Standard Specifications for Construction of AirportsOffice of Airports, 1948 - 588 páginas |
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... SURFACE COURSES P - 401 Bituminous Surface Course . 233 P - 405 Key Stone Mat Course .. 248 P - 408 Blended Natural Limestone & Sand Asphalt Surface . P - 410 Asphalt Concrete Surface Course .. 255 268 P - 411 Surface Treatment With ...
... SURFACE COURSES P - 401 Bituminous Surface Course . 233 P - 405 Key Stone Mat Course .. 248 P - 408 Blended Natural Limestone & Sand Asphalt Surface . P - 410 Asphalt Concrete Surface Course .. 255 268 P - 411 Surface Treatment With ...
Página 54
... surface elevation of spoil areas shall not extend above the surface elevation of adjacent or contiguous usable areas of the airport . Those areas outside of the pavement areas in which the top layer of soil material becomes compacted ...
... surface elevation of spoil areas shall not extend above the surface elevation of adjacent or contiguous usable areas of the airport . Those areas outside of the pavement areas in which the top layer of soil material becomes compacted ...
Página 69
... SURFACE TEST . After the course is completely compacted , the surface shall be tested for smoothness and accuracy of grade and crown , and if any portions are found to lack the required smoothness or to fail in accuracy of grade or ...
... SURFACE TEST . After the course is completely compacted , the surface shall be tested for smoothness and accuracy of grade and crown , and if any portions are found to lack the required smoothness or to fail in accuracy of grade or ...
Página 116
... surface of the mix- ture after compression shall be smooth and true to the established crown and grade . Any mixture which becomes loose and broken , mixed with dirt , or in any way defective prior to acceptance , shall be removed and ...
... surface of the mix- ture after compression shall be smooth and true to the established crown and grade . Any mixture which becomes loose and broken , mixed with dirt , or in any way defective prior to acceptance , shall be removed and ...
Página 121
... surface of the aggregate shall be carefully trued up and all high or low spots remedied by removing or adding aggregates as may be required . The course shall be lightly rolled , after which the surface shall again be tested and trued ...
... surface of the aggregate shall be carefully trued up and all high or low spots remedied by removing or adding aggregates as may be required . The course shall be lightly rolled , after which the surface shall again be tested and trued ...
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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 bituminous material cable coarse aggregate coat compacted concrete condition conform constitute full compensation contract unit price cubic foot cubic yard density depth duct engineer equipment excavation Federal Specification fence filler finished foot measurement furnishing and installing gradation grade 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 special provisions specific gravity spread square yard steel subbase subgrade surface 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.