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Now this is Process Safety Information!! PDF Print E-mail
Safety Info Posts - Chemical Process Safety (PSM/RMP)
Written by Bryan Haywood   
Wednesday, 01 August 2012 20:16

I think someone has awakened the giant within the USA Government Safety Agencies!  Below is a SUMMARY of the document request from the Federal Energy Regulatory Commission (FERC) to a business wanting to build a Gas Liquefaction Plant in Corpus Christi, TX.  For those involved in Process Safety, the list will be recognizable; but ask yourself... Would I be able to provide all of these requested documents as they relate to my facility?  And we thought the Process Safety Information element was extensive for our plants.

Facility description

PROVIDE a general description of the facility. References to the body of the document and appendices should be kept to a minimum as this description may be used on its own, without access to supporting information.

  • Owner, operator and principal contractors
  • Location and site information
  • LNG receiving terminal; source and market for product
  • LNG receiving terminal; storage, import and sendout capacities and conditions
  • Base load liquefaction; source of feed gas and market for product
  • Base load liquefaction; capacities of feed gas, pretreatment, liquefaction, fractionation products
  • Base load liquefaction; storage,  product shipping and sendout capacities and conditions
  • Peak shaving; source of feed gas and market for product
  • Peak shaving; capacities of feed gas pretreatment and liquefaction
  • Peak shaving; storage, vaporization, sendout capacities and conditions
  • Satellite; source of LNG and market for sendout
  • Satellite; storage, vaporization, sendout capacities and conditions
  • LNG trucking facilities
  • List of major systems and components
  • Design features 
  • Utilities and services
  • Safety features for containment
  • Safety features for fire protection
  • Emergency response
  • Operating modes
  • Commissioning and cooldown
  • Operation and maintenance
  • Staffing structure
  • Future plans
  • Drawings
    • Area location map
    • Site plan
    • Organizational plan

Site plans

PROVIDE a description summarizing the site development and any changes required to improve soil conditions, the type of foundations required, the road system for access and egress, equipment layout, berms and walls. The proposed layout plans with coordinates and dimensions should be provided, clearly showing the proposed location of all equipment, pipe racks and services.

  • Site description
    • Location
    • Site development
    • Soil and site preparation
    • Foundations
    • Roads
    • Equipment layout considerations
    • Berms and walls
  • Drawings
    • Site plans - 
      • Area plan - Surrounding area, plant and property lines
      • Site plan - Overall layout of the facilities showing property lines, roads, gates, access control and emergency routing
      • Overall plot plan - The plot plan should show the location of all major equipment, pipe racks and spill containments, with sufficient detail to verify the safe spacing of all equipment and buildings as required by NFPA 59A – 2001 edition.

Plot plans

PROVIDE unit plot plans for each process area or system showing the locations of all equipment. Each area and piece of equipment should be clearly labeled.  The unit plot plans should be detailed enough to allow for measurement of distances between various components with a reasonable degree of accuracy. Specifically, the smallest scale used should be 1-inch to 100-feet (1:1200). 

  • Marine berth and mooring
  • Unloading platform and jetty
  • Unloading piping
  • LNG tank piping
  • Pipeline tie in and meter station
  • Feed gas pretreatment
  • Liquefaction
  • Steam generation
  • Fractionation
  • Refrigerant manufacture and storage
  • LNG pumps
  • LNG vaporizers
  • Btu stabilization
  • Boiloff compressors and blowers
  • Boiloff recondensation
  • Vents and flares
  • Sendout metering
  • Major utility systems

Basis of design

PROVIDE a detailed basis of design specifying the conditions and features that are required to be incorporated in the design and construction of the facility.

