GOVERNMENT OF DUBAI
Date : 23-09-08 Dubai Electricity & Water Authority (Consumer Service Department- Ref: IMS I W-NOC I 01) IMS (Intelligent Metering System) I. Requirements related to the Installation of Domestic Water Meters:1. Domestic water meters shall not be installed outside or on roof of the buildings without proper protection from direct sunlight, high tempera~ure, humidity, condensation, corrosion etc. 2. For ground installations such ~s yilla~. s~ec;ts J~tc;,, .water meters shall be installed in m~ter cabinets on the ol.Jtsid~ wall, -Of . the premises. .·,.. ·::".·
3. In case th~ .ril~ter is to be in~talled in a chamber/manhole, meter shall b~ jnstalled in horizontal position and the chamber shall be constrOcted as p~r DEWA approved specification (the guidelines giy¢!1 for 'instaHation of Bulk Water Meters' shall be strictly followed for·this type ofconnections). 4. For buildings water meters shall be installed in meter rooms. 5. All-time maintenance of the meters shall be taken into account while installing new meters. 6. Pipes and fittings shall be high quality, heavy duty, non-toxic, non· corrosive material approved by DEWA. 7. Isolation valves shall be installed before and after the meter to stop water flow from both directions. 8. Both valves should be fully open while the meter is in service and no control of flow should be made by regulating the inlet valve. 9. A threaded joint/union shall be provided after the meter in buildings to make length adjustments for meter connection in accordance with the meter length. 10. Sufficient space (at least 20cm.) shall be provided between and around water meters to permit installation, reading, servicing and removal of the meters. 11. Meters shall be installed at a height of 120cm from the floor/ground level.
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GOVERNMENT Of DUBAI
12. The pipes shall be adequately anchored to avoid displacement of the same while removing the meter.
13. Meter shall be protected from the risk of damage by shock or vibration induced by the surroundings.
14. Meter shall be protected from the risk of damage by extreme water/ambient temperature and humidity.
15. Water meter and its associated fittings/pipes shall not be part of electrical earthing.
~r .·downstream the meter and sudden variation of flow/pressure shall be avoided.
16. No water pump shall be installed . upstream
17. Meter shall .6~ easily accessible for reading - without the use of mirror, l;;ldder etc.
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18. Utm:o~t care shall be taken to install the meter as per the manufacturer's 'Installation Instructions' supplied with the meter. 19.Meter shall be installed in accordance with the arrows shown on the . .,, body and register shall be arranged in the most convenient position for reading. 20. Meter should not be allowed to fall or receive impact damage as this may affect the operation and accuracy of the meter.
2.1 . All connections shall be checked thoroughly for leak after installation of the meter.
22. The meter room shall be suitable for the Technician to stand straight and remove/refix the meter easily. 23. Meter room shall have adequate illumination to read the meter and to carryout maintenance of the meter easily.
24. Means such as A/c. No. & Flat No. plates shall be affixed immediately adjacent to the meter (not on the meter) for identification. 25. While connecting a new meter or changing a stop/defective meter the pipeline shall be thoroughly flushed to remove any dirt inside the meter and fittings.
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26. There shall be drain in the meter room to remove the flushed water. 27. Meter room flooring shall be clear from obstacles, and shall be even, rigid and not slippery. 28. Water from the meter room should not flow to the passage or other floor areas. · 29. The electrical fittings and all other items in the water meter room shall be waterproof. 30. The 'Water Meter Room' plate in Arabic and English language shall be affixed on the door and meters shall be accessible to DEWA staff at any time .
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GOVERNMENT OF OUBAI
Dubai Electricity & Water Authority (Consumer Service Department- Ref: IMS I W-NOG I 02) IMS (Intelligent Metering System) II. Requirements related to the Installation of Bulk Water Meters:1. Bulk water meters shall be installed in Meter Chambers in horizontal position in accordance with the ·arrows shown on the body and the register shall be arranged in the most convenient position for reading. Meters should not be allowed to fall or receive impact damage as this may affect the operation and accuracy of the meter. Pipeline shall be flushed thoroughly before the installation of the meter.
