In 2025, a major highway expansion project in Indonesia was completed, leaving approximately 120,000 square meters of steep, rocky slopes exposed along the route. The region has a tropical rainforest climate characterized by high temperatures and heavy rainfall throughout the year, with concentrated and intense precipitation. Traditional manual turf laying is extremely inefficient, with a survival rate of less than 40%, and is highly prone to causing soil erosion. The client required the ecological restoration to be completed within six months, with a vegetation coverage rate of over 85%.
After comparing brands from Europe and the United States, the client purchased our HWHS15190 15,000L large-scale hydroseeder. Equipped with a powerful horizontal-shaft mixing system and an 85-meter high-pressure delivery system, the hydroseeding machine can uniformly spray a mixture of grass seeds, pulp fibers, water-retaining agents, and binders onto steep slopes, meeting the requirements for slope stabilization in tropical, rainy climates.
March 2025: The 15,000L hydroseeder arrived at the local port, and our engineers provided remote training to three local operators to ensure the equipment was adapted to local operating conditions.
March–May 2025: Construction was carried out in three phases, with an average daily coverage of 5,000 square meters. For slopes with gradients of 45°–60°, layered spraying technology was employed to enhance the slurry’s adhesion and address potential erosion issues caused by heavy rainfall.
June 2025: The project entered the maintenance phase. Taking local climate conditions into account, regular watering was conducted to monitor vegetation germination.
Efficiency Improvement: The project was completed in 78 days, compared to the original 6-month schedule, saving 60% in labor costs and significantly shortening the project timeline.
High Survival Rate: A grass seed mix suited to the local climate was selected, achieving full germination within 30 days and 93% coverage within 90 days—far exceeding the client’s requirements.
Strong Erosion Resistance: No significant soil erosion was observed following heavy rains during the rainy season, and the slope demonstrated excellent stability, effectively mitigating geological risks.
Cost Optimization: Total costs were reduced by 35% compared to traditional sod laying, saving the client significant construction expenses.
Project Manager: “Your Hydroseeder is the most reliable and efficient equipment we’ve ever used. It sprays evenly even on steep slopes, and the survival rate far exceeded our expectations. It helped us deliver the project ahead of schedule and earn the client’s approval. We will continue to choose your products for future ecological restoration projects of this kind.”
