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Concrete Casting News from the Hill and Griffith Company

Video Tour of Kyushu, Japan Precast Concrete Manufacturing Plant

Posted by Hill and Griffith Company on Sep 28, 2018 1:16:41 PM

"This plant was really quite remarkable because everything they did was at the highest level of quality. They were incredibly efficient at the way they did everything," Paul Akers.

"But the thing that got our attention, was the quality of the concrete work. Now, a lot of the components they were making were huge pilasters, columns, and floor systems, but yet they were concerned about the most minute details. They had people filling small, little, tiny cracks, or a small void, and then they would go over it and sand it. They are very attentive to details.

 Highest quality precast concrete plant -2

Hi everyone. Paul Akers here, and welcome back to the American Innovator. In 2016, I took the BI Group from Kazakhstan to a precast concrete factory down in Kyushu, Japan. Now, accompanying us on this trip was Mr. Amezawa, the former president of Georgetown, Kentucky in the United States, and vice president of Lexus in Kyushu, Japan. Now, this plant was really quite remarkable because everything they did was at the highest level of quality.

Highest quality precast concrete plant -1

Their kaizen activity was really remarkable as well. They were constantly making improvements. They were incredibly efficient at the way they did everything. But the thing that got our attention, was the quality of the concrete work. Now, a lot of the components they were making were huge pilasters, columns, and floor systems, but yet they were concerned about the most minute details. They had people filling small, little, tiny cracks, or a small void, and then they would go over it and sand it. They are very attentive to details.

Highest quality precast concrete plant -3

Now the question is, why? Why are the Japanese so obsessed with making sure everything is right and there are no discrepancies? Because when I asked the president of the company, "What is this all about? Why do you like such great quality?" He said, "Because when we produce great quality, the customer trusts us." And I realized one of the most important lessons I've ever learned in this precast concrete factory. Quality equals trust.

Highest quality precast concrete plant -4

When the customer knows that you're always gonna pay attention to the small things, and you're gonna produce the highest quality product, they trust you. When they trust you, you have a long-term relationship with them. The Japanese are not concerned about a year down the road, or two years down the road, or their current contract, they're thinking 10, 20, 30, 40, 50 years. They have a very long-term view of everything they do, and the way they support that is through the pursuit of quality.

Highest quality precast concrete plant -5

Quality makes the customer trust you. When the customer trusts you, they're gonna wanna do business with you long term. So everywhere you walk around, you saw people doing things that, for most companies, they would never even bother. Look at, they're worried about the transition between the rebar and the concrete, when this is all gonna be buried in concrete. Nobody's ever gonna see it, but everything must be done to a certain level. Now this also comes to the next question, and that is, with the Japanese, there's something called Monozukuri.

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And Monozukuri basically translates for us, into craftsmanship. They believe work should be meaningful, and work is really important. They have this elevated view of work. They think work is really important, Monozukuri. They believe that it requires your attention, your sobriety, your attention to detail. And if you do this, you're going to produce a quality product, number one, and number two, you'll win the trust of the customer.

Highest quality precast concrete plant -7

So everywhere we went, we looked at their workmanship, and we said, "Oh my gosh, this is crazy. Look at the perfection that they're going to," and transitions were correct, laminations were correct, rebar was tied dead straight. I mean you look down, a laser had shot it in. All the relief work, when the molds came out, all the transitions were right on the money. When you went to their workstations, they were properly set up so the worker could work efficiently. Notice where the rebar is at the top, with gravity moving down towards him, so he sets the bent rebar down, then he walks over, picks up the next pieces he's gonna do. They're in the correct position, eliminating motion, transportation, very efficient. They're very aware, and they have a deep respect for resources and people. Great little innovation with this concrete clip that just clips on very quickly, very easily, which supports the rebar up off the floor, and the worker can very easily put this on. It's just really innovative, and we just kept looking around.

Highest quality precast concrete plant -8

Everywhere we looked, we saw this intense quality, and this pride in workmanship, Monozukuri. It is just an awesome concept, and in their plants, you have to realize, these are 40-year-old plants, and they look new. They keep everything at a high level. They keep the rope tight. They're very concerned about maintenance, and about flow, and about evenness. If you have a workshop or a work environment that's deteriorating, then you can't create flow, and you're certainly not going to produce Monozukuri, a high level of craftsmanship. And everywhere you went, you just sat there with your mouth open going "Wow. These people are serious about quality." And it was everywhere, to the point where they were sanding the slabs. I was just like "No, this is impossible. Wow, how could they do this?" Even the little bit of flashing that came off from the pour when it's relieved from the mold, was so minuscule, it was paper thin. That's the preciseness that they maintain in their mold.

Highest quality precast concrete plant -9

Next is one of my favorite parts, when they actually have to build an order. They have a water spire, that's a person who goes around and pulls all the necessary supplies just for that specific order, one piece flow. Gets everything put together in a kit, and then rolls that kit over to the area where they stage the tying of the rebar, and the preparation for the pour. Now, this is beautiful because it's really the Toyota production system. This is exactly what you see at Toyota, and here you're seeing it at this concrete plant. Now watch how effortlessly this woman does it. She grabs the empty bins, which she's gonna fill next. She rolls the cart into position, hits a foot pedal with her foot, right? Which then allows the carts that are very heavy and difficult to maneuver to roll off of her cart, onto the staging area so the next person in line can do it.

