1200 New Jersey Ave., SE

 Washington, D.C. 20590

March 24, 2014 

FHWA:HSST:NArtimovich:sf:x61331:3/14/14 

File: s://directory folder/HSST/WZ332_Banuelos.docx 

cc: HSST: NArtimovich

In Reply Refer To: 

 HSST/WZ-332 

Mr. Juan Banuelos 

Professional Traffic Solutions 

401 South Park Avenue, Suite B 

Montebello, CA 90640 

Dear Mr. Banuelos:

This letter is in response to your request for the Federal Highway Administration (FHWA) to 

review a roadside safety system for eligibility for reimbursement under the Federal-aid highway 

program. 

Name of system: Professional Traffic Solutions Flashing Arrow Sign/ 

 Barricade Combo

Type of system: Type III Barricade with arrow panel

Test Level: MASH Test Level 3

 Testing conducted by: KARCO Inc.

Date of request: October 28, 2013 

Date initially acknowledged: October 28, 2013 

Date of completed package: January 18, 2014 

Decision:

The following device is eligible, with details provided in the form which is attached as an 

integral part of this letter:

• Professional Traffic Solutions Flashing Arrow Sign /Type III Barricade Combo 

 

Based on a review of crash test results submitted by the manufacturer certifying the device 

described herein meets the crash test and evaluation criteria of the American Association of State 

Highway and Transportation Officials’ Manual for Assessing Safety Hardware (MASH), the 

device is eligible for reimbursement under the Federal-aid highway program. Eligibility for 

reimbursement under the Federal-aid highway program does not establish approval or 

endorsement by the FHWA for any particular purpose or use. 

The FHWA, the Department of Transportation, and the United States Government do not 

endorse products or services and the issuance of a reimbursement eligibility letter is not an 

endorsement of any product or service. 
2 

Requirements 

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

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

Transportation Officials’ Manual for Assessing Safety Hardware (MASH). 

Description

The device and supporting documentation are described in the attached form. 

Work Zone Traffic Control Devices are typically tested in two orientations – head on, and 

perpendicular. In the case of your device, the Type III barricade with flashing arrow panel was 

impacted head-on only, but with the arrow panel deployed, and with the arrow panel lowered as 

when not in use. This satisfies the need to demonstrate successful performance in two different 

positions of the device. 

In your first series of tests the vehicle impacted between the uprights of the Type III barricade. 

While this is the worst-case scenario for the barricade with the arrow panel, we requested testing 

where the vehicle contacts the upright support of the barricade. You had this test run 

successfully, and also tested your concrete-barrier-mounted arrow panel with successful results. 

Summary and Standard Provisions 

Therefore, the system described and detailed in the attached form is eligible for reimbursement 

and may be installed under the range of conditions tested. 

Please note the following standard provisions that apply to FHWA eligibility letters:

• This finding of eligibility does not cover other structural features of the systems, nor 

conformity with the Manual on Uniform Traffic Control Devices.

• Any changes that may influence system conformance with MASH will require a new 

reimbursement eligibility letter.

• Should the FHWA discover that the qualification testing was flawed, that in-service 

performance reveals safety problems, or that the system is significantly different from 

the version that was crash tested, we reserve the right to modify or revoke this letter.

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

installation 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 the MASH.

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

number WZ-332 and 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 at our office upon request. 

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

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

holder. The FHWA does not become involved in issues concerning patent law. 

Patent issues, if any, are to be resolved by the applicant.

• The Professional Traffic Solutions barricade/arrow panel combination is a patented 

product and considered proprietary. If proprietary systems are specified by a 
3 

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 yours,

 Michael S. Griffith

Director, Office of Safety Technologies

Office of Safety

Enclosures 
US. Deportment 

of lfoosportation 

Federal Highway 

Adm inistration 

Mr. Juan Banuelos 

Professional Traffic Solutions 

401 South Park Avenue, Suite B 

Montebel lo. CA 90640 

Dear Mr. Banuelos: 

This letter is in response to your request for the Federal Highway Administration (FHWA) to 

review a roadside safety system for eligibility for reimbursement under the Federal-aid highway 

program. 

