lei Yue Mun Point. LCA 1 is of high quality and can commonly be found in the territory. This LCA is well established. LCA 1 is considered possessing a moderate capacity to accommodate changes.

Medium

LCA 4

Yau Tong Industrial Urban LCA

Factories of several stories make up most of the Industrial Urban LCA and the LCA is located to the north of Sam Ka Tsuen Ferry Pier. LCA 4 is of fair quality and this type of LCA can be commonly found. This LCA is well established. This LCA’s capacity to accommodate changes is considered high.

Low

LCA 5

Lei Yue Mun Inshore Waters LCA

Lei Yue Mun Inshore LCA mainly comprises inshore open waters in between the Kowloon side and Hong Kong Island side, forming a strait. Therefore, vessels can also be sighted in the waters. It is a mature and well established LCA and significant to the local and regional context. This LCA is of high quality and a common type of LCA. LCA 5 is considered possessing a moderate capacity to accommodate changes.

Medium

LCA 6

Shaukeiwan Miscellaneous Urban Fringe LCA

This landscape character area is of rural area having greater topographic changes and composed of woodland and shrubland. The overall aspect of slope was facing northeast towards inshore waters. This is a high quality, well established LCA and commonly seen in Hong Kong. Its capacity to accommodate changes is considered moderate.

Medium

LCA 7

Shaukeiwan Typhoon Shelter LCA

Shaukeiwan Typhoon Shelter LCA is located to the north of Shau Kei Wan Wholesale Fish Market. This LCA is composed of a breakwater and a protected water body. LCA 7 is well established, of high quality, commonly found in Hong Kong, and with moderate capacity to accommodate changes.

Medium

 

11.5.3           Broad-Brush Tree Survey

11.5.3.1    A board-brush tree survey, which provides baseline information on the LRs and LCAs, was carried out in accordance with Appendix H of the EIA Study Brief to identify factors such as dominant tree species, maturity, rarity, and any plant species of specific conservation interest, etc. which would be potentially affected by the Project. The findings of the broad-brush tree survey are detailed in Appendix 11.1. 

11.5.3.2    Three tree groups were identified within the Project Boundary and there were approximately 22 trees in total identified in these tree groups. The dominant tree species of these groups were Ficus microcarpa and Macaranga tanarius var. tomentosa and Celtis sinensis. The trees identified in the broad-brush tree survey were generally between light standard and mature sized. No OVTs were identified within the Project Boundary, yet one potentially registrable OVT (pOVT) of Ficus microcarpa with a Diameter at Breast Height (DBH) of about 1.2m is located between Monet Garden and Lei Yue Mun Rest Garden near but outside the Project Boundary. Considering the pOVT would be located outside the Project Boundary and the proposed works in the vicinity of the pOVT would only be minor pavement enhancement works, the potential impact on the pOVT would be minimal. Nonetheless, precautionary measures in compliance with ETWB TCW No. 29/2004 titled “Registration of Old and Valuable Trees, and Guidelines for their Preservation” will be undertaken to protect the pOVT. All tree groups assessed in the broad-brush tree survey within the Project Boundary were common in Hong Kong and none of the trees was plant species of specific conservation interest.

11.5.3.3    As the proposed enhancement works are intended to improve the landscape and visual quality within the Project Boundary, all existing trees within the Project Boundary would be preserved as far as possible. A detailed tree survey is recommended to be carried out at the detailed design stage, in order to obtain more accurate information, e.g. precise locations of the existing trees, DBHs of individual trees and species of individuals etc., for the development of a detailed tree preservation proposal. 

11.5.4           Visual Envelope

11.5.4.1    The prominent lowland location of the Study Area gives rise to a large visual envelope that extends beyond the immediate neighbourhood of the Project.  The visual envelope of the Project is embraced by the tall and lush vegetation mass, and the multi-storey village houses to the North and East, the ridgelines of Pottinger Gap and Mount Parker to the South. To the west, the visual envelope stopped further away by buildings and ultimately stops at the screen formed by the high-rise developments along the coastline from To Kwa Wan to Hung Hom. The visual envelope of the Project is illustrated in Figure 11.4.1.

11.5.5           Visually Sensitive Receivers (VSRs)

11.5.5.1    Within the visual envelope, a number of primary (within a distance of 2km from the Project Boundary) and secondary (beyond a distance of 2 km from the Project Boundary) VSRs have been identified during construction and operation phases.

11.5.5.2    The sensitivities of VSRs were assessed in accordance with EIAO Guidance Note No. 8/2010 and key factors including the types of VSRs, the number of individuals within the VSRs, the quality of the existing view, the availability of alternative views, the degree of visibility, the duration of view and the frequency of view of the VSRs were considered.

11.5.5.3    Two types of VSRs, namely residential and recreational VSRs, have been identified in the visual envelope of the Project. Three of the residential VSRs are primary VSRs. These include the local residents and villagers living near the proposed enhancement works, the residents in Heng Fa Chuen (located to the Southeast of the proposed works), and the residents near Shau Kei Wan Typhoon Shelter (located to the Southwest of the proposed works). The remaining primary VSR is a recreational VSR, namely the visitors to Hong Kong Museum of Coastal Defence (located to the West of the proposed works). Two secondary VSRs have been identified. These include the residents living near the coastline of Hung Hom and the visitors to Kai Tak Runway Park & Cruise Terminal. The locations of the above-mentioned primary and secondary VSRs are indicated in Figures 11.4.1 and 11.4.2, and their baseline assessment and sensitivity are presented in Table 11.6.


Table 11.6           Baseline VSRs and their Sensitivity

VSR ID.

