Two sets of load limits are needed for Class 2 dwellings to be consistent with the current NCC methodology of a minimum 5 star with an average 6 star. The tables below provide a maximum load limit for any individual unit and an average load limit for the entire building.
Table : Load limits for Class 2 Concrete Floor 6 star target (average case)
Climate Zone name & number
Current 6 star Target in MJ/m2/year
New Heating load limit MJ/m2/year
New Cooling load limit MJ/m2/year
Darwin 1
349
0
349
Port Hedland 2
215
0
215
Longreach 3
141
0
141
Carnarvon 4
53
13
50
Townsville 5
127
4
124
Alice Springs 6
113
75
83
Rockhampton 7
90
17
87
Moree 8
94
67
61
Amberley 9
67
48
44
Brisbane 10
43
25
32
Coffs Harbour 11
44
30
28
Geraldton 12
57
41
37
Perth 13
70
52
41
Armidale 14
128
119
12
Williamtown 15
67
46
31
Adelaide 16
96
58
53
Sydney E 17
39
20
34
Nowra 18
81
66
24
Charleville 19
87
61
59
Wagga 20
137
109
28
Melbourne 21
114
88
36
East Sale 22
133
118
23
Launceston 23
160
160
0
Canberra 24
165
144
31
Cabramurra 25
352
352
0
Hobart 26
155
155
0
Mildura 27
110
81
65
Richmond 28
87
57
49
Weipa 29
326
0
326
Wyndham 30
406
0
406
Willis Is 31
176
0
176
Cairns 32
128
0
128
Broome 33
285
0
285
Learmouth 34
134
0
134
Mackay 35
92
0
92
Gladstone 36
59
0
59
Halls Creek 37
211
0
211
Tennant Creek 38
170
0
170
Mt Isa 39
164
0
164
Newman 40
127
23
123
Giles 41
98
45
87
Meekatharra 42
70
32
62
Oodnadatta 43
103
48
91
Kalgoorlie 44
70
50
45
Woomera 45
90
64
59
Cobar 46
89
64
57
Bickley 47
94
75
39
Dubbo 48
103
87
26
Katanning 49
100
79
42
Oakley 50
78
57
47
Forrest 51
72
54
41
Swanbourne 52
39
30
20
Ceduna 53
78
58
46
Mandurah 54
65
48
40
Esperance 55
62
51
21
Mascot 56
51
36
30
Manjimup 57
108
92
27
Albany 58
83
76
10
Mt Lofty 59
230
230
0
Tullamarine 60
138
113
47
Mt Gambier 61
144
133
15
Moorabbin 62
125
109
26
Warrnambool 63
151
138
18
Cape Otway 64
127
113
20
Orange 65
219
206
17
Ballarat 66
197
178
28
Low Head 67
116
116
0
Launceston air 68
188
188
0
Thredbo 69
298
298
0
Table : Load limits for Class 2 Concrete Floor 5 star target (maximum case)
Climate Zone name & number
Current 5 star Target in MJ/m2/year
New Heating load limit MJ/m2/year
New Cooling load limit MJ/m2/year
Darwin 1
413
0
413
Port Hedland 2
260
0
260
Longreach 3
178
76
178
Carnarvon 4
66
39
64
Townsville 5
153
15
153
Alice Springs 6
148
108
124
Rockhampton 7
110
59
108
Moree 8
119
91
92
Amberley 9
85
62
71
Brisbane 10
55
40
48
Coffs Harbour 11
55
42
42
Geraldton 12
73
54
60
Perth 13
89
70
57
Armidale 14
169
155
29
Williamtown 15
86
64
39
Adelaide 16
125
96
93
Sydney E 17
50
32
39
Nowra 18
105
89
33
Charleville 19
114
84
95
Wagga 20
178
149
80
Melbourne 21
149
120
62
East Sale 22
175
157
40
Launceston 23
208
0
208
Canberra 24
216
194
47
Cabramurra 25
454
0
454
