Email 8
From: Zeean Brydon [mailto:[email address]<mailto:[email address]>]
Sent: Monday, 9 May 2016 6:57 a.m.
To: 'Sheryl Barker' <
[email address]<mailto:[email address]>>
Subject: RE: SR356224 - 79 Taranaki Street - WW under capacity
Draft Notes attached – do we need anything more than this at this stage?
Cheers
Zeean Brydon | Associate Engineer
e2Environmental<
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m 022 639 2212
e2Environmental Ltd
14 Queen St, Blenheim
PO Box 380, Blenheim 7201
www.e2Environmental.com<
http://www.e2environmental.com/>
From: Sheryl Barker [mailto:[email address]]
Sent: Monday, 9 May 2016 6:55 a.m.
To: Zeean Brydon <
[email address]<mailto:[email address]>>
Subject: RE: SR356224 - 79 Taranaki Street - WW under capacity
If we were taking about a short section of network required to be upgraded we would look to making them carryout the work but I think in the city the required upgrade could be substantive and very very expensive.
Sheryl Barker Senior Drainage Engineer - Land Development
Tel +64 4 912 4465 [mobile number]
Private Bag 39804, Wellington Mail Centre 5045
Level 4, IBM House, 25 Victoria Street, Petone, Lower Hutt
www.wellingtonwater.co.nz<
http://www.wellingtonwater.co.nz/>
Wellington Water is owned by the Hutt, Porirua, Upper Hutt and Wellington city councils and Greater Wellington Regional Council.
We manage their drinking water, wastewater and stormwater services.
From: Zeean Brydon [mailto:[email address]]
Sent: Monday, 9 May 2016 6:48 a.m.
To: Sheryl Barker
Subject: RE: SR356224 - 79 Taranaki Street - WW under capacity
Cool, wasn’t sure if you would require a contribution to upgrade the system or ask them to hold and pump out.
I’ll draft the Notes.
Cheers
Zeean Brydon | Associate Engineer
e2Environmental<
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m 022 639 2212
e2Environmental Ltd
14 Queen St, Blenheim
PO Box 380, Blenheim 7201
www.e2Environmental.com<
http://www.e2environmental.com/>
From: Sheryl Barker [mailto:[email address]<mailto:[email address]>]
Sent: Monday, 9 May 2016 6:48 a.m.
To: Zeean Brydon <
[email address]<mailto:[email address]>>
Subject: RE: SR356224 - 79 Taranaki Street - WW under capacity
If there is a wastewater issue we look at it in further detail (depending on where the info comes from – accuracy) and then maybe require they hold and pump their wastewater off peak.
At this point if something comes back we can just highlight the issue under the land use and carry on the investigation outside this consent to come to a conclusion for the Building Consent.
Sheryl Barker Senior Drainage Engineer - Land Development
Tel +64 4 912 4465 [mobile number]
Private Bag 39804, Wellington Mail Centre 5045
Level 4, IBM House, 25 Victoria Street, Petone, Lower Hutt
www.wellingtonwater.co.nz<
http://www.wellingtonwater.co.nz/>
Wellington Water is owned by the Hutt, Porirua, Upper Hutt and Wellington city councils and Greater Wellington Regional Council.
We manage their drinking water, wastewater and stormwater services.
From: Zeean Brydon [mailto:[email address]]
Sent: Monday, 9 May 2016 6:26 a.m.
To: Sheryl Barker
Subject: FW: SR356224 - 79 Taranaki Street - WW under capacity
Hi Sheryl,
I’ll check with David as well but what do we do when the WW is under capacity ?
Land Use – so notes only, these are required today so thought I would catch you early.
Cheers
Zeean Brydon | Associate Engineer
e2Environmental<
http://www.e2environmental.com/wp-content/uploads/2015/02/e2logov2-e1423529124988.png>
m 022 639 2212
e2Environmental Ltd
14 Queen St, Blenheim
PO Box 380, Blenheim 7201
www.e2Environmental.com<
http://www.e2environmental.com/>
From: Zeean Brydon [mailto:[email address]<mailto:[email address]>]
Sent: Friday, 6 May 2016 2:45 p.m.
