1 Bedroom Type A Granny Flat · ← back to the plan set
What the structural engineer provides — design and certification of the footings, slab and structure for ACT building approval, working off this drawing set — with indicative estimates. Edit any figure to your own quote (saved in this browser only).
| Item | Provided by | Est. cost (AUD) |
|---|---|---|
| Engineer provides | ||
| Geotechnical soil test & site classificationAS 2870 Boreholes / test pits → site class (A/S/M/H/P), bearing capacity, reactivity & fill. | Engineer | |
| Concrete slab & footing designAS 2870 / AS 3600 Slab thickness, edge + internal stiffening beams & reinforcement for the confirmed site class. | Engineer | |
| Structural design — framing, lintels, tie-down & bracingAS 1684.2 / AS 1170 Walls, rafters, loadbearing walls, connections & bracing for the confirmed wind class (N2). | Engineer | |
| Structural certification for building approvalBuilding Act 2004 (ACT) Stamped engineer's certificate of footings, slab & structure, ready for lodgement. | Engineer | |
| ESTIMATED ENGINEERING TOTAL | $3,900.00 | |
Standards: AS 2870 (residential slabs & footings), AS 3600 (concrete), AS 1684.2 (timber framing), AS 1170 / AS 4055 (structural & wind actions). Certification for lodgement with an ACT private certifier under the Building Act 2004 (ACT) & NCC 2022 Volume Two. Excludes stormwater/civil, energy/NatHERS and surveying unless quoted.