Legend Legend Portrane WwTW WwTW Portrane Main Trunk Sewers Andesite, Andesite, tuff, tuff, pebbly mudstone, mudstone, shale shale pebbly 9B Sewer 9C Sewer City Centre Sewer Dodder Valley Sewer From Dun Laoghaire Grand Canal Tunnel Meakstown / Poppintree Sewer North Dublin Drainage Scheme North Fringe Sewer Northern Interceptor Portmarnock / Baldoyle Sewer Shanganagh Trunk Sewer From Sutton Pumping Station Swords WwTW WwTW Swords Calcareous shale, shale, Calcareous limestone limestone conglomerate conglomerate 11 Malahide Malahide WwTW WwTW 00 11 22 33 kilometres kilometres Kilbride PS PS Kilbride Scale: Scale: 1:50,000 1:50,000 at at A1 A1 Argillaceous Argillaceous bioclastic bioclastic limestone, limestone, shale shale Conglomerate, Conglomerate, shale, limestone limestone shale, Pumping Station (Only selceted features shown) Massive Massive unbedded unbedded fine-grained fine-grained limestone limestone Wastewater Treatment Works Calcareous Calcareous shale, shale, limestone limestone conglomerate conglomerate Dark-grey to to black black limestone limestone & & shale shale Dark-grey Argillaceous bioclastic bioclastic Argillaceous limestone, limestone, shale shale Massive unbedded unbedded Massive fine-grained limestone limestone fine-grained Sutton Sutton PS PS Ballymun Ballymun PS PS Leixlip WwTW WwTW Leixlip 50 0 100 Kilometers Fossiliferous Fossiliferous dark-grey dark-grey muddy limestone limestone muddy Main Main Lift Lift PS PS Calcareous shale, shale, Calcareous limestone limestone conglomerate conglomerate Ringsend WwTW WwTW Ringsend Project Greater Dublin Strategic Drainage Study Title Initial Strategy Review Dark-grey to to black black limestone limestone & & shale shale Dark-grey Dun Dun Laoghaire Laoghaire PS PS Bedrock Geology Granite Granite with with microcline phenocrysts phenocrysts microcline Figure Pale grey grey fine fine Pale to coarse-grained coarse-grained granite granite to Calcareousgreywacke greywacke Calcareous siltstone & & shale shale siltstone Issue Details Darkslate-schist, slate-schist, Dark quartzite quartzite & & coticule coticule Coarsegreywacke greywacke Coarse & & shale shale Greywacke siltstone, siltstone, Greywacke slate, quartzite quartzite slate, F3 Drawn: HaukeSteinberg Project No. Checked: Jean Fenwick File Ref. Approved: Ciaran O’Keeffe Granite with with Granite muscovitephenocrysts phenocrysts muscovite Bray // Shanganagh Shanganagh WwTW WwTW Bray 074 512 001 074512001Mi0235D01 Scale: 1 : 50,000 at A1 Drawing No. Date: 18.10.2002 Notes 1. This drawing is the property of M. C. O’Sullivan & Co. Ltd. It is a confidential document and must not be copied, used, or its contents divulged without prior written consent. 2. All levels are referred to Ordnance Datum, Malin Head. 3. NOT TO SCALE, use figured dimensions only, if in doubt ask. 4. Ordnance Survey Ireland Licence No. EN 0005002 Copyright Government of Ireland. 0235 Rev. D01
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