General
• Many products in Division 14 will require some type of support or blocking for installation not included with the item itself. Examples are supports for conveyors or tube systems, attachment points for lifts, and footings for hoists or cranes. Add these supports in the appropriate division.
14 10 00 Dumbwaiters
14 20 00 Elevators
• Dumbwaiters and elevators are estimated and purchased in a method similar to buying a car. The manufacturer has a base unit with standard features. Added to this base unit price will be whatever options the owner or specifications require. Increased load capacity, additional vertical travel, additional stops, higher speed, and cab finish options are items to be considered. When developing an estimate for dumbwaiters and elevators, remember that some items needed by the installers may have to be included as part of the general contract.
Examples are:
• shaftway
• rail support brackets
• machine room
• electrical supply
• sill angles
• electrical connections
• pits
• roof penthouses
• pit ladders
Check the job specifications and drawings before pricing.
• Installation of elevators and handicapped lifts in historic structures can require significant additional costs. The associated structural requirements may involve cutting into and repairing finishes, mouldings, flooring, etc. The estimator must account for these special conditions.
14 30 00 Escalators and Moving Walks
• Escalators and moving walks are specialty items installed by specialty contractors. There are numerous options associated with these items. For specific options contact a manufacturer or contractor. In a method similar to estimating dumbwaiters and elevators, you should verify the extent of general contract work and add items as necessary.
14 40 00 Lifts
14 90 00 Other Conveying Equipment
• Products such as correspondence lifts, conveyors, chutes, pneumatic tube systems, material handling cranes, and hoists, as well as other items specified in this subdivision, may require trained installers. The general contractor might not have any choice as to who will perform the installation or when it will be performed. Long lead times are often required for these products, making early decisions in scheduling necessary.
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