Plant Design & Build
Most water-treatment plants in Pakistan were sold by people who didn't have to operate them afterwards. We design from the operations end — what an operator can plausibly run on a Tuesday morning at 6am — and work backwards. The result tends to be smaller, cheaper, and noticeably more reliable than a brochure-driven design.
Four pieces of work, run together.
The signals that point at this service.
- →Greenfield project — new factory or expansion needs water treatment from scratch
- →Existing plant has hit capacity and the next ton of product needs more water than the current plant can produce
- →Shifting feedwater source (e.g. from KW&SC supply to bore-water) and the current plant can't handle the new chemistry
- →Effluent plant has been issued an environmental notice and needs upgrading to meet new discharge standards
- →You have a design from someone else and want a second opinion before signing the EPC contract
How a typical engagement runs.
Concept design
Feedwater data + product-water spec + flow demand → block flow diagram, equipment list, and rough budget. 1-2 weeks. Used to get internal sign-off on the project.
Detail design
P&ID, GA drawings, hydraulic calcs, electrical SLD, controls narrative. 4-6 weeks. This is the package that goes to procurement.
Procurement support
We help you compare quotes from equipment vendors, check that the kit being offered matches the spec, and call out where someone's substituting a cheaper component.
Build supervision
Site visits during erection, pre-commissioning checks, instrument calibration sign-off. We don't always run the build crew but we always check the build.
Commissioning hand-over
See AA/S3 — typically a separate scope but bundled into the same engagement.
What this typically costs.
Engineering-only fees run 4-7% of installed equipment cost depending on scope (concept-only vs. full detail design vs. design + build supervision). Turnkey build (engineering + procurement + construction) is quoted as a fixed-fee project — typical industrial RO plants in the 50-500 m³/day range come in PKR 25M – PKR 180M depending on feedwater complexity and recovery target.
What buyers ask before signing.
Do you build the plant yourselves or subcontract it?
Hybrid. Process engineering, controls, and commissioning are in-house. Mechanical erection, piping, and electrical are typically run by our long-term subcontractors who we've worked with for 10+ years — we coordinate, sign off on quality, and stay on the hook for the deliverable.
What size plants do you handle?
Comfortable range is 10 m³/day to 2,000 m³/day for industrial water and 50 m³/day to 5,000 m³/day for effluent. Below 10 m³/day the engineering overhead is uneconomic for everyone; above 5,000 m³/day we partner with larger EPC firms and play the chemistry/operations role.
Can you retrofit an existing plant rather than build new?
Often yes. Retrofits — adding a polishing stage, increasing recovery, replacing a failed train, adding effluent reuse — are 30-50% of our project work. The engineering is sometimes harder than greenfield because you're working around existing constraints, but the capex is much smaller.
Do you provide a process guarantee?
Yes — performance guarantee on the deliverable specification. Typically: product-water quality (TDS, hardness, conductivity, pH) and recovery rate at design flow. We don't guarantee operating cost because that depends on how the plant is operated, but we do specify expected dose rates and KPI targets that, if hit, deliver a predictable cost.
Where do you source membranes and major equipment?
RO membranes: Toray Japan, Hydranautics USA, DOW Filmtec, depending on application and budget. Pumps: Grundfos, Wilo, KSB. Media: locally graded where quality permits, imported (Anthrasand, USA) for high-spec applications. Controls: Siemens, Allen-Bradley, Mitsubishi PLC depending on plant standards.
How long does a plant build typically take?
From signed contract to first water through the plant: 16-28 weeks for a 100-300 m³/day RO plant; 24-40 weeks for an effluent treatment plant; 8-14 weeks for a softening or polishing add-on. Long lead is usually membrane delivery from Japan.
Same factory address. Same engineering team. Same number on WhatsApp.
Tell us the scope, the plant, the timeline. We come back with an honest quote — usually the same business day.
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