This section is from the book "The Law Of Contracts", by William Herbert Page. Also available from Amazon: Commercial Contracts: A Practical Guide to Deals, Contracts, Agreements and Promises.
Subgrade. - The subgrade shall be--------- (---------) inches below and parallel to the finished roadway surface. This shall be lightly sprinkled with water before placing the concrete.
Placing and Finishing Concrete Base. - Concrete, class 3, shall be used for the foundation and shall be deposited, struck off and finished to the depth of---------
(---------) inches so that when complete the surface shall be parallel to, and---------
(---------) inches below the grade of the finished roadway. The surface shall be smooth and uniformly finished, with the coarse aggregate thoroughly embedded in mortar. The concrete shall be brought to the required surface smoothness, and in condition for laying the brick thereon, by adding thereto a thin coat of sand and cement, approximately one-quarter (1/4) inch in depth. The required surface smoothness of the concrete with the sand-cement coating, shall be secured by means of templates or hand luting.
Sand and Cement Thin Coat. - The sand and cement for the thin coating shall be of a quality equal to that used in the fine aggregate in the concrete. They shall be thoroughly mixed dry in advance in a mechanical batch mixer, in the proportion of one (1) part cement to three (3) parts of sand by volume. Mixing shall continue until the mass attains a uniform shade. Sufficient quantity shall be prepared at intervals in order that there shall be no interruption in preparing the surface of the concrete for brick laying.
Laying. - Upon the foundation as prepared, the brick shall be immediately laid with the better edge uppermost and the projections in one direction. Only whole brick shall be used except as provided or by special direction of the Engineer.
In delivering the brick, from the piles for placement in the roadway, no wheeling in barrows will be allowed on the brick surface, but they should be carried on pallets or carriers, in such order that when delivered to the dropper, they will lie in such a position, that each brick in the regular operation of placing it upon the foundation prepared, will bring the projections in the same direction and the better edge uppermost. Passing to and fro over the freshly laid brick for deliveries to the dropper shall be upon boards laid for that purpose.
Alternate courses of brick shall be commenced with a one-half (1/2) brick, and all joints across the roadway shall be broken at least three (3) inches. Upon laying the brick, they shall immediately be batted in at the edge line, using fragments of brick in no case less than three (3) inches in length. The fractured end of cut or trimmed brick shall be turned toward the center of the roadway. Each course shall be laid true and even, transverse to the edge lines, and shall be closed and straightened by tapping lightly with a sledge on a four by four (4x4) inch timber, three (3) feet in length, provided with an upright handle. All the work of brick laying shall be done over the brick surface already laid.
Immediately after laying the brick, the surface of the road shall be swept and inspected. Brick not laid with the better face uppermost shall be turned over and those not meeting the specifications shall be removed and replaced by those acceptable. Brick slightly chipped, but otherwise good, shall be accepted.
Immediately after the brick in the pavement have been inspected and the surface of the pavement swept clean, the pavement shall be rolled with a self-propelled two (2) ton roller, or with a hand-roller approximately thirty (30) inches long and twenty-four (24) inches in diameter, made in sections and filled with water, weighing not less than twenty (20) pounds per inch of length. The rolling should be kept close to the laying and continued until surface is smooth. The Engineer will decide whether hand-roller or self-propelled roller be used.
Such portions of the roadway surface as are inaccessible to the roller shall be brought to the required surface by hand tamping, applied upon a two (2) inch board.
Broken or otherwise injured brick shall be removed and replaced prior to the final rolling operation.
The completed surface of the roadway shall conform to the true grade and cross section within the limits of one-quarter (1/4) of an inch. Depressions exceeding the limit shall be corrected by removing and relaying the brick. The roadway shall be completed and made ready for grouting at all times within twenty-five (25) feet of the brick laying.
Cement Grout Fille. - After completing the rolling of the pavement as above described and before the sand-cement thin coat has taken its initial set, cement-grout filler, conforming in all respects to that previously specified, shall be applied.
Payment. - The price bid per square yard for brick pavement will include the furnishing of all labor and material to complete the pavement above the concrete foundation; it will also include all work as specified under "Grading" Item 1, where no special bid is asked for the grading item.
Maintenance. - During the period of guaranty, whenever the surface of a brick pavement becomes uneven, holding water one-quarter (1/4) of an inch or more in depth in a distance of four feet or less, or when the pavement has settled over trenches existing previous to the acceptance of the pavement, then the brick shall be taken up and relaid to proper crown and grade.