Piping Alignment Acceptance Criteria

The ICC AC358 replaces the ICC-ES Legacy Report for helical piles. Moorland Rd. Piping for all newly constructed sanitary sewer mains, sewer service lines, storm and irrigation drainage to be installed in easements or public right-of-way under the jurisdiction of the City, shall be installed in accordance with approved engineered plans. This comparison applies only to Category D piping of B31. See Figures 7. United States Environmental Protection Agency Office of Water Washington, D. The Project Procedure and applicable codes & standards are to be used for actual criteria for the specific projects. Postweld Heat Treatment. Commissioning, and Maintenance These instructions do not purport to cover all details or variations in equipment nor to provide for every possible contingency to be met in connection with installation, operation or maintenance. Definition and diagnosis of immune thrombocytopenic purpura. [Company] warrants that the system will fully and reliably perform the functions as described in the Requirements Specification and is in full conformance with the contract. 2 SCOPE This standard covers technical requirements for welding and weld inspection of piping systems, for which NORSOK L-CR-001, «Piping and Valves» is the governing design standard. High Pressure Fluid Service is one the pressures are in excess of ANSI Class 2500. 3 2016 Edition: Key Changes In The Standard Piping Engineering The American Society of Mechanical Engineers ( ASME ) is a non-profit organization that in its own words 'promotes the art, science and practice of multidisciplinary engineering and allied sciences around the globe'. 2A Acceptance Criteria for Welds. 3-2010 and B31. The two common methods of welding PE pipe are butt fusion and electrofusion (EF). 2 8/15/07 the Agency.



This page covers the destructive bent test required to become a certified welder. 1 Introduction These criteria provide uniform procedures for designing and checking the design of storm drainage systems under the rainfall and land characteristics typical of the Kansas City Metropolitan Area. • Coordinate closely with engineering and program leads to ensure alignment between technical, business, and field teams on product features and. Fabrication of high alloy piping shall take place in areas separated from areas where carbon steel piping is fabricated. pipe and is determined by testing pieces of pipe in a three-edge-bearing machine (Figure 1-1) in accordance with AASHTO T 280or by breaking concrete cylinders in accordance with AASHTO T 22. 2 Allowable operating range 3. (Note: If a manufacturer of a machine or coupling require tighter alignment tolerances, those should be used). 2 Pressure, Weight, and Other Sustained Loads. alignment is an example of where ABS has noticed the need to provide a more detailed explanation on alignment design and practices, which has resulted in the development of the subject Guidance Notes. 102 the following after the word "seal": including pipe dope and pipe thread sealing tape (e. Chapter 4 Fire Pumps 89 Program for Individual Systems Suction piping shall be fl ushed at a fl ow rate not less than indicated in Table 14. LEISIHc SUMMARY Several National Consensus Codes contain acceptance criteria for indications in welds. Piping-piping must be supported and installed using approved procedures. All welded attachments to piping, including pads and doubler plates, shall be of a material 100 % compatible with the piping material. pipeline drying - a concern of quality at post-hydrotest of pipelines One problem that frequently found and shall be put as a concern of a project quality team after the hydrotesting of a pipeline is that it leaves the pipeline wet after the test although the de-watering process had done. The test shall be conducted for a period of not less than two hours, after which, if the pressure has. Static Stress: For process piping, loading is dependent on more than simple uniaxial loading. AASHTO’s 2004 Edition of “A Policy on Geometric Design of Highways and Streets” states that through traffic lanes on freeways should be 12’ wide (2004 AASHTO Pg.



HIGHWAY DESIGN MANUAL Index 1 December 30, 2015 A. Acceptance criteria for each method , visual , MPT , RT , LPT and. 5-2009 require a large female gasket recess in the lap of a lap joint stub end have a minimum wall thickness of 0. g ov/esm/pre ssure_safe ty/process _piping_gu ide_R2. Interpretation File No. United States Environmental Protection Agency Office of Water Washington, D. • Coordinate closely with engineering and program leads to ensure alignment between technical, business, and field teams on product features and. Elevation of the pipe centerline and of the completed ground. 02 To determine whether licensee records establish an adequate basis for the acceptance for closure of Inspection. So as long as it is metal pipe in a pressure class below 2500#, the UT acceptance criteria for B31. 2 8/15/07 the Agency. As illustrated in Figure 2, when concrete pipe is installed on curved alignment using deflected straight pipe, the point of curve (P. Acceptance criteria is based on the API 1104 code and although I do not have the latest revision, an older revision stated this. Fabrication of high alloy piping shall take place in areas separated from areas where carbon steel piping is fabricated. Piping for all newly constructed sanitary sewer mains, sewer service lines, storm and irrigation drainage to be installed in easements or public right-of-way under the jurisdiction of the City, shall be installed in accordance with approved engineered plans. Measurements read in standard one side, and metric on the opposite side.



