1200 New Jersey Ave ., SE

Washington, D.C. 20590 

September 25, 2017 In Reply Refer To: 

HSST-1/B-287 

Mr. Russell Hood 

Safe Barriers Pte. Ltd. 

PO Box 148, Novena Post Office 

Singapore 913017 

Dear Mr. Russell Hood: 

This letter is in response to your June 15, 2017 request for the Federal Highway Administration 

(FHW A) to review a roadside safety device, hardware, or system for eligibility for 

reimbursement under the Federal-aid highway program. This FHWA letter of eligibility is 

assigned FHW A control number B-287 and is valid until a subsequent letter is issued by FHW A 

that expressly references this device. 

Decision 

The following device is eligible within the length-of-need, with details provided in the form 

which is attached as an integral part of this letter: 

• Defender BarrierTM 70 

Scope of this Letter 

To be found eligible for Federal-aid funding, new roadside safety devices should meet the crash 

test and evaluation criteria contained in the American Association of State Highway and 

Transportation Officials'(AASHTO) Manual for Assessing Safety Hardware (MASH). 

However, the FHWA, the Department of Transportation, and the United States Government do 

not regulate the manufacture of roadside safety devices. Eligibility for reimbursement under the 

Federal-aid highway program does not establish approval, certification or endorsement of the 

device for any particular purpose or use. 

This letter is not a determination by the FHWA, the Department of Transportation, or the United 

States Government that a vehicle crash involving the device will result in any particular 

outcome, nor is it a guarantee of the in-service performance of this device. Proper 

manufacturing, installation, and maintenance are required in order for this device to function as 

tested. 

This finding of eligibility is limited to the crash worthiness of the system and does not cover other 

structural features, nor conformity with the Manual on Uniform Traffic Control Devices. 
2 

Eligibility for Reimbursement 

Based solely on a review of crash test results and certifications submitted by the manufacturer, 

and the crash test laboratory, FHWA agrees that the device described herein meets the crash test 

and evaluation criteria of the AASHTO's MASH. Therefore, the device is eligible for 

reimbursement under the Federal-aid highway program if installed under the range of tested 

conditions. 

Name of system: Defender BarrierTM 70 


Type of system: Longitudinal Barrier 


Test Level: MASH Test Level 2 (TL2) 


Testing conducted by: Holmes Solutions 


Date of request: July 6, 2017 

Date initially acknowledged: July 6, 2017 


FHWA concurs with the recommendation of the accredited crash testing laboratory on the 

length- of-need tests for Defender BarrierTM 70 as stated within the attached form. 

Full Description of the Eligible Device 

The device and supporting documentation, including reports of the crash tests or other testing 

done, videos of any crash testing, and/or drawings of the device, are described in the attached 

form. 

Notice 

This eligibility letter is issued for the subject device as tested. Modifications made to the device 

are not covered by this letter and will need to be tested in accordance with all recommended tests 

in AASHTO's MASH as part of a new and separate submittal. 

You are expected to supply potential users with sufficient information on design, installation and 

maintenance requirements to ensure proper performance. 

You are expected to certify to potential users that the hardware furnished has the same chemistry, 

mechanical properties, and geometry as that submitted for review, and that it will meet the test 

and evaluation criteria of AASHTO's MASH. 

Issuance of this letter does not convey property rights of any sort or any exclusive privilege. This 

letter is based on the premise that information and reports submitted by you are accurate and 

correct. We reserve the right to modify or revoke this letter if: (1) there are any inaccuracies in 

the information submitted in support of your request for this letter, (2) the qualification testing 

was flawed, (3) in-service performance or other information reveals safety problems, (4) the 

system is significantly different from the version that was crash tested, or (5) any other 

information indicates that the letter was issued in error or otherwise does not reflect full and 

complete information about the crash worthiness of the system. 
3 

Standard Provisions 

• 	 To prevent misunderstanding by others, this letter of eligibility designated as FHW A 

control number B-287 shall not be reproduced except in full. This letter and the test 

documentation upon which it is based are public information. All such letters and 

documentation may be reviewed upon request. 

