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Marick Mechanical: OSHA inspections and violations

Knoxville, Iowa · Plumbing, Heating, and Air-Conditioning Contractors · NAICS 238220

2inspections
11citation items
$24,831current penalties
Feb 24, 2026last inspection

Marick Mechanical has 2 OSHA inspections on record in Iowa, the first in 2024.

OSHA's last visit started on Feb 24, 2026 after a complaint, in Des Moines, and the case has not closed yet.

Across those inspections OSHA issued 11 citation items: 11 other-than-serious.

OSHA proposed $32,015 in penalties. After settlements and reviews the total is $24,831, down 22%.

Most often, OSHA cited 1910.147, lockout/tagout (3 items).

For context, across all construction employers the median penalty per cited inspection since 2015 is $3,080. Marick Mechanical averages $12,416 over 2 cited inspections in that time.

Marick Mechanical: OSHA citation items per year, 2024 to 2026
Citation items per year, by inspection date.

Iowa · latest 90 days of OSHA records

64employers cited

3 of them in the same industry

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Inspection history

Inspection 348774779 OPENED FEB 24, 2026Open

Complaint · Partial · Safety · 89 employees at the site · Open

138 Jefferson Avenue, Des Moines, IA 50314 · Plumbing, Heating, and Air-Conditioning Contractors · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1a
29 CFR 1910.23(b)(11) · Ladders in general industry
Other-than-serious$7,685$5,380Jul 24, 2026Final
Citation 1, item 1b
29 CFR 1910.23(b)(12) · Ladders in general industry
Other-than-serious$0$0Jul 24, 2026Final
Citation 1, item 1c
29 CFR 1910.30(a)(3) · Training requirements
Other-than-serious$0$0Jul 24, 2026Final
Citation 1, item 2a
29 CFR 1910.147(c)(5)(i) · Lockout/tagout
Other-than-serious$7,685$5,380Jul 24, 2026Final
Citation 1, item 2b
29 CFR 1910.147(c)(7)(i) · Lockout/tagout
Other-than-serious$0$0Jul 24, 2026Final
Citation 1, item 2c
29 CFR 1910.147(c)(7)(iv) · Lockout/tagout
Other-than-serious$0$0Jul 24, 2026Final
Citation 1, item 3a Other-than-serious$7,685$5,380Jul 24, 2026Final
Citation 1, item 3b
29 CFR 1910.335(a)(1)(i) · Safeguards for personnel protection
Other-than-serious$0$0Jul 24, 2026Final
Citation 2, item 1
29 CFR 1904.29(b)(1) · Injury and illness log
Other-than-serious$891$624Jul 24, 2026Final

Inspection 347813594 OPENED OCT 14, 2024Closed

Referral · Partial · Safety · 2 employees at the site · Closed Jan 30, 2025

809 W Rock Island Street, Knoxville, IA 50138 · Plumbing, Heating, and Air-Conditioning Contractors · OSHA's record · Phone and website on Google Maps

Citation and ruleTypeProposedCurrentIssuedStatus
Citation 1, item 1
29 CFR 1910.252(a)(3)(i) · Welding fire safety
Other-than-serious$7,255$7,255Dec 13, 2024Final
Citation 2, item 1
29 CFR 1904.39(a)(2) · Reporting deaths and severe injuries
Other-than-serious$814$814Dec 13, 2024Final

The rules behind these citations

Current text from the Code of Federal Regulations. Some citations were issued under older wording.

29 CFR 1904.29 · Injury and illness log

29 CFR 1904.29(b)(1)

(b) Implementation—(1) What do I need to do to complete the OSHA 300 Log? You must enter information about your business at the top of the OSHA 300 Log, enter a one or two line description for each recordable injury or illness, and summarize this information on the OSHA 300-A at the end of the year.

29 CFR 1904.39 · Reporting deaths and severe injuries

29 CFR 1904.39(a)(2)

(2) Within twenty-four (24) hours after the in-patient hospitalization of one or more employees or an employee's amputation or an employee's loss of an eye, as a result of a work-related incident, you must report the in-patient hospitalization, amputation, or loss of an eye to OSHA.

29 CFR 1910.147 · Lockout/tagout

29 CFR 1910.147(c)(5)(i)

(5) Protective materials and hardware. (i) Locks, tags, chains, wedges, key blocks, adapter pins, self-locking fasteners, or other hardware shall be provided by the employer for isolating, securing or blocking of machines or equipment from energy sources.

29 CFR 1910.23 · Ladders in general industry

29 CFR 1910.252 · Welding fire safety

29 CFR 1910.30 · Training requirements

29 CFR 1910.332 · Training

29 CFR 1910.335 · Safeguards for personnel protection

Other plumbing, heating, and air-conditioning contractors employers in Iowa

Alert subscribers get notified of each newly cited employer in Iowa the morning it is posted. See the alert plans.

Source: U.S. Department of Labor, OSHA enforcement data. A citation is OSHA's allegation; employers can contest it, and the status column shows where each item stands. Something wrong on this page? Tell us.