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Previous Issue: 19 October 2005 Next Planned Update: 22 June 2014 Revised paragraphs are indicated in the right margin Page 1 of 15 Primary contact: Britton, Richard Leo on 966-3-8621297
Copyright©Saudi Aramco 2009. All rights reserved.
Materials System Specification
34-SAMSS-119 22 June 2009
Bi-Directional Meter Prover
Custody Measurement Standards Committee Members Fadhl, Khalid Ahmed, Chairman Roumi, Sulaiman Hamad, Vice Chairman Awami, Luay Hussain Bakhsh, Abduljalil Hamed Britton, Richard Leo Far, Husain Salah Grainger, John Francis Hijji, Abdullah Saleh Jumah, Yousif Ahmed Khan, Farooq Saeed Marri, Saeed Mohammad Othman, Fahad Adel Rockwell Jr., William Allen Sanna'A, Zaki Abbas Shaikh Jaffar, Abdullah Mohammed Torairi, Mohammed Saleh Trembley, Robert James
Saudi Aramco DeskTop Standards Table of Contents 1 Scope............................................................. 2 2 Conflicts and Deviations................................. 2 3 References..................................................... 2 4 Definitions...................................................... 5 5 General Requirements................................... 6 6 Modifications to Industry Standard................. 7 7 Testing and Inspection................................. 13 8 Accessories.................................................. 14 9 Identification Tagging................................... 14 10 Shipping Requirements................................ 15 11 Documentation............................................. 15
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
Page 2 of 15
1 Scope
This specification defines the minimum mandatory requirements for sphere-type bi-
directional meter provers for use proving or calibrating royalty and custody transfer
meters in crude oil, liquid petroleum products and non-refrigerated liquefied petroleum
gases (e.g., butane, propane, mixed LPG's) service. The specification covers the
requirements of a complete skid-mounted, packaged unit, including the pipe-prover,
outlet block valve, control valve, piping, local instruments and auxiliary equipment for
meter proving.
2 Conflicts and Deviations
2.1 Any conflicts between this specification and other applicable Saudi Aramco
Materials System Specifications (SAMSSs), Engineering Standards (SAESs),
Standard Drawings, (SASDs), or industry standards, codes, and forms shall be
resolved in writing by the Company or Buyer Representative through the
Manager, Process & Control Systems Department of Saudi Aramco, Dhahran.
2.2 Direct all requests to deviate from this specification in writing to the Company or
Buyer Representative, who shall follow internal company procedure SAEP-302
and forward such requests to the Manager, Process & Control Systems
Department of Saudi Aramco, Dhahran. The Chairman, Custody Measurement
Standards Committee, shall be solely responsible for interpreting this material
specification and determining whether a vendor's proposal meets the requirements
contained herein.
3 References
Material or equipment supplied to this specification shall comply with the latest edition
of the references listed below, unless otherwise noted.