  • Guarantee conditions
    • Total net storage capacity bbl(m3)
    • Net storage capacity per tank bbl(m3)
    • Gross capacity per tank bbl(m3)
    • Liquefaction capacity MMscfd
    • LNG export rate MMscfd
    • Fractionation products rate bbl/h(m3/h)
    • Maximum vaporization sendout rate MMscfd
    • Minimum vaporization sendout rate MMscfd
    • Pipeline pressure at maximum sendout rate psig
    • Sparing philosophy for equipment and utilities, list of operating, standby and backup.
  • Site conditions
    • Site elevations ft
      • Platform
      • Inner tank bottom
      • Process areas
      • Impoundment floor
      • Roads
        • Elevation reference NAVD
        • Channel depth ft
        • Channel width ft
        • Berth depth ft
        • Tidal range, elevations ft
        • Normal channel current Kts
        • Maximum channel current Kts
        • Frost line depth ft
      • Emissions
        • NOX ppm
        • CO ppmVOC ppm
        • PM ppm
        • Water discharge restrictions
      • Seismic
        • Maximum considered earthquake design philosophy
        • Systems designed to operating basis earthquake, OBE
        • Systems designed to safe shutdown earthquake, SSE
        • Ground motion detection:  identify systems that alarm and shutdown
      • Climatic conditions
        • Minimum design temperature F
        • Maximum design temperature F
        • Barometric pressure inches Hg (mbar)
        • Barometric pressure rate of change inches Hg/h (mbar/h)
        • Wind direction from
        • Design wind speed mph
        • Hurricane design force mph or storm category
        • Storm surge height ft
        • Rain fall 100 year storm inches per hour
        • Snow load ft
      • Shipping
        • LNG vessel capacity range m3
        • LNG vessel unloading frequency per year
        • LNG vessel port time, pilot on to pilot off h
      • Mooring
        • Number of berths
        • Turning basin yes/no
        • Jetty yes/no
        • Trestle yes/no
        • Tug services Owned/Leased
        • Tug services Full time/As required
      • LNG cargos
        • Source
          • LNG specifications, range of conditions
            • Composition, molecular weight, HHV, LHV, specific gravity at
            • cargo equilibrium pressure/temperature
          • LNG vessel cargo design condition for unloading and vapor recovery:
            • Composition, molecular weight, HHV, LHV, specific gravity,
            • equilibrium temperature (F) and cargo pressure (psig)
          • Maximum cargo equilibrium pressure psig
          • Design cargo equilibrium pressure psig
      • Unloading
        • Unloading arms and size per dock liquid No. ins
        • Unloading arms and size per dock vapor No. ins
        • Unloading maximum rate gpm (m3/h)
        • Unloading minimum pressure at ship manifold psig
        • Unloading maximum pressure at ship manifold psig
        • Design pressure, arms and piping psig
        • Maximum vapor return pressure at ship manifold psig
        • Maximum vapor return temperature at ship manifold F
      • Feed gas
        • Source
        • Natural gas specifications, range of conditions
          • Composition, molecular weight, HHV, LHV
        • Maximum battery limit pressure psig
        • Minimum battery limit pressure psig
      • Pretreatment
        • Maximum flow rate to pretreatment MMscfd
        • Minimum flow rate to pretreatment MMscfd
        • Design pressure to pretreatment psig
        • Design temperature to pretreatment F
        • Treated gas specifications, range of conditions
          • Composition, molecular weight, HHV, LHV
        • Maximum pressure to liquefaction psig
        • Minimum pressure to liquefaction psig
        • Design temperature to liquefaction F
        • Maximum flow rate to liquefaction MMscfd
      • Regeneration gas
        • Disposal of tail gas
        • Regeneration gas specifications, range of conditions
          • Composition, molecular weight, HHV, LHV
        • Maximum delivery pressure psig
        • Minimum delivery pressure psig
      • Liquefaction
        • LNG to storage; specifications, range of conditions
          • Composition, molecular weight, HHV, LHV
        • Net LNG to storage; specifications, range of conditions
          • Composition, molecular weight, HHV, LHV
        • Condenser outlet temperature F
        • Cooling water temperature F
        • Air temperature F
        • Liquefaction outlet temperature F
        • Liquefaction outlet pressure psig
        • Net LNG to storage MMscfd
      • Fractionation products
        • Fractionation products; specifications, range of conditions
          • Composition, molecular weight, HHV, LHV
        • Product flow rate bbl/h(m3/h)
        • Product outlet temperature F
        • Product outlet pressure psig
        • Product storage pressure psig
      • Storage
        • Type of tank
        • Foundation
        • Secondary containment
        • Number of tanks
        • Gross capacity per tank bbl(m3)
        • Working capacity per tank bbl(m3)
        • Design pressure psig
        • Design vacuum inches H2O
        • Working pressure psig
        • Specific gravity
        • Boiloff rate percent (%) per day
      • Tank pumps
        • Type of pump. Intank, or pot mounted
        • Number of pumps operating and spare
        • Design flow rate gpm (m3/h)
        • Head at rated flow ft
        • Head at shutoff ft
        • Maximum LNG specific gravity
        • Shutoff pressure psig (at design LNG specific gravity and suction pressure)
        • Rated and design specific gravity
      • Sendout pumps
        • Type of pump(s)
        • Number of pumps operating and spare
        • Design flow rate gpm (m3/h)
        • Head at rated flow ft
        • Head at shutoff ft
        • Maximum LNG specific gravity
        • Shutoff pressure psig (at design LNG specific gravity and suction pressure)
        • Rated and design specific gravity
      • Vaporizers
        • Vaporizer type
        • Vaporizers operating and spare
        • Emission control
        • Design flow rate each MMscfd
        • Design heat rate each MMbtu/h
        • Design pressure psig
        • Design discharge pressure psig
        • Design discharge temperature F
      • Gas liquid removal
        • Process
        • Throughput capacity MMscfd
        • Column operating pressure psig
        • Column design pressure psig
      • Btu adjustment
        • Process
        • Throughput capacity MMscfd
        • Pipeline Btu and composition specification
      • Battery limit
        • Design flow rate MMscfd
        • Maximum pressure vaporizer outlet psig
        • Pipeline maximum allowable operating pressure psig
        • Maximum allowable pipeline temperature F
        • Minimum allowable pipeline temperature F
      • Vapor handling 
        • Vapor return blower type
        • Vapor return blower operating and spare
        • Vapor return blower each MMscfd
        • Vapor return blower discharge pressure psig
        • Low pressure compressor type
        • Low pressure compressors operating and spare
        • Low pressure compressors each MMscfd
        • Low pressure compressor discharge pressure psig
        • Vapor recondensation process
        • Maximum vapor flow rate MMscfd
        • Design vapor recondensation flow rate MMscfd
        • Required LNG send out rate MMscfd
        • High pressure compressor type
        • High pressure compressors operating and spare
        • High pressure compressors each MMscfd
        • High pressure compressor discharge pressure psig
      • Vent stacks
        • Vent type
        • Vent sources and rates
        • Maximum flow to vent MMscfd, MWt, F, psig.
      • Flares
        • Flare type
        • Flare sources and rates
        • Maximum flow to flare MMscfd, MWt, F, psig.
      • Fuel gas
        • Source
        • Flow rate MMscfd,MWt, F, psig.
        • Pressure levels psig.
        • Minimum temperature at pressure levels F @ psig
        • Design temperature at pressure levels F @ psig
        • Odorized yes/no
      • LNG Trucking
        • Number of trucks per year
        • Number of trucks per day loading
        • Number of trucks per day unloading
        • LNG unloading rate usgpm
        • LNG truck fill rate usgpm
      • Electrical
        • Main power utility supplier
        • Utility supply voltage kV
        • Utility supply capacity kVA
        • Main power generated onsite yes/no
        • Main power generators number, type, kV, kVA
        • Emergency power supply Utility/Generated
        • Emergency power generators  number, type, kV, kVA
        • Emergency power voltage kV
        • Emergency power capacity kVA
        • UPS services, voltage, size and capacity V,kVA, h
      • Control Instrumentation
        • Design of Distributed Control System (DCS) manufacturer
        • Control system software supplier
        • Safety instrumentation system type
      • Instrument air
        • Compressors type
        • Drying system type
        • Flow rate scfm
        • Pressure psig
      • Plant air
        • Compressors type
        • Flow rate scfm
        • Pressure psig
        • Inert gas
        • Source
        • Flow rate scfm
        • Pressure psig
      • Nitrogen
        • Source
        • Liquid nitrogen storage capacity usg
        • Flow rate scfm
        • Pressure psig
      • Fire water
        • Source mains/storage/other
        • Pump and driver type
        • Pump rated capacity usgpm, hp, psig
        • Pumps operating and standby
        • Make up water source
        • Make up water available flow rate usgpm
        • Make up water available pressure psig
        • Fire water storage type and capacity usg
        • Fire water design flow rate usgpm
        • Fire water supply pressure psig
        • Fire water nozzle pressure psig
      • Cooling water
        • Source
        • Available flow rate usgpm
        • Delivery pressure psig
        • Return pressure psig
        • Maximum temperature F
        • Minimum temperature F
        • Design temperature F
      • Hydrotest water
        • Source
        • Available flow rate usgpm
        • Pressure psig
      • Utility water
        • Source
        • Flow rate usgpm
        • Pressure psig
      • Fire protection
        • Fire protection service
      • Site security
        • Site security service