Highest quality precast concrete plant -10

Next, we had a great breakout session from the president, and we gave him a Kazakh hat, which he loved, and we just learned so much. We're so grateful for everything we've learned from the Japanese. We've just been in an amazing experience. And as one of the girls said to me, there are three things you never get tired of seeing. Number one, water, fire, and the Toyota production system. When you see it in action, whether it be in a precast concrete plant, or at Toyota, it is nothing short of magic."

About the author

Paul Akers is an entrepreneur, business owner, author, speaker, & Lean maniac. He has written several books on Lean and he travels the world to educate & speak about Lean principles, Lean manufacturing and Lean Health. Paul has a weekly podcast called The American Innovator where he shares about Lean & his travel adventures. For more information on Paul Akers and Lean, visit his website. http://paulakers.net/

He is the founder and president of FastCap, based in Ferndale, WA. FastCap is an international product development company founded in 1997 with over 2000 distributors worldwide. At its core, FastCap is a Lean company, determined to continuously improve everything, everyday. FastCap's products reflect the idea that everything can be improved and the best ideas come from the shop floor. For more information on FastCap, visit FastCap's website. http://www.fastcap.com/ or Blog http://blog.fastcap.com/

For Spanish videos, visit our FastCap Spanish YouTube Channel. https://www.youtube.com/channel/UCipv...

To sign up to receive news regarding FastCap, 2 Second Lean, and/or The American Innovator podcast, go to this link: http://bit.ly/FastCap-Subscribe


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Hill and Griffith Customer Service

We're known for our hands-on approach. Let us visit your plant and recommend concrete release agents, packerhead concrete form releases, concrete form seasoning, potable water and non-petroleum concrete form release, biodegradable releases, rust inhibitors and concrete dissolver products that suit your needs.

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We are pleased to provide samples in quantities large enough to allow you to "try before you buy."
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Technical Services & Support

On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
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Bulletins and Technical Papers for Concrete Casting Products 

Tags: Concrete Form Release Agent, Concrete Form Release, Concrete Casting Supplies, Japanese Precast Plant, Precast Concrete Plant Videos

Poundfield Precast Concrete Products Video Review

Posted by Hill and Griffith Company on Sep 21, 2018 9:18:09 PM

Poundfield Products Limited is a precast concrete manufacturer situated in the heart of Suffolk, England.

Founded in 1999 by Mark Jardine, whose experience is working firstly on the family farm, and later in a compost and recycling business led to the design of the industry leading Alphabloc, an innovative precast concrete retaining walling system that was quite simply quicker, and easier to install than any competing products.

Precast-Concrete-Production-Factory-Aerial


Soon after, a complimentary range of prestressed panels was introduced, primarily for the agricultural market. Used in combination with the Alphabloc, it provides a wide offer for grain storage and division. As the applications of the concrete products increased, as did the market for which the products appealed. Seeing growth in waste management, construction, ports and shipping.

Precast-Concrete-Production-Factory-Grain-Divider

Today our product innovations, and wide breath of experience in providing pre-cast solutions benefits the demands across a variety of industries. As well as the Alphabloc, our product range includes the L-Bloc, prestressed panels, Shuttabloc, Taperbloc XL, Betaloc XL, Block and Beam Flooring, culverts and many other Bespoke Concrete cast products. All our products have the option of specialist finishes, from a simple, exposed aggregate right through to complex impressions designed to naturally blend in with its surroundings.

Precast-Concrete-Production-Factory-Production-Capacity

Inline, heated production area, makes production possible throughout the year, whatever the weather, producing up to 200 cubic meters per day. We offer bespoke molds ranging from simple one off cost in timber, using the most up to date plywood produced by our own highly experienced team of carpenters.

Precast-Concrete-Production-Factory-Release-Agent-Application

Through to fully engineered steel molds, that are capable of producing an unlimited number of repeat casts. We work closely with industry experts in supplying admixtures in mix designs. This allows us to produce concrete, that is tested by means of slump or flow testing to exacting standards.

Precast-Concrete-Production-Factory-Yard

This process also allows us to produce a consistent mix, which in turn produces a matching standard of color in our units. Poundfield Manufacturing site is strategically located in Suffolk, with easy links to major trunk roads. But our products are also produced under license throughout the world, ensuring that we can get your product to you when you wanted it.

Poundfield Concrete Products, retaining walls specialists leading the way in product innovation.


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Hill and Griffith Customer Service

We're known for our hands-on approach. Let us visit your plant and recommend concrete release agents, packerhead concrete form releases, concrete form seasoning, potable water and non-petroleum concrete form release, biodegradable releases, rust inhibitors and concrete dissolver products that suit your needs.

Hill and Griffith Samples

Product Samples

We are pleased to provide samples in quantities large enough to allow you to "try before you buy."
Contact Us »

 

Hill and Griffith Customer Service

Technical Services & Support

On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
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Bulletins and Technical Papers for Concrete Casting Products 

Tags: Concrete Form Release Agent, Concrete Form Release, Concrete Casting Supplies, Form Release, Concrete Form Release Application

Article review: "U.S. Skills Gap is Hurting Manufacturing"

Posted by Carlos Gonzalez on Sep 13, 2018 12:51:47 PM

With a growing concern around the nations skills gap, companies look for a root cause. Guest post by Carlos Gonzalez with New Equipment Digest Magazine.