3.1 Saudi Aramco References
Saudi Aramco Engineering Procedures
SAEP-21 Project Execution Requirements for Saudi Aramco
Royalty/Custody Metering Systems
SAEP-50 Project Execution Requirements for Third Party
Royalty/Custody Metering Systems
SAEP-302 Instructions for Obtaining a Waiver of a
Mandatory Saudi Aramco Engineering
Requirement
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
Page 3 of 15
Saudi Aramco Engineering Standards
SAES-A-112 Meteorological and Seismic Design Data
SAES-H-100 Painting Requirements for Industrial Facilities
SAES-H-101 Saudi Aramco Paints and Coating Systems
SAES-N-001 Basic Criteria, Industrial Insulation
Saudi Aramco Materials System Specifications
01-SAMSS-010 Fabricated Carbon Steel Pipe
01-SAMSS-017 Auxiliary Piping for Mechanical Equipment
01-SAMSS-035 API Line Pipe
02-SAMSS-009 Design and Fabrication of Scraper Traps
04-SAMSS-001 Gate Valves
04-SAMSS-041 Expanding Plug Valve
04-SAMSS-042 4-Way Diverter Valve
09-SAMSS-080 Shop Applied Baked Internal Coatings
12-SAMSS-007 Miscellaneous Steel Structures
17-SAMSS-515 Auxiliary Electrical Systems for Skid-Mounted
Equipment
34-SAMSS-611 Safety Relief Valves
34-SAMSS-711 Globe Control Valves
34-SAMSS-718 Electric Motor Operated Valve Actuators
34-SAMSS-831 Instrumentation for Packaged Units
Saudi Aramco Standard and Library Drawings
AB-036019 Thermowell Assembly and Detail
AC-036045 Details Vent, Drain and Sample Connections
AE-036175 Details of Heavy Welding Boss for Threaded
Connections to Vessels and Lines
AA-036513 Custody Transfer Metering and Proving Station
(Liquid), Typical Schematic
AB-036646 Royalty & Custody Transfer Metering and
Proving Station (Liquid), Schematic
DC-950040 Pressure Indicators & Switches Locally Mounting
Instrument Piping Details
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
Page 4 of 15
Saudi Aramco Forms and Data Sheets
8020-119-ENG ISS for Bi-Directional Meter Prover
8020-200-ENG ISS for Pressure Transmitters-Smart (Abs., Gage
and DP)
8020-212-ENG ISS for Pressure and Differential Pressure Gauges
8020-213-ENG ISS for Pressure and D/P Switches
8020-400-ENG ISS for Temperature Transmitters
8020-416-ENG ISS for Resistance Temperature Detectors
8020-418-ENG ISS for Thermowells
8020-611-ENG ISS for Safety Relief Valves
8020-711-ENG ISS for Globe/Angle Control Valves
8020-718-ENG ISS for Electric Motor Operated Valve Actuators
8020-831-ENG ISS for Package Unit Instrumentation
Form 175-342800 Bi-Directional Meter Prover
NMR-7907 Non Material Requirements
3.2 Industry Codes and Standards
API Manual of Petroleum Measurement Standards (MPMS)
Chapter 4.2 Displacement Provers, 3rd
Edition, Sept., 2003
Chapter 4.7 Field Standard Test Measures
Chapter 4.8 Operation of Proving Systems
Chapter 7 Temperature Determination
Chapter 11.2.3 Water Calibration of Volumetric Provers
Chapter 11.2.3M Water Calibration of Volumetric Provers (Metric)
Chapter 12.2.4 Calculation of Base Prover Volume by Waterdraw
Method
Other API Standards
API SPEC 5L Specification for Line Pipe
American National Standards Institute
ANSI C80.1 Rigid Steel Conduit – Zinc Coated (GRC)
AWS D1.1 Structural Welding Code-Steel
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
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ASME B31.3 Chemical Plant & Petroleum Refinery Piping
ASME B1.20.1 Pipe Threads, General Purpose (Inch)
NFPA 70 National Electrical Code
National Electrical Manufacturers Association
NEMA RN 1 Polyvinyl-Chloride (PVC) Externally Coated
Galvanized Rigid Steel Conduit and
Intermediate Metal Conduit
International Electrotechnical Commission
IEC 60751 Industrial Platinum Resistance Thermometer
Sensors
4 Definitions
Buyer or Purchaser: The Company (Saudi Aramco, AOC, or ASC) actually placing
the order for the material. The buyer can be a third party metering customer.
Buyer's Representative: The person acting on behalf of the Buyer, who may be from
the Engineering, Inspection, Purchasing, or User organization.
Custody Transfer Measurement: A specialized form of measurement that provides
quantity and quality information used for the physical and fiscal documentation of a
change in ownership and/or responsibility of commodities. The following
measurements are custody transfer measurements:
Measurement of hydrocarbon liquid or gas movements (deliveries or receipts)
between Saudi Aramco and its customers, suppliers, or transport contractors.
