{"conditions":[],"costTypeSubtotals":{"Allowances":6600,"Dump fees":55000,"Labor":943400,"Materials":612253},"currency":"USD","date":"2026-10-12","directCostCents":1617253,"explicitStates":{"completenessState":"PROPOSED: frozen draft has 19 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":"roof-replacement-asphalt-24sq/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":2102429},{"grossMargin":0.3333333333333333,"markup":0.5,"sellingPriceCents":2425880},{"grossMargin":0.4444444444444445,"markup":0.8,"sellingPriceCents":2911055}],"modifierInputsVersion":"e88dbfa9","rateInputsVersion":"e88dbfa9","rateObservationWindow":{"end":"2026-10-10","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":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":501600,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":20900,"materialCents":0,"otherCents":0},"costType":"Labor","id":"asphalt-shingle-install-labor","name":"Asphalt Shingle Install Labor","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":24,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from roof squares 24 = 24 square.","net":24,"purchased":24,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":501600,"trade":"Roofing","unit":"square","unitPriceCents":20900},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":0,"materialCents":474600,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":17500,"otherCents":0},"costType":"Materials","id":"asphalt-shingle-materials","name":"Asphalt Shingle Materials","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":27.12,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from roof squares 24, squares include waste false, roof complexity moderate = 27.12 square.","net":27.12,"purchased":27.12,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":474600,"trade":"Roofing","unit":"square","unitPriceCents":17500},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":0,"materialCents":0,"otherCents":55000},"componentRates":{"laborCents":0,"materialCents":0,"otherCents":55000},"costType":"Dump fees","id":"demo-dumpster-rental-week","name":"Dumpster Rental Weekly","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from tearoff layers 1, roof squares 24 = 1 week.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":55000,"trade":"Demo & Prep","unit":"week","unitPriceCents":55000},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":180000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":7500,"materialCents":0,"otherCents":0},"costType":"Labor","id":"demo-roofing-per-layer","name":"Roof Tear-Off Per Layer","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":24,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from roof squares 24, tearoff layers 1 = 24 square.","net":24,"purchased":24,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":180000,"trade":"Roofing","unit":"square","unitPriceCents":7500},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":0,"materialCents":19547,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":95,"otherCents":0},"costType":"Materials","id":"drip-edge-materials","name":"Drip Edge Materials","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":205.76,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from includes drip edge true, roof edge lf 0, roof squares 24 = 205.76 lf.","net":205.76,"purchased":205.76,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":19547,"trade":"Roofing","unit":"lf","unitPriceCents":95},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":16200,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":4500,"materialCents":0,"otherCents":0},"costType":"Labor","id":"ice-water-shield-install-labor","name":"Ice Water Shield Install Labor","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":3.6,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from includes ice water shield true, roof squares 24, ice water shield coverage eaves and valleys = 3.6 sq.","net":3.6,"purchased":3.6,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":16200,"trade":"Roofing","unit":"sq","unitPriceCents":4500},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":0,"materialCents":34200,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":9500,"otherCents":0},"costType":"Materials","id":"ice-water-shield-materials","name":"Ice Water Shield Materials","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":3.6,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from includes ice water shield true, roof squares 24, ice water shield coverage eaves and valleys = 3.6 sq.","net":3.6,"purchased":3.6,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":34200,"trade":"Roofing","unit":"sq","unitPriceCents":9500},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":14000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":14000,"materialCents":0,"otherCents":0},"costType":"Labor","id":"magnetic-nail-sweep-labor","name":"Magnetic Nail Sweep Labor","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from magnetic sweep required true = 1 ea.","net":1,"purchased":1,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":14000,"trade":"Roofing","unit":"ea","unitPriceCents":14000},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":10000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":250,"materialCents":0,"otherCents":0},"costType":"Labor","id":"ridge-vent-install-labor","name":"Ridge Vent Install Labor","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":40,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from ridge vent treatment replace ridge vent, ridge lf 40, roof squares 24 = 40 lf.","net":40,"purchased":40,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":10000,"trade":"Roofing","unit":"lf","unitPriceCents":250},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":0,"materialCents":17000,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":425,"otherCents":0},"costType":"Materials","id":"ridge-vent-materials","name":"Ridge Vent Materials","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":40,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from ridge vent treatment replace ridge vent, ridge lf 40, roof squares 24 = 40 lf.","net":40,"purchased":40,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":17000,"trade":"Roofing","unit":"lf","unitPriceCents":425},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":0,"materialCents":14256,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":135,"otherCents":0},"costType":"Materials","id":"roof-decking-materials","name":"Roof Decking Materials","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":105.6,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from old vents to remove 0, ridge vent treatment replace ridge vent, new deck false; Asphalt Roof Replacement from tearoff layers 1, deck repair allowance sf 96 = 105.6 