Energy absorption Quadguard cz User manual

QuadGuard®cz

Portable, Non-Gating, Redirective

Performance For Workzones

Installation Manual

Corporate Offices:

35 East Wacker Dr., 11th Floor

Chicago, IL 60601-2076

Telephone: (312) 467-6750

FAX: (312) 467-1356

http://www.energyabsorption.com/

Engineering and Manufacturing Facilities:

Rocklin, CA

Pell City, AL

A Quixote Company

Saving Lives By Design

ENERGY ABSORPTION

SYSTEMS, INC.

QuadGuard® cz

ImporImpor

Important Intrtant Intr

tant Intrtant Intr

tant Introductoroductor

oductoroductor

oductory Notesy Notes

y Notesy Notes

y Notes

Proper installation of the QuadGuard cz is essential to as-

sure maximum performance. Take the time to review the

installation instructions and product limitations thoroughly

before performing the necessary work. Do not attempt to

install any crash cushion without the proper plans and

installation manual from the manufacturer.

If you need additional information, or have questions about

the QuadGuard cz, please call Energy Absorption Systems’

Customer Service Department at (888) 323-6374.

System Ovystem Ov

ystem Ovystem Ov

ystem Overer

erer

ervievie

vievie

vieww

The QuadGuard cz is a highly efficient, redirective, non-

gating crash cushion for hazards ranging in width from

610 mm to 915 mm (2' to 3'). It consists of crushable,

energy-absorbing cartridges surrounded by a framework

of Quad-BeamTM panels.

The QuadGuard cz utilizes two types of cartridges in a

"staged" configuration to address both lighter cars and

heavier, high center-of-gravity vehicles. Its modular de-

sign allows the system length to be tailored to the design

speed of a site. Refer to the QuadGuard Product Manual

to determine the appropriate length system for a given

design speed.

Crash PCrash P

Crash Perferf

erferf

erformanceormance

ormanceormance

ormance

The 6 bay QuadGuard cz has successfully passed the

NCHRP 350, Test Level 3 tests with both the 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 cz telescopes rear-

ward and crushes to absorb the energy of impact. When

impacted from the side, it safely redirects the vehicle back

toward its original travel path and away from the hazard.

RETURN GOODS POLICY

Before returning any goods for credit please contact

Energy Absorption Systems Inc. Customer Service De-

partment at 1-888-323-6374 or your local distributor

for proper instructions.

Table of Contents

Important Introductory Notes ............................ 2

System Overview ............................................... 2

Crash Performance ............................................ 2

Installation ............................................... 3

Required Tools ................................................... 3

How to Determine Left/Right ............................. 5

Counting the Number of Bays ............................ 5

Measuring The Width ........................................ 6

Site Preparation/Foundation .............................. 6

QuadGuard cz Foundations ................................ 7

Bidirectional Sites .............................................. 7

Inspect Shipping ................................................ 8

Installation Procedures ...................................... 8

Transition Panel Types ....................................... 9

MP-3® Polyester Anchoring System ............... 30

Vertical Installations ........................................ 30

Horizontal Installations .................................... 31

MP-3® Installation Cautions ........................... 32

QuadGuard cz MP-3® Anchoring System ....... 33

Moving the System.................................... 34

QuadGuard cz (without Plate) .......................... 34

QuadGuard cz (with Plate) ............................... 36

QuadGuard cz (with Plate and Optional DPA

Anchorage) ...................................................... 38

Maintenance and Repair ............................. 40

Inspection Frequency....................................... 40

Visual Drive-By Inspection ............................... 40

Walk-Up Inspection ......................................... 40

Post-Impact Instructions ................................. 41

Parts Ordering Procedure ................................ 44

Limitations And Warnings ........................... 45

QuadGuard® cz

ReqReq

Requireduired

uireduired

uired

Toolsools

oolsools

ools

Documentation

• 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 using two

fluted drills to achieve optimum tensile strength when

installing the MP-3 anchoring system.

