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P&A, Q&P: Teuku Akbar, Herman Santoso:

Field Preventive Maintenance Process Process

Author Navneet Kaushik

Owner Nandhakumar Ramasami

Organization H3I MS Project: IDN/FLM

Approver Rakesh Varma

Document ID

Document NO

Document TYPE

Document Status

Version

D524323448

PROC-NET-MS-FLM-PM-01

Controlled

Approved

1.1

Document location Sharenet

Change History Ver. status Date Author Owner Checked by Checked Date

Reviewed Date

Reviewed by Approver

Approval Date

Description of changes

1 Approved 01.07.2014 Steve Joyce Steve Joyce

Nandhakumar Ramasami 01.07.2014 NA NA

Rakesh Varma

01.07.2014 Initial Document

1.1 Approved 06.11.2014 Navneet Kaushik Nandhakumar

Ramasami Nandhakumar

Ramasami 06.11.2014 06.11.2014 Navneet Kaushik

Rakesh Varma

06.11.2014

Align with new

template from Global

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This material, including documentation and any related computer programs, is protected by copyright controlled by Nokia Solutions and Networks. All rights are reserved. Copying, including reproducing, storing, adapting or translating, any or all of this material requires the prior written consent of Nokia Solutions and Networks. This material also contains confidential information, which may not be disclosed to others without the prior written consent of Nokia Solutions and Networks.

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Contents 1. Purpose ..................................................................................................................... 4

2. Scope ........................................................................................................................ 5

3. Process ..................................................................................................................... 6

4. Responsibilities ......................................................................................................... 7

5. Process and Work Instruction Description ................................................................ 8

5.1 Guidance documents .................................................................................... 8

5.2 WI Description ............................................................................................... 8

5.2.1 Schedule Submission and Site list .................................................... 8

5.2.2 Schedule Verification ......................................................................... 10

5.2.3 On Site Preventive Maintenance and Reporting ............................... 10

5.2.4 PM Report Verification ....................................................................... 10

6. Appendixes ............................................................................................................... 11

6.1 PM Checklist Template ................................................................................. 11

6.2 PM Reporting & Scheduling Template .......................................................... 11

7. Terminology .............................................................................................................. 12

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1. Purpose This document describes the field preventive maintenance process for scheduling, assigning, executing and reporting field based preventive maintenance for the in scope network elements.

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2. Scope In scope Network Elements including BSS, RAN, Transmission NEs, DC Power systems and Infrastructure preventive maintenance.

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3. Process

Schedule Submisstion and Site List

Approval

Schedule VerificationN

On Site PM

Y

PM Reporting

PM Report Verification

Approval

N

Final PM Report

Y

Subco Cluster TL

Nokia Regional FLM

Subco FLM Engineer

Subco FLM Engineer

Subco Cluster TL

Nokia Regional FLM

Subco Cluster TL

Nokia Regional FLM

Preventive maintenance performs the maintenance activities based on approved schedule plan. Checks for the availability of resources for every site before PM activities. If resources are not available, PM can be rescheduled. Subco Cluster TL prepare and submit schedule and site list. See 5.2.1

Nokia Regional FLM will verify the schedule based on site priorities, granularities, resources, site permit and submission date.

Nokia Regional FLM give approval on schedule plan. And Subco Cluster TL prepare site permit. If permission not granted, the revert back to reschedule process to find new date or escalation to high level to find the solution or permission.

Preventive maintenance can be done if the permission is granted from all related parties and departments. On site PM done by Subco FLM Engineer with carrying on PM checklist and taking proper evidence on checklist item

Subco FLM Engineer submit PM Report to Subco Cluster TL.

Subco Cluster TL collect and verify PM Report

Nokia Regional FLM give approval on PM Report after verifying checklist item, evidence, performed date of PM and validity of PM Reports.

Subco Cluster TL store all PM Reports to PM database and submit final PM reports to Nokia Regional FLM team with complete sign documents, PM Reports summary and remaining PM punch list

Submission of ReportNokia Regional FLM

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4. Responsibilities Subcon Cluster TL

Subcon Field Engineer

Nokia Regional FLM

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5. Process and Work Instruction Description 5.1 Guidance documents

Preventive Maintenance Reporting Templates E2E fault management Process PM schedule

5.2 WI Description

5.2.1 Schedule Submission and Site list

Preventive maintenance is carried out on regular scheduled basis as agreed with H3I. Depending on equipment requirements, regular routine preventive maintenance may be carried out on the basis of:

Daily maintenance schedule Weekly maintenance schedule Monthly maintenance schedule Quarterly maintenance schedule Annual or bi-annual maintenance schedule

Not all equipment requires these regular schedules and each schedule may have a different requirement .

