Pipe Steam Tracing

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-1

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Project Specification – Piping Tracing



PROJECT SPECIFICATION

PIPING STEAM TRACING



OWNER Approval:

PETRONAS

Name:



Date



(DD-MMM-YY) :

Signature:





Document Class:

Z





Pages modified under this revision:

All







60987R-0001-FOR-0004_E



Adrien Rafin

2013.03.04 17:44:33

+01'00'

Jerome Chanavat

2013.03.04 17:41:36

+01'00'

Jean-Marc Maurice

2013.03.05



11:01:48 +01'00'

1

04-Mar-13

IFD – Issued Approved for Design

J.Chanavat

A.Rafin

J.M. Maurice

0

25-Oct-12

IFD – Issued Approved for Design

J.Chanavat

A.Rafin

J.M. Maurice

A

30-Mar-12

IFA – Issued for Approval

J. Martin

J.M. Maurice

REV.

DATE

DD-MMM-YY

STATUS – REVISION MEMO

A. Rafin WRITTEN BY

(name & visa)

CHECKED BY

(name & visa)

APPROVED BY

(name & visa)

Sections changed in last revision are identified by a vertical line in the margin.

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system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

CONFIDENTIAL – Not to disclose without authorization

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Project Specification – Piping Tracing



CONTENTS



1. PURPOSE ............................................................................................................................................................................ 3

2. REFERENCE DOCUMENTS ........................................................................................................................................... 3

3. ACRONYMS AND DEFINITIONS .................................................................................................................................. 3

4. CODES AND STANDARDS .............................................................................................................................................. 4

4.1

4.2

A PPLICABLE C ODES & S TANDARDS .............................................................................................................................. 4

O RDER OF PRECEDENCE ................................................................................................................................................ 4

5. GENERAL PROCESS AND ENGINEERING REQUIREMENTS .............................................................................. 5

5.1

TYPE OF H EATING ......................................................................................................................................................... 5

5.3

CONDENSATE RETURN .................................................................................................................................................. 5

5.2

5.4

5.5

5.6

STEAM SUPPLY ............................................................................................................................................................. 5

LINES TO BE TRACED ..................................................................................................................................................... 5

TRACER FASTENING SYSTEM ......................................................................................................................................... 5

D ESIGN PRINCIPLE......................................................................................................................................................... 6

6. INSTRUMENTS ............................................................................................................................................................... 10

7. DETAIL ENGINEERING AND DESIGN REQUIREMENTS .................................................................................... 10

7.1

PURPOSE ..................................................................................................................................................................... 10

7.3

STEAM TRACER INSTALLATION ................................................................................................................................... 11

7.2

7.4

7.5

7.6

G ENERAL DESIGN ........................................................................................................................................................ 10

THERMAL EXPANSION ................................................................................................................................................. 11

INSTRUMENTS ............................................................................................................................................................. 11

SUPPORTING ................................................................................................................................................................ 11

8. STEAM TRACING DOSSIERS ...................................................................................................................................... 12

8.1

D RAWING REQUIREMENTS .......................................................................................................................................... 12

9. MATERIALS .................................................................................................................................................................... 13

10.

FABRICATION ............................................................................................................................................................ 13

11.

INSPECTION AND TESTING ................................................................................................................................... 13

11.1 CLEANING ................................................................................................................................................................... 13

11.2 INSPECTION ................................................................................................................................................................. 13

11.3 TESTING ...................................................................................................................................................................... 13

Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

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Project Specification – Piping Tracing



1.

PURPOSE

This Project Specification covers the minimum requirements for Piping Steam Tracing to be used

for the PETRONAS RAPID (Refinery And Petrochemical Integrated Development) Project.

These requirements shall be used throughout all steps of the Project and by all parties:

CONTRACTOR, SUBCONTRACTORS, EPCC CONTRACTORS, Suppliers, etc.

Electrical tracing is managed by RAPID-FE1-TPX-ELE-DES-0001-0022 Electrical Trace Heating.

2.

REFERENCE DOCUMENTS

RAPID-FE1-TPX-PIP-DES-0001-9009

Project Specification – Protective Steam Heating of

Piping System

RAPID-FE1-TPX-PIP-STD-0001-0001

Project Specification – Piping Design Standard

RAPID-FE1-TPX-PIP-STD-0001-0002

Project Specification – Piping Construction Standard

RAPID-FE1-TPX-PIP-DES-0001-0021

Project Specification - Piping class Summary

RAPID-FE1-TPX-MEC-DES-0001-0401

Project Specification - Hot Insulation

RAPID-FE1-TPX-INC-DES-0001-9018

Project

Specification

-

Installation

of

on-line

instruments

3.

ACRONYMS AND DEFINITIONS

The following terms used in this document have the meaning defined below:

The Form Of Agreement together with the documents in order of

CONTRACT

priority,

including

the

exhibits,

drawings,

specifications

and

documents referred to and in the order of precedence listed in the

Form of Agreement.

CONTRACTOR

Company(ies), joint ventures or consortium appointed by OWNER

with specified authority to perform the WORK in accordance with the

CONTRACT, here the Consortium of Technip France and Technip

Geoproduction (M) Sdn Bhd.

Petroliam

OWNER

Nasional

Berhad

(PETRONAS)

which

includes

its

representative, successors, nominees and permitted assigns and shall

where the context so admits and requires, also include its employees,

agents and designated representative.

