Jacket Specs [PDF]

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60987R

Project Specification – Piping Steam Jacketing



PROJECT SPECIFICATION

PIPING STEAM JACKETING



OWNER Approval:

PETRONAS

Name:



Date



(DD-MMM-YY) :

Signature:





Document Class:

Z





Pages modified under this revision:

7



Adrien Rafin

2013.04.23 10:44:01

+02'00'





60987R-0001-FOR-0004_E

Jerome Chanavat

2013.04.22 15:06:29

+02'00'

Jean-Marc Maurice

2013.04.23 12:04:59

+02'00'

2

22-Apr-13

IFD – Issued Approved for Design

J.Chanavat

A. Rafin

J.M. Maurice

1

11-Apr-13

IFD – Issued Approved for Design

J.Chanavat

A. Rafin

J.M. Maurice

0

05-Nov-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.

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

Electronic Filename: RAPID-FE1-TPX-PIP-DES-0001-0004_2.doc



OWNER REFERENCE



PETRONAS RAPID PROJECT

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Project Specification – Piping Steam Jacketing



CONTENTS



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

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

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

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

4.1

4.2

APPLICABLE CODES & STANDARDS .................................................................................................................................. 4

ORDER OF PRECEDENCE .................................................................................................................................................... 5

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

5.1

HEATING MEDIA ................................................................................................................................................................ 5

6. PIPING ENGINEERING AND DESIGN REQUIREMENTS .......................................................................................... 5

6.1

GENERAL ........................................................................................................................................................................... 5

6.3

STEAM CONNECTION ......................................................................................................................................................... 6

6.2

6.4

6.5

6.6

6.7

6.8

6.9

SLOPE ................................................................................................................................................................................ 6

FLANGED PIPE CONNECTION ............................................................................................................................................. 6

JUMP-OVERS ...................................................................................................................................................................... 6

VALVES ............................................................................................................................................................................. 6

REMOVABLE SPOOLS ......................................................................................................................................................... 7

RODDING ........................................................................................................................................................................... 7

SPACERS (ALSO CALLED GUIDE PLATES) ........................................................................................................................... 7

6.10 IMPINGEMENT PLATES ....................................................................................................................................................... 7

6.11 THERMAL INSULATION ...................................................................................................................................................... 7

6.12 NON-JACKETED IN -LINE PIPING ITEMS .............................................................................................................................. 7

7. STRESS ANALYSIS ............................................................................................................................................................... 8

7.1

BRANCH LOCATION ........................................................................................................................................................... 8

7.3

EXPANSION JOINTS ............................................................................................................................................................ 8

7.2

STRESS CALCULATION ...................................................................................................................................................... 8

8. MATERIALS ........................................................................................................................................................................... 8

9. FABRICATION ....................................................................................................................................................................... 8

9.1

9.2

10.

10.1

SPOOL FABRICATION ......................................................................................................................................................... 8

EXTERIOR PRIMER C OATING ............................................................................................................................................. 8

INSPECTION AND TESTING ......................................................................................................................................... 8

NON-DESTRUCTIVE EXAMINATION .................................................................................................................................. 8

10.2 HYDROSTATIC TESTING .................................................................................................................................................... 8

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





PETRONAS RAPID PROJECT

FEED PHASE

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Originator

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0004

Project Specification – Piping Steam Jacketing



1.

PURPOSE

This Project Specification covers the minimum requirements for Piping Jacketing 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.

2.

REFERENCE DOCUMENTS

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

Design Standard – Piping

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

Construction Standard – Piping

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

Project Specification - Piping classes summary

RAPID-FE1-TPX-MEC-DES-0001-9002

Project Specification - Thermal insulation

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

Project

Specification

-

Installation

of

on-line

instruments

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

Project Specification – Protective Steam Heating of

Piping System

3.

ACRONYMS AND DEFINITIONS

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

CONTRACT

The Form Of Agreement together with the documents in order of

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.

OWNER

Petroliam

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

OWNER REFERENCE



Project



Package

RAPID

Originator

FE1

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TPX

CONTRACTOR REFERENCE

PETRONAS RAPID PROJECT

FEED PHASE

Project

60987R

Unit n°

Doc. Type

Doc. Code

Sequent. n°

0001

JSD

1300

0004

Project Specification – Piping Steam Jacketing



LICENSOR

Process Licensors selected by OWNER for the process of LICENSED

UNITS of the FACILITIES.

EPCC CONTRACTORS

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

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 STEAM SUPPLY LINE

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

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

unit to a steam distribution manifold.