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2. The meter shall be installed oh straight length ofplp~'th~ ,$Cl,(l1e diameter as the rneter and equivalent in length to 10 times th_e~''> meter diameter .afthe inlet and 5 times the meter diameter at the · ·· outlet. 3. Any typ~ of disturbances/obstruction such as flange joints, partly clo~'ed valve, bends, tees etc., upstream or downstream of the meter shall be avoided. 4. The meter shall be installed at the lowest point to ensure it is fully flooded at all times to avoid air flow through the meter. .· 5. Full-bore valves shall be fitted upstream and downstream the meter to enable the meter to be removed for maintenance works. 6. The valve before the meter shall be fully open at all times and any regulation of flow shall be carried out on the valve after the meter. 7. A Strainer shall be fitted on the inlet side of the meter to protect the meter. 8. Utmost care shall be taken to install the meter as per the manufacturer's 'Installation Instructions' supplied with the meter. 9. All connections shall be checked thoroughly for leak after installation of the meter. 10. The meter shall be installed in a chamber (meter shall not be buried) suitable in size for fitting in, maintenance, removal and in situ dismantling of the meter. 11. The meter body shall not touch on ground and proper support shall be provided. Care shall be taken not to cover the flange or any part of the meter by concrete.
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12. The meter chamber shall be waterproof, clear of obstacles, even, rigid and not slippery. There shall be a sump pit inside the chamber , for draining water. 13. GRP ladder shall be provided permanently for easy access to the meter. 14. Meter chamber shall be protected from getting buried by sand, flooding, rainwater, and parking the vehicles on the chamber. 15. Meter chamber cover shall be clearly and indelibly marked with DEWA logo and the wording 'Water Meter' on the cover in Arabic and English language.
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Dubai Electricity & Water Authority (Consumer Service Department- Ref: IMS I W-NOC I 03) IMS (Intelligent Metering System) Ill.
Requirements related to the Water Metering Cabinet:-
1. The size of water meter cabinet shall be 600mm height, 400mm width and 190mm depth.
2. The
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3. The cabinet door shall be with SS316 hinges and have 180° door opening.
4. Door locking system shall be with padlock as shown in the drawing.
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5. Cross ventii(Jtipilholes shall be provided at top and bottom. corners . with wire ~~~sh and protection cover.
6. A handlEfshall be built in within the cabinet door near the lock. 7.
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type and the meter register shall be clearly visible through the window . :'f6r reading the meter easily, without the use of any torchlight etc.
8, The window shall be located in the upper middle part of the door so that the meter register will be visible when the adaptor and stopcock at the meter inlet are fitted inside the meter cabinet. Pipe inlet hole shall be 75mm dia at the bottom centre part of the cabinet. <10.pipe outlet shall be 40mm dia. at the right side of the cabinet. 1 f:Two numbers drain holes 25mm dia. shall be provided at the front side .bottom of the cabinet with wire mesh protection. 12.The isolation valve after the meter shall be inside the meter cabinet and the outlet pipe shall be outside the meter cabinet to avoid obstruction. 13,AJhreaded joint/union shall be provided after the downstream isolation v~Jye to make any length adjustments for meter connection in accordance with the meter length. 14. The (face to face) distance between the downstream isolation valve and union shall be 1OOmm.
GOVERNMENT OF DUBAI
15. While installation sufficient space shall be provided around the water meter inside the cabinet to permit servicing, in situ dismantling and removal of the meter easily without any obstruction. 16. The meter cabinet shall be fixed at standard height and the meter shall be at a height of 1200mm so that the meter can be read/repaired/replaced/ removed easily without the use of any ladder etc.
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GOVERNMENT OF DUBAI
Dubai Electricity & Water Authority (Consumer Service Department- Ref: IMS I W-NOC I 04) IMS (Intelligent Metering System) IV. Communication: Field Requirements of Civil, Electrical, etc. related to Water Meter & Data Concentrator
i) Residential and Commercial Buildings:-
A. 1) IP 55, PVC box in water metering room (each floor) with mounting plate for fixing the water meter communicationinterfacing units. - Size of the IP 55, PVC box shall be minimum 50cm (L) x 40cm (W) x 15cm (D) (for up to 1ONos. water meters). - Mounting height of the PVC box shall be minimum 2 mtrs. from the finished floor level and clearance from. the water service points shall be minimum 2 mtrs, if no separation I partition is available between the same. 2) Electricity connection, single phase with flex outlet supply in the above PVC box for the PLC (power line carrier) communication with the water meter communication interface units. - Flex outlet supply shall be connected to the same area SMDB, through a separate PVC conduit with 3CI2.5 sq.mm cable and protective devices. - Protective devices shall be fitted in the SMDB cabinet with 30mA, 2 poles ELCB & 6Amps SP MCB set. - Clearance between electricity and water service points shall be minimum 2 mtrs, if no separation I partition is available between the same.
