Stages Of RIBA Plan Of Work

Main Stages

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Stages Of RIBA Plan Of Work

Stage A: Inception

In the initial step of RIBA plan of work it develops the brief in a consultation with the client in order to calculate the budget costs and to give guidance on how to continue the work. In this step visiting the site to give initial appraisal takes place. This stage provides advice on the essentials for consultants and scope of their services with the need for any specialist work.
This section includes,

  • Function of the building
  • Size
  • Location
  • Description of the site
  • Financial limit
  • Time scale

The main purpose or the decision to be reached in this inception stage is to prepare the general outline of requirements, which is to be taken to plan the future. This may include client briefing and consideration of requirements.
People directly involved – Clients, Architect.


Work Stage B: Feasibility

Purpose of this stage is to bring forward any study which might be wanted to establish feasibility. This may include evaluation of the alternative design and reviewing it. Also construction tactics and cost suggestions with advices on approvals that may be essential. These might consist of health and safety outline and the timetable for proposed.Feasibility studies based on client requirements may base on,
• Economically
• Financially
• Technically
• Environmentally

The main purpose of this is to provide the client a recommendation and an idea where the client decide the form of the project is to be proceeded, while make it feasible, technical, functional and financial. Here generally studies related to user requirements, site condition, planning and designing processes are analyzed related to cost as this overall viability of the project based on cost information. This helps to come across and provide an initial estimation for the project and to create a cost limit for the project.Simply this is function based on the review with the client on three major factors as,

  1. Alternative design
  2. Construction approaches
  3. Cost implementation

There are some several factors discussed on this stage, such as,
! Floor area of the construction
! Standard quality and the elements used
! Shape and the aesthetic, cultural, religious and social features ! Delivery time period of the project! Project cost
! Balance of cost and budget
! Constraints imposed by the planning authorities.People directly involved – Client, Engineers, architect, QS. This may vary according to nature.

Work Stage C: Outline Proposals

Outline proposals for initial approvals are based on Construction Design as well as Management Regulations. This sector helps to standardize the general methods to the layout of the design and the construction procedure. The chief idea of providing an outline proposal is to get the authority and the approval of client and reports related to the project.

Also this stage helps to determine the key approach of the layout, design and the construction. The client simply can get a clear idea about the proposal and the reports before approving in this stage. And also this stage is required to carry out further studies and analyzes on user requirements, technical problems, cost, planning and design. To continue the work it is required the confirmation of the client.In this stage the architect tries to come out with possible alternative designs and construction methods where the building can be constructed and design. In this stage Architects goes for a necessary changes in functional and aesthetic sections while quantity surveyors handle budget. Structural engineers and service engineers are responsible for different structural forms and alternative services respectively in this stage. General guidance of the cost is done by the quantity surveyor in this stage to do cost implications in different stages and different design solutions. Cost limit is established and outline cost plan of the following is considered,

” Sub-structure

” Super-structure

” Services
” Finishes

” External works
” Furniture and fitting

People directly involved – All clients, architect, engineers, Quantity surveyors and specialists related.

Work Stage D: Scheme Design

Develop a scheme design related to outline proposals with any other consultant. In this stage calculation of cost estimations and discussions in detailed preparation takes place. Materials which should be used and the appearance are planned in it.
Completion of the particular proposals such as,

! Planning arrangement appearance

! Constructional methods

! Outline specifications ! Costs
! Approvals

 

The main task to be done in this is the final development of the brief as well as full design of the project which has done by the architect. Preliminary design by engineers and the preparation of the cost plan with full detailed reports are taken in this stage. Submissions of proposals for all the approvals are considered in this stage.The main point to be considered is that the brief should not be modified after this point. According to the brief the design is developed. All the required approvals are acquired, such as all the approvals from local planning authorities, drawings and specifications related to the building regulations.The critical inspection and selection of design based on following are taken,

” Appearance
” Method of construction
” Specification

Here the sketch design includes sections, elevation, services and finishes.
With regard to extensive cost information; QS checks the approximate estimate. QS may reappraise the initial cost plan with provisional target cost figures, which is based on each element or major parts of the construction.
Elements of the detailed cost plan are,

  • Substructure
  • Superstructure
  • Internal finishes
  • Fittings
  • Services
  • External workPeople directly involved – All clients, architect, engineers, Quantity surveyors and specialists related and approving authorities.

