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LPI ® Direct Strike Products Guardian TM System 5

LPI Direct Strike Products - Maclean Electrical€¦ · LPI® Upper Termination Kit LPI®‘s Upper Termination Kit is designed for use with the LPI HVSC down-conductor. The LPI High

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Page 1: LPI Direct Strike Products - Maclean Electrical€¦ · LPI® Upper Termination Kit LPI®‘s Upper Termination Kit is designed for use with the LPI HVSC down-conductor. The LPI High

LPI ® Direct Strike Products

GuardianTM

System 5

Page 2: LPI Direct Strike Products - Maclean Electrical€¦ · LPI® Upper Termination Kit LPI®‘s Upper Termination Kit is designed for use with the LPI HVSC down-conductor. The LPI High

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 2

Product Description LPI

® offers a family of air terminals and accessories. Our product design is based on the most recent

advances in lightning research whilst maintaining proven principles associated with the successes of the past. LPI

® Guardian System 5 provides a purpose-designed package for direct lightning protection. The

Guardian System 5 has been tested in compliance to IEC Test Standard: IEC 60-1:1989. 1. A Family of LPI

® CAT (Controlled Advanced Triggering) series air terminals.

2. A Fibreglass Reinforced Plastic (FRP) mast. 3. A purpose-designed High Voltage Shielded Cable (HVSC). 4. A lightning strike recorder (LSR). 5. An earthing system which consists of Earth rods, Clamps, Copper tapes and Ground resistance

improvement powder (GRIP).

Key Benefits

Blunt finial tip which minimizes corona effect.

4 electrically isolated panels.

High Voltage connection at the base.

Triggering procedure allows the initiation of an intercepting streamer.

CAT Principles 1. A Guardian CAT terminal consists of a grounded blunt lightning rod surrounded by an electrically

floating medium. Rounded or blunt tips have proven to be more efficient than sharp points by producing minimal corona effect. This has been clearly proven in tests conducted at South Baldy Peak in the Magdalena Mountains of central New Mexico, USA. (Source: “The Measurement of Lightning Rod Responses to Nearby Strikes” by C.B. Moore, G.D. Aulich, and W. Rison/ May 2001)

2. During the static thunderstorm phase when the electric fields are steady at around 5-15 kV/m and

even in the very early stages of leader approach, the medium presents as a relatively low field intensification surface due to the blunt configuration of the finial tip. This restricts the production of “corona” or “point discharge” ions and is critical because excessive production of ions (corona) results in a “space charge cloud” above the air terminal which masks the electric field at the tip of the terminal when the leader eventually approaches within range.

3. The Guardian CAT terminal is comprised of four separate electrically isolated panels arranged to allow

the section facing the step leader to rise in voltage due to a capacitive coupling effect. Because the CAT terminal is essentially isolated from the ground potential, the electric field increases as the discharge approaches closer to the panel facing the step leader. It then experiences repeated pulsing until this section (panel) rises in voltage to the point when a triggering arc is generated at precisely the right time, which in turn initiates the streamer, which connects with the approaching down leader.

4. This triggering arc creates two key effects. First it produces a large number of ions which are needed

to initiate an upward leader. Secondly it causes a large snap change in the electric field immediately above the air terminal which provides the necessary “kick” for the inception of an early, stable, prop-agating upward leader. The initiation of such advanced triggering results in the approaching leader being intercepted earlier, which ensures a larger protective area around the Guardian CAT terminal.

LPI®

Guardian System 5

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 3

LPI® Product Range

SECTION PAGE LPI PRODUCTS

A 9, 10 LPI® GUARDIAN

TM TERMINAL

B 11 LPI® UPPER TERMINATION KIT

C 11 LPI® FRP SUPPORT MAST

D 12 LPI® INLINE COUPLING

E 12 LPI® GUY KIT

F 13 LPI® GUY RING

G 13 LPI® LOWER MAST ASSEMBLY

H 13 LPI® SADDLES FOR CANTILEVERING MAST

I 14 LPI® U-BOLT

J 14 LPI® HIGH VOLTAGE SHIELDED CABLE

K 14 LPI® CABLE TIES

L 15 LPI® SADDLES AND FIXINGS

M 15 LPI® BEAM CLAMP AND CABLE SUPPORT

N 15 LPI® LIGHTNING STRIKE RECORDER

O 16 LPI® LOWER TERMINATION KIT

P 16, 17 LPI® EARTHING SYSTEM

Q 17 LPI® INSPECTION PIT

R 18 LPI® GROUND RESISTANCE IMPROVEMENT POWDER

CATCALC Software Design LPI

® uses a CAD based software design program “CATCALC” to customize a cost effective and safe

