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2 Storey Side Extension with Lift!

Discussion in 'Your Projects' started by Chris0655, 9 Apr 2017.

  1. Chris0655

    Chris0655

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    WEEK 7

    Work continues in the garage with the internal leaf block wall.

    garage blockwork halfway.jpg

    Blockwork almost done. ET has left his bike.

    garage blockwork complete 2.jpg

    The Steel for the media room floor is ready to be placed in position. It will sit in the recess behind the bike.

    We have reused the steel above the garage door. It has been lowered to form the new door lintel. Another steel will be put in about 1.2m directly above this one to form the roof plate.

    garage door lintel.jpg
     
    Last edited: 25 Jun 2017
  2. Chris0655

    Chris0655

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    The view from the side.

    steve image4.JPG

    Now with garage window removed....

    side door lintel.jpg

    The existing window to the garage has been made smaller. It will sit at floor level to the media room, and will be the alternate fire escape route. We had 3 options for dealing with Fire Reg. requirements for the media room:

    1. Install a sprinkler system to protect the stairs and escape route through the breakfast room - too expensive - c.£3k
    2. Build permanent steps under a skylight in the media room roof, to meet requirement of 1100mm max sill height. - too intrusive in the room space
    3. Use the existing window as shown above - will provide more light as well, although we will use obscure safety glazing.
     
  3. Chris0655

    Chris0655

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    WEEK 8

    Beam 2, Which supports the media room floor, has been put in.

    beam 2 installed.jpg

    Nice blockwork, and floor made good...

    Garage block wall.jpg
     
  4. Chris0655

    Chris0655

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    Scaffolding has gone up so work can start on the 2nd storey.

    front scaffolding 2.jpg

    The diagonal wooden batten shows the line of the new roof, at the front. Scaffolding goes all the way round to the rear extension.

    20170628_174505.jpg

    And the view from inside shows the utility wall outer leaf has been removed. The whole wall will eventually go, once the rear extension is watertight and secure.

    rear outer leaf removed.jpg

    The house was built in 1973. The blocks used were 4 inch, hollow clinker blocks.


    Beam 4 to support 2nd story at the rear of the house has also been installed.

    The beam is 2 "C" section steels bolted together with spacers. Unfortunately the original cavity wall is only 267mm wide so we have had to narrow the beam slightly to match the existing wall. We may have to put some celotex board insulation on the inside of the new cavity wall above to meet the building reg thermal requirements.

    rear beam 5 installed.jpg

    The perimeter of the flat roof has been cut away so that the external walls can be built up. Temporary stud work has been installed to support the joists of the flat roof.

    utility temporay stud support.jpg

    More deliveries with the HIAB

    20170630_134916.jpg
     
    Last edited: 2 Jul 2017
  5. Chris0655

    Chris0655

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    WEEK 9

    Meanwhile, up on the garage roof, it's all set for a massive game of Jenga.

    Garage roof jenga.jpg

    Shame to lose the view.

    The roof profile is now taking shape.

    garage roof blocks.jpg
     
  6. eddieed

    eddieed

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    Thanks for all the updates - can I ask a question and I don't mean to be rude, maybe its the lighting or camera. Are you planning on rendering the extension - the match on the brick work is a bit out, maybe they will fade and blend, wondering who did your brick matching.
     
  7. Chris0655

    Chris0655

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    The honest answer is that the brick matching is a bit disappointing. We had various sample bricks and selected what we thought was a good match. However, the reality is that they are quite a different shade from the existing 1973 bricks. They will mellow in over time and the existing ones are darkened by mildew and other aging. They existing bricks will look lighter after a good jet wash.

    I will give it a year, and then if I still find that the match is too uncomfortable I will look at rendering the rear extension. The side wall to the extension is rarely seen so I'm not too bothered about that.
     
  8. Ian H

    Ian H

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    There is some stuff called Liquid Weather that claims to age new bricks, could be worth a try on a loose one.
     
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  10. Chris0655

    Chris0655

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    Thanks Ian. That's a good suggestion. I'll get one of their tester pots and give it a try. I'll post pictures for all to see. The Builder had suggested using a natural alternative of gutter gunge and water.
     
  11. Chris0655

    Chris0655

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    Progress viewed from the side...

    side 1.JPG

    side 2.JPG

    side 3.JPG

    The outer bricks piled up are a different batch from those already used, with much greater contrast between reds and orange.
     
  12. Chris0655

    Chris0655

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    WEEK 11

    And it continues to grow...

    side 4.JPG

    side 5.JPG

    With another level of scaffold.

    side 6.JPG

    side 7.JPG

    topped out.JPG

    rear 2 storey scaffold.jpg
     
    Last edited: 25 Jul 2017
  13. Chris0655

    Chris0655

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    WEEK 12

    Steel Beam no.1 is delivered.

    Beam 1 arrives.jpg

    And put in place. The roof is starting to take shape.

    front beam 1.jpg

    From inside to see the ridgeboard and sidewall apex..

    ridgeboard.jpg

    More deliveries. This time the rafters. Mind my car!

    rafters delivered.jpg
     
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  14. Chris0655

    Chris0655

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    WEEK 13

    The roof is starting to take shape.

    rafters started.jpg

    inside rafters.jpg

    long Legged Joist hangers will be added to the junction with the beam.

    cathedral roof.jpg
     
  15. Chris0655

    Chris0655

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    Work has started on the lift shaft.

    The lift runs on vertical rails, powered by a hydraulic jack. The rails need to have solid fixings as there will be significant rotational moment forces applied. The existing wall bricks are a silica type and a bit soft/crumbly so the lift engineer advised us to install a concrete block wall to take the rail.

    Lift support wall.jpg

    The blocks specified are 10.4N, 440mm x 140mm. Bl**dy heavy! 28Kg each. The new wall is tied into the existing with 3 columns of wall starter ties.

    The remainder of the shaft can use thermalite 3.6N blocks.

    Lift shaft lower.jpg
     
    Last edited: 9 Aug 2017
  16. Chris0655

    Chris0655

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    The media room floor/garage ceiling is now in place. As seen from below...

    media room floor underside.jpg

    And from above....

    media room floor 2 (2).jpg

    The original garage flat roof is still in place and being used as a working platform for the new roof. Hence the 6x2 support struts.
     
    Last edited: 9 Aug 2017
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