HSI Services

 Drilling and Blasting  

Tunnel Work

Rock Hammering

Sheet and Pile Driving and Shoring      

All utilities, Gas Main,  Water, Sewer
Vibratory Compaction      

​General Excavation

Highway Construction and Widening                       

Line Drilling                           
​Rock Quarry Work           
Demolition and Rehab Projects 





59 Woodford Road

Scarsdale , New York 10583

86 Weed Ave, Norwalk
8 Green Hill Road, Manchester


44 Stellman Road, Roslindale

58 Warwick Road, Melrose

New York 

131-47 225th Street , Jamaica

76 Whalen Road, Hopewell Junction


44 Kipling LaneAlbrightsville

Rhode Island

140 North Road, ​Pascoag

Washington, D.C.

712 H Street NE, Unit 879

                     HSI ensures our clients are in regulatory compliance and provides the Third Party you need for positive public relations.

HSI Provides Preblast/PreConstruction Surveys, Seismic Monitoring and Construction Monitoring Services in New York, New Jersey, Connecticut, Massachussetes, Virginia,

Maryland, Pennsylvania, and New England.

Pre blast / Construction surveys and vibration monitoring Since 1999       


Welcome to Hartford Structural Inspections (HSI)

HSI was founded in 1999 with the purpose of providing the highest standards and proven scientific practices in Seismology. We provide High Definition Video Pre- Blast/Pre-Construction Inspections and 21st century Seismic/Vibration Monitoring for the Northeast including; New York, New York City, Connecticut, New Jersey, Massachusetts, New Hampshire, Pennsylvania, Virginia, Maryland, Vermont and Delaware. We help and advise all contractors, home and business owners during public or private projects that cause ground vibration. Our clients rely on us to protect and advise them during their drilling and blasting, excavation, site work, sheet and pile driving, construction, or rehabilitation projects.  Our  services also include  post construction surveys, sound monitoring, Optical Settlement Monitoring, Crack Monitoring, and well water testing. Hartford Structural also installs and maintains WIRELESS SEISMOGRAPHS to monitor your job remotely using your computer or smartphone. Are you looking for one firm that can handle all of your Construction Monitoring and Documentation needs for your project? WE ARE THAT FIRM.

Please call or email us using our contact page

Pre Blast Inspections / Surveys
Pre / Post Construction Inspections / Surveys 

Vibration and Sound Monitoring Solutions

Automatic / Wireless Vibration Monitoring

Horizontal and Vertical Settlement (Optical Monitoring)
Sound and Crack Monitoring

Tilt Monitoring

Dust and Air Quality Monitoring

TI - 88 Compliance
Manual Vibration Monitoring
Well Water Testing
Expert Testimony

                         PROJECTS WE SERVE


ph (800) 225.6913   NYC (917) 795.9021