1. The proceedings are conducted on the basis of the provisions of the Act of 11 September 2019. Public procurement law – hereinafter referred to as the 'PPL Law' – and implementing regulations issued on its basis,

in particular, the Regulation of the Minister of Development, Labour and Technology of 23 December 2020 on subjective means of proof and other documents or statements that the contracting authority may request from the contractor – hereinafter referred to as the "MR Regulation" –

in the open tender procedure.

2. Pursuant to Article 139 of the PPL Act, the Contracting Authority shall first examine and evaluate the tenders, and then make a subjective qualification of the contractor whose tender has been rated the highest,

in the absence of grounds for exclusion and meeting the conditions for participation in the proceedings.

3. The contracting authority informs that, pursuant to Article 257 of the PPL, it may cancel the procurement procedure in question if the public funds intended by the contracting authority

Maintenance of slopes, roadsides and watercourse bottom (VAT 8%)

- Mowing lichens manually from slopes and roadsides with raking and laying on the roadside in a roller dense, soft lichen (20% of the area); km: 0+000 - 5+450 ; km: 5+850 – 27+835, bill of quantities: 190088*0,2= 38,018 m2

- Mowing lichens manually from slopes and roadsides with raking and laying on the roadside in a roller dense, hard lichen (80% of the area); km: 0+000 - 5+450; km: 5+850 – 27+835, bill of quantities: 190088*0,8= 152,070 m2

- Manual shearing of the average density of bushes and suckers (4% of the slope area was assumed pointwise along the entire length), km:0+000 - 5+450; km: 5+850 - 27+835, bill of quantities: 162 653 * 0,04 = 0.65ha

- Mechanical mowing of lichens with a boat mowing from the bottom in km: 0+650 - 7+240 with excavator extraction to the shore – loader of mowed lichens

km: 0+650 - 5+070 ( 4420 m ) bottom width 5.0 m = 22 100 m2

km: 5+070 - 5+230 (160 m ) wide bottom 7 m = 1120 m2

km: 5+230 - 5+450 ( 220 m ) bottom width 5.0 m = 1100 m2

km: 5+450 - 5+850 ( 400 m ) bottom width 3.0 m = 1200 m2

km: 5+850 - 7+240 ( 1390 m ) bottom width 3.0 m = 4170 m2

przedmiar: 29690 m2

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller; dense lichen

km: 7+240 – 27+835, przedmiar: 52 071 m2

- Removal of natural and man-made obstacles from inland surface waters (pointwise along the entire length), km: 0+000 - 5+450; km: 5+850 – 27+835, bill of quantities: 100 RG

- Cleaning the river bed of accumulated pollution - 2 rg per 1 km of the river was assumed, km: 0+000 - 5+450; km: 5+850 – 27+835, bill of quantities: 27.435*2 = 54.87 rg

Slope construction VAT 23 %

NOTE – detailed requirements for the performance of the following scope of maintenance works are specified in the Technical Specification for the Execution and Acceptance of Works constituting Annex 1 to OPZ

- Preparation of the ground for embankments by manual leveling of the surface in the ground category I-III for the stepped connection of the existing slope km: 4+740 – 4+840 bill of quantities: 100*3 = 300 m2.

- Earthworks performed with backhoes 0.60 m3 in the ground category IV previously stored in heaps with earth transport by dump trucks (compaction coefficient 1.2), bill of quantities: 300*0.5*1.2 = 180 m3

- Compaction of embankments with mechanical rammers, loose soils category I-III location as above, bill of quantities: 180 m3

- Making individual bands from fascine sausage with diameter. 20 cm pegs 3,1 pcs/m reinforcement location: above, bill of quantities; 100 m fortification

- Making individual bands from fascine sausage with diameter. 20 cm - technological transport from land location: as above, bill of quantities: 100 m fortification

- Laying the filter nonwoven fabric under insurance from mesh and stone mattresses. Laying non-woven fabric on the plant; Location: as above, bill of quantities: 300*1.28 = 384 m2

- Making baskets of steel mesh without expedition (0.23 m) filled with 16-20 cm fieldstone paving stones and supported in the bottom of the watercourse with a palisade of fascine pegs, location as above. ,bill of quantity:100*3*0,23= 69 m3

- Making baskets from steel mesh without expedition - technological transport location as above,

przedmiar:100*3*0,23 = 69 m3

- Making a palisade of pegs or posts with diameter. 10-12 cm and 1.20 m long in gr.cat.I-III - palisade at the beginning and end of the stone armour location as above, bill of quantities: 3+3 = 6 m

