Tips & Advice Posts

Jumpform, also known as jump system formwork, and slipform are both used in construction involving concrete. They are most often self-climbing forms that are used in the construction of tall buildings or other sizeable structures. They are particularly useful for the creation of shafts and cores as well as bridge pylons, silos, and chimneys. Jumpform as well as slipform may be referred to as a “climb-form” system.

Similarities

With both jumpform and slipform, concrete is poured into self-climbing molds until a concrete structure reaches a desire height. Electric motors or hydraulic rams may help facilitate the vertical climbing of these types of forms, eliminating or reducing the need for cranes. Jump system formwork and slipform both make use of work decks or platforms that climb vertically as the forms do to allow for the completion of concrete pours and reinforcement at various levels with ease. Neither jumpform nor slipform requires support from other parts of a building or construction. They are self-supporting, as they hold themselves up using the concrete that has been cast below each of their vertical levels or using other built-in support systems.As you can probably tell, these form systems have quite a bit in common. There are some things that differentiate them from each other, however. Below are some of their key differences.

Jumpform Differences

The use of jumpform involves a progression of a series of “jumps” or levels of concrete pours. On each level, concrete is poured and sets before jumping or progressing to the next level. This ensures a supportive foundation to move up. For instance, if jumpform is designed to produce ten-foot sections, concrete will be poured and set in the first ten-foot section. After which, the form will “jump” up to the next level, and concrete will be poured into the second ten-foot section. This process will continue until a structure reaches the necessary height. Jumpform is well-suited to applications in which any joints in between levels will ultimately be concealed in the final construction of the building or structure.There are a few different types of jumpform. These are the most common:

• Traditional Jumpform – This type involves using a crane to lift formwork to each level.
• Guided Jumpform – This is really similar to traditional jumpform except that formwork units stay attached/anchored to the concrete structure as formwork is raised by a crane. Guided jumpform can be a bit safer than traditional jumpform.
• Self-climbing Jumpform – No crane is needed for this category of jumpform, as it’s raised to new levels on rails.

Slipform Differences

As we’ve mentioned, slipform has a lot in common with jumpform. The main difference between the two is that slipform uses a structure’s core of shaft for its support, and it moves up slowly as concrete is poured in one long, slow pour. This eliminates the need for waiting for each level to dry. Slipform is great for creating tapered structures with walls that have thickness that contracts at various levels. In general, this type of self-climbing formwork system is considered to be more efficient than jumpform for particularly high buildings, especially those over ten stories. Slipform usually consists of three platform stations. The lowest station is used for the finishing of concrete. The middle station is used at the highest level of where concrete is poured, and the highest station is where materials for the project are stored.Slipform creates a continuous, smooth, and highly precise concrete end product with no joints from jumping. This is ideal for structures where joints won’t be covered up, particularly for structures like chimneys and bridge pylons. A downside of slipform in comparison to jumpform is that it’s usually a bit more expensive, and it requires workers to attend to concrete pours for longer consecutive hours.Overall, both jumpform and slipform come with unique advantages that make them excellent choices for the efficient construction of tall concrete structures.

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Eiffel Trading is an online marketplace for heavy civil contractors to buy and sell new and used assets. Our equipment inventory includes various types of concrete equipment including concrete formwork, overhang stripping buggies, bridge overhang brackets, and more. Additionally, our material inventory ranges from crane mats, to access trestle, and everything in between.All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for free.Ready to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.

Bridge overhang brackets are a vital part of the concrete formwork used in the construction of bridge deck overhangs. Overhang brackets secure and support all of the other formwork used in the creation of overhangs. They are commonly made of steel and built to withstand heavy loads and significant pressures. Installation of bridge overhang brackets is usually fairly quick and simple. There are even types of bridge overhang brackets that are engineered to be able to be installed as a group all at once. Most types of these brackets can be affixed to concrete beams, concrete box beams, or steel beams. Bridge overhang brackets are removed once the desired concrete shape for a bridge deck overhang has set. After they are removed, they can be re-used or sold.