VSRs

Type of VSRs

Number of Individuals

(Many/ Medium/ Few)

Quality of Existing View

(Good/Fair/ Poor)

Availability of Alternative Views

(Yes/No)

Degree of Visibility

(Full/ Partial/ Glimpse)

Frequency of View

(Frequent/ Occasional/ Rare)

Sensitivity

Primary VSRs (within a distance of 2 km from the Project Boundary)

R-01

Local Residents and Villagers Living near the Proposed Works

Residential

Medium

Good

Yes

Partial

Frequent

Medium

R-02

Residents in Heng Fa Chuen

Residential

Medium

Good

Yes

Full

Occasional

Medium

R-03

Residents Living near Shau Kei Wan Typhoon Shelter

Residential

Medium

Good

Yes

Partial

Occasional

Medium

V-01

Visitors to Hong Kong Museum of Coastal Defence

Recreational

Few

Good

Yes

Full

Rare

Low

Secondary VSRs (beyond a distance of 2 km from the Project Boundary)

R-04

Residents Living near the Coastline of Hung Hom

Residential

Medium

Good

Yes

Glimpse

Frequent

Low

V-02

Visitors to Kai Tak Runway Park & Cruise Terminal

Recreational

Medium

Good

Yes

Glimpse

Occasional

Low

 


11.6             Landscape Impact Assessment

11.6.1           Sources of Landscape Impacts

11.6.1.1    The sources of landscape impacts in the construction phase would include: 

·         Construction of a promenade with a public landing facility; including portions of the Project Area will be temporarily fenced off with hoardings. Within the construction sites, there may be temporary site office, ancillary facilities and stockpiles. The access of the general public to parts/all of the Project Area may also be restricted;

·         Construction of a breakwater;

·         Dredging of seabed to provide sufficient water depth for navigation of vessels;

·         Improvement and beautification works for the promenade, five existing lookout points and an existing viewing platform to improve their visual appearance;

·         Construction of a carp-shaped platform and a pavilion with children play area; and

·         Streetscape improvement works. 

11.6.1.2    The sources of landscape impacts in the operation phase would include: 

·         Operation of public landing facility including a breakwater;

·         Operation of the improved five existing lookout points and an existing viewing platform; 

·         Operation of a carp-shaped platform and a pavilion with children play area; and

·         Operation of the beautified waterfront promenade, five existing lookout points and an existing viewing platform; and enhanced streetscape environment. 

11.6.1.3    Since the proposed landscape enhancement works are intended to improve the existing quality of streetscape and open spaces within the Project Boundary, the anticipated residual impact on the LRs and LCAs in the operation phase are expected to be beneficial in general. Nevertheless, mitigation measures to protect the CPA during maintenance dredging are proposed in Table 11.11.

11.6.2           Magnitude of Landscape Impacts

11.6.2.1    The magnitude of unmitigated landscape impacts associated with the construction and operation phases of the Project are assessed and described in Table 11.7. 

Table 11.7           Magnitude of Landscape Impact during Construction and Operation

ID

Landscape Resources/ Character Areas

Potential Source of Impact

Description of Impacts

Magnitude of Change

(Large/ Intermediate/ Small/ Negligible/Not Affected)

Construction

Operation

Landscape Resources

LR 1

Recreation Ground

·   Revitalization of Open Spaces

·   Provision of Promenade with Public Landing Facility

·   Cumulative Impact: Restoration of seawalls after Typhoon Hato at sections along the Lei Yue Mun waterfront (including construction of concrete parapet walls and raising of rock armour seawall) by others

Within the project boundary, Lei Yue Mun Rest Garden and its vicinity will be revitalised with enhanced paving and amenity planting.  A children’s play area and sitting-out areas will be provided. Furniture, such as benches and lighting echoing the overall landscape theme will also be installed at appropriate locations.  Based on the conceptual design and latest available information, no existing trees will be felled due to the proposed works. One pOVT has been identified near the Lei Yue Mun Rest Garden but out the project boundary will be preserved during construction and operation of the Project.

 

The shoreline of LR 1 comprise of semi-natural sandy and rocky shore. The construction of the proposed waterfront promenade with public landing facility will possibly cause approximately 100m of semi-disturbed natural coastline into artificial structure.  Taking into account the proposed minor restoration of seawall works by others, approx. 2836 m2 (~80%) of this LR will be affected.

 

In view of the above, it is considered that the unmitigated impact on LR 1 will be intermediate.

Hoardings will be erected on the periphery of construction sites and access to partial area of the LR will be restricted during construction.

Intermediate

 

 

Intermediate

 

 

LR 2

Seafront Promenade & Pier

Not Affected

Not Affected

Not Affected

Not Affected

LR 3

Industrial Development

Not Affected

The land use of most of the LR is planned to be primarily Residential Development and Comprehensive Development Area according to the approved Cha Kwo Ling, Yau Tong, Lei Yue Mun Outline Zoning Plan No. S/K15/25 (April 2017).  However, no impact will be posed to LR 3 by the proposed enhancement works as it is located approximately 620m away from the nearest project boundary.

Not Affected

Not Affected

LR 4

Coastal Village

·   Revitalisation of existing lookout points and open spaces, e.g. Open Space 2

·   Streetscape improvement works

·   Cumulative Impact:  Restoration of seawalls after Typhoon Hato at sections along the Lei Yue Mun waterfront (including construction of concrete parapet walls and raising of rock armour seawall) by others

 

Within the project boundary, the streetscape improvement works (e.g. improved paving) will be carried out along the existing footpath. Existing lookout points will be revitalised with the improvement of paving, provision of furniture and amenity planting.  Based on the conceptual design and latest available information, no existing trees will be felled due to the proposed works. 

Taking into account the minor seawall repair works by others under separate project, approx. 2846 m2 (~2%) of the LR will be affected. Thus, the unmitigated impacts caused by the proposed enhancement works, are considered small.

