Area · exact
Assembling intelligence…
Reading listings, research log, and source-health evidence.
BunkerStrategyIntelligence terminalBunkerStrategyIntelligence terminalReading listings, research log, and source-health evidence.
The 1985 inventory records Konstapeln as a rock-cavern population shelter in Karlskrona, with 7,000 m² / 75,347 ft² and 2,860 shelter places.
Area · exact
Start date not established
Completion date not established
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.
Provisional audited central concept screen; expected-risk calibration is pending. It is not yet a risk-adjusted expected cost.
Method, scope and confidence →18 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.
Area · exact · Publisher articleRock in place removed before bulking; the quantity used to price excavation.
The 1985 table's reported shelter area is held fixed as usable area; excavation volume still requires an explicit geometry factor. Archetype cavern-envelope factor is 6.5 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.
The 1985 table's reported shelter area is held fixed as usable area; excavation volume still requires an explicit geometry factor. Archetype cavern-envelope factor is 6.5 design m³ per usable m². Mass uses an… · 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.
No support-area quantity is published · Audited excavation scopeCounts and dimensions of access, transfer, utility and emergency interfaces.
One portal package per 4000 usable m² / 43,056 ft², subject to a 1-package minimum. · Reviewed base modelCast inner structures and linings, kept separate from excavated rock and reinforcement mass.
The 1985 table's reported shelter area is held fixed as usable area; excavation volume still requires an explicit geometry factor. Archetype concrete factor is 0.7 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 is a 15-shelter programme history and 1985 schedule, and the complete mapping links one dossier for every table row. Across all 15 large shelters it reports 63,450 m² / 682,970 ft² and 53,896 places; the units comprise nine rock shelters and six r…
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.
Direct works + owner / design / investigation + legacy concept contingency
Central quantities × current installed-rate screen.
Not yet probability-weighted. The current legacy concept contingency remains separate.
22% applied to the direct-work screen.
Raw model SEK 1.01bn · rounded for Confidence E.
Transitional limitation. SEK 171,399,375 is still a blanket concept contingency, not probability-weighted expected risk. This is why the amount is labelled provisional. The audited population shelter rock WBS remains the central scope ledger.
The row is a named physical facility extracted from a 1985 class table; the table's scopeStatus must not be read as a generic class.
53/100 article-geometry completeness. Detailed source extraction is available in the original-article audit.
Confidence E · geometry completeness 53/100
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.
Hydrogeology, drainage, pumping and moisture control · SEK 27,300,000
Hydrogeology, drainage, pumping and moisture control · SEK 27,300,000
Integrated testing, commissioning and public-safe documentation · SEK 11,900,000
| Change | Scope | Audited base | Quantity / rate basis | Provenance |
|---|---|---|---|---|
| Retained | 01Supported shelter-cavern excavationCivil Rock | SEK 341,250,000 | 45,500 Solid Design m³ × SEK 7,500 / Solid Design m³Derived From Published quantity · Assumption rateThe 1985 table's reported shelter area is held fixed as usable area; excavation volume still requires an explicit geometry factor. Archetype cavern-envelope factor is 6.5 design m³ per usable m². | Existing archive WBS |
| Retained | 02Rock mass handlingMass Handling | SEK 12,057,500 | 120,575 T × SEK 100 / TDerived From Published quantity · Derived rateThe 1985 table's reported shelter area is held fixed as usable area; excavation volume still requires an explicit geometry factor. Archetype cavern-envelope factor is 6.5 design m³ per usable m². Mass uses an assumed Swedish hard-rock density of 2.65 t/m³. | Existing archive WBS |
| Retained | 03Inner concrete and liningsStructural | SEK 34,300,000 | 4,900 m³ × SEK 7,000 / m³Derived From Published quantity · Assumption rateThe 1985 table's reported shelter area is held fixed as usable area; excavation volume still requires an explicit geometry factor. Archetype concrete factor is 0.7 m³ per usable m². | Existing archive WBS |
| Retained | 04Installed reinforcementStructural | SEK 10,290,000 | 294,000 Kg × SEK 35 / KgDerived From Published quantity · Assumption rateThe 1985 table's reported shelter area is held fixed as usable area; excavation volume still requires an explicit geometry factor. Archetype concrete factor is 0.7 m³ per usable m². Archetype reinforcement intensity is 60 kg per concrete m³. | Existing archive WBS |
| Retained | 05Civil-shelter fit-out and MEPBuilding Services | SEK 175,000,000 | 7,000 m² / 75,347 ft² × SEK 25,000 / Usable m²Derived From Published quantity · Assumption rateThe 1985 table's reported shelter area is held fixed as usable area; excavation volume still requires an explicit geometry factor. Fit-out factor is 1 times the reference scale. | Existing archive WBS |
| Retained | 06Protected ventilation and resilienceProtection | SEK 63,000,000 | 3.5 Project × SEK 18,000,000 / ProjectAssumption quantity · Assumption rateOne protection package per 2000 usable m² / 21,528 ft², subject to a 1-package minimum. | Existing archive WBS |
| Retained | 07Shelter portals and utility interfacesSite And Access | SEK 10,500,000 | 1.75 Project × SEK 6,000,000 / ProjectAssumption quantity · Assumption rateOne portal package per 4000 usable m² / 43,056 ft², subject to a 1-package minimum. | Existing archive WBS |
| Added | R045Hydrogeology, drainage, pumping and moisture control | SEK 27,300,000 | 8% of supported-rock scope as a class-screening allowance | Class assumption — site investigation/RFQ required |
| Added | R046Integrated testing, commissioning and public-safe documentation | SEK 11,900,000 | 5% of MEP/protection/mission-system scope | Class assumption — commissioning plan required |
Active base WBS SEK 685,597,500 · 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.
MCF's knowledge-document register establishes civil-shelter system scope but supplies no project prices; all three unit rates are transparent screening assumptions.
Public sources establish specialized tested products but not project prices.
No lifecycle dates were established from the public source.
3 reviewed claims. Evidence locators resolve against the stored article hash or archived snapshot.
| Subject | Claim | Value | Date | Evidence | Certainty |
|---|---|---|---|---|---|
| 1985 shelter inventory | ShelterPlaces | 2,860 places | 1985 | T001.R07 | Exact |
| 1985 shelter inventory | Area | 7,000 m² / 75,347 ft² | 1985 | T001.R07 | Exact |
| 1985 shelter inventory | AreaPerPlaceDerived | 2.448 m² per place / 26 ft² per place | 1985 | T001.R07 | Inferred |
No named project parties were extracted.