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FOR CONTRACT NO.: 05-0Q6304

05-SLO-101-36.0/37.5

PROJECT ID : 0500000320

INFORMATION HANDOUT

MATERIALS INFORMATION

ALTERNATIVE CRASH CUSHION SYSTEMS

CRASH CUSHION (TYPE QUADGUARD II)

QuadGuard®II System

The New Standard In Crash Cushions...NCHRP 350, TL-3!

Pro

duct

Man

ual

Corporate Offices:35 East Wacker Dr., 11th FloorChicago, IL 60601-2076Telephone: (312) 467-6750FAX: (312) 467-1356http://www.energyabsorption.com/

Engineering and Manufacturing Facilities:Rocklin, CAPell City, AL

A Quixote CompanySaving Lives By Design

ENERGY ABSORPTIONSYSTEMS, INC.

2

QuadGuard® II System

For Customer Service Call1-888-32-ENERG

System Orientation

SSSSSystem Ovystem Ovystem Ovystem Ovystem Overerererervievievievieviewwwww

Note: This manual and the standard drawings withtheir reference drawings in PDF format are alsocontained on the CD included on the inside backcover of this manual.

Important Introductory NotesImportant Introductory NotesImportant Introductory NotesImportant Introductory NotesImportant Introductory NotesProper installation of the QuadGuard II System is es-sential to assure maximum performance. Take the timeto review the installation instructions and product limi-tations thoroughly before performing the necessarywork. Do not attempt to install any crash cushion with-out the proper plans and installation manual from themanufacturer.

Note: The drawing package provided with theQuadGuard II System should take precedence overthe drawing package provided in this manual.These drawings are for reference only and maynot be up to date.

If you need additional information, or have questionsabout the QuadGuard II System, please call EnergyAbsorption Systems’ Customer Service Departmentat (888) 323-6374.

Table of ContentsImportant Introductory Notes ......................... 2

System Overview ....................................... 2QuadGuard® II SystemGeneral Specifications ................................. 4QuadGuard® II CZ SystemGeneral Specifications ................................. 6QuadGuard II System Design Criteria ............. 8QuadGuard II cz Design Criteria .................. 11QuadGuard II cz Foundation Specifications.... 12General Installation Information.................. 13

Required Tools ............................................... 13Transitioning .......................................... 14Site Preparation ...................................... 16General Maintenance and Repair ................ 16Limitations and Warnings.......................... 17Standard Cover Drawings .......................... 18Standard Detail Drawings .......................... 23

The QuadGuard II System is a highly efficient,redirective, non-gating crash cushion for hazardsranging in width from 610 mm to 3200 mm (2' to10.5'). It consists of crushable, energy-absorbingcartridges surrounded by a framework ofQuad-BeamTM panels.

The QuadGuard II System utilizes two types of cartridgesin a "staged” configuration to address both lighter carsand heavier, high center-of-gravity vehicles. Its modulardesign allows the system length to be tailored to the de-sign speed of a site. Refer to Table A on page 9 to deter-mine the appropriate length system for a given designspeed.

HoHoHoHoHow to Determine Lefw to Determine Lefw to Determine Lefw to Determine Lefw to Determine Left/Rightt/Rightt/Rightt/Rightt/RightTo determine left from right when ordering parts, standin front of the system facing the hazard as shown in Fig-ure 1. Your left is the system's left and your right is thesystem's right.

Counting the Number of BaCounting the Number of BaCounting the Number of BaCounting the Number of BaCounting the Number of BaysysysysysOne bay consists of one cartridge, one diaphragm, andtwo fender panels. The nose section is not considered abay, though there is a cartridge in the nose of each sys-tem. Note that this means there will always be one morecartridge in the system than the number of bays in thesystem. To determine number of bays, count fender pan-els on one side, see Figure 1 (5 bay System shown).

RIGHT

LEFT

REAR

FENDER PANELS

DIAPHRAGMBAY

CARTRIDGE

BAY

BAY

BAY

BAY

NOSE

FRONT

Figure 1

3



The nominal width of a system with tension strutbackup is the width between side panels behind thebackup (see Figure 2).

The nominal width of a system with concrete backupis the width of the concrete backup at location shownin Figure 3.

The outside width of the system is approximately150 mm [6"] to 230 mm [9"] wider than the nominalwidth. The width of the system is not the same asthe width of the backup.

Figure 3

TENSION STRUT BACKUP

Figure 2

CONCRETE BACKUP

Width of System with Concrete BackupWidth of System with Tension Strut Backup

Measuring the Measuring the Measuring the Measuring the Measuring the WidthWidthWidthWidthWidthThe QuadGuard II System is available in seven nomi-nal widths:

• 610 mm [24"]

• 760 mm [30"]

• 915 mm [36"]

• 1219 mm [48"]

• 1755 mm [69"]

• 2285 mm [90"]

• 3200 mm [126"] Min. 6 Bays required for this

width.

Crash PCrash PCrash PCrash PCrash PerferferferferformanceormanceormanceormanceormanceThe 5 bay QuadGuard II System has successfullypassed the NCHRP 350, Test Level 3 tests with boththe light car and pickup truck at speeds up to 100 km/h (62 mph) at angles up to 20 degrees.

During head-on impacts, the QuadGuard II System tele-scopes rearward and crushes to absorb the energy ofimpact. When impacted from the side, it safely redi-rects the vehicle back toward its original travel path andaway from the hazard.

SSSSSystem Ovystem Ovystem Ovystem Ovystem Overerererervievievievieview (cont’w (cont’w (cont’w (cont’w (cont’d.)d.)d.)d.)d.)

Return Goods PolicyBefore returning any goods for credit please contactEnergy Absorption Systems Inc. Customer ServiceDepartment at 1-888-323-6374 or your local distributorfor proper instructions.

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I. I. I. I. I. GENERALGENERALGENERALGENERALGENERALAll QuadGuard II Systems are designed and manufactured by Energy Absorption Systems, Incorporated, ofChicago, Illinois.

