U.S. Deportment 1200 New Jersey Ave., SE 

of Transportation Washington, D.C. 20590 

Federal Highway 

Administration 

September 6, 2017 In Reply Refer To: 

HSST-1/ WZ-355 

Henry A. Ross, Director 

Governrnent Relations 

Plasticade 

7700 N. Austin A venue 

Skokie, IL 60077 

Dear Mr. Ross: 

This letter is in response to your April 7, 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 FHW A letter of eligibility is 

assigned FHW A control number WZ-355 and is valid until a subsequent letter is issued by 

FHW A that expressly references this device. 

Decision 

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

integral part of this letter: 

• Plasticade SS420 Sign Stand System with Industry Standard 48" x 48" Aluminum Sign 

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 Governrnent 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 FHW A, the Department of Transportation, or the United 

States Governrnent 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 American Association of State Highway and Transportation 

Officials' Manual for Assessing Safety Hardware (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: Plasticade SS420 Sign Stand System with Industry Standard 48" x 48" 

Aluminum Sign 

Type of system: Work Zone Traffic Control Devices 

Test Level: MASH Test Level 3 

Testing conducted by: E-Tech 

Date ofrequest: April 7, 2017 

Date of completed package: June 29, 2017 

FHWA concurs with recommendation ofthe accredited crash testing laboratory as stated within 

the attached form on determination of eligibility for the sign substrate that was physically tested 

(Industry Standard 48" x 48" Aluminum Sign). This determination of eligibility does not apply 

to other sign substrates not physically tested, but recommended by the laboratory. If an eligibility 

letter is requested on these other sign substrates, this will require successful physical crash 

testing as per 2016 AASHTO MASH. 

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 
3 

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 crashworthiness of the system. 

Standard Provisions 

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

control number WZ-355 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 63 5 .411. 

Sincerely, 

n~ Robert Ritter 

Acting Director, Office of Safety 

Technologies 

Office of Safety 

Enclosures 
Version 10.0 (05/16) 

Page 1 of 5 

Request for Federal Aid Reimbursement Eligibility 

of Highway Safety Hardware 

Date of Request : April 05, 2017 I le New (' Resubmission 

Name: Henry A. Ross 

..... 

C1l 

..... 

·"= E 

..c 

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Vl 

Company: 

Address: 

Country: 

Plasticade 

7700 N. Austin Avenue, Skokie, IL 60077 

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. 

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 

'WZ': Crash Worthy Work 

Zone Traffic Control Devices 

le Physical Crash Testing 

(' Engineering Analysis 

Plasticade SS420 Sign 

Stand System 

AASHTO MASH TL3 

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: Henry A. Ross Same as Submitter L8J 

Company Name: Plasticade Same as Submitter L8J 

Address: 7700 N. Austin Avenue, Skokie, IL 60077 Same as Submitter L8J 

Country: USA Same as Submitter L8J 

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

Eligibility Process for Safety Hardware Devices' document. 

The Plasticade SS420 Sign Stand System is the commercial embodiment of intellectual property that is not 

protected by patents. Plasticade does not pay royalties for sales of the Plasticade SS420 Sign Stand System. The 

Plasticade SS420 Sign Stand System was designed and developed by engineers at Plasticade. 

Plasticade sponsored certain crash tests of the Plasticade SS420 Sign Stand System; such tests were conducted 

by E-Tech Testing Services, an independent, wholly-owned subsidiary ofTrinity Highway. E-Tech Testing 

Services is an International Standards Organization (ISO) 17025 accredited laboratory with American Association 

for Laboratory Accreditation (A2LA) Mechanical Testing certificate 989.01 . Full-scale crash testing on the 

Plasticade SS420 Sign Stand System was performed in accordance with testing criteria, as set forth by the 

Manual for Assessing Safety Hardware (MASH), 2009. 
Version 10.0 (05/16) 

Page 2 of 5 

PRODUCT DESCRIPTION 

(9 New Hardware or (' Modification to 

• Significant Modification Existing Hardware 

Plasticade's SS420 Sign Stand System is a work zone traffic control device designed to regulate, warn, and 

advise road users to traverse a section of highway or street in the proper manner. The sign stand consists of a 

base frame with two upright springs and four fixed length aluminum legs and components to secure an 

industry standard 1.22 m x 1.22 m or smaller aluminum sign or signs of lighter weight materials. The aluminum 

signs were attached to the stand using top and bottom sign brackets attached to the vertical mast. The mast 

also has a bracket to hold three wooden handled vinyl flags. The as tested mounting height of the sign 

measures 0.46 m above grade. The SS420 stand weighs 16.5 kg, excluding the 8.5 kg aluminum sign. 

