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, 2020
Class
2016
2017
2018
Primary Ratio
101
0.7400
0.6571
0.5775
0.438
103
1.0630
0.9535
0.8528
0.433
104
0.6823
0.6081
0.5376
0.432
105
0.8320
0.7412
0.6551
0.503
106
2.1307
1.9093
1.7060
0.466
107
0.7343
0.6567
0.5830
0.412
108
0.6823
0.6081
0.5376
0.432
112
0.5148
0.4666
0.4228
0.408
201
1.3971
1.2488
1.1075
0.374
202
1.4944
1.3366
1.1869
0.375
210
0.6122
0.5482
0.4873
0.416
212
0.6653
0.5943
0.5269
0.421
214
1.1611
1.0320
0.9071
0.423
217
0.9036
0.8070
0.7161
0.452
219
0.6583
0.5860
0.5167
0.432
301
0.6738
0.6063
0.5445
0.471
302
1.5105
1.3340
1.1619
0.425
303
1.4383
1.2859
1.1437
0.415
306
0.5663
0.5025
0.4409
0.468
307
0.6570
0.5832
0.5122
0.485
308
0.4718
0.4225
0.3767
0.514
403
1.3967
1.2395
1.0891
0.488
502
0.7754
0.6852
0.5981
0.462
504
1.4481
1.3060
1.1776
0.423
507
2.2323
2.0248
1.8401
0.424
508
0.9229
0.8274
0.7379
0.373
509
0.6435
0.5733
0.5054
0.375
510
1.7700
1.6038
1.4556
0.410
511
1.0684
0.9476
0.8303
0.463
512
0.9547
0.8564
0.7652
0.454
513
0.6900
0.6143
0.5426
0.457
514
0.9904
0.8847
0.7840
0.473
516
1.0815
0.9680
0.8619
0.446
517
1.3800
1.2474
1.1281
0.392
518
0.8544
0.7619
0.6733
0.442
519
0.9451
0.8370
0.7332
0.473
521
0.4202
0.3783
0.3400
0.465
601
0.3698
0.3290
0.2896
0.470
602
0.4930
0.4359
0.3798
0.406
603
0.5229
0.4647
0.4084
0.414
604
0.8359
0.7474
0.6646
0.462
606
0.4404
0.3881
0.3372
0.546
607
0.5786
0.5096
0.4431
0.496
608
0.3234
0.2850
0.2473
0.459
701
1.3971
1.2488
1.1075
0.374
803
0.4661
0.4085
0.3522
0.537
901
0.8544
0.7619
0.6733
0.442
1002
0.6537
0.5855
0.5215
0.435
1003
0.5503
0.4877
0.4281
0.491
1004
0.3304
0.2901
0.2504
0.480
1005
6.3669
5.6532
4.9791
0.426
1006
0.1676
0.1473
0.1273
0.551
1007
0.2262
0.2015
0.1781
0.457
1101
0.8583
0.7632
0.6738
0.472
1102
1.2903
1.1475
1.0125
0.417
1103
0.8244
0.7285
0.6369
0.480
1104
0.4919
0.4408
0.3931
0.488
1105
0.5682
0.5026
0.4394
0.495
1106
0.2833
0.2534
0.2252
0.537
1108
0.3714
0.3325
0.2958
0.506
1109
1.2517
1.1142
0.9858
0.462
1301
0.4895
0.4312
0.3745
0.501
1303
0.3090
0.2693
0.2304
0.570
1304
0.0165
0.0146
0.0128
0.488
1305
0.4071
0.3583
0.3114
0.496
1401
0.2135
0.1950
0.1795
0.467
1404
0.5881
0.5202
0.4559
0.511
1405
0.5727
0.5049
0.4395
0.520
1407
0.4869
0.4286
0.3725
0.558
1501
0.6324
0.5566
0.4833
0.490
1507
0.4192
0.3722
0.3275
0.519
1701
0.6039
0.5338
0.4668
0.481
1702
1.0232
0.9198
0.8225
0.335
1703
0.6714
0.5977
0.5276
0.402
1704
0.6039
0.5338
0.4668
0.481
1801
0.3416
0.3047
0.2697
0.433
1802
0.5464
0.4875
0.4316
0.433
2002
0.6541
0.5863
0.5232
0.464
2004
0.4638
0.4081
0.3535
0.555
2007
0.5975
0.5359
0.4792
0.470
2008
0.2984
