Amy Herzog’s play “4,000 Miles,” the creative team of tuner “Once” and Elevator Repair Service, the troupe behind buzzmagnet marathon “Gatz,” are among the winners of the Off Broadway-centric Obie Awards. Scribe Caridad Svich (“The House of the Spirits,” “Guapa”) scored the lifetime achievement award.The well-received “4,000 Miles,” currently playing a return engagement at Lincoln Center Theater, picked up kudos for playwright Herzog, who scored a $1,000 cash prize along with the new American play laurel, and for thesps Mary Louise Wilson and Gabriel Ebert. “Once,” the Off Broadway alumnus currently up for a slew of Tonys, snagged a special citation for choreographer Steven Hoggett, music supervisor Martin Lowe and director John Tiffany. ERS, meanwhile, picked up a special citation for sustained excellence, as well as the sound design award for Matt Tierney and Ben Williams’ work in the company’s production of “The Select (The Sun Also Rises).” The thesping award for sustained excellent went to Jim Fletcher, one of the actors in “Gatz.” The Playwrights Horizons staging of “Milk Like Sugar” picked up awards for both playwright Kirsten Greenidge and thesp Cherise Booth. Other acting trophies went to Linda Lavin (“The Lyons”), Susan Pourfar (“Tribes”), Santino Fontana (“Sons of the Prophet”), Steven Boyer (“Hand to God”) and the ensemble of the Public Theater’s production of Richard Nelson’s “Sweet and Sad.” Richard Maxwell (“Early Plays”) and Jay Scheib (“World of Wires”) snagged directing honors. Among other 2012 Obie Awards handed out in the May 21 ceremony were grants of $2,5000 each to the Bushwick Starr, a Brooklyn venue and presenter, and downtown troupe the Debate Society. Ensemble Studio Theater’s Youngblood group of scribes picked up a $1,000 grant.