REPORT - Yerevandjur · Reconstruction of water lines of Komitas and Safaryan streets in Eghvard...

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REPORT

of the works implemented during

JULY 2016

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TABLE OF CONTENTS

1.TECHNICAL DIRECTORATE 3

1.1. Water system and water production 3

1.1.1.Improvement of water system 3

1.2. Construction works aimed at the improvement and renewal of water supply system 4

1.2.1. Reconstruction of the water line of Yerznkyan street 4

1.2.2. Sectorization of water supply network of Argavand and Geghanist communes 4

1.2.3.Reconstruction of the water line starting from shoe factory of N.Nork 5 housing area and going

up to to the construction college 5

1.2.4. Reconstruction of water lines of Komitas and Safaryan streets in Eghvard city 5

1.2.5. Reconstruction of the interyard water supply network and water lines of private houses in

S.Zoravar street, construction of water meter joints and manholes 6

1.2.6. Reconstruction of the water lines of the alleys in Avan 14 street 6

1.2.7. Reconstruction of the emergent sewer line of 18-22 and 15 buildings , Davitashen 1 district 7

1.2.8. Reconstruction of the water line starting from the crossing of Norashkharhayin-M.Avetisyan 4

streets and going up to N 17/1 building of Rubinyants street 7

1.2.9. Reconstruction of the water line starting from the church “Saint Hakob”, Qanaqer 6 street and

going up to the house N 23/1, Fanarjyan street 8

1.2.10. Reconstruction of the water lines feeding Komitas 49/1, 49/2, 49/3, 49/4, 49/5 and 51/2 buildings

and removal of D=150mm L=110m cast-iron water line of Aygedzor street from operation 9

1.2.11. Reconstruction of the water line of Avan 5th street 9

1.2.12. Reconstruction of the manholes of V.Shengavit 2 street and the water line of the alley 10

1.2.13. Reconstruction of the sewer lines of Tbilisyan roadway 5 and Aghbyur Serob 5 buildings 10

1.2.14. Reconstruction of the sewer lines of Sose 4, 6 buildings and Kievyan 2 alley 11 building 11

1.2.15. Reconstruction of the water line of 39a house in the blind alley of Metsarents street 11

1.2.16. Removal of two water lines feeding Silikyan district from operation 11

1.2.17.Reconstruction of the water line of Brusov district 12

2. OPERATION DIRECTORATES 13

2.1. Works implemented by operation directorates during the reporting period 13

3. COMMERCIAL DIRECTORATE 18

3.1. Consumed water volume, billing, collection 18

3.2 Metering 24

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1. TECHNICAL DIRECTORATE

1.1. Water system and water production

Improvement of water system

For the improvement of water system the following works were implemented in the

reporting period:

Katnaghbyur

D=100mm air removal valve of Katnaghbyur III water main located in Mayakovski

village had Q=5 l/s water leakage. The problem was eliminated by the employees of

WPSHE Directorate.

Araratyan

In order to meet water demand washing of the water main was carried out for

future opertaion.

During the operation it turned out that near the fence of Erebouni airport L=200m

D=1000mm section of Araratyan I water main had been stolen by unknown people.

In the mentioned area L=15m intermediate connection was built between Araratyan

I and Araratyan II water mains. It enabled to direct water volume produced by

Araratyan pumping station to Kharberd DRR. D=250mm outlet valve was also built.

Q=300 l/s breakdown was detected in the area called 9th km, on Araratyan II water

main. The breakdown was eliminated by the employees of WPSHE Directorate.

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1.2. Construction works aimed at the improvement and renewal

of water supply system

1.2.1. Reconstruction of the water line of Yerznkyan street

First stage

For the improvement of water supply it is envisaged to remove D=150mm water line

existing in Yerznkyan street out of operation and reconstruct it with D=110-160mm

L=800m polyethylene pipes. It is also envisaged to replace entry lines of private houses by

D=25-32mm L=900m polyethylene pipes by installing the reinforced concrete water meter

manholes.

During the reporting period the following works were carried out:

Mounting of the valves of the entry lines and a pressure regulation valve

Mounting of water meter joints

Installation of 1 fire hydrant

Works are continued.

