Piping Code Comparison.xls

PIPING CODE COMPARISON (PLANT PIPING & ONSHORE PIPING) ASME B31.1

ASME B31.3

ASME B31.4

ASME B31.8

" POWER PIPING "

" PROCESS PIPING "

" LIQUID TRANSPORTATION SYSTEM FOR

" GAS TRANSMISSION AND DISTRIBUTION

HYDROCARBONS, LIQUID PETROLEUM GAS

PIPING SYSTEM"

ANHYDROUS AMMONIA AND ALCOHOLS " TABLE OF CONTENT

TABLE OF CONTENT

TABLE OF CONTENT

TABLE OF CONTENT

1. Scope and Definisions 2. Design 3. Materials 4. Dimensional Requirements 5. Fabrication, Assembly and Erection 6. Examination, Inspection and Testing

1. Scope and Definisions 2. Design 3. Materials 4. Dimensional Requirements 5. Fabrication, Assembly and Erection 6. Inspection and Testing 7. Non Metallic Piping and Piping Lined with Non Metal 8. Piping for Category M-Fluid Sevice 9. High Pressure Piping

1. Scope and Definisions 2. Design 3. Materials 4. Dimensional Requirements 5. Construction, Welding and Assembly 6. Inspection and Testing 7. Operation and Maintenance Procedure 8. Corrosion Control

1. Materials and Equipment 2. Welding 3. Piping System Component and Fabrication Details 4. Design, Installation and Testing 5. Operation and Maintenance Procedure 6. Corrosion Control 7. Miscellaneous 8. Offshore Gas Transmission

SCOPE

SCOPE

SCOPE

All Fluid piping : - Chemicals - Petroleum product - Gas, Steam, Air and Water - Fluidized solid - Refrigerant

Piping Transporting Liquid : - Oil, condensate, natural gasoline, NGL, Liquid anhydrous ammonia & Liquid Petroleum product between Tank farms, Natural Gas Processing plant, Refinery, Station, Ammonia Plants, Terminals.

Gas Transmission & Distribution System : - Gas pipeline - Gas compressor station - Gas metering and regulation station - Gas main and service line

WALL THICKNESS CALCULATION

WALL THICKNESS CALCULATION

WALL THICKNESS CALCULATION

-Central and district heating plants

SCOPE Power & auxiliary service piping system : - Electric generation system - Industrial and Institutional plants

WALL THICKNESS CALCULATION

tm = t

=

t+A

tm =

P D 2( SE + Py )

SE = Stress Value (Appendix - A) y = Temperature derating factor A = Allowance for threading & grooving and corrosion Notes : Under thickness tolerance to be included

t

=

t+c P D 2( SE + PY )

S E Y c

= Stress Value (Table - A1) = Joint efficiency = Temperature derating factor = Allowance for threading & grooving and corrosion Notes : Under thickness tolerance to be included

tm = t

=

t+A Pi D 2S

tm =

t + Ca

t

P D 2SFET

=

S = 0.72 x E x SMYS A = Allowance for threading & grooving and corrosion

S F E T

Notes : Under thickness tolerance to be included

Notes : Under thickness tolerance to be included Allowance for threading & groving and corrosion has to be included F = 0.80 (Class 1 Div. 1) F = 0.72 (Class 1 Div. 2) F = 0.60 (Class 2) F = 0.50 (Class 3) F = 0.40 (Class 4)

Common materials wt tolerance A 53 wt tolerance (-)12.5 % A 106 wt tolerance (-)12.5 % A 671 wt tolerance (-)0.01 inch API 5L wt tolerance (-)12.5 % (Table - 9 ) A 312 wt tolerance (-) %

