About us
Jim Roskvist
-
Certifying Plumber and Drainlayer
-
Self-employed plumber and drainlayer for 25 + years
-
-
Plumbing and drainlaying tutor with more than 20 years experience at tradesman and certifying levels. (Unitec, Manukau Institute of Technology, and Hydraulic Services Consultants Ltd)
-
Graduate Diploma in Higher Education
Angus Cathcart
-
Certifying Drainlayer
-
Self-employed drainlayer for 30+ years
-
-
Drainlaying tutor with more than 5 years experience at tradesman and certifying levels. (Part time tutor at Unitec)
-
Licensed Building Practitioner
-
Self-employed builder for 30+ years
-
What We Offer
Short Courses
In-house courses covering:
-
Underslab to 'Drainage Principles' (AS/NZS 3500.2)
-
Elevated drainage - 4 floors or less (AS/NZS 3500.2)
-
Single stack systems - 3 floors or less (AS/NZS 3500.2)
-
Roll-over stack systems (AS/NZS 3500.2)
-
Water pipe-sizing for domestic buildings (AS/NZS 3500.1)
-
Design of Domestic Fire Sprinkler systems.