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Brand for Marking Highway Centerlines and Lanes Essay

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Updated: Jan 14th, 2022

Introduction

This report presents an analysis of seven different kinds of paints. The assessment was aimed at the selection of the most suitable paint for branding highway centerlines and lanes. The types of paints assessed are from six different manufacturers. The paints assessment was based on three characteristics. These include: Spraying characteristics, drying time, and visibility. Visibility was measured after three months and after six months.

Scope of work

As earlier stated, the purpose of this inspection was to assess and identify the most suitable paint for use in marking highway centerlines and lanes. White paint and yellow paints for each brand were assessed. To achieve this, Highway 17 (concrete surface) and highway 43 (asphalt surface) were used.PMA-02-28H paint manufacturing specifications and ASTM D-711 were used to gauge spraying characteristics and paint’s drying time respectively. The visibility rating was based on guidelines provided in appendix 2.

Method of Testing

Testing has begun with the collection of samples of white and yellow paints from the six manufacturers for purposes of evaluation. The obtained samples were then coded as shown in appendix 1. To eliminate biased analysis, the coding list was sealed in an envelope and deposited at a local bank. Two regularly traveled highway stretches earlier mentioned were then painted with sample stripes. The assessment was done based on three characteristics as earlier mentioned. Spraying characteristics were assessed during application based on a 4-point Likert scale ranging from excellent to poor while the drying time was measured in minutes. Visibility was measured after three months and after six months.

Testing protocol

Based on Paint Manufacturers’ Association specification PMA-02-2811, the spraying characteristics for fast drying highway should be at least “good” and preferably “very good.” The ASTM D-71 1 standard is used to establish the maximum acceptable paint drying time, which is 20 minutes. The acceptable visibility levels were set at a minimum of 7 and 6 for 3 months and 6 months respectively.

Summary results- assessment

Based on results obtained from inspection (See appendix 3), the following summary graphs are developed.

Table 1: Visibility after 3 months (Concrete pavement)

Noting that the minimum visibility level after 3 months is rated at seven, WE and YQ fail to attain the desired threshold and as such are ruled out as unsuitable. Based on minimum visibility levels recorded, YR ranks highest followed by WD, WC, WF, YL, WA, YO, WB, YP, and YM in descending order.

Table 2: Visibility after 3 months (Asphalt pavement)

After six months, YQ and YP fail to meet the set minimum threshold standards. Like before, YR tops the list followed by WC, WF, YL, WA, WB, WE, WG, YM, YN, AND YO in descending order.

Table 3: Visibility after 6 months (Concrete pavement)

These results indicate that YR still is the best alternative followed by WC with WA, WD, WG, YL, YM, YN, and YO only managing to rich threshold limits. WB, WE, YP, and YQ fail to attain the minimum threshold limits.

Table 4: Visibility after 6 months (Asphalt pavement)

YR and WC still present outstanding results as WA, WB, WF, YP, and YQ fail to attain the minimum threshold limits.

Other than showing good visibility properties, also records a “very good” rating in terms of spraying characteristics. Others recording outstanding characteristics are WA, WB. WC. WD, WE, YL, YR.

Other than YM and WB, all the other paint types dry within the desired 20 minutes duration. Noting that YR and WC have so far displayed competing capability, it’s worth looking into their drying durations. While YR takes, 15 minutes, WC takes 18 minutes making YR the preferable choice among the two. WD records the shortest drying durations. While generally, white paints show outstanding characteristics, YR displays superb results only rivaled by WC and as such, they are recommended as the best alternatives in marking highways.

Appendix 1: Coding of paints

Appendix 2: Visibility rating

Appendix 3: Summary of results-Inspection

The following results were obtained from inspection of the characteristics of the paints used:

Rating Paints
Very good WA, WB. WC. WD, WE. YL. YR
Good WE, WG, YM, YN, YO, YQ
Fair YP

Table 5: Spraying characteristics


Table 6: drying time in minutes

Paint code Concrete pavement Asphalt pavement
Day Night Day Night
WA 8 8 8 9
WB 7 8 7 7
WC 8 9 10 9
WD 9 9 7 9
WE 7 6 7 8
WF 8 9 9 10
WG 7 7 7 9
YL 8 9 9 9
YM 7 7 7 9
YN 7 9 7 8
YO 8 8 7 8
YP 7 8 6 8
YQ 5 6 4 6
YR 9 10 9 9

Table 7: Visibility (After 3 months)

Paint code Concrete pavement Asphalt pavement
Day Night Day Night
WA 6 6 5 7
WB 4 5 5 5
WC 8 8 9 9
WD 6 7 6 8
WE 6 5 6 7
WF 5 7 5 6
WG 6 7 6 7
YL 6 7 7 8
YM 6 7 6 8
YN 6 7 6 7
YO 6 7 6 8
YP 3 4 4 5
YQ 2 3 3 4
YR 8 9 8 9

Table 8: Visibility (after six months)

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IvyPanda. (2022, January 14). Brand for Marking Highway Centerlines and Lanes. https://ivypanda.com/essays/brand-for-marking-highway-centerlines-and-lanes/

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IvyPanda. (2022, January 14). Brand for Marking Highway Centerlines and Lanes. Retrieved from https://ivypanda.com/essays/brand-for-marking-highway-centerlines-and-lanes/

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"Brand for Marking Highway Centerlines and Lanes." IvyPanda, 14 Jan. 2022, ivypanda.com/essays/brand-for-marking-highway-centerlines-and-lanes/.

1. IvyPanda. "Brand for Marking Highway Centerlines and Lanes." January 14, 2022. https://ivypanda.com/essays/brand-for-marking-highway-centerlines-and-lanes/.


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IvyPanda. "Brand for Marking Highway Centerlines and Lanes." January 14, 2022. https://ivypanda.com/essays/brand-for-marking-highway-centerlines-and-lanes/.

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IvyPanda. 2022. "Brand for Marking Highway Centerlines and Lanes." January 14, 2022. https://ivypanda.com/essays/brand-for-marking-highway-centerlines-and-lanes/.

References

IvyPanda. (2022) 'Brand for Marking Highway Centerlines and Lanes'. 14 January.

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