Hammers

• Roto Hammer

• Sledgehammer

•Standard Hammer

Wrenches

• Heavy Duty Impact Wrench

• Standard adjustable wrench

• 1/2

" drive sockets: 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 sockets

•

Breaker Bar: 1/2

" x 24"

• Torque Wrench: 200 ft-lbs.

• Crescent Wrench: 300 mm [12"]

•Allen Wrench: 3/8"

•Impact Wrench:

1/2

Personal protective equipment

• Safety Glasses

• Gloves

Miscellaneous

• Traffic Control Equipment

• Lifting and Moving Equipment (A lifting device

is preferred although a forklift can be used.) Mini-

mum 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" drilled holes

• Rags, Water, and Solvent for Touch-up

Note: The above list of tools is a general recommen-

dation. The actual number of tools required will

depend on specific site conditions and the com-

plexity of the installation.

InstallationInstallation

Installation

QuadGuard® cz

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

1 Cartridge

2 Diaphragm

3 Quad-Beam™ Fender Panel

Figure 1

4 Nose Cover

5 Monorail

6 Backup

6161

610 mm [24"]0 mm [24"]

0 mm [24"]0 mm [24"]

0 mm [24"]

760 mm [30"]60 mm [30"]

60 mm [30"]60 mm [30"]

60 mm [30"]

9191

915 mm [36"]5 mm [36"]

5 mm [36"]5 mm [36"]

5 mm [36"]

6767

6740 mm [22'-1 3/8"]40 mm [22'-1 3/8"]

40 mm [22'-1 3/8"]40 mm [22'-1 3/8"]

40 mm [22'-1 3/8"]

Key

(Six bay systems shown)

Elevation

Plan

QuadGuard® cz

Figure 2

HoHo

How to Determine Lefw to Determine Lef

w to Determine Lefw to Determine Lef

w to Determine Left/Rightt/Right

t/Rightt/Right

t/Right

To determine left from right when ordering parts, stand

in front of the system facing the hazard as shown in Fig-

ure 2. Your left is the system's left and your right is the

system's right.

Counting the Number of BaCounting the Number of Ba

Counting the Number of Baysys

ysys

One bay consists of one cartridge, one diaphragm, and

two fender panels. The nose section is not considered a

bay, though there is a cartridge in the nose of each sys-

tem. Note that this means there will always be one more

cartridge in the system than the number of bays in the

system. To determine number of bays, count fender pan-

els on one side, see Figure 2 (5 bay system shown).

FRONT

RIGHT

LEFT

REAR

FENDER PANELS

NOSE

System Orientation

BAY

NOSE

CARTRIDGE

DIAPHRAGM

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

Site PSite P

Site Preparation/Freparation/F

reparation/Freparation/F

reparation/Foundationoundation

oundationoundation

oundation

Caution: The QuadGuard cz must be correctly

anchored for proper impact performance.

Anchor the system using one of the following:

7" studs may be used to anchor the system to 28 MPa

[4000 psi] min. P.C. concrete per the following mini-

mums:**

a) 150 mm [6"] non-reinforced roadway

b) 200 mm [8"] reinforced portable pad per draw-

ing 35-40-10

c) 180 mm [7"] deck structure

18" threaded rods may be used to install system on as-

phalt.**

**Refer to the QuadGuard cz MP-3 Anchoring System

Installation Instructions on page 31 for specifications.

Installation cross slope shall not exceed 8% and should

not vary (twist) more than 2% over the length of the sys-

tem; the pad surface shall have a light broom finish.

Note: Refer to pages 7 & 11 through 17 for an-

choring details.

Caution: Accurate placement of all steel rebar

is critical to avoid interference with the con-

crete Anchor Bolts.

WARNING!

