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ENERGY AUSTRALIA11kV Tee & Stub Tee MIRP Resin Joints
July 2009
Training Presentation
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Introduction
This joint is suitable for connecting 11kV main
and branch cables of:
- 3 core polymeric cables,
- Single core polymeric cables,
- 3 core PILC cables,- Single core PILC cables
- 35 to 400 sqmm copper or aluminiumconductors.
- All joint kits are supplied as 3 phase kit.
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Introduction
This presentation provides a general guideline to perform
jointing of a MIRP joint.
In the event of inconsistency between this presentation
and the jointing instruction, the jointing instruction shallprevail.
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Kit Inspection
Read Jointing Instruction CAREFULLY before carry
out jointing.
Check all components are available and identified.
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Preparing Cables
Prepare cables
to dimensionsgiven on the
jointing
instruction
Support cables
at both ends
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Temporary Spacers
Add temporary spacers for:
- proper alignment with jointshell, and
- better support whenbending cables
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Preparing Cables
Abrade and clean cable
outer sheath
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Preparing Cables
Remove cable
outer sheaths
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Preparing Single Core Cables
1. Pack green putty
to form a roundand stop point atcable entry
2. Apply PVC tapeto pack green puttyaround cores
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XLPE Cable Termination of screen wires
Fold backscreen wires
Build up 3 coreswith spacer tape tomeet the I.D. of thecopper tube
2
1
3
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XLPE CABLE Earthing Kit
Tinned copper tube
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XLPE Cable Fitting Earthing Kit
Slide the tube over thespacer tape making sureit is a snug fit
Lay screenwires on
single layerover the tubeand secure byworm driveclamp
Trim off screen wires
1
2
3
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XLPE Cable Stress Control Tapes
Stress control tape
EPR insulating tape
Black mastic tape
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XLPE Cable Applying Stress Control Tapes
Apply:
1. stress control tape, then
2. EPR insulating tape andlastly,
3. black mastic tape on corescreen.
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PILC Cable Removing Lead Sheath
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PILC Cable Removing Core Screen
Tie temporarycotton binders atscreen offpositions and
remove screensper instruction
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PILC Cable Crepe Carbon Paper Tape
Crepe Carbon PaperStress Control Tapein vacuumed tin foilpack
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PILC Cable Applying Crepe Carbon Stress Control
Apply crepecarbon paperstress control tapeper instruction
1
2
3
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PILC Cable Applying Vanished Terylene Tape
2. Apply terylene tape on all cores,
starting as near as possible to thecrotch.
1. Ensure the applied terylenetape is tight and without anyceasing to eliminate voids.
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PILC Cable Earthing with Lead Sheath Clamp
Cut and bend leadsheath clamp perinstruction
1
2
3
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PILC Cable Lead Sheath Clamp
GroovedGrooved PlainPlain
Worm driveclamp
Torque limiter
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PILC Cable Lead Sheath Clamp
1. Apply the first wormdrive clamp to theshort section
2. Using a plain torque limiter,tighten the worm drive clamp until
the torque limiter head shears off.Discard and remove theremainder of the limiter
1
2
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Installing Mechanical Connectors
STOP !!!
Slide the red rubber housings over the singlecable cores prior to fitting the connectors
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Installing Mechanical Connectors
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Installing Mechanical Connectors
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Applying Grey Mastic on Transition Joints
Is the exposed conductor too wide?
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Centralizing the Red Rubber Housings
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Applying Mastic Tapes to PILC Lead Sheath
Apply grey mastic and blackmastic tapes as per instruction
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Fitting Aluminium Screen Cage
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Fitting Aluminium Screen Cage on Copper Tube
Tighten worm
drive clamps.
Ensurefingers are inflat contact
with the tube.
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Fitting Aluminium Screen Cage to Lead Sheath Clamp
1. Trim aluminium finger fingers
if required and put second wormdrive clamp on and tighten.Place GROOVED torque limiter,tighten and shear off.
2. Place PLAIN torquelimiter on the firstworm drive clamp andre-torque.
1
2
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Aluminium Screen Cage
Trim fingers ifnecessary
Tighten wormdrive clamps.
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Fitting Plastic Joint Shell
Cut breathingholes
Apply green puttyfor leak seal
Supportunderneath thejoint shell
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Mixing Compound
Read mixinginstructionCAREFULLY
DO NOTcontaminatemixture with
water
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Pouring Compound
Pour compoundsteadily
Use alternative
filling hole for thenext bucket
Pour the nextbucketimmediately afterthe previous one
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The Joint is completed
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Back Filling
WARNING !!!!!
Do not disturb the jointprior to setting of thecompound including:
Stepping on the cablesoutside the joint
Removing supports for
cables and joint shellBack filling
Rain
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WT-HENLEY MECHANICAL CONNECTORS
5544
332211
1. Connector
2. Parts
3. Gap
4 and 5. Shim sizes
1
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Earthing of Single Core PILC cable
1 2
3 4
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Earthing of Single Core PILC cable
5 6
7
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ARMOURED PILC CABLE
Wipe the armourwires for notmore than 40mmwide.
Clean anddegrease theearth wipe.
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ARMOURED PILC CABLE
Install lead sheath clamp andapply black mastic tape
2 3
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www.ipdgroup.com.au
1300 556 601
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