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: Paul Kruse

Digitallysi~byPaulKru~ 

DN: cn,.Paul ICru~. o..Trinity Higliway, ou•£-TECH Testing Services. 
 Engineer Signature: Paul Kruse erNi1,.~.krus~ttchtesting com, c•US

Date: 2017.04.06 1J:IS:2S ·OTOO' 

Adobe Auob<lt DC ~sion : 201 S.02320070 

Address: 3617 Cincinnati Ave, Rocklin, CA 95765 Same as Submitter D 

Country: United States Same as Submitter D 

A brief description of each crash test and its result : 

Required Test Narrative Evaluation 

Number Description Results 

3-70 (11 OOC) Non-Critical, not conducted 
Required Test Narrative 
 Evaluation 

Number Description 
 Results 

Test of Plasticade SS420 Sign Stand device 

with a MASH specified 11 OOC test vehicle. 

The test was run on 12/5/ 16. The curb mass 

of the vehicle was 1121 .0 kg and the final 

test inertial mass was 1124.0 kg. Impact 

speeds were 101.4 km/ h and 99.4 km/ h for 

the 0 and 90 degree sign stands, 

respectively. For the 0 degree test, the 

11 OOC vehicle's front bumper impacted the 

vertical member of the sign stand just 

above the springs. The vertical upright 

immediately fractured and the sign 

immediately detached and draped over the 

hood and windshield. The sign deformed 

the entire windshield. The top of the vertical 

upright struck the roof of the vehicle. The 

sign and vertical upright elevated over the 

vehicle. The lower portion of the stand was 

caught under the vehicle until the vehicle 

came to a stop. For the 90 degree test, the 

11 OOC vehicle's front bumper impacted the 

3-71 (1100() vertical member of the sign stand just PASS 

above the springs. The vertical upright 

immediately fractured above the springs 

and allowed the sign to rotate on to the 

vehicle's hood. The sign and upright 

rebounded off the hood and left contact 

with the vehicle. The lower portion of the 

stand passed under the vehicle and then 

quickly bounded up forcing the vehicle to 

elevate. The stand continued to roll under 

the car until it exited the vehicle. The test 

vehicle sustained minor damage to the 

bumper, hood, and roof; there was no 

damage to the undercarriage of the test 

vehicle. There was significant deformation 

to the windshield, with a maximum 

deformation of 67 mm. The top corners of 

the windshield liner tore but the damage 

was caused by stretching of the liner rather 

than direct contact with the sign. There was 

no penetration or deformation of the 

occupant compartment. 

Version 10.0 (05/16) 

Page 3 of 5 
Version 10.0 (05/16) 

Page 4 of 5 

Test of the Plasticade SS420 Sign Stand 

device with a MASH specified 2270P test 

vehicle. The test was run on 11 / 16/ 16. The 

curb mass of the vehicle was 2205.5 kg and 

the final test inertial mass was 2230.5 kg . 

Impact speeds were 100.7 km/h and 98.7 

km/h for the O and 90 degree sign stands, 

respectively. For the 0 degree test, the 

2270P vehicle's front bumper impacted the 

vertical member of the sign stand just 

above the springs. As the upright yielded, 

the upper section detached from the lower. 

The lower portion remained attached to the 

stand as it passed under the vehicle. The 

sign completely released from the stand 

and draped over the upper grille and hood 

areas. The detached upper section of the 

vertical upright rotated onto the vehicle's 

hood and penetrated into the engine 

compartment. It then elevated above the 

cab, made contact with the tailgate, and 

came to rest behind the vehicle. The lower 

section of the stand wedged under the 

3-72 (2270P) vehicle and remained there until the vehicle PASS 

stopped. For the 90 degree test, the 2270P 

vehicle's bumper impacted the lower 

section of the aluminum sign prior to 

impacting the vertical member of the sign 

stand just above the springs. The vertical 

upright immediately released from the 

lower portion of the sign stand, impacted 

the bumper, and was propelled ahead of 

the vehicle. The sign detached early in the 

event, struck the front of the hood, and 

then lifted above the vehicle. The lower 

section of the stand wedged under the 

vehicle and remained there until the vehicle 

stopped. The test vehicle sustained minor 

damage to the front bumper; there was no 

damage to the undercarriage of the test 

vehicle. There was no damage to the 

windshield. There was no penetration or 

deformation of the occupant compartment. 

The Plasticade SS420 was judged by E-TECH 

to have successfully met MASH evaluation 

criteria for Test Level 3 under the criteria for 

work zone traffic control devices. 

