Water industry - Scottish Government Investment Group - Committed List performance progress report: quarter 3 2023/24

Sets out how Scottish Water is progressing with the delivery of projects and programmes included on the ‘Committed List’ and confirms the position up to the end of December 2023 (Q3 2023/24).


Appendix A – Water Sub-Portfolios

The list of projects included in the sub-portfolios can be found by filtering the Committed List by column E.

Water SR15 Completion Projects

With overall IPOD points of 86, the SR15 Completion sub-portfolio is out with the target range of 97 to 100.

Start on Site

1 project (Sanday WTW - QUALITY) started on site during Q3 bringing the total number of projects achieving the Start On Site (SOS) milestone to 6 with performance being at the top of the range of 5 to 6 points.

Acceptance

1 project (SR15 ES - Uig WTW - SR15 WQ) achieved acceptance during Q3, bringing the total number of completed projects delivering benefit to customers to 34 which is below the target of 40 points. 6 in the SR15 Completion sub-portfolio have been reforecast. Reasons for reforecasting can be found in the table below.

Project ID

Description

Reason For Reforecast

Baseline Quarter

Forecast Quarter

404135

Dalwhinnie WTW - TTU

Third party issues

2022/23 Q4

2024/25 Q1

500509

South Edinburgh Service Resilience

Construction risks realised

2021/22 Q2

2024/25 Q3

500523

Ayrshire Strategic Resilience

Construction risks realised

2023/24 Q2

2024/25 Q4

501001

SR15 TE CM Staney Hill North - Q Sandy Loch WTW

Design issues

2022/23 Q4

2025/26 Q1

503336

Water Quality Improvement-Wick East DMA

Construction risks realised

2022/23 Q3

2024/25 Q1

503595

Yarrowfues WTW main-out 2019

Third party issues

2021/22 Q4

2023/24 Q4

Financial Approval

1 project (Fair Isle WTW - Quality) achieved financial completion during Q3, taking the total achieved to 46 which is out with the target range of 52 to 54 points. 8 in the SR15 Completion sub-portfolio have been reforecast. Reasons for reforecasting can be found in the table below.

Project ID

Description

Reason For Reforecast

Baseline Quarter

Forecast Quarter

403994

SR15 ES - Uig WTW - SR15 WQ

Design issues

2022/23 Q3

2024/25 Q1

404135

Dalwhinnie WTWTTU

Construction risks realised

2023/24 Q3

2024/25 Q3

500246

Ringford WTW

Construction risks realised

2022/23 Q2

2023/24 Q4

500509

South Edinburgh Service Resilience

Construction risks realised

2022/23 Q1

2025/26 Q1

501001

SR15 TE CM Staney Hill North - Q Sandy Loch WTW

Construction risks realised

2023/24 Q3

2025/26 Q3

501418

500122 - Ness WTW

Third party issues

2022/23 Q2

2023/24 Q4

503336

Water Quality Improvement-Wick East DMA

Construction risks realised

2023/24 Q1

2024/25 Q3

503595

Yarrowfues WTW main-out 2019

Third party issues

2022/23 Q3

2024/25 Q2

Water Quality

With overall IPOD points of 125, the Water Quality sub-portfolio is out with the target range of 136 to 157.

Start on Site

3 projects (Forehill DSR Repairs, Burghmuir DSR Repairs, Pourie DSR Repairs) started on site during Q3 bringing the total number of projects achieving the Start On Site (SOS) milestone to 36 with performance being in the centre of the range of 32 to 38 points.

Acceptance

3 projects (SR21 Carron Valley WTW - Air Curtain, TWS Tiree WTW CWBT Replacement, Pourie DSR Repairs) achieved acceptance during Q3, bringing the total number of completed projects delivering benefit to customers to 44 which is out with the target range of 54 to 58 points. 15 in the Water Quality sub-portfolio have been reforecast. Reasons for reforecasting can be found in the table below.

