Menu
The project site is located at 145 President Street, Borough of Brooklyn, City & State of New York and is bounded by a three (3) story building adjacent to the site along President Street and various residential properties in the area.
The proposed development included construction of an approximately 5,000 square foot building. The building consists of a seven (7) story and a five (5) story structure with a partial single level basement.
JZN Engineering provided geotechnical investigation and engineering services to assess the subsurface soils conditions and provided recommendations for Support of Excavation (SOE) design and soil management and earthwork specifications. Design of SOE included a drilled soldier pile and lagging system to retain soil during earthwork operations and provide drainage for infiltrated water on site. In addition, JZN coordinated a vibration monitoring and surveying protocol, and construction quality assurance during the SOE installation and foundation construction.
¨ Subsurface Investigation
¨ Contractor Support
¨ Construction Quality Control/Special Inspection
¨ Support of Excavation Design
¨ Vibration Monitoring
¨ Pre- & Post-Construction Conditions Surveys
The project site is located at 1316-1330 Willow Avenue at the intersection of 14th Street in the City of Hoboken, Hudson County, New Jersey and is bounded by residential properties with the 14th Street Viaduct to the northern perimeter of the site. The proposed development included the construction of an approximately 11,000 square foot, eight-story building with four below-ground parking levels.
JZN Engineering provided geotechnical investigation and engineering services to assess the subsurface soils conditions and provide recommendations for foundation design, Support of Excavation (SOE) design, and soil management and earthwork specifications. SOE design included supporting the adjacent 14th Street Viaduct. JZN provided the design for a permanent below-grade secant pile wall that allowed for the top down construction of the four-story below grade parking levels. In addition, JZN coordinated a vibration monitoring and surveying protocol and provided construction quality assurance during the installation of the secant pile wall and interior drilled pier foundations
¨ Subsurface Investigation
¨ Contractor Support
¨ Construction Quality Control/Special Inspection
¨ Support of Excavation Design
¨ Top Down Construction System Design
¨ Deep Foundation Design
¨ Vibration Monitoring
¨ Pre- & Post-Construction conditions Surveys
The project site is located at 80 North Centre Avenue in the village of Rockville Centre, Nassau County, New York and is bounded by residential properties on the perimeter of the site.
The proposed development included the construction of an approximately 45,000 square foot, four-story above ground parking structure.
JZN Engineering provided geotechnical investigation and engineering services to assess the subsurface soils conditions and provide recommendations for foundation design, and soil management and earthwork specifications. Recommendations included driven piles and structural slabs to provide a effective design of the building. In addition, JZN coordinated a vibration monitoring program and provided construction quality assurance during the installation of the driven piles
¨ Subsurface Investigation
¨ Deep Foundation Design
¨ Contractor Support
¨ Construction Quality Control/Special Inspection
¨ Vibration Monitoring
The project site is located at 1200 Clinton Street in the city of Hoboken, Hudson County, New Jersey and is bounded by residential properties on the perimeter of the site.
The proposed development included the construction of an approximately 65,000 square foot, five-story above parking residential building.
JZN Engineering provided geotechnical investigation and engineering services to assess the subsurface soils conditions and provided recommendations for foundation design, and soil management and earthwork specifications. Recommendations included driven piles to provide a effective design of the building. In addition, JZN provided construction quality assurance during the installation of the driven piles.
¨ Subsurface Investigation
¨ Deep Foundation Design
¨ Contractor Support
¨ Construction Quality Control/Special Inspection
¨ Vibration Monitoring
¨ Pre Construction Conditions Survey
This development included the construction of a six-story mixed-use building with an approximate footprint area of 15,000 square feet. The development consisted of 44 residential units and 1,950 square feet retail space. The project site is bordered by an existing one (1)-story building to the north, Adams Street to the west, 14th Street to the south and a multi-story building to the east.
JZN Engineering provided geotechnical investigation and engineering services to assess the subsurface soil conditions and provide recommendations for foundation design, soil management and earthwork specifications. Recommendations included supporting the proposed building on a deep foundation consisting of H-piles. Additionally, JZN Engineering performed a site specific seismic study in support of the building structural design.
