Your project might not conform with the current Needham Zoning By-Law (For a definition of "non-conforming" see Zoning By-Law).
Submit two copies of the manufactures specifications.
Provide the MA approval number for gas fire places.
For masonry chimneys follow the IRC. For wood or gas factory built follow the manufactures specifications. A copy of the Manufactures Specs. will be given back to you once the permit Is issued, have a copy of the installation instruction available for the rough and final inspection.
Submit completed forms to the Building Department (500 Dedham Avenue) along with two copies of building plans (wet stamped and signed), if applicable.
Once the application is submitted the Building department must sign off on the application before it can be issued, looking for completedness of drawings and zoning compliance.