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.): 
Version 10.0 (05/16) 

Page 5 of 5 

Laboratory Name: E-Tech Testing Services, Inc. 

Laboratory Signature: Paul Kruse 0.911aMys1gnedbyP1ul Kruse 

ON cn=Paul Krus.e, o-To,.,.ty Highway. ov=E·TECH Teu1ng S-es, 

enw.~-~I kru~etKhtHtlngcom, c-US 

0at@:20 l7.040613143S-07'Cl0' 

Adobe Auob;it DC ve-mon: 201 S.023.20070 

Address: 36178 Cincinnati Ave, Rocklin, CA 95765 Same as Submitter D 

Country: United States Same as Submitter D 

Accreditation Certificate 

Number and Dates of current 

Accreditation period : 

A2LA Certificate #989.01, November 20, 2015 thru November 30, 2017 

Olgit•lly ~lgned by Henry A. Ron 

Submitter Signature*: Henry A. Ross ~~:,:~:.~~;,;::;;~,:::~.'~~;· 00• Date. 2017.04.0fi 15:35:36-0SW' 

Su bmit Form 

ATTACHMENTS 

Attach to this form: 


I) 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 
Normal (0 deg) Orientation 	 Perpendicular (90 deg) Orientation 

t = 0.000 sec t = 0.062 sec t = 0. 125 sec t = 0.187 sec t = 0.000 sec 	 t = 0.063 sec t = 0.125 sec t = 0.219 sec 

THREE FLAG 

HOLDER 

ALUMINUM 

SIGN 

._.__,... 

;., ~ L r~ 

Plasticade® SS420 Sign Stand 

General Information Test Vehicle Vehicle Damage 

Test Agency .... ...... .. ... E-TECH Testing Services Type . ..................... ............... ................ Production Model Exterior 

Test Designation .......... MASH Test 3-71 Designation .. .. ...................... .. . ..... .. ... 11 OOC VOS .. ........ .................... ... .. FC-1 


Test No .. ................ ..... 76-0459-00 I Model. ........ .......................... ... . ............ 2010 Hyundai Accent CDC .. . ...... ....... . ............. l 2FCLN 1 


Date ...................... ...... 12/5/20 16 Curb 1121.0 kg Windshield Damage ..... ...... 67 mm max. deformation 

Test Inertial. .... . . ... ... .. ........ .. 1124.0 kg 

Test Article Dummy .. . ..... . .... .............. ...... ...NI A Interior 

Type ..................... . 	 Plasticade Gross Static ............................... ......... .. 1124.0 kg 
 Maximum Deformation ...... Negligible 

Stand with Double Spring Base 

Aluminum Legs and Upright (SS420) Impact Conditions 

Work-Zone Traffic Control Device Speed (Normal Orientation) ............. 101.4 kph 

Dimensions ... .............. 2.77 m OA Height x 173 cm Wide 
 Speed (Perpendicular Orientation) ........ 99.4 kph 

Installation Details ....... Industry Standard 48"x48" Aluminum Sign 
 Impact Severity (Normal Orientation) .445 .8 kJ 

457 mm Sign Height (Bottom of Sign to Grade) Impact Severity (Perp. Orientation) .... .428.1 kJ 

Material and Key ......... 16.5 kg Stand, Aluminum Legs and Upright, Steel 

Elements Base Assembly Exit Conditions 

8.5 kg Aluminum Sign Speed (Normal Orientation)... . ......... 99.4 kph 

Foundation Type .......... Asphalt, clean and dry Speed (Perpendicular Orientation) ........ 97.4 kph 

and Condition Angle (deg) ..... ..... ............ .................. 0 

£-TECH Testing Services, brc. =========================================== 

Figure 2 - Summary of Results - Plasticade® SS420 Sign Stand Test 76-0459-001 

Plasticade® SS420 Sign Stand Crash Test Results - Page 14 of 35 
Normal (0 deg} Orientation Perpendicular (90 deg} Orientation 

t = 0.000 sec t = 0.058 sec t = 0.115 sec t = 0.173 sec t = 0.000 sec t = 0.114 sec t = 0.229 sec t = 0.400 sec 

THREE FLAG 

HOLDER 47 

ALUMINUM 

SIGN 

;:: 

Plasticade® SS420 Sign Stand 

General Information 
 Test Vehicle 
 Vehicle Damage 

Test Agency ................ E-TECH Testing Services 
 Type . . ..... . ........ Production Model 
 Exterior 

Test Designation ........ MASH Test 3-72 
 Designation .... . .......... 2270P 
 VOS ................... ............... . FC-1 

