25. Definitions Volume Two Heavy vehicle has the same meaning as in Section 2 of the Land Transport Act 1998. Height in relation to a building or structure, means the vertical distance between the natural ground level at any point and the highest part of the building or structure immediately above that point as shown in Figure 2 of Appendix 26. Heritage resource means any type of historic heritage place or area. It may include a historic building or item, historic site, a place/area of significance to Maori or heritage landscape. The term may be used to refer to both heritage resources listed in the Marlborough Environment Plan and to those registered by Heritage New Zealand . High rate discharge means a system that delivers a discharge rate of >10 mm/hr on an system instantaneous basis, for example, but not limited to, travelling irrigato rs. High speed ship means a ship which has a registered length exceeding 30m and is capable of a maximum speed, in metres per second (m/s), equal to or exceeding: 3.7 σ 0.1667 where σ = displacement corresponding to the design waterline (M³). High Priority as mapped on the High Priority Waterbodies for Public Access Map. Waterbodies for Public Access Home occupation means any occupation, business, trade, craft or profession, the primary purpose of which is to derive income. Excluded from this definition are any activities involving escort agencies, brothels, massage parlours, homestays, retail sales, panel beating, spray painting, motor vehicle repairs, heavy trade vehicles, fibre-glassing, sheet metal work, wrecking of motor vehicles, bottle and scrap metal storage, rubbish collection service, wrought iron work, fish processing, motor body building and any process that involves continual use of power tools and drilling or hammering or any other activity that would detract from the amenities of the neighbourhood or locality. Homestay means the use of a dwelling to accommodate paying guests. Impermeable material means a material or surface that does not permit liquid substances to or surface pass through. For clarity, impermeable material or surface does not include clay but does include, but is not limited to, concrete and synthetic material or surfa ce. Indigenous forest means an area of naturally occurring woody vegetation that: • has a canopy predominantly formed by trees over 6m high; • has more than 80% closure of the canopy; • comprises plant species indigenous to the Distri ct. Indigenous means naturally occurring vegetation, regardless of height, where vegetation the plant species are indigenous to the District. Industrial or trade has the same meaning as in Section 2 of the Act. premises Industrial process has the same meaning as industrial or trade process as in Section 2 of the Act. 25 – 10