II. II. II. II. II. DESCRIPTION OF SYDESCRIPTION OF SYDESCRIPTION OF SYDESCRIPTION OF SYDESCRIPTION OF SYSSSSSTEMTEMTEMTEMTEMA. General

The QuadGuard II System consists of energy absorbing cartridges surrounded by a framework of steelQuad-beam guardrail, which can telescope rearward during head-on impacts. The QuadGuard II Systemhas a center monorail, which will resist lateral movement during side angle impacts, and a backup,which will resist movement during head-on impacts. The nose consists of a steel nose wrap and anenergy-absorbing cartridge. Transitions are available and may be required depending on site condi-tions.

B. Component Descriptions

1. A bay describes a section of the QuadGuard II System consisting of an energy absorbing cartridge,a diaphragm, two fender panels and fasteners.

a. There are two types of cartridges, referred to as Type I and Type II. The front portion of thesystem is fitted with Type I cartridges. The rear of the system is fitted with Type II cartridges.The outside of each cartridge is fabricated from a weather resistant plastic. The actual quantityof each is determined by the system design speed.

b. The diaphragms are made from 10 gauge, steel Quad-Beam sections. Two support legs arewelded to the Quad-Beam. Ski-shaped plates are welded to the bottom of the support legs. Thediaphragms are designed to lock onto, and be guided by a ground-mounted, center monorailsupport structure.(The 24”, 30”, 36 and 48” wide systems require the use of monorail stabi-lizer plates bolted between the diaphragm and rail guide.

c. The fender panels are fabricated from 10 gauge steel Quad-Beam sections. The rear of eachfender panel (the panel end furthest from the nose of the assembled system) is tapered to helpmaximize performance during wrong-way, redirective impacts. Each fender panel is drilled andslotted in accordance with the manufacturer's specifications so that when assembled in thefield, the front end (the end closest to the nose of the assembled system) is bolted to a dia-phragm or hinge plate (depending on width of system) by means of 5/8" bolts. The rear of eachQuad-beam fender panel overlaps the next rearward fender panel and is connected to thediaphragm or hinge plate of the next bay by means of a bolt and "mushroom" washer. The boltfits through the long horizontal slot in the forward fender panel. This permits the movement,front to back, of one set of fender panels relative to the panels in the underlying, next rearwardbay. For QuadGuard II Systems, the mushroom bolt assembly is held in place by a compressionspring, which allows limited separation of the fender panels during an impact.

QuadGuardQuadGuardQuadGuardQuadGuardQuadGuard®®®®® II S II S II S II S II SystemystemystemystemystemGeneral SpecifGeneral SpecifGeneral SpecifGeneral SpecifGeneral Specificationsicationsicationsicationsications

5



2. The monorail support structure is made of steel and is to be anchored per manufacturer’s instructions, to aspecified concrete pad. The monorail prevents lateral movement, vertical movement and overturning of thediaphragms during design impacts.

3. The nose section contains a nose cover and an energy absorbing cartridge and is not counted as a bay. Thenose cover is made from 14 ga. steel, powder-coated to resist weathering. The nose attaches to the frontdiaphragm. Standard color is yellow.

4. The backup is made of steel and is attached to concrete or an integral tension strut framework, and is available innominal widths of 610 mm [24"], 762 mm [30"], 915 mm [36"], 1219 mm [48”], 1753mm [69"], 2286mm [90"]and 3200 mm []126”].

5. Several transition panels are available as required by site conditions including: Quad-Beam to Safety Barrier,Quad-Beam to Thrie-Beam, Quad-Beam to W-Beam, and Quad-Beam End Shoe. Contact Energy AbsorptionSystems, Inc. for specific applications.

C. Material Specifications

1. Metal work is fabricated from either M1020 Merchant Quality or ASTM A-36 steel. After fabrication, metalwork is galvanized in accordance with ASTM A-123. All welding is done by or under the direction of a certifiedwelder.

2. The system is assembled with galvanized fasteners. All bolts, nuts, and washers are Commercial Quality"American National Standard" unless otherwise specified.

III.III.III.III.III. PERFORMANCE CRITERIAPERFORMANCE CRITERIAPERFORMANCE CRITERIAPERFORMANCE CRITERIAPERFORMANCE CRITERIAA. For head-on impacts into the nose, a QuadGuard® II System shall be specified which is capable of meeting the

occupant risk criteria as recommended in NCHRP 350. For vehicles weighing between 820 and 2000 kg [1,810and 4,410 lbs], the theoretical impact velocity of a hypothetical front seat passenger against the vehicle's interior(calculated from vehicle acceleration and 600mm [24"] forward displacement) shall be less than 12m/s [39.4 ft/sec], and the vehicle's highest 10 millisecond average acceleration subsequent to the instant of the hypotheticalpassenger impact shall be less than 20 G's.

B. The QuadGuard II System is capable of redirecting 2000 kg [4,410 lbs] vehicles which impact the sides of thesystem at speeds up to 100 km/h [62 mph] at angles of 20° (angles measured from system's longitudinalcenterline). The QuadGuard II System is capable of redirecting 820 kg [1,810 lbs] vehicles, which impact the sidesof the system at speeds up to 100 km/h [62 mph] at angles of 15°. (See Test Criteria below.)

C. The QuadGuard II System is designed and constructed so there is no solid debris from the system which cancreate a hazard on the roadway after either head-on or side angle design impacts.

IVIVIVIVIV..... TEST CRITERIATEST CRITERIATEST CRITERIATEST CRITERIATEST CRITERIAThe QuadGuard System has been fully tested per the recommended criteria set forth in National Cooperative HighwayResearch Program (NCHRP) Report 350, 1993, Test Level 3 for redirective, non-gating terminals and crash cushions.

