Bellwether Architecture & Engineering · Structural engineering
Structural design
Foundations, slabs, beams, columns and roof structures designed for your drawings, with the calculations and engineer's drawings council asks for.
- Fee
- 1.5–2% of building cost, minimum R12,000, excl. VAT
- Basis
- A share of the estimated cost of the building work — a budget figure until the proposal.
- Confirmed
- On BAE's written proposal and terms of engagement — nothing is charged until you accept.
- Signed by
- The registered architect or engineer allocated to your project, named with their SACAP or ECSA registration on the proposal.
What you get
- Structural calculations
- Foundation, slab and reinforcement drawings
- Rational design (A19 / B1 forms as the municipality requires)
When you need it
- Double storeys, suspended slabs and long spans
- Anything outside the deemed-to-satisfy rules of SANS 10400
Budget it with the design fee estimator.
From design to site
Send a brief
BAE replies with questions or a fee proposal. Reply to the confirmation email with any drawings, title deed or photos.
More structural engineering
Foundation inspections & completion certificate
An engineer inspects the excavations and the steel before each pour and signs the completion certificate the municipality asks for at the end.
R7,500 fixed, excl. VAT →
Crack & structural assessment
An engineer inspects cracks, sagging or damp, finds the cause and writes up the repair — for owners, buyers and insurers.
R6,500 fixed, excl. VAT →
Retaining wall design
Design and drawings for a retaining wall — concrete block, gabion or reinforced concrete — with the engineer's sign-off.
R8,500 fixed, excl. VAT →