Słubice Canal: Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens by hand from the slopes and roadsides of the Słubice Canal, with raking and laying on the roadside in a roller; dense, soft lichen (20% of the total) km:0+000 - 8+710, bill of quantities: 50263*0,2=10053 m2

- Mowing lichens by hand from the slopes and shoulders of the Słubice Canal, with raking and laying on the roadside in a roller, at km 0+000 to 8+710; dense, hard lichen (80% of the total) km: 0+000 - 8+710 bill of quantities: 50263*0,8=40210 m2

- Manual shearing of the average density of bushes without grubbing (pointwise along the entire length of about 4% of the slope area ;p rows- 41533* 0.04 = 0.17 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller; dense lichen

km: 0+000 - 8+710 ; przedmiar:7896 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+000 - 8+710 ; Bill of quantities: 80 RG

- Cleaning the river bed from accumulated impurities - 2 rg per 1 km of the river km was assumed: 0+000 - 8+710

przedmiar: 8,710*2=17,42 rg.

Suchodolski Trench: Maintenance of slopes, roadsides and river bed (Vat 8%)

- Mowing lichens by hand from slopes and ditch shoulders with raking and laying on the roadside in a roller; dense, soft lichen (20% of the area) km: 0+134 - 2+130 ; bill of quantities: 16 381*0,2=3 276 m2

- Mowing lichens manually from slopes and ditch shoulders with raking and laying on the roadside into a roller, dense, hard lichen (80% of the area) km: 0+134 - 2+130 ; bill of quantities: 16 381*0,8=13 105 m2

- Manual cutting of bushes of medium density, without grubbing, (pointwise along the entire length of about 2 % of the slope area) km: 0+134 - 2+130 ; bill of quantities: 14 385*0.02=0.03 ha

- Mowing lichens manually from the bottom of the Suchodolski ditch, with extraction and laying on the roadside in a roller, dense lichen km:0+134 - 2+130 ; bill of quantities: 1 198 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+134 - 2+130; Bill of quantities: 30 RG

- Cleaning the ditch bed from accumulated impurities - 2 rg per 1 km of the river km was assumed: 0+134 - 2+130

przedmiar: 1,996*2=3,99 rg

Ditches of the Białobrzegi valley: Maintenance of slopes, roadsides and ditch bottoms (Vat 8%)

- Mowing lichens manually from slopes and ditch shoulders with raking - dense hard lichen (80% of the slope area), bill of quantities: 33 267 * 0,8 = 26614 m2

- Mowing lichens manually from slopes and ditch shoulders with raking - soft dense lichen (20% of the slope area) location as above, bill of quantities: 33 267*0,2 = 6653 m2

- Manual cutting of the average density of bushes and their suckers without grubbing (pointwise along the entire length of about 3% of the slope area) location as above, bill of quantities: 26 039 * 0.03 = 0.08ha

- Mowing lichens manually from the bottom of the watercourse with extraction and laying on the roadside in a roller - dense lichen - bill of quantities: 4 653 m2

- Extraction from the bottom of the watercourse of plants rooting at overgrowth up to 60%. Ditch B-3 km: 0+000 – 0+440. bill of quantities: 264 m2

- Cleaning the ditch bed from accumulated impurities - 3 rg per 1 km of ditch was assumed - bill of quantities: 7.228*3= 21.68 rg

Mechanical bottom mowing and culvert cleaning ( VAT 23 %)

- Cleaning of culverts with avg. 0,60 m with turf abutments; degree of silting up to 0.60 wire diameter Ditch R B-3 km: 0+172 = 6 m; km: 0+353 = 7 m; bill of quantities: 13 m

- Mechanical mowing of the bottom with a mowing bucket of watercourses with a bottom width of up to 1.1 m; (mower-desilt) - a coefficient of 0.3 of the desilting standard was applied to the inputs at the thickness of the silt layer 0.20 m R C-1 km: 0+000 - 0+397, bill of quantities: 397 m

Ditches of the Ośnicka Valley

Maintenance of slopes, roadsides and ditch bottoms (Vat 8%)

- Mowing lichens manually from slopes and ditch shoulders with raking - dense, hard lichen (80% of the slope area) r-1, bill of quantities: 25 528 * 0.8 = 20 422 m2