= SMYS = Design factor = Joint efficiency = Temperature derating factor

HYDROTEST REQUIREMENTS

HYDROTEST REQUIREMENTS

HYDROTEST REQUIREMENTS

HYDROTEST REQUIREMENTS

Not less than 1.50 times Design Pressure, minimum of 10 minutes

Not less than 1.50 times Design Pressure, at least 10 minutes

Not less than 1.25 times Design Pressure, at least 4 hours

Min. 1.25 x MOP (Class 1 Div. 1), 2 hrs min Min. 1.10 x MOP (Class 1 Div. 2), 2 hrs min Min. 1.5 x MOP (Class 2), 2 hrs min Min. 1.5 x MOP (Class 3 & 4), 2 hrs min

PWHT REQUIREMENTS

PWHT REQUIREMENTS

PWHT REQUIREMENTS

PWHT REQUIREMENTS

For CS, nominal thickness larger than 3/4"

For CS, nominal thickness larger than 3/4" (for branch connection thickness through the weld @ any plane is more than 1 1/2") (Table 331.1.1 and Para 331.1.3)

For CS, nominal thickness larger than 1 1/4" (for branch connection use Header to determine thickness) (for thickness less than 1 1/2" may be accepted if min.preheat 93o C is used)

For CS, nominal thickness larger than 1 1/4" (for branch connection use Header to determine thickness) (no waiver close for onshore para 825.2)

RADIOGRAPHIC REQUIREMENTS

RADIOGRAPHIC REQUIREMENTS

RADIOGRAPHIC REQUIREMENTS

RADIOGRAPHIC REQUIREMENTS

Less than 400o C, Visual 400o C and over, RT for larger NPS 2"

Minimum 5% Circum butt weld examined fully by random radiography

Minimum 10% of weld to be radiograph Min. 90% radiograph for weld at populated area, heavy traffic and offshore.

Acceptance criteria & procedure API 1104

Minimum 10% of weld @ Class 1 Minimum 15% of weld @ Class 2 Minimum 40% of weld @ Class 3 Minimum 75% of weld @ Class 4 100% of weld @ compression, crossing and offshore. Acceptance criteria & procedure API 1104

WELDING PROCEDURE & QUALIFICATION

WELDING PROCEDURE & QUALIFICATION

WELDING PROCEDURE & QUALIFICATION

WELDING PROCEDURE & QUALIFICATION

To follow ASME Section IX

To follow ASME Section IX

To follow API 1104 & ASME Section IX

To follow API 1104 & ASME Section IX

TEMPERATURE RANGE For CS (-)20o F -- 800o F

TEMPERATURE RANGE For CS (-)20o F -- 800o F

TEMPERATURE RANGE For CS (-)20o F -- 250o F

TEMPERATURE RANGE For CS (-)20o F -- 400o F

MATERIAL COMPARISON A179 (Hex & Condenser Tube) - Listed A312 (Austenitic Stainless) - Not Listed A333 (Low Temperature Steel) - Listed

MATERIAL COMPARISON A179 - Listed A312 - Listed A333 - Listed

MATERIAL COMPARISON A179 - Not Listed A312 - Not Listed A333 - Not Listed

MATERIAL COMPARISON A179 - Not Listed A312 - Not Listed A333 - Listed

PIPING CODE COMPARISON (PLANT PIPING & ONSHORE PIPING) ASME B31.1

ASME B31.3

ASME B31.4

ASME B31.8

" POWER PIPING "

" PROCESS PIPING "

" LIQUID TRANSPORTATION SYSTEM FOR

" GAS TRANSMISSION AND DISTRIBUTION

HYDROCARBONS, LIQUID PETROLEUM GAS

PIPING SYSTEM"

ANHYDROUS AMMONIA AND ALCOHOLS "

SPECIFIC REQUIREMENT

SPECIFIC REQUIREMENT Fluid service : - Normal Fluid Base using Chapter I to VII - Category D Non flameable & non toxic Design pressure max. 150 psig Design temp. (-) 20o F - 366o F - Category M Dangerous fluid wich base Code not enough. - HP fluid service Owner choice to use Chapter IX

SPECIFIC REQUIREMENT Block & Isolating Valves : Main Line block valves shall be installed upsteram side of major river crossing and public water supply reservoirs. For down stream install block valve or check valve. Block valves shall be installed 12 km spacing for LPG in industrial, commercial and industrial area.