• 	 This letter shall not be construed as authorization or consent by the FHW A to use, 

manufacture, or sell any patented system for which the applicant is not the patent holder. 

• 	 Ifthe subject device is a patented product it may be considered to be proprietary. If 

proprietary systems are specified by a highway agency for use on Federal-aid projects: 

(a) they must be supplied through competitive bidding with equally suitable unpatented 

items; (b) the highway agency must certify that they are essential for synchronization 

with the existing highway facilities or that no equally suitable alternative exists; or ( c) 

they must be used for research or for a distinctive type of construction on relatively short 

sections of road for experimental purposes. Our regulations concerning proprietary 

products are contained in Title 23, Code of Federal Regulations, Section 635.411. 

Sincerely, 

Robert Ritter 

Acting Director, Office of Safety 

Technologies 

Office of Safety 

Enclosures 
Version 10.0 (05/16) 

Page 1 of 7 

Request for Federal Aid Reimbursement Eligibility 

of Highway Safety Hardware 

... 

....

....

·e

QI

.0

:::s 

II)

Date of Request: June 15, 20 17 

Name: Russell Hood 

I r. New (' Resubmission 

Company: 

Address : 

Country: 

Safe Barriers Pte. Ltd. 

PO Box 148, Novena Post Office, Singapore 913017 

Singapore 

To: 

Michael S. Griffith, Director 

FHWA, Office of Safety Technologies 

I request the following devices be considered eligible for reimbursement under the Federal-aid 

highway program. 

Device & Testing Criterion - Enter from right to left starting with Test Level Fl 

System Type Submission Type Device Name I Variant Testing Criterion Test 

Level 

'B': Rigid/Semi-Rigid Barriers 

(Roadside, Median, Bridge 

Railinas\ 

(9 Physical Crash Testing 

(' Engineering Analysis 

Defender BarrierTM 70 

AASHTO MASH TL2 

By submitting this request for review and evaluation by the Federal Highway Administration, I certify 

that the product(s) was (were) tested in conformity with the AASHTO Manual for Assessing Safety 

Hardware and that the evaluation results meet the appropriate evaluation criteria in the MASH. 

Individual or Organization responsible for the product: 

Contact Name: Russell Hood Same as Submitter [XI 

Company Name: Safe Barriers Pte. Ltd. Same as Submitter [XI 

Address: PO Box 148, Novena Post Office, Singapore 913017 Same as Submitter [XI 

Country: Singapore Same as Submitter [XI 

Enter below all disclosures of financial interests as required by the FHWA ' Federal-Aid Reimbursement 

Eligibility Process for Safety Hardware Devices' document. 

Holmes Solutions performs crash testing activities for Safe Barriers Pte. Ltd . For the completion of these services, 

Holmes Solutions receive payment in the form of professional fees. In no circumstance are these fees received 

linked to the performance of the product not the outcome of the tests. In accordance with the requirements of 

Holmes Solutions ISO 17025 accreditation, all testing activities are completed free from undue commercial 

influence. 

Holmes Solutions does not have, nor ever had, any financial interest in Safe Barriers or any of the products that 

they sell. Holmes Solutions does not receive and research funding or other forms of payment from Safe Barriers. 

Holmes Solutions have no business ownership or investment interest in Safe Barriers. No licensing agreements 

exist between Holmes Solutions and Safe Barriers. 
Version 10.0 (05/16) 

Page 2 of 7 

PRODUCT DESCRIPTION 

(9 New Hardware or 

Significant Modification 

(' Modification to 

Existing Hardware 

The Defender BarrierTM 70 is an unanchored Test Level 2 longitudinal steel temporary barrier system consisting 

of: 

Steel Barrier Segments - Barrier segments are manufactured from Q235B grade steel with a nominal 3.0mm 

wall thickness. Each barrier measures 3960mm (155.9") long x 800mm (31.4") high x 680mm (26.7") wide and 

have a dry weight of 320kg (705 .6lbs). Each of the steel barriers connect together via interlocking flanges and a 

steel galvanized connecting pin at each end. The installed length of each barrier segment is 3900mm (153.5"). 