- Mowing lichens manually from slopes and ditch shoulders with raking - dense, soft lichen (20% of the slope area) r-1, bill of quantities: 25 528 * 0.2 = 5 106 m2

- Manual shearing of the average density of bushes and their suckers without grubbing (pointwise along the entire length of about 1% of the slope area) location as above, bill of quantities:19864*0.01=0.020 ha

- Mowing lichens by hand from the bottom of ditches with raking and laying on the roadside in a roller - dense lichen r-1, bill of quantities: 2 833 m2

-Cleaning the ditch bed from accumulated impurities - 3 rg per 1 km of ditches was assumed location as above bill of quantities: 5.664 * 3 = 16.99 rg

Białobrzegi Feeder: Maintenance of slopes, roadsides and bottom of the canal (Vat 8%)

- Mowing lichens manually from slopes and roadsides of the canal with raking and laying on the roadside into a roller dense, hard lichen (80% of the slope area), bill of quantities: 30338*0.8=24270 m2

- Mowing lichens manually from slopes and canal shoulders with raking and laying on the roadside into a roller dense, soft lichen (20% of the slope area), bill of quantities: 30338*0.2=6068 m2

- Manual shearing of the average density of bushes and their suckers without grubbing (pointwise over the entire length of about 4 % of the slope area), bill of quantities:17392*0,04=0.07 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller - dense lichen, bill of quantities: 8722 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length), bill of quantities: 40 rg

- Cleaning the canal bed from accumulated impurities - 2 rg per 1 km of the river was assumed, km:0+460 - 2+320; km: 3+851 - 4+456; km: 4+677 - 4+792; km: 4+906 - 7+350, bill of quantities: 5,024*2=10.05 rg

Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens manually from slopes and roadsides of the watercourse with raking and laying on the roadside in a roller; dense, hard lichen (50% of the area) - km: 0+000 - 9+150 (9150) km: 9+500 - 18+475 (8975); bill of quantities:113 774*0.5 m2 = 56 887

- Mowing lichens manually from slopes and roadsides of the watercourse with raking and laying on the roadside in a roller; dense, soft lichen (50% of the area) - km: 0+000 - 9+150 (9150) km: 9+500 - 18+475 (8975); bill of quantities: 113 774*0.5 m2 = 56 887

- Manual shearing of the average density of bushes and suckers (pointwise along the entire length of about 4% of the slope area) km:0+000 - 9+150 km: 9+500 - 18+475 ; bill of quantities: 956490*0,04 = 0,38 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller; dense lichen, - km: 0+000 - 9+150 (9150) km: 9+500 - 18+475 (8975); bill of quantities: 12 648 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+000 - 9+150 km: 9+500 - 18+475. ; Bill of quantities: 80 RG

- Cleaning the watercourse bed from accumulated impurities - 2 rg per 1 km of the watercourse was assumed: 0+000 - 9+150 km: 9+500 - 18+475; Bill of quantities: 18.125*2 =36.3 RG

Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens manually from slopes and roadsides with raking and laying on the roadside in a roller - dense, hard lichen (80% of the slope surface) km: 0+000 -0+800 (800) km:10+864 - 10+914 (50) km: 21+710 - 27+873 (6153) km: 36+974 - 39+450 (2476) ;

przedmiar:54607*0,8=43686 m2

- Mowing lichens by hand from slopes and roadsides with raking and laying on the roadside into a roller - dense, soft lichen (20% of the slope area) km: 0+000 - 0+800 km:10+864 - 10+914 km: 21+710 - 27+873 km: 36+974 - 39+450 ;

przedmiar: 54607*0,2=10921 m2

- Manual shearing of the average density of bushes and suckers without grubbing (pointwise along the entire length of about 5% of the slope area) km: 0+000 - 0+800, km: 10+864 - 10+914, km: 21+710 - 27+873, km: 36+974 - 39+450 bill of quantities:45118*0,05=0.23 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller - dense lichen km: 0+000 - 0+800, km:10+864 - 10+914, km: 21+710 - 27+873, km: 36+974 - 39+450,

przedmiar: 17973 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+000 - 0+800, km: 10+864 - 10+914, km: 21+710 - 27+873, km: 36+974 - 39+450 ;

Bill of quantities: 80 hours

- Cleaning the river bed of accumulated pollution - 2 rg per 1 km of the river was assumed: 0+000 - 0+800, km:10+864 - 10+914, km: 21+710 - 27+873, km: 36+974 - 39+450,

przedmiar: 9,489*2=18,98 rg

Construction of the gap (Vat 23%)

NOTE – detailed requirements for the performance of the following scope of maintenance works are specified in the Technical Specification for the Execution and Acceptance of Works constituting Annex 1 to OPZ

- Preparation of the substrate for embankments by manual grooving of the surface in the ground category I-III;

przedmiar: 54 m2.