In 2017, the Committee for Economic Development (CED) embarked upon a “listening tour” of business leaders and parents to discuss firsthand information about workplace demands and aspirations for high school graduates. The listening tour made stops in five communities over the course of a year: Oakland, Calif.; Westfield, Mass.; Tupelo, Miss.; Marysville, Ohio; and Norfolk, Va.

Manufacturing is one of the main industries represented in the communities selected for the study and is a field that employs high school graduates without a higher-education degree. CED brought business leaders and parents together to figure out how they could make students ready to enter in-demand fields such as manufacturing, directly out of high school.

Cindy Cisneros, vice president of education programs at CED, explains the methodology of the study and how both parents and business leaders can contribute to career readiness for high school students.

U.S.-Skills-Gap-Hurting-Manufacturing-4

A builder on site discusses work with an apprentice. By 2020, 65% of all jobs in the economy are projected to require postsecondary education and training beyond high school.

How did CED choose the communities for the listening tour?

The five cities were chosen on the basis of achieving a diversity of geography, community demographics, and industry in which to conduct the focus group discussions. CED also drew from its broad network of member partners across the country to help identify sites. Invitations were extended to 10 business leaders who are representative of the regional economy, as well as 10 parents with children of varied age ranges from middle and high school. 

U.S.-Skills-Gap-Hurting-Manufacturing-2

An engineer teaches his student how to use a TIG welding machine. The skills gap can cost employers up to $23,000 a year per unfilled position.

Why does career readiness matter?

Career readiness has a long and somewhat complicated history in the United States. Following generations of pendulum swings from vocational tracking to college-for-all, recent years have seen an attempt to shift toward a more nuanced approach of preparing students for both college and a career.

Why this shift toward a middle ground? Despite some indications that our education system is improving following decades of standards-based reform, data show that too many young people in America are floundering. In the K-12 system, high school graduation rates are on the rise overall, yet attainment gaps persist: 88% of White students graduate within four years. However, their Black peers graduate at a rate of just 75%, and their Hispanic peers at a rate of 78%.

U.S.-Skills-Gap-Hurting-Manufacturing-3

A construction trainee learns technical skills on the job with her tutor. One report examining middle market companies found that 44% of executives report lacking candidates with the right skills.

Why do these figures matter?

By 2020, 65% of all jobs in the economy are projected to require postsecondary education and training beyond high school (35% at least a Bachelor’s degree, 30% some college or an Associate’s degree). Yet, if the attainment rates mentioned above hold steady, the supply of qualified candidates will fall short. Reports from employers already point to a skills gap, meaning a mismatch between the knowledge and skills of prospective employees and the competencies needed for available jobs.

U.S.-Skills-Gap-Hurting-Manufacturing-1

Two students work together on an engine in mechanical school. A national study found that 77% of employers believe that soft skills are just as important as technical, or hard, skills.

How can parents and business leaders help students develop these soft skills before they enter the workforce?

Both groups brainstormed a number of strategies to help students refine their soft skills while simultaneously strengthening their technical skills. All five communities supported the notion of work-based learning as a key to success. Discussions focused on providing students with opportunities to experience the full continuum, beginning as early as elementary school: awareness, exploration, preparation, and training. For example, the Marysville, Ohio community agreed that they could help school adapt goals to provide exposure to a future work life by allowing businesses to host career fairs and provide internships to high school students.

Implementing these ideas must begin with coordination and communication between parents and the business community, as well as collaboration with schools, in order to give students what they need to find and keep good jobs once they cross the graduation stage and enter the workforce.

(Click here to read the entire article.)

About CED

The Committee for Economic Development of The Conference Board (CED) is a nonprofit, nonpartisan, business-led public policy organization that delivers well-researched analysis and reasoned solutions to our nation’s most critical issues.

Since its inception in 1942, CED has addressed national priorities to promote sustained economic growth and development to benefit all Americans. CED’s work in those first few years led to great policy accomplishments, including the Marshall Plan, the economic development program that helped rebuild Europe and maintain the peace; and the Bretton Woods Agreement that established the new global financial system, and both the World Bank and International Monetary Fund.


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 Hill and Griffith Customer Service

We're known for our hands on approach. Let us visit your plant and recommend concrete release agents, packerhead concrete form releases, concrete form seasoning, potable water concrete form release, non-petroleum concrete form release, biodegradable concrete form release, rust inhibitors, NSF potable water concrete release agents and concrete dissolver products that suit your needs.

Hill and Griffith Samples

Product Samples

We are pleased to provide samples in quantities large enough to allow you to "try before you buy."
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Technical Services & Support

On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
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Bulletins and Technical Papers for Concrete Casting Products

 

Tags: Concrete Forms, Concrete Form Release Agents, Concrete Release Agents, Concrete Casting Supplies, U.S. Skills Gap, Concrete Form Release

Review of AWWA Standard for Concrete Potable Water Prestressed Concrete Pressure Pipe & Concrete Steel Pressure Pipe

Posted by Hill and Griffith Company on Sep 6, 2018 11:04:40 PM

"The forms shall be cleaned thoroughly and coated with a form-release agent before each use."

