https://stag.standards-board.water.org.uk/document/ 2025-05-30T18:25:06+00:00 https://stag.standards-board.water.org.uk/document/wis-4-01-04-issue-1-specification-for-the-audit-of-water-industry-risk-assessments-and-risk-management-processes/ 2022-01-19T08:41:08+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-03-issue-2-operational-requirements-in-situ-polymeric-lining-of-service-pipes/ 2022-02-04T08:12:00+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-04-issue-1-operational-requirements-in-situ-polymeric-lining-of-sewer-pipelines/ 2022-02-04T08:16:55+00:00 https://stag.standards-board.water.org.uk/document/wis-4-04-02-issue-1-specification-for-package-pumping-stations-intended-to-serve-more-than-one-property/ 2022-02-04T08:21:06+00:00 https://stag.standards-board.water.org.uk/document/wis-4-04-01-issue-1-specification-for-type-1-package-pumping-stations-comprising-a-pumping-assembly-installed-in-a-dry-chamber-and-intended-to-serve-more-than-one-property/ 2022-02-04T08:21:52+00:00 https://stag.standards-board.water.org.uk/document/wis-4-22-02-issue-1-specification-for-ferrules-tapping-tees-and-ferrule-straps-for-underground-use/ 2022-02-04T09:01:37+00:00 https://stag.standards-board.water.org.uk/document/wis-4-23-04-issue-1-specification-for-underground-stop-valves-including-spherical-valves-for-potable-water-services-for-nominal-sizes-up-to-and-including-63-and-nominal-pressures-of-10-bar-minimum-a/ 2022-02-04T09:06:30+00:00 https://stag.standards-board.water.org.uk/document/wis-4-25-01-issue-1-specification-for-the-use-of-steel-tanks-in-the-water-industry/ 2022-02-04T09:39:16+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-11-issue-3-specification-for-mechanical-and-compression-fittingsmade-principally-from-thermosplastics-for-poyethylene-pressure-pipes-with-or-without-an-aluminium-barrier-layer-of-nominal-size/ 2022-02-04T09:50:18+00:00 https://stag.standards-board.water.org.uk/document/wis-4-34-06-issue-3-specification-for-localised-sewer-repairs-using-cured-in-place-systems-with-or-without-re-rounding/ 2022-02-04T10:02:31+00:00 https://stag.standards-board.water.org.uk/document/wis-4-52-03-issue-1-specification-for-anti-corrosion-coatings-on-threaded-fasteners/ 2022-02-04T22:11:32+00:00 https://stag.standards-board.water.org.uk/document/wis-4-52-03a-issue-1-amendment-to-specification-for-anti-corrosion-coatings-on-threaded-fasteners/ 2022-02-04T22:19:30+00:00 https://stag.standards-board.water.org.uk/document/ign-4-01-02-issue-3-the-determination-of-end-loads-for-the-performance-testing-of-fittings-for-polyethylene-pipe/ 2022-02-04T22:31:28+00:00 https://stag.standards-board.water.org.uk/document/ign-4-02-02-issue-4-3-code-of-practice-in-situ-resin-lining-of-watermains/ 2022-02-04T22:44:56+00:00 https://stag.standards-board.water.org.uk/document/ign-4-02-05-issue-1-code-of-practice-in-situ-polymeric-lining-of-service-pipes/ 2022-02-04T22:48:19+00:00 https://stag.standards-board.water.org.uk/document/ign-4-12-01-issue-4-precast-concrete-pipes-unreinforced-and-reinforced-with-flexible-joints/ 2022-02-05T12:41:27+00:00 https://stag.standards-board.water.org.uk/document/ign-4-32-18-issue-1-the-choice-of-pressure-ratings-for-polyethylene-pipe-systems-for-water-supply-and-sewerage-duties/ 2022-02-05T13:25:05+00:00 https://stag.standards-board.water.org.uk/document/ign-4-34-02-issue-1-specification-for-glass-fibre-reinforced-plastics-grp-sewer-linings/ 2022-02-05T13:31:40+00:00 https://stag.standards-board.water.org.uk/document/ign-4-37-02-issue-1-design-against-surge-and-fatigue-conditions-for-thermoplastic-pipes/ 