MOST POPULAR TYPES

The various types or categories of bridge overhang brackets differ based on capabilities, size, and adjustment qualities. For the purpose of this article, we will be discussing the different types of bridge overhang brackets produced by Dayton Superior, a popular overhang bracket manufacturer. The list of types of bridge overhang brackets below helps illustrate the scope of possibilities offered by these formwork components.1. C49 – This is the basic overhang bracket in the C49 series. It’s a versatile option and boasts a horizontal length of 54 inches and a vertical adjustment range of 30 inches to 50 inches.2. C49D – Meant for use on bridge structures with deep beams, this category of overhang bracket is pretty similar to the C49. However, it comes with longer legs, vertically and diagonally. Like the C49, its horizontal length is 54 inches. Its vertical adjustment range is 50 inches to 70 inches.3. C49S – A top choice for use with shallow beams, the C49S is a modified type of bracket. It has a removed inner vertical leg. With the use of its outer vertical leg, it can be adjusted to a vertical height of as little as 14 inches. Its horizontal length is 54 inches, and its vertical adjustment range is 14 inches to 28 inches.4. C49W – This type of C49 bracket is designed to prevent bending of the web of beam during bridge overhang deck construction.5. C49JR – This is the “junior” option in the C49 series. It is ideal for use when dealing with a limited amount of space between twin bridges. Its horizontal length is 27 inches, and its vertical adjustment range is 16 inches to 28 inches.6. C89 – The C89 series of bridge overhang brackets are considered “heavy-duty,” which means they are extra-long and extra-strong and offer a significant amount of support for heavy vertical loads. The C89’s horizontal length is 72 inches.7. C89L – This type of heavy-duty bridge overhang bracket is engineered to offer the most strength and adjustability. Its horizontal length is 90 inches, and its vertical adjustment range is 30 inches to 68 inches. An exterior hanger attachment is typically used with this type of overhang bracket.

FINAL THOUGHTS

These are just some of the options on the market from one specific manufacturer of bridge overhang brackets, but they offer a look into how many choices are available to companies searching to find the right fit for their bridge deck overhang construction project.

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From concrete formwork, to overhang buggies, to overhang brackets, we have what you need for your concrete jobs! Furthermore, our material inventory ranges to include barrier wall, HDPE pipe, steel plates, and more.All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for freeReady to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.

The South Carolina Department of Transportation outlines specifications regarding the proper dimensions for F-shape temporary concrete traffic barriers, including general notes, plan view details, elevation view details, and more.

South Carolina Temporary Concrete Barrier F-Shape General Notes

The South Carolina Department of Transportation’s general notes are as follows:

1. The details for this barrier meet NCHRP Report 350.
2. All approved temporary concrete barriers should have the SCDOT approval stamp embedded on top of the barrier. The approval stamp, “SCDOT 350 XX 00 00” should be embedded 12” from either end of the barrier.
3. Concrete utilized for this barrier wall design should be Class 4000 for a minimum strength of 4000 PSI.
4. Additional reinforcing may be added to the wall to facilitate handling.
5. Pin and loop connectors should be ASTM-A36. Reinforcing steel bars should be ASTM A 706 Grade 60.

South Carolina Temporary Concrete Barrier F-Shape Specifications

The South Carolina Department of Transportation’s F-shape temporary concrete barrier specifications are as follows:Plan ViewBarriers measure 20’-0” long and 24” wide. They include two #4 horizontal bars, two #6 longitudinal bars and three #4 stirrups.Elevation ViewBarriers include a nominal drainage slot that 2’-7” long, 2” tall, and is centered on the barrier. Barriers also include a ½” x ½” chamfer on all edges. The #4 stirrups are spaced 9” apart, with the center stirrup being centered on the barrier. There is a 12” gap between the leftmost stirrup and the outer left edge of the barrier, and a 12” gap between the rightmost stirrup and the right edge of the barrier.Section A-ASection A-A details the spacing of the lowest horizontal bar in comparison to the #6 longitudinal bar. The horizontal bar is placed behind the longitudinal bar and below the threshold of its hairpin curved ends. There is a gap of 5” between the top of the longitudinal bar and the top of the barrier.Section B-BSection B-B details the spacing of the lowest horizontal bar in comparison to the #6 longitudinal bar. According to this view, the horizontal bar sits just above the threshold of the longitudinal bar’s hairpin curved ends. There is a gap of 6-1/2” between the top of the longitudinal bar and the top of the barrier.Section C-CSection C-C details the placement of the #6 longitudinal bar in comparison to the barrier; there is a gap of 8” between the top of the bar and the top of the barrier.This blog post is an interpretation of specifications by the South Carolina Department of Transportation. Please consult with SCDot's most recent requirements for definitive information.