B. 1) IP 55 enclosure (GRP type) on the wall or inner side of the compound wall adjacent to the main water meter chamber with mounting plate for fixing the main water meter communicationinterfacing unit and calculator part. - Size of the IP 55 enclosure shall be minimum 40cm (L) x 30cm (W) x 20cm (D) - Mounting height of the IP 55 enclosure shall be 2 mtrs. from the finished floor level
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Electricity connection, single phase with flex outlet supply in the above IP 55 enclosure on the wall or inner side of the_ compound wall for PLC (power line carrier) communication with the main water meter communication-interfacing unit. - Flex outlet supply shall be connected to the ground floor 08-LL, with armored cable and protective devices. -Armoured cable size shall be minimum 3 core, 2.5 sq.mm -Protective devices shall be 30mA, 2 poles ELCB + 6Amps SP MCB set. 3) 2Nos. PVC conduits between the main water meter chamber and the above IP 55 enclosure on the wall o~ inner side of the · · i '··L ..... compound wall with puiiJng rope~' - Size of the PVQJ.~~c)rtduits shall be minimum 25mm for length up td 6 mtrs and minWilum 32mm required for length more than 6 mtrs.
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El~;9tfi~ity connebtion, three phase with flex outlet supply for each qgta concentrator in LV room from the respective· LV panels with $'C/2.5sq.mm cable and protective devices .
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?Location of the data concentrator in LV room shall be adjacent to · the entrance for direct access. - l\llinimum space requirement for one data concentrator is 40cm (1-1) X 30cm (W). - Flex outlet supply for data concentrator shall be installed at a height of 125cm from the finished floor level - For two or more data concentrators, clearance between the 3ph. . flex outlet supply from the respective LV panels shall be minimum ·. ··.····30cm. ; . Protective devices shall be provided in the LV panel-metering compartment with 4Amps fuse + carrier set - 3Nos & neutral connector. 2) PVC conduit between MDF I main telephone room and LV room with necessary junction boxes and pulling rope for interconnecting the telecommunication cable with data concentrator. · - Size of the PVC conduit shall be minimum 32mm for length up to · 6.111trsartd minimum 50mm required for length more than 6mtrs.
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- Size of the PVC junction boxes shall be minimum 20mm x 20mm. -Junction box in the MDF I main telephone room shal_l be adjacent to the main telephone control panel. -Junction box in the LV room shall be adjacent to the data concentrator location. - Additional junction boxes shall be provided in every 1Omtrs interval, if the distance between the MDF I main telephone room , and LV room is more. ii) Villa Complex:A. 1) 25mm PVC conduit between the el~qtrical.and.Mf.c:tt~r .metering cabinets of respective premises with necessary juri6tioh:.t:?oxes and pulling rope. · · · < •• ·
- Heavy duty,,P.VC conduit SQCJ.II be provided for the under ground installatiqnf (Refer Annexure: 5) · · - Additiqn~I/PVC junction boxes (size: 100mm X 100mm) shall be proviqed in every 6mtrs interval, if the distance between the ele.9tricity and water metering cabinets is more..
Not~:;.::~eferthe attached annexure: 1, 2, 3, 4, 5 & 6.
