Guelph Utility Pole Company Limited

DOUGLAS FIR
(Pseudotsuga Menziesii)

Douglas Fir, a moderately thick sapwood species is available in distribution and transmission lengths, treated in CCA or pentachlorophenol. It provides a durable, climbable pole.

CSA Dimensions for Coastal Douglas Fir Poles (Fiber Stress 55 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	-	-	-	78	73	68	63	58	53	49
25	5	-	-	-	85	79	74	69	63	59	54
30	5.5	-	-	-	92	86	80	74	69	64	59
35	6	-	110	104	98	92	86	80	74	68	63
40	6	123	117	110	104	97	91	84	78	72	-
45	6.5	129	123	116	109	102	95	88	82	76	-
50	7	135	128	121	114	107	99	92	85	-	-
55	7.5	140	133	126	118	111	103	96	-	-	-
60	8	145	138	130	122	115	107	99	-	-	-
65	8.5	150	142	134	126	118	110	103	-	-	-
70	9	154	146	138	130	122	114	106	-	-	-
75	9.5	158	150	142	134	125	117	-	-	-	-
80	10	162	154	146	137	129	120	-	-	-	-
85	10.5	166	158	149	140	132	123	-	-	-	-
90	11	170	161	152	144	135	125	-	-	-	-
95	11	173	165	156	146	137	-	-	-	-	-
100	11	177	168	158	149	140	-	-	-	-	-
105	12	180	171	162	152	143	-	-	-	-	-
110	12	183	174	164	155	145	-	-	-	-	-

ANSI Dimensions for Douglas Fir Poles (both types) (Fiber Stress 8000 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	-	-	-	31.0	29.0	27.0	25.0	23.0	21.0	19.5
25	5	-	-	-	33.5	31.5	29.5	27.5	25.5	23.0	21.5
30	5.5	-	-	-	36.5	34.0	32.0	29.5	27.5	25.0	23.5
35	6	-	43.5	41.5	39.0	36.5	34.0	31.5	29.0	27.0	25.0
40	6	48.5	46.0	43.5	41.0	38.5	36.0	33.5	31.0	28.5	-
45	6.5	51.0	48.5	45.5	43.0	40.5	37.5	35.0	32.5	30.0	-
50	7	53.0	50.5	47.5	45.0	42.0	39.0	36.5	34.0	-	-
55	7.5	55.0	52.0	49.5	46.5	43.5	40.5	38.0	-	-	-
60	8	57.0	54.0	51.0	48.0	45.0	42.0	39.0	-	-	-
65	8.5	58.5	55.5	52.5	49.5	46.5	43.5	40.5	-	-	-
70	9	60.5	57.0	54.0	51.0	48.0	45.0	41.5	-	-	-
75	9.5	62.0	59.0	55.5	52.5	49.0	46.0	-	-	-	-
80	10	63.5	60.0	57.0	54.0	50.5	47.0	-	-	-	-
85	10.5	65.0	61.5	58.5	55.0	51.5	48.0	-	-	-	-
90	11	66.5	63.0	59.5	56.0	53.0	49.0	-	-	-	-
95	11	67.5	64.5	61.0	57.0	54.0	-	-	-	-	-
100	11	69.0	65.5	62.0	58.5	55.0	-	-	-	-	-
105	12	70.5	67.0	63.0	59.5	56.0	-	-	-	-	-
110	12	71.5	68.0	64.5	60.5	57.0	-	-	-	-	-

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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