Location of the backup in relation to nearby objects will

affect the operation of the attenuator. Upon impact, the

fender panels telescope toward and extend beyond the

rigid backup as much as 760 mm [30"] from their pre-

impact location. Position the backup so that the rear

ends of the last fender panels are a minimum of 760 mm

[30"] forward of objects that would otherwise interfere

with movement of the panels. Failure to comply with

this requirement may result in impaired system

performance offering motorists less protection and

cause component damage.

The nominal width of a system is the width between

side panels behind the backup (see Figure 3).

The outside width of the system is approximately

150 mm [6"] to 230 mm [9"] wider than the nominal

width. The width of the system is not the same as

the width of the backup.

BACKUP

Figure 3

Width of System

MeasuringMeasuring

Measuring

TheThe

The WidthWidth

WidthWidth

Width

The QuadGuard cz is available in three nominal widths:

• 610 mm [24"]

• 760 mm [30"]

• 915 mm [36"]

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

QuadGuard cz FQuadGuard cz F

QuadGuard cz Foundationsoundations

oundationsoundations

oundations

The QuadGuard cz may be installed on any of the following

Foundations using the specified anchorage:

Foundation A: Concrete Pad or Roadway

Foundation: 150 mm [6"] minimum depth

Portland Cement Concrete (P.C.C.)

Anchorage: MP-3® with 180 mm [7"] studs

140 mm [5.5"] embedment

Foundation 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"] studs

420 mm [16.5"] embedment

Foundation C: Asphalt over Subbase

Foundation: 150 mm [6"] minimum (A.C.) over

150 mm [6"] minimum Compacted Sub-

base (C.S.)

Anchorage: MP-3 with 460 mm [18"] studs

420 mm [16.5"] embedment

Foundation D: Asphalt Only

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

Anchorage: MP-3 with 460 mm [18"] studs

420 mm [16.5"] embedment

Foundation Specifications

for Foundations A, B, C and D mentioned above

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, test-

ing 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

Figure 4

PCMB Anchored To Roadway

Bidirectional SitesBidirectional Sites

Bidirectional Sites

At bidirectional sites, the rear of the system must be either

offset away from the traffic approaching from rear of the

system or be installed with a Transition Panel to prevent

snagging of vehicles (see Figure 45 on page 26 for maxi-

mum gap). The Transition Panels are depicted on page 9.

If attaching to portable concrete barrier (PCMB) the last sec-

tion of barrier must be anchored to the roadway (see Fig-

ure 4 and drawings supplied with your system). Anchor

Brackets are available from Energy Absorption Systems, Inc.

Note:

Walk-up inspections are recommended at least

once every six months for installations on asphalt.

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

Inspect ShippingInspect Shipping

Inspect Shipping

Before installing the QuadGuard cz , check the received

parts against the shipping list supplied with the system.

Make sure all parts have been received.

Installation PInstallation P

Installation Prr

roceduresocedures

oceduresocedures

ocedures

Note: The drawing package supplied with the

QuadGuard cz must be used with these instruc-

tions for proper assembly and should take prece-

dence over these general instructions.

QUAD-BEAM™ TO W-BEAM

TRANSITION PANEL

Figure 5

Transitioning the QuadGuard cz

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

1) Determine Transition Type

A transition panel or side panel will be used on each

side of the backup. A side panel is not needed when a

transition panel is used. Several types of transitions

are available for use with the QuadGuard cz. Refer to

figures 5 through 10 and the drawing package to de-

termine which type of panels are being installed.

QuadGuard® cz

Transition Pransition P

ransition Pransition P

ransition Panelanel

anelanel

anel

Typesypes

ypesypes

ypes

Note: The proper transition or side panel must be

used for optimum impact performance of the sys-

tem. The correct panel to use will depend on the

direction of traffic and what type of barrier or haz-

ard the QuadGuard cz is shielding. Contact the

Customer Service Department prior to installation

if you have any questions.

Figure 8

Figure 9 Figure 10

Figure 7

Note: Wheel Deflectors may be required for this

application.