VVVVV..... DESIGN DESIGN DESIGN DESIGN DESIGN AND SELECTION CRITERIAAND SELECTION CRITERIAAND SELECTION CRITERIAAND SELECTION CRITERIAAND SELECTION CRITERIAA. Design, selection and placement of crash cushions shall conform to The American Association of State Highway

and Transportation Officials (AASHTO) Publication, "Roadside Design Guide" 2002.

B. Installation of the QuadGuard II System attenuators shall be accomplished in accordance with the recommenda-tions of Energy Absorption Systems, Incorporated.

QuadGuardQuadGuardQuadGuardQuadGuardQuadGuard®®®®® II System II System II System II System II System

General SpecifGeneral SpecifGeneral SpecifGeneral SpecifGeneral Specifications (cont’ications (cont’ications (cont’ications (cont’ications (cont’d.)d.)d.)d.)d.)

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I. I. I. I. I. GENERALGENERALGENERALGENERALGENERALAll QuadGuard II CZ Systems are designed and manufactured by Energy Absorption Systems, Incorporated, ofChicago, Illinois.

II. II. II. II. II. DESCRIPTION OF SYDESCRIPTION OF SYDESCRIPTION OF SYDESCRIPTION OF SYDESCRIPTION OF SYSSSSSTEMTEMTEMTEMTEMA. General

The QuadGuard II CZ System consists of energy absorbing cartridges surrounded by a framework of steel Quad-beam® guardrail which can telescope rearward during head-on impacts. The QuadGuard II CZ System has a centermonorail which will resist lateral movement during side angle impacts and a backup which will resist movementduring head-on impacts. The nose consists of a steel nose wrap and an energy-absorbing cartridge. Transitionsare available and may be required depending on site conditions.

The QuadGuard II CZ System is available in 3 to 9 bay lengths and nominal widths of 610 mm [24"], 762 mm[30"], 915 mm [36"] and 1219 mm [48”].

B. Component Descriptions

1. A bay describes a section of the QuadGuard II CZ System consisting of an energy absorbing cartridge, adiaphragm, two fender panels and fasteners.

a. There are two types of cartridges, referred to as Type I and Type II. The front portion of the system isfitted with Type I cartridges. The rear of the system is fitted with Type II cartridges. The outside of eachcartridge is fabricated from a weather resistant plastic. The actual quantity of each is determined by thesystem design speed.

b. The diaphragms are made from 10 gauge, steel Quad-beam sections. Two support legs are welded to theQuad-beam. Ski-shaped plates are welded to the bottom of the support legs. The diaphragms are de-signed to lock onto and be guided by a ground-mounted, center monorail support structure.

c. The fender panels are fabricated from 10 gauge steel Quad-beam sections. The rear of each fender panel(the panel end furthest from the nose of the assembled system) is tapered to help maximize performanceduring wrong-way, redirective impacts. Each fender panel is drilled and slotted in accordance with themanufacturer's specifications so that when assembled in the field, the front end (the end closest to thenose of the assembled system) is bolted to a diaphragm by means of 5/8" bolts. The rear of each Quad-beam fender panel shall overlap the next rearward fender panel and be connected to the diaphragm of thenext bay by means of a bolt and "mushroom" washer. The bolt fits through the long horizontal slot in theforward fender panel. This permits the front to back movement, of one set of fender panels relative to thepanels in the underlying, next rearward bay.

2. The nose section shall contain a nose cover and an energy-absorbing cartridge and is not counted as a bay.The nose cover is made from 14 ga. steel, powdercoated to resist weathering. The nose shall attach to thefront diaphragm. Standard color is yellow.

3. The monorail support structure is made of steel and be anchored per manufacturer's instructions, to speci-fied concrete pad or asphalt roadway. The monorail shall prevent lateral movement, vertical movement andoverturning of the diaphragms during design impacts.

4. The backup is made of steel and be attached to an integral tension strut framework, and is available in nominalwidths of 610 mm[24"], 760 mm[30"], 915 mm[36"] and 1219 mm [48”].

5. Optional Plate - The monorail backup section and the monorail extension section are available welded to steelplate sections. The plates shall be anchored per manufacturer's instructions, to a specified concrete pad orasphalt roadway.

QuadGuardQuadGuardQuadGuardQuadGuardQuadGuard®®®®® II CZ System II CZ System II CZ System II CZ System II CZ SystemGeneral SpecificationsGeneral SpecificationsGeneral SpecificationsGeneral SpecificationsGeneral Specifications

7



a. The monorail backup section is 3 bays long on a 10mm x 1.07m x 4.16m [3/8" x 3'6" x 13'7-5/8"] plate. The backup and monorail are welded to the plate. The backup monorail section isavailable in normal widths of 610 mm [24"], 760 mm [30"], 915 mm [36"] and 1219 mm [48”].

b. The monorail extension section is 3 bays long and can be added as required to the monorailbackup section to make 4 to 9 bays systems. The plate of a monorail extension section is10mm x 1.07m x 2.74m [3/8" x 3'6" x 9']. The monorail extension sections shall prevent lateralmovement, vertical movement and overturning of the diaphragms during design impacts.

6. Several transition panels are available as required by site conditions including; Quad-beam to SafetyBarrier, Quad-beam to Thrie-beam, Quad-beam to W-beam, and Quad-beam End Shoe. Transitions maybe necessary to minimize potential vehicle snag conditions. Contact Energy Absorption Systems, Inc. forspecific applications.

C. Material Specifications

1. Metal work is fabricated from either M1020 Merchant Quality or ASTM A-36 steel. After fabrication, metalwork is galvanized in accordance with ASTM A-123. All welding is done by or under the direction of acertified welder.

2. The system is assembled with galvanized fasteners. All bolts, nuts, and washers are Commercial Quality"American National Standard" unless otherwise specified.

