Pre-Construction Inspections / Surveys
Pre-Blast Inspections / Surveys 

All DOB Monitoring and Inspections

Vibration and Sound Monitoring Solutions

Automatic / Wireless Vibration Monitoring

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

Tilt Monitoring

Dust Monitoring

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

HSI Services

New Construction

Demolition / Renovation Projects                

Drilling and Blasting  

Demolition/Renovation Projects

Foundation Excavation and Construction

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           

Certified M/WBE / DBE Business

Construction Monitoring Services

                         PROJECTS WE SERVE


ph (800) 225.6913   NYC (917) 795.9021





59 Woodford Road

Scarsdale , New York 10583

New York City

315 S. 4th Street, #2

Brooklyn, 11211

86 Weed Ave, Norwalk
8 Green Hill Road, Manchester


1 Michaels Green, Woburn

New York 

131-47 225th Street , Jamaica

76 Whalen Road, Hopewell Junction


44 Kipling LaneAlbrightsville

Rhode Island

9 Lyndhurst Ave, Providence

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/Vibration Monitoring and Construction Monitoring Services in New York, New York City, New Jersey, Connecticut, Massachusetts, Vermont, Virginia, Maryland, Pennsylvania, and New England.

Pre blast / PRE 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 and Construction Monitoring. We provide High Definition Video Pre- Blast/Pre-Construction Inspectionsand 21st century Vibration Monitoring for the Northeast including; New York, New York City, Connecticut, New Jersey, Massachusetts, New Hampshire, Pennsylvania, Virginia, Maryland, Vermont, Delaware and now Washington D.C. and North Carolina. 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, Vibration Monitoring, 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.