Major process systems

PROVIDE technical descriptions of each process system, which should include a general description of the process, the design conditions and technical features of the process, special features and provisions for cooldown, startup and operation, special operating modes, emergency shutdown, isolation and maintenance of the system. The descriptions should reference P&IDs, drawings, specifications and other documents contained in the Project Manual.

Marine

PROVIDE a technical description of the marine facilities, which should include the turning basin, slip, dock mooring arrangement, jetty/trestle, dock, unloading platform, arm design, arm arrangement and PERC system, cargo transfer, spill containment, vapor return.

  • Dock mooring arrangement and turning basin, jetty/trestle, dock
  • Marine facility spacing  
  • LNG vessel size, transfer design rates and pressure
  • Unloading platform
  • Unloading arm and piping design conditions
  • Piping design
  • Vent and blow down design
  • Platform details
  • Platform, dock and jetty fire protection
  • Security provisions
  • Operating and safety systems
  • Drawings
    • Overall layout
    • Berthing layout
    • Jetty to platform layout
    • Jetty to platform elevations
    • Platform piling plan and section
    • Trestle piping plan
    • Pipe trestle sections and details
    • Platform elevation showing high and low water levels

Unloading

PROVIDE a technical description of the unloading system, including LNG vessel unloading rates and conditions, unloading line system, circulating system, isolation valves, drain and vent systems, and spill control.

