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PART 2 P R O D U C T S - NOT USED.</div> <div id="post-15664" class="post-15664 contemporary type-contemporary status-publish has-post-thumbnail hentry"> <div class="entry-content"> <h1 class="center"><strong>Pipeline hydrotest procedure pdf. 3 Exclusions to this standard are listed in SAES-A-004.</strong></h1> <hr> <!-- no json scripts to comment in the content --> <div> <h2 style="text-align: center;"><strong>Pipeline hydrotest procedure pdf. Jul 6, 2018 · Doc Ref : QCP-10.</strong></h2> <h2 style="text-align: left;"><span style="font-family: Times;"><span style="font-size: medium;"><b><br> </b></span></span></h2> <p>Pipeline hydrotest procedure pdf. 0 Apr 26, 2023 · Hydrostatic testing is a method of testing pipelines for strength, integrity, and safety. New solution saves time and reduces cost The new Subsea Automated Valve Apr 15, 2008 · Abstract. Ensuring their reliability is essential to prevent catastrophic failures, which could lead to accidents, injuries Mar 14, 2010 · INTRODUCTION ABSTRACT. ca. 5KB. 8 Sequence of all operating, including pig examination. 18 mm). Size: 68. 2 percent air volume of pipeline and minimum of -20 oC dew point for dryness. 5 TEST MEDIA 5. Phase 1. Filling shall be controlled in a manner to ensure all air is vented from the pipeline. The liquid used for hydraulic testing is generally water (γ = 1); in particular cases, the liquid could be seawater (γ = 1. Jan 6, 2024 · The hydrostatic test procedure begins with a comprehensive preparation phase. SAEP-302 Instructions for Obtaining a The water company will provide water for testing and disinfecting the water mains; however, the contractor will be responsible for piping or hauling the water if necessary. The procedure specifies preparing test packages, cleaning and isolating piping, verifying all work is complete Example: Hydrotest Pressure for elevated Design Temperature. The purpose of this testing procedure is to provide guidelines to conduct Lay-up of equipment according with SAES-A-007 (Hydrostatic Testing Fluids and Lay-up Procedures) in Plants and Refinery Projects. docx), PDF File (. It is used to ensure that the pipelines are fit for purpose and can withstand the operating pressures and temperature. 4. 01 Project No. 4 (Pipeline Transportation System for Liquids and Slurries). Purpose of Hydro test. This preparation is crucial for the accuracy and safety of the test. 4 Test Procedure (c) maintenance of the test and recording of results on pipeline and assemblies for a minimum of eight continuous hours at or above the specified pressure. Pipeline hydrostatic testing or hydro testing of pipelines is a non-destructive testing method to evaluate the strength and integrity of pipelines. Apply pressure to the pipeline to bring it to its acceptable test pressure. Technicians also write identifying information such as the serial number or job number. 3 Non-monitored Make-Up Water Test The test procedure consists of initial expansion, and test phases. 21 Section Name: Hydrostatic Testing Procedures for Facilities Rev. When, in the opinion of the engineer, local Prior to pipeline hydrostatic testing, all relevant documentation shall be signed and approved by the client. This testing examines the strength of these vessels’ pressurization. HYDROTEST AND FLUSHING. The maximum hydrostatic test pressure must be recorded at the lowest point along the pipeline, and must be compensated for temperatures other than 73oF. 5 times the design pressure, and check for any leakage. ADR ABR / RZL WHY 11-BTORF-P-PRO-0003 Rev : A PC Ketapang II Ltd. In this type of testing, a liquid, usually water, is pumped into the system before it is pressurized with air or an inert gas. There are two kinds of pipelines: Liquid and Gaseous. For a design temperature above the test temperature, minimum test pressure can be calculated as: Pt = (1. 1. The first stage was the selection of Jan 22, 2018 · 1. HDPE pipelines No: QW224801-000-00-SGTSTM-80398040K-QA-G150-00001 Rev. QW224801 3 Evaporation pond constructed at the end of section #8 will be capable to receive the 41,000 m . 6 Procedure for controlling flow, pressure and control of spacing of pigs. This covers Scope of Hydrostatic Testing of Piping or Pipelines, test procedure, test duration, test pressure, equipment’s required for hydro test, acceptance criteria for hydro test, test reports etc. PROCEDURE FOR HYDRO TESTING CONTRACTOR : TECHNO FIRE CONTROLS PVT. The hydrotest chart records the pressure and temperature, two pressures, or two temperatures of the hydro test over a certain period of time. Then, it is filled with water, and the pressure is gradually increased to the specified test pressure. 