decks with positive drainage definition

secondary drainage and ponding requirements in the ibc and ...

nov 28, 2017 ... the term “positive drainage” is defined as the drainage condition in ... for all loading deflections of the roof deck, and additional roof slope has...【Get Price】

architect disciplined for designing a flat deck | interactive resources

mar 1, 1999 ... one part of that argument has been whether or not a deck is a “roof. ... astm standards clearly require or recommend a positive slope to drain at the ... without adequate means for water to flow and drain was determined not to...【Get Price】

waterproofing for plaza decks - construction specifier

mar 9, 2017 ... positive drainage of all elements is the best policy. ... maintaining these drains means the difference between a long-lasting deck and one that...【Get Price】

the importance of proper roof slope

nrca defines positive drainage as the drainage ... decks that truly are flat, installation of a. 1⁄8-in-12 ... drainage for defining required minimum roof slope.【Get Price】

plaza decks | wbdg whole building design guide

may 10, 2016 ... a unique defining characteristic is the waterproofing requirement over occupied ... drain basins are perhaps the most critical plaza deck performance feature and ..... a durable design will include positive drainage of structural...【Get Price】

membrane-level drainage on highway bridge decks - civil + ...

jun 1, 2017 ... ... groundwater elevation on a well-draining granular layer with good drainage outlets. ... therefore, membrane-level drainage on bridge decks is widely recommended in ... project examples: lack of membrane-level drainage.【Get Price】

technical details: drainage requirements | 2012-03-08 | roofing ...

mar 8, 2012 ... the slope can be provided through primary means — such as slope in the deck — or through secondary means. positive slope in the structure...【Get Price】

positive drainage - wiktionary

(construction) the drainage condition in which consideration has been made during design for all loading deflections of the deck and additional roof slope has...【Get Price】

plaza deck design primer

jun 10, 2011 ... systems to resist water intrusion, has the following definition: protected membrane .... recommends positive drainage at the membrane level.【Get Price】

what does positive drainage mean? -

definition of positive drainage in the dictionary. ... loading deflections of the deck and additional roof slope has been provided to ensure drainage...【Get Price】