A convenient pocketsize version of this guide is available. Star pipe products ductile iron pipe fittings, joint. American ductile iron flanged fittings the principal standard covering flanged fittings is ansiawwa c110a21. Awwa manual m41 on ductile iron pipe and fittings is also available.
The following links organize the technical publication by topic. Here are the features you will see with ebaa irons restraint length calculator rlc v7. Table 3 friction losses through pipe fittings in terms. Ductile iron pipe guidelines technical publications. Wastewater lift station design manual reno, nevada. This manual provides the user with both technical and general information to aid in the design, specification, procurement, installation, and understanding of ductileiron pipe and fittings. There is a much wider variety of joints available for ductile iron pipe than any other piping material, providing greater fle xibility and versatility in pipeline design and installation. View our list of downloadable technical publications addressing benefits and application of ductile iron pipe. This paper will present an overview of corrosion principles, how zinc. One of the most important reasons for the success of ductile iron pipe is that, like gray iron pipe before it, it is the subject of the most. Bridge crossings with ductile iron pipe introduction the ductile iron pipe research association dipra periodically receives requests from engineers and contractors concerning recommendations on the design andor installation of pipelines spanning waterways, highways, and railroads. Ductile iron pipe research association dipra published a proven environmental evaluation system which allows engineers and utilities to determine areas of.
Table 3 friction losses through pipe fittings in terms of equivalent lengths of standard pipe size of pipe small dia. With more than five decades of outstanding field experience, ductile iron pipe is widely recognized as the industry standard for modern water and wastewater systems. Title s900 1 water trench pavement reconstruction dwg dxf pdf s900 2. Present levels of corrosion a rado industry database. Awwa m41 ductileiron pipe and fittings engineering360. Thrust restraint design for ductileiron pipe, second edition, 1986. Select the pdfs you want to add to your submittal package from the list below, or click each link for individual pdfs. M41 ductileiron pipe and fittings, third edition awwa. Carlesen, rodger j thrust restraint for underground piping systems, ductile iron pipe news, cipra, spring 1975. Polywrap polyethylene encasement for ductile iron pipe. This is the 20th edition of the american pipe manual. It is a complete catalog and reference book for engineers, buyers and users of pipe, fittings, valves and fire hydrants. Therefore, the ductile iron pipe research association dipra has prepared this guide to assist water utilities, contractors, consulting engineers, and others concerned with the installation of ductile iron pipe.
Ductile iron pipes many advantages along those lines will be explored in some detail and, when we conclude, we will have demonstrated why so many utilities and consulting engineers agree that ductile iron pipe is the right decision. Design on supports in some situations, both below and above ground, it is necessary to insta. Ductile iron pipe dip was introduced about 50 years ago as a more economical and betterperforming product fo. American zinccoated ductile iron pipe has been widely accepted and specified domestically since its introduction in the spring of 2015. Research of earthquake resistant ductile iron pipe erdip. These and other standards are referenced throughout this section either by the full ansiawwa designation or by only the awwa numbering, such as awwa c110 or c153. Ductile iron pipe guidelines technical publications dipra. This program is based on the equations and procedures found in the dipra brochure thrust restraint design for ductile iron pipe. Downloadable pdf brochures about ductile iron pipe and the ductile iron pipe research association dipra are available here. Pumping station, manual of practice fd4 as published by wef, pvc pipe design manual published by unibell, ductile iron pipe design manual published by dipra, hydraulic institute standards and the recommended standards for wastewater facilities, 1990 ed. Installation guide for ductile iron pipe canada pipe. Ductile iron is a high strength, tough material used in water and wastewater systems in all 50 states of the united states and in many other areas of the world. Guidelines installation guide for ductile iron pipe last revised. Awwa manual m41 on ductile iron pipe and fittings is also.