25 times the MAOP (maximum allowable operating pressure) for steel pipe. Subject the lowest element in the system to a test pressure that is 1. The test involves filling the boiler with water and pressurizing to at least one and half times the maximum specified operating pressures for a short duration. Hydro Test (Rev 01) - Free download as Word Doc (. e. This pressure is usually greater than the pipeline’s design working pressure. WARNING: The testing methods described in this section are for water-pressure testing only. 1 10-11-11 New Specification. It outlines responsibilities for engineering, construction, and QA/QC to plan and execute hydrostatic testing safely and in a timely manner. 1 Purpose. 3 (Process Piping), and B31. removed and pressure relieving devices replaced. Box 188, Whitinsville, MA 01588 (P) 508. PROCEDURE. hydrostatic testing above ground. This paper describes BP's approach to managing and mitigating the environmental impacts of hydrotest water disposal. The contractor shall not operate any valves on existing water mains. Types of Pressure Test. 7. 1General Methodology12” GAS EXPORT pipeline hydro test pressure is: 15MPa (2175. 6. Dec 22, 2023 · Delve into the core of pipeline integrity as we unravel the complexities of hydrotest pressure for pipes. Hydro test Pressure according to different process. During this test, if there are any defects in the boiler structure, the Jul 27, 2016 · 1 Hydrotest pressure is 1. 8 (1968 ed. Page 7 of 9. Water will be used as the test liquid and the test will conform to standards including ASTM F2164. The pipeline system is first cleared of its contents, typically natural gas or other substances, and then thoroughly inspected for any visible damage or weaknesses. Member Price: $10. 3 In AR -8, the Chief Accountant provided accounting guidance to allow capitalization of certain pipeline Pipeline Construction means laying the pipes to serve their intended purposes. Hold the pressure for a required timeframe to examine the pipeline for possible leakages. The test is performed by subjecting the material to a predecided Jun 23, 2020 · performing hydrostatic testing of gas mains and pipelines to comply with the requirements under USAS B31. It describes the responsibilities of different departments in conducting the test. 6psig); 1. PART 2 P R O D U C T S - NOT USED. 1 Hydrostatic test: Except when differently stated in the Line List, the hydrostatic test medium shall be fresh water, clean and free from suspended solids and other foreign matter. Pipelines Sub-Section No. 7 Procedure for pig launching/receiving using temporary facilities. Join us on a journey through the intricacies of hydrotest pressure, a crucial aspect in ensuring the reliability and durability Hydro test, also known as hydrostatic test, is a critical procedure performed in various industries to assess the integrity and reliability of a system. Website: www. Read less This standard supplements ASME B31 and other applicable codes. The purpose is to check piping integrity and tightness as required by project specifications. It ensures that the pipelines can safely operate at their maximum operating pressure. 1003. APPROVAL Sign: Date: EPCC OF BUKIT TUA DEVELOPMENT PROJECT - ORF HYDROTEST PROCEDURE FOR PIPELINE REVISION LOG REGISTER Revisions had been performed on following pages: No Page Date 11-BTORF-P-PRO-0003 REV. No payment will be made for hydrostatic testing of pipelines under this Section. This chapter will treat the subject accordingly. The construction of both pipelines is similar. 25-hour leak test, was conducted and completed on June 10, 2017. S : Allowable stress as design temperature. American Welding Society Education Department 550 NW LeJeune Rd Miami Fl 33126. Jul 23, 2014 · Hydrotest - Download as a PDF or view online for free. HYDROSTATIC TESTING OF PIPELINES PART 1 G E N E R A L 1. PIPELINE HYDROTESTING PROCEDURE. Hold this pressure for a period of 2 hours and add water whenever the pressure drops by 20kPa in order to maintain a steady pressure. pipeline measured at the highest elevation along the test section and not less than 1. Report DMCA. Date: August 2020. Dec 30, 2023 · Dive into our comprehensive guide on hydrotesting of pipeline systems, where we explore the crucial role of hydrostatic testing in ensuring pipeline safety. What is the intent of the word "Maintenance"? and re‑attached to the pipeline receiver. Remembering excerpts from the code is neither necessary nor desirable. 