lightning protection solution for any structure. The “CATCALC” program considers factors such as thunder days per year, height above sea level, level of protection desired/recommended (Standard - High - Very High), Physical dimensions of the structure and building materials used. Competing features (which have the ability to create streamer development) are tak-en into consideration during the design process. A customized “CATCALC” design will provide to the end customer a design report encompassing elevation, plan and side views of the proposed lightning protection installation along with a detailed bill of materials for all required accessories.

Risk Assessment In accordance with Australian Standard (AS1768) all “CATCALC” designs are subjected to a site risk assessment to determine the perceived risk from a lightning strike. The risk assessment considers the following.

Usage and contents of the structure(s)

Construction materials of the structure(s)

Height of the structure(s)

Situation at site - Flat ground or elevated above sea level

Average thunder days per annum

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 4

Installation type 1 illustrates a Guardian System 5 installed on a building roof top (flat roof).

Installation Type 1

Please refer to page 19 for recommended earthing installation

Page 5: LPI Direct Strike Products - Maclean Electrical€¦ · LPI® Upper Termination Kit LPI®‘s Upper Termination Kit is designed for use with the LPI HVSC down-conductor. The LPI High

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 5

Installation type 2 illustrates a Guardian system 5 cantilevered to the side wall of a building.

Installation Type 2

Please refer to page 19 for recommended earthing installation

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 6

Installation Type 3

Installation type 3 illustrates a Guardian system 5 cantilevered to the top section of a tower.

Please refer to page 19 for recommended earthing installation

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 7

Installation Type 4

Installation type 4 illustrates a Guardian system 5 installed on a building roof top (flat roof) or at ground level. Note: Multiple guying kits are utilized due to increased mast height.

Please refer to page 19 for recommended earthing installation

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 8

Installation Type 5

Installation type 5 illustrates typical mounting arrangement for cantilevered GI style CAT Terminal.

Please refer to page 19 for recommended earthing installation

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 9

LPI® Guardian CAT Terminals (Gold)

LPI

®’s range of Guardian CAT Terminals are Controlled Advanced Triggering devices which intercept light-

ning discharges and attaches them to a preferred point. The CAT Terminal has been designed to emit a “streamer” of energy at precisely the right time so that an approaching “leader” is intercepted and brought under control. All Guardian CAT Terminals have been tested in compliance to IEC test standard: IEC 60-1:1989.

Ordering Code CAT I - G CAT IGI - G

Description: Guardian CAT Terminal, Gold, Model I

Sphere Dimensions: 106mm (Diameter), 140mm (Height)

Panel Material: Anodised Aluminium

Terminal Colour: Gold

Weight: 1.65kg

Operation: Spark Gap

Insulation Material: UV Rated Evoprene

Down Conductor Connection: Lug connection GI connector

Ordering Code CAT II - G CAT IIGI - G

Description: Guardian CAT Terminal, Gold, Model II

Sphere Dimensions: 160mm (Diameter), 210mm (Height)

Panel Material: Anodised Aluminium

Terminal Colour: Gold

Weight: 2.35kg

Operation: Spark Gap

Insulation Material: UV Rated Evoprene

Down Conductor Connection: Lug connection GI connector

Ordering Code CAT III - G CAT IIIGI - G

Description: Guardian CAT Terminal, Gold, Model III

Sphere Dimensions: 210mm (Diameter), 280mm (Height)

Panel Material: Anodised Aluminium

Terminal Colour: Gold

Weight: 3.5kg

Operation: Spark Gap

Insulation Material: UV Rated Evoprene

Down Conductor Connection: Lug connection GI connector

Section A

Recommended for low to medium risk structures which do not exceed 100 metres in height.

Recommended for low risk structures which do not exceed 30 metres in height.

