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.
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 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) …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 building Specifications?
Building Specifications (also called “specs”) are used by subcontractors and teams as a guide to choosing the right materials for the specialized project. Their overall purpose is to define the requirements for project execution regarding installation, materials, products, procedures, and quality aspects.
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 types of drawings are used in construction?
- As-built drawings and record drawings.
- Assembly drawings.
- Block plan.
- Component drawings.
- Concept drawings/sketches.
- Construction drawings/working drawings.
- Design drawings.
- Detail drawings.
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.
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.
Article first time published onWhat 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.
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 …
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 are construction details?
In construction, details provide a complete description of a specific part of an object such as a building, bridge, tunnel, machine, component and so on.
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 purpose of the specifications?
The purpose of a specification is to provide a description and statement of the requirements of a product, components of a product, the capability or performance of a product, and/or the service or work to be performed to create a product.
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 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 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?
The construction industry consists of three sectors: buildings, infrastructure and industrial.
What is difference between specification and requirement?
What is the difference between a “requirement” and a “specification”? The dictionary tells us that a requirement is something that is needed and that a specification is a precise description of an item.
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.
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 do you write a specification for a construction project?
- Create a clear definition. …
- Detail to support drawings. …
- Information to ensure accurate pricing. …
- Minimise risk. …
- Focus on compliance. …
- Give clear instructions. …
- Make it legally binding. …
- Ensure client satisfaction.
Why are drawings so important to the construction industry and what is commonly included in a set of drawings?
Drawings are important because they are used to communicate the technical details of a project in a common format. The drawings also become the foundation for future projects and cost savings for customers. … After construction of the control panel, the same set of drawings is used for on-site installation.
What is the difference between notes and specifications?
By definition, drawing notes that describe materials, equipment, systems, standards, or workmanship are specifications. And, though far less common, graphic images that appear on small paper are drawings.