4500055135 DTD 25TH NOV 2011 Document Ref No, rd : MS/AMPTPL-Techno/FF/05 dated 03 Sep 2012 Pressure Test Test Preparation a. Filling of test line shall be carried out in two stages: Stage 1: Fresh/brackish water from source will be pumped into tank. NAWPPL-BIMS-NPPL-320-YL-PRO-00002_003_WATER FILLING AND HYDRO TESTING PROCEDURE Pipelines Sub-Section No. In Chapter 3 we have observed that pipeline construction is considered to be complete only after the pipeline has been subjected to a hydrostatic test. aer. The content in this DVD is also available on AWWA Video Streaming. Hydrotest Risk Assessment : In industries where high-pressure systems are prevalent, such as oil and gas, chemicals, and manufacturing, hydrostatic testing is a critical procedure to ascertain the structural soundness of equipment before they are put into operation. 3 Exclusions to this standard are listed in SAES-A-004. 5. This process involves pressurizing the equipment with liquid Hydrotest and Flushing Procedure - Free download as PDF File (. Your Phase 1 Test Pressure = kPa. Dec 1, 2019 · Hydrostatic Test in Piping: Hydrotest Vs Pneumatic Test. The design pressure of the pipe is 400 psig and design temperature is 500°F. The procedure outlines preparation Except for service lines and plastic pipelines, each segment of a pipeline that is to be operated below 100 p. 5 times the design pressure of the 1. txt) or read online for free. This test involves pressurizing the system with water to a predetermined level and holding it for a specified duration to identify leaks, evaluate welded joints, and determine the system’s Dec 1, 2023 · Pipeline hydrostatic testing is a crucial procedure for ensuring the safety and structural integrity of pipeline systems. 1/68. It outlines responsibilities for personnel involved, required equipment, and test procedures. Hydrostatic Testing is a standard practice in the oil and gas, water, and chemical industries wherever liquid May 27, 2021 · Fill the pipeline with a liquid, mostly water, unless its material is incompatible with water. Dec 19, 2023 · The hydrostatic test procedure for pipelines is systematic and thorough. 25-hour strength The hydrostatic field test or hydraulic test on the GRP/GRE line, or on the section of it, is required to verify the hydraulic sealing of the system at the testing pressure and then, indirectly, its structural integrity. 00. 4 All spades, blind flanges, etc installed for testing shall be. This pressure is maintained for a predetermined period to 008_field Hydrotest Procedure - Free download as PDF File (. piping and vessels, while providing guidelines on some issues th at may arise. Initially, the pipeline is cleared of any contents and carefully inspected for visible damage or defects. 01 SECTION INCLUDES A. The water that is used in this testing can cause corrosion of the pipe, potentially leading to failure early in its operating life. App. PIPELINE PRE-COMMISSIONINGPRE-QUALIFICATION DOCUMENT. Sep 5, 2013 · Pre-commissioning and commissioning has to be done for the entire system, along with the terminal facilities and supporting systems. 9. The code permits the use of golden welds for tie-ins because it is often necessary to divide pipelines into test sections and install Calgary, Alberta . Failures have occasionally been reported 334757857-GRE-Hydrotest-Procedure. Volume required for the Hydro testing. The pipeline will be hydrostatically tested at a pressure of 25%, 50%, 90% and 100% of 2. In case of pneumatic test the test pressure shall not exceed 110 % of design pressure. PIPELINE HYDROTESTING PROCEDURE CONTRACT NO. Apr 29, 2019 · Hydrotest Procedure for Pipeline April 29, 2019 | Author: aike_5 | Category: Pipeline Transport , Leak , Pump , Specification (Technical Standard) , Oil Refinery | Report this link DOWNLOAD PDF HYDRO TESTING PROCEDURE 2. d. In addition to above this covers basic information regarding minimum requirement of supply, works Nov 16, 2017 · The hydrotest of the west segment of the Line 5 Dual Pipelines, which was comprised of a 4. Revision No : 0. Before the new piping system runs into operation, it is necessary to make sure that, they are correctly commissioned, and are ready to use. Apr 12, 2019 · Hydrostatic Testing . Pipeline Hydrotest Procedure - Free download as PDF File (. All variations in test pressure shall be accounted for. pdf), Text File (. 17. OFFSHORE CONSTRUCTION SPECIALISTS. A detailed pressure testing section should be in the Site-Specific Safety Plan (SSSP) for every project involving any pressure testing. NOTE In this document, all pressures are relative pressures expressed in bars, where 1 bar = 0,1 MPa. Type: PDF. 50 times the stated sustained working pressure at the lowest elevation of the test section. This is a common method for testing pipelines, vessels, and other pressure-containing components. doc / . Stage 2: Water will be pumped from the tanks to test header using filling pump. )2, which became federal standards under the Natural Gas Pipeline Safety Act passed by Congress in 1968. Pressure Equipment Safety. Jul 6, 2018 · Doc Ref : QCP-10. Also, pipelines intended for buried service should generally be tested with the backfill in place. This paper provided an overview of hydrotest, dewatering and dryness acceptance criteria including required equipment and test method for performing hydrotest. Problem: Determine the hydrotest pressure for a NPS 8 (DN 200) ASTM A106 Grade B pipe with nominal thickness of sch 40 (8. T2P 0R4 . Telephone: 403-297-8311 . LS 3 11-01-04 Revised as per Pembina’s mark-ups. Every aspect of the internet, we believe, ought to be free. 2 This standard covers mandatory requirements for pressure testing existing plant piping and pipelines for revalidation purposes or after repairs. 