 Hoardings will be erected on the periphery of construction sites and access to partial area of the LR will be restricted during the construction phase.

Small

 

Small

LR 5

Residential Development

Not Affected

Not Affected

Not Affected

Not Affected

LR 6

Historic Site

Not Affected

Not Affected

Not Affected

Not Affected

LR 7

Rocky Shore and Oyster Shell Beach (including the CPA)

·   No works will be carried out within the Coastal Protection Area (CPA)

·   Potential negligible impact posed by the dredging works in the vicinity on the CPA during the construction and operation phases (i.e. maintenance dredging) can be mitigated with implementation of appropriate mitigation measures.

·   A proposed carp-shaped platform (~98m2) will be built outside the CPA

·   An existing viewing platform outside the CPA will be improved

The dredging works during the construction and operation phases will be carried out in the vicinity of the CPA and may have potential impact to the integrity of the CPA.  The potential impacts on the CPA during dredging works can be mitigated by deploying appropriate mitigation measures which include establishment of a buffer zone, deployment of silt curtains and close supervision of the works.

 

A carp-shaped platform will be constructed outside the CPA which may cause a small area (~98m2) of the semi-disturbed natural rocky shore into artificial structure.  The impact is considered as small. 

 

The improvement works to the existing viewing platform which comprise modification to the existing artificial seawall and beautification works (e.g. re-paving and amenity planting).  Hence, the impact due to this improvement works is considered as insignificant. 

 

Based on the conceptual design and latest available information, no existing trees will be felled due to the proposed works.  In all, approx. 400 m2 (~24%) of the LR will be affected by the construction of carp-shaped platform and beautification works at the viewing platform.

 

Since no works will be carried out within the CPA, the whole CPA, including the lighthouse within it, will be conserved without any disturbance from the proposed works. It is anticipated that unmitigated impact on LR 7 during the operation phase will be small.

 

Hoardings will be erected on the periphery of construction sites and access to partial area of the LR will be restricted during construction phase.

Small

Small

LR 8

Semi-natural Woodland

Not Affected

Not Affected

Not Affected

Not Affected

LR 9

Semi-natural Uphill Woodland & Other Vegetation

Not Affected

Not Affected

Not Affected

Not Affected

LR 10

Bay Area

Not Affected

Not Affected

Not Affected

Not Affected

LR 11

Inshore Waters

·   Dredging during construction and operation phases (e.g. maintenance dredging at an interval of about every 5 to 10 years)

·   Construction of proposed breakwater (~175m2)

The water quality of LR 11 is expected to receive localised impact during dredging and construction works. However, this impact is considered as transient in nature.  The magnitude of change is considered negligible.  During operation, maintenance dredging would be required at an interval of about every 5 to 10 years.  The magnitude of impact would be same as the capital dredging. 

 

A proposed permanent small-sized protrusion of breakwater from the existing coastline will be built, so as to create calmer conditions for berthing of vessels at the public landing facility during operation phase. 

  Approx. 175 m2 (0.02%) of the LR will be affected. Therefore, it is anticipated that the unmitigated impact on LR11 will be negligible.

Negligible

Negligible

LR 12

Typhoon Shelter

Not Affected

Not Affected

Not Affected

Not Affected

LCAs

LCA 1

Yau Tong Residential Urban Landscape LCA

Not Affected

Not Affected

Not Affected

Not Affected

LCA 2

Lei Yue Mun Coastline Upland & Hillside LCA

·   Revitalisation of open spaces, including enhancement of existing conditions and provision of additional recreational facilities

·   Improvement of existing lookout points, an viewing platform and paving along footpaths and passive and active open spaces

·   Provision of a promenade with public landing facility

·   A proposed carp-shaped viewing platform (~98m2) will be built outside the CPA

·   No works will be carried out in the CPA

·   Cumulative Impact: Restoration of seawalls after Typhoon Hato at sections along the Lei Yue Mun waterfront (including construction of concrete parapet walls and raising of rock armour seawall) by others

Most of the Project Area falls within LCA 2, yet only 6216 m2 (~1.40%) of the LCA will be affected.

Within the project boundary, the streetscape improvement works (e.g. improved paving) will be carried out along the existing footpath. Existing lookout points and viewing platform will be revitalised with the improvement of paving, and provision of furniture and amenity planting.

 

Lei Yue Mun Rest Garden and its vicinity will be revitalised with enhanced paving and amenity planting.  A children’s play area and sitting-out areas will be provided. Furniture, such as benches and lighting echoing the overall landscape theme will also be installed at appropriate locations.

 

Based on the conceptual design and latest available information, no existing trees will be felled due to the proposed works.

 

The construction of promenade with public landing facility and the carp-shaped platform will possibly disturb a small area of the semi-disturbed natural sandy and rocky coastline and turn them into artificial structure.

 

The potential negligible impact posed by the dredging works during the construction and operation phases to the CPA can be mitigated by deploying appropriate mitigation measures which include establishment of a buffer zone, deployment of silt curtains and close supervision of the works. Taking into account the minor seawall restoration works by others, it is considered that the works will pose small unmitigated impact on LCA2 during operation phase.

 

Hoardings will be erected on the periphery of construction sites and access to parts of the LCA will be restricted during construction phase.

Small

Small

LCA 3

Lei Yue Mun Point Bay LCA

Not Affected

Not Affected

Not Affected

Not Affected

LCA 4

Yau Tong Industrial Urban LCA

Not Affected

Not Affected

Not Affected

Not Affected

LCA 5

Lei Yue Mun Inshore Waters LCA

·   Dredging during construction and operation phases (e.g. maintenance dredging at an interval of about every 5 to 10 years)

·   Construction of proposed breakwater (~175m2) 

 

The water quality of LCA 5 is expected to receive localised impact during dredging and construction works. However, this impact is considered as transient in nature.  The magnitude of change is considered negligible.  During operation, maintenance dredging would be required at an interval of about every 5 to 10 years.  The magnitude of impact would be same as the capital dredging. 

