Warrawee Substation - Review of Environmental Factors

Assessment of the environmental impacts and risks3.13.2 Impact assessmentConstructionThere is potential for light spill impacts in the event that night time works are requiredduring the construction phase. Impacts of light spill would be minimised through theimplementation of the control measures in Section 3.13.3. Impacts are further reduceddue to the frequency of night works (generally only required during possessionperiods) being relatively low.OperationThe substation would be unmanned during operation and therefore would have limitedlight on site. Fluorescent lights would be located above exit doors from the buildingand would not generate any significant light spill impacts. Lights would be provided onsite to facilitate maintenance activities; however the use of these lights would beinfrequent. All lighting would be installed to minimise light spill on the surrounding landuses.3.13.3 Recommended control measuresThe following control measures would be implemented to minimise impacts of lightspill:Works would be undertaken during standard daytime construction hours wherepossible to avoid the use of lights.Use of lighting during night-time works would take into consideration the light spillimpacts on surrounding residential dwellings. All lighting for the proposal would bedesigned and installed in accordance with the requirements of AS 1158 RoadLighting and AS 4282 Control of the Obtrusive Effects of Outdoor Lighting tominimise light spill onto adjacent residences, and would include the use of bafflesaround light fixtures where possible. Only those work areas being used would be litat any time.The proposal would be minimise light spill from the site in accordance with relevantcodes and Australian Standards.3.14 Utilities3.14.1 Existing environmentThe site is located within the rail corridor which includes RailCorp owned assets suchas low and high voltage power lines running across the site on poles. Signalling andcommunications cabling is housed in troughs that run along the constructioncompound site and then run to the west of the substation site adjacent to the tracks.A number of overhead utilities are located along Brentwood Avenue. Near the cornerwhere Brentwood Avenue turns north these utilises are located above the roadway.Warrawee Substation Project/Review of Environmental FactorsPage 45 of 64