Concrete Pressure Pipr 101

(Image from PUBLIC WORKS Magazine.)

I. Introduction

I.A. Background

There are two types of prestressed concrete steel-cylinder pipe:

(1) the lined-cylinder type, with a core composed of a steel cylinder lined with concrete and subsequently wire-wrapped directly on the steel cylinder and coated with mortar; and

(2) the embedded-cylinder type, with a core composed of a steel cylinder encased in concrete and subsequently wire-wrapped on the exterior concrete surface and coated with cement mortar.

The lined-cylinder type, which was first used in the United States in 1942, is furnished in sizes from 16 in. (410 mm) to 60 in. (1,520 mm). The embedded-cylinder type, which was developed later and first installed in 1953, is most commonly manufactured in sizes 48 in. (1,220 mm) and larger. Both types are designed for the specific combination of internal pressure and external load required for the project in accordance with the procedures outlined in ANSI/AWWA C304, Standard for Design of Prestressed Concrete Cylinder Pipe. Prestressed concrete steel-cylinder pipe is used for transmission mains, distribution feeder mains, pressure siphons (including river crossings), penstocks, industrial pressure lines, water intake lines, and other applications. In the manufacture of lined-cylinder pipe, the first step is to fabricate and hydrostatically test the steel cylinder with joint rings attached. The cylinder is then lined with concrete to form the core. The concrete is placed either centrifugally, by vertical casting, or by a radial compaction method. The concrete lining is cured and high-tensile wire is wrapped around the core directly on the steel cylinder. For a selected wire size, the tension and spacing of the wire are controlled to produce a predetermined residual compression in the core to meet design requirements. The wrapped core is then covered with a dense premixed mortar coating applied by a mechanical impact method. In the manufacture of embedded-cylinder pipe, the cylinder and joint rings are constructed and tested in the same manner as lined-cylinder pipe. The cylinder is encased in concrete by vertical casting and mechanical vibration to constitute the core. After curing, the wire reinforcement is wound under tension in one or more layers around the outside of the concrete core containing the cylinder, instead of directly on the cylinder. The exterior coating of premixed mortar is placed by impaction. 

Concrete Pressure Pipe Basics

(Image from PUBLIC WORKS Magazine.)

4.6.5 Concrete for pipe core.

4.6.5.1 General. The concrete in the cores may be placed by the centrifugal method, by the vertical casting method, or by other approved methods.

4.6.5.10 Placing concrete by vertical casting method. The concrete lining or core shall be cast on-end on a cast-iron or steel base ring with rigid steel collapsible forms for the concrete surfaces. The forms shall be designed to ensure that they will have smooth contact surfaces, tight joints, and that they will be firmly and accurately held in proper position without distortion during the placing of the concrete. The forms shall be designed to allow the pipe core to be removed without damaging the surfaces of the concrete. The forms shall be cleaned thoroughly and coated with a form-release agent before each use.

(Remember that any concrete form release used for potable water needs to be NSF approved, like Grifcote LV-50 Plus.)

The transporting and placing of concrete shall be carried out by methods that will not cause the separation of concrete materials or the displacement of the steel cylinder or forms from their proper positions. Adequate methods of mechanical vibration shall be used to compact the concrete in the forms and to ensure satisfactory surfaces. 


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Hill and Griffith Customer Service

We're known for our hands on approach. Let us visit your plant and recommend concrete release agents, packerhead concrete form releases, concrete form seasoning, potable water concrete form release, non-petroleum concrete form release, biodegradable concrete form release, rust inhibitors, NSF potable water concrete release agents and concrete dissolver products that suit your needs.

Hill and Griffith Samples

Product Samples

We are pleased to provide samples in quantities large enough to allow you to "try before you buy."
Contact Us »

 

Hill and Griffith Customer Service

Technical Services & Support

On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
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Bulletins and Technical Papers for Concrete Casting Products

 

Tags: Concrete Forms, Concrete Form Release Agents, Concrete Release Agents, Concrete Casting Supplies, NSF Potable Water Concrete Release Agents, Prestressed Concrete Pressure Pipe, Concrete Steel Pressure Pipe, Grifcote LV-50 Plus, Concrete Form Release

Prestressed Concrete Cylinder Water Pipe Comparison to Bar Wrapped Water Pipe with Steve Smith

Posted by Hill and Griffith Company on Aug 30, 2018 11:59:55 PM

This video was produced to show how to select a large diameter water transmission main product, by Steve Smith (Pipe Industry Icon)  

Prestressed Concrete Cylinder Pipe Comparison to Bar Wrapped Pipe 1

Hello, my name is Steve Smith and I'm with Forterra Pressure Pipe. What I want to talk to you about today is two pipe products. Prestressed concrete cylinder pipe, which is we're looking at right here. Prestressed concrete cylinder pipe, what you see here is you can see the prestressing wire. This is six gauge wire, class three. It's got a tensile range of 252,000 to 282,000. You'll notice that the spacing between the wires, that term today is called the pitch, the pitch of the wire, means the space in between rod wrap to rod wrap. For instance, this looks like it could be a one inch pitch. You'll notice the mortar coating. The mortar coating is one inch over top of the cylinder. Okay. What we're gonna transition to now, I want to show you the difference between the prestressed pipe and what known as the bar wrap pipe.