 

A proposed permanent small-sized protrusion of breakwater from the existing coastline will be built, so as to create calmer conditions for berthing of vessels at the public landing facility during the operation phase.

This will result in 175 m2 (0.04%) of the LCA being affected.

 

While the character of LCA 5 should remain the same, it is anticipated that the unmitigated impact on LCA 5 will be negligible.

Negligible

Negligible

LCA 6

Shaukeiwan Miscellaneous Urban Fringe LCA

Not Affected

Not Affected

Not Affected

Not Affected

LCA 7

Shaukeiwan Typhoon Shelter LCA

Not Affected

Not Affected

Not Affected

Not Affected


 

11.6.3           Significance of Unmitigated Landscape Impacts

11.6.3.1    The significance of landscape impacts, before implementation of mitigation measures, in the construction and operation phases are assessed and presented in Table 11.12.

11.7             Visual Impact Assessment

11.7.1           Sources of Visual Impacts

11.7.1.1    The source(s) of visual impacts in the construction phase would include: 

·         Construction of a promenade with a public landing facility; including portions of the Project Area will be temporarily fenced off with hoardings. Within the construction sites, there may be temporary site office, ancillary facilities and stockpiles. The access of the general public to parts/all of the Project Area may also be restricted;

·         Construction of a breakwater;

·         Dredging of seabed to provide sufficient water depth for navigation of vessels;

·         Improvement and beautification works for the promenade, five existing lookout points and an existing viewing platform to improve their visual appearance;

·         Construction of a carp-shaped platform and a pavilion with children play area; and

·         Streetscape improvement works. 

11.7.1.2    The source(s) of visual impacts in the operation phase would include: 

·         Operation of public landing facility including a breakwater;

·         Operation of the improved five existing lookout points and an existing viewing platform; 

·         Operation of a carp-shaped platform and a pavilion with children play area; and

·         Operation of the beautified waterfront promenade, five existing lookout points and an existing viewing platform; and enhanced streetscape environment. 

11.7.1.3    The locations and development details of permanent aboveground/above-sea-level structures/hardscape features that would cause potential visual impact are summarised in Table 11.8. 

Table 11.8           Locations and Development Details of Permanent Aboveground/Above-sea-level Structures/Hardscape Features

Location

Approximate Structure Height (m) and Top Level (mPD) of Structure/Hardscape Feature [Note]

Approximate Coverage (m) [Note]

Lei Yue Mun Rest Garden (to the North of the proposed carp-shaped viewing platform)

Pavilion

5m above ground (+8.15mPD)

13 x 9.5

Public Landing Facility (with a waterfront promenade)

3.07m above *Mean Sea Level (+4.30 mPD)

137 x 36

Breakwater

2.97m above *Mean Sea Level (+4.20 mPD)

36 x 10

                    Note: Exact levels, heights and dimensions would be subject to detailed design.

*Mean Sea Level (MSL) is 1.23m above Principle Datum (PD), which is the unit used in construction drawings of the Project.  0m MSL is at the same level as +1.23mPD, as explained in LandsD's Explanatory Notes on Geodetic Datums in Hong Kong.

11.7.1.4    As the proposed enhancement works will have no structures with prominent heights (the tallest one being the Pavilion with a height of only 5m) and the appearance, e.g. colours and textures, of all of the proposed works will be compatible with the surroundings with enhanced quality, only beneficial visual impacts are anticipated. 

11.7.2           Magnitude of Visual Impacts

11.7.2.1    The magnitude of changes during the construction and operation phases is assessed based on the viewing distance, the compatibility of the Project with the surrounding landscape, the duration of changes, the scale of development, the reversibility of change, and the potential blockage of view as summarised in Table 11.9. 

11.7.2.2    During the construction phase, parts of the Project Area would become visually relatively unpleasant. Construction sites in which low structures, such as site offices, ancillary facilities and stockpiles, etc. will be present and they may be visible from the rather distant VSRs at high level on Hong Kong Island. However, local residents and villagers in the Lei Yue Mun district will not be able to see the visually negative conditions directly as hoardings will be erected on the sides of the construction sites facing the nearby village type houses and restaurants. Dredging will also take place in the area where the proposed public landing facility is located. It is however anticipated that the adverse impact on this localised stretch of inshore waters would be temporary and reversible. The construction works will last for about four years and the impacts on the VSRs received during the construction phase will not extend to the operation phase. In view of the small scale, localised and temporary nature of the construction works, it is predicted that the magnitude of visual change for the VSRs would be small to negligible.

11.7.2.3    During operation, the compatibility of the Project with the existing surroundings is considered high as the only possible visually noticeable structures/hardscape features are the pavilion, the breakwater and the public landing facility with a waterfront promenade. Among these three landscape structures/hardscape features, the pavilion is the tallest one with an approximate height of 5m (level of roof at +8.15mPD). In addition, trees and lush planting will also be incorporated in the proposed enhancement works to make the Project fit further into the existing local landscape and visual context and that of the foreseeable future, i.e. after the completion of the Post-Typhoon Hato Follow-up Works at Lei Yue Mun. Given the scale of the development and the relatively distant VSRs (except for R-01) in relation to the Project site, the magnitude of the visual change for all VSRs would be small to negligible.


Table 11.9           Magnitude of Visual Impacts during Construction and Operation

VSR ID.

