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5/19/2018 1602 ES-VV2_8 Fuel Gas Filteerr Separator Rev_ 1
1/46
Spec. Number: ES-VV2.8 REV. 1
Prev. Issue Date: 09/17/2008 Section I of III
Material/Equipment Purchase Specification Revision Date: 09/18/2012 Page 1 of 1
Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
TITLEAPPROVAL
Accountable Group: Robert W. Guerrero 9/18/2012 10:28:25 AM
Technical Champion: krshutter 2/21/2012 6:54:07 AM
TITLE RATIFICATION
SET-US Operating Company: jbschulze 12/7/2004 10:15:37 AM
Union Gas Operating Company: Bryant,Rober t R 3/9/2005 8:44:30 AM
Westcoast (BCPLFS) Operating Company: Barry,Doug 4/20/2005 3:30:52 PM
TABLE OF CONTENTS
Page
1 SCOPE 2
2 REFERENCES 2
3 DEFINITIONS 4
4 GENERAL 4
5 DESIGN REQUIREMENTS 8
6 MATERIAL REQUIREMENTS 14
7 MANUFACTURING AND FABRICATION REQUIREMENTS 16
8
TESTING REQUIREMENTS 209 INSPECTION 21
10 IDENTIFICATION 22
11 SHIPPING 23
12 DOCUMENTATION 23
ATTACHMENTS
SECTION II PROJECT DESIGN INFORMATION
SECTION III MANUFACTURERS DATA SHEETS
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Spec. Number: ES-VV2.8 REV. 1
Prev. Issue Date: 09/17/2008 Section I of III
Material/Equipment Purchase Specification Revision Date: 09/18/2012 Page 2 of 2
Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
1 SCOPE1A This specification identifies the design, fabrication, materials, testing, inspection,
identification, and documentation requirements for the manufacture of vane typescrubbers (separators), cyclone tube type scrubbers (separators), filter separators and dry
gas filters for sweet or sour natural gas service or other service as specified in the ProjectDesign Information.
1B Requirements shown in the Project Design Information shall supersede those given in thisspecification should there be any conflict. In the event of any other conflicts, the more
stringent requirement shall govern.
1C The Manufacturer shall provide information where requested to do so. The Company
reserves the right to witness tests, inspect the vessels and request the Manufacturer toprovide further information.
2 REFERENCES
All materials will be designed, manufactured, assembled and inspected in accordance with
the latest edition of the applicable regulatory standard. In the United States, this is the Codeof Federal Regulations Title 49 Part 192, "Regulations for the Transportation of Natural and
Other Gas by Pipeline," issued by the United States Department of Transportation (D.O.T.).In Canada, this is the National Energy Board of Canada (NEB) or Technical Standards &
Safety Authority (TSSA). In addition, the following codes and standards shall be met. Thelatest edition shall be used for codes and standards that are not referenced by DOT, NEB or
TSSA. For codes and standards that are referenced by DOT, NEB or TSSA the editionapproved by DOT, NEB or TSSA must be met. When the latest edition of a DOT, NEB or
TSSA-referenced standard has not been approved by DOT, NEB or TSSA, theManufacturer shall ensure that all requirements of the DOT, NEB or TSSA-approved
edition are met. (ES-DOT)
2A American Society of Mechanical Engineers (ASME)
2A1 ASME BPVC Section V Nondestructive Testing
2A2 ASME BPVC Section VIII, Pressure VesselsDivision 1
2A3 ASME BPVC Section VIII, Pressure VesselsDivision 2
2A4 ASME BPVC Section IX Boiler and Pressure Vessel Code, Section IX,Welding and Brazing Qualifications
2A5 ASME B16.5 Pipe Flanges and Flanged Fittings
2A6 ASME B16.11 Forged Fittings, Socket-Welding and Threaded
2A7 ASME B16.20 Metallic Gaskets for Pipe Flanges
2A8 ASME B16.21 Non-Metallic Gaskets for Pipe Flanges
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Spec. Number: ES-VV2.8 REV. 1
Prev. Issue Date: 09/17/2008 Section I of III
Material/Equipment Purchase Specification Revision Date: 09/18/2012 Page 3 of 3
Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
2A9 ASME B16.47 Large Diameter Steel Flanges (Series A Only)
2A10 ASME B31.8 Gas Transmission and Distribution PipingSystems
2B American Society for Testing and Materials (ASTM)
2B1 ASTM A-20 Standard Specification for General requirementsfor Steel Plates for Pressure Vessels
2B2 ASTM A-36 Structural Steel
2B3 ASTM A-105 Forgings, Carbon Steel for Pipe Components
2B4 ASTM A-106 Seamless Carbon Steel Pipe for High
Temperature Service
2B5 ASTM A-193 Alloy Steel and Stainless Steel Bolting Materialfor High Temperature Service
2B6 ASTM A-194 Alloy Steel Nuts for Bolts for High Pressure andHigh Temperature Service
2B7 ASTM A-234 Pressure Vessel Plates, Carbon Steel, forIntermediate-and Higher-Temperature Service
2B8 ASTM A-370 Standard Test Methods and Definitions forMechanical Testing of Steel Products
2B9 ASTM A-515 Pressure Vessel Plates, Carbon Steel, forIntermediate-and Higher-Temperature Service
2B10 ASTM A-516 Pressure Vessel Plates, Carbon Steel, forModerate-and Lower-Temperature Service
2C Canadian Standards Association (CSA)
2C1 CSA B51 Boiler, Pressure Vessel and Piping Code
2C2 CSA Z245.11 Steel Fittings
2C3 CSA Z245.12 Steel Flanges
2C4 CSA Z245.15 Steel Valves2C5 CSA W59 Welding Structural Steel
2C6 CSA Z662 Oil and Gas Pipeline Systems
2D National Association of Corrosion Engineers
NACE Std MR0175 Material Requirements
2E Steel Structures Painting Council Specifications (SSPC)
2E1 SSPC-SP6 Commercial Blast Cleaning
2E2 SSPC-SP10 Near White Metal Blast Cleaning
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Spec. Number: ES-VV2.8 REV. 1
Prev. Issue Date: 09/17/2008 Section I of III
Material/Equipment Purchase Specification Revision Date: 09/18/2012 Page 4 of 4
Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
2F Welding Research Council
Bulletin WRC107 and WRC 297
2G Company References
2G1 R9 Coating Specifications and References (7F3)
2G2 ES-PV3 Valves for Natural Gas Service Smaller than 2
2G3 ES-VS1 Supplementary Pressure Vessel Requirementsfor Sour Service
2G4 ES-PF5 Closure Specification
2G5 EG-PPP Preferred Piping Components
2G6 EG-PPE Preferred Electrical Components
3 DEFINITIONS
3A The word "Manufacturer" shall mean and include such common terms as Sub-contractor,Supplier,Vendor,Seller,Fabricator,or other to which a PurchaseOrder may be issued.
3B The term "Company" shall be defined as Spectra Energy Transmission, and/or itsaffiliates.
4 GENERAL
4A The following information is to be available for review during fabrication by theCompany inspecting agent.
4B Prior to manufacturing, the Manufacturer shall:
4B1 Have all Subcontractors, Fabrication Shops and Material Suppliers approved for useby the Company.
4B2 Submit the gasket specifications, complete with manufacturer, type and pressurerating, for Company acceptance.
4B3 Submit two (2) copies of full shop detail drawings to the Company for review andcomment two weeks after the receipt of the Purchase Order or at a time agreed to by
the Company in both hard copy and electronic copy by email. Drawings to include butnot limited to weight, center of gravity and dimensions. Manufacturer may proceed
with manufacturing prior to submittal of certified drawings with the prior approval ofthe Company.
4B4 Provide the Company with two (2) certified copies and one (1) electronic copy of thefull shop drawings after Company comments are addressed and resolved. These are to
be stamped by a registered professional engineer in the State or Province in which thevessel will be located, if specified in the Project Design Information.
4C Prior to manufacturing, and if specified in the Project Design Information, theManufacturer shall provide the following information.
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Spec. Number: ES-VV2.8 REV. 1
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Material/Equipment Purchase Specification Revision Date: 09/18/2012 Page 5 of 5
Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
4C1 Complete and submit a fatigue analysis in accordance with AD-160 of ASME SectionVIII, Division 2, Appendices 4 and 5.
4C2 Complete and submit a dynamic stress analysis for all vessels with height/diameterratios greater than 12 or periods of vibration greater than 0.4 seconds as confirmed by
the Freese or Zorilla methods.
4C3 Complete and submit a stress analysis in accordance with Stresses in LargeHorizontal Cylindrical Pressure Vessels on Two Saddle Supports by L.P. Zick forlarge horizontal pressure vessels.
4C4 Complete and submit a stress analysis in accordance with WRC-107 or WRC-297whenever external loads are likely to create significant vessel shell stresses.