PROJECT

Refinery

And

Petrochemicals

Integrated

Development

(RAPID)

Project in the State of Johor, Malaysia.

SCOPE OF WORK

The scope of work to be perform ed and services to be rendered by

CONTRACTOR under the CONTRACT in relation to the realization

of the PROJECT.

WORK

Works, tasks and WORK to be performed by CONTRACTOR as

specified in or to be inferred from the CONTRACT, more specially

set out in the SCOPE OF WORK which may be modified by

CHANGE ORDER.

SUBCONTRACTOR

Any third party Subcontractor engaged by CONTRACTOR

in

connection with the WORK.

Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

CONFIDENTIAL – Not to disclose without authorization

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Project Specification – Piping Tracing



LICENSOR

Process Licensors selected by OWNER for the process of LICENSED

EPCC CONTRACTORS

The person or persons, company, join venture or consortium whose

UNITS of the FACILITIES.

proposal

has

been

accepted

by

OWNER

for

Engineering,

Procurement, Construction and Commissioning Contract for the

PROJECT including its personnel, representatives, successors and

permitted assignee.

MAIN STEAM HEADER

A carbon steel header running from the battery limit in the unit.

STEAM SUPPLY LINE

A carbon steel pipe line running from the main steam header in the

unit to a steam distribution manifold.

STEAM DISTRIBUTION MANIFOLD

Carbon steel pipe manifold for the distribution

of steam, via tracer feed lines, to a number of tracers.

TRACER FEED LINE

A carbon steel line running from the steam distribution manifold to

the tracer.

TRACER

A line m ade of stainless steel pipe running from a tracer feed line

along the pipe, instrument, or equipment to be traced, ending at the

tracer return line.

TRACER RETURN LINE

A carbon steel pipe line running from the tracer to the condensate

return manifold.

CONDENSATE RETURN MANIFOLD

Carbon steel pipe manifold to collect condensate, via

tracer return lines, from a number of tracers.

CONDENSATE RETURN LINE A carbon steel pipe line running from the condensate return

manifold to the condensate header.

CONDENSATE HEADER A carbon steel header running in the unit, collecting all condensate to

the battery limit.

The acronyms used in this document have the meaning defined below:

-

FEED

Front-End Engineering Design

-

PTS

PETRONAS Technical Standard

-

RAPID

Refinery And Petrochemicals Integrated Development

-

LP

Low pressure steam

-

MP

Medium Pressure steam

-

P&ID

Process & Instrument Line Diagram

-

DM

Steam Distribution Manifold

-

CM

Condensate Return Manifold

4.

CODES AND STANDARDS

4.1

Applicable Codes & Standards

Unless otherwise specified, the latest applicable revision of codes and standards shall be

considered.

4.2

Order of precedence

In case of conflict between Laws, Project Specifications and Codes & Standards, the following

order of precedence shall be considered:

Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

CONFIDENTIAL – Not to disclose without authorization

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Project Specification – Piping Tracing



- 1.

Malaysian Laws and applicable regulatory requirements,

- 2.

Project Specifications and supplemented PTS,

- 3.

Applicable Malaysian Codes and Standards,

- 4.

Applicable International Codes and Standards.

If a Low er Level requirem ent is m ore stringent than an upper one in the above docum ents, a

request shall be raised to OWNER for written decision before proceeding with the Design,

Manufacture or Construction.

5.

GENERAL PROCESS AND ENGINEERING REQUIREMENTS

5.1

Type of Heating

The following media is used:

Conditions are as per RAPID-FE1-TPX-PRO-DES-0001-0001 Design Basis-Utilities Conditions.

Type

of steam

5.2

Pressure Barg

Temperature º C Design

Operating

Design

Operating

LP

295

185

25.0

22.0

MP

350

290

9.0

7.0

Steam Supply

LP and M P steam supply in Process and Offsite areas will be from the main LP and M P steam

headers.

5.3

Condensate Return

The condensate discharge from condensate return manifolds shall be connected to the main

condensate headers in Process Areas. In Offsite and Interconnecting areas, the condensate

discharge from condensate return manifold will be recovered as per RAPID-FE1-TPP-PRO-DES-

4200-0001 Process Design Basis – Steam Associated Facilities.

5.4

Lines to be traced

Traced lines and instruments are indicated on P&ID’s with proper symbol.

Lines to be traced are defined in Process & Utility Line Lists.

5.5

Tracer fastening system

-

Isolating wedges shall be provided between tracer and pipe if necessary.

-

Tracers shall be fastened to piping with stainless steel fastening bands. Bands shall be

placed every 0.5m maximum.

-

Heat transfer cement

Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

CONFIDENTIAL – Not to disclose without authorization

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Project Specification – Piping Tracing



5.6

Design principle

5.6.1

Steam tracing codes

-

Table 1: Maintenance temperature up to 55°C with LP Steam , tracing code : SL

-

Table 2: Maintenance temperature between 55°C and 130°C with LP Steam , tracing code

: SL

-

5.6.2

Table 3: Maintenance temperature up to 180°C with MP Steam, tracing code : SM

Maximum tracer length

Maximum tracer length shall be confirmed by EPCC CONTRACTORS as describe in RAPID-

FE1-TPX-PIP-DES-0001-9009.