VSR

Source of Visual Impact

Approx. Viewing Distance

(km)

Compatibility of the Project with the Surrounding Landscape

(High/ Medium/ Low)

Duration of Impacts

(Long/ Medium/ Short)

Scale of Development

(Large/ Medium/ Small)

Reversibility of Change

(Yes/ No)

Potential Blockage of View

(Full/ Partial/ Nil)

Magnitude of Change

(Large/ Intermediate/ Small/ Negligible)

Construction

Operation

Construction

Operation

Construction

Operation

Construction

Operation

Construction

Operation

Construction

Operation

Primary VSRs (within a distance of 2 km from the Project Boundary)

R-01

Local Residents and Villagers Living near the Proposed Works

As listed in Para. 11.7.1

0.25km

Medium

High

Medium

Long

Small

Small

Yes

No

Partial

Nil

Small

Small

R-02

Residents in Heng Fa Chuen

As listed in Para. 11.7.1

1km

Medium

High

Medium

Long

Small

Small

Yes

No

Partial

Nil

Small

Small

R-03

Residents Living near Shau Kei Wan Typhoon Shelter

As listed in Para. 11.7.1

1.3km

Medium

High

Medium

Long

Small

Small

Yes

No

Partial

Nil

Small

Small

V-01

Visitors to Hong Kong Museum of Coastal Defence

As listed in Para. 11.7.1

0.63km

Medium

High

Medium

Long

Small

Small

Yes

No

Partial

Nil

Small

Small

Secondary VSRs (beyond a distance of 2 km from the Project Boundary)

R-04

Residents Living near the Coastline of Hung Hom

As listed in Para. 11.7.1

5km

Medium

High

Medium

Long

Small

Small

Yes

No

Nil

Nil

Negligible

Negligible

V-02

Visitors to Kai Tak Runway Park & Cruise Terminal

As listed in Para. 11.7.1

2.87km

Medium

High

Medium

Long

Small

Small

Yes

No

Nil

Nil

Negligible

Negligible


11.7.3           Significance of Unmitigated Visual Impacts

11.7.3.1    The significance of visual impacts, before the implementation of mitigation measures, in the construction phase and operation phase were assessed, in accordance with Table 11.12 of the Report and the findings are presented in Table 11.13.

11.7.4           Recommended Photomontage Viewpoints

11.7.4.1    Computer generated photomontages are used to illustrate the potential landscape and visual impact of the Project.  The following representative viewpoints have been selected for the photomontages: -

·         the selected viewpoints that offer direct visibility to the aboveground/above-sea level structures at the Project site. They are considered major public viewpoints representing key VSRs or VSR groups that would be potentially affected by the proposed works; and

·         the viewpoints that can represent the most influenced scenarios and demonstrate the compatibility of the aboveground/above-sea-level structures/hardscape features with the adjacent visual context and illustrate the visual effect on Day 1 without mitigation measures, Day 1 with mitigation measures (if necessary) and in Year 10 with mitigation measures (if necessary). 

11.7.4.2    Based on the location of the proposed aboveground/above-sea-level structures/hardscape features, viewpoints from the key representative VSRs have been proposed (Figures 11.4.1 and 11.4.2), which include:

·         Viewpoint VP-1 near Ma Pui Tsuen and Lei Yue Mun Tin Hau Temple to illustrate the potential landscape and visual impact caused by the proposed enhancement works.

·         Viewpoint VP-2 in the outdoor area near the Exhibition Gallery of Hong Kong Museum of Coastal Defence to illustrate the potential landscape and visual impact caused by the proposed enhancement works (mainly the portion of the public landing facility); and 

·         Viewpoint VP-3 at the Heng Fa Chuen Promenade to illustrate the potential landscape and visual impact caused by the proposed enhancement works.   

11.7.4.3    Considering the small scale of the development and distance between R-03 and the Project site (about 1.3km according to Table 11.9), the visual impact experienced by this VP should be similar to R-02 (with a distance of 1.0 km from the Project site), even though their representative views may be different; hence no additional VP was identified for preparation of another photomontage to support the assessment in relation to R-03 under Table 11.9.   

11.7.4.4    The computer-generated photomontages from the above-mentioned viewpoints to illustrate the potential landscape and visual impact of the Project are shown in Figures 11.5.1 to 11.5.3.

11.8             Landscape and Visual Mitigation Measures

11.8.1.1    The proposed enhancement works have been designed to increase the long term beneficial landscape and visual changes. Nonetheless, potential adverse impacts on some LRs and LCAs during the construction and operation phases, and adverse visual impacts on VSRs during the construction and operation phases would be unavoidable. Therefore, Landscape and Visual Mitigation Measures during the construction and operation phases are proposed to alleviate the potential adverse impacts.

11.8.1.2    These landscape and visual mitigation measures recommended for the construction and operation phases, with indications of the corresponding Funding, Implementation, and Maintenance and Management Agencies, are listed in Table 11.10 and Table 11.11, and illustrated in Figures 11.6 and 11.6.1 to 11.6.3.

Table 11.10    Landscape and Visual Mitigation Measures for Construction Phase

ID No.

Landscape and Visual Mitigation Measures

Funding Agency

Implementation Agency

Maintenance/ Management Agency

CM1

(L)

Preservation of Existing Trees and Other Vegetation

All the existing Trees to be retained and not to be affected by the Project should be carefully protected during the construction phase in accordance with DEVB TCW No. 7/2015 titled “Tree Preservation” and the latest “Guidelines on Tree Preservation during Development” issued by GLTM Section of DEVB, including provision of Tree Protection Zones (TPZs). Any existing vegetation in landscaped areas and natural terrain not to be affected by the Project should also be carefully preserved. Therefore, these existing landscape elements can maintain their qualities throughout the construction phase.

ArchSD/
CEDD

ArchSD/
CEDD

ArchSD/
CEDD

CM4

(V)

Control of Night-time Lighting Glare

Lighting for the construction works at night, if any, should be carefully controlled to prevent light overspill to the nearby VSRs and into the sky.

