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Lowara CEA 370/3/P 104480270 [37/48] Water requirements for community buildings
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37
WATER REQUIREMENTS FOR COMMUNITY BUILDINGS
For seaside resorts, the flow rate must be increased by at least 20%.
1= Offices (N. of people)
2= Department stores (N. of people)
3= Nursing homes (N. of beds)
4= Hotels, residences (N. of beds)
The requirements of buildings intended for specific uses, such as offices, residential units, hotels, de-
partment stores, nursing homes and so on, are different from those of condominiums, and both their
global daily water consumption and the maximum contemporaneity flow rate are usually greater. The diagram
of water requirements for community buildings shows the maximum contemporaneity flow rate of
some types of communities, for guidance.
These requirements must be determined case by case with the utmost accuracy, using analytical calculation meth-
ods, according to particular needs and local provisions.
TECHNICAL APPENDIXTECHNICAL APPENDIX
TECHNICAL APPENDIXTECHNICAL APPENDIX
TECHNICAL APPENDIX
Содержание
- Cea ca series cea n ca n made of aisi 316 1
- Hz 50 hz 50 hz 50 hz 50 hz 1
- Single and twin impeller centrifugal electric pumps equipped with ie2 ie3 motors complying with regulation ec n 640 2009 1
- Arket sectors arket sectors arket sectors arket sectors arket sectors 5
- Cea cea n cea cea n cea cea n cea cea n cea cea n series series series series series 5
- Civil agricultural industrial 5
- M m m m 5
- Single single single single single impeller impeller impeller impeller impeller centrifugal centrifugal centrifugal centrifugal centrifugal electric electric electric electric electric pumps pumps pumps pumps pumps 5
- Cea cea n series cea cea n series cea cea n series cea cea n series cea cea n series list of models and t list of models and t list of models and t list of models and t list of models and table of ma able of ma able of ma able of ma able of materials terials terials terials terials 7
- Cea n series t cea n series t cea n series t cea n series t cea n series table of ma able of ma able of ma able of ma able of materials terials terials terials terials 7
- Cea series t cea series t cea series t cea series t cea series table of ma able of ma able of ma able of ma able of materials terials terials terials terials 7
- Denominazione model serie cea 7
- Materiali cea70 cea80 cea120 cea210 cea370 7
- Materiali cea70n cea80n cea120n cea210n cea370n 7
- 2 3 4 5 8
- B resin impregnated carbon p p nbr ff aisi 304 8
- C special resin impregnated carbon e e epdm g g aisi 316 8
- Cea cea n list of ma cea cea n list of ma cea cea n list of ma cea cea n list of ma cea cea n list of materials terials terials terials terials 8
- Cea cea n mechanical seal according to en 12756 cea cea n mechanical seal according to en 12756 cea cea n mechanical seal according to en 12756 cea cea n mechanical seal according to en 12756 cea cea n mechanical seal according to en 12756 8
- Cea mechanical seals cea mechanical seals cea mechanical seals cea mechanical seals cea mechanical seals 8
- Cea n cea n cea n cea n cea n mechanical seals mechanical seals mechanical seals mechanical seals mechanical seals 8
- E g g e g g 8
- E g g g 10 110 8
- Other types of mechanical seal other types of mechanical seal 8
- Position 8
- Position 1 2 position 3 position 4 5 8
- Silicon carbide v fpm 8
- Standard mechanical seal standard mechanical seal 8
- Temperature 8
- Tungsten carbide v ceramic 8
- V b e g g b e g g v b e g g g 10 110 8
- V c e g g c e g g v c e g g g 10 110 8
- V c v g g c v g g v c v g g g 10 110 8
- V g g g 10 110 8
- V g g v g g 8
- Cea cea n series cea cea n series cea cea n series cea cea n series cea cea n series electrical da electrical da electrical da electrical da electrical dattttta a a a a a a a a at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 9
- Cea cea n series cea cea n series cea cea n series cea cea n series cea cea n series hydra hydra hydra hydra hydraulic performance t ulic performance t ulic performance t ulic performance t ulic performance table a able a able a able a able at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 9
- Dati elettrici serie cea 2 poli 50 hz 9
- Tabella di prestazioni idrauliche serie cea 2 poli 50 hz 9
- Motori monofase per serie cea 50 hz 2 poli 10
- Motori trifase cea 50 hz 2 poli 10
- Motors for cea cea n series motors for cea cea n series motors for cea cea n series motors for cea cea n series motors for cea cea n series 10
