![]() Staple Down – The hydronic radiant heating pipes are attached to the top of the wood subfloor to hold them in place until a light-weight topping slab or dry pack is installed. A topping slab is then poured over the heating system and is protected while the project is completed.Įxisting Construction – Our installation method will depend on the site conditions, floor heights and build-up. ![]() New Construction - We recommend 1” rigid foam insulation be secured to the existing slab and the pipe is attached to the foam. This installation method is not suitable for slabs over 6” thick due to slow response times. The pipe is attached to the rebar or wire mesh to hold it in place until the concrete floor is poured. Slab on Grade Installation – requires minimum R-5 insulation under the slab and on the slab edges. In some cases, multiple installation methods are used on a project. ![]() Installation methods are determined by the design of the project or by pre-existing conditions. An additional water heater is needed to heat the domestic hot water.Ĭombined System - uses a single water heater to provide both the domestic hot water and the hot water for the hydronic radiant system. Stand-Alone System - uses a dedicated heat source to heat the water for the hydronic radiant heating system. There are two types of hydronic radiant heating systems: With over 25 years of experience, we know how to ensure that your project is a success. Developed and subsequently republished at the conclusion of each three-year code cycle, the UPC is designed to provide consumers with plumbing systems that meet all applicable standards while, at the same time, allowing latitude for innovation and new technologies.We only use quality, energy efficient components and installation methods that meet or exceed our customers’ expectations and industry standards. Introduced in Los Angeles in 1928 and formally published as the Uniform Plumbing Code in 1945, the UPC is developed to govern the installation and inspection of plumbing systems as a means of promoting the public’s health, safety and welfare. IAPMO also offers free code interpretation, regardless of membership status, to address any confusion related to private sewage disposal systems. Therefore, by request of the industry, the widely used provisions were made available for the public as a standalone document to utilize regardless of locally adopted codes. IAPMO understands that there is no need to reinvent the wheel, as a lot of hard work and effort went into the creation of Appendix H. These requirements have been improved each subsequent edition to address the latest technology and installation methods. The UPC has addressed private sewage disposal systems since the 1976 edition. Jurisdictions should find it useful to adopt this standalone document as it eliminates the burden of having to purchase multiple documents. The private sewage disposal system, except as otherwise approved, consists of a septic tank with effluent discharging into a subsurface disposal field, into one or more seepage pits, or into a combination of a subsurface disposal field and seepage pits.Īll references to other sections of the UPC have been extracted to avoid dependence on additional documents. The type of system is determined based on location, soil porosity, and groundwater level, and designed to receive all sewage from the property. Where permitted by the local plumbing code, plumbing systems can be connected to a private sewage disposal system in accordance with the provisions of this appendix. This document provides general guidelines for the materials, design, and installation of private sewage disposal systems. The IAPMO/UPC/Appendix H-2021 is a document that can be utilized by any jurisdiction regardless of the adopted plumbing code or building codes.Ī copy of IAPMO/UPC/Appendix H-2021 can be purchased here: Outline This document is a direct extract from Appendix H of the 2021 Uniform Plumbing Code (UPC ®), which was developed via an American National Standards Institute (ANSI)-accredited development process. ONTARIO, CA - The International Association of Plumbing and Mechanical Officials (IAPMO ®) has published IAPMO/UPC/Appendix H-2021, Private Sewage Disposal Systems, as a standalone document.
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