These boundaries are also available through the LINZ Data Service.
Learn more about Cadastral Survey Rules implementation, or access the Cadastral Survey Rules 2021 on the New Zealand legislation website.
The meridional circuits are formally defined in the LINZS25002 (Standard for New Zealand Geodetic Datum 2000 Projections). The key parameters from this standard are summarised below:
| Name: | See table below |
|---|---|
| Abbreviation: | See table below |
| Projection type: | Transverse Mercator |
| Reference ellipsoid: | GRS80 |
| Datum: | NZGD2000 |
| Origin latitude: | See table below |
| Origin longitude / central meridan: | See table below |
| False Northing: | 800,000 metres North |
| False Easting: | 400,000 metres East |
| Central meridian scale factor: | See table below |
| Circuit name | Abbreviation | Origin latitude | Origin longitude | Central meridian scale factor |
|---|---|---|---|---|
| Mount Eden 2000 | EDENTM2000 | 36° 52' 47" S | 174° 45' 51" E | 0.9999 |
| Bay of Plenty 2000 | PLENTM2000 | 37° 45' 40" S | 176° 27' 58" E | 1.00000 |
| Poverty Bay 2000 | POVETM2000 | 38° 37' 28" S | 177° 53' 08" E | 1.00000 |
| Hawkes Bay 2000 | HAWKTM2000 | 39° 39' 03" S | 176° 40' 25" E | 1.00000 |
| Taranaki 2000 | TARATM2000 | 39° 08' 08" S | 174° 13' 40" E | 1.00000 |
| Tuhirangi 2000 | TUHITM2000 | 39° 30' 44" S | 175° 38' 24" E | 1.00000 |
| Wanganui 2000 | WANGTM2000 | 40° 14' 31" S | 175° 29' 17" E | 1.00000 |
| Wairarapa 2000 | WAIRTM2000 | 40° 55' 31" S | 175° 38' 50" E | 1.00000 |
| Wellington 2000 | WELLTM2000 | 41° 18' 04" S | 174° 46' 35" E | 1.00000 |
| Collingwood 2000 | COLLTM2000 | 40° 42' 53" S | 172° 40' 19" E | 1.00000 |
| Nelson 2000 | NELSTM2000 | 41° 16' 28" S | 173° 17' 57" E | 1.00000 |
| Karamea 2000 | KARATM2000 | 41° 17' 23" S | 172° 06' 32" E | 1.00000 |
| Buller 2000 | BULLTM2000 | 41° 48' 38" S | 171° 34' 52" E | 1.00000 |
| Grey 2000 | GREYTM2000 | 42° 20' 01" S | 171° 32' 59" E | 1.00000 |
| Amuri 2000 | AMURTM2000 | 42° 41' 20" S | 173° 00' 36" E | 1.00000 |
| Marlborough 2000 | MARLTM2000 | 41° 32' 40" S | 173° 48' 07" E | 1.00000 |
| Hokitika 2000 | HOKITM2000 | 42° 53' 10" S | 170° 58' 47" E | 1.00000 |
| Okarito 2000 | OKARTM2000 | 43° 06' 36" S | 170° 15' 39" E | 1.00000 |
| Jacksons Bay 2000 | JACKTM2000 | 43° 58' 40" S | 168° 36' 22" E | 1.00000 |
| Mount Pleasant 2000 | PLEATM2000 | 43° 35' 26" S | 172° 43' 37" E | 1.00000 |
| Gawler 2000 | GAWLTM2000 | 43° 44' 55" S | 171° 21' 38" E | 1.00000 |
| Timaru 2000 | TIMATM2000 | 44° 24' 07" S | 171° 03' 26" E | 1.00000 |
| Lindis Peak 2000 | LINDTM2000 | 44° 44' 06" S | 169° 28' 03" E | 1.00000 |
| Mount Nicholas 2000 | NICHTM2000 | 45° 07' 58" S | 168° 23' 55" E | 1.00000 |
| Mount York 2000 | YORKTM2000 | 45° 33' 49" S | 167° 44' 19" E | 1.00000 |
| Observation Point 2000 | OBSETM2000 | 45° 48' 58" S | 170° 37' 42" E | 1.00000 |
| North Taieri 2000 | TAIETM2000 | 45° 51' 41" S | 170° 16' 57" E | 0.99996 |
| Bluff 2000 | BLUFTM2000 | 46° 36' 00" S | 168° 20' 34" E | 1.00000 |