D.S.E. group of COMPANIES

INQUIRIES 

 

 

 

LINK - to other page

 Questionnaire 1 - Economical   Energy  Saving  system

Hotels  Institutional & Industrial  Buildings, Office,Condominiums

DA N M A R - Abir  Control  Ltd.

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On this page

Questionnaire A - Domestic  Hot   water  solar  systems

Questionnaire B - Hotel’s  Questionnaire

Questionnaire C  -  UFSWH  Under  Floor  Solar  Water  Heating system

Questionnaire D - Swimming  pool’s  questionnaire

Please  fill  in  this  questionnaire  and  fax  to : +972  4  8255664

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A - Questionnaire  for  analising the use  of 

Solar  Domestic  Hot   water  solar  systems

 

The  following  questions  have  to  be  answers  in  order  to  analyze  and  define  the  characteristics  of  the  appropriate  Solar  systems :

Country ……………………prepared  by………………………….date……………….

Tel:………………………Fax……………………….e-mail………..………………….

1.0  – General  data

1.1  – Average  daily  Radiation  ( a  representing  day  of  the  month )

                     …………………………………………………………………………………….

1.2  -  Average  daily  ambient  temperature  (a  representing  day  of  the  month )

                     …………………………………………………………………………………….

1.3  -  Average  wind  speed  and  maximum  wind  speed

                      …………………………………………………………………………………….

2.0  – Water

2.1 – Quality  of  water  ( in  ppm  of  Chlorides & Sulphate )

                     ……………………………………………………………………………………..

                     ……………………………………………………………………………………..

2.2            – Daily  usage  of  hot  water .

2.3            -  Daily  water  usage  temperature

                      …………………………………………………………………………………….

2.4            -  Nr. of  persons in  family  for  which  the  Solar  system  should  be  installed

                      ……………………………………………………………………………..……..

2.5            -  Specify  the  month/s  when  hot  water  is  required

                     …………………………………………………………………………………….

3 0 – City  main  water  line

3.1  -  City  water  temperature  ( by  a  representing  day  of  the  month )

                     …………………………………………………………………………………. 

3.2  -  City  water  pressure

                     ………………………………………………………………………………….      

3.3  - Are  there  regular  disturbances  in  City water  supply

……………………………………………………………………………………

3.4  - Is  a  specific  storage  tank  needed  in  order  to  water  supply  due to  above    disturbances

        ………………………………………………………………………………….

4.0 – Availability   of  Sun  radiation

4.1  – Specify  hours  of  cloudy availability

                     …………………………………………………………………………………

5.0       -  Specifications  of  roofs  for  Systems  installation

5.1  – What  is  the  max.  permissible  concentrated  load  on  a  Flat  and  Inclined

( Roof  tille )

                       ………………………………………………………………………………..

 5.2  -  Percentage  of  Flat  and  Inclined  roofs .

                      …………………………………………………………………………………

5.3  -  Range  of  Inclination  angles  of  Inclined  roofs .

                      …………………………………………………………………………………

5.4  -  Availability  of  inclined  roof  towards  equator .

                  …………………………………………………………………………………

6.0       – Special  installations

6.1 – Description of  prestigeous  private  houses

( Nr.  of  rooms , Nr.  of  persons ,   swimming  pool  etc. )

                      ………………………………………………………………………………….

                      ………………………………………………………………………………….

                      …………………………………………………………………………………..

                      ………………………………………………………………………………….

7.0  -  Remarks

            …………………………………………………………………………………………

            …………………………………………………………………………………………

            ………………………………………………………………………………………

INPUT TABL

Month

Ground

Reflect

ivity

Solar

Intensity

Mj/m²day

Day time

Relative

Humidity

Night time

Ambient air

Temp’

 ΊC

Day time

Ambient air

Temp’

ΊC

Cold

Water

Temp’ ΊC

Collector

Outlet

Temp’

 ΊC

Consumption

Consumption

 

ρ

H

%

Ta1

Ta2

Tin

Tout

%

l/day

January

0.2

 

 

 

 

 

48.5

120%

 

February

0.2

 

 

 

 

 

50

115%

 

March

0.2

 

 

 

 

 

50

110%

 

April

0.2

 

 

 

 

 

50

100%

 

May

0.2

 

 

 

 

 

50

97%

 

June

0.2

 

 

 

 

 

50

95%

 

July

0.2

 

 

 

 

 

50

95%

 

August

0.2

 

 

 

 

 

50

97%

 

September

0.2

 

 

 

 

 

50

100%

 

October

0.2

 

 

 

 

 

50

110%

 

November

0.2

 

 

 

