2022 08 EIS SIgned

ENVIRONMENTAL IMPACT STATEMENT For SHI Builders Proposed Residential Subdivision 2 & 10 Ridge Road Block 80.03, Lots 10 & 21 Township of West Orange, Essex County, NJ Prepared by: OD ENGINEERING 1904 Main Street Lake Como, NJ 07719 (732) 974-0198 COPS. Robert P. Freud, PE, PP NJ Professional Engineer License #41938 August 2022 DEC# 4266-99-001

1. PROJECT DESCRIPTION 2. SITE DESCRIPTION AND INVENTORY Fromm ouOo w 5, RECOMMENDATION TO MITIGATE ADVERSE ENVIRONMENTAL IMPACT. suo > OM OZZM AEH OMA DO BD TABLE OF CONTENTS TYPES OF SOIL TOPOGRAPHY GEOLOGY.. VEGETATION SURFACE WATER ....ccsssssssssessessssesessssssssossnesesnsausasensansancassnsassnscucasansaesneeensssssssnssacsscnsssseessseensauessnsanensenes 3 SUBSURFACE WATER SCENIC AND HISTORICAL FEATURES. EXISTING DEVELOPMENT FEATURES SOIL EROSION AND SEDIMENTATION RESULTING FROM SURFACE RUNOFF FLOODING AND FLOODPLAIN DISRUPTION DEGRADATION OF SURFACE WATER QUALITY.....cccccessssessssessseeseessneennneesnesenieenseesncsnneesneesns 4 GROUNDWATER POLLUTION .....csccscsssssesssssesssecsnecesesssneeeneesseecsnecsacenueesueeceneesanessnsessueganeceunessuseessens 5 SEWAGE DISPOSAL SOLID WASTE DISPOSAL DESTRUCTION OF VEGETATION DISRUPTION OF WILDLIFE HABITATS .......cccsssssssssesseresseesrsseenssecssseeacsneaneneseeseeasensnsearsnssenenecaseneneanenee 5 DESTRUCTION OF SCENIC AND HISTORICAL FEATURES ......-sscsssssssssssssneseessnecennneesenneesenses 6 AIR QUALITY DEGRADATION NOISE LEVELS . ENERGY UTILIZATION . NEIGHBORHOOD DETERIORATION EFFECT ON PUBLIC SERVICES TRAFFIC CONGESTION. HEALTH, SAFETY AND WELFARE OF EXISTING RESIDENTS. ......-::sssssssseesssssneeessensnsneeerees 7 REGIONAL DEVELOPMENT POLICIES .......ssssscssssssssssessssessenneessnseessneesesnareacsnsnsesnnnesnnsnerssanersnersss 7 DRAINAGE PLANS.....c:eseeseeeees SEWAGE DISOSAL TECHNIQUES WATER SUPPLY AND WATER CONSERVATION PROPOSALS

F. NOISE REDUCTION TECHNIQUES. ..cssccssssssessssesssnscenssenesnsnsccavscnsecnneceseesanecanessnesnnscenscenseseneesnneessne 8 G. CONSTRUCTION SCHEDULE .........::csssssssssessessessscsnessssnnesnesseenecenceneeaennsnascnnerssenecnssenesneenentecenenansenees 8 H. MISCELLANEUGS ...0..o.eesseessssssssssssesnneananennecsnnecsnsccsnecsnsceneccnneceapecsnecenseqnvessnnsannonsesenasensessnrsenneceneeesey 8 6. ALTERNATIVES 7. LICENSES, PERMITS AND OTHER APPROVALS REQUIRED BY LAW 8. DOCUMENTATION ...0..scssssssssesssesssscsssesvessnsessscsenenssessnecensceansccuseeusassneesnscqamesssersnsscssscessecsnscavecsanecauscennessnasees 9

APPENDIX Aerial Photo Map Township of West Orange Tax Map NJDEP GeoWeb State Planning Area Map NJDEP GeoWeb Historic Properties Map Township of West Orange Zoning Map Air Quality Monitoring Report NRCS Web Soil Survey NJDEP GeoWeb Streams and Water Bodies Map NJDEP GeoWeb Bedrock Geology Map Stormwater Management, Groundwater Recharge and Water Quality Analysis (Dynamic Engineering Consultants, PC) (Included Separately) ALTA/NSPS Land Title Survey (Dynamic Survey, LLC) (Included Separately) Traffic Impact and Parking Assessment (Dynamic Traffic, LLC) (Included Separately) Report of Preliminary Geotechnical and Stormwater Basin Area Investigation (Dynamic Earth, LLC) (Included Separately) (§ 25-13) Environmental Impact Analysis

1. PROJECT DESCRIPTION This report has been prepared in association with a Preliminary and Final Subdivision Application for a proposed residential subdivision on Block 80.03, Lots 10 and 21. It is intended to provide general background information regarding potential adverse physical and environmental impacts, as associated with the proposed subdivision. This report addresses various items, as outlined in § 25-13 of the Township of West Orange Municipal Code. The existing parcel is approximately 12.7 acres and is located on the east side of Ridge Road at the intersection of Mount Pleasant Avenue (County Route 577) which abuts the property to the north and east. The parcel is currently undeveloped and is predominately wooded. It is proposed to subdivide the property into four (4) lots with a single-family residential house to be constructed on each of the proposed lots. The site is located within the R-1 (Residential) Zone where the proposed use is permitted. Associated with the development, are driveways, stormwater management facilities, along with other improvements as shown in the accompanying Subdivision Plan drawings.