JZN provided construction quality control and assurance during the installation of the deep foundation system. Additionally, JZN planned and conducted a vibration monitoring program to monitor neighboring structures during pile driving activities.
¨ Subsurface Investigation
¨ Deep Foundation Design
¨ Site Specific Seismic Study
¨ Contractor Support
¨ Construction Quality Control/Special Inspection
¨ Vibration Monitoring
The Infinity Edgewater Development is located at 340 Old River Road in the Borough of Edgewater, Bergen County, New Jersey. The property is bordered by a commercial building to the north, Old River Road to the east, a residential building to the south, and a rock cliff to the west. The development occupies an approximate footprint area of 35,900 square feet. The development included the construction of a five-story mixed-use building with a one-story below grade, a paved parking lot for visitors, a playground, and a dog walk area.
JZN conducted a geotechnical investigation to obtain information on subsurface soil, bedrock depths, and groundwater conditions. The field exploration included drilled soil exploration borings and exploration test pits, rock core sampling, and rock mass characterization. JZN provided recommendations for shallow foundations design, earthwork, construction and rock face stabilization.
JZN provided construction quality control during the rock face stabilization program. The stabilization program included the installation of a rock slope mesh system supported by rock anchors along the entire face of the exposed rock slope adjacent to the mixed-use building. The dog walk area was protected with a rockfall barrier system.
¨ Subsurface Investigation
¨ Laboratory Testing of Soils and Rock Core Samples
¨ Rock Face Stabilization
¨ Construction Quality Control/Special Inspection
The proposed residential development included the construction of a five-story waterfront residential building complex with two underground garage floors. . The project site is bordered by Manhasset Bay to the east, BMW of Bayside to the north, East Shore Road to the west and the Great Neck Water Pollution Control District to the south.
JZN Engineering provided geotechnical investigation and engineering services to assess the subsurface soils conditions and provide recommendations for foundation design, soil management and earthwork specifications. Part of the scope of work included the inspection of soil-cement mix columns, placing of geogrid reinforcement, backfill, and compaction. Additionally, JZN observed and recorded a load test for the structural elements of this project.
¨ Subsurface Investigation
¨ Foundation Design
¨ Soil-Mix Design
¨ Backfill Inspection
¨ Load Testing of Structural Elements
The development is located at 197 & 207 Van Vorst Street in the City of Jersey City, Hudson County, New Jersey. The property is bounded by Sussex Street to the north, a football field to the west, Hudson-Bergen Light Rail Tracks to the south, and Van Vorst Street to the east. The development included the construction of two buildings, Quinn and Lenox. Each building consists of 15-stories and occupy foot print areas of approximately 12,000 and 35,000 square feet respectively.
JZN Engineering provided geotechnical investigation and engineering services to assess the subsurface soils conditions and provide recommendations for foundation design, soil management and earthwork specifications. Recommendations included the implementation of a deep foundation system.
JZN provided construction quality control during construction activities which included inspection of the deep foundation elements, pile load test inspection and analysis, and asphalt placement inspection. JZN implemented a vibration monitoring program during pile driving activities. The program was utilized to monitor neighboring structures including the NJ Transit Rail Tacks.
¨ Subsurface Investigation
¨ Foundation Design
¨ SOE Value Engineering And Design Review
The development is located at 127 Hoboken Avenue in the City of Jersey City, Hudson County, New Jersey. The development consists of two six-story buildings that will include apartment units, retail spaces and parking garage spaces.
JZN provided geotechnical investigation services for the south tower to obtain information on subsurface soil and groundwater conditions. The investigation consisted of drilled exploration soil borings and rock core sampling. In addition, JZN conducted a stormwater investigation consisting of soil profile pit explorations to determine soil permeability rates. JZN recommendations included the implementation of a deep foundation system within most of the building footprint are and shallow foundations bearing on rock in locations with shallow rock.
JZN provided construction quality control services that included pile driving inspection, backfill inspection, and a vibration monitoring program conducted during pile driving operations. In addition, JZN performed a preconstruction conditions survey program of all the neighboring buildings.
