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8/18/2019 G-03 NOC
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NATIONAL OIL CORPORATION
GENERAL ENGINEERING SPECIFICATION
GES G.03
RECIPROCATING POSITIVE DISPLACEMENT PUMPS
(API 674)
Rev Date Description Checked Approved
0 1999 Issued for Implementation DL
Compiled by Teknica (UK) Ltd
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GENERAL ENGINEERING SPECIFICATION
RECIPROCATING POSITIVE DISPLACEMENT
PUMPS (API 674)
GES G.03
Page 2 of 21
Rev 0 1999
INDEX
SEC TITLE PAGE
1.0 SCOPE OF SPECIFICATION 4
1.1 Introduction 4
1.2 Other NOC Specifications 4
1.3 Data Sheets 5
2.0 DEFINITIONS 5
2.1 Technical 5
2.2 Contractual 5
3.0 DESIGN 6
3.1 Codes and Standards 6
3.2 Additions and Exceptions to API 674 6
4.0 MATERIALS 14
4.1 API 674 Requirements 14
INSPECTION 15
5.1 Procedures 155.2 Scope 16
5.3 Nameplates 16
6.0 TESTING 16
6.1 Required Tests 16
6.2 Test Procedures 17
6.3 Test Certificates 18
6.4 Startup 18
7.0 DOCUMENTATION 18
7.1 Introduction 18
7.2 Schedules and Reports 19
7.3 Data and Drawings 19
7.4 Manuals 19
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GENERAL ENGINEERING SPECIFICATION
RECIPROCATING POSITIVE DISPLACEMENT
PUMPS (API 674)
GES G.03
Page 3 of 21
Rev 0 1999
SEC TITLE PAGE
8.0 PRIOR TO SHIPMENT 20
8.1 Painting 20
8.2 Spares 20
8.3 Packing and Storage 20
8.4 Shipping 21
8.5 Warranty 21
DATA SHEETS
API 674 Reciprocating Pump Data Sheets (4)
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GENERAL ENGINEERING SPECIFICATION
RECIPROCATING POSITIVE DISPLACEMENT
PUMPS (API 674)
GES G.03
Page 4 of 21
Rev 0 1999
1.0 SCOPE OF SPECIFICATION
1.1 Introduction
1.1.1 This specification applies to reciprocating pumps used in oil/gas production and refinery service
and is based on, and must be read with, API Standard 674, First Edition, May 1980 reaffirmed
December 1987. "Positive Displacement Pumps - Reciprocating". This covers both direct acting
and power frame plunger and piston type pumps.
1.1.2 Positive displacement - controlled volume pumps are covered by NOC Specification GES G.05 for
both Plunger and Diaphragm type metering duties.
1.1.3 This specification gives the minimum requirements for the design, fabrication, inspection, testing,
documentation and preparation for shipment for reciprocating pumps. Also included are the
related lubricating systems, instrumentation and other auxiliary equipment.
1.1.4 The Vendor/Contractor shall comply fully with the provisions laid down in this specification. Anyexception must be authorised in writing by the Owner.
1.1.5 In the event of any conflict between this specification and the Data Sheets, or with any of the
applicable codes and standards, the Vendor/Contractor shall inform the Owner in writing, and
receive written clarification from the Owner before proceeding with the work. As a general
principle, the most stringent specification shall apply.
1.1.6 This General Engineering Specification will form part of the Purchase Order/Contract.
1.2 Other NOC Specifications
Where indicated in this specification, the following additional NOC Specifications shall apply andany exceptions shall be approved in advance by the Owner.
GES A.04 Noise Level Criteria and Noise Control of Mechanical Equipment
GES A.06 Site Data
GES G.05 Positive Displacement Controlled Volume Pumps (API 675)
GES J.10 Pressure Relieving Devices
GES J.13 Field Panels and Junction Boxes
GES J.14 Package Unit Instrumentation
GES K.10 General Purpose Steam Turbines (API 611)
GES L.11 Induction Motors (Low Voltage)
GES L.12 Medium Voltage Induction and Synchronous Motors
GES M.03 General Purpose Gear Units (API 677)
GES M.04 Special Purpose Gear Units (API 613)
GES M.06 Monitoring Systems for Rotating Equipment (API 670)
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GENERAL ENGINEERING SPECIFICATION
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PUMPS (API 674)
GES G.03
Page 5 of 21
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GES M.10 Special Purpose Couplings for Refineries
GES N.01 Thermal Insulation for Hot Service
GES S.06 Skid Assemblies
GES X.01 Surface Preparation and Painting Application
GES X.02 Colour Coding of Equipment and Piping
GES X.03 External Protective Coatings
The Vendor/Contractor shall ensure all Sub-Contractors comply with the relevant portions of the
above specifications.
