Attenuation pond · Drainage

Attenuation pond at km 85.7

Demo

A23-PD-0003 · A23 Beira Interior, Portugal · Both

Low criticalityExpired

Condition: 2Good; Index 77 of 100. Loses 1 a year.
Remaining life: 28 years; Installed 2004, 50-year life
Replacement value: €174k; 3,870 m³
Next inspection: 19 Oct 2027; In 353 daysLast inspected 19 Oct 2026

Inventory and condition

What it is and how it is wearing

Type: Attenuation pond (Drainage)
Construction: Lined attenuation basin
Quantity: 3,870 m³
Location: A23 Beira Interior, Both
Coordinates: 39.81385, -7.50168
Installed: 2004
End of design life: 2054

Component condition

InletGood
Outlet controlGood
EmbankmentVery good

Condition history

Inspected condition indexForecast to handback, 2032Bands show grades 1 (top) to 5.

Show as a table

Condition index at each inspection
Date	Index	Grade	Inspector
21 Oct 2018	85	Very good	Pedro Almeida
21 Oct 2019	83	Very good	Sofia Pinto
20 Oct 2020	82	Very good	Pedro Almeida
20 Oct 2021	81	Very good	Sofia Pinto
20 Oct 2022	83	Very good	Pedro Almeida
20 Oct 2023	79	Good	Sofia Pinto
19 Oct 2024	78	Good	Pedro Almeida
19 Oct 2025	78	Good	Sofia Pinto
19 Oct 2026	77	Good	Pedro Almeida

People and organisations

Who is responsible for it

7 linked

OwnerContractorConsultantInsurerGrantor

Asset ownerJoão Martins, A23 Beira Interior concession companyAccountable for condition, renewal and handbackjoao.martins@a23-beira-interior-concession-company.example
Asset managerMiguel Costa, A23 Beira Interior concession companyKeeps the record, plans inspections and worksmiguel.costa@a23-beira-interior-concession-company.example
Maintenance contractorCatarina Gomes, Beira Conservação ViáriaRoutine and reactive maintenance, defect repairscatarina.gomes@beira-conservacao-viaria.example
Inspection consultantPedro Almeida, Estrela Inspeções TécnicasPrincipal and general inspectionspedro.almeida@estrela-inspecoes-tecnicas.example
Original contractorSerra ConstruçõesWorkmanship warranty and defects liability
InsurerMeridian Infrastructure InsuranceProperty damage and third-party liability cover
GrantorPortuguese granting authorityReceives the asset at handback in 2032

History

Inspections, works, defects and notes

Inspection: Drainage survey19 Oct 2026
Grade 2, index 77. Free-flowing; gullies clear.
Pedro Almeida, Estrela Inspeções Técnicas
Note: Note9 Apr 2026
Asset data checked against as-built drawings.
Miguel Costa
Note: Note10 Feb 2026
Added to the next renewal programme for scoping.
Miguel Costa
Inspection: Routine inspection19 Oct 2025
Grade 2, index 78. Free-flowing; gullies clear.
Sofia Pinto, Estrela Inspeções Técnicas
Inspection: Drainage survey19 Oct 2024
Grade 2, index 78. Free-flowing; gullies clear.
Pedro Almeida, Estrela Inspeções Técnicas
Inspection: Routine inspection20 Oct 2023
Grade 2, index 79. Free-flowing; gullies clear.
Sofia Pinto, Estrela Inspeções Técnicas
Inspection: Drainage survey20 Oct 2022
Grade 1, index 83. Free-flowing; gullies clear.
Pedro Almeida, Estrela Inspeções Técnicas
Inspection: Routine inspection20 Oct 2021
Grade 1, index 81. Free-flowing; gullies clear.
Sofia Pinto, Estrela Inspeções Técnicas

Liability and warranty

Who pays if something goes wrong

2004200820122016202020242028

Workmanship warrantyExpiredSerra Construções1 Feb 2004 to 31 Jan 2007, ended 240 months ago. Materials and workmanship of the works.
Defects liability periodExpiredSerra Construções1 Feb 2004 to 31 Jan 2006, ended 253 months ago. Defects notified by the concession company after handover.

Today

Liability by area

Who carries each liability
Liability	Responsible	Terms
Routine maintenance	Beira Conservação Viária	Operations and maintenance contract, performance-based
Defects	A23 Beira Interior concession company	All warranties expired; the concession company carries the risk
Renewal	A23 Beira Interior concession company	End of design life around 2054
Third-party damage	Meridian Infrastructure Insurance	Costs recovered from the at-fault party where known; €5,000 excess
Handback condition	A23 Beira Interior concession company	Grade 3 or better at handback in 2032

Handback

Handback to the grantor in 2032Portuguese granting authority

3RequiredFair or better2ForecastGood

Forecast to meet the handback standard at the current rate of wear.

Claims

No claims recorded against this asset.

Nearest assets on A23 Beira Interior

1Drainage run at km 85.0A23-DR-0006 · 0.7 km away
4Road markings at km 87.1A23-RM-0008 · 1.4 km away
3Safety barrier at km 84.1A23-SB-0016 · 1.6 km away
2Emergency phone at km 84.0A23-SO-0008 · 1.7 km away
3Pavement section at km 87.9A23-PV-0012 · 2.2 km away

All 224 assets on A23 Beira Interior

Illustrative record generated for the demo. Names, organisations, contacts, dates and amounts are fictional.

Loading asset record…

Date

Index

Grade

Inspector

21 Oct 2018

Very good

Pedro Almeida

21 Oct 2019

Very good

Sofia Pinto

20 Oct 2020

Very good

Pedro Almeida

20 Oct 2021

Very good

Sofia Pinto

20 Oct 2022

Very good

Pedro Almeida

20 Oct 2023

Good

Sofia Pinto

19 Oct 2024

Good

Pedro Almeida

19 Oct 2025

Good

Sofia Pinto

19 Oct 2026

Good

Pedro Almeida

Liability

Responsible

Terms

Routine maintenance

Beira Conservação Viária

Operations and maintenance contract, performance-based

Defects

A23 Beira Interior concession company

All warranties expired; the concession company carries the risk

Renewal

A23 Beira Interior concession company

End of design life around 2054

Third-party damage

Meridian Infrastructure Insurance

Costs recovered from the at-fault party where known; €5,000 excess

Handback condition

A23 Beira Interior concession company

Grade 3 or better at handback in 2032

Attenuation pond at km 85.7

What it is and how it is wearing

Component condition

Condition history

Who is responsible for it

Inspections, works, defects and notes

Who pays if something goes wrong

Liability by area

Handback

Claims

Nearest assets on A23 Beira Interior

Ask your asset

Ask your asset

Attenuation pond at km 85.7

What it is and how it is wearing

Component condition

Condition history

Who is responsible for it

Inspections, works, defects and notes

Who pays if something goes wrong

Liability by area

Handback

Claims

Nearest assets on A23 Beira Interior

Ask your asset

Ask your asset