 

 

50

115%

 

December

0.2

 

 

 

 

 

48.5

120%

 

 

 

 

 

 

1.  Project name:

 

2.  Number of beds:

0

Price

Elec’

N.Gas

Light oil

 

3.  Daily hot water used criteria:

68

$/kWh

0.0

0.0

0.0

 

3. ψ (Psi) Latitude angle:

0

 

4.  N  No’ Of Collectors in the field:

0

13.  Storage tank volume ( l ):

0

5.  β (Beta) Collector inclination angle:

0

No Of Collectors In A Row:

0

6.  γ (Gamma) collector divination angle from south

0

No Of Rows In The Solar Field:

0

7.  Ac ( m²) collector area

2.5

Maximum Pump-flow rate(m³/h):

0

8. Fr* τ * α =

0.8

 

9.  Fr*Ul=

5.5

10.  k  Collector modifying angle factor :

1

11.  Cp =

1

12.  Tmin (historical minimum temperature) =

0

  B-Hotel’s  Questionnaire

CSDHW

( Central  Solar  Domestic  Hot Water  system )

 

Dear  Sir ,

The  intention  of  this  questionnaire is to be filled  in  by the potential  customer’s

Maintenance  engineer .

We will  base  our  preliminary  design  for the preparation of the  contractor’s  price quotation  which  will  have  to be reviewed  by  our  Engineer  prior  to  the  preparation of our final design  which should  suite the actual  realistic conditions at site .

This important remark  should  emphasize  the  importance of the data filled in by  the customer’s  Engineer .

 

Please  fill  in  the  required  details :

1.      Hotel name: ………………………………Location: ……………………..                      

2.      Latitude angle: ……………………….

3.      Number of  beds: ……………………..

4.      Hotel class: …………………………………..stars: …………...

5.      Climatic data:

 

5.1     H(Mj/m²day) Direct radiation on horizontal plane (based on average day of the month).

5.2     Ta(°C) Daily ambient temperature (based on average day of the month).

5.3     Tin(°C) City water temperature (based on average day of the month).

 

6.      Cold water consumption (based on average day of the month).

7.      Hot water consumers and there daily consumption profile used:

 

Consumption (m³/h)

7.1

Kitchen

 

 

 

 

 

 

 

 

 

 

 

 

7.2

Laundry

 

 

 

 

 

 

 

 

 

 

 

 

7.3

Restaurant

 

 

 

 

 

 

 

 

 

 

 

 

7.4

Bar

 

 

 

 

 

 

 

 

 

 

 

 

Hour

1

2

3

4

5

6

7

8

9

10

11

12

 

 

 

    

 

Consumption (m³/h)

7.1

Kitchen

 

 

 

 

 

 

 

 

 

 

 

 

7.2

Laundry

 

 

 

 

 

 

 

 

 

 

 

 

7.3

Restaurant

 

 

 

 

 

 

 

 

 

 

 

 

7.4

Bar

 

 

 

 

 

 

 

 

 

 

 

 

Hour

13

14

15

16

17

18

19

20

21

22

23

24

 

 

8.      Energy prices & Energy uses (xxx / year).

 

 

 

Energy source:

Price ($)

Energy (xxx / year)

8.1

Electricity (kWh)

 

 

8.2

Light oil (kg or l)

 

 

8.3

N. Gas (kg or l)

 

 

8.4

Other

 

 

 

 

9.      Drawing scam:

9.1     Hotel roofs:

9.1.1        Roofs dimension.

9.1.2        Roof wall height.

9.1.3        Roof orientation from south.

9.1.4        Obstacles on the roof as wall, elevator’s case, air condition tunnels,

air vent chimneys, Piping systems, storage tanks, satellite antenna,  etc’.

 

9.2    Machine room:

9.2.1        Machine room dimension L.W.H.

9.2.2        Machine room equipment location.

9.2.3        Equipment size.

9.2.4        “Piping system” scams and size.

9.2.5        Hydraulic scam.

9.2.6        Heat exchangers, pumps and boilers specification.

 

 

  General drawing:

9.2.7        Upper view on the hotel area.

9.2.8        Hotels building heights.

9.2.9        Machine room location.

 

 

 

Climatic data

Hot water consumption(m³/day)

Energy/month

Month

Ta (°C)

Tin (°C)

H

(Mj/m²day)

Kitchen

Laundry

Restaurant

Bar

Electric

(KWh) consumption

Fuel(kg or l)

(N. Gas) consumption

Fuel(kg or l)

(Light. Oil) consumption

1

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

5

 

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

8

 

 

 

 

 

 

 

 

 

 

9

 

 

 

 

 

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

11

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

 

 

 

 

  

 

Remark: energy information can take from electric and fuel bills at the accounting department.