ArchSD/
CEDD

ArchSD/
CEDD

ArchSD/
CEDD

CM5
(L) (V)

Erection of Decorative Screen Hoardings

Decorative Hoardings, with designs and forms compatible with the surrounding settings, should be erected during the construction phase to minimise the potential landscape and visual impacts from the construction works and activities, e.g. avoiding unintended destruction of existing trees and other landscape elements, and reducing visual bulkiness of the screen hoardings, etc.

ArchSD/
CEDD

ArchSD/
CEDD

ArchSD/
CEDD

CM6
(L) (V)

Management of Construction Activities and Facilities

The layout and arrangement of construction site facilities which include site office and temporary storage area should be properly managed and construction activities at the site should be carefully supervised and controlled to minimise potential adverse landscape and visual impacts. 

ArchSD/
CEDD

ArchSD/
CEDD

ArchSD/
CEDD

CM7
(L)

Provision of Buffer Zone between Dredging Area and CPA

A buffer zone with a minimum distance of about 10m will be provided between the CPA and the boundary of dredging works to minimise the potential impact on the CPA arising from the dredging activities.

CEDD

CEDD

ArchSD/
CEDD

CM8

(L)

Deployment of Silt Curtains

Silt curtains will be deployed to enclose the dredging works to minimise the potential water quality impact (e.g. dispersion of suspended sediments) on the CPA (details are presented in Section 5.8).

CEDD

CEDD

CEDD

CM9

(L)

Close Supervision of Dredging Works

The dredging works will be closely supervised by site staff to ensure no unauthorised works will be carried out within the CPA.

CEDD

CEDD

CEDD

Note: (L) denotes a landscape mitigation measure whereas (V) denotes a visual mitigation measure.

Table 11.11    Landscape and Visual Mitigation Measures for Operation Phase

ID No.

Landscape Mitigation Measures

Funding Agency

Implementation Agency

Maintenance/

Management Agency

OM1

(L)

Provision of Buffer Zone between Dredging Area and CPA during Maintenance Dredging

A buffer zone with a minimum distance of about 10m will be provided between the CPA and the boundary of maintenance dredging works to minimise the potential impact on the CPA arising from the dredging activities.


CEDD

 

CEDD

 

CEDD

OM2

(L)

Deployment of Silt Curtains during Maintenance Dredging

Silt curtains will be deployed to enclose the maintenance dredging works to minimise the potential water quality impact (e.g. dispersion of suspended sediments) on the CPA (details are presented in Section 5.8).


CEDD


CEDD


CEDD

OM3

(L)

Close Supervision of Maintenance Dredging Works

The maintenance dredging works will be closely supervised by site staff to ensure no unauthorised works will be carried out within the CPA.

CEDD

CEDD

CEDD

OM4

(L) (V)

Aesthetically Pleasing Design of Aboveground/Above-sea-level Structures/Hardscape Features

The Aboveground/Above-sea-level Structures/Hardscape Features of the Project, including the pavilion, the breakwater, and the promenade with public landing facility, etc. and elements of streetscape in regard to the layouts, forms, materials and finishes shall be sensitively designed, so that the structures/hardscape features can blend with the surrounding landscape and visual context, e.g. the pavilion should be visually permeable and its appearance and orientation should take into account the overall landscape master plan of the proposed enhancement works. The proposed colour and texture for the proposed breakwater and lookout points shall be visually compatible with the adjacent landscape elements. 

ArchSD/CEDD

ArchSD/CEDD

*Various Government Departments 

OM5

(L) (V)

Provision of Buffer Planting

Buffer Planting shall be provided at the perimeter of potential intrusive aboveground structures, so as to visually screen and soften their hard edges and surfaces and create a more harmonious landscape.

ArchSD/CEDD

ArchSD/CEDD

LCSD

OM6

(L) (V)

Provision of Amenity Planting

Opportunity of Amenity Planting shall be maximised within the Project, so that the proposed works will be more compatible and harmonious with the surroundings landscape- and visual-wise.

ArchSD/CEDD

ArchSD/CEDD

LCSD

OM7
(L) (V)

Reinstatement of Temporarily Disturbed Landscape Areas

During the Operation Phase, all disturbed hard and soft landscape areas within temporary works sites and works areas caused by the proposed works shall have already been reinstated equal or better quality to the satisfaction of the relevant Government Departments, so as to maintain or improve the existing landscape and visual quality.

ArchSD/CEDD

ArchSD/CEDD

*Various Government Departments 

Note: (L) denotes a landscape mitigation measure whereas (V) denotes a visual mitigation measure.

* Remarks: The arrangement of maintenance/management agencies are subject to agreement with corresponding departments/parties in accordance with DEVB TCW No. 6/2015.  The identified key potential management and maintenance departments are: CEDD (e.g. breakwater); LCSD (e.g. open spaces, promenade, carp-shaped platform, looking out points and viewing platforms and soft landscape, etc.); ArchSD (e.g. ground finishes, hard landscape, above-deck architectural features, sub-substructures of carp-shaped platform and the promenade extension and Kwun Tong District Office (e.g. hard landscape along existing footpath), etc.

The Contractor shall be responsible for the maintenance of the soft landscape works during the establishment period at operation phase. ArchSD/ CEDD shall then be responsible for the management and maintenance of the soft landscape work until such time those are successfully handed over to the designated agent/department.

11.8.1.3    The mitigation measures for the construction and operation phase listed above should be implemented as early as possible to minimise the landscape and visual impacts during the construction stage. Photomontages of the Project built with and without mitigation measures on Day 1 and after 10 years are illustrated in Figures 11.5.1 to 11.5.3.