READY TO PURCHASE TEMPORARY BARRIER WALL?

Eiffel Trading is your one stop shop for all types of precast barrier wall, including f-shape barrier, low profile barrier, jersey barrier, and much more. Additionally, we also specialize in foundation equipment, concrete formwork, sectional barges, and more.All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for free.Ready to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.

The North Carolina Department of Transportation outlines general notes regarding the proper dimensions of portable concrete traffic barriers, including general notes, elevation views, plan views, section details, and more.

North Carolina Portable Concrete Barrier General Notes

The North Carolina Department of Transportation’s general notes are as follows:

1. The draining/lifting slot shown on the outline (and detailed below) is a modification of the lift openings. All other design criteria (such as reinforcing bars, etc.) are the same as shown on the standard drawings.
2. Barriers with drainage/lifting slots are intended to be used in areas where the roadway surface water runoff causes excess puddling adjacent to the temporary barrier. Install the barrier as shown in the plans, or as directed by the Engineer.
3. Drainage slots can be used with anchored “portable concrete barriers.”

North Carolina Portable Concrete Barrier Specifications

The North Carolina Department of Transportation’s specifications for barriers are as follows:Plan ViewAccording to the plan view, barriers measure 10’-0” long and 2’-0” wide. They include a 1-1/4” space of clearance (typ.) between the point where the connection hook inserts into the barrier and the edge of the barrier.Elevation ViewBarriers include ¾” diameter loop bars running through the center of the barrier. The bars protrude on the left and right sides of the barriers by a distance of 2” (when measured from the face of the barrier to the outer edge of the bar).On the right side of the barrier, there are 6” between the top of the barrier and the upper bar; 4” between the upper bar and the middle bar; and 1’-2” between the middle bar and lower bar.On the left side of the barrier, there are 8” between the top of the barrier and the upper bar; 1’-2” between the upper bar and the middle bar; and 4” between the middle bar and lower bar.End View A-ABarriers measure 2’-0” wide at the bottom and 4” wide at the top. They have a RAD. Of 10” and a ¾” chamfer or radius on all corners. The vertical reveal is 3”. The lower slope is 10” tall 7” wide. The upper slope is 1’-7” tall.Section B-BSection B-B depicts a welded wire fabric running through the center of the barrier which is labeled “6 x 6 W2.9 x W2.9.” There is a #4 bar attached to the fabric with approved wire ties. All ¾” diameter loops running through the center of the bar are attached to fabric.Elevation Details of Drainage and Lift SlotsFrom an elevation view, the drainage slot measures 3” tall and 3’-4” wide. The image shows crosshatching to denote an open area at the bottom of the barrier, which allows for drainage.This blog post is an interpretation of specifications by the North Carolina Department of Transportation. Please consult with NCDot's most recent requirements for definitive information.

LOOKING FOR NEW OR USED PORTABLE BARRIER?

Look no further than the Eiffel Trading online marketplace! Our barrier wall selection ranges from various DOT specs, to f-shape barrier, to k-rail barrier, and every type in between. Furthermore, our equipment inventory includes sectional barges, foundation equipment, concrete formwork, and so much more.All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for free.Ready to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.

The Utah Department of Transportation outlines specifications regarding the proper dimensions for 32-inch F-shape concrete barriers with sloped end sections, including general notes, plan view details, elevation view details, and more.

Utah Precast Concrete Barrier F-Shape 32 Inch Sloped End Section General Notes

The Utah Department of Transportation’s general notes are as follows:

1. Provide scuppers when shown.
2. Measurements are to the intersection of barrier slopes.
3. Used sloped end sections as allowed on the Standard Drawings BA 1D.
4. Use permitted in work zones when speed is 40 MPH or less before the start of the construction project.
5. Each barrier unit weighs 3.0 tons.

