Standard Specifications for Construction of AirportsOffice of Airports, 1948 - 588 páginas |
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Página 36
... grade billet steel , meeting A. A. S. H. O. Specification M - 31 . ( 2 ) Longitudinal and transverse bars shall be connected at all marginal intersections and at least every alternate interior intersection , either by welding or by ...
... grade billet steel , meeting A. A. S. H. O. Specification M - 31 . ( 2 ) Longitudinal and transverse bars shall be connected at all marginal intersections and at least every alternate interior intersection , either by welding or by ...
Página 37
... grade shall be selected for each project such as 85-100 ; 100-120 ; or 120–150 . The penetration grade shall be indicated in the proposal , shown on the plans or as directed by the engineer . Asphalt cement may be used in : Items P ...
... grade shall be selected for each project such as 85-100 ; 100-120 ; or 120–150 . The penetration grade shall be indicated in the proposal , shown on the plans or as directed by the engineer . Asphalt cement may be used in : Items P ...
Página 38
... grade shall be the light grade unless otherwise indicated in the proposal . Liquefier will be used in : Items P - 410 and P - 411 . 90-17 HYDRATED LIME . The hydrated lime shall meet the requirements of A. S. T. M. Designation C - 6 ...
... grade shall be the light grade unless otherwise indicated in the proposal . Liquefier will be used in : Items P - 410 and P - 411 . 90-17 HYDRATED LIME . The hydrated lime shall meet the requirements of A. S. T. M. Designation C - 6 ...
Página 53
... grades indicated , the excess shall be used to grade the areas of ultimate development , or wasted as directed . In case the volume of excavation is not sufficient for constructing the fill to the grades indicated , the deficiency shall ...
... grades indicated , the excess shall be used to grade the areas of ultimate development , or wasted as directed . In case the volume of excavation is not sufficient for constructing the fill to the grades indicated , the deficiency shall ...
Página 54
... grade to allow for compaction to this grade . Likewise , on embank- ments , sufficient material shall be placed above the designated grade to allow for compaction and settlement . Should the contractor through negligence or other fault ...
... grade to allow for compaction to this grade . Likewise , on embank- ments , sufficient material shall be placed above the designated grade to allow for compaction and settlement . Should the contractor through negligence or other fault ...
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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.