III.III.III.III.III. PERFORMANCE CRITERIAPERFORMANCE CRITERIAPERFORMANCE CRITERIAPERFORMANCE CRITERIAPERFORMANCE CRITERIAA. The QuadGuard II CZ System is capable of redirecting 820 to 2000 kg [1,810 to 4,410 lbs] vehicles

which impact the sides of the system at speeds up to 100 km/h [62 mph] at angles of 20 degrees forboth right-way and wrong-way impacts (angles measured from system's longitudinal centerline). (SeeTest Criteria below.)

B. For head-on impacts into the nose, a QuadGuard II CZ is capable of meeting the occupant risk criteriaas recommended in NCHRP 350. For vehicles weighing between 820 and 2000 kg [1,810 and 4,410lbs], the theoretical impact velocity of a hypothetical front seat passenger against the vehicle's interior(calculated from vehicle acceleration and 610mm [24"] forward displacement) shall be less than 12m/s [39.4 ft/sec]. The vehicle's highest 10 millisecond average acceleration subsequent to the instant ofthe hypothetical passenger impact shall be less than 20 G's.

C. The QuadGuard II CZ System is designed and constructed so there is no solid debris from the systemwhich can create a hazard on the roadway after either head-on or side angle design impacts.

IVIVIVIVIV..... TEST CRITERIATEST CRITERIATEST CRITERIATEST CRITERIATEST CRITERIAThe five bay QuadGuard II CZ System has been tested per the recommended criteria set forth in NationalCooperative Highway Research Program (NCHRP) Report 350, 1993, Test Level 3 for redirective, non-gating terminals and crash cushions.

VVVVV..... DESIGN DESIGN DESIGN DESIGN DESIGN AND SELECTION CRITERIAAND SELECTION CRITERIAAND SELECTION CRITERIAAND SELECTION CRITERIAAND SELECTION CRITERIAA. Design, selection and placement of crash cushions shall conform to The American Association of State

Highway and Transportation Officials (AASHTO) Publication, "Roadside Design Guide" 2002.

B. Installation of the QuadGuard II CZ System attenuators shall be accomplished in accordance with therecommendations of Energy Absorption Systems, Incorporated.

QuadGuardQuadGuardQuadGuardQuadGuardQuadGuard®®®®® II CZ S II CZ S II CZ S II CZ S II CZ SystemystemystemystemystemGeneral SpecifGeneral SpecifGeneral SpecifGeneral SpecifGeneral Specifications (cont’ications (cont’ications (cont’ications (cont’ications (cont’d.)d.)d.)d.)d.)

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Establish Basic System Specifi-Establish Basic System Specifi-Establish Basic System Specifi-Establish Basic System Specifi-Establish Basic System Specifi-cationscationscationscationscationsThe specification of a QuadGuard II System for a par-ticular site must always include system width and sys-tem length.

1) Specification of System Width

The QuadGuard II System is available in five nominalwidths:

• 610 mm [24"]

• 760 mm [30"]

• 915 mm [36"]

• 1019 mm [48"]

• 1755 mm [69"]

• 2285 mm [90"]

• 3200 mm [126"] Min. 6 Bays required for

width

As a general rule, selection of the narrowest width thatadequately shields the hazard is recommended.

2) Specification of System Length

System length is specified by the number of bays thesystem includes. The number of bays required is a func-tion of the design speed of the roadway.

Choose a BacChoose a BacChoose a BacChoose a BacChoose a Backup Structure fkup Structure fkup Structure fkup Structure fkup Structure forororororthe systemthe systemthe systemthe systemthe systemTwo backup designs are available. The Tension Strutbackup and the concrete backup. Both types are appro-priate for use on grade or deck.

Special Site ConditionsSpecial Site ConditionsSpecial Site ConditionsSpecial Site ConditionsSpecial Site ConditionsContact Energy Absorption Systems Customer ServiceDepartment if you would like assistance with your appli-cation. You will need to answer the following questions:

1. Are curbs, islands or elevated objects (delin-eators or signs) present at the site? Whatheight and width are they? All curbs and elevatedobjects over 100 mm [4"] high should be re-

QuadGuard II SQuadGuard II SQuadGuard II SQuadGuard II SQuadGuard II System Design Criteriaystem Design Criteriaystem Design Criteriaystem Design Criteriaystem Design Criteria

moved. If possible, curbs under 100 mm [4"]high should be removed approximately 15 m[50'] in front of the QuadGuard® System, andas far back as the system’s backup. Any curbsthat must remain should be 100 mm [4"] maxi-mum and be mountable.

2. If the installation site is a gore area, (placewhere two roads diverge), what is the angleof divergence?

3. What is the general geometry of the site, in-cluding the roadway for 150 m [500'] in front,so traffic patterns can be visualized?

4. Is there an existing barrier? When there is anexisting guardrail or median barrier at the site,the backup of the QuadGuard II System shouldtie into it when possible.

5. Will there be traffic approaching from therear of the system? Is the system in a two-way traffic situation, with traffic going in op-posite directions on either side of the system?Or, is the system on the side of the road in alocation where cross over traffic is a concern?If so, a Transition from the back of the systemto the hazard is necessary to prevent vehiclesnagging (see Page 15).

6. Are there any other unique features at thesite that may affect positioning or perfor-mance of the QuadGuard II System? (See nextsection).

Other FOther FOther FOther FOther Factoractoractoractoractors s s s s That MaThat MaThat MaThat MaThat May y y y y AfAfAfAfAffectfectfectfectfectYYYYYour Design:our Design:our Design:our Design:our Design:

1. The existence of drain inlets.

2. Junction boxes or other appurtenances locatednear the hazard.

3. Insufficient space for the length preferred.

4. The location and movement of expansion joints.

If these or any other special site conditions exist,please contact Energy Absorption Systems CustomerServices Department before proceeding with your de-sign. For Customer Service call: 1-888-323-6374.

9



QuadGuard II SQuadGuard II SQuadGuard II SQuadGuard II SQuadGuard II System Design Criteria (cont’ystem Design Criteria (cont’ystem Design Criteria (cont’ystem Design Criteria (cont’ystem Design Criteria (cont’d.)d.)d.)d.)d.)