Utah Precast Concrete Barrier F-Shape 32 Inch Sloped End Section Specifications

The Utah Department of Transportation’s specifications for 32-inch F-shape concrete barriers are as follows:Elevation ViewBarriers are sloped in the shape of a wedge. The tall side of the barrier measures 32” high, and the short side measures 4” high. Barriers are 20’-0” long with a laying length of 20’-1/2”.Barriers include a stabilization pin slot (typ.) on the tall end of the barrier, which are spaced 1’-7” from the outer edge of the barrier, as well as connection loops (typ.).On the short end of the barrier, there is a 2” diameter hole centered in the end section with a stabilization pin. This hole is spaced 2’-0” from the outer edge of the barrier.Barriers include H1, H2, H3, V1 and V2 reinforcing bars.Section A-ABarriers measure 24” wide at the bottom and 9-1/2” wide at the top. They include a 3/4” chamfer on all edges. Barriers stand 32” tall. R=10”. The bottom slops is 7” tall and the top slope is 22” tall. There is a 3” vertical reveal and a keyhole centered on the bottom of the barrier.Section B-BBarriers include a stabilization pin slot on the bottom slope on both sides of the barrier. There is a 3” clearance between all internal reinforcements and the outside edge of the barrier on the bottom, and a 1-1/2” clearance for reinforcements on the sides of the barrier.Barrier ReinforcementsBarriers include:

1. 2 H1 (#4) bars, which measure 13’-3” long
2. 3 H2 (#4) bars, which measure 19’-1” long
3. 1 H3 (#4) bar, which has a total length of 15’-6”
4. 10 V1 (#4) bars, which are vertical in barrier bars
5. 2 V2 (#4) bars, which are vertical bars around slots with a total length of 4’-0”
6. 10 V3 (#4) bars, which are vertical in barrier bars with a total length of 2’-8”

This blog post is an interpretation of specifications by the Utah Department of Transportation. Please consult with UDot's most recent requirements for definitive information.

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Eiffel Trading’s barrier wall inventory ranges from f-shape barrier, to single slope barrier, to low profile barrier, and everything in between. Furthermore, our concrete equipment inventory includes concrete formwork, concrete buckets, overhang brackets, and more.All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for free.Ready to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.

The South Carolina Department of Transportation outlines specifications regarding the proper dimensions for free standing Jersey shape temporary concrete traffic barriers, including general notes, plan view details, elevation view details, and more.

South Carolina Temporary Concrete Barrier Jersey Shape General Notes

The South Carolina Department of Transportation’s general notes are as follows:

1. These specifications have met MASH TL-3 requirements.
2. All approved temporary concrete barriers should have the SCDOT approval stamp embedded on top of the barrier unless otherwise directed by the department. For the recessed approval stamp details, see the standard drawings.
3. Concrete should be Class AA concrete, 4000 PSI with a minimum compressive strength in 28 days.
4. Reinforcing should be welded wire reinforcement ASTM A1064 Grade 65. All reinforcements should be Grade 60 steel unless otherwise specified. All welded rebar is ASTM A706. Producers have the option to use lifting devices, chairs, spacers or miscellaneous rebar to secure the cage in for and handling as needed.
5. Steel should be ASTM A-36 (A-36M) with a plain/mill finish. Optional: galvanize J-J hooks as required.