5. The pipeline will be hydro tested after completion and visual acceptance of the gauge plates from the pigging operation. May 1, 2023 · SCOPE. 1 Saudi Aramco References. This document is issued for purpose of the special process work procedure of “SCHEDULE “Q”. Cart (0) This video shows viewers step-by-step, AWWA-approved procedures for performing hydrostatic and leak tests for five commonly used types of water pipe: ductile-iron, polyvinyl chloride (PVC), polyethylene (PE), concrete, and steel. A hydrostatic test is performed following all new pipeline construction, prior to placing a pipeline into service and can also be performed on Welcome to DLSCRIB. HYDRO TEST • Ensure that minimum two pressure gauges are attached • The pressure gauges shall have an upper range of 2 times the test pressure but in no case less than 1. LS 4 11-01-05 Revised as per Pembina’s mark-ups. PRE-QUALIFICATION DOCUMENT. A sample standard pneumatic test procedure is provided in Appendix IV of this document. The procedure specifies that the test setup will pressurize the piping to 150% of the design pressure and hold it for at least 1 hour. Pt : Minimum Test Pressure. (689 kPa) gage must be leak tested in accordance with the following: ( a) The test procedure used must ensure discovery of all potentially hazardous leaks in the segment being tested. Hydrostatic testing is universally known and accepted as the primary means of demonstrating the fitness for service of a pressurized component. Jan 9, 2024 · The hydrostatic test procedure starts with a thorough inspection of the pipeline, ensuring it is in a condition suitable for testing. This initial step is crucial to ensure that the pipeline is in a condition suitable for testing. pdf - Free download as PDF File (. Hydrostatic testing is commonly used to assess the structural integrity of pressure vessels, pipelines, and other pressure-related equipment. Hydrostatic pressure testing is used in the commissioning and re-commissioning of pipelines, leak tests, and major repairs or replacements. The test will be conducted in sections at a pressure of 1. Toll free: 1 -855-297-8311 . Date : 1st January 2009. This specification defines the technical requirements for performing the hydrostatic testing of a pressure piping system to assess the installed structural integrity of the piping for acceptability and to reveal the occurrence of faults or defects of an assembled piping system. Hydrotest and Flushing Procedure Hydrostatic Testing is the preferred method of testing because it generates considerably less stored energy than pneumatic testing and involves less risk to workers. View PDF. 5 times or more than 4 times the test pressure. 3. . 1 Scope. It does not cover testing of pipelines for gas. 02 UNIT PRICES A. Project Company Contractor Document Jun 12, 2021 · Here are key reasons why hydrostatic testing is significant: 1. O. The hydrotest of the east segment of the Line 5 Dual Pipelines, which was comprised of a 4. 5 Times of Design Pressure. 44 Lake Street, P. Learn about the testing process, the importance of test pressure, the use of advanced testing equipment, and the tailored approach for different pipeline systems to maintain structural integrity and operational efficiency. Feb 27, 2016 · A847. 1 It should be noted that this is in contrast to the requirements of AB-532: Application-Specific Pneumatic Test Procedures, which requires design registration of testing manifolds for pneumatic tests within its scope. When complete, the vessel returns to the launch site and deploys the ROV to commence the hydrotest process. Water cannot be compressed like Pipeline hydrotest procedure pdf Hydrotest, also known as the Hydrostatic test is a vital procedure in both construction and maintenance of the piping system. 5 bar(g) for 4 hours to check for leaks. The Swedish VAV P78 method has been adopted by Standards Australia in AS/NZS 2566. or call the Education Department at: 1-800-443-9353 It is vital the student's copy of the code is physically open to the page under consideration. i. 8. A hydrostatic test or hydro test is a widely used method to ensure leak tightness and safety of pressure vessels, piping systems, pipeline systems, plumbing systems, tanks, boilers, cylinders, and other system components. CONCLUSION. Hydrotest Procedure for Piping Systems - Free download as Word Doc (. 