March 24.2014 

1200 New Jersey Ave., SE 

Washington, D.C. 20590 

In Reply Refer To: 

HSST/WZ-332 

Name of system: Professional Traffic Solutions Flashing Arrow Sign/ 

Barricade Combo 

Type of system: Type III BatTicade with arrow panel 

Test Level: MASH Test Level 3 

Testing conducted by: KARCO Inc. 

Date of request: October 28. 2013 

Date initially acknowledged: October 28. 20 13 

Date of completed package: January 18, 20 14 

Decision: 

The following device is eligible, with details provided in the fom1 which is attached as an 

integral part of this letter: 

• Professional Traffic Solutions Flashing An·ow Sign /Type Ill Barricade Combo 

Based on a review of crash test results submitted by the manufacturer certifying the device 

described herein meets the crash test and evaluation criteria of Lhe American Association of State 

Highway and Transportation Officials' Manual for Assessing Safety llardware (MASH), the 

device is eligible for reimbursement under the Federal-aid highway program. Eligibility for 

reimbursement under the Federal-aid highway program does not establish approval or 

endorsement by the FHWA for any particular purpose or usc. 

The FHWA. the Department ofTransportation, and the United States Government do not 

endorse products or services and the issuance of a reimbursement eligibility let1er is not an 

endorsement of any product or service. 
Requirements 

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

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

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

Description 

The device and supporting documentation are described in the attached form. 

Work Zone Traffic Control Devices are typically tested in two orientations- head on, and 

perpendicular. In the case of your device, the Type III barricade with flashing arrow panel was 

impacted head-on only, but with the arrow panel deployed, and with the arrow panel lowered as 

when not in use. This satisfies the need to demonstrate successful performance in two different 

positions of the device. 

In your first series of tests the vehicle impacted between the uprights of the Type III barricade. 

While this is the worst-case scenario for the barricade with the arrow panel, we requested testing 

where the vehicle contacts the upright support of the barricade. You had this test run 

successfully, and also tested your concrete-barrier-mounted arrow panel with successful results. 

2 

Summary and Standard Provisions 

Therefore, the system described and detailed in the attached form is eligible for reimbursement 

and may be installed under the range of conditions tested. 

Please note the following standard provisions that apply to FHW A eligibility letters: 

• This finding of eligibility does not cover other structural features ofthe systems, nor 

conformity with the Manual on Uniform Traffic Control Devices. 

• Any changes that may influence system conformance with MASH will require a new 

reimbursement eligibility letter. 

• Should the FHW A discover that the qualification testing was flawed, that in-service 

performance reveals safety problems, or that the system is significantly different from 

the version that was crash tested, we reserve the right to modify or revoke this letter. 

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

installation 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 the MASH. 

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

number WZ-332 and 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 at our office 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. The FHW A does not become involved in issues concerning patent law. 

Patent issues, if any, are to be resolved by the applicant. 

• The Professional Traffic Solutions barricade/arrow panel combination is a patented 

product and considered proprietary. If proprietary systems are specified by a 
Enclosures 

highway agency for use on Federal-aid projects: (a) they must be supplied through 

competitive bidding wilh equally suitable unpatented items; (b) the highway agency 

must certify that they ru·e 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 Tille 23, Code of Federal Regulations, Section 635.41 1. 

Sincerely yours 

Michael S. Griffi th 

Director, Office of Safety Technologies 

Office of Safety 

3 
Version 7.0 (3/13) 

Page 1 of 2 

Request for Federal Aid Reimbursement Eligibility 

Of Highway Safety Hardware 

Date of Request: October 28, 2013 I New I Resubmission 

Name: Juan Banuelos Signature:<\~ e:o.,. CJ-:::L-

... Company: Pr.ofessional Traffic Solutions, LLC " Address: E 401 SPark Ave, Ste B, Montebello, CA 90640 .ll 

:J Country: 11'1 USA 

MichaelS. Griffith, Director To: FHWA, Office of Safety Technologies 

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

highway program. 

System Type Submission Type Device Name I Variant Testing Criterion Test 

Level 

WZ': Crash Worthy Work 

Zone Traffic Control Devices 

(i Physical Crash Testing 

I FEA & V&V Analysis 

Flashing Arrow Sign/ 

Barricade Combo 

AASHTOMASH 

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. 

