 | George Leonard Vose - Railroad engineering - 1878 - 1086 pages
...dressed, but the faces left rough. All first class work shall be carefully laid in good cement mortar. Each stone before being laid shall be carefully cleaned...pointed with cement pointing. SECOND CLASS MASONRY, To be applied to abutments less than twenty-five feet high, wing and face walls of bridges and culverts,... | |
 | United States. Congress. House - United States - 1124 pages
...hydraulic cementmortar as hereinafter specified, and every joint shall be completely filled with mortar. Each stone before being laid shall be carefully cleaned...from the sun as fast as laid by covering with boards No masonry shall be laid in freezing weather. No hammering will beallowed on a course after it is set.... | |
 | United States. War Department - 1882 - 1042 pages
...specified, and every joint shall be completely tilled with mortar. Each stone before being laid shiill be carefully cleaned and moistened, and masonry built in hot weather shall be, protected from the suu as fast as laid by covering with boards. No masonry shall be laid in freezing weather. No hammering... | |
 | United States. Army. Corps of Engineers - 1882 - 1072 pages
...hydraulic cementniortar as hereinafter specified, and every joint shall be completely tilled with mortar. Each stone before being laid shall be carefully cleaned...from the sun as fast as laid by covering with boards. No masonry shall be laid in freezing weather. No hammering will be allowed on a course after it is... | |
 | United States - 1883 - 1056 pages
...hydraulic cementmortar as hereinafter specified, and every joint shall be completely filled with inortar. Each stone before being laid shall be carefully cleaned...built in hot weather shall be protected from the sun äs fast as laid by covering with boards. No masonry shall be laid in freezing weather. No hammering... | |
 | United States. War Department - 1882 - 1054 pages
...hydraulic cementmortar as hereinafter specified, and every joint shall be completely filled with mortar. Each stone before being laid shall be carefully cleaned...built in hot weather shall be protected from the sun ¡is fast as laid by covering with boards. No masonry shall be laid in freezing weather. No hammering... | |
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... with mortar. Each stone before being laid shall be carefully cleaned and moistened, and masonry built in hot weather shall be protected from the sun as fast as laid by covering with boards. No masonry shall be laid in freezing weather. No hammering... 