Figure 4

QG27024QUADGUARD II

Model NumberModel NumberModel NumberModel NumberModel Number

DESIGN SPEED (km/h)

NOMINAL WIDTH OF THESYSTEM AT BACKUP

This chart represents the modified versions of the QG II length relative to impact speed, and isbased on the capacity of the system using a 2000 kg [4400 lb] Pickup truck.

*System capacity estimated through calculation.

Impact conditions which differ from thoise described in the NCHRP350 test matrix for non-gating, redirecting crash cushions mayresult in different crash results than those encountered in testing.

Furthermore, impacts in excess of TL-3 impact severity, or theexistence (at the site of the installation) of curbs or cross slopes inexcess of 8%, may yield crash performance which does not meetNCHRP 350 evaluation criteria relative to structural adequacy,occupant risk and vehicle trajectory factors.

Model # Vehicle TYPE I TYPE II

Bays kph [mph] Qty. Qty. 1* QG240 _ _ 40 [25] 2 0 2 QG270_ _ 70 [44] 2 1

# of Speed Cartridge Cartridge

3* QG280_ _ 80 [50] 2 2 4* QG290_ _ 90 [56] 3 2 5 QG2100_ _ 100 [62] 3 3 6* QG2105_ _ 105 [65] 4 3 7* QG2110_ _ 110 [68] 4 4 8* QG2115_ _ 115 [71] 4 5 9* QG2120_ _ 120 [75] 4 6

Model # Vehicle TYPE I TYPE II

Bays kph [mph] Qty. Qty. 1 2

# of Speed Cartridge Cartridge

3* QG270_ _ 70 [44] 2 2 4* QG280_ _ 80 [50] 3 2 5 QG2100_ _ 100 [62] 3 3 6* QG2105_ _ 105 [65] 4 3 7* QG2110_ _ 110 [68] 4 4 8* QG2115_ _ 115 [71] 4 5 9* QG2120_ _ 120 [75] 4 6

For WideSystems

Model Number Key

DescriptionDescriptionDescriptionDescriptionDescription

Table A -Speed ChartFor NarrowSystems

Table B -Speed Chart

10



Key

Cartridge

Diaphragm

Quad Beam Fender Panel

Nose Cover

Monorail

Backup

Figure 5

QUA

DGUA

RD II

SYS

TEM

FOR

NARR

OW H

AZAR

DSQU

ADGU

ARD

II SY

STEM

FOR

WID

E HA

ZARD

S

610 mm [24"] MODEL NO. QG210024

760 mm [30"] MODEL NO. QG210030

1219 mm [48"] MODEL NO. QG210048

1755 mm [69"] MODEL NO. QG2100695.83 m [19'-1"]

3200 mm [126"] MODEL NO. QG2100126 (Min. 6 bays required)

Plan & Elevation (Five bay System withTension Strut backup Shown)

1

2

3

4

5

6

QuadGuard SQuadGuard SQuadGuard SQuadGuard SQuadGuard System Design Criteria (cont’ystem Design Criteria (cont’ystem Design Criteria (cont’ystem Design Criteria (cont’ystem Design Criteria (cont’d.)d.)d.)d.)d.)

915 mm [36"] MODEL NO. QG210036

8.73 m [22'-1"]2285 mm [90"] MODEL NO. QG210090

11



because the QuadGuard II cz may be permanently in-stalled on a prepared site. When there is no longer aneed for temporary site protection, or when the con-struction job is finished, the QuadGuard II cz can be per-manently installed.

because the QuadGuard II cz is crush efficient. Car-tridges offer exceptional energy absorbing efficiency.With variable design lengths systems can be tailoredto meet your design criteria. The QuadGuard II cz of-fers the best size/efficiency ratio of any impact attenu-ator. Thus, the shortest system possible for a givendesign speed can be installed. This increases driverdecision distance and reduces the likelihood of thesystem being hit.

because the QuadGuard II cz meets your needs fortemporary protection at most construction sites.Whether it be the end of unfinished median barriers,bridge piers, temporary or permanent safety walls, lightposts, or numerous other types of hazards. As withthe permanent QuadGuard II System, the system sizeshould be chosen so that the width and length are nolarger than necessary.

The QuadGuard II cz must be properly anchored. Re-fer to Page 12 for the recommended anchorage forvarious foundations.

QuadGuard II cz Design CriteriaQuadGuard II cz Design CriteriaQuadGuard II cz Design CriteriaQuadGuard II cz Design CriteriaQuadGuard II cz Design CriteriaThe portable compact crash cushion for construc-tion zones. The QuadGuard II cz is available in thesame narrow sizes as permanent systems.

A wise choice...

because the Construction Zone QuadGuard(QuadGuard II cz) provides the same lifesavingefficiency and features of the permanentQuadGuard II System. The QuadGuard II cz is de-signed to redirect vehicles hitting the system alongthe side. After a typical design speed head on impactthe majority of the system can be used again. Thesystem can usually be repaired by pulling it back intoplace and replacing the Nose and Cartridges. (Depend-ing on the foundation a QuadGuard II cz may need tobe reset after impact.)

because the QuadGuard II cz is easy to transport. Thesystem can be pre-assembled away from the job site.When the need arises, the QuadGuard II cz, can be po-sitioned at the impact site with the aid of a 2 ton liftingdevice.

because installation of the QuadGuard II cz usuallyrequires little site preparation. Both the lifting platformand steel backup are integral parts of the QuadGuard IIcz so the installation of anchor bolts is usually all that isnecessary.