4C5 Complete and submit an analysis of flow distribution across all vanes and elements inthe vessel.
4C6 Provide the Company with two (2) certified copies of the analyses completed prior tomanufacturing, stamped by a registered professional engineer in the State or Province
in which the vessel will be located.
4C7 Provide the Company with one (1) copy of the calculations for:
4C7.1 Pressure containment, including vessel wall thickness, nozzle wall thickness, andnozzle reinforcement thickness and area requirements.
4C7.2 Sizing and mounting of vessel structural supporting skirts of piers and lifting lugs.
4C7.3 Vessel stress loading and maximum allowable expansion stresses to be applied tonozzles.
4C7.4 Wind or other external loadings.
4C7.5 Flange design.
4C8 Provide the Company one copy of all welding procedure specifications (WPS) to beused, detailing schematic depiction of weld joint arrangement, number and sequenceof passes, description of welding positions to be utilized, details of all welding
parameters (i.e. amperages, welding machine wire speeds and inert gas flow rates)consumables, preheating procedures and post-heat treatment procedures.
4C9 Provide the Company one copy of welding procedure qualification reports (PQR) foreach welding procedure certifying the acceptability of the weld physical properties
produced by each welding procedure using applicable materials and conditions similarto the location of fabrication.
4C10 Submit material test reports (MTR) for pressure containing materials.
4D Prior to manufacturing, the Company shall:
4D1 Provide the Manufacturer with a completed Project Design Information.
4D2 Provide written comment and/or written acceptance of the shop detail and otherapproval drawings and data within 10 days of receipt of the drawings.
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Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
4E Concurrent with shipment, the Manufacturer shall provide:
4E1 A copy of the qualified non-destructive examination procedures utilized
4E2 A schematic drawing of the thermocouple placement and documentation of furnacecalibration
4E3 Written certification that the equipment has been manufactured and fabricated inaccordance with this specification, the Project Description Information, all referenced
codes and standards, the certified full shop drawings and documents, and all otherdrawings and documents prepared by the Manufacturer.
4E4 All documentation, including a summary list of documentation provided previously,necessary to verify that the equipment has been manufactured and fabricated in
accordance with this specification, the Project Description Information, all referencedcodes and standards, the as built full shop drawings and documents, and all other
drawings and documents prepared by the Manufacturer.
4E5 Written certification that the pressure testing has been completed in accordance withthis specification, the Project Description Information, all referenced codes andstandards, the certified full shop drawings and documents, and all other drawings and
documents prepared by the Manufacturer.
4E6 Pressure testing records as follows:
4E6.1 Instrument calibration certificates
4E6.2 Recording charts for pressure and temperature4E6.3 Pressure and temperature logs, including date and time of test, name of project,
Purchase Order number and signature of the testing supervisor for the Manufacturer
4E6.4 Test pressure, medium and duration
4E6.5 Time and results of soap tests completed
4E7 All non-destructive examination reports, including:
4E7.1 Summary of non-destructive testing results, including rejects and repairs
4E7.2 Summary of the percent inspection characteristics by each non-destructive testingmethod
4E7.3 Summary of reasons for employing specific non-destructive testing methods oneach type of weld
4E8 All heat treatment and stress relief charts.
4E9 A torquing and tensioning procedure for tightening bolts for flange connections thatremain in place after shipment
4E10 All material documentation, including:
4E10.1 Manufacturer of the materials
4E10.2 Certification of chemical and physical properties
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Spec. Number: ES-VV2.8 REV. 1
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Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
4E10.3 Mill test reports
4E11 Welding documentation, including:
4E11.1 Any crack repair procedures utilized.
4E11.2 Welder qualification records for all welders and operators who are utilized duringfabrication.
4E11.3 Visual inspection and quality control procedures applied to all welding processes.
4E11.4 Inspector qualification records, including certificates and experience of eachinspector, particularly with respect to defect determination specific to the welding
process
4E11.5 Summary of rejected welds and weld repairs undertaken, detailing location ofdefects, nature of defects, repair description or reason for rejection and non-destructive testing results for repairs
4E12 Operation and Maintenance Manuals
4E12.1 Three (3) copies of the Operating and Maintenance Manuals shall be forwarded atthe time of shipment. One copy of the Manuals shall be shipped with theequipment.
4E12.2 These Manuals shall include the minimum information listed below regardingvalves, special fittings, and instrument and control devices. All information shall be
referenced to drawings by appropriate tag numbers.
4E12.2.1 Function, type, manufacturer, model, and serial number of all items
4E12.2.2 Parts lists and associated "blow-up" or "cut-away" drawings
4E12.2.3 Special instructions and procedures to be followed in conducting repair andreplacement of parts
4E12.2.4 Special tool requirements
4E12.2.5 Operating instructions for all items, including any special safety precautions
4E12.2.6 Recommended "preventive maintenance" activity schedule
4E12.2.7 Special lubricant and sealant requirements
4E12.2.8 "Trouble shooting" procedures
4E12.2.9 Recommended procedures and auxiliary equipment requirements for calibrationand adjustment of equipment
4E12.2.10 General instructions for start-up, shutdown, and normal operation of equipment
4E12.2.11 Instructions for initial commissioning of equipment
4E12.2.12 A set of all drawings and documents pertaining to the vessel, which shall becertified to be as-manufactured
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Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
5 DESIGN REQUIREMENTS
5A General
For the range of conditions specified in the Project Design Information, vessels shallconform to the following design requirements. All vessels shall be designed based on
worst-case conditions. Vendor may propose alternate types of design subject to approvalof the Company.
5A1 The pressure vessel shall be designed, manufactured, inspected and tested inaccordance with the requirements of this specification and the requirements of ASME
Section VIII, Division 1, Boiler and Pressure Vessel Codes, unless otherwise specifiedin the Project Design Information. For pressure vessels to be located in Canada, the
pressure vessel shall also comply with CSA B51, Boiler, Pressure Vessel and PressurePiping Code and be registered with the Provincial and local authorities where it is
installed.
5A2 Vessels shall be designed to meet the operating and design conditions specified in theProject Design Information. Climatic loads shall be based on the applicable buildingcode for the designated site location.
5A3 The vessel design pressure, as provided in the Project Design Information, shall takeinto account vacuum conditions where applicable.
5A4 Vessels shall be designed and fabricated in accordance with Division 2 rules ifspecified in Project Design Information.
5A5 Vessels shall be furnished complete with all appurtenances including internal andexternal components such as inlet/outlet distributors, wear plates, vortex breakers,
retention screens, baffles, trays, tray supports, manways, inspection ports, insulationrings and/or clips, pipe supports, lifting lugs, trunnions, external ladders, platforms
and cages.
5A6 Vessel heads shall be one-piece semi-elliptical with a 2:1 ratio. Hemi-spherical and/orsegmented heads may be considered for large diameter vessels as approved by theCompany. Flued heads shall not be utilized on any pressure vessel unless specifically
approved by the Company.
5A7 Unless otherwise specified, all carbon steel vessels shall be designed with a minimum
of 1/16 in. (1.6 mm) corrosion allowance. The corrosion allowance shall be added toshell strength members, heads, nozzles and any other carbon steel parts in contact with
the process fluid (except stainless steel components).
5A8 The minimum thickness (excluding corrosion allowance) of carbon steel pressurevessels, including shell and heads, shall be in. (6.4 mm) for vessels up to 48 in.(1219 mm) inside diameter and 5/16 in. (7.9 mm) for larger diameters. The
Manufacturer shall calculate the required thickness based on the design pressure,design temperature and the corrosion allowance in accordance with Code
requirements.
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Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
5A9 Pressure safety valves and thermal relief valves and the connections shall be providedas detailed on the Project Design Information. These valves shall be located, if
possible, such that they may be accessed for annual testing from the ground levelExhaust to atmosphere shall be extended, if necessary to provide for safety.
5A10 Vessels shall be insulated for heat conservation, personnel protection, noise abatementor winterization as required by this specification. Manufacturer shall provide the
necessary insulation supports including clips, support rings or other structuralattachments for vessels to be insulated.
5A11 Vertical vessels shall be supported by a skirt or legs with skirts having anappropriately sized and reinforced access opening. Skirts shall be provided with two 2
in. (50 mm) vent holes located 180 degrees apart as near to the vessel attachment weld
as possible.
5A12 Vertical vessels 20 feet (6 meters) or taller shall be provided with a continuous basering with anchor bolt chairs.
5A13 Horizontal pressure vessels shall be supported by two (2) saddles. Horizontal saddlesshall comply with applicable code requirements.
5A14 Vessels shall be designed to be self supporting and to withstand the specified windloading and other loads specified in the Project Design Information. Vessel supports
shall be adequate for the wind load with the vessel empty and for test conditions withthe vessel full of water. The wind load shall be determined by the projected area of
the vessel, including all external attachments such as insulation, ladders and platforms.
