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Republic of Bulgaria: Ministry of Regional Development
:
Project: Municipality Infrastructure Development Project MIDP-D-QCBS-1:Site Investigation, Detailed Design and Bidding Documents for Luda Yanadam
: MIDP-D-QCBS-1: ,
Lot 1: Technical activities on investigation, analysis and design of Luda Yana dam
1: , " "
Stage 2: Technical design and bidding documents for the construction of Luda Yana dam and potable watertreatment plant with scope in conformity with Regulation 4
2: 4
Object: Technical design for completion of Luda Yana reservoir
O:
Design: Design for sanitary protection zones
: -
Part:
:
Report Title: SANITARY PROTECTION ZONE
Language: English:
Report No.: TD / SPZ / R1 :
Volume No. / Total:1 / 1
: -
/ : Revision:
00:
Date: April 2014 : 2014
CONSULTANT /
LUDA YANA DAM DESIGN J/VG. KARAVOKYRIS & PARTNERS CONSULTING ENGINEERS S.A.
EDAFOS CONSULTING ENGINEERS S.A.
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Lot 1: Stage 2: Technical Design of Luda Yana Dam and PWTPSanitary protection zone /SPZ
CONTENTS
1.GENERAL ............................................................................................................................................................ 5
2.PROJECT SITE DESCRIPTION .......................................................................................................................... 5
2.1. LOCATION .............................................................................................................................................. 6
2.2. PURPOSE AND SITE SCHEME ............................................................................................................. 6
2.3. DESCRIPTION OF DAM, FACILITIES AND BUILDINGS ................................................................. 6
2.3.1. GROUTING WORKS AND GROUTING GALLERY .................................................................... 6
2.3.2. DIVERSION TUNNEL ..................................................................................................................... 7
2.3.4. SPILLWAY ..................................................................................................................................... 10
2.3.5. INTAKE TOWER ........................................................................................................................... 112.3.6.OUTLET WORKS ........................................................................................................................... 13
2.3.7. VALVE CHAMBER ....................................................................................................................... 13
2.3.8. PWTP............................................................................................................................................... 13
2.4. PHYSICAL- GEOGRAPHICAL CHARACTERISTICS ...................................................................... 13
2.5. CLIMATE CHARASTERISTICS .......................................................................................................... 16
2.6. HYDROLOGICAL CONDITIONS AND DATA .................................................................................. 17
3.COORDINATES OF FACILITIES .................................................................................................................... 19
3.1. DESCRIPTION OF GEODETIC ACTIVITIES .................................................................................. 19
3.2. COORDINATES OF FACILITIES ........................................................................................................ 20
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7.SOIL VARIETIES IN THE TERRITORY OF THE SANITARY ZONE ......................................................... 257.1. DESCRIPTION OF THE SOIL VARIETIES ........................................................................................ 25
8. DATA ABOUT THE FOREST PLANTS AND THEIR SPECIES WITHIN THE BOUNDARIES OF THE
SANITARY PROTECTION ZONE ZONES OF LUDA YANA RESERVOIR ................................................... 28
8.1. DESCRIPTION AND TYPE OF THE FOREST PLANTS ................................................................... 28
9.PROTECTED AREAS ........................................................................................................................................ 28
10. DATA ABOUT THE OWNERSHIP OF THE AGRICUTURAL LANDS AND FORESTS WITHIN THE
BOUNDARIES OF THE SANITARY PROTECTION ZONE ............................................................................. 29
10.1. LANDS INCLUDED IN THE SANITARY ZONE OF LUDA YANA RESERVOIR ....................... 29
10.2. BALANCE OF AGRICULTURAL LANDS ....................................................................................... 30
10.3. REGISTER OF PROPERTIES IN ZONE 1 OF THE SPZ .................................................................. 30
10.4. REGISTER OF PROPERTIES IN ZONE 2 OF THE SPZ .................................................................. 3010.5. REGISTER OF PROPERTIES IN ZONE 3 OF THE SPZ .................................................................. 30
11. ............................................................................................................. 30
11.1. FACTORS, DETERMINING THE MORE INTENSIVE DEVELOPMENT OF THE BIOLOGICAL
PROCESSES AND NEGATIVELY INFLUENCING THE FORMATION OF WATER DRINKING
QIALITIES .................................................................................................................................................... 30
11.2. FACTORS, NEGATIVELY INFLUENCING THE COURSE OF BIOLOGICAL PROCESSES AND
POSITIVELY INFLUENCING THE FORMATION OF WATER DRINKING QUALITIES .................. 31
12. POLLUTION AND SELF- CLEANING ABILITY ........................................................................................ 31
12.1. PERMANENT POLLUTION .31
12.2. PERIODIC POLLUTION .................................................................................................................... 31
12.3. SELF POLLUTION ..3212.4. SECONDARY POLLUTION .............................................................................................................. 32
13. WATER QUALITIES, DYNAMICS OF ITS VARIATION AND SELF-PURIFICATION ABILITY ..... 33
13.1. ASSESSMENT OF SELF-PURIFICATION ABILITY ....................................................................... 33
13 2 RECOMMENDATIONS ON DATA GATHERING FOR COMPLETE ANALYSIS AND
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15.1. OTHER ACTIVITIES IN THE SANITARY ZONE .................................................................... 6116. COST ESTIMATE FOR IMPLEMENTATION OF THE PROJECT FOR SANITARY PROTECTION
ZONE. .................................................................................................................................................................... 62
16.1. COST ESTIMATE FOR COMPENSATION OF PROPERTIES WITH FORTHCOMING
EXPROPRIATION. ....................................................................................................................................... 62
16.2. COST ESTIMATE FOR COMPENSATION OF THE PROPERTY OWNERS FOR LOST PROFITS
RESULTING FROM THE APPLICATION OF THE PROTECTION REGIMES. ..................................... 62
16.3. COST ESTIMATE FOR COMPENSATION OF THE LAND OWNERS FOR LOST PROFITS
RESULTING FROM IMPOSING OF LIMITATIONS IN CULTIVATION OF AGRICULTURAL
LANDS. ......................................................................................................................................................... 62
17. TIMETABLE FOR THE IMPLEMENTATION OF PROJECTS FOR SANITARY ZONE. ........... 62
APPENDICES
1.TIME SCHEDULE
2.COST AND QUANTITY BILLS
REGISTERS
1.REGISTER OF PROPERTIES IN ZONE 2 OF SPZ available in Bulgarian version only
2. REGISTER OF PROPERTIES IN ZONE 3 OF SPZ - available in Bulgarian version only
BALANCE
1. BALANCE OF PROPERTIES IN ZONE 1 OF SPZ - available in Bulgarian version only
2. BALANCE OF PROPERTIES IN ZONE 2 OF SPZ - available in Bulgarian version only
3. BALANCE OF PROPERTIES IN ZONE 3 OF SPZ - available in Bulgarian version only
REGISTER OF COORDINATES1. REGISTER OF COORDINATES OF ZONE 1 - available in Bulgarian version only
2. REGISTER OF COORDINATES OF ZONE 2 - available in Bulgarian version only
3. REGISTER OF COORDINATES OF ZONE 3 - available in Bulgarian version only
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GRAPHICAL PART1. MARKING OF SPZ
1.1.MARKING OF ZONE 1
1.2.MARKING OF ZONE 2 AND ZONE 3
2. LAYOUTS OF THE SPZ
2.1. LAYOUT OF THE SPZ SCALE 1:20 000 - DRAWING 1 _01
2.2. LAYOUT OF THE SPZ SCALE 1:4000 - DRAWING 1 _02
2.3. PLAN OF PROPERTIES SCALE 1:4000 - 1 _03
2.4. PLAN ACCORDING TO TYPE OF OWNERSHIP SCALE 1:17500 - DRAWING 1 _04
3.