11.9             Evaluation of Residual Impacts

11.9.1           Significance of Residual Landscape Impacts

11.9.1.1    The potential significance of the landscape impacts during the construction and operation phases before and after mitigation is presented in Table 11.12. The assessment followed the proposed methodology described in Section 11.3.1 and assumed that the appropriate mitigation measures identified in Table 11.10 and Table 11.11 would be implemented. Artist’s impression of the proposed works is provided in Appendix 11.2.

11.9.1.2    The proposed enhancement works include the construction of a public landing facility, formation of a new breakwater, construction of a carp-shaped viewing platform, formation of a promenade, revamping of the existing lookout points, improvement of the existing paving, installation of outdoor furniture, and provision of lush greening. Having also taken the proposed Post-Typhoon Hato Follow-up Works at Lei Yue Mun into account as cumulative impacts, it is anticipated with the implementation of the recommended mitigation measures that the proposed enhancement works would have slightly beneficial residual impacts, on the affected portions of LR 1, LR 4, LR 7, LR11, LCA 2 and LCA 5 during operation phase. These works also include the proposed softscape enhancement that is expected to provide its full beneficial effect with mitigation measures after ten years of its completion.

11.9.1.3    The potential landscape impacts caused by the Project during its construction phase would be moderate significance on LR1 and LR7. With the implementation of proposed mitigation measures, the residual impact on these two LRs would be insubstantial.  


Table 11.12      Significance of Landscape Impacts during Construction and Operation Phases

ID  No.

Landscape Resource / Character Areas

Sensitivity

(Low, Medium, High)

Magnitude of Change (Negligible, Small, Intermediate, Large, Not Affected

Impact Significance before Mitigation (Insubstantial, Slight, Moderate, Substantial, Not Affected)

Recommended Mitigation Measures

Significance of Residual Impact

(Insubstantial, Slight, Moderate, Substantial, Not Affected

Construction

Operation

Construction

Operation

Construction

Operation

Construction

Operation

Day 1

Year 10

Landscape Resources

LR 1

Recreation Ground

Medium

Medium

Intermediate

Intermediate

Moderate

Moderate

CM1, CM5, CM6, OM4, OM5, OM6, OM7

Insubstantial

Slightly Beneficial

Slightly Beneficial

LR 2

Seafront Promenade & Piers

High

High

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

LR 3

Industrial Development

Low

Low

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

LR 4

Coastal Village

Medium

Medium

Small

Small

Slight

Slight

CM1, CM5, CM6, OM4, OM5, OM6, OM7

Insubstantial

Slightly Beneficial

Slightly Beneficial

LR 5

Residential Development

Medium

Medium

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

LR 6

Historic Site

High

High

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

LR 7

Rocky Shore and Oyster Shell Beach

High

High

Small

Small

Moderate

Moderate

CM1, CM5, CM6, CM7, CM8, CM9, OM1, OM2, OM3, OM4, OM5, OM6, OM7

Insubstantial

Slightly Beneficial

Slightly Beneficial

LR 8

Semi-natural Woodland

Low

Low

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

LR 9

Semi-natural Uphill Woodland & Other Vegetation

Medium

Medium

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

LR 10

Bay Area

Medium

Medium

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

LR 11

Inshore Waters

Medium

Medium

Negligible

Negligible

Insubstantial

Insubstantial

CM1, CM5, CM6, CM7, CM8, CM9, OM1, OM2, OM3, OM4

Insubstantial

Slightly Beneficial

Slightly Beneficial

LR 12

Typhoon Shelter

Medium

Medium

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

Landscape Character Area

LCA 1

Yau Tong Residential Urban Landscape LCA

Medium

Medium

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not affected

Not Affected

Not Affected

LCA 2

Lei Yue Mun Coastline Upland & Hillside LCA

Medium

Medium

Small

Small

Slight

Slight

CM1, CM5, CM6, CM7, CM8, CM9, OM1, OM2, OM3, OM4, OM5, OM6, OM7

Insubstantial

Slightly Beneficial

Slightly Beneficial

LCA 3

Lei Yue Mun Point Bay LCA

Medium

Medium

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

LCA 4

Yau Tong Industrial Urban LCA

Low

Low

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

LCA 5

Lei Yue Mun Inshore Waters LCA

Medium

Medium

Negligible

Negligible

Insubstantial

Insubstantial

CM1, CM5, CM6, CM7, CM8, CM9, OM1, OM2, OM3, OM4

Insubstantial

Slightly Beneficial

Slightly Beneficial

LCA 6

Shaukeiwan Miscellaneous Urban Fringe LCA

Medium

Medium

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

LCA 7

Shaukeiwan Typhoon Shelter LCA

Medium

Medium

Not Affected

Not Affected

Not Affected

Not Affected

Not Required

Not Affected

Not Affected

Not Affected

 


11.9.2           Significance of Residual Visual Impacts

11.9.2.1    The potential significance of the visual impacts during the construction and operation phases, before and after mitigation (if necessary), is presented in Table 11.13.  The assessment follows the proposed methodology described in Section 11.3.2 and assume that the appropriate mitigation measures proposed in Table 11.10 and Table 11.11 would be implemented, and that the proposed enhancement works will bring their full beneficial impacts with the implementation of the recommended mitigation measures after ten years of their completion.

11.9.2.2    During construction phase, it is predicted that there would be sight to insubstantial residual visual impacts with the implementation of the recommended mitigation measures. 

11.9.2.3    During operation phase, with the implementation of the recommended mitigation measures, the residual visual impact of the Project would be slightly beneficial as summarised below. Photomontages of the views from representative VSRs to illustrate the potential beneficial visual impacts with mitigation measures caused by the Project during its operation are shown in Figures 11.5.1 to 11.5.3.   