  • LNG vessel capacities, unloading rates and conditions
  • Vapor return desuperheating
  • Liquid removal
  • LNG relief valve discharge containment
  • LNG vents and drains
  • Isolation valves

Feed gas pretreatment

PROVIDE a technical description of the feed gas pretreatment, including pipeline battery limit conditions, feed gas flow rates and conditions, pretreatment system, heating and cooling systems and disposal of regeneration gas and liquids.

  • Pipeline conditions and battery limit metering and regulation
  • Feed gas flow rates and composition variations
  • Carbon dioxide removal system
  • Water removal system
  • Removal of other impurities
  • Regeneration heating and cooling
  • Disposal of regeneration gas and liquids

Liquefaction

PROVIDE a technical description of the liquefaction system, including the liquefaction process, refrigerant exchangers, refrigeration compressors and drivers, cooling system, refrigerant production, refrigerant storage and refrigerant loading.

  • Liquefaction process
  • Liquefaction equipment and operating conditions
  • Refrigerant exchangers and mid point heavy hydrocarbon removal
  • Refrigerant compressors and drivers
  • Cooling system
  • Refrigerant production and specifications
  • Refrigerant storage
  • Refrigerant loading

Fractionation, base load liquefaction

PROVIDE a technical description of the fractionation system, including the demethanizer system design, demethanizer start up and operating conditions, Deethanizer, depropanizer, debutanizer and  refrigerant production. Fractionation product storage and export.

  • Demethanizer
  • Deethanizer
  • Depropanizer
  • Debutanizer
  • Refrigerant manufacture
  • Ethane product specification, storage and export
  • Propane product specification, storage and export
  • Butane product specification, storage and export
  • C5 plus product specification, storage and export

Vapor handling

PROVIDE a technical description of boiloff gas handling systems, vapor return blowers, boiloff gas low pressure compression, boiloff gas condensation, boiloff gas high pressure compression.

  • Vapor return to the LNG vessel
  • Boiloff gas low pressure compression
  • Boiloff gas recondensation
  • Boiloff gas high pressure compression

LNG Sendout system

PROVIDE a technical description of the sendout process from storage to the meter station, which should include equipment utilization, operating conditions and capacities for sendout pumps, vaporizers and boiloff gas condensation systems. The utilization of the pump system for LNG transfer between tanks, unloading line cooling, recirculating systems for pump minimum flow pump suction headers and LNG surge vessels.

  • Low pressure LNG pumps, minimum flow, low pressure LNG recycle systems from high pressure pump suction
  • Inter tank LNG transfer systems
  • Unloading line cooling
  • High pressure LNG pumps, pump vessel vent system, minimum flow recycle
  • LNG vaporization
  • LNG vaporizer heating system
  • Emissions control requirements and sytem

Generated water handling/disposal system

 

Gas liquid removal LNG receiving terminals

PROVIDE a technical description of the process, which should include basis of design, operating conditions, startup and shutdown conditions, product handling, vent and drain requirements. The description should include the basis of design for providing containment within the maximum allowable operating pressure of the system. A description of the equipment should include type of equipment and any special features of design, or operation.

  • Fractionation system
  • Equipment design features
  • Operating considerations
  • Startup and shutdown conditions
  • On site product storage
  • Product sendout

Btu adjustment

PROVIDE a technical description of the process, which should include the basis for the design including pipeline composition limits, the equipment capacities, operating conditions and systems designed to prevent the operation of the system outside the limits of the specified conditions.

  • Btu adjustment requirements
  • Btu adjustment system
  • Equipment design features
  • Operating considerations
  • Startup and shutdown conditions

Vent and flare systems

PROVIDE the basis of design for vents and flares and the anticipated operating conditions for vent or flare operation, the design features of the equipment including operating conditions and special design conditions. The information should include dimensions of the flare or vent and maximum capacity, with radiation conditions for flares and ignited vent stacks, and vapor dispersion considerations for cold vents.

  • Vent system
  • Flare system

Pressure relief

PROVIDE the design philosophy for containment and handling of relief valve discharge for LNG, other liquid hydrocarbons, cryogenic flammable vapors, non-cryogenic flammable vapors and non-flammable fluids.

