What the Design & Supply Service Covers
Six design deliverables — delivered together as a complete engineering package.
Water Analysis & Treatability
- Complete ionic analysis: Ca²⁺, Mg²⁺, Na⁺, K⁺, Cl⁻, SO₄²⁻, HCO₃⁻
- Physical parameters: TDS, TSS, turbidity, colour, pH, temperature
- Organics & biological: TOC, COD, BOD, SDI₁₅, bacteria
- Scale indices: LSI, S&DSI, Stiff & Davis
- Contaminants: Fe, Mn, silica, boron, nitrate, fluoride
- Output: Treatability report with recommended process train
Process Design & Mass Balance
- Process selection: RO, NF, UF, MF, IEX, GAC, softening
- Mass balance: flow, recovery, rejection, concentration
- Membrane array design: pressure vessels, stages, elements
- Chemical dosing: antiscalant, biocide, oxygen scavenger
- Pretreatment: media filtration, cartridge, antiscalant
- Deliverable: Design basis document, mass balance sheet
PFD & P&ID Production
- Process Flow Diagram (PFD): major equipment, flows, conditions
- Piping & Instrumentation Diagram (P&ID): full instrumentation
- Line sizing: pipe diameters, velocities, pressure drops
- Instrument list: flow, pressure, pH, conductivity, ORP, level
- Valve & fitting schedule: manual, automatic, control
- Deliverable: Signed PFD, P&ID, instrument datasheets
Equipment Sizing & Selection
- Pumps: high-pressure, feed, dosing, transfer
- Membranes: element selection (Dow, Hydranautics, Toray, LG)
- Pressure vessels: FRP, stainless steel, 4"/8"/16"
- Dosing pumps: Grundfos DDA, ProMinent Gamma, SEKO
- Instrumentation: DULCOMETER controllers, DULCOTEST sensors
- Deliverable: Equipment datasheets, selection report
Bill of Materials & Procurement
- Full BOM: equipment, instruments, valves, piping, fittings
- Vendor selection: global and local sourcing
- Brands available: Lenntech, Dow, Grundfos, BWA, ProMinent
- Delivery coordination: lead times, logistics, customs
- QC/QA: factory acceptance test (FAT) coordination
- Deliverable: Complete BOM with commercial quotation
Technical Documentation
- Design report: process description, basis of design
- Operating manual: startup, shutdown, normal operation
- Maintenance manual: PM schedule, CIP protocols
- Chemical program: dosing rates, setpoints, alarm limits
- Safety & HSE: HAZOP notes, MSDS compilation
- Deliverable: Complete O&M documentation set
What You Receive at Each Stage
A clear deliverables matrix — no ambiguity about what’s included in the design & supply scope.
| Stage | Document / Deliverable | Typical Content | Format | Timeline | Approval |
|---|---|---|---|---|---|
| 1. Analysis | Water Analysis Report | Ionic composition, physical parameters, organics, scale indices, contaminants | PDF + Excel | 1–2 weeks | Client review |
| 2. Design Basis | Design Basis Document | Process selection, recovery targets, product water quality, chemical program | 1–2 weeks | Client approval | |
| 3. Process Design | Mass Balance & Process Calculations | Flow rates, recovery, rejection, concentration factors, membrane flux | Excel + PDF | 2–3 weeks | Client approval |
| 4. Drawings | PFD + P&ID | Process flow diagram, piping & instrumentation diagram, line sizing, valve list | PDF + DWG | 2–3 weeks | Client approval |
| 5. Equipment | Equipment Datasheets & Selection Report | Pumps, membranes, vessels, instruments, dosing pumps — with verified specs | PDF bundle | 2–4 weeks | Client approval |
| 6. Procurement | Bill of Materials + Commercial Quotation | Complete BOM with vendors, lead times, prices, terms | Excel + PDF | 1–2 weeks | Client PO |
| 7. Documentation | O&M Manual + Chemical Program | Startup, shutdown, normal operation, PM schedule, CIP protocols, dosing rates | PDF bundle | With delivery | Client handover |
What Makes Our Design Different
Four principles that guide every project we engineer.
Chemistry First
Every design starts with real water chemistry — not a template. Founded by a chemist, we design for your water.
Engineered to Standard
PFDs, P&IDs, and mass balances follow international engineering practice — auditable, traceable, safe.
Global Supply Chain
Direct access to Lenntech, Dow, Grundfos, ProMinent, BWA — the same components the world’s plants use.
Built to Operate
Every design is delivered with an O&M manual — because a system that can’t be operated isn’t a solution.
How a Full Water Treatment System is Designed
Watch the full RO desalination process — from intake and pre-treatment, through high-pressure membrane stages, to post-treatment and product water storage. This is exactly the process train TOP Technique designs, supplies, and supports.
Request a Design Proposal →Ready to Design Your Water Treatment System?
Send us your water analysis and process requirements — our engineers will respond with a design basis document and commercial proposal. Turnkey, from concept to commissioning.