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13-slurry seal 020206

13-slurry seal_020206.qxd 6/14/2006 9:56 AM Page 2 Slurry Seal Application 2 Note: Type I (#200 x 1/8 in. [3 mm]) aggregate mixtures are typically used for maximum crack penetration and sealing minor raveling within areas of low traffic volume. Type II (#200 x …


application of slurry and be in good working order. A mobile unit equipped with an accurate mineral filler feeder and a fog type spray bar is required. The unit shall be capable of an operation speed of 60 feet per minute and have the capacity to store mix components to produce a minimum of five tons of slurry seal. The unit shall be capable


8.1.2 Purpose of a Slurry Seal A slurry seal is a thin surface treatment that is laid in a thickness equal to the largest stone in the grading of its component aggregate. It may include either a conventional or polymer modified emulsion, and the slurry seal may be slow or quick setting. The emulsion is usually cationic in nature, but may be ...

CHAPTER 8 SLURRY SEALS - California Department of ...

Caltrans Standard Specifications, Section 37-2, specifies three aggregate grading sizes for slurry seals: Type I, II and III (Caltrans, 2006). The gradation for each type is listed in Table 8-2. Table 8-2 Caltrans Slurry Surfacing Aggregate Gradings (Caltrans, 2006) SIEVE SIZE PERCENTAGE PASSING TYPE I TYPE II TYPE III 3/8 in (9.5mm) - 100 100

Slurry Seal - PPRA

A B. (PCI of 77 or greater) Slurry seal is a surface treatment designed to extend the life of asphalt pavements in good condition by providing skid resistance, restricting moisture intrusion, protecting the structure from further oxidation and raveling, and restoring a uniform black appearance. Slurry seal boasts quick construction times and ...

Chapter 8 Slurry Seals - California Department of ...

• 2006 Standard Specifications, Section 37-2 Slurry Seal ... Type III Min Type III Max. Chapter 8 – Slurry Seals. Aggregate - Quality. Test Type I Type II Type III Test Method Sand Equivalent (min) 45 55 60 CT 217 Durability Index (min) 55 55 55 CT 229 ...

City of Holtville

sections be improved with crack sealing followed by a type 2 slurry sealcoat. It will be necessary to method to be used to improve the street sections. The SAM recommends that a portion of the street document. The SAM categorized the 17.74 mile street system according to the type of rehabilitation


PROJECT ID NO. SPECIAL PROVISIONS SECTION R - ROADWAY The following Special Provisions supplement and amend the Standard Specifications for Public Works Construction, 2015 Edition.


37-2 SLURRY SEAL 37-2.01 Slurry Seal. -This work shall consist of mixing asphalt emulsion, aggregate, set control additives, and water and spreading the mixture on a surfacing or pavement where shown on the plans, as specified in these special provisions, and as directed by the Engineer. The requirements in Subsections 37-2.01 through

Laboratory Study of Slurry Seal Coats - Iowa

2. Although asphalt emulsion slurry seals have been used in the U.S. for more than 25 years and many thous~nds of miles of successful asphalt emulsion slurry seals have been built both in the u.s. and abroad, their design and construction are still an art rather than a science, Experiences with the slurry seal have been mixed; consistent


• The slurry seal be mixed in continuous pugmill mixers of adequate size and power for the type of slurry seal to be placed. Indicators required in conformance with the provision in Section 37-2.04, "Proportioning, "shall be in working order prior to commencing mixture and spreading operations.


Bituminous Material for Slurry Seal. Bituminous material shall be CQS-1hL and shall conform to the requirements in subsection 702.02, Table 702-4. The emulsion shall be capable of being pumped and shall be suitable for use in slurry seal mixing, spreading and application using slurry seal equipment and a distributor truck. 409.04. Chip Seal ...