The two lifting points for the barrier are approximately 1350mm (53.15") apart. 

Connecting Pins - Galvanized connecting pins connecting the barrier segments are manufactured from Q235B 

steel and measure 30mm (1 .18") diameter x 550mm (21 .6") long. The top of the pin has a 50mm (2") wide x 

9.5mm (0.37") thick plate welded 5mm down from the top end of the bar. Pins are fitted vertically down 

through interlocking lugs of the barrier segment forming a hinge type joint. 

Ballast Boxes - Three ballast boxes measuring 954mm (37.55") long x 788mm (31 ") high x 150mm (5.9") wide. 

Each ballast box can hold 0.1 cubic meter of concrete, approximately 240kg (529.2lbs) in weight. There is a 

filling hole measuring 1 lOmm (4.33") x 190mm (7.48") for each ballast box. Each ballast box if connected to the 

barrier segment with four (4) M16 G8.8 bolts. 

End Treatments - The test article incorporated the ABSORB 350 crash cushion with transition adapter straps 

that connect to the Defender BarrierTM 70. The adapter straps which attach between the adapter tapered 

ABSORB and the first Defender BarrierTM 70 segment require purpose drilled 22mm holes on the first barrier 

segment to attach M20 8.8G threaded rod to attach the straps. 

CRASH TESTING 

By signature below, the Engineer affiliated with the testing laboratory, agrees in support of this submission that 

all of the critical and relevant crash tests for this device listed above were conducted to meet the MASH test 

criteria. The Engineer has determined that no other crash tests are necessary to determine the device meets 

the MASH criteria. 

Engineer Name: Emerson Ryder 

Engineer Signature: Emerson Ryder Digitally signed by Emerson Ryder 

Date: 2017.06.1504:46:40+12'00' 

Address : 7 Canterbury Street Christchurch Same as Submitter D 

Country: New Zealand Same as Submitter D 

A brief description of each crash test and its result : 
Version 10.0 (05/16) 

Page 3 of 7 

Required Test 

Number 

Narrative 

Description 

Evaluation 

Results 

2-10(1100() 

Holmes Crash Test No. 131393.2-1 O was 

performed on 27th April 2017. The 

Defender BarrierTM 70 successfully contained 

and redirected the 11 OOc vehicle impacting 

the test article at 24.7 degrees and a 

velocity of 69.4km/h (43.1 mph). Maximum 

dynamic deflection during the test was 

0.74m (29.1"). 

The test vehicle impacted the test 

installation 11 OOmm upstream of barrier 

joint 1OB. The CIP was chosen to maximize 

the potential to snag a wheel on the 

adjoining barriers and also to increase the 

Occupant Impact Velocity (OIV). 

No debris or detached elements penetrated 

or showed potential to penetrate the 

occupant compartment. No fragments 

were distributed outside of the vehicle 

trajectory. The trajectory of the vehicle was 

such that it did not present any undue 

hazard to other traffic, pedestrians or work 

zone personnel. 

The vehicle remained upright during and 

after the impact and vehicle stability was 

considered satisfactory. Occupant risk 

factors satisfied the test criteria and the 

vehicle exit trajectory remained within 

acceptable limits. 

PASS 
Version 10.0 (05/16) 

Page 4 of 7 

Required Test 

Number 

Narrative 

Description 

Evaluation 

Results 

2-11 (2270P) 

Holmes Crash Test No. 131393.2-11 was 

performed on 27th April 2017. The 

Defender BarrierTM 70 successfully contained 

and redirected the 2270P vehicle impacting 

the test article at 24.7 degrees and a 

velocity of 70.2km/h (43.6mph). Maximum 

dynamic deflection during the test was 

1.20m (47.2"). 

The test vehicle impacted the test 

installation 600mm upstream of barrier joint 

1OB. The CIP was chosen to test the 

containment and vehicle stability, while also 

imparting the most amount of load on the 

connection joint. 

No debris or detached elements penetrated 

or showed potential to penetrate the 

occupant compartment. No fragments 

were distributed outside of the vehicle 

trajectory. The trajectory of the vehicle was 

such that it did not present any undue 

hazard to other traffic, pedestrians or work 

zone personnel. 

