Standard Specifications for Construction of AirportsOffice of Airports, 1948 - 588 páginas |
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Página 17
... square openings of the sizes specified . The contractor shall furnish the required samples without charge . The contractor shall give sufficient notification of the placing of orders for materials to permit testing . 50-09 STORAGE ...
... square openings of the sizes specified . The contractor shall furnish the required samples without charge . The contractor shall give sufficient notification of the placing of orders for materials to permit testing . 50-09 STORAGE ...
Página 60
... square inches nor more than twelve ( 12 ) square inches . Each unit shall be provided with a suitable tamper foot - cleaning device . Where more than one rolling unit is used , the rolling units shall be pivoted on the main frame in a ...
... square inches nor more than twelve ( 12 ) square inches . Each unit shall be provided with a suitable tamper foot - cleaning device . Where more than one rolling unit is used , the rolling units shall be pivoted on the main frame in a ...
Página 69
... square inches . The sprinkling during rolling , if necessary , shall be in the amount and by equipment approved by the engineer . Water shall not be added in such manner or quantity that free water will reach the underlying layer and ...
... square inches . The sprinkling during rolling , if necessary , shall be in the amount and by equipment approved by the engineer . Water shall not be added in such manner or quantity that free water will reach the underlying layer and ...
Página 82
... square inch , based on the cross - sectitonal area of the galvanized wire . ( c ) Galvanizing Test . Chain - link fabric shall withstand twelve ( 12 ) one - minute immersions under the standard Preece Test . The test is to be made on a ...
... square inch , based on the cross - sectitonal area of the galvanized wire . ( c ) Galvanizing Test . Chain - link fabric shall withstand twelve ( 12 ) one - minute immersions under the standard Preece Test . The test is to be made on a ...
Página 83
... Square tubing , not less than 21⁄2 inches , 3.65 pounds per linear foot . ( c ) Gate Posts . Gate posts ( not over six ( 6 ) feet wide single or twelve ( 12 ) feet wide double gate opening ) shall be one of the fol- lowing sections ...
... Square tubing , not less than 21⁄2 inches , 3.65 pounds per linear foot . ( c ) Gate Posts . Gate posts ( not over six ( 6 ) feet wide single or twelve ( 12 ) feet wide double gate opening ) shall be one of the fol- lowing sections ...
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Términos y frases comunes
A. A. S. H. O. Method A. A. S. H. O. Specification airport amount applied approved areas asphalt cement backfill base course base material beacon bituminous material cable coarse aggregate coat compacted concrete condition conform constitute full compensation contract unit price cubic yard density depth duct emulsified asphalt engineer equipment excavation Federal Specification feet fertilizer filler finished foot measurement furnishing and installing gradation inches incidentals necessary item shall consist joints layer lime liquid limit live seed measured mesh sieve mixer mixing mixture moisture mortar mulch necessary to complete operations paid paint pavement payment shall constitute percent pipe placed plans plant plasticity index Portland cement price and payment quantity removed requirements of A. A. S. H. O. roller rolling runway sample shown soil soil cement special provisions specific gravity spread square yard steel subgrade temperature thickness tion topsoil trench underlying course uniform weight width windrow wire
Pasajes populares
Página 1 - Airport" means any area of land or water which is used, or intended for use, for the landing and take-off of aircraft, and any appurtenant areas which are used, or intended for use, for airport buildings or other airport facilities or right-of-ways, together with all airport buildings and facilities located thereon.
Página 30 - ... for all expenses incurred in consequence of the suspension or discontinuance of the work as herein specified...
Página 314 - The yardage measured as provided above shall be paid for at the contract unit price per square yard bid for plain or reinforced Portland cement concrete pavement...
Página 12 - The intent of the contract is to prescribe a complete work or improvement which the contractor undertakes to do, in full compliance with the plans, specifications, special provisions, proposal, and contract.
Página 6 - The owner does not expressly or by implication agree that the actual quantities involved will correspond exactly therewith; nor shall the bidder plead misunderstanding or deception because of such estimate of quantities, or of the character, location, or other conditions pertaining to the work.
Página 25 - The engineer shall have authority to suspend the work wholly or in part for such period or periods as he may deem necessary, due to unsuitable weather or such other conditions as are considered unfavorable for the prosecution of the work...
Página 239 - ... 10. Control of Mixing Time. — The plant shall be equipped with positive means to govern the time of mixing and to maintain it constant unless changed by order of the Engineer. The time of mixing shall be considered as the interval between the time the asphalt is spread on the aggregate and the time the same aggregate leaves the mixing unit.
Página 232 - ... materials, and for all labor, equipment, tools, and incidentals necessary to complete the item.
Página 102 - ... when directed by the engineer each load shall be covered with canvas or other suitable material of sufficient size to protect it from weather conditions.
Página 277 - ... occurring as a result of reversing the direction of the roller, or from any other cause, shall at once be corrected by the use of rakes and of fresh mixture where required. Rolling shall proceed continuously until all roller marks are eliminated and no further compression is possible.