GOVERt>.1MENT Of DUHA!
l.b Meter Room Details:The following Rules and Conditions are to be followed for water Meters Rooms:• • • • • • • • • • • • • • • • • • • • • •
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Carrying out the life long maintenance of water meters is to be taken into account while providing new connections. Sufficient space (at least 20cm.) shall be provided between and around water meters to permit installation, reading, servicing and removal of the meters. Meters shall be installed at a height of 100 - 120cm from the ground/floor level. The meter room shall be suitable for the Technician to stand straight and remove/refix the meter easily. The pipes shall be adequately anchored to avoid displacement of the same while removing the meter. Meter shall be protected from the risk of damage by shock or vibration induced by the surroundings. Meter shall be protected from the risk of damage by extream water/ambient temperature and humidity. . Water meter and its associated fittings/pipes shall not be part qf electrical earthing. · No water pump shall be installed upstream or downstream the meter and sudden variation of flow/pressure shall be avoided. Meter shall be easily accessible for reading -without the use of mirror, ladder etc. Meter room shall have adequate illumination to read the meter and to carryout the maintenance of the meter easily. Means such as Ale. No. & Flat No. plates shall be affixed immediately adjacent to the meter (not on the meter) for identification. There shall be isolation valves installed before and after the meter to stop water flow from both direction. Both valves shall be fully open while the meter is in service and no control of flow shall be made by regulating the inlet valve. While connecting a new meter or changing a stop/defective meter the pipeline shall be thoroughly flushed to remove any dirt. False Ceiling to be provided in the water-meter room to keep the room neat and clean. There shall be drain in the meter room to remove the flushed water. Meter room flooring shall be clear from obstacles, and shall be even, rigid and not slippery. Water from the meter room should not flow to the passage or other floor areas. The electrical fittings and all other items in the water meter room shall be water proof. The 'Water Meter Room' plate shall be affixed on the door and meters shall be accessible to DEWA staff at any time.
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Note:- Threaded type union is proposed for the purpose of replacing the meter with different meter lenghts and face to face distance between gate valve and union shall be minimum 1OOmm (1 Ocm).
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GOVERNMENT OF DUBAI
IMS (Intelligent Metering System) Project Arrangement of Water Metering Cabinet ~n Compound Wall
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-The water meter cabinet shall be manufactured with GRP material. (Box- Size 400 x 600 x 200 ) -Meter Viewing Perspex (Min: 5mm thickness) with Hinged Type Protection Cover.
- Threaded type union is proposed for the purpose of replacing the meter with different meter lengths. - Minimum 2 mtr. clearance shall be maintained between electricity and water service points.
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IMS (Intelligent Metering System) Project Villa Complex - Layout for Conduit Arrangement between Electricity & Water Metering Cabinets (Option - 1) Electricity Metering cjJ)i~et Water Metering Cabinet (GRP Type)
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GC>VERNJV\ENT C>F DUDAI.
CONDITIONS FOR BUILDING PERMIT I CONSTRUSTION AND.WATER CONNECTION:
The position of pipelines marked in the drawings, is approximate and not to scale. 15. Concrete thrust block behind Tee, bends and reducers etc, shall be protected adequetly during the work even if the same is not reflected in the drawings. Trial excavation shall be carried out to ascertain the actual location of pipelines, before commencement of work in the area. I 6. The Contractor is to protect and maintain all house connections polyethylene lines located on site during excavation as per DEWA standards/specs. These polyethylene lines also will 2. In addition to trial excavation to locate the existing pipes marked in our NOC be considered as a part of our water ~stem and damage to these lines will be charged drawing the Contractor should make more trial excavation at reasonable intervals according to our regulation. upto 2 mts. around the plot and across the working area in order to ensure that no water pipelines unmarked exists at site. The pipelines, if any located by such 17. The size of water meter/water connection will be decided only after getting details of daily excavations shall be noted to DEWA These pipes shall be considered as part of water requirement/ storage capacity. our system and damage to any of these pipes will be charged according to our 18. No pipeline shall be left to run under asphalt road I parking. Wherever the existing pipe line regulations. falls within