Sector

Vann, avløp og renovasjon

203 companies ranked against comparable companies in four Morning company classes. Fiscal year 2025. Source: Brønnøysund Register Centre. Methodology

Morning company class

Morning company classes are our own division by revenue, not an official standard: Micro NOK 1m–10 MNOK, Small 10 MNOK–50 MNOK, Medium 50 MNOK–500 MNOK, Large from 500 MNOK. Companies are ranked only against others in the same class, and every figure below is for the class you have chosen. What are Morning company classes?

Ranking · 2025 · Morning class Micro

Morning class Micro · 2025
#	Company	Profile	Score	Change
1	BJARNE STENSLI & Sønner AS	Leader	79	+11
2	Batteriretur EV AS	Leader	77	+21
3	A.O. Eide Maskinentreprenør AS	Leader	74	+17
4	Hardanger Sand og Kompost AS	Leader	73	+11
5	Minges Anleggsservice AS	Leader	69	−10
6	Bts Rørfornying AS	Leader	68	+33
7	Eden Aquatech AS	Leader	68	–
8	Iata Næring AS	Steward	67	+2
9	Harstad Spyleservice AS	Leader	64	−2
10	Sjølvik VA AS	Steward	61	–
11	Maren AS	Sprinter	58	+8
12	Metallco Hallingdal AS	Steward	57	−18
13	Noresund Septikservice AS	Leader	57	+29
14	Jørgen Rasmussen Gruppen Norge AS	Sprinter	56	−22
15	B. Hansen Bil og Utstyr AS	Steward	56	+7
16	Mostue Transportservice AS	Leader	52	+8
17	B. Hansen Renovasjon 2 AS	Sprinter	51	+3
18	AGDER SERVICE & Montasje AS	Sprinter	51	−6
19	Bergmetall AS	Steward	51	−7
20	Bualie Vann-Og Avløp AS	Sprinter	50	+16
21	Aa-Vann AS	Sprinter	48	−9
22	Sanderstølen Vannverk AS	Sprinter	47	+7
23	Vegglifjell Vann- og Avløpsselskap AS	Sprinter	46	−1
24	Sgt Eigendom AS	Steward	45	−20
25	Tverrlia Va-Drift AS	Sprinter	44	+26
26	Telemark Massemottak AS	Sprinter	41	−12
27	NÅ METALLRETUR & Eiendom AS	Sprinter	40	+7
28	Aquapro AS	Sprinter	39	–
29	Syningen Vann og Avløp AS	Builder	38	+18
30	Spylevakta Avd Viken Øst AS	Builder	28	−10
31	Mana Group AS	Builder	28	+4
32	Ocean Geoloop ASA	Steward	28	−30
33	Gloppen Næringspark AS	Builder	25	−11
34	Sannidal Miljø og Metall AS	Builder	25	−39
35	Ecofiber Recycling AS	Builder	23	+7
36	Miljøgjenvinning Entreprenør Drift AS	Builder	20	–
37	Spyleservice AS	Builder	14	−29

Download as CSV (opens in Excel)

The rank is the rank in the class. A class with fewer than ten companies is compared with the whole sector. Full ranking · Press mode

Biggest moves · Morning class Micro

Sannidal Miljø og Metall AS
From 2024 to 2025: went from a profit to a loss before tax and the operating margin fell from 5.0% to −12.1%.
−39
Bts Rørfornying AS
From 2024 to 2025: went from a loss to a profit before tax and the operating margin rose from −7.1% to 9.1%.
+33
Ocean Geoloop ASA
From 2024 to 2025: the operating margin fell from −1,092.7% to −4,721.4% and revenue fell by 42%.
−30
Noresund Septikservice AS
From 2024 to 2025: went from a loss to a profit before tax and the operating margin rose from −2.0% to 5.4%.
+29

Summary analysis

Vann, avløp og renovasjon, Morning class Large: 18 ranked companies in fiscal year 2025.

Best in the sector: Noah Solutions AS (score 85, operating margin 17.3%, equity ratio 73.3%). Nordren AS (score 78, operating margin 12.9%, equity ratio 51.9%). Hellik Teigen AS (score 72, operating margin 7.3%, equity ratio 76.0%).