2. SITE DESCRIPTION AND INVENTORY A. TYPES OF SOIL Based on the Essex County soils survey information, the soil types native to the site include: CUMBERLAND COUNTY SOIL SURVEY INFORMATION SOIL TYPE HYDROLOGIC SOIL TYPE (NAME) (SYMBOL) SOIL GROUP Urban Land, Boonton Substratum-Boonton complex, 0 to 8 USBONB percent slopes BogCe Boonton loam, 8 to 15 percent slopes, extremely stony Cc HanBe Haledon silt loam, 0 to 8 percent slopes, extremely stony ( Yalesville-Boonton-Holyoke complex, 0 to 8 percent slopes, YaobBe Cc extremely stony Boonton-Urban land, Boonton substratum complex, red BowrB c sandstone lowland, 0 to 8 percent slopes YaohEh Yalesville-Holyoke complex, 35 to 60 percent slopes, very rocky | C B. TOPOGRAPHY Existing site elevations range significantly between approximately 632.0 feet at the western-most portion of the site, sloping down to approximately 510.0 feet at the east corner of the site. The existing topography throughout the subject parcel contains significant topographic change and abuts a rock cliff face to the east. The area of development contains primarily slopes of 0 to 10 percent, however, there are isolated regions reaching over 25 percent slope. The undeveloped areas on the eastern portion of the site reach upwards of 50 percent slope. C. GEOLOGY According to the Report of Preliminary Geotechnical and Stormwater Basin Area Investigation, prepared by Dynamic Earth, LLC, the subject site is located in a region of the Piedmont Physiographic Province of New Jersey known as the Newark Basin. The Newark Basin contains rocks of the Newark Super Group and Brunswick Group which is a stratigraphic series of Triassic to Jurassic age igneous and sedimentary rocks containing intrusive sills and dikes as well as extrusive volcanics. The primary formation beneath the site is known as the Orange Mountain Basalt which 6

includes basalts, greenish-gray to greenish-black, massive, pillow, and columnar jointed structures separated by thick beds of red siltstone or volcaniclastic rocks. The formation beneath the eastern portion of the site is known as the Passaic Formation of the Brunswick Group which includes thin to thick bedded siltstone and sandstone. Mud cracks, ripple marks, crossbeds and burrows are common. The overburden materials include residual soils derived from the underlying bedrock. Surficial geology at the site consists of the Rahway Till (Qwtr). The reported lithology consists of exposed clayey silt and sandy silt deposits and include pebbles and cobbles and few boulders directly desisted from glacial ice. Overburden material also includes reworked on-site soils. D. VEGETATION The subject site is primarily covered with vegetation which including large trees and underbrush. The vegetation on site is typical of a northern New Jersey wooded area, with species native to this area. E. SURFACE WATER As shown in the NJDEP GeoWeb Streams and Water Bodies Map, located in the appendix of this report, there are currently no existing open waters or streams located within the existing parcel. F. SUBSURFACE WATER As outlined in the Geotechnical and Stormwater Basin Area Investigation Report, prepared by Dynamic Earth, LLC, located in the appendix of this report, the seasonal high groundwater was encountered 1.4 feet to 5 feet below the ground surface; corresponding to elevations ranging from 621.3 feet and 612.4 feet. Groundwater was encountered at depths ranging between approximately two feet and 9.6 feet below the ground surface; corresponding to elevations ranging between 621.3 feet and 562.1 feet. G. UNIQUE, SCENIC AND/OR HISTORIC FEATURES As shown in NJDEP GeoWeb Historical Properties Map, located in the appendix of this report, the subject parcel is not a designated historical property and it does not lie within a historical district. To the West of the property beyond Prospect Avenue lies the historical West Orange Sub Station. To the East of the property beyond Route 280 lies the Llewellyn Park Historic District. The property contains many steep slopes along the eastern most side of the property. These slopes will remain undisturbed as a result of this development.