- Filling the cavity in the embankment with a granulation of 0-31.5 mm (purchase of the company together with transport) Compaction coefficient1.2

przedmiar: 45*1,2 = 54 m3

- Compaction of embankments with mechanical rammers; loose soils category I-III; Compaction factor 1.2

przedmiar: 45*1.2 = 54 m3

Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens by hand from slopes and river shoulders with raking and laying on the roadside into a roller - dense, hard lichen (80% of the slope area), Km: 5+214-16+638; bill of quantities: 60649*0,8=48519 m2

- Mowing lichens manually from slopes and river shoulders with raking and laying on the roadside in a roller - dense, soft lichen (20% of the slope area); Miles; 5+214 -16+638; Bill of quantities: 60649*0,2=12130 m2

- Manual shearing of the average density of bushes and their suckers without grubbing (pointwise along the entire length of about 5% of the slope area); km: 5+214-16+638; Bill of quantities: 49225*0,05=0,25 ha

- Mowing lichens manually from the bottom of the watercourse with extraction and laying on the roadside in a roller - dense lichen

km: 5+214 -16+638; przedmiar: 9383 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length); km: 5+214-16+638; Bill of quantities: 100rg

- Cleaning the river bed from accumulated pollution - 4 rg per 1 km of the river was adopted; km: 5+214 – 16+638; Bill of quantities: 11.424*4= 45.7 RG

Culvert execution (VAT 23 %)

NOTE – detailed requirements for the performance of the following scope of maintenance works are specified in the Technical Specification for the Execution and Acceptance of Works constituting Annex 1 to OPZ

- Removal and disposal of 14 pieces of reinforced concrete beams, measuring 0.35x0.30x6.30, from the farm crossing in order to lay reinforced concrete circles fi 800, location km: 10+988

- Earth bulkheads with a height of up to 1.5 m with strengthening the foot of the slope with flat turf, backfilling the bed and mining the earth using it to fill the circles above the sand backfill (purchase of land with transport) location as above. ,bill of quantities: 5 m3

- Drainage of the foundation excavation by pumping water from the excavation location as above, bill of quantities: pcs. 1

- Laying of concrete and reinforced concrete pipelines performed mechanically; Wed. pipes 0,8 m - reinforced concrete socket pipe, location as above, bill of quantities: 6 m

- Backfilling of excavations with slopes with metastasis to odl. up to 3 m with compaction; category IV - backfilling of the sealed pipeline with purchased sand to a height of 0.30 m above the coils and manual compaction - natural sand dug (purchase of sand with transport), location as above, bill of quantities: 2.74 m2* 6m

- Manual excavations for buildings with displacement of soil to deposit; gr. cat. III (excavation under the pipeline to a depth of 0.5 m for built paddocks), location: as above, bill of quantities: (6*0.5*0.4)*2

- Strengthening slopes, excavations and embankments; turf on the wall (on the hem) with 40x40 cm patches (making sod abutments along with killing wooden pins fixing the sheets of turf) location: as above; bill of quantities: 14 m2*2

- Strengthening slopes, excavations and embankments; turf on the wall (on the hem) with 40x40 cm sheets - technological transport, location: as above;

- Making individual bands from fascine sausage with diameter. 20 cm, with killing wooden dowels in the amount of 3 pcs / m (execution of fortifications at the length of 2.0 m at the inlet and 3.0 m at the outlet),

- Strengthening slopes, excavations and embankments - biotextile on a layer of humus 5 cm thick,

- Making baskets of steel mesh without a trip (making a reinforcement of 3.0 m at the inlet and 2.0 m at the outlet of passages, height 2.0 m and reinforcement thickness 23 cm), location: as above. bill of quantities: (3+2)*2*2*0.23 = 4.60 m3

- Making baskets from steel mesh without expedition - technological transport, location: as above.

przedmiar :4,60 m3

- Surface made of crushed stone with a granulation of 0 - 61 mm - thickness after compaction 40 cm. Execution of the surface on the laid crossing, location as above; Bill of quantities: 6*6.