SPECIFIC REQUIREMENT Block & Isolating Valves : Sectionalizing valve are required : Spacing 32 km @ Class 1 Spacing 24 km @ Class 2 Spacing 16 km @ Class 3 Spacing 8 km @ Class 4 (May be adjusted slighly to permits more accesable location) Blowdown valves for depressurizing Pipeline section should be installed on each side of the sectionalizing valves) Area classification : Class 1 div. 1 : Mountain, farmland (0 - 10 bldgs), Ht = 1.25 MOP Class 1 div. 2 : Mountain, farmland (0 - 10 bldgs), Ht = 1.10 MOP Class 2 : Industrial & country area. (11 - 15 bldgs) Class 3 : Shopping Centre & Recidential (more than 45 bldgs) Class 4 : Multistory & Heavy traffic

PIPING CODE COMPARISON (OFFSHORE PIPELINE) ASME B31.4

ASME B31.8

DNV 2000

" LIQUID TRANSPORTATION SYSTEM FOR

" GAS TRANSMISSION AND DISTRIBUTION

" OFFSHORE STANDARD OS - F101

HYDROCARBONS, LIQUID PETROLEUM GAS

PIPING SYSTEM "

SUBMARINE PIPELINE "

ANHYDROUS AMMONIA AND ALCOHOLS " TABLE OF CONTENT

TABLE OF CONTENT

TABLE OF CONTENT

1. Scope and Definisions 2. Design 3. Materials 4. Dimensional Requirements 5. Construction, Welding and Assembly 6. Inspection and Testing 7. Operation and Maintenance Procedure 8. Corrosion Control

1. Materials and Equipment 2. Welding 3. Piping System Component and Fab. details 4. Design, Installation and Testing 5. Operation and Maintenance Procedure 6. Corrosion Control 7. Miscellaneous 8. Offshore Gas Transmission A800 Offshore Gas Transmission A810 Materials and Equipment A820 Welding Offshore Pipeline A830 System Component & Fab. details A840 Design, Installation and Testing A850 Operation and Maintenance A860 Corrosion control of Offshore Pipelines A800 Offshore Gas Transmission

1. General 2. Design Philosophy 3. Design Premise and Documentation 4. Loads 5. Design Criteria 6. Line Pipe 7. Components and Assembly 8. Corrosion Protection and Weigh Coating 9. Installation 10. Operation, Inspection and Repair 11. Requalification 10. Comentary (Informative)

SCOPE Piping Transporting Liquid : - Oil, condensate, natural gasoline, NGL, Liquid anhydrous ammonia & Liquid Petroleum product between Tank farms, Natural Gas Processing plant, Refinery, Station, Ammonia Plants, Terminals.

SCOPE

SCOPE

Gas Transmission & Distribution System : - Gas pipeline - Gas compressor station - Gas metering and regulation station - Gas main and service line

Submarine pipeline system for the transportation of fluids.

WALL THICKNESS CALCULATION

WALL THICKNESS CALCULATION

WALL THICKNESS CALCULATION

tm = t

t+A

=

P D 2( SE + Py )

S = 0.72 x E x SMYS A = Allowance for threading & grooving and corrosion

Sh t =

< F1 S T P D

t1 =

t - tfab - tcor

Pli - Pe

< Pb ( t1 ) gSc x gm

2( SE + PY ) S = SMYS F1 = Design factor

2 t1

Pb,s ( t1 ) =

x fy x

D - t1

T = Temperature derating factor

2 t1

Pb,u ( t1 ) =

2 V3

Yielding x fu x

2

D - t1

1.15 V3 Bursting = Pd x ginc + rcont x g x h

Pli Notes : Under thickness tolerance already included

Notes : Under thickness tolerance already included Allowance for threading & grooving and corrosion has to be included F = 0.72 (Pipeline) F = 0.50 (Platform piping & riser)

t 1 = wall thickness t = nominal wall thickness t fab = fabrication thickness tolerance t cor = corrosion allowance Pli = local incidental pressure Pe = external pressure

fy fu

= SMYS

= SMTS ginc = 1.05 ……1.10 gSC = 1.046 …..1.138 gm = 1.15 ….…1.00 HYDROTEST REQUIREMENTS