Weakest in the sector: Norsk Gjenvinning Metall AS (score 22, operating margin −0.2%, equity ratio 5.7%). Norsk Gjenvinning AS (score 30, operating margin 3.3%, equity ratio 0.5%). AF Offshore Decom AS (score 34, operating margin −28.6%, equity ratio 22.6%).

Worth a closer look

The median operating margin fell from 4.5% in 2024 to 3.4% in 2025 (1.1 percentage points).
The median equity ratio fell from 31.4% in 2024 to 28.4% in 2025 (3.0 percentage points).
The median revenue growth fell from 10.5% in 2024 to 4.8% in 2025 (5.7 percentage points).
The share with a loss went from 11% in 2024 to 28% in 2025.

Written by fixed rules from the figures. Describes the figures, does not explain causes. Not investment or financial advice. How the summary is made

Top lists in the sector · 2025 · Morning class Micro

The five largest companies account for 26% of the sector's revenue. Combined profit before tax for the 37 ranked companies: −122 MNOK.

Size

The largest by revenue and employees, and who earns the most per employee.

Highest revenue

Harstad Spyleservice AS 10 MNOK
Ecofiber Recycling AS 8 MNOK
Mostue Transportservice AS 8 MNOK
Iata Næring AS 8 MNOK
Vegglifjell Vann- og Avløpsselskap AS 8 MNOK

Operating revenue.

Most employees

Employees according to the Central Coordinating Register.

Highest revenue per employee

Harstad Spyleservice AS 1.6 MNOK
Hardanger Sand og Kompost AS 1.4 MNOK
Mana Group AS 0.3 MNOK

Only companies with at least 5 employees.

Profit and balance

Who earns the most, who loses the most, and who has the strongest balance sheet.

Highest operating margin

Jørgen Rasmussen Gruppen Norge AS 71.3%
Aa-Vann AS 70.5%
B. Hansen Renovasjon 2 AS 64.4%
NÅ METALLRETUR & Eiendom AS 57.1%
Aquapro AS 36.4%

Operating result divided by operating revenue.

Largest profit

Bergmetall AS 37 MNOK
BJARNE STENSLI & Sønner AS 21 MNOK
Maren AS 7 MNOK
Jørgen Rasmussen Gruppen Norge AS 3 MNOK
Batteriretur EV AS 2 MNOK

Profit before tax.

Largest loss

Ocean Geoloop ASA −159 MNOK
Mana Group AS −34 MNOK
Syningen Vann og Avløp AS −2 MNOK
Gloppen Næringspark AS −2 MNOK
Vegglifjell Vann- og Avløpsselskap AS −1 MNOK

Profit before tax, the largest negative.

Most solid

Equity ratio: equity divided by total assets.

Growth and movement

Who grows and falls the most in revenue, and who has climbed or fallen the most on the index since the year before.

Fastest growth

No company meets the requirement this year.

Revenue growth from the year before, only from at least NOK 10 million in revenue.

Largest revenue decline

No company meets the requirement this year.

Revenue decline from the year before, only from at least NOK 10 million in revenue.

Biggest climbers

Bts Rørfornying AS +33.1 points
Noresund Septikservice AS +28.5 points
Tverrlia Va-Drift AS +26.4 points
Batteriretur EV AS +21.3 points
Syningen Vann og Avløp AS +18.4 points

Change in index points from the year before.

Biggest fallers

Sannidal Miljø og Metall AS −39.5 points
Ocean Geoloop ASA −30.0 points
Spyleservice AS −28.3 points
Jørgen Rasmussen Gruppen Norge AS −21.9 points
Sgt Eigendom AS −19.5 points

Change in index points from the year before.

The lists cover ranked companies in the class: operating companies with at least NOK 1m in revenue, without holding companies and excluded ones. Size lists (revenue, profit, employees) count each group once. Source: Brønnøysund Register Centre. Amounts in other currencies are converted at Norges Bank's rates.

Quadrant analysis

Positions in the sector · 2025 · Morning class Micro

Each company is placed by profitability and solidity, measured as a place from 0 to 100 against the others in the same sector and Morning company class. The bubble shows revenue. Hover over or tap a bubble for the figures, filter by profile or search for a company.

Bubble size shows relative revenue, not exact figures. Dashed lines show where the 5 companies that moved most stood in 2024 (small ring).

