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Construction
Project Cycle
Engr. Delfin B ViloriaProject Engineer III
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Construction Stage
Yes
No
Yes
No
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CONSTRUCTION STAE
Yes
No
UCT! Control of "or#
! Control of $aterials
! Docu%entation
! Billings & Pa'%ents
! Ot(er $anage%ent Control
CONST
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CO$P)ETION STAE
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*lo+ C(art of Variation Or,er Processing
START
Contractor-s "ritten Co%%unication of Clai%
giving full and detailed particulars of any change
Investigation by Project Engineer
on the authenticity & need for
variation order
Secure PreClearance fro% Regional
Director/District Engineer
on Request for Variation Order
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Preparation of proposedVariation Order
by the Project Engineer with complete
documents
Submission of Proposed
Variation Order
to Regional Director/District
Engineer for approval
Con,uct ont(es0ot in1estigation an,
0re0aration of re0ort of 1erification
by the technical staff of RO/DEO
*lo+ C(art of Variation Or,er Processing
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Review of Estimated
Quantities and Costs
pproval of Variation
Order
END
Processing ofProposed Variation
Order
*lo+ C(art of Variation Or,er Processing
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Suggested Inspection
!re"uencies*RE2UENCY INSPECTION ACTIVITIES
ONE TI$E
Check Contractors equipment upon mobiliation!
"nspect materials at suppliers facilities for source
approval!
"nspect laboratory and testing facilities for approval prior
to
use!
Check initial layout# closing error and survey!
"nspect centerline survey and stakeout!
Revie$ office and recording procedures of Contractor!
%inal Check on pavement surface for te&ture and ride '
markings!
%inal check on finish stuctures!
%inal check on drainage!
%inal acceptance checks on utility# lightning and signing!
%inal measurement of $ork for payment!
Check erection plans# false$ork plans and shop dra$ings!
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Suggested Inspection
!re"uencies*RE2UENCY INSPECTION ACTIVITIES3CRITICA)
POINT
"nspect sub(grade# sub(base and base before placing the
ne&t structured layer!
"nspects forms# false$ork and reinforcement before
placing concrete!
Check bearing surface before placing foundations!
Check all materials to be covered before backfill
operations!
Check e&cavations before placing sod for compliance $ith
plan and adequate drainage!
"nspect other miscellaneous critical points in specialied
situations!
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Suggested Inspection
!re"uencies*RE2UENCY INSPECTION ACTIVITIESSPOT C4EC5 Check
construction layout and elevations!
"nspect fill material aggregates and stockpile forcontamination
and proper handling!
"spect stockpiles of other materials )such as pipes and
reinforcing steel* for damage!
"nspect backfilling and embankment operations for
compliance $ith specifications! "nspect drainage structures#
manholes# catch basins# pipe
laying and other minorstructures for proper materials#
conformance $ith plans and damage!
"nspect sub(base for line# level# moisture content and
compaction! Check for all required test and samples!
Check safety requirements# traffic control# false$ork#
shoring of e&cavations# scaffolding#etc!
"nspect conrete during curing!
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Suggested Inspection
!re"uencies*RE2UENCY INSPECTION ACTIVITIESCONTINUOUS +tructural
concrete production!
,ile driving operations!
,lacing of structural concrete!
One Ti%e
Critical Point
S0ot C(ec#
*re6uenc'
Continuous
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#$an% youEngr. Delfin B Viloria
Project Engineer III