Słupianka River:

Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens manually from slopes and river sides (including deposited spoil) with raking and laying on the roadside into a roller dense, hard lichen ( 80% of the slope area ) km:0+000-1+026 ( 1026 ) km:1+576-6+953 (5377) km:15+397- 19+931 ( 4534 ) km: 20+091 - 20+135 ( 44 ),

- Mowing lichens manually from slopes and river sides (including deposited spoil) with raking and laying on the roadside in a roller - dense, soft lichen (20% of the slope area) km:0+000-1+026; km:1+576-6+953; km:15+397- 19+931; km: 20+091 - 20+135 ,

- Mowing lichens by hand from the area between the foot of the embankment slope and the edge of the river escarpment; dense, hard lichen, river km: 0+371 - 0+646 ,

- Manual shearing of the average density of bushes and their suckers without grubbing (pointwise along the entire length of about 4% of the slope area) km:0+000-1+026; km:1+576-6+953; km:15+397- 19+931; km: 20+091 - 20+135

- Mowing lichens manually from the bottom of the watercourse with extraction and laying on the roadside in a roller - dense lichen km:0+000-1+026; km:1+576-6+953; km:15+397- 19+931; km: 20+091 - 20+135

-Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km:0+000-1+026; km:1+576-6+953; km:15+397- 19+931; km: 20+091 - 20+135

- Cleaning the river bed of accumulated pollution - 2 rg per 1 km of the river km:0+000-1+026 was assumed; km:1+576-6+953; km:15+397- 19+931; km: 20+091 - 20+135 ;

Reinforcement of the bottom and slopes of the river with rock armour (VAT 23 %)

- Excavations and excavations made with backhoes 0.40 m3 per deposit in the ground category III. Photo of a 20 cm layer of soil from slopes under a stone armour. Spreading of spoil along the slopes of the watercourse. km 8+036;

- Laying the filter nonwoven fabric under the insurance of bulk stone bedspread. Laying non-woven fabric on the plant 20 cm km: 8+036 ; bill of quantities: (3*4*6)*1.2 = 86.4 m2

- Making a stone armour in bulk from the shore - strengthening the bottom and slopes, at concrete elements, watercourse with a field stone armour with a diameter of up to 20 cm. Reinforcement of 3 m on both sides of concrete elements, reinforcement thickness 20 cm km; 8+036; Bill of quantities: (3*4*6)*0.2 = 14.4 m3

-Execution of stone armour in bulk from the shore - technological transport km:8+036;

- Making a palisade of pegs or posts with diameter. 10-12 cm and 1.20 m long in gr.cat.I-III - palisade at the beginning and end of fortifications km:8+036 ;

Rosica River:

Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens by hand from slopes and river sides with raking and laying on the roadside into a roller - dense, hard lichen (80% of the slope area) km: 6+990 - 10+690,

- Mowing lichens manually from slopes and river shoulders with raking and laying on the roadside in a roller - dense, soft lichen (20% of the area of slopes km: 6+990 - 10+690),

- Manual shearing of the average density of bushes and their suckers without grubbing (pointwise along the entire length of about 4% of the slope area) km: 6+990 - 10+690,

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller - dense lichen km: 6+990 - 10+690,

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 6+990 – 10+690,

- Cleaning the river bed from accumulated pollution - 3 rg per 1 km of the river was assumed: 6+990- 10+690

River R-B: Maintenance of slopes, shoulders and river bed ( VAT 8% )

1. Mowing lichens manually from slopes and river sides with raking and laying on the roadside in a roller - dense, hard lichen (80% of the slope area) km:0+000-6+705 ;

przedmiar: 54249*0,8 = m2 43399

2. Mowing lichens manually from slopes and river shoulders with raking and laying on the roadside in a roller - dense, soft lichen (20% of the slope area) km:0+000-6+705 ;

przedmiar: 54249*0,2 = m2 10850

3.Manual shearing of the average density of bushes and their suckers without grubbing (pointwise along the entire length of about 4% of the slope area) km: 0+000-6+705 ;

przedmiar:47544*0.04 = ha 0.19

4.Mowing lichens manually from the bottom of the watercourse with extraction and laying on the roadside in a roller - dense lichen km:0+000 - 6+705;

przedmiar: 4182 m2

5.Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+ 000 - 6+705,

przedmiar: 80 rg

6.Cleaning the river bed from accumulated pollution - assumed 2 rg per 1 km of the river km: 0+000 - 6+705

przedmiar: 6,705*2 rg 13.41

River R A-4: Maintenance of slopes, shoulders and river bed ( VAT 8% )

