However, a quick comparison of the examples will show the possible savings available. Each individual can then relate this to their own situation and realize the money saved through the cost reduction.
The following examples illustrate the potential savings and advantages that can be achieved with Raintrol® roof drains.
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CONDITIONS APPLY TO ALL EXAMPLES 1 THRU 7: Location.........................................Paducah, Kentucky Rainfall..................................................... 4" per hour Flow Control...........................10 yr. storm return period Leaders ........................................Vertical- 20 ft. high Storm Sewers.....................................1/4" per ft. slope Roof Size ...........................210' x 580' or 121,800 sq. ft. Type Roof.....................Flat Roof or 4" Rise (as indicated) |
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To view an example, click on the Example name(s): |
EXAMPLE 1 - CONVENTIONAL METHOD USING SMITH 4" FIG. 1010 ROOF DRAIN FOR FLAT ROOF
EXAMPLE 2 - CONVENTIONAL METHOD USING SMITH 5" FIG. 1010 ROOF DRAIN FOR FLAT ROOF
EXAMPLE 3 – RAINTROL® METHOD - MAXIMUM ECONOMY FOR FLAT ROOF
EXAMPLE 4 - RAINTROL® METHOD - LIMIT DRAIN DOWN TIME TO 12 HOURS FOR FLAT ROOF
EXAMPLE 5 – CONVENTIONAL METHOD USING SMITH 6" FIG. 1010 ROOF DRAIN FOR 4" RISE ROOF
EXAMPLE 6– RAINTROL® METHOD – MAXIMUM - ECONOMY FOR 4" RISE ROOF
EXAMPLE 7– RAINTROL® METHOD – LIMIT DRAIN DOWN TIME TO 12 HOURS FOR 4" RISE ROOF
