This Environmental Product Declaration covers the precast concrete shallow gutters product ranges manufactured by LEIER ROM S.R.L. exclusively within its designated production plants. The Leier concrete drainage line is defined by a dual-layer structure. As the concrete mix, manufacturing methodology, and essential raw materials are simmillar across the production plants—the environmental impact results are presented for 1 ton (1,000 kg) of finished product. Additionally, the Annex to this EPD presents the specific GWP (Global Warming Potential) values obtained individually for each of the manufacturing plants. Technical CharacteristicsTechnical CharacteristicValue / PropertyReference StandardPrecast Concrete Channels-EN 1433:2003EN 1433:2003/A1:2006Reaction to FireClass A1EN 1433:2003EN 1433:2003/A1:2006Load-bearing CapacityClass A15 - B125(depending on installation layout)EN 1433:2003EN 1433:2003/A1:2006Water TightnessNo leakageEN 1433:2003EN 1433:2003/A1:2006Weather Resistance (Water Absorption)Class 2 W(Maximum 6%)EN 1433:2003EN 1433:2003/A1:2006Resistance to Freeze-Thaw with De-icing SaltsClass 3 D(≤ 1.0 kg/m²)EN 1433:2003EN 1433:2003/A1:2006 Construction and Materials Leier precast concrete shallow gutters are engineered using specialized, optimized concrete recipes to establish a highly durable and stable configuration: - concrete load-bearing core: formulated from optimized high-strength concrete to ensure high structural stability and resistance against loads, mechanical stress and dynamic vehicular traffic forces. - surface wear layer / finish: formulated utilizing high-purity aggregates and sand to guarantee superior abrasion resistance, optimized water flow kinetics and long-term protection against severe environmental conditions. Manufacturing and Sustainability The production process takes place across Leier's indicated concrete manufacturing plants in Romania, situated in Câțcău village (Cluj county) and Iași (Iași county), operating under standardized industrial protocols. The manufacturing process relies on natural raw materials, establishing a clean, mineral-based ecological profile. Product Benefits Optimized water management: the structural design of the shallow gutters allows stormwater to be naturally collected and efficiently guided toward the regional discharge networks. This surface water management avoids localized ponding, mitigates erosion or flooding risks on adjacent road surfaces, and preserves the structural integrity of the surrounding infrastructure. Microclimate & chemical preservation: the shallow drainage elements resist severe freeze-thaw cycles and chemical de-icing agents, maintaining high hydraulic performance without degrading the local soil or groundwater environment. Longevity & Circular Economy: the inherent structural durability of the concrete layout provides high resistance to mechanical wear, frost, and hydrocarbon actions. In the event of underground infrastructure, utility interventions, or landscape redesigns, the precast gutter units can be easily dismantled and completely reinstalled without damage, avoiding material disposal and eliminating the need for replacement resources. Precision & Execution Efficiency: the elements are manufactured to precise dimensional tolerances, ensuring quick installation, structural uniformity, seamless surface alignment, and easy coupling with adjacent paving systems at any time. Environmental Transparency: by providing certified data calculated per tonne for the products manufactured at these locations, Leier enables architects, civil engineers, developers, and green building assessors to accurately compute the environmental footprint of customized infrastructure layouts to fulfill LEED, BREEAM, or other international certification requirements. Secure Delivery: finished precast concrete shallow gutters are delivered securely on pallets, optimized for transport efficiency, safe handling, and vehicular loading from the regional production plants.