Pavement patching repair for ac and pcc pavement surfaces. Sprayinjection patching nestled in the litchfield hills of northwestern connecticut is a small city that has made eradicating potholes on their streets a yearround activity. Spray injection patching is a specialized repair process that combines hot asphaut, emulsion and crushed aggregate using forced air in as little as 4 simple steps. In this method, special truckmounted equipment is used to first blow out water and debris from the crack or pothole, after which aggregate and emulsion will be injected into it. For example, the michigan department of transportation has used preventive maintenance to. This method is generally used when the repair must be done quickly and efficiently. Spray injection patching sealco colorado pothole repair.
The unit will be used in preparation for chip seal applications and various other routine patching, focusing on various roads. These oneman systems provide a repair that is not only fast and economical but also extremely durable due to high material compaction and density. Dondon tt repair the same areas twice which repair the same areas twice which you often have to do with standard mixes. Field reports are generated by crafco representatives as they witness state agencies and contractors utilize crafco pavement preservation materials and equipment to repair roads and bridges. The federal highway authority says that spray injection patching is the best year round method in terms of lifespan and economical cost. It effectively rejuvenates highways, roads, and parking lots, and reduces further deterioration by cleaning, filling, smoothing and sealing cracks, ravelling, potholes, gutter gaps and other bumps and depressions. Sjr is one of the oldest spray injection asphalt companies in michigan. We have over 18 years of expertise in the spray injection asphalt application.
Spray injection patching a rapid patching technique suitable for use on rural and urban roads using cold emulsion asphalt which is placed into the void depression in the road surface under high pressure. Asphalt patching michigans local technical assistance program. Oct 17, 2011 the mix used in spray injection patching is a combination of aggregate and emulsion. The prepared hole is then filled with the patching mix and compacted with a roller.
The fhwa suggests the best patching techniques, at times other than winter, are spray injection, throwandroll, semipermanent, or edge seal procedures. The skin patching sites that were used for comparison purposes exhibited basically the same type of roadway distresses. Asphalt pavement patching and maintenance objectives 2. Our inventory of used spray patchers consists of pothole patch bodies made by unitized asphalt patchers, thermolay asphalt patchers, pb loader corp, hd industries, propatcher, patch king, bergkamp, stepp mfg and others. Crafco is the worlds leading manufacturer in quantity and diversity of packaged pavement preservation products for asphalt and concrete such as hotapplied crack sealants, silicone joint sealants, hotapplied mastics, and coldmix for pavement surface patching and repair. The fhwa manual cites the spray injection procedure as an efficient alternative to semipermanent repair. Crafco magnum spray patcher system the crafco spray injection patcher systems utilize high air velocity, which allows for the cleaning, tacking and filling to be completed in one continuous operation. Spray injection patching welcome to archway roadmaster. Polymer modified asphalt based binderaggregate mixtures ac pavement repair.
Find international, rosco, gmc, kenworth, pb loader, and sterling for sale on machinio. Rsta code of practice for innovative patching systems. The spraypatch process fixes potholes, alligatoring and surface damage to roads and parking lots using a three step process 1. Gmc gmc t7500 sa roadpatcher 2009 gmc t7500 sa roadpatcher 34 hours isuzu diesel at 12000 lb front 2 lb rears 168 in. Labor savings less people on patching crew with more productivity. Moderate asphalt or sprayinjection patching singleapplication sealcoat with up to 50% doubleapplication sealcoat 6 to 8 p oo r sealcoat 4 edge distress apr, 2018 whether that might some day include a pothole killer is unknown, but preski, the patch management official, said the company is continually expanding. To reduce repatching, use the best materials available. Tables are outlined giving the most common flexible pavement distresses, along with the best practices for rehabilitation for each.
