Pocklington Canal Conservaon Management Plan November 2015 Pocklington Canal – Conservation Management Plan ECUS Ltd Report to: Canal & River Trust Report Title: Pocklington Canal – Conservation Management Plan Revision: v1.1 Issue Date: 02/12/15 Report Ref: 5481_PCCMP_v1.1 Reviewed By: James Thomson Heritage Consultant Date: 02/12/15 Approved By: Paul White Heritage Technical Director Date: 02/12/15 Prepared by: ECUS Ltd. Brook Holt 3 Blackburn Road Sheffield S61 2DW 0114 2669292 The report and the site assessments carried out by ECUS on behalf of the client in accordance with the agreed terms of contract and/or written agreement form the agreed Services. The Services were performed by ECUS with the skill and care ordinarily exercised by a reasonable Environmental Consultant at the time the Services were performed. Further, and in particular, the Services were performed by ECUS taking into account the limits of the scope of works required by the client, the time scale involved and the resources, including financial and manpower resources, agreed between ECUS and the client. Other than that expressly contained in the paragraph above, ECUS provides no other representation or warranty whether express or implied, in relation to the services. This report is produced exclusively for the purposes of the client. ECUS is not aware of any interest of or reliance by any party other than the client in or on the services. Unless expressly provided in writing, ECUS does not authorise, consent or condone any party other than the client relying upon the services provided. Any reliance on the services or any part of the services by any party other than the client is made wholly at that party’s own and sole risk and ECUS disclaims any liability to such parties. This report is based on site conditions, regulatory or other legal provisions, technology or economic conditions at the time of the Service provision. These conditions can change with time and reliance on the findings of the Services under changing conditions should be reviewed. ECUS accepts no responsibility for the accuracy of third party data used in this report. i Pocklington Canal – Conservation Management Plan Contents 1. Introduction ..................................................................................................................... 1 1.1 The Pocklington Canal ...................................................................................................... 1 1.2 Production of the Conservation Management Plan ........................................................... 2 Summary of Designations .............................................................................................. 2 1.3 General Scope and Purpose of the Plan ........................................................................... 3 1.4 Previous Studies ............................................................................................................... 4 Cultural Heritage ............................................................................................................ 4 Ecological Surveys ......................................................................................................... 4 1.5 Distances and Directions Referred to in the CMP ............................................................. 5 1.6 Structure of the Conservation Management Plan .............................................................. 5 2. Understanding the Cultural and Natural Heritage of Pocklington Canal .................... 7 2.1 Introduction ....................................................................................................................... 7 2.2 Location, Topography and Geology .................................................................................. 7 2.3 Natural Heritage Context .................................................................................................. 8 2.4 Cultural Heritage Context ................................................................................................ 10 2.5 History of Pocklington Canal ........................................................................................... 11 Early History ................................................................................................................ 11 Inception ...................................................................................................................... 12 Design ......................................................................................................................... 13 Construction................................................................................................................. 17 Operational Life ........................................................................................................... 18 Decline ......................................................................................................................... 22 Restoration and Preservation ....................................................................................... 27 2.6 Built Structures ............................................................................................................... 30 Wharfs ......................................................................................................................... 31 Bridges ........................................................................................................................ 32 Locks ........................................................................................................................... 36 Culverts ....................................................................................................................... 40 Lock House .................................................................................................................. 41 2.7 Current Management Arrangements ............................................................................... 42 Cultural Heritage .......................................................................................................... 42 Natural Heritage ........................................................................................................... 43 2.8 Overview of Current Condition ........................................................................................ 43 Cultural Heritage .......................................................................................................... 43 Natural Heritage ........................................................................................................... 45 2.9 Gaps in Understanding ................................................................................................... 54 Cultural Heritage .......................................................................................................... 54 Natural Heritage ........................................................................................................... 54 3. Statement of Significance ............................................................................................ 56 3.1 Introduction ..................................................................................................................... 56 Levels of Significance .................................................................................................. 57 3.2 Overall Significance ........................................................................................................ 57 3.3 Assessment of Values .................................................................................................... 57 Evidential Value ........................................................................................................... 57 Historical Value ............................................................................................................ 59 Aesthetic Value ............................................................................................................ 60 Ecological Value .......................................................................................................... 61 Communal Value ......................................................................................................... 62 ii Pocklington Canal – Conservation Management Plan 4. Risks and Opportunities .............................................................................................. 65 4.1 Introduction ..................................................................................................................... 65 4.2 Management and Condition ............................................................................................ 65 Ownership ................................................................................................................... 65 Restoration and Repairs .............................................................................................. 65 Structural Deterioration ................................................................................................ 66 Succession of Non-Navigable Lengths ......................................................................... 68 Shading ....................................................................................................................... 68 Water quality ................................................................................................................ 69 Invasive species .........................................................................................................