Measurement of hydrocarbon liquid or gas transfers between Saudi Aramco
refineries, fractionation plants, bulk plants, terminals, pipelines, VELA ships,
etc., where the measurement is used for accounting or loss control.
Nearshore: Any outdoor, onshore location within one kilometer from the shoreline of
the Arabian Gulf; all of the Ras Tanura Refinery and Terminal; and within three
kilometers from the shoreline of the Red Sea.
Prover Skid: The field portion of a metering system consisting of the meter prover,
outlet block valve, flow control valve, piping, instruments, electrical equipment and
associated structural steel.
Third Party Inspector: An independent inspection agency whose function is to
conduct an unbiased inspection of certain systems, equipment, materials, etc., against a
set of standards, guidelines or procedures. For purposes of this SAEP, the Third Party
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
Page 6 of 15
Inspector has particular knowledge of and experience with industry custody
measurement standards and procedures.
Vendor: The party that supplies or sells integrated metering systems, metering
equipment, or components.
5 General Requirements
5.1 Design Criteria
The prover shall be furnished in accordance with Instrument Specification
Sheet, Form 8020-119-ENG.
5.2 Units of Measurement
The units of measurement shall be either U.S. Customary or metric units as
designated on Instrument Specification Sheet, Form 8020-119-ENG.
5.3 Environmental Conditions
5.3.1 Temperature
Equipment and instrumentation shall operate continuously under the
following ambient air temperatures without any degradation of the
manufacturer's guaranteed performance:
Indoor Air Conditioned
Outdoor Sheltered
(1)
Outdoor Unsheltered
Maximum 35°C (95°F)
55°C (131°F)
65°C (149°F)
Minimum 10°C (50°F)
0°C (32°F)
0°C (32°F)
Note: (1): "Sheltered" refers to permanent, ventilated enclosures or buildings,
or permanently fixed sunshades with a top and three sides".
5.3.2 Outdoors
Equipment and instrumentation shall be designed to operate under the
environmental and meteorological conditions specified SAES-A-112.
5.3.3 Offshore and Near-shore Environment
Equipment and instrumentation which is not enclosed or hermetically
sealed, but is situated offshore or nearshore, shall be protected against
corrosion and operational failure due to wind-borne sea water spray and
the accumulation of wetted salt (NaCl).
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
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6 Modifications to Industry Standard
The following paragraph numbers refer to API Manual of Petroleum Measurement
Standards, Chapter 4, Proving Systems, Section 2, "Displacement Provers", 3rd
Edition,
September 2003 (API MPMS Chapter 4.2) which is a part of this specification. The
text in each paragraph is an addition, modification, exception, or deletion to the
requirements of API MPMS Chapter 4.2, as noted.
6.1 Para. 2.6 (Temperature Stability)
(Addition): The prover calibrated section shall be insulated in accordance with
SAES-N-001 unless otherwise instructed on the Instrumentation Specification
Sheet, Form 8020-119-ENG.
6.2 Para. 3.1 (Materials & Fabrication)
(Addition): Provers, including the prover loop, shall be skid-mounted. The skid
shall be designed to ensure a practical overall size for shipping and
transportation. General requirements shall be per Saudi Aramco Drawings
AB-036646 for Royalty measurement and AA-036513 for Custody
measurement. Structural welding shall meet the requirements of AWS D1.1.
Stairs or side step ladders shall be provided for equipment and instruments that
are not easily accessible from grade level. Minimum platform clear width shall
be 0.70 meter. Galvanized steel grating shall be used that complies with the
requirements of 12-SAMSS-007. Beam, davit properly positioned and or lifting
lugs shall be provided for entire skid mounted units and also for components
weighting in excess of 20 kg, and which cannot be handled properly by a sling.