¨ Subsurface Investigation
¨ Stormwater Investigation
¨ Laboratory Testing of Soils
¨ Preconstruction Conditions Survey
¨ Deep Foundation Design
¨ Shallow Foundation Design
¨ Construction Quality Control/Special Inspection
The development included the construction of an approximately 11,000 square feet, five-story mixed-use development to be located at 1405 Clinton Street in the City of Hoboken, Hudson County, New Jersey. The property is bordered by Clinton Street to the west, a residential building to the north, a commercial development tot the east, and 14th Street to the south.
JZN conducted a geotechnical investigation program to obtain information on subsurface soil and groundwater conditions. The investigation program included drilled soil exploration borings and laboratory testing of representative soil samples. Recommendations included the implementation of a deep foundation system consisting of driven closed-ended steel piles, site preparation and earthwork procedures, and construction considerations.
JZN provided pile dynamic testing during the installation of test piles, and prepared and conducted a vibration monitoring program implemented during construction activities.
¨ Subsurface Investigation
¨ Laboratory Testing of Soils
¨ Construction Quality Control/Special Inspection
¨ Vibration Monitoring
The development will include the construction of a six-story residential building with a cellar level. The development will be located at 153 Green Street, in the Borough of Brooklyn, City and State of New York. The development will include accessory space on the cellar level, residential units between the first level and the sixth level, and private and common rooftop terraces.
JZN conducted a geotechnical investigation program to obtain information on subsurface soil and groundwater conditions. JZN provided design recommendations for a mat foundation in support of the proposed structure, and considerations for the site preparation, earthwork, and construction.
Additionally, JZN provided support of excavation (SOE) services to allow the construction of the bellow grade space. The SOE design included the combination of a micropile and lagging system, underpinning of one of the neighboring buildings, and a series of safe soil slopes.
¨ Subsurface Investigation
¨ Existing Neighboring Foundations Investigation
¨ Foundation Design Recommendations
¨ Support of Excavation and Underpinning Design
The development will include the construction of a four-story residential building with a cellar level and a penthouse. The development will be located at 81 India Street, in the Borough of Brooklyn, City and State of New York. The development will include accessory space and utility rooms on the cellar level, and residential units on the remaining levels.
JZN conducted a geotechnical investigation program to obtain information on subsurface soil and groundwater conditions. JZN provided design recommendations for a range of possible building foundations which included shallow and deep foundations options.
Additionally, JZN performed a test pit investigation to collect information regarding the existing neighboring building foundations to determine if possible underpinning of the neighboring buildings was required. Subsequently, JZN provided support of excavation (SOE) and underpinning design services to allow the construction of the cellar level space. The SOE design included a combination of underpinning and a micropile and lagging system.
¨ Subsurface Investigation
¨ Foundation Design Recommendations
¨ Existing Neighboring Foundations Investigation
¨ Support of Excavation and Underpinning Design
The development will include the construction of a seven-story residential building with two below grade cellar levels. The development will be located at 144-74 Northern Boulevard, in the Borough of Queens, City and State of New York. The site is bordered by Northern Boulevard to the north, mixed-use buildings followed by 147th Street to the east, residential buildings followed by 37th Avenue to the south, and mixed-use building to the west.
JZN Engineering provided support of excavation and underpinning system design services to allow the safe construction of the proposed two below grade cellar levels. Our support of excavation design included the combination of an underpinning system for the neighboring buildings, a braced tangent pile wall system, and a braced soldier pile and lagging wall system. The support of excavation wall systems were designed to retain an excavation of up 26 feet.
¨ Support of Excavation & Underpinning Design
The proposed development will include the construction of a nine-story mixed-use building with an approximate footprint area of over 18,000 square feet. The development will be located at 540 Waverly Avenue in the Borough of Brooklyn, City & State of New York. The development is bordered by Atlantic Avenue with a Long Island Rail Road (LIRR) line running underground to the north, Waverly Avenue to the east, a six-story residential building and a three-story school building to the north, and a one to six-story telecommunications building to the west.
The proposed development will include the construction of a one below grade cellar level within a portion of the building area. In addition, the development will provide a parking garage on the first floor, and multiple residential units ranging from studios to two-bedroom apartments on the remaining floors.