Heat tracers used are steel piping 1/2” (OD = 21.3mm) and 3/4” (OD = 26.7mm)



TRACER

NOMINAL

SIZE



PROCESS UNIT

Efficient

(pipe)

Table 1 :SL

Max

Total Max

Length

Length (m)

(m)

ON RACK AND

INTERCONNECTING

Efficient

Total Max Length

Max Length

(m)

(m)

1/2”

30

+ 2 x 15 = 60

45

+ 2 x 15 = 75

1/2”

35

+ 2 x 15 = 65

50

+ 2 x 15 = 80

3/4”

60

+ 2 x 15 = 90

80

+ 2 x 15 = 110

1/2”

65

+ 2 x 15 = 95

90

+ 2 x 15 = 120

3/4”

95

+ 2 x 15 = 125

130

+ 2 x 15 = 160

Table 2 :SL

Table 3 :ML

5.6.3

Insulation thickness

Insulation thicknesses indicated in the hereafter Tables are in accordance with the Project

Specification –Hot Insulation RAPID-FE1-TPX-MEC-DES-0001-0401.

5.6.4



Tracer fixing lines

Insulating wedges shall be provided between tracer and pipe in accordance with tables from

following paragraph – Numbers of tracers calculation.

5.6.5

Number of tracers calculation

Number of tracer shall be confirmed by EPCC CONTRACTORS as describe in RAPID-FE1-TPX-

PIP-DES-0001-9009, based on following tables:



Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

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Project Specification – Piping Tracing



TABLE - 1



TRACING CODE: SL

PIPE MAINTENANCE TEMPERATURE: T < 55°C

Type of heating medium: Low Pressure STEAM, 5 barg / 165°C

General air Condition - Design Minimum temperature Associated wind velocity

: 20 °C

: 32.5 m/s (from General Design Specification RAPID-FE1-TPX-

ENG-PRC-0001-0202 paragraph 14.3 Design Wind velocities).

Design Maximum temperature

: 36.5 °C

Associated wind velocity

: 1 m/s (Standard value for minimum wind velocity)



MAIN LINE (to be

traced) DIAMETER

Nominal

(inch)

External

(mm)

INSULATION

TRACING

Int.

Nominal External

Thickness

Fixation

Diameter

Diameter Diameter Nbr

(mm)

System

(mm)

(inch)

(mm)

3/4

26.7

1/2

21.30

1

Spacer

48.0

30

Maximum

Real Fluid

Temperature

Inside the

Line (°C)



85.4

Steam

Flowrate

kg/h.100m

5.3

1

33.4

1/2

21.30

1

Spacer

54.7

30

82.9

5.5

3/2

48.3

1/2

21.30

1

Spacer

69.6

30

78.3

5.9

2

60.3

1/2

21.30

1

Spacer

81.6

30

75.3

6.1

3

88.9

1/2

21.30

1

Spacer

110.2

40

74.8

6.1

4

114.3

1/2

21.30

1

Spacer

135.6

40

70.9

6.4

6

168.3

1/2

21.30

2

Spacer

200.3

40

80.7

11.4

8

219.1

1/2

21.30

2

Spacer

251.1

40

75.6

12.2

10

273.1

1/2

21.30

2

Spacer

305.1

40

71.5

12.8

12

323.9

1/2

21.30

2

Spacer

355.9

40

68.3

13.2

14

355.6

1/2

21.30

3

Spacer

398.2

40

75.7

18.3

16

406.4

1/2

21.30

1

Clamp

427.7

40

97.2

31.3

18

457.2

1/2

21.30

1

Clamp

478.5

40

94.2

32.8

20

508.0

1/2

21.30

1

Clamp

529.3

40

91.5

34.2

22

558.2

1/2

21.30

1

Clamp

579.5

40

89.1

35.3

24

609.6

1/2

21.30

1

Clamp

630.9

40

86.9

36.5

26

660.4

1/2

21.30

1

Clamp

681.7

40

84.8

37.5

28

711.2

1/2

21.30

1

Clamp

732.5

40

83.0

38.5

30

762.0

1/2

21.30

1

Clamp

783.3

40

81.2

39.3

32

821.8

1/2

21.30

1

Clamp

843.1

40

79.4

40.3

34

863.6

1/2

21.30

1

Clamp

884.9

40

78.1

40.9

36

914.4

1/2

21.30

1

Clamp

935.7

40

76.8

41.6

42

1066.8

1/2

21.30

1

Clamp

1088.1

40

73.1

43.4

Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

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Project Specification – Piping Tracing



TABLE - 2



TRACING CODE: SL

PIPE MAINTENANCE TEMPERATURE: 55 < T < 130°C

Type of heating medium: Low Pressure STEAM, 5 barg / 165°C

General air Condition - Design Minimum temperature Associated wind velocity

: 20 °C

: 32.5 m/s (from General Design Specification RAPID-FE1-TPX-

ENG-PRC-0001-0202 paragraph 14.3 Design Wind velocities).

Design Maximum temperature

: 36.5 °C

Associated wind velocity

: 1 m/s (Standard value for minimum wind velocity)

MAIN LINE (to

be traced)

DIAMETER

TRACING

Nominal

Nominal External

Diameter

(inch)

(mm)

(inch)

External

Diameter Nbr

(mm)

Maximum Real

Steam

Fluid

Flowrate

Temperature

Inside the Line

Int.