5A15 Vendor shall specify allowable nozzle loads. The Company shall specify externallyapplied loads due to piping and other sources in the Project Design Information.
5A16 Wear plates, diverters or impingement baffles shall be installed at inlet nozzles on allvessels subject to erosion.
5A17 A vortex breaker shall be provided for vessel drains and siphons.
5A18 Internal piping shall not be fabricated with mitered joints.
5A19 Lifting lugs and piping support clips shall be welded to attachment pads and notdirectly to any pressure vessel shell. Reinforcing pads shall be provided for all
attachments where loadings create stress concentrations. All pads shall becontinuously welded to the vessel and have a minimum 1/8 in. (3.2 mm) vent hole.
5A20 Continuous external stiffeners shall be provided when required for vacuum vessels orlarge diameter thin wall vessels. Stiffeners shall be continuous around the vessecircumference and shall be continuously welded to the vessel wall on both sides of the
stiffener.
5A21 To facilitate handling, vessels shall be supplied with lifting lugs and/or trunnionsand/or tailing lugs readily accessible for rigging and designed with a minimum safetyfactor of four (4). Lifting lugs shall be welded and fabricated from steel plate. Eye
bolts or u-bolts shall not be used for lifting lugs.
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Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
5A22 Davits or hinges shall be provided for manway or inspection openings NPS 10 andlarger. Davits shall be constructed of bent pipe with an eyebolt connection to the
flange and a socket for the davit pipe. Davits are to be fully sealed with plate caps oneach end of the pipe. Gussets for the davit pipe shall be provided along with a grease
connection at the davit pipe support sleeve to ensure the davit pipe will not jam duringoperation. Vendor may propose their standard design or other design all of which are
subject to the review and approval of the Company.
5A23 The minimum size opening in any vessel shall be in (12.7 mm).
5A24 All vessel connections NPS 2 and larger shall utilize ANSI rated forged steel longweld neck flanges or pipe neck and flanges. Flanges shall clear any insulation
installed on the vessels if so specified in the Project Design Information. There shall
be sufficient nozzle projection to allow for removal of the nozzle stud bolt nuts fromthe backside of the nozzle with no interference from vessel insulation or othercomponents.
5A25 Vessel nozzles and connections NPS to NPS 1 shall be minimum ASTM A1053000# forged steel full depth couplings of weldable quality forged steel or barstock
unless Code requires the use of higher rated connections for the service conditionsprovided in the Project Design Information. Half couplings shall not be utilized.
5A26 Manways and nozzles shall comply with ASME B16.5 for sizes up to and includingNPS 24. Nozzles NPS 26 and larger shall comply with ASME B16.47 (Series A).
API 605 and ASME B16.47 Series B flanges/nozzles shall not be utilized for any
vessel connection.
5A27 Manways and cleanout openings shall be provided as specified and as required byCode. Manways shall be circular and at least 20 in. (508 mm) internal diameter or as
specified in the Project Design Information. Vessels smaller than 30 in. (762 mm)diameter shall have a minimum of one 10 in. (273.1 mm) OD flanged access nozzle.
5A28 All nozzles shall be flush with the inside of the vessel when used as drains or to avoidinterfering with vessel internals.
5A29 Nozzle sizes NPS 1, NPS 3, NPS 5, and NPS 14 shall not be used unlessspecifically accepted by the Company.
5A30 Reinforcement for vessel openings shall be determined based on test conditions.5A31 Reinforcement pads on openings NPS 10 and smaller shall have one in. (6.4 mm)
pipe tap tell tale hole. Reinforcement pads on larger openings shall have a minimumof two in. (6.4 mm) pipe tap tell tale holes 180 degrees apart.
5A32 Flow distribution is to be as even as possible across all elements or vanes in the vessel.
5A33 Siphons shall comply with applicable code requirements.
5A34 Design pressure drop shall be from the inlet connection to the outlet connection withthe vessel in the clean state.
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5B Scrubbers - Vane Type or Cyclone Tube Type
5B1 Vane type scrubbers (vessel and internals) shall remove 99.5% of all liquid particles 8microns and larger for the entire range of specified pressures and flows, unlessotherwise specified in the Project Design Information.
5B2 Cyclone tube type scrubbers (vessel and internals) shall remove 98% of all liquid andsolid particles 3 microns or larger for the entire range of specified pressures and flows,
unless otherwise specified in the Project Design Information.
5B3 Scrubbers shall be designed such that there is no more than 1/10 gallon per MMSCF(13L/10
6m
3) carryover of accumulated liquids.
5B4 The design pressure drop at rated capacity shall be between 1.0 psid (6.9 kPad) and
3.0 psid (20.7 kPad). (A target of 1.5 psid (10.5 kPad) is to be used) unless otherwisespecified in the Project Design Information.
5B5 Scrubbers shall have inspection opening(s) adequate for performing periodicinspections. Horizontal liquid sumps shall have full inspection openings on each end.
5B6 If a mist extractor is specified, an inspection opening shall be provided which willallow visual inspection and cleaning of the mist extractor.
5B7 Two NPS 2 connections shall be provided, one at each end of cyclone tube typescrubbers, to be used to flush the interior.
5C Filter Separator
5C1 Filter separators shall be provided with one of the following to access the filterelements:
5C1.1 A full-sized flange with blind in accordance with this specification. A liftingeyebolt shall be installed on the blind flange.
5C1.2 A full section ASME quick-opening end closure with positive safety lock (toprevent opening under pressure).
5C1.3 A reduced section ASME quick-opening end closure with positive safety lock (toprevent opening under pressure).
5C2 Filter separators (vessel and internal) shall remove 99.5% of all liquid and solid
particles 1 micron and larger for the entire range of specified pressures and flows forthe life of the elements, unless otherwise specified in the Project Design Information.
5C3 Coalescing filter separators are generally specified where BLACK POWDER ispresent.
5C4 Efficiency requirements for a coalescing filter separator are as follows on the fullrange of pressures and flows, unless otherwise specified in the Project Design
Information:
5C4.1 99.5% removal of all liquid particles 0.3 microns and larger, and
5C4.2 99.9% removal of all solid particles 0.3 microns and larger.
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5C5 Filter separators shall be designed such that there is no more than 1/10 gallon perMMSCF (13L/106m3) carryover of entrained liquids downstream of the vessel.
5C6 The design pressure drop at rated capacity, with clean filter elements, shall be between1.0 psid (6.9 kPad) and 3.0 psid (20.7 kPad). (A target of 1.5 psid (10.35 kPad) is to
be used.) unless otherwise specified in the Project Design Information.
5D Dry Gas Filters
5D1 Dry gas filters shall be provided with one of the following to access the filterelements:
5D1.1 A full-sized flange with blind, in accordance with this Specification. A liftingeyebolt shall be installed on the blind flange.
5D1.2 A full section ASME quick-opening end closure with positive safety lock (toprevent opening under pressure).
5D1.3 A reduced section ASME quick-opening end closure with positive safety lock (toprevent opening under pressure).
5D2 Filter elements shall be able to withstand a minimum pressure differential of 30 psid(207 kPad) across the element core before collapse of the element.
5D3 Dry gas filters (vessel and internal) shall be designed to remove 99.5% of all solidparticles 1 micron and larger for the entire range of specified pressures and flows and
the life of the elements, unless otherwise specified in the Project Design Information.
5E Structural
5E1 Bolt holes in inspection openings and nozzles shall straddle the normal vesselcenterlines.
5E2 A vortex breaker shall be provided for drains and siphons if so specified in the ProjectDesign Information.
5F Sumps
5F1 External horizontal sump for filter-separators shall be barrel type and shall haveclosure type end connections for cleaning, unless otherwise specified.
5F2 Sumps shall have extended connections that provide clearance for installation of heat
trace and insulation. Flanged connections on sumps shall allow for installation of heattrace and the thickness of insulation specified in the Project Design Information.
5G Sour Gas Service
Equipment specified for sour service in the Project Design Informationshall be designed
and constructed in accordance with the latest edition of Company Specification ES-VS1,Supplementary Pressure Vessel Requirements for Sour Service.
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5H Low Temperature Service
5H1 Where required, the Minimum Design Metal Temperature (MDMT) will be specifiedfor each piece of equipment. The MDMT shall be specified in the Project DesignInformation in accordance with ASME code requirements.
5H2 Unless materials are exempt from testing, materials and welding procedures shall meetthe requirements of the applicable division of ASME.
5H3 For steels not listed in ASME VIII, Div. 1, UCS-66, the Manufacturer shall submittheir interpretation of the appropriate classification of the proposed steel for review
and acceptance by the Company. Materials that are manufactured to a low temperaturespecification such as SA 350 LF2 and meet the impact testing requirements of
applicable design and construction codesdo not need to be retested.
