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Effluent disposal report
EFFLUENT DISPOSAL REPORT [OCR of page images] PROJECT URBAN EFFLUENT DISPOSAL REPORT
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Page 2
Envirodisposal Pty. Ltd. ABN 66 104 290 780 Trading as
EDWARDS & ASSOCIATES WASTE WATER CONSULTANTS
Manager: P.O. BOX 3077 SOUTHPORT
Dennis Edwards AFIEAust BUSINESS CENTRE 4215.
Cert.Geol. Assoc.Dip.App.Sc. (Geol) pH: (07) 55-311876
Member:Australian Geomechanics Soc. Fax: (07) 55- 918744
BSA Lic 1026654 Mobile: 0419 311876
email:[email protected]
www.edwardsandassociates.com.au
SITE EVALUATION – REPORT
REPORT No:Assess201106 Date: 10.11.2020
SITE INFORMATION:
Client : P & A Scivyer c/o David Wright House Removers
Site Address: Lot 7 on RP 838780 : 497 Black Mountain Road, Black Mountain
Local Authority: Noosa Regional Council
Proposal: At this site a 2 bedroom residence is proposed….with effluent discharged to an advanced
treatment plant….then to shallow sub-surface drip irrigation under grass cover.
DISPOSAL AREA SITE ASSESSMENT:
SITE FACTORS: Proposed disposal site area slopes at approximately 10 % to the south…..
Site has scattered trees.
SITE LIMITATIONS / DESIGN CONSTRAINTS: Noosa Council Rules
SOIL ASSESSMENT:
Bore log / typical soil profile:
Lower
Texture Emerson Soil
Site Depth Shading Colour Structure
(AS1547) (AS1289) Category
(mm)
150 SANDY LOAM, moist Dark Brown 3
600 CLAY, sandy Dark brown 5
BH1
700 (+) BOULDERS
Lower
Texture Emerson Soil
Site Depth Shading Colour Structure
(AS1547) (AS1289) Category
(mm)
As for site 1
BH2
Lower
Texture Emerson Soil
Site Depth Shading Colour Structure
(AS1547) (AS1289) Category
(mm)
As for site 1
BH3
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REPORT No:Assess201106 Date: 10.11.2020
Permeability (from on Site K Sat test data) = 0.2 m/day Soil category # 5 (“ Light Clay
range“)
DESIGN IRRIGATION RATE: = 3 mm/Day (AS1547 – 2012)
LAND APPLICATION METHOD:
Effluent disposal will be by shallow sub-surface drip irrigation under a grassed area
Note: if no grass to be established by owners
LAND APPLICATION AREA/BED DIMENSIONS:
Total area of land application = 120 m2
TYPE OF EFFLUENT DISPOSAL FACILITY:
Taylex “ABS” Chief Exec No = 07 / 2020) …with Davey D42a Pump
Servicing & Maintenance – to be done Quarterly
Calculations:
3 Persons / 2 Bedrooms @ 120 l/day = 360 l/day (q) (Adopted DIR = 3 mm/Day)
Area of irrigation required = q___
DIR
= 120 m2
SCOPE OF WORK: Edwards and Associates have been commissioned to design an appropriate effluent disposal system for this
property and for the nominated use. Installation and ongoing maintenance of the system is the responsibility of others.
Dennis R Edwards
BSA 1026654 1000268
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Responsibilities of Installer
1.Installer shall only use council approved plans.
RESERVE AREA: Reserve 2. Plans are diagrammatic...it is the installers
Land Application area may responsibility to ensure efficient / even
be located elswhere on the distribution of effluent….with no leakage from
property provided the application area.
required set-back distances 3. HSTP is to be installed to manufacturers
are achieved. Alterately, if specifications and in accordance with the
required, the land application governing authority guidelines.
area may be dug up & 4. Edwards & Associates have been commissioned
reconstituted. to design an appropriate effluent disposal system
for this property…..Installation and maintenance of
the system is the responsibility of others.
5. Edwards & Associates shall not be held
responsible for extra costs associated with a re-
design if all site information available to the client
has not been provided to Edwards & Associates.
