School holidays are the ideal time to execute ‘special’ operations that can’t be carried out during normal school hours. Due to excessive wear and tear caused by daily student- and player traffic, the entire sports field surface will be covered with grow mats for the next three weeks at this Sydney grammar school. The mats give the turf a well-deserved rest and more importantly, the opportunity to rejuvenate and grow before the second half of the winter sports season kicks off.