Transcription of Building Regulations 2010
1 Building Regulations 2010 Technical Guidance Document H Drainage and Waste Water Disposal ARNA FHOILSI AG OIFIG AN tSOL THAIR BAILE THA CLIATH Le ceannach d reach n OIFIG DH OLTA FOILSEACH N RIALTAIS, TEACH SUN ALLIANCE, SR ID THEACH LAIGHEAN, BAILE THA CLIATH 2, n tr d an bpost FOILSEACH IN RIALTAIS, AN RANN G POST-TR CHTA, AONAD 20 P IRC MIOND OLA COIS LOCHA, CL R CHLAINNE MHUIRIS, CONTAE MHAIGH EO (Teil: 01-6476834/37 n 1890 213434; Fax: 01-6476843 n 094-9378964) n tr aon d olt ir leabhar. _____ PUBLISHED BY THE STATIONERY OFFICE DUBLIN To be purchased directly from the GOVERNMENT PUBLICATIONS SALE OFFICE, SUN ALLIANCE HOUSE, MOLESWORTH STREET, DUBLIN 2, or by mail order from GOVERNMENT PUBLICATIONS, POSTAL TRADE SECTION, UNIT 20 LAKESIDE RETAIL PARK, CLAREMORRIS, CO.
2 MAYO (Tel: 01-6476834/37 or 1890 213434; Fax: 01-6476843 or 094-9378964) or through any bookseller. _____ Price ISBN 978-1-4064-2338-9 Printed on recycled paper containing a minimum of 75% post-consumer waste Amendments and Corrections issued since publication Technical Guidance Document H Drainage and Waste Water Disposal Amd. No. Text affected H(i) Where reference is made in the Technical Guidance Document, to the Minister for the Environment, Heritage and Local Government , this should be replaced with the Minister for Housing, Planning, Community and Local Government H(ii) Insert after Substantial work has been completed means that the structure of the external walls has been erected.
3 The following text : The amendments and corrections H(i) H(xvii) incorporated in this document apply from 1 January 2017. H(iii) Table 5 delete and and insert EN 12201 H(iv) Section insert after serving single houses : This specifies the design capacity for a dwelling based on the number of bedrooms with the minimum being a two bedroom equating to a population equivalent ( ) of 4 and every additional bedroom irrespective of size being an additional 1 H(v) Section Delete Parts 1-4 and insert Parts 1-7 H(vi) Section First sentence delete An effluent screen on the outlet of the tank and insert A septic tank outlet filter (effluent filter) H(vii) Section third sentence delete septic tanks must conform to EN 12566 Part 1 or 4 including their national annexes and insert.
4 Septic tanks should be tested to EN 12566 Part 1 or 4 and meet the performance requirements specified in SR 66 .. H(viii) Section Insert at the end of the paragraph: Where the development is greater than 10pe then reference should be made to Integrated Constructed Wetlands-Guidance Document for Farmyard Soiled Water and Domestic Wastewater Applications. H(ix) Section In the first sentence delete the word pump H(x) Section third sentence delete Packaged filter systems should conform to prEN 12566 Part 6 - Prefabricated treatment units for septic tank effluent (when available) and insert : Packaged filter systems should be tested to EN 12566 Part 6 - Prefabricated treatment units for septic tank effluent and meet the performance requirements specified in Table 18 and SR 66.
5 H(xi) Section delete the following text and prEN 12566 Part 7 Prefabricated tertiary treatment units (when availabe) H(xii) Section Delete second sentence and insert: These systems should be tested to EN 12566-3 and meet the performance requirements specified in Table 18 and SR 66 . H(xiii) Replace Section with : The system should be designed for a minimum hydraulic daily load of 150l/person/day and a minimum organic daily load of 60g BOD/person/day based on the design (see ) to ensure adequate treatment is provided H(xiv) Table 18 Delete: Row 5: Total nitrogen as N 5 Only for nutrient-sensitive areas. Row 6: Total Phosphorous 2 Only for nutrient-sensitive areas H(xv) Section Second sentence after maintenance insert: and de-sludging H(xvi) Standards and Publications: Delete the following: 134 : 1977 Polyethylene pipe type 32 and 135 : 1975 Polyethylene pipe type 50.