Identification of the individual or organization responsible for the product: 

Contact Name: Juan Banuelos Same as Submitter ~ 

Company Name.: Professional Traffic Solutions, LLC Same as Submitter ~ 

Address: 401 SPark Ave, Ste 8, Montebello, CA 90640 Same as Submitter ~ 

Country: USA Same as Submitter ~ 

PRODUCT DESCRIPTION 

New Hardware 

Light weight Flashing Arrow Sign for temporary traffic control in and around an active work zone 

CRASH TESTING 

A brief description of each crash test and its result: 

Required Test 

Number 

3-71 

Narrative 

Description Evaluation Results 

The overall test assessment for the Professional Traffic Solutions 

4'x8' FAS/Barrlcade Combo to Test 3-7:f,ls a pass. The Impact with 

the work zone traffic control device did not cause significant hazard 

to the driver. The test vehicle remained upright and did not leave 

its lane. 

PASS 
Version 7.0 (3/13) 

Page 2 of 2 

Full Scale Crash Testing was done In compliance with MASH by the following accredited crash test 

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

Laboratory Name: KARCO Engineering, INC 

Laboratory Contact: Director. Michael L Dunlop Same as Submitter 0 

Address: 9270 Holly Rei, Adelanto, CA 92301 Same as Submitter 0 

Country: USA Same as Submitter 0 

Accreditation Certificate 

Number and Date: TL-371 July 1, 2008 

ATIACHMENTS 

Attach to this form: 

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

support of this request. 

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

[, ]. 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 key to understanding the performance of the device should also be submitted to facilitate our 

review. 

FHWA Official Business Only: 

Eligibility Letter AASHTOTF13 

Number Date Designator KeyWords 
Version 7.0 (3/13) 

Page 1 of 2 

Request for Federal Aid Reimbursement Eligibility 

Of Highway Safety Hardware 

Date of Request: October 28, 2013 r. New r Resubmission 

Nam e: Juan Banuelos Signature:C\ uc.-- Q)o.-- ....J,Jo- ... 

Cll 

~ 

E 

~ 

::1 

VI 

Com pany: Professional Traffic Solutions 

Address: 401 SPark Ave, Ste B, Montebello,CA 90640 

Country: USA 

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. 

System Type Submission Type Device Name I Variant Testing Criterion Test 

level 

WZ': Crash Worthy Work 

Zone Traffic Control Devices 

r. Physical Crash Testing 

C FEA & V&V Analysis 

Flashing Arrow Board/ 

Darricade Combo 

AASHTOMASH 

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 

Hardwar e and that the evaluation r esults meet the appropriate evaluation criteria in the MASH. 

Identification of the individual or organization responsible for the product: 

Contact Name: Juan Banuelos Same as Submitter [8

Company Name: Professional Traffic Solutions Same as Submitter [8

Address: 401 SPark Ave, Ste B, Montebello,CA 90640 Same as Submitter 1

] 

] 

8] 

Country: USA Same as Submitter [8] 

PRODUCT DESCRIPTION 

New Hardware 

light weight Flashing Arrow Sign for temporary Traffic Control in and around active work zones. 

CRASH TESTING 

A brief description of each crash test and its result: 

Required Test 

Number 

Narrative 

Description Evaluation Results 

3-72 

The overall test assessment for the Professional Traffic Solutions 

4'x8' FAS/Barricade Combo to Test 3-72 is a pass. The impact with 

the work zone traffic control device did not cause significant hazard 

to the driver. The test vehicle remained upright and did not leave 

its lane. The test device remained upright and did not change 

position. 

PASS 
Version 7.0 (3/13) 

Page 2 of 2 

Full Scale Crash Testing was done In compliance with MASH by the followlns acaedited crash test 

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

Laboratory Name: KARCO Engineering, INC 

Laboratory Contact: Director, Michael L Dunlop Same as Submitter 0 

Address: 9270 Holly Rd, Adelanto, CA 92301 Same as Submitter 0 

Country: USA Same as Submitter 0 

Acaeditation Certificate 

Number and Date: n-371 July 1, 2008 

ATIACHMENTS 

Attach to this form: 

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

support of this request. 