 

 

This is bar wrap pipe. To the naked eye, one might say they look exactly the same. But you're gonna notice this is rod. It's not prestressing wire, it's rod. Wrapped at about 500 psi, and which it's got a heavy steel cylinder, which differs from the prestressed concrete cylinder pipe, which only has a 16 gauge cylinder.

Bar wrap pipe is rated typically zero all the way up to 250 psi.

The key difference is bar wrap pipe is a semi-rigid design. Semi-flexible if you will, versus prestress, which is a rigid design. So bar wrap pipe does rely on soil side support, much more important than say prestress. What this demonstrates here is the ability to be able to chip out the mortar coating.

Take the rod wraps and basically cut them and bend them out of your way, and this shows the application where we can actually weld a flange in the field.

Prestressed Concrete Cylinder Pipe Comparison to Bar Wrapped Pipe 3

What makes bar wrap unique, unlike prestress, is prestress, because of the wire wraps, you basically can't cut this pipe and make any modifications, because the wire is under tension. Where versus this pipe, because the rod is not under tension, this is a steel pipe design, it gives you the ability to cut section, this type of bar wrap pipe. If we go to the other side, I'll show you some other examples.

Prestressed Concrete Cylinder Pipe Comparison to Bar Wrapped Pipe 2

What you're looking at here is bar wrap pipe. Notice the rod. What this demonstrates is the ability to take say a 20 foot section of bar wrap pipe, you can literally cut the pipe in half. What you see here, we take the rod wraps and just peel a couple rods back, and what this shows the ability to weld a flange in the field, with the butt strap. That's something, quite frankly, that you could not do with the prestress concrete sonar pipe.

So when it comes to adaptability and repair ability in the field, bar wrap has become a favorite choice here in these. This just demonstrates a harness clamp joint. This is a harness style joint that's been around for many, many years. This is one form of restraint joint.

If we go back over here to the left, obviously this demonstrates our snap ring joint. This is snap ring joint. It's a joint, it was a Price Brothers design joint back in the early '70s, 1973. And it's joint ring we still use today.

We jump to the other side, you can see this is the insert. It basically allows the contractor to push the spigot into the bell. You simply tighten down, loosen a nut and tighten down this bolt. And the term we use, now the snap ring is engaged, means it's locked down. That you can see in this cut out section, because it's smaller diameter, how it locks in the spigot ring and keep it from backing out under thrust conditions.

(Thanks to Steve for the great video. Another thing to remember is that any concrete form release used for potable water needs to be NSF approved, like Grifcote LV-50 Plus.)


Precast Concrete In The Google and NPCA News:

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Annual NPCA Convention - Oct. 4 – Oct. 6, 2018 – Providence, R.I.


 

Hill and Griffith Customer Service

We're known for our hands on approach. Let us visit your plant and recommend concrete release agents, packerhead concrete form releases, concrete form seasoning, potable water concrete form release, non-petroleum concrete form release, biodegradable concrete form release, rust inhibitors, NSF potable water concrete release agents and concrete dissolver products that suit your needs.

Hill and Griffith Samples

Product Samples

We are pleased to provide samples in quantities large enough to allow you to "try before you buy."
Contact Us »

 

Hill and Griffith Customer Service

Technical Services & Support

On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
Contact Us »

 

Bulletins and Technical Papers for Concrete Casting Products

 

Tags: Concrete Forms, Concrete Form Release Agents, Concrete Release Agents, Concrete Casting Supplies, NSF Potable Water Concrete Release Agents, Prestressed concrete water pipe, Bar wrapped concrete water pipr, Concrete Form Release

2017 NSF/ANSI Water Treatment and Component Standards

Posted by Hill and Griffith Company on Aug 26, 2018 11:02:29 AM

A new informative Annex H: Water quality criteria considerations for piping materials in contact with drinking water has been added.

Water is, of course, the liquid molecule that we need to sustain life. Any kind of contaminant in water can be detrimental not only to granting this basic need, but it can wickedly and unnecessarily introduce new health problems and even deter individuals from consuming it. Therefore, it is crucial that public water supplies remain clean while supporting a system by which most people in modern society live. (From the American National Standards institute site.)

Drinking Water System Components



NSF/ANSI 61-2017: Drinking Water System Components – Health Effects

This American National Standard sets health effects criteria for water system components, specifically the materials or products that come into contact with drinking water, drinking water treatment chemical, or both and can potentially impart chemical contaminants and impurities. System components covered include protective barrier materials (cements, paints, coatings), joining and sealing materials (gaskets, adhesives, lubricants), mechanical devices (water meters, valves), pipes, plumbing devices, and process media. Most governmental agencies in North America require compliance with NSF/ANSI 61 for water treatment and distribution products.

NSF/ANSI 61-2017 contains the following revisions: exposure and normalization criteria specific to concrete aggregate have been added, a new informative Annex H: Water quality criteria considerations for piping materials in contact with drinking water has been added, language regarding tank covers has been incorporated, allowable volumes of test assemblies have been updated, updated terminology on control samples has been included, lead content requirements have been updated, and updates have been made to several pass/fail values in Annex D on Drinking Water Criteria.


(Warning from  to manufacturers that don't comply with the standard when required. Their blog page.)

