Pipelaying Tender-VOL I - WorleyParsons.com

LT MOTORSSlNo. ACTIVITY CONTRACTOR PMCPRELIMINARY CHECKS1Check name plate details as per the approved drawing/ data sheet. WC S2Check foundation and tightness of bolts, level &alignment with the driven equipment, Inspect andattach alignment report. WC S3 Check fixing of all motor accessories including lube oilconnection.WCS4 Check body earthing (earthing at 2 points). WC S5Check whether bearing lubrication is adequate.Perform regreasing if the motor was in storage fornearly a year. WC S6 Check ventilation cooling system. WC S7Inspect glanding, dressing, armour earthing andtermination. WC S8 Check clearances inside terminal box. WC S9Turn motor shaft by hand (if possible) to checkfreeness of rotor. WC S10 Check marking on motor for direction of rotation. WC S11 Check the enclosure for degree of protection. WC S12 Check correct and proper operation of space heater. WC S13 Check and record IR values of stator winding with 500Vmegger for LT motors and 2.5kV megger for HTmotors.WCRw14 Check and record continuity and resistance of winding. WC Rw15 Check & record IR value of space heater w.r.t. statorwinding and earth (500 V megger)WCRw16 Check and record IR value of power and control cablesw.r.t. earth, armour, core before connecting them tomotor terminal.WCRw17 Identify the cable cores and check for continuity. WC S18Check for proper phase connection at the motorterminals and switchgear terminals. WC S19 Check the switchgear module rating for its suitability tothe motor connected.WCS20 Check the overload relay setting WC S21Check whether power fuse rating is as per theapproved drawing. WC Rw22 Ensure that the control gear is available and is workingSatisfactorily and relay settings are as per approveddwg.WCSMH2145-C000-PS-RFQ-0020Page 194 of 334