5H4 Results of impact tests shall be incorporated into the records for the component andsubmitted to the Company. Data shall include specimen size, orientation (longitudinalor transverse), test temperature, absorbed energy of each specimen, and the average
absorbed energy for each set of specimens.
5H5 Deposited weld metal and heat affected zone (HAZ) shall meet the same impactrequirements of the base metal.
5H6 When joining base metals having different impact requirements, the weld metal shallmeet the highest requirement. Each HAZ shall meet the requirement of the adjacentbase metal.
5H7 Impact testing shall be in accordance with Section VIII of ASME BPVC and CSAB51-03.
5H8 No impact tests are required on the component if the maximum component workingpressure is less than 25% of the maximum component design pressure capability as
determined by the Manufacturer for the component design.
5H9 Any vessel, piece of equipment, machinery, pipe, or piping component which isrefractory lined shall be impact tested at the lowest one day mean temperature andmeet the requirements of the applicable design and construction codes.
5H10 Vessel skirts and other items such as lifting lugs, ladder and platform clips, etc. which
are attached to the pressure boundary material shall also meet the requirements of thissection.
5H11 Impact testing values for various components shall be tabulated and submitted withthe Vendors proposal. Impact testing values shall meet the requirements of theapplicable design and construction codes.
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5I Impact Specimen Selection and Number of Tests
5I1 General
5I1.1 Specimens for impact determinations, and all production mechanical properties,shall be taken from material that has been subjected to PWHT (when applicable)
which is equivalent to that undergone by the component during fabrication.
5I1.2 All impact testing shall be conducted per ASTM A370 using Charpy V-Notchspecimens.
5I2 Plate Materials
Impact specimens shall be selected as follows:
5I2.1 Impact specimens shall be taken per ASTM A20, with the base of the notchperpendicular to the plate surface.
5I2.2 The long dimension of impact specimens shall be parallel to the final direction ofrolling (longitudinal specimens) for all applications except spheres orhemispherical heads fabricated from segments. These specimens shall be taken
transverse to the direction of rolling.
5I2.3 Acceptance criteria shall be in accordance with applicable design and constructioncodes.
5J Weldments
Production impact tests shall be conducted when impact testing of pressure equipment isrequired. The production impact test plates shall be made for each qualified welding
procedure following the requirements given in ASME Code Section VIII, Division 1,paragraph UG 84.
6 MATERIAL REQUIREMENTS
6A The materials listed below are the minimum acceptable for the respective serviceconditions. Alternative materials meeting the design requirements may be supplied,subject to agreement between the Company and the Manufacturer. The term Low
Temperature infers different temperatures for different specifications as detailed in thenotes to the tables below.
TABLE 1Preferred Carbon Steel Pressure Containing Materials List
Sweet Service Sour Service
Normal Low Temp. Normal Low Temp.Plate
SA 516 Gr. 70 X
SA 516 Gr. 70 (Normalized) X X X XPipe
SA 106 Gr B (less than 16 NPS) X X
SA 333 Gr 6 (less than 16 NPS) X X X XFittings
SA 234 Gr WPB, WPC (normalized) X X
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SA 105 (normalized) X X
SA 350 Gr LF2 (normalized) X X X XSA 420 (normalized) X X X X
Notes:a) X indicates material allowable for the specified service.b) Low Temperature Service: Less than -20F (-29C) except as allowed by ASME VIII UG-84 and UCS-66c) For sour service, see NACE MR-0175.
TABLE 2Preferred Carbon Steel Low Alloy Steel Bolting Materials List
Sweet Service Sour Service
Normal Low Temp. Normal Low Temp.
SA 193 Gr B7 XSA 193 Gr B7M X X
SA 320 Gr L7 X X X
SA 320 Gr L7M X X X X
SA 194 Gr 2H or Gr 7 X
SA 194 Gr 2HM (S4) X X X X
SA 194 Gr 7M (S4) X X X X
Notesa) The minimum impact testing exemption temperature of bolting for ANSI B31.1 piping
applications is -50oF (-45.5C).
b) The minimum impact testing exemption temperature of bolting for ASME Section VIIIapplications is -40
oF(-40C).
c) Low temperature infers:
less than -50oF (-45.5C) for ASME B31.3 piping bolting.Less than -40
oF (-40C )for ASME Section VIII bolting.
d) X indicates material allowable for the specified service.e) SA320 Gr L7 and Gr L7M shall be impact tested at or below the minimum design metal
temperature.
6B Materials used shall conform to ASME Section VIII, Division 1, Subsection C and therequirements of this Specification.
6C Material for shells and heads shall be limited to those permitted in Part UCS ofSubsection C, of ASME Section VIII, Division 1.
6D All fittings shall be seamless forged steel. No malleable iron, cast iron, or brass will beused in any service. All fittings shall conform to ASME B16.11.
6E Plugs for drain, inspection, and test connections shall be forged steel. Rating shall be aminimum of 3000 lbs. (20700 kPa)
6F Valves smaller than NPS 2, shall be furnished in accordance with the latest edition ofCompany specification ES-PV3. Specifically, it must be noted that valve bodies ofthreaded assembly are prohibited. Valve bodies with screwed end connections may be
three-piece bolted body assembly, two-piece welded body assembly or single-piece body.
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6G Where stainless steel is to be used in vessels being stress relieved, either a low carbonstainless steel (304L or 316L) or a stabilized grade (321 for example) of stainless steel
shall be specified.
6H Standard sock-type filter elements are to be used in filter separators. Expanded surfaceelements are prohibited.
6I Materials for internal components shall be compatible with the shell and head materialsconsidering welding ability, loading, stress relieving, and toughness.
6J All flanges shall conform to the appropriate ASME standards for the service intended.API flanges and ASME B16.47 Series B flanges are not acceptable.
6K All stud bolts shall conform to appropriate ASTM standard A193 for the service
intended.
6L All nuts shall conform to appropriate ASTM standard A194 for the service intended.
6M Materials for supports and clips welded to the shell or head shall be of the same gradematerial and heat treatment as the pressure part to which it is attached.
6N Gaskets shall be in accordance with the requirements of ASME B16.20 or B16.21. Allgaskets used in ANSI 600 or higher rated flanges shall be spiral wound gaskets. Gaskets
containing asbestos are not acceptable.
7 MANUFACTURING AND FABRICATION REQUIREMENTS
7A Notification
Manufacturer shall notify the Company two weeks prior to the start of manufacturing.
Manufacturer shall furnish one week notice to the Company for the following:
7A1 Open-end inspection to verify attachment of internal components prior to closure
7A2 Hydrostatic test
7A3 Final inspection prior to shipping
7B Fabrication
7B1 The Manufacturer and Fabrication shop shall as a minimum be ASME Ucertified.
7B2 Datum line shall be marked on the shell in such a manner as to be usable for
fabrication, inspection, and field work.
7B3 Final inspection shall ensure that all flanges are tightened prior to shipment.
7C Welding
7C1 Welding procedures and welding qualification records shall be in compliance withapplicable codes and copies shall be available for review by the Company upon
request.
7C2 All surfaces to be welded shall be free of scale, oxide, dirt, grease, paint, or othercontaminants.
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7C3 All welding shall be performed according to welding procedures that have beenqualified to Section IX of the ASME Boiler & Pressure Vessel Code using low
hydrogen electrodes or a low hydrogen process.
7C4 Welding on the pressure vessel and detachable piping shall be performed only bywelders who have successfully qualified under Section IX of the ASME Code for theapplicable welding procedure and material. All welders must have a current code
qualification certificate.
7C5 All welding shall be performed prior to heat treatment (PWHT). Welding on vesselswhich have received PWHT is not permitted without prior approval from theCompany.
7C6 All longitudinal and circumferential welds in the shell, head, nozzles, and skirt shallbe full-penetration butt welds or equally deposited in such manner as to yield the samequality as a double butt weld, as defined in TABLE UW-12, Section VIII, Division 1,of the ASME Boiler and Pressure Vessel Code.
7C7 Welding materials of unequal thickness and/or yield strength shall conform torequirements set out in the ASME BPVC, Section VIII, Figure UW-9, Butt Welding
of Plates of Unequal Thickness.
7C8 When two or more cylinders with longitudinal weld seams are used in the shell, theseams shall be aligned to maintain at least a 45-degree separation.
7C9 All vessel seams (longitudinal and girth) shall maintain a minimum separation of at
least 4 in. (100 mm) from all nozzles, couplings, and manway openings, including thereinforcement pad and its weld.
7C10 The out-of-roundness of shells and nozzle outlets shall be defined as the differencebetween the maximum and minimum inside diameter at any cross section and shall not
exceed 1% of the nominal inside diameter of the shell or nozzle.