- Single phase motors a single phase motors a single phase motors a single phase motors a single phase motors at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 10
- Three phase motors a three phase motors a three phase motors a three phase motors a three phase motors at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 10
- A aa aav vv vvailable v ailable v ailable v ailable v ailable vol ol ol ol oltttttages ages ages ages ages motors for cea cea n series motors for cea cea n series motors for cea cea n series motors for cea cea n series motors for cea cea n series 11
- Cea cea n series cea cea n series cea cea n series cea cea n series cea cea n series dimensions and weights a dimensions and weights a dimensions and weights a dimensions and weights a dimensions and weights at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 17
- Dimensioni e pesi serie cea 2 poli 50 hz 17
- Arket sectors arket sectors arket sectors arket sectors arket sectors 19
- Ca ca n ca ca n ca ca n ca ca n ca ca n series series series series series 19
- Civil agricultural industrial 19
- M m m m 19
- Twin twin twin twin twin impeller impeller impeller impeller impeller centrifugal centrifugal centrifugal centrifugal centrifugal electric electric electric electric electric pumps pumps pumps pumps pumps 19
- Ca ca n series ca ca n series ca ca n series ca ca n series ca ca n series list of models and t list of models and t list of models and t list of models and t list of models and table of ma able of ma able of ma able of ma able of materials terials terials terials terials 21
- Ca n series t ca n series t ca n series t ca n series t ca n series table of ma able of ma able of ma able of ma able of materials terials terials terials terials 21
- Ca series t ca series t ca series t ca series t ca series table of ma able of ma able of ma able of ma able of materials terials terials terials terials 21
- Denominazione model serie ca 21
- Materiali ca70 ca120 ca200 21
- Materiali ca70n ca120n ca200n 21
- B resin impregnated carbon p p nbr ff aisi 304 22
- C special resin impregnated carbon e e epdm g g aisi 316 22
- Ca ca ca ca ca mechanical seals mechanical seals mechanical seals mechanical seals mechanical seals 22
- Ca ca n list of ma ca ca n list of ma ca ca n list of ma ca ca n list of ma ca ca n list of materials terials terials terials terials 22
- Ca ca n mechanical seal according to en 12756 ca ca n mechanical seal according to en 12756 ca ca n mechanical seal according to en 12756 ca ca n mechanical seal according to en 12756 ca ca n mechanical seal according to en 12756 22
- Ca n ca n ca n ca n ca n mechanical seals mechanical seals mechanical seals mechanical seals mechanical seals 22
- Position 1 2 position 3 position 4 5 22
- Silicon carbide v fpm 22
- Tungsten carbide v ceramic 22
- Ca ca n series ca ca n series ca ca n series ca ca n series ca ca n series electrical da electrical da electrical da electrical da electrical dattttta a a a a a a a a at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 23
- Ca ca n series ca ca n series ca ca n series ca ca n series ca ca n series hydra hydra hydra hydra hydraulic performance t ulic performance t ulic performance t ulic performance t ulic performance table a able a able a able a able at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 23
- Dati elettrici serie ca 2 poli 50 hz 23
- Prestazioni idrauliche serie ca 2 poli 50 hz 23
- Motori monofase per serie ca 50 hz 2 poli 24
- Motori trifase ca 50 hz 2 poli 24
- Motors for ca ca n series motors for ca ca n series motors for ca ca n series motors for ca ca n series motors for ca ca n series 24
- Single phase motors a single phase motors a single phase motors a single phase motors a single phase motors at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 24
- Three phase motors a three phase motors a three phase motors a three phase motors a three phase motors at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 24
- A aa aav vv vvailable v ailable v ailable v ailable v ailable vol ol ol ol oltttttages ages ages ages ages motors for ca ca n series motors for ca ca n series motors for ca ca n series motors for ca ca n series motors for ca ca n series 25
- Ca ca n series ca ca n series ca ca n series ca ca n series ca ca n series dimensions and weights a dimensions and weights a dimensions and weights a dimensions and weights a dimensions and weights at 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles t 50 hz 2 poles 30
- Dimensioni e pesi serie ca 2 poli 50 hz 30
- Typical applica typical applica typical applica typical applica typical applications cea and ca series electric pumps tions cea and ca series electric pumps tions cea and ca series electric pumps tions cea and ca series electric pumps tions cea and ca series electric pumps 32
