{"id":1044,"date":"2024-09-03T12:33:29","date_gmt":"2024-09-03T11:33:29","guid":{"rendered":"https:\/\/www.murphygroup.com\/?post_type=project&#038;p=1044"},"modified":"2026-04-21T15:54:09","modified_gmt":"2026-04-21T14:54:09","slug":"arklow-water-supply-scheme","status":"publish","type":"project","link":"https:\/\/www.murphygroup.com\/staging\/project\/arklow-water-supply-scheme\/","title":{"rendered":"Arklow Water Supply Scheme"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Project Outline<\/h2>\n\n\n\n<p>Under this design, build and operate (DBO) contract Murphy delivered a new water treatment plant to serve the town of Arklow and its environs. The project entailed delivery of the following:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A new water treatment plant with a production capacity of 6.1MLD over 20 hours.<\/li>\n\n\n\n<li>14 no. raw water abstraction boreholes.<\/li>\n\n\n\n<li>1 no. surface water abstraction point at Goldmines.<\/li>\n\n\n\n<li>Treated water supply pumping station.<\/li>\n\n\n\n<li>Decommissioning and demolition of obsolete infrastructure.<\/li>\n\n\n\n<li>Operation and maintenance of the completed facility for a period of 20 years.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"470\" src=\"https:\/\/www.murphygroup.com\/staging\/wp-content\/uploads\/2024\/09\/resized-arklow-4.webp\" alt=\"The inside of a water treatment plant with metal pipes and machinery\" class=\"wp-image-2289\" style=\"width:673px;height:auto\" srcset=\"https:\/\/www.murphygroup.com\/staging\/wp-content\/uploads\/2024\/09\/resized-arklow-4.webp 860w, https:\/\/www.murphygroup.com\/staging\/wp-content\/uploads\/2024\/09\/resized-arklow-4-300x164.webp 300w, https:\/\/www.murphygroup.com\/staging\/wp-content\/uploads\/2024\/09\/resized-arklow-4-768x420.webp 768w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Key Challenges<\/h2>\n\n\n\n<p>Raw water supply is primarily sourced from boreholes but has the facility to draw up to 40% from the surface water intake at Goldmines depending on conditions.<\/p>\n\n\n\n<p>Our design delivered the flexibility to overcome changes in raw water sources by incorporating parallel treatment streams.<\/p>\n\n\n\n<p>These streams cater for the varying characteristics between surface and borehole water without and ensure output is not disrupted.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Project Delivery &amp; Innovations<\/h2>\n\n\n\n<p>The design-build solution delivered by Murphy included:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>14 no. raw water abstraction boreholes.<\/li>\n\n\n\n<li>1 no. surface water abstraction point at Goldmines.<\/li>\n\n\n\n<li>Chemical storage, dosing and mixing system for coagulation, two-stage flocculation, pH correction, preliminary oxidation of soluble iron and manganese and chlorination.<\/li>\n\n\n\n<li>Dissolved air flotation (DAF) on stream for surface water supply.<\/li>\n\n\n\n<li>Rapid gravity sand filters.<\/li>\n\n\n\n<li>High lift pumps and surge protection for treated water feed to Lamberton Reservoir.<\/li>\n\n\n\n<li>UV disinfection of treated water for deactivation of cryptosporidium.<\/li>\n\n\n\n<li>Water quality monitoring on raw and treated water.<\/li>\n\n\n\n<li>Sludge thickening and dewatering facilities.<\/li>\n\n\n\n<li>EICA installation including SCADA system and communications links to allow abstraction points.<\/li>\n\n\n\n<li>Decommissioning and demolition of obsolete infrastructure.<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<p>Murphy will operate and maintain this facility on behalf of Irish Water until 2035.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"860\" height=\"470\" src=\"https:\/\/www.murphygroup.com\/staging\/wp-content\/uploads\/2024\/09\/resized-arklow-2.webp\" alt=\"A water treatment plant next to a road and surrounded by fields.\" class=\"wp-image-2293\" style=\"width:626px;height:auto\" srcset=\"https:\/\/www.murphygroup.com\/staging\/wp-content\/uploads\/2024\/09\/resized-arklow-2.webp 860w, https:\/\/www.murphygroup.com\/staging\/wp-content\/uploads\/2024\/09\/resized-arklow-2-300x164.webp 300w, https:\/\/www.murphygroup.com\/staging\/wp-content\/uploads\/2024\/09\/resized-arklow-2-768x420.webp 768w\" sizes=\"auto, (max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Delivering flexibility to overcome changes in raw water sources <\/p>\n","protected":false},"featured_media":2045,"template":"","meta":{"_acf_changed":true},"project-customer":[21],"class_list":["post-1044","project","type-project","status-publish","has-post-thumbnail","hentry","project-customer-irish-water"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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