South Carolina Temporary Concrete Barrier Jersey Shape Specifications

The South Carolina Department of Transportation’s Jersey Shape temporary concrete barrier specifications are as follows:Side ViewBarriers measure 12’-0” long and 2’-8” tall. They include two lifting slots that are each 1’-3” wide and are spaced 3’-9” from the outside of the barrier, respectively.Barriers include a 6x6 W2.9 x W2.9 WWF 1’06” Wide x 11’-8” center mesh over the length of the barrier. This mesh is placed 3” from the outside edge of the barrier (there should be a gap of 3” around the circumference of the mesh).Barriers also include four #5 x 11’-7-5/8” ASTM A706 rebar that’s welded to the J-hook connector plates. There is a J-hook connector plate (typ.) on each end of the barrier.Barriers include deflection limiters (typ.).Top ViewThe J-hook protruding from the end of the barrier measures 2-3/8” wide when viewed from the top. The hook should be positioned in such a way that the “J” it is visible from a top view. There are two deflection limiters (typ.), one on either side of the J-hook. The first limiter is spaced 10-5/8” from the J-hook, and the second limiter is spaced 11” from the J-hook. These measurements are inverted on the opposite side of the barrier. The barrier measures 2’-0” wide.End ViewBarriers measure 2’-0” wide at the bottom and 6” wide at the top. There is a 3” vertical reveal. The lower slope is 7” wide and the upper slope is 2” wide. The interior mesh begins 10” from the bottom of the barrier and stops 4” from the top of the barrier, with a minimum of 3” of clearance.Deflection LimiterDeflection limiters are PL 3” x 3” x 3/8 W/M x 1’-6”. They are A706 rebar and should be trimmed to fit as needed. There is a right-hand and a left-hand limiter.This blog post is an interpretation of specifications by the South Carolina Department of Transportation. Please consult with SCDot's most recent requirements for definitive information.

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Eiffel Trading’s online marketplace boasts a large inventory of new and used precast barrier wall. Our current inventory ranges to include jersey shape barrier, f-shape barrier, k-rail barrier, and much more. Additionally, our construction equipment inventory includes concrete formwork, pile hammers, and so much more.All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for free.Ready to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.

The Utah Department of Transportation outlines specifications regarding the proper dimensions for 32-inch F-shape concrete barriers, including general notes, plan view details, elevation view details, and more.

Utah Precast Concrete Barrier F-Shape 32 Inch General Notes

The Utah Department of Transportation’s general notes are as follows:

1. Provide scuppers when shown.
2. Measurements are to the intersection of barrier slopes.
3. Each barrier unit weighs 3.6 tons.

Utah Precast Concrete Barrier F-Shape 32 Inch Specifications

The Utah Department of Transportation’s specifications for 32-inch F-shape concrete barriers are as follows:Elevation ViewBarriers measure 15’-0” long and have a laying length of 15’-1”. They include two scuppers that are each 2’-0” long and 2” deep. Barriers include two stabilization pin slots near the bottom center of the barrier that are spaced 6” apart from each other. They also include connection pin loops (typ.).Section A-ABarriers measure 24” wide at the bottom and 9-1/2” wide at the top. They include a 3/4” chamfer on all edges. Barriers stand 32” tall. R=10”. The bottom slops is 7” tall and the top slope is 22” tall. There is a 3” vertical reveal and a keyhole centered on the bottom of the barrier.Section B-BBarriers include a stabilization pin slot on the bottom slope on both sides of the barrier. There is a 3” clearance between all internal reinforcements and the outside edge of the barrier on the bottom, and a 1-1/2” clearance for reinforcements on the sides of the barrier.Barrier ReinforcementsBarriers include:

1. 8 H1 (#4) bars, which are horizontal in barrier tied inside the V1 bars
2. 12 V1 (#4) bars, which are vertical in barrier bars with a total length of 6’-10”
3. 6 V2 (#4) bars, which are vertical bars around slots with a total length of 4’-0”

This blog post is an interpretation of specifications by the Utah Department of Transportation. Please consult with UDot's most recent requirements for definitive information.

BUY AND SELL WITH EIFFEL TRADING

Eiffel Trading’s online marketplace facilitates the buying and selling of used and surplus construction assets. Our barrier wall inventory ranges from various DOT specs, to f-shape barrier, to single slope barrier, and everything in between. Additionally, our equipment inventory includes sectional barges, concrete equipment, foundation equipment, and much more.All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for free.Ready to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.

