Report of the Operations of the Engineer Dept

Передня обкладинка
U.S. Government Printing Office, 1900
 

Зміст

132
6
328
13
5
19
33
29
109
137
113
108
154
127

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Сторінка 95 - When the asphaltic cement contains over 5 per cent of material that will separate by subsidence while in a molten condition, it must be thoroughly agitated before drawing from storage and while in use in the supply kettles, so as to insure a uniform cement. These properties shall be determined by tests made by uniform methods, descriptions of which are on file in the office of the Engineer Commissioner.
Сторінка 133 - I have the honor to submit the following report of the operations of this Department for the fiscal year ending June 30, 1873: CIVIL AND CRIMINAL SUITS, 1873.
Сторінка 130 - It is then shaken vigorously until no asphalt can be seen adhering to the bottom. Care should be taken while shaking to keep one finger on the cork to prevent...
Сторінка 159 - By turning this button while the clamp Is being held open. It will lock and keep the clamp from closing until unlocked. The device for measuring the distance penetrated by the needle consists of a rack, with a foot "g.
Сторінка 88 - ... at night, and at the head and foot of each flight of stairs, and at the intersection of all hallways with main corridors, shall be kept during the night a red light; and one or more proper alarms or gongs capable of being heard throughout the building SESSION OF 1885.
Сторінка 130 - It is shaken vigorously until no asphalt can be seen adhering to the bottom. Care should be taken while shaking to keep one finger on the cork to prevent its being blown out. The tube should then be put away...
Сторінка 133 - Grounds shall comprise all squares, reservations, streets, roadways, walks, and other areas as defined on a map entitled "Map showing areas comprising United States Capitol Grounds", dated June 25, 1946, approved by the Architect of the Capitol and recorded in the Office of the Surveyor of the District of Columbia in book 127, page 8...
Сторінка 146 - AN ACT To provide for the drainage of lots in the District of Columbia.
Сторінка 95 - ... similar to those existing in the District of Columbia, its use may be limited to such extent as may be deemed advisable, or it may be rejected for use entirely in the discretion of the engineer commissioner. The bitumen of the asphalt cement must comply with the following tests: 1. It must be of such consistency that when tested at 32° F. it will not show a hardness below 10 penetration, and when tested at 115° F. it will not be softer than 350 penetration. 2. When a...
Сторінка 75 - June 30, 1912, of the surface division, the surveyor's office, including the office of street extensions, the office of the inspector of asphalts and cements, the office of superintendent of trees and parkings, and the superintendent of street cleaning.

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