What is the difference between construction drawings and specifications

Your house plans are a set of scaled drawings that show contractors what they are building. Your specifications (or specs) are a written document that details what materials will be used and how to install things.

What is the difference between a drawing and a specification?

Specifications will detail the materials, standards, techniques, and so on required to carry out the works. Construction drawings provide the graphical representation, indicating the arrangement of components, detailing, dimensions, and so on.

What are plans drawings and specifications?

Plan and spec is a method of commercial construction project delivery where design drawings (or plans) are created along with written specifications (or specs) to further describe the equipment and parts shown in the drawings.

What are specifications in construction drawings?

According to the Dictionary of Architecture & Construction a specification is, “a written document describing in detail the scope of work, materials to be used, methods of installation, and quality of workmanship for a parcel of work to be placed under contract; usually utilized in conjunction with working (contract) …

Do construction drawings supersede specifications?

If there is a conflict between the Drawings and Details on Drawings and the Specifications, then the Specifications will prevail. The higher “Order of Precedence of Documents” governs or prevails.

What is design and specification in construction?

Specifications describe the products, materials, and work required by a construction contract. They do not include cost, quantity, or drawn information, and so need to be read alongside other information such as quantities, schedules, and drawings. … For more information see: Prescriptive specifications.

What is construction in drawing?

Construction refers to the practice of breaking complex objects down into basic shapes. … The artist then pieces these basics shapes together to form the more complex shape of the object that they wish to draw.

What are house specifications?

Your house plans are a set of scaled drawings that show contractors what they are building. Your specifications (or specs) are a written document that details what materials will be used and how to install things. … You, the General Contractor, and the sub contractor need to figure out what to do next.

Why are specifications used in construction?

The specification provides clear instructions on project intent, performance and construction. It can reference the quality and standards which should be applied. Materials and manufacturers’ products can be clearly defined. Installation, testing and handover requirements can be identified.

What are the four types of specifications?

Deciding among the four types of specifications—descriptive, performance, reference standard, and proprietary—and choosing how the specification is going to be written is only the first of many design decisions engineers make when starting to edit what will become a project specification, especially when specifying …

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What are Specifications in building plans?

Specification: A detailed description of the dimensions, construction, workmanship, materials etc., of work done or to be done, prepared by an architect, engineer etc.

What are Specifications explain their purpose?

These are Specifications that define the function, duty or role of the goods or services. It nominates what the goods or services are broadly required to do. Functional specifications define the task or desired result by focusing on what is to be achieved rather than how it is to be done.

What are the types of drawings in construction?

• 1 Architectural Drawings: This is one of the types of construction drawings. …
• Structural Drawings: …
• Electrical Drawings: …
• Plumbing and Sanitary Drawings: …
• Finishing Drawing:

What is the relationship between specification document and drawing?

The drawings reflect what the project specifications are unlikely to cover; and the project specifications indicate what the drawings are unlikely to portray. Specifications are also sometimes used to further clarify details that are not adequately covered by the drawings and notes on the drawings.

What are the two general means of resolving conflicts between the plans and specifications?

There are two effective strategies when it comes to resolving disputes in construction: compromise and problem-solve. The first means parties give up or give in until they meet in the middle, while the second means parties work together to find an alternative solution.

What is limit of retention in construction?

What is the ‘Limit of Retention Money? Retention sum is subjected to limit as per the stated percentage in the contract which is known as ‘Limit of Retention’. In general, ‘Limit of Retention’ is 5% of the contract sum. Therefore once the Limit of Retention is reached, you cannot deduct further Retention Money.

What are the 6 types of construction drawings?

• Plans.
• Interior and exterior elevations.
• Building and wall sections.
• Interior and exterior details.
• Schedules and room finishes.
• Framing and utility plans.

What should a construction drawing include?

1. Names of rooms.
2. Scale.
3. Dimensions.
4. Size and build up of both external and internal walls and partitions (sometime a key/legend is used for this)
5. Location of any structural elements such as beams, columns, lintels, etc.
6. Stair information and direction.

What is meant by design specifications?

A design specification is a detailed document providing a list of points regarding a product or process. For example, the design specification could include required dimensions, environmental factors, ergonomic factors, aesthetic factors, maintenance that will be needed, etc.

What are two types of specifications?

• Prescriptive Specs.
• Performance Specs.
• Proprietary Specs.

What are the types of specifications?

• General Specifications.
• Detailed Specifications. a. Standard Specification. b. Special Specification.

What is the example of specification?

The definition of a specification is a precise requirement, or a detailed description of workmanship, materials or processes. A mandate that only domestic plywood be used in the construction of your home is an example of a specification.

What are 5 methods of specification?

• Requirement Specifications. Documentation of a business need. …
• Design Specifications. …
• Material Specifications. …
• Standard Specifications. …
• Interface Specifications. …
• Test Specifications. …
• Performance Specifications. …
• Quality Specifications.

How do you write a construction specification?

1. Create a clear definition. …
2. Detail to support drawings. …
3. Information to ensure accurate pricing. …
4. Minimise risk. …
5. Focus on compliance. …
6. Give clear instructions. …
7. Make it legally binding. …
8. Ensure client satisfaction.

What are the two most common types of specification?

UK project specification types fall into two main categories prescriptive and performance. Prescriptive specifications define the requirements using generic or proprietary descriptions of what is required, whereas performance specifications focus on the outcomes rather than the characteristics of the components.

How may project specifications be used?

The project specification is an important legal document that is to be read in conjunction with the drawings and building contract. Actually in many building contracts in cases where there are ambiguities between the drawings and the specification, the specification takes precedence.

What are the three types of specifications?

In every construction project, there are three types of construction specifications. The three types of construction specifications are prescriptive, performance, and proprietary.

What should a specification include?

• Price format.
• For Services: day/hourly/all-inclusive rates (total cost)
• Quality.
• Quantity.
• Required supplier experience.
• Size / dimensions.
• Performance.
• Installation / maintenance / servicing / warranty.

What is the difference between standards and specifications?

Standards provide the “how to” of executing codes. Specifications, unlike codes or standards, outline the requirements of a specific company or product. Regulations, which can incorporate codes and standards, are mandated by a government body and required, by law, to be complied with.

What are 4 main functions of plans working drawings and specifications?

• clearly and concisely.
• neatly and legibly.
• in a logical sequence.
• with consistency between drawings and specifications.
• with the drawings of different consultants coordinated to prevent conflicts, ambiguity or contradictions.
• with all dimensions shown and drawn to scale.

What are the 3 types of construction?

Broadly, there are three sectors of construction: buildings, infrastructure and industrial: Building construction is usually further divided into residential and non-residential.