Recommended for all high risk environments including structures exceeding 100 metres in height.

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 10

LPI® Guardian CAT Terminals (Stainless Steel) LPI®’s range of Guardian CAT Terminals are Controlled Advanced Triggering devices which intercept lightning discharges and attaches them to a preferred point. The CAT Terminal has been designed to emit a “streamer” of energy at precisely the right time so that an approaching “leader” is intercepted and brought under control. All Guardian CAT Terminals have been tested in compliance to IEC test standard: IEC 60-1:1989.

Ordering Code CAT I - SS CAT I - SS - GI

Description: Guardian CAT Terminal, Stainless Steel, Model I

Sphere Dimensions: 106mm (Diameter), 140mm (Height)

Panel Material: Stainless Steel

Terminal Colour: Silver

Weight: 1.78kg

Operation: Spark Gap

Insulation Material: UV Rated Evoprene

Down Conductor Connection: Lug connection GI connector

Ordering Code CAT II - SS CAT II - SS - GI

Description: Guardian CAT Terminal, Stainless Steel, Model II

Sphere Dimensions: 160mm (Diameter), 210mm (Height)

Panel Material: Stainless Steel

Terminal Colour: Silver

Weight: 2.5kg

Operation: Spark Gap

Insulation Material: UV Rated Evoprene

Down Conductor Connection: Lug connection GI connector

Recommended for low to medium risk structures which do not exceed 100 metres in height.

Recommended for low risk structures which do not exceed 30 metres in height.

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 11

Ordering Code UTERMKIT-MK2

Description: Upper Termination Kit Mark 2

Maximum Voltage: 280kV 1.2/50μs impulse

Operating Temperatures: - 20°C to + 85°C

Pack Dimensions: 70mm x 70mm x 1250mm

Weight: 0.75kg

Contents: Instruction, Semi-conducting tape, Crimp Lug, Heat Shrink Tube, Insulated Friction Cutting

Tool, Insulation Tape

LPI® FRP Support Mast LPI

®‘s Fibreglass reinforced pole (FRP) mast is an insulated and water resistant mounting pole which is

designed to provide the necessary electrical isolation and mounting strength at the position where the high voltage upper termination between the High Voltage Shielded Cable (HVSC) downconductor and LPI CAT terminal is completed.

Description Fibreglass Reinforced Pole (FRP)

Colour: Black

Material : Fibreglass

Construction Type: Pre-Impregnated Reinforced Epoxy Resin Laminate (Flame Retardant)

Resin Tensile Strength: 70 MPa

Resin Tensile Modulus: 2.9 GPa

Resin Tensile Strain: 2.7%

Resin Poisson Ratio: 0.35

Ordering Code Weight Dimensions

FRP-2M 2.7kg Length 2000mm, Outer diameter 68mm, Inner diameter 60mm

FRP-3M 4.0kg Length 3000mm, Outer diameter 68mm, Inner diameter 60mm

FRP-4M 5.3kg Length 4000mm, Outer diameter 68mm, Inner diameter 60mm

FRP-4.6M 6.2kg Length 4600mm, Outer diameter 68mm, Inner diameter 60mm

LPI® Upper Termination Kit

LPI

®‘s Upper Termination Kit is designed for use with the LPI HVSC down-conductor. The LPI High Voltage

Shielded Cable is an insulated downconductor used to safely convey lightning currents from an air terminal to a dedicated lightning earth termination, while avoiding galvanic conduction to the structure being protected. The Upper Termination Kit provides all accessories for the High Voltage termination of the HVSC downconductor to the Guardian CAT Terminal. The LPI

® UTERMKIT-MK2 has been tested in compliance

with IEC 600601, 2nd Edition, 1989-11.

Section B

Section C

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 12

LPI® Inline Coupling LPI

®’s Inline Coupling is a purpose designed coupling which allows for the clamping of the FRP mast to the

Aluminium lower mast. The inline coupling provides 3 Guy anchoring points and provides an exit point for the HVSC.

Ordering code ILCOUPLING

Description: Inline Coupling

Material: Cast Aluminium

Dimension: 550mm x 150mm x 120 mm

Weight: 2.5 kg

Anchoring Points: 3

Max. Clamping Torque: 55kg/cm

Section D

Section E

LPI® Guy Kit LPI

®‘s non conductive guy kits are provided in variable lengths to suit specific mast and terminal heights. The

purpose designed guying kits are designed for anchoring from a guy ring or an inline coupling.