All skid-mounted piping and pressure containing components shall be designed
and constructed in accordance with ASME B31.3 and 01-SAMSS-010. Welding
bosses shall be installed in accordance with Standard Drawing AE-036175. An
approved vendor shall provide the prover.
(Addition): Seamless pipe meeting the requirements of ASME B31.3 shall be
used when the required pipe diameter is 24 inches or less. API SPEC 5L Grade
B or X60 straight seam pipe manufactured by the submerged arc welding
process shall be used when the required pipe diameter is greater than 24 inches.
Internal weld seams in the calibrated section (including the longitudinal weld
seam for SAW pipe) shall be machined or ground smooth and shall be free of
any grooves.
(Addition): The following Saudi Aramco specifications shall apply:
01-SAMSS-010 Fabricated Carbon Steel Pipe
01-SAMSS-017 Auxiliary Piping for Mechanical Equipment
01-SAMSS-035 API Line Pipe
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
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(Addition): The allowable tolerance of the prover piping shall be in accordance
with API SPEC 5L.
(Addition): Long radius (3R) elbows shall be used for all bends between
detector switches (calibrated section).
(Addition): Flange connections shall be provided on the interchange side of
both detector switches to permit removal of the calibrated section without
disturbing the interchange portion of the prover.
(Addition): Process connections for pressure and differential instruments shall
be ½ inch NPT tapered thread per ASME B1.20.1.
(Addition): All electrical wiring, terminations and other requirements shall be in
accordance with 34-SAMSS-831; Instrument Specification Sheet, Form
8020-831-ENG; and 17-SAMSS-515.
(Addition): Conduit shall be threaded, rigid steel per ANSI C80.1 and shall be
hot-dip galvanized per NEMA RN 1.
(Addition): Conduit fittings shall be cast or forged steel, cast iron or malleable
iron, either hot-dip galvanized or zinc electroplated.
(Addition): Supplies to DC instrument loads: Voltage stabilization shall be
provided to maintain the output voltage within tolerable limits of the loads
served.
(Addition): All field transmitters shall be installed facing the same direction to
ease maintaining and calibrating the instruments.
6.3 Para. 3.2 (Internal & External Coating)
(Addition): The internal surfaces of the calibrated section shall be coated with a
baked-on phenolic coating in accordance with 09-SAMSS-080.
(Addition): External steel surfaces shall be painted as follows unless otherwise
specified:
Onshore Installations
Non-galvanized steel shall be coated in accordance with SAES-H-101, APCS-4.
SAES-H-100 shall apply.
Offshore Installations
All steel shall be coated in accordance with SAES-H-101. SAES-H-100 applies.
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
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Commentary Note:
The Vendor may propose an alternate surface preparation and finishing system with the quotation, for Buyer's approval.
6.4 Para. 3.3 (Temperature Measurements)
(Exception): A temperature transmitter shall be installed on the outlet piping of
the prover. A test thermowell with chained plug shall be installed downstream
of temperature transmitter at a distance not to exceed 0.3 m. A second test
thermowell with chained plug shall be installed on the inlet piping of the prover.
(Addition): Thermowells shall be furnished in accordance with Instrument
Specification Sheets, Form 8020-418-ENG.
Thermowells shall be installed in accordance with Standard Drawing AB-036019.
(Addition): The transmitter shall be a microprocessor based smart unit that uses
a platinum resistance temperature detector (RTD) as its primary element. The
temperature transmitter and RTD shall be furnished in accordance with
Instrument Specification Sheets, Form 8020-400-ENG and Form
8020-416-ENG, respectively. The RTD shall be Pt100, four-wire design, with
an alpha coefficient of 0.00385 per IEC 60751. The calibrated span of the
transmitter shall normally be -18 to 65°C (0 to 150°F). The overall
transmitter/RTD accuracy shall be ±0.2% of the calibrated span or better.
(Modification): Temperature instruments shall meet the requirements of
API MPMS 7.
