Biennial Report of the State Highway Commission of North Carolina . ible, especially on largestructures, a policy has been adopted according to which the man whodesigns a special bridge is sent out in the field as resident engineer duringconstruction. In this manner the man most familiar with the plans seesto it that all details are carried out during construction. While this methodnecessitates the continual breaking in of new men in the office and a slightincrease in the cost of preparing plans, it is believed that these possibledrawbacks are more than counterbalanced by the incentive offered
Biennial Report of the State Highway Commission of North Carolina . ible, especially on largestructures, a policy has been adopted according to which the man whodesigns a special bridge is sent out in the field as resident engineer duringconstruction. In this manner the man most familiar with the plans seesto it that all details are carried out during construction. While this methodnecessitates the continual breaking in of new men in the office and a slightincrease in the cost of preparing plans, it is believed that these possibledrawbacks are more than counterbalanced by the incentive offered thedesigner of seeing the child of his brain take actual form and finallybecome completed. Another advantage gained is the creation of an organi-zation of men familiar with all phases of bridge work who are equallyadept both in the office and in the field. As a result of experiments and to conform to the best modern practice,the weight of the equivalent fluid for which the abutments are designed,has been increased from twenty-one to thirty pounds per cubic PLANS Date Class AA Concrete Class SheetPiling Q M. Untr. Timber Test Piles Illumin-atingStand-ards GroutedRip RapSq. Yds. Guard Rail Lin. Ft. WearingSurfaceSq. Yds. 192v0 July 816 Au i 1,169 5,027 4,977 3,804 1,380 485 J 1,308 1,329 1921 7,314 6,902 1,11«6 A ril 4,448 2,095 June 1,413 July 2,083 16 4,673 294 8,995 814 7,683 8 1,294 6,669 6,594 192 1922 10,710 260 1,150 2,224 8,387 4 462 8,262 A ril 91 8,819 10 6 2,226 Ma 387 7,796 10 786 June 110 3,522 2 978 ! • 1 Total 604 116,857 i 22 18 260 2,920 18,419 CHART SHOWING MONTHLY RECORD OE BRIDGE QUANTITIES FOR CO] IOM JULY 1, 1920, t JTJLY1, 1922 Dato Cla 5? Class <.!v!n Class f\.„,r, f,(» i ,5 ,i (> 9,550 58 9,780 3,804 23 433,805 7,870 42 7,360 485 304 34,170 8 4,400 1921 Januar
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