0.2663
0.2364
0.527
2009
0.3169
0.2814
0.2475
0.551
2101
0.5070
0.4549
0.4065
0.522
2102
0.7408
0.6495
0.5614
0.543
2104
0.3122
0.2809
0.2516
0.586
2105
0.4910
0.4338
0.3783
0.524
2106
0.4263
0.3816
0.3398
0.503
2201
0.2508
0.2244
0.2000
0.507
2202
0.4784
0.4284
0.3814
0.470
2203
0.4105
0.3695
0.3317
0.508
2204
0.2508
0.2244
0.2000
0.507
2401
0.3586
0.3182
0.2795
0.449
2903
0.5833
0.5233
0.4681
0.522
2904
0.5699
0.5113
0.4563
0.442
2905
0.3742
0.3343
0.2968
0.505
2906
0.3920
0.3552
0.3207
0.505
2907
0.3882
0.3463
0.3065
0.521
2908
0.7985
0.7170
0.6398
0.513
2909
0.3325
0.3016
0.2740
0.482
3101
0.6332
0.5601
0.4895
0.506
3102
0.2638
0.2343
0.2056
0.464
3103
0.3169
0.2850
0.2556
0.445
3104
0.5211
0.4623
0.4060
0.526
3105
0.6432
0.5778
0.5164
0.516
3303
0.3119
0.2766
0.2431
0.531
3304
0.5291
0.4729
0.4204
0.533
3309
0.3549
0.3168
0.2810
0.510
3402
0.3953
0.3511
0.3087
0.516
3403
0.1226
0.1095
0.0970
0.485
3404
0.3620
0.3197
0.2787
0.548
3405
0.2366
0.2110
0.1863
0.502
3406
0.2350
0.2069
0.1798
0.576
3407
0.5897
0.5231
0.4595
0.475
3408
0.1860
0.1624
0.1394
0.556
3409
0.1457
0.1292
0.1134
0.560
3410
0.1457
0.1292
0.1134
0.560
3411
0.4294
0.3810
0.3346
0.465
3412
0.4977
0.4391
0.3825
0.470
3414
0.5806
0.5155
0.4540
0.478
3415
0.6487
0.5807
0.5176
0.454
3501
0.4310
0.3872
0.3460
0.516
3503
0.2612
0.2331
0.2066
0.522
3506
0.6569
0.5897
0.5262
0.437
3509
0.3483
0.3081
0.2698
0.550
3510
0.2986
0.2674
0.2380
0.518
3511
0.6208
0.5553
0.4942
0.485
3512
0.3095
0.2741
0.2392
0.589
3513
0.3838
0.3471
0.3132
0.502
3602
0.0812
0.0719
0.0628
0.552
3603
0.4355
0.3918
0.3515
0.475
3604
0.5787
0.5222
0.4700
0.478
3605
0.3953
0.3511
0.3087
0.516
3701
0.2638
0.2343
0.2056
0.464
3702
0.3208
0.2870
0.2551
0.499
3708
0.5111
0.4555
0.4028
0.505
3802
0.1669
0.1499
0.1343
0.496
3808
0.3212
0.2862
0.2527
0.476
3901
0.1277
0.1132
0.0994
0.597
3902
0.4078
0.3644
0.3235
0.524
3903
0.3181
0.2843
0.2523
0.524
3905
0.1124
0.1003
0.0887
0.586
3906
0.4105
0.3671
0.3266
0.527
3909
0.2328
0.2077
0.1839
0.561
4101
0.2044
0.1819
0.1605
0.510
4103
0.4615
0.4110
0.3635
0.517
4107
0.1656
0.1459
0.1267
0.523
4108
0.1291
0.1147
0.1010
0.538
4109
0.1725
0.1565
0.1419
0.501
4201
0.6717
0.5889
0.5076
0.467
4301
0.7541
0.6775
0.6071
0.527
4302
0.6664
0.5928
0.5231
0.527
4304
0.8957
0.8103
0.7338
0.516
4305
0.9447
0.8250
0.7081
0.519
4401
0.3119
0.2766
0.2431
0.531
4402
0.5830
0.5122
0.4435
0.548
4404
0.3559
0.3168
0.2794
0.525
4501
0.1488
0.1312
0.1141
0.586
4502
0.0514
0.0457
0.0403
0.508
4504
0.1030
0.0906
0.0784
0.611
4802
0.3432
0.3082
0.2760
0.520
4803
0.3219
0.2890
0.2583
0.568
4804
0.4953
0.4468
0.4026
0.522
4805
0.3360