Ordering Code GUYKIT-4M GUYKIT-7M

Description: Stainless Steel fittings and non conductive synthetic guy wire kits

Material: PVC coated, fibre glass core, non conductive, UV stabilised, stretch proof, corrosion and ice proof synthetic

Application: Designed to provide additional stabilizing/securing of mast arrangement where deemed necessary

Diameter: 4mm

Tensile yield strength: 560kg

Weight: 0.5kg 0.8kg

Ordering Code GUYKIT-4M-SS GUYKIT-7M-SS

Description: Stainless Steel guy wire kits

Material: Stainless Steel, Grade 316

Application: Designed to provide additional stabilizing/securing of mast arrangement from the inline coupling only

Diameter: 3.2mm

Tensile yield strength: 450kg

Weight: 0.75kg 1.2kg

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 13

LPI® Lower Mast Assembly LPI

®’s uses Aluminium Mast as the lower mast assembly due to it’s high strength and light weight

characteristics.

Section G

Length 3 Metre 4 Metre 5 Metre 6 Metre

Weight: 7kg, 8kg (with base)

9kg, 10kg (with base)

11.7kg, 12.7kg (with base)

14.4kg, 15.4kg (with base)

Normal: ALUM-3M ALUM-4M ALUM-5M ALUM-6M

With Base: ALUMB-3M ALUMB-4M ALUMB-5M ALUMB-6M

With GI Male Adaptor: ALUM3M-MGI ALUMB4M-MGI ALUMB5M-MGI ALUMB6M-MGI

Section H

LPI® Cantilevering Saddles Purpose designed stainless steel saddles for cantilevering Aluminium mast of 69.9mm outer diameter to flat vertical surface.

Ordering Code CANTSAD

Description: 70mm Saddles for mounting of Aluminium Mast (3 per set)

Material: Stainless Steel

Weight: 180g per saddle, 540g per set

Dimension: 130mm (L) x 70mm (W) x1.2mm (D)

Hole Fixing Diameter: 8mm

Description Aluminium Mast

Colour: Silver

Material: Aluminium

Inside Diameter: 61.9mm

Outside Diameter: 69.9mm

Ordering Code Guy Ring

Ordering Code: Guy Ring

Material: Cast Aluminium

Dimension: 110mm x 110mm x 10 mm

Weight: 0.12kg

Guy Hole Diameter: 10mm

Guy Ring LPI

®‘s Guy Ring provides 3 guy points for mounting between the top section of the FRP mast and the

Guardian CAT Terminal.

Section F

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 14

Ordering Code HVSC-PM or HVSC-500M

Description: High Voltage Shielded Cable

Concentric conductor: Nominal cross sectional area 50mm2

Sheath Thickness: 3.3mm +/-0.3mm

Overall Diameter: 37mm +/-0.8mm

Weight of Cable: 2.050 kg per metre

DC Resistance of conductor at 20ºC: Max. 0.387 Ohm/km

DC Resistance of screen at 20ºC: Max. 0.492 Ohm/km

Insulation resistance at 20ºC: Min. 1,830 M Ohm-km

Maximum Voltage: 280kV 1.2/50µs impulse

LPI® High Voltage Shielded Cable LPI

®‘s High Voltage Shielded Cable (HVSC) is a high integrity low impedance cable, which is designed to

convey lightning energy to ground with minimal risk of side flashing or structure electrification. The design of the HVSC incorporates carefully selected dielectric components to ensure optimum performance under high impulse conditions. This design provides a low inductance per unit length with low surge impedance. The LPI

®‘s HVSC has been tested in compliance to IEC test standard: IEC 60-1:1989 and IEC 600601, 2nd

Edition,1989-11.

Section J

LPI® Cable Ties LPI

®‘s Cable Ties are designed for securing the HVSC downconductor to structures and mast assembly.