Dipra computer programs thickness design of ductile iron pipe hydraulic analysis of ductile iron pipe thrust restraint design for ductile iron pipe design of ductile iron pipe on supports awwa standards ansiawwa c104a21. Pushon joints the most popular, quickest, and easiesttoassemble joint for ductile iron pipe and fittings in underground applications is the pushon joint. Dipra research and technical director introduction joints for iron pipe have come a long way. Ductile iron pipe is pipe made of ductile cast iron commonly used for potable water. Ductile iron pipe is also available with thicknesses greater than pressure class 350. Below is the available product literature for our ductile iron pipe and corresponding joint types. Bedding for shallow installations, ductile iron pipe can be installed without granular bedding material.
About 550 years ago, the first cast iron pipes were made with flanged joints, using lead or leather gaskets. Dipra has four free webbased calculators that are useful tools for designing and specifying ductile iron pipe. Water details these details govern the requirements for construction of water facilities within the city of rochester. Submittal buttons and cover page entry will be displayed once an item has been selected. These systems are comprehensive tools used to necessitate the level of corrosion control required as well as. About the ductile iron pipe research association dipra from its inception more than 100 years ago, the ductile iron pipe research association dipra has provided accurate, reliable, and essential engineering information about cast iron and now ductile iron pipe to a wide variety of utilities and consulting engineers. Ductile iron pipe research association, birmingham, alabama. Proper installation procedures will add immeasurably to the long and useful life of ductile iron pipe. Therefore, the ductile iron pipe research association dipra has prepared this guide to assist water utilities, contractors, consult. The standard design considers hoop stresses in the pipe wall due to internal hydrostatic pressure as well as bending stresses and deflection in the pipe due to external loads of earth and traffic above the.
No need to download or install software, works in contemporary internet browsers. Miyajima abstract this study proposes a method for designing a water pipeline system against fault displacements by using earthquake resistant ductile iron pipe erdip. They are available in pdf format for immediate downloading. While it covers installation procedures, maintenance, and recommended safety. Reach out to our highly experienced team of engineers with your ductile iron pipe questions. Archived from the original pdf on 14 september 2012. Dipra has recommended polyethylene encasement for thousands of miles of gray and ductile. This paper will present an overview of corrosion principles, how zinc is applied to ductile iron pipe, how. I would think that basing the decision on whether to use iron pipe or polyethylene pipe upon a publication put out by the dipra is a little bit like letting the fox guard the hen house. The ductile iron used to manufacture the pipe is characterized by the spheroidal or nodular nature of the graphite within the iron. The manual describes ductileiron pipe and fitting products, appurtenances. Ductile iron pipe joints and their uses by richard w.
Both materials have identical yield strengths and the same nominal factor of safety of 2. The soil values in the ebaa program utilize frictional values that were derived from soil box studies performed on surfaces of ductile iron pipe, ductile iron pipe wrapped with polyethylene, and pvc pipe and several different soils. It covers many aspects of pipeline installation such as receiving and handling, trenching, installing, backfilling, testing and disinfecting, and service taps. Design of ductile iron pipe on supports d esign procedures for ductile iron pipe in normal underground service have been well established. Installation guide for ductile iron pipe dipra ean. Continuous testing and field experience have brought the production and use of ductile iron pipe to maturity. The mcwane pipe economy offers our complete catalog and reference book for engineers and buyers. Its affect on thrust restraint for pvc and ductileiron pipe, presented at awwa distribution systems symposium, september 1989. Ductile iron pipe manufacturers have been successfully welding ductile iron pipe for many years and should be consulted on their recommendations for field welding and torch cutting their product. Truck loads on pipe buried at shallow depths by richard w. Confronting americas water infrastructure challenge pdf report.
Ductile iron pipe is pipe made of ductile cast iron commonly used for potable water transmission and distribution. Ductile iron pipe is a pipe made of ductile cast iron commonly used for potable water transmission and distribution. Dipra has a technical publication to address virtually every aspect of the application of ductile iron pipe. Continuous testing and field experience have brought the. This is the third edition of awwa m41, ductileiron pipe and fittings.
