Volume Two 9. Business 1 Zone dimensions specified for the recession plane in the relevant Urban Residential 1 Zone. 9.2.1.9. At least 50% of the ground floor walls of a building that fronts a public street, public land or public reserve must be glazed. 9.2.1.10. A veranda must: (a) not extend further than 2m from the front face of a building into the street; (b) not extend closer than 0.5m to the street kerb; (c) be self-supporting. 9.2.1.11. A building or structure in the Business 1 Zone in Blenheim must landscape 10% of the site with permanent plantings of grasses (except lawn grasses), shrubs and trees or any combination thereof, unless the land adjoins a Landscape Exclusion Street in Appendix 18. 9.2.1.12. A building or structure from which stormwater will be created must connect to, and dispose of stormwater into, a Council operated stormwater system designed for that purpose if the system is within 30m of the property boundary or 60m of the closest building. 9.2.1.13. A building or structure in which human effluent will be created must connect to, and dispose of the effluent into, a Council operated sewerage system designed for that purpose. 9.2.1.14. A dwelling associated with a permitted activity can be constructed or sited where the siting and construction is designed to reduce the exposure of the occupants to external noise, as follows: (a) a dwelling must be constructed to achieve an indoor design sound level of 53 dBA Lmax in a habitable space based on a designed sound level of 75 dBA Lmax at the boundary of the site or 10m from the dwelling, whichever is the closer to the dwelling. The indoor design level must be achieved with windows and doors open unless adequate alternative ventilation means is provided. 9.2.1.15. A building or structure must not be within a Level 3 Flood Hazard Area. 9.2.2. Noise. 9.2.2.1. An activity must not cause noise that exceeds the following limits at the zone boundary or within the zone: 7.00 am to 10.00 pm 60 dBA L Aeq 10.00 pm to 7.00 am 55 dBA L Aeq 75dBL AFmax 9.2.2.2. An activity must not cause noise that exceeds the following limits at the boundary of, or within, any land zoned Urban Residential 1, Urban Residential 2 (including Greenfield) or Open Space 1: 7.00 am to 10.00 pm 50 dBA L Aeq 10.00 pm to 7.00 am 40 dBA L Aeq 70dBL AFmax 9.2.2.3. Sirens and call out sirens associated with the activities of the New Zealand Fire Service are excluded from having to comply with the noise limits in Standards 9.2.2.1 and 9.2.2.2. 9 – 3