1.Mowing lichens manually from slopes and river sides with raking and laying on the roadside in a roller - dense, hard lichen km:0+000-0+632 ;

przedmiar: 3729 m2

2.Manual shearing of the average density of bushes and their suckers without grubbing (pointwise along the entire length of about 3% of the slope area) km;0+000-0+632 measure:3097*0,03 ;

przedmiar: 0.01 ha

3.Mowing lichens manually from the bottom of the watercourse with extraction and laying on the roadside in a roller - dense lichen km:0+000-0+632;

przedmiar: 316 m2

4.Cleaning the river bed from accumulated impurities - assumed 2 rg per 1 km of the river, km:0+000 - 0+632 ;

przedmiar: 0,632*2 ; rg 1.26

River Ryksa: Maintenance of slopes, roadsides and river bed (Vat 8%)

- Mowing lichens by hand from slopes and river sides with raking and laying on the roadside in a roller - dense, hard lichen (80% of the slope area) km: 0+000 - 2+200 ( 2200 ) km: 7+302 - 7+782 ( 480 ) km; 11+340-11+640 ( 300 ) KM: 13+337 -21+912 ( 8575 ) KM: 21+939 - 22+070 ( 131 ) Bill of quantities:62767*0,8=50214 m2

- Mowing lichens manually from slopes and river shoulders with raking and laying on the roadside in a roller - dense, soft lichen (20% of the slope area) km: 0+000 - 2+200 km: 7+302 - 7+782 km; 11+340-11+640 km: 13+337 - 21+912 km: 21+939 - 22+070,

przedmiar:62767*0,2=12553 m2

- Manual shearing of the average density of bushes and their suckers without grubbing (points in km above about 6% of the slope area) km: 0+000 - 2+200, km: 7+302 -7+782, km: 11+340 - 11+640, km: 13+337-21+912, km: 21+939 - 22+070,

PRZEDMIAR: 51054*0,06=0.31 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller - dense lichen km: 0+000 -2+200 km: 7+302 -7+782 km:11+340-11+640 km: 13+337 - 21+912 km: 21+939 - 22+070, bill of quantities: 11653 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland waters (pointwise along the entire length) km: 0+000-2+200, km:7+302-7+782, km: 11+340-11+640, km:13+337 - 21+912, km: 21+939-22+070,

przedmiar: 80 rg

- Cleaning the river bed of accumulated pollution - 2 rg per 1 kna of the river was adopted km: 0+000-2+200 km: 7+302-7+782, km: 11+340-11+640, km: 13+337-21+912, km: 21+939-22+070

przedmiar: 11,686*2=23.37 rg

Suchodolski Canal I. Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens manually from slopes and roadsides, with raking and laying on the roadside into a roller, dense, hard lichen (50% of the area of km: 0+000 - 2+330; 2+650 - 2+910; 4+850 - 8+670; 9+070 - 9+230; 9+710 13+260; 13+660 - 18+680 ; bill of quantities: 104527*0,5= 52,263,5 m2

- Mowing lichens by hand from slopes and roadsides, with raking and laying on the roadside in a roller, dense, soft lichen (50% of the total) km: as above. ; bill of quantities: 104527*0,5= 52263,5 m2

- Manual cutting of the average density of bushes, without grubbing (pointwise along the entire length of about 5% of the slope area) km: as above; bill of quantities: 89387*0,05=0.45 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller; dense lichen km: 0+000 - 2+330; 2+650 - 2+910; 4+850 - 8+670; 9+070 - 9+230; 9+710 13+260; 13+660 - 18+680,

przedmiar: 11508 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+000 - 2+330; 2+650 - 2+910; 4+850 - 8+670; 9+070 - 9+230; 9+710 13+260; 13+660 - 18+680 ; Bill of quantities: 80 RG

- Cleaning the river bed of accumulated impurities - assumed 2 rg per 1 km of the river km: as above: 15,140* 2= 30.28 rg

Suchodolski Canal II. Maintenance of slopes, roadsides and the bottom of the watercourse (Vat 8%)

- Mowing lichens manually from slopes and roadsides with raking and laying on the roadside in a roller, at km 0+000 - 6+236; dense, hard lichen (80% of the area) km: 0+000 - 4+448 ( 4448 m ); 5+568 - 6+008 ( 440 m ); 6+118 - 6+236 ( 118 m ) ; bill of quantities:31593*0,8 =25274 m2

