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18: Trade Waste Bylaw 2002 : Schedule 2A
SCHEDULE 2A.1A
- Permitted Trade Waste Consent Form (PDF 9kB)
SCHEDULE 2A.1B
SCHEDULE 2A.1C
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SCHEDULE 2A.1D
Summary Of General Conditions For All Trade Waste
The following general conditions are summarised from the Hastings District Council Trade Waste Bylaw 2008 for your convenience but are not complete and do not replace this Bylaw in any way.
[Conditions recommended for general adoption]:
(1) This Consent is personal to the Trade Waste Consent Holder and is not transferable without written approval.
(2) If the quantity and/or characteristics of wastewater or the point of discharge is to be changed from that requested by the Trade Waste Consent Holder and approved in this Consent, the Trade Waste Consent Holder must apply for a variation to this Consent.
(3) A Consent can be cancelled if the Trade Waste Consent Holder fails to comply with any condition of the Consent, or fails to maintain effective control over the discharge.
(4) Records of flow and/or volume and/or quality shall be available for viewing at any time by the Council.
(5) No trade waste shall be acceptable if it contains any matter or substances which are prohibited in Schedule 1B of the Trade Waste Bylaw.
[Standard conditions unless authorised otherwise in Schedule 2A.1B]:
(6) Temperature – must not exceed 50oC unless a higher temperature is approved in Schedule 2A.1B.
(7) pH – must be between 6.0 and 11.0 at all times unless a variation is approved in Schedule 2A.1B.
(8) Solids which may block sewers or pumps are prohibited. These include dry solids, non-faecal solids in excess of 2 mm, heavy solids which settle faster than 50 mm/minute, fibrous material, sheet films, and anything which may react to form a solid mass or interfere with the free flow of wastewater in the drainage system.
(9) Solvents, fuels and organic fluids (including oil, fat and grease) must not be present as a free layer (whether floating or settled).
(10) Dissolved or emulsified solvents, fuels and organic liquids are prohibited unless authorised in Schedule 2A.1B.
(11) Floatable oil,fat or grease not to exceed 30 g/m3 as determined by the MIRINZ Floatable Fat test (MIRINZ standard Methods Publication 829 Method 2). Where the oil or grease is in the form of an emulsion, that emulsion shall remain stable on dilution with either fresh water or seawater.
(12) Sulphides must not exceed 5 g/m3 (as H2 S on acidification) unless authorised in Schedule 2A.1B.
(13) Oxidised sulphur compounds must not exceed 500 g/m3 (as sulphate) unless authorised in Schedule 2A.1B of individual Consents
(14) Toxic pollutants – heavy metals are prohibited unless authorised in Schedule 2A.1B.
(15) Toxic pollutants – organic compounds and pesticides are prohibited unless authorised in Schedule 2A.1B.
(16) Stormwater and condensing or cooling waters are prohibited unless specified in Schedule 2A.1B
SCHEDULE 2A.1E
Summary Of General Conditions For All Trade Waste
[The following example sets out some specific conditions that could apply for a generic trade requirement schedule, e.g. take away food premises]:
1 Point of discharge
This consent is for trade waste to enter the public sewer .................................
2 Flow
(a) No more than ........*........ m3 shall be discharged in any 24 hour period.
(b) No more than ........*........ m3 shall be discharged in any 4 hour period.
(c) The instantaneous flow rate of the discharge shall not exceed ........*........ L/s at any time.
3 Temperature
The temperature shall not exceed 50° C.
4 Discharge characteristics
No characteristics of the discharge determined by analysis may exceed the values tabulated below:
| Characteristic | Limit applying to this consent |
| Biochemical oxygen demand | * g/m3 |
| Suspended solids content | * g/m3 |
| Settleable solids content | * g/m3 |
| Oil and grease content | * g/m3 |
[* Insert acceptable limit values or other limit values as appropriate.]
Other specific limits are:
5 Pre-treatment
The Trade Waste Consent Holder shall provide the following pre-treatment works:
- 500 litre grease trap – to be cleaned at least monthly.
6 Measurement
The Trade Waste Consent Holder shall provide the following meters or devices to measure the volume of the discharge or its flow rate:
- A potable water meter on the water inlet.
The trade waste discharge volume or flow rate shall be measured by:
- Reading the volumetric potable flow meter and multiplying by a factor of ............
7 Monitoring
The following trade waste monitoring programme shall be implemented by the Trade Waste Consent Holder:
- Proof of cleaning of the grease trap shall be recorded in a log book, which shall be made available to the Council on request.
- No laboratory analysis of the wastewater is required.
8 Charges
The Trade Waste Consent Holder shall pay the following charges:
9 Trade Waste
The holder of this Permitted Trade Waste Discharge Consent shall be aware and abide by the Hastings District Council Trade Waste Bylaw 2008.
