《仪表回路测试方案》由会员分享，可在线阅读，更多相关《仪表回路测试方案（27页珍藏版）》请在金锄头文库上搜索。
1、Aktogay Copper Project Sulphide Plant Method Statement For Instrument Loop Test 预调试仪表回路测试方案预调试仪表回路测试方案 11250 ZB NFC 0000 MS G 0189 A15 Jul 2016Issued for Review Comment Li ZaiboLiu MingLi Zaibo Rev DateReason for IssuePrepared byReviewed byApproved by Page 2 of 27 Method Statement for Instrument Loo
2、p Test 11250 ZB NFC 0000 MS G 0189 Rev A Table of Contents 1 INTRODUCTION 3 2 REFERENCES check the Face Plate if correct label or tag is displayed Notify DCS vendor for any corrective action For SOVs Force the signal ON to activate solenoid from the DCS ESD force the signal OFF to deactivate the sol
3、enoid from DCS ESD observe valve s action if it respond to the digital output signal command Check the Face Plate if correct label or tag is displayed Notify DCS vendor for any corrective action Adjust switch position if necessary to obtain a good contact Confirm Air Fail Action of the valve as spec
4、ified on P they have to be mentally healthy and not to have the mutilations and diseases disturbing to works e Works can be performed by several crews at the same time thus the designated work site has to be allocated for each crew f Borders of site and arrangement of crews are defined by the head o
5、f works g Unauthorized persons cannot stay directly in the work zone h All personnel workers and engineers at works are obliged to use protective helmets and have to be provided with overalls i Every time before works the head and in his absence the operator is obliged to examine and to be personall
6、y sured about serviceability of tools devices hardware equipment auxiliary devices and facilities intended for works Fall Protection a Ensure no person working at height without safety belts Safety harness should be tied higher than person b Barricade the working area c All safety precautionary sign
7、boards must be visibly posted d Ensure that only authorized personnel are within the affected area e The work shall be executed in accordance with the approved Safety Action Plan Method Statement for Instrument Loop Test 11250 ZB NFC 0000 MS G 0189 Rev A Page 26 of 27 f Tool Box Meeting must be esta
8、blished at site prior to start of any activities detailing potential hazards associated with the work and implement necessary action to caution involve workers g The testing procedures for Loop Checking should follow the guidelines for safety as mentioned in the 8015 0150 LMEL 00 000 HS ST 00001 h W
9、hile giving signals to the instruments care should be taken no damage to the equipment or personal occur 7 TOOLS EQUIPMENT Prior to the expiration of Calibration Certificate of Tools and equipment used in shop field test and calibration works the said Tools and equipment shall be brought to an accre
10、dited Calibration Company in the host country for Accuracy Test and a new Calibration Certificate and Sticker shall be issued that will cover another one year validity a Magnetic level b Adjustable Wrench c Hand Tools d Teflon Tape e Digital Multi meter f DC Power Supply Method Statement for Instrum
11、ent Loop Test 11250 ZB NFC 0000 MS G 0189 Rev A Page 27 of 27 g Multifunction Current mill volt signal generator h HART Communicator i Pressure Calibrator Vacuum Generator j Certified Pressure Gauge k Certified Glass Thermometer l 250 Ohms Loop Resistance Etc All Power hand tools and Equipment be in
12、spected and tagged 8 RELATED DOCUMENTS Inspection and test results shall be recorded on the Engineer s standard forms Where the Engineer s standard test report forms do not cover the required test procedures The original signed forms shall be retained by the contractor until equipment acceptance and
13、 hand over to the Engineer in accordance with the approved construction programme A copy of each completed form shall be submitted by the Contractor to the Engineer immediately following the completion of each inspection and test The ambient temperature and weather conditions shall be recorded where required on the test report
