Estimating Highway Construction Production Rates during ...
For the New Jersey DOT, the production rate for a cast-in-place (CIP) retaining wall for Type 1 bridge construction is 20 days/30 meters, given the following assumptions: (1) 8-hour working day per crew, (2) 50% added for one bridge and 25% added for two, (3) separate estimates for bridges built in different stages, (4) additional 30 days ...