Thickness

Diameter

kg/h.100m

(°C)

(mm)

(mm)

INSULATION

Fixation

System

3/4

26.7

3/4

26.70

1

Clamp

53.4

30

138.5

13.0

1

33.4

3/4

26.70

1

Clamp

60.1

30

137.1

13.9

3/2

48.3

1/2

21.30

2

Clamp

80.3

30

141.3

18.1

2

60.3

1/2

21.30

2

Clamp

92.3

30

139.6

19.7

3

88.9

1/2

21.30

2

Clamp

120.9

40

139.7

19.6

4

114.3

1/2

21.30

2

Clamp

146.3

40

137.2

22.1

6

168.3

1/2

21.30

3

Clamp

210.9

40

139.0

30.6

8

219.1

3/4

26.70

3

Clamp

272.5

40

139.1

38.2

10

273.1

1/2

21.30

4

Clamp

315.7

40

138.0

42.8

12

323.9

3/4

26.70

4

Clamp

377.3

40

139.2

50.9

14

355.6

3/4

26.70

4

Clamp

409.0

40

137.9

54.1

16

406.4

1/2

21.30

2

Cement

438.4

40

139.9

58.9

18

457.2

1/2

21.30

2

Cement

489.2

40

138.2

63.9

20

508.0

3/4

26.70

2

Cement

548.1

40

140.2

72.5

22

558.2

3/4

26.70

2

Cement

598.3

40

138.9

77.7

24

609.6

3/4

26.70

2

Cement

649.7

40

137.6

82.5

26

660.4

1/2

21.30

3

Cement

703.0

40

139.4

90.9

28

711.2

1/2

21.30

3

Cement

753.8

40

138.3

95.9

30

762.0

1/2

21.30

3

Cement

804.6

40

137.3

100.8

32

821.8

3/4

26.70

3

Cement

875.2

40

139.7

112.4

34

863.6

3/4

26.70

3

Cement

917.0

40

139.0

116.5

36

914.4

3/4

26.70

3

Cement

967.8

40

138.2

121.2

42

1066.8

1/2

21.30

4

Cement

1109.4

40

136.9

136.6



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system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

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Project Specification – Piping Tracing



TABLE - 3



TRACING CODE: ML

PIPE MAINTENANCE TEMPERATURE: T < 180°C

Type of heating medium: Medium Pressure STEAM, 19 barg / 275°C

General air Condition - Design Minimum temperature Associated wind velocity

: 20 °C

: 32.5 m/s (from General Design Specification RAPID-FE1-TPX-

ENG-PRC-0001-0202 paragraph 14.3 Design Wind velocities).

Design Maximum temperature

: 36.5 °C

Associated wind velocity

: 1 m/s (Standard value for minimum wind velocity)

MAIN LINE (to

be traced)

DIAMETER

TRACING

Nominal

Nominal External

Diameter

(inch)

(mm)

(inch)

External

Diameter Nbr

(mm)

Maximum Real

Steam

Fluid

Flowrate

Temperature

Inside the Line

Int.

Thickness

Diameter

kg/h.100m

(°C)

(mm)

(mm)

INSULATION

Fixation

System

3/4

26.7

3/4

26.70

1

Clamp

53.4

30

138.5

13.0

1

33.4

3/4

26.70

1

Clamp

60.1

30

137.1

13.9

3/2

48.3

1/2

21.30

2

Clamp

80.3

30

141.3

18.1

2

60.3

1/2

21.30

2

Clamp

92.3

30

139.6

19.7

3

88.9

1/2

21.30

2

Clamp

120.9

40

139.7

19.6

4

114.3

1/2

21.30

2

Clamp

146.3

40

137.2

22.1

6

168.3

1/2

21.30

3

Clamp

210.9

40

139.0

30.6

8

219.1

3/4

26.70

3

Clamp

272.5

40

139.1

38.2

10

273.1

1/2

21.30

4

Clamp

315.7

40

138.0

42.8

12

323.9

3/4

26.70

4

Clamp

377.3

40

139.2

50.9

14

355.6

3/4

26.70

4

Clamp

409.0

40

137.9

54.1

16

406.4

1/2

21.30

2

Cement

438.4

40

139.9

58.9

18

457.2

1/2

21.30

2

Cement

489.2

40

138.2

63.9

20

508.0

3/4

26.70

2

Cement

548.1

40

140.2

72.5

22

558.2

3/4

26.70

2

Cement

598.3

40

138.9

77.7

24

609.6

3/4

26.70

2

Cement

649.7

40

137.6

82.5

26

660.4

1/2

21.30

3

Cement

703.0

40

139.4

90.9

28

711.2

1/2

21.30

3

Cement

753.8

40

138.3

95.9

30

762.0

1/2

21.30

3

Cement

804.6

40

137.3

100.8

32

821.8

3/4

26.70

3

Cement

875.2

40

139.7

112.4

34

863.6

3/4

26.70

3

Cement

917.0

40

139.0

116.5

36

914.4

3/4

26.70

3

Cement

967.8

40

138.2

121.2

42

1066.8

1/2

21.30

4

Cement

1109.4

40

136.9

136.6

Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

CONFIDENTIAL – Not to disclose without authorization

OWNER REFERENCE



Project



RAPID

PETRONAS RAPID PROJECT

FEED PHASE

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Originator

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DES

0001

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Unit n°

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JSD

1300

0003

Project Specification – Piping Tracing



6.