Work Stage E: Detail Design

Finalization of detail design including the co-ordination with respective to other consultants and suppliers. Cost

checks that are appropriate; are done in the detailed design stage. Here preparation and submission of Building Regulations Applications are offered. The chief purpose of this is to acquire the final decision on each and every matter based on design, specification, construction and the cost.The task to be done on this is to complete the cost check of the design. All the design sections are completed by the selection of materials and components selection, in order to solve the problems related to design. Here the every section and components of the building are checked and costs are checked.People directly involved – architect, engineers, Quantity surveyors and specialists related.

Work Stage F: Production Information

Final work drawings are prepared on this stage, which is also useful in the preparation of Bill of Quantities. Schedules and specifications are prepared to include in final information reports. Consultants, sub- contractors and suppliers are required to make the full information with realistic quotations.
The main purpose of this is to prepare information and to come across with detailed decisions to carry out the necessary work. Preparation of ultimate production information schedules, specifications and drawings are also included to these sections.People directly involved – architect, engineers, Quantity surveyors and specialists related.

Work Stage G: Bill of Quantities

The main purpose of the work and the decision to be reached in this level is to prepare and complete necessary information and required arrangements in order to obtain tender. The main task to be done in this level is to prepare the tender documents and Bills of Quantities.Tender documents must include the following, ” Letter of invitations
” Instruction to tenders
” Condition of contracts” Standard forms
” Form of bid
” Bidding data and construction data ” Specifications
” Bill of Quantities
” Drawings
” Schedule
” Return envelopesPeople directly involved – Architect, Quantity surveyors and contractors.

Work Stage H: Tender Action

Counsel based on a list of Contractors which is invited by the Client to the tenders for the works. Issuing tender documents to contractors, in order to receive tenders take place in this stage. These actions are mainly based on the regulations recommended in the relevant NJCC codes, which is functioning on procedures for selective tendering. The main purpose of this stage is to come across these tenders.
The selection of the most suitable contractor based on their tendering procedures included in this stage.
Types of tendering that can occur are,
Open tendering – Advertising through media, maximum competition.

Selective tendering – Sending tender by tender documents
Serial tendering – Selecting contractor for single stage for project. And based on original rates selection of the contractor takes place in this.
Nominated tendering – Selection of the contractor by the client.People directly involved – Architects, Quantity Surveying, engineers, contractor and client.

Work stage J: Project Planning

All the actions are related to RIBA plan of work, to enable the contractor to the programmed the work. These may occur in contract conditions such as brief site inspectorates and arrangements to commence work on site.
In this stage project planning’s such as work scheduling, selecting of sub-contractors, site investigation and layout takes place.People directly involved – Contractors and Sub-contractors.

Work Stage K: Operations on site

In this stage, plans are followed through a practical completion. This takes place according to RIBA plan of work. Physical operations on the site take place in this stage. Here the client and the consultant administrate the contract and the physical operation of the site. Administering the terms related to building contract during work takes place in this stage.

  • Client
  • Consultant
  • Contractor
  • Sub- contractor
  • Suppliers
  • Manufactures

People directly involved – Architects, engineers, contractors, Sub- contractors, QS and clients.

Work stage L: Completion

This is the stage of handing over the project to the client to sort out any defects, settlement of the final account and completion of all work in the contract. This takes place related to RIBA Plan of work.Following are the basic things that take place in this stage,

  • Final inspection
  • Ensuring of the specification
  • Remedy any defects
  • Settlement of final account
  • Handing over the projectPeople directly involved – Architects, engineers, contractors, Sub- contractors, QS and clients.use of the project are taken in to consideration in this stage. Preparing of the cost analyzing by the QS takes place in this stage.Analysis of the job records and inspection of the completed building is done in this stage.People directly involved – Architects, engineers, contractors, Sub- contractors, QS and clients.(RIBA PLAN OF WORK 2013, 2013)
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