Page 3 9/2/2016 spreader box and other areas where hand-spreading may be required. A hand drag shall be used at the locations to give the same texture as the machine-laid surface. A sufficient amount of slurry seal shall be carried in all parts of the spreader box at …

Micro-Surfacing – West-Can Seal Coating Inc.

Micro-surfacing is a mixture of polymer modified asphalt emulsion, manufactured aggregate, portland cement, water and liquid additives. The mixture is proportioned according to specifications and laboratory mix design. Micro-surfacing is a quick set, quick traffic system that is able to accept traffic after a short period of time.

» Slurry Seal

Slurry seal is a mixture of aggregate, asphalt emulsion, and filler, which are mixed together according to a laboratory's design-mix formula. water is also added for workability. Asphalt emulsions serve as a binder, holding the crushed aggregate together and adhering the new slurry surfacing to the old surface over which it is being applied.

International Slurry Surfacing Association

PPRA/FHWA Webinar: CIR/CCPR Mix Design Guidelines & Practices. 12/7/2021 » 12/9/2021. Road Resource Network Bootcamp. 12/16/2021. PPRA/FHWA Webinar: Slurry/Micro Surfacing Construction Best Practices, Part 2. 1/17/2022 » 1/20/2022. 2022 Slurry Systems Workshop.

Slurry Seal Quality Construction

proportions vary by type of slurry seal. For Type A and B slurry seal, the residual asphalt content must be between 8.0-10.5%. For Type C slurry seal, it must …

Type 2 Elastomer Bellows Seals | John Crane Mechanical Seals

Multi-purpose Non-pusher Elastomer Bellows Seal. The Type 2 mechanical seal is available in single, double and balanced arrangements. An outside-mounted spring results in a compact working height that enables it to fit very short stuffing boxes. View Technical Specification. View complete list of product documents in all languages >.

KDOT: 2015 Standard Specifications for State Road and ...

hma base (reflective crack interlayer (rci)) 15-06009-r01 - hma base (reflective crack interlaer (rci)): 615: saw and seal joints (hma overlay) 15-er-1-r21 - errata sheet for standard specification book for state road and bridge construction, edition 2015: 15-06001 - plant mix asphalt construction (bm-mixes): 15-06002 - plant mix asphalt construction - commercial grade (bm-mixes)

A-1 Slurry Sample Specification PROJECT MANUAL, PART A ...

a-1 slurry sample specification . section 10-2.12, type ii slurry seal (bid item 7) (city of lompoc, department of public works california, project manual, part a, notice to contractors and special provisions for 2018 cape seal project city project no. fy-18-s-3) general

Slurry Systems Quality Assurance Guide

Slurry Systems Quality Assurance Guide Description: Slurry Systems Slurry systems are pavement preservation surface treatments that encompass micro surfacing, slurry seal, and polymer modified slurry seal. Each treatment type is designed to extend the life of asphalt pavements in good condition by providing skid resistance, restricting moisture

Slurry Seal Surfacing | Hardrives Construction

Type II slurry uses 1/4" aggregate and is commonly used to seal, correct moderate to severe raveling, oxidation damage and loss of matrix, as well as improving skid resistance. It is the most commonly used slurry seal and is widely employed where moderate to heavy traffic is found.

Asphalt Seal-Coat Treatments

Generally, Type I slurry seals are used in parking lots and Type II and III seals are used on streets and higher traffic roads. Slurry seals will fill small surface cracks, stop raveling, and improve the skid resistance of the pavement. Advantages The surface of a slurry-seal treatment is smoother than a …

slurry seal project in 2 minutes - YouTube

This video shows the major aspects of most slurry seal projects condensed down into two minutes of time.

Slurry Seals – Pavement Interactive

This type is coarser than a Type I aggregate slurry (it has a maximum aggregate size of 6.4 mm (0.25 inches)) and is used to (1) treat existing pavement that exhibits moderate to severe raveling due to aging or (2) to improve skid resistance. Type II aggregate slurry is the most common type. Type III (coarse). This type has the most coarse ...