The SCAM

ENGINEERS, CONTRACTORS and OWNERS, BEWARE! There are manufacturers out there who continue to try to game the system, but their irresponsibility can easily become YOUR LOSS! Here is an excerpt from the EPA in a summary statement made about the SDWA Section 1417.

Since 1986, the Safe Drinking Water Act (“SDWA” or “the Act”) has prohibited the use of certain items that are not lead free and since 1996 the Act has made it unlawful for anyone to introduce into commerce items that are not lead free.

ANY MANUFACTURER WHO IS MISLEADING THEIR CUSTOMERS INTO BELIEVING THAT THEIR SYSTEM IS CERTIFIED TO THE STANDARD IS VIOLATING FEDERAL LAW AS OF JANUARY 4, 2014! There is no nice way to say this! Unfortunately, this irresponsible behavior has become commonplace within the industry as there have been many manufacturers who have put off certification believing the enforcement would be low.

I spoke with our third party lab regarding the testing of components and systems and this is what they said:

Manufacturers can request the testing and certification of either a component or system. If a client chooses to only certify a component, then only the component can be labeled and advertised as certified.

To clarify, standard NSF/ANSI 61 addresses several different types of potential contaminants, but not specifically lead content. Low lead requirements are defined separately in three different requirements:

• Federal lead law: “Reduction of Lead in Drinking Water Act” – Effective January 4, 2014
• California lead law: “The California health & Safety Code 116875”
• NSF/ANSI 372: Standard, not a law, providing test methods.
It is important to note that having compliance to NSF/ANSI 372 does not substitute certification to either the Federal or CA State lead laws.

If a manufacturer has a SYSTEM certification, this will be obvious to the user if they look at the certification document provided by the test laboratory. The QuantumFlo Certification is, without question, perfectly clear.


72-inch diameter Bar-Wrapped Concrete Cylinder Pipe.

Ameron supplied this 72-inch diameter Bar-Wrapped Concrete Cylinder Pipe. Bar-Wrapped Concrete Cylinder Pipe (CCP) consists of a steel cylinder lined with concrete or cement mortar, then helically wrapped with a mild steel bar and coated with dense cement mortar. CCP is designed and manufactured in accordance with the American Water Works Association (AWWA) Standard C303 and AWWA Manual M9, and is normally supplied in standard diameters of 18 to 72 inches for operating pressures up to 400 psi. Pipe has been manufactured in larger sizes and for higher pressures based on the concepts of this standard.


Precast Concrete In The Google and NPCA News:

Louisiana DOT testing precast concrete ramp

New Precast Concrete Educational Courses Highlight Innovative Technologies

Precast concrete barn has all the bells and whistles for 280 Alberta dairy cattle


 

Hill and Griffith Customer Service

We're known for our hands on approach. Let us visit your plant and recommend concrete release agents, packerhead concrete form releases, concrete form seasoning, potable water concrete form release, non-petroleum concrete form release, biodegradable concrete form release, rust inhibitors, NSF potable water concrete release agents and concrete dissolver products that suit your needs.

Hill and Griffith Samples

Product Samples

We are pleased to provide samples in quantities large enough to allow you to "try before you buy."
Contact Us »

 

Hill and Griffith Customer Service

Technical Services & Support

On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
Contact Us »

 

Bulletins and Technical Papers for Concrete Casting Products

 

Tags: Concrete Forms, Concrete Form Release Agents, Concrete Release Agents, Concrete Casting Supplies, NSF Potable Water Concrete Release Agents, Concrete Form Release

Protect Your Precast Forms with Reactive Release Agents and Rust Preventatives

Posted by Hill and Griffith Company on Aug 18, 2018 8:17:40 PM

Taking care of your precast concrete forms extends their life and protects a valuable investment.

Precast-Concrete-Careers-6

It starts with day-to-day mainentance. Steel form problems can happen with poor cleaning or excessive use of wire brushes or sandblasting. They can also be damaged by vibrators.

The selection of a good concrete release agent is another important aspect of form care. There are two main types of concrete releases.



Diesel fuel, greases, used motor oil, etc. barrier type products provide a barrier between the form and the concree allowing it to strip. These provided a good release, but cause surface voids, staining, and over all poor finished appearance. They are harder to apply due to their higher viscosity.

precast-concrete-form-maintenance-1

Reactive type are chemically active and contain compounds that react with the free lime in the concrete to produce a soap-like film between the form and the concrete. This type of release agent is the most widely used. They are only require a thin film to produce a stain-free, void-free concrete surfaces. Reactive type release allow the form to strip cleaner.

Proper application of release agents is necessary for economy and for producing the best product possible and for minimizing form clean up.

Another aspect of concrete form care is protection in storage when they are out of service between jobs. The forms need to be protected from rust and corrosion. Some use grease, diesel fuel, or release agent but a rust preventative is a beter choice. For your rust preentative know the quality of protection, length of protection, ease of application, and ease to remove.

Formwork is a big investment for producers. Proper care insures product quality and extends their life. It will make your concrete business more profitable.


Precast Concrete In The Google and NPCA News:

Precast concrete could mean better local roads in the future

Precast concrete barn has all the bells and whistles for 280 Alberta dairy cattle

Senior Living Community Selects Precast Concrete for New Construction


 

Hill and Griffith Customer Service

We're known for our hands on approach. Let us visit your plant and recommend concrete release agents, packerhead concrete form releases, concrete form seasoning, potable water concrete form release, non-petroleum concrete form release, biodegradable concrete form release, rust inhibitors and concrete dissolver products that suit your needs.

