Guelph Utility Pole Company Limited

WESTERN RED CEDAR
Thuja plicata donn

Western Red Cedar, a thin sapwood western species, is available in both distribution and transmission lengths, treated with either CCA or pentachlorophenol. Cedar provides an extremely durable, climbable pole with a natural resistance to decay.

CSA Dimensions for Western Red Cedar Poles (Fiber Stress 39 MPa)
Class		H3	H2	H1	1	2	3	4	5	6	7
Minimum circumference at top, cm		84	79	74	69	64	58	53	48	43	38
Length of pole, ft	Groundline distance from butt, ft	Minimum circumference at 6 ft from butt, cm
20	4	-	-	-	86	81	75	70	64	59	55
25	5	-	-	-	95	89	83	77	71	66	61
30	5.5	-	-	-	103	97	90	84	77	71	66
35	6	-	124	117	110	103	96	90	83	77	71
40	6	139	131	124	117	110	102	95	88	81	-
45	6.5	146	138	131	123	115	107	100	92	85	-
50	7	152	144	136	128	120	112	104	96	-	-
55	7.5	158	150	142	133	125	117	108	-	-	-
60	8	164	155	147	138	130	121	112	-	-	-
65	8.5	169	160	152	143	134	125	116	-	-	-
70	9	174	165	156	147	138	128	119	-	-	-
75	9.5	179	170	160	151	142	132	-	-	-	-
80	10	184	174	165	155	145	135	-	-	-	-
85	10.5	188	178	169	159	149	139	-	-	-	-
90	11	192	182	172	162	152	142	-	-	-	-
95	11	196	186	176	165	155	-	-	-	-	-
100	11	200	189	179	168	158	-	-	-	-	-
105	12	204	193	183	172	161	-	-	-	-	-
110	12	207	196	186	175	164	-	-	-	-	-

ANSI Dimensions for Western Red Cedar Poles (Fiber Stress 6000 psi)
Class		H3	H2	H1	1	2	3	4	5	6	7
Minimum circumference at top, in.		33	31	29	27	25	23	21	19	17	15
Length of pole, ft	Groundline distance from butt, ft	Minimum circumference at 6 ft from butt, in.
20	4	-	-	-	33.5	31.5	29.5	27.0	25.0	23.0	21.5
25	5	-	-	-	37.0	34.5	32.5	30.0	28.0	25.5	24.0
30	5.5	-	-	-	40.0	37.5	35.0	32.5	30.0	28.0	26.0
35	6	-	48.0	45.5	42.5	40.0	37.5	34.5	32.0	30.0	27.5
40	6	53.5	51.0	48.0	45.0	42.5	39.5	36.5	34.0	31.5	-
45	6.5	56.0	53.5	50.5	47.5	44.5	41.5	38.5	36.0	33.0	-
50	7	58.5	55.5	52.5	49.5	46.5	43.5	40.0	37.5	-	-
55	7.5	61.0	57.5	54.5	51.5	48.5	45.0	42.0	-	-	-
60	8	63.0	59.5	56.5	53.5	50.0	46.5	43.5	-	-	-
65	8.5	65.0	61.5	58.5	55.0	51.5	48.0	45.0	-	-	-
70	9	67.0	63.5	60.0	56.5	53.0	49.5	46.0	-	-	-
75	9.5	68.5	65.0	61.5	58.0	54.5	51.0	-	-	-	-
80	10	70.5	67.0	63.0	59.5	56.0	52.0	-	-	-	-
85	10.5	72.0	68.5	64.5	61.0	57.0	53.5	-	-	-	-
90	11	73.5	70.0	66.0	62.5	58.5	54.5	-	-	-	-
95	11	75.0	71.5	67.5	63.5	59.5	-	-	-	-	-
100	11	76.5	72.5	69.0	65.0	61.0	-	-	-	-	-
105	12	78.0	74.0	70.0	66.0	62.0	-	-	-	-	-
110	12	79.5	75.5	71.5	67.5	63.0	-	-	-	-	-

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Guelph Utility Pole Company Limited
Box 154, R.R. #5, Guelph, Ontario, Canada, N1H 6J9
Tel: (519) 822-3901
Fax: (519) 822-5411
E-mail: info@guelphpole.com