H. EXISTING DEVELOPMENT FEATURES As shown in the ALTA/NSPS Land Title Survey, prepared by Dynamic Survey, LLC, located in the appendix of this report. The subject property contains an existing brick walkway on the northeastern portion. The subject also contains an existing channel and headwall within the same area. Other than the minor aforementioned features, the site is currently undeveloped and forested. 3. AREA AND REGIONAL DESCRIPTION The subject property is bordered to the north by commercial uses, which include the Italian Tribune newspaper publisher as well as the Emmis Communications Corporation, with residential uses beyond. To the east of the subject property lies residential uses with Route 280 Essex Freeway beyond. The subject property is bordered to the West by the Arden Courts and Brookdale West Orange assisted living facilities with a golf course beyond. To the south of the subject property lies residential uses. 4, IMPACT A. SOIL EROSION AND SEDIMENTATION RESULTING FROM SURFACE RUNOFF The impervious area resulting from the proposed development is less than a quarter acre, however will increase surface runoff on the subject property nonetheless. Surface runoff flow rates are controlled via four (4) proposed aboveground bio-retention basins with underdrains and meet the stormwater quantity reduction requirements set forth by the Township of West Orange Land Use Ordinance and NJAC 7:8. Therefore, we do not anticipate soil erosion and/or sedimentation to occur as a result from surface runoff. Additionally, soil erosion and sediment control measures will be in place through the duration of construction as shown in the Subdivision Plan Drawings. B. FLOODING AND FLOODPLAIN DISRUPTION As per FEMA Flood Hazard Area Mapping, the subject property is not located within a flood hazard area. Therefore, no flooding and floodplain disruption is anticipated. C. DEGRADATION OF SURFACE WATER QUALITY The proposed development does not result in an increase of a quarter acre or more of vehicular traveled surface, and therefore as per NJAC 7:8, the proposed development is not subject to the Stormwater Quality requirements. However, the proposed new impervious areas are designed to flow into four (4) new bioretention basins designed with underdrains. These systems are designed in

accordance with the New Jersey Stormwater Best Management Practices Manual in order to achieve a Total Suspended Solids (TSS) removal rate of 80% which meets standards set forth by NJAC 7:8. . GROUNDWATER POLLUTION As stated above the subdivision will be constructed with four (4) new bioretention basins with underdrains. This system has an impermeable liner along the bottom which prohibits water from infiltrating through the bottom. Therefore, the impervious runoff generated by the subdivision will be treated through the proposed bioretention basins in accordance with NJAC 7:8. Therefore the subdivision will have no negative impact on groundwater pollution. SEWAGE DISPOSAL It is proposed to construct an 8-inch sanitary sewer main within Ridge Road extending north to the intersection of Mount Pleasant Avenue and continuing east to connect to the existing sanitary sewer system located within Mount Pleasant Avenue. The proposed residential units will connect to the proposed sewer main with a 4” sanitary lateral. SOLID WASTE DISPOSAL It is anticipated that the solid waste generated from the residential dwellings will be handled by the Township of West Orange Public Works and disposed of properly. DESTRUCTION OF VEGETATION The proposed development on the subject property has an area of disturbance around 155,000 square feet (3.6 acres). Existing vegetation will be removed within this area of disturbance. However, the proposed new impervious area is minor in comparison to the 3.6 acres in total disturbance. The remaining area will be restored with open space and/ or new landscaping. . DISRUPTION OF WILDLIFE HABITATS Of the 12.7-acre property, the proposed development on the subject property has an area of disturbance of only approximately 160,894 square feet (3.7 acres). Therefore, the majority of the property will remain undisturbed and wooded. According to the NIDEP GeoWeb Mapping System, there are no threatened or endangered species located on the subject property. Therefore, no wildlife habitats of threatened or endangered species will be impacted.

I. ra 2 HI Buile DESTRUCTION OF SCENIC AND HISTORIC FEATURES As previously stated, the proposed. development is not located within a historical property, and the limit of disturbance is primarily within a vegetative area that is located outside of the most extreme slopes within the existing parcel. Therefore, the proposed subdivision will not impact of scenic or historical features. AIR QUALITY DEGRADATION Due to the low density of proposed residences associated with the proposed subdivision, there is no anticipated negative impact on air quality for the surrounding area. NOISE LEVELS Due to the low density of proposed residences associated with the proposed subdivision, there is no anticipated negative imapct on noise levels for the surrounding area. ENERGY UTILIZATION The proposed development on the subject property includes four (4) single family residential homes. Typically, newer construction uses energy efficient building materials and appliances, therefore, the energy utilization of the proposed dwellings may be less than typically expected from older homes of the same size. NEIGHBORHOOD DETERIORATION Due to the low density of proposed residences associated with the proposed subdivision, it is not anticipated that the subdivision will result in any neighborhood deterioration. EFFECT ON PUBLIC SERVICES The surrounding infrastructure is expected to have sufficient capacity to handle the proposed development. Due to the low density of proposed residences associated with the subdivision, there is minimal anticipated impact on public services. TRAFFIC CONGESTION Due to the low density of the development, the proposed development on the subject parcel is not expected to result in any traffic impacts for the surrounding area. More information pertaining to traffic impact is detailed within the Traffic Impact and Parking Assessment prepared by Dynamic Traffic, LLC provided within the appendix of this report. 10 99-00 \ugust 2022