01 DESCRIPTION This section describes the requirements and procedures for pressure and leakage testing of all pressure mains. For the initial expansion phase, make-up water is added as required to maintain the test pressure for three (3) hours. Testing In The Trench: • Fill the pipeline with water after it has been laid; bleed off any trapped air. This document provides a hydrotest procedure for pressure testing a 7,000m HDPE pipeline that will transport water from a river intake to a water treatment site. HIRA for Hydro test of Tank List Price: $20. The seals will be visible, in order to allowing the inspection unless or stated by the Client or its representative. Hydrotest Procedure for Piping - Free download as Word Doc (. This shall be done by the water company. Jun 16, 2020 · Generally, hydrostatic testing refers to the process of testing specific pressure vessels, such as tanks, plumbing systems, and pipelines. 25-hour strength test followed by a 4. Hydrostatic testing is a carefully planned and controlled process that gives Enbridge an opportunity to confirm a threshold measurement for safe operations, according to federal regulatory standards. To summarize: • The test pressure measured at the point of lowest pressure (highest elevation) shall not be less than 125% of the anticipated maximum working pressure May 22, 2023 · Hydrostatic testing is a specific type of hydro test that involves filling the system or component with water and pressurizing it to a specified level. 8KB Author: Lee Bumyul This document was uploaded by user and they confirmed that they have the permission to share it. Test duration of prefabricated piping may be 2 hr. 10 Procedure for determining level of cleanliness of pipeline. Visually inspect the pipe length for leakage. The construction of a pipeline can be compared with a moving assembly line. Hydro test water will be transferred to the next section to be utilized for the hydrostatic testing. The applied hydrostatic test pressure shall be in accordance with Project Particular Data Sheet on Item 4. BP projects in Azerbaijan in the past ten years have installed oil and gas export lines, interfield lines, water injection lines and produced water lines, with a total length in excess of 1000 km- all of which required hydrotesting. These guidelines are in sections B31. LTD CLIENT : AMPTPL NAME OF THE WORK : Fire fighting system CONTRACT NO & DATE : PO. This can be a very laborious process with a lot of vessel and ROV transit — which increases time and cost. HYDROTEST PROCEDURE FOR UNDERGROUND INSTALLATION OF GRP PIPES TITLE PACKAGE PROJECT CLIENT CONTRACTOR HYDROSTATIC TESTING OF PRESSURE PIPELINES PART 1 GENERAL 1. Key steps include pre-testing inspection to generate punch lists, applying test pressure levels and Jun 30, 2022 · A boiler hydro test is a stress procedure used to determine the integrity of all aspects of a given boiler unit. St: Allowable stress at test temperature. The ASME Code for Pressure Pipe, in B31. For the test phase, the test pressure is reduced by 10 psi, If the pressure remains steady (within 5% of the target value The document provides a hydro test procedure for newly constructed pipeline for the Berri Development Onshore Flowlines & Tie Ins Project. It details the testing and inspection organization, equipment, testing steps including water filling, pressurization, holding, and dewatering. Completed pipelines shall be hydrostatically tested as soon as practically possible after documentation completion and approval. : â ¦. Provide written procedures to manage the remaining hazards and be prepared to train all workers associated with pressure testing to be familiar with those procedures. A critical step in proving a pipeline is fit for operational use is the hydrostatic test, in which it is filled with water and pressurized to 125% of its Maximum Allowable Operating Pressure (MAOP). 3, requires the hydro-test as follows: Hydro-Test Pressure = Design Pressure X 1. P : Internal design pressure. , DN280), the following are the recommended procedures for field pressure testing. The construction of large-scale cross-country pipelines involves a multitude of activities. This testing process involves filling pipelines, pressurized vessels, or gas cylinders with water or another incompressible fluid, and then applying hydrostatic pressure to a level that exceeds their normal operating Aug 7, 2018 · 8/21/2019 Precommissioning Procedure. Procedure of Hydro test. It also details the requirements for test records including pressure and temperature readings that Download Procedure For Rtr Pipeline Hydrotest. This document provides procedures for pressure testing, flushing, and air blowing of piping systems. ( b) Each main that is to be operated at less the pipeline installation to confirm adequacy of the fusion, laying, embedment procedures, and then later to progressively increase the length of test section as experience is gained. This document outlines the cleaning and hydrostatic testing procedure for a 1,293 meter long, 12-inch diameter oil pipeline in Soroako, Sulawesi Selatan, Indonesia. s. pdf. Hydro testing test Pressure. 