Geotech Report 04 19 2021

SOR CONSULTING ENGINEERS, INC. Geotechnical Engineering - Materials Testing - Forensic Studies 98 Sand Park Rd., Cedar Grove, NJ 07009 (973) 239-6001 Fax (973) 239-8380 www.soriabs.com Kamil Sor, Ph.D. Orhun Sor, P.E. Atilla Sencar, P.E. April 19, 2021 Job No. 21-C-01 Report No. 21-C-12 Garden Homes 820 Morris Turnpike, Suite 301 Short Hills, NJ 07078 Attention: Mark Hoffman E-Mail: MarkH@gardenhomes.com Re: Geotechnical Investigation Report Proposed Residential Development West Orange, New Jersey INTRODUCTION Sor Consulting Engineers, Inc. (SCE) is pleased to present the results of a subsurface investigation performed for a proposed residential development to be constructed at a West Essex Highlands site in West Orange, New Jersey. The subject site is identified as Lot 32, Block 179 on the municipal tax maps. Based on concept plan dated February 10, 2021, the proposed development will reportedly include the construction of four large apartment complexes, recreation building and pool, maintenance building, pump station, dog park, access roads, parking and stormwater management facilities. The apartment complexes will be 4-stories in height and will contain a one-story parking under the buildings. The total structures will cover a combined footprint area of approximately 200,000 square feet. AVAILABLE SITE DATA A feasibility geotechnical investigation was prepared by our office on June 30, 2004. A total of 25 test pits were performed for this study. The test pits revealed that the subject site is mantled by a 6 to 18 inches thick layer of topsoil/vegetation. Natural residual soils consisting of sandy silt to clayey silt were encountered beneath the topsoil. Silty gravelly sand with cobbles/boulders were encountered beneath sandy