This Material Acceptance discussion will describe in general, the detail requirements of specific materials, consumables, pipe fittings, fabricated Item, and equipment package shall refer to material management discussions. Check each pipe length for cracks or imperfections. This ensures that you'll be able to have an ergonomic working position every single time. This Code applies to piping for all fluids including: (1) raw, intermediate, and finished chemicals; (2) petroleum products; (3) gas, steam, air and water; (4) fluidized solids; (5) refrigerants; and (6) cryogenic fluids. ACCEPTANCE CRITERIA FOR WELDS IN ASTM A106 GRADE B STEEL PIPE AND PLATE C. All welded attachments to piping, including pads and doubler plates, shall be of a material 100 % compatible with the piping material. The manufacturer’s plant may not be equipped to test the machine at full capacity or with all product components included. Wachel holds an MSME degree from the University of Texas. Guide Information for Fire-resistance Ratings. Defining Shaft Misalignment III. 3 Process Piping Course 18. 1, Power Piping. I checked a few ASME piping codes and I have paraphrased what they have to say on the subject of alignment and misalignment: I checked two ASME piping codes, B31. Quality applies the. Bottom support type: In bottom support spring, the pipe is resting on the top of the spring load plate, as shown. Eligibility Criteria Page Content Applicants must meet specific educational and work experience criteria at the time they submit their application in order to be eligible to sit for the SHRM-CP or. This can be caused by 1) the network extends beyond the beginning or the ending of the alignment, 2)a pipe, such as a cross drain pipe, runs exactly perpendicular to the alignment 3)the network ‘double backs’ on itself relative to the stationing of the alignment (i. Index 7 July 15, 2016. STANDARD SPECIFICATION PIPING FABRICATION AND INSTALLATION SPEC - 00 - P - 02 REV DATE DESCRIPTION BY APPROVED 0 17/07/97 Issued for comment I. 6 as does Server cyclic and Category M.



txt) or view presentation slides online. The aim of this document is to create alignment among scientific stakeholders including FDA, NIH, industry, academia, patient groups and the non‐profit sector regarding a proposed framework for levels of evidence required to qualify biomarkers 1. Deliberations on Acceptance Criteria of Centrifugal Pump Vibration Rotating machinery acceptance parameters in terms of vibration and protection is one of the key considerations in detailed. Permitting 12. Blue® Series and eries Make up Acceptance Legacy Series Make up Acceptance 1. Measurements read in standard one side, and metric on the opposite side. Additional details about specific facility design requirements can be obtained from the District. They have extensive information on piping system fabrication and installation and provide information on their acceptance criteria for flange alignment. API 5L covers seamless and welded steel line pipe. Submittals and Final As-Built Prior to Acceptance 17. CHAPTER 1 INTRODUCTION. The damage was limited to a pretty substantial dent on a 2" sch 40 line. by: Thomas Neumann, sourced from Fall 2004 Inspection Trends Weld gauges are an everyday tool for Certified Weld Inspectors. Where this is not the case it would be necessary to identify them and possibly to agree them with the customer. Measure scribe lines, weld fillet. You may therefore be eligible for an allowance if you’ve found and repaired a leak yourself, or if you’ve arranged for a plumber to do so at your expense. 1, Power Piping. System One is recruiting an Initial Test Analysis and Acceptance Criteria (ITAAC) Project Manager for a nuclear facility in Waynesboro, GA.



