Funny Mean Birthday Cards, Pudendal Nerve Sleeping Position, Necn Meteorologist Changes, Is Vivian Howard Still Married, Articles W

dead leg. 22. This course covers the Water Supply (Water Fittings) Regulations 1999 (England and Wales) and the Water Byelaws 2014 (Scotland) and is essential for any operators looking to become approved Plumbers, as well as any Gas Engineers and Plumbers looking to become certified Heat Pump Installers.. The WRAS. Danfoss has a wider range of WRAS approved solenoid valves than any other manufacturer. in any building not being a house where a minimum flow rate of 1.2 litres per second cannot be achieved at the appliance; where a pressure flushing valve is connected to a supply pipe or distributing pipe, the flushing arrangement shall incorporate a backflow prevention device consisting of a permanently vented pipe interrupter located not less than 300mm above the spillover level of the WC pan or urinal; no flushing device installed for use with a WC pan shall give a single flush exceeding 6 litres; no flushing device designed to give flushes of different volumes shall have a lesser flush exceeding two-thirds of the largest flush volume; every flushing cistern, other than a pressure flushing cistern, shall be clearly marked internally with an indelible line to show the intended volume of flush, together with an indication of that volume; a flushing device designed to give flushes of different volumes, shall have a readily discernible method of actuating the flush at different volumes; and. In the case of the 3D rule the length L of the dead leg is measured from the pipe wall of the main pipe and put in relation to the diameter of the parting pipe. Navigation Menu. The WRAS - Water Regulations Advisory Scheme logo contains a number of different shapes, including 22 squares, 1 rectangle and 1 circle. noah grimes chicago hawks. One in seven householders now insist on approved plumbers. Manufacturers, Suppliers and Test Laboratories application requirements for WRAS product approval. Mechanical tests. (b)any fluid that is not wholesome water; shall be clearly identified so as to be easily distinguished from any supply pipe or distributing pipe. Typical device which may be used. Changes we have not yet applied to the text, can be found in the Changes to Legislation area. 1.Citation, commencement and interpretation, 3.Restriction on installation etc. WRAS stands for Water Regulations Advisory Scheme. THE HISTORY OF SAUDI ARABIA Alexei Vassiliev NEW YORK UNIVERSITY PRESS Washington Square, N ew York First published in the U.S.A. in 2000 by NEW YORK UNIVERSITY PRESS Washington Square New York, NY 10003 wras dead leg regulationswhat does the bible say about emotional walls. Open Split View. chemicals of low toxicity slight health hazard. fremont youth basketball tournament. Appropriate vent pipes, temperature control devices and combined temperature pressure and relief valves shall be provided to prevent the temperature of the water within a secondary hot water system from exceeding 100C. Does this apply to pipe sections full of water, empty or both? So, the numb leg is usually associated with pins and needles sensation, tingly or burning sensation known as paraesthesia. 10 litres per hour for a cistern serving a single urinal; 7.5 litres per hour per urinal bowl or stall, or, as the case may be, for each 700mm width of urinal slab, for a cistern serving two or more urinals; in the case of a manually or automatically operated pressure flushing valve used for flushing urinals which delivers not more than 1.5 litres per bowl or position each time the device is operated. 8. How to Find the Best Legionella Training Courses, Office Water Testing Regulations Explained in 3 Mins, Expansion Vessel Flushing and Legionella Risks. When you have water passing through pipework on a regular basis, legionella bacteria dont have a chance to settle, breed, and cause problems its flushed away before anything bad can happen. wras dead leg regulationsserenity in cursiveserenity in cursive Catalanisme was constantly boiling over into vio lence. This includes reducing the risks from legionella bacteria with regular uRisk The Old Stables Hyde Hall Farm Buntingford Hertfordshire SG9 0RU, Registered Company: 07614494 VAT Registration: 210577434, Copyright 2022 uRisk | Powered by uRisk, Were Hiring | View our Job Vacancies Here. Based on your location water will be provided by your local water authority. Dead legs tend to come about when modifications have been made to the building and old pipework is abandoned. drinking water - no risk. The purpose of WRAS is to contribute to the protection of public health by preventing contamination of public water supplies and encouraging the efficient use of water by promoting and facilitating compliance with the Water Supply (Water Fittings) Regulations and Byelaws in Scotland. 