JZN Engineering provided geotechnical investigation and engineering services to assess the subsurface soils conditions and provide recommendations for building foundation design, soil management and earthwork specifications. In addition, JZN Engineering performed an existing utility investigation consisting of test pits in order to obtain information regarding size, location, and depth of the multiple active utilities that run through the northern portion of the site. The investigation was necessary to select a building foundation system that would not damage the existing utilities during construction or over a period of time.
¨ Subsurface Investigation
¨ Existing Utilities Investigation
The proposed development will include the construction of an eight-story building with an approximate footprint area of over 14,500 square feet. The site is located at 212 Wadsworth Avenue in the Borough of Manhattan, City & State of New York. The property is bordered by Wadsworth Avenue to the east, West 184th Street to the north, neighboring multi-story buildings followed by 183rd Street to the south, and neighboring multi-story buildings followed by Broadway to the west.
The proposed development will include the construction of two bellow grade cellar levels. The sub-cellar level will be utilized as a parking garage, the cellar level and the first level will be occupied by a school, and the remaining levels will be occupied by multiple residential units.
JZN Engineering provided geotechnical investigation and engineering services to assess the subsurface soils conditions and provide recommendations for building foundation design, soil management and earthwork specifications. In addition, JZN provided support of excavation (SOE) design services. Our SOE design included the utilization of a braced soldier pile and lagging system along three of the sides of the property. Our SOE system was designed to support a maximum 24 foot excavation.
¨ Subsurface Investigation
¨ Foundation Design Recommendations
¨ Support of Excavation Design
The development will include the construction of an eight-story building with underground parking. The development will feature commercial space on the first floor, and dwelling units on the remaining levels. The site is located at 4452 Broadway in the Borough of Manhattan, City & State of New York. The property is bordered by Fairview Avenue to the north, multi-story buildings to the east and south, and Broadway to the west. In addition, a NYC DOT Subway Pedestrian Tunnel runs along the southern portion of the property. The property slopes down dramatically from east to west.
JZN Engineering provided a supplemental geotechnical investigation to assess the subsurface soils conditions and verify the depth to rock along the eastern portion of the site. In addition, JZN provided design recommendations for caissons to be utilized along the eastern portion of the proposed development.
JZN provided support of excavation (SOE) design services which featured the utilization of a braced micropile and lagging system. The bracing system consisted of walers and rakers with heel blocks and walers with tie-backs. The SOE system was designed to support a maximum 32 foot excavation. In addition, JZN provided pre-construction conditions surveys of the existing neighboring building and is currently retained for support of excavation and foundation installation inspection.
¨ Subsurface Investigation
¨ Support of Excavation Design
¨ Deep Foundation Design Recommendations
¨ Pre-Construction Conditions Survey
¨ Construction Quality Control/Special Inspection
The proposed development includes the construction of an eleven-story building with a cellar level. The site is located at 11 Avenue C in the Borough of Manhattan, City & State of New York. The property is bordered by East 2nd Street to the north, Avenue C to the east, East Houston Street to the south, and a five-story residential building to the west.
JZN Engineering provided geotechnical investigation and engineering services to assess the subsurface soils conditions and provide recommendations for building foundation design, soil management and earthwork specifications. In addition, JZN performed a Site Specific Seismic Study by means of Cone Penetration Tests (CPT). JZN provided support of excavation (SOE) design services to allow the safe construction of the proposed cellar level. The SOE design included a combination of a sheet pile wall systems and a soil mix wall system. The SOE systems were design to support an excavation ranging from 18 feet to 23 feet of. JZN developed a vibration monitoring program that took place during construction activities. Furthermore, JZN provided construction quality control, special inspection services, and vibration monitoring program during the installation and testing of the proposed building deep foundation elements, and proposed SOE.
¨ Subsurface Investigation
¨ Building Foundation Design Recommendations
¨ Site Specific Seismic Study
¨ Support of Excavation Design
¨ Vibration Monitoring Program
¨ Construction Quality Control/Special Inspection
The development will include the construction of a seven-story mixed-use building with a Bulkhead and a cellar level. The development will be located at 215 Livonia Avenue in the Borough of Brooklyn, City and State of New York.
JZN Engineering conducted a geotechnical investigation program to obtain information on subsurface soil and groundwater conditions. The investigation consisted of drilling soil exploration borings and excavating test pits to expose neighboring buildings. JZN provided design recommendations for a conventional shallow footing foundation in support of the proposed building, and considerations for the site preparation, earthwork, and construction.