7C11 Internals shall be attached to the shell using double-sided fillet welds or full-penetration welds. Internals shall always be supported near the end with intermediatesupports, such that the maximum distance between supports does not exceed 42 in.
(1067 mm) on 6 in. (168.3 mm) and larger internals and 30 in. (762 mm) on internalssmaller than 6 in. (168.3 mm).
7C12 Materials for internal components shall be compatible with the shell and headmaterials considering weldability, loading, stress relieving, and toughness.
7C13 Supports shall be installed in accordance with Figures 1A or 1B. The width dimensionof the support shall be oriented in the circumferential direction. Orientations shown in
Figures 1C and 1D are not acceptable.
7C14 Forged steel full couplings shall be installed on shell and/or nozzle thicknesses up to in. (26.7 mm) in accordance with Figure 2A. On thicknesses greater than in. (26.7mm), up to NPT 1 cup-o-lets are acceptable with installation in accordance with
Figure 2B. On screwed couplings, threads shall be chased after installation. Threadedconnections shall not be seal welded.
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7C15 Corner joints, if used, shall conform to Figures 3A or 3B. Corner joints of the typesshown in Figures 3C, 3D, 3E, and 3F are not permitted.
7C16 When preheating is required, the temperature is to be maintained at a minimum of250
oF (120
oC).
7C16.1 All material with a carbon content greater than 0.32% shall be preheated.
7C16.2 All materials with a carbon equivalent (CE) greater than 0.42%, as determined inthe equation CE= %C + %Mn/6, shall be preheated.
7C16.3 All welding of attachment pads or plates, reinforcing pads, and nozzles will requirepreheating.
7C16.4 All materials with a thickness of in. (26.7 mm) or greater shall be preheated.
7C17 The material surface temperature shall be above 60F (15.5C) for welding to beperformed.
7C18 All welding repairs shall be performed in accordance with qualified repair weldingprocedures (according to ASME BPVC, Section IX) and the minimum length of any
repair weld bead shall be 3 in. (76 mm).
7C18.1 A 250oF (121C) preheat shall be employed on all repair welds.
7C18.2 Defects shall be completely removed by gouging or grinding.
7C18.3 No welding repairs of cracks are allowed without approval by the Company.
7D Stress Relieving
7D1 A vessel shall be stress relieved as prescribed in Paragraph UCS-56 of Section VIII,Division 1, of the ASME Boiler and Pressure Vessel Code after welding if one ormore of the following conditions exist:
7D1.1 The carbon content of the material is greater than 0.32%.
7D1.2 It is required by UCS-56 of Section VIII, Division 1 of the ASME Boiler andPressure Vessel Code.
7D1.3 Pressure vessel is specified in the Project Design Informationfor amine, caustic orsour service.
7D2 All welds that require post weld heat treatment must be completed prior to stressrelieving. Welding on vessels that have received post weld heat treatment is notpermitted.
7D3 Vessels or vessel parts that have been PWHT, shall be clearly marked with thefollowing: POSTWELD HEAT TREATED. DO NOT FLAME CUT OR WELD ON
THIS VESSEL.
7D4 Two thermocouples (one attached to each end of the vessel) with recorders shall beused for temperature and time indications. Temperatures are to be recorded on a chartfor the complete heat treat cycle. The temperature difference between the two
thermocouples shall not exceed 50oF (28C).
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7E Instrumentation Controls
Manufacturer shall provide all instrumentation and controls equipment necessary for
providing protection and the safe operation of the vessel(s). All equipment, pipingand controls shall be assembled in the shop, operated, and disassembled as required
for safe shipment. The following is a list of equipment that must be provided for eachvessel for control and safety purposes.
7E1 Auxiliary equipment such as automatic dump valves, restriction orifices, differentialpressure transmitters/switches, level gauges/level switches, thermal relief valve and a
quick opening closure shall be supplied with each filter separator installed. Thisequipment shall be located, if possible, such that it may be easily accessed from the
ground level to facilitate servicing as well as annual testing. Relief valve exhaust shal
be extended, in necessary to provide for safety.
7E2 Reflex sight glass with shut-off valves and excess flow check valves. Shut-off valvesused to isolate the sight glass shall be placed next to the vessel such that any nipples
and alignment unions separating the sight glass from the pressure vessel are alsoisolated to facilitate leak repair without blowing down the vessel. Unions shall be
male by female. The sight glass assembly shall be fully enclosed in a cage, or otherhousing, to protect it from external damage. Sight glass shall be furnished with full
port cleanout and vent valves. The vision length of the sight glass shall cover thecomplete controllable operating range of the liquid level for the vessel.
7E3 Liquid level controller, snap acting and adjustable, externally caged, pneumatically
operated, and furnished with pressure reducing regulators, relief valves, pressuregauges, and filters. Level gage or bridle shall be supported by the vessel.
7E4 High-level shutdown/alarm switch, externally caged with explosion proof enclosure,Form C contacts rated 5 Amp, 120 VAC. Level gauged or bridle shall be supported bythe vessel.
7E5 Automatic dump valve, diaphragm-operated with isolation valves and bypass valve.
7E6 Conventional spring operated, balanced bellows or pilot operated relief valve shall beprovided as specified in the Project Design Information. Pilot operated relief valvesshall be furnished with pilot supply filter, manual blowdown, backflow preventer, and
relief valve discharge piping. Relief valve shall be set at the design pressureof the
vessel. For relief valves installed on vessels to be installed in Canada, the relief valveshall be provided with a CRN number.
7E7 For the filter elements in a filter separator, provide two in (26.7 mm) connectionsthat will connect differential pressure switches/gauges installed by the Company.
7F Priming and Painting
7F1 Prior to compartment and vessel closure, all internal slag and weld splatter shall beremoved. After the heads are installed, the interior shall be vacuumed and al
openings sealed. The exterior shall be sandblasted per the SSPC specification
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indicated in the Project Design Information. Sandblasting will take place after stressrelieving and hydrostatic testing.
7F2 The exterior surface shall be coated within eight hours after sandblasting with theprimer specified in the Project Design Information.
7F3 All coating shall be performed in accordance with the latest edition of the CoatingSpecifications and References supplied by the Company. The coating system to be
used is specified in the Project Design Information. All primers, intermediate coats,and final coats shall be from the same paint manufacturer.
7F4 The vessel shall have its internal surfaces pickled, connections sealed by blind flangesand/or plugs and a low pressure (5 psig / 35 kPa) nitrogen blanket placed on the vessel
if so specified in the Project Design Information. Manufacturer shall submit apickling procedure to the Company for review and approval prior to performing such
work.
7F5 Any flange connections disassembled for painting shall be properly reassembled andtorqued after curing and prior to shipment. Final inspection shall ensure that allflanges are tightened prior to shipment.
8 TESTING REQUIREMENTS
8A All vessels, valves and attachments shall be hydrostatically tested at one and a half (1)times the design pressure for vessels, unless otherwise specified in the Project DesignInformation.
8B Test pressure shall be maintained at or above the minimum test pressure for the durationof the test with the maximum allowable test pressure exceeding the minimum test
pressure by no more than 100 psi (690 kPa).
8C Test pressure shall be monitored continuously throughout the duration of the test usingthe following equipment as a minimum.
8C1 Chart recorder (including strip chart). The recording chart shall have a range such thatthe highest pressure recordable shall not exceed twice the maximum test pressure.
8C2 Deadweights (log required - readings shall be taken at 30-minute intervals).
8D Both the medium and ambient temperatures shall be monitored continuously throughout
the duration of the test using a chart recorder (including strip chart). A thermometer mayalso be used to assist in recording temperatures on the test log. Temperature readings areto be recorded on 30-minute intervals.
8E Calibration of all testing apparatus shall be maintained. Deadweight, recorders, andgauges shall have been calibrated within the last six (6) months. The serial number shall
be clearly indicated on the deadweight, gauges, and pressure and temperature recorders.If the pressure indicated by the monitoring devices deviates by more than 2%, then the
monitoring devices shall be recalibrated prior to continuing the hydrostatic test.
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8F All tests must be continuous for eight (8) hours for vessels, unless otherwise specified inthe Project Design Information. If the pressure drops below the specified minimum test
pressure during the testing, the test period will start over.
8G Vessel and testing medium temperature during hydrostatic testing shall not be less than60
oF (17
oC) above the ductile to brittle transition temperature of the steel or 39
oF (4
oC)
whichever is higher.
8H Test medium shall be clean and free of contaminants.
8I Manufacturer shall supply all materials necessary for testing, including blind flanges,gaskets, bolting, and other closures.
8J Any leaks identified during the test will void the test and the test period will start over.
8K All service piping, such as control piping or tubing, shall be pressure tested and inspectedfor leaks using a soap test.