To: '[email address]<mailto:[email address]>' <
[email address]<mailto:[email address]>>
Cc: 'Sheryl Barker' <
[email address]<mailto:[email address]>>
Subject: SR356224 - 79 Taranaki Street - WW under capacity
Hi Heather,
I sent some initial comments to you regarding this one earlier in the week (Tuesday).
I’ll have to check the application but if I recall it was a land use application, so no conditions, just notes.
If you recall the proposal was to covert floors 1 to 5 of the existing building into ‘residential’ which actually equated to about 100 new homes. SW is OK, but Hywel has confirmed that the WW (at 150mm as shown on the GIS) is under capacity – we are going to check the size of the WW pipe, but even if it were a 225mm pipe it would still be under capacity.
If site investigations confirm the pipe is 150mm or 225mm then measures will be required to mitigate the impact of the proposed increase in WW flows. Even if these cannot be consented at this stage they would be picked up at later Building Control and will have a cost implication for the applicant.
I will catch up with Sheryl & David on Monday to confirm exactly how this will be managed.
In the mean-time can you please discuss this with the applicant and see if they want to put the application on hold whilst this is resolved.
Cheers
Zeean Brydon | Associate Engineer
e2Environmental<
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m 022 639 2212
e2Environmental Ltd
14 Queen St, Blenheim
PO Box 380, Blenheim 7201
www.e2Environmental.com<
http://www.e2environmental.com/>
From: Sarah Zhou [mailto:[email address]]
Sent: Friday, 6 May 2016 2:16 p.m.
To:
[email address]<mailto:[email address]>
Subject: FW: SR356224 - 79 Taranaki Street - Capacity Enquiry
FYI
From: Hywel Lewis
Sent: Friday, 6 May 2016 2:02 p.m.
To: Sarah Zhou
Subject: FW: SR356224 - 79 Taranaki Street - Capacity Enquiry
Hi Sarah, based on 2012 COP the 150mm pipe work downstream of this site is undersized. It would be a good idea to get Kevin to confirm the pipe sizes in this part of the network. Notwithstanding 225mm pipework is also undersized.
Hywel Lewis Senior Engineer Modelling
Tel +64 4 910 3800 DDI [mobile number]
Private Bag 39804, Wellington Mail Centre 5045
Level 4, IBM House, 25 Victoria Street, Petone, Lower Hutt
www.wellingtonwater.co.nz<
http://www.wellingtonwater.co.nz/>
Wellington Water is owned by the Hutt, Porirua, Upper Hutt and Wellington city councils and Greater Wellington Regional Council.
We manage their drinking water, wastewater and stormwater services.
From: Zeean Brydon [mailto:[email address]]
Sent: Tuesday, 3 May 2016 11:52 a.m.
To: Hywel Lewis
Subject: SR356224 - 79 Taranaki Street - Capacity Enquiry
Hi Hywel
David Wilson suggested I contacted you about this site – he seems to think you might have a WW model for this area.
I’m looking at this RC for Sheryl Barker, The site is 79 Taranaki Street. The site and existing WW discharge lateral are showing on the attached GIS extract.
The applicant is proposing to convert 5 floors of office to ‘residential’ accommodation.
Pre Development
The current office floor plans show 2 ‘toilet’ areas per floor with a total of 4 urinals, 7 basins, 7 toilets, and 2 cleaners sinks – so not much. Office floor area (including the toilet space) is 841m2 over 6 floors (one floor will remain as office after the conversion) giving a total floor area of 5046m2.
Post Development
1 floor will remain as office – 841m2.
5 floors will be converted to ‘residential’. This is however high density 1 to 3 bedroom appartments.
Floors 1 – 4 will have 25 beds, 14 bathrooms and 14 kitchen units - I haven’t looked at flows but if you took beds alone this would be equivalent to 8 x 3 bedroom houses.
Floor 5 will have 8 beds, 9 bathrooms and 2 kitchen units – so again based on number of beds – 3 x 3 bedroom houses.
So expecting quite a significant increase in off-site WW discharge.
Is it possible to check if this will cause any capacity issues.
Please feel free to get back to me if you need any further information.
Thanks
Zeean Brydon. Associate Engineer
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