HYDROTEST REQUIREMENTS

HYDROTEST REQUIREMENTS

Not less than 1.25 times Design Pressure, at least 4 hours

Min. 1.25 x MOP (Pipeline), 2 hrs min Min. 1.40 x MOP (Platform Piping & Riser),2 hrs

Normal Low

1.1 1.138 1

Plt > = 1.05 x Pli , 24 hrs Plt > = 1.03 x Pli , 24 hrs

PIPING CODE COMPARISON (OFFSHORE PIPELINE) ASME B31.4

ASME B31.8

DNV 2000

" LIQUID TRANSPORTATION SYSTEM FOR

" GAS TRANSMISSION AND DISTRIBUTION

" OFFSHORE STANDARD OS - F101

HYDROCARBONS, LIQUID PETROLEUM GAS

PIPING SYSTEM "

SUBMARINE PIPELINE "

ANHYDROUS AMMONIA AND ALCOHOLS " PWHT REQUIREMENTS

PWHT REQUIREMENTS

PWHT REQUIREMENTS

For CS, nominal thickness larger than 1 1/4" (for branch connection use Header to determine thickness) (for thickness less than 1 1/2" may be o accepted if min.preheat 93 C is used)

For CS, nominal thickness larger than 1 1/4" (for branch connection use Header to determine thickness) (may be waive with demonstration of WPS)

For CS, nominal thickness larger than 50 mm unless CTOD testing shows acceptable values in the as weld condition

RADIOGRAPHIC REQUIREMENTS

RADIOGRAPHIC REQUIREMENTS

RADIOGRAPHIC REQUIREMENTS

Minimum 10% of weld to be radiograph Min. 90% radiograph for weld at populated area, heavy traffic and offshore. Acceptance criteria and Procedure API 1104

100% of weld

100% of weld

Acceptance criteria and Procedure API 1104

Acceptance criteria and Procedure to follow this Code

WELDING PROCEDURE & QUALIFICATION

WELDING PROCEDURE & QUALIFICATION

WELDING PROCEDURE & QUALIFICATION

To follow API 1104 and ASME Section IX

To follow API 1104 and ASME Section IX

To follow this Code

TEMPERATURE RANGE For CS (-)20o F - 800o F

TEMPERATURE RANGE For CS (-)20o F - 800o F

TEMPERATURE RANGE For CS (-)20o F - 250o F

SPECIFIC REQUIREMENT

SPECIFIC REQUIREMENT API Recommended Practice - 1111 Design, Construction, Operation and Mainte nance of Offshore Hydrocarbon Pipeline

SPECIFIC REQUIREMENT Wall thickness calculation sequence - Pressure containment (Equation 5.14) - System collaps (Equation 5.22) - Local buckling - combine loading ( Equation 5.23 / 24 / 25 / 26) - Propagating buckle (Equation 5.14)

System collaps

System collaps

Pe =

Pc 1.5

Pc =

Pe <

Pp x Pe1

Pc 1.1 x gm x gSC

(Pc - Pe) x ( Pc2 - Pp2 ) = Pc x Pe1 x Pp x f a x D/t2

( Pp2 + Pe12 )0.5 Pe1 =

2 E ( t / D )3 2

1-D Pp =

2 x SMYS x ( t/D )

Pe1 = 2 E ( t2 / D )3 1 - D2 Pp = 2 x f y x afab x t2 / D f a = Dmax - Dmin D

Propagating buckle Pe <

Ppr 1.4

2.4 Ppr = 24 x SMYS x ( t / D )

Propagating buckle Pe <

Ppr

Ppr = 35 x fy x afab x ( t2 / D )2.5 gm x gSC