AC-G - Retaining Wall Plan and Section
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Portfolio Drawing AutoCAD Plan and Section 1:20 FK AC/G-A101 -
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Transcript of AC-G - Retaining Wall Plan and Section
Portfolio Drawing
AutoCAD
Plan and Section
1:20 FK
AC/G-A101 -
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25mm Protective Fibre Board
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Home Gable Wall DPM/Waterproof Walls
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Ramp Down
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PLAN
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New Land Drain to be Connected to Main Land Drainage System
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Existing Gable Wall Off Existing Concrete Retaining Wall
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New Land Drain Refer Note 2.
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7.3N/mm Dense Block 2 Dense Block 100mm Skin Frost Resistant Class (ii) Mortar
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SECTION 1 - 1
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3 Engineering Brick Courses in Class (i) Mortar
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A393 Mesh
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Granular Surround Refer Note 8.
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Clay
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Filtram Layer
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Existing Garden Level
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Old Land Drain to be removed
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C20 Lean Mix Concrete to replace fill & Overdig to Virgin Ground Refer Note 5.
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Formation Level
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Virgin Ground
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Drainage to Planter 25mm tubes @ 1.0m c/c
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75 Diameter Weep holes formed with PVC tubes Min 3 no. evenly spaced along wall
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Mesh
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Extract for BS 5628 Part (II)
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23 No. Shape Code 11 Length: 1600mm A: 900
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Starter Bars All Other A392 Mesh Cut to Suit on Site
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A393 Mesh
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10mm/35N/mm Concrete2 Concrete
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Date
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Rev
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Comments
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Drn
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Chkd
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Scale:
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Date:
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Drawing No:
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Revision:
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Checked:
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Drawn by:
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Title
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Project
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T1
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Tender Issue
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FK
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1.All setting out to match vertically to match original wall including All setting out to match vertically to match original wall including planter. 2.Granular backfill to garden wall to link in to land drain. Granular backfill to garden wall to link in to land drain. 3.New Waterproof Membrane to Existing Gable wall to be applied prior to New Waterproof Membrane to Existing Gable wall to be applied prior to new garden retaining wall construction. Use 25mm protective fibre board between garden wall & membrane for protection. 4.Any deviation between RWP and architects drawings must be brought Any deviation between RWP and architects drawings must be brought to the attention of RWP before works proceed on site. 5.Concrete foundations must bear on virgin ground where soft spots or Concrete foundations must bear on virgin ground where soft spots or over-dig, excavate and backfill with lean mix concrete to formation level 6.Foundation concrete in constant with ground to match original build Foundation concrete in constant with ground to match original build specification, not less than Fcu 35n/mm2 concrete in retaining wall cavity to be 10mm aggregate built low lift method (see extract below). 7.Cover to Bars to be 35mm. Cover to Bars to be 35mm. 8.Granular surround to land drain to be connected by granular backfill Granular surround to land drain to be connected by granular backfill to wall. 9.Minimum lap between mesh starter bars to be 600mm. Minimum lap between mesh starter bars to be 600mm. 10.All waterproofing to specialist.All waterproofing to specialist.
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NOTES
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11.2.2.1 General It essential that mortar droppings or scrapings should not be permitted to remain in the cavity (see BS 5628-3:1985, 32.11). Ties between the leaves of grouted-cavity walls should be provided in accordance with 10.4. 11.2.2.2 Low-Lift In lo-lift grouted-cavity construction, the concrete infill should be placed as part of the process of laying the units at maximum vertical intervals 450mm. Any excess mortar in the cavity should be removed before infilling. The infill concrete should be placed in layers to within 50mm of the level of the last course laid and should be placed using receptacles with spouts to avoid staining and splashing of face work. Its is important the the concrete infill should be compacted immediately after pouring. care should be taken to to avoid raising the walls too rapidly, causing disruption due to excessive lateral pressure from the infill concrete before the masonry has had time to gain sufficient strength. if the wall should move at any level due to these forces, it is essential to take it down and rebuild it.
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EXTRACT FOR BS 5628 PART (II)
