Effective and Economical Concrete Reservoir at New Ulm

Issue 22 and Volume 61.

Effective and Economical Concrete Reservoir at New Ulm An interesting and somewhat unique water reservoir of cylindrical design has recently been erected for municipal service by the city of New Ulm, Minn. This structure, of ornamental type, is built entirely above the ground, as shown in the accompanying illustration. It is 32 feet in diameter, inside, with walls 15 feet high, and a depth to outside flow of 12.5 feet, affording a total capacity of 90,000 gallons. The floor, walls and roof of the reservoir, reinforced with bars and cross rods, are of a 1-2-4 concrete mixture, to which has been added 5 per cent, hydrated lime. After the removal of the forms, a 1-2 mixture of cement mortar, with 10 per cent, hydrated lime and 3 per cent. cement waterproofing, was applied both to inside and outside walls as a finishing coat, about 1/2 inch thick. The roof of…

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