Specification for Road Works Series 500 - Drainage and ...

1 Specification for road Works Series 500 - Drainage and Service Ducts CC-SPW-00500 March 2015 TRANSPORT INFRASTRUCTURE IRELAND (TII) PUBLICATIONS About TII Transport Infrastructure Ireland (TII) is responsible for managing and improving the country s national road and light rail networks. About TII Publications TII maintains an online suite of technical publications, which is managed through the TII Publications website. The contents of TII Publications is clearly split into Standards and Technical documentation. All documentation for implementation on TII schemes is collectively referred to as TII Publications (Standards), and all other documentation within the system is collectively referred to as TII Publications (Technical).

2 Document Attributes Each document within TII Publications has a range of attributes associated with it, which allows for efficient access and retrieval of the document from the website. These attributes are also contained on the inside cover of each current document, for reference. TII Publication Title Specification for road Works Series 500 - Drainage and Service Ducts TII Publication Number CC-SPW-00500 Activity Construction & Commissioning (CC) Document Set Standards Stream Specification for Works (SPW) Publication Date March 2015 Document Number 00500 Historical Reference Series 500 TII Publications Website This document is part of the TII publications system all of which is available free of charge at For more information on the TII Publications system or to access further TII Publications documentation, please refer to the TII Publications website.

3 TII Authorisation and Contact Details This document has been authorised by the Director of Professional Services, Transport Infrastructure Ireland. For any further guidance on the TII Publications system, please contact the following: Contact: Standards and Research Section, Transport Infrastructure Ireland Postal Address: Parkgate Business Centre, Parkgate Street, Dublin 8, D08 DK10 Telephone: +353 1 646 3600 Email: TII Publications CC-SPW-00500 Specification for road Works Series 500 - Drainage and Service Ducts March 2015 Page i Updates to TII Publications resulting in changes to Specification for road Works Series 500 - Drainage and Service Ducts CC-SPW-00500 Date: September 2017 Page No: 39 Section No: Clause 524 Pipes for Ducts Amendment Details: The following minor amendment has been incorporated into the March 2015 version of this Standard.

4 A)Clause 524 Reference to IS EN 50086-2-4 has been deleted as this Standardhas been : October 2020 Page No: 30 Section No: Clause 518 Thermoplastics Structured Wall Pipes and Fittings Amendment Details: The following minor amendment has been incorporated into the March 2015 version of this Standard: a)Clause - Text updated to remove conflict between and thecorresponding Standard Construction Detail (SCD) for narrow filter filter drain dimensions changed from 110mm or 150mm to a maximumpipe size of 100mm as per Publications CC-SPW-00500 Specification for road Works Series 500 - Drainage and Service Ducts March 2015 1 National Roads Authority Manual of Contract Documents for road Works (NRA MCDRW) AMENDMENT No. 1 (May 2015) to NRA Specification for road Works Series 500 - Drainage & Service Ducts Dated March 2015 The NRA Specification for road Works (NRA MCDRW), Series 500 - Drainage & Service Ducts, dated March 2015 is amended as follows:- 1.

5 Page 7, Sub-clause Delete text tested in accordance with sub-Clause and shall be British Standard joints or non-British Standard joints from first line and insert text joined in accordance with the manufacturer s instructions in the first line. 2. Page 10, Sub-clause Delete text and insert text in the third line. 3. Page 13, Sub-clause Delete text Sub-clause 17 and insert text Sub-clause 13 in the fifth line. 4. Page 14, Sub-clause Delete text and insert text 507 in the second line. 5. Page 14, Sub-clause Delete text and insert text in the third line. 6. Page 14, Sub-clause Delete text and insert text in the second line. 7. Page 14, Sub-clause Delete text and insert text in the fifth line.