0.3009
0.2683
0.534
4806
0.0961
0.0859
0.0764
0.602
4808
0.3972
0.3557
0.3170
0.489
4809
0.2679
0.2405
0.2151
0.505
4810
0.1979
0.1772
0.1580
0.560
4811
0.4194
0.3791
0.3425
0.539
4812
0.3947
0.3517
0.3110
0.526
4813
0.1969
0.1771
0.1588
0.575
4814
0.1134
0.1030
0.0935
0.565
4815
0.2329
0.2115
0.1926
0.579
4816
0.3209
0.2934
0.2699
0.517
4900
0.0905
0.0805
0.0709
0.449
4901
0.0320
0.0284
0.0249
0.485
4902
0.0795
0.0702
0.0612
0.547
4903
0.1358
0.1193
0.1031
0.557
4904
0.0142
0.0126
0.0110
0.563
4905
0.3473
0.3112
0.2777
0.565
4906
0.0919
0.0804
0.0692
0.559
4907
0.0543
0.0485
0.0428
0.598
4908
0.0774
0.0693
0.0613
0.578
4909
0.0309
0.0278
0.0245
0.578
4910
0.3906
0.3467
0.3051
0.508
4911
0.0445
0.0401
0.0358
0.460
5001
6.0559
5.4799
4.9656
0.375
5002
0.4905
0.4315
0.3741
0.533
5003
1.6180
1.4399
1.2719
0.409
5004
0.7301
0.6655
0.6096
0.426
5005
0.6633
0.5934
0.5282
0.401
5006
0.9050
0.8148
0.7320
0.358
5101
0.7394
0.6548
0.5738
0.445
5103
0.6430
0.5780
0.5171
0.502
5106
0.6430
0.5780
0.5171
0.502
5108
0.6488
0.5712
0.4963
0.533
5109
0.4408
0.3893
0.3388
0.492
5201
0.2451
0.2171
0.1894
0.537
5204
0.7558
0.6705
0.5895
0.437
5206
0.3446
0.3095
0.2767
0.440
5207
0.1341
0.1196
0.1060
0.553
5208
0.5601
0.5003
0.4435
0.492
5209
0.4960
0.4397
0.3853
0.494
5300
0.0854
0.0748
0.0644
0.578
5301
0.0285
0.0255
0.0225
0.495
5302
0.0075
0.0066
0.0058
0.534
5305
0.0399
0.0351
0.0306
0.563
5306
0.0365
0.0324
0.0284
0.577
5307
0.5695
0.5001
0.4328
0.502
5308
0.0791
0.0700
0.0611
0.582
6103
0.0812
0.0721
0.0633
0.601
6104
0.3448
0.3045
0.2655
0.563
6105
0.3678
0.3260
0.2856
0.484
6107
0.1118
0.1004
0.0890
0.639
6108
0.2573
0.2296
0.2026
0.578
6109
0.0908
0.0799
0.0693
0.513
6110
0.3779
0.3335
0.2907
0.514
6120
0.2605
0.2292
0.1986
0.533
6121
0.2996
0.2635
0.2283
0.533
6201
0.3630
0.3213
0.2812
0.501
6202
0.6549
0.5782
0.5038
0.537
6203
0.0996
0.0894
0.0794
0.633
6204
0.1241
0.1098
0.0959
0.583
6205
0.1669
0.1483
0.1304
0.536
6206
0.1758
0.1549
0.1346
0.587
6207
0.9096
0.8145
0.7281
0.490
6208
0.2306
0.2053
0.1814
0.593
6209
0.2496
0.2247
0.2017
0.534
6301
0.0993
0.0875
0.0761
0.493
6303
0.0451
0.0400
0.0349
0.525
6305
0.0847
0.0747
0.0652
0.583
6306
0.2826
0.2477
0.2133
0.569
6308
0.0487
0.0431
0.0377
0.517
6309
0.1628
0.1444
0.1268
0.559
6402
0.2362
0.2090
0.1826
0.584
6403
0.1282
0.1132
0.0988
0.594
6404
0.2781
0.2487
0.2215
0.550
6405
0.4849
0.4292
0.3755
0.506
6406
0.1275
0.1124
0.0978
0.588
6407
0.2436
0.2161
0.1897
0.538
6408
0.4453
0.3972
0.3514
0.486
6409
0.5315
0.4718
0.4149
0.493
6410
0.2735
0.2403
0.2079
0.547
6411
0.0464
0.0416
0.0372
0.534
6501
0.0905
0.0790
0.0678
0.576
6502
0.0243