QZ27024P

QUADGUARD II CZ (CONSTRUCTION ZONE)Model Number DescriptionModel Number DescriptionModel Number DescriptionModel Number DescriptionModel Number Description

DESIGN SPEED (km/h)

PLATE/MONORAIL SECTIONS

WIDTH OF THE BACKUP (610 mm [24"], 760 mm [30"], 915 mm [36"],

QuadGuard II cz on a Plate Model NumbersQuadGuard II cz on a Plate Model NumbersQuadGuard II cz on a Plate Model NumbersQuadGuard II cz on a Plate Model NumbersQuadGuard II cz on a Plate Model NumbersTable CNUMBER OFNUMBER OFNUMBER OFNUMBER OFNUMBER OF

BBBBBAAAAAYYYYYSSSSS

2222255555

QZ27024PQZ27024PQZ27024PQZ27024PQZ27024P

61616161610 mm [24”]0 mm [24”]0 mm [24”]0 mm [24”]0 mm [24”] 7777760 mm [30”]60 mm [30”]60 mm [30”]60 mm [30”]60 mm [30”] 91919191915 mm [36”]5 mm [36”]5 mm [36”]5 mm [36”]5 mm [36”]NOMINAL NOMINAL NOMINAL NOMINAL NOMINAL WIDTHWIDTHWIDTHWIDTHWIDTH

QZ27036PQZ27036PQZ27036PQZ27036PQZ27036PQZ27030PQZ27030PQZ27030PQZ27030PQZ27030P

QZ21QZ21QZ21QZ21QZ2100000024P024P024P024P024P QZ21QZ21QZ21QZ21QZ2100000036P036P036P036P036PQZ21QZ21QZ21QZ21QZ2100000030P030P030P030P030P

Figure 6Model Number Key

1219 mm [48”] )

12



FFFFFoundation Specifoundation Specifoundation Specifoundation Specifoundation SpecificationsicationsicationsicationsicationsThe QuadGuard cz may be installed on any of the follow-ing Foundations using the specified anchorage:

A: Concrete Pad

Foundation: 150 mm [6"] minimum depthPortland Cement Concrete (P.C.C.)

Anchorage: MP-3® with 180 mm [7"] studs140 mm [5.5"] embedment

QuadGuard II cz FQuadGuard II cz FQuadGuard II cz FQuadGuard II cz FQuadGuard II cz Foundation Specifoundation Specifoundation Specifoundation Specifoundation Specificationsicationsicationsicationsications

B: Asphalt over P.C.C.

Foundation: 75 mm [3"] minimum Asphalt Concrete(A.C.) over 75 mm [3"] minimum (P.C.C.)

Anchorage: MP-3 with 460 mm [18"] studs420 mm [16.5"] embedment

C: Asphalt over Subbase

Foundation: 150 mm [6"] minimum (A.C.) over150mm [6in] minimum Compacted Subbase (C.S.)


D: Asphalt Only

Foundation: 200 mm [8"] minimum (A.C.)


A. C. (Asphalt Concrete)

AR-4000 A. C.

(per ASTM D3381 '83) .75" Maximum,

Medium (Type A or B) aggregate

Sieve Size Operating Range (%)Passing

1" 100

3/4" 95-100

3/8" 65-80

No. 4 49-54

No. 8 36-40

No. 30 18-21

No. 200 3-8

P.C.C. (Portland Cement Concrete)

Stone aggregate concrete mix

4000 psi minimum compressive strength

(Sampling per ASTM C31-84

or ASTM C42-84a, testing per ASTM C39-84)

C.S. (Compacted Subbase)

150 mm [6"] minimum depth 95% compaction

Class 2 aggregate

Sieve Size Moving Average % Passing

3" 100

2 1/2" 90-100

No. 4 40-90

No. 200 0-25

75 mm [3"]

75 mm [3"]

150 mm [6"]

150 mm [6"]

200 mm [8"]

150 mm [6"]

Note: 18” Anchors are supplied with theQuadGuard cz. If another substrate is encountered,please call customer service to discuss options.

13



ReqReqReqReqRequired uired uired uired uired TTTTToolsoolsoolsoolsoolsDocumentation

• Manufacturer’s Installation Manual

• Manufacturer's Drawing Package

Cutting equipment

• Rebar Cutting Bit

• 22 mm (7/8") Concrete Drill Bits (*Two Fluted)

• Grinder, Hacksaw or Torch (optional)

• Drill Motor

• Drill Bits: 1/16" through 7/8"

* Energy Absorption Systems recommends usingtwo fluted drills to achieve optimum tensile strengthwhen installing the MP-3 anchoring system.

Hammers

• Roto Hammer

• Sledgehammer

• Standard Hammer

Wrenches

• Heavy Duty Impact Wrench

• Standard adjustable wrench

• 1/2" drive sockets: 7/16”, 9/16", 11/16", 3/4",15/16", 1 1/8", 1 1/4"

• Deep Sockets: 5/16", 1 1/4"

• Ratchet and attachments for the above sock-ets

• Breaker Bar: 1/2" x 24"

• Torque Wrench: 200 ft-lbs.

• Crescent Wrench: 300 mm [12"]

• Allen Wrench: 3/8"

• Impact Wrench: 1/2"

• Open End Wrench: 7/16”

Personal protective equipment

• Safety Glasses

• Gloves

Miscellaneous

• Traffic Control Equipment

• Lifting and Moving Equipment (A lifting de-vice is preferred although a forklift can beused.) Minimum 5,000 lb. capacity required.

• Compressor (100 psi) and Generator (5 KW)

• Long Pry Bar

• Drift Pin 300 mm [12"]

• Center Punch

• Tape Measure 7.5 m (25')

• Chalk Line

• Concrete Marking Pencil

• Nylon bottle brush for cleaning 7/8" drilledholes

• Rags, Water, and Solvent for Touch-up

Note: The above list of tools is a general recommen-dation. The actual number of tools required willdepend on specific site conditions and the com-plexity of the installation.

