900 KLD Sewage Treatment Plant Civil Works – AMD Estates
Approximate civil works value: ₹1.5 crore
Decon Infratech – Civil Construction and Treatment Plant Infrastructure
Civil construction for a large-capacity Sewage Treatment Plant
Decon Infratech executed the civil-construction works required for a 900 KLD Sewage Treatment Plant (STP) at AMD Estates. The approximate civil works value of this scope is ₹1.5 crore. The photographs on this page are from the civil-construction phase of the plant.
Treatment-plant civil work is not ordinary building construction. The tanks are liquid-retaining structures whose internal dimensions determine the working volume of each process compartment, so accuracy of setting-out, wall thickness and level control matters as much as structural strength. The civil package therefore covers excavation, raft and wall reinforcement, shuttering, reinforced cement concrete works, internal partitions between process units, and the openings and embedded provisions needed by the piping and equipment packages that follow.
Equally important is what happens after the concrete is cast. Waterproofing coordination, equipment-foundation readiness, safe operator access and a clean interface with the electromechanical scope all depend on decisions taken while the civil structure is still being built. Decon Infratech plans these interfaces into the construction sequence so that the structure handed over is ready for installation without structural rework.
Verified project details
- Project
- AMD Estates
- System
- Sewage Treatment Plant
- Capacity
- 900 KLD
- Scope
- Civil Construction Works
- Approximate Civil Works Value
- ₹1.5 Crore
- Service Category
- Sewage Treatment Plant Infrastructure
Civil Construction Scope
The civil scope included works associated with the following activities, as reflected in the project photographs and records from the civil-construction phase.
Engineering and Execution Considerations
Typical engineering requirements of a large Sewage Treatment Plant civil package, and how they shape the construction sequence.
Maintaining structural dimensions
Treatment tanks must be built to the dimensions assumed in the process design, since compartment volumes directly govern retention time.
Coordinating tank levels
Invert levels, weir levels and top-of-wall levels are coordinated across compartments so that flow behaves as intended.
Correct process flow levels
Gravity transfer between process units depends on civil levels being set and verified before concreting.
Equipment and piping openings
Sleeves, cut-outs and embedded provisions are placed during shuttering so that later piping does not require structural breaking.
Preventing future water leakage
Construction-joint planning, water-stop provisions and dense concrete placement reduce the risk of seepage from liquid-retaining structures.
Safe access for maintenance
Platforms, walkway edges and openings are planned so that plant operators can reach equipment safely after handover.
Interface with mechanical and electrical works
Foundations, plinths and openings are kept ready in the correct sequence for the equipment installation packages that follow.
Systematic execution at large capacity
A 900 KLD plant is built in planned pours and stages so that reinforcement, shuttering and concreting proceed without rework.
Civil-construction phase, photographed on site
Authentic photographs from the Sewage Treatment Plant civil works, arranged in construction sequence. Click any image to view full-screen.
Decon Infratech’s Sewage Treatment Plant Civil Capability
A treatment plant is only successful when the civil structure, the treatment process requirements, the mechanical equipment, the electrical systems, the piping and the operation and maintenance access are all coordinated with one another. A tank built without the right openings, levels or foundations forces expensive corrections later; a tank built with them allows the installation packages to proceed cleanly.
This 900 KLD project is evidence that Decon Infratech can participate in substantial commercial and industrial treatment-plant infrastructure — taking responsibility for a large-capacity civil package and delivering a structure that the downstream mechanical and electrical scope can build on. Decon Infratech does not manufacture all plant equipment; our role on this project was the civil construction package.
Related capability: Sewage Treatment Plant, Water Treatment Plant and Effluent Treatment Plant Solutions and Sewage Treatment Plant and Water Treatment Plant Operation and Maintenance.
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