Hendrix Spacer Cable-2

7/30/2019 Hendrix Spacer Cable-2

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What is Spacer Cable?

Compact ConfigurationMultiple CircuitsSubstation ExitsLong Runs/less voltage drop

Covered ConductorWithstands temporary branch contactEliminates temporary faultsProtects wildlifeLess clearance issues

MessengerMechanical Strength

Long SpansPhysical Shield

Lightning Shield WireSystem Neutral

Greater ReliabilityLess Tree Trimming

Hendrix Spacer Cable


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4 Reasons to use Spacer Cable

Lower Project CostsLower Project Costs

Lower O&M CostsLower O&M Costs Public Relations andPublic Relations and GreenGreen

InitiativesInitiatives

Hendrix Support ServicesHendrix Support Services


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Lower Project Costs: Under builds

Bare wire under buildBare wire under build

Change out every poleChange out every pole cost of $3k eachcost of $3k each

Taller polesTaller poles cost $200 additional eachcost $200 additional each

Transfer existingTransfer existing cost of $50k/milecost of $50k/mile

Transfer communicationsTransfer communications cost $10k/milecost $10k/mile

Spacer under buildSpacer under build

NO pole change outsNO pole change outs NO Transfer costsNO Transfer costs

Savings of $75Savings of $75 -- $175k/mile$175k/mile


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Double circuit Bare Wire Transmission

under build

1 or 2 intermediate poles per span at

cost of $3k each

Intermediate poles require additional

R/W requirements cost ??$

Some Transmission pole change outs cost $10k each

Double circuit spacer transmissionDouble circuit spacer transmission

under buildunder build

NO intermediate polesNO intermediate poles NO transmission pole change outsNO transmission pole change outs

NO R/W requirementsNO R/W requirements

SPACER cable option is $75SPACER cable option is $75 --

$100k less per mile than bare wire$100k less per mile than bare wire

Lower Project Costs: Under builds


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Lower Project Costs: Back up feed

to Hospital

URDURD directionaldirectionalboring, Road crossings,boring, Road crossings,urban obstaclesurban obstacles costcost$2MM$2MM

Bare Wire: Not anBare Wire: Not anoption, narrow routeoption, narrow routethrough heavilythrough heavily

treed/park areas.treed/park areas. Spacer: Savings $1.5MMSpacer: Savings $1.5MM


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Lower Project Costs: Substation Exits

Bare wire exitBare wire exit

Separate pole line for eachSeparate pole line for eachcircuitcircuit

1 acre additional real estate1 acre additional real estate

Reliability risk at feedersReliability risk at feeders

Dip poles in sub for clearanceDip poles in sub for clearance

issuesissues

Spacer Cable ExitSpacer Cable Exit

3 circuits on one pole line3 circuits on one pole line

No dip polesNo dip poles

Less real estateLess real estate

Reliable feedersReliable feeders

Cost Savings = $75Cost Savings = $75 -- $150k$150k


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Lower Project Costs: Additional Sub exit

Bare wire cost estimate $300k (converting to triple circuit)Bare wire cost estimate $300k (converting to triple circuit)

Spacer Cable Under build: Project came in at < 30% of originalSpacer Cable Under build: Project came in at < 30% of original

budgetbudget


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Lower Project Costs: Improving Reliability

Worst performing circuit even afterWorst performing circuit even afterconverting toconverting to treetree wire.wire.

Option 1Option 1 URDURD cost $2MMcost $2MM heavy tree casualtiesheavy tree casualties

Option 2Option 2 tree trimmingtree trimming -- $600k$600k

short term fix with public resistanceshort term fix with public resistance

Option 3Option 3: Spacer Cable: Spacer Cable NO tree trimmingNO tree trimming

Good Public relationsGood Public relations

Total cost < $500kTotal cost < $500k

NowNow

best performing circuitbest performing circuit


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Lower Project Costs: Improving Reliability

Poor performingPoor performing

circuit alongcircuit along

busy, narrowbusy, narrow

road with littleroad with littleR/W spaceR/W space

Option 1Option 1 URDURD

Cost $1MMCost $1MM Option 2Option 2

Spacer Cable,Spacer Cable,

SignificantSignificant

improvement inimprovement inreliabilityreliability

Cost $300kCost $300k


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Lower Project Costs: Power Plant