Notice this field handbook contains selected information that is excerpted and summarized from the ppi handbook for polyethylene pipe and performance pipe literatures. Design manual m41 for ductile iron pipe, design manual m23 for pvc pipe, and design manual m45 for fiberglass pipe. This manual is intended as a guide for field welding and cutting cementmortarlined and unlined ductile iron pipe. Below you can find the different joints that mcwane ductile offers for ductile iron pipe. Thrust restraint design for ductile iron pipe sixth edition 2006 foreword published in 1984, the first edition of thrust restraint design for ductile iron pipe presented suggested design procedures for the restraint of thrust forces in pressurized, buried ductile iron piping systems. External the corrosion rate of ductile iron in sea water will normally vary between 2 and 20 mils per year depending on such factors as. All threaded pipe ends are separately machined to match the threads of each individual ductile iron flange. Dipra researchtechnical director 1 equation 1 equation 3. Research of earthquake resistant ductile iron pipe erdip for fault crossing k. Move the cable to the bell end of the pipe and lift the pipe slightly to provide enough clearance to easily slide the tube.
However, ductile iron pipes conservative wall thickness design doesnt stop here. Mcwane ductile is now taking pipe protection to new heights with the innovative vbio, an enhanced polyethylene encasement. Dip ductile iron pipe dipra ductile iron pipe research association ec end of curve eg existing grade elev elevation evc end of vertical curve. Principles presented in the dipra publication design of ductile iron pipe on. A century ago, dedicated american engineers installed iron pipe to create the countrys water systems. In a more recent development, the ductile iron pipe research association dipra birminghan, alabama announced that its membersthe eight leading di manufacturers in north americano longer will honor a. This strong, safe, and reliable product has stood the test of time. This catalog provides product information for users of pipe. Published in 1984, the first edition of thrust restraint design for ductile iron pipepresented suggested design procedures for the restraint of thrust forces in pressurized, buried ductile iron piping systems. Conservative assumptions, along with an explicit safety factor, have been employed to assure a conservative design with an adequate overall safety factor. Installation guide for ductile iron pipe dipra ductile iron pipe research association on.
This book is full of useful information for designers and installers of ductile iron pipe. Ductile iron pipe is made from recycled ferric scrap, resulting in as high as 95% recycled content dipra member companies are committed to achieving targets the ensure the health and safety of employees and the public ductile iron pipe is designed to ensure 100 years of service life ductile iron pipe earned 69 points, including. Stargrip ductile iron pipe pvc stargrip pvc pipe pvc grip pvc pipe starflange adapter flange di pipe pvc starflange adapter flange pvc pipe flange adapters ductile iron and steel pipe pvc pipe restrainers fittings and pipe to pipe retainer glands starflex flexible expansion joint restraint hardware awwa grooved products. Dip ductile iron pipe dipra ductile iron pipe research association dr dimension ratio dsd development services department ecc engineers certificate of completion. Service and casting allowances ductile iron pipe design. This manual is updated regularly to reflect current minimum and uniform requirements from the city of cumming adopted codes and ordinances. An indispensable reference for water distribution systems designers, managers, contractors, and operators, this third edition provides the most current specifications for ductileiron pipe and fittings. This type of pipe is a direct development of earlier cast iron pipe, which it has superseded. For more information, please contact a marketing and specifications representative. Installation guide for ductile iron pipe ductile iron pipe research. This technical publication discusses the design basis and important criteria used in the wall thickness design of ductile iron pipe.
However, the sidewall support from granular bedding material allows ductile iron pipe to carry greater loads then the pipe could by itself. We make every effort to generate an accurate and complete catalog. For more information on sizing and other specifications, download the submittal sheet located underneath each individual joint. Ductile iron is a high strength, tough material used in water and wastewater systems in all 50 states of the united states. Each of the calculators is based upon a dipra brochure with a similar name. Dipra researchtechnical director 1 ductile iron pipe may be furnished in shorter lengths per awwa c151. Ductile iron pipe is available for water working pressures greater than 350 psi. Ductile iron pipe now is a function only of the difference in the outside diameters. Ductile iron pipe research association home facebook. Guidelines installation guide for ductile iron pipe. The bell and spigot joint, which was assembled by caulking yarn or braided hemp. M41 ductileiron pipe and fittings, third edition american water awwa manual m41.
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