When cities repave roads, why do they leave the street ripped up for a couple weeks before repaving?

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I was told once it’s because cities project the job to take say 5 weeks, so they rip it up the first week, leave it for 3 weeks, then repave the last week. And they do this so everyone gets a paycheck for the full 5 weeks. Surely there has to be a different reason?

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Anonymous 0 Comments

After the big 1994 Northridge earthquake, California did a unique bidding process with incentives/disincentives for contractors to complete the work quickly. Repairs across multiple freeways and bridges that that were expected to take years were done in months.

One example:

“The incentive/disincentive clause created a stir on the Santa Monica Freeway, when contractor C.C. Myers Inc., of Rancho Cordova, California, pulled out all the stops to complete the reconstruction of the Interstate 10 bridges in a blistering 66 days-or a whopping 74 days ahead of the original contract, earning a $14.8 million bonus.”

https://www.pmi.org/learning/library/northridge-earthquake-rebuilding-project-crisis-3434

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