Enviro Design & Build

Enviromental Design and Build

Focus on WTP and WWTP

Omazaki Enviro, as a strategic business unit at Omazaki Group, is an environmental consultant and contractor. Omazaki Enviro has a reliable and experienced team in the field of environment, especially raw water and wastewater treatment. We offer services in designing and constructing environmental engineering, specifically the design of water treatment plants (WTP) and wastewater (WWTP). In environmental design & build services, design and construction work can be in one contract. We are fully responsible from concept, initial design, detailed design, licensing, project management, procurement, implementation, laboratory testing, commissioning to start-up. Omazaki Enviro can act as a consultant and contractor for the WWTP or WTP design & build projects as well. All of this we call Enviro Design & Build Solutions and Services.

This environmental design & build service will further accelerate project completion, save time and costs. In addition, it also reduces disputes and claims compared to separating design contracts from construction contracts.


WTP & WWTP Design & Build Service

As a consultant and contractor for environmental design & build, Omazaki Enviro designs, plans, builds and installs effective, reliable and efficient WTP and WWTP systems for various application sectors. Detailed information about WWTP design & build and other design can be read at the following link. Please click:


WTP Design & Build

Water treatment plant (WTP) is an integrated systems that aim to improve the quality of raw water to be more acceptable for certain end uses, such as for drinking water, pure water and other needs.

In general, water treatment consists of five processes namely coagulation process, flocculation process, sedimentation process, filtration process, and disinfection process.

Detailed explanation of WTP design & build services can be found on the WTP page.


WWTP Design & Build

Wastewater treatment is a process that removes contaminants from wastewater or sewage and converts it into an effluent that can be returned to the water cycle with minimum impact on the environment, or directly reused. The latter is called water reclamation because treated wastewater can then be used for other purposes. The treatment process takes place in a wastewater treatment plant (WWTP). Sometimes WWTP is also called as sewage treatment plant (STP).

WWTP with the latest technology make their processing stages become::

  • Pretreatment Phase
  • Primary Treatment
  • Secondary Treatment
  • Sludge Treatment

Explanation of environmental design & build solutions especially WWTP design & build can be read on the WWTP page.


The entire proposal and environmental design work offered by the majority refers to:

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