Batteriretur EV AS profitability 13 → 75, solidity 97 → 88
Bts Rørfornying AS profitability 13 → 68, solidity 61 → 70
Tverrlia Va-Drift AS profitability 17 → 69, solidity 0 → 6
Noresund Septikservice AS profitability 17 → 65, solidity 38 → 59
Sannidal Miljø og Metall AS profitability 59 → 11, solidity 55 → 38

Lion · LeaderHigh profitability, high solidity
Cheetah · SprinterHigh profitability, lower solidity
Elephant · StewardLower profitability, high solidity
Beaver · BuilderLower profitability, lower solidity

Show the positions as a list

Company	Profile	Profitability	Solidity	In 2024 (profitability / solidity)
Aa-Vann AS	Cheetah	99	11	99 / 8
Jørgen Rasmussen Gruppen Norge AS	Cheetah	97	32	96 / 78
Hardanger Sand og Kompost AS	Lion	85	56	83 / 47
B. Hansen Renovasjon 2 AS	Cheetah	85	35	81 / 27
BJARNE STENSLI & Sønner AS	Lion	81	91	78 / 80
A.O. Eide Maskinentreprenør AS	Lion	79	73	51 / 72
Batteriretur EV AS	Lion	75	88	13 / 97
Eden Aquatech AS	Lion	75	62	–
Aquapro AS	Cheetah	75	26	–
NÅ METALLRETUR & Eiendom AS	Cheetah	72	17	62 / 13
Tverrlia Va-Drift AS	Cheetah	69	6	17 / 0
Bts Rørfornying AS	Lion	68	70	13 / 61
Noresund Septikservice AS	Lion	65	59	17 / 38
Harstad Spyleservice AS	Lion	60	68	73 / 66
Mostue Transportservice AS	Lion	60	53	24 / 52
Minges Anleggsservice AS	Lion	58	100	85 / 83
AGDER SERVICE & Montasje AS	Cheetah	58	47	41 / 58
Telemark Massemottak AS	Cheetah	58	23	82 / 22
Bualie Vann-Og Avløp AS	Cheetah	56	29	46 / 24
Vegglifjell Vann- og Avløpsselskap AS	Cheetah	56	14	54 / 10
Maren AS	Cheetah	53	44	50 / 44
Sanderstølen Vannverk AS	Cheetah	51	50	46 / 50
Sgt Eigendom AS	Elephant	40	65	74 / 64
Iata Næring AS	Elephant	38	94	44 / 100
Bergmetall AS	Elephant	38	85	45 / 86
Sjølvik VA AS	Elephant	32	82	–
B. Hansen Bil og Utstyr AS	Elephant	32	76	18 / 69
Syningen Vann og Avløp AS	Beaver	25	0	15 / 0
Spylevakta Avd Viken Øst AS	Beaver	25	20	40 / 19
Metallco Hallingdal AS	Elephant	19	97	68 / 89
Ecofiber Recycling AS	Beaver	19	0	9 / 0
Sannidal Miljø og Metall AS	Beaver	11	38	59 / 55
Spyleservice AS	Beaver	11	9	40 / 33
Gloppen Næringspark AS	Beaver	10	0	59 / 0
Mana Group AS	Beaver	8	41	3 / 41
Miljøgjenvinning Entreprenør Drift AS	Beaver	7	0	–
Ocean Geoloop ASA	Elephant	0	79	8 / 94

The sector in numbers

Summary · fiscal year 2025 · Morning class Micro

The sector's median operating margin is 9.1%. 11 of 90 companies have negative equity. The median equity ratio is 38.6%.

Companies with accounts90

Total revenue158 MNOK

Median operating margin9.1%

Median equity ratio38.6%

Share with a loss43%

Share with negative equity12%

All figures are for fiscal year 2025. Ranked: 37 operating companies. Holding companies, excluded companies and companies without enough data are shown but not ranked. How to read the index

Climbers and fallers · Morning class Micro

Change in rank from 2024 to 2025, for 33 companies ranked in both years.