2) A drawins or drawlnss of the device(s) that conform to the Task Force-13 Drawing Spedflcatlons 

[ ]. For proprietary products, a slnsJe Isometric line drawlnsls 

usually acceptable to Illustrate the product, with detailed spedflcatlons, intended use, and contact 

Information provided on the reverse. Additional drawtnss (not In TF-13 format) showlns details that 

are key to understandlns the performance of the device should also be submitted to fadlltate our 

review. 

FHWA Official Business Only: 

Eligibility letter AASHTOTF13 

Number Date Designator KeyWords 
Version 7.0 (3/13) 

Page 1 of 2 

Request for Federal Aid Reimbursement Eligibility 

Of Highway Safety Hardware 

Date of Request: October 28, 2013 (i New I Resubmission 

Name: Juan Banuelos Signature<:)~ e:o__~ 

~ Company: Professional Traffic Solutions, LLC. 

~ E Address: 401 SPark Ave, Ste B, Montebello, CA 90640 .Q 

Country: ::1 USA Ill 

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. 

System Type Submission Type Device Name I Variant Testing Criterion Test 

Level 

'WZ': Crash Worthy Work (i Physical Crash Testing Flashing Arrow Sign/ AASHTOMASH 

Zone Traffic Control Devices ( FEA & V&V Analysis Barricade Combo 

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. 

Identification of the Individual or organization responsible for the product: 

Contact Name: Juan Banuelos Same as Submitter [8J 

Company Name: Professional Traffic Solutions,LLC. Same as Submitter [8J 

Address: 401 SPark Ave, Ste B, Montebello, CA 90640 Same as Submitter 18] 

Country: USA Same as Submitter [8J 

PRODUCT DESCRIPTION 

New Hardware 

Light weight Flashing Arrow Sign for temporary traffic control in and around an active work zone 

CRASH TESTING 

A brief description of each crash test and its result: 

Required Test Narrative Evaluation Results Number Descrlptlofl 

The overall test Is an assessment for the Professional Traffic 

Solutions 4'x8' Flashing Arrow Sign/Barricade Combo test 3·71 is a 

pass. The Impact with Work Zone Traffic Control Device did not 

3·71 cause any significant damage to the vehicle and did not create a PASS 

significant hazard to the driver. The test vehicle remained upright 

and did not leave its lane. The test device remained upright and did 

not leave its original position. 
Version 7.0 (3/13) 

Page 2 of 2 

Full Scale Crash Testing was done In compliance with MASH by the following accredited crash test 

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

Laboratory Name: KARCO Engineering, INC 

Laboratory Contact: Michael L Dunlop, Director of Operations Same as Submitter 0 

Address: 9270 Holly Rd, Adelanto, CA 92301 Same as Submitter 0 

Country: USA Same as Submitter 0 

Accreditation Certificate CD-R 

Number and Date: SN# 2013·2837 

ATIACHMENTS 

Attach to this form: 

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

support of this request. 

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

[ ]. 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 key to understanding the performance of the device should also be submitted to facilitate our 

review. 

FHWA Official Business Only: 

Eligibility Letter AASHTOTF13 

Number Date Designator KeyWords 
Version 7.0 {3/13) 

Page 1 of 2 

Request for Federal Aid Reimbursement Eligibility 

Of Highway Safety Hardware 

Date of Request: October 28, 2013 r. New (' Resubmission 

Name: Juan Banuelos Signature: C\ '-lu.o- ~~~ ... Company: Professional Traffic Solutions, LLC 

~ E Address: 401 SPark Ave, Ste B, Montebello, CA 90640 ,Q 

Country: :II USA Ill 

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. 

System Type Submission Type Device Name I Variant Testing Criterion Test 

Level 

'WZ': Crash Worthy Work (i Physical Crash Testing Flashing Arrow Sign/ AASHTOMASH 

Zone Traffic Control Devices ( FEA & V&V Analysis Barricade Combo 

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. 

