Retrofit low-flow, WaterSense-rated fixtures on the highest-draw taps, the Los Angeles Central Library.

Retrofit low-flow, WaterSense-rated fixtures on the highest-draw taps, the Los Angeles Central Library. The Los Angeles Central Library's highest-traffic restroom and kitchen taps are still running pre-efficiency flow rates. A WaterSense-rated aerator or showerhead swap on the highest-draw points cuts real draw without a plumbing permit. For the payer: - Price: $140 per job, counted in fixtures replaced. - Likely payer: LADWP rebate programs, paid to the account holder after the program's pre-approval. - No license is needed while the whole job, labor and materials together, stays under $1,000 (Business and Professions Code section 7048); at $1,000 or more, a CSLB C-36 Plumbing license (pipe work behind a wall needs it at any price).

Offer to pay $140. The receipt lands onchain once the proof is approved.

What it looks like

A worker turns an adjustable wrench to swap an old tap aerator at Los Angeles Central Library (Richard J Riordan) for a WaterSense-rated one, then fills a gallon-marked bucket to re-test the flow.

A description of this kind of work, not a record that it happened here.

Where

Los Angeles Central Library (Richard J. Riordan), 630 W 5th St, Los Angeles, CA 90071. Open the map

Pay

$140 proposed

This job is not funded yet, so this figure is a proposed price, not money held for the worker. If a buyer funds it, approved proof settles that price onchain. If nobody funds it, approved proof earns provable credit toward the work instead of cash: recorded, and readable any time at vealth.net/labor/credit/(your wallet). You see which before you claim, never after.

Proof

Before flow-rate list + Photo of each swapped fixture with its packaging + After flow-rate list showing the reduction + GPS waypoint of the building

This is exactly what gets it approved. Nothing settles without it.

Level

intermediate

Open until

2026-12-25

Posted by

0x034F…6c89

The creator wallet. Its signature is what approves proof and settles the wage.

Start after the crew's safety orientation. Close the fixture's own supply stop before opening it where one is in reach and turns freely (a showerhead is swapped with the shower valve off), and never turn a building main, meter, backflow-prevention or fire-line fitting or force a stop that weeps or will not close. Aerators and showerheads only, in nitrile gloves and eye protection, with cold water for flow tests; a toilet or any pipe or valve work is licensed plumbing, so stop and tell the owner; wear slip-resistant closed-toe shoes.

The full safety list for this job:

• Needs a person who can swap tap fixtures and flow-test them using hand tools only.
• Close the supply stop before opening any fixture, and never modify backflow-prevention or fire-line fixtures.
• Old multi-turn stops often leak the first time they move in years: if one weeps, close the handle, stop, and report it to the owner. A showerhead has no supply valve of its own, so do not hunt for one; keep water from being pushed at the face. Test flow with cold water; hot lines scald and the water heater setting is the owner's. A swap says nothing about water quality, lead in old brass, or the pipes behind the wall; never call the water fit to drink. Wrap chrome in cloth or tape before gripping with a wrench. Hand every old part back to the owner in a bag.
• Orientation to the site's injury and illness plan before touching a fixture: who to call, where first aid is, what to stop for (Title 8 section 3203).
• Restrooms and closets run hot: water, a cool place to rest, watch each other for heat signs (use the outdoor heat plan, section 3395, for hose bibs and exterior fixtures) (Title 8 section 3396).
• Eye protection under a sink or overhead at a shower arm: scale and debris fall in the face (Title 8 section 3382).
• Wear gloves and closed-toe shoes (Title 8 section 3384).
• Footwear, Title 8 section 3385: slip-resistant closed-toe shoes for wet floors and dropped fixtures.
• Outdoors: wildfire smoke, section 5141.1: at a PM2.5 AQI of 151 or more the employer provides N95 respirators for voluntary use and moves the work indoors or cuts exposure where feasible; above AQI 500 respirators are required under a respiratory protection program.
• Outdoors: heat, section 3395: drinking water, shade and cool-down rests; shade is ready at 80 F and the high-heat steps start at 95 F.

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