DRAWINGS OF THE FACILITIES3.1. LAYOUT SCALE 1:750 - DRAWING 1 _05
3.2. WATER INTAKE TOWER SCALE 1:100/50 DRAWING 1 _06
4. DRAWINGS OF THE FENCE
4.1. STANDART FENCE MADE OF BARBED WIRE AND COMBINED GATES SCALE 1:40 -
DRAWING 1 _07
4.2. SIGN SCALE 1:10 - DRAWING 1 _08
4.3. BUOY SCALE 1:20/10 - DRAWING 1 _09
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EXPLANATORY NOTE
1.GENERAL
The Government of the Republic of Bulgaria, together with the World Bank, is implementingtheactivities under Municipal Infrastructure Development Project, which will help Bulgaria to
observethe EU Directives about potable and waste waters and the factors for environmental
protection in the investment schemes which will be acceptable and will meet the criteria for using EU
Structural Funds and are not covered by other EU assistance instruments.In this framework the
Ministry of Regional Development and Public Works assigned thepreparation of detailed design and bidding documents for Luda Yana dam and the pertaining water treatment plant (MIDP-D-QCBS-1)
to the joint venture of G. Karavokyris and Partners Consulting Engineers S.A. and Edafos
Consulting Engineers S.A. companies. The objective of the project is to upgrade the water supply
services to the town of Panagyurishte and a number of settlements and sites in the wider area by
ensuring potable water in adequate quantities and quality conforming to EU standards. The present
design of Sanitary Protection Zone of Luda Yana dam is inseparable part of the Technical design of
Luda Yana dam and PWTP.
Coordination of the structures Dimensioning of the SANITARY PROTECTION ZONE
Digital model of the SANITARY PROTECTION ZONE Elaboration of layout with the supplementary attributes pursuant to Article 27 of
Ordinance No. 3 on the Conditions and Order for Approval and Operation of
Sanitary Protection Zones around Water Sources and Facilities for Potable
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In fulfillment of the Contract for Design Works, the relevant parts and subsites are elaboratedfor each part of the design.
2. PROJECT SITE DESCRIPTION
2.1. LOCATION
Luda Yana dam is located at about 2 km northeast from the town of Panagyurishte, on Luda
Yana river, immediately downstream of the confluence of Stara River and Muleiska River. Theconstruction work was initialed in 1984.
The main facilities of Luda Yana Dam and Reservoir scheme are: dam, water intake tower,
diversion tunnel, bottom outlet, spillway, potable water treatment plant (PWTP). Luda Yana reservoir
is a state public property and it is governed by the Ministry of Regional Development (MRD).
2.2. PURPOSE AND SITE SCHEMELuda Yana water supply system of Panagyurishte town is designed for provision of normal water
supply of the town of Panagyurishte and the following villages: Oborishte, Poibrene, Popintsi, Bania,
Buta, Levski, Elshitsa, Radka mine, Optikoelektron and Asarel sites of Panagyurishte
community, and 5 more villages in Pazardzhik and Strelcha communities.
From administrative point of view, Luda Yana dam is situated in the territory of
Panagyurishte, Pazardzhik district.
CATEGORY OF THE SITE
In conformity with the nomenclature of building site types in the Republic of Bulgaria
Ordinance 0 3/1 from 30.07.2003, art.2, para. 5, Luda Yana dam art. 6, para.2 item 4- the site is
categorized as of First category.
2.3. DESCRIPTION OF THE DAM, FACILITIES AND OPERATION BUILDINGS
2.3.1. GROUTING WORKS AND GROUTING GALLERYThe foundation of the dam has overall low permeability but there are zones of higher permeability
that make the construction of a grout curtain essential for the safety of the project
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possible short seepage paths from the reservoir. Large leakages may occur there if the saddle is nottreated properly by a deep grout curtain.
Apart from the grout curtain, blanket grouting will also be specified covering the full core
foundation contact. Blanket grouting will consist of two lines of 15m long boreholes on either side of
the grout curtain and 8m long boreholes at a 3m by 3m grid.
Grouting will also be performed in the two areas where it was applied before for checking purposes.The grouting gallery is made of reinforced concrete and was built in a narrow trench reaching about 7
meters below the general core foundation level. It has a height of 3.5m and width of 2.5m. It has
vertical side walls and circular roof. The length of the grouting gallery is about 220 m, plus two
access galleries 40 m long each one.
For evacuation of the drained water ditches were built leading to the lowest point of the gallery wherea sump was constructed below the floor of the gallery. Pumps evacuate the water out of the gallery.
Some additional works are necessary in order to increase water tightness, repair joints, apply
anticorrosive treatment to reinforcement bars and cover them with concrete etc.
Systematic contact grouting on the walls and on the floor of the gallery will be included in the design
in order to minimize future leakages.
2.3.2. DIVERSION TUNNEL
River diversion during construction is through a diversion tunnel, that has been constructed in the left
abutment, in a NE-SW direction. The entrance is located bellow the intake tower and its total length,
including the entrance, is 175 m. The excavation and the immediate support of the diversion tunnel
has a horseshoe shape. The applied final lining gives the tunnel a circular shape with an inner
diameter of 4 m. The invert has variable thickness and from the sides up the lining is min. 30 cm
thick. The lining was concreted in 4.20 m long sections. Having a grade 1.5%, the tunnel was
designed to divert a maximum flow of 107 m 3/s (Q5%). Repair works will be carried out in the
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In order to facilitate the construction works in the diversion tunnel before closure, a C20/25 concretefloor having max 0.65 m thickness shall be constructed during low river flows. Two ductile iron
pipes shall be embedded in it, as seen in dwg :5_01. A DN400 dewatering pipe having about 350 l/s
capacity and a DN250 water supply pipe,that is supplying the existing water treatment plant of
Panagiurishte. The dewatering pipe is designed with two inlets, a lower on river bed (axis elevation
+545.30) and a higher (elevation +546.80) for operation after upstream plug construction. Both inletsare protected by metal screens. Downstream of the tunnel, the DN400 dewatering pipe ends in a
concrete box with a gate valve.
In order to minimize river bed load materials entering into the dewatering pipe, two containment
cofferdams shall be constructed at the bed of the two tributaries and a containment revetment just
upstream of diversion tunnel inlet, using gabion mattresses and boxes . To close the diversion tunnel stop logs shall be placed in the existing recesses and the upstream
concrete plug shall be constructed.
After the river closure, the diversion tunnel shall be plugged with concrete at the grout curtain axis.
The closure and plugging operation will take place during low flows. The river discharge will be
passed downstream of the tunnel through the DN400 dewatering pipe. Flow through the pipe will be
controlled from the downstream end using the gate valve. Flow can also be interrupted using a
butterfly valve placed just downstream of the plug.
The part of the tunnel upstream of the plug will operate under pressure equilibrium with the
reservoir. If necessary, however, there will be the possibility to isolate it, drain it and access it
through an opening in the plug.
2.3.3. DAM
The dam is designed as embankment type, built from local materials. The shoulders are made of the
river sandy gravels and rock excavations. The watertight element is a central core made of clayey
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No. Parameters Unit Quantity
1 Dam Type - Embankment with central clay
core2 Maximum dam height m From core base 45.30
From grouting gallery bottom49.40
3 Live storage m 17.3810 6
4 Dead storage (elev. +562.0) m 2.3710 6
5 Total reservoir storage (elev.+582.5)
m 19.7510 6
6 Crest length m 550
7 Crest width m 6
8 Lake length m 4500
9 Elevation of reservoir bottom m 542.20
10 Maximum operating water level m 582.50
11 Maximum water level (Q0.01%) m 587.02
12 Minimum operating water level m 563.00
13 Crest elevation m 587.50
14 Average gradient of upstream slope 1:3.0
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2.3.4. SPILLWAY
On the left abutment of the dam a frontal type spillway will be constructed, with an axis displaced a
little from the previous design. The main characteristics of the spillway are:
No. Parameters Unit Quantity
1 Spillway design discharge(probability 0,1%)
m/s 316
2 Spillway crest length m 210.5=21
3 Crest elevation m 282.50
4 Downstream channel width m 10.00
5 Spillway length m 275.00
6 Stilling basin length (including the deeper sectionof chute)
m 63.50
The approach section is a horizontal platform at elevation 579.5 (3 m lower than weir crest), on
which two converging curved/linear concrete guide walls, 8 m high, are constructed.An ogee shaped weir profile with a design head of 3.10 m is used, having an intermediate pier, in
order to provide the possibility for future installation of radial gates. For that reason a 0.50m recess is
constructed at the sides of the three piers and the weir, filled with 2 nd stage concrete, in order to
facilitate the eventual demolishing.