1212circuitscircuits

CostCost

$2MM$2MM

URDURD

optionoption

$7MM$7MM


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Lower Project Costs: Power plant exits in urban setting

Bare Wire not feasibleBare Wire not feasible

Triple circuit through alleywayTriple circuit through alleyway

Savings over URD option = several million $$Savings over URD option = several million $$


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Lower Project Costs: 4kV conversion to 15kV

Bare wire presented NESCBare wire presented NESC

clearance issuesclearance issues

URD estimate = $4MMURD estimate = $4MM Spacer = $300k totalSpacer = $300k total

Converted in 4 weekendsConverted in 4 weekends


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Lower Project Costs: lake crossing

Option 1Option 1

submarine cablesubmarine cable

cost $1MMcost $1MM Option 2Option 2 buildbuild

around shorelinearound shoreline

cost $800kcost $800k

Option 3Option 3 -- SpacerSpacer

cable 1,600cable 1,600 spanspan

cost $75kcost $75k


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Lower Project Costs

The cost of covering the cable can be easilyThe cost of covering the cable can be easilyoffset with real world concerns such asoffset with real world concerns such as

ROW acquisition concerns, project approvalROW acquisition concerns, project approval

costs, reduced need for poles, less clearancecosts, reduced need for poles, less clearanceissues, and more direct routes.issues, and more direct routes.


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Lower O&M

Costs


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Lower O&M Costs: Reduced Outages

TemporaryTemporaryTree contactTree contactdoes notdoes notcause outagescause outages

SystemSystemstrength keepsstrength keepsthe circuitthe circuitoperatingoperating

Wildlife willWildlife willnotnot shortshortoutout thethesystemsystem


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Lower O&M Costs: reduced outages

024

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T

ree

A

nimal

L

ightning

O

ther

Open Wire

Spacer Cable

Spacer Cable reduces non equipment related outages by 75%


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Lower O&M Costs: Less Tree Trimming

Conventional Bare Wire Hendrix Spacer Cable

Compact construction, placement flexibility, and the ability to withstand

temporary ground contact reduces the amount of branches that must betrimmed and extends trim cycles. Savings = 50%-80%


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Lower Operating Costs: Voltage Drop Problem

Long runLong run start upstart upvoltage problem withvoltage problem withlarge electric motorlarge electric motor

Option 1Option 1-- rereconductor withconductor with954kcmil bare wire954kcmil bare wire

VoltageVoltagefluctuation =fluctuation =6.97%6.97%

MinimumMinimumVoltage = 112.7Voltage = 112.7

Option 2Option 2 spacerspacer

VoltageVoltagefluctuation =fluctuation =4.79%4.79%

MinimumMinimumvoltage = 116.9voltage = 116.9


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Lower O&M costs: Reduced Voltage DropThe close spacing of theThe close spacing of thephase conductors results inphase conductors results in

lower total line impedancelower total line impedanceand reduced voltage dropand reduced voltage drop


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Lower O&M Costs: $/mile

$?$?$?$?Reliability penaltiesReliability penalties

$5830$5830$1780$1780Total Annual SavingsTotal Annual Savings

$430$430$430$430Voltage drop (20%Voltage drop (20%

load)load)

$3000$3000$750$750OutagesOutages

$2400$2400$600$600Tree TrimmingTree Trimming

Worst 20%Worst 20%

of the circuitsof the circuitsTotalTotal

SystemSystem


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Public Relations and Green

InitiativesLess vegetation removal

Reduced Tree trimming

Less outagesImproved Aesthetics

Improved power quality

Wildlife protectionAvoiding sensitive areas

Lower Carbon Footprint

Recyclable material


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Public Relations: Power Quality

CableCable

coveringcoveringprotectsprotects

circuitcircuit

fromfrommomentarymomentary

outagesoutages


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Green Initiatives: Avoiding sensitive

areasThe ability to span long

distances makes it easy tocross freeways, lakes,

marshes, gorges, etc

Poles can be

placed tominimize

disruption to the

environment


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Green Initiatives:Protecting raptors and wildlife