Ordering Code SS-CABTIE-STD SS-CABTIES-L

Description: Cable Ties

Material: Stainless Steel

Length: 360mm 520mm

Width: 7.9mm 7.9mm

Section K

Section I

LPI® U-Bolt LPI

®’s U-Bolt set is specifically designed to allow for the secure clamping of aluminium or FRP mast to tower

section or handle rail.

Ordering Code U-Bolt

Description: U-Bolt, 2 per set

Material: U-bolt:Stainless Steel, Plate:Aluminium

Weight: 375g per U-bolt, 750g per set

Dimension: 80mm Diameter, 170mm Length

Page 15: LPI Direct Strike Products - Maclean Electrical€¦ · LPI® Upper Termination Kit LPI®‘s Upper Termination Kit is designed for use with the LPI HVSC down-conductor. The LPI High

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 15

Ordering Code LSR1

Description: Lightning Strike Recorder

Current sensitivity: 1500A 8/20µs impulse

Operating range: Min. 1500A and Max. 220kA 8/20µs

Display: Mechanical 6 digits display (not re-settable).

Dimension: 80mm (B) x 82mm (H) x 65mm (D)

Weight: 0.4 kg

Mounting: Adjustable stainless steel cable ties to accommodate a cable up to 40 mm dia. cable or 50mm x 5mm flat tape

Construction: Polycarbonate enclosure

Colour: Light Grey

Environment: IP 67 (IEC 529)

Operating Temperature: -15C to 65C

LPI® Lightning Strike Recorder LPI

®‘s Lightning Strike Recorder (LSR1) is a lightning strike counter. The LSR1 is simply mounted at any

location along the downconductor route. It’s purpose is to record the number of strikes captured by the lightning terminal and conveyed by the downconductor.

Section N

Section M

LPI® Beam Clamp and Cable Support LPI

® Beam Clamp and Cable Support are specifically designed for the securing of the HVSC downconductor

to tower legs.

Ordering Code BEAM CLAMP / CABLE SUPPORT - HVSC

Description: Beam Clamp and Cable Support

Material: Stainless steel, Polymer

Dimension: 60mm x 60mm x 50mm

Fixing hole diameter: 38mm

Weight: 180g

Section L

LPI® Saddles and Fixings LPI

®‘s Saddles and fixings are specifically designed for securing of HVSC downconductor to structures.

Ordering Code SAD FIX

Description: Saddles and Fixings

Material: Stainless Steel, Grade 304

Dimension: 90mm Length, 1.2mm Thickness

Fixing hole diameter: 7mm

Weight: 25g

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 16

LPI® Threaded Copper bonded Earth Rods LPI

® ’s Copper bonded earth rods are made from high tensile low carbon steel and each rod is manufactured

by molecularly bonding 99.9% pure electrolytic copper to the low carbon steel core in accordance with national and international standards such as BS6651, BS7430 and UL467. Threads are rolled onto the rod ensuring an even copper covering which eliminates the risk of chipping whilst driving.

Ordering Code CBER458

Description: Threaded Copper bonded Earth Rod

Material: Carbon steel bonded with Copper

Length: 1.219m

Rod Diameter (Actual): 14.3mm

Threaded Diameter: 5/8”

Weight: 1.54kg

Section P

LPI® Lower Termination Kit LPI

®‘s Lower Termination Kit provides accessories and tools for the termination of the HVSC lower end to

the dedicated lightning earth.

Ordering Code LTERMKIT

Description: Lower Termination Kit

Pack Dimensions: 270mm (B) x 100mm (H) x 40mm (D)

Weight: 585g

Contents: 1 x 95mm crimp lug 1 x waterproofing tape

1 x earth rod clamp 2 x warning labels

1 x insulation friction cutting tool

Section O

LPI® Coupling for threaded earth rod Whether connecting rod to rod or driving stud to rod the high strength copper alloy coupling is counter bored to protect the earth threads from damage and subsequent corrosion.

Ordering Code LEH-58R

Description: Coupling for Threaded Earth Rod 5/8”

Material: High strength copper alloy

Thread type: 5/8”

Weight: 130g

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LPI® Rod to Tape Clamp Type A LPI

®‘s Rod to Tape Clamp provides a conductive and mechanically secure connection when installing a

lightning protection earth encompassing flat copper tape and copperbonded earth rods.