A 43.90 m long transitional section having a bottom slope of 13.5%, connects the 23 m long weir(including the 2 m pier) with the 10 m wide downstream channel (chute). The height of the vertical
walls is variable between 5.0 and 10.0 m. The transitional section is divided in two parts 16.00 and
14.15 m long by only one expansion joint in order to avoid coincidence of joint with the core and
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The chute concrete floor shall be anchored in the bedrock with 25mm 5m long anchor bars in a grid2.52.5 m.
A stilling basin with the same width as the chute is used for energy dissipation. The horizontal
bottom at elevation 533.50 is 34.50 m long and is followed by a 12.0 m long 1:2 (v:h) adverse slope
and a 5.5 horizontal bottom (downstream sill) at elevation 539.50. The height of the vertical walls is
11.0 m in the upstream section and 14.5 m in the downstream section. Chute blocs at the end of thechute, baffle blocs at the beginning of the sloping section and a dentated sill (Rehbock-type) at the
beginning of the downstream horizontal section are improving the basins performance. The concrete
floor shall also be anchored in the bedrock with 25mm 5m long anchor bars in a grid 2.52.5 m.
At the beginning of the tailrace channel a 10 m long extension of the rectangular horizontal channel
following the stilling basin and a 25 m long, 7.80 m high, left side concrete training wall, are
assisting the transition of flow from the stilling basin to the riverbed. The training wall shall be
anchored in the bedrock with 25mm 5 m anchor bars. Rip-rap protection shall be placed on the base
of the wall and the river bed.
2.3.5. INTAKE TOWER
The existing intake tower will be demolished above elevation +551.0 and a lower concrete intake
tower (14 m high, 5.2m internal diameter) will be constructed. To reach the +551 elevation only
loose embankment materials shall be excavated and no rock excavation, except for levelling
purposes. If the overburden above diversion tunnel after the excavation, is not enough to support
consolidation grouting, a concrete slab shall be constructed.
The new intake tower shall have 6 main intake openings 1.201.40 m above ele vation +363.00,
therefore 1.00 m above dead storage level. An upper intake above elevation +572.0 is also foreseen
for higher reservoir levels, connected through an embedded DN700mm steel pipe with a separate DN
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For the possibility of intake tower evacuation without lowering the reservoir level, the installation ofstop logs at the openings of the main water intake, together with aeration pipe, is foreseen. For the
filling of intake tower and the diversion tunnel upstream of the plug, after an evacuation, a water
filling pipe is also foreseen.
A bottom gate at elevation +553.50 is foreseen for reservoir lowering below dead storage elevation.
Water flow will be as follows:a) For potable water in the case of use of the higher intake, flow will be through the DN 700 and
then the DN 500 pipe.
b) For potable water in the case of use of the lower intake, for irrigation water, for
environmental flow and for hydropower, flow will be through the intake tower, through the
tunnel upstream of the plug and through the DN 1200 pipe.
The DN 1200 mm pipe shall be supported on reinforced concrete piers arranged at intervals of 6 m.
The DN 500 pipe shall be supported on steel supports laying on the concrete piers, as shown in dwgs.
Just downstream from the plug two butterfly valves (one electical for operation and one manual for
safety) for each pipe will be installed. A DN 600mm manhole on DN 1200 mm pipe between the
plug and the upstream butterfly valve is foreseen to provide access in the diversion tunnel upstream
of the plug, as shown in dwgs.
Also a safety DN 400 butterfly valve shall be installed on the dewatering pipe below the diversion
tunnel floor.
2.3.6. OUTLET WORKS
Outlet Works comprise of:
the two pipes between diversion tunnel outlet and the valve chamber (DN 500 and DN 1200), the valve chamber
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2.3.7. VALVE CHAMBERAt a distance of about 30 m downstream of the diversion tunnel outlet a valve chamber shall be
constructed. It is designed as a building with reinforced concrete roof supported on 4 beams and 8
columns. The access floor will be at elevation +545.15. The lower floor will be at elevation + 542.25
and will include all the pipes and valves. A control room made of sandwich panels on steel structure
will be constructed on the access level.In the valve chamber, the DN 1200mm pipe feeds the following:
A DN 1000mm hollow cone valve with hood, for the bottom outlet and the high irrigation
releases.
A DN 900mm pipe for the future hydropower station and the ND400mm hollow cone
valve with hood (for ecological and low irrigation flow). A DN 500mm pipe leading to the booster pumping station that will feed the PWTP. That
pipe can also be fed from the ND500 pipe coming from the upper intake.
All pipes have safety butterfly valves. In order to facilitate the installation of pipes and valves, as
well as the maintenance after construction, an overhead crane having a capacity of 5 tones will be
installed.
2.3.8. PWTP
To the site of PWTP the raw water from the future dam lake will be fed through the Pumping station
1 (PS 1). The water intake tower of the dam lake will feed the PS 1, at different levels:
highest working water level (HWWL) elevation 582,50; lowest working water level (LWWL) elevation 563,00; assumed water consumption for the water supplied settlements is: Q = 300 l/s; water consumption for own needs of the PWTP - Q = 13 l/s.
l 3 d
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south. The relief is middle to low mountainous and hilly. The average altitude of the catchment is 683m. The altitude varies between 1500 m at the high mountainous areas on the north and 500 m on the
south.
The north part of the water cathchment is a ridge plateau with altitude 1300-1500 m, which is
well preserved around the peaks Bratiya, Lisets and Bunay. Around these rounded peaks are formed
lowlands. Panagyurski Kolonii and many grasslands are located between the peaks Bratiya and
Bunay
On the south the slopes of Sredna Gora Mountain sides are not steep and pass over Thracian
valley (Plovdiv Pazardzhik field). Between the mountainous parts some small valleys are formed
Panagyurska, Bata-Banska etc. Characteristic for them are the mineral springs.
On the west and north, the water catchment is bounded by the water catchment of Topolnitsa
river and on the east by the catchment of Pyasachnik river. Some steep slopes are situated in the
defile of Luda Yana river between Panagyurishte and Bata village as well as north of Popintsi village.
The average side slopes are 20-30 %. These characteristics of the relief, combined with the shallow
soils, active human activity and intensive precipitations are reasons for unfavorable erosion
processes.
The region is a part of transient continental climate zone. The average air temperature in
January is -1. 1 . The average air temperature in July is 20.6 and the average annual air
temperature equals 10.1 . Because of the variety of the relief and the highly variable altitudes, there
is a big diversity in the micro climate and its mountainous character in the north part of the
catchment.
The western winds (40 %) are predominate in the area. Their average velocity is 2.3 m/s. The
part of the days without wind in the Valley of Panagyurishte is quite high (above 60%). The
temperature inversions are frequent (11-15 times in month) and the precipitatios are insufficient.
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The water resources include the surface waters, the ground water and the thermal waters. Theriver basins in the northern part of the area, in the altitude range between 1000 1200 m a.s.l. have
discharge peak in the spring (march). The southern part of the territory is located in the transitional
zone between the high water bearing Sashtinska Sredna Gora Mountain and the low water bearing
Pazardzhik Plovdiv Field. It is crossed by the valleys of Topolnitsa and Luda Yana and has
clearly expressed discharge peak in the winter. The rivers have low water discharge, but their
catchment areas have high runoff coefficient, which combined with the characteristics of the river
network, forms a high peak discharges in a short time. After a rainfall the surface waters drain away
fast through the river valley of Luda Yana river. During the dry period, the rivers almost run dry.
The ground waters are mainly in cracks and have low discharge. They form a lot of low
discharge springs. Thermal waters can be found in town of Panagyurishte, Poibrene and Banja.
The biggest part of the territory is covered with forests 54 %. In the lower mountainous
areas the forests mainly consist of oak and hornbeam. In the other areas they mainly consist of beech
trees. Compared to 1998 the forest areas have increased with 2668 ha. The most ridges in the
northern and western part of the region are covered with natural forest, which consist of durnmast
and Hungarian oak, combined with grass formations. On the empty spaces, where forest have been
swept away and the areas are not used for argriculture, some artificial forest are created. They consist
mainly of pine trees, walnut-trees and oaks.
