Residential Roof Drainage Columbus Requirements

2013 residential code of ohio fundamentals.

Residential roof drainage columbus requirements. Unless otherwise noted underlayment for asphalt shingles metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles wood shakes and metal roof panels shall conform to the applicable standards listed in this chapter. The ibc allows non classified roof coverings to be used on residential group r 3 see ibc section 310 5 and group u see ibc section 312 buildings such as agricultural buildings barns carports if the separation between the leading edges of the adjacent roofs is less than 6 feet unless otherwise required by local requirements such as the. This article describes several methods for determining the drainage capacity required to safely drain water off of building roofs whether from rainfall melting snow or a combination of those water sources. The thickness of blown in or sprayed roof ceiling insulation fiberglass or cellulose shall be written in inches mm on markers that are installed at least one for every 300 ft 2 28 m 2 throughout the attic space.

Residential code of ohio chapter 4101 8 1 general provisions chapter 4101 8 2 definitions chapter 4101 8 3 approved standards chapter 4101 8 4 concrete chapter 4101 8 5 accepted engineering practice chapter 4101 8 6 walls chapter 4101 8 7 wall covering chapter 4101 8 8 roof ceiling construction. Cities based on inches per hour that may fall during a storm of one hour duration and a 100 year return period. Roof drainage requirements specifications. We describe online roof drainage requirements calculators pertinent plumbing standards a table approach to looking up roof drainage.

1112 1 4 1 blown or sprayed roof ceiling insulation. The markers shall be affixed to the trusses or joists and marked with the. 4101 8 board of building standards. Size vertical storm drainage piping.

Size horizontal storm drainage piping. Underlayment materials required to comply with astm d226 d1970 d4869 and d6757 shall bear a label indicating compliance to the standard. When a reference is made within this rule to a federal statutory provision an industry consensus standard or any other technical publication the specific date and title of the publication as well as the name and address of the promulgating agency are listed in rule 4101 8 44 01 of the administrative code. 1105 2 roof drain flow rate.

Our exclusive dual functional structural deck flange and combination roof drains streamline specifications saving installation time and labor. Roof drains watts roof drains provide flexible solutions for specifiers and installers in any commercial roof application. The inside opening for the roof drain shall not be obstructed by the roofing membrane material. A drainage branch pipe extending laterally from a soil or waste stack or building drain with or without vertical sections or branches that receives the discharge from two or more fixture drains or branches and conducts the discharge to the soil or waste stack or to the building drain.

Select number of roof drains and calculate the roof area sloped to each drain.