0.0215
0.0187
0.535
6503
0.0630
0.0550
0.0471
0.550
6504
0.2664
0.2383
0.2114
0.601
6505
0.1505
0.1324
0.1146
0.654
6506
0.1097
0.0972
0.0852
0.556
6509
0.2281
0.2032
0.1792
0.590
6510
0.3357
0.3013
0.2697
0.385
6511
0.2448
0.2176
0.1918
0.557
6512
0.0761
0.0677
0.0599
0.483
6601
0.1554
0.1387
0.1231
0.527
6602
0.4862
0.4357
0.3895
0.522
6603
0.2455
0.2173
0.1897
0.541
6604
0.0720
0.0637
0.0555
0.570
6605
0.2124
0.1884
0.1648
0.539
6607
0.0971
0.0866
0.0766
0.547
6608
0.4283
0.3786
0.3300
0.413
6620
2.5778
2.2419
1.9036
0.584
6704
0.1172
0.1027
0.0885
0.597
6705
0.5939
0.5305
0.4709
0.578
6706
0.2158
0.1953
0.1766
0.506
6707
12.4046
10.7263
9.0735
0.686
6708
7.9276
7.3252
6.8242
0.479
6709
0.2210
0.1958
0.1716
0.570
6801
0.5806
0.4948
0.4080
0.568
6802
0.7042
0.6156
0.5292
0.561
6803
0.4360
0.3879
0.3414
0.359
6804
0.2403
0.2126
0.1857
0.576
6809
3.5552
3.2088
2.8710
0.570
6901
0.0163
0.0163
0.0162
0.746
6902
0.7168
0.6426
0.5749
0.424
6903
4.4373
4.0302
3.6662
0.346
6904
0.8093
0.7077
0.6084
0.488
6905
0.5985
0.5219
0.4455
0.532
6906
0.2374
0.2250
0.2172
0.639
6907
0.7639
0.6729
0.5848
0.556
6908
0.3027
0.2698
0.2383
0.495
6909
0.0974
0.0863
0.0757
0.549
7100
0.0176
0.0155
0.0132
0.546
7101
0.0190
0.0170
0.0151
0.457
7103
0.7345
0.6379
0.5426
0.524
7104
0.0205
0.0182
0.0160
0.519
7105
0.0154
0.0136
0.0120
0.533
7106
0.2500
0.2191
0.1892
0.600
7107
0.2839
0.2532
0.2239
0.577
7108
0.1975
0.1735
0.1501
0.609
7109
0.0928
0.0825
0.0726
0.541
7110
0.3250
0.2932
0.2646
0.423
7111
0.2907
0.2544
0.2187
0.481
7112
0.6463
0.5740
0.5051
0.556
7113
0.3631
0.3220
0.2829
0.556
7114
0.6625
0.5837
0.5077
0.597
7115
0.4742
0.4214
0.3714
0.577
7116
0.3565
0.3207
0.2881
0.450
7117
1.0514
0.9386
0.8325
0.517
7118
1.4321
1.2732
1.1231
0.518
7119
1.3731
1.2056
1.0443
0.520
7120
4.7234
4.1252
3.5405
0.519
7121
5.3466
4.8456
4.3981
0.363
7122
0.3330
0.2988
0.2674
0.515
7200
1.4971
1.3085
1.1244
0.475
7201
1.2082
1.0547
0.9054
0.515
7202
0.0229
0.0203
0.0177
0.520
7203
0.0921
0.0837
0.0753
0.598
7204
0.0000
0.0000
0.0000
0.500
7205
0.0000
0.0000
0.0000
0.500
7301
0.5238
0.4764
0.4341
0.481
7302
0.7194
0.6527
0.5934
0.468
7307
0.4636
0.4093
0.3577
0.558
7308
0.2321
0.2086
0.1864
0.569
7309
0.2340
0.2075
0.1821
0.591
7400
1.7216
1.5048
1.2930
0.475
Expected Loss Rates in Dollars Per Sq. Ft.
of Wallboard Installed
Class
2016
2017
2018
Primary Ratio
540
0.0173
0.0155
0.0137
0.458
541
0.0068
0.0061
0.0054
0.453
550
0.0271
0.0242
0.0217
0.415
551
0.0113
0.0102
0.0093
0.392
[Statutory Authority: RCW 51.16.035, 51.32.073, 51.18.010, and 51.04.020(1). 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.]