1.3 Data Sheets
The technical data supplied by the Owner for the equipment is provided on the API Standard 674
Data Sheets which are included at the end of this specification. The Vendor/Contractor shall
complete the Data Sheets with the remaining information and return them with his proposal. Prior
to shipment, the Vendor/Contractor shall submit a complete set of "As-Built" Data Sheets.
2.0 DEFINITIONS
2.1 Technical
The technical terms used in this specification are defined in paragraph 1.4 of API 674.
2.2 Contractual
The commercial terms used in this specification are defined as follows:
Owner
The oil or gas company, an associate or subsidiary, who is the end user of the equipment and
facilities.
Vendor
The company supplying the equipment and material.
Contractor
The main contractor for a defined piece of work.
Sub-Contractor
A company awarded a contract by a contractor to do part of the work awarded to the Contractor.
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GENERAL ENGINEERING SPECIFICATION
RECIPROCATING POSITIVE DISPLACEMENT
PUMPS (API 674)
GES G.03
Page 6 of 21
Rev 0 1999
Inspection Authority
The organisation representing the Owner, or Contractor that verifies that the equipment and
facilities have been designed, constructed, inspected and tested in accordance with the
requirements of this specification and the Purchase Order/Contract.
Inspector
A qualified individual representing the Owner, Contractor or the assigned Inspection Authority,
who verifies that the equipment and facilities have been designed, constructed, inspected and
tested in accordance with the requirements of this specification and the Purchase Order/Contract.
3.0 DESIGN
3.1 Codes and Standards
3.1.1 The design shall comply with this specification and the following Codes and Standards.
API 674 "Positive Displacement Pumps - Reciprocating".
API 614 "Lubrication, Shaft-Sealing and Control Oil Systems for Special Purpose Applications.
3.1.2 Unless specified otherwise in the Purchase Order/Contract, the current editions of the Codes and
Standards at the time of the order should be used.
3.2 Additions and Exceptions to API 674
The following paragraph numbers refer to API 674 first edition, May 1980 reaffirmed December1987, which shall be considered as forming a part of this General Engineering Specification.
In API 674 paragraphs are marked with a bullet (•) if the Owner has to make a decision or provide
information. Where possible, these decisions have been made or alternatively guidelines
provided. Such paragraphs are marked "*" in this specification.
All requirements specified in this specification are additions to those of API 674 unless otherwise
stated. Paragraph numbers in this specification which do not appear in API 674 are new
paragraphs.
API 1.0 General
1.2 Alternative Designs
Add:
Metric flanges/connections are not acceptable. Flanges or studded connections shall be
to ANSI B16.1 and B16.5 except as qualified in paragraph 2.5. Metric fasteners may be
used with the prior approval of the Owner, except on flanges.
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RECIPROCATING POSITIVE DISPLACEMENT
PUMPS (API 674)
GES G.03
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API 2.0 Basic Design
2.1 General
2.1.1 Add:
Positive displacement reciprocating pumps shall be supplied only by Vendors/Contractors
qualified by experience in manufacturing the units required. To qualify, the
Vendor/Contractor shall have manufactured at the proposed point of manufacture, at least
two pumps of comparable power, speed and service conditions. These pumps must have
been in operation for at least one year and be performing satisfactorily.
2.1.2 * NOC Specification GES A.04, shall apply. The sound pressure level measured at 3.3 feet
(1.0 metre) from the surface of the equipment including driver shall not exceed 85 dB(A)
assuming there is no background noise. It is not expected that special noise abatement
treatment will be required. The Vendor/Contractor shall submit anticipated andguaranteed overall maximum noise data with his proposal and shall ensure any acoustic
treatment does not interfere with access to the equipment for maintenance.
2.1.4* The pump shall be designed for easy maintenance and shall allow rapid access to the
packing and valves. The Vendor/Contractor will be required to review and comment on
the Owners layout arrangement.