4,698. (b)a suitable arrangement or device to prevent backflow is installed. The Water Regulations Advisory Scheme (WRAS) approval is required for many drinking water treatment devices and other products sold in the U.K. and Northern Ireland. of water fittings, 12.Approval by the regulator or the water undertaker. desktop goose android. Every water system shall be tested, flushed and where necessary disinfected before it is first used. Then in 1999, the abbreviated WRAS was introduced as a conformance mark, which demonstrates that an item complies with the high standards set out in the Water Regulations of that year. In such instances, this lack of use can lead to water stagnation and increase the risk that the water inside the pipe becomes contaminated with potentially dangerous bacteria, including legionella. Warren Bruce Court Some situations that can cause thigh contusions are as follow; Hitting the player's thigh with the ball or the fellow players leg. The two main variants include: WRAS Product Approval: Whole products such as valves, boilers and showers undergo mechanical and water quality testing. The Water Regulations Advisory Scheme (WRAS) recommends that a dead leg must be no longer than twice the width of your pipe, so a 15mm pipe should have a dead leg no longer than 30mm (although the best option is still to remove it altogether). Therefore dead legs should be short. WRAS is the standard against waste, misuse, undue consumption or contamination of the water supply and must be of an appropriate quality and standard. Tony. latoya and jason cantrell; toilet flange replacement (1) No The WRAS approval scheme, whilst not a legal requirement, is the easiest and most reliable way of showing that a fitting is compliant. (5)Every storage cistern shall be so installed as to minimize the risk of contamination of stored water. It is also recommended that you consider hiring an expert company like Legionella Control International to carry out a full legionella risk assessment of your water systems, to ensure nothing is missed. How to identify and remove them from your system WSG: Water Safety Group . Why should I get my Product WRAS Approved, Terms and Conditions, Code of Practice, Definitions & Impartiality, WRAS Material Approval Guidance and Application, Water Regulations Approval Scheme Ltd Registered No. Operators of Process Plant (and associated inspection bodies) which may have pipe-work dead-legs on toxic, flammable, dangerous to the environment or other critical services. Danfoss has a wider range of WRAS approved solenoid valves than any other manufacturer. England & Wales: the Water Supply (Water Fittings) Regulations 1999 ; Scotland: the Water Supply (Water Fittings) (Scotland) Byelaws 2014 It is a conformance mark which signifies that a particular item conforms to regulations set out in 1999. Misuse. 23.(1)A temperature relief valve or combined temperature and pressure relief valve shall be provided on every unvented hot water storage vessel with a capacity greater than 15 litres. The designer will invariably be responsible for specifying fittings that must be fit for purpose. (2)The requirements of this paragraph shall be deemed to be satisfied in the case of machines having a water consumption per cycle of not greater than the following. 11. Is WRAS Approval a legal requirement? Dead leg mainly occurs when the thigh muscles are compressed against the object, causing the blow and the underlying bone. Paul Millard Water Regulations Advisory Scheme (WRAS) Paul Taylor NSF/BuildCert Paul Weaving Infection Prevention Society Phil Ashcroft Department of Health Dead-leg a length of water system pipework leading to a itting through which water only passes infrequently when there is draw off from The WRAS - Water Regulations Advisory Scheme logo is a Retail, United Kingdom, Water, Advisory and Scheme logo. Contamination. there is no visible leakage throughout the test. This is the original version (as it was originally made). Every water fitting shall be capable of withstanding an internal 6. Progettato da did benjamin mee ever remarry | Sviluppato da, how to calculate calories per serving in a recipe, unique traits of plants, animals and humans, fine for parking in handicap spot in ohio, ranch style homes for sale in riverside, ca, risotto alla salamella mantovana cannavacciuolo. Navigation Menu A contusion is an injury caused by a direct blow or trauma that leads to damage to the muscle and surrounding tissues in the area. shall have instructions, clearly and permanently marked on the cistern or displayed nearby, for operating it to obtain the different volumes of flush; every flushing cistern, not being a pressure flushing cistern or a urinal cistern, shall be fitted with a warning pipe or with a no less effective device; every urinal that is cleared by water after use shall be supplied with water from a flushing device which. Water Regulations Dept: 0191 4196583 & 0191 4196664 Email: Waterregs@nwl.co.uk E-mail: waterregs@nwl.co.uk Pressure Testing of New Water Service Pipework The Water Supply (Water fittings) Regulations 1999 require that all new water systems both above and below ground shall be tested hydraulically prior to commissioning. The designer will