Figure 6

No Transition

Quad-Beam to Thrie-Beam Transition Panel

Quad-Beam to Safety Shape Barrier Transition Panel

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

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

Bolting Monorail Segments Together

Figure 12

MONORAIL SEGMENT

3) Bolt together monorail segments

All monorail segments must be bolted together us-

ing the bolts provided with the QuadGuard cz. The

number of monorail segments will vary by system

length. Torque the nut until the lock washer is fully

compressed. Refer to Figure 12.

QuadGuard cz (without plate)QuadGuard cz (without plate)

QuadGuard cz (without plate)

2) Mark System Location

Locate the centerline of the system by measuring the

proper offset from the hazard. Refer to the drawing

package supplied with the system. Place chalk line

to mark the centerline of the system. Mark a con-

struction line parallel to the center line and offset

165 mm [6.5"] to one side as shown in Figure 11.

The edge of the monorail will be placed on this line.

Note: The concrete pad should be installed per the

project plans supplied with the system.

Figure 11

(Top View of Concrete Pad)

Locating Construction Line

165 mm [6.5"]

CENTERLINE OF SYSTEM

CONSTRUCTION LINE

WARNING!

Location of system with respect to the hazard is

critical and dependent on the type of transition

panel used. See the project plans supplied with the

system for details.

5/8" X 3 1/2"

G5 HEX BOLT

5/8" LOCK WASHER

5/8" HEX NUT

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

4) Anchor the Backup and Monorail

Refer to Figure 13 (showing backup assembly) and

figures 14 and 15 (showing monorail installation).

Also refer to the drawing package.

A. Backup Installation

Locate backup and monorail on foundation with side

of monorail on the construction line (see Figure 15).

Verify that any applicable transition panels fit prop-

erly before anchoring backup. Drill anchor holes in

foundation using the backup as template. Anchor the

backup to the foundation using the MP-3 vertical kits

provided.

See page 12 for anchoring options and page 28 “MP-3

Polyester Anchoring System".

B. Monorail installation

Locate the monorail using the monorail assembly

drawings. Orient monorail so that the monorail

tongues face the backup. Drill anchor holes using

the monorail as a template (see figure 15). Do not

drill through pad. Anchor each monorail section us-

ing the MP-3 vertical kits provided. Refer to Figure 17

and the MP-3 Polyester Anchoring System Instruc-

tions on page 28. It is important to install each seg-

ment of monorail in alignment from the back to the

front of the system (+/- 6 mm [1/4"]).

CZ BACKUP

Figure 13

Anchoring cz Backup to Foundation

WARNING!

Every hole and slot in backup and monorail must have

an MP-3 stud anchoring it.

Figure 15

Backup and Monorail Location

100 mm [4"] BACKUP MONORAIL 3/4" STUD

CENTERLINE

CONSTRUCTION LINE

CAUTION:

40 mm [1.50"]

MAX. STUD HEIGHT

Figure 14

MP-3 ANCHOR

BACKUP OR MONORAIL

ROADWAY

WARNING!

Improper alignment at the monorail splice joints will

prevent proper system collapse during an impact.

Proper Stud Height

VERTICAL MP-3 KIT

WITH 3/4" X 7" STUD

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

QuadGuard cz (without plate)QuadGuard cz (without plate)

QuadGuard cz (without plate)

Note: Cross slope shall not exceed 8% and not

vary (twist) more than 2% from front to back.

See Figure 16.

8% SLOPE

MAX.

Figure 16

Max. Allowable Cross Slope

Figure 17

Anchoring the System

SOIL

3/4" DIA. MP-3

THREADED ROD SYSTEM

QUADGUARD CZ SYSTEM

MIN. 483mm [19"] TYP.

ROADWAY EDGE

C - ASPHALT* ROADWAY

D - NON-REINFORCED P.C. CONCRETE* ROADWAY

OR E - COMPACTED SUBBASE*

*MATERIALS:

C - ASPHALTIC CONCRETE

•ASPHALT BINDER AR-4000

•ASPHALT AGGREGATE 3/4

(19mm) MAX. MED A B

D - 28 MPa [4000 PSI] P.C. CONCRETE

E - SUBBASE PREPARED AS COMPACTED

•CLASS 2

•95% COMPACTION MIN. LAYER

Note:

Walk-up inspections are recommended at least

once every six months for installations on as

phalt.