Additionally, JZN provided support of excavation (SOE) design services to allow for the construction of the below grade space. The SOE design included an H-pile lagging system with rakers and cross-brace support. The SOE design was completed in coordination with the New York City Transit Authority due to the site proximity to an elevated railway.
JZN also provided construction quality control services that included pile support of excavation inspection, and footing subgrade inspection.
¨ Subsurface Investigation
¨ Existing Neighboring Foundations Investigation
¨ Foundation Design Recommendations
¨ Support of Excavation Design
¨ Construction Quality Control/Special Inspection
The development will include the construction of an eight-story mixed-use building with a Bulkhead and a cellar level. The development will be located at 169 Livonia Avenue in the Borough of Brooklyn, City and State of New York.
JZN Engineering conducted a geotechnical investigation program to obtain information on subsurface soil and groundwater conditions. The investigation included drilling of soil exploration borings and test pits against the neighboring buildings. JZN provided design recommendations for a conventional shallow footing foundation in support of the proposed building, and considerations for the site preparation, earthwork, and construction.
Additionally, JZN provided support of excavation (SOE) services to allow for the construction of the below grade space. The SOE design included an H-pile with lagging system. The SOE design was completed in coordination with the New York City Transit Authority due to the site proximity to an elevated railway.
JZN also provided construction quality control services that included SOE inspection, and footing subgrade inspection.
¨ Subsurface Investigation
¨ Existing Neighboring Foundations Investigation
¨ Foundation Design Recommendations
¨ Support of Excavation Design
¨ Construction Quality Control/Special Inspection
The development will include the construction of an eight-story mixed-use building with a Bulkhead and a cellar level. The development will be located at 459 Chester Street in the Borough of Brooklyn, City and State of New York.
JZN Engineering conducted a geotechnical investigation program to obtain information on subsurface soil and groundwater conditions. The investigation consisted of drilling soil exploration borings and excavating test pits against the neighboring buildings. JZN provided design recommendations for a conventional shallow footing foundation in support of the proposed building, and considerations for the site preparation, earthwork, and construction.
Additionally, JZN provided support of excavation (SOE) services to allow for the construction of the below grade space and foundations. The SOE design included a combination of soil slopes and steel soldier piles with lagging.
JZN also provided construction quality control services that included SOE inspection, and footing subgrade inspection.
¨ Subsurface Investigation
¨ Existing Neighboring Foundations Investigation
¨ Foundation Design Recommendations
¨ Support of Excavation Design
¨ Construction Quality Control/Special Inspection
The development will include the construction of a seven-story mixed-use building with one below grade parking level. The development will be located at 3-11 27th Avenue in the Borough of Queens, City and State of New York.
JZN Engineering planned and conducted a geotechnical investigation to assess the subsurface soil conditions and provided recommendations for foundation design, and soil management and earthwork specifications. Recommendations included either over-excavation of unsuitable organic deposits to allow for direct shallow foundation support, or the implementation of a deep foundation system consisting of driven close-ended pipe piles.
JZN Engineering was retained on site to provide construction quality control and special inspection services during the installation of the driven piles. JZN also provided designs for an underslab drainage and waterproofing system.
¨ Subsurface Investigation
¨ Construction Quality Control/Special Inspection
¨ Underslab Drainage/Waterproofing Design
The development will include the construction of a five-story multi-family residential building with one below grade cellar level. The proposed development will be located at 222 North 8th Street in the Borough of Brooklyn, City and State of New York.
JZN Engineering conducted a geotechnical investigation program to obtain information on subsurface soil and groundwater conditions as well as information on existing neighboring foundations. The investigation consisted of drilled soil exploration borings and test pit explorations against the neighboring buildings. Due to the presence of compressible organic soils, JZN provided design recommendations for a deep foundation system consisting of helical piles in support of the proposed building, and considerations for the site preparation, earthwork, and construction.
Additionally, JZN provided support of excavation (SOE) design services to allow for the construction of the below grade space. The SOE design included a combination of a pipe soldier pile and lagging system and a helical pile underpin system beneath the existing neighboring foundation.