Bridge overhang brackets are a component of concrete formwork used for the creation of bridge deck overhangs. Bridge overhang formwork systems are typically made up of a combination of plywood sheathing, timber joists, and steel or aluminum overhang brackets. Steel is the most common material used for bridge overhang brackets. Overhang brackets support all of the other components used to create the necessary formwork. Bridge overhang brackets are commonly attached to a bridge structure using coil rods and hangers. Brackets are installed on each side of a bridge deck in order to hold up formwork as well as workspace for the construction of the overhang. In addition to being used for bridge overhang formwork, some bridge overhang brackets may also be used for other formwork applications like water treatment plant trough wall construction or perimeter work platform construction.

Benefits of Bridge Overhang Brackets

Bridge overhang brackets are a handy tool for minimizing the work and effort required to create high quality concrete bridge overhangs. They are safe and sturdy. Installing them is as simple as assembling them on the ground and then setting them in place with a few maneuvers on a bridge deck. Installation of each individual bridge overhang bracket only takes a couple of minutes at most. Some overhang brackets are even designed to all be installed at once as a gang assembly. These types of overhang brackets make use of bolts that can connect the brackets instead of clips or clamps for individual installation. Bridge overhang brackets are also very versatile and can be affixed to structural steel beams, precast concrete beams, or concrete box beams.

Resale

Once concrete is poured into a bridge overhang formwork system and sets, bridge overhang brackets as well as other parts of the formwork system are usually removed. The brackets can be re-used for other projects or sold. Whether purchased new or used, most bridge overhang brackets can be disassembled to conserve space and fit neatly in shipping boxes or containers. The same goes for selling used bridge overhang brackets. Sellers can cut shipping costs (if shipping is necessary) by disassembling them or “knocking them down.” Re-assembly of bridge overhang brackets is fairly simple once they’re ready to be used again.

Types of Bridge Overhang Brackets and Cost

There are various types of bridge overhang brackets on the market. Types differ in terms of size, adjustability, and capabilities. Dayton Superior, a top bridge overhang bracket manufacturer, for instance, offers the following types of brackets in its C49 series: C49, C49D, C49S, C49W, and C49JR. Dayton Superior also offers heavy duty brackets in its C89 series, including their extra-long C89L. Each of these types of overhang brackets offers specific adjustability settings to suit specific requirements of various steel and concrete bridge designs. Bridge overhang brackets range in price from around $40 per bracket to $100 per bracket. Their price depends on their condition and their features. New brackets are a bit more expensive than used brackets. Overhang brackets retain their value quite well for contractors who decide to sell them. There is a great used market for overhang brackets, so purchasing used is an affordable option for contractors on a budget.Bridge overhang brackets are a vital component of bridge overhang formwork systems, and for all the reasons we’ve mentioned and more, they’re an excellent investment for bridge construction projects.

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In the market for bridge overhang brackets? Check out Eiffel Trading’s selection of them, as well as other types of concrete formwork. Furthermore, our marketplace inventory also ranges to include various materials, such as HDPE pipe, steel sheet pile, temporary precast barrier wall, and more.All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for free.Ready to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.

The Vermont Department of Transportation outlines general notes regarding the proper installation and components of temporary traffic barriers.Vermont Temporary Traffic Barrier Specifications

The Vermont Department of Transportation’s general notes are as follows:

1) Temporary traffic barriers should be one of the barriers included under FHWA’s Roadside Hardware Policy and Guidance for crashworthy longitudinal barriers, at the Contractor’s discretion, unless otherwise specified.2) The type of temporary traffic barrier should be provided to the Engineer prior to use.3) All temporary traffic barriers and corresponding connections should meet (unless otherwise specified in the Plans) Test Level 3 (TL-3) criteria as defined in NCHRP Report 350 or the AASHTO Manual for Assessing Safety Hardware (MASH). The appropriate resource should be determined as described in the MASH publication.4) Temporary traffic barrier components should be in a condition satisfactory to the Engineer prior to placement on the project and maintained as such until removed from the project.5) The Contractor should provide to the Engineer verification that the barrier deflection distance is appropriate for the intended use. Where appropriate, temporary traffic barriers should be adequately anchored to prevent movement if impacted.6) Temporary traffic barriers should be erected in accordance with details shown on the Plans or as directed by the Engineer. Unless otherwise specified, temporary traffic barriers should be removed when no longer needed on the project as determined by the Engineer, and should remain the property of the Contractor. The area from which the barrier was removed must be restored to a satisfactory condition where and when no other construction activities are indicated.7) Temporary traffic barriers and required appurtenances should be removed and reset as shown on the Plans or as ordered in writing by the Engineer.This blog post is an interpretation of specifications by the Virginia Department of Transportation. Please consult with VTrans' most recent requirements for definitive information.

