WP Details:F1.7.11 (Bi-Level Drain - Hard Surface: Low Pervious Wearing Course)
WP Details:F1.7.11 (Bi-Level Drain - Hard Surface: Low Pervious Wearing Course)
Division D - Construction Details
WP Details:F1.7.11 (Bi-Level Drain - Hard Surface: Low Pervious Wearing Course)
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| Images used in a Construction Detail are representative and not prescriptive. Nor are they necessarily drawn to scale. Rather, they are provided to visually convey the requirements of the Standard they represent. Unless otherwise required by the Standard, dimensions, the selection of materials and their application remains the responsibility of the Design Authority. The full text of the referenced requirements in the Standard may be read by using the blue hyperlinks | |
Waterproofing Details for Plazas, Promenades and Terraces
1 WORK INCLUDED
- (1) Membrane Primer or Adhesive
- Proprietary primer or adhesive, application method and quantities for substrate type as directed by membrane manufacturer's published application specifications.
- (2) Primary Waterproofing Membrane
- Fully adhered to acceptable substrates (concrete slab shown), installed as per the Standard and Membrane Manufacturer's installation specifications.
- (3) Protection Board & Filter Fabric
- Proprietary (purpose-made) drainage boards and filter fabric required with semi- impermeable sand and gravel beds designed to provide levelling for unit masonry.
2 WORK BY OTHERS
- (A) Acceptable Deck
- Concrete slab shown
- (B) Drain Body
- Proprietary Bi-level cast iron roof for waterproofing assembly with low previous wearing courses.
- (C) Drain inlet
- Drainage opening at top surface of semi- impermeable wearing courses on Bi-Level drain.
- (D) Drainage Board /Filter Fabric
- Proprietary drainage board approved by membrane manufacturer, compatible with waterproofing membrane system, and compliant with Section 14, Penetrations and Drains.
- (E) [Grade-level Waterproofing Standard#WPWEARING | Sand/Gravel Bed with Filter Mat]
- Synthetic water permeable fabric required to contain sand beds for unit masonry (bricks, pavers and stone).
- (F) Unit Masonry Wearing Course
- Concrete brick, pavers and stone on sand or gravel beds designed to support predicted live loads.
NOTE: See the Standard for additional requirements.
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