{"trade":"excavation","week":"2014-W37","weekStart":"2014-09-08","weekEnd":"2014-09-14","fetchedAt":"2026-08-05T20:03:00.773Z","source":{"dataset":"ydr8-5enu","api":"https://data.cityofchicago.org/resource/ydr8-5enu.json","page":"https://data.cityofchicago.org/Buildings/Building-Permits/ydr8-5enu"},"ok":true,"error":null,"truncated":false,"permits":[{"permit":"100559310","permitType":"PERMIT - RENOVATION/ALTERATION","issueDate":"2014-09-08","address":"5107 S BLACKSTONE AVE","workDescription":"INSTALLATION OF CAISSONS ONLY (5 CAISSONS OVER A 207 SQ. FT. AREA) TO SUPPORT 5-STORY STAIR TOWER AT EXISTING 12-STORY APARTMENT BUILDING AS PER PLANS.  PREVIOUS FOUNDATION, STAIR TOWER AND OTHER LIFE SAFETY UPGRADES APPROVED UNDER PERMIT # 100524400.  5107 S BLACKSTONE AVENUE.","reportedCost":170000,"cityRecordUrl":"https://data.cityofchicago.org/resource/ydr8-5enu.json?permit_=100559310"}]}