{"schemaVersion":"ready-scan.discovery-surface.v1","id":"urn:readyscan:corpus:buyer-question:excel-landscaping-q139719814-answer-2285b77100b19c8e78af","key":"buyer_question:excel-landscaping-q139719814-answer-2285b77100b19c8e78af","kind":"buyer_question","slug":"excel-landscaping-q139719814-answer-2285b77100b19c8e78af","canonicalUrl":"https://readyscan.ai/corpus/buyer-question/excel-landscaping-q139719814-answer-2285b77100b19c8e78af","machineUrl":"https://readyscan.ai/discovery/corpus/buyer-question/excel-landscaping-q139719814-answer-2285b77100b19c8e78af.json","datePublished":"2026-10-22","dateModified":"2026-10-22","materialFingerprint":"fnv1a64:5b2501602d08628a","membershipFingerprint":"fnv1a64:83f160915f2f8158","relatedEntitySlugs":["excel-landscaping-q139719814"],"relatedSurfaceKeys":["buyer_question:excel-landscaping-q139719814-answer-1e759ac132af87e17987","buyer_question:excel-landscaping-q139719814-answer-4c19b3dc1c23b9155221","buyer_question:excel-landscaping-q139719814-answer-5b7604981bb0c72a1ea1","buyer_question:excel-landscaping-q139719814-answer-d6bf5c6043920712ec19","buyer_question:excel-landscaping-q139719814-answer-e10a200ccdd641835685","evidence:excel-landscaping-q139719814","relationship:excel-landscaping-q139719814-products-and-services"],"sourceIds":["ready-scan-subjects"],"provenance":[{"snapshotId":"excel-landscaping-q139719814-content-3f2c16194f9ba534-snapshot","sourceId":"ready-scan-subjects","sourceRecordId":"Q139719814","sourceRevisionId":"Q139719814:content:86cfc4d65329beda","sourceContentHash":"fnv1a64:9fd844ec11220136","recordRevisionId":"Q139719814:content:86cfc4d65329beda","recordContentHash":"fnv1a64:afbb4b6f25a4e0f2","sourceCanonicalUrl":"https://excellandscapingstl.com/","sourceModifiedAt":"2026-10-22T03:23:36.963Z","observedOn":"2026-10-22","permission":{"basis":"public_information","evidenceUrl":"https://excellandscapingstl.com/"},"attributionUrl":"https://excellandscapingstl.com/"}],"quality":{"method":"same_kind_unique_trigram_floor","minimumUniqueTrigramRatio":0.3,"status":"passed"},"title":"Do retaining walls need drainage?","summary":"Cited source answers across 1 active corpus record.","question":"Do retaining walls need drainage?","answers":[{"entitySlug":"excel-landscaping-q139719814","entityName":"Excel Landscaping","answer":"“Yes, proper drainage is one of the most important parts of any retaining wall installation. Without it, water can build up behind the wall, creating pressure that leads to leaning, bulging, cracking, and premature failure.”","sourceUrls":["https://excellandscapingstl.com/retaining-walls/"]}]}