{"id":96925,"date":"2025-11-14T14:48:35","date_gmt":"2025-11-14T13:48:35","guid":{"rendered":"https:\/\/www.maccaferri.com\/us\/success-stories\/sbcpw-east-mountain-drive-rockfall-attenuator-system-project\/"},"modified":"2026-01-30T14:42:04","modified_gmt":"2026-01-30T13:42:04","slug":"sbcpw-east-mountain-drive-rockfall-attenuator-system-project","status":"publish","type":"stories","link":"https:\/\/www.maccaferri.com\/us\/success-stories\/sbcpw-east-mountain-drive-rockfall-attenuator-system-project\/","title":{"rendered":"SBCPW – EAST MOUNTAIN DRIVE ROCKFALL ATTENUATOR SYSTEM PROJECT"},"content":{"rendered":"
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    SBCPW – EAST MOUNTAIN DRIVE ROCKFALL ATTENUATOR SYSTEM PROJECT_0<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    SBCPW – EAST MOUNTAIN DRIVE ROCKFALL ATTENUATOR SYSTEM PROJECT_1<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    SBCPW – EAST MOUNTAIN DRIVE ROCKFALL ATTENUATOR SYSTEM PROJECT_2<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    SBCPW – EAST MOUNTAIN DRIVE ROCKFALL ATTENUATOR SYSTEM PROJECT_3<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    SBCPW – EAST MOUNTAIN DRIVE ROCKFALL ATTENUATOR SYSTEM PROJECT_4<\/p>\n \n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <\/div>\n <\/div>

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    Challenge<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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    In early January 2018, a series of mudflows occurred in Southern California, particularly affecting Ventura and Santa Barbara Counties. The 2017 California wildfire season was at the time the most destructive in California’s history, with approximately 1.3 million acres burned. Of these, 281,893 acres were burned during the Thomas Fire, the largest in the state’s history, which devastated large amounts of vegetation whose roots had helped stabilize topsoil in hillsides and other vulnerable areas. In the meanwhile, a strong low-pressure system and cold front developed off the coast and moved onto the mainland, bringing heavy rain and prompting mandatory evacuations over potential mudslides in areas affected by wildfires. The storm intensified on the following days, with at least four inches of rain falling over the two-day period, causing mud and boulders from the upper mountains to flow down creeks and valleys into surrounding towns. The conflagrations devastated steep slopes, which caused loss of vegetation and destabilization of the soil and greatly facilitated subsequent mudflows and geo-hazard exposition.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n

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    Solution<\/h3>\n <\/div>\n <\/div>\n <\/div>\n <\/div> \n <\/div>\n
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    Between the areas affected by the event, the tract approximately 0.7 miles northwest of Ashley Road, near the Santa Barbara city was one of the major geological concerns, having received rocks deposition from the mudflow and exposition of unstable boulders along the surface of slopes due to the storm. For this location, the SBCPW designed a rockfall attenuator consisting in a cable-net primary reinforcement with a secondary layer of DTWM netting meant to catch smaller debris, both tan, black or brown colored to better penetrate the surrounding environment. At the base of the system, a rockfall barrier per CalTrans standards was specified as an additional safety measure and as a debris containment structure. Typically rockfall attenuators are constructed by placing each individual netting layer and connecting them on-site, one-by-one. In this instance, black polymer coated composite panels were manufactured and preattached in the factory creating one single product, resulting in a significant increase of the installation rate and therefore, in money-saving.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>

    Used Products<\/h2>
    \"Netting\"<\/div>
    Netting<\/h6>Maccaferri DT Mesh is a core component of our MacRO rockfall mitigation and natural hazard protection application area. It is one out of a range of me<\/span>View\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div>
    \"Panels\"<\/div>
    Panels<\/h6>Maccaferri HEA Panels (High Energy Absorption) are the stiffest products within our Mac.RO(TM) Systems mesh range, offering extreme strength at low st<\/span>View\n \n <\/a>
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    \"Rockfall<\/div>
    Rockfall Barriers<\/h6>Maccaferri Rockfall Barriers (or Catch Fences) are designed to catch falling rocks and boulders before they fall onto infrastructure, mine haul-r<\/span>View\n \n <\/a>
    star<\/span><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    Between the areas affected by the event, the tract approximately 0.7 miles northwest of Ashley Road, near the Santa Barbara city was one of the major <\/p>\n","protected":false},"featured_media":8353,"parent":0,"menu_order":0,"template":"","stories-category":[],"stories-tag":[],"class_list":["post-96925","stories","type-stories","status-publish","has-post-thumbnail","hentry"],"acf":{"products":[96424,96436,96358,96358],"applications":[89750,89750],"solutions":[89795],"sectors":[89687]},"yoast_head":"\nSBCPW - EAST MOUNTAIN DRIVE ROCKFALL ATTENUATOR SYSTEM PROJECT - Maccaferri USA<\/title>\n<meta name=\"description\" content=\"Explore our Success Stories: SBCPW - EAST MOUNTAIN DRIVE ROCKFALL ATTENUATOR SYSTEM PROJECT. 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