¨ Subsurface Investigation
¨ Existing Neighboring Foundations Investigation
¨ Deep Foundation Design Recommendations
¨ Support of Excavation & Underpinning Design
The development will include the construction of a ten-story mixed-use building with an underground stacked parking system. The proposed development will be located at 4901-4905 Bergenline Avenue in the Town of West New York, New Jersey. The site is located directly across 49th Street from the Bergenline Avenue Station. The design of the proposed building includes the reuse of a remnant basement foundation which had been previously underpinned.
JZN Engineering was present on site to provide special inspection services for the proposed shallow footing subgrades, as well as to perform in place density tests of backfill.
JZN was retained to provide support of excavation system design services to retain an existing remnant brick foundation wall along the entire perimeter of the proposed building. Our support of excavation design included a drilled soldier pile and lagging system with tie-backs. We also provided recommendations and design for rock face stabilization due to relatively shallow rock in the area. The support of excavation wall systems were designed to retain an excavation of up to approximately 30 feet.
¨ Support of Excavation
¨ Rock Face Stabilization
¨ Construction Quality Control/Special Inspection
The project will include the construction of a six-story residential building with one below grade cellar level. The proposed development will be located at 217 Franklin Street in the Borough of Brooklyn, City and State of New York.
JZN Engineering conducted a geotechnical investigation program to obtain information on subsurface soil and groundwater conditions as well as information on existing neighboring foundations. The investigation consisted of drilling soil exploration borings and test pit explorations against the neighboring buildings. Due to the presence of unsuitable fill materials, JZN provided design recommendations for a shallow mat foundation bearing on natural soils or a deep foundation system consisting of helical piles in support of the proposed building. Additional recommendation included considerations for the site preparation, earthwork, and construction.
Additionally, JZN provided support of excavation (SOE) design services to allow for the construction of the below grade space. The SOE design included a combination of a pipe soldier pile and lagging system with walers and rakers for support, a sheet pile wall for the elevator pit excavation, and a sequenced construction plan for the mat foundation.
¨ Subsurface Investigation
¨ Existing Neighboring Foundations Investigation
¨ Foundation Design Recommendations
¨ Support of Excavation Design
The proposed development will include the construction of an eight-story mixed-use building with an approximate footprint area of over 14,500 square feet, and an underground parking level. The site is located at 723-733 Myrtle Avenue in the Borough of Brooklyn, City & State of New York.
JZN Engineering planned and conducted a geotechnical investigation to assess the subsurface soil conditions and provide recommendations for building foundation design, soil management and earthwork specifications. The investigation included drilling soil exploration borings within the property. In addition, groundwater monitoring wells were installed following the initial investigation. JZN provided a recommendation for a conventional shallow footing foundation bearing directly on the natural deposits.
JZN Engineering provided support of excavation (SOE) design services to allow for the construction of the below grade space. The SOE design included a combination of a micropile and lagging wall system with walers and rakers for support and an underpinning system to support of the existing neighboring foundations.
¨ Subsurface Investigation
¨ Shallow Foundation Design Recommendations
¨ Groundwater Monitoring
¨ Support of Excavation & Underpinning Design
The project site is located at 100 Hoboken Avenue in the City of Jersey City, New Jersey. The proposed development includes the construction of a five-story mixed-use building. The ground level of the building will be used for parking while the remaining levels will provide residential spaces.
JZN Engineering planned and conducted a geotechnical investigation to assess the subsurface soil conditions and provided recommendations for building foundation design and earthwork. Due to the presence of soft river deposits, JZN recommended that the building be supported on a deep foundation system consisting of steel H-piles driven to refusal on bedrock.
In addition, JZN coordinated a vibration monitoring and pre-construction conditions program, and provided construction quality assurance during the pile driving operations and backfill operations.
¨ Subsurface Investigation
¨ Construction Quality Control/Special Inspection
¨ Vibration Monitoring
¨ Pre- Construction Conditions Surveys
The project site is located at 40 Bennett Road in the City of Englewood, New Jersey. The proposed development includes the construction of a four-story residential building with parking garage and courtyard spaces.
