No standardized area published
Assembling intelligence…
Reading listings, research log, and source-health evidence.
BunkerStrategyIntelligence terminalBunkerStrategyIntelligence terminalReading listings, research log, and source-health evidence.
Late-Cold-War municipal command centre beneath a new civic building, finally inspected in 1989 and completed in the early 1990s.
No standardized area published
Start date not established
Published date and precision preserved
Unit-attributed from its source article
Functional recreation of the documented facility in Sweden using current construction methods and 2026 prices, preserving the documented capacity, protection, autonomy and redundancy. Ex VAT; excluding land, financing, remediation, classified mission equipment and data-centre hardware.
The active screen combines alternative rock-cavern and buried-concrete branches; resolve morphology probabilities before publishing a point estimate.
Method, scope and confidence →16 photographs sourced from the original article, with captions where available.
Published, calculated and proxy dimensions are deliberately separated. Missing evidence stays visible instead of becoming zero.
Rock in place removed before bulking; the excavation-pricing quantity.
Internal airspace; not the amount of rock removed.
Blasted material after bulking; the haul and disposal quantity.
These cubic metres are not interchangeable.
Usable, floor or footprint area; the label is preserved because these are not always interchangeable.
No usable quantity in the reviewed source · Evidence gapRock in place removed before bulking; the quantity used to price excavation.
Proxy for a late-Cold-War municipal command centre beneath a civic building. Archetype cavern-envelope factor is 3 design m³ per usable m². · Prior model input reviewed by auditInternal air or chamber volume. It is not solid excavation without overbreak, access and support geometry.
No usable quantity in the reviewed source · Evidence gapBlasted material after bulking, or its handled mass. No swollen cubic metres are inferred when only tonnes are modelled.
Proxy for a late-Cold-War municipal command centre beneath a civic building. Archetype cavern-envelope factor is 3 design m³ per usable m². Mass uses an assumed Swedish hard-rock density of 2.65 t/m³. · Reviewed mass-handling modelLength alone is insufficient; a costable tunnel also needs width, height or cross-sectional area.
No usable quantity in the reviewed source · Evidence gapPublished chamber or arch geometry used to test volume and support assumptions.
No usable quantity in the reviewed source · Evidence gapRock surface requiring bolts, mesh or shotcrete, preferably measured in square metres.
Rock-support surface does not apply to this audited morphology. · Audited morphologyCounts and dimensions of access, transfer, utility and emergency interfaces.
Archetype portal/escape count. · Reviewed base modelCast inner structures and linings, kept separate from excavated rock and reinforcement mass.
Proxy for a late-Cold-War municipal command centre beneath a civic building. Archetype concrete factor is 1.8 m³ per usable m². · Reviewed base modelGroundwater, inflow, drainage, pumping and moisture-control evidence affecting construction and operation.
No usable quantity in the reviewed source · Evidence gapThe headline answers the current replacement question. Historic cost, CPI and construction-index comparisons remain separate because they answer different questions.
Different specifications receive different estimates; they are not used as the upper and lower limits of one answer.
Preserves documented capacity, protection, autonomy and redundancy using current construction methods.
Requires a modern structural, fire, protection and supplier performance brief.
Requires IT load, cooling topology, grid capacity, redundancy and autonomy. Server hardware is excluded.
No representative facility construction cost selected
General purchasing-power comparison—not a construction quote
Broad BKI proxy—not a bunker-specific rebuild price
Scope lock. Functional recreation of the documented facility in Sweden using current construction methods and 2026 prices, preserving the documented capacity, protection, autonomy and redundancy. Ex VAT; excluding land, financing, remediation, classified mission equipment and data-centre hardware. The article supports one late-Cold-War municipal command centre planned from 1986, finally inspected in 1989 and completed under a new/expanded municipal building in the early 1990s. It gives no area, construction morphology, shell, rock, systems, capacity or…
Audit revision sweden-replacement-audit-2026.08.15. The central WBS below incorporates the 61-article review. The former deterministic low/base/high cases remain available only as sensitivities and revision history.
Point estimate withheld · audited seed retained only for revision history
Central quantities × current installed-rate screen.
Not yet probability-weighted. The current legacy concept contingency remains separate.
22% applied to the direct-work screen.
A scope conflict prevents a defensible point estimate.
Built below a municipal building; area, systems and protection are largely unpublished.
4/100 article-geometry completeness. Detailed source extraction is available in the original-article audit.
Confidence E · geometry completeness 4/100
Largest active lines in the audited central component schedule.
The workbook publishes one revised central schedule. Its prior low and high stress cases are retained only under sensitivities; no line-level probability distributions are implied.
