{"conditions":[],"costTypeSubtotals":{"Allowances":205000,"Dump fees":22500,"Labor":332400,"Materials":16560,"Other":107500},"currency":"USD","date":"2026-10-11","directCostCents":683960,"explicitStates":{"completenessState":"PROPOSED: frozen draft has 16 stored lines and no separately assessed tax or contingency.","contingencyTreatment":"PROPOSED: excluded, not assessed.","markupBase":"Direct job cost.","taxTreatment":"PROPOSED: excluded, not assessed."},"exporterVersion":"3","id":"basement-egress-window/v1","labor":{"coverage":"PROPOSED: labor rows cover only stored Labor cost-type lines; Subcontract rows are the subcontractor's all-in price to the contractor.","rateBasis":"Loaded labor rates for a mid-market residential contractor (wages plus employer burden), median U.S. market; supply-and-install coverage as stated per row."},"license":{"policy":"Clamp permits attributed citation, quotation and reproduction of this published example, including commercial editorial use, contractor project estimating, research, search indexing, and retrieval or caching used to produce attributed answers. This permission does not authorize republication of substantially all Clamp-authored snapshot content as a competing commercial cost-reference collection, whether assembled from one or multiple snapshots. Contact Clamp for that permission. These terms apply only to rights Clamp owns or may license. They do not restrict independent facts, independently developed data, fair use or other statutory rights. Third-party material remains subject to its applicable terms. Attribution should identify Clamp, the scenario/version and its canonical URL. Clamp Snapshot Rights Policy 1.0, working draft subject to counsel review.","redistributionClearance":"All published inputs are Clamp’s internal researched baseline (multi-source AI research synthesized by Clamp); no third-party licensed datasets are incorporated.","reference":"Clamp Snapshot Rights Policy 1.0","version":"Clamp Snapshot Rights Policy 1.0"},"licenseReference":"Clamp Snapshot Rights Policy 1.0","licenseVersion":"Clamp Snapshot Rights Policy 1.0","limitations":["Modeled examples are not bids, completed-job records, or national averages.","Rates are researched baselines with stated windows; local quotes vary.","Typical conditions are assumed.","Permit and inspection fees are excluded; requirements vary by jurisdiction."],"markupIllustrations":[{"grossMargin":0.23076923076923075,"markup":0.3,"sellingPriceCents":889148},{"grossMargin":0.3333333333333333,"markup":0.5,"sellingPriceCents":1025940},{"grossMargin":0.4444444444444445,"markup":0.8,"sellingPriceCents":1231128}],"modifierInputsVersion":"3d964be6","rateInputsVersion":"3d964be6","rateObservationWindow":{"end":"2026-10-07","start":"2026-10-06"},"review":{"approvalTimestamp":"","reviewDate":"","reviewer":"Emmanuel Forge","scope":"PROPOSED: scope selection, arithmetic, and provenance mapping; not independent market-rate verification"},"rows":[{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":0,"materialCents":0,"otherCents":52500},"componentRates":{"laborCents":0,"materialCents":0,"otherCents":52500},"costType":"Other","id":"concrete-wall-saw-rental","name":"Concrete Wall Saw Rental","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from new opening true, window count 1 = 1 day.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":52500,"trade":"Sitework","unit":"day","unitPriceCents":52500},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":0,"materialCents":0,"otherCents":22500},"componentRates":{"laborCents":0,"materialCents":0,"otherCents":22500},"costType":"Dump fees","id":"demo-haul-off-load","name":"Haul-Off Per Load","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from window count 1 = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":22500,"trade":"Demo & Prep","unit":"ea","unitPriceCents":22500},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":0,"materialCents":1200,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":75,"otherCents":0},"costType":"Materials","id":"drywall-sheets-materials","name":"Drywall Sheets Materials","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":16,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from interior trim true, window count 1 = 16 sf.","net":16,"purchased":16,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":1200,"trade":"Drywall","unit":"sf","unitPriceCents":75},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":24500,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":24500,"materialCents":0,"otherCents":0},"costType":"Labor","id":"egress-interior-return-trim","name":"Egress Window Interior Return (per window)","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from interior trim true, window count 1 = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":24500,"trade":"Carpentry","unit":"ea","unitPriceCents":24500},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":110000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":110000,"materialCents":0,"otherCents":0},"costType":"Labor","id":"egress-opening-cut-labor","name":"Egress Window Opening Cut (per opening)","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from window count 1 = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":110000,"trade":"Carpentry","unit":"ea","unitPriceCents":110000},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":65000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":65000,"materialCents":0,"otherCents":0},"costType":"Labor","id":"egress-window-install-labor","name":"Egress Window Install (per window)","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from window count 1 = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":65000,"trade":"Carpentry","unit":"ea","unitPriceCents":65000},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":0,"materialCents":85000,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":85000,"otherCents":0},"costType":"Allowances","id":"egress-window-unit-allowance","name":"Egress Window Unit (per window)","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from window count 1 = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":85000,"trade":"Carpentry","unit":"ea","unitPriceCents":85000},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":0,"materialCents":0,"otherCents":55000},"componentRates":{"laborCents":0,"materialCents":0,"otherCents":55000},"costType":"Other","id":"excavation-equipment-rental","name":"Excavation Equipment Rental","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from window count 1 = 1 day.