8L Test medium may be added or removed for 8 hour tests from the system when required asa result of ambient temperature changes and shall be noted on the chart and on the log
with explanation. For test duration of less than 8 hours test medium may not be added orremoved.
8M If machining, welding, or cutting is performed after the hydrostatic test, an additionalhydrostatic test will be required after such work is completed. Machining, welding or
cutting shall not be performed after hydrostatic testing unless approved by the Company.
8N All nozzle reinforcing pads shall be pneumatically tested for leaks and checked with soapsolution, as specified by ASME BPVC.
8O Manufacturer shall ensure that the vessel is completely drained of hydrostatic test water,dried and cleaned of all fabrication dirt, slag, and other debris.
8P All internal sections of the vessel intended to hold liquids shall have tests performed inthe shop to prove that they do hold liquids and that there will be no bypassing from onesection to another within the vessel if specified in Project Design Information.
8Q Any flange connections disassembled for dewatering shall be properly reassembled andtorqued after testing is complete. Final inspection shall ensure that all flanges are
tightened prior to shipment.
9 INSPECTION
9A General
The Manufacturer shall provide the Company with bi-weekly shop production schedules
showing milestones for fabrication activity, testing and material delivery. The Companyshall be notified at the time of occurrence of each deviation from the schedule. Six
weeks from the originally planned shipping date, Manufacturer shall provide theCompany with weekly status reports indicating the current status and current projected
shipping dates.
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9B Radiography
9B1 All pressure-bearing butt welds shall be 100% radiographed in accordance with theASME BPVC, Section V, Article 2, which incorporates ASTM E-94 and ASTM E-142 (9B4). The essential hole size for penetrameter readings shall be in accordance
with the ASME BPVC, Section V. Manufacturer shall furnish a radiographic report.The radiographic film shall be kept on file and be available for review on request for a
period in accordance with AMSE BPVC requirements. Rejected film shall also be keptfor review.
9B2 Radiographic examination shall be performed in accordance with the qualified writtenprocedure. The procedure shall comply with the applicable requirements of Section V
of the ASME BPVC.
9B3 All defects shall be evaluated for acceptability using Paragraph UW-51 (b) of SectionVIII, Division 1, of the ASME BPVC. Repairs of unacceptable defects shall beperformed as provided in Paragraph UW-38 of Section VIII. The repair shall be
radiographed to Paragraph UW-51 of Section VIII.
9B4 All pressure bearing welds (nozzles, couplings, pipes, etc.) that cannot beradiographed (9B1) shall be ultrasonically examined in accordance with Article 5,Section V of the ASME Boiler and Pressure Vessel Code. All indications shall be
evaluated according to the acceptance standards of Appendix 12 of Section VIII,Division 1, ASME BPVC.
9C Vessel Shell and Head Inspection
Laminations are not acceptable in either the plate or the weld joint. The manufacturer is
to identify the procedure that will be used to verify that the plate used for fabrication ofthe vessel has no laminations prior to any fabrication.
9D Arc Burns
9D1 Arc burns must be repaired or removed. The burn may be removed by carefulgrinding with attention to contouring the ground areas, not creating grinding burns,and ensuring the remaining wall thickness under the burn is at least equal to the
greater of the following:
9D1.1 The minimum wall thickness required by the tolerances in the material
specification being used.
9D1.2 The minimum wall thickness required for the design pressure of the vessel butnever less than 95% of the original nominal wall thickness.
9D2 Arc burn removal shall be verified by ammonium persulfate or Nital solution.
10 IDENTIFICATION
10A A stainless steel nameplate shall be permanently attached to the vessel in a visiblelocation.
10B The following information shall be stamped on the nameplate:
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10B1 Model number
10B2 Serial number
10B3 Date of manufacture
10B4 Design pressure
10B5 Design temperature
10B6 Test pressure
10B7 Codes and standards to which vessel was manufactured (including editions)
10B8 ASME monogram
10B9 National Board number or CRN number10B10 Maximum rated flow at specified pressure and pressure drop if specified in the Project
Design Information
10B11 Use of sharp die stamps (welder identification stamps, etc.) is prohibited. Only low-stress die stamps shall be used for material identification.
11 SHIPPING
11A The vessel shall be prepared for shipment by the Manufacturer. Rust preventative greaseshall be applied to all flange facings. All openings shall be suitably covered or plugged
The Manufacturer shall ensure that the vessel preparation is suitable for outdoor storagefor up to 12 months. Manufacturer shall clearly state any special storage requirements.
11B Manufacturer shall fabricate and provide any special supports to facilitate shipment of thevessel.
11C Manufacturer shall exercise care in the tie-down of vessels to avoid damage to the vessel,the vessels appurtenances and the vessel finish. Manufacturer shall be responsible for
repair of all damage.
12 DOCUMENTATION
12A Documentation shall comply with the following:
12A1 Correspondence is in the English language.
12A2 Drawings and documents are dimensioned in English Imperial units for vessels to belocated in the United States.
12A3 Drawings and documents are dimensioned in SI units for vessels to be located inCanada.
12A4 Correspondence is forwarded to the address provided in the Project DesignInformation.
12B Shop detail drawings shall comply with the following:
12B1 Only instrumentation drawings are single line drawings.
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12B2 Details of the base ring and chairs for towers or saddles for horizontal vessels,complete with diameter of anchor bolt circle and the number and diameter of anchor
bolt holes, are shown.
12B3 Davit design is provided and ring type joint and slip on flanges are identified.
12B4 Pictorial and dimensional locations of all nozzles, associated piping, valves and anchorbolt holes on plan (or orientation) and elevation views, complete with details of
construction, are shown.
12B5 Instrumentation is shown on a separate schematic drawing.
12B6 Detailed weld drawings, complete with weld symbols for all welds and hold time andtemperature for preheating and stress relieving, is shown.
12B7 Tail dimensions are used for all appurtenances, internal and external, referenced to acommon base or datum line for elevation.
12B8 Radial dimensions originate from the vessel centerline and not from tangents on headsand weld seams.
12B9 Dimensional tolerances are identified.
12B10 Bill of Material numbers for all material is identified on elevation or plan view
12B11 Notes provide the following information:
12B11.1 A detail of all internal and external components
12B11.2 Bill of Material for all materials used for fabrication, covering item number,quantity, unit of measure, description of item (size, wall thickness, pressure rating,
material, etc.) and manufacturing specification or standard.
12B11.3 List of all specifications (Company or industry) and applicable codes and standardsused in design, fabrication, inspection and testing completed by the Manufacturer.
12B11.4 Design pressure and temperature rating.
12B11.5 Total weight of the vessel, both empty and full of water
12B11.6 Thickness, size, type and grade of material used for the shell and head.
12B11.7 Location of circumferential seams
12B11.8 Tentative location of longitudinal seams
12B11.9 Surface preparation requirement
12B11.10 Manufacturer, type and dry film thickness of paint system
12B11.11 Stamp design (U, R, etc.)
12B11.12 Pressure testing information, including maximum test pressure, minimum testpressure and proposed recording equipment
12B11.13 Vessel description, including model number, if applicable
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12B11.14 Name plate data information, when required
12B11.15 Company name and Purchase Order number
12B11.16 Drawing number with associated revision number
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Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
FIGUR E 1
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Prev. Issue Date: 09/17/2008 Section I of III
Material/Equipment Purchase Specification Revision Date: 09/18/2012 Page 27 of 27
Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
FIGURE 2
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Prev. Issue Date: 09/17/2008 Section I of III
Material/Equipment Purchase Specification Revision Date: 09/18/2012 Page 28 of 28
Title: SCRUBBERS AND FILTERS CROMWELL FUEL GAS FILTER SEPARATOR
FIGUR E 3
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Spec. Number: ES-VV2.8 REV. 1
Orig. Issue Date: 09/17/2008 Section II of III
Material/Equipment Purchase Specification Revision Date: 09/18/2012 Page 1 of 1
Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
Project Engineer: Andy Shomaker Design Manager: B. U. Representative:
SECTION II PROJECT DESIGN INFORMATION
TABLE OF CONTENTS
Page
13 PROJECT DESIGN INFORMATION 2
14 MANUFACTURER SUBMITTALS 10
15 PRESSURE TESTS 11
16 COATING SYSTEM: (7F) 12
17
LOGISTICS 13
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Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
13 PROJECT DESIGN INFORMATION
13A Purpose
The information in this section is cross-referenced with the specification and identifiesproject design requirements.
Project: Cromwell Compressor Station
Installation Location: 252 Shunpike Road Cromwell. Connecticut
Work Order: _CE.000030.019_____________________
RFQ Number: Item Number: V-2-9
13B Design Checklist
13B1 Code, if other than ASME BPVC Section VIII, Div 1(2001) (5A1)
13B1.1 Division 2
13B1.2 Other _____________________________
13B2 Units used for this data sheet
13B2.1 English
13B2.2 Metric13B3 This order is for a Vane Type Scrubber (5B)
13B3.1 Particle Removal Efficiency
13B3.1.1 Standard - Scrubber(s) shall be designed to remove 99.5% of all liquidparticles 8 microns and larger for the entire range of specified pressures andflows.
