APPENDIX E STANDARD SPECIFICATIONS 

 Workmanship. All workmanship shall be of the best commercial grade. 



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Dimensions. The insulators shall be of the type and dimensions shown in the 

 drawing attached hereto, and made a part of these specifications. 



INSULATOR, 



Specifications 7 Design of Forestry Branch' standard split tree insulator 



8 Specifications for Cedar Poles 



Purchased poles not cut under the supervision of the Dominion Forestry Branch 

 shall be required to conform to the specifications of the Northern White Cedar Asso- 

 ciation if secured east of the Rocky mountains, or to those of the Western Red Cedar 

 Association if secured west of the Rocky mountains. For convenience and reference 

 extracts from these specifications are reprinted below: 



Northern White Cedar Association Specifications 



" Sizes, 4 in., 25 ft. and upwards. Above poles must be cut from live, growing 

 cedar timber, peeled, and reasonably well proportioned for their length. Tops must 

 he reasonably sound, must measure in circumference as follows: seasoned 1 4-in. poles, 

 12 in.; 5-in. poles, 15 in.; 6-in. poles, 1&J in,; 7-in. poles, 2 in. If poles are green, 

 fresh cut, or water-soaked, then 4-in. poles must measure 12 in.; 5-in. poles, 16 in.; 

 6-in. poles, 19i in. ; 7-in. poles, 22>f in. in circumference -at top end. Lengths may be 

 one-half inch, scant for each j5 ft. in length, and six inches long for any length from 

 20 ft, up. 



"One way sweep allowable not exceeding 1 in. for every 5 ft.; for example, in 

 a 25-ft. pole, sweep not to exceed 5 in., and in a 40-ft. pole, 8 in. Measurement for 

 sweep shall be taken as follows: That part of the pole when in the ground (6 ft.) not 

 being taken into account in arriving at sweep, tightly stretch a tape-line on the side 

 of the pole where the sweep is greatest from a point 6 ft., from the butt to the upper 