- Mowing lichens by hand from slopes and roadsides with raking and laying on the roadside in a roller; dense, soft lichen (20% of the area) km: as above ; bill of quantities: 31593*0,2=6319 m2

- Manual shearing of the average density of bushes, without grubbing (pointwise along the entire length of about 3% of the slope area) km: as above. ; bill of quantities:26587*0,03=0.08 ha

- Mowing lichens manually from the bottom of the watercourse with extraction and laying on the roadside in a roller, dense lichen

km: 0+000 - 4+448; 5+568 - 6+008; 6+118 - 6+236 ; przedmiar: 3503 m2

-Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+000 - 4+448; 5+568 - 6+008; 6+118 - 6+236 bill of quantities: 60 RG

- Cleaning the river bed of accumulated impurities - 2 rg per 1 km of the river was assumed: as above. Bill of quantities: 5.006*2= 10.01 RG

Kozikowski Canal. Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens by hand from slopes and roadsides, with raking and laying on the roadside in a roller, Kozikowski Canal dense, soft lichen (20% of the total) km:0+000 - 2+580 ; bill of quantities: 18313*0,2 =3663 m2

- Mowing lichens by hand from slopes and roadsides, with raking and laying on the roadside in a roller, Kozikowski Canal; dense, hard lichen (80% of the total) km: 0+000 - 2+580 ; bill of quantities: 18313*0,8 =14650 m2

- Manual felling of rare bushes without grubbing (pointwise along the entire length of about 3% of the slope area; bill of quantities: 15 733 * 0.03 = 0.05 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller; dense lichen km: 0+000 - 2+580 ; bill of quantities: 1548 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+000 - 2+580 ; Bill of quantities: 20 RG

- Cleaning the river bed from accumulated pollution - 2 rg per 1 km of the river km was assumed: 0+000 - 2+580 ; Bill of quantities: 2.580*2= 5.16 RG

Arciechowski Canal. Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens by hand from slopes and roadsides of the watercourse with raking and laying on the roadside in a roller; dense, hard lichen (80% of the area) km 0+000-6+350 km: 6+650-8+147; bill of quantities: 43635*0,8= 34908 m2

- Mowing lichens by hand from slopes and roadsides, with raking and laying on the roadside in a roller, dense lichen; soft (20 % of the area) km: 0+000-6+350 km: 6+650-8+147 ; bill of quantities: 43635*0,2=8727 m2

- Manual shearing of bushes and suckers of medium density, without grubbing (pointwise along the entire length of about 6% of the slope area). km: 0+000 - 6+350 km: 6+650 - 8+147; bill of quantities: 35788*0,06=0.21 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller; dense lichen km: 0+000 – 0+300; 2+895 -6+350; : 6+650 - 8+147 ; bill of quantities: 3 496 m2

- Extraction from the bottom of the watercourse of plants rooting at overgrowth up to 60%; km: 0+300 - 2+895 ;

przedmiar: 2529 m2

-Removal of natural obstacles, fallen trees and man-made effects from inland waters (pointwise along the entire length) km: 0+000 - 6+350 km: 6+650 - 8+147. ; Bill of quantities: 80 RG

- Cleaning the river bed of accumulated pollution - assumed 2 rg per 1 km of the river km: 0+000 - 6+650 km: 6+650 - 8+147 ; Bill of quantities: 7.847*2=15.69 RG

Januszewski Canal. Maintenance of slopes, roadsides and the bottom of the watercourse ( VAT 8% )

- Mowing lichens by hand from slopes and roadsides of the watercourse with raking and laying on the roadside in a roller; dense, hard lichen (80% of the area) km: 0+000 - 11+265 ; bill of quantities: 63256*0,8= 50605 m2

- Mowing lichens manually from slopes and roadsides of the watercourse with raking and laying on the roadside in a roller; Lichen dense, soft. ( 20 % of the surface area ) km: 0+000 - 11+265 ; bill of quantities: 63256*0,2= 12651 m2

-Manual shearing of the average density of bushes and suckers, without grubbing (pointwise along the entire length of about 4% of the slope area) km: 0+000 - 11+265 ; bill of quantities: 51991*0.04 = 0.21 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the side of the road in a roller, dense lichen. km: 0+000 - 11+265 ; bill of quantities: 8817 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+000 - 11+265 ; Bill of quantities 80 RG