  • LNG relief valve discharge
  • Hydrocarbon liquid relief valve discharge
  • Cryogenic flammable vapor relief valve discharge
  • Non-cryogenic flammable vapor relief valve discharge
  • Non-flammable relief valve discharge

Sendout metering

PROVIDE a technical description of the sendout metering system, which should include the design conditions of the meter station, design pressure and temperatures, overpressure safety system, isolation system, metering instrumentation and analysis of sendout. The description of the pipeline system should include the size, maximum allowable operating pressure, maximum and minimum allowable operating temperatures and the minimum operating pressure of the pipeline.

  • Meter station
  • Metering system
  • Pipeline

LNG product loading marine

PROVIDE a technical description of the LNG loading and custody transfer system, which should include analysis of product, measurement of LNG product delivered to the LNG vessel, LNG loading pumps, loading arms, vapor return handling, control and shutdown systems.

  • LNG product analysis
  • LNG product measurement
  • LNG loading pumps
  • Loading arms
  • Vapor return handling
  • Control and shutdown
  • Safety features

LNG product loading and unloading trucking

PROVIDE a technical description of the LNG truck loading and unloading system, which should include a description of the system, vapor handling, method of operation and safety features

  • LNG truck stations
  • LNG truck weighing
  • LNG truck loading system
  • LNG truck unloading system
  • Vapor handling
  • Method of operation
  • Safety features

Commissioning plan

PROVIDE a description of the commissioning plan, which should include a summary of the transition between mechanical completion, pre-commissioning and commissioning, electrical and control system checks, the method for tightness testing, inerting and cooldown of the systems, the certification of readiness to operate.

  • Commissioning plan summary
  • Mechanical completion verification and sign off
  • Pre-commissioning activities
  • Commissioning

LNG storage tanks

Provide manuals and preliminary drawings for LNG storage tank(s).

PROVIDE a technical description of the proposed LNG storage tank, which should include essential features of the tank design and foundation system, piping support systems on the tank and support between the tank and horizontal ground piping, tank spill protection and instrumentation.

  • LNG tank
  • Tank foundation
  • Insulation systems
  • Piping support system
  • Spill containment and protection
  • Tank level gauging and overfill protection
  • Tank pressure measurement and control
  • Cooldown sensors
  • Leak detection instrumentation
  • Assessment for rollover and site specific guidelines for prevention of rollover
  • Basis of design

LNG tank siting diagram

PROVIDE schematic elevation section of tank dike and the tank, at the minimum distance between the outer tank wall and dike, showing the maximum liquid height, height of top of dike and distance from inside top of dike to inner tank wall.

  • Design considerations, basis and calculations for sizing pressure and vacuum relief valves
  • Instrument list
  • LNG tank drawings with dimensions
    • Overall tank drawing with dimensions and design data
    • Foundations
    • Elevation section
    • Insulation systems
    • Corner thermal protection
    • Piping penetrations and schedule of openings
    • Piping support structure
    • Roof spill containment and protection
    • Tank base spill protection
    • Top and bottom fill piping
    • In-tank pump column and support arrangement
    • Relief valve and discharge orientation
    • Temperature sensor locations
    • Undertank heating
    • Cathodic portection
    • LNG level and density instruments
    • Temperature sensors

Utilities

PROVIDE technical descriptions of each utility system that address the design and operation of the system. Electricity and fuel gas are included in sections 11 and 12 respectively. The descriptions should reference P&IDs, drawings, specifications and other documents contained in the Project Manual.

  • Instrument air
  • Plant air
  • Nitrogen
  • Service water
  • Chemical treatment
  • Other utilities

Equipment data         

PROVIDE equipment data for the major process components. The information should include a complete list of process and utility equipment, design data sheets and manufacturers’ information.

Equipment list with design conditions

PROVIDE the equipment list with design conditions. Design conditions should be appropriate for the type of equipment and should include as applicable; design pressure and temperature conditions, equipment dimensions, rated and normal flow capacity, rated and normal heating capacity, heat transfer area, motor horse power and voltage, as applicable.

Equipment data

PROVIDE equipment process data sheets for summary reference. The front page of the equipment item should list the appendix where the design specification and manufacturers data are contained.  Each equipment item should include the process and manufacturers data sheets and reference the relevant section in the appendix for the design specification and manufacturers data.

  • Equipment item
    • FEED process data sheets and manufacturer’s data sheets.

Instrumentation

PROVIDE technical information on the design of the control system

 

  • Description of control system
  • Distributed Control System (DCS) components and software
  • Field control instruments
  • Control communication and control power
  • Backup power supply
  • Sample conditioning, analyzers and custody transfer
  • Drawings
    • Control system block diagram

Safety instrumentation

PROVIDE information relevant to the safety instrumented system (SIS), which should include:

  • Description of the SIS
  • SIS components
  • Communication and control power
  • Backup power supply
  • ESD system
  • Drawings and tables
    • SIS block diagram
    • Cause and effect diagrams for alarm, shutdown and hazard control activation, with set points.