The orographic and hydrographic characteristics of the catchment area up to Luda Yana
Reservoir are shown in Table 1.
Table 1 Orographic and hydrographic characteristics of the catchment up to Luda Yana
Reservoir
Table 1
StationLenght ofthe river Averagel f Catchment
Averagealtitude of Averagel f h
Averagewidth of Percent of
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FIG 1. GEOGRAPHICAL LOCATION OF THE LUDA YANA DAM .
2.5. CLI M ATI C CHARACTERISTICS
The Luda Yana Reservoir catchment area is situated in Moderate Continental climate zone.
Higher elevations above 1000 m a.s.l. are in mountainous climate region. The continental
characteristics of the climate are clearly expressed but the power of expression decreases in southern
direction. The precipitations and the evaporation are the main climate elements affecting the water
resources. The precipitation regime is moderate continental with clear tendency to increase with
altitude increase and in southern direction. The precipitation in the region is characterized by uneven
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village ofPoibrene
0(240)
Luda Yana dam Stati on
15.6 58.6 100 932 0.186 - 70
In the following table, there are included the results from the surcharge of the maximum inflow
design flood with special values of the capacity:
Capacity P (%) 0.01 0.1 1 5
Maximum design water quantityQmax p (m
3/s) 679.3 380.8 187.7 99.6
Volume of inflow floodWp (m 3*10 6) 20.03 12.87 7.24 4.11
Time for risingt (h) 3.8 4.4 5.0 5.3Total time of the floodT (h) 30.5 35.0 40.0 42.7
2.7. MAIN PARAMETERS OF LUDA YANA RESERVOIR
Parameters measure Value
1 Water catchment area km 2 100.0
2 Average drainage module l/sec/km 7.9
3 Average annual water quantity m 3/s 0.79
4 High wave flood design - p=0.01% m /s 437.0
5 High wave flood design - p=0,1% m 3/s 240.0
6 High wave flood design - p=1,0% m /s 112.07 High wave flood design - p=5,0% m /s 54.0
8 Facility class - II
9 Ridge level of the Dam Wall m 587.5
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18 Maximum height from Injection gallery base m 49.4
19 Useful(effective) volume of the Dam 10 m 17.38
20 Dead volume(storage) of the Dam 10 6 m3 2.37
21 Total Reservoir Storage Volume of the Dam 10 6 m3 19.75
22 Type of the Dam wallEmbankment with
central clay core
23 Avarage gradient of the water (upstream) slope - 3.0
24 Avarage gradient of the air (downstream) slope - 2.8
25 Length of crest (Overflow) m 21.0
26 Overflow water quantity - Q 0.01% m /s 437.0
27 Overflow water quantity - Q 0,1% dimensional m3/s 240.0
28 Bottom outlet mm 1000.0
29 Outlet type Hollow cone valve
30 Length of the Outlet m 204.0
31 Water covered area (Reservoir area) ha 136.0
3. COORDINATES OF STRUCTURES
3.1 DESCRIPTION OF THE GEODETIC ACTIVITIES
Geodetic survey of the structures, consisting of the following, is carried out:
Carying out of GPS measurements for determination of sufficient number ofreference points.
Network adjustment calculation, creation of coordinate register in Coordinate
System 1970 and Baltic Height System.
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Preparation of digital model in .DWG format for the needs of the design and .CAD
format for compatibility with the digital model of the map of restored property
(MRP).
Data from the geodetic survey is enclosed in part: Geodesy of the deisgn.
3.2. COORDINATES OF STRUCTURES
As a result of the survey measurements the structure axes are coordinated. The
measurement results are given in coordinate system 1970. The data is shown in Table.
Water intake COORDINATE SYSTEM 1970HEIGHT SYSTEM BALTIC
X[m] Y[m]
Benchmark No. 1 4584394,6093 8570476,4810
4. DETERMINATION OF THE SITE BOUNDARIES
According to Annex 1 of the water within the reservoir "Luda Yana" will be state
property .The boundaries of the water site are determined in conformity with the Spatial Planning Act(Construction and Architecture Bulletin, issue 4/2003) , Ordinance No. 7 (22.12.2003 State Gazette,
issue 3, dated 2004) on rules and norms for territory development and in conformity with the Water
Act paragraph 1, item 26, from the transitional and final provisions.
DamCOORDINATE SYSTEM 1970
HEIGHT SYSTEM BALTIC
X[m] Y[m]
Benchmark No. 1 4584449,5327 8570119,5507
Benchmark No. 2 4584293,9340 8570511,1669
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The design territory of Luda Yana reservoir, ZONE 1 of the Sanitary Protection Zone, is
regulated by an approved and enforced Detailed Spatial Development Plan with Resolution 101
dated 29.03.2012 . of the municipal Council of Panagyurishte.
The total area of the reservoir design territory is determined to be:
Luda Yana dam 1641,217 decares Sanitary Zone (Zone 1) - 1032,861 decares , as the area is separated as follows:
No.Unified Classifier of
Administrative-Territorialand Territorial Units
Settlement MunicipalitySite area[decares]
1 55302 Panagyurishte Panagyurishte 1641,217
4.1.COMPATABILITY OF THE WATER SITE BOUNDARIES WITH THE ACTUAL
MAPS OF RESTORED PROPERTY /MRP/
Compatability of the water site boundaries with the actual maps of restored property is made in
fulfilment of the Design for sanitary protection zone of Luda Yana reservoir. The compatibility of the
strip models and the maps of restored property is made by means of specialized software
5. DETERMINATION OF THE BOUNDARIES OF THE ZONES OF LUDA YANA
RESERVOIR SANITARY ZONE
The sanitary protection zones around the water sources and the intake structures for potable
domestic needs are introduced for the purpose of protecting the water in water sources and facilities
against pollution.
Pursuant to Ordinance No. 00/3 / SG 10/2000 - on the conditions and order for investigation,
design, approval and operation of SANITARY PROTECTION ZONES around water sources and
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Protection against entering of pollutants in the water sources; Ensuring of the design water quantity and quality in the water intake structures for
the period of validity of the water use permit;
Keeping of the water source in condition, allowing its use for potable needs by the
future generations.
Protection regimes forbiding, limiting, monitoring, stoping and controling activities, whichdestroy, damage or endanger, to cause in long term negative change of the water quality and/or
quantity, directly or by harming the environmental elements, are determined and established in the
sanitary protection zones
5.1. DETERMINATION OF THE BOUNDARY OF ZONE I
ZONE I of the SANITARY PROTECTION ZONE of Luda Yana reservoir comprises thewater surface from the water intake tower at distance of 1000m upstream as well as a strip of the
terrain on both banks with the same length and width of 50 m from the boundary of the water body,
as well as the territory of the dam. This is the innermost part of the sanitary zone, for which strict
protection is required immediately around the water source and/or the structure from human activities
that may harm the water in use.The total area of ZONE I of Luda Yana reservoir is determined in conformity with the
developed digital model and the detailed spatial development plan and it amounts to 1032,861
decares .
Coordinate register of the zone contour is given in VOLUME COORDINATE
REGISTERS.Full register of the properties included into the territory of ZONE I of the sanitary protection
zone of Luda Yana reservoir as per the reservoir site development plan is given in VOLUME
REGISTER OF PROPERTIES..
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Zone II comprises the whole aquatory of LUDA YANA reservoir and a bank strip with width
of 500 m from the boundary of the water site.
The total area of ZONE II of the sanitary protection zone of Luda Yana reservoir is
determined in conformity with the developed digital model and amounts to 1409,812 dka.
Coordinate register of the zone contour is given in VOLUME COORDINATE
REGISTERS.
5.3. DETERMINATION OF THE BOUNDARY OF ZONE III
The boundaries of Zone III are determined in accordance with Article 20 and Article 17 of
Ordin ance No. 00/3 / SG 10/2000 - on the conditions and order for investigation, design, approval
and operation of SANITARY PROTECTION ZONES around water sources and facilities for potable
domestic water supply .
Zone III comprises the water catchment area of LUDA YANA reservoir.