the proposed asphalt road/paving, the same shall be re-located in proper 3. The Contractor will be responsible for all the consequences of such damages to corridor. our pipeline due to carelessness, will be charged as per Act (2)1994 ofGovt. of 19. DEWA-WD will provide the connection at point 'WM' as marked in the drawing. Please .. Dubai, and as per DEWA rule. arrange the internal piping upto that point. Where. point 'WM' is not marked.; the actiiill' · 4. No Heavy machinery or viberating equipment, temporary structure like point of connection if any, will be decided by the House Connection Division at the time of portacabin, building materials etc. should not be placed above or near the pipeline site inspection for estimate prirpose: and caving under the pipeline shall not be allowed. Septic tank, soakaway or any Please enswe .100% ~ir~;uation of water in all storage tanks to avoid any Health Hazard .. permanent structure should be at least I.Sm away from th pipeline. to provide storage reservoirs for 24 requirement of water for the · 5. No plantation, street light pole, fence posts, crash barrier and road sign boards ets :tl. It,i~:ffiaria~~IY ·•• - ' - ---shall not be erected on top of the existing pipelines. Corridor re.serv~d forwater lines shall be left free of other services, even if no pipe lines are 6. Concrete thrust block behind Tees, bends & reducers etc, shall be protected. laid under the scope ·of this work. Incase such services are found laid in our corridor without adequetly during the work even if the same is not reflected in the dt:awings: ourp.rior approval, the same shall be diverted at your cost. 7. Existing valve chamber should be accessible at all times and ,shoUI.a ;.;;t·be buried ExiSting valve chambers are to be re-located or raised I lowered as per the proposed final during construction activity. Any valve chamber if found buri&l'at later stage, will level and offsets. be exposed by DEWA and the cover level will be adju.~t~';toh!atchwith the 24. Existing valve chamber should be accessible at all times and should not be buried during ground level and the cost of these works will be debitl\ii.il/the Consultant I Contractor. •,. · · 7 construction activity. Any valve chamber if found buried, during construction or at later stage, will be exposed by DEWA and the cover level will be adjusted to match with the 8. The cost oftransrerring the existing house conp,~6~, necessitated due to ground level and the cost of these works will be debited to Dubai Municipality. cancellation I diversion of existing pipelines :Wi1t!5l: charged to the contractor it work was carried out by DEWA :s;:.~;} . . ·· · 25. Wherever the existing water mains are not in the proper corridor, the work of shifting the pipe lines to proper corridor must be included in~!: scope of work of the present contract. 9. If any pipeline marked in the drawing coula·'£ti'be located in trial excavation, the The pipe line positions shown in our drawings are indicative ouly. same shall be brought to our attention for'a~§l~ting to !.ocate them before 26. Any temporary diversion or isolation of pipe lines carried out for temporary road /services commencement of work. .··;:••'; · ··... diversion, shall be reinstated to it's original position I in allotted corridor. 10. The Contractor shall ascertain exact loca.ij¥ and depth;of))EWA water mains by trial excavation and take all precautionarX.ineasures sudi as sheet piling, shoring, 27. As-built drawings must include the following details: etc., for deep excavation and loose grollnd stratii.Ifth'e:Contractor is not able a) Exact location of pipelines with offsets from Building Line and Edge of road or center to locate any pipeline, our Engineers shall be co~tacted•f()r:assistance. Any -~ line of road near to pipe line. damage to our pipeline due to carelessneSs, will: be charged as per DEWA's rules b) Pipeline level from the GL, at every 50 m. and regulations. . · c) Chainage of tappings/ ferrules for house connections including the route of service II. We reserve our right to excavat in the area wherevei: req'Uii'ed for any future pipes (polyethylene pipe) upto the consumer meter. tapping I maintenance I re(Jair of work. . · . ·. . · d) NC nos. of the relevant House Connection, whic~can be obtained in liaison with 12. For existing distribution pipe,.the maximuin c:Ovet.allo«;a'b!ds l.S m from the DEWA. . ' finished road level and the iniri. is I meter. · e) Location of all valves I valve chambers, both existing and newly installed. 13. A minimum cover of!.OO m forpipes < 300 iiun >#d l.Smf!'irpipes>300 mm dia should be kept constantly from top of pipe to the finished road level. The 28. The Contractor I Consultants shallliasie with our GIS section for final format, legend and other details max. cover allowed is 1.5 m and 2.0 mo.respectively for sllid pipeline. If ground is undulating, levels of pipe are to be decided at site, ii1 co
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30. 3L 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46.
47. 48.