INSTRUMENTS

Instrument requiring tracing are defined in instrument list in accordance with piping and

instrumentation diagrams.

They can be:

- Flanged-mounted instruments, such as control valves, ON-OFF valves, flow elements, rotameters,

pressure safety valves, or any flanged mounted instrument.

- Tapped-mounted and remote instruments, such as pressure transmitters, level transmitters, flow

transmitters, or any tapped mounted instrument.

7.

DETAIL ENGINEERING AND DESIGN REQUIREMENTS

7.1

Purpose

The purpose of detail engineering and design is to develop, from the documents prepare all

necessary documents and/or calculations which are required to purchase materials, fabricate, install

and test the Steam tracing network.

7.2

General design

Caution shall be taken that tracer feed lines, tracers and tracer return lines do not interfere with

valves, equipment, instruments, etc. in hindering of access, operation, maintenance and removal.

-

Each tracer feed line shall have a separate valved connection on the steam distribution

manifold. Each tracer return line shall be provided with its own steam trap.

-

Steam Supply /Condensate Return M anifolds shall be prefabricated in accordance with

Construction Standards rules.

-

Installation of manifold is preferred in vertical position rather than horizontal position for

space and size matters.

-

Vertical and horizontal steam supply manifolds shall have a maximum of 12 tracer

connections, including dedicated connections for instruments and spare.

-

Vertical and horizontal condensate return manifolds shall have a maximum of 12 tracer

connections, including dedicated connections for instruments and spare.

-

Tracer isometric drawings shall show the tracer route in dotted line, the tracer feed

sequence number from steam manifold and the tracer return sequence number to

condensate return manifold, as well as tracer feed and tracer return pipe length.

-

All valves and traps shall be accessible from grade or platform.

Each tracer supply shall be routed, to the object to be traced, as short as possible, in

accordance with Construction Standards. The tracer shall start at the highest point and be

routed downwards to the steam trap at the condensate collector.

-

Tracer feed and tracer return lines shall be insulated in accordance with the Project

Specification – Thermal Insulation - RAPID-FE1-TPX-MEC-DES-0001-9002

-

.

If a line needs more than one tracer, a tracer may run back and forward along the line as

long as the maximum length is not exceeded.

Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

CONFIDENTIAL – Not to disclose without authorization

OWNER REFERENCE



Project



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Project Specification – Piping Tracing



-

Tracing of two different objects with the same tracer is not permitted. Suction and

discharge piping on two or more parallel pumps shall also be treated separately to enable

dismantling at those pumps while others remain in operation.

-

7.3

Tracers that follow the contour of equipment shall start at the highest point to be traced.

Steam tracer installation

-

Single tracers shall run along the bottom half of the horizontal pipe line to be traced.

M ultiple tracers shall run at an angle to the vertical axis of the horizontal pipe line and

equally spaced at vertical pipe lines (see PTS.31.38.30.11 sheet 20).

-

Flange connections shall be used for tracer dismantling but their use shall be limited as

much as possible.

-

Flange connections shall be installed at pumps, equipment, control valves, relief valves,

special break-out flanges, spectacle blinds and orifice flanges. They shall be installed

outside the insulation to permit dismantling.

-

Vents, drains, equipment nozzles, chemical cleaning connections and/or steam-out

connections, and all other dead ends at a traced object shall be traced to its extremity or up

to and including its first shut-off valve.

7.4

Thermal expansion

-

The thermal expansion for tracing will be define by EPCC CONTRACTORS following

tracer material final choice:

Type of steam

Material

Thermal Expansion

LP Steam at 185 ºC

Stainless steel pipe

To be defined during EPCC

stage

MP Steam at 290 °C

Stainless steel pipe

To be defined during EPCC

stage

-

On long runs, tracers shall be provided with expansion loops. The loops shall be extended

outside the insulation and shall be insulated separately.

-

7.5

Installing flange connections in loops is not allowed.

Instruments

Tracing of instruments shall be as per the Project Specification - Installation of on-line instruments

- RAPID-FE1-TPX-INC-DES-0001-9018 and as per Instrument Hook-up.

7.6

Supporting

-

Tracer feed and return lines (lines running from manifold to tracer or from tracer to

manifold) shall be adequately supported with an acceptable method, preferably from, but

not attached to, adjacent structural steel and not from process lines.

-

The distance between support points shall not exceed 3 m. Supply and return lines, coming

from or going to the same manifold, shall be grouped together as much as possible for

common supports.

-

Tracer supply and return lines shall not be pocketed except where absolutely necessary for

head room, operation and maintenance.

Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

CONFIDENTIAL – Not to disclose without authorization

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Project



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Project Specification – Piping Tracing



-

Tracers shall be supported from the traced object by means of Stainless Steel bands. No

deformation of tracing, due to bending shall be allowed. In all cases the tracer shall be held

tight to the object to be traced without sags.

-

On pipe rack or pipe way, in offsite or in interconnecting, expansion loops shall be

provided.

-

Fastening bands shall be installed allowing tracer thermal expansion expect for anchor

points which shall be more tightened.

-

Tracer bands shall be located as close as possible to the back face of each flange.

8.