It allows you to adjust the rotating speed, height, and angle of the workpiece. Keywords: risk, risk assessment, risk acceptance criteria, environmental impact assessment, environmental suitability, natural gas pipeline Denis Kirchhoff (corresponding author) is a PhD Candidate and Brent Doberstein is Assistant Professor, Department of Geogra-. A Unique blog for Oil and Gas Professionals covering topics related to Piping and Process. Welding is an important aspect of piping system design and fabrication. 2 Allowable operating range 3. 8, Gas Transmission & Distribution Piping Alignment and Acceptance Criteria 1. d Video inspection curved pipes prior to final acceptance. The construction is erecting pipe, doing fit-up, and welding. 8 Information for Reference. Insulate each continuous run of piping with full-length units of insulation, with single cut piece to complete run. Inspection, Examination and Testing -10 Typical Weld Imperfections Lack of Fusion Incomplete Penetration Suck Up Excess Reinforcement. SEQUENCES INSTALLATION OF HP MODULE Acceptance HP casing and visual inspection Kerosene test and. Design Criteria 3. criteria synonyms, criteria pronunciation, criteria translation, English dictionary definition of criteria. So as long as it is metal pipe in a pressure class below 2500#, the UT acceptance criteria for B31. 3 also specifies the minimum T. Maximum soil pressure: 2000 lbs/sq ft. Define criteria. Static restraints or rigid support prevent transmission of movement (caused by thermal or vibratory changes) on piping. 5 Bend Plane Bends shall be flat within.



6 shall not be used; liquid penetrant inspection shall be required. Gasket should not extend into the groove on either pipe. 0 GENERAL 6. At a general level, the course will cover key topics relating to the scope of the standard with respect. So as long as it is metal pipe in a pressure class below 2500#, the UT acceptance criteria for B31. MICHAEL HUDSON,* DAVIS B. Chapter V, paragraph 127. Ensure the pipe ends are clean. A field test must be conducted to limit pipe strain: align the motor to the pump and then loosen one at a time the suction and then the discharge flange bolts. Water and Wastewater Criteria Manual 7 Section 1 - Introduction 1. 1 All evaporators should be properly anchored and supported. a broad group of stakeholders are consulted and their values become key process inputs and acceptance criteria. Attachment 3, ASME B31. Additional Qualification Tests, Stress Analysis, and Inspection are required to use the "Fitness-for-Purpose" criteria. Al-Qutub [ + - ] Author and Article Information. Quality applies the.



5 Bend Plane Bends shall be flat within. 2 SCOPE This Standard is a collection of the Piping Material Data Sheets (MDS) applicable to selected. Evaluation Procedures and Acceptance Criteria Based on Failure Mode Determination 5. The practice of doing analysis via the discussion of acceptance criteria and writing the results in the form of acceptance tests is known as both Behavior-Driven Development (BDD) and Acceptance Test-Driven Development (ATDD). 00: General Provisions Governing the Conduct of Plumbing and Gas Fitting Work Performed in the Commonwealth. In the early 1970s, interest was expressed in developing a consolidated code for the structural welding of aluminum sim-ilar to the AWS D1. • Define product requirements for new products, features, and use cases; define acceptance criteria for each. This specification covers the material (pipe and fittings), joining methods and general installation. • For rigid pipe, active lateral pressure is neglected, which, in effect, increases the required pipe strength. Piping is installed with the proper • Support • Alignment • Joint assembly Discontinuities are sufficiently small that they don’t grow into leaks during operation BECHT ENGINEERING COMPANY, INC. 0 JOINT FIT-UP AND ALIGNMENT 1. WATER DISTRIBUTION SYSTEM DESIGN CRITERIA TECHNICAL MANUAL 1. By Authority Of THE UNITED STATES OF AMERICA Legally Binding Document By the Authority Vested By Part 5 of the United States Code § 552(a) and Part 1 of the Code of Regulations § 51 the attached document has been duly. 3 is as you stated, 344. Install insulation materials with smooth and even surfaces. The pipe will be checked for correct level, alignment and position and if necessary, adjusted on the pipe support, or re-level the pipe. Conduct an operational test of the system and record air and water pressure before test, system trip time, QOD operation time and pressure, and time for sufficient water delivery. A channel by which information is privately transmitted. 1(b) [Exhibit 4.