General Installation InfGeneral Installation InfGeneral Installation InfGeneral Installation InfGeneral Installation Informationormationormationormationormation

14



TTTTTransitioningransitioningransitioningransitioningransitioning

Quad-Beam End ShoeTransition PanelThe Quad-Beam End Shoe Panel transitions the Quad-Guard II System to vertical faced concrete structureswhether it is a concrete backup or concrete barrier wall,see Page 15. An Extended End Shoe is also available.In cases where the corners of the hazard are not cham-fered it may be necessary to add wheel deflectors tothe structure in order to prevent wheel snagging.

Quad-Beam to GuardrailTransition Panel(W-beam and Thrie-Beam)The Quad-Beam to W-beam and Quad-Beam to Thrie-Beam Transition Panels transition the QuadGuard IISystem to new and existing runs of standard guard-rail, see Page 15.

Quad-Beam to Safety BarrierTransition PanelThere are several options available when transitioning theQuadGuard II System to safety shape barrier depend-ing on the shape and position of the barrier.

When transitioning to barriers with a "New Jersey" styleprofile, the 4" offset transition panel is most commonlyused, see Page 15. For transitioning to barriers thatare in line with the side of the system, use transitionassembly 354018L or R. For transitioning a wide sys-tem to barrier that runs parallel to the centerline of thesystem, transition assembly 354042L or R is used. A9" offset transition panel is also available fortransitioning to barriers that are in line with the side ofthe system.

When transitioning to Single Slope style barriers andparapets, 6" and 8" offset transition panels are avail-able. For transitioning a wide system to barrier thatruns parallel to the centerline of the system, a 6" off-set panel is available.

How do you determinethe transition panel offset?The Transition Panel Offset is determined by measuringthe distance between the face of the barrier and the topedge of the backup diaphragm at 32" above ground level,see Figure 7. Remember, when installing theQuadGuard II System that the correct transition paneloffset must be achieved in order for the offset bracketto nest between the barrier and transition panel en-suring proper performance of the transition.

Figure 7Transition Panel Offset

813mm [32”] 813mm [32”]

LEFT SIDEPANELOFFSET

RIGHT SIDEPANELOFFSET

Left Side Application Right Side Application

15



TTTTTransition Pransition Pransition Pransition Pransition Panel anel anel anel anel TTTTTypesypesypesypesypesIf a system is placed in a location where traffic will beapproaching from the rear, a transition panel is neces-sary. Figures 8, 9, 10 & 11 show the standard paneltypes. There are variations for each panel type. The

Figure 8 Figure 9

Figure 10 Figure 11

Quad-Beam to Safety Barrier (NJ Shape) Transition Panel

Quad-Beam to W-Beam Transition Panel Quad-Beam End Shoe Transition Panel

Quad-Beam to Thrie-Beam Transition Panel

specific panel needed will depend on system and siteconditions. Therefore, it is important to send site spe-cific data to the customer service department for arecommendation for exact panel needed for your ap-plication.

DIRECTIONOF TRAFFIC

DIRECTIONOF TRAFFIC

DIRECTIONOF TRAFFIC

DIRECTIONOF TRAFFIC

TTTTTransitioning (cont’ransitioning (cont’ransitioning (cont’ransitioning (cont’ransitioning (cont’d.)d.)d.)d.)d.)

16



Figure 12

LEVELING PAD(SHOWN EXAGGERATEDFOR CLARITY)

8% (5O) (12:1)MAXIMUM

Cross-Slope

Site PSite PSite PSite PSite Preparationreparationreparationreparationreparation

Establish ReqEstablish ReqEstablish ReqEstablish ReqEstablish Required Suired Suired Suired Suired System Fystem Fystem Fystem Fystem FootingootingootingootingootingNote that the system must be anchored. MP-3 poly-ester anchor bolts will be supplied for all required an-chorages in concrete. Refer to QuadGuard II Installa-tion Manual, or MP-3 kits for detailed installation in-structions.

1) Is the system to be placed on existing concrete?

Existing concrete - Concrete must be at least150 mm [6"] thick, reinforced 28 MPa [4000 psi]Portland cement concrete (P.C.C.), or 200 mm [8"]thick non-reinforced 28 MPa [4000 psi] P.C. Con-crete Roadway, measuring at least 3.66 m [12’-0”] wide by 15.24 m [50’-0”] long. The concreteshould be in good condition and be free of majorcracks.

New concrete - If existing concrete does not meetthese criteria, a new concrete pad must be placed toproperly secure the system. See concrete pad de-tails supplied with the system.

2) Is there a cross slope at the installation site?

Cross slope exists - If there is a cross slope of morethan 8% (5 deg.), or if the cross slope varies (twists)more than 2% (1 deg.) over the length of the sys-tem, a concrete leveling pad may be required.(See Figure 12)

No Cross slope - No additional action is required.

The QuadGuard II System is considered to be reusable.After most design impacts, you can expect to reuse 65 -70% of the system. The system must be inspected aftereach impact and must be pulled out to its original length.Depending on the impact, components may get damagedand need replacement.

Estimated time for MaintenanceEstimated time for MaintenanceEstimated time for MaintenanceEstimated time for MaintenanceEstimated time for MaintenanceAn experienced two person crew with the proper tools andspare parts should be able to complete the work in one to 3hours depending on the damage done to the system.

Life ExpectancyLife ExpectancyLife ExpectancyLife ExpectancyLife ExpectancyEnvironment

Except due to impact damage, it is anticipated that the car-tridges will survive in a highway environment for a periodranging from 10 to 15 years from the date of installation.

Impacts

Life expectancy is also dependent on the impacts. This in-cludes:

1. The number of impacts

2. The severity of the impacts

3. The temperature at the time of the impacts

Systems must be inspected after each impact. Any car-tridge that is crushed or otherwise damaged should be re-placed and the system should be pulled out to its originallength.

IMPORTANT: After an impact, always follow the“Post-Impact Instructions” in the maintenance andrepair section of the installation manual.