6 Insert the following: EN 12201 Plastics piping systems for water supply, and for drainage and sewerage under pressure Polyethylene (PE) EN 12566-6 2013 Prefabricated treatment units for septic tank effluent EN 12566-7 2013 Prefabricated tertiary treatment units Integrated Constructed Wetlands-Guidance Document for Farmyard Soiled Water and Domestic Wastewater Applications 2010 (All standards referenced in TGD H 2010 have been updated as appropriate) Government of Ireland 2010 Contents 1 Page Introduction 3 Transitional arrangements 3 The guidance 3 Existing buildings 3 Technical specifications 3 Materials and workmanship 4 Interpretation 4 Part H - the requirement 5 Section 1.
7 Drainage systems 6 General 6 Guidance 6 Foul wastewater drainage 6 Surface water drainage 7 Foul wastewater drainage - pipework overground 7 Traps 7 Branch pipes 8 Discharge stacks 11 Access for clearing blockages 12 Materials for pipes, fittings and joints 12 Airtightness 12 Foul wastewater drainage - pipework underground 13 General 13 Layout 13 Depth of pipe cover 13 Pipe gradients and sizes 14 Lifting installations 14 Materials for pipes and jointing 15 Bedding and backfilling 15 Clearance of blockages 15 Watertightness 18 Greywater recovery systems 18 Additional guidance for large buildings 20 Capacity of pipes 20 Traps 20 Branch pipes 20 Stub stacks 21 Ventilating stacks 21 2 Surface Water Drainage 21 Gutters 21 Rainwater pipes 22 Siphonic roof drainage systems 22 Eaves drop systems 22 Rainwater recovery systems 23 Materials for gutters.
8 Rainwater pipes and joints 24 design 24 Soakaways 25 External Greywater and Rainwater Storage Tanks 25 Further guidance on drainage systems 26 Special protection settlement 26 Special protection - surcharging of drains 27 Special protection - ground loads 27 Repairs and alterations 28 Sealing disused drains 28 Section 2: Wastewater treatment systems 29 Guidance 29 Septic tanks 30 Percolation areas and mounds 30 Constructed wetlands 30 Intermittent filter systems 31 Polishing filters 31 Packaged wastewater treatment systems 31 Tertiary treatment systems 32 General recommendations 32 Holiday homes 33 Standards and publications 34 Other standards and publications 39 Building Regulations 2010 Technical Guidance Document H Drainage and Waste Water Disposal 3 Introduction This document has been published by the Minister for Housing, Planning, Community and Local Government under article 7 of the Building Regulations 1997.
9 It provides guidance in relation to Part H of the Second Schedule to the Regulations . The document should be read in conjunction with the Building Regulations 1997 to 2010, and other documents published under these Regulations . In general, Building Regulations apply to the construction of new buildings and to extensions and material alterations to buildings. In addition, certain parts of the Regulations apply to existing buildings where a material change of use takes place. Otherwise, Building Regulations do not apply to buildings constructed prior to 1 June 1992. Transitional arrangements In general, this document applies to works, or buildings in which a material change of use takes place, where the works or the change of use commence or takes place, as the case may be, on or after 1 June 2011.
10 Technical Guidance Document H - Drainage and Waste Water Disposal, dated 1997, also ceases to have effect from that date. However, the latter document may continue to be used in the case of works, or buildings in which a material change of use takes place: - - where the works, material alteration or the change of use commences or takes place, as the case may be, on or before 31 May 2011, or - where planning approval or permission has been applied for on or before 31 May 2011, and substantial work has been completed by 31 May 2012. Substantial work has been completed means that the structure of the external walls has been erected.
