The Old Pike. Thomas B. Searight

The Old Pike - Thomas B. Searight


Скачать книгу
impassable; and if any evidence, in addition to that presented by the testimony of the most experienced and approved road builders, were necessary to convince the department that the present dilapidated state of the road under your charge is owing entirely to the operation of the causes above alluded to, it is believed that that evidence is found in the report made by Capt. Delafield, who inspected the repairs of this road made by Mr. Giesey. By pursuing the course suggested in your letter, it is believed that these objections and difficulties would still obtain, and that in a little time, however faithfully the repairs might be made on the top of the large stones, the road would be in as bad order as it is at present, since the great cause of these evils would remain, viz.: that of having the bed which supports the stones, and which in fact should be the real support of the traffic on the road, lower than the neighboring ground.

      It is the intention of the department that the defects of the first construction of the road shall be remedied in its repair, and as it is believed that the adoption, as nearly as practicable, of the Macadam system, in all its important features, presents the only means of effecting this remedy, and as this system forms the basis of your instructions, it is recommended that they be departed from as little as possible.

      It is by no means the intention of the department to take from you all discretion in the discharge of your duties; such a course would defeat the object had in view in sending an officer of engineers on the road; but it is believed to be highly important that the exercise of this discretion should be limited to an extent that will insure the adoption of such principles and rules as cannot fail to render these repairs permanent. For these principles and rules, you are referred to Mr. Macadam’s work on the construction and repairs of roads, a copy of which is in your possession. In removing the metal from the old road, whenever hollows present themselves in the old bed, it is recommended that they be filled with earth; indeed, the whole bed of the road should be elevated, and its form given to it, before any of the covering of stone be replaced. The earth necessary for this may be taken from the ditches, or even from the sides of the road, where it can be done without encroaching upon the privileges of persons residing on the road.

      I am, &c., &c.,

       C. GRATIOT.

      Lt. J. K. F. Mansfield,

       Corps of Engineers, Uniontown, Pa.

      EXTRACTS FROM NOTICES FOR CONTRACTS.

       PLAN OF REPAIRS.

      The plan for repair is to lift the pavement of the old road in all cases, and deposit the stone off the bed; then to repair the culverts, clear the drains, ditches, and culverts, so as to admit the free passage of water, and graduate the bed of the road, so that, when well packed by travel or other means, it will be three inches higher in the middle than at either side, for a bed of thirty feet. Having thus formed the bed of the road, the hard stone (if there be any) of the old road, broken to a size not exceeding four ounces, is to be placed on the bed of the road to a breadth of twenty feet, and a thickness not exceeding nine inches, and in cases where there is a deficiency of the old material, limestone or whinstone is to be procured to supply the deficiency to the required thickness of nine inches. Catch-waters and hollow-ways to be permanently constructed on the sides of hills, and at other places where it will be thought necessary by the superintending engineer, but in no case to exceed one in every twelve rods. In those sections where pieces of hitherto Macadamized road are included, the sand is to be taken off, and, before new metal is added, the surface loosened with a pick. The metal added to be three inches thick in the cases heretofore Macadamized.

      JOS. K. F. MANSFIELD,

       Lieutenant Corps of Engineers.

      Engineer Department,

       Washington, August 27, 1832.

      Sir: I have to acknowledge the receipt of your letter of the 24th inst., inclosing two printed advertisements for proposals to contract for the repairs of the Cumberland Road under your charge.

      In answer, the department would call your attention to your remarks under the head “Plan of Repairs,” and would suggest that, instead of removing the stones from the bed of the road before the drains, ditches, and culverts are put in repair, to allow the free passage of water from the road, this latter operation should be first attended to, to the end that the removal of the stone from the road might be effected without the fear of being annoyed by the accumulation of water from heavy rains. Besides, thus preparing the drains, ditches, &c., in the first place, would enable the bed to become perfectly dry by the time the stones are prepared to be replaced.

      I am, &c.,

       C. GRATIOT.

      Lt. J. K. F. Mansfield,

       Corps of Engineers, Uniontown, Pa.

       Table of Contents

      Lieut. Mansfield superseded by Capt. Delafield—The Turning of Wills Mountain—Contractors not Properly Instructed—Capt. Delafield suggests a Change of Plan, and enforces his Views by Copious Quotations from Macadam—He is Permitted to exercise his own Discretion—Too much sand between Uniontown and Cumberland—Operations at Wills Creek suspended—A Collision with the Chesapeake and Ohio Canal Company—The difficulty adjusted, and operations resumed.

      Engineer Department,

       Washington, October 5, 1832.

      Sir: On the arrival of Captain Delafield, of the engineers, on the Cumberland Road in Pennsylvania and Maryland, you will hand to him the enclosed communication, which assigns to him the superintendence of the repairs of that road which have heretofore been conducted under your supervision. You will, also, turn over to him all the funds, books, papers, and public property in your possession appertaining to this road, and close your account with it.

      Very respectfully, &c.,

       By order:WM. H. C. BARTLETT,

       Lieut, and Assistant to Chief Engineer.

      Lieut. J. K. F. Mansfield,

       Corps of Engineers, Uniontown, Pa.

      Uniontown, December 13, 1832.

      Sir: The surveys of a route for turning Wills mountain by the valley of Braddock’s run and Wills creek are progressing, being retarded only by the weather. I have examined the whole route, and can confirm the most satisfactory account you may have heard of it. The ground over which the road will pass is a uniform inclined plane, requiring very few culverts, two small bridges over Braddock’s run of about fifteen feet span each, with side hill in no other part than about 300 yards in the “Narrows” of Wills creek, where a most simple and expedient plan will be to use the level and smooth bottom of the creek for the road, by building a wall not to exceed ten feet in height, thus throwing the stream on the opposite bank, peculiarly well formed for this construction, being a low bottom of alluvion. The idea of cutting into the mountain would be expensive, and no better than throwing the creek from its present bed.

      On the arrival of Mr. Pettit, I shall divide the road into four sections, giving him one. The present condition of the road is most unpromising. Nearly every contractor has formed his bed in the valley made by the removal of the old pavement, the consequence of which is, that, with the mild season and rainy weather, the bed is not drained, nor can it be, until the side roads are cut down to the bottom of the stone strata—a measure I directed as the only means of correcting the evil. Time, and the headstrong obstinacy of some of the contractors, have prevented much of the work being so attended to. All the contracts made by Lieut. Mansfield distinctly specify that the road for 30 feet in width shall be graded in such manner as to avoid this difficulty; yet in carrying the contracts into effect, the superintendents have, in no instance, instructed the contractors in the proper course. They have, in most instances too, permitted the stone to be broken on the road; the consequences of this are, much sand and dirt in the metal, and a bed graded without proper attention. This is the more remarkable, as in my report on the work executed two years since by one of the present superintendents,


Скачать книгу