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PDFWAC 296-17-885

Table III.

Expected Loss Rates and Primary Ratios
by Risk Classification and Fiscal Year
Expected Loss Rates in Dollars Per Worker Hour
Effective January 1, 2021
Class
2017
2018
2019
Primary Ratio
101
0.7485
0.6747
0.5739
0.417
103
0.9666
0.8764
0.7541
0.421
104
0.6700
0.6032
0.5120
0.415
105
0.8109
0.7340
0.6285
0.494
106
1.8604
1.6904
1.4603
0.465
107
0.6967
0.6280
0.5339
0.417
108
0.6700
0.6032
0.5120
0.415
112
0.5068
0.4608
0.3980
0.403
201
1.4681
1.3206
1.1188
0.366
202
1.3730
1.2338
1.0434
0.371
210
0.6135
0.5540
0.4724
0.410
212
0.6227
0.5615
0.4778
0.429
214
1.1910
1.0690
0.9014
0.414
217
0.8693
0.7837
0.6668
0.454
219
0.6124
0.5484
0.4606
0.463
301
0.6696
0.6087
0.5257
0.463
302
1.4908
1.3360
1.1241
0.406
303
1.3693
1.2341
1.0502
0.412
306
0.5495
0.4943
0.4184
0.447
307
0.6495
0.5846
0.4954
0.477
308
0.4652
0.4224
0.3638
0.515
403
1.3286
1.1954
1.0128
0.486
502
0.6913
0.6193
0.5207
0.468
504
1.4947
1.3563
1.1689
0.409
507
2.1186
1.9338
1.6836
0.401
508
0.8573
0.7707
0.6525
0.361
509
0.6272
0.5619
0.4718
0.369
510
1.7101
1.5566
1.3487
0.414
511
0.9681
0.8724
0.7406
0.460
512
0.9268
0.8392
0.7195
0.455
513
0.6384
0.5752
0.4887
0.448
514
0.9120
0.8250
0.7050
0.467
516
1.0725
0.9683
0.8263
0.446
517
1.2906
1.1714
1.0101
0.382
518
0.8269
0.7446
0.6311
0.420
519
0.9500
0.8543
0.7234
0.457
521
0.4467
0.4059
0.3503
0.453
601
0.3811
0.3430
0.2904
0.468
602
0.4873
0.4346
0.3620
0.405
603
0.5539
0.4969
0.4184
0.389
604
0.8061
0.7310
0.6286
0.443
606
0.4287
0.3851
0.3251
0.540
607
0.5812
0.5201
0.4368
0.507
608
0.3201
0.2858
0.2385
0.450
701
1.4681
1.3206
1.1188
0.366
803
0.4669
0.4189
0.3530
0.523
901
0.8269
0.7446
0.6311
0.420
1002
0.6140
0.5539
0.4719
0.436
1003
0.5296
0.4767
0.4044
0.492
1004
0.3114
0.2778
0.2315
0.477
1005
6.2942
5.6512
4.7781
0.417
1006
0.1667
0.1499
0.1268
0.528
1007
0.2357
0.2124
0.1806
0.452
1101
0.8929
0.8047
0.6847
0.471
1102
1.2289
1.1050
0.9366
0.412
1103
0.7955
0.7139
0.6026
0.472
1104
0.4789
0.4348
0.3743
0.481
1105
0.6170
0.5543
0.4684
0.495
1106
0.2927
0.2653
0.2276
0.538
1108
0.3485
0.3168
0.2732
0.500
1109
1.2721
1.1477
0.9790
0.443
1301
0.4882
0.4376
0.3684
0.492
1303
0.3082
0.2758
0.2314
0.539
1304
0.0162
0.0146
0.0124
0.506
1305
0.4126
0.3695
0.3105
0.487
1401
0.2174
0.1998
0.1763
0.472
1404
0.6156
0.5546
0.4719
0.512
1405
0.5290
0.4768
0.4051
0.506
1407
0.5343
0.4805
0.4073
0.528
1501
0.6503
0.5822
0.4891
0.490
1507
0.3889
0.3515
0.2999
0.517
1701
0.6012
0.5422
0.4618
0.442
1702
0.9373
0.8432
0.7142
0.322
1703
0.6434
0.5774
0.4874
0.400
1704