Hill and Griffith Samples

Product Samples

We are pleased to provide samples in quantities large enough to allow you to "try before you buy."
Contact Us »

 

Hill and Griffith Customer Service

Technical Services & Support

On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
Contact Us »

 

Bulletins and Technical Papers for Concrete Casting Products

 

Tags: Concrete Forms, Concrete Form Release Agents, Concrete Release Agents, Concrete Form Seasoning, Concrete Casting Supplies, Rust Inhibitors, Concrete Form Release

Proper Use of Concrete Form Release Can Save Your Forms

Posted by Hill and Griffith Company on May 10, 2018 2:37:49 PM

Concrete formwork is a major investment for a precast or prestress plant. Taking care of the forms extends form life and protects a valuable investment and contributes to a healthy bottom line.

Concrete-Form-Release-Agent-Application-1.jpg

Care of concrete forms needs to be considered every time they are used. Steel form damage can occur with lack of cleaning or with too much use of wire brushes and sandblasting. Vibrators can damage form surfaces.

Proper selection and application of release agents is necessary for lower cost, producing the best product possible and for minimizing form clean up.

Grifcote-Concrete-Form-Release-Agent-Sizes.jpg

There are two types of release agents but they can also be combined for some applications.

The first is the barrier type. They provide a barrier between the concrete and the form. Originally form oils were barrier types of diesel fuel, greases, used motor oil, etc. These produced a good release but lowered product quality by causing bug holes, and staining, resulting in poor product appearance. They hard to apply due to their high viscosity.

The second type of release agent is chemically active and react with lime in the concrete to produce a soap-like film on the form. This type of release agent is the most widely used. Because they are easily applied in a very stable thin film by spraying, wiping, or brushing, you can produce stain-free, void-free concrete surfaces even after the form has been exposed for a day or two. Reactive type release agents applied in a thin film allow the form to strip cleaner which saves on labor costs related to form cleaning and extends the life of the form.

Concrete-Form-Rust-Preventative.jpg

In September of 1999 release agent manufactures and concrete producers were required by the EPA to make and use limited VOC products. Some companies, including Hill and Griffith, saw this coming years in advance and were already producing VOC compliant products. Some states, such as California have stricter rules than that passed nationally.

There are four main application methods-spraying, wiping, mopping or brushing and dipping. Spraying is the most common method of application. Avoid over application to reduce your cost. An extremely thin film of release agent is all that is needed, "The thinner the better." Pump unit sprayers or centralized systems with air pressure regulators give a good consistent pressure and work well. Spray pressures of 35 to 50 psi are best. Higher pressures put more airborne particles in the air throughout the plant and can be harmful to personnel in the plant. Lower pressures cause puddling in the form, and wasted release agent. A flat fan spray nozzle of .1 or .2 gpm will spray a good thin release agent. Many of these thin, chemically active release agents are more expensive per gallon. But with coverage rates at 2000-2500 sq. ft. per gallon the cost is much less than a cheaper barrier release agent. A second type of application is wiping on the release agent. Architectural precasters like wiping the release agent on the form because over application is eliminated. Burial vault manufactures use a sponge for application because they clean the form each time as well. A third type of application is with mop or brush with which over application can be a problem. The mop or brush must be wrung out in order to achieve the desired results. Wipe up puddles. Dipping systems are fast, labor efficient, and assure total coverage of the form. And they collect the excess release agent that drains off the form.

The investment in forms needs to be protected from rust and corrosion, use grease, diesel fuel, or release agent. A better choice is a good rust preventative that offers quality protection, long life, ease of application, and easy removal.

Taking care of forms each time they are used can save thousands of dollars and make a concrete business more profitable.


Hill and Griffith Customer Service

We're known for our hands on approach. Let us visit your plant and recommend concrete release agents, packerhead concrete form releases, concrete form seasoning, potable water concrete form release, non-petroleum concrete form release, biodegradable concrete form release, rust inhibitors and concrete dissolver products that suit your needs.

Hill and Griffith Samples

Product Samples

We are pleased to provide samples in quantities large enough to allow you to "try before you buy."
Contact Us »

 

Hill and Griffith Customer Service

Technical Services & Support

On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
Contact Us »

 

 Bulletins and Technical Papers for Concrete Casting Products

Tags: Concrete, Casting Solutions, Concrete Casting Products, Gricote, Concrete Casting Supplies, Precast Concrete, Concrete Form Release

New Benefits for NPCA Certified Plants Coming Soon. What is Biodegradable Form Release?

Posted by Hill and Griffith Company on Apr 27, 2018 1:07:10 PM

The Producer Portal

The National Precast Concrete Association Quality Assurance Committee announced improvements to the NPCA Plant Certification program that will make it easier than ever to organize and save your production documents. Available for certified plants, this free member service is located in the plant documents section of the Producer Portal.

The new section matches the table of contents of the NPCA Quality Control Manual for Precast Concrete Plants, making it easy to organize and store the current and historical quality-related documents that are required by the plant certification program. The portal is secure and confidential. The only people who can see the documents are designated plant employees, NPCA program administrators and the plant certification auditor. This enhancement enables plants to upload and organize documents specific to each chapter, section and subsection of the manual.