2.1.9 Add at the end:
The Vendor/Contractor shall assume unit responsibility for the entire pumping system
consisting of pump, driver, transmission and associated auxiliary equipment.
2.1.10* The Owner shall specify the installation and environmental details on the Data Sheets.
The Vendor/Contractor shall also refer to GES A.06 for further information.
2.1.11 Add:
Where pump cooling is necessary an air cooling system is preferred unless cooling water
data is provided on the Data Sheets. All coolant systems shall be designed to prevent any
leakage between the coolant and the pumped liquid.
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PUMPS (API 674)
GES G.03
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API 2.3 Ratings
2.3.1 Add:
To obtain longer life and reduce pump maintenance the maximum allowable pump speeds
listed in Table 1 shall be reduced by the following factors:
Table 1. Pump Speed Factors
Stroke Length
(inches)
Plunger Pumps
Factor
Piston Pumps
Factor
2 0.90 0.55
4 0.850 0.50
6 0.800 0.458 0.75 0.40
10 -- 0.40
Further reductions in speeds below the above values may be required to meet NPSH
criterion.
2.3.2 Add:
The NPSHR as defined in API Section 1.4.1 shall not be greater than "0.7 X NPSHA" or
"NPSHA-3.3ft (1 m)", whichever is the lesser figure. When operating at minimum
NPSHA no drop in normal rated capacity or efficiency shall be measurable. NPSHRshall be based on water without hydrocarbon correction.
2.3.5 Add:
The Owner will supply details of the liquid pumped, but the Vendor/Contractor shall be
responsible for assessing the compressibility of the liquid and its affect on volumetric
efficiency.
2.3.11 Add:
A suitably sized discharge relief valve shall be supplied by the Vendor/Contractor for
each pump. The relief valve shall be supplied and installed in piping supplied by the
Vendor/Contractor.
API 2.4 Cylinders
2.4.2 Replace with:
The maximum allowable working pressure of the cylinder shall be at least 115% of the
rated discharge pressure.
2.4.3 Add:
The corrosion allowance for "liquid-end pressure casings" shall not be less than _ ins (3
mm).
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PUMPS (API 674)
GES G.03
Page 9 of 21
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The retiring thickness of "liquid-end pressure casings" shall be calculated based on the
design pressure, temperature and allowable stresses, and any casting quality factors
required by the ASME Code.
API 2.5 Cylinder Connections
2.5.1* Replace with:
Inlet and outlet connections shall be ANSI flanged and shall have equal ratings.
2.5.3 Replace with:
All auxiliary connections shall be piped to the edge of the baseplate. For toxic or
flammable services the auxiliary connections shall be flanged. For sizes below 1½", a
flanged length of pipe shall be welded to the pump using suitable reinforcement. The
minimum size terminal point connection shall be ½" diameter. The Vendor/Contractor
shall provide all required vent and drain valves and piping.
2.5.7.4 Replace with:
Flanges shall be to ANSI B16.1 or B16.5.
2.5.8 Add:
Threaded connections shall not be used for toxic or flammable services.
2.5.11 Add new paragraph:
The pump casing/cylinder design shall have the capacity to accept at least the followingmaximum resultant piping forces and moments.
Table 2. Piping Forces and Moments
Nominal Pipe
Dia (ins)
Force
lbs kN
Moment
lbs ft (Nm)
½ 325 (1.45) 15 (20.3)
1 650 (2.89) 50 (67.8)
2 1400 (6.23) 200 (271.2)
4 3000 (13.34) 800 (1084.7)
6 4500 (20.02) 1750 (2372.7)
8 6000 (26.69) 3200 (4338.6)
No individual Force Fx, Fy or Fz or Moment Mx, My or Mz will exceed 75% of the
resultant force above.
Where a Vendor/Contractor is unable to accept the foregoing, he shall advise the
maximum resultant Forces and Moments that he can accept on the equipment proposed.
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GENERAL ENGINEERING SPECIFICATION
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PUMPS (API 674)
GES G.03
Page 10 of 21
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API 2.6 Liquid End Appurtenances
2.6.1 Add:
Liners shall be ground or honed, and ferrous liners shall have a minimum hardness of 150
Brinell for piston type ends. Liners shall be of the bolt-in easily removable type unless
otherwise approved by the Owner.
