Tell us what you need tested, and we’ll respond with a clear, competitive quote.
Office hours
Monday – Friday
8:00-17:00
Lab testing hours
Monday – Sunday
(seven days a week, year round)
Additional information
Johann Steyn
Managing Director
ND – Civil Engineering
johann@firstprinciplethinking.org
076 761 6094
– Site Laboratories
– Quotations
– Technical Inquiry
Reece Wilson
Operation Director
B-Tech
Geotechnical
reece@firstprinciplethinking.org
082 093 3692
– Materials & Geotechnical Investigations
– Quotations
– Technical Inquiry
Leoni van Kradenburg
Accounting Manager
admin@firstprinciplethinking.org
– Invoicing & Statements
– Orders & Payments
Site Bookings
Lizelda Bezuidenhout
Field Teams Coordinator