In case of breakage/leakage of main pipe line/polyethylene pipe the Contractor has to inform DEWA as soon as possible on Tel. 991 (24 Hrs.). The Contractor is not authorized to repair the polyethylene line and isolating DEWA line by closing the valve. All the materials related to the water works are subject to DEWA approval befure commencement of the water line works. The ContraCtor/ Consultant are ad vised to liaise with any Consultant/Contractor who is engaged with any other project for DEWAID.M. in the area prior to commencement of your work. A joint site visit with DEWA's Engineer shall be arranged before commencement of the work. The cost of transferring the existing house connections, necessitated due to canceJiatiol)f diversion of existing pipe lines will be charged to the Contractor if the work w.S eairied out by :DEWA. We reserve our right to excavate in the area wherever required for any future tapping I maintenance I repair works Existing PVC ducts shall be extended outside the proposed con5truction area. Longitudinal arid cross section showing the cut/ fill with respect to the iildsting groimd level, and depth ofpipeline shall be submitted to DEWA to asses~' arid advise if any diversion ofpipeline5isrequired · · No trees, plants shrubs shall be planted within 3m. on either side of the water pipelines. Copy ofN.O.C. to be available at site. This N.O.C. is valid upto 6 months only from the date ofissue:Contra.ctc!i'lJIIust revalidate the N.O.C already issued to Consultant prior to the'i:ommenc~nie.lit~f excavation work.. · No structures like other services manholes, soakaway pits gullies etc., sh!lilld:.be constructed over the pipelines. Any underground or ground level reservoir capacity to store about 75% of total storage mentioned above must be provided. DEWA will not be held responsible for uninterrupted supply ofwater if the said reservoir is not provided. In case where underground I ground level reservoir is common for fire- fighting and domestic purpose, water should be drawn out from a tapping which is lScms. Above bottom level of tank for both fire-fighting and domestic purpose minimum. The height of the entry point shall not be more than 3 meters from the ground floor level. A Gound level I Under Gro\&nd water tank must be provided with a Minimum capacity of75% of the total requirement. ' Direct pumping of water from supply lines will not be allowed. Water must be pumped from underground I ground level reservoir only. DEWA recommend Sodium Hyprocholorite as the chemical for the disinfectant for pipelines. It is~ to mix and litre to cubic meter of water gives and advised dose of 50 PPM. A prior approval from DEWA is required i(any chemicals are using for the same purpose. In case where the network does not exist in the area, water supply can be assured only .. when network is completed. ·· Shop drawings shall be got approved from DEWA, before commencement
49. Green Building Regulations shall be implemented. Refer- page 2 of2
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G<:>VIERNIVtENT <:>F ·DUHAI'
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F.or all new. buildings: A. Water-conserving fixtures must be installed meeting the criteria in Table 601.01 Table 601.01 (1)
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CONDIDONS FOR BtiJLDlNG··PERMIT I CONSTRUSTION AND WATER CONNECTION:
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For all new buildings: . '·' ,., ..:' ·'. . Potable water supplied by Duliai Electricity and Water Authority (DEWA) must not be used for heat rejection purposes. Where cooling towers are used, Treated Sewage Effluent (TSE), seawater or recycled water must be used to meet the water demand for all heat rejection purposes. Secondary water sources must be approved by Dubai Municipality or DEWA. A separate tOtalizing meter must be fitted on the water supply to individual cooling towers .and a daily log of water use must be kept. •
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Public Buildings (Mandatory)
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1 Liter per flush o~ wa~rless B. Dual Flush toilets must be used C. Automatic (proximity detection) I push button faucets must be installed in all public facilities. D. Cisterns serving single or multiple urinals in public, commercial, and _industrial buildings must be frtted with manual or automatic flush contro.ls that are responsive to usage pattarns. Only sanitary flushing is acceptable during building closure or shutdown (including overnight); and E. Faucets installed as a component of a specialized application may be exempt from the flow rates upon application to Dubai Municipality.
Industrial (Mandatory)
Resources Effectiveness: Energy On-Site Renewable Energy- Solar Water Heating System
Applicable to:
For all new villas and labour accommodations, a solar water heating system must be Installed to provide seventy. five (75%) of domestic hot water requirements. Solar water heating installations must be fittad with insulated storage tanks and pipes, sized and frtted in accordance with the solar panel manufacturer's requirements for each specific application. The supplementary heating system shall be controlled so as to obtain maximum benefit from the solar heater before operating. Where solar water heaters are being installed, the equipment, installation, operation and maintenance of the system must be:
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Residential/ Commercial (Optional) Public Buildings (Optional)
1. o&signed and installe.d by an installation company approved by Dubai Municipality (OM); 2. Eq!Jiprnent must b8 'approve.d:liy OM; a!"ld . 3. Reguliuly cleaned and maintained to ensure continuous efficient operation.
