| Industry Name |
Water and Sewer Line and Related Structures Construction |
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| Comments |
Polyurethane foams have been used to encapsulate joints in underground snatural gas mains--potential for exposure to isocyanates, e.g., MDI; |
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| Description |
This industry comprises establishments primarily engaged in the construction of water and sewer lines, mains, pumping stations, treatment plants and storage tanks. The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this group if they are engaged in activities primarily related to water and sewer line and related structures construction. All structures (including buildings) that are integral parts of water and sewer networks (e.g., storage tanks, pumping stations, water treatment plants, and sewage treatment plants) are included in this industry. |
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| Category |
Construction |
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| NAICS Code |
237110 |
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| Related Information in Haz-Map |
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| Job Tasks |
High risk job tasks associated with this industry:
- Apply arsenic preservatives to wood
- Blast, drill, remove, or crush rock, concrete or brick
- Braze using cadmium-based solder
- Gas or arc weld on galvanized metal
- Heat or machine manganese alloys
- Heat, machine, or spray lead products
- Machine or weld on cadmium-alloyed or cadmium-plated steel
- Spray polyurethane foam insulation
- Use acrylamide for grouting (sewers, mining, and tunnel construction)
- Use epoxy, isocyanate, or formaldehyde-resin adhesives, finishes, or sealants
- Use manganese-containing welding rods
- Use solder containing colophony, zinc chloride, or ammonium chloride flux
- Weld mild steel
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