Cedriel: time impact analysis in hours, not weeks

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North Campus · Phase 2 · monthly update, October

Compare with Rev 13

NC-P2_Rev14.xerPrimavera P6 · 4.8 MB · data date 14 Oct

›PROJECT North Campus · Phase 2

›TASK 2,418 activities

›TASKPRED 3,906 logic links

›CALENDAR 6 calendars, 2 with night shifts

!Open ends 12 activities without a successor

›Critical 214 activities, float ≤ 0

›Key dates 7 found

✓Ready for a delay

0Activities

0Logic links

0On the critical path

0Calendars

0Open ends

0Constraints

Work breakdownActivities

North Campus · Phase 22,418
Site and civils312
Energy centre286
Hall 1874
Hall 2904
Electrical301
Mechanical342
Commissioning L1 to L5261
Handover44

Describe the delay

New delay event · TIA-007

Delay history (6)

Supplier letter, 2 Oct.pdf1 page · 214 KB

Cedriel I read the letter. 10 of 20 CRAH units for Hall 2 now arrive 15 working days later than planned. I matched this to 4 activities on the schedule. Find the impact

Add detail, or describe another delay…

Delay eventDraft

Event: Late delivery, CRAH units
Scope: 10 of 20 units · Hall 2
Late by: 15 working days
New date: Deliveries from 26 Jan
Source: Supplier letter, 2 Oct, p. 1

Linked activities4

A2140Deliver CRAH units, Hall 2

A2145Set CRAH units, Hall 2

A2210Chilled water connections

A2300Mechanical commissioning (L3)

The real impact

TIA-007 · delay inserted into Rev 14 · data date 14 Oct

ImpactedPlanned

Activity

OctNovDecJanFebMarApr

Hall 2 · Mechanical A2140Deliver CRAH units

A2145Set CRAH units

A2210Chilled water connections

A2230Electrical terminations

Hall 2 · Commissioning A2300Mechanical commissioning L3

A2350Fire systems test

A2410Integrated systems test L5

Key dates MS050Energisation

MS110Hall 1 ready for service

MS210Hall 2 ready for service

MS900Practical handover

Today Contract

Driving pathDelayOther workKey date

Key datesworking days

Key date	Planned	Now
Energisation	12 Jan	12 Jan
Hall 1 ready	2 Mar	2 Mar
Hall 2 ready	16 Mar	10 Apr
Handover	30 Mar	24 Apr

Driving path5 links

A2140Deliver CRAH units
A2145Set CRAH units
A2210Chilled water connections
A2300Mechanical commissioning
A2410Integrated systems test
MS900Practical handover

Options, tested

Every recovery the logic allows, tested against your calendars, crews and constraints

Decision: Option 2

0tested

0ruled out

0options

Option 1Lowest cost

Re-sequence Hall 2 fit-out

Handover delay19 → 7 days

Recovers: 12 days
Handover: 8 Apr+7
Cost: €12,000
Risk: Medium

Needs: the fit-out crew moves to Hall 1 for two weeks.

Choose

Option 2Fastest

Weekend commissioning shifts

Handover delay19 → 2 days

Recovers: 17 days
Handover: 1 Apr+2
Cost: €60,000
Risk: Low

Needs: the commissioning agent on Saturdays for five weekends.

Choose

Option 3Split handover

Commission Hall 1 first

Handover delay19 → 2 days

Recovers: 17 days
Handover: 1 Apr+2
Cost: €18,000
Risk: Medium

Needs: the client agrees to take Hall 1 first.

Choose

The paperwork, done

Option 2, chosen by the project lead on 22 Oct · 4 documents

Download all

Updated scheduleNC-P2_Rev15.xer

Time impact statementTIS-007.pdf · 2 pages

Decision recordDR-007.pdf

Action list12 actions · 5 owners

Generated from the impacted schedule and the chosen option.

TIS-007.pdfPage 1 of 2 · 100%

CedrielTIS-007 · Rev 0 · 22 Oct

Time impact statement

Late delivery of CRAH units, Hall 2

Project: North Campus, Phase 2
Prepared for: Owner’s project team
Schedule: Rev 14, data date 14 Oct
Decision: Option 2, weekend shifts

1 Summary

Late delivery of 10 of 20 CRAH units for Hall 2 delays practical handover by 19 working days. With the chosen recovery, weekend shifts for mechanical commissioning, the delay falls to 2 working days, at an estimated cost of €60,000.

2 Impact on key dates

Key date	Planned	Impacted	Recovered
Energisation	12 Jan	12 Jan	12 Jan
Hall 1 ready for service	2 Mar	2 Mar	2 Mar
Hall 2 ready for service	16 Mar	10 Apr	18 Mar
Practical handover	30 Mar	24 Apr	1 Apr

3 Delay fragnet

4 Recovery

Weekend shifts for mechanical commissioning, five Saturdays.
Commissioning agent confirmed by 30 Oct.
Cost about €60,000, from project contingency.

Project lead · date

Owner’s representative · date

North Campus, Phase 2Page 1 of 2

CedrielTIS-007 · Rev 0 · 22 Oct

5 Activities affected

Activity	Planned finish	Impacted	Δ
A2140 Deliver CRAH units	9 Jan	30 Jan	+15
A2145 Set CRAH units	23 Jan	19 Feb	+19
A2210 Chilled water connections	6 Feb	5 Mar	+19
A2300 Mechanical commissioning	20 Feb	19 Mar	+19
A2410 Integrated systems test	13 Mar	9 Apr	+19

6 Method

The delay was inserted as a fragnet into the schedule current at the data date and the schedule was recalculated. Recovery options were tested against the same logic, calendars and constraints.

Send to client

ToOwner’s project managerOwner’s scheduler

CcProject leadCommercial manager

SubjectTIS-007, CRAH delivery, Hall 2

Please find attached our time impact statement for the late CRAH delivery in Hall 2, the recovery we have chosen and the updated schedule.

TIS-007.pdfDR-007.pdfNC-P2_Rev15.xer

Send Sent to 2 people, copied to 2

TIS-007 sent to the client

Figures by role

The same decision, seen by two people

Project leadScheduler

Option costs · TIA-007Euro

Option	Recovers	Handover	Cost	From contingency
1 Re-sequence Hall 2 fit-out	12 days	8 Apr	€12,000	€12,000
2 Weekend commissioning shifts	17 days	1 Apr	€60,000	€60,000
3 Commission Hall 1 first	17 days	1 Apr	€18,000	€18,000

Project contingency

€1,200,000

Used so far€340,000

This decision€60,000

Left€800,000

Hidden for your role

Who sees budget and contingency

Project leadSees figures

Deciding deputySees figures

Company adminSees figures

SchedulerHidden

Site managerHidden

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Describe the delay

The real impact

Options, tested

The paperwork, done

Time impact statement

1 Summary

2 Impact on key dates

3 Delay fragnet

4 Recovery

5 Activities affected

6 Method

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