 

Name………………………..Signature……………………………Date…………..

 

 

C  -  UFSWH  Under  Floor  Solar  Water  Heating system  Questionnaire.

Space  Heating

Dear  Sir ,

Please  fill  in  the  required  details :

10.  project name: ………………………………Location: ……………………..                      

11.  Latitude angle: ……………………….

12.  Climatic data:

12.1 H(Mj/m²day) Direct radiation on horizontal plane (based on average day of the month).

12.2Ta(°C) Daily ambient temperature (based on average day of the month).

 

13.  Daily Cold water consumption (based on average day of the month).

13.1Tin(°C) City water temperature (based on average day of the month).

14.  Energy prices & Energy uses (xxx/year).

 

 

Energy source:

Price ($)

Energy (xxx/year)

8.1

Electricity (kWh)

 

 

8.2

Light oil (kg or l)

 

 

8.3

N. Gas (kg or l)

 

 

8.4

Other Energy sources in use

 

 

 

15.  Drawing scam:

 

6.1  General drawing:

6.1.1       General drawing of the building.

6.1.2       The orintation of the north pole on the drawing.

 

7.  Climatic data

 

 

Climatic data

Energy/month

Month

Ta(°C)

Tin(°C)

H

(Mj/m²day)

Electric

(kWh) consumption

Fuel(kg or l)

(N. Gas) consumption

Fuel(kg or l)

(Light. Oil) consumption

1

 

 

 

 

 

 

2

 

 

 

 

 

 

3

 

 

 

 

 

 

4

 

 

 

 

 

 

5

 

 

 

 

 

 

6

 

 

 

 

 

 

7

 

 

 

 

 

 

8

 

 

 

 

 

 

9

 

 

 

 

 

 

10

 

 

 

 

 

 

11

 

 

 

 

 

 

12

 

 

 

 

 

 

 

Remark: energy information can take from electric and fuel bills.

16.  The building area that is heated by the system:

17.  The mounth were heating is used: 

 

 

 

Name :………………………..Signature……………………………..Date…………………..  

 

 

D - Swimming  pool’s  questionnaire.

Dear  Sir ,

Please  fill  in  the  required  details :

18.  Pool name: ………………………………Location:……………………..                      

19.  Latitude angle:……………………….

20.  Pool class:…………………………….

1.      Latitude angle:

2.      H (Mj/m²day) Direct solar radiation on the pool surface (based on average day of the month).

3.      Ta (°C) Daily ambient temperature (based on average day of the month).

4.      Tin (°C) City water temperature (based on average day of the month).

5.      Average humidity level of the air (based on average day of the month).

6.      Needed pool temperature.

7.      The month when the pool is open.

8.      Use of a pool cover (blanket), and number of hours the pool is open (uncover).

9.      Shading of the pool and % of shading.

10.   Wind speed across the pool surface (based on average day of the month).

11.  The collector installation location:

11.1    Distance from the pool location.

11.2    Roof inclination (collector inclination angle).

11.3    Roof divination from south.

 

12.   Pool dimension:

12.1    Length.

12.2    With.

12.3     Average depth.

 

13.    Filtration system:

13.1    Filtration pump flow rate.

13.2    Filtration head characteristic.

 

14.    Drawings or scheme.

14.1     The pool.

14.2     The roof where the collectors will be install.

14.3      The filtration room.

15.    Energy prices & Energy uses (xxx/year).

 

 

Energy source:

Price ($)

Energy (xxx/year)

8.1

Electricity (kWh)

 

 

8.2

Light oil (kg or l)

 

 

8.3

N. Gas (kg or l)

 

 

8.4

Other

 

 

 

16.  Climatic data.

 

 

 

Climatic data

Energy/month

Month

Ta (°C)

Tin (°C)

H

(Mj/m²day)

Electric

(KWh) consumption

Fuel(kg or l)

(N. Gas) consumption

Fuel(kg or l)

(Light. Oil) consumption

1

 

 

 

 

 

 

2

 

 

 

 

 

 

3

 

 

 

 

 

 

4

 

 

 

 

 

 

5

 

 

 

 

 

 

6

 

 

 

 

 

 

7

 

 

 

 

 

 

8

 

 

 

 

 

 

9

 

 

 

 

 

 

10

 

 

 

 

 

 

11

 

 

 

 

 

 

12

 

 

 

 

 

 

 

Remark: energy information can take from electric and fuel bills at the accounting department.

Name ………………….(.Signature)……………………………..Date