Note: 18"Anchors are supplied with the QuadGuard cz.

If another substrate is encountered, please call Customer

Service to discuss options.

Use MP-3 Polyester Anchoring System supplied by

Energy Absorption Systems, Inc. or approved equal.

QuadGuard czs installed on asphalt must be inspected

to ensure the anchors are still properly set following

each impact. Re-anchor as necessary.

Use the Plate/Monorail sections as a template to drill

anchor holes. Refer to figure 17 and instructions con-

tained in the MP-3 Polyester Anchor box supplied with

the system for detailed anchoring instructions.

Depth Combinations

Req’d Stud LengthEDC

180 mm [7"]--150 mm [6"]--

460 mm [18"]--75 mm [3"]75 mm [3"]

----

150 mm [6"] 460 mm [18"]

460 mm [18"]

150 mm [6"]

200 mm [8"]

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

PLATE/MONORAIL SEGMENT

Bolting Plate/Monorail Segments Together

Figure 18

PLATE/MONORAIL SEGMENT

Detail 18a

3/4" X 10 UNC STUD

18A

QuadGuard cz (with plate)QuadGuard cz (with plate)

QuadGuard cz (with plate)

2) Mark System Location

Locate the centerline of the system by measuring the

proper offset from the hazard. Refer to the drawing pack-

age supplied with the system. Place chalk line to mark

the centerline of the system. Mark a construction line

parallel to the center line and offset 534 mm [21"] to

one side. The edge of the monorail plate will be placed

on this line. See figure 19.

3) Bolting together of plate/monorail seg-

ments

All plate/monorail segments must be bolted together

using the bolts provided with the QuadGuard cz. The

number of monorail segments will vary by system

length. Torque the nut until the lock washer is fully

compressed. Refer to Figure 18.

Figure 19

534 mm [21”]

CONSTRUCTION LINE

CENTERLINE

5/8" X 3 1/2" G5 HEX BOLT

5/8" LOCK WASHER

5/8" HEX NUT

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

QuadGuard cz (with plate)QuadGuard cz (with plate)

QuadGuard cz (with plate)

4) Anchor the System

Note: Cross slope of plate shall not exceed 8% and

not vary (twist) more than 2% from front to back.

For these conditions, a leveling pad is required.

See Figure 20.

8% SLOPE

MAX.

Figure 20

Max. Allowable Cross Slope

Figure 21

Anchoring the System

SOIL

3/4" DIA. MP-3

THREADED ROD SYSTEM

QUADGUARD CZ SYSTEM

MIN. 483mm [19"] TYP.

ROADWAY EDGE

C - ASPHALT*

D - REINFORCED P.C. CONCRETE*

OR E - COMPACTED SUBBASE*

*MATERIALS:

C - ASPHALTIC CONCRETE

•ASPHALT BINDER AR-4000

•ASPHALT AGGREGATE 3/4

(19mm) MAX. MED A B

D - 28 MPa [4000 PSI] P.C. CONCRETE

E - SUBBASE PREPARED AS COMPACTED

•CLASS 2

•95% COMPACTION MIN. LAYER

Depth Combinations

Note:

Walk-up inspections are recommended at least

once every six months for installations on as

phalt.

Note: 18"Anchors are supplied with the QuadGuard cz.

If another substrate is encountered, please call Customer

Service to discuss options.

Req’d Stud LengthEDC

180 mm [7"]--150 mm [6"]--

460 mm [18"]--75 mm [3"]75 mm [3"]

----

150 mm [6"] 460 mm [18"]

460 mm [18"]

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

Use MP-3 Polyester Anchoring System supplied by

Energy Absorption Systems, Inc. or approved equal.