Slurry Seal Greenbook - Graham Contractors

Slurry Seal Min. Max. Min. Max. Type I 8 lbs./yd² 11 lbs./yd² ELT/2950ft² ELT/2145ft² Type II 11 lbs./yd² 15 lbs./yd² ELT/2120ft² ELT/1555ft² ELT = Extra Long Ton. All the calculations are based on 20% water content. An extra long ton of slurry is made up of 2,000 pounds of dry aggregate plus asphalt, accelerations or retardant, and water.

Slurry Seal Treatment Types - Los Angeles County, California

A slurry seal is the application of a mixture of water, asphalt emulsion, aggregate (very small crushed rock), and additives to an existing asphalt pavement surface. A slurry seal is similar to a fog seal except the slurry seal has aggregates as part of the mixture. This combined mixture of the emulsion and aggregates represents "slurry."

Manual 28 - Sabita

Manual 28 Best practice for the design and construction of slurry seals Published by Sabita Postnet Suite 56 Private Bag X21 Howard Place 7450 SOUTH AFRICA

Section 427 Emulsified Asphalt Slurry Seal

Before placing the slurry seal, apply a bituminous tack coat consisting of one part emulsion and three parts water to the old surface as follows: 1. Apply a tack coat with the same asphalt emulsion type and grade as used in the slurry seal. 2. Apply the tack coat according to Section 413. 3. Apply the tack coat with an asphalt distributor. 4.

Sealcoating & Slurry Seal - What is the Difference?

• Slurry seal is a thick solution that is primarily for use on streets and roads where traffic is heavy or moving at high speed. • A slurry seal produces a revitalized protective surface that prolongs the life of the pavement beneath it. • Because of the size of the aggregates in a slurry seal, the surface will be rougher and have better ...


SLURRY SEAL SURFACING. (REV 9-15-14) SECTION 335 SLURRY SEAL SURFACING 335-1 Description. Construct a slurry seal with the type of mixture specified in the Plans. Slurry seal is a mixture of polymer-modified emulsified asphalt, mineral aggregate, mineral filler, water, and other additives, properly proportioned, mixed and spread on a paved surface.

Standard Specifications for Road and Bridge Works for ...

slurry, in case of Cape seals. The term fog spray or rejuvenation spray - is used for the application of anionic emulsion, diluted anionic emulsion or invert emulsion rejuvenator for purposes of adding additional binder to the seal or rejuvenating the seal at a later stage of the seal life. Specifications for this type of treatment are


Page 2 Standard Construction Specifications Division 40 – Asphalt Surfacing Revised 11/08 ... SECTION 40.02 SEAL COAT Article 2.1 Description ... Asphalt Institute for the type and grade shown below: Asphalt for Seal Coating CRS-2 or CRS-2P Article 2.3 Cover Aggregate

Recommended Performance Guidelines - Montana

Type II Urban and Residential Streets 2 Airport Runways 12 - 20 lb/yd (5.44 - 9.07 kg/m2) Type III Primary and Interstate Routes 18 - 30 lb/yd2 (8.16 - 13.6 kg/m2) Application rates are affected by the unit weight of the aggregate, the gradation of the aggregate and the demand of the surface to which the slurry seal is being applied. ISSA ...

2012 Standard Specifications Manual - 06 ASPHALT PAVEMENTS

Equip the mobile unit with a water pressure system and fog type spray bar capable of completely fogging the surface to that slurry seal is to be applied. Use a mobile unit capable of an operative speed of at least 60 ft/min and that has sufficient storage capacity to mix and apply a minimum of 5 tons of slurry.


Slurry Seal Mix Design Specifications: Before work begins, the Contractor shall submit a mix design covering the specific materials to be used on the project. The mix design shall identify the job mix formula and present test results for the required specifications verifying the compatibility of the aggregate and the modified CQS-1HL.