STEAM TRACING DOSSIERS

8.1

Drawing requirements

8.1.1

Location of steam distribution manifolds (DM) and condensate return manifolds (CM)

The location of steam distribution manifolds (DM) and condensate return manifolds (CM) shall be

specified on drawings called “Location plan for Steam Supply (DM) and Condensate Return (DM)

manifolds. All manifolds shall be tagged as per RAPID-FE1-TPX-PIP-STD-0001-0002 sheet 655.

If manifolds are located on platform, elevation shall be indicated. Plot Plans shall be used as

background for those Location plans.

8.1.2

Steam supply and condensate Return Manifolds P&IDs

Steam supply and condensate Return Manifolds P&IDs shall be prepared by Piping group.

It includes:

8.1.3

-

Manifold arrangement (tag number, line number, design area allocation)

-

Tracer size, tracer sequence number, tracer destination (line to be traced)

-

From/to connection to steam/condensate P&IDs

Isometrics

Steam supply line, condensate return line and manifolds isometrics.

8.1.4

List of traced lines

List of traced lines (including line number, piping class, diameter, insulation code and design area

number).

8.1.5

Traced isometrics

Traced isometrics (mark-up isometric) including the following information

-

Tracer feed line number from steam manifold and tracer return line number to condensate

return manifold.

-

Pipe length of tracer feed line and tracer return line

Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

CONFIDENTIAL – Not to disclose without authorization

OWNER REFERENCE



Project



RAPID

PETRONAS RAPID PROJECT

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PIP

DES

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Project Specification – Piping Tracing



8.1.6

Heat tracing nomenclature

Table which sums up all above information in order to trace stream traced line and ensure proper

installation during construction activities. Refer to RAPID-FE1-TPX-PIP-STD-0001-0002 Project

Specification – Piping Construction Standard for manifold nomenclature.



9.

MATERIALS

-

Materials for the tracing systems shall be in accordance with the applicable piping classes .

Substitutions, including thicker wall materials, are not permitted without written approval

of Purchaser.

-

Components shall be new, clean and unused.

For all threaded pipe to tube connections, shall be in accordance with ASME/ANSI

B1.20.1 and shall be seal welded with a full strength fillet weld

-

For attachment of tracing, fully softened 18-8 Stainless Steel bands, 10 x 0.4 mm, shall be

used. Seal or buckles for use with bands shall be from 18-8 fully softened Stainless Steel

10.

FABRICATION

-

Installation shall be done in accordance with Steam Tracing Dossiers, Construction

Standards and this specification.

-

Welding shall be in accordance with Project Specification for Shop and field fabrication of

piping system.

-

All carbon steel exterior surfaces, except machined flange faces, shall receive surface

preparation and primer coating, in accordance with applicable project specification.

11.

INSPECTION AND TESTING

11.1

Cleaning

Tracing systems shall be cleaned of weld spatter, pipe scale, rust and other debris prior to testing

and operation by using either steam or air.

11.2

Inspection

The following visual inspections shall be made prior to testing and insulating:

-

Tracing shall be visually inspected for kinked or flattened sections. All such sections shall

be cut out and replaced.

-

Tracer attachments shall be checked to ensure freedom of movement towards expansion

loops.

-

Tracer attachments shall be inspected at expansion loops, at equipment breakpoints, and

other changes of direction where movement of tracer could damage the insulation.

11.3

Testing

The tracer systems shall be pressure tested, prior to insulation.

Subject to the provision of Article 13 of the CONTRACT, TECHNIP hereby grant PETRONAS the copyright of this document. No part of this document may be reproduced, stored in a retrieval

system or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise) without the permission of the copyright owner.

CONFIDENTIAL – Not to disclose without authorization

B MIN

SPARE

SPARE

B

INSTRUMENTS TRACING (WITH TUBING)

STEAM TRAP STEAM TRAP

TO GRADE TO GRADE

BYPASS

SPARE SPARE

STEAM TRAP

TO GRADE BYPASS

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-3

TABLE-1 TRACING CODE: SL PIPE MAINTENANCE TEMPERATURE: T < 55 °C

Type of heating medium: Low Pressure Steam, 5 barg / 165 °C, Saturated temperature 158.8 °C General air condition – Design Minimum temperature: 20 °C Main Line

Tracer

Insulation

Nominal Diameter (DN)

External Diameter (mm)

Nominal Diameter (DN)

Numbers of Tracer

Tracer Fixation

Thickness (mm)

20

26.7

15

1

Fastening Band

30

25

33.4

15

1

Fastening Band

30

40

48.3

15

1

Fastening Band

30

50

60.3

15

1

Fastening Band

30

80

88.9

15

1

Fastening Band

30

100

114.3

15

1

Fastening Band

30

150

168.3

15

1

Fastening Band

30

200

219.1

15

1

Fastening Band

30

250

273.1

15

2

Fastening Band

30

300

323.9

15

2

Fastening Band

30

350

355.6

15

2

Fastening Band

30

400

406.4

15

2

Fastening Band

30

450

457.2

15

2

Fastening Band

30

500

508.0

15

2

Fastening Band

30

550

558.2

15

2

Fastening Band

30

600

609.6

15

3

Fastening Band

30

650

660.4

15

3

Fastening Band

30

700

711.2

15

3

Fastening Band

30

750

762.0

15

3

Fastening Band

30

800

821.8

15

3

Fastening Band

30

850

863.6

15

3

Fastening Band

30

900

914.4

15

4

Fastening Band

30

1050

1066.8

15

4

Fastening Band

30

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-4

TABLE-2 TRACING CODE: SL PIPE MAINTENANCE TEMPERATURE: 55 °C < T < 100 °C

Type of heating medium: Low Pressure Steam, 5 barg / 165 °C, Saturated temperature 158.8 °C General air condition – Design Minimum temperature: 20 °C Main Line