1002 and 250. Field hydrostatic testing of new water pipelines. txt) or view presentation slides online. Limitations of Pneumatic Test. This document specifies site hydrostatic acceptance tests for installed pressure and non-pressure ductile iron pipelines used for conveying water and other liquids. 41578/A/0001/UK/En PIPELINE PRE-COMMISSIONING. Apr 29, 2019 · By Chk. LS 2 10-11-17 Revised as per Pembina’s mark-ups. Jan 2, 2020 · This blog gives you brief information regarding, hydrostatic testing of piping or pipelines. Additionally, hydrostatic testing also allows you to identify and locate leaks in these vessels, which can weaken the vessel’s strength. 4, requires the hydro-test at 1. Partner Sites Youtube to Mp3 Converter About Us This project started as a student project in 2014 and was presented in 2017. . If you are author or own the copyright of this book, please report to us by using this DMCA report form. 5 X (Stress Value of the metal at test temperature / Stress Value of the metal at design temperature) The test pressure for hydrostatic test shall not be less than 1. A Revision Page 2 of 12 EPCC OF BUKIT TUA DEVELOPMENT PROJECT Download Wara Pipeline Hydrotest Procedure Rev-a. Commence raising the pressure at the filling point to the operating pressure or a pressure of 500kPa, whichever is higher. Pipeline De watering, Cleaning & Drying. CJ GLS Building #07-02Singapore 608839. 9 Procedure for water sampling and analysis. Discover the essential insights into the hydrotesting process, ensuring a thorough understanding of how it safeguards and validates the robustness of pipelines. Feb 1, 2013 · scope: This RP applies to all parts of a pipeline or pipeline facility including line pipe, pump station piping, terminal piping, compressor station piping, metering station piping, delivery station piping, regulator station piping, appurtenances connected to line pipe, appurtenances connected to facility piping, fabricated assemblies, valves, tees, elbows, reducers, flanges, and any other The ASME code for pressure piping, B31, provides guidance for the use of golden welds. 2. : ESS 2. Scribd is the world's largest social reading and publishing site. The purpose of this report on hydrotesting deepwater pipelines is to provide industry-based BASM guidance to BSEE pertaining to certain alternate procedures and equipment (alternate-compliance) requests from the regulations in 30 CFR 250 Subpart J, specifically paragraphs 250. This Best Practice specifies the major requirements of hydrostatic testing of pressure. vb Aug 13, 2023 · Introduction. 2 Objective. This document outlines the hydrostatic testing procedure for piping systems. pipeline section(s). 5x design operating pressure. These procedures should not be applied for air-pressure testing because of the serious safety hazards involved with compressed air. Type: PDF TXT Date: January 2020 Size: 160. The chart is driven mechanically and a pen marks the hydro test chart via a pointer arm. Date Revision Description By Chk'd Appr. Hydrostatic pressure diameters (i. 5 X P X St) / S. 4. Email: inquiries@aer. Test pressure subjected to external pressure. Include cost in unit price of pipelines being tested. 5 Upon completion of test, the system shall be reinstated to itsdesigned conditions. The selection of material and equipment, and the design, construction, maintenance, and repair of equipment and facilities covered by this standard shall comply with the latest edition of the references listed below, unless otherwise noted. 2. The pressure is held for a set amount of time to ensure no leaks or failures. ca If the line is underground, check that this a completely ballasted and such the thrusts date to the pneumatic internal press is all sustained by the soil or by thrust anchoring blocks. Following this, the pipeline is filled with water, which acts as a non-compressible fluid ideal for this kind of pressure testing. Industry acceptance criteria for hydrotest is maximum of 0. Saudi Aramco Engineering Procedures. Offshore Const ruction Specialists (OCS)20 Toh Guan Road. 2 Buried flexible pipelines Part 2: Installation, AS/NZS 2033-Installation of PE pipelines, and by the Water Services Download Free PDF. 6. 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