DISTRIBUTION MANIFOLD

Pipe manifold for the distribution of steam, via tracer feed lines,

to a number of tracers.

JACKET FEED LINE

A carbon steel line running from the steam distribution manifold to

the jacket inlet.

CONDENSATE MANIFOLD

Pipe manifold to collect condensate, via tracer return lines, from

a number of tracers.

CONDENSATE HEADER Header running in the unit, collecting all condensate to the battery

limit.

STEAM TRAP

an automatic device used to remove condensate from a steam system

with a minimum loss of live steam. For terminology and diagrams of

steam traps, reference is made to ISO 6704.

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

-

P&ID

Process & Instrument Line Diagram

-

DM

Steam Distribution Manifold

-

CM

Condensate Return Manifold

4.

CODES AND STANDARDS

4.1

Applicable Codes & Standards

ASME B31.3

Chemical Plant and Petroleum Refinery Piping.

EN 10204

Metallic products - Types of inspection documents

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

OWNER REFERENCE



Project



RAPID

Package

Originator

FE1

TPX

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Unit n°

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PIP

DES

0001

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2

5 / 9

CONTRACTOR REFERENCE

PETRONAS RAPID PROJECT

FEED PHASE

Project

60987R

Unit n°

Doc. Type

Doc. Code

Sequent. n°

0001

JSD

1300

0004

Project Specification – Piping Steam Jacketing



4.2

Order of precedence

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

order of precedence shall be considered:

- 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 Lower 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

The process conditions for each system will be stated on each layout and/or pipe routing drawing

which are issued to Sub-Contractor. These conditions are the only valid conditions for the Sub-

Contractor.

5.1

Heating media

For reference purpose only, overall process conditions are given below for the heating media (LP

steam).

TYPE OF

STEAM

LP

PRESSURE BARG

TEMPERATURE ºC DESIGN

OPER.

DESIGN

OPER.

295

185

9.0

7.0

The process data, as specified in the Line List, for each system must be used for all stress analysis

of the jacketed pipe systems. Maximum allowable temperature difference between core and jacket

should be 50º C.

6.

PIPING ENGINEERING AND DESIGN REQUIREMENTS

6.1

General

All piping components including valves shall be completely jacketed, except as noted on basic

documents.

Minimum pipe and piping components size for the core and Jacket as well as the relation between

core and jacket shall be shall be detailed by EPCC CONTRACTOR in Piping Construction

Standard. Design and construction details shall be indicated on these construction standards.

Isometrics must be issued for each jacketed pipe and will incorporate:

-

All jump over steam/condensate lines,

-

All location for steam in and condensate out.

These isometrics will not show steam network lines.

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





PETRONAS RAPID PROJECT

FEED PHASE

Project

RAPID

Package

FE1

Originator

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Serial n°

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2

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60987R

Unit n°

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Doc. Code

Sequent. n°

0001

JSD

1300

0004

Project Specification – Piping Steam Jacketing



6.2

Slope

Unless noted otherwise on P&ID, piping shall be installed with a slope of 1% to permit natural

drainage inside units. This requirement is not applicable for lines routed through interconnecting.

6.3

Steam connection

Jacket pipe is traced using a specific steam network.

The maximum distance between the steam supply to the jacket and the condensate discharge shall

be 30 meters.

Connection of steam line to jacketed pipe will be done using welded half-coupling as shown in the

Piping Construction Standard (to be developed by EPCC CONTRACTOR) Construction Standard

shall detail the position of steam inlet and steam outlet to the jacket.

Connection should be as close as possible to flanges (but must allow removal of flange bolts), even

more for condensate outlet located on vertical pipes.

Steam supply to the jacket must be as follows:

-

O n horizontal piping, steam supply connections shall be on top of the jacket pipe and

steam/condensate return connections shall be on bottom of the jacket pipe.

-

On vertical piping, steam flow shall be from top to bottom. Steam supply and condensate

connections are side connections for vertical pipes.

Condensate outlet lines from jacketed valve can be branched into those from jacketed pipe spool

nearby. Condensate outlets with steam trap shall be provided near the end of each section at the

interval. Condensates are collected to the condensate network.

6.4

Flanged pipe connection

Jacketed pipe sections shall be provided with reducing slip-on flange connections at each end (so

called oversize flanges).

“Slip-on” flange will be machined to the outer diameter of the core pipe while hub diameter will be

machined to the inner diameter of the jacket pipe.

For connections to flanged valves, nozzles, and pipe spools and where clean-out connections are

required, use of flanged fitting connection shall be maximized.