Emt A
On RP135782
Proposed
Secondary
Sub-Surface Trickle Irrigation Area.
Dwelling
See Cross Section
(20m X 6m)...Use 3 l/day drippers @
Bh 1 300mm centres...Laterals @ 600mm
Taylex “ABS” with a Davey centres….
D42a Pump Bh 3
Bh 2
15.4m
8m
4m
258.28m
100% Reserve Back-
up area
EDWARDS & ASSOCIATES DOMESTIC WASTEWATER DISPOSAL SYSTEM
WASTE WATER CONSULTANTS
SITE & SOIL EVALUATION
Drawn: AH/DRE
Ph: (07) 55 311 876 SURFACE SPRAY IRRIGATION
Fax: (07) 55 918744 Checked: DRE Lot 7 on RP 838780 : 497 Black Mountain Road, Black Mountain Qld
Mob: (0419) 311876
[email protected] Date: 10.11.2020 Assess No: 201106 1:2000 Amdt
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EDWARDS & ASSOCIATES HAVE BEEN ENGAGED TO DESIGN AN EFFLUENT DISPOSAL SYSTEM SUITABLE TO THIS SITE & NOMINATED USAGE. INSTALLATION AND ONGOING MAINTENANCE OF THE SYSTEM IS THE RESPONSIBILITY OF OTHERS. SHALLOW SUB-SURFACE DRIP IRRIGATION DISPOSAL AREA A DISPOSAL AREA IS TO BE PROVIDED FOR SHALLOW SUR-SURFACE DRIP IRRIGATION OF THE EFFLUENT. THE MINIMUM AREA AS GIVEN ON PAGE 1 OF THE REPORTIS: 120 m2 MINIMUM SEPARATION DISTANCES FROM EFFLUENT VERTICAL SEPARATION PRIMARY SECONDARY EFFLUENT EFFLUENT. ABOVE WATER TABLE OR BEDROCK 1.2m 0.6m HORIZONTAL SEP ARATION PRIMARY SECONDARY EFFLUENT EFFLUENT WATER COURSE, DAM, BORE OR WELL 50m 30m PROPERTY BOUNDARY LOWER THAN DISPOSAL AREA 4m 4m PROPERTY BOUNDARY HIGHER THAN DISPOSAL AREA 2m 2m DWELLING, CHILDREN S PLAY AREA 4m 4m SWIMMING POOL 6m 6m INGROUND POTABLE WATER TANK 45m 6m INSTALLATION 1. IT IS THE INSTALLER § RESPONSIBILITY TO ENSURE THAT ALL COMPONENTS (ESPECIALLY IMPORTED SOILS, GRADIENTS &OR MOUNDS) COMPLY WITH THESE GUIDELINES UPON COMMISSIONING THE SYSTEM. THE SUPPLIER/INS TALLER SHALL ENSURE ALL IRRIGATION PIPEWORK AND FITTINGS COMPLY WITH AS 1477 OR AS 2698. THE DISTRIBUTION IRRIGATION LINES SHALL HAVE A MINIMUM DEPTH OF COVER OF 150mm THERE SHALL BE NO CROSS-CONNECTION BETWEEN ANY IRRIGATION PIPEWORK AND POTABLE WATER SUPPLY. WHERE DRIP LATERALS ARE USED THEY ARE TO BE PLACED ALONG THE CONTOUR (USE OF LEVEL RECOMMENDED TO ENSURE THIS I$ OBTAINED). ALL BURIED PIPEWORK IS TO BE IDENTIFIED WITH UNDERGROUND MARKING TAPE PLACED ABOVE THE PIPEWORK. ALONG THE BOUNDARY OF THE SUB-SURFACE IRRIGATION AREA THERE SHALL BE AT LEAST 2 WARNING SIGNS CLEARLY VISIBLE TO ADVISE THAT RECYCLED WATER IS USED FOR IRRIGATION (EACH SIGN SHALL COMPLY WITH AS1319 AND HAVE THE WORDING RECYCLED WATER AVOID CONTACT DO NOT DRINK). 