Identification of the individual or organization responsible for the product: 

Contact Name: Juan Banuelos Same as Submitter [g) 

Company Name: Professional Traffic Solutions, LLC Same as Submitter [g) 

Address: 401 SPark Ave, Ste 8, Montebello, CA 90640 Same as Submitter [g) 

Country: USA Same as Submitter [g) 

PRODUCT DESCRIPTION 

New Hardware 

Light weight Flashing Arrow Sign for temporary traffic control In and around an active work zone 

CRASH TESTING 

A brief description of each crash test and its result: 

Required Test Narrative Evaluation Results Number Description 

The overall test assessment for the Professional Traffic Solutions 

4'x8' FAS/Barricade Combo to Test 3-72 is a pass. The Impact with 

3-71. the work zone traffic control device did not cause significant hazard PASS 

to the driver. The vehicle's trajectory changed after the break abort 

system was activated bringing the vehicle to stop. 
Version 7.0 (3/13) 

Page 2 of 2 

Full Scale Crash Testing was done In compliance with MASH by the following accredited crash test 

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

Laboratory Name: KARCO Engineering, INC 

Laboratory Contact: Director, Mlchaell Dunlop Same as Submitter D 

Address: 9270 Holly Rd, Adelanto, CA 92301 Same as Submitter 0 

Country: USA Same as Submitter 0 

Accreditation Certificate n-371 July 1, 2008 Number and Date: 

ATIACHMENTS 

Attach to this form: 

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

support of this request. 

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

(, ). 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 key to understanding the performance of the device should also be submitted to facilitate our 

review. 

FHWA Official Business Only: 

Eligibility letter AASHTOTF13 

Number Date Designator KeyWords 
A 

8 

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/LOCIIING PIVOT 

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-
Professional Traffic Solutions 

630 West Duarte Road #202 

Arcadia, CA 91007 

Attention: Juan Banuelos 

Date: 12/30113 

Mr. Banuelos. 

Engineering, LLC. 

On December 23, 2013, one (1) full scale impact test was performed on two (2) Professional 

Traffic Solutions Work-Zone Traffic Control Devices: one (1) 4ft. x 8ft. FAS I Barricade Combo 

and one (1) 4 ft. x 8 ft. FAS I K-Rail Combo. The impact involved a 1082.0 kg (2,385.4 lbs) 2007 

Kia Rio 4-door sedan traveling at a nominal velocity of 100 km/h {62.0 mph). The test articles 

were oriented at a critical angle of oo and 25.0° to the normal direction of vehicle motion. 

The test was conducted with both the 4 ft. x 8 ft. FAS I Barricade Combo and the 4 ft. x 8 ft. FAS 

I K-Rail Combo spaced 20 m (65.6 ft.) apart with the test vehicle impacting the 4 ft. x 8 ft. FAS I 

Barricade Combo first. The test vehicle engaged the left support post of the 4ft. x 8 ft. FAS I 

Barricade Combo. The test vehicle remained in its lane and continued to impact the second test 

article. The 4 ft. x 8 ft. FAS I K-Rail combo was mounted on a K-Rail set at an angle of 25.0° to 

the direction of vehicle travel. The vehicle impacted the K-rail and the arrow board bracket 

before coming to a stop. 

The test vehicle's right front end was crushed as a result of the impact with the K-Rail. The 

vehicle windshield also cracked as a result of the K-Rail impact. The vehicle was redirected and 

came to a stop after the second impact. The vehicle was not penetrated by any test article 

components, and there was no intrusion to any of the vehicle's sections that exceeded their 

allowable limits. 

The first impacted article's support posts were separated from the arrow board. The bottom two 

(2) support panels' breakaways were activated and they broke along the center of the width. 

The second article's support bracket was broken at its base where it attached to the K-rail. 

Complete information relating to the test can be found in CD serial number 2013-2888 from 

KARCO Engineering, LLC. including Pre- and Post-Test article conditions, vehicle condition, 

manufacturer drawings, and impact video documentation. 

Sincerely yours, 

.-3~;:_ tJ /~~~ 

Frank D. Richardson 

President 

KARCO Engineering, LLC. 

Tel: (760) 246-1672 

Fax: (760) 246-8112 

KARCO Engineering, LLC. 

9270 Holly Road, Adelanto, CA 92301 

inro@karco.com 

vtww.karco.com