Climbers

25Bts Rørfornying ASfrom rank 31 to 668
22Noresund Septikservice ASfrom rank 35 to 1357
15Batteriretur EV ASfrom rank 17 to 277
13A.O. Eide Maskinentreprenør ASfrom rank 16 to 374
13Bualie Vann-Og Avløp ASfrom rank 33 to 2050

Fallers

24Sannidal Miljø og Metall ASfrom rank 10 to 3425
19Ocean Geoloop ASAfrom rank 13 to 3228
16Sgt Eigendom ASfrom rank 8 to 2445
11Jørgen Rasmussen Gruppen Norge ASfrom rank 3 to 1456
11Spyleservice ASfrom rank 26 to 3714

Awards · 2025 · Morning class Micro

Most profitableJørgen Rasmussen Gruppen Norge AS71.3%

Fastest growthMiljøgjenvinning Entreprenør Drift AS1,898.6%

Strongest balance sheetMinges Anleggsservice AS98.1%

Largest revenueHarstad Spyleservice AS10 MNOK

Highest revenue per employeeHarstad Spyleservice AS1.6 MNOK

Needs attention · 2025 · Morning class Micro

51 companies show at least one warning sign. Showing the 15 most important.

criticalGloppen Næringspark ASNegative equity · Current ratio below 1 (0.63) · Loss before tax
criticalMiljøgjenvinning Entreprenør Drift ASNegative equity · Current ratio below 1 (0.10) · Loss before tax
criticalFrosta Hytteservice ASNegative equity · Current ratio below 1 (0.62) · Loss before tax
criticalVestre Røed Vann- og Avløpsselskap ASNegative equity · Current ratio below 1 (0.26) · Loss before tax
criticalHeroes of Telemark ASNegative equity · Current ratio below 1 (0.00) · Loss before tax
criticalEcofiber Recycling ASNegative equity · Loss before tax
criticalSyningen Vann og Avløp ASNegative equity · Loss before tax
criticalVannverksveien Vann- og Avløpslag ASNegative equity · Loss before tax
criticalNautnesveien Vann- og Avløp ASNegative equity · Loss before tax
criticalØdekjære Vann og Avløp ASNegative equity · Current ratio below 1 (0.19)
criticalKjenseth Miljø ASNegative equity
watchSpyleservice ASVery low equity ratio (3.2%) · Current ratio below 1 (0.89) · Loss before tax
watchHaugan Drift og VA ASVery low equity ratio (7.7%) · Current ratio below 1 (0.59) · Loss before tax
watchTverrlia Va-Drift ASVery low equity ratio (2.2%) · Current ratio below 1 (0.55)
watchMana Group ASCurrent ratio below 1 (0.40) · Loss before tax

Sector map · 2025 · Morning class Micro

Profitability against solidity for the ranked companies. Size shows revenue. Coral triangle: negative equity. Click to open the company. Outliers are placed on the edge.

Show the map's figures as a table

Company	Operating margin	Equity ratio	Revenue
BJARNE STENSLI & Sønner AS	14.7%	93.0%	6 MNOK
Batteriretur EV AS	25.5%	92.3%	6 MNOK
A.O. Eide Maskinentreprenør AS	17.6%	77.6%	7 MNOK
Hardanger Sand og Kompost AS	27.7%	48.2%	7 MNOK
Minges Anleggsservice AS	12.3%	98.1%	2 MNOK
Bts Rørfornying AS	9.1%	63.8%	6 MNOK
Eden Aquatech AS	10.0%	54.5%	1 MNOK
Iata Næring AS	−0.2%	94.8%	8 MNOK
Harstad Spyleservice AS	10.6%	61.3%	10 MNOK
Sjølvik VA AS	5.2%	83.6%	1 MNOK
Maren AS	10.8%	31.9%	5 MNOK
Metallco Hallingdal AS	−5.9%	96.3%	1 MNOK
Noresund Septikservice AS	5.4%	49.3%	2 MNOK
Jørgen Rasmussen Gruppen Norge AS	71.3%	23.1%	4 MNOK
B. Hansen Bil og Utstyr AS	0.4%	80.6%	3 MNOK
Mostue Transportservice AS	5.6%	43.1%	8 MNOK
B. Hansen Renovasjon 2 AS	64.4%	23.8%	1 MNOK
AGDER SERVICE & Montasje AS	11.0%	38.6%	1 MNOK
Bergmetall AS	−59.7%	86.6%	5 MNOK
Bualie Vann-Og Avløp AS	15.7%	23.1%	1 MNOK
Aa-Vann AS	70.5%	4.9%	1 MNOK
Sanderstølen Vannverk AS	11.6%	39.5%	3 MNOK
Vegglifjell Vann- og Avløpsselskap AS	14.0%	10.3%	8 MNOK
Sgt Eigendom AS	8.4%	61.0%	1 MNOK
Tverrlia Va-Drift AS	18.8%	2.2%	4 MNOK
Telemark Massemottak AS	7.7%	18.4%	5 MNOK
NÅ METALLRETUR & Eiendom AS	57.1%	13.7%	1 MNOK
Aquapro AS	36.4%	19.6%	2 MNOK
Syningen Vann og Avløp AS	−3.1%	−12.6%	5 MNOK
Spylevakta Avd Viken Øst AS	−0.6%	18.1%	2 MNOK
Mana Group AS	−934.6%	31.2%	3 MNOK
Ocean Geoloop ASA	−4,721.4%	81.2%	2 MNOK
Gloppen Næringspark AS	−31.0%	−143.7%	5 MNOK
Sannidal Miljø og Metall AS	−12.1%	29.7%	2 MNOK
Ecofiber Recycling AS	−4.5%	−11.4%	8 MNOK
Miljøgjenvinning Entreprenør Drift AS	−27.2%	−114.5%	2 MNOK
Spyleservice AS	−15.2%	3.2%	5 MNOK

