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Engineering and Contracting . 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 MO m ISO £00 ££0 £40 £60 £80 300 3£0 310 360 JflO 400WcrKing Pai/s to be Atlotved Fig. 3. Curve for Rock Excavation. pipe , inlets, manholes or ba-slns to per-mit such building and the filling to progresssimultaneously or the building of suffici
Engineering and Contracting . 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 MO m ISO £00 ££0 £40 £60 £80 300 3£0 310 360 JflO 400WcrKing Pai/s to be Atlotved Fig. 3. Curve for Rock Excavation. pipe , inlets, manholes or ba-slns to per-mit such building and the filling to progresssimultaneously or the building of sufficientwas, in those few cases where such wall Isnecessary before any filling can be done, to Interpolation Is permissible, but where doubtexists It Is preferable as making for lowercosts to take that nearest diagrammed condi-tion which gives the longer contract time. Rule 3.—Where a part of an item comes 1.—On a contract with a centerline length of 8,900 ft. and a street width of100 ft. there are the following items andquantities: Earth excavation 88,000 cu. yds. Rock excavation 26,700 cu. yds. F^ll 151,100 cu. yds. Dry rubble masonry 700 cu. yds. Rubble in mortar 25 cu. yds. 12-in. pipe 100 lin. ft. 18-ln. pipe 575 lin. ft. Manholes 4 Guard rail lin. ft. Lumber 7,500 ft. (B. M.) Filling.—It is known that over
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19