Second stage


Mounting of the valves of the entry lines

Mounting of water meter joints

Restoration of asphalt concrete cover


1.2.2. Sectorization of water supply network of

Argavand and Geghanist communes

Sectorization of water supply network which is being carried out in Argavand and

Geghanist communes will enable to simplify water supply system. Removal of the

emergent water lines from operation will result the elimination of frequent breakdowns

and it will improve water supply continuity.

During the reporting period restoration of asphalt concrete cover was carried out.

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1.2.3. Reconstruction of the water line starting from shoe factory of N.Nork 5

housing area and going up to to the construction college

Due to many years operation D=200mm water line feeding a section of Nor Norq 5th

housing area is corroded. Breakdowns and water losses are frequent.

By the design it is envisaged to replace the operating water line and valves by new

D=200mm water line and new valves.


Digging of a trench and mounting of D=110mm L=8m, D=63mm L=87m

polyethylene pressure pipes

Construction of 1 D=1000mm reinforced concrete collapsible manhole

Connections of the entry lines of the

buildings

Construction of 5 reinforced concrete

water meter manholes

Asphalt laying

Works are over.

1.2.4. Reconstruction of water lines of Komitas and

Safaryan streets in Eghvard city

Due to the deterioration of water lines in Safaryan street it is impossible to eliminate water

losses. In order to improve water supply and eliminate losses it is envisaged to construct

D=160mm L=450m polyethylene water line.


Digging of a trench and mounting of D=160mm L=300m, D=25mm L=400m


Construction of 7 reinforced concrete water meter manholes

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Reconstruction of D=1250mm and D=1500mm reinforced concrete collapsible

manholes with the appropriate water supply joints in the crossings of Abovyan-

S.Nova streets and Komitas-Nar-Dos streets and in P.Sevak street

Asphalt laying

Works are over.

1.2.5. Reconstruction of the interyard water supply network and water lines of

private houses in S.Zoravar street, construction of water meter joints and manholes

Cast-iron and steel water lines feeding the area are deteriorated. There are numerous

breakdowns with large water loss. Water lines pass through the areas of private houses and

workshops which impedes the detection and elimination of breakdowns.

By the design it is envisaged to reconstruct the water line by D=160mm L=226m,

D=110mm L=380m, D=63mm L=114m polyethylene pipes as well as move the water meter

joints of private houses to the demarcation

point.

During the reporting period the following

works were carried out:

Mounting of D=110mm L=270m and

D=160mm L=121m polyethylene pipes

Construction of 6 D=1500mm manholes


1.2.6. Reconstruction of the water lines of the alleys in Avan 14 street

Water lines of the alleys in Avan 14 street were built in 60-70-ies by steel pipes. In the

course of time they were corroded and it brings to numerous breakdowns and water loss.

By the design it is envisaged to reconstruct the water line of Avan 14 street and

Khudyakov alleys by D=50-90mm polyethylene pipes and reconstruct the connections of

private houses by D=25mm pressure pipes.

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Mounting of D=90mm L=405m and D=63mm L=179m polyethylene pipes

Mounting of 56 water meter joints

Installation of 70 reinforced concrete water meter manholes in private houses


1.2.7. Reconstruction of the emergent sewer line of 18-22 and 15 buildings,

Davitashen 1 district

Sewer lines of 20-22 buildings of Davitashen 1 district were built in 70-ies by ceramic

pipes. In the course of time they were corroded and it makes future operation of the sewer

lines impossible.

It is envisaged to reconstruct D=300mm sewer line starting from the angle of N 20 building

and going up to N 18 building by connecting it to the operating sewer line.


Digging of a trench as well as mounting of

D=300mm L=20m polyethylene corrugated

sewer pipes

Construction of 10 D=1000mm reinforced

concrete collapsible sewer manholes


1.2.8. Reconstruction of the water line starting from the crossing of

Norashkharhayin-M.Avetisyan 4 streets and going up to N 17/1 building of

Rubinyants street

D=80mm steel water line starting from the crossing of Norashkharhayin-M.Avetisyan 4th

streets and going up to N 17/1 building of Rubinyants street was fully corroded.