Project ID

Description

Reason For Reforecast

Baseline Quarter

Forecast Quarter

403991

SR15 ES - Newmore WTW - WQ and Essential Related CM Upgrade

Construction risks realised

2022/23 Q4

2023/24 Q4

500245

Galashiels Manse Street WTW

Construction risks realised

2022/23 Q2

2024/25 Q2

500896

Craighead WTWCM

Construction risks realised

2022/23 Q3

2023/24 Q4

501232

Whitehillocks WTW - Quality and CM

Additional scope required to complete

2021/22 Q4

2024/25 Q1

501243

Invercannie WTW Pre-Treatment CWT and CM

Construction risks realised

2022/23 Q4

2023/24 Q4

501379

WTW000640 - MARCHBANK WTW NT165645

Construction risks realised

2022/23 Q2

2024/25 Q1

501388

WTW000626 - PATESHILL WTW NS983595

Construction risks realised

2021/22 Q4

2023/24 Q4

501390

WTW000627 - ROSEBERY WTW 1940 NT305570

Construction risks realised

2022/23 Q3

2024/25 Q2

501393

WTW000712 - HOWDEN WTW NT456275

Additional scope required to complete

2022/23 Q1

2023/24 Q4

502132

Burncrooks WTW Quality THM Compliance

Third party issues

2022/23 Q4

2024/25 Q3

502648

IR18 Allowance - Ardrishaig WTW

Construction risks realised

2022/23 Q1

2024/25 Q1

502649

Dhu Loch_Argyll and Bute_THM Research and Investigation

Construction risks realised

2022/23 Q4

2024/25 Q1

502651

Afton WTW_Ayrshire_THM Research and Investigation

Construction risks realised

2022/23 Q2

2024/25 Q1

503162

Auchneel WTW - Lime to Caustic

Construction risks realised

2022/23 Q2

2023/24 Q4

511500

SR21 Core WTW pilots - Ozone GAC

Construction risks realised

2023/24 Q3

2023/24 Q4

Financial Approval

5 projects (Kirkmichael WTW - CM, IR18 Tighnabruaich Lead Comms Investigation and Replacement, Stornoway WTW - Interim THM and Cryptosporidium measures, SR21 Bonnycraig WTW Growth and Quality, SR21 Core WTW Pilots - Filter Columns) achieved financial completion during Q3, taking the total achieved to 45 which is out with the target range of 50 to 61 points. 18 projects in the Water Quality sub-portfolio have been reforecast. Reasons for reforecasting can be found in the table below.

Project ID

Description

Reason For Reforecast

Baseline Quarter

Forecast Quarter

403127

SR15 ES - Loch Ness Regional WTW Scheme

Construction risks realised

2023/24 Q1

2023/24 Q4

403991

SR15 ES - Newmore WTW - WQ and Essential Related CM Upgrade

Construction risks realised

2023/24 Q3

2024/25 Q1

500245

Galashiels Manse Street WTW

Construction risks realised

2023/24 Q1

2025/26 Q1

500896

Craighead WTW - CM

Construction risks realised

2023/24 Q2

2023/24 Q4

501217

Glenlatterach WTW Manganese Removal

Construction risks realised

2022/23 Q1

2023/24 Q4

501232

Whitehillocks WTW - Quality and CM

Additional scope required to complete

2022/23 Q3

2024/25 Q3

501243

Invercannie WTW Pre-Treatment CWT and CM

Construction risks realised

2023/24 Q3

2024/25 Q2

501379

WTW000640 - MARCHBANK WTW NT165645

Construction risks realised

2023/24 Q1

2024/25 Q2

501388

WTW000626 - PATESHILL WTW NS983595

Construction risks realised

2022/23 Q3

2024/25 Q1

501390

WTW000627 - ROSEBERY WTW 1940 NT305570

Construction risks realised

2023/24 Q2

2024/25 Q3

501393

WTW000712 - HOWDEN WTW NT456275

Additional scope required to complete

2022/23 Q4

2024/25 Q1

502132

Burncrooks WTW Quality THM Compliance

Third party issues

2023/24 Q3

2025/26 Q1

502648

IR18 Allowance - Ardrishaig WTW

Construction risks realised

2023/24 Q2

2024/25 Q2

502649

Dhu Loch_Argyll and Bute_THM Research and Investigation

Additional scope required to complete

2023/24 Q3

2024/25 Q1

502650

IR18 Allowance - Tarbert WTW

Third party issues

2023/24 Q2

2023/24 Q4

502651

Afton WTW_Ayrshire_THM Research and Investigation

Construction risks realised

2023/24 Q1

2024/25 Q2

503050

Wishaw TM Water Quality

Construction risks realised

2023/24 Q1

2023/24 Q4

503162

Auchneel WTW - Lime to Caustic

Construction risks realised

2023/24 Q1

2024/25 Q2

Water Supply

With overall IPOD points of 197, the Water Supply sub-portfolio is above the target range of 158 to 196.

Start on Site

5 projects (RCI Stewarton and Machrihanish DMA - Phase 2, Roughrigg Reservoir MIOS, RCI Benbecula DMA 6 inch AC Main, RCI Madderty and St Davids DMA, RCI Non - DMA Kingshill WSZ - Monymusk Corridor) started on site during Q3 bringing the total number of projects achieving the Start On Site (SOS) milestone to 77 with performance being in the centre of the range of 70 to 80 points.

Acceptance

9 projects (SR21 ES North Third, NRSWA Edinburgh Trams York Place to Newhaven, RCI Hilliclay DMA (Stainland), RCI Tore and Drumderfit DMA (Tore to Kessock), RCI Kinlochbervie DMA (Kinlochbervie WOA), Dirty Dam - Silt removal, SR21 Eela WTW Interim Measures, RCI Blairdaff and Fetternear DMA, Orkney Sludge Trial Enabling Works) achieved acceptance during Q3, bringing the total number of completed projects delivering benefit to customers to 65 which is in the top half of the range of 49 to 69 points.

Financial Approval

5 projects (Carfin Incident - MD interventions, ICF - Forres Strategic Water upgrade, RCI Catterthun DMA Craigton of Monikie, RCI Clachan DMA Longrigg, RCI Comrie and Bogside DMA Righead Farm) achieved financial completion during Q3, taking the total achieved to 55 which is well above the target range of 39 to 47 points.

Contact

Email: waterindustry@gov.scot

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