0.6012
0.5422
0.4618
0.442
1801
0.3401
0.3063
0.2600
0.418
1802
0.5441
0.4900
0.4160
0.418
2002
0.6175
0.5593
0.4798
0.470
2004
0.4401
0.3959
0.3346
0.552
2007
0.5783
0.5249
0.4523
0.456
2008
0.2979
0.2707
0.2337
0.511
2009
0.3105
0.2816
0.2419
0.522
2101
0.5008
0.4559
0.3944
0.501
2102
0.5599
0.5069
0.4345
0.481
2103
0.9189
0.8197
0.6847
0.563
2104
0.3180
0.2915
0.2548
0.555
2105
0.5345
0.4788
0.4021
0.527
2106
0.4602
0.4164
0.3566
0.502
2201
0.2875
0.2606
0.2242
0.523
2202
0.4658
0.4218
0.3614
0.467
2203
0.4343
0.3948
0.3404
0.525
2204
0.2875
0.2606
0.2242
0.523
2401
0.3739
0.3354
0.2831
0.453
2903
0.5528
0.5035
0.4362
0.508
2904
0.5663
0.5130
0.4398
0.425
2905
0.3874
0.3509
0.3009
0.515
2906
0.4135
0.3784
0.3296
0.483
2907
0.3759
0.3406
0.2920
0.531
2908
0.7728
0.7004
0.6001
0.524
2909
0.3367
0.3093
0.2722
0.455
3101
0.6317
0.5692
0.4833
0.490
3102
0.2285
0.2057
0.1740
0.461
3103
0.2970
0.2695
0.2320
0.438
3104
0.5190
0.4698
0.4022
0.517
3105
0.6847
0.6242
0.5407
0.495
3303
0.3069
0.2775
0.2371
0.521
3304
0.5563
0.5055
0.4361
0.514
3309
0.3402
0.3080
0.2641
0.502
3402
0.3902
0.3526
0.3008
0.506
3403
0.1123
0.1014
0.0862
0.490
3404
0.3728
0.3362
0.2857
0.531
3405
0.2345
0.2119
0.1806
0.492
3406
0.2339
0.2106
0.1786
0.566
3407
0.5908
0.5332
0.4545
0.459
3408
0.2031
0.1814
0.1518
0.544
3409
0.1489
0.1345
0.1150
0.550
3410
0.1489
0.1345
0.1150
0.550
3411
0.4186
0.3762
0.3180
0.472
3412
0.5104
0.4572
0.3843
0.448
3414
0.6158
0.5533
0.4682
0.488
3415
0.7434
0.6705
0.5713
0.477
3501
0.4588
0.4182
0.3622
0.495
3503
0.2597
0.2346
0.2003
0.518
3506
0.6425
0.5805
0.4957
0.444
3509
0.3523
0.3179
0.2707
0.540
3510
0.2936
0.2673
0.2311
0.499
3511
0.6319
0.5740
0.4949
0.463
3512
0.2959
0.2683
0.2298
0.565
3513
0.3682
0.3351
0.2894
0.514
3602
0.0853
0.0770
0.0655
0.533
3603
0.4042
0.3671
0.3163
0.483
3604
0.5747
0.5232
0.4523
0.473
3605
0.3902
0.3526
0.3008
0.506
3701
0.2285
0.2057
0.1740
0.461
3702
0.3007
0.2724
0.2334
0.502
3708
0.4795
0.4361
0.3768
0.469
3802
0.1691
0.1540
0.1334
0.482
3808
0.3233
0.2921
0.2494
0.474
3901
0.1238
0.1123
0.0963
0.581
3902
0.3951
0.3584
0.3080
0.537
3903
0.3081
0.2795
0.2403
0.537
3905
0.1130
0.1029
0.0890
0.566
3906
0.4060
0.3688
0.3180
0.521
3909
0.2234
0.2024
0.1735
0.555
4101
0.2075
0.1874
0.1600
0.519
4103
0.4630
0.4206
0.3629
0.497
4107
0.1648
0.1482
0.1255
0.502
4108
0.1326
0.1198
0.1024
0.533
4109
0.1649
0.1510
0.1320
0.496
4201
0.6307
0.5635
0.4714
0.443
4301
0.7521
0.6844
0.5919
0.525
4302
0.6180
0.5597
0.4799
0.501
4304
0.8942
0.8201
0.7199
0.505
4305
0.9181
0.8217
0.6901
0.497
4401
0.3069
0.2775
0.2371
0.521
4402