2.6.2 Replace with first sentence with:
Steel plungers shall have a minimum hardness of 550 Brinell (Rockwell C55)
2.6.2.4 Add:
Cast hollow pistons are not acceptable. Hollow plungers shall have at least _ ins (3 mm)
excess wall thickness. The venting arrangement shall be detailed by theVendor/Contractor. Plungers shall have provision for water cooling, if the pumping
temperature exceeds 350°F (175°C).
Vendor/Contractor shall give full details of the piston/plunger and packing design offered
in their proposal.
2.6.2.6 Add new paragraph:
Liquid-end pistons and cylinders shall preferably be designed to meet the following
requirements:
(a) The design of pistons shall preferably be radially split to permit changing of therings without removing the piston from the cylinder;
(b) Rod and plunger packing shall preferably be removable from the crank end of
the cylinder;
(c) Pump valving shall be removable without disturbing the process suction or
discharge piping.
2.6.2.8 Add new paragraph:
"Steady bearings or guides for plunger side rods shall be provided with renewable
bushings and means of lubrication".
2.6.3.1 Add new paragraph:
"The design shall provide sufficient free area through suction valves so that liquid
velocities (obtained by dividing design capacity by half the valve free area) shall not
exceed the following:
(a) 3.5 feet per second (1.1 m/s) for pumping temperature 350°F (175°C) or below,
and maximum viscosity 300 SSU (65 cSt) or below.
(b) 2.3 feet per second (0.7 m/s) for pumping temperature above 350°F (175°C), or
maximum viscosity above 300 SSU (65 cSt).
2.6.3.2 Add new paragraph:
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PUMPS (API 674)
GES G.03
Page 11 of 21
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Liquid velocities through discharge valves shall not exceed twice the velocities through
the suction valves.
2.6.4 Add at the end:
"Confined gaskets shall be used for specified design pressures over 300 psi (2000 kPa),
and shall be metal or metal jacketed type when pumping temperature exceeds 600°F
(315°C)".
2.6.5 Add:
(a) "water jackets shall be designed for 75 psig (520 kPa) and 120°F (49°C)
minimum. Jackets shall have suitable openings for cleaning;
(b) steam jackets, if required for liquid ends, shall surround liquid cylinders and
stuffing boxes".
2.6.6.3 * (a) for flammable service, glands shall preferably be of the quench type. Safety shields shall
be provided. A drain hole shall be provided;
(b) for flammable or toxic liquids, cylinder and packing glands shall be of steel;
(c) for corrosive or toxic liquids packing leakage drain shall be piped to the edge of
the baseplate;
(d) all packing glands shall have non-sparking metal bushings, positively secured.
2.6.6.8 Add new paragraph:
The Vendor/Contractor shall include 100% spare packing which shall be shipped with
the pump.
API 2.7 Power End and Running Gear
2.7.9 * A ½" inch flanged (minimum) connection for purging shall be provided.
2.7.11 * The distance piece shall have gasketed solid covers.
2.7.12 & 13 Add:
Vents and drains shall be flanged.
API 2.9 Lubrication
2.9.1.1 * The power end lubrication system shall be pressure lubricated if the power is above 35hp (26 kW),
and shall be fitted with low oil pressure alarm and shutdown switches.
2.9.1.6* The auxiliary equipment, defined in this paragraph, shall be provided by the Vendor/Contractor.
2.9.2.1 * When required for the service or specified on the Data Sheets a mechanical lubricator shall be
provided.
2.9.2.3 Add:
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GES G.03
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Each compartment of a lubricator shall be provided with low level alarm and shutdown
switches.
API 3.1 Drivers
3.1.1 * The type of driver shall be advised by the Owner and shall be supplied by the
Vendor/Contractor unless otherwise specified. The Vendor/Contractor shall supply a
common baseplate and shall mount the pump and driver.
Electric motors shall comply with GES L.11 or GES L.12.
3.1.2 * The Owner shall advise anticipated process variations which affect the sizing of the
driver.
3.1.3 * The Owner shall specify the driven equipment starting conditions, and starting method.
3.1.5 * For electric motor drivers, the Owner shall specify the details defined in this paragraph.
The Vendor/Contractor shall have overall responsibility for the noise level and shall
obtain the motor noise data from the motor manufacturer. Overall package noise level
shall be quoted in accordance with the comment on API paragraph 2.1.2.
3.1.7 Delete the first sentence, and replace by:
Steam turbines shall comply with GES K.10.
