From the Forum: Amendment to Approved Plans Necessary for Mechanicals?

Amendment to DOB approved plans necessary?

We are gut renovating a two-family townhouse. Renovation work is currently in progress and is being carried out in accordance with the DOB approved plans.

At the time our architect filed the plans, we were set on going with a split system A/C heating unit and keeping our current steam heat. Subsequent to the filing and approval by the DOB of the plans, we decided to go 1) with a central air system and 2) add a second hot water heater to supply hot water to the tenant’s unit with us using the coil in the existing boiler.

We had also told our architect that we wanted to convert from oil to gas but this apparently never made it into the mechanical portion of the drawings that were approved by the DOB…Is it necessary to amend the DOB approved plans to account for a water heater and oil to gas conversion if the professionals doing the work pull the right permits and we file a LAA for the oil to gas conversion?

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