0.5520
0.4959
0.4190
0.522
4404
0.3571
0.3235
0.2773
0.496
4501
0.1486
0.1337
0.1134
0.578
4502
0.0521
0.0472
0.0403
0.485
4504
0.0965
0.0872
0.0744
0.589
4802
0.3687
0.3356
0.2906
0.507
4803
0.3432
0.3134
0.2721
0.557
4804
0.5007
0.4575
0.3984
0.518
4805
0.3307
0.3017
0.2619
0.525
4806
0.0978
0.0893
0.0775
0.588
4808
0.3888
0.3535
0.3054
0.463
4809
0.2323
0.2114
0.1828
0.490
4810
0.2048
0.1865
0.1614
0.559
4811
0.4203
0.3850
0.3365
0.517
4812
0.3904
0.3542
0.3047
0.506
4813
0.2007
0.1840
0.1607
0.559
4814
0.1112
0.1024
0.0903
0.557
4815
0.2287
0.2110
0.1869
0.571
4816
0.3113
0.2876
0.2551
0.513
4900
0.0921
0.0829
0.0701
0.452
4901
0.0337
0.0303
0.0255
0.476
4902
0.0833
0.0750
0.0637
0.524
4903
0.1388
0.1244
0.1049
0.535
4904
0.0137
0.0124
0.0105
0.556
4905
0.3162
0.2886
0.2509
0.551
4906
0.0923
0.0827
0.0695
0.543
4907
0.0523
0.0477
0.0411
0.599
4908
0.0765
0.0696
0.0598
0.578
4909
0.0306
0.0279
0.0239
0.578
4910
0.3862
0.3484
0.2966
0.496
4911
0.0452
0.0410
0.0350
0.442
5001
5.9922
5.4424
4.7016
0.358
5002
0.4835
0.4341
0.3661
0.523
5003
1.6646
1.4985
1.2734
0.394
5004
0.7760
0.7132
0.6289
0.402
5005
0.7130
0.6424
0.5463
0.382
5006
0.8863
0.7993
0.6811
0.360
5101
0.7391
0.6624
0.5576
0.443
5103
0.6605
0.5997
0.5161
0.503
5106
0.6605
0.5997
0.5161
0.503
5108
0.6685
0.5991
0.5041
0.534
5109
0.4075
0.3658
0.3079
0.491
5201
0.2495
0.2245
0.1897
0.547
5204
0.7556
0.6783
0.5730
0.423
5206
0.3409
0.3094
0.2664
0.416
5207
0.1270
0.1154
0.0994
0.547
5208
0.5469
0.4955
0.4247
0.482
5209
0.5095
0.4586
0.3882
0.492
5300
0.0813
0.0731
0.0617
0.559
5301
0.0268
0.0242
0.0208
0.490
5302
0.0071
0.0064
0.0054
0.528
5305
0.0377
0.0340
0.0289
0.545
5306
0.0362
0.0326
0.0277
0.582
5307
0.5701
0.5099
0.4278
0.500
5308
0.0778
0.0705
0.0604
0.570
6103
0.0799
0.0726
0.0624
0.585
6104
0.3379
0.3051
0.2601
0.545
6105
0.4142
0.3718
0.3135
0.480
6107
0.1138
0.1040
0.0898
0.637
6108
0.2375
0.2157
0.1853
0.576
6109
0.0897
0.0804
0.0675
0.519
6110
0.3512
0.3150
0.2652
0.520
6120
0.2498
0.2245
0.1898
0.514
6121
0.3333
0.2980
0.2496
0.525
6201
0.3870
0.3484
0.2955
0.493
6202
0.6428
0.5798
0.4929
0.521
6203
0.0951
0.0871
0.0759
0.620
6204
0.1294
0.1169
0.0999
0.571
6205
0.1606
0.1452
0.1240
0.526
6206
0.1822
0.1642
0.1393
0.576
6207
0.8689
0.7875
0.6774
0.489
6208
0.2261
0.2059
0.1782
0.594
6209
0.2433
0.2224
0.1934
0.539
6301
0.1059
0.0953
0.0808
0.473
6303
0.0425
0.0384
0.0325
0.520
6305
0.0828
0.0748
0.0636
0.578
6306
0.2847
0.2559
0.2162
0.554
6308
0.0485
0.0437
0.0371
0.495
6309
0.1723
0.1559
0.1333
0.535
6402
0.2271
0.2057
0.1761
0.571
6403
0.1252
0.1130
0.0962
0.577
6404
0.2731