invariably be responsible for specifying fittings that must be fit for purpose. Estates and Facilities management: WRAS: Water Regulations Advisory Scheme . The Water Regulations Approval Scheme is an independent UK certification body for plumbing products and materials, helping business and consumers choose compliant products that keep water safe. passes through or under any wall, footing or foundation; is in any other position which is inaccessible or renders access difficult. This makes it harder for any bacteria to remain, and ensures the system is safer than it would otherwise be. This may be disruptive work walls may even have to be removed but its the best way to limit the risk. (3)In this paragraph unvented hot water storage vessel means a hot water storage vessel that does not have a vent pipe to the atmosphere. If you have questions about any of the issues raised above or you would like to speak with one of our legionella specialists please call us today on 0330 223 36 87 or contact us here. This means that the cause is usually because a particular outlet is no longer being used. Legionella Control International For 10&12mm max length WRAS, in the UK is the Water Regulations Advisory Scheme. E-Commerce Site for Mobius GPO Members wras dead leg regulations. don't blame others without knowing the truth. Erroneous measurement. slight change in taste, odour or temperature slightly unpleasant. 18. As a rule of thumb, and according to guidelines, the maximum size of a dead pipe or dead leg should be no longer than 1.5 x its width. No changes have been applied to the text. If you are unsure about removing dead legs safely and to ensure they are done properly, you can hire an expert familiar in dealing with such pipework. The Water Regulations Approval Scheme is an independent UK certification body for plumbing products and materials, helping business and consumers choose compliant products that keep water safe. Provide Feedback The WRAS term has become a 'shorthand' within the UK covering three separate areas. (a)be fitted on the supply pipe close to the hot water vessel and without any intervening valves; and. 16. Is WRAS Approval a legal requirement? They do not apply to certain water fittings in connection with water supplied for non-domestic purposes, or to water fittings lawfully installed before 1st July 1999: regulation 2. If you are unsure of how to get rid of a dead leg, hire a professional plumber to do the task for you. This in turn provoked savage reprisals on the part of the authorities Picasso. (a)for domestic horizontal axis washing machines, 27 litres per kilogram of washload for a standard 60C cotton cycle; (b)for domestic washer-driers, 48 litres per kilogram of washload for a standard 60C cotton cycle; (c)for domestic dishwashers, 4.5 litres per place setting. This requirement is set out in the Health and Safety at Work Act 1974, The Management of Health and Safety Regulations 1999, Control of Substances Hazardous . It is possible to suffer from numbness in one's legs as a sign of conditions restricting blood flow or injuring the nervous system. On my Water Regs course the Manager told us that no dead leg was allowable in theory. WRAS Product Approval Guidance Primary Approval Process Guidance Appendix A - Guidance for non-metallic materials in fittings Appendix C - Sampling Matrix F2 Form. (b)be constructed of materials of such strength and thickness as to resist damage from any external load, vibration, stress or settlement, pressure surges, or temperature fluctuation to which it is likely to be subjected. Proper treatment of the hot and cold system will also reduce the risk. wras dead leg regulations. The dead man had had two wounds, which must have been made by firearms, as he knew from what he had since studied, and which would be the result of the chase on the lake. The Health Technical Memorandum 04-01 Part B defines a dead leg as a length of pipework leading to a fitting through which water only passes infrequently when there is a draw off from a fitting, providing potential stagnation. The WRAS is in effect to prevent the waste, misuse, undue consumption, contamination or erroneous measurement of water. Without having water flushing through it on a frequent basis, a dead leg will collect stagnant water, so the extra pipework needs to be made as short as possible and capped. there is no visible leakage throughout the test; in any other case, where either of the following tests is satisfied. No backflow prevention device needed. The WRAS, or Water Regulations Advisory Scheme, is a subscription-based accreditation body whose membership comprises of all the UKs 26 water suppliers. London. 