Test No ....................... 76-0459-002 
 Model ... ...... .............. ......................... .. 2010 Dodge Ram 
 CDC ... ................................ I 2FCLN I 

Date ........... .. ... ... . ....... 11 / 16/2016 
 Curb ..................................................... 2205.5 kg 
 Notable Deformation ......... None 

Test Inertial... ................ ............. ....... ...2230.5 kg 


Test Article Dummy .......... .. ................................... NIA 
 Interior 

Type ................ ... .. .. Plasticade Gross Static ....................................... .'...2230.5 kg 
 Maximum Deformation ... ... Negligible 

Stand with Double Spring Base 

Aluminum Legs and Upright (SS420) Impact Conditions 

Wo rk-Zone Traffic Control Device Speed (Normal Orientation) ... ... ... ......... 100. 7 kph 

Dimensions ......... ........ 2.77 m OA Height x 173 cm Wide 
 Speed (Perpendicular Orientation) ....... . 98.7 kph 

Install ation Detai ls ....... Industry Standard 48"x48" Aluminum Sign 
 Impact Severity (Normal Orientation) .. 873.4 kJ 

457 mm Sign Height (Bottom of Sign to Grade) Impact Severity (Perp. Orientation) ... ... 838.8 kJ 

Materia l and Key ......... 16.5 kg Stand, Aluminum Legs and Upright. Steel 

Elements Base Assembly Exit Conditions 

8.5 kg Aluminum Sign Speed (Normal Orientation) .................. 98.7 kph 

Foundation Type ...... ... Asphalt, clean and dry Speed (Perpendicular Orientation) ........ 96.8 kph 

and Condition Angle (deg) ... ......... ................................ o 

£-TECH Testing Services, Inc. ============================================ 

Figure 7 - Summary of Results - Plasticade® SS420 Sign Stand Test 76-0459-002 

Plasticade® SS420 Sign Stand Crash Test Results - Page 21 of 35 
t 

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ALUMINUM 

SIGN 

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HOLDERS 

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WEIGHT: 38 LBS (WITHOUT SIGN) 

PROPRIETARY AND CONFIDENTIAL "·t c.-, Pl.ASTICADE INC [Hf !Nf{)l(MATION '"( N TAIN£0 IN 1111'.'.l 

DRAWING IS HI[ SOL[ PR(JPLRIY Of SDK 090216 7700N/\llSTINAVl'.SKOK ll'. ll . PLASJICADE INC. ANY REPRUDULTION _, . 1-800--170-3300 IN PART OR AS A WttOLE WffH()IJT lllf 

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DO NOT SCALE DP.6.W NG DOUBLE SPRING ASSY 

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E-TECH Testing Services, Inc. ================================ 

Illustration 1 - Plasticade® SS420 Technical Drawing (Sheet 1 of 4) 

Plasticade® SS420 Sign Stand Crash Test Results - Page 30 of 35 
ROLL UP 

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PROPRIETAR Y ANO CONFIDENTIAL '' ., THE INFORMATION CONTAINED IN THIS 

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WRIITEN PERMISSION OF 

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DO NOT SCALE DRAWING 

WEIGHT: 38 LBS (WITHOUT SIGN) 

THREE FLAG 


HOLDER 


ROLLUP SIGN HOLDER 

PLASTICADL INC 


7700 N A USTIN AVE SKOK li eIL 


1-800-4 70-3300 


TALL MAST 18 ALUMINUM 


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£-TECH Testing Services, Inc. ================================ 

Illustration 2 - Plasticade® 55420 Technical Drawing (Sheet 2 of 4) 

Plasticade® SS420 Sign Stand Crash Test Results - Page 31of35 
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Illustration 3 - Plasticade® 55420 Technical Drawing (Sheet 3 of 4) 

Plasticade® SS420 Sign Stand Crash Test Results - Page 32 of 35 
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£ -TECH Testing Services, Inc. 

