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PRJ-2026-004Critical7ExecutionConstruction

East Waha Wastewater Treatment Plant

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A 120,000 m³/day tertiary treatment plant with a reuse network for irrigation.

Early warning: ⁦95%⁩ chance of slipping within ⁦30⁩ days

Budget (BAC)

SAR 412M

Actual cost

SAR 333.5M

⁦81%⁩ of budget

Progress

⁦68%⁩

Planned ⁦92%⁩

Estimate at completion

SAR 490.5M

SAR +78.5M

SPI · CPI

0.74Schedule performance index · 0.740.84Cost performance index · 0.84

Forecast finish

⁦2027-02-03⁩

126 days behind baseline

ExecutionPhase ⁦7⁩ of ⁦11⁩

Next gate:Monitoring & Control14 May 2026

  1. Idea · CompleteIdea · Complete
  2. Gate into «Feasibility»DecisionConditional goDate28 July 2023Feasibility · CompleteFeasibility · Complete
  3. Gate into «Initiation»DecisionGoDate15 November 2023Initiation · CompleteInitiation · Complete
  4. Gate into «Planning»DecisionGoDate14 January 2024Planning · CompletePlanning · Complete
  5. Gate into «Approval»DecisionConditional goDate4 March 2024Approval · CompleteApproval · Complete
  6. Gate into «Procurement»DecisionGoDate2 April 2024Procurement · CompleteProcurement · Complete
  7. Gate into «Execution»DecisionGoDate20 June 2024Execution · Current phaseExecution · Current phase
  8. Gate into «Monitoring & Control»DecisionNot held yetDate14 May 2026Monitoring & Control · Not startedMonitoring & Control · Not started
  9. Gate into «Handover»DecisionNot held yetHandover · Not startedHandover · Not started
  10. Gate into «Closure»DecisionNot held yetClosure · Not startedClosure · Not started
  11. Gate into «Benefits Realization»DecisionNot held yetBenefits Realization · Not startedBenefits Realization · Not started

Al-Waha Region Development Authority

Project charter

East Waha Wastewater Treatment Plant

APPROVEDV2Approved ⁦2024-01-12⁩

1Project identity

Project name
East Waha Wastewater Treatment Plant
Project code
PRJ-2026-004
Sponsor
Eng. Turki A. Al-AnaziEng. Turki A. Al-AnaziVP, Projects & InfrastructureP-010t.alanazi@alwaha.gov.sa
Project manager
Eng. Waleed O. Al-JuhaniEng. Waleed O. Al-JuhaniDirector, Utilities & Public ServicesP-021w.aljuhani@alwaha.gov.sa
Business owner
Eng. Bandar M. Al-ShammariEng. Bandar M. Al-ShammariDeputy, InfrastructureP-013b.alshammari@alwaha.gov.sa
Portfolio & programme
Sustainability PortfolioEnergy & Water Efficiency Programme
Type & methodology
Infrastructure · Construction
Current phase
7Execution

2Background & rationale

A ⁦120,000⁩ m³/day tertiary treatment plant with a reuse network for irrigation.

3Objectives

  1. 1Raise energy and water efficiency and cut emissions
  2. 2Improve quality of life and the urban landscape

4Scope

In scope

  • A ⁦120,000⁩ m³/day tertiary treatment plant with a reuse network for irrigation.
  • Saudi Building Code compliance
  • Approved traffic diversion plan

Out of scope

  • Operation and maintenance after the warranty period
  • Work outside the approved site or system boundary

5High-level requirements

  1. 1Saudi Building Code compliance
  2. 2Approved traffic diversion plan
  3. 3Civil-defence requirements

6Deliverables

1Project management plan⁦2024-02-23⁩
2Main deliverable — stage 1⁦2025-06-02⁩
3Main deliverable — final stage⁦2026-05-14⁩
4Final report⁦2026-09-30⁩

7Key milestones

  1. Charter approved⁦2024-01-12⁩
  2. Contract signed⁦2024-06-20⁩
  3. 50% of works complete⁦2025-06-02⁩
  4. Provisional acceptance⁦2026-07-13⁩
  5. Closure⁦2026-09-30⁩

8Budget

  • Main contract⁦72.0%⁩296.6M
  • Supervision & consulting⁦14.0%⁩57.7M
  • Internal team⁦9.0%⁩37.1M
  • Contingency reserve (⁦5%⁩)⁦5.0%⁩20.6M
The owning sector’s approved budgetTotal412M

9Timeline

Start
2024-01-142 Rajab 1445 AH
Baseline finish
2026-09-3019 Rabiʻ II 1448 AH
Duration
⁦33⁩ months

10Key risks

  • HighMain contractor cash-flow distress and unpaid subcontractors
  • HighTreated-water quality failing NCEC requirements
  • MediumFailures in the main force mains during commissioning

11Constraints

  • Stay within the approved budget
  • Comply with the Government Tenders & Procurement Law

12Assumptions

  • Named internal staff available throughout
  • Approvals land within workflow SLAs

13Stakeholders

  • Project sponsorDecisions and funding
  • Business ownerAccepts deliverables, owns benefits
  • PMOGovernance and compliance

14Success criteria

  1. 1Delivered within the approved budget
  2. 2On the approved date ⁦±5%⁩
  3. 3Target benefits within ⁦12⁩ months

15Governance structure

  • Change Control BoardApproves scope, cost and schedule changesWeekly
  • PMO CommitteeMethodology compliance, data quality, stage gatesFortnightly
  • Project management teamDay-to-day control, risks, issues, weekly statusWeekly
Version V2 · ⁦4⁩ of ⁦4⁩ signaturesInternal — not for circulation outside the authority
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