The vehicle remained upright during and 

after the impact and vehicle stability was 

considered satisfactory. Occupant risk 

factors satisfied the test criteria and the 

vehicle exit trajectory remained within 

acceptable limits. 

PASS 
Version 10.0 (05/16) 

Page 5 of 7 

2-20 (11 OOC) 

Holmes Crash Test No. 131393.2-20 was 

performed on 11th May 2017. The 

Defender BarrierTM 70 successfully contained 

and redirected the 11 OOc vehicle impacting 

the test article at 24.8 degrees and a 

velocity of 71.5 km/h (44.4 mph). Maximum 

dynamic deflection during the test was 

1.20m (47.2"). 

The test vehicle impacted the test 

installation Omm upstream of barrier 

transition assembly. The CIP was chosen to 

maximize the potential to snag a wheel on 

the adjoining barriers, verify vehicle 

trajectory and also to increase the Occupant 

Impact Velocity (OIV). 

No debris or detached elements penetrated 

or showed potential to penetrate the 

occupant compartment. No fragments 

were distributed outside of the vehicle 

trajectory. The trajectory of the vehicle was 

such that it did not present any undue 

hazard to other traffic, pedestrians or work 

zone personnel. 

The vehicle remained upright during and 

after the impact and vehicle stability was 

considered satisfactory. Occupant risk 

factors satisfied the test criteria and the 

vehicle exit trajectory remained within 

acceptable limits. 

PASS 
Holmes Crash Test No. 131393.2-21 was 

performed on 11th May 2017. The 

Defender BarrierTM 70 successfully contained

and redirected the 2270P vehicle impacting 

the test article at 25.4 degrees and a 

velocity of 71.6 km/h (44.5 mph). Maximum

dynamic deflection during the test was 

2.80m (110.2"). 

The test vehicle impacted the test 

installation Omm upstream of barrier 

transition assembly. The CIP was chosen to 

maximize the potential for vehicle roll over, 

to verify vehicle trajectory and structural 

capacity of the test article. 

No debris or detached elements penetrated 

or showed potential to penetrate the 

occupant compartment. No fragments 

were distributed outside of the vehicle 

trajectory. The trajectory of the vehicle was 

such that it did not present any undue 

hazard to other traffic, pedestrians or work 

zone personnel. 

The vehicle remained upright during and 

after the impact and vehicle stability was 

considered satisfactory. Occupant risk 

factors satisfied the test criteria and the 

vehicle exit trajectory remained within 

acceptable limits. 

2-21 (2270P) PASS 

Version 10.0 (05/16) 

Page 6 of 7 

Full Scale Crash Testing was done in compl iance with MASH by the following accredited crash test 

laboratory (cite the laboratory' s accreditation status as noted in the crash test reports .): 

Laboratory Name: Holmes Solutions 

Laboratory Signature: Emerson Ryder Digitally signed by Emerson Ryder 

Date: 2017.06.1504:54:42+12'00' 

Address : 7 Canterbury Street Christchurch Same as Submitter 0 

Country: New Zealand Same as Submitter O 

Accreditation Certificate 

ISO/ IEC 17025:2005 IANZ Certificate Number:l 022 Number and Dates of current 23 July 2009 to present Day Accreditat ion period : 

Su bmit Form 

ATTACHMENTS 
Version 10.0 (05/16) 

Page 7 of 7 

Attach to this form: 


1) Additional disclosures of related financial interest as indicated above. 


2) A copy of the full test report, video, and a Test Data Summary Sheet for each test conducted in 


support of this request. 

3) A drawing or drawings of the device(s) that conform to the Task Force-13 Drawing Specifications 

[Hardware Guide Drawing Standards]. For proprietary products, a single isometric line drawing is 

usually acceptable to illustrate the product, with detailed specifications, intended use, and contact 

information provided on the reverse. Additional drawings (not in TF-13 format) showing details that 

are relevant to understanding the dimensions and performance of the device should also be submitted 

to facilitate our review. 