6.5 Para. 3.4 (Pressure Measurements)
(Exception): A pressure transmitter and a pressure gauge shall be installed
downstream of the test thermowell on the outlet piping of the prover. A second
pressure gauge shall be installed upstream of the test thermowell on the inlet
piping of the prover.
(Addition): The pressure transmitter shall be furnished in accordance with the
Instrument Specification Sheet, Form 8020-200-ENG. The pressure transmitter
shall be a microprocessor based smart unit with a reference accuracy of
±0.075% of calibrated span or better and shall be provided with over-range
protection. Pressure sensor installation manifolds shall have vent, drain and test
connections.
(Addition): Pressure gauges shall be furnished in accordance with the
Instrument Specification Sheets, Forms 8020-212-ENG. Pressure gauge
accuracy shall be ±0.5 % of span or better. The standard ranges shall be
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
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selected such that the normal operating pressure falls between 30% and 70% of
the scale range. Pressure gauges shall be glycerin filled.
(Addition): The pressure transmitter and gauges shall be installed in accordance
with Detail 1 or 2, as applicable, of Library Drawing DC-950040.
6.6 Para. 3.5.1 (Sphere Displacers)
(Addition): Sphere materials shall be compatible with the product to be
handled.
6.7 Para. 3.6 (Valves)
(Addition): A block valve shall be furnished on the outlet of the prover
assembly.
(Addition): In liquefied petroleum gas (LPG) applications, the outlet block
valve shall be a double block-and-bleed plug valve meeting the requirements of
04-SAMSS-041. The cavity bleed on the double block-and-bleed valve shall be
equipped with a pressure gauge, and isolation valve which is capable of
discharging to a flare or other safe location.
(Addition): In crude oil and petroleum product applications, the outlet block
valve shall be a gate valve meeting the requirements of 04-SAMSS-001.
(Addition): In all cases, the outlet block valve shall be furnished with an electric
motor operated actuator meeting the requirements of 34-SAMSS-718 and
Instrument Specification Sheet, Form 8020-718-ENG. The operator shall be
capable of manual operation in the case of loss of power.
(Addition): A globe-type control valve shall be installed in the outlet piping
between the pressure transmitter/gauge and outlet block valve. The valve shall
meet the requirements of 34-SAMSS-711 and Instrument Specification Sheet,
Form 8020-711-ENG.
6.8 Para. 3.7 (Connections)
(Addition): Vents shall be installed at high points on the prover launch
chambers to permit removal of trapped air. No vents or drains shall be installed
between detector switches. The number of vents and drains on the inlet piping
to a prover shall be kept to a minimum. All vent and drain connections except
those on the prover outlet piping shall be provided with a means to permit
examination for, or prevention of, leakage during operation of the prover. Each
such drain connection shall be furnished with a spectacle blind on the discharge
side of the drain valve. The skid drain system piping shall slope to a single
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
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discharge point. Vent, drain and sample connections shall be per Standard
Drawing AC-036045.
(Addition): A single thermal relief valve shall be installed between the prover
4-way valve and the control valve. The relief valve shall meet the requirements
of 34-SAMSS-611 and Instrument Specification Sheet, Form 8020-611-ENG.
6.9 Para. 3.7.1 (Connections for Prover Calibration)
(Addition): Two 3-inch or larger water draw connections shall be provided for
each pipe prover. One connection shall be located upstream of the pressure
gauge and test thermowell on the inlet piping. The other connection shall be
located between the temperature and pressure instruments, and the control valve
on the outlet piping.
6.10 Para. 3.7.3 (Flange Connections in the Calibrated Section)
(Addition): For all provers other than portable provers, flanged connections
shall be used for all bends located between detector switches (calibrated
section).
(Addition): Flanges installed between the detector switches shall be flat faced,
match bored, doweled and match-number die stamped in pairs. Flange o-ring
material shall be compatible with the liquid to be measured.