Consequently it is impossible to operate the water line, eliminate breakdowns and detect

leakages.

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By the design it is envisaged to reconstruct the water line by D=110mm L=180m and

D=25-32mm L=150m polyethylene pipes.


Digging of a trench as well as mounting of D=110mm L=180m polyethylene pressure

pipes

Construction of 2 D=1000mm reinforced concrete collapsible and 20 reinforced

concrete water meter manholes

Asphalt laying

Works are over.

1.2.9. Reconstruction of the water line starting from the church “Saint Hakob”,

Qanaqer 6 street and going up to the house N 23/1, Fanarjyan street

D=150mm cast-iron water line starting from the church “Saint Hakob”, Qanaqer 6 street

and going up to the house N 23/1, Fanarjyan street passes through the area of private

houses which makes the operation of the water line, control, elimination and detection of

breakdowns and leakages impossible

It is necessary to remove the mentioned water line from the private areas and construct

new D=150mm water line by polyethylene pipes.

At the same time 70 D=20-25mm water meter joint of private houses will be moved to the

demarcation point.

During the reporting period the following works

were carried out:

Digging of a trench as well as mounting of

D=160mm L=190m, D=25mm L=500m


Construction of 3 D=1500mm reinforced

concrete collapsible manholes

Construction of 60 reinforced concrete water meter manholes

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1.2.10. Reconstruction of the water lines feeding Komitas 49/1, 49/2, 49/3, 49/4, 49/5

and 51/2 buildings and removal of D=150mm L=110m cast-iron water line of

Aygedzor street from operation

Due to deterioration of the water lines feeding Komitas 49/1, 49/2, 49/3, 49/4, 49/5 and

51/2 buildings there are water losses. That is why for the improvement of water supply it is

envisaged to remove the existing water lines feeding the buildings from operation and

construct a new water line by D=100mm L=200m polyethylene pipes.

A section of D=150mm L=80m water line of Aygedzor street passes through the privatized

areas and beneath the buildings, that is why it is impossible to eliminate the existing losses.

It is necessary to move the connections of 8 private houses to D=300mm water line passing

through the same street by building new D=20-

25mm L=45m water line.

During the reporting period the following works

were carried out:

Construction of 4 reinforced concrete

water meter manholes in Aygedzor street

Asphalt laying

Works are over.

1.2.11. Reconstruction of the water line of Avan 5th street

Water lines of Avan 5th street were built in 60-70-ies by steel pipes. They have been

corroded and it causes numerous breakdowns and water losses on the water line.

By the design it is envisaged to reconstruct the water line by D=90mm polyethylene pipes.

During the reporting period works on macadam preparatory layer and asphalt laying were

carried out.

Works are over.

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1.2.12. Reconstruction of the manholes of V.Shengavit 2 street and the water line of the alley

Due to many years operation the water line feeding V.Shengavit 2 street has been

corroded. Breakdowns that bring to large water losses are frequent.

By the design it is envisaged to build D=63mm L=102m water line and manholes with

relevant valves.


Mounting of D=63 L=102m water line

Construction of 3 distributing and 17 water meter manholes

Works on macadam preparatory layer and asphalt laying

Works are over.

1.2.13. Reconstruction of the sewer lines of Tbilisyan roadway 5

and Aghbyur Serob 5 buildings

Sewer line of Tbilisyan roadway 5 building had been built by ceramic pipes which were

corroded due to frequent blockings. It caused insanitation for the surroundings as well as

complication of future operation of the sewer line.

Sewer line of Aghbyur Serob 5 building had been built with inadmissible inclination, that

is why it was often blocked.

It is envisaged to build D=200mm sewer line for Aghbyur Serob 5 building and D=300mm

sewer line for Tbilisyan roadway 5 building.


Mounting of polyethylene corrugated pipe of D=300mm L=61m sewer line and

construction of 4 manholes in Tbilisyan roadway 5

Mounting of polyethylene corrugated pipe of D=200mm L=49m sewer line in

Aghbyur Serob 5


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1.2.14. Reconstruction of the sewer lines of Sose 4, 6 buildings and

Kievyan 2 alley 11 building

Sewer line of N 11 building of Kievyan 2 alley passes under a construction. It makes the

operation of the sewer line impossible.