API 3.2 Couplings
3.2.2 * For pumps above 1000 hp (746 kW), couplings shall conform to GES M.10.
3.2.4 * The Vendor/Contractor shall supply and mount the driver on a common baseplate.
3.2.6 Add new paragraph:
Couplings shall be rated for the maximum driver power times a service factor of at least
1.5.
3.3.2 * Non-sparking guards shall be provided, manufactured in brass or G.R.P.
API 3.4 Mounting Plates
3.4.1 * A baseplate shall normally be provided meeting the requirements of GES S.06. Other
types of mounting plates, if required, will be specified on the Data Sheets.
3.4.2 Add:
The Vendor/Contractor shall provide jackscrews and shims for horizontal and vertical
alignment under all equipment over 750 lbs (340 kg).
3.4.10.2 * The Owner shall advise if the baseplate is to be suitable for column mounting.
3.4.10.6 * Decking shall be provided.
API 3.5 Gear, Belt and Chain Drives
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GES G.03
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3.5.2 * For drivers above 1000 hp (746 kW), gears shall comply with GES M.04. For drivers
under 1000 hp (746kW), gears shall comply with GES M.03. A torsional analysis shall
be performed on the pump/gear/pinion/driver train.
3.5.4 Add:
Belt drives shall be limited to 100 hp (75kW).
API 3.6 Nameplates
3.6.4 Add:
Cylinder maximum allowable working pressure shall also be on the nameplate.
API 3.7 Piping and Appurtenances
3.7.1.2 Add:
Unless specified otherwise all piping and fittings for process, sealing, flushing or oil
lubrication shall be stainless steel.
3.7.1.5 Add:
Screwed connections are acceptable only on instrument lines downstream of the initial
flanged isolation valve.
3.7.1.6 Add:
Threaded connections shall not be seal welded.
3.7.1.15 Add new paragraph:
Where cooling water is required, the Vendor/Contractor shall supply the complete system
including control and isolation valves, flow and temperature indicators. Where site
cooling water is not available, the Vendor/Contractor shall supply a closed system with
air fan cooler and water circulating pumps.
3.7.3.1 * The Vendor/Contractor shall provide all process piping on the equipment as required for mounting
of the suction and discharge pulsation dampers (see 3.7.4.1), and external relief valve
(see 3.8 below).
3.7.3.2 * The Vendor/Contractor shall review all piping and appurtenances, and the Owner's vessels
upstream and downstream of the equipment.
3.7.4 Pulsation Suppression Devices
3.7.4.1 * The Vendor/Contractor shall supply and advise the size and type of suction and discharge
pulsation suppression device they propose to provide. The Vendor/Contractor shall
support his recommendation with details of the method/calculations used to make the
damper selection. Dampers shall be mounted on the pump manifold or
Vendor/Contractor piping.
3.7.4.2 Delete "It is recommended that the Owner and Vendor/Contractor mutually agree", and
replace by: "The Owner and Vendor/Contractor shall mutually agree".
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GES G.03
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Add:
The Vendor/Contractor shall, after review of the final pipepwork arrangement, guarantee
the satisfactory operation of the pump and system with the dampers provided.
3.7.4.3 Add new paragraph:
Pulsation bottles shall be designed to limit the pressure fluctuations in the manifolds and
piping to ± 1½% of the operating pressure unless otherwise stated on the Data Sheets.
3.8 Relief Valves
Add:
The Vendor/Contractor shall supply a separate external relief valve for installation on the
Vendor's/Contractor's discharge piping and shall advise the sizing and setting. The relief
valve shall comply with GES J.10.
3.8.2 Add:
The maximum relieving pressure (i.e with valve fully open) shall be no more than 110%
of the set pressure: the reseating pressure shall be greater than 95% of the set pressure.
API 3.9 Controls and Instrumentation
3.9.2.1 * A constant speed governor and governor valve shall be provided by the Vendor/Contractor for
direct acting pumps.
3.9.4 Add new paragraph:
Instruments shall comply with GES J.14 and GES J.13.
4.0 MATERIALS
4.1 API 674 Requirements
The Vendor/Contractor shall provide materials in accordance with paragraph 2.10 of API 674, as amended
below:
API 2.10 Materials
2.10.1.5 * The Owner shall specify the presence of corrosive agents on the Data Sheets.