The total area of Zone III of Luda Yana reservoir is determined in conformity with the
developed digital model and it amounts to 12 067.464 decares .
Coordinate register of the zone contour is given in VOLUME COORDINATE
REGISTERS.
6. ENGINEERING GEOLOGICAL VARIETIES WITHIN THE BOUNDARIES OF THE
RESERVOIR SANITARY PROTECTION ZONES
6.1. DESCRIPTION OF THE ENGINEERING GEOLOGICAL VARIETIES
The study area is geotectonically situated in the Sredna gora zone. The terrain is low mountainous.
Pre-Cambrian is presented from the rocks of the Proto-Rhodopes group non-dismembered
Arden Group (ArP C).
Paleozoic period is presented from the granitoides of Sredna Gora, which are part from the
granites of South Bulgaria. There are three intrusive complexes:
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prevailing from aplites. In the region under consideration the second intrusive complex is presented
by Koprivshtitsa Pluton (kp2C), which is entirely inserted within metamorphic complex.
The thi rd in tru sive complex is presented from uniform-grained biotite and two-mica granites.
The complex characterizes with poorly expressed flat structures and practically at more places is
structureless. To this complex is referred Strelcha Pluton (st3 P), which is inserted practically entirely
in Smilovenski one, against which shows clear crossing contacts. In the pluton are presented mainly
light granites, rarely to granodiorites. In the north flange with smooth transition is formed narrow
strip (100 200m) of aplite-like granites with increased content of biotite. In the central sections
there are pegmatoide granites, connected with pegmatite fields.
Upper Cretaceous in the region is presented by the rocks of Chelopech Suit (eK2 cn-st ),
constructed of volcanogenic (rocks descended from volcanic effusions) and volcanic rocks and
Chugovishka Suit (uK 2cp-m ), constructed of rhythmic alternating heterogeneous sandstones, sandy-
limestone alevrolites and more rarely thin sandy limestones. With Upper Cretacious age are also the
dikes with average compound ( 12), presenting diorite, granitodiorite and quartzdiorite porphyrites,
sienodiorites and moncodiorites.
Quatern ary accumu lations in the region under consideration have small spreading and do not
have essential importance in the geological texture.
Alluvium deposits (Qh) are mainly established in the valley of Luda Yana River and its
bigger tributaries. They are presented of small boulders, gravel, sandy and clayey material without
grading. The trend of smoothly decreasing of the size of pieces in the flow direction of the rivers is
underlined.
Alluvial proll uvial (a-prQp) accumulation is of mixed genetic type in the space between the
scree slopes and alluvium formations of Strelcha Valley.
6.2 TECTONIC OF THE REGION
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Longitudinal block dismembereing is dicted by some faults with direction 120-130 (Panagiurski,
Krasnenski, Stephanchovski and Batenski). For the transverse block dismembering most important
role has Panagiurski Fault unclear expressed with unclear with direction 30-40 .
6.3. HYDROGEOLOGICAL CONDITIONS
The hydrogeological conditions in the region are characterized with the presence of:
Pore water typical for the alluvium accumulations. It is attached mainly to the river
terraces
Fissure water a fissure spring passes through the terrace of Luda Yana river, it
follows its stream and drains into it.
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genetically shows developed soils in the region are zonal soil type maroon. In accordance with
altitude mountain zoning, soil above elevation 700 - 800m are zonal soil type brown forest.
Particular soil under the right slope of Elashka and Luda Yana river, which is part of the cup of the
dam and the subject of projects for the most part the soil is not primary, but is formed as a result of
anthropogenic activity. Anthropogenic activity is expressed in almost total deforestation of the slope
in back. Consequently, uncovering the existence of repose and activates the erosion processes
humosniyat horizon and soil profile of primary natural soils are heavily modified or even completely
removed. Classification of the FAO, these same soils in Class "Primitive" (leptosols) and particularly
in the case to two soil types of them - ranker (rankers) and lithosols (lithosols).
The soils of both types are are not tied to climate zoning. They only have a low to medium formed
humus horizon, sharp passing in highly weathered (at rankers) scale (gruss) or solid (at lithosols)
rock. This soils (over 40%) with increasing depth in stony. Characterized by light mechanical
composition soil reaction is acidic and acidic determined by the acidity of the rock. These soils are
poorly stocked with nutrients. Characterized by adverse physical and mechanical properties and
water regime. Sorption capacity is low and poorly saturated with bases.
Lithosols most shallows soils - in the case of 5 - 6cm to 15 - 18cm and occupy the steepest
terrain and curved sections in places the rock was found on the surface. The mechanical structure for
them is generally sandy and sandy loam (8-20% physical clay). They are weak and the poor humus.
In grasslands thin their turf is rich in humus. These areas are suitable only for grazing or
afforestation.
Rankers feature a large capacity of the soil profile, reaching 30 - 40cm. Mechanical
composition varies between sandy loam and medium sandy-clay content (physical clay between 15
and 40%). Rankerite have favorable qualities of lithosols and why some of them on the slope were
used as farmland, despite their low productivity.
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Of more particular relevance to the subject area of the project are deluvial soils. They take the
foot of the slope and the bottoms of ravines and valleys with unstable water flow and areas of
formation in the mouths of some of them talus cones. Capacity of their soil profile varies in a
relatively wide range of 20 - 40cm 100 - 120cm. Their physical and chemical features are similar to
those of the adjacent slope from which they pulled down deluvial materials. That the availability of
humus is about 2 - 3%, and reduces uneven in depth. Soil reaction is moderately and slightly acidic
with pH (in H 2O) between 5.40 and 6.40. The mechanical structure is sandy loam to sandy clay
medium (between 18 to 45%). Currently terrain in the most part of the slope, is highly disturbed as a
result of continued and discontinued works. It was found that one of the primary activities in the
glass and concrete dam on the treated side, cleaning of vegetation and removal of the humus layer are
of the same slope. The sanitary zone area falls within the agrobiological area of the brown mountain
forest soils and agro-ecological regions of dun soils.
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Territory of Sanitary zone cover soils that are bonity score from 10 to 70, and category are
classified as category farmland from 3rd to 10th. In the territory of Sanitary zone not located
industries and factors that can contaminate soil layers. Balance of Sanitary zone by category
agricultural land is annexed to the balance of properties.
8. DATA ABOUT THE FOREST PLANTS AND THEIR SPECIES WITHIN THE
BOUNDARIES OF THE SANITARY PROTECTION ZONE ZONES OF LUDA YANA
RESERVOIR
The forest included into the sanitary protection zone belongs to the type of water protection
forest forest in water supply zones , catchment areas of water reservoirs and water currents.
The forests included into ZONE I are exclusive state property.
8.1. DESCRIPTION AND TYPE OF THE FOREST PLANTS
The Sanitary zone of Luda Yana dam is located in the territory of State forestry
Panagyrishte.
Forest are predominantly coniferous forests - 63% in the mountainous area, mixed coniferous
deciduous forests in the hilly area and deciduous forests - 37% of the forested area. Main tree species
are: white pine - 36% oak - 18%, spruce - 17%, beech - 13% pine - 6%, fir - 4% other deciduous -
5% and 1% other conifers of the area .
Forest plantations, accumulate large amounts of precipitation, reduce the water and it protects
the soil from erosion, and water currents to ensure a permanent water regime.
The forest vegitation included in the SANITARY PROTECTION ZONE consists mainly of
beech, Scots pine, etc.
The property of the lands and the forests from the forest fund is restored in accordance with
the Forest Act in the period 2000 2002. In the area of engineered sanitary protection zone studies
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10. DATA ABOUT THE OWNERSHIP OF THE AGRICUTURAL LANDS AND FORESTS
WITHIN THE BOUNDARIES OF THE SANITARY PROTECTION ZONE ZONES
10.1. LANDS INCLUDED IN THE SANITARY PROTECTION ZONE OF LUDA
YANA RESERVOIR
The lands included in the sanitary protection zone of the water intakes are given in Table. The
ownership of the agricutural lands is restored in the period 1992-1999 according to the Ownership
and Use of Agricultural Land Act and the Regulation for its implementation.
