Easing up slightly on the gas pedal, the Trump administration has delayed until at least early May the award of design-build contracts for the multi­billion-dollar southern border wall, even as interest mounts regarding the massive but controversial project.

“Hard Hatted Woman,” the first feature-length documentary about construction tradeswomen on jobsites, is closer to completion, with recent donations of $25,000 each from contractors Turner Construction, Dragados USA Inc. and Structure Tone, says its director-producer Lorien Barlow.

Engineers and contractors pride themselves on being problem solvers, often balancing disparate, competing constraints.