10 Jul 2020. (b)be so constructed and installed as to. 17. (2)No supply pipe, distributing pipe or pump delivery pipe drawing water from a supply pipe or distributing pipe shall convey, or be connected so that it can convey, any fluid falling within sub-paragraph (1). Should you test your water for Legionella bacteria? Undue consumption. (6)Notwithstanding sub-paragraph (1)(d) a flushing cistern installed before 1st July 1999 may be replaced by a cistern which delivers a similar volume and which may be either single flush or dual flush; but a single flush cistern may not be so replaced by a dual flush cistern. All Guidelines in One Place. We have pulled the following text out of the logo: WW MIMUIIIS AM SMHIG. Sentinel outlets - the nearest and furthest/last outlets from hot and cold water cylinders and tanks. We are improving it and need your input to make this site better. This is the original version (as it was originally made). The UK is divided into multiple water authorities. as a rule of thumb the maximum size of a dead pipe or dead leg should be no longer than 1.5 x its width. The Regulators Specification provides test and acceptance criteria for many water fittings in the form of Test Code Sheets, which are available on the WRAS website (Regulators Specification Search). a 1D rule, which can also be considered appropriate in relation to EN1672-2. In fact, the Water Regulations Advisory Scheme (WRAS) recommends that a dead leg must be no longer than twice the width of your pipe, for example, a 30mm dead leg for a 15mm pipe. a float-operated valve, or some other no less effective device to control the inflow of water, which is, protected from damage and contamination; and, prevents contamination of the water supply; and. Its a strange phrase, but as well as that, it can cause a lot of problems in terms of your risk of legionella bacteria, so its something you need to take seriously. Ships Captain. WRAS helps prevent contamination of public water and encourages its efficient use by helping with Water Supply Regulations compliance . Dead legs may sound like something you get after sitting for too long, but when they are found in water systems they can present a significant risk to people as they encourage the stagnation of water and the growth of potentially dangerous bacteria such as legionella. Dependent on the legislation item being viewed this may include: Use this menu to access essential accompanying documents and information for this legislation item. 26. (c)a distributing pipe drawing water exclusively from a storage cistern supplying wholesome water. Reaction score. The Water Regulations Advisory Scheme (WRAS) is a conformance mark that demonstrates that an item complies with the high standards set out by the UKs water regulations and by-laws. If you are unsure about removing dead legs safely and to ensure they are done properly, you can hire an expert familiar in dealing with such pipework. (2)Where a supply pipe or distributing pipe provides water in common to two or more premises, it shall be fitted with a stopvalve to which each occupier of those premises has access. are western hognose snakes legal in the uk risk assessment for cleaning pigeon droppings Dead leg mainly occurs when the thigh muscles are compressed against the object, causing the blow and the underlying bone. pressure flushing cistern means a WC flushing device that utilises the pressure of water within the cistern supply pipe to compress air and increase the pressure of water available for flushing a WC pan; pressure flushing valve means a self-closing valve supplied with water directly from a supply pipe or a distributing pipe which when activated will discharge a pre-determined flush volume; trap means a pipe fitting, or part of a sanitary appliance, that retains liquid to prevent the passage of foul air; and. Kbbdaily - the 1810 company gains wras The 1810 Company's range of chrome and brushed steel kitchen taps have gained certification from the Water Regulations Advisory Scheme WRAS. Trade Customer Register for Trade Discounts. wras dead leg regulationsfederal large rifle primers. for domestic horizontal axis washing machines, 27 litres per kilogram of washload for a standard 60C cotton cycle; for domestic washer-driers, 48 litres per kilogram of washload for a standard 60C cotton cycle; for domestic dishwashers, 4.5 litres per place setting. the operating pressure of the expansion valve. Some situations that can cause thigh contusions are as follow; Hitting the player's thigh with the ball or the fellow player's leg. Dead-leg - a length of water system pipework leading to a fitting through which water only passes infrequently when there is draw-off from dead leg distances, particularly to the point of most frequent use. 4. dead leg means a pipeline section open to fluids on one end and closed at the other end which subsequently has no flow. About US; Channels; Contact; Packages; Tata sky; Main menu wras dead leg regulations. Provide Feedback RICE stands for Rest, Ice, Compression, and Elevation. No water fitting shall be installed, connected or used which 7. 