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What do I need to decide+order when? Timing Schedule?


puntloos

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Given all these supply issues, I wonder if someone has drawn up a detailed list of 'what happens when' and then combine it with lead times to get a 'order deadline times' list. Surely at least the timing steps list exists? 

 

"If lead time on <item X> is <Y weeks> and I need them on <date> then my deadline to decide and put the order in is <date-Y=deadlinedate>

 

So indeed something like: (completely made up, plz don't critique too much ;) )

 

Jan 1: setup

Jan 7: digger arrives

Jan 14: big hole dug

Jan 21: Concrete needed 

March 1: Tiling of the roof starts (so.. I need to decide and order tiles..)

May 1: Electrical stuff comes in

Sep 1: Bathroom tiling.. 

 

Which would mean I can put together a list like:
 

Nov 1: order concrete (for Jan 21)

Jan 1: order tiles

Mar 1: order electrics

Jul 1: Order bathroom

 

 

 

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I reckon there are far too many variables to have a generic list.

your own requirements and expectations, how much work you are doing yourself etc. Type of build, size, location, time of year - these all affect the programme of works.

then there is the specialist suppliers, windows, doors etc. Whose lead times can vary widely.

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It is worth checking to find lead times on the stuff you want, especially if it is not mainstream.  Contractors do not want to be waiting around for gear to turn up or trying to work around without it.  If you can get some stages planned where you can have a few weeks of slack between, it will help ease the stress, but lengthen the programme.

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33 minutes ago, puntloos said:

Given all these supply issues, I wonder if someone has drawn up a detailed list of 'what happens when' and then combine it with lead times to get a 'order deadline times' list. Surely at least the timing steps list exists? 

 

"If lead time on <item X> is <Y weeks> and I need them on <date> then my deadline to decide and put the order in is <date-Y=deadlinedate>

 

So indeed something like: (completely made up, plz don't critique too much ;) )

 

Jan 1: setup

Jan 7: digger arrives

Jan 14: big hole dug

Jan 21: Concrete needed 

March 1: Tiling of the roof starts (so.. I need to decide and order tiles..)

May 1: Electrical stuff comes in

Sep 1: Bathroom tiling.. 

 

Which would mean I can put together a list like:
 

Nov 1: order concrete (for Jan 21)

Jan 1: order tiles

Mar 1: order electrics

Jul 1: Order bathroom

 

 

 

What is commonly produced for construction projects is a gantt chart. 

 

It is more or less what you are talking about, a week by week planner with all the stages and overlaps and sequence etc. all laid into one plan. 

 

The issue is, no plan survives first contact.

 

However, they are done, and they are common. They can sometime also list deadlines for things such as material and equipment date and time requirements including when they need to be ordered.

 

More often than not because a Gantt chart may cover 10's of contractors they often leave that contractor up to doing his own ordering to suit his schedule. So in other words if there is a 2 week period programmed in for first fix electrical, then the electrical contractor obviously knows they need to arrive at site on day 1 with some materials to get rolling. 

Edited by Carrerahill
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9 hours ago, Carrerahill said:

What is commonly produced for construction projects is a gantt chart. 

 

It is more or less what you are talking about, a week by week planner with all the stages and overlaps and sequence etc. all laid into one plan. 

 

The issue is, no plan survives first contact.

 

However, they are done, and they are common. They can sometime also list deadlines for things such as material and equipment date and time requirements including when they need to be ordered.

 

More often than not because a Gantt chart may cover 10's of contractors they often leave that contractor up to doing his own ordering to suit his schedule. So in other words if there is a 2 week period programmed in for first fix electrical, then the electrical contractor obviously knows they need to arrive at site on day 1 with some materials to get rolling. 

Thanks @Carrerahill - you are probably right, especially when delivery time estimates turn into unhappy reality

 

I found this one - https://spreadsheetpage.com/gantt-chart/house-construction/ - it seems to be pretty optimistic, but at least it provides me with the order of things!

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I'm watching this with interest as now thinking about our build beginning (hopefully) in October.  

 

Even for just the workshop we had supply issues - ordered plastic fascia and soffits from a company online. The warehouse contacted me on the delivery date (about 5 days later) saying all they had in stock was one piece of soffit, and nothing else. I ended up cancelling the order as we were finishing up and heading home. Very frustrating.

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Our roofer was telling that we recently quoted for a job and the roofing merchant was quoting 26 weeks lead time on the particular tiles the customer wanted. Maybe it would be best to order everything you need to get water tight in one go. Then concentrate on the internals later.

Edited by Triassic
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3 hours ago, Triassic said:

Our roofer was telling that we recently quoted for a job and the roofing merchant was quoting 26 weeks lead time on the particular tiles the customer wanted. Maybe it would be best to order everything you need to get water tight in one go. Then concentrate on the internals later.

If the OP has safe secure storage space and money then I agree this would be very prudent.

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12 hours ago, Dave Jones said:

order now.

 

roof tiles. bricks.

 

order 3 months before you need it

 

blocks

insulation

roof trusses

windows

eveything else

 

leave to last minute

 

sand

Order Services first - can never do too early

Windows and external doors - as soon as you can - start now to get all the quotes done with rough sizes, then place firm order as soon as sizes confirmed

Roof tiles and bricks asap - can order and put them on hold

Kitchen - start designing - takes for ever to finalise

Concrete and screed 1-2 weeks before you need it.

Any timber - as soon as you know quantities

 

Then as Dave says, everything else last minute

 

 

 

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