Hobart 26
202
190
22
Mildura 27
143
113
97
Richmond 28
112
82
64
Weipa 29
384
0
384
Wyndham 30
488
0
488
Willis Is 31
207
0
207
Cairns 32
153
0
153
Broome 33
335
0
335
Learmouth 34
166
9
166
Mackay 35
112
21
112
Gladstone 36
73
31
73
Halls Creek 37
259
0
259
Tennant Creek 38
213
11
213
Mt Isa 39
205
52
205
Newman 40
162
84
161
Giles 41
126
89
110
Meekatharra 42
91
65
79
Oodnadatta 43
135
95
118
Kalgoorlie 44
91
70
68
Woomera 45
115
85
94
Cobar 46
115
87
89
Bickley 47
122
101
60
Dubbo 48
134
114
51
Katanning 49
130
107
68
Oakley 50
98
76
71
Forrest 51
93
74
62
Swanbourne 52
51
41
30
Ceduna 53
101
80
67
Mandurah 54
82
64
59
Esperance 55
82
69
35
Mascot 56
66
51
38
Manjimup 57
143
123
49
Albany 58
110
99
23
Mt Lofty 59
301
301
0
Tullamarine 60
182
160
48
Mt Gambier 61
189
172
35
Moorabbin 62
165
147
37
Warrnambool 63
197
178
40
Cape Otway 64
168
150
39
Orange 65
285
266
37
Ballarat 66
257
233
50
Low Head 67
153
153
0
Launceston air 68
245
245
0
Thredbo 69
387
387
0
Table : Load limits for Class 2 Timber Floor 6 star target (average case)
Climate Zone name & number
Current 6 star Target in MJ/m2/year
New Heating load limit MJ/m2/year
New Cooling load limit MJ/m2/year
Darwin 1
349
0
349
Port Hedland 2
215
0
215
Longreach 3
141
0
141
Carnarvon 4
53
12
48
Townsville 5
127
0
127
Alice Springs 6
113
64
77
Rockhampton 7
90
14
85
Moree 8
94
50
67
Amberley 9
67
39
44
Brisbane 10
43
16
35
Coffs Harbour 11
44
26
29
Geraldton 12
57
36
35
Perth 13
70
35
52
Armidale 14
128
115
29
Williamtown 15
67
48
36
Adelaide 16
96
46
54
Sydney E 17
39
13
34
Nowra 18
81
63
36
Charleville 19
87
52
57
Wagga 20
137
105
63
Melbourne 21
114
88
56
East Sale 22
133
120
29
Launceston 23
160
160
0
Canberra 24
165
141
24
Cabramurra 25
352
352
0
Hobart 26
155
155
0
Mildura 27
110
54
82
Richmond 28
87
58
44
Weipa 29
326
0
326
Wyndham 30
406
0
406
Willis Is 31
176
0
176
Cairns 32
128
0
128
Broome 33
285
0
285
Learmouth 34
134
0
134
Mackay 35
92
0
92
Gladstone 36
59
0
59
Halls Creek 37
211
0
211
Tennant Creek 38
170
0
170
Mt Isa 39
164
0
164
Newman 40
127
9
123
Giles 41
98
38
80
Meekatharra 42
70
28
57
Oodnadatta 43
103
41
84
Kalgoorlie 44
70
38
49
Woomera 45
90
49
63
Cobar 46
89
47
64
Bickley 47
94
60
58
Dubbo 48
103
77
50
Katanning 49
100
64
61
Oakley 50
78
42
56
Forrest 51
72
41
49
Swanbourne 52
39
23
26
Ceduna 53
78
43
55
Mandurah 54
65
33
48
Esperance 55
62
46
30
Mascot 56
51
32
27
Manjimup 57
108
85
47
Albany 58
83
77
14
Mt Lofty 59
230
230
0
Tullamarine 60
138
108
59
Mt Gambier 61
144
131
31
Moorabbin 62
125
100
37
Warrnambool 63
151
141
24
Cape Otway 64
127
117
24
Orange 65
219
208
25
Ballarat 66
197
181
37
Low Head 67
116
116
0
Launceston air 68
188
188
0
Thredbo 69
298
298
0
Table : Load limits for Class 2 Timber Floor 5 star target (maximum case)
