TTL Geotechnical Engineers Investigating ODOT Slope Failure

In mid-November, ODOT District 2 crews noticed the pavement was cracked in the shoulder of westbound State Route 269 exit 125, just north of the Sandusky Bay Bridge, between Sandusky and Port Clinton, Ohio. After ODOT engineers measured an inch difference in pavement heights, the shoulder and exit ramp were inspected and closed. The pavement […]

NEW Silica Exposure Rules now in effect

Exposure Assessment The new OSHA respirable crystalline silica rule states that workers cannot inhale greater than 50 micrograms per cubic meter of air (50 ug/m3). This refers to dust particles that are small enough to be inhaled and accumulate in the respiratory system. Workplaces need to know what their employees’ exposure levels are to understand […]

TTL’s Widespread Involvement in I-75 Reconstruction Project: 2016 – current

Over the past two years, TTL has been providing Construction Materials Testing and engineering services for a variety of clients and locations along Interstate 75 in Michigan and Ohio.  Services provided include: Concrete mix designs Concrete testing including air content, slump, unit weight, and density Aggregate sampling and gradation testing including moisture content and sieve […]

Shuman Majumder coordinates multiple development / environmental services

The Thomas M. Wernert Center is a mental health recovery and support center named in honor of Tom Wernert, who was the executive director of the Lucas County Mental Health Board for 30 years until he passed away in 1999.  The 12,500-square-foot expansion of the Center will feature a hydroponic garden, a greenhouse, a fountain, […]

Experienced Drillers & Helpers Needed

TTL Associates has an immediate opening for an experienced Drill Rig Operator in geotechnical and environmental drilling including hollow stem auger drilling, mud-rotary drilling, rock coring, and monitoring well installation. Experience with Central Mine Equipment Company (CME) drills, (both ATV and truck mounted). The ideal candidate would have the ability to perform routine maintenance, minor […]