2022-02-05T13:35:46+00:00 https://stag.standards-board.water.org.uk/document/ign-4-51-01-issue-1-external-zinc-coating-of-ductile-iron-pipe/ 2022-02-05T13:49:25+00:00 https://stag.standards-board.water.org.uk/document/ign-4-52-02-issue-1-the-use-of-polymeric-anti-corrosion-barrier-coatings/ 2022-02-05T13:55:34+00:00 https://stag.standards-board.water.org.uk/document/water-industry-guidance-on-undertaking-gravity-sewer-rehabilitation-using-cured-in-place-pipe-cipp-technology/ 2022-04-18T23:24:57+00:00 https://stag.standards-board.water.org.uk/document/ign-4-25-02-issue-2-applications-for-stainless-steel-in-the-water-industry/ 2022-04-21T07:40:46+00:00 https://stag.standards-board.water.org.uk/document/ign-4-32-08-specification-for-site-fusion-jointing-of-mdpe-pipe-and-fittings/ 2022-05-25T15:50:01+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-08-august-1994-issue-2/ 2022-05-25T16:01:01+00:00 https://stag.standards-board.water.org.uk/document/wis-4-34-04-issue-2-specification-for-renovation-of-gravity-sewers-by-lining-with-cured-in-place-pipes/ 2022-05-25T18:40:25+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-08-issue-3-specification-for-the-fusion-jointing-of-polyethylene-pressure-pipeline-systems-using-pe80-and-pe100-materials/ 2022-08-02T06:29:17+00:00 https://stag.standards-board.water.org.uk/document/wis-4-21-02-issue-1-specification-for-mechanical-couplings-and-repair-clamps-for-iron-pipes-for-the-conveyance-of-cold-potable-water-underground-use-for-the-size-range-40-to-1600mm-1-5-to-48-in/ 2022-08-02T06:44:14+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-11-issue-2-specification-for-thermoplastic-end-load-resistant-mechanical-fittings-for-polyethylene-pipes-of-nominal-size/ 2022-08-02T07:02:11+00:00 https://stag.standards-board.water.org.uk/document/operational-requirements-in-situ-resin-lining-of-watermains-version-2-1/ 2022-08-02T07:41:20+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-01-version-3-operational-requirements-in-situ-resin-lining-of-watermains/ 2022-08-02T07:56:49+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-01-version-4-operational-requirements-in-situ-resin-lining-of-watermains/ 2022-08-02T08:13:15+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-01-version-5-operational-requirements-in-situ-resin-lining-of-watermains/ 2022-08-02T08:21:05+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-01-version-6-2-operational-requirements-in-situ-resin-lining-of-watermains/ 2022-08-02T09:20:34+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-03-version-1a-operational-requirements-in-situ-polymeric-lining-of-service-pipes/ 2022-08-02T09:35:47+00:00 https://stag.standards-board.water.org.uk/document/wis-4-35-01-issue-2-specification-for-thermoplastics-structured-wall-pipes-supplementary-test-requirements/ 2022-08-24T05:24:29+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-13-march-1993-issue-1-specification-for-blue-higher-performance-polyethylene-hppe-pe-100-pressure-pipes-nominal-size-90-to-1000-for-underground-or-protected-use-for-the-conveyance-of-water/ 2022-10-05T23:28:43+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-06-issue-1-2-fine-to-flush-specification-for-a-testing-methodology-to-determine-whether-a-product-is-suitable-for-disposal-through-a-drain-or-sewer-system/ 2022-10-10T16:53:58+00:00 https://stag.standards-board.water.org.uk/document/wis-4-01-03-draft-for-public-comment-briefing-note/ 2022-11-23T15:57:26+00:00 https://stag.standards-board.water.org.uk/document/ign-4-00-02-issue-8-1-information-and-guidance-for-the-development-and-amendment-of-specifications-and-guidance-notes-for-the-water-industry/ 