8. SCOUR VALVES IN SURFACE BOXES AND SCOUR POINT SUBSURFACE TRENCHES SHALL BE PROVIDED TO ALLOW PERIODIC CLEANING OF THE SYSTEM. POSITIONS TO BE MARKED. 9. VACUUM BREAKERS WITH SURFACE BOXES SHALL BE PROVIDED TO PREVENT SOIL INGRESS TO THE IRRIGATION LINES. No MAINTENANCE 1. REGULAR ROUTINE MAINTENANCE CHECKS OF THE IRRIGATION SYSTEM SHALL BE CARRIED OUT BY THE OWNER OR HIS/HER REPRESENTATIVE. 2. FITTINGS SHALL BE MAINTAINED IN CORRECT WORKING ORDER TO ENSURE PROPER PERFORMANCE. PLANTING EDWARDS & ASSOCIATES DOMESTIC WASTEWATER DISPOSAL SYSTEM UES eee) SE SITE & SOIL EVALUATION Drawn: SHALLOW SUB-SURFACE DRIP IRRIGATION a ong Vong Checked Lot 7 : 497 Black Mountain Rd, Black Mountain ax. (07) 55 918 744 ecked: DRE Mob: (0419) 311 876 [email protected] Date: 10-11.2020 Assess. No: 201106 Amd
Page 6
Area to have established grass at commencement of discharge Distribution system depth 100 approx. - Ground level ZN } | Refer Sheet 2 for min. Groundwater table |_vertical separation dist. Scarify in 150mm thick loam soils — CLAY SOILS (Cat. 5 & 6) Use Netafim 3 Vhour drippers @ 300mm centres.......... Laterals @ 600mm centres..... NOTE; CONTINUED EFFICIENT PERFORMANCE OF THIS EFFLUENT DISPOSAL SYSTEM MAY REQUIRE ROUTINE MAINTENANCE, AFTER INSTALLATION IT IS THE OWNER'S RESPONSIBILITY TO ENSURE THAT MAINTENCE CHECKS ARE CARRIED OUT ON A REGULAR BASIS. PE eS eH) Ua) Scale: NTS DOMESTIC WASTEWATER DISPOSAL SYSTEM WASTE WATER CONSULTANTS SITE & SOIL EVALUATION Drawn: SHALLOW SUB-SURFACE DRIP IRRIGATION Ph: (07) 55 311 876 Lot 7 : 497 Black Mountain Rd, Black Mountain Fax: (07) 55 918 744 Checked: DRE Mob: (0419) 311 876 T [email protected] Date; 10.11.2020 Assess, No: 201106 ail
Page 7
“Bioline 17”
“Bioline start
connector”
25mm LDPE PURPLE
20m
AIR RELEASE
VALVE AT
AR
Netafim 13mm ID Lateral 3 l / Hour drippers @ 300mm
HIGHEST POINT
OF SUPPLY
centres…Laterals @ 600mm centres
6m
SUBMAIN
Grass or Turf cover to be
CONNECTION established immediately
FROM HSTP TO
SUBMAIN TO
BE PUMPED
FROM BOTTOM
TO TOP
25mm LDPE Flush Lateral
Wastewater
Treatment
Plant
25mm LDPE Pump Lateral
In Line filter
MANUAL LINE
25mm LDPE FLUSHING
SUPPLY VALVE
SUBMAIN LOCATED AT
LF
THE LOWEST
POINT OF
COLLECTOR
EDWARDS & ASSOCIATES DOMESTIC WASTEWATER DISPOSAL SYSTEM
WASTE WATER CONSULTANTS SITE & SOIL EVALUATION
Drawn: DRE SHALLOW SUB SURFACE DRIP PRESSURE COMPENSATING INSTALLATION
Ph: (07) 55 311 876
Fax: (07) 55 918744
Designed By: DRE Job Address: Lot 7 : 497 Black Mountain Rd, Black Mountain
Mob: (0419) 311876
Email: [email protected]
Date: 10.11.2020 Assess No: 201106 SCALE: NTS