GLS
Projects Overview

Water systems proven in real operating environments.

GLS has delivered water and wastewater solutions for leading organizations in hospitality, energy, manufacturing, mining, public infrastructure and commercial development. Explore selected projects to see how we apply engineering, technology and operational expertise to real water challenges across Indonesia.

View Projects by Industry
Hospitality Bali

Coastal resort

1,200 m³/day
Water challenge
No reliable freshwater on-site.
Source
Seawater
GLS scope
Design, supply, install, commission, O&M
Technologies
SWRO + Ultrafiltration + Remineralization
Delivery model
EPC + O&M
Results
Full potable and utility supply with 24/7 monitoring.
Completed
2023
Manufacturing Sidoarjo

Automotive plant

3,500 m³/day
Water challenge
High freshwater demand and discharge constraints.
Source
Municipal + process wastewater
GLS scope
Engineering, supply, install, commissioning
Technologies
MBR + RO reuse loop
Delivery model
EPC
Results
70% process-water reuse; discharge compliant.
Completed
2022
Municipal West Java

Regional water utility

8,000 m³/day
Water challenge
Community drinking-water supply.
Source
Surface water
GLS scope
Full plant + long-term O&M
Technologies
UF + RO + Post-treatment
Delivery model
Build-Own-Operate
Results
Continuous WHO-grade supply for 180,000+ residents.
Completed
2021
Food & Beverage East Java

Beverage manufacturer

2,000 m³/day
Water challenge
FOG, colour and organic load in effluent.
Source
Process wastewater
GLS scope
Retrofit + tertiary treatment
Technologies
DAF + Biological + Tertiary filtration
Delivery model
Design & Build
Results
Effluent quality within discharge limits; energy reduced.
Completed
2023
Mining & Metals Kalimantan

Mining operation

5,000 m³/day
Water challenge
Variable raw-water quality and TSS.
Source
Surface water
GLS scope
Clarification, filtration, membrane package
Technologies
Clarifier + Multimedia + UF/RO
Delivery model
EPC + Supply
Results
Reliable process water under seasonal variation.
Completed
2022
Oil & Gas Java Sea

Offshore platform

150 m³/day
Water challenge
Potable and utility water in confined footprint.
Source
Seawater
GLS scope
Package skid supply + commissioning
Technologies
SWRO skid + Post-treatment
Delivery model
Supply + Commissioning
Results
Compact, marine-rated skid operating in continuous duty.
Completed
2024

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