Log in to the Producer Portal at precast.org/certification and choose Plant Documents from the menu on the left side of the screen to explore the options. To access historical data, simply choose Archived Documents from the drop-down list at the top of the page. To navigate between sections, use the “jump to” feature.

For more information or help logging in, contact Andi Pierce.

NPCA Offers New Water and Wastewater Tank Product Certification

If you manufacture precast concrete tanks, NPCA’s new ANSI-accredited product listing will take the certification of your tanks to a new level. ANSI has granted NPCA a program scope extension of the Plant Certification program to offer the product-specific listing exclusively for water and wastewater tanks.

By obtaining a product listing for your tank models, you give specifiers the assurance that your products are designed and manufactured to applicable industry standards and ensure you are able to supply products in areas where a listing is required. While plants interested in participating must be NPCA certified, there is no additional cost to be listed. This optional program goes beyond plant processes with additional criteria such as a watertightness test of a randomly selected tank. In addition, tanks models listed will appear on the NPCA website during member searches so specifiers can see which models are listed by your plant.

Plants opting for product certification must submit a complete package of information based on the most current applicable ASTM and industry standards. The detailed submittal covers criteria such as materials and manufacture, structural design, physical design, quality control, performance testing data, and dimensional details including tolerance and product marking. For more information, contact Phillip Cutler, P.E., NPCA’s Director of Quality Assurance Programs.


What-is-biodegradable-form-release-agent-report

What is Biodegradable Form Release Agent?

One definition of “biodegradability” can be found in the EPA 1998, “Fate, Transport and Transportation Test Guidelines, Office of Prevention, Pesticides and Toxic Substances (OPPTS) 835.3100, Aerobic Aquatic Biodegradation”; and in EPA 712-C-98-O and ASTM D-5864-00, “Standard Test Methods for Determining Aerobic Aquatic Biodegradation of Lubricants or Their Components.” This reference gives everyone the guidelines to be followed when determining biodegradability and using the word “biodegradable” in claims relating to various products, including concrete form release agents. The U.S. EPA definition includes an allowable “28-day half-life” of materials in order to be considered biodegradable. Half-life is the time required for the decay of one-half of a given component in a system.


Precast Concrete in the Google News Feed:

The precast concrete market is projected to grow at a CAGR of 5.96%

Architect and Builder Agree: Precast Concrete Foundations Ideal Start for Affordable Housing Project


Hill and Griffith Customer Service

We're known for our hands-on approach. Let us visit your plant and recommend concrete release agents, packerhead concrete form releases, concrete form seasoning, potable water and non-petroleum concrete form release, biodegradable releases, rust inhibitors and concrete dissolver products that suit your needs.

Hill and Griffith Samples

Product Samples

We are pleased to provide samples in quantities large enough to allow you to "try before you buy."
Contact Us »

 

Hill and Griffith Customer Service

Technical Services & Support

On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
Contact Us »

 

Bulletins and Technical Papers for Concrete Casting Products 

Tags: Concrete Form Release Agent, Concrete Form Release, Concrete Casting Supplies, Form Release, Concrete Form Oil, Biodegradable Concrete Form Release

Precast Prestressed T Form Construction Video, including concrete form oil application

Posted by Hill and Griffith Company on Apr 20, 2018 12:49:25 PM

Learn how a double tee structural prestressed concrete member is plant produced.

Thanks to the Florida Precast Concrete Association.

This video will explain the entire process of producing a prestressed concrete unit at a prestressing plant, in this case, a double T. A double T is used primarily in parking structures, but can be used in virtually any type of building including office buildings, industrial buildings, and schools to name a few.

Pre-Cast-Double-T-1

 

Randy Neumeyer: Double Ts are kind of a unique product with having the capability of having a very long span. When we start talking long spans, you're talking 60 feet plus, and sometimes go as high as 120 feet.

Narrator: The typical day of a prestressing plant usually starts very early in the morning. The product from the previous days' casting has cured by now, and the pieces need to be stripped from the form to get ready for today's casting.

For any prestressing plant, it is very important to maintain a clean plant. Maintaining neatness is not only positive from an image standpoint, but also from a safety standpoint, since any debris that might be leftover from the day before could create a tripping hazard or other safety problem.


Resources from the Florida Precast Concrete Association

Why Precast?

Designing with Precast Concrete


Hill and Griffith Customer Service

We're known for our hands-on approach. Let us visit your plant and recommend concrete release agents, packerhead concrete form releases, concrete form seasoning, potable water and non-petroleum concrete form release, biodegradable releases, rust inhibitors and concrete dissolver products that suit your needs.

Hill and Griffith Samples

Product Samples

We are pleased to provide samples in quantities large enough to allow you to "try before you buy."
Contact Us »

 

Hill and Griffith Customer Service

Technical Services & Support

On-site casting defect investigations, product testing, machine start-ups and much more. Also, lab facilities are available to provide testing upon request.
Contact Us »

 

Bulletins and Technical Papers for Concrete Casting Products 

Tags: Concrete Form Release Agent, Concrete Form Release, Concrete Casting Supplies, Form Release, Concrete Form Oil

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