Electrical

PROVIDE engineering information on the plant's electrical power generation system, distribution system, emergency power system, uninterruptible power system, and battery backup system.

 

PROVIDE technical descriptions and information on the electricity supply, power requirements, electrical distribution system, backup and standby power supply, emergency power supply, control power and other electrical systems. Provide tables listing connected power, anticipated power requirements and primary transformers. Provide drawings of area classification, oneline diagrams, lighting and pass through seal arrangements.

  • Description of electrical system
    • Electrical system
      • Electrical supply, distribution and voltage levels, back-up supply, uninterruptible power supply systems, cathodic protection
    • Hazardous area classification basis
  • Electrical tables and lists
    • Anticipated power requirements for operating modes
    • Transformer list, with tag number, size and location
  • Electrical drawings
    • Hazardous area classification, overall plans and area plans
    • Single line drawings power distribution
    • Single line drawings of emergency load supply and distribution
    • Emergency lighting plan
    • Electrical pass through seals for services such as LNG pumps and instrumentation.

Fuel gas

PROVIDE a detailed layout of the fuel gas system showing all taps with process components.

PROVIDE a technical description of the fuel gas system which should include sources, pressure levels, heating requirements, odorant system, overpressure protection and low temperature protection considerations. Reference the specific P&IDs depicting the fuel gas system.

  • Description of fuel gas system
    • Drawings
      • Plans showing piping and equipment layout

Spill containment systems

PROVIDE a detailed layout of the spill containment system showing the location of impoundments, sumps, sub-dikes, channels, and water removal systems.

PROVIDE a description of each containment component which should contain the location, design configuration, dimensions, capacity and materials of construction. The description should also include details of the water removal system, basis of design and flow rate required to be removed. Each spill containment system, trough, trench, sump and impoundment should be clearly referenced to the drawings. See appendix Q for vapor dispersion and thermal radiation exclusion zone references.

  • Description of spill containment systems
    • LNG storage  (main area and sub impoundments0
    • Fractionation product storage
    • Refrigerant storage
    • LNG unloading
    • LNG trucking facilities
    • Process areas
    • Storm water drainage
    • Storm water removal
    • LNG transfer lines

Drawings

PROVIDE plot plans for each process area or system showing the location of all equipment served by each containment system. Troughs, dikes and sumps should be clearly shown.  For clarity, it may be necessary to provide separate drawings for each process area. Details should include dimensions and cross-sections of each system and arrows showing direction of spill flow into sumps or impoundments.

  • Plot plans showing spill containment systems, and the equipment served by each system, including drainage
  • Spill containment sections and details.
  • Vapor dispersion limits.
  • Plot plans showing the limits of vapor dispersion at 5% and 2.5% LFL and the property line. See appendix Q for vapor dispersion calculations.
  • Thermal radiation isopleths.
  • Plot plans showing radiation isopleths for 1600, 3000, and 10,000 Btu/(ft2hr), and the property line. See appendix Q for thermal radiation calculations.

Hazard detection systems

PROVIDE a layout of the hazard detection system showing the location of combustible-gas detectors, fire detectors, heat detectors, smoke or combustion product detectors, and low temperature detectors.  Show all combustion/ventilation air intake equipment, the detectors covering the air intake and the distances to any possible hydrocarbon release (LNG, flammable refrigerants, flammable liquids and flammable gases).

Identify those detectors that activate automatic shutdowns and the equipment that would shut down.  Include all safety provisions incorporated in the plant design, including automatic and manually activated emergency shutdown systems.

  • Description of hazard detection systems
  • Description of hazard warning systems including offsite, plant wide and local area
  • List with tag number, location, type/model of detection equipment.
  • Matrix of all detection equipment with area location, number and detector type
  • Flammable gas, including set points
  • Low temperature, including set points
  • Heat
  • Smoke
  • Products of combustion
  • Fire
  • Hazard detector layout plans
  • Combustion/ventilation air intake locations

Drawings

PROVIDE drawings clearly showing the location of each detector and coverage areas of all hazard detection equipment. Drawings should also be provided showing all combustion/ventilation air intake equipment and the distances to any possible hydrocarbon release. Separate plot plans should be created where necessary to provide clarity. 

 

Fire suppression and response plan

PROVIDE a description of the utilization and responsibilities of onsite personnel and offsite personnel and equipment in response to fires.

  • Description of  response to fire and deployment of resources
  • Organizational chart for emergency response and fire fighting

Hazard control systems

PROVIDE a description explaining the function of the various types of fire suppressant, the location, capacity and discharge rate required. The basis of design should include criteria for sizing the flow and capacity of the suppressant.

  • Hazard control systems include dry chemicals, carbon dioxide, nitrogen snuffing and other fire extinguishing systems.