JZN Engineering planned and conducted a geotechnical investigation to assess the subsurface soil conditions and provided recommendations for building foundation design and earthwork. Due to the shallow groundwater conditions and loose soil conditions, JZN recommended the implementation of a deep foundation system. Alternatives for deep foundations included timber piles and open-ended steel pipe piles.
In addition, JZN conducted a pre-construction conditions survey of neighboring buildings, a vibration monitoring program, and construction quality assurance during construction operations. The inspection program included pile installation and pile testing inspection.
¨ Subsurface Investigation
¨ Construction Quality Control/Special Inspection
¨ Vibration Monitoring
¨ Pre- Construction Conditions Surveys
The project will include the construction of two mixed-use structures. The proposed buildings will consist of three and five-story buildings with a below grade cellar level. The proposed development will be located at 199 North 5th Street in the Borough of Brooklyn, City and State of New York.
JZN Engineering conducted a geotechnical investigation program to obtain information on subsurface soil and groundwater conditions as well as information on existing neighboring foundations. JZN provided recommendations for a shallow foundation system consisting of either conventional shallow footings or a mat foundation, and considerations for the site preparation, earthwork, and construction.
Additionally, JZN provided support of excavation (SOE) design services to allow for the construction of the below grade space. The SOE design included
¨ Subsurface Investigation
¨ Foundation Design Recommendations
¨ Support of Excavation Design
The project will include the construction of a six-story residential building with a partial below grade cellar level. The proposed development will be located at 39 High Street in the City of Jersey City, New Jersey.
JZN Engineering conducted a supplemental geotechnical investigation to obtain information on subsurface soil and groundwater conditions. The investigation consisted of a review of a prior geotechnical investigation on the site and the drilling of supplemental exploration borings. Based on subsurface conditions, JZN provided recommendations for a conventional shallow footing foundation system.
Additionally, JZN provided support of excavation (SOE) design services to allow for the construction of the below grade space. The SOE design included a combination of soil slopes and timber posts with lagging supported by timber rakers connected to concrete heel blocks. The SOE was designed to support a maximum excavation of nine feet.
¨ Subsurface Investigation
¨ Foundation Design Recommendations
¨ Support of Excavation Design
The project site is located at 432 East 14th Street in the Borough of Manhattan, City & State of New York. The proposed development included the construction of a seven and eight-story mixed use building between 14th Street and 13th Street. The property limits with a NYC Subway running under 14th Street.
JZN Engineering provided geotechnical investigation and engineering services to evaluate the subsurface soils conditions, groundwater depth, and the existing neighboring foundations in order to provided recommendations for the design of the proposed building foundations, support of excavation (SOE), and related earthwork. JZN provided recommendations for a variety of foundation systems which included a mat foundation system, and deep foundation systems such as driven H-piles, drilled caissons, and drilled mini-piles.
In addition, JZN designed an SOE system to allow for the construction of the proposed building foundations. The SOE system consisted of a braced secant pile wall capable of retaining up to 25 feet of excavation and allowing an extensive dewatering of the site. Additional services included pre-construction conditions surveys of the neighboring buildings, construction quality control and inspection during the installation of the SOE system and proposed building foundations, and vibration monitoring of neighboring buildings and subway structure during construction activities.
¨ Subsurface Investigation
¨ Support of Excavation Design
¨ Pre-Construction Conditions Survey
¨ Construction Quality Control & Vibration Monitoring
The project will included the construction of a 27-story mixed-use building to be located 425 Summit Avenue in the City of Jersey City, New Jersey. The proposed building will include below ground cellar level, retail spaces, and residential units and services.
JZN conducted a geotechnical investigation to obtain information on subsurface soil, rock and groundwater conditions. The data acquired during the investigation was utilized to provide recommendations for the proposed building foundations and related earthwork.
JZN designed the support of excavation (SOE) system to allow the construction of the lower level garage and proposed foundations. The SOE system consisted of lagging with drilled soldier piles filled with grout and socketed into rock.
JZN provided construction phase quality control and inspection services during the construction of the SOE system. In addition, JZN provided vibration monitoring of the neighboring buildings during SOE construction. JZN also conducted geotechnical analysis for a proposed crane pad. In addition, a pre-condition survey of neighboring structures was conducted with a post-condition survey to be completed once the job is complete.