By the design it is envisaged to reconstruct the sewer line by connecting it to the sewer

line of Kievyan 18 building.

By the design it is envisaged to reconstruct the sewer line of Sose 4 and 6 buildings by

D=200mm L=44m polyethylene corrugated pipes and the sewer line of N 11 building of

Kievyan 2 alley- by D=200mm L=41m polyethylene corrugated pipes.

During the reporting period in Kievyan 2 alley mounting of polyethylene corrugated pipes

of D=200mm L=23m sewer line was carried out.


1.2.15. Reconstruction of the water line of 39a house in the blind alley of

Metsarents street

Water line of the blind alley of Metsarents street is on 40-70cm depth. The pipe is fully

deteriorated and breakdowns are frequent.

By the design it is envisaged to reconstruct the water line by D=63mm polyethylene pipes

and the connections of private houses- by D=25mm pressure pipes.


Mounting of D=63mm L=140m water line

Construction of 14 distributing and 17 water meter manholes


1.2.16. Removal of two water lines feeding Silikyan district from operation

Two water lines feeding Silikyan district which crosses Ashtarak roadway pass through

production units and the constructed sections.

By the design it is envisaged to remove D=400mm and D=200mm pipes from operation and

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to install new polyethylene relevant D=315mm and D=150mm pipes through them.

It is also envisaged to test and operate the existing D=500mm pipeline being in store.


Construction of 1 D=1500mm L=2m reinforced

concrete collapsible manhole with its relevant valve

junction

Testing of the existing D=500mm steel water

pipe


1.2.17. Reconstruction of the water line of Brusov district

2 D=100mm water lines pass through Brusov street. One of them is deteriorated and the

second has been built lately. Thus it is expedient to reconnect the connections from the

old deteriorated water line to the second one.


Mounting of D=160mm L=4m, D=90mm

L=38m, D=75mm L=121m, D=63mm L=53m,

D=40mm L=160m, D=32mm L=36m

polyethylene pipes

Construction of 1 D=1500m, 2 D=1250m, 1

D=1000m manholes

Installation of 1 fire hydrant

Installation of reinforced concrete water

meter manholes of 19 private houses

Mounting of 24 water meter joints


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2. OPERATION DIRECTORATES

2.1. Works implemented by operation directorates during the

reporting period

Works implemented Unit Measure Amount

Measuring with flow meter site 373

Search with pipe-searching device m 2220

Leaking search with aquafon m 8100

Leaking search with correlator m 1230

Water line removed from operation m 2110

Sewer line removed from operation m 41

Water line built m 159.8

Sewer line built m 68

Secret breakdowns eliminated number 43

Valve replaced number 20

Joint replaced number 3

Water meter joint moved/replaced number 3

Manhole cleaned number 13

Water volume saved as a result of the elimination of

secret breakdowns l/s 29.2

P/e water line built by EMRP program m 104

Breakdowns eliminated

In water supply network number 490

In water disposal network number 1625

In pumping stations number 171

Storm water inlet cleaned number 662

3. COMMERCIAL DIRECTORATE

3.1. Consumed water volume, billing, collection

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Continuous works aimed at the detection and legalization of illegalities, as well as the adjustments of the data of the subscribers in the

computer database and the implementation of the required changes were done.

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During the reporting period there were 386 violation acts made by the employees of the directorate

from which:

33 were not subscribers

At the addresses of 14 subscribers there were illegal connections detected

In 97 cases there were violations of water meter devices

In 242 cases-violations of the seals

Type of the violation Amount %

A new subscriber 4333 14.6

A new connection 2059 6.9

Violation of water meter 8105 27.3

Violation of a seal 15207 51.2

Total 29704 100

3.2. Metering

The directorate continues to take measures for bringing metering to maximum elucidating the meaning and the importance of a

metering device among consumers.

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REPORT - Yerevandjur · Reconstruction of water lines of Komitas and Safaryan streets in Eghvard...

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