FHWA Official Business Only: 

Eligibility Letter 

Number Date Key Words 

-
Test Article: 

Total Len th 

Key Elements - Barrier 

Description 

length of Barrier Installation 

Height 

Len th of Barrier Se ments 

Test Vehicle 

Designation 

Make/Model 

Dimensions (LxWxH) 

Curb Wt 

Test Inertial Wt 

Gross Static 

Impact Conditions 

Speed 

Angle 

Im act Point 

Exit Conditions 

Exit Speed: 

Exit Angle: 

Safe Barriers Ballasted STBS Defender 70 

105.3 m 

Test 2-10 

Steel Temporary Barrier System 

105.3 m length of need 

0.80 m 

3.9 m 

1100C 

Nissan Tiida 

4350 mm x 1695 mm x 1535 mm 

1096.0 kg 

1083.0 kg 

1158.0 k 

69.4 km/h 

24.7 degrees 

1100 mm upstream of barrier ·oint 10B 

41 km/h 

1.0° Est 

10 m 

Post Impact Vehicle Behaviour 

Vehicle Stability 

Sta 

Occupant Impact Velocity (m/s) 

Longitudinal 

Lateral o tional 

Occupant Ride-down Deceleration 

X-direction (g) 

Y-direction (g) 

THIV (optional) (mis) 

PHO (optional) (g) 

ASI o tional 

Test Article Deflections 

Dynamic 

Permanent 

Workin Width 

Vehicle Damage Exterior 

VOS 

CDC 

Maximum Deformation 

Good 

24.0 m 

None 

None 

0.1289 ':>'-cond ri iht i l 

-3.4 

4.6 

3.2 

-5.8 

6.2 

6.3 

0.93 

Minor 

0.74 m 

0.74 m 

0.74 m 

11FL-1 

11LFEE1 

80 mrl' 

(0.1350 c1.i4r, 

f0.3520 , if L ( 

(0.3523 < I 

(0.0326 0.0~26 

nterior 

" ands) 

P onds) 

• ., onds) 

P onds 

0.00 s 

24 m From CIP 

­

131 <9'. 1P 1. ).docx 


, J tO of 93 

13139 . ~~ 1' '.2) .docx 

le t9 of 93 
ASI o tional 

10 m 

Test Article: 	 Safe Barriers Ballasted STBS with Absorb rr.< Post lmpaot Vehicle Behaviour

Total Len th 	 112.3 m Vehicle Stabilit!:j

Ke!:J Elements - Barrier 

Description 

Length of Barrier Installation 

Height 

Len th of Barrier Se ments 

Test Vehicle 

Designation 

Make/Model 

Dimensions (LxWxH) 

Curb Wt 

Test Inertial Wt 

Gross Static 

Impact Conditions 

Speed 

Angle 

Im act Point 

Exit Conditions 

Exit Speed: 

Exit Angle: 

40 m From CIP 

Test 2-20 

Steel T emporory Barrier System 

105.3 m length of need 

Sto 

0.80 m Occupant Impact Velocit!:j (mis)

3.9 m Longitudinal

Lateral [o tional) 

1100C 

Nissan Tiida 

4150 mm x 1695 mm x 1520 mm 

1107.5 kg 

1090.5 kg 

1165.5 k 

Occupant Ride-down Deceleration 


X-direction (g) 


Y-direction [g) 


THIV (optional) (m/s) 


PHD (optional) [g) 


71.5 km/h Test Article Deflections

24.8 degrees D!:jnamic 

0 mm u stream of transition section Permanent 

Workin Width 

Vehicle Damage Exterior 

1.0° Est 

37 km/h 

VDS 

CDC 

Maximum Deformation 

Good 

40.0 m 

None 

None 

0.1231 second::. riyht ..... +- • t r1or 

-2.5 

3.9 

3.6 

-9.3 

5.2 

9.5 

0.56 

Minor 

1.20 m 

1.20 rn 

1.20 111 

11 FL -1 

11LFEE1 

60 111111 

(0.2434 Cl ,:r:, 4 	 ... nds} 

,_, f0.2504 C.<'.1,0 t · ds) 