Asphalt patching michigan technological university. This allows vehicles access to the area sooner and minimizes traffic flow disturbances. Spray patching is a fast, cost efficient way to make long lasting repairs to damaged pavement. We expect the use of this equipment and the spray injection patching method to become our primary patching option. Spray patch fixes asphalt and concrete pavement with spray injection patch technology and provides a long lasting, economical alternative to cold patch repairs and repaving. The contractor is to provide a roadway spray injection patching trailer per. Repair is prepped and a combination of asphalt emulsion and aggregate is sprayed into the repair are. These machines, made in jamestown, co leitrim by archway products ltd, automate road repair and maintenance and are claimed to fill potholes more accurately and more cheaply than traditional methods. Quality materials should be used with the throwandroll procedure, and the sprayinjection device should be well maintained and operated by. It ws learned that pothole patching during the winter using the spray injection patching method w snore successful than the cold mix patching that is normally used in cold weather. The use of hotmix asphalt concrete ac, although recognized as a preferred alternative for patching operations, is not covered in this manual. Spraying a tack coat of binder on the sides and bottom of the pothole 3. Traditional methods typically use either hotmix asphalt or a preblended, prebagged mix.
The patching operations described in this manual can be performed in any weather. Spray injection pothole patching provides a quick, simple pothole repair using a less invasive process and repairs potholes in minutes. Spray injection patching is a process where using specialized equipment, aggregate is simultaneously premixed with a heated asphalt emulsion and sprayed through a hose and nozzle into the pothole. Nestled in the litchfield hills of northwestern connecticut is a small city that has made eradicating potholes on their streets a yearround activity. Pothole killer gives transit agencies another option for. Alternative innovations self contained patch unit spray injection patching.
At approximately half the repair time of other methods, the system can significantly reduce your pothole backlog, while minimising disruption to road users and the public. Polymer modified resin based binderaggregate mixtures pcc pavement repair. The skin patching sites that were used for comparison purposes. For example, the michigan department of transportation has used preventive maintenance to balance.
Nov 10, 2011 the spray patch process fixes potholes, alligatoring and surface damage to roads and parking lots using a three step process 1. Pennsylvaniabased patch management believes their pothole killer can repair potholes near permanently. Best practices handbook on asphalt pavement maintenance february 2000 publishedby minnesota technology transfer t2. A pothole is a depression in a road surface, usually asphalt pavement, where traffic has. Pothole killer gives transit agencies another option for roadway fixes.
Semipermanent repairs are made with bitumen emulsion, lasting as long as repairs using hot rolled asphalt. A rapid patching technique suitable for use on rural and urban roads using cold emulsion asphalt which is placed into the void depression in the road surface under high pressure. The cost of patching the same potholes over and over because of poorquality patching material quickly offsets any savings from the purchase of a less expensive cold mix. Continuously driving the industry by striving to make improvements to. Oregon department of transportation study 1998, this is a highly successful and efficient method of road repair.
Mounted, spray injection patching unit rckc staff has spent considerable time over the years in research to determine the best patching unit for rckc. Spray injection patching rsta road surface treatments. This method is generally used when the repair must be done quickly. Materials used in spray injection costmaterials used in spray injection cost approximately half of what cold mix costs. The mix used in spray injection patching is a combination of aggregate and emulsion. Use infrared heater to heat repair area, re work, and compact. Spray injection patching pothole repair for driveways, parking lots and roads. Truck mounted, spray injection patching unit 3 i hereby state that all of the information i have provided is true, accurate, and complete, and that i have read and i agree to be bound by the requirementsterms and conditions.
A step up from the truckandcrew methods are the selfpropelled units. It is the intent of the monroe county road commission to acquire one spray patching machine model year 2020. Our inventory of used spray patchers consists of pothole patch bodies made by unitized asphalt patchers, thermolay asphalt patchers, pb loader corp, hd industries, propatcher. Michigan, wisconsin, new jersey, colorado, pennsylvania research projects. The void is first blasted with compressed air to clean the surface and remove any debris, then the surface of the void is sprayed and coated. The spray patch process cleans the hole or cracks from debris and uses a tack coat to ensure a bonded patch to the substrate below. Spray injection pothole patching provides a quick and simple pothole repair using a less invasive process. Patch management claims its pothole killer can fix potholes nearly permanently. We provide a unique product for extending the life of your pavement and a more durable repair product than standard cold or hot patching.
