piping design instruction

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  • COVERCONTENTS1 GENERAL1.1 Internet and scope1.2 Outline of porject1.3 Outline of plant1.4 Climatic conditions1.5 Topography condition1.6 Applicable regulations,codes and standards1.7 Battery limit conditions1.8 Utility conditions1.9 Customer's requirements

    2. PLANNING1. Plant layout1.1 Plant area1.2 Safe distance1.3 Distance1.4 Overhead clearance1.5 Design of tank yard1.6 Height of foundation top and floor1.7 Road

    2. Installation of platform,stairs and ladder2.1 Installation of Structure2.3 Installation of plantform and ladder2.4 Stairs,ladder and handrall2.5 Live load for platform

    3. Nozzle Orientation3.1 Type and size of platform3.2 Limitation on platform installation3.3 Consideraton on nozzle orientation3.3.1 Nomenclature3.3.2 Considerations required for tower nozzle orientation3.3.3 Considerations for orientation in other vessels and heat exchangers

    3. PIPING1. Manuals related to piping design1.1 Realation between tis design instruction and other manuals1.2 Related manuals

    2. Drafting rule2.1 Unit and scale2.2 Lines to be used2.3 Indication of pipes(Double line)

    3. Piping materials3.1 Pipe3.1.1 Equation to determine the thickness of steel pipe(KHK.S0302)3.1.2 Pipes requiring postweld heat treatment(PWHT)3.1.3 Pipe selection criteria

    3.2 Valve3.2.1 Gear operated valve3.2.2 Special valve3.2.3 Valve material

    3.3 Fitting3.3.1 Bend3.3.2 Mitre bend3.3.3 Reducer3.3.4 Tee3.3.5 Standard application of fitting3.3.6 Comparison of material between JIS and ASTM

    3.4 Flange

    4. Scope of work for piping materials4.1 Scope of work at equipment nozzle4.2 Matching with instrucment4.3 Matching with vender's piping4.4 Matchting with customer's equipment and piping

    5. Insulation5.1 General5.2 Hot insulation5.2.1 Scope of application5.2.2 Design

    5.3 Cold insulation5.3.1 Scope of application

    5.4 Personnel Protection5.4.1 Scope of application

    5.5 Fire proofing5.5.1 Scope of application5.5.2 Design

    5.6 Noise protection5.6.1 Scope of application5.6.2 Design

    6. Noise and vibration6.1 Noise6.1.1 General6.1.2 Noise level limitation6.1.3 Sources of noise

    6.2 Vibration6.2.1 General6.2.2 Vibration of piping

    7. Cathodic protection and grounding for static elictricity protection7.1 Cathodic protection7.1.1 Object of its application and related laws and regulations7.1.2 Considerations required in design7.1.3 comparison between impressed current system and galvanic anode system

    7.2 Grounding for static electricity protection

    8. Piping design details8.1 Piping around tower and vertical type tank8.1.1 Layout8.1.2 Nozzle orientation8.1.3 Piping around tower

    8.2 Piping around heat exchanger8.2.1 Type of heat exchanger8.2.2 Considerations required for arrangement and piping8.2.3 Example of piping around horizontal type heat exchanger8.2.4 Piping around reboiler8.2.5 Piping around Al-heat exchanger8.2.6 Piping around air cooler

    8.3 Piping around rotating machine8.3.1 Piping around pump8.3.2 Piping around turbine8.3.3 Piping around compressor

    8.4 Piping around furnace8.4.1 Considerations required in general8.4.2 Transfer line8.4.3 Fule piping8.4.4 Snuffing steam piping

    8.5 Rack piping8.5.1 General8.5.2 Height of pipe rack8.5.3 Location of pipe8.5.4 Elevation of pipes

    8.6 Critical lines8.6.1 Critical lines in veiw of pipe strength8.6.2 Critical lines in view of process8.6.3 Critical lines in view of cost

    8.7 Piping around safety valve8.7.1 General8.7.2 Inlet piping of safety Valve8.7.3 Discharge line of safety valve8.7.4 Examples of piping around safety valve

    8.8 Piping around instrument8.8.1 General8.8.2 Pressure instrument8.8.3 Temperature instrument8.8.4 Flow instrument8.8.5 Restriction orifice (OR)8.8.6 Liquid level instrument(Including L/A)8.8.7 Control valve(C.V)

    8.9 Steam piping 8.10 Drain and vent8.11 Utility piping 8.11.1 Hose station8.11.2 Eye washer and shower8.11.3 Ejector piping8.11.4 Cooling water piping for pump,turbine etc.

    8.12 Sample connection and analyzer8.13 Tank yard piping8.13.1 Regulations and safe distance8.13.2 Tank yard piping8.13.3 Drainage system8.13.4 Fire extinguishing system

    8.14 Underground piping8.14.1 Lines to be installed underground8.14.2 Design8.14.3 Cooling water piping8.14.4 Sewer piping8.14.5 Trench piping

    8.15 Firefighting piping (When regulations in Japan are applied.)8.15.1 type of systems8.15.2 Water Extingushing system8.15.3 Air-foam system8.15.4 CO2 extinguishing system8.15.5 Cases where NFPA CODE is applied

    4. PIPE SUPPORT1. General1.1 Purpose1.2 Scope of application1.3 Related manuals and manuals for reference

    2. Support design2.1 Procedure of support design2.2 Standard of support design2.3 Allowable stress and safety factor

    3. Supports for rack piping3.1 Support span3.2 Pipe spacing3.3 Supports for bare pipe3.4 Supports for hot-insulated pipe3.5 Supports for cold-insulated pipe3.6 Supports for large-diameter pipe3.7 Other considerations required in design of supports3.8 Use of anti-friction agent3.9 Supporting to cope with vibration3.10 Absorption of thermal expansion3.10.1 Model plan3.10.2 when U-loops are used3.10.3 When bellows-type expansion joints are used3.10.4 when Yarway's gun-packed expansion joint is used3.10.5 Dissipation of heat3.10.6 Pressure loss

    4. supports for piping around vessels4.1 Limitation of load4.2 Supports for discharge pipe of safety valve4.3 Vessel clips4.3.1 Supporting of tank piping4.3.2 Supporting of tower piping

    5. Supports for piping around compressor and turbine5.1 General5.2 Manuals for reference5.3 Piping provided with expansion joint5.4 Piping supports to be used in general5.4.1 Sliding supports5.4.2 Spring support5.4.3 Thermal-expansion-direction restraining device(Directional, stopper)5.4.4 Directionial stopper of free-in-one-direction type5.4.5 Pipe hanger5.4.6 Vibration stopper for piping

    6. Supports for piping around pump6.1 Manuals for reference6.2 Pipng around pump and location of supports

    7. Spring hanger7.1 Vriable hanger7.2 Design of variable hanger7.3 Construction and material of variable hangers7.4 Specification for placing order of variable hangers7.5 Selection of variable hanger's type No.7.6 Supporting load of spring hanger

    Appendix: Standard for layout of out door storage tank yard