2023-03-29T08:41:38+00:00 https://stag.standards-board.water.org.uk/document/ign-4-31-05-issue-1-specification-for-solid-wall-concentric-external-rib-reinforced-upvc-sewer-pipe/ 2023-06-24T14:15:06+00:00 https://stag.standards-board.water.org.uk/document/ign-4-40-01-issue-2-august-1986-selection-properties-storage-and-installation-requirements-for-elastomeric-seals-and-sealing-rings/ 2023-06-24T14:35:58+00:00 https://stag.standards-board.water.org.uk/document/wis-4-52-01-issue-1-specifications-for-polymeric-anti-corrosion-barrier-coatings/ 2023-06-30T10:54:26+00:00 https://stag.standards-board.water.org.uk/document/wis-4-52-01a-issue-1-amendment-to-specification-for-polymeric-anti-corrosion-barrier-coatings/ 2023-06-30T11:03:20+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-19-issue-1-polyethylene-pressure-pipe-systems-with-an-aluminium-barrier-layer-for-potable-water-supply-in-contaminated-land-size-25mm-to-630mm/ 2023-07-31T15:51:33+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-19-issue-3-polyethylene-pressure-pipe-systems-with-an-aluminium-barrier-layer-for-potable-water-supply-in-contaminated-land-size-25mm-to-630mm/ 2023-07-31T16:25:18+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-19-issue-2-polyethylene-pressure-pipe-systems-with-an-aluminium-barrier-layer-for-potable-water-supply-in-contaminated-land-size-25mm-to-630mm/ 2023-07-31T16:34:41+00:00 https://stag.standards-board.water.org.uk/document/wis-4-08-02a-amendment-to-specification-for-bedding-and-sidefill-materials-for-buried-pipelines/ 2023-08-06T09:01:09+00:00 https://stag.standards-board.water.org.uk/document/wis-4-08-02-issue-1-specification-for-bedding-and-sidefill-materials-for-buried-pipelines/ 2023-08-06T09:04:05+00:00 https://stag.standards-board.water.org.uk/document/ign-4-08-01-issue-4-bedding-and-sidefill-materials-for-buried-pipelines/ 2023-08-06T09:12:35+00:00 https://stag.standards-board.water.org.uk/document/ign-4-08-01a-amendment-to-bedding-and-sidefill-materials-for-buried-pipelines/ 2023-08-06T09:17:08+00:00 https://stag.standards-board.water.org.uk/document/ign-4-21-01-issue-3-ductile-iron-pipes-and-fittings/ 2023-08-06T21:59:59+00:00 https://stag.standards-board.water.org.uk/document/ign-4-50-03-issue-1-operating-guidelines-for-the-use-of-site-applied-factory-applied-and-reinforced-factory-applied-polyethylene-sleeving-on-ductile-iron-pipeline-systems/ 2023-08-07T14:41:34+00:00 https://stag.standards-board.water.org.uk/document/ign-4-05-01-2014-guidance-on-allocation-and-calculation-of-costs-for-self-lay-of-water-mains/ 2023-08-07T15:09:20+00:00 https://stag.standards-board.water.org.uk/document/ign-4-12-05-issue-1-specification-for-precast-gunite-sewer-linings/ 2023-08-09T22:44:10+00:00 https://stag.standards-board.water.org.uk/document/wis-4-12-06-issue-1-specification-for-precast-and-insitu-ferrocement/ 2023-08-09T22:58:25+00:00 https://stag.standards-board.water.org.uk/document/ign-4-32-05-issue-1-specification-for-polyethylene-pe-pipes-for-sewer-linings-non-pressure-applications/ 2023-08-10T21:57:19+00:00 https://stag.standards-board.water.org.uk/document/wis-4-34-05-issue-1-specification-for-polyester-resin-concrete-prc-sewer-linings/ 2023-08-27T22:41:37+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-08-issue-4-june-2016-amendment-august-2023-specification-for-the-fusion-jointing-of-polyethylene-pressure-pipeline-systems-using-pe-80-and-pe-100-materials/ 