LOS ANGELES (CBSLA.com) — Construction workers including Latino immigrants and their supporters Thursday were expected to rally outside the offices of a Los Angeles developer to call on the firm to provide safer conditions to workers.

Local safety advocates claim Vancouver-based Holland Partner Group – which has multiple construction projects in LA County – has previously used a contractor that has been cited by OSHA for numerous violations, including lack of a safety harness for a worker five stories high, according to labor and faith coalition leaders.

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Coalition spokesperson Chloe Osmer of AFL-CIO alleges workers at Millennium Reinforcing are subjected to numerous abuses including poor safety and working conditions, unpaid overtime, and 14-hour days. A number of workers have been on strike in California protesting their working conditions, verbal abuse and mistreatment from the company.

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Advocates want Holland Partner Group – the developer behind a major mixed use development on 6th Street between Lucas Avenue and Bixel Street and other projects in downtown LA – to use “ethical contractors that provide safe conditions to workers”, according to Osmer.

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Nearly 750 Latino workers were killed from work-related injuries in 2012, averaging more than 14 deaths per week or two deaths every single day of the year, according data provided by the coalition.