oregon public utility commission safety and reliability section jerry murray, manager bob sipler,...
TRANSCRIPT
![Page 1: Oregon Public Utility Commission Safety and Reliability Section Jerry Murray, Manager Bob Sipler, Utility Analyst What is an “Attachment”? … that’s easy!](https://reader033.vdocuments.net/reader033/viewer/2022051820/56649de45503460f94adbfe0/html5/thumbnails/1.jpg)
Oregon Public Utility Commission
Safety and Reliability SectionJerry Murray, Manager
Bob Sipler, Utility Analyst
What is an “Attachment”? … that’s easy!
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Attachment …
as defined by …
in relation to …
as used in/for
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This contract Notification requirements Permits Construction Strength and loading calculations Clearance requirements Inspection Programs Maintenance Annual Rental Fees Sanction applications
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Record keeping/Mapping Liability Emergency Response Marking and Identification Cost recovery Management Quality Control Code Compliance Removal of Facilities This Law/Rule/Policy/Code
?Are there exceptions stated?
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Specific Rules
ORS
OAR
NESC
OPUC PoliciesThis list is not “exhaustive”!
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ORS
757.270->.290 – Utility Reg. Generally
759.650->.675 – Telecommunications
758.010->.035 – Rights of Way
757.035 -- Safety (NESC)
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OAR 860-022-0055
Attachment to Poles owned by PU, TU, COU
860-022-0110->0240 Sanctions & Rental Reductions by PU, TU,
COU
860-024-0010 97 NESC adopted
NESC Rule 222 -- J.U. of Structures---Agreement
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Safety Provisions for Joint Use of Poles
Line Inspection Requirements for Utility Operators
Tree Clearance Policy
OPUC Policies
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Who’s responsible?
Can we figure out ONE way to do these things?
You want it done when!!!?
How can I
keep costs down?
Who sets standards?What are my liabilities?
Who pays?
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Not Defined? in NESC in some rules in your contract
1. Seizure by legal process2. Personally attached (fidelity)
(affectionate regard)3. Device attached to machine or
implement4. Physical connection by which one thing
is attached to another5. The process of physically attaching
Common usage – i.e. Websters!
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Attachment Regulation
(1) “Attachment” means any wire or cable for the transmission of intelligence by telegraph, telephone or television (including cable television), light waves, or other phenomena, or for the transmission of electricity for light, heat or power, and any related device apparatus, or auxiliary equipment, installed upon any pole or in any telegraph, telephone, electrical, cable television or communications right of way, duct, conduit, manhole or handhole or other similar facility or facilities owned or controlled, in whole or in part, by one or more public utility, telecommunications utility or consumer-owned utility.
757.270 Definitions for ORS 757.270 to 757.290. As used in ORS 757.270 to 757.290, unless the context requires otherwise:
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A physical item (wire, cable, related device, apparatus, or auxiliary equipment)
for: >transmission of intelligence by;- telegraph- telephone- TV/CATV- light waves- other phenomena
>transmission of electricity for;- light- heat- power
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Installed;- upon pole*
- in ROW of ___, ___, ___,, ___ or __ **
- in duct, conduit, handhole, manhole, or other similar facility*.
* owned or controlled by PU, TU, or COU.
** telegraph, telephone, electrical, cable television or communications
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Attachment Project
Any addition, modification or removal of any electric supply line, signal line, device,
apparatus, equipment, or structural member that materially changes the clearance,
mechanical, structural, or electrical characteristics of the joint-pole installation.
Maintenance replacements that do not modify the installation or affect other joint-pole users are intended to be exempted.
Safety Provisions for Joint-Use of Poles
(OPUC Policy)
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. . . that materially changes . . .
1 little telecom service3/8” – 50’ longtension 25 lbs (?)
??
?
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Ask some questions:
local conditions
loading zone
height of attachment
capacity of pole before/after
clearance problems
grade of construction
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Grade B or C or D or N
Tele PowerTele Power
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Ask some questions:
loading zone
grade of construction
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Storm Loading Map Rule 250BCombined Ice and Wind
Networking the WorldTM
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Ask some questions:
local conditions
loading zone
grade of construction
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Pole Loading
Longitudinal
Transverse
VERTICAL
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Conductor Loading
ice
conductor
wind force
weight
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Ask some questions:
local conditions
loading zone
height of attachment
grade of construction
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Loads on Line Supports
Vertical
Transverse
Angle Pull
TOP VIEW Tension
Tension
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Ask some questions:
local conditions
loading zone
height of attachment
capacity of pole before/after
grade of construction
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Pole Loading horizontal loads
conductor and cable tension wind on conductors, cables and
equipment vertical loads
weight of conductors, cables and equipment
longitudinal loads tension imbalance conductor and cable changes
eccentric loads equipment non-symmetrical configurations
secondary effects p-delta effects guy elongation
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Ask some questions:
local conditions
loading zone
height of attachment
capacity of pole before/after
clearance problems
grade of construction
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Now- add wind- add ice - ¼” radial (medium) - ½” radial heavy)
Conclusion . . . What’s “material”?
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The Structural Challenge
Existing Pole Loading
Pole Loading with Proposed Attachment
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So … What is an “attachment”
related to only joint-use of poles?
It depends on theContext !DefinitionsExceptionsAgreements
etc. etc. !
Parties must decide and agree!
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Agreement
Maintenance & Safety
Operating folks
Engineers
Designs
Attorneys
Contracts
$$ allocated fairly
Financial People
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Contacts:
John Wallace, Util. AnalystSafety & Reliability Section
Oregon Public Utility Commission
(503) 373-1016
Bob Sipler, Util. AnalystSafety & Reliability Section
Oregon Public Utility Commission
(503) 373-7451
Gary Putnam, Util. AnalystSafety & Reliability Section
Oregon Public Utility Commission
(503) 373-1832
Jerry Murray, ManagerSafety & Reliability Section
Oregon Public Utility Commission
(503) 378-6626