Online CDT Questions Video

Comprehensive and Detailed Explanation From Exact Extract (CSI-based)

CSI’s treatment of warranties in construction distinguishes among several types, including:

Warranty of title – assures that the seller/contractor has good title to goods and that they are free of liens or claims.

Implied warranties – such as merchantability and fitness for a particular purpose, arising under applicable law for goods.

Express warranties – explicitly stated in the contract documents or manufacturer literature, which may include extended warranties.

In the construction context, CSI’s project delivery and specification guidance emphasizes that extended warranties (often called special warranties in specifications):

Survive completion and acceptance of the project.

Provide remedies to the owner for defects in materials and/or workmanship that appear after substantial completion, often beyond the standard one-year correction period.

Are commonly used for critical building components (e.g., roofing systems, waterproofing, major equipment) and may run for 5, 10, or more years.

This directly matches the question’s language: a warranty “used to provide a remedy to the owner for material defects or failures after completion and acceptance of construction.” That is precisely the purpose of an extended warranty in CSI-style contract documents and specifications, making Option D correct.

Why the other options are incorrect:

A. Warranty of titleThis deals with ownership and freedom from liens, not performance of materials or systems after completion. It does not address post-completion material defects.

B. Implied warranty of merchantabilityThis is a legal concept for goods: that they are fit for ordinary purposes. While it may apply in background law, it is not the specific contractual tool that owners rely on in construction documents to secure long-term remedies for material defects.

C. Purchase warranty“Purchase warranty” is not a standard CSI-defined category of construction warranty. Product or manufacturer warranties may be obtained at purchase, but the CSI terminology used in specifications and project delivery guidance is typically standard warranty, special warranty, or extended warranty, not “purchase warranty.”

Key CSI References (titles only):

CSI Project Delivery Practice Guide – sections on Warranties, Guarantees, and the Correction Period.

CSI Construction Specifications Practice Guide – guidance on specifying warranties (including extended warranties) in Division 01 and technical sections.

CSI CDT Body of Knowledge – “Contract Provisions: Warranties and Guarantees.”

In CSI-based project cost planning, contingency is defined as an amount added to an estimate or budget to cover uncertainties and unknowns that cannot yet be clearly defined at the current level of design development.

CSI’s practice guides and CDT materials explain (paraphrased):

In early design phases, such as schematic design, the design is only partially developed. Important elements are still undecided, and system configurations may change. Because of this, the cost estimate is inherently less precise.

A contingency line item is therefore included to cover:

Incomplete design information,

Potential scope refinement,

Normal estimating uncertainties, and

Other unknown factors at that stage.

As the project moves into design development and later into the construction documents phase, the design becomes more complete and the uncertainty decreases, so contingency percentages typically decrease.

By contrast, CSI differentiates contingency from other estimating tools:

Allowances: Specific sums in the contract for known-but-not-fully-defined items (e.g., “flooring allowance of X per m²”). These are identified items with placeholder values, not general unknowns.

Unit prices: Agreed rates for measuring work (e.g., $/m³ of rock excavation) used when quantities are uncertain, but scope categories are known and clearly described in the documents.

Alternates: Defined options requested by the owner (additive or deductive) for comparison and selection—again, specifically described items, not “unknowns.”

Because the question specifically references the schematic design phase and asks what the contingency line item covers, the CSI-aligned answer is “Unknown factors” – Option C.

Why the other options are incorrect:

A. Allowances – These are separate, explicit line items in the estimate or specifications and are not what contingency is intended to cover.

B. Unit prices – These deal with agreed rates for work whose quantities may vary, not with broad early-phase uncertainty.

D. Alternates – Alternates are specifically described choices requested for comparison; they are priced individually, not absorbed into contingency.

Key CSI-aligned references (no links):

CSI Project Delivery Practice Guide – sections on cost planning and contingencies by phase.

CSI CDT Body of Knowledge – definitions and uses of contingency, allowances, unit prices, and alternates in estimating.

Comprehensive and Detailed Explanation From Exact Extract (CSI-based)

CSI defines a specification section as the document that:

Describes requirements for a specific portion of the Work (work results), and

Indicates how that portion relates and coordinates with other portions of the project.

In CSI’s Construction Specifications Practice Guide and SectionFormat guidance, a well-written specification section must:

Establish scope for that part of the work,

Define performance, products, and execution requirements, and

Address coordination and interface with other sections and with the work as a whole (for example, related sections, substrate preparation, connection to adjacent work, integration of components).

Thus, the specification section must indicate:

“The interrelationships that exist between the work of this section and the entire project” (Option C).

This is often handled in the “Related Sections,” “Summary,” or “Coordination” articles in Part 1 of the section, consistent with CSI’s SectionFormat.

Why the other options are incorrect:

A. The building trade that will perform the installationCSI is clear that specifications should not assign work to specific trades or contractors. Contracting strategy and trade assignments are the contractor’s responsibility. Specs define requirements, not which trade performs them.

B. The likely anticipated cost of the specified productSpecifications do not state prices or cost; they describe quality and performance requirements. Cost estimating is a separate function (often using UniFormat/MasterFormat structures) and is not written into the specification text.

D. How the owner will be compensated if the specified item is unavailableCompensation, changes in cost, and substitutions are handled through contract conditions and change procedures (General Conditions, Supplementary Conditions, Division 01), not within individual specification sections as a general rule.

Relevant CSI references (paraphrased):

CSI Construction Specifications Practice Guide – description of the purpose of a specification section and SectionFormat (Parts 1–3) and the need to define relationships to other work.

CSI CDT Study Materials – guidance on what specifications should and should not include (no trade assignments, no costs, focus on requirements and coordination).

Comprehensive and Detailed Explanation From Exact Extract (CSI-based)

CSI distinguishes among several written formats, each with a specific purpose:

UniFormat – organizes information by systems and assemblies (elements) and is commonly used for:

Cost classification and early cost estimating,

Data organization in the programming, schematic design, and design development stages.

MasterFormat – organizes information by work results (trades/products) and is used for:

Project specifications,

Detailed cost information tied to specification sections,

Organizing procurement and construction information.

CSI’s practice guides clearly connect cost classification and data organization in early design with UniFormat, and detailed specifications and later-stage cost information with MasterFormat. Therefore, the correct pair is:

UniFormat and MasterFormat (Option B)

Why the other options are incorrect:

A. OmniClass and UniFormat – OmniClass is a broader classification system for the built environment, not the primary written format CSI assigns to “specifications.” UniFormat is used for cost and systems, but OmniClass is not the standard format for specs.

C. OmniClass and MasterFormat – Again, OmniClass is overarching; it does not replace UniFormat as the main element-based cost classification tool.

D. SectionFormat and MasterFormat – SectionFormat is the internal three-part structure of a specification section (Parts 1, 2, and 3) and is not the format used for cost classification and data organization; that role is assigned to UniFormat.

Relevant CSI references (paraphrased):

CSI Project Delivery Practice Guide – descriptions of UniFormat use for system-based project descriptions and cost planning, and MasterFormat use for work result organization.

CSI Construction Specifications Practice Guide – chapters on MasterFormat, UniFormat, and their roles in specifications and estimating.