Holding and investment companies · 2025

7 companies in the sector are holding or investment companies. They are kept out of the ranking above, since revenue, margins and growth say little about a company that lives from ownership. They are ranked on their own here: 3 have at least 10 MNOK in assets and are listed.

Holding and investment companies
Rank	Company	Score	Equity ratio	Return on assets	Current ratio	Total assets
1	Forus Energigjenvinning Holding AS	60	99.9%	0.2%	166.33	110 MNOK
2	Myrland Holding AS	50	99.1%	7.3%	110.40	20 MNOK
3	Victor Holding AS	40	91.8%	8.2%	1.03	60 MNOK

Score 0–100 against the other holding companies in the sector: equity ratio 40 %, return on assets 40 % and current ratio 20 %. Methodology

In our articles

Finance earns 58.3% on operations; the typical Norwegian industry makes 5.7%No. 13 of 22 on median operating margin

All articles

Scenario analysis: the sector's weakest year

The sector's weakest year was 2022, with a median operating margin of 1.1%.

Based on the 4 fiscal years we have. The analysis grows as more years are fetched or imported.

Fiscal year	Median operating margin	Median equity ratio
2022 · weakest year	1.1%	14.8%
2023	5.0%	38.7%
2024	5.1%	37.5%
2025	5.2%	35.8%

In 2022, 3 ranked companies did better than the sector, 0 about the same and 2 weaker.

Held up best in 2022

1TW Zero Loop ASequity ratio 14.8%5.1%
2Follo Truckutleie A/Sequity ratio 53.2%1.7%
3NG Nordic Norway ASequity ratio 71.1%1.1%

Better than the sector: operating margin at or above the sector median and no loss or negative equity. Weaker: operating margin below the median and a loss or negative equity. Otherwise about the same as the sector. Methodology

Drivers in the sector

Interest rates, prices and exchange rates that shape the sector's year, next to the sector's median operating margin. The drivers are context and are not part of the index.

Wholesale power price (øre per kWh)

Latest value: 86.7 (2026K2)

Wholesale power price rose 9.4% in 2025; the sector's median operating margin rose 0.1 percentage points.

Wholesale power price per year and the sector's median operating margin
Measure	2021	2022	2023	2024	2025	2026
Wholesale power price, annual average	64.2	141.7	72.0	49.4	54.0	96.5 (so far)
Change from the year before	+466.7%	+120.8%	−49.2%	−31.4%	+9.4%	+78.4%
Sector's median operating margin	–	1.1%	5.0%	5.1%	5.2%	–

Source: SSB (09363, CC BY 4.0). Source · fetched 3 November 2026

Consumer price index (indeks (2025 = 100))

Latest value: 104.0 (2026M09)

Consumer price index rose 3.0% in 2025; the sector's median operating margin rose 0.1 percentage points.