Coupling Alignment Fundamentals Rexnord, 5555 S. 2, 3/10/09 3 PURPOSE This Guide provides information for the proper application of the ASME B31. How precise should alignment be? Alignment tolerances for flexible couplings. 3 Table 341. The purpose of the hydrostatic test is to establish that the section of pipe to be field tested, including all joints, fittings, and other appurtenances, will not leak, or that leakage is within the allowable limits. 3 or CSA Z662. Normal fluid service states Ut will be 344. THRUST BLOCK DESIGN 1. The only requirement was that the welds joining the ends of the pipe must be tapered to. UPDATED September 14, 2017 PAGE 2 OF 4. 32 through 341. 2 This bulletin is not intended to replace or provide substitute for the safety codes and standards listed in Section 6. These nondestructive testing standards are instrumental to laboratories and a wide variety of industrial plants for examining a material's quality and, consequently, suitability for intended use. Sewer Structures 9. Topic 4 – Acceptance Testing and Acceptance 12 Topic 5 – Rejecting Non-Conforming Goods 13 Topic 6 – Supplier Performance 15 Topic 7 – Asset Management 16 Topic 8 – Receiving Service Deliverables 18 Chapter 10 – Receiving, Inspection, Acceptance Testing and Acceptance or Rejection 3 PAM Revision 3 September 2005. 1, 10/27/06 WFP 2-01 - ASME B31 Series Piping Codes.



Provide a minimum of 40-psi pressure at the meter to each and every customer service using the pad elevation of the water tank, at half-full, serving the area as the starting hydraulic grade line. Acceptance criteria is based on the API 1104 code and although I do not have the latest revision, an older revision stated this. 2 for radiography under Normal Fluid Service. Project Name: Project #: Customer: Contact: The system as supplied and commissioned by [Company] is submitted for acceptance by the Customer. manufacture of the pipe create an apparent gap in excess of the tabulated gap, the Engineer will accept the joint provided that the imperfection does not exceed 1/3 the circumference of the pipe, and the rubber gasket is 1/4 inch or more past the pipe joint entrance taper. We are going to erect the pipe in the pipe rack. Interpretation File No. While there are changes to the Codes from time to time the outlines here provide an overview of the information in the codes. 1 For piping systems that operate at hoop stress of less than 20% and the internal adjoining ends do not vary more than 1/ 8 in. Part 1: General systems. This is the final part of how to pass a 6G pipe welding certification. API 579-1/ASME FFS-1 2016 Fitness-For-Service. 3, Process Piping. 1 prescribes minimum requirements for the design, materials, fabrication, erection, test, inspection, operation, and maintenance of piping systems typically found in electric power generating stations, industrial and institutional plants, geothermal heating systems, and central and district heating and cooling systems. 1, Structural Welding Code—Steel.



Senior Workpack Engineer (Mechanical / Piping) job in AE-Dubai, United Arab Emirates - Job ID 1432431 - Find oil and gas jobs on www. Less than 8" diameter: 36". This section covers how to mark a pipe for bend test coupons, cutting of weld coupons and a bent test conducted by a Certified Welding Inspector. Purpose This specification provides a standard for the alignment tests required to evaluate the accuracy and determine acceptance of NAS 900 Series equipment noted in paragraph 1. by: Thomas Neumann, sourced from Fall 2004 Inspection Trends Weld gauges are an everyday tool for Certified Weld Inspectors. 6 In assembly of socket weld joints, the pipe or tube shall be withdrawn a distance of approximately 1/ 16 in. acceptability criteria for customer shippable parts, assemblies and final products that are purchased or consigned to EPE Corporation for value added assembly. Benefit of Applying DNV-OS-F101 as Acceptance Criteria for Offshore Pipeline Installation (Part 3) We will look at three key regions of interest for a pipeline installed using S-lay barge in shallow water (since we have ignored the effect of external pressure for now):. 3, “Piping Systems and Components—Inspections, Tests, Analyses, and Acceptance Criteria. Such records shall clearly indicate at least the following: 4. Grooved piping is a well-respected and proven pipe assembly process and method with decades of success. Water valves : Water valves will generally be placed aligned with the perpendicular right-of-way margins, as shown in Figure 4-22: Typical Valve Location. 1 spells out the requirements for design, procedures, qualifications, fabrication, inspection and repair of steel structures made of tubes, plate and structural shapes that are subject to either static or cyclic loading. Contract number and name 4. To help visitors, many words below which name oilfield products manufactured by WOODCO USA have links to illustrations and additional information shown in WOODCO USA online catalogs or other sections of Web Site Tools. REFERENCES Throughout this Standard the following dated and undated. 3 Process Piping: flange faces must be parallel within 1/16" per foot of diameter, and flange bolt holes must be aligned to within 1/8" maximum offset. — PSL 2 pipe ordered for European onshore natural gas transmission pipelines (Annex M).