QuadGuard czs installed on asphalt must be inspected

to ensure the anchors are still properly set following

each impact. Re-anchor as necessary.

Use the Plate/Monorail sections as a template to drill

anchor holes. Refer to figure 21 and instructions con-

tained in the MP-3 Polyester Anchor box supplied with

the system for detailed anchoring instructions.

150 mm [6"]

200 mm [8"]

QuadGuard® cz

QuadGuard cz (with plate andQuadGuard cz (with plate and

QuadGuard cz (with plate and

Optional DPOptional DP

Optional DPAA

A AncAnc

AncAnc

Anchorage)horage)

horage)horage)

horage)

2) Mark System Location

Locate the centerline of the system by measuring the

proper offset from the hazard. Refer to the drawing pack-

age supplied with the system. Place chalk line to mark

the centerline of the system. Mark a construction line

parallel to the center line and offset 534 mm [21"] to

one side. The edge of the monorail plate will be placed

on this line. See figure 22.

WARNING!

Location of the system with respect to the hazard

is critical and dependent on the type of transition

panel used. See the project plans supplied with the

system for details.

3a)

Bolting together of plate/monorail segments

All plate/monorail segments must be bolted together

using the bolts provided with the QuadGuard cz. The

number of monorail segments will vary by system

length. Torque the nut until the lock washer is fully com-

pressed. Refer to Figure 18.

WARNING!

All QuadGuard cz plate/monorail segments must be

bolted together and torqued to fully compress the lock

washer before attempting to move or install the system.

Figure 22

534 mm [21”]

CONSTRUCTION LINE

CENTERLINE

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

QuadGuard cz (with plate andQuadGuard cz (with plate and

QuadGuard cz (with plate and

Optional DPOptional DP

Optional DPAA

A AncAnc

AncAnc

Anchorage)horage)

horage)horage)

horage)

3b) Bolting together of Wing Plates to

Monorail Plate Segments

After the monorail plate segments have been bolted

together, place the system on top of several saw

horses or other type of adequate table support. Us-

ing 5/8" x 2" rail bolts and 5/8" rail nuts, attach a wing

plate to the front of the first monorail plate, to the

rear of the backup monorail plate, and at the con-

nection point for each monorail plate segment. See

figure 23.

Figure 23

Wing Plate Attachment

FIRST MONORAIL PLATE

WING PLATE

BACKUP MONORAIL PLATE

5/8” X 2" RAIL BOLT

5/8” RAIL NUT

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

WARNING!

Location of the system with respect to the hazard

is critical and dependent on the type of transition

panel used. See the project plans supplied with the

system for details.

4) Anchor the System

Note: The plate is not to be used on cross slopes

that exceed 8% or vary (twist) more than 2% from

front to back. For these conditions, a leveling pad

is required. See Figure 24.

Use the parts supplied by Energy Absorption Systems, Inc.

QuadGuard czs installed on asphalt or soil must be in-

spected to ensure the system is properly anchored fol-

lowing each impact. Refurbish and re-anchor as nec-

essary.

1. Lift the system into place at the marked loca-

tion. If required, attach the system to the haz-

ard/barrier via pin and loop connection (see Fig-

ure 25) and/or transition panel(s).

8% SLOPE

MAX.

Figure 24

Max. Allowable Cross Slope

Figure 25

Pin and Loop Connection

2. Once system is in place, position pile driving

equipment over a square hole in the outboard

wing plate as shown in Figure 26.

3. Place the 72 ¾" x 6" x 6" Drivable Post into the

square hole in the wing plate as shown in Fig-

ure 26. Use a small level to ensure the post is

straight for pile driving. Drive post into the ground

until the post's top plate is flush with the top of

the wing plate.

4. Use the ¾" x 2 ½" hex bolts to fasten the ¾" x 10"

x 10" Post Cap to the top of the post as shown in

Figure 27.