Consumer price index per year and the sector's median operating margin
Measure	2021	2022	2023	2024	2025	2026
Consumer price index, annual average	84.3	89.2	94.1	97.0	100.0	102.9 (so far)
Change from the year before	+3.5%	+5.8%	+5.5%	+3.2%	+3.0%	+2.9%
Sector's median operating margin	–	1.1%	5.0%	5.1%	5.2%	–

Source: SSB (14710, CC BY 4.0). Source · fetched 3 November 2026

Policy rate (prosent)

Latest value: 4.50 (2026-10)

Policy rate fell 0.20 percentage points in 2025; the sector's median operating margin rose 0.1 percentage points.

Policy rate per year and the sector's median operating margin
Measure	2021	2022	2023	2024	2025	2026
Policy rate, annual average	0.08	1.32	3.54	4.50	4.30	4.17 (so far)
Change from the year before	−0.28 percentage points	+1.24 percentage points	+2.22 percentage points	+0.96 percentage points	−0.20 percentage points	−0.12 percentage points
Sector's median operating margin	–	1.1%	5.0%	5.1%	5.2%	–

Source: Norges Bank (IR, NLOD 2.0). Source · fetched 3 November 2026

When policy rate fell in 2025, 91 of 200 ranked companies kept their operating margin at or above the year before. Among the largest: Infinitum AS (0.3% → 0.3%), Norsk Gjenvinning AS (3.3% → 3.3%), Sar AS (6.0% → 8.8%), Norsk Gjenvinning Metall AS (−3.0% → −0.2%), Bir AS (10.2% → 10.9%).

We show the drivers and the margin side by side and claim no cause. Sensitivity per company is not computed until we have at least 10 years of accounts per company: with three years such figures are false precision.

The sector in Norway (SSB)

The whole industry as Statistics Norway counts it: every enterprise, not only the limited companies we rank. Use these figures as background for the ranking above.

Enterprises, employment and turnover · 2024

Enterprises: 1,403; +2.0% from 2023
Persons employed: 11,139; +4.9% from 2023
Turnover: NOK 50.5 bn; +7.8% from 2023
Gross operating margin: 8.4%; Gross operating surplus divided by turnover

All enterprises, sole proprietorships included. SSB withholds some figures for confidentiality. The figure then shows the latest year with every value, and the year is given beside it.

Bankruptcies in the industry

7 enterprise bankruptcies in the last four quarters (2025K4–2026K3). Change 0.0% against the four quarters before (7). That is about 5.0 per 1,000 enterprises.

Foreign-controlled enterprises · 2024

Share of enterprises: 3.8%
Share of persons employed: 20.7%
Share of turnover: 17.4%

SSB publishes this for groups of industries only. The figures are for the group “Vannforsyning, avløp og renovasjon”.

Source: Statistics Norway (SSB), table 12910, table 10790, table 08085. CC BY 4.0. Our industry codes (SN2025) are linked to SSB’s (SN2007) with SSB’s correspondence table in Klass.

Latest bankruptcies and liquidations

Vakumentreprenøren AS 995810425 Voluntary liquidation · 29 October 2026
Klean Kode AS 937921268 Bankruptcy · 22 October 2026
Midt Miljøavfall AS 914844428 Voluntary liquidation · 10 October 2026 · 0 MNOK (2025)
Øksnevik AS 924771895 Voluntary liquidation · 29 September 2026
ALVER UTVIKLING & Utleie AS 932115387 Voluntary liquidation · 18 September 2026 · 0 MNOK (2025)
Kjetil Jegleim AS 892644012 Voluntary liquidation · 18 September 2026 · 0 MNOK (2025)
Helgerud Deponi AS 832729132 Voluntary liquidation · 17 September 2026
Retur Plast AS 919899441 Forced dissolution · 15 September 2026 · 0 MNOK (2023)

All bankruptcies and liquidations in the sector

Industry codes (NACE)

Code	Description
36*	Hele hovedgruppe 36
36.000	Uttak fra kilde, rensing og distribusjon av vann
37*	Hele hovedgruppe 37
37.000	Oppsamling og behandling av avløpsvann
38*	Hele hovedgruppe 38
38.110	Innsamling av ikke-farlig avfall
38.120	Innsamling av farlig avfall
38.210	Materialgjenvinning
38.220	Energigjenvinning
38.230	Annen gjenvinning av avfall
38.320	Drift av deponi og permanent lagring av avfall
38.330	Annen avfallshåndtering uten gjenvinning
39*	Hele hovedgruppe 39
39.000	Miljøutbedring, opprydding og lignende aktivitet