3-2004) Process Piping ASME Code for Pressure Piping, B31 AN AMERICAN NATIONAL STANDARD Three Park Avenue • New York, NY 10016. WRIGHT, JR. But pipe line in the rack is not straight. Dewatering of the trench shall be maintained as described in Section 10-5, "Contorl of Water in the Work", of these Specifications. The difference between the maximum and the minimum distance will be a "T" misalignment value, to be checked with the acceptance criteria sheet (see Figure 1). Reference URS Scope Procedure Acceptance criteria Reference to rawdata Results comply (y/n) Test done Date / Sign Deviation no. consideration given to the vulnerability of the pipe-soil system when the pressure is expected to be applied. Gasket should not extend into the groove on either pipe. Items not specifically referred to herein shall comply with the latest edition of the Standards of the American Water Works Association and shall be subject to approval by CLWSC. If we focus on “projects,” this methodology uses the corporate strategy (but works well with strategic business units strategy or department objectives resulting from corporate strategy) to create a set of criteria and a mathematical model to evaluate company potential initiatives on the base of their alignment with the mentioned strategy. City of Leitchfield shall be first approved for acceptance by the City Council, and WHEREAS, such acceptance of city streets being dedicated by the recording of a plat is now required by statute, and WHEREAS, it is now deemed necessary to further prescribe the construction requirements for streets within The City of. Refer to Section 20400, Track Construction; Section 20150, Rail, and Section. 6 Steam Purity Frequency of tests, criteria, out-of-spec events 7 Lubricating Oil and EHC Analysis Particle counts, presence of contaminates 8 Pump Start Tests Frequency of tests, pressures, out-of-spec events 9 Valve Tightness Tests Frequency of tests, criteria, sticking events. Default ASTM Standard the pipe was purchased to, for example: Out-Of-Roundness In Piping Under Internal Pressure ASTM 530 For thin wall pipe, the difference in extreme outside diameter readings (ovality) in any one cross-section shall not exceed 1. com Page (1 of 14) CONTENTS I. EN design, and subsequently material standards, is based on minimum strength levels at various elevated temperatures. Hence, an acceptance criterion is best derived from a pipe stress report or seismic analysis. 4 Piping Vibration and Integrity Assessment - Scope. How precise should alignment be? Alignment tolerances for flexible couplings.



* AND BRIAN N. Acceptance criteria for welds on piping must be in accord with ASME B31. This foreword is not part of AWS D1. 3 Process Piping Guide Rev. Plans submitted for preliminary review will not be returned to the Engineer. 2 Allowable operating range 3. 700 PIPE Pipe used for sanitary sewers shall have a minimum diameter of 6-inches when located in the street right-of-way. Plant fires can present a safety concern for certain piping systems. Boiler External Piping (BEP) construction details, including weld joint preparation and alignment, tack welds, required weld sizing, welding qualification requirements, final weld acceptance criteria, preheat recommendations, postweld heat treatment (PWHT) requirements and exemptions, NDE requirements, pressure testing, Section I Code. and acceptance by the City within the City, within its extra-territorial jurisdictions and within its Certificate of Convenience and Necessity (CCN) area. 1 Wet Pipe Systems. Five Percent Random Radiography of Welds Code B31. Normal fluid service states Ut will be 344. The tests shall be made on new or repaired equipment and piping. Reference URS Scope Procedure Acceptance criteria Reference to rawdata Results comply (y/n) Test done Date / Sign Deviation no. (PROJECT STANDARDS AND SPECIFICATIONS ) Page 8 of 40 Rev: 01 Feb 2011 Hydrostatic Testing 1. Groove – Plate & Pipe ≥ 24 in Groove – Pipe < 24 in Fillet – Plate & Pipe ≥ 24 in Fillet – Pipe < 24 in Progression GMAW Transfer Mode Single or Multiple Electrodes Gas/Flux Type TEST RESULTS Type of Test Acceptance Criteria Results Remarks CERTIFICATION Test Conducted by Laboratory Test Number File Number. They should be used only if no other tolerances are prescribed by existing in-house standards. 2 Purpose, objectives and limitations.



