{"id":282,"date":"2023-11-02T10:46:34","date_gmt":"2023-11-02T10:46:34","guid":{"rendered":"https:\/\/www.geostabilization.com\/ca\/?page_id=282"},"modified":"2026-01-21T22:17:07","modified_gmt":"2026-01-21T22:17:07","slug":"horizontal-drains","status":"publish","type":"page","link":"https:\/\/www.geostabilization.com\/ca\/techniques\/mitigation-solutions\/horizontal-drains\/","title":{"rendered":"Horizontal Drains"},"content":{"rendered":"\n\n
\n
\n
\n

Engineered Drainage Systems<\/strong><\/h4>\n

Horizontal Drains<\/strong><\/h2>\n

GeoStabilization International designs and installs horizontal drains to control groundwater, reduce pore pressures, and improve slope stability across Canada. Groundwater is often a critical factor in slope failures, landslides<\/a>, and instability in mining<\/a> and infrastructure environments. By lowering subsurface water levels, horizontal drains enhance long-term performance and support safer working conditions in challenging terrain such as mountainous corridors in British Columbia, saturated slopes in Alberta, and steep infrastructure cuts throughout Ontario.<\/span><\/p>\n

Contact Us<\/a><\/p>\n <\/div>\n <\/div>\n

\n \"Multiple <\/div>\n <\/section>\n\n\n\n\n\n
\n
\n
\n
\n
\n \"Horizontal <\/div>\n <\/div>\n
\n
\n

Engineered Drainage for Slope Stability<\/b><\/h2>\n

Groundwater is a driving force behind many geotechnical failures. Elevated pore pressures weaken soil and rock masses, reduce shear strength, and trigger instability. Horizontal drains address this challenge by providing a controlled pathway for water to exit the slope, reducing internal pressure and restoring stability.<\/span><\/p>\n

GSI\u2019s horizontal drain systems are engineered for environments where groundwater management is essential, including steep slopes, landslide-prone corridors, open-pit mines, and infrastructure assets affected by persistent seepage.<\/span><\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section>\n\n\n\n\n

\n\t
\n\t\t
\n\t\t\t
\n\t\t\t\t
\n\t\t\t\t\t

How Horizontal Drains Work<\/b><\/h2>\n

Horizontal drains consist of perforated pipes installed at a shallow or deep angle within a slope or rock mass. Once drilled and set in place, they intercept groundwater and convey it safely to daylight or into designated drainage systems. Over time, these drains lower the water table in targeted zones, improving the stability of both soil and rock formations. <\/span>Drains may be installed as part of a standalone groundwater solution or integrated into broader geohazard mitigation systems, including soil nailing<\/a>, retaining structures<\/a>, or slope reinforcement.<\/span><\/p>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/section>\n\n\n\n\n\n

\n
\n
\n

Ideal Applications for Horizontal Drains<\/b><\/h2>\n

Horizontal drains are effective in a wide range of Canadian terrain and project types. They are commonly used for:<\/span><\/p>\n