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":55000,"trade":"Sitework","unit":"day","unitPriceCents":55000},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":10400,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":2600,"materialCents":0,"otherCents":0},"costType":"Labor","id":"excavation-labor","name":"Excavation Labor","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":4,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from window count 1 = 4 cubic_yard.","net":4,"purchased":4,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":10400,"trade":"Sitework","unit":"cubic_yard","unitPriceCents":2600},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":30000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":30000,"materialCents":0,"otherCents":0},"costType":"Labor","id":"site-protection-room-labor","name":"Site Protection, One Room (per job)","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":30000,"trade":"Demo & Prep","unit":"ea","unitPriceCents":30000},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":0,"materialCents":3360,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":210,"otherCents":0},"costType":"Materials","id":"trim-materials-paint-grade","name":"Trim Materials","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":16,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from interior trim true, window count 1 = 16 lf.","net":16,"purchased":16,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":3360,"trade":"Carpentry","unit":"lf","unitPriceCents":210},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":0,"materialCents":35000,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":35000,"otherCents":0},"costType":"Allowances","id":"window-well-cover-allowance","name":"Window Well Cover (per well)","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from includes cover true, window count 1 = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":35000,"trade":"Carpentry","unit":"ea","unitPriceCents":35000},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":42500,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":42500,"materialCents":0,"otherCents":0},"costType":"Labor","id":"window-well-drain-tie-labor","name":"Window Well Drain Tie-In (per well)","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-07","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from well drain footing tile, window count 1 = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":42500,"trade":"Plumbing","unit":"ea","unitPriceCents":42500},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":0,"materialCents":12000,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":12000,"otherCents":0},"costType":"Materials","id":"window-well-gravel-materials","name":"Window Well Drain Gravel (per well)","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-07","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from well drain footing tile, window count 1 = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":12000,"trade":"Plumbing","unit":"ea","unitPriceCents":12000},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":50000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":50000,"materialCents":0,"otherCents":0},"costType":"Labor","id":"window-well-install-labor","name":"Window Well Install (per well)","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from window count 1 = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":50000,"trade":"Carpentry","unit":"ea","unitPriceCents":50000},{"assembly":{"name":"Basement Egress Window","version":"3d964be6"},"componentExtendedCosts":{"laborCents":0,"materialCents":85000,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":85000,"otherCents":0},"costType":"Allowances","id":"window-well-unit-allowance","name":"Window Well (per well)","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Basement Egress Window from window count 1 = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":85000,"trade":"Carpentry","unit":"ea","unitPriceCents":85000}],"scenario":{"allowanceTreatment":"PROPOSED: the window and well units are allowances at their baseline amount; the selections set the final cost.","assumptions":["The wall is poured concrete in good condition, free of utilities at the cut.","Excavated soil is reused as backfill around the well; spoils beyond that go in the haul-off.","Existing drainage can take the well's drain."],"baselineConditions":"PROPOSED: unfinished basement, poured concrete wall; the bottom of the opening is about 4 feet below grade.","dimensions":[{"label":"Depth below grade","unit":"ft","value":4},{"label":"Openings","unit":"count","value":1}],"exclusions":["Bedroom finish work beyond the window and its return.","A new footing drain; the well drain ties to existing drainage.","Shoring or underpinning; the cut is a standard window opening.","Permit fees."],"finishLevel":"Code-size egress window cut into a poured wall, with a well, ladder and cover","geographicBasis":"Clamp researched baseline rates, reconciled across three AI systems against a stated mid-market scenario; no specific locality and no measured market median","geography":"No specific locality is selected, and no statistically measured market median is claimed","inclusions":["Opening, window, well, cover, trim, permit"],"kind":"Basement Egress Window","scope":["Protect the room, excavate about 4 cubic yards at the wall and saw-cut the opening in the poured concrete","Set a code-size egress window in a framed opening","Set the window well with a ladder and a clear cover","Gravel at the base of the well, tied into drainage","Insulated and trimmed interior return, drywall patch at the opening","Haul-off"]},"schemaVersion":"1.0","tradeSubtotals":{"Carpentry":457860,"Demo & Prep":52500,"Drywall":1200,"Plumbing":54500,"Sitework":117900},"version":"v1"}