Preventive maintenance team are required to perform the level of maintenance schedule required depending on the equipment. Specialist subcos may be required to perform higher technical level maintenance

FLM team performs the maintenance activities based on planned schedule. Subco TL plans the schedule in advance (ideally monthly in advance), checking the maintenance schedule against the availability of resources for every area before planning maintenance activities. If resources are not available, maintenance can be rescheduled and plan work is informed to reschedule accordingly.

Subco Helpdesk and Field Resource should be aware of the PM schedule and be aware of the requirements. Two men may be required for certain site visits and activity

Schedule plan contain granularities check of network element which agreed by customer. Site list schedule will contain site list planned to be checked in within certain period basis to comply with critical site infrastructure/support equipment requirements.

Example of equipment based schedule plan agreed as below although the schedule may be determined by the site priority which supersedes the equipment requirements,

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Network Element Equipment Type Maintenance Schedule

Radio- Geran Siemens

Outdoor 2G: BS 241 2G/3G: BS 241 + NB 881

Every 6 months Indoor: 2G: BS 288 2G/3G: BS 288 + NB 860 Road outdoor: BS 82

Radio- Geran Siemens BSC, eBSC Every 3 months

Radio- Utran Siemens / NEC Outdoor 3G NB 881

Every 3 months Indoor: 3G NB 860 Road outdoor: BS 82

Radio- Utran Siemens / NEC RNC Every 6 months Radio- MW PDH Siemens SRAL XD Every 4 Months

Radio- MW SDH Fujitsu Siemens SRT1F Every 4 Months

Radio- MW SDH Fujitsu Siemens SRA 4 Every 4 Months

SMA hiT 7070 / 7050 Every 4 Months NMS- Microwave Regular PC Every 4 Months NMS- RC GSM OMP SUN Sun Fire 4800 (1XF4800) Every 3 months NMS- RC GSM OMT SUN Sun Blade 150 (1XSB150) Every 3 months NMS- RC UMTS OMP SUN Sun Fire 4800 (1XF4800) Every 3 months NMS- RC UMTS OMT SUN Sun Blade 150 (1XSB150) Every 3 months

UPS Based on the Equipment Type Need to be audit during HW upgrade preparation

DC System- Rectifier Once a year DC System- Battery Twice a year Power System Once a year

Example site list schedule submission as below,

Site name Region Network Element

PIC Subco Maintenance Schedule Date

RMC Approved

A South Radio- Geran John 14-Aug-2014 Yes

B South Radio- Utran John 15-Aug-2014 No

C North DC System- Rectifier Doe 14-Aug-2014 Yes D South DC System- Rectifier Smith 14-Aug-2014 Yes

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5.2.2 Schedule Verification

Schedule verification shall be performed by Nokia Regional FLM / RMC to ensure PM site granularities meet the time and resources available to perform PM. After verification done by Nokia Regional FLM and approval given, Subco Cluster TL will process with site permit submission

5.2.3 On Site Preventive Maintenance and Reporting

On Site preventive maintenance is to check the overall status of the network for the proper functioning. Every network element installed has a different configuration, for instance the amount of carriers used, the sectors for each BTS site and the links used is different for every network element. It is important to have this information to understand the work level require and will determine the timescales required to carry out the PM activity on all equipment as per the schedule.

Preventive Maintenance checklist documents shall be prepared and completed during on site PM activity. Evidence picture shall be taken for each corresponding item in PM checklist by FLM Engineer.

Checklist is completed when the check on the network element has been performed according to its network configuration. When no faulty symptoms or occurrences of alarm are found, the result can be dispatched to the related department to describe that the network element is stable. Whenever required a TT will be raised for faults found during the visit and they will be corrected, time, spares and tools permitting. Service affecting faults will be corrected during the visit. Any outstanding faults will be scheduled for correction with the SLA

Subco Cluster TL will collect all sites PM Reports from Subco FLM Engineer.

5.2.4 PM Report Verification

Subco Cluster TL will collect all sites PM Reports from Subco FLM Engineer. Data result from Subco FLM Engineer should be verified to compare with data configuration. Final report is considered to be the data report.

Verification on inspection date, site report, etc needed as report shall be considered as valid and trusty reports. A valid evidence photograph corresponding to PM checklist item shall be there, otherwise PM Report will be sent back to Subco FLM Engineer to take proper evidence

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6. Appendixes 6.1 PM Checklist Template

PM Checklist Template .xls

6.2 PM Reporting & Scheduling Template

PM Report template.XLSX

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7. Terminology Terminology Meaning

BSC Base Station Controller BTS Based Transceiver Station CTL Cluster Team Lead FLM First Line Maintenance FM Fault Management GDC Global Delivery Center PM Preventive Maintenance RNC Radio Network Controller TL Team Leader WI Work Instruction