6.5

Jump-overs

Jump-overs with break-out flanges are used, to carry steam and condensate from the lowest jacket

steam connection to the upper steam connection of the next jacketed pipe.

Steam supply lines and jump-overs shall not be branched to service more than one jacketed circuit.

A steam trap will be installed at the end of each circuit. Supplementary steam traps to be provided

at low points

The use of bends 5D min radius in jump-over, supply and return lines is preferred over elbows.

6.6

Valves

Each jacketed valve shall have three nozzles for steam supply, jump-over nozzle, and condensate

discharge nozzle.

Valve’s hand wheel must be oriented towards operator.

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





PETRONAS RAPID PROJECT

FEED PHASE

Project

RAPID

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FE1

Originator

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Project Specification – Piping Steam Jacketing



6.6.1

Steam connection for horizontal valve

The steam inlet and the jump-over nozzle shall be located on top.

The condensate discharge nozzle shall be located at the bottom.

6.6.2

Steam connection for vertical valve

The steam inlet and the jump-over nozzle shall be located in line.

The condensate discharge nozzle shall be located opposite the jump-over nozzle.

6.7

Removable spools

For dismantling requirements, the maximum jacketed flanged pipe section length shall be

-

6 meters in unit, as stated in RAPID-FE1-TPX-PIP-DES-0001-9009 (amending PTS

31.38.30.11).

-

6.8

The minimum length shall be 0·25 meter

Rodding

For liquid sulphur lines, access for rodding (cleaning) of the product pipe (core) shall be made by

the use of crosses or tee’s at changes of direction.

6.9

Spacers (also called guide plates)

Core pipe will be guided inside the jacket pipe using spacers welded on the core pipe. Guide plates

are made of steel plate in the same materiel as the core pipe.

Construction Standard (to be developed by EPCC CONTRACTOR) shall detail the location of

spacers. Location of external supports must be taken into consideration.

6.10

Impingement plates

An impingement plate shall be provided on the core pipe at the steam inlets to prevent erosion of

the core pipe. The impingement plate will be in the same material than the core pipe.

6.11

Thermal insulation

Jacket pipe will be insulated according to specification.

At flange connection, removable insulation box will be installed.

Nipples shall extend outside the insulation.

6.12

Non-jacketed in-line piping items

Non-jacketed in-line piping items shall be heat traced with a separate supply and return line.

Tracing of non-jacketed in-line piping items in horizontal lines shall be trapped and may only be

extended to the next jacketed section if this section is less than one (1) m eter away, otherwise

vapor/condensate shall be returned to the related condensate system.

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





PETRONAS RAPID PROJECT

FEED PHASE

Project

Package

FE1

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Project Specification – Piping Steam Jacketing



7.

STRESS ANALYSIS

7.1

Branch location

The location of branch connections in jacketed headers should be considered to minimize thermal

stresses.

7.2

Stress Calculation

The mechanical strength of all jacketed pipes and all jacketed branch connections shall be reviewed

or calculated by stress engineer in accordance with the requirement specified.

7.3

Expansion joints

Use of expansion joint is not allowed.

8.

MATERIALS

Materials for jacketed piping systems, including steam supply, jump-overs and condensate lines

shall be developed with respect to Project Specification - Piping classes summary - RAPID-FE1-

TPX-PIP-DES-0001-0021. The basic design documents will indicate which classes are applicable.

9.

FABRICATION

9.1

Spool Fabrication

All spool assemblies shall be shop fabricated in strict accordance with the detail drawings. It is

recommended to fabricate the core pipe without extra circumferential welds (fabricate out of

random or double random length pipe), otherwise, these welds shall be additionally radiographed

before installation of jacket.

9.2

Exterior Primer Coating

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

and primer coating, in accordance with the Project Specifications.

Marking of spools shall be done with a marking or stencil paint that is compatible to the primer.

10.

INSPECTION AND TESTING

10.1

Non-Destructive Examination

All non-destructive examination of the welds in the core piping shall be performed and approved

by the responsible Inspector prior to commencing welding of the jacket piping.

10.2

Hydrostatic Testing

Both the core and the jacket of completed pipe spools shall be subject to a hydrostatic test.

Core and jacket shall be tested as follows:

Core pipe shall be tested in such a way that all welds are visible during test/inspection.

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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PETRONAS RAPID PROJECT

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RAPID

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Project Specification – Piping Steam Jacketing



After a successful core test, the jacket shall be fabricated and then hydrotested. The necessary blind

flanges, jointing and test equipment to be provided by Sub-Contractor in charge of piping

fabrication.

Hydrostatic test pressures shall be as per B31.3, test pressure shall be indicated in line list.

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