- Technical appendix technical appendix technical appendix technical appendix technical appendix 33
- Technical appendix technical appendix technical appendix technical appendix technical appendix 34
- Determination of the water requirement depends on the type of users and contemporaneity factor the calculation may be subject to regulations standards or customs that may vary from country to country the calculation method shown below is an example based on practical experience designed to provide a reference value and not a substi tute for detailed analytical calculation 35
- Maximum consumption for each delivery point 35
- Technical appendix technical appendix technical appendix technical appendix technical appendix 35
- The consumption table shows the maximum values for each delivery point depending on the plumbing amenities 35
- The sum of the water consumption values of each delivery point determines the maximum theoretical re quirement which must be reduced according to the contemporaneity coefficient because in actual fact the delivery points are never used all together 35
- The table of water requirements in civil users shows the maximum contemporaneity flow rate values based on the number of apartments and the type of wc for apartments with one bathroom and two bath rooms as regards apartments with one bathroom 7 drawing points have been taken into consideration while 11 points have been considered for apartments with two bathrooms if the number of drawing points or apartments is different use the formulas to calculate the requirement 35
- Water requirements in civil users 35
- Water requirements in condominiums 35
- Table of water requirements in civil users 36
- Technical appendix technical appendix technical appendix technical appendix technical appendix 36
- Technical appendix technical appendix technical appendix technical appendix technical appendix 37
- Water requirements for community buildings 37
- Npsh npsh npsh npsh npsh 38
- Technical appendix technical appendix technical appendix technical appendix technical appendix 38
- Technical appendix technical appendix technical appendix technical appendix technical appendix 39
- Technical appendix vapour pressure ps vapour pressure and ρ density of water table 39
- Flow rate nominal diameter in mm and inches 40
- H l min 15 20 25 32 40 50 65 80 100 125 150 175 200 250 300 350 400 1 2 3 4 1 1 1 4 1 1 2 2 2 1 2 3 4 5 6 7 8 10 12 14 16 40
- Hr flow resistance for 100m of straight pipeline m v water speed m s 40
- Table of flow resistance in 100 m of straight cast iron pipeline hazen williams formula c 100 40
- Technical appendix technical appendix technical appendix technical appendix technical appendix 40
- Flow resistance 41
- Table of flow resistance in bends valves and gates 41
- Technical appendix technical appendix technical appendix technical appendix technical appendix 41
- The flow resistance is calculated using the equivalent pipeline length method according to the table below 41
- The table is valid for the hazen williams coefficient c 100 cast iron pipework for steel pipework multiply the values by 1 1 for stainless steel copper and coated cast iron pipework multiply the values by 1 5 when the equivalent pipeline length has been determined the flow resistance is obtained from the table of flow resistance the values given are guideline values which are bound to vary slightly according to the model especially for gate valves and non return valves for which it is a good idea to check the values supplied by the manufacturers 41
- Leng leng leng leng length th th th th 42
- Length length 42
- Pres pres pres pres pressure and head sure and head sure and head sure and head sure and head 42
- Pressure and head pressure and head 42
- Technical appendix technical appendix technical appendix technical appendix technical appendix 42
- V vv vvol ol ol ol olume ume ume ume ume 42
- V vv vvol ol ol ol olumetric cap umetric cap umetric cap umetric cap umetric capacity acity acity acity acity 42
- Volume volume 42
- Volumetric capacity volumetric capacity 42
- Further product selection and document further product selection and document further product selection and document further product selection and document further product selection and documenta aa aation tion tion tion tion 43
- Technical appendix technical appendix technical appendix technical appendix technical appendix 43
- Xylect xylect xylect xylect xylect 43
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