0.2488
0.2155
0.533
6405
0.4830
0.4347
0.3686
0.501
6406
0.1254
0.1132
0.0962
0.577
6407
0.2397
0.2165
0.1847
0.528
6408
0.4742
0.4292
0.3678
0.478
6409
0.5203
0.4682
0.3969
0.490
6410
0.2731
0.2451
0.2067
0.539
6411
0.0408
0.0371
0.0321
0.538
6501
0.0921
0.0824
0.0692
0.564
6502
0.0235
0.0212
0.0180
0.507
6503
0.0670
0.0596
0.0495
0.536
6504
0.2478
0.2265
0.1968
0.592
6505
0.1475
0.1333
0.1136
0.640
6506
0.1127
0.1017
0.0866
0.552
6509
0.2172
0.1975
0.1701
0.577
6510
0.3003
0.2706
0.2302
0.385
6511
0.2383
0.2161
0.1858
0.544
6512
0.0765
0.0690
0.0590
0.471
6601
0.1552
0.1411
0.1218
0.511
6602
0.4895
0.4456
0.3861
0.509
6603
0.2571
0.2316
0.1964
0.555
6604
0.0682
0.0616
0.0525
0.556
6605
0.2249
0.2028
0.1718
0.549
6607
0.0869
0.0791
0.0684
0.536
6608
0.4075
0.3640
0.3044
0.400
6620
2.5436
2.2688
1.8865
0.572
6704
0.1217
0.1092
0.0920
0.592
6705
0.5904
0.5382
0.4661
0.573
6706
0.2113
0.1933
0.1685
0.512
6707
12.9247
11.6029
9.7842
0.664
6708
8.1066
7.5046
6.6810
0.485
6709
0.2098
0.1900
0.1625
0.548
6801
0.5706
0.5017
0.4073
0.557
6802
0.7085
0.6341
0.5324
0.552
6803
0.4198
0.3752
0.3141
0.374
6804
0.2387
0.2153
0.1830
0.557
6809
3.3970
3.0978
2.6741
0.564
6901
0.0175
0.0174
0.0166
0.787
6902
0.6801
0.6161
0.5296
0.411
6903
4.0915
3.7086
3.1895
0.343
6904
0.8427
0.7526
0.6291
0.473
6905
0.6377
0.5691
0.4744
0.509
6906
0.2495
0.2390
0.2247
0.619
6907
0.7113
0.6425
0.5478
0.539
6908
0.2901
0.2622
0.2238
0.483
6909
0.1013
0.0916
0.0780
0.528
7100
0.0170
0.0151
0.0127
0.537
7101
0.0185
0.0167
0.0142
0.461
7103
0.7816
0.6960
0.5791
0.498
7104
0.0197
0.0178
0.0152
0.500
7105
0.0149
0.0136
0.0116
0.517
7106
0.2552
0.2296
0.1947
0.582
7107
0.3151
0.2846
0.2427
0.564
7108
0.2190
0.1973
0.1675
0.603
7109
0.0861
0.0778
0.0665
0.520
7110
0.3404
0.3093
0.2673
0.412
7111
0.2822
0.2511
0.2083
0.476
7112
0.6411
0.5812
0.4992
0.539
7113
0.3686
0.3328
0.2839
0.547
7114
0.6813
0.6154
0.5250
0.585
7115
0.4734
0.4305
0.3716
0.557
7116
0.3673
0.3325
0.2851
0.456
7117
0.9906
0.8974
0.7694
0.511
7118
1.4155
1.2775
1.0893
0.500
7119
1.4197
1.2754
1.0793
0.489
7120
4.5901
4.1084
3.4501
0.497
7121
6.3024
5.7193
4.9320
0.352
7122
0.3328
0.3033
0.2632
0.514
7200
1.5951
1.4168
1.1738
0.477
7201
1.2905
1.1514
0.9619
0.494
7202
0.0219
0.0196
0.0165
0.527
7203
0.0873
0.0802
0.0699
0.586
7204
0.0000
0.0000
0.0000
0.500
7205
0.0000
0.0000
0.0000
0.500
7301
0.5527
0.5079
0.4470
0.465
7302
0.6644
0.6101
0.5366
0.437
7307
0.4695
0.4235
0.3609
0.555
7308
0.2313
0.2105
0.1816
0.581
7309
0.2294
0.2083
0.1791
0.585
7400
1.8343
1.6293
1.3498
0.477
Expected Loss Rates in Dollars Per Sq. Ft.