6.11 Para. 3.8 (Detectors)
(Addition): Detector switches shall be mechanical type with hermetically sealed
contacts and shall be suitable for installation in a Class 1, Division 2 area per
NFPA 70, National Electrical Code.
(Addition): Detector switches shall have a repeatability of 0.2 mm or less.
(Addition): Each detector switch shall be non-adjustable and shall be provided
with a means for sealing the switch in place with a lead-and-wire seal.
6.12 Para. 3.12.2 (Launching/Receiver Chambers)
(Addition): Prover ball launching chambers shall have a 45-degree inclination
downwards toward the calibrated section.
(Addition): Each launch chamber shall be fitted with a quick-opening closure
which conforms to 02-SAMSS-009. Threaded closures shall not be used.
6.13 Para. 3.12.3 (Flow Reversal)
(Addition): The 4-way diverter valve shall be in accordance with
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
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04-SAMSS-042. The valve shall be fitted with the Vendor's standard hydraulic
operator, or an electric motor operator meeting the requirements of
34-SAMSS-718 and Instrument Specification Sheet, 8020-718-ENG.
(Addition): The 4-way diverter valve shall be sized to ensure that maximum
velocity through the port is less than 4.6 m/s (15 ft/s) and shall be provided with
a differential pressure indicating switch, to allow monitoring of the valve seal
during proving.
(Addition): If the 4-way diverter valve is equipped with a hydraulic operator, an
electro-hydraulic system shall be furnished to power the valve.
(Addition): A snap-acting-type differential pressure-indicating switch meeting
the requirements of Instrument Specification Sheet, Form 8020-213-ENG, shall
be furnished to provide remote indication of 4-way valve seal integrity. The
switch shall have a normal range of at least 10 psia to 30 psia as a minimum.
The switch shall have hermetically sealed contacts and shall have a repeatability
of ±1.5% of full-scale range.
6.14 Para. 4.3.3 (Volume)
(Modification): The minimum volume between the detector switches shall be
sufficient to ensure the accumulation of at least 10,000 unaltered pulses during
each 1-way trip of the prover displacer.
(Addition): The K factor (pulse output per unit volume) used for prover sizing
shall equal 95% of the lowest nominal K factor from the meters to be proved.
For turbine meters, the K factor used for prover sizing will normally come from
the largest meter.
6.15 Para. 4.3.4 (Displacer Velocities)
(Addition): If the prover will be used for proving multiple meters, the prover
shall be sized to handle the anticipated maximum and minimum flow rates of the
largest and smallest meters, respectively.
6.16 Para. 4.3.4.1 (Maximum Displacer Velocities)
(Modification): The prover diameter shall be selected to limit the sphere
displacer velocity in the calibrated section to 1.5 m/s (5 ft/s) at the maximum
normal linear (continuous) flow rate for the largest meter to be proved.
6.17 Para. 4.3.4.2 (Minimum Displacer Velocities)
(Modification): The prover shall be designed to maintain the displacer velocity
above 0.15 m/s (0.5 ft/s) at the minimum design flow rate.
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Issue Date: 22 June 2009
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6.18 Para. 4.3.6 (Minimum Calibrated Section Length)
(Addition): The minimum distance between the detector switches shall be
10 meters.
6.19 Para. 4.3.7 (Pre-Run)
(Addition): The maximum normal linear flow rate of the largest meter to be
proved shall be used to determine the minimum pre-run length.
7 Testing and Inspection
7.1 Hydrotest
Prior to application of internal coating, external paint and insulation, all piping
and piping components shall be hydro-tested in accordance with ASME B31.3
and 01-SAMSS-010.
7.2 Prover Calibration
The prover volume shall be calibrated at the factory using the waterdraw method
in accordance with API MPMS Chapters 4.8, 11.2.3 or 11.2.3M, as applicable,
and 12.2.4. The basic functionality of the prover shall be verified during the
factory calibration.