13B3.1.2 Other - Scrubber(s) shall be designed to remove % of all liquidparticles ___ microns and larger for the entire range of specified pressures and
flows. (5B1)
13B3.2 Pressure Drop13B3.2.1 Standard - The design pressure drop from the inlet to the outlet at rated
capacity at 1200 psig/kPa, gage operating pressure shall be between 1psid (6.9
kPad) and 3 psid (20.7 kPa). (A target of 1 psid (10.35 kPa) is to be used.)
13B3.2.2 Other - The design pressure drop from the inlet to the outlet at rated capacityat ___ psig/kPa, gage operating pressure shall be between ___ psid/kPa and ___psid/kPa. (A target of ___ psid/kPa is to be used.). (5B4)
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Orig. Issue Date: 09/17/2008 Section II of III
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Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
13B3.3 Noise
If noise level at rated conditions will exceed ___ dBa at ___ feet (metres) then
Manufacturer is to identify noise levels at design conditions.
13B3.4 Scrubber is to be designed for
13B3.4.1 unidirectional, or
13B3.4.2 bi-directional flow.
13B4 This order is for a Cyclone Tube Type Scrubber (5B)
13B4.1 Particle Removal Efficiency
13B4.1.1 Standard - Scrubber(s) shall be designed to remove 98% of all liquidparticles and solid particles 3 microns and larger for the entire range of specified
pressures and flows.
13B4.1.2 Other - Scrubber(s) shall be designed to remove % of all liquidparticles and solid particles microns and larger for the entire range ofspecified pressures and flows. (5B2)
13B4.2 Pressure Drop
13B4.2.1 Standard - The design pressure drop from the inlet to the outlet at ratedcapacity at ____ psig (kPa, gage) operating pressure shall be between 1 psid (6.9
kPa) and 3 psid (20.7 kPa). (A target of 1.5 psid (10.35 kPa) is to be used.).
13B4.2.2 Other - The design pressure drop from the inlet to the outlet at rated capacityat ___ psig (kPa, gage) operating pressure shall be between ___ psid (kPad and
___ psid. (kPa) (A target of ___ psid (kPa) is to be used.). (5B4)
13B4.3 Noise
If noise level at rated conditions will exceed ___ dBA at ___ feet (metres) thenManufacturer is to identify noise levels at design conditions.
13B4.4 Scrubber is to be designed for
13B4.4.1 unidirectional, or
13B4.4.2 bi-directional flow.
13B5 This order is for a Filter Separator (5C)
13B5.1 Standard - Filter separator(s) shall be designed to remove 99.5% of all liquidand solid particles 1 micron and larger over the entire range of specified pressures
and flows and the life of the elements.
13B5.2 Coalescing - Filter separator(s) shall be designed to remove 99.5% of all liquidand 99.9% of all solid particles 0.3 microns and larger over the entire range ofspecified pressures and flows and the life of the elements.
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Material/Equipment Purchase Specification Revision Date: 09/18/2012 Page 4 of 4
Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
13B5.3 Other - Filter separator(s) shall be designed to remove _ _% of all liquidparticles _ _ microns and larger and _ % of all liquid particles _ to _
microns over the entire range of specified pressures and flows and the life of theelements. (5C2)
13B5.4 Other - Filter separator(s) shall be designed to remove 100 % of all solidparticles _ _ microns and larger and _% of all solid particles _ _ to _ _ microns
over the entire range of specified pressures and flows and the life of the elements.
13B5.5 Standard - The design pressure drop from the inlet to the outlet at ratedcapacity at (747-754) psig (kPa, gage) operating pressure shall be between 1 psid(6.9 kPa) and 3 psid (20.7 kPa). (A target of 1.5 psid (10.35 kPa) is to be used.)
13B5.6 Other - The design pressure drop from the inlet to the outlet at rated capacity at___ psig (kPa, gage) operating pressure shall be between ___ psid (kPa) and ___
psid (kPa). (A target of ___ psid (kPa) is to be used.) (5C6)
13B6 This order is for a Dry Gas Filter (5D)
13B6.1 Standard - Dry gas filter(s) shall be designed to remove 99.5% of all solidparticles 1 microns and larger for the entire range of specified pressures and flows
and the life of the elements
13B6.2 Other - Dry gas filter(s) shall be designed to remove ___% (nominal) of allsolid particles ___ microns and larger and ___% (absolute) of all solid particles ___
microns and larger for the entire range of specified pressures and flows and the lifeof the elements. (5D3)
13B6.3 Standard - The design pressure drop from the inlet to the outlet at ratedcapacity at ___ psig (kPa, gage) operating pressure shall be between 1 psid (6.9kPa) and 3 psid (20.7 kPa). (A target of 1.5 psid (10.35 kPa) is to be used.).
13B6.4 Other - The design pressure drop from the inlet to the outlet at rated capacity at___ psig (kPa, gage) operating pressure shall be between ___ psid (kPa) and ___
psid (kPa). (A target of ___ psid (kPa) is to be used.).
13B7 Other - Alternate Design _____________________________________
13B7.1 Particle Removal Efficiency13B7.1.1 The alternate design shall be designed to remove % of all solid
particles ___ microns and larger and ___% of all solid particles ___ to ___microns for the entire range of specified pressures and flows.
13B7.1.2 The alternate design shall to remove ___% of all liquid particles ___ micronsand larger and ___% of all liquid particles ___ to ___ microns for the entire
range of specified pressures and flows.
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Orig. Issue Date: 09/17/2008 Section II of III
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Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
13B7.2 Pressure Drop
13B7.2.1 The design pressure drop from the inlet to the outlet at rated capacity at ___psig (kPa, gage) operating pressure shall be between ___ psid (kPa) and ___psid (kPa). (A target of ___ psid (kPa) is to be used.).
13B7.3 Alternate design is to be designed for
13B7.3.1 unidirectional, or
13B7.3.2 bi-directional flow
13C Design Conditions
Each scrubber, filter separator, and dry element filter and all accessory equipmentshall be designed to meet the following process conditions:
13C1 Service(1A, 7D1.3)
13C1.1 Sweet Natural Gas
13C1.2 Sour Natural Gas
13C1.3 Low Temperature
13C1.4 Other (specify)
13C2 Design Pressure 850 psig kPa, gage (5A3)
13C3 Vacuum Design ______ psi kPa
13C4 Design Temperature (5H1)
13C4.1 Minimum -20 oF _____
13C4.2 Maximum 200 oF _____
13C5 Gas Composition
Component Mole %
Water =
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Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
COSC6+
Total 100
13C5.1 Potential gas stream contaminants may contain both suspended and condensedliquids and solids.
13C5.2 Liquids can be line hydrates and condensates, synthetic and mineral compressoroils, water and brine.
13C5.3 Solids present in gas vary in quantity and size, but normally include dust, sand,small stones and welding slag.
13C6 Wind Load 100 mph kph (5A14)
13C7 Snow Load lbs/ft2 kg/m
13C8 Seismic (state applicable building code)
13C9 Pipe Loads lbs kg (5A15)
13C10 Process Operating Conditions (5A)
13C10.1 Conditions at Maximum Flow (@14.73 psig saturated, 60oF)
13C10.1.1 Gas Pressure
13C10.1.1.1 Minimum 747 psig kPa, gage
13C10.1.1.2 Design _ 754_ __ psig
13C10.1.1.3 Maximum 850 psig kPa, gage
13C10.1.2 Gas Temperature
13C10.1.2.1 Minimum _60 F C
13C10.1.2.2 Design _132____F
13C10.1.2.3 Maximum _132 F C
13C10.1.3 Gas Flow __144,000 SCFH _________ sm3/h
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Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
13C10.2 Conditions at Minimum Flow (@14.73 psig saturated, 60oF)
13C10.2.1 Gas Pressure
13C10.2.1.1 Minimum 747_ psig kPa, gage
13C10.2.1.2 Design _754____ psig
13C10.2.1.3 Maximum 850_ __ psig kPa, gage
13C10.2.2 Gas Temperature
13C10.2.2.1 Minimum _60 F C
13C10.2.2.2 Design _132____F13C10.2.2.3 Maximum _132 F C
13C10.2.3 Gas Flow __144,000_ SCFH sm3/h
13C10.3 Conditions at Normal Flow (@14.73 psig saturated, 60oF)
13C10.3.1 Gas Pressure
13C10.3.1.1 Minimum 747_ psig kPa, gage
13C10.3.1.2 Design _754____ psig
13C10.3.1.3 Maximum 850__ psig kPa, gage
13C10.3.2 Gas Temperature
13C10.3.2.1 Minimum _60 F C
13C10.3.2.2 Design _132____F
13C10.3.2.3 Maximum _132 F C
13C10.3.3 Gas Flow 144,000_ SCFH _____ sm3/h
13D Vessel Dimensions
13D1 Vendor Specified
13D2 Length (seam-to-seam) in. _____ mm.
