Screed: is a pump advisable?

[eandg]

Our initial screed installer can no longer do the work - two weeks lead time is now two months - and our preferred new installer is advising we do not need need a pump to pour, and they'll instead barrow in (but that they can pump if we like, for an extra £600). Any issues with that? 

[saveasteading]

Area and depth?

Plain screed or with ufh and/ or mesh?

 

With enough barrows, strong workers and planks it is perfectly OK.

[eandg]

102m2, 75mm depth over UFH. 

[saveasteading]

56 minutes ago, eandg said:

over UFH.

So damage must be avoided. Lots of planks and a lecture will sort that. Plus you watching the pipes stay put.

 

59 minutes ago, eandg said:

102m2, 75mm

7.5m3 of concrete is 150 barrowloads. Gulp.

But I've seen it often enough. Doable with 3 or 4 barrows and 3 or 4 strong and willing workers.

The lorry will be on site throughout, so they will need to know to not schedule another delivery, and they charge a lot after 30 minutes.

 

3 hours?

That may be too long for the concrete to be mixing and ' going off'. Ask the supplier. Maybe better 2 x small loads.

 

If there are doors to barrow through, then protect them thoroughly.

 

If your contractor is happy then you just have to worry about damage.

 

[eandg]

Just now, saveasteading said:

So damage must be avoided. Lots of planks and a lecture will sort that. Plus you watching the pipes stay put.

 

7.5m3 of concrete is 150 barrowloads. Gulp.

But I've seen it often enough. Doable with 3 or 4 barrows and 3 or 4 strong and willing workers.

The lorry will be on site throughout, so they will need to know to not schedule another delivery, and they charge a lot after 30 minutes.

 

3 hours?

That may be too long for the concrete to be mixing and ' going off'. Ask the supplier. Maybe better 2 x small loads.

 

If there are doors to barrow through, then protect them thoroughly.

 

If your contractor is happy then you just have to worry about damage.

 

Finding a replacement was a job I subbied out to the other half. I think I'll give the new lot a call tomorrow for an initial chat. Cheers. 

[Alan Ambrose]

I would pay up for the pump - that way they can concentrate on getting a good level pour, not crushing the pipes etc rather than spending their time and energy muscling in the heavy stuff.

[Nickfromwales]

44 minutes ago, eandg said:

Finding a replacement was a job I subbied out to the other half. I think I'll give the new lot a call tomorrow for an initial chat. Cheers. 

Concrete or "dry" screed?

 

If you get stuck, you can try my guy. You'll just need to be ringing sooner than later with ANY contractor atm as the norm is 8-12 weeks minimum lead time with anyone decent at their job.

Defo 2 wagons with that quantity if dry screed, especially if it turns out to be a warm / hot day.

[eandg]

1 hour ago, Alan Ambrose said:

I would pay up for the pump - that way they can concentrate on getting a good level pour, not crushing the pipes etc rather than spending their time and energy muscling in the heavy stuff.

Coming round to that thinking. 

1 hour ago, Nickfromwales said:

Concrete or "dry" screed?

 

If you get stuck, you can try my guy. You'll just need to be ringing sooner than later with ANY contractor atm as the norm is 8-12 weeks minimum lead time with anyone decent at their job.

Defo 2 wagons with that quantity if dry screed, especially if it turns out to be a warm / hot day.

Thanks - and concrete. Data sheet says 8-12 hours usable time in normal conditions.