PROVIDE a list or matrix of the hazard control equipment and detailed layout, of each system

  • Description of hazard control equipment and systems
  • Dry chemical basis of design
  • List or matrix of hazard control equipment

PROVIDE tag number, location and area covered, type, size, discharge conditions, activation, or remote control capabilities and manufacturer/model for all dry chemical equipment, and provide similar information for other types of hazard control systems used at the site.

Dry chemical system drawings

PROVIDE a detailed layout of the hazard control system showing the type of unit and the area of coverage. The legend should indicate the type of each unit and the quantity of suppressant.

  • Dry chemical equipment and other systems location plans 
  • Dry chemical and other systems coverage plans

Fire water

PROVIDE a detailed layout of the fire water system showing the location of fire water pumps, piping, hydrants, hose reels, and auxiliary or appurtenant service facilities.

PROVIDE the source (firewater tank, pond, ocean, wells, city, etc.) and the estimated maximum flows for all water supplies, the required pressure and the maximum total water flow for the design fire scenario.

PROVIDE specifications and operating conditions for the pumps, or fire water supply system, secondary pumps, backup pumps and jockey pumps.

The drawings should clearly show the location of all fire water equipment on separate fire water coverage plans.

  • Description of fire water system
    • Fire water system design
    • Fire water system demands and basis of sizing
    • Fire water supply and back up supply
    • Fire water system components
    • Fire water piping
    • Fire water hydrants
    • Fire water monitors
    • Hose reels
    • Water screens and deluge systems
    • Water supply for high expansion foam

List or matrix of all fire water delivery equipment

PROVIDE tag number, location and area covered, type, size, discharge conditions, activation, or remote control capabilities and manufacturer/model for all fire water equipment including deluge systems, sprinklers, monitors, hydrants and hose stations.

  • Fire water delivery matrix
  • Fire water drawings

PROVIDE drawings of the fire water system which should include P&IDs, system and equipment layouts and fire water coverage plans.

    • Fire water P&IDs
    • Fire water piping plans
      • The plan drawings should show the fire water supply, the sizing of the firewater mains, and how they are arranged in either a loop or grid system throughout the site.  Isolation valves to allow water flow in case a portion of the system is damaged should be shown.  They should also show monitors, hydrants, hose stations and post indicator valves.
  • Fire water coverage plans
    • Coverage areas for each system should be clearly depicted showing the coverage circle. Where buildings, or equipment block the line of sight of the monitor the non-covered area should be indicated.

High expansion foam system

PROVIDE a detailed layout of the high expansion foam systems, water supply and auxiliary or appurtenant service facilities.

PROVIDE a description of the foam system coverage and basis of design for sizing the systems, including capacity and discharge rates. Provide an assessment of the impact of adverse weather conditions on the effectiveness of the systems.

  • Description of foam system and equipment
  • Foam system basis of design
  • List or matrix with tag number, location, type/model of foam equipment.
  • Drawings
    • Foam system component location plans
    • Foam system coverage plans

Security

PROVIDE a general description of the proposed security that addresses the principal concerns for facility security, plans of the security fencing and CCTV locations. Identify the third parties who would be instrumental in the development of the security plan during the design phase of the project. Sufficient information should be provided to demonstrate that the facility would be designed, installed and operated to provide the level of security and safety, consistent with the requirements of the design and location of the facility.

  • Security description
  • Security plan development
  • Site access control
  • Onsite access control
  • Cameras
  • Intrusion detection
  • Drawings
    • Security fencing and access control plan
    • Camera layout plan

Piping

PROVIDE a description of the piping system, which should include the type and design of the piping systems, method of expansion and contraction control, and insulation systems.

  • Piping systems
  • Piping insulation
  • Pipe racks
  • Piping specification tabular summary
    • Service, class, design pressure, design temperatures and insulation system

Piping drawings

PROVIDE layouts and elevations of major process equipment, pipe rack layouts and typical piping support systems.

  • Layout and sections of major pipe racks
  • Layout and elevations of major equipment
  • Layout and elevations of typical piping support system

Foundations and supports

PROVIDE a description of equipment and piping foundations and supports, which should include a brief description of the type of foundations required for different areas, the design of the support systems and any passive protection that will be applied to the structures to protect against fire or cryogenic temperatures.

  • Description of foundations and supports
  • Drawings
    • Foundations, typical
    • Equipment supports

Buildings and structures

PROVIDE brief descriptions and preliminary plans for the proposed buildings and structures, which should include the type of structure size and any special features, such as pressurization or fireproofing.

  • Description of buildings
  • List of buildings with dimensions
  • Drawings
    • Preliminary building plan and elevation

Process drawings

PROVIDE process flow diagrams showing the process systems and include simulations of the process conditions used as the basis for equipment design.