Cable coveringCable covering

eliminates areaseliminates areas

where animals canwhere animals can

be electrocutedbe electrocuted

between phases orbetween phases or

phase and groundphase and ground


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All Hendrix polymerAll Hendrix polymercomponents are made ofcomponents are made of

100% No.2 HDPE100% No.2 HDPE

Recyclable PlasticRecyclable Plastic

Reducing your right of

way clearance by 20 feet

for one mile can result inup to 6.5 tons of carbon

dioxide being removed

from the atmosphere everyyear

Green Initiatives:


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Hendrix Support Services


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Spacer Cable AccessorySpacer Cable Accessorystock is maintained atstock is maintained atHendrixHendrix

Spacer Cable installationSpacer Cable installationequipment is availableequipment is availablefor rental or salefor rental or salefreefreeto first time usersto first time users

Hendrix will kit cable and

accessories for shipment to

the jobsite.Cut to length cable saves

installation time and

reduces scrap, saving 10%

or more on project costs.Inventory and

warehousing costs can be

eliminated, saving up to

17% of the cost of thematerial.


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Hendrix Support ServicesDesign SupportDesign Support: Hendrix will work: Hendrix will work

with your Engineers to help designwith your Engineers to help designyour Spacer Cable Systemyour Spacer Cable System--free.free.

Conductor sizing, pole loading,Conductor sizing, pole loading,layout, sag and tension, guying,layout, sag and tension, guying,protection, BOM, cost estimates,protection, BOM, cost estimates,and installation equipment needs.and installation equipment needs.

Training and Advisory Services. We

will work with your planners,

designers, line crews or contractors-

on line, in the classroom, or in thefield. First time users are provided

with on site installation advisory

services free of charge.


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Application FlyersApplication Flyers::Helps determine where Spacer Cable can addHelps determine where Spacer Cable can add

the most value on your systemthe most value on your system

Product CatalogProduct Catalog:: Details on each componentDetails on each component

Design GuideDesign Guide:: Technical information for the System DesignTechnical information for the System DesignEngineerEngineer

Installation Guides and VideoInstallation Guides and Video:: Step by step instructionsStep by step instructionson how to install a Spacer Cable Systemon how to install a Spacer Cable System

Construction DrawingsConstruction Drawings:: Standard pole top drawings withStandard pole top drawings withlayout dimensions and bill of materiallayout dimensions and bill of material--for putting directlyfor putting directlyinto your standards.into your standards.


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Design-Build full turnkey capabilities

Site evaluationSite evaluation

System designSystem design ConstructionConstruction

ManagementManagement

Quality AssuranceQuality Assurance

ProjectProject

ManagementManagementTake advantage of Hendrix 50+ years of Spacer

Cable design, application, and installation knowledge


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What is Spacer Cable?

Compact ConfigurationMultiple CircuitsSubstation ExitsLong Runs/less voltage drop

Covered ConductorWithstands temporary branch contactEliminates temporary faults

Protects wildlifeLess clearance issues

MessengerMechanical Strength

Long SpansPhysical Shield

Lightning Shield WireSystem Neutral

Greater ReliabilityLess Tree Trimming

Hendrix Spacer Cable


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Support documentation

Voltage drop:Voltage drop: See Brian Trager for calculations of voltage drop savings. He uSee Brian Trager for calculations of voltage drop savings. He used thesed theconductor size in the chart and assumed a 20% loadconductor size in the chart and assumed a 20% loadnote that the calculation is based on amperagenote that the calculation is based on amperage

so savings will go up with the square of the current.so savings will go up with the square of the current.

Tree Trimming: Assumes $1200/mile and a 50% savingsTree Trimming: Assumes $1200/mile and a 50% savings

Outages: Assumes a $2000 cost per outage (office, truck and creOutages: Assumes a $2000 cost per outage (office, truck and crew prep,w prep,

travel, on site, etc). Assumes 0.5 outages per mile per year antravel, on site, etc). Assumes 0.5 outages per mile per year and a 75%d a 75%reduction in outagesreduction in outages

Documents

Hendrix Spacer Cable-2