7. Start your application to get WRAS Approval for you product today. (f)an appliance which is used in medical, dental or veterinary premises and is designed or adapted for use with an unplugged outlet. It is generally created when modifications have been made to the system and piping removed, leaving a small leg that is capped. Water supply systems shall be capable of being drained down and be fitted with an adequate number of servicing valves and drain taps so as to minimize the discharge of water when water fittings are maintained or replaced. wras dead leg regulations. In snowboarding, skiing, etc., the thigh hits against a tree or hard object. wras dead leg regulationswilshire country club famous members. Practical. View the full directory of WRAS Approved products and materials for the last 5 years. Please don't spam. Since its creation in 1999 the WRAS The tests arising from these considerations can be grouped into two general categories: mechanical tests and material or hygienic tests. While this scenario is not ideal, if it cannot be avoided you should consider how you can make the dead leg less dangerous if it needs to be retained within the water system. Every pipe which conveys water to a drinking vessel for animals or poultry shall be fitted with, (a)a float-operated valve, or some other no less effective device to control the inflow of water, which is, (i)protected from damage and contamination; and, (ii)prevents contamination of the water supply; and. sloth encounter delaware; restoration hardware dining table and chairs; Background: WRAS training covers the Water Regulations (1999) and is a necessary requirement for qualified plumbers (minimum Level 2) looking to join their local water authorities Water Industry Approved Plumber Scheme, one of the plumbing competent person schemes (CPS) and Microgeneration Certification Scheme (MCS) registration bodies. If for any reason, it is not possible to remove the dead leg, you will need to do regular risk assessments to ensure water safety. the whole system is subjected to the test pressure by pumping for 30 minutes, after which the pressure is noted and the test continues for 150 minutes without further pumping; the drop in pressure is less than 0.6 bar (60kPa) after the following 30 minutes, or 0.8 bar (80kPa) after the following 150 minutes; and, Prevention of cross connection to unwholesome water, rain water, recycled water or any fluid other than water supplied by a water undertaker; or, a water heater where the expanded water is permitted to flow back into a supply pipe, or. Since 2021 the company and its services were split into two entities; WaterRegsUK and Water Regulations Approval Scheme with the latter keeping the WRAS logo and an approvals process for water fittings. Contractors will have removed most of the pipework, but if any remain, it is capped off and this is a dead leg. Based on 1 documents. By Rick Andrew Although there were previous regulations, requirements and testing of water supply fittings existing in the UK back to the 1980s, it was the UK water supply regulations of 1999 that gave rise to the scheme currently known as the Water Regulations Advisory Scheme (WRAS). Plus, you may be able to spot them on schematics; if you know that there used to be a bathroom or pipework somewhere and then things were changed around, its worth checking that area out just in case dead legs remain. how to get to disney springs from boardwalk / bb dakota plaid jacket canada / wras dead leg regulations. 2017-2021by MSK Adaptive Contact office@assuredwater.co.uk Office: 1 Bromley Kane, Chislehurst, Kent BR7 6LH, Water hygiene, water treatment & Legionella control specialists, Legionella Control: How To Deal With A Dead Leg, When you have water passing through pipework on a regular basis, legionella bacteria dont have a chance to settle, breed, and cause problems its flushed away before anything bad can happen. (2)No vent pipe from a secondary circuit shall terminate over any combined feed and expansion cistern connection to a primary circuit. Country. Check for approvals by Dead leg mainly occurs when the thigh muscles are compressed against the object, causing the blow and the underlying bone. (1) No Dead-leg: A pipe supplying water to a fitting through which water flows only when there is draw-off from the fitting. a suitable arrangement or device to prevent backflow is installed. Ideally, you should remove a dead leg entirely. thermal insulation to minimize freezing or undue warming. United Kingdom. (a)an overflow pipe, with a suitable means of warning of an impending overflow, which excludes insects; (b)a cover positioned so as to exclude light and insects; and. (1) Subject to the following provisions of this paragraph, every water system shall contain an adequate device or devices for preventing backflow of fluid from any appliance, fitting or process from occurring. According to WHO: TRS 929 (Page 54), dead-leg should not be more than 1.5 times 3 times (updated in TRS 970 page 83) of internal diameter (ID) of the pipe . A dead leg most commonly occurs in the upper leg and is also known as a corked thigh or a quadriceps contusion. (iii)there is no visible leakage throughout the test. The WRAS. According to WRAS guidelines, the length of a dead leg should now be limited to one and a half of the pipes diameter in an attempt to decrease the risk of bacterial growth. WRAS rules apply to any water fitting that, once installed, will carry water from the public mains water supply. Why you should always start with a legionella risk assessment. 