2.10.1.8 * The Owner shall specify the presence of hydrogen sulphide on the Data Sheets.
Materials exposed to wet hydrogen sulphide shall conform to but shall not be limited by
NACE Standard MR-01-90 requirements. Piston rods in the packing area do not have to
conform to this requirement.
2.10.1.9 Add new paragraph:
The Vendor/Contractor shall identify the materials in his proposal by using the applicableASTM or AISI numbers including material grades.
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2.10.1.10 Add new paragraph:
External parts with rotary or sliding motions (such as control rods) shall be manufactured
from corrosion resistant materials suitable for the site environment.
2.10.2.3 Add:
The Owner's approval is required for all major repairs which will be allowed only where
permitted by the material specification as qualified below:
(i) The defect does not involve removal of more than 50% of the wall thickness,
(ii) The defect length does not exceed 6",
(iii) The defect does not cover more than 15% of the casting surface area, and the
weld repair deposit will not exceed 10% of the casting mass,
(iv) The repair procedure is approved by the Owner,
(v) The repaired casting, shall be heat treated if required by the material
specification, and shall meet the acceptance standards of the original material.
2.10.4.4 * 100% inspection of welds is required for stainless steel material. Inspection shall be by
radiography where practical. Reduced NDT for carbon steel welds shall be determined
upon the type of work to be done.
Proposed connection designs shall be submitted to the Owner for approval, prior to
fabrication.
5.0 INSPECTION
5.1 Procedures
5.1.1 The inspection requirements are covered by the document "General Conditions of Purchase" which forms
part of the Purchase Order/Contract. Additional requirements are given below.
5.1.2 All items of plant and equipment referenced within this specification shall be subject to inspection by the
Owner or the Inspection Authority.
5.1.3 Inspection shall be in accordance with API 674, and this specification. All inspection activities to be
performed, including any special requirements, shall be agreed with the Owner and shall be incorporated
within the agreed Quality Control Plan provided by the Vendor/Contractor. The Quality Control Plan shall
be coordinated with and shall include the quality plan of major Sub-Contractors. The Vendor/Contractor
shall submit procedures for all applicable NDT techniques for approval by the Owner before production
commences.
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5.1.4 All operators of NDT equipment shall have thorough knowledge of the operation of the equipment to be
used and shall hold an appropriate certificate of competence, which is to be agreed by the Owner. All NDT
procedures and qualifications shall be subject to approval by the Owner.
5.1.5 The Vendor/Contractor is to furnish the Owner's Inspector with all reasonable facilities, to satisfy himself
that the equipment, including Sub-Contractors materials, is fabricated and tested in accordance with the
relevant code and this specification.
5.1.6 Any approvals given by the Owner's Inspector and/or the Inspection Authority do not relieve the
Vendor/Contractor of any responsibility regarding guarantees, workmanship or compliance with the code
and this specification.
5.2 Scope
The inspection scope shall comply with API 674, Section 4.2 as amended below:
Additions and Exceptions to API 674 1st Edition
4.2.3 * The Vendor/Contractor shall propose in his quality plan, the parts to be examined and the
type of examination for the approval of the Owner. Where surface inspection is to be
performed, the surfaces of parts are not to be painted until inspection is completed. To
define acceptable surface discontinuities and finnish "Visual Method MSS SP 55" shall
be used.
4.2.7* The oil system shall meet the cleanliness requirements of API 614, paragraph 4.3.6.
4.2.8* A cleanliness inspection will not be made by the Owner prior to welding: Cleanliness
will be inspected immediately prior to test.
4.2.9* Hardness verification is required if hydrogen sulphide is present in the pumped liquid
(refer to paragraph 2.10.1.8 of API 674). Hardness testing of piston rod/plunger in the
gland area is also required for all pump services.
4.2.11 Add new paragraph:
"The Owner reserves the right to observe any inspection carried out by the
Vendor/Contractor".
5.3 Nameplates
Nameplates shall be provided complying with paragraph 3.6 of API 674.
6.0 TESTING
6.1 Required Tests
The following tests shall be performed by the Vendor/Contractor:
(a) NDT on pump components,
(b) Hydrostatic tests,
(c) Mechanical run test,
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(d) Performance test (for critical service only - see Data Sheets),
(e) NPSH (for critical conditions only - see Data Sheets),
(f) Complete package test (if specified on Data Sheets),
(g) Auxiliary equipment tests (motors, gears - see paragraph 4.3.1.6(b)),
"Critical service" for the performance test will be advised by the Owner,
Critical conditions requiring the execution of an NPSH test shall occur when the requirement of
the comments on API paragraph 2.2.4 in this specification cannot be met with adequate margin.
