k-203i electrical instrument connection

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tij TECNICAS REUNIDAS, S.A.SPECIFICATION

PROJECT NUMBER T-1350NUMBER TITLEK-203 I ELECTRICAL INSTRUMENT CONNECTION

SPECIFIC REQUIREMENTS PAGESCONTENTS STANDARD SPECIFICATION No. REV.

X EXCLUSIVE SPECIFICATION PAGES 6

CLIENT ALEXANDRIA MINERAL OILS COMPANY (A.M.O.C.)

PLANT MAXIMIZATION OF GAS OIL PRODUCTION

LOCATION ALEXANDRIA (EGYPT)

1098765432 JAN-99 APPROVED Sheet 6 of 6 (Addenda) E.M. L.M. F.B.

OCT-98FOR

E.M. L.M. F.B.1 APPROVALRev. DATE PURPOSE PAGES REVISED REVISED SECT OR. PEM SIGNA OF DATE

OF REV. OPT. LETTERBY HEAD CLIENT


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t i j ELECTRICAL INSTRUMENT CONNECTION SPECIFICATION No.: K-203 IREVISION 2 Sheet A of ATECNICAS REUNIDAS, S.A. TITLE DATE. JAN-99

INDEX

1. CONTENTS .................................................................................................................. 1

2. SPECIFICATION 70-11 .................................................................................................. 23. ADDENDA .................................................................................................................... 6


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tij ELECTRICAL INSTRUMENT CONNECTION SPECIFICATION No.: K-203 IREVISION 2 Sheet 1 of 6TECNICAS REUNIDAS, S.A. TITLE DATE: JAN-99

1. CONTENTS

The APC Engineering Specification 70-11, rev 2, "Electrical Instruments Connections" , isan integral part of this specification and is included as Part 2. Changes to the Spec. 70-11are noted by means of the words "SEE ADDENDUM ... (followed by paragraph number)"on the left of the corresponding text.The Part 3 of this specification establishes particular requirements changing the Spec 70-11, keeping the numbering of it s sections and paragraphs. The type of change e.g.addition, deletion, modification or substitution is noted fo r each item.


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tij ELECTRICAL INSTRUMENT CONNECTION SPECIFICATION No . K-203 IREVISION 2 Sheet 2 of 6TECNICAS REUNIDAS, S.A. TITLE DATE: JAN-99

2. SPECIFICATION 70-11See attachment.


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ALEXANDRIA PETROLEUMCO.

MEX, REFINERYALEXANDRIA,A.R.E.

1. Raceways

ENGINEERING SPECIFICATION

ELECTRICAL INSTRUMENTCONNECTIONS

INDEX.

1352-INS-13-APOR:1352-INS

No. of Sheets 3Date 26-8-1997REV. 2BY

APPD

SPEC. NO. 70-11


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RACEWAYS1. Wiring for control and instrumentation. shall be run in overhead in galvanised

cable tray of material specified and rigid galvanised conduit minimum size 3/4"with threaded couplings.

2. Trays shall be heavy dut), galvanised deep t)'pe with 9" (230 mm) rung spacing.2.1. Protective covers for cables in trays shall be provide.

3. Conduit fittings shall consist of CROUSE HINDS candulets or equal or wherelarger fittings are used a metal conduit boxes.

4. Fittings an d boxes in division 1 and 2 locations when containing arcing equipment(relays ..etc.) shall be explosion proof.

4.1. In all other cases, vapour tight fittings and boxes shall be used generallyequipped with open gaskets.

4.2. Wherever possible such fittings and boxes shall be galvanised.4.3. Approved sealing fittings shall be located in conduit systems in accordance

with code requirements.4.4. Seal fittings , drains, breathers shall also employed in conduit systems as

may be required to prevent accumulation a condensation or rain.Material for cable ducts shall be ha t rolled steel sheets.

5.1. Material of bolts and nuts shall be st.st.Thickness of sheets shall be as follows:A) 2.0 mm or cable duct or width 380 mm an dB) 3.0 mm for cable duct c width 550 mm and

Th e surface treating of cable ducts shall be galvanising, the amount of zinccoating shall be greater than 90 g-zinc/m. Sheet an d welded portion shall becoated with zinc rich paint.

(;. Where required special shielded 'wires shall be employed. This shalltake into account the use of shielded wiring if required for futurecomputer.

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7. Signal wiring of other systems shall be run overhead in racewa)'s of typespecified above.

8. \Viring of other systems shall not be run in the same racewa)' with signal wiring.8.1. Where metallic trays are utilised as raceways, thermocouple extensionwires and signal Wires can be run in the same trays if metallic barriers areprovided to separate the two.

9. Final connection at each thermocouple, solenoid valve, switch or otherinstruments shall be made with flexible metal tubing covered with a layer ofPV C the length of the flexible is 1000 mm at least.

10. Power fo r instruments shall be supplied through a panel board.10.1. Panel board shall be equipped with single-pole circuit breakers, orfused switches of suitable rating.

11. An alarm system with contacts which open under abnormal conditions shall beprovided, as required by process considerations.11.1. Visual alarm shall be provided by flashing lights an d audible alarm by

horn in the control room or explosion proof local panel.11.2. Acknowledge an d test buttons shall be provided or supervisory control.

12. Automatic shutdowns associated with process instruments shall be actuated byopening circuit.12.1. Provision of a continuous power s)"stem shall be consideredto prevent unnecessary shutdowns and to permit an orderly shutdown in case ofpower outage.

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tiJ ELECTRICAL INSTRUMENT CONNECTION SPECIFICATION No.: K-203 IREVISION 2 Sheet 6 of 6TECNICAS REUNIDAS, S.A. TITLE DATE: JAN-99

3. ADDENDA

2

(ADD) Instrumentation cable wiring fo r PABX, Fire fighting, Communicationand LAN systems shall be also overhead

(ADD) DELETED.

GENERAL (Add.) The use of cable glands and armoured cables routed by trays isacceptable in accordance with code requirements.

k-203i electrical instrument connection

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