ZONE 1 1032,861 da ZONE 2 5856,402 da ZONE 3 92 945.497 da
Luda Yana dam- ZONE 1
No.
Unified Classifier ofAdministrative-Territorial and
Territorial Units
Land Municipality Region AREA /da/
1 55302 Panagyurishte Panagyurishte Pazardzhik 1032,861
TOTAL: 1032,861
Luda Yana dam- ZONE 2
No.
Unified Classifier ofAdministrative-
Territorial andTerritorial Units
Land Municipality Region Area [da]
1 55302 Panagyurishte Panagyurishte Pazardzhik 5856,402
TOTAL: 5856,402
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10.2. BALANCE OF AGRICULTURAL LANDS
ZONE I
All balances of agricultural lands at the territory of ZONE 1 of the Sanitary protection zone
of Luda Yana dam is included in PART: BALANCE OF PROPERTIES
ZONE II Each balance of agricultural lands at the territory of ZONE 2 of the Sanitary
protection zone of Luda Yana dam is included in PART: BALANCE OF
PROPERTIES
ZONE III
All balances of agricultural lands at the territory of of ZONE 3 of the Sanitary protection
zone of Luda Yana dam is included in PART: BALANCE OF PROPERTIES
10.3. REGISTER OF PROPERTIES IN ZONE I OF SANITARY PROTECTION ZONE
A complete register of the properties, included in the territory of ZONE I of the sanitary
protection zone of Luda Yana Reservoir, is presented in PART REGISTERS OF
PROPERTIES , part of the DSDP.
10.4. REGISTER OF PROPERTIES ZONE II OF SANITARY PROTECTION ZONE
A complete register of the properties, in the territory of ZONE II of the sanitary protection
zone of Luda Yana Reservoir, is presented in PART REGISTERS OF PROPERTIES .
10.5. REGISTER OF PROPERTIES ZONE III OF SANITARY PROTECTION ZONE
A complete register of the properties, in the territory of ZONE III of the sanitary protectionzone of Luda Yana Reservoir, is presented in PART REGISTERS OF PROPERTIES .
11 HYDROBIOLOGICAL CONDITIONS
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11.1 FACTORS, DETERMINING THE MORE INTENSIVE DEVELOPMENT OF THE
BIOLOGICAL PROCESSES AND NEGATIVELY INFLUENCING THE FORMATION OF
WATER DRINKING QIALITIES
The vegetation period starts in March and ends in the end of October and this
creates favourable conditions for development of the phytoplankton, especially after
the period of the spring high water when the tributaries bring in the reservoir new
quantities of biogenic elements.
The lack of big temperature differences between the separate water layers
contributes for their better aeration on one hand and on the other hand this will
influence favourably the spreading of the phytoplankton in vertical direction.
The reservoir turbidity is low. The good transparency especially in the layers up to
10 m, influence favourably the development of the phytoplankton
11.2. FACTORS, NEGATIVELY INFLUENCING THE COURSE OF BIOLOGICAL
PROCESSES AND POSITIVELY INFLUENCING THE FORMATION OF WATER
DRINKING QUALITIES
Sufficient depth 20 m create favourable conditions for selection of aquifer. The permanent fluctuations of the water level during the separate months of the year
hinder the development of the coastal higher aquatic plants
12. POLLUTION AND SELF-CLEANING ABILITY
The different types of pollution of the exposed water source can be integtrated in four groups.
12.1. PERMANENT POLLUTION
For example the year round discharge in the reservoir of not purified or not sufficiently
purified domestic water. Such pollution is inadmissible for water supply reservoir.
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at flowing in the reservoir of atmospheric water or water from spring snow
thawing, decayed trees, pollution accumulated on the ground surface. The periodic
pollution is also inadmissible for water supply reservoirs.
12.3. SELF-POLLUTION
The self-pollution occur in separate sections of the reservoir as a result of mass extinction of
aquatic flora and fauna.
Generally the self-pollution refers to the group of periodic pollution, because for example the
mass extinction of the higher aquatic /flowery/ vegetation is observed in the end of the autumn.
12.4. SECONDARY POLLUTION
It results from the carrying of flaky and mucous fouling, typical for specific pollution of part
of the reservoir.
Florescence, i.e. the growth of plankton contributes for the presence in the reservoir of zones
with small depth where there is intensive warming and clarification and the biogenic elements
decay and decomposition are intensified.
Therefore in the fight with the plankton growth the following is necessary:
The shallow zones to be minimized. The watering and resting of livestock in the reservoir or along the coast to be restricted
or forbidden, if possible.
Substances to be put in the reservoir in doses that are not harmful for people, animals
and fishes but acting lethally on the plankton kinds, for example blue vitriol /copper
sulphate/, etc.
The remoteness of the pollutants is of great importance for the water in LUDA YANA
reservoir. The further the source of pollution is from the water intake tower, the higher the self-
purification ability of the source is and the less drastic the measures to be undertaken for this source
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13. RAW WATER QUALITIES, DYNAMICS OF ITS VARIATION AND SELF-
PURIFICATION ABILITY
13.1. ASSESSMENT OF SELF-PURIFICATION ABILITY
Pursuant to ORDER No. 272 / 03.05.2001 of the Ministry of Environment and Water
regarding the categorization of surface water in water basins, the water in Maritsa river where Luda
Yana river is referred as well, are classified as 1 st category for the section between the spring to the
first settlement ( Panagyurishte).
The investigations of water carried out for the needs of the design for the sanitary protection
zone, provide information about the raw water qualities.
Since there are no representative data for a sufficient time period available, analysis of the self-
purification ability of Luda Yana river has not been made.
The investigated water can be categorized pursuant to Ordinance No. 12, dated 18.06.2002 ,
on the quality requirements to surface water for potable domestic water supply of the Ministry of
Environment and Water (MEW), the Ministry of Healthcare (MH) and the Ministry of Regional
Development and Public Works (MRD). The water supplied for potable needs from Luda Yana river
is categorized in Category 1 .
The data from the water laboratory analyses are given in the table:
No. Parameter Unit
Admissiblevalue pursuantto Ordinance
No. 9 or BDS2823-83
Value
MIn Average Max*
1 2 3 4 5 6 7
1 Color - Eligible forconsumers5,00 6,50 10,00
2 Smell - Eligible forconsumers0,00 0,06 1,00
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10 Chlorides (Cl) mg / dm 3
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Table 8
No Watercategory
Sub-category
Rating
Hydrophysical properties Trophic parameters
Undissolved
solidsmg/l
Transparency (acc.to Secchidisk), m
Color(acc. toPt-Co
scale), o
Hydrochemical
pHNH4+[mg/l]
NO2-[mg/l]
NO3-[mg/l]
PO3-4[mgP/l] W
a t e r
c a t e g o r y
S u b -
c a t e g o r y
R a t
i n g
1 U t m o s
t
p u r e 1. Utmost
pure1 3.00
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4b. Heavily
polluted7 7.1-10.0 7.1-10.0 51.0-100.0 4.1-7.0 10.1-50.0 2.1-2.5 9.05-10.50 0.5 / 2.1-2.5 3.1-3.5 a-mezzosaprobic
5 I m p u r e 5. Very
impure8 10.1-20.0 10.1-100.0 110.0-1000.0 7.1-10.1 50.1-100.0 2.6-3.0 10.55-12.00
0.2-0.4 /2.6-5.0 3.6-4.0 b-polysaprobic
5b. Utmostimpure
9 >20.0 >100.0 >1000.0 >10.0 >100 >3.0 >12.00 5.0 >4.0 a-polysaprobic
It should be mentioned that data about the state of Bacterial parameters and Trophic
parameters are not tested as well. Zone II is determined in conformity with the Ordinance on the
sanitary protection zones as we think that this limit guarantees confidence of the project with regard
to the self-purification ability and can be modified only after complete analysis and sample taking of
sufficient data about the self-purification ability of Luda Yana river.
13.2. RECOMMENDATIONS ON DATA GATHERING FOR COMPLETE ANALYSIS AND
ASSESSMENT OF THE SELF-PURIFICATION ABILITY
In order to calculate the self-purification ability of Luda Yana river it is necessary to
standardize the distance from the water intake point to the section where the maximum
concentration of the pollutants is higher or equal to the rated one.