sf.","net":105.6,"purchased":105.6,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":14256,"trade":"Roofing","unit":"sf","unitPriceCents":135},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":21600,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":225,"materialCents":0,"otherCents":0},"costType":"Labor","id":"roof-decking-replacement-labor","name":"Roof Decking Replacement Labor","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":96,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from tearoff layers 1, deck repair allowance sf 96 = 96 sf.","net":96,"purchased":96,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":21600,"trade":"Carpentry","unit":"sf","unitPriceCents":225},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":64000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":40000,"materialCents":0,"otherCents":0},"costType":"Labor","id":"site-protection-setup-labor","name":"Site Protection Setup Labor","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":1.6,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from site protection true, tearoff layers 1, roof squares 24 = 1.6 day.","net":1.6,"purchased":1.6,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":64000,"trade":"Demo & Prep","unit":"day","unitPriceCents":40000},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":72000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":3000,"materialCents":0,"otherCents":0},"costType":"Labor","id":"synthetic-underlayment-install-labor","name":"Synthetic Underlayment Install Labor","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-10","reference":"Private source","visibility":"private"}],"quantity":24,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from roof squares 24, includes ice water shield true, ice water shield coverage eaves and valleys = 24 square.","net":24,"purchased":24,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":72000,"trade":"Roofing","unit":"square","unitPriceCents":3000},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":0,"materialCents":37800,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":1500,"otherCents":0},"costType":"Materials","id":"synthetic-underlayment-materials","name":"Synthetic Underlayment Materials","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":25.2,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from roof squares 24, includes ice water shield true, ice water shield coverage eaves and valleys = 25.2 square.","net":25.2,"purchased":25.2,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":37800,"trade":"Roofing","unit":"square","unitPriceCents":1500},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":10000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":500,"materialCents":0,"otherCents":0},"costType":"Labor","id":"valley-install-labor","name":"Valley Install Labor","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":20,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from valley lf 20 = 20 lf.","net":20,"purchased":20,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":10000,"trade":"Roofing","unit":"lf","unitPriceCents":500},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":0,"materialCents":14850,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":675,"otherCents":0},"costType":"Materials","id":"valley-materials","name":"Valley Materials","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":22,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from valley lf 20 = 22 lf.","net":22,"purchased":22,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":14850,"trade":"Roofing","unit":"lf","unitPriceCents":675},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":0,"materialCents":6600,"otherCents":0},"componentRates":{"laborCents":0,"materialCents":2200,"otherCents":0},"costType":"Allowances","id":"vent-boot-allowance","name":"Vent Boot Allowance","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":3,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from vent boot replacement true, vent boot count 3 = 3 each.","net":3,"purchased":3,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":6600,"trade":"Roofing","unit":"each","unitPriceCents":2200},{"assembly":{"name":"Asphalt Roof Replacement","version":"e88dbfa9"},"componentExtendedCosts":{"laborCents":54000,"materialCents":0,"otherCents":0},"componentRates":{"laborCents":18000,"materialCents":0,"otherCents":0},"costType":"Labor","id":"vent-boot-replacement-labor","name":"Vent Boot Replacement Labor","provenance":[{"class":"internal-researched","evidenceStatus":"baseline evidence","observationDate":"2026-10-06","reference":"Private source","visibility":"private"}],"quantity":3,"quantityContract":{"deductions":0,"derivation":"Asphalt Roof Replacement from vent boot replacement true, vent boot count 3 = 3 each.","net":3,"purchased":3,"rounding":"Quantity rounded to 0.01 by the published pricer.","waste":0},"totalCents":54000,"trade":"Roofing","unit":"each","unitPriceCents":18000}],"scenario":{"allowanceTreatment":"PROPOSED: shingles, underlayment, drip edge, ice and water shield, ridge vent, valley metal and decking are material rows at baseline prices; the pipe boots are an allowance.","assumptions":["One layer comes off.","Decking replacement stays within 3 sheets.","The roof is walkable at 6/12 and needs no crane.","Shingle squares are measured roof area; waste is added to the material row."],"baselineConditions":"PROPOSED: one-story ranch, simple gable with one valley, 6/12 pitch, one layer of 3-tab shingles, roof reachable from ladders with no crane.","dimensions":[{"label":"Roof area","unit":"squares","value":24},{"label":"Pitch","unit":"in 12","value":6},{"label":"Ridge","unit":"lf","value":40}],"exclusions":["Gutters, fascia and soffit work.","Decking beyond the 3 sheets allowed.","Chimney flashing or a cricket; none on this roof.","Permit fees."],"finishLevel":"Architectural shingles over synthetic underlayment, one layer torn off","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":["Tear-off of existing asphalt shingles and underlayment down to roof deck","Synthetic underlayment installation over entire roof deck","Asphalt shingle installation with manufacturer-specified nailing pattern","Drip edge installation at eaves and rakes","Ice and water shield at eaves and valleys","Ridge cap shingle installation","Pipe boot flashing replacement","Dumpster rental and debris haul-off"],"kind":"Asphalt Roof Replacement","scope":["Tear off one layer of shingles, with a dumpster and site protection","Replace 3 sheets (96 sq ft) of roof decking","Synthetic underlayment, with ice and water shield at the eaves and in the valley","New drip edge, valley metal and 40 feet of ridge vent","Architectural shingles with a starter strip","Three new pipe boots","Magnetic nail sweep at cleanup"]},"schemaVersion":"1.0","tradeSubtotals":{"Carpentry":21600,"Demo & Prep":119000,"Roofing":1476653},"version":"v1"}