Part 8 Assessment Of Weld Misalignment And Shell Distortions Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This Code will become effective 6 months after the Date of Issuance. This specification covers the material (pipe and fittings), joining methods and general installation. Guide Information for Fire-resistance Ratings. Classification of Used Drill Pipe Tubes and Tool Joints !! jltubulars. Role/Responsibilities. Pipelines shall be within 50mm of design line and level at all points where design grade exceeds 1% and within 20mm of line and level for grades flatter than 1%. Terms and Definitions. Acceptance Criteria Review The acceptance criteria documents reviewed were those commonly used for inspection of thick section weldments. The ASME B31. 4 Pipe stress analysis criteria; loading and load combinations, damping values, combination of modal Damping (p. 1, 10/27/06 WFP 2-01 - ASME B31 Series Piping Codes. This is done by placing a concentric reducer between the check valve and the pump. 2 Acceptance criteria for welds, is it important to meet all the acceptable values mentioned in the criteria. Of note is that the results from the daily production tests for both applicators had similar results that met the daily coating test criteria; it was the additional 28 day CD tests that indicated that coating. PIPE SPOOL DEFINITION - Piping Fabrication and Erection Specification The word pipespool, as used in this specification, is a unit of prefabricated piping consisting of pipe, fittings, flanges, and other components integral to the assembly. LEISIHc SUMMARY Several National Consensus Codes contain acceptance criteria for indications in welds. The material grade selection of pipe concerns about the following factors: cost, resistance to corrosion effects, weight requirement and weld ability. Elevation of the pipe centerline and of the completed ground.



Requires common understanding of purposes and goals of the organization, and consistency between every objective and plan right down to the incentive offers. 3 Aboveground Pipe and Tube. They have extensive information on piping system fabrication and installation and provide information on their acceptance criteria for flange alignment. It is usually left up to the commissioning engineer, the Project Startup Manager and Owner to determine what is necessary for final acceptance. - Corrosion tests have been carried out with acceptance criteria for pitting and weight loss according to NORSOK MDS'es at 40 ° C. Water and Sewer Utility Design Standards 4. Vibration should not be used as rejection criteria, but it could be used as an acceptance criteria. codes and pipe stress analysis. These nondestructive testing standards are instrumental to laboratories and a wide variety of industrial plants for examining a material's quality and, consequently, suitability for intended use. His activities ave centered in the fields f vibration, pulsation, ynamic simulation, acous-. The specification applies to line pipe with wall thickness up to 1. The aim of this document is to create alignment among scientific stakeholders including FDA, NIH, industry, academia, patient groups and the non‐profit sector regarding a proposed framework for levels of evidence required to qualify biomarkers 1. 8 Information for Reference. Scarth The analytical evaluation procedures and acceptance criteria are currently. 1 ¹ Recommended values. Equipment name and number 4. Keywords: risk, risk assessment, risk acceptance criteria, environmental impact assessment, environmental suitability, natural gas pipeline Denis Kirchhoff (corresponding author) is a PhD Candidate and Brent Doberstein is Assistant Professor, Department of Geogra-. As part of the structural integrity assessment for Savannah River Site (SRS) piping systems, an acceptance criteria methodology for minimum pipe wall thickness has been developed for carbon steel piping.



Determining Remaining Strength of Corroded Pipelines Houston Section ~62,000 miles of pipe and processes gas through 61 plants, produces 360,000 bbls/day NGLs. Definition and diagnosis of immune thrombocytopenic purpura. Hanger type: In hanger type spring support, the pipe is hung from the secondary support using hanger type spring, as shown. 2 In steam systems, where brazed piping and fittings are to be reused, or piping has to be sized to achieve proper fit-up, the option for a 5X visual inspection for cracks listed in Sections 5. 5% of the specified outside diameter. 3 Process Piping Guide Rev. SCHEDULE A – DELTA DESIGN CRITERIA 1 INTRODUCTION The purpose of this Manual is to outline the minimum requirements and standards the Municipality will accept in the design and record drawings for works and services. - The microstructure is free from all grain boundary carbides and intermetallic phases. Based upon this information I have established a maximum fit up internal mismatch of 1/16 " maximum (Circumferential) for ASME section 1 piping connections. So as long as it is metal pipe in a pressure class below 2500#, the UT acceptance criteria for B31. Design Standards Manual For Water And Wastewater Systems 1. The objective of this edition is to include changes that reflect recent advances in technology and to refine the content for clarity and conciseness. oilandgasjobsearch. For everyone involved in any phase of welding steel structures---engineers, detailers, fabricators, erectors, inspectors, etc. Re: [MW:26963] Acceptance criteria for piping sagging and alignment My reply may be pertaining to Inspection but if you are looking for Design point then a Piping Engineer may be in a better position to answer. Terms and Definitions. " Read on and see how. Piping Alignment Acceptance Criteria.