Ladongi Dam East Kolaka — Technical Consultant PT. WECON
Project Details
The Ladongi Dam in East Kolaka Regency, Southeast Sulawesi, was officially inaugurated by the President of Indonesia in November 2021. With a total storage capacity of 45.945 million cubic meters (m³), the dam serves as a regional backbone for water security and food resilience.
Standing 66 meters high from foundation, the dam is classified as a zonal rockfill structure. PT. WECON is proud to have been selected by the Sulawesi IV River Basin Authority (BWS Sulawesi IV) for engineering planning, technical permitting, and field supervision.
Technical Specifications Matrix
| Parameter | Specification Details | |---|---| | Structure Type | Zonal Rockfill / Earthfill Dam | | Dam Height | 66 meters from deepest foundation | | Crest Length | 160 meters | | Storage Capacity | 45.945 million cubic meters (m³) | | Irrigation Benefit | Provides irrigation water for 3,604 hectares of farmland | | Flood Reduction | Reduces peak flood discharge by 132.25 m³/second | | Authority / Client | Ministry of PUPR — BWS Sulawesi IV | | WECON Role | DED Planning, Permitting Support, & Construction Supervision |
Key Role & Regulatory Compliance
PT. WECON provided full lifecycle engineering support from initial feasibility to physical construction QA/QC.
Safety compliance followed Indonesian Dam Construction Permitting Services under Dam Safety Commission rules, while irrigation intake models aligned with Surface Water Intake & SIPPA Permitting Services.
"As a lead water engineering consultant in Indonesia, PT. WECON ensured every structural aspect of Ladongi Dam met the highest safety standards."
Gani Abdurrahman
Director, PT Wecon