[C.250:-:l r. 60 nds) 

l0.2353 .18S nds} 

131391 (1'RP Fl 1 2J.docx 

I !- 8 Of 93 
0.25 s 0.50 s 0.75 s 1.C 

10 m 

Test Article: Safe Barriers Ballasted STBS with Absorb HA Post Impact Vehicle Behaviour

Total Len th 112.3 m Vehicle Stability 

Key Elements - Barrier 

Description 

Length of Barrier Installation 

Height 

Len th of Barrier Se ments 

Test Vehicle 

Designation 

Make/Model 

Dimensions (LxWxH) 

Curb Wt 

Test Inertial Wt 

Gross Static 

Exit Conditions 


Exit Speed: 


Exit Angle: 


Test 2-21 

Steel Temporary Barrier System 

105.3 m length of need 

0.80 m 

3.9 m 

2270P 

Dodge Ram 1500 Quad Cab 

5720 mm x 1995 mm x 1885 mm 

2266.0 kg 

2263.0 kg 

2263.0 k 

56 km/h 

1.0° Est 

51 m From CIP 

Sto 

Occupant Impact Velocity (m/s) 

Longitudinal 

lateral (o tional) 

Occupant Ride-down Deceleration 


X-direction (g) 


Y-direction (g) 


THIV (optional) (m/s) 


PHD (optional) (g) 


Impact Conditions 

Speed 71.6 km/h 

ASI o tional 

Test Article Deflections 

Angle 25.4 degrees Dynamic 

Im act Point 0 mm u stream of transition section Permanent 

Workin Width 

Vehicle Damage Exterior 

VDS 11 FL-1 

CDC 11 LFEE 1 

Maximum Deformation 100 mm 

G ood 

51.0 m 

Ver Minor 

None 

0.1410 second-: riciht + 1n•t=ir 1or 

-3.1 

3.6 

, ncL) 

• nd:;J 

, lflrlS) 

"' ,ci~ 

1.5 

-4.2 

5.1 

4. 4 

0.64 

Minor 

2.80 m 

2. 80 m 

2.80 m 

(0.6055 0.t·1GC:, 

(0.6040 ) f,14( 

[0.6043 0.614 

10.0359 o.rsr.'~ 

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SHEET NO. DATE: 

www .sofeborriers.com 4 of 6 02/06/17 
Defender BarrierTM 70 

D70 SAFE BARRIERS 

www .safebarricrs.com 

SHEET NO. DATE 

5 of6 2 June 2017 

INTENDED USE 

The Defender BarrierTM 70 Test Level 2 Steel Temporary Barrier is designed to be used in work zones 

in Highway, Arterial, Collector and Local Roads where construction speed limits are 70km/hour

(43 .7mph) or less. 

The Defender BarrierTM 70 is a free standing, ballasted temporary longitudinal barrier that provides 

positive protection for both construction workers and motorists driving through these lower speed work 

zone. 

The Defender BarrierTM 70 is made up of 3 primary components, the main Defender BarrierTM body, 

three (3) ballast boxes filled with concrete and one (1) connecting pin. The Defender BarrierTM 70 is 

compatible with the ABSORB 350® Crash Cushion 

APPROVALS 

The Defender BarrierTM 70 Steel Temporary Barrier has been fully testing in conformance with 

MASH Test Level 2 guidelines 

FHW A Acceptance Letter: TBD 

CONT ACT INFORMATION 

Safe Barriers Pte. Ltd. 

PO Box 148, Novena Post Office 

Singapore 913017 

www.safebarriers. com 

Tel: +65 3159 1857 

Email: info@safebarriers.com 
SPECIFICATIONS 

COMPONENTS 

Effective Unit Barrier Len th 153.5" 3900 mm 

Descri tion Material Quanti 

Defender BarrierTM Main Bod 1 

Ballast Box Q235B 3 

Concrete Ballast M25 Grade Concrete O.lm er box 

Ml 6 Bolts G8.8 12 

Connectin Pin 235B 1 

Defender BarrierTM 70 

D70 SAFE BARRIERS 

www.safebarricrs.com 

SHEET NO. DATE 

6 of6 2 June 2017