ESSENTIALS OF VALUE
‘““ BOSTON TRANSIT COMMISSION
(1895-1912)
Percentage
Percentage feo
Total cost. of total siructio
Subway:
Engineering....................... $407,475.48 9.88 11.34
General expense (inc. commission). . 131,681.87 3.19 3.68
Construction. . .. (i eee 3,586,002.33 86.93 100.00
Total...... ceee.. $4,125,159.68 100.00
East Boston Tunnel:
Engineering. ...... vii viveds orion ys $191,466.57 5.90 6.62
General Expense... uv. av sisi 161,134.78 4.96 5.57
CONSIIRCtiOn. iis x wns nik sn sd rns 2,894,595.01 89.14 100.00
Total...." se rie 'ali a sei RSS, 24. 7,100 300 TOO .00
Boston Tunnel and Subway:
Engineering... 0 sain ii dy od wn $417,866.25 5.05% 5.48
General expense. «. vu. uivvs nan snes 226,441.57 2.73 3.58
Construction. . . 0. sha oh 7,623,206.56 92.22 100.00
Total...............0.50. 00. SS, 267,514 . 33 100.00
Cambridge Connection:
Engineering. oi. dv es sete vy $96,575.46 7.10 8.05
General expense.......... vue eui.. 62,355.20 4.59 5.20
Construction. . « . vc... EN 1,199,904.39 88.31 100.00
Total..........0e sve savy ss oR 9T,358,535. 05 100.00
‘““ CHARLES RIVER BASIN COMMISSION, BOSTON
Dam, Lock, Embankments, Marginal Conduits, Etc., Completed 1909
Percentage
Percentage f COM
Total cost. of total struction
Administration. . ....s:cszs:sicasnsesss $04,011.97
Engineering........... J vars 446,006.03 . .. .
Construction:
Preliminary... $10,783.86 OH «5.05 sik iw asmnlll wii viv nF Selaie isl
Contracts. .... 2,620,671.95 . 73.10 sass snusisinindlls + «vee BN .
Additional..... 237,433.22 6.6 TL SIE, ,
2,877,889.03 8.0 =
Real estate. ........ SELL. 170,730.77 0 so
$3,597,727.80 100.00

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