The prover calibration shall be conducted by an approved third-party inspector
and witnessed by Saudi Aramco.
Sphere inflation shall not be less than 2% nor more than 4% of the inside
diameter of prover calibrated section. The actual sphere inflation shall be
annotated on the prover calibration certificate.
7.3 Factory Acceptance Test (FAT)
If the prover is furnished as part of a metering system, its performance shall be
verified as part of the FAT for the metering system in accordance with the
requirements set forth in SAEP-21 or SAEP-50, as applicable.
7.4 Site Acceptance Test (SAT)
The performance of the meter prover and associated equipment shall be verified
during a SAT in accordance with the requirements set forth in SAEP-21 or
SAEP-50, as applicable.
7.5 Inspection
Items manufactured to this Specification are subject to the minimum Inspection
Document Responsibility: Custody Measurement 34-SAMSS-119
Issue Date: 22 June 2009
Next Planned Update: 22 June 2014 Bi-Directional Meter Prover
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requirements as specified in Saudi Aramco Inspection Requirements Form
175-342800.
8 Accessories
The Vendor shall provide the following accessories:
Sphere extractor tool.
Filler pump and all connection & fittings needed to inflate the sphere, for sphere-
type displacers.
Sizing-ring or calipers for sizing the sphere.
Two spare spheres with storage hangers.
Two spare detector switches.
Two spare seals for quick opening closures
The Vendor shall furnish standard test measures meeting the requirements of API
MPMS Chapter 4.7 as specified on the Instrumentation Sheet, Form 8020-119-ENG.
The test measures shall have volumes calibrated "to deliver" by the U. S. National
Institute of Technology and Standards or other approved weights and measures agency.
9 Identification Tagging
An identification tag of an AISI Series 300 (Austenitic) type stainless steel shall be
attached to the equipment securely with similar stainless steel or Monel fasteners. The
tag shall be marked by raised letters or die stamping with the following information and
shall be located so that the information can be read after the equipment is installed:
Purchase Order Number
Manufacturer
Part/Model Number
Serial Number
Material
Date of Manufacture
Equipment Tag No.
Pipe Size, Outside Diameter, Inside Diameter, Wall Thickness
ID, Wall thickness (inch/mm), Base Prover
Volume (U. S. bbl @ 60 F & Liter @ 15°C)
Coefficient of Cubical Expansion
Modulus of Elasticity (Kpa)
Design Nominal K-factor
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Manufacturer, Type and Thickness of Internal Coating
10 Shipping Requirements
10.1 General
All equipment and internals being shipped shall be braced and temporary
supports shall be provided, if required, to prevent damage during shipment.
10.2 Internal Protection
The internals of all piping, fabricated and assembled equipment shall be
completely cleaned and dried to the satisfaction of the Saudi Aramco Inspector.
A non-toxic vapor phase corrosion inhibitor (CORTEC VCI-609, or equivalent)
shall be applied to the internal surfaces of all piping fabricated and assembled
equipment.
10.3 External Protection
All external surfaces shall be prepared and coated in the shop with the complete
Saudi Aramco coating system (primer and final coats).
All bolts, nuts and the faces of open flanged connections shall be coated with
temporary protective coating such as petroleum paste.
Permanent blind flanges or covers shall be installed with the gaskets and bolts
required for service.
Each connection shall be fitted with a neoprene gasket, and vapor tight steel
cover. The cover shall be held in place by a minimum of four equally spaced
bolts.
10.4 Electronic and Electrical Equipment
The vendor shall determine if electronics and instruments are susceptible to
damage from shock, weather or extremes of temperature during shipment. If
required, such items shall be removed after the functional test and shipped
separately.
11 Documentation
The supplier shall provide nonmaterial items as shown on Form NMR-7907.
Revision Summary
22 June 2009 Revised the "Next Planned Update". Reaffirmed the contents of the document and reissued with editorial changes.
Recommended