Contract administration is a term used to describe the functions that are performed after the contracting parties have signed the contract. As a precise term, contract administration refers to those activities that take place after contract award and can include a plethora of activities ranging from routine to unusual. It requires the contract manager to…
Category: QUANTITY SURVEYING
The Building Team
The Employer The employer is also called the client or building owner. He is the organization or person who commissions the construction project. The important thing is that employer is the person who pays the cost of the work. Much of the success of a building contract will depend on the employer and the motivation…
Interim Payment Certificates
Any certificate of payment issued by the Engineer before the Final Payment Certificate is defined as an interim Payment.
Variations
Variations can be defined as changes to the design, quality, or quantity of the works set out in the original scope of works under the contract. Therefore, normally it will result in either increase or decrease from the contract sum.
Daywork
Sub-Clause 13.6 – FIDIC 1999 For work of a minor or incidental nature, the Engineer may instruct that a Variation shall be executed on a daywork basis. The work shall then be valued in accordance with the Daywork Schedule included in the Contract, and the following procedure shall apply. If a Daywork Schedule is not…
Unit rate calculation – Example – Wall painting
Calculate a unit rate (per 01 m2) for applying 02 coats of Emulsion paint on a plastered wall surface using the following data.
Unit rate calculation – Examples – Concrete
Calculate a unit rate for supplying & placing 1:2:4 (20 mm) concrete in a column foundation, using the data given below.
Unit Rate Calculations – Examples – Rubble Masonry work
Calculate a unit rate per 1 m2 of 350 mm thick rubble masonry wall using 1:5 Cement : Sand mix. Use the following data.
Depreciation
The depreciation can be defined as “the decline in the market value of an asset”. A machine depreciates (decline in value) because;- it wears out during usage, and – no longer possible to perform its functions well as when it was new.
Estimating Activity cost
Estimating the cost of any work items includes estimating the cost of labor, equipment, and material. The analysis of a given job requires an in-depth examination of the plans and specifications given with the bid documents, an evaluation of the soil investigation report, etc.
Labor productivity – Unit rate analysis
The construction industry, to which these workers belong, is one of the most non-automated or labor-intensive industries in the world. The labor cost element of a building construction project may vary from 30 to 50%, and sometimes can be as high as 60% of the total construction cost
BILL OF QUANTITY & THE QUANTITY SURVEYOR
Quantity surveying is a task of measuring construction work required to implement the architects’ design for new or renovated buildings. One purpose of quantity surveying is to produce a document of quantified sub-work items to represent the whole construction. It is known as Bills of Quantities.