Tracer

Insulation

Nominal Diameter (DN)

External Diameter (mm)

Nominal Diameter (DN)

Numbers of Tracer

Tracer Fixation

Thickness (mm)

20

26.7

15

1

Heat Transfer Cement

20

25

33.4

15

1

Heat Transfer Cement

30

40

48.3

15

1

Heat Transfer Cement

30

50

60.3

15

1

Heat Transfer Cement

30

80

88.9

15

1

Heat Transfer Cement

30

100

114.3

15

1

Heat Transfer Cement

30

150

168.3

15

1

Heat Transfer Cement

30

200

219.1

15

1

Heat Transfer Cement

30

250

273.1

15

1

Heat Transfer Cement

30

300

323.9

15

1

Heat Transfer Cement

30

350

355.6

15

1

Heat Transfer Cement

30

400

406.4

15

1

Heat Transfer Cement

30

450

457.2

15

1

Heat Transfer Cement

30

500

508.0

15

1

Heat Transfer Cement

30

550

558.2

15

1

Heat Transfer Cement

30

600

609.6

15

1

Heat Transfer Cement

30

650

660.4

15

1

Heat Transfer Cement

30

700

711.2

15

1

Heat Transfer Cement

30

750

762.0

15

1

Heat Transfer Cement

30

800

821.8

15

1

Heat Transfer Cement

30

850

863.6

15

2

Heat Transfer Cement

30

900

914.4

15

2

Heat Transfer Cement

30

1050

1066.8

15

2

Heat Transfer Cement

30

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-5

TABLE-3

B

TRACING CODE: SM PIPE MAINTENANCE TEMPERATURE: 100 °C < T < 130 °C

Type of heating medium: Medium Pressure Steam, 19 barg / 275 °C, Saturated temperature 212.4 °C General air condition – Design Minimum temperature: 20 °C Main Line

Tracer

Insulation

Nominal Diameter (DN)

External Diameter (mm)

Nominal Diameter (DN)

Numbers of Tracer

Tracer Fixation

Thickness (mm)

20

26.7

15

1

Heat Transfer Cement

30

25

33.4

15

1

Heat Transfer Cement

30

40

48.3

15

1

Heat Transfer Cement

30

50

60.3

15

1

Heat Transfer Cement

30

80

88.9

15

1

Heat Transfer Cement

40

100

114.3

15

1

Heat Transfer Cement

40

150

168.3

15

1

Heat Transfer Cement

40

200

219.1

15

1

Heat Transfer Cement

40

250

273.1

15

1

Heat Transfer Cement

40

300

323.9

15

1

Heat Transfer Cement

40

350

355.6

15

1

Heat Transfer Cement

40

400

406.4

15

1

Heat Transfer Cement

40

450

457.2

15

2

Heat Transfer Cement

40

500

508.0

15

2

Heat Transfer Cement

40

550

558.2

15

2

Heat Transfer Cement

40

600

609.6

15

2

Heat Transfer Cement

40

650

660.4

15

2

Heat Transfer Cement

40

700

711.2

15

2

Heat Transfer Cement

40

750

762.0

15

3

Heat Transfer Cement

40

800

821.8

15

3

Heat Transfer Cement

40

850

863.6

15

3

Heat Transfer Cement

40

900

914.4

15

3

Heat Transfer Cement

40

1050

1066.8

15

3

Heat Transfer Cement

40

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-6

Calculation Basis for Number and Size of Tracers Basis of Calculation for Decision of Number of Tracers is in accordance with “THERMAL INSULATION HANDBOOK” (by William C. Turner; Publisher: Krieger Pub Co; 2nd edition (June 1, 1969)).

Case 1 : Fluid in traced pipe is flowing

Q = Qi + Qo

Qi =

Qo =

Ta − Ti = πd i1a a (Ta − Ti ) d i1 1 1 ln( ) + 2πli di2 πd i1a a Ta − To d 1 1 1 λn( o1 ) + + d o2 πd o1a o πd o 2a a 2πλi

Q = nπd t1a a (Tt − Ta )

(1) (2)

(3)

(4)

The equation (5) is calculated from equation (1) through (4):

Ta =

1 To R 1 d i1 a a + n d t1 a a + R

d i1 a a Ti + n d t1 a a Tt +

(5)

where

R=

1 2 λo

λn(

d o1 1 1 )+ + d o2 d o1 a o d o 2 a a

If Ta ≥ Ti is satisfied, it is judged that number of tracers is sufficient enough to keep maintenance temperature. Case 2 : Fluid in traced pipe is not flowing

Q = Qi + Qo In this case Qi need not be considered, hence:

Qi = 0 Q = Qo Ta =

(6)

1 To R 1 n d t1 a a + R

n d t1 a a Tt +

(7)

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-6

where Q: Qi : Qo : To : Ti : Ta :

