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PART V -- ASPHALTIC PAVEMENTS

apply an approved asphalt tack coat in accordance with Section 504. Spray the tack coat with a power asphalt distributor meeting the requirements of 503.13.1 or a spray paver meeting the requirements of 503.15.1. Spray tack coat uniformly and accurately across the paving width and monitor the …

Prime Paving & Sealcoating: Asphalt Paving Contractors

Prime Paving & Sealcoating. Prime Paving & Sealcoating has been serving the Piedmont Triad, Foothills, and Charlotte Metro areas since 1956. Three generations later, the company is still family owned and operated and continues to provide a full range of residential and commercial asphalt paving …

A GUIDELINE FOR THE DESIGN AND CONSTRUCTION OF …

A prime coat and its benefits differ with each application, and its use often can be eliminated, however it should be discussed with the paving contractor. If a prime coat is used, AEP (asphalt emulsified prime) should be specified as it is designed to penetrate the base material. The use of a tack coat is not recommended for use as prime coat.

Use of Prime Coat - vaasphalt.org

What is a prime coat? A prime coat is an application of a low viscosity asphalt to a granular base in preparation for an initial layer (or surface course layer) of asphalt. What is the purpose of a prime coat? There are four primary purposes for the application of a prime coat …

IA DEPARTMENT OF TRANSPORTATION LOCATION …

Prime and Cover are to be placed on areas subject to public traffic as soon as possible. When Blotted Seal Coat or Surface Treatment is specified, the Prime and Cover shall be the initial seal or prime coat with same rate as shown on plans. L When liquid asphalt material is used as a curing material it shall be the initial seal of

Prime Coat - PPRA

Waiting Period Before Paving. Following application of the prime material and prior to application of the succeeding layer of asphalt mixture, allow the prime coat to cure and water or volatiles to evaporate prior to overlaying. This may take 24 hours for emulsion primes and 72 hours for cutback primes depending on site and weather conditions.

Home | Prime asphalt and concrete

From heavy single coating of our problend sealcoat for less traffic parking lots or driveways to triple coat for high traffic parking lots such as fast food drive-thru. ... Customer needed someone who could handle both the new concrete and new asphalt paving without having to call multiple contractors we done it all. ... ©2021 by Prime asphalt ...

Inspection Checklist - Asphalt Pavement Inspection …

e. Once the tackcoat or prime coat is completed the asphalt surface can be placed. 3. Placement of the Asphaltic Concrete: a. Check the condition and flatness of the screed prior to paving. b. Once the paving begins, check the matt thickness for conformance with the plans, continue to spot check during the course of the day.

How Much Does Asphalt Cost Per Square Foot? New Asphalt Or ...

Prime coat- coating promotes bonding with the subsequent layers, strengthening the relationship between them. The average cost for it is $1-$2.50 per square foot. With an existing pavement the process varies with price factor changing too: Repairs- when working on an existing pavement, the contractor has to examine the base and fix any damage ...

A reliable sealcoating company in

Q: Is a prime coat necessary? A: It was thought that the prime coat was an essential element of professional pavement construction. However, in the last years, some engineers have eliminated the use of a prime, especially when the asphalt layer is 4 inches or more in thickness.

FUNCTIONAL AND STRUCTURAL ROLE OF PRIME COAT IN ASPHALT …

For several decades, cutbacks have been used as the main prime coat material. However, recently, a certain change in the trend can be noticed because of energy, ecological, and economic awareness and this paper describes this new trend. Corporate Authors: Association of Asphalt Paving Technologists (AAPT) 400 Selby Avenue, Suite I

Inspection Checklist - Asphalt Pavement Inspection Procedures

e. Once the tackcoat or prime coat is completed the asphalt surface can be placed. 3. Placement of the Asphaltic Concrete: a. Check the condition and flatness of the screed prior to paving. b. Once the paving begins, check the matt thickness for conformance with the plans, continue to spot check during the course of the day.

Method Statement for Asphalt Paving Works – Civil ...

i) Immediately before paving the binder course material, the surface of the prime coat shall be cleaned with compressed air and shall be ensured that the surface is dry. ii) The hot asphalt mix shall be brought from the mixing plant by 6 wheel trucks or trailers. Upon arrival at site, the asphalt mix shall be dumped into the asphalt paver.

Surface Preparation – Pavement Interactive

Prime Coats. The graded subgrade or the top granular base layer can be prepared with a prime coat. A prime coat is a sprayed application of a cutback or asphalt emulsion applied to the surface of untreated subgrade or base layers in order to (Asphalt Institute, 2001 [1]):

Specification for Prime Coat and Tack Coat

The tack coat shall be applied on paved surfaces and vertical surfaces, such a concrete, which will be in contact with the asphalt paving by means of bitumen distributor at a maximum rate of 0.25 liters per square meter or as directed by the client representative. Tack coats shall not be placed during rainy weather, nor when the moisture on the surface to be paved would prevent proper bond ...

