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UTS Job 23418 Report 55 Soil Inspection Report 09-19-2019 Page 1 5 Richardson Lane, Stoneham, MA 02180 781-438-7755 (Voice) 781-438-6216 (Fax) Report Date 09-19-2019Soil Inspection Report Report No.55 Distribution Copy Job Number 23418 Project Halstead Salem Station, 72 Flint Street Salem, MA Contractor Fulcrum Associates WEATHER:Partly cloudy 60-70° TIME:7:00 AM CONTACT:Bob Levesque of Fulcrum Associates PURPOSE:Observe earthwork construction EQUIPMENT:Deere 450C, 380G, 75G & 992E Excavator, Wacker DPU 6555 & 200Lb. Plate Compactors, CAT 980 & 950 Loaders & IR Pro Pac 110 Series 10 ton Drum Roller TEST METHOD:Sand Cone Nuclear Densometer TITLE:Inspector Staff Engineer EngineerX OBSERVATIONS: This report follows a site visit to observe/test the earthwork for: Footing trench excavation. Exterior foundation backfilling was performed @ the west side of proposed building 2. The backfill material used is either onsite generated common fill or onsite processed structural fill. The first 2' thick lift of material used is onsite generated common fill consisting of F-C gravel and sand, little silt. The structural fill was used as the second lift (12" thick). It was discussed with the general and site contractor that structural fill is specified for unbalanced foundation wall backfill and onsite material does not meet the gradation requirements. Furthermore, the onsite material has an approximate organic content of 11% and should be amended to meet common fill requirements. Each lift was compacted utilizing the wacker plate compactor exhibiting stable/firm conditions. Drainage utilities were installed @ the North side of proposed building 1. CB1 and CB3 were installed. The structures were set atop a base of ¾" crushed stone. The structures were backfilled using the same onsite common fill generated during excavation generally consisting of F - C sand and gravel, little silt with ash, slag wood brick metal Etc. approximately 18" thick lifts were placed and graded. Each lift was compacted utilizing the wacker ½ ton plate compactor exhibiting stable/firm conditions. Pavement sub grading continued @ the west side of building 2. Minor cuts were made to the south half of the lot and pushed to landscape areas @ the north. The material is onsite urban fill generally consisting of F - C sand and gravel, little silt with slag, ash, wood brick, metal Etc. Work in this area remained incomplete on this date. Page 2 5 Richardson Lane, Stoneham, MA 02180 781-438-7755 (Voice) 781-438-6216 (Fax) Report Date 09-19-2019Soil Inspection Report Report No.55 Distribution Copy Job Number 23418 Project Halstead Salem Station, 72 Flint Street Salem, MA Contractor Fulcrum Associates Installation of a hydrant was performed @ the SSW side of building 2. The 6" diameter CLDI piping was installed and connected to the previously installed tee with all the appropriate parts and fittings. The hydrant was installed and the piping was bedded in clean imported sand. A boulder was used as a thrust block. The trench was backfilled using the same material generated during excavation generally consisting of F - C gravel and sand trace silt. 12 - 18" thick lifts were placed and graded. Each lift was compacted utilizing the heavy Wacker plate compactor exhibiting stable/firm conditions. Installation of light pole bases continued on the project. The precast bases were set and backfilled on this date. Water main tapping was performed @ the Mason street entrance. Minimal intermittent inspection was performed within this area on this date. Inspector Premium Travel Name Time Hours Time M. Chace No 8.00 1 Hr(s) REVIEWED BY: Chuck Fraser Our reports are available in PDF form via email. Please email us at reports@utsofmass.com for more information. cc:Fulcrum Associates Bob Levesque Fulcrum Associates Brad Scott Fulcrum Associates Darrin Standish DMS Design Sid Silveira DMS Design Dan Skolski City of Salem Steve Cummings Veitas & Veitas Linas Dabrila DSF Group Paul Bowie DSF Group Benjamin Greene Fulcrum Group Patricia Dwyer UTS Matt Chace DSF Flint Salem LLC Dimitri Kourtis UTS of Massachusetts, Inc. Page 3 5 Richardson Lane, Stoneham, MA 02180 781-438-7755 (Voice) 781-438-6216 (Fax) Report Date 09-19-2019 Report No.55 Job Number 23418 Project Halstead Salem Station, 72 Flint Street Salem, MAAttachment