Poland - Construction of hydraulic engineering facilities

Description

The scope of this part of the order includes, among others:- preparatory works, which include, among others, measurement works, removal and removal of carp after the trees and branches have been cut down after the removal of the colliding bushes (the cutting down of the trees was done by PGW Wody Polskie with its own forces), setting up a temporary navigation marking for the duration of the works, after the agreement with the administrator, i.e. RZGW in Białystok, - dismantling of the two-sided reinforcement of the canal edges along its entire length and dismantling of both heads from the side of Lake Tałta and Lake Tałtowisko, - performing two-sided reinforcement of the canal edges along its entire length in the form of a steel sheet piling wall 6 to 11 m long with a reinforced concrete eyelet, measuring 60 cm x 60 cm,- making steel entrance ladders at intervals not exceeding 100 m alternately on both sides of the canal,- making 8 pairs of passages (fords) for animals on both sides of the canal,- reconstructing 2 heads at the inlets to the canal from the side of Lake Tałta and 2 heads from the side of Lake Tałtowisko,- unblocking the canal trough in order to achieve a minimum depth of 1,60 m with respect to the minimum water level in the canal 115,55 m n.p.m. (Kr60),- to make the entrances to the canal accessible from the side of Lake Tałta and Lake Tałtowisko at a width of 20-30 m and a length of up to 50 m into the depths of the lakes so as to obtain in this area for mines a water level in the canal 115.55 m above sea level. (Kr60) the minimum depth of 1.60 m,- unblocking sections of drainage ditches within the PGW Wody Polskie plots together with the outlets to the canal,- repair of the navigation truss mast from the side of Lake Tałty,- repair of the navigation pipe mast from the side of Lake Tałtowisko,- forming slopes of the canal up to an inclination of 1:2 and liquidation of field sinkholes together with humming and sowing with grass mixtures,- setting a new navigation marking in a form agreed with the administrator, i.e. RZGW in Białystok,- obtaining a decision on a permit to use the facility. The scope of this part of the order includes, among others:- preparatory works, which include, among others, measurement works, removal and removal of carp after the trees and branches have been cut down after the removal of the colliding bushes (the cutting down of the trees was done by PGW Wody Polskie with its own forces), setting up a temporary navigation marking for the duration of the works, after the agreement with the Administrator, i.e. RZGW in Białystok, - dismantling of the two-sided reinforcement of the canal edges along its entire length and dismantling of both heads from the side of Lake Tałtowisko and Lake Kotek Wielki, - making the two-sided reinforcement of the canal edges along its entire length in the form of a steel sheet piling wall from 8 to 14 m long with a reinforced concrete eyelet, measuring 60 cm x 60 cm,- making steel entrance ladders at intervals not exceeding 100 m alternately on both sides of the canal,- making 2 pairs of passages (fords) for animals on both sides of the canal,- restoring 2 heads at the inlets to the canal from the side of Lake Tałtowisko and 2 heads from the side of Lake Kotek Wielki,- making the canal's trough more open in order to achieve a minimum depth of 1,60 m with respect to the minimum water level in the canal 115,55 m n.p.m. (Kr60),- to make the entrances to the canal accessible from the side of Lake Tałtowisko and Lake Kotek Wielki at a width of 20-30 m and a length of up to 50 m into the depths of the lakes so as to obtain in this area for mines the water level in the canal 115.55 m above sea level. (Kr60) minimum depth of 1.60 m, - securing the outlet of the PGW Wody Polskie drainage pumping station, - repair of the steel pipe navigation mast from the side of Lake Tałtowisko, - repair of the steel pipe navigation mast from the side of Lake Kotek Wielki, - forming the slopes of the canal to an incline of 1:2 and elimination of field sinkholes together with humus and sowing with grass mixtures, - setting a new navigation marking in a form agreed with the administrator, i.e. RZGW in Białystok,- obtaining a decision on a permit to use the facility. The scope of this part of the order includes, among others:- preparatory works, which include, among others, measurement works, removal and removal of carp after the trees and branches have been cut down after the removal of the colliding bushes (the cutting down of the trees was done by PGW Wody Polskie with its own forces), setting up a temporary navigation marking for the duration of the works, after the agreement with the Administrator, i.e. RZGW in Białystok, - dismantling of the two-sided reinforcement of the canal edges along its entire length (both reinforced concrete slab-and-pile reinforcements, anchor piles with steel welts as well as remnants of biological insurance: dismantling of the structure left and right bank head from the side of Lake Kotek Wielki and liquidation of the remains of pile and facade insurance from the side of Lake Szymon (heads from the side of Lake Szymon do not exist),- making a two-sided reinforcement of the canal edges along its entire length in the form of a steel tight wall 6 to 14 m long with a 60 cm x 60 cm reinforced concrete eyelet,- making steel entrance ladders at intervals not exceeding 100 m alternately on both sides of the canal,- making 9 pairs of passages (fords) for animals on both sides of the canal,- restoring 2 heads at the inlets to the canal from the side of Kotek Wielki Lake and making 2 heads from the side of Szymon Lake,- opening the canal trough in order to obtain a minimum depth of 1.60 m in relation to the minimum water level in the canal 115.55 m n.p.m. (Kr60),- to make the entrances to the canal accessible from the side of Kotek Wielki Lake and Szymon Lake at a width of 20-30 m and a length of up to 50 m into the depths of the lakes so as to obtain in this area for mines the water level in the canal 115.55 m above sea level. (Kr60) minimum depth of 1.60 m,- unblocking sections of drainage ditches within the boundaries of PGW Wody Polskie plots together with outlets to the canal,- renovation of the navigation truss mast from the side of Kotek Wielki Lake,- construction of the navigation truss mast from the side of Szymon Lake,- forming slopes of the canal up to gradient 1:2 and the elimination of field sinkholes together with humming and sowing with grass mixtures, - setting a new navigation marking in the form agreed with the administrator, i.e. RZGW in Białystok,- obtaining a decision on a permit to use the facility.

Opportunity closing date

16 March 2020

Value of contract

to be confirmed