The self-purification of the river streams is related to the environmental changes along the course
of the flow, which are expressed in two main trends.
1. The ratio between the free chemical energy, the solar energy and the ecosystem is
changed.
2. Biocenotic gradient, characterizing the ratio between phytoautotrophic and
heterotrophic organisms, is created. The oxygen consumption for the microorganisms
respiratory processes is gradually decreasing.
Biocenotic gradient along the stream occurrs as a result of the self-purification.
The bacterial indicators, characterizing the total content of bacteria in the water, as well as the
i f h hi b i ib i h d i f h i b
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hygiene requirements. The bacterial indicators shall be used for assessment of the anthropogenic
pollution together with the parameters of the self-purification ability of the river.
The ratio between the established values of the bacterial indicators b and the relevant normative
values n is an ecologic indicator for assessment of the anthropogenic pollution ( EI (b) = b/ n). With
values of the ecologic indicator EI (b) >1 worsening of the sanitary hygiene and ecological conditions
can be expected due to which it is necessary measures for lowering of the pollution intensity to be
taken.
The self-purification parameters at pollution with conservants are determined on the basis of
system data from the monitoring system. The information about the pollution with conservants as
chloride, sulphates, total mineralization, ions of heavy metals, etc., is subject to static analysis based
on which the trend in the development of the environmental ground is determined.
The assessment of the self-purification and the anthropogenic impact on the condition of the
water in Luda Yana river supplements the existing normative requirements according to the
categorization of the water streams. The parameters of the self-purification and assimilating ability of
the water streams as integral indicators of the condition of the abiotic and biotic components, are
main criteria for assessment of the anthropogenic impact.
Systematic information about the pollution of the river water by physical, chemical and
biological indicators in time and space is necessary for characterization of these main processes. The
information shall be based on the ecosystem approach and shall include the entire catchment basin of
Luda Yana river.
At the determination of the structure of the control points network, it should be proceeded from
the laws for formation of the zonal river run-off. For reliable assessment of the anthropogenic factor
it is necessary to examine the polluted and the non-polluted water streams. The tests of the polluted
water streams allow for determination of the background pollution, as well as establishment of the
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The indicating organisms for assessment of the self-purification ability of Luda Yana river shall
satisfy the following conditions:
To be widely spread; To be easily identified in the total biomass; To belong to the indigenous (native) species and to ensure their survival by natural
reproduction;
To interact directly with many components of their environment; It is necessary chronological, preferably qualitative information, to be gathered with regard to
their distribution and other critical factors, related to the condition of these organisms.
The examinations in the programme for monitoring and assessment of the self-purification
ability of Luda Yana river shall include analysis of the negative impact, resulting from high
concentrations of the pollution.
The requirements, which the organisms bioindicators shall meet during carrying out of
toxicological examinations in the biomonitoring programme, are the following:
The species shall be typical so we can be sure that the established concentrations of the
pollutants are not specific for the geographical location of the region.
The species shall be in abundance in the entire region. The species shall have longer live because this allows taking of samples from several age
groups.
The species shall be sufficiently large so as sufficient number of samples to be taken for
analysis.
The species shall be stable so it can be taken to a laboratory and a decontamination test to be
carried out.
Organisms satisfying most of the specified requirements shall be selected as bioindicators.
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with negative impact of the pollutants and bioindicators with possitive impact of the pollutants,
which abundancy and biomass increase with the increase of the pollutant concentration.
Sources of pollution are:
Waste water from the settlements and the industrial factories as point sources Agricultural lands in the water catchment basin as diffuse sources: soil erosion, melioration
water, artificial fertilizers, wastes from the farm animals
Forestry lands in the water catchment basins as diffuse sources Ground and drainage water from arable lands.
The plan for monitoring of the self-purification ability of Luda Yana reservoir is aimed at
clarification of the surveillance and control parameters.
The system emission and imission control on the site and its structures is obligatory, in order
to guarantee reliable operation and flawlessness.
Monitoring of the self-purification ability is a system ensuring reliability of the gathered
information, application of contemporary methods for analysis and assessment of the data. The
purpose of monitoring is to provide timely and reliable information about the state of the self-
purification process based on which analyses and assessments, short-term and long-term forecasts
about the condition of the environment in the region and updating of the design for the sanitary
protection zone, to be made.
The plan for Monitoring of the self-purification ability sets a time schedule for
implementation of the tasks of the monitoring activity, the number and the type of the examined
samples and the necessary laboratory analysis by the separate indicators. The systematic surveillance
of the required indicators will give sufficient information about the mathematical modelling of the
processes.
The continuous surveillance is a sure guarantee of the stable working regime, for prompt
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Main chemical indicators for analysis
Common physical and inorganicindicators Bacterial indicators Hydrobiological
COLOUR Bacterioplankton, mio. cells/ml
TURBIDITY Heterotrophic bacteria, thousandcells/ml BOD 5 mg/l
Enteric rod-shaped bacteria,thousand cells/ml Phytoplankton biomass, mg/l
DRY RESIDUE Filamentary algae phytomass, kg/m 3 CALCUIMMAGNESIUMTOTAL HARDNESSAMMONIA
NITRATES NITRITESCHLORIDESIRONPHOSPHATESMANGANESESULPHATESDISSOLVED OXYGENOXIDATION
BOD 5
The laboratory data shall be arranged in a way convenient for statistical and mathematical processing
if possible a computer data base about the water condition to be created
SOIL MONITORING PLAN
Station for taking of control soil samples in the project area:
Station 1 - At the inflow into Luda Yana dam
Station 2 at the boundary between ZONE 2 and ZONE 3
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Main chemical indicators for analysis
-
- Carbonates [%]
- Sulphates [mg / l]
- Nitrates [mg / l]
- Water soluble salts [%]
- Exchangeable Na [%]
- Depth of the soil section 150 cm.
The sample taking is documented by:
1. Filling in of an accompanying note for each soil sample
2. Filling in of a standard protocol for taking of soil samples
3. Preparation of a sketch on a map background of the examination
4. Description of the testing in a special journal
5. The soil samples are analysed for pollution by the methods specified in BDS.
The examination of the soils in the sanitary protection zone of Luda Yana river
catchment shall be carried out in compliance with INSTRUCTIONS NO. -00-11, dated
13.07.1994, FOR DETERMINATION OF THE KIND AND DEGREE OF POLLUTION OF THE
AGRICULTURAL LANDS BY TERRITORIES AND USE REGIME. Qualification of the land
pollution is necessary to be made and for this purpose the following shall be determined:
1. The boundaries of the polluted territories
2. The degree of soil pollution
3. Possibilities and methods for restoration of polluted lands
4. Reccommended and restrictive land use regimes
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1. Wastes shall not be transported to and disposed at places included within the
SANITARY PROTECTION ZONE.
2. Portable waste containers for the settlements shall be provided and their
transportation and disposal shall be organized.
14. REGIME OF SANITARY PROTECTION ZONE
The regime in the sanitary protection zone of Luda Yana reservoir is elaborated in compliance
with Ordinance No. 00/3/SG10/2000 On the conditions and order for investigation, design,
approval and operation of SANITARY PROTECTION ZONES around water sources and facilities for
potable domestic water supply.
14.1. REGIME OF ZONE I
This is the ZONE situated immediately around the water source which is subject to the most
stringent guarding from human activities that can impair the used water.
Only activities related to operation of the facility are permitted in ZONE I . Only the
following officials relevant to different activities on the operation of the site have access to ZONE I
of the sanitary protection zone of Luda Yana reservoir:
No. Position Number Company
1 Head of Hydrotechnical facilities 1 WS&S Panagyurishte
2 Hydraulic technician 1 WS&S Panagyurishte
3 Senior master 1 WS&S Panagyurishte
4 Construction workers 1 WS&S Panagyurishte
5 Security guards SANITARY PROTECTION ZONE 2 WS&S Panagyurishte6 Control authorities RIPCPH, MEW, MRD, MH,
Ministry of Agriculture and Food, National Building
Control Directorate
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Execution of construction and other activities, which are not related to the
operation of the water supply system
Development and operation of quarries Discharge of any kind of waste water Passing through of channels Using of the terrain for any agricultural needs The passing of overhead power lines and facilities The use of the water source for sport purposes Permanent living of people related to or not related to the operation of the
water supply system, etc.