Ordering Code RTC1625A

Description: Rod to Tape Clamp “Type A” to suit 5/8”mm Dia rod & 25 x 3mm tape

Material: Gun Metal/ High strength copper alloy

Rod Diameter: 5/8” or 16mm

Conductor size: 25 x 3mm

Weight: 150g

LPI® Copper Tape LPI

®‘s 25mm x 3mm soft drawn copper tape is manufactured using the latest European developed extrusion

technologies. LPI’s CT253 is a high quality tape which provides our customers with a guaranteed copper purity of 99.95%.Flat copper tape in comparison to stranded copper cable is considered as the most efficient conductor for the transfer of lightning energy to the ground mass. Flat tape provides greater surface contact with the surrounding soil which assists greatly in the dissipation of the lightning energy.

Ordering Code CT253

Description: Copper Tape 25mm x 3mm (Soft Drawn)

Material: 99.95% Copper

Dimension: 25.00mm (Width) x 3.00mm (Thickness)

Weight: 0.67kg per metre

Electrical Conductivity: Minimum 100% I.A.C.S

Standard: BS1432

Tensile Strength: 210 - 250 N/mm²

Package: Supplied in pancake coil form (50m per coil)

LPI® Inspection Pits

LPI

®‘s Inspection Pits provide a secure and user friendly access point for maintenance purposes and the

periodical measuring of electrical resistance of a buried earthing system. In order to complete routine measurements of electrical resistance simply remove the lid from the installed earth pit and connect a lead from the resistance meter to the earthing conductor.

Ordering Code EPIT-C EPIT-P

Description: Concrete Earth Pit Polymer Earth Pit

Material: Concrete Polymer

Dimension: 320mm (length) x 320mm (width) x 200mm (deep)

250mm (top) x 180mm(base) x 210mm (deep)

Weight: 32kg 1.9kg

Strength: Withstand 4.5 tonnes

Withstand up to 5 tonnes

Section Q

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Commercial in Confidence Document: 36 TD Guardian.pub Version: 2.08 29/09/2009 Copyright 2009 LPI 18

Ordering Code GRIP-10 GRIP-40

Description: Ground Resistance Improvement Powder

Application: To assist in achieving a DC ground resistance of less than 10 Ohm and impedance of less than 30 Ohms.

Weight: Part A = 5kg Part B = 5kg

Part A = 20kg Part B = 20kg

LPI® Ground Resistance Improvement Powder LPI

®’s Ground Resistance Improvement Powder (GRIP) is a premium product designed to dramatically

reduce soil resistivity in the poorest soil conditions. When GRIP is mixed with water and poured onto the earthing system and surrounding soil, the powder and water react to form a gelatinous mass which will not reduce, contract or separate from the surrounding earthing system.

Section R

Ordering Code CHEMROD-2M CHEMROD-3M

Length: 2m 3m

Diameter: 63.5mm

Copper Composition: 99.9% minimum

Standard: Australian Standard AS1432

Melting Point: 1083ºC

Specific Heat Capacity: 0.385kJ (kg.K)

Electrical Conductivity (Annealed):

75-90% I.A.C.S.

Wall Thickness: 1.6mm

Copper: Hard-drawn

Cap: Removable type with air breather holes

Drainage Holes: 4.5mm Diameter, provided every 40cm for the length of the rod

Mineral Salts: Pre-filled from factory with non-hazardous natural electrolytic salts

Pigtail: 70mm Stranded Copper Cable, Pre-welded from factory to allow for connection to earthing system

Weight: 12kg (CHEMROD) 40kg (RESLO)

17kg (CHEMROD) 60kg (RESLO)

LPI® Chemical Ground Rod LPI’s Chemical Ground Rod provides a low impedance earth to effectively dissipate lightning and electrical fault currents. The Chemical ground rod is ideal in situations where space is restricted and normal lightning earths such as radial and grid type systems cannot be installed.

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Lightning Protection International Pty Ltd operates a certified

management system that complies with the requirements of AS/NZS

ISO9001:2000. The scope of certification encompasses the design,

manufacture, assembly, sales, installation and commissioning of

lightning and surge protection equipment and earthing material.

ISO 9001 Certificate

Recommended Earthing Installation This type of radial earth is recommended for installation as a lightning protection earth.