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Eiffel Trading’s temporary precast barrier wall inventory types range from jersey barrier, to k-rail barrier, to single slope barrier, and all types in between. Furthermore, our construction equipment inventory includes sectional barges, pile driving machines, and much more.All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for free.Ready to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.

Cast-in-place barrier forms are a type of concrete formwork. Concrete formwork plays an important role in a variety of construction projects, including road, bridge, and highway construction projects, as it serves as a mold for wet concrete to be poured into in order to create a desired concrete final product of a needed shape and size. Cast-in-place barrier formwork is used to create median barriers or median parapets on the spot. The forms are transported to the necessary area for a project. Then, concrete is poured into them and sets. Once it’s done setting, the forms are removed and can be re-used for other projects. Barrier formwork is typically made of steel but may sometimes be made of aluminum or other materials.

Cast-in-Place vs. Precast

The difference between cast-in-place barrier walls and precast barrier walls is that the former uses cast-in-place barrier forms to allow concrete shapes to be constructed directly at a project site. Precast concrete barrier walls are already in the desired shape, size, and style, and they have been cast somewhere other than the project site. Additionally, precast barrier wall is typically used for temporary projects while cast-in-place is typically used for permanent applications. One of the main advantages of using cast-in-place barriers is that there’s less logistical effort required to transport heavy concrete slabs to a project location.

Styles of Cast-in-Place Barrier Forms

These forms can come in numerous styles to meet the needs of a project. They are available in all popular barrier styles including:

• New Jersey
• F-Shape
• Vertical
• Texas T5 Modified Bridge Rail (Roman Rail)
• Temporary Barrier Rail
• Hinged Barrier Rail
• Slope
• Ontario Tall Wall Median Barrier
• Barrier Wall with Head Ejection

Cast-in-place forms are also available for median barrier caps and other concrete structures that complement the use of barriers.Barrier styles used for particular projects often differ based on local regulations. Cast-in-place barrier forms can be created at the necessary shape and size to meet any and all local requirements, and they are widely available and easily obtainable in the most common styles.Wadco, Symons, Southern Forms, and Wharton are some of the popular manufacturers of barrier formwork. All of these manufacturers offer barrier forms that are of the highest quality, allowing for the production of concrete barriers that are precise in size and shape as well as durable and strong.Keep in mind that regulations at the state or national level may apply to how cast-in-place barrier forms must be used. For instance, in Massachusetts, barrier formwork should not be removed until concrete has been allowed to dry and set for at least 24 hours.

Buying and Selling Cast-in-Place Barrier Forms

Cast-in-place barrier forms can be purchased either new or used. For projects that require common styles, finding used options of the appropriate barrier formwork is quite easy and can save contractors some money. For projects that necessitate uncommon shapes, sizes, or styles of cast-in-place barrier forms, buying new may be the best decision. Used cast-in-place barrier forms cost, on average, between $100 and $150 per linear foot of formwork. New barrier formwork tends to cost a bit more. Once a project is finished and formwork is no longer needed, it can definitely be a good financial decision to try to sell barrier forms if they cannot be re-used for another project.

BUY AND SELL WITH EIFFEL TRADING

Eiffel Trading’s online marketplace allows heavy civil contractors to buy and sell new and used equipment and material! Our concrete equipment inventory ranges from concrete formwork, to concrete buckets, to bridge deck finishers, and everything in between. Furthermore, our material inventory includes barrier wall, HDPE pipe, and much more.All of our listings are constantly being updated, but if you don’t see what you’re looking for, create a wanted listing for free.Ready to sell your used heavy equipment or construction material? List your products today for free on Eiffel Trading’s online marketplace.If you have any questions or would like additional information, please call us at 1-800-541-7998 or email sales@eiffeltrading.com.