13D3 Inside Diameter in. _____ mm.
13E Slug Holding Capacity
13E1 Vendor Specified
13E2 From normal liquid level to maximum allowable level gal. L
13E3 From bottom of vessel to maximum allowable level gal. L
13F Slug Rate
13F1 Vendor Specified
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Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
13F2 Maximum slug rate gal/min L/min
13G Connections - sizes, flange ratings, and location
Type Size Rating LocationInlet VTD ANSI 600# Side
Outlet VTD ANSI 600# SidePress. Diff. 1 6000# NPT Side (2)
Filter Section (Top Chamber)
Type Size Rating Location
Level Control 1-1/2 6000# NPT Side (2)Relief Valve 1 6000# NPT Side
Gauge Glass 6000# NPT Side (2)Vent 6000# NPT Side
Drain 1 6000# NPT Side
Filter Section (Bottom Chamber)Type Size Rating Location
Level Control 1-1/2 6000# NPT Side (2)
Gauge Glass 6000# NPT Side (2)Drain 1 6000# NPT Bottom
13H Vessel Orientation
13H1 Vertical
13H2 Horizontal
13I Mist Extractor Type
13I1 Vane
13I2 Mesh pad
13I3 Stainless steel vane
13I4 Cylone Tubes
13I5 Not required
13J Type of Filter Separator or Dry Gas FilterAccess Opening (5C1)
13J1 Full sized flange w/blind flange
13J2 Full section ASME quick-opening end closure
13J3 Reduced section ASME quick-opening end closure
13J4 Yoke style quick opening closure
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Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
13K Filter Element Size
13K1 Vendor Specified
13K2 in. O.D. x in. long, or
13K3 mm O.D. x mm long
13L Reflex Sight Gauge Glass (7E2)
13L1 EG-PPP
13L2 Other Penberthy Model Gage Valve
13M Liquid Level Controller (7E3)13M1 EG-PPE
13M2 Other Magnetrol Model W/3-15 PSI Output Signal, 1 1/2WNRF & Fisher67AFR Pressure Regulator, 5 to 35 PSIG Range
13N High Level Shutdown Switch (7E4)
13N1 EG-PPE
13N2 Other Magnetrol 961 Echotel Ultrasonic With 1 NPT Pipe ConnectionsNEMA 7 Enclosure, 1NPT Conduit 24 VDC
13N3
13O Automatic Dump Valve (7E5)
13O1 EG-PPE
13O2 Other Fisher Model 357 Globe Body Style W/ Port, 1600# RF Flangesand Fail Closure Actuator
13O3
13P Relief Valve (5A9,7E6)
13P1 EG-PPE
13P2 Other AGCO
13Q Differential Gauge/Switch (4C6)
13Q1 EG-PPE
13Q2 Other
13R Other Instrumentation
13R1 EG-PPP
13R2 Other
13S Sump Flanges
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Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
13S1 Sumps shall have end flanges rather than closures. (5F1)
13S2 Sump flange projections to be adequate for the removal of bolts with ___ inchesor mm of insulation thickness (5F2)
13T Nozzle Projection
Nozzle projections to be adequate for the removal of bolts with ___ inches ormm of insulation thickness (5A24)
13U Vortex Breakers
Vortex breakers to be provided for drains and siphons (5E2)
13V Nameplate Identification
Nameplate to include maximum rated flow at specified pressure and pressure drop
13W Internal Section Integrity Testing
Internal sections of the vessel to be tested to prove they hold liquids and there will be
no bypassing.
13X Internal Pickling
Internal surfaces of vessel to be pickled, connections sealed by blind flanges and/orplugs and a low pressure (5 psig / 35 kPa) nitrogen blanket placed on the vessel in
accordance with Manufacturers procedure approved by the Company.
14 MANUFACTURER SUBMITTALS
14A Two (2) certified and one (1) electronic copy of full shop drawings incorporatingCompany comments. Drawings to be signed by registered engineer in the location of
the project. (4B4)
14B Complete and submit a fatigue analysis in accordance with AD-160 of ASMESection VIII, Division 2, Appendices 4 and 5. (4C1)
14C Complete and submit a dynamic stress analysis for all vessels with height/diameterratios greater than 12 or periods of vibration greater than 0.4 seconds where confirmed bythe Freese or Zorilla methods. (4C2)
14D Complete and submit a stress analysis in accordance with Stresses in LargeHorizontal Cylindrical Pressure Vessels on Two Saddle Supportsby L.P. Zick for large
horizontal pressure vessel. (4C3)
14E Complete and submit a stress analysis in accordance with WRC-107 or WRC-297whenever external loads are likely to create significant vessel shell stresses. Location,magnitude and direction of external loads are identified in attached external loading
report. (4C4)
14F Complete and submit an analysis of flow distribution across all vanes and elements inthe vessel. (4C5)
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Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
14G Provide the Company with two (2) certified copies of the analyses completed prior tomanufacturing, stamped by a registered professional engineer in the State or Province in
which the vessel will be located, if specified in the Project Design Information. (4C6)
14H Provide the Company with one (1) copy of the calculations for (4C7):
14H1 Pressure containment, including vessel wall thickness, nozzle wall thickness, andnozzle reinforcement thickness and area requirements (4C7.1)
14H2 Sizing and mounting of vessel structural supporting skirts of piers and lifting lugs(4C7.2)
14H3 Vessel stress loading and maximum allowable expansion stresses to be applied tonozzles (4C7.3)
14H4 Wind or other external loadings (4C7.4)
14H5 Flange design (4C7.5)
14I Provide the Company a copy of all welding procedures to be used, detailingschematic depiction of weld joint arrangement, number and sequence of passes,
description of welding positions to be utilized, details of all welding parameters (i.e.amperages, welding machine wire speeds and inert gas flow rates), consumables
preheating procedures and post-heat treatment procedures. (4C8)
14J Provide the Company a copy of welding procedure qualification reports for each
welding procedure certifying the acceptability of the weld physical properties producedby the welding procedure using applicable materials and conditions similar to the location
of fabrication. (4C9)
14K Submit material test reports for pressure containing materials (4C10)
14L Provide the Company with a copy of the procedure to be used to have the vesselsinternal surfaces pickled, connections sealed by blind flanges and/or plugs and a low
pressure (5 psig / 35 kPa) nitrogen blanket placed on the vessel. (7F4)
15 PRESSURE TESTS
15A Duration
15A1 US applications Standard - All tests must be continuous for eight (8) hours forvessels.
15A2 Canadian All test durations shall be as specified in the appropriate ASMEsection accepted by CSA Z662.
15A3 Other - All tests must be continuous for ___ hours for vessels. (8F)
15B Pressure
All vessels, valves and attachments shall be hydrostatically tested at:
15B1 US Applications - one and a half (1) times the design pressure for vessels
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Title: SCRUBBERS AND FILTERS PROJECT DESIGN INFORMATION
Project: Cromwell Compressor Station Project Issue Date: 07/01/2014
15B2 Canadian All test pressures shall be as specified in the appropriate ASMEsection accepted by CSA Z662.
15B3 Other times the design pressure for vessels. (8A)
15B4 All internal sections of the vessel intended to hold liquids shall have testsperformed in the shop to prove that they do hold liquids and that there will be nobypassing from one section to another within the vessel and a detailed report is to be
attached. (8P)
16 COATING SYSTEM: (7F)
16A1 Manufacturer Standard Coating System
16A2 Company Coating System
16A3 Coating Surface Preparation Requirement (See the latest edition of the CoatingSpecifications and Referencessupplied by the Company)
16A3.1 SSPC No. SP10
16A3.2 Anchor Pattern Depth 1.0-1.5 Mils
16A4 Painting System (See the latest edition of Coating Specifications and Referencessupplied by the Company)
16A4.1 System No.
16A4.2 Paint Manufacturer
16A4.3 Primer
16A4.3.1 Paint No. Inorganic Zinc
16A4.3.2 No. of Coats
16A4.3.3 Dry Film Thickness mils
16A4.4 Intermediate Coat
16A4.4.1 Paint No. Epoxy
16A4.4.2 No. of Coats
16A4.4.3 Dry Film Thickness mils
16A4.5 Top Coat
16A4.5.1 Paint No. Polyurethane
16A4.5.2 No. of Coats
16A4.5.3 Dry Film Thickness 1.0-1.5 mils
16A4.5.4 Finish Coat Color (FSC#) 37200
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Material/Equipme