PROJECTS: HYDRO ELECTRIC POWER PLANT

14.5MW Siguil Hydro Power Plant Maasim, Sarangani

Hydroelectric power stands as the second largest renewable energy resource in the Philippines, trailing only behind the abundant geothermal energy. The archipelago is dotted with a myriad of hydropower plants, showcasing both conventional dam structures and innovative run-of-the-river systems. Among these, the 14.5 MW Siguil Hydro Power Plant, a pioneering run-of-the-river facility developed by Alsons Power, commenced operations in 2022. This remarkable plant aims to energize the bustling cities of Mindanao—Sarangani, South Cotabato, and the vibrant General Santos City, proudly known as the hometown of the legendary Senator Manny "Pacman" Pacquiao.

Client: HEDCOR Inc.

Services: Supply of pipes, bends, fittings, and jointing services

Specifications Details
AccountCorporate
Pipe UsedSolid Wall
ApplicationHydro Electric Power Plant
Pipe ID/OD Size2,000mm
Pipe Length18 Kilometers
Specifications Details
Pipe Quantity3000 pcs
Ring StiffnessSN 2
Pressure RatingGravity
LocationMaasim, Siguil, General Santos, Mindanao
Duration2020 – 2023 – Completed

At the heart of the plant, the journey begins at the tunnel portal, where pristine waters from the Siguil River basin in Maasim, Sarangani, rush through to power the facility's robust turbine and generator. This power plant is a pivotal pillar for Mindanao, being the primary private sector power generator in the region. As the future unfolds, Alsons Power has ambitious plans to expand its reach, intending to develop at least seven additional run-of-the-river hydropower facilities in diverse locations across Mindanao and the sun-kissed Negros Occidental in the Visayas.

The engineering marvel of the 18 km headrace pipeline has transitioned from its original design of glass-fiber reinforced pipes to KPMI structured wall pipes. This strategic choice, made in conjunction with the project’s EPC contractor, Sta. Clara International Corp., aims to guarantee the swift and efficient delivery of the project. The KPMI pipes boast exceptional features such as impressive workability, remarkable durability, and the ease of on-site welding, which simplifies the installation process along the steep and rugged terrains of the mountains. What's more, these pipes can be tailored to meet the specific demands of the headrace pipeline, categorized into three distinct types based on embedment depth, which ranges from 4 to 15 meters. Adding to the complexity, a segment of the pipeline gracefully traverses concrete bridges over a stretch of about 2 km.

Moreover, the meticulous electrofusion jointing process enhances project efficiency, enabling an impressive average jointing rate of 36 linear meters per day. The integrity and seal of each joint are safeguarded by our dedicated skilled jointers and the rigorous pneumatic control tests conducted after every joint, ensuring that the hydraulic capacity remains uncompromised.

KPMI pipes present a plethora of advantages over alternative materials considered for this ambitious project, such as GRP and ductile iron pipes. Their non-corrosive and flexible nature gives them a distinct advantage in functionality and longevity. This ambitious project marks our inaugural venture into developing a Hydroelectric Power Plant (HEPP), paving the way for exciting opportunities in similar projects throughout Luzon and Mindanao. The power sector is increasingly embracing the myriad benefits of KPMI pipes for these applications, further underscoring KPMI’s role as a sustainable and innovative solution that is driving the advancement of infrastructure across the nation.

GERMAN TECHNOLOGY, FILIPINO INGENUITY

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