of Wallboard Installed
Class
2017
2018
2019
Primary Ratio
540
0.0161
0.0145
0.0124
0.458
541
0.0068
0.0061
0.0053
0.438
550
0.0264
0.0238
0.0205
0.385
551
0.0103
0.0093
0.0080
0.403
[Statutory Authority: RCW 51.16.035, 51.32.073, 51.18.010 and 51.04.020(1). WSR 20-24-094, § 296-17-885, filed 11/30/20, effective 1/1/21; WSR 19-24-029, § 296-17-885, filed 11/25/19, effective 1/1/20; WSR 18-24-073, § 296-17-885, filed 11/30/18, effective 1/1/19; WSR 17-24-041, § 296-17-885, filed 11/30/17, effective 1/1/18; WSR 16-24-014, § 296-17-885, filed 11/29/16, effective 1/1/17; WSR 15-24-103, § 296-17-885, filed 12/1/15, effective 1/1/16; WSR 14-24-084, § 296-17-885, filed 12/1/14, effective 1/1/15; WSR 13-24-073, § 296-17-885, filed 11/30/13, effective 1/1/14. Statutory Authority: RCW 51.16.035, 51.32.073, 51.08.010, and 51.04.020(1). WSR 12-24-048, § 296-17-885, filed 11/30/12, effective 1/1/13; WSR 11-24-026, § 296-17-885, filed 12/1/11, effective 1/1/12. Statutory Authority: RCW 51.16.035, 51.32.073, 51.18.010, and 51.04.020(1). WSR 11-04-069, § 296-17-885, filed 1/28/11, effective 2/28/11; WSR 09-24-086, § 296-17-885, filed 11/30/09, effective 1/1/10; WSR 08-24-074, § 296-17-885, filed 12/1/08, effective 1/1/09; WSR 07-24-046, § 296-17-885, filed 12/1/07, effective 1/1/08; WSR 06-24-054, § 296-17-885, filed 12/1/06, effective 1/1/07. Statutory Authority: RCW 51.04.020, 51.16.035, and 51.32.073. WSR 05-23-162, § 296-17-885, filed 11/22/05, effective 1/1/06; WSR 04-24-025, § 296-17-885, filed 11/23/04, effective 1/1/05. Statutory Authority: RCW 51.04.020, 51.16.035, 51.32.073, and 51.18.010. WSR 03-24-066, § 296-17-885, filed 12/1/03, effective 1/1/04. Statutory Authority: RCW 51.16.035, 51.32.073, 51.18.010, and 51.04.020(1). WSR 02-24-029, § 296-17-885, filed 11/27/02, effective 1/1/03. Statutory Authority: RCW 51.04.020, 51.16.035, 51.32.073, 51.18.010. WSR 01-23-061, § 296-17-885, filed 11/20/01, effective 1/1/02; WSR 00-23-101, § 296-17-885, filed 11/21/00, effective 1/1/01. Statutory Authority: RCW 51.16.035, 51.04.020. WSR 00-14-052, § 296-17-885, filed 7/1/00, effective 7/1/00. Statutory Authority: RCW 51.04.020, 51.16.035 and 51.32.073. WSR 99-24-055, § 296-17-885, filed 11/29/99, effective 12/31/99; WSR 98-24-094, § 296-17-885, filed 12/1/98, effective 1/1/99; WSR 97-24-062, § 296-17-885, filed 12/1/97, effective 1/1/98; WSR 96-24-063, § 296-17-885, filed 11/29/96, effective 1/1/97. Statutory Authority: RCW 51.16.035. WSR 96-12-039, § 296-17-885, filed 5/31/96, effective 7/1/96. Statutory Authority: RCW 51.04.020. WSR 95-23-080, § 296-17-885, filed 11/20/95, effective 1/1/96; WSR 94-24-007, § 296-17-885, filed 11/28/94, effective 