For all new buildings, meters must .be fitted to measure and record water demand and consumption of the facility as a whole and to provide accurate records of consumption (tariff class meters): A. For all buildings with a cooling load of at least 1 megawatt (MW) or gross floor area of 5,000 sqM or greater , additional water metering must be installed tO record consumption data for major water use of the building and major water uses in and around the building. B. The building operator shall be responsible .for recording water consumption for each Individual meter. Rl!cords must be kept for five (5) years. C. Each individual tenancy in the building must have a sub-meter installed when a building tariff meter is not present D. Where a Building Management System (BMS) or Central Control and Monitoring System (CCMS) is installed, metering must be integrated into the system to allow real time profiling and management of water demand and consumption: E. All meters must be capable of remote data access and must have data logging capability and complying with DEWA specifications. All meters should be approved by DEWA. F. Virtual meters using run-hours are not acceptable as sub-meters. G. The sub-meters should be used for demand management and cost allocation purposes.
Villas (Optional)
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l.a Guidelines For the Water Daily Consumption_ Residential Flats
Villa 1 Bed room
2Bed rooms
3Bed rooms
4 bed rooms
Sbed rooms
150 Gal.
200 Gal.
250 Gal
300 Gal
350 Gal.
Offices
125 Gallon for each bed room. 500 Gallon for service block. 500 Gallon for swimmin2: oools.
Shops
One .office in the floor
Two offices in the floor
Three offices in the floor
Four offices in the floor
.One shop in the floor
600 Gal.
300 Gal. each
200 Gal. each
150 Gal. Each.
600 Gal.
Three Two shops iri shops in the the floor floor. 300 Gal. each
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200 Gal. - each
Four shops in the floor 150 Gal. each
General Services in a Building Guard 150 Gal.
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A/C
Garbage
Public Toliet
Roof Taps
100 Gal.
200 Gal.
300 Gal.
100 Gal.
Preparatory 7 Gal. each student
Elementary 10 Gal. each student.
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< Mosques Area x 4 Gal.
Labour, students aecommodation Schools Primary 50 Gal. For 5 Gal. each each one student
Hotel
Car Wash Station
Common Market
Public Toilets
150 Gal. per bed
300 Gal per Channel
1 Gal. per square meter
150 Gal. per sanitary piece
Hospital
150 Gal. per bed
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Source: standard practises and submitted major developments master plans
Guideiimsfor Ne1v Develapmmts Projects
6 of 9
GOVERNMENT OF DUBAl
DETAIL OF WATER CONSUMPTION AND CALCULATIONS DATE:
APPLICATION N o : - - - - - - -
PROJECT: _________________________________________________________ PLOT No:________________________________________________________ AREA O~RNAME:
________________________________________________
CONSULTANT:____________________________________________________ PHONE NO: ___________________________________________________ EMAIL:
CONTRACTOR: __________________________~~~~~~------------PHONENo: ______________________~~~~··~,;~~g~;<~•·~>~······~··------~~~~~------:;;;,;~,:;;·;
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SIGN AND STAMP
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GOVERNMENT OF DUBAI
PREMISES IDENTIFICATION FOR ALLOTMENT OF WATER I ELECTRICITY I ' COMBINED WATER & ELECTRICITY' ACCOUNT Nos. Consumer I Project : ................................................................................... . Plot No.: ....................................... . SL.NO.
Premises Description I Ref.
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Application No
Electricity Ale No.
Water Ale No.
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Applicatioi(No:::z;;,+:!,___ _ _ __
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ColuiJ1h 2 \;, L Pr¢in,j~es Description : Shop, Flat, Warehouse, Villa etc. ( indicate in serial order :;-~ ;:~~witJi~R~t as Shop 1,2,3 etc) . Column":3 .• 8<, 4~i=;itick('Vi)'a.s applicable. · \ ·:\t~dicaf~\CT' metering and Water' Main' meter in separate lines to allot separate ·::,)!~;~ql!nt'niimk~rs for each connection. Av . Column 5.6 & 7:Will.~efilledJ:>yDEWA.
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