55420 42000 42000 STAND ASSEMB LY RSM42000-16090 2 

ITEM PART NUMBER DESCRIPTION DRAWING NUMBER MATERIAL FINISH Quantity 

1 BAHS BAHS BASE ASSEMBLY RSMB400-160825 1 

2 BAHS-01 BASE SIDE PLATE ALUMINUM STAND RSMB401-160825 STEEL Q235 POWDER COAT 2 

3 BAHS-02 BASE CENTER SUPPORT ALUMINUM STAND RSMB402-160825 STEEL Q235 POWDER COAT 1 

4 41000ASLA 181NCH A LUM STAND LEG ASSEMB LY RSML18N -161031 4 

5 ALR-32-1050V2 4200018 INCH SPRING STAND ALUMINUM LEG RSMLlSS-140331 ALUM 6063 T-5 ALUMINUM 1 

6 LLA-FLAT-SPRING LATCH SPRING RSML172-160823 STEEL MN65 DICHROMATE 1 

7 LLA-PIN LEVER PIN RSML162-140730 STEEL Q235 DICHROMATE 1 

8 LLA-32-V2 LEG LEVER PIN COVER ALUM LEGS RSML166-140331 STEEL Q235 ZINC PLATE 1 

9 LLA-LWASHER WASHER .41l.D. 1.5 0.0 X .065 SEE WASHER SHEET STEEL ZINC PLATE 1 

10 LLA-LEVER LEG LEVER RSML163-140817 STEEL Q235 ZINC PLATE 1 

11 RF -32 32MM RUBBER FOOT RSMLll0- 140606 RUBBER RUBBER 1 

12 LLA-FOOTWASHER WASHER .281.0. X .63 0.0. X .07 WASHER SHEET STEEL ZINC PLATE 1 

13 RIVET-RF -54 RIVET STEEL ZINC 54MM RIVET MASTER SHEET STEEL ZINC PLATE 1 

14 42000MA 42000 MAST ASSEMBLY RSMM575-140619 1 

15 SA-500 SOOSPRING ASSEMBLY RSMS475-160729 2 

16 SA -500-01 SPRING RSMS400-160729 STEEL SAE9254 E-COAT 2 

17 SA ·S00-02 SPRING PLUG RSM5450-140604 DIE CAST DIE CAST 4 

18 SA -MB 38 MM SPRING MAST BRACKET RSMM200-140331 STEEL Q235 POWDER COAT 2 

19 M -A38-1180 42000 STAND LOWER MAST ALUM RSMM550-140811 ALUM 6063 T-5 ALUMINUM 1 

20 LLA­BOLT BOLTHEX CAP 3/8·16X 2-1/2 BOLT/NUT SHEET STEEL ZINC PLATE 2 

21 LLA-NLN NUT NYLON LOCK 3/8--16 BOLT/NUT SHEET STEEL ZINC PLATE 2 

22 M·A 32-1170 42000 UPPER MAST ALUM RSMMS00-140331 ALUM 6063 T-5 ALUMINUM 1 

23 MSB-12 LEG SPRING BUTION l OMM RSMM700-140331 STEEL ZINC PLATE 1 

24 SA -BO LT BOLT HEX CAP 1/2-13X 1-1/2 BOLT/NUT SHEET STEEL GRADE 5 ZINC PLATE 4 

25 FH-MAST 3 FLAG HOLDER FOR MAST ASSEMBLY RSMAl00-140331 1 

26 FH -MAST -01 FLAG HOLDER FOR 32MM MAST BRACKET RSMA102-140331 STEEL Q235 ZINC PLATE 1 

27 FH -MAST-02 FLAG HOLDER MAST FLAG TUBE RSMTlOl-140331 STEEL Q215 ZINC PLATE 3 

28 RIVET SMM POP POP RIVET 5 MM RIV ET MASTER SHEET ALUMINUM ALUMINUM 2 

29 HARDWARE 

30 SA -WASHER WASHER .55010 .10000 X .07 WASHER SHEET STEEL ZINC PLATE 4 

31 LC -32 V3 LEG CROSS OVER LARGE STANO RSML145-141020 STEEL Q235 ZINC PLATE 2 

32 LLA· BOLT BOLT HEX CAP 3/8-16 X 2-1/2 BOLT/NUT SHEET STEEL GRADE 5 ZINC PLATE 4 

33 LLA-NLN NUT HEX NYLON LOCK 3/8--16 BOLT/NUT SHEET STEEL ZINC PLATE 4 

34 LLA-WASHER WASHER .410 ID 1.00 OD X .07 WASHER SHEET STEEL ZINC PLATE 8 

PROPRIETARY Af'-1) CONFIDENTIAi. 
 NA f\/E DATE PLASTICADE INC THE IN FORMATION CONTAIN ED IN THt.S 


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PLASTCADE INC.~ PROHl8[ED. MFG APPR. TALL MAST 18 AL UMIN UM Q.A. DO UB LE SPRIN G ASSY DO NOT SCALE DRAWING 

SIZE 

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Illustration 4 - Plasticade® 55420 Technical Drawing (Sheet 4 of 4) 

Plasticade® SS420 Sign Stand Crash Test Results - Page 33 of 35