- Cleaning the river bed from accumulated pollution - 2 rg per 1 km of the river km was assumed: 0+000 - 11+265 ; Bill of quantities: 11.265*2=22.53 RG

Mud cleaning of culverts ( VAT 23 %)

- Cleaning of culverts with avg. 0,80 m with turf abutments; degree of silting up to 0.66 of the cable diameter km: 2+960; 3+030; 3+080; 3+200 ; Bill of quantities: 28 m

Rz. Echinacea. Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens by hand from slopes and river shoulders with raking and laying on the roadside in a roller; dense, hard lichen (80% of the area) km: 0+000 - 5+190 (5190 m); km: 5+490- 6+705 (1215 m); km: 6+905 - 8+187 (1282 m) ; bill of quantities: 41 814*0.8 = 33451 m2

- Mowing lichens by hand from slopes and river shoulders with raking and laying on the roadside in a roller; Lichen dense, soft. (20% of the slope area) - km: 0+000 - 5+190; km: 5+490- 6+705; km: 6+905 - 8+187

przedmiar: 41 814*0,20=8363 m2

- Manual shearing of the average density of bushes and suckers, without grubbing, pointwise along the entire length of about 4% of the slope area) - km: 0+000 - 5+190; km: 5+490- 6+705; km: 6+905 - 8+187

przedmiar: 33 827*0,04=0.14 ha

- Mowing lichens manually from the bottom of the watercourse with extraction and laying on the roadside in a roller, dense lichen - km: 0+000 - 5+190; km: 5+490- 6+705; km: 6+905 - 8+187; bill of quantities: 8 967m2

- Removal of natural and man-made obstacles from inland surface waters (pointwise along the entire length - km: 0+000 - 5+190; km: 5+490- 6+705; km: 6+905 - 8+187 ; Bill of quantities: 60 RG

- Cleaning the river bed from accumulated pollution - 2 rg per 1 km of the river was assumed - km: 0+000 - 5+190; km: 5+490- 6+705; km: 6+905 - 8+187; Bill of quantities: 7.687*2=15.37 RG

Rz. Giżycki Canal. Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens manually from slopes and canal shoulders with raking and laying on the roadside in a roller; dense, soft lichen (20 % of the area) km: 0+000 - 9+671 ; bill of quantities: 63987*0,2=12797 m2

- Mowing lichens manually from slopes and roadsides of the watercourse with raking and laying on the roadside in a roller; dense, hard lichen (80% of the area) km: 0+000 - 9+671 ; bill of quantities: 63987*0,8=51190 m2

- Manual felling of bushes and suckers of medium density, without grubbing (pointwise along the entire length of about 4% of the slope area) km: 0+000 - 9+671 ; bill of quantities: 54316*0.04=0.22 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller; dense lichen km: 0+000 - 9+671 ; bill of quantities: 8384 m2

- Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+000 - 9+671 ; Bill of quantities: 60 RG

- Cleaning the river bed from accumulated pollution - assumed 2 rg per 1 km of the river km: 0+000 - 9+671 ; Bill of quantities: 9.621*2= 19.24 RG

Rz. Brzozówka Canal. Maintenance of slopes, shoulders and river bed (Vat 8%)

- Mowing lichens manually from slopes and roadsides of the watercourse with raking and laying on the roadside in a roller; dense, hard lichen (80 % of the area) km: 0+000 - 4+882; bill of quantities: 22179*0.8 = 17743 m2

- Mowing lichens by hand from slopes and roadsides of the watercourse with raking and laying on the roadside in a roller; Lichen dense, soft. ( 20 % of the surface area ) km: 0+000 - 4+882 ; bill of quantities: 22179*0,2=4436 m2

- Manual shearing of the average density of bushes and suckers, without grubbing (pointwise over the entire length of about 2 % of the slope area) km:0+000 - 4+882 ; bill of quantities: 17297*0,02=0.03 ha

- Mowing lichens by hand from the bottom of the watercourse with extraction and laying on the roadside in a roller; dense lichen km 0+000-4+882 ; Bill of quantities: 8016 m2

-Removal of natural obstacles, fallen trees and man-made effects from inland surface waters (pointwise along the entire length) km: 0+000 - 4+882 ; Bill of quantities: 50 RG

- Cleaning the river bed of accumulated pollution - 2 rg per 1 km of the river km:0+000 - 4+882 ; Bill of quantities: 4.882*2=9.76 RG.