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Construction cost estimate - small sewerage schemes

Last Post 8/03/2021 9:55:33 AM by Goldenfields Water County Council. 2 replies.
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Construction cost estimate - small sewerage schemes

05-03-2021 01:16 PM
 
Upper Hunter Shire Council
by Upper Hunter Shire Council
Joined 01-01-0001 12:00 AM
Posts 5
Hi all,
Was hoping to speak with anyone who has recently undertaken construction of a small scale sewerage scheme (less than 100 connections). Our construction cost estimates to date have varied wildly, and the scheme is simply unaffordable at the higher end. The scheme is to provide sewerage to existing developed lots, of 'standard' residential lot size, on sloping terrain. Single pump station, oxidization pond treatment system.
Can respond via forum or shoot me an email if you're able to discuss a recent similar project.
Cheers,
Phil Hood
Acting Director Infrastructure Services - UHSC
0408 910 118
phood@upperhunter.nsw.gov.au

Re: Construction cost estimate - small sewerage schemes

05-03-2021 02:26 PM
 
Shoalhaven City Council
by Shoalhaven City Council
Joined 01-01-0001 12:00 AM
Posts 17
Phil,

We recently completed a pressure sewer scheme for around 140 ET. It was a brown field site and only included the reticulation so no major pump stations or treatment plants if that is any help?
Matt Kidd.

Re: Construction cost estimate - small sewerage schemes

08-03-2021 09:55 AM
 
Goldenfields Water County Council
by Goldenfields Water County Council
Joined 22-07-2016 02:43 PM
Posts 10
Hi Phil,
When i was the manager at Wagga, we completed a conventional gravity sewer project for the village of Mangoplah in 2015/16. It was designed for around 60 connections with only around 30 for immediate connection and consisted of full HDPE mains, 2 package pump stations, a Rotating Disc System with a matutation and evap (storage) pond. The STW was originally designed as full earthern oxidation process; however the costs were more than anticipated due to geotech results, so we adjusted the design to utilise the combination of RDS and ponds. Total budget for the project was estimated at around $2m; however we delivered for around $1.2m at the time. Happy to provide you all the information i have.
Cheers
Geoff - Goldenfields Water
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