2023-08-29T13:33:06+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-08-issue-4-amendment-1-draft-for-public-comment-specification-for-the-fusion-jointing-of-polyethylene-pressure-pipeline-systems-using-pe80-and-pe100-materials/ 2023-08-29T13:38:55+00:00 https://stag.standards-board.water.org.uk/document/5-series-wis-ign-explanatory-note/ 2023-08-29T14:29:30+00:00 https://stag.standards-board.water.org.uk/document/ign-4-25-02-issue-1-applications-for-stainless-steel-in-the-water-industry/ 2023-08-29T15:12:04+00:00 https://stag.standards-board.water.org.uk/document/wis-4-12-04-issue-1-specification-for-glass-fibre-reinforced-cement-grc-sewer-linings/ 2023-09-06T20:46:20+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-03-version-1-operational-requirements-in-situ-polymeric-lining-of-service-pipes/ 2023-09-06T21:56:59+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-08-issue-4-specification-for-the-fusion-jointing-of-polyethylene-pressure-pipeline-systems-using-pe80-and-pe100-materials/ 2023-09-08T10:46:02+00:00 https://stag.standards-board.water.org.uk/document/ign-4-25-02-issue-2-1-november-2023/ 2023-11-08T10:48:16+00:00 https://stag.standards-board.water.org.uk/document/ign-4-25-02-issue-2-august-2023-applications-for-stainless-steel-in-the-water-industry/ 2023-11-08T10:48:45+00:00 https://stag.standards-board.water.org.uk/document/wis-4-41-01-issue-2-specification-for-flexible-couplings-for-gravity-sewerage-and-drainage-pipes/ 2024-01-05T15:12:57+00:00 https://stag.standards-board.water.org.uk/document/wis-4-13-01-issue-1-specification-for-blast-furnace-slag-cement-for-in-situ-lining-of-water-mains/ 2024-01-11T17:32:41+00:00 https://stag.standards-board.water.org.uk/document/wis-4-26-01-specification-for-leak-tightness-of-covers-for-manholes-and-inspection-chambers/ 2024-02-06T11:15:05+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-01-operational-requirements-in-situ-resin-lining-of-watermains-version-8/ 2024-02-06T11:28:26+00:00 https://stag.standards-board.water.org.uk/document/ign-4-01-03-issue-2-guide-to-pressure-testing-of-pressure-pipes-and-fittings-for-use-by-public-water-suppliers/ 2024-03-28T15:33:41+00:00 https://stag.standards-board.water.org.uk/document/wis-4-26-01-issue-1-specification-for-leaktightness-of-covers-for-manholes-and-inspection-chambers/ 2024-08-25T14:58:18+00:00 https://stag.standards-board.water.org.uk/document/wis-4-32-16-specification-for-butt-fusion-jointing-machines/ 2024-09-17T08:45:22+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-01-version-8-operational-requirements-in-situ-resin-lining-of-water-mains/ 2024-09-18T21:53:21+00:00 https://stag.standards-board.water.org.uk/document/ign-4-11-01-issue-2-vitrified-clay-pipes-and-fittings/ 2024-10-13T22:19:16+00:00 https://stag.standards-board.water.org.uk/document/ign-4-11-02-issue-1-revised-bedding-factors-for-vitrified-clay-drains-and-sewers/ 2024-10-13T22:36:04+00:00 https://stag.standards-board.water.org.uk/document/wis-4-01-03-issue-1-specification-for-hydrostatic-pressure-testing-of-polyethylene-and-polyethylene-barrier-water-supply-pipelines-and-sewer-rising-mains/ 2024-10-14T10:56:44+00:00 https://stag.standards-board.water.org.uk/document/wis-4-02-01-version-7-3-operational-requirements-in-situ-resin-lining-of-water-mains/ 2024-11-26T18:05:55+00:00 https://stag.standards-board.water.org.uk/document/1626/ 2025-05-30T17:11:59+00:00 https://stag.standards-board.water.org.uk/document/wis-4-01-03-issue-1-march-2024-amendment-1-october-2024-amendment-to-specification-for-hydrostatic-pressure-testing-of-polyethylene-and-polyethylene-barrier-water-supply-pipelines-and-sewer-rising/ 2025-05-30T18:25:06+00:00