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4.3. Site Conditions
Access routes to the site and within the site should be given on a site plan showing dimensions and level of
access routes, level of the prepared working area for site traffic and plant, and areas available for storage.
Construction of the bin shall not start until the following site conditions have planned for and evaluated for
safety:
• provision and maintenance of hard standing surfaces for cranes and access equipment;
• access routes to and within the site should be included on the site plan;
• soil conditions affecting the safe operation of the structure;
• possible settlement of erection supports for the structure;
• details of underground services, overhead cables or site obstructions;
• limitations on dimensions or weights of components that can be delivered onto the site;
• special environmental and climatic conditions on and around the site;
• particulars of adjacent structures affecting or affected by the works.
4.4. Bin Site Expansion
Future potential bin site expansion should be considered and planned for prior to siting and construction.
4.5. Foundation Specifications
Your smoothwall bin must be installed on a Westeel steel foundation or a concrete foundation.
Steel Foundation
When installing a steel foundation:
1. Select a location with good drainage.
2. Remove loose soil in an area 2' larger than your bin.
3. Fill excavated area with 3/4" crushed gravel to the depth indicated in
.
4. Level and pack the gravel before placing the steel foundation.
Note
Do not leave the center of the gravel hollow. The foundation must contact gravel at all points.
Concrete Foundation
When installing a concrete foundation:
1. Select a location with good drainage.
2. Remove loose soil from the area indicated in the Fdn Dia “D” column of
Note
A minimum soil bearing capacity of 2500 psf is recommended.
3. Excavate the area 8" to 12" below bottom of pad.
SMOOTHWALL BIN