East Boston: a survey and a comprehensive plan . to IS ft. 100 ft. None. $4,026,000. One tube. Length, portal to portal Length under channel 1,200 ft. 925 ft. 37 ft. 6 in. 22 ft. 3 in. 13 ft. 9 in. each. 16 ft. 4 in. each. 1,471 ft. 1,214 ft. 19 ft. 8 in. each. 19 ft. 8 in. each. 5 ft. 11J in- each. 14 ft. Shafts at each end 78 ft. lift. 72 ft. Two, 4 ft. 1J in. each. 82,386,000. 5,000 ,800 ft. 27 ft. (3 per cent to elevators; 6 per cent at grade\ ft. 65 ft. None. 82,532,000. Two, about 5 ft. Probably $4,000,000 to $5,000,000. Development of East Boston. 97 In Boston an
East Boston: a survey and a comprehensive plan . to IS ft. 100 ft. None. $4,026,000. One tube. Length, portal to portal Length under channel 1,200 ft. 925 ft. 37 ft. 6 in. 22 ft. 3 in. 13 ft. 9 in. each. 16 ft. 4 in. each. 1,471 ft. 1,214 ft. 19 ft. 8 in. each. 19 ft. 8 in. each. 5 ft. 11J in- each. 14 ft. Shafts at each end 78 ft. lift. 72 ft. Two, 4 ft. 1J in. each. 82,386,000. 5,000 ,800 ft. 27 ft. (3 per cent to elevators; 6 per cent at grade\ ft. 65 ft. None. 82,532,000. Two, about 5 ft. Probably $4,000,000 to $5,000,000. Development of East Boston. 97 In Boston an elevator should be built to serve as anoutlet for heavy vehicles, but in addition there should bealso a grade outlet and this might reasonably be throughCommercial street to the corner of Cross street. Forthis outlet Commercial street should be widened by takingthe row of buildings between Clinton street and the alleyon the west side. The tunnel as proposed will have a drop of about 100feet from the streets to the lowest point, with 3 per cent. FIG. 32.—PRESENT SUBWAY OUTLET AT MAVERICK SQUARE. grades between the elevators, and about 6 per cent gradesto the portals, as shown on the profile (Fig. 31). 6.—SUBWAY EXTENSIONS TOWARD CHELSEAAND TOWARD REVERE. As mentioned in the general survey (Part I.), an exten-sion of the tunnel in East Boston must inevitably berequired if the transit requirements continue to grow. Forsuch an extension two routes seem practicable and necessary,and, in either or both, subways could be built at any time. 98 City Planning Board. On the plan (Fig. 30) and profiles (Fig. 31), one exten-sion to Chelsea and one to the Revere Beach Railroad areshown. To cross Maverick square and the Boston &Albany tracks, more space is needed, and for that theblock between Maverick square, Sumner street, Orleansstreet and Maverick street should be taken by the city andheld for rapid transit and other purposes. To extend toward Chelsea, the subway should be lowered,ab
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectschools, bookyear1915