·         Viewpoint VP-1 located at the seafront to the west of Lei Yue Mun Tin Hau Temple and Ma Pui Tsuen is an at-grade view approximately 0.25km away from the major works of the proposed public landing facility, representing the view of VSR R-01 who are the local residents and villagers. This viewpoint is selected because of its shared popularity among this group of people. The revamped Lookout Points 4 & 5 with better visual quality and part of the breakwater that stands only a few metres above sea level will be slightly visible from this angle. Apart from the proposed enhancement works, the proposed works to restore the seawall after Typhoon Hato which includes the construction of concrete parapet wall and raising the existing rock armour seawall adjacent to sections of the seafront footpaths will also be barely noticeable. Altogether, the proposed enhancement works will be compatible with its existing surroundings and will bring an overall slightly beneficial visual impact after mitigation to VSR R-01.

·         Viewpoint VP-2 is located at about 0.63km to the south of the proposed works, which is in an outdoor space adjacent to the Exhibition Gallery of Hong Kong Museum of Coastal Defence, and looks towards the southern side of major proposed works from a higher altitude. VP-2 represents the view of VSR V-01, namely the visitors to the Museum. It is predicted that trees of mature size can be seen from that angle but the pavilion will be screened by the trees, and therefore be barely visible. The proposed enhanced works will therefore be visually compatible with its existing surroundings and they will have slightly beneficial visual impacts after mitigation on VSR V-01.

·         Viewpoint VP-3 is located at the Heng Fa Chuen Promenade on Hong Kong Island facing the southeastern side of the proposed public landing facility. It provides an at-grade view approximately 1 km away from the main proposed works, representing the view of VSR R-02, namely the residents of Heng Fa Chuen. It is anticipated that fully established trees can be seen from that angle but the pavilion will again be screened by the trees, and therefore be barely visible. All in all, the proposed work will be highly compatible with the existing surroundings visually and they will bring slightly beneficial visual impacts after mitigation to VSR R-02.

Table 11.13    Significance of Visual Impacts during Construction and Operation Phases

ID. No.

Key VSRs

Receptor Sensitivity

(Low, Medium, High)

Magnitude of Change

(Negligible, Small, Intermediate, Large)

Impact Significance Threshold BEFORE Mitigation              (Insubstantial, Slight, Moderate, Substantial)

Recommended Mitigation Measures

Residual Impact Significance Threshold   AFTER Mitigation                            (Insubstantial, Slight, Moderate, Substantial, Nil)

Construction

Operation

Construction

Operation

Construction

Operation

Construction

Operation

DAY 1

YEAR 10

Primary VSRs (within a distance of 2 km from the Project Boundary)

R-01

Local Residents and Villagers Living near the Proposed Works

Medium

Medium

Small

small

Slight

Slight

CM4, CM5, CM6,  OM4, OM5, OM6, OM7

Slight

Slightly Beneficial

Slightly Beneficial

R-02

Residents in Heng Fa Chuen

Medium

Medium

Small

Small

Slight

Slight

CM4, CM5, CM6,  OM4, OM5, OM6, OM7

Insubstantial

Slightly Beneficial

Slightly Beneficial

R-03

Residents Living near Shau Kei Wan Typhoon Shelter

Medium

Medium

Small

Small

Slight

Slight

CM4, CM5, CM6,  OM4, OM5, OM6, OM7

Slight

Slightly Beneficial

Slightly Beneficial

V-01

Visitors to Hong Kong Museum of Coastal Defence

Low

Low

Small

Small

Slight

Slight

CM4, CM5, CM6,  OM4, OM5, OM6, OM7

Insubstantial

Slightly Beneficial

Slightly Beneficial

Secondary VSRs (beyond a distance of 2 km from the Project Boundary)

R-04

Residents Living near the Coastline of Hung Hom

Low

Low

Negligible

Negligible

Insubstantial

Insubstantial

CM4, CM5, CM6,  OM4, OM5, OM6, OM7

Insubstantial

Slightly Beneficial

Slightly Beneficial

V-02

Visitors to Kai Tak Runway Park & Cruise Terminal

Low

Low

Negligible

Negligible

Insubstantial

Insubstantial

CM4, CM5, CM6,  OM4, OM5, OM6, OM7

Insubstantial

Slightly Beneficial

Slightly Beneficial

 


11.10        Environmental Monitoring and Audit

11.10.1.1The detailed landscape and engineering design of the Project should incorporate the landscape and visual mitigation measures described in Section 11.8.

11.10.1.2A baseline review should be undertaken at the commencement of the construction contracts to update the status of LRs, LCAs and VSRs.

11.10.1.3The implementation of the recommended mitigation measures should be regularly audited throughout the construction phase. Details of the environmental monitoring and audit (EM&A) requirements are provided in the separate EM&A Manual.

11.11        Conclusion

11.11.1       Construction Phase

11.11.1.1During the construction phase, the key sources of landscape and visual impacts would include construction of the public landing facility, dredging works, enhancement works of sitting out area and footpath and foundation work at lookout points. No existing trees within the project boundary will be felled because of the proposed works.  The work areas for the Project are generally at ground level. The visual experience of the VSRs would not be significantly changed. With the implementation of the recommended mitigation measures, it is considered that the residual landscape and visual impact is acceptable. 

11.11.2       Operation Phase

11.11.2.1During the operation phase, the aboveground/above-sea-level structures/hardscape features such as the pavilion, the breakwater and the promenade with public landing facility, and maintenance dredging works would be the key sources of landscape and visual impacts. Nevertheless, the height of all the proposed aboveground/above-sea-level structures/hardscape features would not be prominent (not higher than 5m) and the maintenance dredging works would be of limited scale and infrequent (interval of about every 5 to 10 years). With the implementation of the recommended mitigation measures, the overall residual landscape and visual impacts of the Project would be beneficial.