Excavation, temporary works, waterproofing and backfill · SEK 756,000
Drainage, sumps and moisture control · SEK 252,000
Integrated testing, commissioning and public-safe documentation · SEK 1,625,000
| Change | Scope | Audited base | Quantity / rate basis | Provenance |
|---|---|---|---|---|
| Retained | 01Conditional rock excavation and supportCivil Rock | SEK 11,250,000 | 1,500 Solid Design m³ × SEK 7,500 / Solid Design m³Class Proxy quantity · Assumption rateProxy for a late-Cold-War municipal command centre beneath a civic building. Archetype cavern-envelope factor is 3 design m³ per usable m². | Existing archive WBS |
| Retained | 02Conditional rock mass handlingMass Handling | SEK 397,500 | 3,975 T × SEK 100 / TClass Proxy quantity · Derived rateProxy for a late-Cold-War municipal command centre beneath a civic building. Archetype cavern-envelope factor is 3 design m³ per usable m². Mass uses an assumed Swedish hard-rock density of 2.65 t/m³. | Existing archive WBS |
| Retained | 03Reinforced-concrete protected structureStructural | SEK 6,300,000 | 900 m³ × SEK 7,000 / m³Class Proxy quantity · Assumption rateProxy for a late-Cold-War municipal command centre beneath a civic building. Archetype concrete factor is 1.8 m³ per usable m². | Existing archive WBS |
| Retained | 04Installed reinforcementStructural | SEK 2,677,500 | 76,500 Kg × SEK 35 / KgClass Proxy quantity · Assumption rateProxy for a late-Cold-War municipal command centre beneath a civic building. Archetype concrete factor is 1.8 m³ per usable m². Archetype reinforcement intensity is 85 kg per concrete m³. | Existing archive WBS |
| Retained | 05Interior construction and conventional MEPBuilding Services | SEK 22,500,000 | 500 m² / 5,382 ft² × SEK 45,000 / Usable m²Class Proxy quantity · Assumption rateProxy for a late-Cold-War municipal command centre beneath a civic building. Fit-out factor is 1 times the reference scale. | Existing archive WBS |
| Retained | 06Protection and resilient systemsProtection | SEK 10,000,000 | 0.56 Project × SEK 18,000,000 / ProjectAssumption quantity · Assumption rateOne protection package per 900 usable m² / 9,688 ft², subject to a 0.5-package minimum. | Existing archive WBS |
| Retained | 07Access, escape and utilitiesSite And Access | SEK 6,000,000 | 1 Project × SEK 6,000,000 / ProjectAssumption quantity · Assumption rateArchetype portal/escape count. | Existing archive WBS |
| Added | R463Excavation, temporary works, waterproofing and backfill | SEK 756,000 | 12% of structural scope as a buried-class screen | Class assumption — earthworks take-off required |
| Added | R464Drainage, sumps and moisture control | SEK 252,000 | 4% of structural scope as a buried-class screen | Class assumption — site investigation/RFQ required |
| Added | R465Integrated testing, commissioning and public-safe documentation | SEK 1,625,000 | 5% of MEP/protection/mission-system scope | Class assumption — commissioning plan required |
Active base WBS SEK 61,758,000 · owner/design and contingency are added in the scenario cards above · 12 removed rows across the archive remain visible as change history.
The three inputs most likely to move the current screen.
These deterministic stress cases simultaneously vary quantities, rates, scope allowances and contingency. They are not confidence intervals and no longer serve as the headline answer.
Links support a rate, scope boundary or method. Context-only sources are not represented as quotations.
Gryaab February-2024 long-tunnel benchmark: SEK 5,513/design m³ for excavation plus support. Low case is lightly currentized; base/high add small, constrained, non-repetitive bunker uncertainty.
Gryaab February-2024 long-tunnel benchmark: SEK 5,513/design m³ for excavation plus support. Low case is lightly currentized; base/high add small, constrained, non-repetitive bunker uncertainty.
Skanska's Ostlanken order value is SEK 240m for handling 2.0m tonnes of rock and 0.4m tonnes of soil, excluding options. The base is the observed blended benchmark; bounds are assumptions.
Public ready-mix material check only; installed underground rates require RFQ.
Public retail material check only; cutting, bending, fixing, waste and underground logistics require RFQ.
Ordinary critical-facility sanity check, not protected-bunker equivalence.
Public sources establish specialized tested products but not project prices.
Replacement municipal civil-defence command centre beneath a new municipal-building extension.
County administration requested the fire station act as temporary command post while a replacement was planned.
B005New command centre finally inspected.
B010Completed with the municipal building above.
B010Used as an education/training room, not for civil-defence activity.
B010Publisher-reported features, not a current engineering inspection or certification.
Built below a new municipal building; no detailed technical system inventory is published.
B003 · B010No source-backed entries.
5 reviewed claims. Evidence locators resolve against the stored article hash or archived snapshot.
| Subject | Claim | Value | Date | Evidence | Certainty |
|---|---|---|---|---|---|
| milestone | Event | County administration requested the fire station act as temporary command post while a replacement was planned. | 1986 | B005 | Reported |
| milestone | Event | New command centre finally inspected. | 1989 | B010 | Reported |
| milestone | Event | Completed with the municipal building above. | early 1990s | B010 | Reported |
| lifecycle summary | Event | Used as an education/training room, not for civil-defence activity. | article date | B010 | Reported |
| technical system | Co Location | Built below a new municipal building; no detailed technical system inventory is published. | — | B003,B010 | Reported |