6 8. Page 17, Sub-clause Delete the following text; TII Publications CC-SPW-00500 Specification for road Works Series 500 - Drainage and Service Ducts March 2015 2 1 Permeable backing shall consist of one of the following materials: (i) A minimum thickness of 300mm of granular material in accordance with Clause 505. (ii) Geocomposite drains. and insert the following text in the first line; 1 Permeable backing shall consist of one of the following materials: (i) A minimum thickness of 300 mm of granular material of 20mm nominal size, satisfying the following criteria: Piping ratio, defined as 15 per cent size of the Drainage material , < 5 85 per cent size of the backfill material Permeability ratio, defined as 15 per cent size of the Drainage material , < 5 15 per cent size of the backfill material where the per cent size of a material is the size of particle corresponding to the given per cent ordinate of the particle size distribution graph.

7 (ii) Porous no-fines concrete, cast in situ 225 mm thick complying with the requirements of the requirements of the 2600 Series . (iii) precast hollow concrete blocks complying with IS EN 772-2 & 3 laid in stretcher bond with dry joints in 225 mm thick walling with holes vertical. 9. Page 18, Sub-clause Delete text 4(v) from the first line of item (i) and insert text 5(v) . 10. Page 18, Sub-clause Delete text Sub-clause 13 from the third line of item (i), part (b) and insert text Sub-clause 14 . 11. Page 19, Sub-clause Delete text 5(ii) from the second line of the second paragraph and insert text 5(v) . 12. Page 23, Sub-clause Delete text 14 (vi) from the second line of item (a) and insert text 14 . 13. Page 23, Sub-clause Delete text 13, 14 and 15 from the first line and insert text 14, 15 and 16.

8 TII Publications CC-SPW-00500 Specification for road Works Series 500 - Drainage and Service Ducts March 2015 3 14. Page 24, Sub-clause Delete text from the first line of the first paragraph and insert text . 15. Page 24, Sub-clause Delete text from the third line and insert text . 16. Page 25, Sub-clause Delete text from the third line and insert text . 17. Page 29, Table 5/10 Delete text from the fifth row of the table and insert text . 18. Page 30, Table 5/10 Delete text from the third row of the table and insert text . 19. Page 30, Table 5/10 Delete text from the sixth row of the table and insert text . 20. Page 35, Sub-clause Delete text radiation in accordance with Sub-clause from the third line.

9 21. Page 39, Sub-clause Delete text 16 from the second line and insert text 14 . 22. Page 40, Sub-clause Delete text 15 from the third line and insert text 14 . 23. Page 40, Sub-clause Delete text 17 from the fifth line and insert text 14 . TII Publications CC-SPW-00500 Specification for road Works Series 500 - Drainage and Service Ducts March 2015 1 Drainage AND SERVICE DUCTS Contents Clause Title Page 501 Pipes for Drainage and for Service Ducts .. 2 502 Excavation for Pipes and Chambers .. 4 503 Bedding, Laying and Surrounding of Pipes .. 4 504 Jointing of Pipes .. 6 505 Backfilling of Trenches and Filter Drains .. 8 506 Connecting to Existing Sewers, Drains, Chambers and Channels .. 10 507 Chambers for Drains.

10 11 508 Gullies and Pipe Junctions .. 14 509 Testing and Cleaning .. 15 510 Surface Water Channels, Swales and Drainage Channel Blocks .. 16 511 Land Drains .. 17 512 Backfilling to Pipe Bays and Verges on Bridges .. 17 513 Permeable Backing to Earth Retaining Structures .. 18 514 Fin Drains .. 18 515 Narrow Filter Drains .. 24 516 Combined Drainage and Kerb Systems .. 27 517 Linear Drainage Channel Systems .. 28 518 Thermoplastics Structured Wall Pipes and Fittings .. 30 519 Geotextiles, Geosynthetic Clay Liners and Impermeable Membranes .. 36 520 Attenuation .. 38 521 Pollution Control .. 38 522 Soakaways .. 38 523 Drainage Outfalls .. 38 524 Pipes for Ducts .. 39 525 Chambers for Ducts .. 40 526 Ducts: Testing and Cleaning .. 43 TII Publications CC-SPW-00500 Specification for road Works Series 500 - Drainage and Service Ducts March 2015 2 Drainage and Service Ducts 501 Pipes for Drainage and for Service Ducts General Where the term drain is used in this Series it shall be deemed to include the terms sewer and piped culvert up to 2000mm internal diameter.