1/1/95; WSR 93-24-114, § 296-17-885, filed 12/1/93, effective 1/1/94. Statutory Authority: RCW 51.04.020(1) and 51.16.035. WSR 92-24-063, § 296-17-885, filed 11/30/92, effective 1/1/93; WSR 91-24-053, § 296-17-885, filed 11/27/91, effective 1/1/92; WSR 91-12-014, § 296-17-885, filed 5/31/91, effective 7/1/91; WSR 90-24-042, § 296-17-885, filed 11/30/90, effective 1/1/91; WSR 90-13-018, § 296-17-885, filed 6/8/90, effective 7/9/90; WSR 89-24-051 (Order 89-22), § 296-17-885, filed 12/1/89, effective 1/1/90. Statutory Authority: RCW 51.04.020(1). WSR 89-16-001 (Order 89-07), § 296-17-885, filed 7/20/89, effective 8/20/89. Statutory Authority: RCW 51.16.035 and 51.04.020. WSR 88-24-012 (Order 88-30), § 296-17-885, filed 12/1/88, effective 1/1/89. Statutory Authority: RCW 51.16.035. WSR 88-12-065 (Order 88-05), § 296-17-885, filed 5/31/88; WSR 88-12-050 (Order 88-06), § 296-17-885, filed 5/31/88, effective 7/1/88; WSR 88-06-047 (Order 87-33), § 296-17-885, filed 3/1/88; WSR 87-24-060 (Order 87-26), § 296-17-885, filed 12/1/87, effective 1/1/88; WSR 87-12-032 (Order 87-12), § 296-17-885, filed 5/29/87, effective 7/1/87. Statutory Authority: RCW 51.04.020(1) and 51.16.035. WSR 86-24-042 (Order 86-41), § 296-17-885, filed 11/26/86. Statutory Authority: RCW 51.16.035. WSR 86-12-041 (Order 86-18), § 296-17-885, filed 5/30/86, effective 7/1/86; WSR 85-24-032 (Order 85-33), § 296-17-885, filed 11/27/85, effective 1/1/86; WSR 85-06-026 (Order 85-7), § 296-17-885, filed 2/28/85, effective 4/1/85; WSR 84-24-016 (Order 84-23), § 296-17-885, filed 11/28/84, effective 1/1/85; WSR 83-24-017 (Order 83-36), § 296-17-885, filed 11/30/83, effective 1/1/84; WSR 82-24-047 (Order 82-38), § 296-17-885, filed 11/29/82, effective 1/1/83; WSR 81-24-042 (Order 81-30), § 296-17-885, filed 11/30/81, effective 1/1/82; WSR 80-17-016 (Order 80-23), § 296-17-885, filed 11/13/80, effective 1/1/81. Statutory Authority: RCW 51.04.030 and 51.16.035. WSR 79-12-086 (Order 79-18), § 296-17-885, filed 11/30/79, effective 1/1/80. Statutory Authority: RCW 51.04.020(1) and 51.16.035. WSR 78-12-043 (Order 78-23), § 296-17-885, filed 11/27/78, effective 1/1/79, effective 1/1/80. Order 77-27, § 296-17-885, filed 11/30/77, effective 1/1/78; Emergency Order 77-25, § 296-17-885, filed 12/1/77; Order 77-10, § 296-17-885, filed 5/31/77; Order 76-36, § 296-17-885, filed 11/30/76; Order 76-18, § 296-17-885, filed 5/28/76, effective 7/1/76; Order 75-38, § 296-17-885, filed 11/24/75, effective 1/1/76; Order 74-40, § 296-17-885, filed 11/27/74, effective 1/1/75; Order 73-22, § 296-17-885, filed 11/9/73, effective 1/1/74.]
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