The Vendor/Contractor is requested to offer an NPSH test as an optional extra in the proposal. All
tests will be witnessed when carried out. The hydrostatic pressure test will be carried out in the
presence of the Owner's Inspector.
6.2 Test Procedures
The Vendor/Contractor shall submit the test procedures in writing to the Owner for approval prior to the
start of the testing programme.
Testing shall be carried out in compliance with paragraph 4.3 of API 674 1st edition amended as follows:
Additions and exceptions to API 674 1st edition
API 4.3 Tests
4.3.1.1 Add:
The mechanical run test shall be of four (4) hours minimum duration and shall be
performed using a lube oil viscosity close to that expected in the field. The mechanical
run shall be carried out at a load as close to full load as is permitted by the test facilities.
The Vendor/Contractor shall give details of pressure and load in the proposal.
4.3.1.6* Test items (a) (b) and (c) of paragraph 6.1 above are mandatory.
(5) Dismantling inspection after mechanical run is not required unless pump distress
is observed.
(6) Auxiliary equipment tests for driver and gearbox, if any, shall be carried out in
the sub-vendors shops and details will be agreed prior to order placement: this
will include as a minimum, a mechanical run of each item and a performance
test of the driver.
Variable speed packages shall be tested through the full speed range. All tests
shall be witnessed by the Owner or his representative.
4.3.1.7 Add new paragraph:
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A complete package test, where specified, shall cover all purchased equipment including
the contract driver. The complete package shall be run for a four (4) hour period
replacing the mechanical run test on the pump. Correct operation of all equipment,
alarms and shutdowns shall be demonstrated.
4.3.2.7 Add new paragraph:
No type of preservative or paint shall be allowed to cover any pressure containing
components any mechanical or welded joint, before the pressure test is completed.
4.3.2.8 Add new paragraph:
Test gauges shall be of the direct reading type and shall be periodically calibrated. The
certificate of calibration shall be presented to the Inspector prior to commencement of
testing.
4.3.4.3* When the Vendor/Contractor is unable to operate the pump at rated conditions on the performance
test, he shall state this and shall give clear details of the proposed alternative conditions in
his proposal.
6.3 Test Certificates
The following test certificates shall be provided:-
(a) The manufacturer's physical and chemical certification of steel pressure parts and forgings.
(b) Certification for magnetic particle, dye penetrant, radiographic and ultrasonic examination.
(c) Certified shop logs of mechanical running test and performance test when applicable.
(d) Hydrostatic Tests
(e) A record of shop test data (which the Vendor/Contractor shall maintain for at least five (5) years
after the date of shipment). The Vendor/Contractor shall supply certified copies of test data to the
Owner before shipment.
6.4 Start-up
6.4.1 When required by the Owner, the Vendor/Contractor shall be responsible for the pump startup until unit is
accepted as operational by the Owner. In this case, the Vendor/Contractor shall be responsible for the
supply of a competent serviceman for the duration of the checking, startup and run-on period.
6.4.2 When required by the Owner, the Vendor/Contractor shall supply for startup, all lubricating fluids,
including oil, grease and coolants as required by the unit. The Vendor/Contractor shall recommend the
amount and type of lubrication and cooling fluids for subsequent operation.
7.0 DOCUMENTATION
7.1 Introduction
7.1.1 This section covers the documentation requirements for design, materials, inspection, testing, installation
and operation of the pump.
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7.2 Schedules and Reports
7.2.1 The Vendor/Contractor shall supply with his proposal, a schedule showing submission of all documents for
review and approval, proposed sub-contractors and material procurement and a production/fabrication
programme.
7.2.2 The Vendor/Contractor shall submit with his proposal a Quality Control Plan for the contract.
7.2.3 After the contract award, monthly reports on design, material procurement and production progress shall be
submitted to the Owner.
7.2.4 A co-ordination meeting shall be held within six (6) weeks of the placement of the Purchase
Order/Contract, to review all engineering and manufacturing requirements of the order.
