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CONCRETE SEPTIC TANKS (click on your preferred size tank below for more info)
Product Code  Diameter (m) Total Height (m) Height to
Inlet IL (m)
Height to
Outlet IL (m)
ST 3050 1.93 1.7 1.315 1.265
ST 4000 1.93 2.1 1.675 1.625
STP 4000 1.93 2.1 1.675 1.625
ST 4250 1.93 2.275 1.775 1.725
ST 4450 1.93 2.275 1.88 1.83
ST 7000 2.5 2.225 1.68 1.63
STP 7000 2.5 2.225 1.68 1.63
ST 11000 3.5 1.9 1.55 1.5
ST 15000 3.5 2.3 1.9  1.85
ST 20000 3.5 2.825 2.4 2.35
STP = Septic Tanks with 1/3 Partition
Septic Tanks
Our straight concrete septic tanks come standard with inlet and outlet baffle and the lids have inspection openings and access covers. Local council guidelines must be followed when deciding on your septic requirements.

We also manufacture a range of concrete collection wells, septic tank pump out chambers, distribution boxes and can supply units with recommended filters.

Please see our full product line in the tables below.

COLLECTION WELLS
Product Code  Diameter (m) Total Height (m) Height to Inlet IL (m) Height to Outlet IL (m)
CW4650 1.93 2.275 1.88 N/A
CW7200 2.5 2.225 1.68 N/A
Collection Wells can be customised for required suction points.
RESIDENTIAL PUMP WELLS
Product Code  Diameter (m) Total Height (m) Height to Inlet IL (mm)
PW450 1.05 1.4 800
PW600 1.05 1.4 960
Collection Wells can be customised for required suction points.

SEPTIC ACCESSORIES
Product Code  Description
GT140 140L Grease trap (845x600x765mm deep)
DB4 4 way distribution box
LOF Large Outlet  Filter (fitted)
SOF Small Outlet Filter (fitted)
Commercial Concrete Pump Wells
In partnership with The Pump House, Allcast Precast has designed a concrete pump station for the industrial and commercial market catering for high flow stormwater and sewerage solutions. Our pump well chambers have been certified to a depth of 9 meters and are built to handle high demands, large volumes and offer life span requirements. 

The base and bottom chamber are poured as one complete casting, with tapered internal walls from 150mm-190mm and a 300mm thick base. Each unit is custom made to suit the required depth and pipe penetrations making an easy installation. 

Click here to download more information.

COMMERCIAL PUMP WELL OPTIONS
Product Code  Description
G&F Galvanised grate and frame to required size
CIGL Cast iron gattic lid to required size
MPMC Megapoxy lining of shaft sections internally or externally
MPP1 20ltr kit of Megapoxy P1 for joining shafts
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