The process flow diagrams should be provided in 11”x17” format and should be clearly legible at that scale.  The diagrams should include stream designations keyed to the material and energy balance.  All process drawings and flow diagrams should be printed in black and white.

 

Process flow diagrams and material and energy balances

Piping and instrument diagrams

PROVIDE up-to-date piping and instrumentation diagrams (P&ID’s). Include a description of the instrumentation and control philosophy, type of instrumentation (pneumatic, electronic), use of computer technology, and control room display and operation.

PROVIDE P&IDs, symbols and legend drawings.

Drawings and all information should be clearly legible on 11” x 17” paper and the piping legend and symbology should be in accordance with accepted practice. All drawings should be filed in black and white. Copies of color drawings are not acceptable. Drawings should include all process and utility systems.

  • Drawing list with revision number and issue date
  • Piping and instrumentation legend and symbols
  • Piping and instrumentation details
  • P&IDs

PROVIDE the following information on the P&IDs:

  • Equipment tag number, name, size, duty, capacity and design conditions
  • Piping with line number, piping class spec, size and        insulation
  • LNG tank pipe penetration size or nozzle schedule
  • Piping spec breaks and insulation limits
  • Vent, drain, cooldown and recycle piping
  • Isolation flanges, blinds and insulating flanges
  • Valve type, in accordance with the piping legend symbol
  • All control valves numbered
  • All valve operator types and valve fail position 
  • Instrumentation numbered
  • Control loops including software connections
  • Alarm and shutdown set points
  • Shutdown interlocks
  • Relief valves numbered, with set point
  • Relief valve inlet and outlet piping size
  • Car sealed valves and blinds
  • Equipment insulation
  • Drawing revision number and date

ADDITIONAL information to be included on the P&IDs issued for construction should include:

  • All manual valves numbered including check, vent, drain and car sealed valves
  • Alarm and shutdown set points

Note: It is preferable, but not essential that manual valves are numbered on the P&IDs submitted with the application.

 

 

ACRONYMS AND ABBREVIATIONS

 

bbl                                            barrels

 

bbl/h                                         barrels per hour

 

Btu                                           British thermal unit

 

Btu/(ft2hr)                                British thermal unit per feet squared per hour

 

C5 plus                                    pentane plus

 

CCTV                                      closed circuit television

 

CFR                                         Code of Federal Regulations

 

CO                                           carbon monoxide

 

DCS                                         Distributed Control System

 

ESD                                         emergency shutdown

 

F                                              Fahrenheit

 

FEED                                      front end engineering design

 

FERC                                      Federal Energy Regulatory Commission

 

ft                                              feet

 

gpm                                        gallons per minute

 

h                                              hour(s)

 

HAZID                                    Hazard Identification

 

HAZOP                                   Hazard and Operability

 

HHV                                        higher heating value

 

hp                                            horsepower

 

inches H2O                           inches of water

 

inches Hg                              inches of mercury

 

inches Hg/h                          inches of mercury per hour

 

Kts                                          knots

 

kV                                            kilovolt

 

kVA                                         kilovolt ampere (one thousand Volt Amperes)

 

LFL                                         lower flammability limit

 

LHV                                        lower heating value

 

LNG                                        liquefied natural gas

 

 

m3                                          cubic meters

 

m3/h                                       cubic meters per hour

 

mbar                                      millibar

 

mbar/h                                   millibar per hour

 

MMbtu/h                                 million British thermal units per hour

 

MMscfd                                   million standard cubic feet per day

 

mph                                        miles per hour

 

MWt                                        megawatt thermal

 

NAVD                                     North American Vertical Datum

 

NFPA                                      National Fire Protection Association

 

NOx                                         nitrogen oxides

 

No. ins                                   Number of inches

 

OBE                                        Operating Basis Earthquake

 

P&IDs                                     Piping and Instrumentation Diagrams

 

PERC                                      powered emergency release coupling

 

PM                                           particulate matter

 

ppm                                        parts per million

 

psig                                        pounds per square inch gauge

 

scfm                                       standard cubic foot (feet) per minute

 

SIS                                          safety instrumented system

 

SSE                                        Safe Shutdown Earthquake

 

UPS                                        uninterruptible power supply

 

usg                                          United States gallons

 

usgpm                                    United States gallons per minute

 

V                                              voltage

 

VOC                                        volatile organic compound

 

%                                             percent

 

“                                               inches

 
 

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What They Are Saying About Us...

“I have utilized Bryans capabilities at many operating facilities, including chemical plans, textile mills, refineries, etc....I can say with confidence that Bryan has always made us a better company in terms of managing the H&S risk inherent to our operations. Bryan is a consummate professiona...

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Date: Apr 01, 2010