Engineering and Contracting . ime torthe item. Note.—It is to be remembered that the con-tract provides that allowances of time for de-lays occasioned by the weather, or by any actor omission on the citys part, are to be madein addition to the number of working consideration need be given in their to any conditions arising from suchcauses. The curves represent average good practiceas determined from the records of many con-tracts. They do not represent the greatestprogress which can be made under good man-agement, and if, therefore, conditions arise notprovided for in th
Engineering and Contracting . ime torthe item. Note.—It is to be remembered that the con-tract provides that allowances of time for de-lays occasioned by the weather, or by any actor omission on the citys part, are to be madein addition to the number of working consideration need be given in their to any conditions arising from suchcauses. The curves represent average good practiceas determined from the records of many con-tracts. They do not represent the greatestprogress which can be made under good man-agement, and if, therefore, conditions arise notprovided for in these curves, such as inabilityto attack the work in more than a few points,unless the condition is very severe, no addi-tional working days are to be allowed as a total. Rule 5.—For time necessary to get the workstarted after being ordered ahead and for stop-ping, after completion, 10 working days are toIte allowed as a total. TYPICAL EXAMPLES. The following examples are given to illus-trate the use of the curves. Hi ill \. 30 60 90 ISO ISO ISO £10 Working Days £40 £TQ 300 330 360 390 4d0 450 480 to be Allowed esc Fig. 4. Curve for Filling. to be estimated, it is to be taken therefore atthe same rate of accomplishment per day as isthe total quantity. Rule 2.—Where conditions are clearly inter-mediate between those shown by the curves.
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