Truckmounted units are operated at the front of the unit thanks to the frontmounted boom, which provides a working radius of up to. Sealco incorporated has the pavement repair solutions for you. Asphalt or sprayinjection patching and doubleapplication sealcoat 7 to 9 3 edge distress 50%, lane distress 50%, or rutting greater than 2. Truck mounted, spray injection patching unit 1 notice to bidders sealed proposals will be received by the kalamazoo county road commission kcrc, at its offices at 3801 east kilgore road, kalamazoo, michigan 49001, until tuesday, may 21, 20 at 10. We stock used and refurbished spray patchers and hot asphalt patching trucks for sale. The first of two new roadmaster spray injection patchers destined for powys county council in wales have been delivered. Seamless welded bond between new and existing asphalt. Magnum spray patcher crafcos magnum spray injection patcher effectively repairs a wide variety of pavement conditions using an integrated operation system, which cleans the area to be repaired, applies a tack coat, coats the aggregate with asphalt emulsion and then applies the mixture, all in one continuous operation. Sjr pavement repair is a full service concrete and asphalt repair company using our proprietary equipment sjr specializes in spray injection asphalt repairs spray patch we have over 18 years of expertise in the spray injection asphalt application. There are three types of spray injection patching equipment. The throwandroll and spray injection procedures produced highquality repairs very quickly in all cases. Using our proprietary equipment sjr specializes in spray injection asphalt repairs spray patch. The federal highway administration fhwa offers an overview of best practices which includes several repair techniques. By signing each bid, the bidder will deliver all bid equipment complete and ready to operate.
The system is similar to spraypatching done by road agencies in. Spray injection is a less invasive patching technique that allows the damaged pavement to be blown out and repaired in minutes, bergkamp says. Spray injection patching does not repair underlying road base problems. Rsta code of practice for innovative patching systems issue 1 august 20 4 contents page 1. Pavement patching repair for asphalt and pcc pavement surfaces keywords. Thermal road repair involves applying heat to the upper 2030mm of the surface course of a defective area to soften the material so it can be easily reworked with any.
Pavement patching repair for ac and pcc pavement surfaces author \376\377\000v\000e\000r\000n\000 \000t\000h\000o\000m\000p\000s\000o\000n\000,\000 \000c\000r\000a\000f\000c\000o subject. Also given are recommended applications for crack sealers and fillers, surface treatments, and pothole patching. Spray injection asphalt patching is the most cost effective and permanent patching method availible. The final product is rolled and swept for a smooth transition. Repairs with spray patch have a longer life than repairs using hot or cold patch. Equipment has evolved to a 1 or 2 man unit that is operator friendly. Oregon department of transportation study 1998, this is a highly. May be necessary to crush and reshape prior to new sealcoat surface 8 to 10. Spray patch can extend the life of your pavement without repaving. Field reports detail the results of crafco products used in an array of climates, traffic conditions, and surface types. Best practices handbook on asphalt pavement maintenance. It further found that sprayinjection repairs were as effective as control.
A rapid patching technique suitable for use on rural and urban roads using cold emulsion asphalt which is placed into the void. Wb joystick control digital readouts schwarze rp6 box 4 in. Crafco magnum spray injection patcher crafco magnum. Asphalt patching techniques for roads, pavements and. Continuously driving the industry by striving to make improvements to our process. Crafco magnum spray injection patcher crafco magnum spray. Bergkamp sp5, sp8 spray injection patchers construction. Spray injection patching bridges of madison county, il. Continuous flow hook turn jughandle michigan left offset t intersection. Iables are outlined giving the most common flexible pavement distresses, along with the best practices for rehabilitation for each. Heres the roi on asphalt spray patching equipment for. The jetpatcher road repair system has been proven to reduce costs by up to 40% when compared to traditional pothole repair methods. The total patcher spray injection road repair systems allows the repair crew to quickly and efficiently create a permanent patch over potholes, alligator cracks, shoulder breaks and can make many other road repairs that last years.