Watering the concrete to cure, not dry it

Here's a shot of our watering effort where you can see the Burlap on the slab.  We have a gas-powered pump on a water tank we rented from SunBelt.  We pumped upwards of 150 gallons of water onto the slab this morning and another 150 this evening to keep it from drying out in this 100 degree heat.   Two more days of watering and then they start on the flooring system.

"So I add 500 gallons of water and the house grows, right? (anonymous)