PH M Solutions
PH M SOLUTIONS
Civil engineering consulting & software, built in South Africa

Civil engineering design, delivered — and the software we build to do it better.

PH M Solutions is a civil engineering practice offering design, project management, and traffic studies. We also build our own software tools, starting with FlowIQ, to do the work faster and with fewer mistakes.

What we design Software we build
C-Series — Civil design services

What we design.

Full civil engineering design and delivery, from concept through construction documentation.

Service index Rev. 2026
C-001
Earthworks
Cut and fill design, mass haul, and site grading.
C-002
Roads
Geometric design, pavement layers, and intersection design.
C-003
Stormwater
Peak flow analysis, drainage systems, and attenuation.
C-004
Floodlines
Flood line determination and hydraulic modelling.
C-005
Water & sewer
Reticulation design and capacity analysis.
C-006
Project management
Design coordination, programme, and site oversight.
C-007
Traffic counts
Volume studies, classification counts, and turning movements.
FirmPH M Solutions
DisciplineCivil Engineering
ScaleN/A
StatusEnquire per project
S-Series — Software tools

Software we build.

Tools built from the same design work above — used on our own projects first, then shared.

Product index Rev. 2026
S-001
FlowIQ
Stormwater peak flow calculator — five SANRAL Drainage Manual methods in one place.
Available now
S-002
— — — —
Next tool in development.
In progress
S-003
— — — —
Have a tool you wish existed? Tell us.
Open slot
FirmPH M Solutions
DisciplineSoftware
ScaleN/A
StatusSheet 01 live
Sheet 01 — v2.0 available now

FlowIQ

Two toolsets in one app: stormwater peak flow across six SANRAL Drainage Manual methods, and water & sewer demand from the CSIR Red Book — all cross-checked against the manuals' own worked examples, not just internally consistent.

  • 01Six stormwater methods in one place — Rational Method (three alternatives, including point rainfall imported straight from SANRAL's Design Rainfall Estimation software), Standard Design Flood, Unit Hydrograph, and the Empirical method — sharing your catchment data so you enter it once, not six times.
  • 02Design rainfall pulled automatically from the SA Weather Bureau's station archive, just by entering coordinates.
  • 03Every figure the manual references is one click away — the actual chart, not just a citation.
  • 04New: Water & Sewer Demand — average annual daily demand, peak water demand, and sewer flow per land use (with descriptions, areas/unit counts, and a combined summary table), following CSIR Red Book Sections J & K.
  • 05Project letterhead and one-click PDF export, for each method and for a side-by-side comparison summary.
  • 06Runs on your PC. No internet needed to calculate — it checks in periodically just to confirm your subscription.
Stormwater methods
Rational Method — Alt. 1 (DDF diagram) Rational Method — Alt. 2 (Hershfield) Rational Method — Alt. 3 (DRE-SA import) Standard Design Flood Unit Hydrograph Empirical (MIPI-71)
Water & sewer demand — new in v2.0
Water demand — Table J.9 peak factors Sewer — Unit Hydrograph Sewer — AADD method Sewer — Peak factor method
Choose how you pay
Download for Windows
Monthly
R550/ month
Billed monthly. Cancel anytime.
Email to subscribe
Best value
Yearly
R5,000/ year
Save R1,600 vs paying monthly (about 24% less).
Email to subscribe
Once-off
R10,500
Pay once. No recurring billing, ever.
Email to subscribe
All plans: full access to FlowIQ. Prices in ZAR.
Getting started

Three steps, and you're calculating.

STEP 1

Download and install

Windows only for now. You'll see a security prompt on first run since the app isn't code-signed yet — that's expected, click through it.

STEP 2

Email to subscribe

Send a note to info@phmsolutions.co.za and we'll arrange payment and send you a license key.

STEP 3

Activate and go

Paste your key into FlowIQ the first time you open it. After that, it just works — no need to re-enter it.

Contact

A project to discuss, or a tool you wish existed?

Email info@phmsolutions.co.za — design enquiries, FlowIQ subscriptions, support, or suggestions for the next tool.