¨ Subsurface Investigation
¨ Support of Excavation Design
¨ Construction Phase Quality Control and Inspection
¨ Vibration Monitoring and Pre and Post-Condition Survey
¨ Geotechnical Analysis for Crane Pad
The project site is located at 244 St. Pauls Avenue (A.k.a. 3060 Kennedy Boulevard) in the City of Jersey City, New Jersey. The proposed development included the construction of a six-story mixed-use commercial and residential building.
JZN Engineering provided geotechnical investigation and engineering services to evaluate the subsurface soils conditions, groundwater depth, and the existing neighboring foundations in order to provided recommendations for the design of the proposed building foundations and related earthwork. JZN provided recommendations for a shallow foundation system.
In addition, JZN designed a waterproofing plan for the footings, foundation walls, and underslab. Additional services included pre-construction conditions surveys of the neighboring buildings, construction quality control, inspection during the installation of the backfill, subgrade inspection for footings bearing on bedrock, and vibration monitoring of neighboring buildings.
¨ Construction Quality Control and Inspection Services
¨ Pre-Construction Conditions Survey
¨ Vibration Monitoring
¨ Waterproofing Design and Inspection
The project site is located at 661 Driggs Avenue in the Borough of Brooklyn, City & State of New York. The proposed development included the construction of a five-story mixed use building.
JZN Engineering provided geotechnical investigation and engineering services to evaluate the subsurface soils conditions, groundwater depth, and the existing neighboring foundations in order to provided recommendations for the design of the proposed building foundations, support of excavation (SOE) and underpinning, and related earthwork. JZN provided recommendations for a variety of foundation systems which included a shallow foundation system.
In addition, JZN provided support of excavation (SOE) design services which featured the utilization of a braced micropile and lagging system. The bracing system consisted of walers and rakers with heel blocks and walers with tie-backs. Additional services included pre and post-construction conditions surveys of the neighboring buildings, construction quality control and special inspection during the installation of the SOE system and proposed building foundations, and vibration monitoring of neighboring buildings.
¨ Subsurface Investigation
¨ Support of Excavation (SOE) and Underpinning Design
¨ Pre and Post-Construction Conditions Survey
¨ Construction Quality Control & Vibration Monitoring
¨ Special Inspection Services
The project site is located at 110 Bergan Turnpike in the Borough of Little Ferry, New Jersey. The proposed development included the construction of a four and six-story mixed-use buildings.
JZN Engineering provided geotechnical investigation and engineering services to evaluate the subsurface soils conditions, groundwater depth and rock. JZN provided recommendations for a variety of foundation systems which included a shallow foundation system with ground improvement and a deep foundation system.
In addition, JZN provided construction phase engineering support as well as construction phase inspection services for driven piles. JZN also provided a subsurface improvement design which included a wick drain design.
¨ Subsurface Investigation
¨ Construction Phase Engineering Support
¨ Subsurface Improvement Design
¨ Construction Phase Inspection Services
The project site is located at 68 Monitor Street in the City of Jersey City, New Jersey. The proposed development included the demolition of existing warehouse buildings and the construction of a six-story mixed-use building.
JZN Engineering provided geotechnical investigation and engineering services to evaluate the subsurface soils conditions, groundwater depth, and the existing neighboring foundations in order to provided recommendations for the design of the proposed building foundations and related earthwork. JZN provided recommendations for a deep foundation system consisting of driven steel piles or drilled micropiles.
In addition, JZN will provide services including pre and post-construction conditions surveys of the neighboring buildings, construction quality control and inspection during the installation of the deep foundation elements, optical monitoring, crack monitoring, on-site monitoring and vibration monitoring of neighboring buildings.
¨ Subsurface Investigation
¨ Construction Quality Control and Inspection Services
¨ Pre-Construction Conditions Survey
¨ Vibration, On-site, Optical, and Crack Monitoring Services
¨ Deep Foundation Design
Our mission is to provide responsive and quality engineering consultant services to our clients, with the objective of developing long-term client relationships. We work diligently to contribute to our clients success by providing an unmatched combination of our technical expertise, practical experience and responsiveness.
Phone : (973) 218-6561
Address: 959 S. Springfield Avenue Suite 100 Springfield, NJ 07081
E-mail : info@jznengineering.com