7.3 Data and Drawings
7.3.1 The documents detailed below shall be submitted for approval/review to the Owner and to the InspectionAuthority within the periods agreed between the Owner and Vendor/Contractor. It shall be the
responsibility of the Vendor/Contractor to ensure that the production schedule takes into account
documentation submission periods, plus a three week approval review period by the Owner and/or the
Inspection Authority. The Vendor/Contractor shall be responsible for obtaining approvals from the
Inspection Authority.
7.3.2 All calculations shall be carried out in a clear and logical manner. The source of formulae or methods shall
be clearly referenced. Computer calculations will only be accepted if all input is shown, together with
calculated values of intermediate terms and factors and the computer program has been validated to the
satisfaction of the Owner.
7.3.3 The Vendor/Contractor shall submit as a minimum, the data and drawings as defined in API 674 Section 6with the additions/amendments below:
Additions and Exceptions to API 674
6.1 Proposals
6.1.13 Confirmation acceptance of nozzles loadings in paragraph 2.5.11 or a statement of
maximum resultant loads permissible.
6.2 Contract Data
6.2.1.4 (11) Maximum nozzle loadings for all nozzles.
(12) Wiring diagrams (electrical and electronic) schematics.
(13) Cable and instrument schedule.
(14) Fabrication drawings of pulsation dampers.
(15) Pump torque per rev and mean torque/speed curves.
6.2.2.2* Certified copies of test data shall be submitted prior to shipment.
7.4 Manuals
Requirements for data books, installation operation and maintenance manuals are as follows:
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7.4.1 Data Books
Two (2) copies of the data book shall be provided containing the items specified in paragraphs 6.2.2.2 of
API 674.
7.4.2 Installation, Operating and Maintenance Manuals
Six (6) copies of Installation, Operating and Maintenance Manuals shall be provided containing the
information defined in paragraphs 6.2.1, 6.2.2.3 and 6.2.2.4 of API 674.
8.0 PRIOR TO SHIPMENT
8.1 Painting
Surface preparation and painting shall be in accordance with GES X.01 with colour coding of equipmentand piping in accordance with GES X.02. The coating system shall comply with GES X.03. The
Vendor/Contractor may propose his own paint system, suitable for the duty, as an alternative.
8.2 Spares
The Vendor/Contractor shall submit with his initial equipment proposal, a priced list of recommended spare
parts for "Start-up" and for "Two Years Operation".
8.3 Packing and Storage
This section describes the minimum requirement for the preservation and protection of reciprocating pumps
during the sea and land transportation and storage, prior to installation.
Additions and Exceptions to API 674
The preparation for shipment shall comply with API 674 Section 4.4 as amended below:
4.4.1 Delete this paragraph and replace with:
The equipment shall be prepared for export shipment by sea. Shipment as non-
containerised deck cargo is not permissible.
The probable storage period will be specified in the order/enquiry and will extend from
the time of despatch to the time of unpacking at site. If the storage period is not stated, a
minimum period of 24 months shall be assumed.
4.4.2.1 Delete this paragraph and replace by:
Painting shall comply with NOC Specification GES X.01.
Colour coding of equipment and piping systems to GES X.02.
The coating system shall comply with GES X.03. With the Owner's approval the
manufacturers standard paint, suitable for the duty, may be used.
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4.4.4 Add new paragraph:
The spare parts when ordered shall also be suitably boxed for export shipment.
8.4 Shipping
Detailed shipping arrangements are covered by the and the Purchase Order/Contract.
Pumps with seals installed, drivers and all furnished auxiliaries shall be shipped fully assembled on the
baseplate except that coupling spacers shall be removed, boxed and tagged and attached to the skid with
any other items which are better shipped separately e.g. pulsation bottles in some cases.
The equipment shall not leave the Vendor's/Contractor's works for shipment until the release has been
approved by the Owner's Inspector.
8.5 Warranty
8.5.1 The Vendor/Contractor shall provide manufacturer's written guarantees of the pump's performance.
8.5.2 The Vendor/Contractor shall warrant all materials and services supplied against any defect for a minimum
of 12 months after commissioning or 24 months from the date of delivery to site, whichever is the shorter
period, or for the period stipulated in the Order.
8.5.3 Should any item be found defective, the Vendor/Contractor shall be responsible for all costs associated
with restoring the equipment to the standard specified by the Purchase Order/Contract.