शनिवार, 11 अप्रैल 2009

REMODELING CONTRACTORS - CONSTRUCTION COMPANY-Part N° 2

# STUDY OF OFFERS - Part N°2


Dear Readers
The contents of this publication has been prepared by Engineers of long experience in implementing Remodelings-Industrial Construction- Construction of Buildings
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#STUDY of the DIRECT COST OF THE OFFER

In this step we are going to analyze the Study of The Itemized offer according to the future Client order or if it does not it request , we will make a careful analysis of the activities of the new work
A common and effective practice to bid prices is dividing the task for items, ( Companies already have generally these generic payrolls, in format Excel ) for example
CIVIL ITEM-PIPING’S AND EQUIPMENT ITEM -ELECTRIC ITEM-INSTRUMENTATION And CONTROL ITEM - ITEM PRE-COMMISSIONER And COMMISSIONER
The specialists of every Part ( for small works we can make the task with a person with an ample turn-key Workers experience under construction ), they will divide each Item in Sub part and later on different items .See some Examples

A- ITEM CIVIL
A- 1 SUBTITLE BASE OF REINFORCED CONCRETE
A 1-1 CUTTING, FOLDED and ARMED OF IRON
A 1-2 CONSTRUCTION and ERECTING OF FORMWORK
A 1-3 FILLING OF CONCRETE
A 1-4 REMOVAL of FORMWORK and CLEANLINESS

B- ITEM PIPING’S And EQUIPMENTS
B 1 SUBTITLE AERY PIPING’S
B 1-1 CONSTRUCTION OF PIPING'S PREFABRICATED
B 1-2 TEST HYDRAULICS OF PIPING'S PREFABRICATED
B 1-3 PAINTING of PIPING'S PREFABICATED
B 1-4 MOUNTED PIPING'S PREFABICATED, SUPPORTS And STRETCHES OF ADJUSTMENT
B 1-5 TEST HYDRAULICS PIPING'S

C -ELECTRIC ITEM
C 1 SUBTITLE PIPE FITTER'S EXECUTION
C 1-1 EXCAVATION
C 1-2 MOUNTED OF PIPES
C 1-3 CONSTRUCTION And POOR CONCRETE FILLING
C 1-4 MOUNTED ,IDENTIFICATION and CONNECTING of CABLES

From now on, he will have to write down in the payroll the data of the computer science, the performances for unit of measurement ( affected for the characteristics of this work ), the cost of the hour ( including social loads ) and the cost of the material but wastes and transportation for unit of measurement, in order to have the cost of material and hours of work for unit of measurement for that Item ( everything in the payroll Excel )
For example

ITEM To 1-1 .Cutting and Mounted of Iron
.Quantity ( 5000 ) ... Unity ( KG )...Hours/Unity ( 0.20 ) ... $/Hours ( 20 ) ... $ Hours Unity ( 4.00 ) ... $ Materials/Unity ( 5.00 ) -- COST ( 9.00 )

The payroll the Excel is built once only and next it is used for all the works, adapting her to each work in particular.
Excel is not mistaken and besides it allows changing any I compute or cost rapidly
This or another payroll should be right now constructed at the Company and besides having right now placed the performances in Hours/Unity ( later on we will see that we have to apply a correcting factor to the performance of the staff according to the conditions in which works develop )
As to the serious commendable Hours price that the company Bookkeeper indicate it, since small variations can make one win or lose a job
The rest is task of the reviewers that should be very careful
In the next entrance we will see what's relevant to the need to do a preliminary plan of works, the estimate of the Financial Cost of the work and the evaluation of the Cost for Insurance service

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