Recycling InformationRecycling InformationRecycling InformationRecycling InformationRecycling InformationWhen parts need to be replaced, it is recommended thatthe old parts be recycled as follows:

Steel should be sold as scrap to a local metal recycler.

Plastic from the cartridges should be sold to a plastic recy-cler if available. If a recycler is unavailable, dispose of thematerial as plastic refuse.

General Mainte-General Mainte-General Mainte-General Mainte-General Mainte-nance and Repairnance and Repairnance and Repairnance and Repairnance and Repair

17



Limitations and Limitations and Limitations and Limitations and Limitations and WWWWWarningsarningsarningsarningsarnings

Energy Absorption Systems, Inc., in compliance with theNational Cooperative Research Highway Program 350(NCHRP Report 350) “Recommended Procedures for theSafety Performance of Highway Safety Features”, con-tracts with FHWA approved testing facilities to performcrash tests, evaluation of tests, and submittal of resultsto the Federal Highway Administration for review.

The 5 bay QuadGuard II System has been tested andevaluated per the recommendations of the NCHRP 350Guidelines* for Test Level 3 (TL-3) terminals and crashcushions. These tests typically evaluate product per-formance by closely simulating actual impacts involv-ing a typical range of vehicles on roadways, from light-weight cars (approx. 820 kg [1800 lb.]) to full sizepickup trucks (approx. 2000 kg [4400 lb.]). A prod-uct can be certified for various speed levels.

TL-1: 50 km/h [31.10 mph]

TL-2: 70 km/h [43.49 mph]

TL-3: 100 km/h [62.13 mph]

These tests are not designed to represent the perfor-mance of products when impacted by every vehicletype or every impact condition.

Energy Absorption Systems, Inc. does not representnor warrant that the results of these controlled testsshow that vehicle impacts with the products in otherconditions would necessarily avoid injury to person(s)or property. Impacts that exceed the design capabili-ties of the product may not result in acceptable crashperformance as outlined in NCHRP Report 350, rela-tive to structural adequacy, occupant risk and vehicletrajectory. Energy Absorption Systems, Inc. expresslydisclaims any warranty or liability for injury or damageto persons or property resulting from any impact, col-lision, or harmful contact with products, other vehicles,or nearby hazards or objects by any vehicle, object orperson, whether or not the products were installed byor under the direction of Energy Absorption Systems,

Inc. or by third parties.

Impact conditions which differ from those describedin NCHRP 350 test matrix for non-gating, redirectingcrash cushions may result in different crash resultsthan those encountered in testing. Furthermore, im-pacts in excess of TL-3 impact severity, or the exist-ence (at the site of the installation) of curbs or crossslopes in excess of 8% may yield crash performancewhich does not meet NCHRP 350 evaluation criteriarelative to structural adequacy, occupant risk and ve-hicle trajectory factors.

The QuadGuard II System was designed to be installed,delineated, and maintained in accordance with Stateand Federal guidelines. It is important to select themost appropriate product configuration for a site. Thecustomer should be careful to properly select, installand maintain the product. Careful evaluation of the sitegeometry, vehicle population type, speed, traffic di-rection and visibility are some of the elements that re-quire evaluation in the proper selection of a safety ap-purtenance. For example, curbs could cause unsafevehicle trajectory.

After an impact occurs, the product should be restoredto its original condition as soon as possible. When a re-usable safety product is struck, it is still necessary to re-store the product to its original length and inspect all thecomponents for damage and repair and/or replace com-ponents as necessary.

*Copy may be obtained from:Transportation Research BoardNational Research Council2101 Constitution Avenue, N.W.Washington, D.C. 20418

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For Customer Service Call1-888-32-ENERG 55

Customer Service Department

USAPhone 1-888-323-6374 Fax 1-312-467-1356

Asia PacificPhone +65 6276 3398 Fax +65 6276 6218

EuropePhone +44-1473-221-105 Fax +44-1473-221-106

35 East Wacker Dr., 11th FloorChicago, IL 60601-2076Engineering and Manufacturing Facilities:Rocklin, California and Pell City, Alabama

A Quixote CompanySaving Lives By Design

ENERGY ABSORPTIONSYSTEMS, INC.

http://www.energyabsorption.com/

Part No. 2750877-0100

Rev. C 4/27/09 ©2008 Energy Absorption Systems, Inc.

CRASH CUSHION SYSTEM (TYPE SCI-100GM)

JSmith

Rectangle

JSmith

Text Box

Only need one transition for reverse direction traffic protection.

JSmith

Line

JSmith

Rectangle

JSmith

Text Box

Cannot be wider than 24" for this transition.

JSmith

Line

JSmith

Line

JSmith

Text Box

Bolts are 31" from front of barrier. If barrier tapers in before this, get measurement. May move the system forward no more than 6". Or you can move the system forward more and use a transition on both sides and move it forward until it is a flat surface.

SPECIFICATIONS

All reinforcing steel - straight #4 ASTM-A36Embedment requirements:

6" reinforced concrete pad with anchor embedment of 5 1/2"8" non-reinforced concrete pad with anchor embedment of 5 1/2"3" asphalt over 3" concrete with anchor embedment of 16 1/2"6" asphalt over 6" of compacted subbase with anchor embedment of 16 1/2"8" asphalt with anchor embedment of 16 1/2"

The contractor shall furnish a certification for material installed to the following requirements:6" reinforced concrete (PCC) sampling per ASTM C31-84, testing per ASTM C39-848" non-reinforced concrete (PCC) sampling per ASTM C31-84, testing per ASTM 39-843" asphalt over 3" concrete - Type SP 12.5 Level C or higher6" asphalt over 6" of compacted subbase - same as above8" asphalt (AC) - Type SP 12.5 Traffic Level C or higher

Cross Slope at Top Surface not to Exceed 1 in 10Foundation must be a Level Plane

Wide Hazards and Transitions may requirethe foundation to be longer. See Transition Drawings.* * * * *

CRASH CUSHION SYSTEM (TYPE TAU II)

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