Heating value from tracer [kcal / (m * h)] Heating value to process fluid [kcal / (m * h)] Qo Heating value to atmosphere [kcal / (m * h)] Temperature at atmosphere [deg C] Temperature of Fluid [deg C] Temperature of air layer between insulation and process pipe [deg C] Ta T t : Temperature of Tracer [deg C] α o : Heat transfer coefficient at the surface of Insulation [ 20 kcal / (h * m2 * deg C)] α a : Heat transfer coefficient between insulation and process pipe [ 5 kcal / (h * m2 * deg C)] λ o : Thermal conductivity of insulation [kcal / (h * m * deg C)] λ i : Thermal conductivity of process pipe [kcal / (h * m * deg C)] n: Number of tracers d o1 , d o2 : Outside / Inside diameter of insulation d i1 , d i2 : Outside / Inside diameter of process pipe d t1 , d t2 : Outside / Inside diameter of tracer

To Qo

Ti

Qi QT

Case 3 : Heat Transfer Compound is provided between tracer pipe and process pipe

Qo = Qa + Qb

(8)

Qi = Qb

(9)

Qi = n qi S1 (Tt − Ti )

(10)

Qb = (π d i1 − n S1 ) a a (Ti − Ta )

(11)

Qa = n S 2 a a (Tt − Ta )

(12)

Qo =

Ta − To d 1 1 1 + λn( o1 ) + 2πλo πd o1a o πd o 2a a d o2

Ta = Ti −

nqi S1 (Tt − Ti ) (πd i1 − nS1 )a a

(13)

(14)

The equation (15) is calculated from equation (8) through (13)

Ti =

where

K To )+ R' R' 1 K + A + AK + BK + R' R'

Tt ( A + AK + BK +

A = nS 2a a B = (πd i1 − nS1 )a a

(15)

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-6

nqi S1 nq S = i 1 (πd i1 − nS1 )a a B d 1 1 1 R λn( o1 ) + + = R' = 2πλo d o2 πd o1α o πd o 2α α π K=

S1 : S2 : qi :

Contact area between heat transfer compound and process pipe [m2] Qo Contact area between heat transfer compound and air layer inside insulation [m2] Heat transfer coefficient in case that heat transfer compound is used and radiant heat of tracer is transferred to process pipe [kcal / (h * m2 * deg C)] qi = 167 qi = 159 qi - 142 qi = 131 qi = 116

Qa : Qb : Qi : Qo :

(DN 40 and under) (DN 50) (DN 80) (DN 100) (DN 150)

qi = 105 qi = 89 qi = 71 qi = 59 qi = 47

To Qo

Ta

Tt (DN 200) (DN 250) (DN 300) (DN 350) (DN 400 and larger)

Qi

Ti Qb Qa

(quoted from “Thermal Insulation Handbook”) Heat value from tracer to air layer inside insulation [kcal / (m * h)] Heat value from process pipe to to air layer inside insulation [kcal / (m * h)] Heat value from tracer to process pipe [kcal / (m * h)] Heating value to atmosphere [kcal / (m * h)]

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-7 (1/3)

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-7 (2/3)

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-7 (3/3)

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-8 (1/4)

B

DELETED

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-8 (2/4)

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-8 (3/4)

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-8 (4/4)

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail

As a rule, steam tracers shall be arranged as per following sketches. Fig-1: For Piping (1/2 – 2/2) Fig-2: For Control Valves (1/2 – 2/2) Fig-3: For Vessel Nozzles (1/1) Fig-4: For In-line Instruments and Equipment (1/3 – 3/3) Fig-5: For Sampling Points (1/1) Fig-6: For Pump Piping and Pump (1/4 – 4/4)

B

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail

Fig-1 For Piping (1/2)

B

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail Fig-1 For Piping (2/2)

B

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail Fig-2: For Control Valves (1/2)

DELETED

B

DELETED B

B

Flange connection to be provided on tracer for control valve.

B

Flange connection to be provided on tracer for control valve.

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail Fig-2: For Control Valves (2/2)

B

B

Flange connection to be provided on tracer for control valve.

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail Fig-3: For Vessel Nozzles (1/1)

B

Flange connection on tracer for dismantling

B

Flange connection on tracer for dismantling

B

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail Fig-4: For In-Line Instruments and Equipment (1/3)

B

Tubing can be applied If difficult to install tracer piping

Flange connection on tracer for dismantling

B

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail Fig-4: For In-Line Instruments and Equipment (2/3)

B

B

Flange connection on tracer for dismantling

Tracer to be run along with bottom of discharge flange of PSV and piping.

B

Flange connection on tracer for dismantling

B

Flange connection on tracer for dismantling B

B Flange connection on tracer for dismantling

Flange connection on tracer for dismantling B

Flange connection on tracer for dismantling B

B Flange connection on tracer for dismantling

Flange connection on tracer for dismantling

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail Fig-4: For In-Line Instruments and Equipment (3/3)

B

Flange connection on tracer for dismantling B

Flange connection on tracer for dismantling

Flange connection on tracer for dismantling B

B

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail

Fig-5: For Sampling Points (1/1)

B

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail

Fig-6: For Pump Piping and Pump (1/3)

B

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail Fig-6: For Pump Piping and Pump (2/3)

B

RAPID-P0005-TYO-PIP-DES-2000-0003 Attachment-9 Typical Installation Detail Fig-6: For Pump Piping and Pump (3/3)

B