SECTION 32 12 16 ASPHALT PAVING PART 1 – GENERAL 1.01 …

Asphalt Paving 32 12 16 - 4 C. Contractor shall provide supplier certifications concerning the gradation and durability of the aggregate base. Compaction and other tests will be done by others. 2.02 PRIME COAT A. Material for prime coat shall consist of MC-70

What is Asphalt Prime Coat? - Iamcivilengineer

Asphalt Prime Coat is also termed as emulsified asphalt, water diluted asphalt and Cutback aliphatic spray. Recently I have got the chance of working on a highway project somewhere in a mountainous cold-weather region. And I was amazed after finding the impact of climate on construction activities and materials used therein.

404 BITUMINOUS TREATMENTS - Home | ADOT

together with an inch or more of the base, and blade mix the prime coat throughout long sections. This added expense is justified in preference to laying a pavement on a prime coat where there is free asphalt on the surface. The prime coat application rate must be calculated and documented on the "Project Asphalt Report" spreadsheet.

Surface Preparation | Washington Asphalt Pavement Association

Prime Coats. The graded subgrade or the top granular base layer can be prepared with a prime coat if necessary. A prime coat is a sprayed application of a cutback or emulsion asphalt applied to the surface of untreated subgrade or base layers in order to (Asphalt Institute, 2001): Fill the surface voids and protect the subbase from weather.

What is the Difference Between a Prime Coat and Tack Coat?

At one time it was thought that a prime coat was an essential element of good pavement construction. However, in recent years some engineers have eliminated the use of a prime, especially when asphalt layer(s) (surface and/or base) is 4 inches or more in thickness.

SPECIFICATIONS - DETAILED PROVISIONS Section 02513 ...

Asphalt binder to be mixed with aggregate shall be paving asphalt PG 70-10 or liquid asphalt (Section 93) in accordance with Caltrans Standard Specifications 39, 92, and 93. Paving asphalt to be mixed with aggregate shall be steam-refined asphalts. 2.04 PRIME COAT

Use of Prime Coat – Asphalt Pavement Association of New Mexico

What is a prime coat? A prime coat is an application of a low viscosity asphalt to a granular base in preparation for an initial layer (or surface course layer) of asphalt. What is the purpose of a prime coat? There are four primary purposes for the application of a prime coat on an aggregate base course;

NDDOT Construction Conference Prime Coat Feb. 28, 2018

asphalt layer over that of no prime coat. The reported differences were not always statistically significant . At higher static normal stresses, shear strength at the interface is not appreciably affected by the type or even the presence of a prime coat. This supports the practice of deleting prime at a minimum HMA thickness, typically 100 mm ...

Pavement Manual: Pavement Surface Preparation

3.2 Prime Coat - Flexible Pavements For flexible pavements, the graded subgrade or the top granular base layer may be prepared with a prime coat. A prime coat is a sprayed application of a cutback asphalt or asphalt emulsion (AE) applied to the surface of untreated subgrade or base layers.

Modern construction technology | Prime Coat apply process ...

Hello guys welcome back and today video shows applying moment of prime coat in road. this video helps to understand about this process to civil engineering s...

Guidelines for Using Prime and Tack Coat (Complied from ...

Need For Prime Coat: Mantilla and Button reported that granular bases should always be primed before application of surface treatments or an asphalt pavement of less than 76 mm (3 …

Use of Prime Coat and Tack Coat in Asphalt Paving

Use of Prime Coat and Tack Coat in Asphalt Paving Conference and Trade Show -2013 September 9 -12, Ottawa, Ontario. Outline • Purposes of interlayer coating • Structural impact • Prime-coating …

Tack Coat And Prime Coat Applications With Asphalt ...

Tack coat (also known as bond coat) is a light application of asphalt emulsion between hot mix asphalt layers designed to create a strong adhesive bond without slippage. Heavier applications may be used under porous layers or around patches where it also functions as a seal coat.

Prime Asphalt Paving - Home | Facebook

Prime Asphalt Paving. 80 likes. A full service paving and maintenance company. We Specialize in asphalt paving, repairs, crack sealing, seal coating, and striping.

PPRA | Emulsions: Prime Coat

Most typically utilized in traditional road design, prime coat bonds loose material particles on the surface of the base before applying a following layer of asphalt. In doing so, the fine particles in the base are critical to developing the structural integrity of the entire …

Surface King Tack & Prime Coat Applications With …

Prime coats are often deleted if no wet weather is anticipated and the base can be covered within seven days. Prime may not be necessary if the HMA is greater than 100 mm (4 in) thick. Prime coat increased the bond strength at the interface between a compacted base and asphalt layer over that of no prime coat.

Ergon Asphalt - Success Story - Eco-friendly Prime Coat ...

One of the challenges for Central Federal Lands was finding a prime coat that would be environmentally friendly and allow for same-day construction, cross traffic, and paving, as contractors usually have to wait up to 48-72 hours before paving over solvent­ containing prime coats. Solution: ePrime Environmentally Friendly Prime Coat