QUANTITY SURVEYING
BOQ
BOQ is aocument
use in tendering In the construction industry in which
material,parts&labour are itemized.
Advantage
of boq
1 we can get
the details of the work
2 it can be use
evaluate & compare
3 transparancy
4 it will help
in planning to the project
Preliminaries
Preliminaries
may appeor in tender document, providing & description of a project that
almos the contractor to asses cost which, whilist they do not from a part of
any of the package of works required by the contract are required by the method
&circumances of the work.
A
PROVITIONAL SUM
A provitional
sum is an allowance usually estimated by a cost consultant, that is inserted
into tender document for a specific element of the work that is not yet defined
in enough detail for tenders to accurately price
A
PRIME COST SUM
A prime cost
sum is allowance, usually calculated by the cost consultant for the supply of
work material to be provide by a contractors to suppler that will be nominated
by the client.
TENDERING
Tendering
usually refer to the prcess where by government & financial institution
invites bid for large project that must
be submitted within a finite deadline the term also refer to the process
whereby shareholders submit their shaers or securities response to a takeover
offer.
Tender
evaluation
Tender
evaluation is a process that select the lowest suitable bidder to the
construction project in correct manner.
Pre
bid meeting
Pre bid meeting
are gathering shedules after an invitation to bids or request for proposals is
advertised.they are called pre meeting because they are pertinent to
procurement of goods ,non consultantservise& works
Fluctuation
Fluctuation is
a change or variation in a quantity over time.
Subcontractor
A ferm or
person that carries out work for a company as part of a larger project.
Procurement
Procurement is
process of finding &agreeing to
terms & acquiring goods, service or work from an external source of a
tendering or competitive biddibg process.
Bonds
in construction industry
1
bid
bond 2 performance bond 3 mobilization advance
bond
Documents
of including in to tender
1
invitation
to bid 2 bidding data
3 BOQ 4 form of tender
5 specification
& drawings
Value
management &value engineering
Value
management &value engineering are techniques concerned with defining ,
maximizing &acheiving a value for money value management provide an
exceptionally powerful tool to explore a project’s objectives & aspiration
from the client’s perspective.
Variation
A variation is
an alternation to the scope of work in a
construction contract in a form of an addition , substitution amissing from the
original scope of work.
Bid
security
A bi security
is an amount of money that may be calculate as a percentage of the budget
estimate of a procurement requirement or a percentage of a bider’s bid price it
gives the client some assurance that the selected bidder sign the contract or
other wiseforfit their bid security.
Interim
certificates
Interim
certificate provide a mechanisumfor the client to make payments to the
contractor before the work are complte.
Methods
of measurement
1
direct
method
2 indirect
method
3 comparative
method
4 contract
method
5 deflection
method
Preamble
Preamble is an
explanation of a documents commonly found in contracts, specification &
bill of quantities. It can help with the interpretation of the document. A
preamble might include a description of the parties to the contract.
Overhead
Overhea
expenses are all cost on the income statement except for direct labour, direct
materials & direct expenses. Overhead expenses include accounting fees,
advertising, insurance, interest,legalfees,labour burden, rent &ect.
Day
work in construction
Day work is a
mean by which a contractor is paid for specially instructed work on the basis
of the cost of labour, materials & plant a mark up for overhead &
profit. It is generally use when work cannot be price in the normal way.
Interim certificate
provide a mechanism for
the client to make payments to the contractors before the work are complete
Retention
is the percentage of the
amount certified as due to the contractor on an interim certificate. that is
deducted from the amount due and retained by the client the purpose of
retention is to ensure that the contractor properly completes the activities
required of them under the contract
Limit of retention
5% of initial contract some. release 2.5 % of
completion bill.
Material at site there are currently used
available raw materials required for construction in the site that are called
materials at site.80% of material at site include interim bill.
Defect liability period is a set of period of
time after a construction project has been completed during which a contractor
has the right to return to the site to remedy defects
The mobilization advance
is a monetary payment by
the client to the contractor for initial expenditure in respect of site
mobilization and fair proportion of job overheads preliminaries. mobilization
advance payment reduces contractor need for working capital.
Contingency some
is an amount of money,
usually expressed as a percentage, included in the project budget to allow for
unknown or unsolved aspect of a design. it's usually for the initial allowance
to be much as to 25% to 30%
extra over
is term that is often
used when taking off from a bill of quantities when taking off for a BOQ, the
term "extra over"can be used to refer to items that to a certain
extent have already been measured, but have not been priced at the full value
of all their labour and material.
additional work
situation where a
contractor performs additional work under a construction contract occur often
in practice.A contractor includes a contract for construction with a customer,
the term of which establishe that he will receive a fixed sum in return for the
completion of certain amount of work
extra work
is something that is done
in addition to the requirement of the Contract.A contractor is generally
entitled to change for extra work the consists of labour material not
contemplated by or subsumed within the original contract
SLS 573 SMMS
SLS 573-Sri Lanakan
standards
SMM 3-Civil engineering
works (roads & other works) few items large quantities.
All in plant rate,
A rate which includes the
cost originating from the ownership or hire of plant together with operating
cost.
Head office over heads
recovery of contractors
head office over heads, one of the less understood elements in construction
damage.claim is the head office overhead that in incurred when a project is
delayed . however it is compensable and there is no doubt that head office
overhead is an entitled expense of the contract
Lump sum contract is the traditional means
of procuring construction, and still the most common form of construction
contracts. under a lump sum contract, a single lump sum price for all the work
is agreed before the works begin.
* involves a total fixed priced for all construction related
activities.
* can include incentives of benefit for early termination
damages, for a late termination
Measure & pay contract,
this contract format is
generally used for construction works contract rather than services contracts.
during the construction period,the actual quantity of work executed under each
BOQ items will be jointly measured and valued at the
quated rate for interim payment purpose.
*After remeasure valued
at the quated rate for evaluate the final account
Work method statement
is a document that
details the way a work task or process is to be completed.the method statement
should outline the hazards involved and include a step-by-step guide on how to
do the job safely.
Down time-period during which an
equipment or machine is not functional or cannot work. it may be due to
technical failure machine adjustment, maintenance or non availability of input
such as materials, labour,power.
Attendance
is the contractors markup
for specific service it has to provide for individual suppliers or
subcontractor. this might include items such as material handling, scaffolding
and rubbish clearance
the approximate estimate
is done in order to find
out an approximate cost in very short time before starting the project the
estimate is made before selecting the final specification and design of the
project.this method is also known as preliminary or rough estimate
Site visit process
and schedule the purpose
of the site visit evaluation is to obtain in depth information concerning all
administrative and educational aspect of the program
Trade discount is one that is allowed
by the wholesaler to the retailer, calculated on the list price of the product
extension of time construction contracts
generally allow the construction period to be extended where there is a delay
that is not the contractor's fault. this is described as an extension of time
A bid bond is debt Secured by a
bidder for a construction job, or similar type of bid based selection process,
for the process of providing a guarantee to the project owner that the Builder
will take on the job if selected
A performance bond is commonly used in the
construction industry as a means of insuring a client against the risk of a
contractor failing to fulfill contractual obligations to the client.
performance Bond can also be required from other parties to a construction
contract
Markup-Somewhere along the line,people started believing that a 10%
overhead & 10% profit is the industry started for construction jobs.or that
a 20% markup is all a contractor needs.
contract is a legal binding
agreement between two or more parties.
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