Figure 26

Figure 27

POST CAP

DRIVABLE POST

Repeat this procedure until system is completely an-

chored. 3/4" X 2 1/2" G8

HEX BOLT

DRIVABLE POST

WING PLATE

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

5) Attach Side Panels and/or Transition

Panels to Backup Assembly

Attach the side panel or transition panel as appropri-

ate to each side of backup. Refer to Figure 28 and

the drawing package for more information.

Figure 28

Side Panel/Transition Panel Attachment

5/8" RAIL NUT

(SEE FIGURE 32)

SIDE PANELS SHOWN.

IN SOME CASES, THIS WILL

BE A TRANSITION PANEL

(SEE FIGURES 7 THRU 10)

CZ BACKUP

5/8" X 2" RAIL BOLT

Installation tip:

Use drift pin to align the center hole of the panel with

the center hole of the backup before installing the

rail bolts.

Note: A side panel is not needed when a transition

panel is used.

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

6) Attach Monorail Guides

Using 3/4" x 2" Grade 8 Hex Bolts, 3/4" Lock Washers

and 3/4" Nuts, attach monorail guides to diaphragms

as shown in Figure 29.

Figure 29

DIAPHRAGM

Figure 31

Diaphragm spacing

915 mm [36"] DIAPHRAGMS

915 mm [36"]

TYPICAL

7) Install Diaphragms

Orient a diaphragm so that the front face of the

Quad-Beam shape faces toward the nose of the sys-

tem as shown in Figure 30. Slide one diaphragm all

the way to the backup to ensure the system is able to

collapse properly during impact. Once this has been

verified, slide the diaphragm forward to approximately

915 mm [36"] in front of the backup. Orient and slide

all other diaphragms onto monorail and position each

approximately as shown in Figure 31.

TOWARD NOSE

FRONT

BACK

Figure 30

Diaphragm Orientation

QUAD-BEAM

FRONT FACE OF BACKUP MONORAIL

Monorail Guide Attachment

3/4" HEX NUT

3/4" LOCK WASHER

3/4" X 2” G8 HEX BOLT

MONORAIL GUIDE

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

QuadGuard® cz

8) Install Fender Panels

Note: Do not mix the 5/8" rail nuts (large) with

the 5/8" hex nuts (small). See Figure 32.

32 mm [1.25"] 24 mm [0.94"]

Figure 32

Rail Nuts are Oversize

5/8" RAIL NUT (LARGE) 5/8" HEX NUT (SMALL)

Figure 33

Fender Panel Assembly

DIAPHRAGM

BACKUP OR DIAPHRAGM

5/8" RAIL BOLT

5/8" FLATHEAD

SOCKET SCREW

MUSHROOM WASHER

FENDER PANEL

SIDE PANEL,

FENDER PANEL, OR

TRANSITION PANEL

KEEP CENTER HOLE EMPTY

FOR NEXT PANEL

SPRING

5/8" FLAT WASHER

5/8" RAIL NUT (LARGE)

5/8" RAIL BOLT

Starting at the backup, install left and right fender

panels as shown in Figures 33, 34 and fender panel

assembly drawing.

Step 1

Place the fender panel so that the center hole of

the rearward diaphragm is lined up with the ap-

proximate center of the slot in the fender panel.

Attach mushroom washer assembly as shown in

Figures 33 and 34, but do not torque at this time.

(This helps to balance the fender panel.)

Step 2

Slide the fender panel forward until the holes in

the fender panel line up with the holes in the for-

ward diaphragm.

Step 3

Use a drift pin to align the

center hole of the fender

panel with the center hole

of the diaphragm.

Step 4

Attach the front of the

fender panels to the next

diaphragm using two rail

bolts and large hex nuts

per side. Use only the top

and bottom holes, leave

the center hole open un-

til the next fender panel

is installed.

5/8" HEX NUT (SMALL)

5/8" RAIL NUT (LARGE)

Installation (cont’Installation (cont’

Installation (cont’d.)d.)

d.)d.)

d.)

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