NCC 2019 Volume Three
Section C Sanitary plumbing and drainage systems

Section C Sanitary plumbing and drainage systems

Part C1 Sanitary plumbing systems

Delete C1.3(1) and insert SA C1.3(1) as follows:

SA C1.3 General requirements

(1)

The design, construction, installation, replacement, repair, alteration and maintenance of a sanitary plumbing system must be in accordance with either—

(a)

AS/NZS 3500.2 with the following variations and additions:

(i)

After clause 4.7.1(h) insert (i) as follows:

(i)

Inspection openings indicated in 4.7.1(b), (d) (e) and (f) shall be raised to finished surface level. All other inspection openings need not be raised provided they are not below paved, concreted or similar finished surfaces.

(ii)

Substitute clause 2.4.1(a) as follows:

(A)

Bends in pipes shall have a throat radius complying with Table 5.6 and Figure B6 of AS/NZS 1260 (2009) and shall be free from wrinkling and flattening.

(iii)

After clause 12.7(g) insert 12.7(h) and (i) as follows:

(h)

Buried pumped discharge pipes and rising mains shall be placed in close-fitting durable sleeving or continually spirally wrapped. The sleeving or spiral wrapping shall be identified for the full length with the following statement: "sewer rising main" or "pumped discharge pipe" in accordance with AS 1345.

(i)

Above ground pumped discharge pipes and rising mains shall be permanently identified with the following statement: "sewer rising main" or "pumped discharge pipe" in accordance with AS 1345. The statement shall be installed in a visible position running longitudinally, at no more than 3 metre intervals.

(iv)

After clause 13.9(b) delete the following:

Where a bath trap is not accessible, the bath shall discharge untrapped to a to a floor waste gully (FWG) in accordance with Table 4.6.7.2 and Appendix B.

(vii)

After clause 13.27.2 insert additional clause 13.28 as follows:

13.28
Trade Waste Pre-Treatment Devices

All trade waste pre-treatment devices shall connect to the sewerage system via a disconnector gully.