Johan Effendi

Experience

• 

  PT Jaya Construction Management (Jaya CM)

  Jul 2018 - Aug 2018

  Construction Inspector

  - Supervised construction process- Validate shop drawing with existing- Coordinate with senior inspector

• 

  PT. Prestress Construction Indonesia

  Nov 2019 - Feb 2022

  - Analysed and designed more than 25 construction projects including houses, bridges and high-rise building prestress structural elements (e.g : beams, slabs, girders).- Involved in discussion and work closely with Project Managers in developing recommendations if problem occurs on site constructions to maintain quality and meet client expectations.- Created a prestress structural design reports as initial data in stressing proposals for Project Managers. - Engaged with Project Manager on site construction and delivered over 20 construction projects by assisting in supervisions, administrations and reports both as a team and individual with 85%-90% accuracy. - Coordinated with project stakeholders about schedules, materials and workers mobility according to client needs.- Generated a daily, weekly and mothly reports for site constructions.

  • Design Engineer

    Nov 2020 - Feb 2022

  • Site Engineer

    Nov 2019 - Nov 2020
• 

  PT. Pratamadaya Cahyamanunggal

  Jul 2022 - Oct 2024

  Project Done:- Halim High-speed Rail Access Bridge: static and dynamic loading test.- Tebing Tinggi Junction: static and dynamic loading test.- Kelok Sago Bridge, 140 meters Special Arch Bridge: Construction stage, staging analysis, backstay foundation design analysis.- Sepang Bridge, 100 meters Special Steel Truss: Upper structure static and dynamic structural analysis, substructre design analysis, structural deep foundation design analysis, fender design with soil-structure interaction.- Anggana Bridge, Steel Truss: Upper structure structural assesment.- Menara Tele Toba, Skywalk and Skybridge: Dynamic and static structural assesment, structural repairment, foundation check.- LRT Phase 1B (Manggarai-Velodrome), Balanced Cantilever Bridge: Deep foundation design and analysis.- BUMA Hauling Road, Belayan Bridge: Substructure analysis check, punching shear check.- BUMA Hauling Road, Longjo and Loa Hulu: Substructure design analysis, deep foundation design analysis. Show less Project Done:- Loading Test LRT Project: Halim, Cawang, Cikunir, Kali Bekasi, Mainline Turnout, Mainline Symmetrical and Extended.- Rantau Berangin Bridge, Riau, Indonesia. Special Tied-Arch Bridge with 120 m length of span: Deep foundation design and analysis.- Wai Apu Bridge, Maluku, Indonesia. Special Steel Frame Bridge with 100 m length of span: Deep foundation design also geotechnical slope analysis with finite element and limit equilibrium.- Fisabilillah Barelang Bridge, Batam, Indonesia. Special Cable Stayed Bridge: Cable test after damping replacement.- Semarang-Demak Tollway, Semarang, Indonesia. Pileslab concrete bridge: Dynamic and static loading test.- Sei Wampu Bridge, North Sumatera, Indonesia. Special arch bridge with 140 m length of span: Hanger fine tunning, bridge structural redundancy. Show less

  • Senior Bridge Engineer

    Aug 2023 - Oct 2024

  • Engineer

    Jul 2022 - Jul 2023
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  Huawei

  Oct 2024 - now

  Data Center Engineer

  Data Center Engineer Civil ExpertICT Consulting - Network and Technology Department [Indonesia Representative Office - Asia Pacific Region]