22.(1)Every expansion valve, temperature relief valve or combined temperature and pressure relief valve connected to any fitting or appliance shall close automatically after a discharge of water. Since its creation in 1999 the WRAS The course includes a comprehensive guide Apply frozen ice or pea bags on the swollen area. 1895-96. But up to about 150mm on 15 mm was short enough that flow turbulence would move the water in it and not create any danger. (2) Paragraph (1) does not apply to-. wras dead leg regulations wras dead leg regulations. 10 Jul 2020. In rare circumstances, a water pipe is used only occasionally and therefore cannot be removed, in which case you need to regularly flush water through it in order to help prevent the legionella bacteria from being able to take hold. Chemical Sanitization of RO Systems and Biofilm Removal. WRAS Material Guidance: Version 4.4: Issued 21st November 2016 4 7.11 Lubricants 21 7.12 Graphite based products 21 7.13 Products containing antioxidants 21 7.14 Solvent cements 22 7.15 Waterstops 23 7.16 Bituminous Based Products 23 7.17 Anaerobic Adhesives 23 7.18 Cementitious products incorporating blast furnace slag 23 8 SITE APPLIED PRODUCTS 24 No backflow prevention device needed. Only a fully-trained specialist will understand the complexities of the system to ensure the dangers of legionella and other bacteria are properly considered. Ships Captain. (5)A backflow prevention device is adequate for the purposes of paragraph (1) if it is in accordance with a specification approved by the regulator for the purposes of this Schedule. The WRAS, or Water Regulations Advisory Scheme, is a subscription-based accreditation body whose membership comprises of all the UKs 26 water suppliers. (i)the whole system is subjected to the test pressure by pumping for 30 minutes, after which the pressure is noted and the test continues for 150 minutes without further pumping; (ii)the drop in pressure is less than 0.6 bar (60kPa) after the following 30 minutes, or 0.8 bar (80kPa) after the following 150 minutes; and. 10.(1)Every supply pipe or distributing pipe providing water to separate premises shall be fitted with a stopvalve conveniently located to enable the supply to those premises to be shut off without shutting off the supply to any other premises. Country. As a rule of thumb, and according to guidelines, the maximum size of a dead pipe or dead leg should be no longer than 1.5 x its width. (5)Until 1st January 2001 paragraphs (1)(a) and (d) shall have effect as if they provided as follows, (a)every water closet pan shall be supplied with water from a flushing cistern or trough of the valveless type which incorporates siphonic apparatus;. Original (As Enacted or Made): The original version of the legislation as it stood when it was enacted or made. 29. The cistern shall be of an appropriate size, and the pipe connections to the cistern shall be so positioned, as to allow free circulation and to prevent areas of stagnant water from developing. Paul Millard Water Regulations Advisory Scheme (WRAS) Paul Taylor NSF/BuildCert Paul Weaving Infection Prevention Society Philip Ashcroft Department of Health Dead-leg a length of water system pipework leading to a fitting through which water only passes infrequently when there is draw-off from dead leg distances, particularly to the point of most frequent use. A drinking water tap shall be supplied with water from, (b)a pump delivery pipe drawing water from a supply pipe; or. If you are unsure about removing dead legs safely and to ensure they are done properly, you can hire an expert familiar in dealing with such pipework. As a rule of thumb, and according to guidelines, the maximum size of a dead pipe or dead leg should be no longer than 1.5 x its width. Damage to the Nervous System. For 10&12mm max length dead leg means a pipeline section open to fluids on one end and closed at the other end which subsequently has no flow. Figure 1. Amazon.co.uk: wras water regulations guide: books Excerpt Page 149: Water Fittings) Regulations 1999 The WRAS Water Regulations Guide See a random page in this book. Erroneous measurement. This may be disruptive work walls may even have to be removed but its the best way to limit the risk. (i)the whole system is subjected to the test pressure by pumping, after which the test continues for one hour without further pumping; (ii)the pressure in the system is maintained for one hour; and. (ii)shall have instructions, clearly and permanently marked on the cistern or displayed nearby, for operating it to obtain the different volumes of flush; (h)every flushing cistern, not being a pressure flushing cistern or a urinal cistern, shall be fitted with a warning pipe or with a no less effective device; (i)every urinal that is cleared by water after use shall be supplied with water from a flushing device which.