All activities not related to the operation of the water intakes
Unauthorized persons except for the personnel for operation of the facilities are not allowed
to ZONE I of the SANITARY PROTECTION ZONE.
The entering of other persons in ZONE I is permitted after permission by the Head of
hydrotechnical facilities, in which the stay of the persons and the activity due to which they have to
enter in the sanitary protection zone, are specified.
The main types of activities that can be executed are:
Control of the forest fund Ministry of Agriculture and Food Execution of anti-erosion measures Ministry of Agriculture and Food Execution of investigation activities
Execution of design works Execution of scientific research works
An individual permission is issued by the Head of the region for every single case. For
obtaining of a permission for access to ZONE I a document of examination for bearing of intestinal
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No. ACTIVITY EMPLOYERCONCERNED
AUTHORITIESCOORDINATION
1 Afforestation activitiesMinistry of Agriculture
and FoodMEW, MRD and MAF
Water supply and sewage
Panagyurishte
2Inspection forestry
activities
Ministry of Agriculture
and FoodMEW, MRD and MAF
Water supply and sewage
Panagyurishte
3Anti-erossion measures
Ministry of Agriculture
and FoodMEW, MRD and MAF
Water supply and sewage
Panagyurishte
4Forest melioration
activities
Ministry of Agriculture
and FoodMEW, MRD and MAF
Water supply and sewage
Panagyurishte
It should be noted that the above mentioned activities shall be executed according to designs
approved and agreed upon with the operation company Water Supply and Sewage Panagyurishte,so that they shall not impair the water source, the water intake structures and shall not worsen the
quality of water.
In order to guarantee the observance of all requirements it is advisible twenty-four-hour
armed security of ZONE I to be provided.
14.1.1. MARKING OF ZONE I
Obligatory fencing with permanent fence withj height not less than 1.40 m is foreseen for
ZONE I as per the attached design. The fence is marked with warning insriptions on signboards
placed at well visible distance from each other, average 100 m , made according to the GRAPHIC
PART of the current design. The paint used for the signboards shall be phosphorescence. Signboards
are placed at the entrance to the water catchment as well. The stands of the signboards shall be
embedded in the ground. The length along which a fence of ZONE I shall be installed is 5930,00 m .
For the dam lake area, there is a project for signalization of ZONE I in the water. It proposes
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Pollution with chemical, biological, rapidly decaying, easily degradable and
strongly sorbing substances
Activities, leading to decrease of the water resources and/or the design capacity of
the water intake structure;
Other activities, leading to worsening of the qualities of the abstrated water and/or
the condition of the water source;
The following activities, specifed in Table, are forbidden (F) , restricted (R) or restricted if
necessary (RIN) in ZONE II .
No. TYPES OF ACTIVITIES ZONE II
TIME PERIODOF
RESTRICTION
VALIDITY
PERMISSION forrepeal of the
restriction after
CONCERNEDAUTHORITIES
1 Extraction of mineral resources R 6 yearsEIA investigations
and procedure
MEW, RIEW, MH, MAF,MRD, NBCD,Panagyurishte
Municipality, WSS
2
Construction of overground andunderground civil structures except for
reconstruction and upgrading of themain water supply facilities
R 6 yearsEIA investigations
and procedure
MEW, RIEW, MH, MAF,MRD, NBCD,Panagyurishte
Municipality, WSS
3 Use of the terrain for new or existinggraveyards for new funerals F
4
Creation of new and extension ofexisting setllement territories for
permanent and seasonal use without
constructed sewage and treatmentfacilities, complying with the technical
specifications
F
5 Placement of water pipelines, not RIN 6 yearsEIA investigations
MEW, RIEW, MH, MAF,MRD, NBCD,
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g gSanitary protection zone /SPZ
9
Construction of facilities and industrial
activities, leading to increase ofeutrophicating substances content in
water
F
10 Construction of underground tanks anddepots for hazardous substances F
11 Livestock farms (without pig farms) F
12 Pig farms F
13 Private livestock farms RIN 6 yearsEIA investigations
and procedure
MEW, RIEW, MH, MAF,MRD, NBCD,Panagyurishte
Municipality, WSS
14 Manuring with liquid livestock manure R 6 yearsEIA investigations
and procedure
MEW, RIEW, MH, MAF,Panagyurishte
Municipality, WSS, National Service for Plant
Protection
15 Manuring with livestock manure and/orcompost R 6 yearsEIA investigations
and procedure
MEW, RIEW, MH, MAF,PanagyurishteMunicipality, WSS,
NSPP
16 Manuring with inorganic fertilizer R 6 yearsEIA investigations
and procedure
MEW, RIEW, MH, MAF,Panagyurishte
Municipality, WSS
17 Use of plant protection chemicals R 6 yearsEIA investigations
and procedure
RIEW, MH, MAF,Panagyurishte
Municipality, WSS, NSPP
18 Construction of silage pits R 6 yearsEIA investigations
and procedure
MEW, RIEW, MH, MAF,MRD, NBCD,Panagyurishte
Municipality, WSS, NSPP
19 Irrigation and manuring with waste
waterR 6 years
EIA investigations
and procedure
RIEW, MH, MAF, WSS,
NSPP
20 Use of aircrafts for dispersion offertilizers and pesticides F
EIA investigations RIEW, MH, MAF,
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g gSanitary protection zone /SPZ
Implementation of activity within the boundaries of ZONE II , for which restriction or
restriction at proven necessity is stipulated, is permitted by the concerned authorities only if the
activity initiators prove that the activity will not lead to negative effects for Luda Yana reservoir by
particular investigations and a Report for Environmental Impact Assessment.
If during the water use it is explicitly established that some of the restricted activities (R) or
(RIN) influence and worsen the quantity or quality of the supplied water, this activity shall be
forbidden with an Order of the Director of Water Basin Directorate .
Further clarification under item 24 of Table 14.2-1 Rest hou ses and simi lar include the
following types of tourist attraction:
1. Shelters:
1.1. Hotel publicly available building with minimum 20 rooms, where main and additional
tourist services, related to the stay of the tourists, are offered. The hotels are:
Apartment (studio) hotel only apartments or studios with facilities or furniture
for storing, preparation and consumption of food are available;
Hotel-residence shelters with high comfort and nontraditional service four
stars or five stars category, regardless of the number of the rooms, constructed
with full freedom of designing and architectural-creative solutions (residences,
ancient buildings, buildings cultural monuments, castles, etc.);
Club-hotel a shelter where tourists are served by interests and main and various
additional services are offered;
Spa hotel (climatic treatment or climatic spa hotel) for the regions with
healing water, climate and appropriately developed special equipment with the
relevant facilities and qualified medical personnel provided by the relevant
medical institution; in complex with appropriate restaurants;
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1.4. Tourist village - independent territorially distincted group of hotels, bungalows and
others with complexly constructed engineering and tourist infrastructure, where main and
various additional tourist services are offered. It has minimum 10 shelters or accommodation
premises and at least one dining and entertainment place.
2. Accommodation facilities:
2.1. Boarding house an accommodation place (usually for a longer period), furnished with
the most necessary furniture, facilities, dishes and utensils for self-service.
2.2. Rest house independent accommodation place with prevailing social functions and
infrastructure, offering health and spa, sport and other services.
2.3. Family hotel family houses or villas with appropriate architectural design with capacity
from 10 to 20 rooms for accommodation of tourists. The organization of the work is mainly
family based.
2.4. Rooms up to 5 rooms separate or in appartments, in one building, provided to tourists
for night accommodation.
2.5. Villa an independent accommodation place, a massive low-rise building, with
minimum: an antechamber, a lounge, two bedrooms, a kitchenette, a dining room, a
bathroom, a balcony and a parking. Garage is required only for five stars category.
2.6. House a low-rise building, with minimum 10 rooms for accomodation. The guests use
common premises like: a lounge, an equipped kitchen, a dining room and a relax place in the
yard. The service is carried out by the hosts.
2.7. Bungalow an acc
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