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Federal Register / Vol. 86, No. 196 / Thursday, October 14, 2021 / Rules and Regulations 21 Bulletin 1728F700, RUS
Specification for Wood Poles, Stubs and Anchor Logs, September 9, 2021.

4. Amend 1728.201 by:
a. Adding paragraph b11;
b. Revising paragraphs d3
introductory text, d3i, h1, i2ii, and j4ii;
c. Adding paragraph j4v; and d. Revising paragraphs k1, k3
introductory text, and k3iv and v.
The additions and revisions read as follows:
1728.201 Bulletin 1728H701, Specification for Wood Crossarms Solid and Laminated, Transmission Timbers and Pole Keys.

b
11 Arm producers shall have and maintain liability insurance in the amount of $1 million. Evidence of
compliance to this requirement shall be forwarded to the RUS annually. The evidence shall be in the form of a certificate of insurance or a bond signed by a representative of the insurance company or Surety Bonding company and include a provision that no change in, or cancellation of, will be made without the prior written notice to the Chairman, Technical Standards Committee A Electric, 1400
Independence Ave. SW, Stop 1569, Washington, DC 202501569.

d
3 Knots. Well-spaced sound, firm, and tight knots are permitted.
i Slightly decayed knots are permitted, except on the top face, provided the decay extends no more than 34 of an inch into the knot and provided the cavities will drain water when the arm is installed. For knots to be considered well-spaced, the sum of
the sizes of all knots in any 6 inches of length of a piece shall not exceed twice the size of the largest knot permitted.
More than one knot of maximum permissible size shall not be in the same 6 inches of length. Slightly decayed, firm, or sound pin knots 38 of an inch or less are not considered in size, spacing, or zone considerations.

h
1 Creosote, water-borne preservatives, pentachlorophenol, DCOI, and copper naphthenate shall conform to the requirements of AWPA U1
incorporated by reference at 1728.97.
Oxide formulations of waterborne preservatives shall be supplied. If CCA
is the selected preservative, CCAC
shall be the type required.

i
2

ii Heating in Preservative

j
4

Preservative
Retention pcf

ii Pentachlorophenol

v DCOI

1 0.4/0.36

0.13

1 If the copper pyridine method is used when timbers may have been in contact with salt water, a penta retention of 0.36 pcf is required for all species native to the Pacific Coast region.

lotter on DSK11XQN23PROD with RULES1

k
1 Before treatment, arms shall be legibly branded hot brand or diestamped to a depth of approximately 116
of an inch, with the top of the brand oriented to the top of the arm. The brand shall be placed on either of the wide surfaces of the arm, approximately one foot from the midpoint of the piece.

3 The brand or die-stamp shall include:

VerDate Sep<11>2014

16:23 Oct 13, 2021

Jkt 256001

iv Preservative C for creosote, DA
for DCOI, PA for penta, SK for CCA, SZ
for ACZA, N for Copper Naphthenate;
and v Required retention. An example of required retention is: M616
ManufacturerMonthYear and DF
PA.4 Douglas-firpenta treated.40
pcf retention.

5. Amend 1728.202 by:
a. Revising paragraphs b10 and d;
b. In paragraph e5:
i. Removing the superscript 1 in the fifth table heading; and ii. Redesignating footnote 1 to table 2
as note 2 to table 2 and revising newly redesignated note 2;
c. Revising paragraph e7; and d. Redesignating paragraph g2 as paragraph g3 and adding a new paragraph g2.
The revisions and addition read as follows:
1728.202 Bulletin 1728H702, Specification for Quality Control and Inspection of Timber Products.

b
10 Inspection agencies shall maintain their own properly equipped
PO 00000

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57021

Max. time hours
Temperature
3

210 F

laboratory that, at a minimum, is able to run the referee methods listed in table 1 to this paragraph b10 for retention analysis for all preservatives being inspected. This laboratory shall be independent from any treating plant laboratory. Inspection Agencies may use one central laboratory. All XRF units maintained by third party inspection agencies as part of their RUS required laboratories shall be calibrated at least quarterly by said agency utilizing the referee method for each preservative treatment being analyzed or via comparison with a set of graduated treated wood standards. Each agency shall keep an up-to-date written record of these quarterly calibration results.
AWPA A83 or AWPA A9 incorporated by reference at 1728.97 shall be followed for Pentachlorophenol testing, AWPAA30 or AWPA A9 incorporated by reference at 1728.97 shall be followed for DCOI testing, AWPA A6
incorporated by reference at 1728.97
shall be followed for Creosote testing, and AWPA A9 incorporated by reference at 1728.97 shall be followed for XRF, as illustrated in the following table:

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