The document provides technical details for site foundation work including: 1. Identifying the site conditions and laying boundary pegs and safety signage. 2. Setting benchmarks for level consistency and transferring heights. 3. Excavating the site using excavators or rock blasting depending on soil conditions. 4. Preparing the lean and casting foundations with specified concrete ratios and curing. 5. Setting out rebar locations using a theodolite and installing rebar with proper spacing, lengths, and coverings. 6. Installing templates and anchor bolts at correct positions and levels. 7. Forming and concreting columns according to dimensions, plumb, and cover.

1. Site foundationwork
Site Kick Off day
The mainpurpose of this day isto identifyandconfirmthe site actual conditionwith the
customer’sparty.Afterthatconfirmation, contractorcantake to the necessaryactionto
arrange the boundary pegswithwarningtapes alongleasareaaccordingto the confirmedsite
layoutdrawings. Andalsoshoulddisplaythe safetysingboardsonthe sites.
 BenchMark
Benchmark generallydecidesonsite withboth partiesagreement,at onthe permanent
place.The mainpropose of benchmarkarrangement istomaintainthe site level
constancy until complete the task,andalsoaccordingto thisbenchmark level
contractor couldbe transferthe levelsondifferenceheights.
Please referbelowphotos
Boundary line Benchmark
Profile setting out withTL machine Safety sing boards

2. FoundationExcavation
General
Normal Soils foundations shall be excavated with excavator machines in suitable for cutting
soils and soft rocks such as shale, friable sandstone and limestone.
Site excavationstechnical methodscanbe differentbythe soilsconditions.
 Normal soils, softrockssuchas shale,friable sandstoneandlimestone shall be excavate
usingbyexcavatormachine.(excavationdepthneedreferwithBenchmark)
Rock blasting

3. BellowTechnical methodcan be used for compromise the soil erosion
and soil collapse
Retainingwalls
Coveredbank area

4. Brick retainingwall

5. Lean Preparation Casting
General
Afterexcavationworkcompletesite nextmilestone isleanconcrete,beforeleanconcrete everyworkers
shouldfollow below mentiontechnical methods.
1. ExcavationpitDimensionandDesigndetail drawingdimensionare equal.
2. Excavationdepthcheckwithsite benchmark
3. Excavationpitbedcompactionandstability
4. Lean concrete thickenscheckwithformworkheight.
Concrete ratiofor the lean casting1:3:6 (G20)
Necessaryarrangementduringthe leancastingtime
Needto test PH valueof water,Slump test,Testcubes, Rawmaterials qualityandrequirement
availability.
Aftercomplete thelean casting works.lean should be level and smooth.
Lean bed compaction using by compactor Lean casting

6. Rebar Setting Out
General
The main purpose of this technical method used to identify the correct locations in column centers and as well as
baseconcrete area.This setting out proceed by theodolite.
Rebar setting
Rebar Work
General
This re bar cutting and bending work process proceed in relativefabrication complex.After complete the cutting
and bending works warehouse management will distributes the rebar bundles respective site.
Duringthe rebar time, contractor should followbelowtechnical methods
1. Used to correct rebar diameter and length dimension accordingto the design drawing
2. Maintain the correct spacingin between the re bars

7. 3. Maintain the mirror image
4. Maintain the correct lap length
5. Maintain the rebar clean from the rust
6. Maintain the correct covering
7. Maintain the correct heights of stools and quantities
 Rebar installation
Chemical anchoring

8. Above technical method mainly used for re arrangethe re bar on existingconcert or heard rock.
Concreting of Foundations
Afterrebarand formworkscomplete site nextmilestone isbase concrete,before base concrete every
workershouldfollow belowmentiontechnical methods.

9. 1. DimensiontallywithDesigndetaildrawing.
2. Concrete thickenscheckwithformworkheight.
Concertratio dependinonstructural engineer’sspecification
Necessaryarrangementduringthe leancastingtime
Needto test PH valueof water,Slump test,Testcubes, Rawmaterials qualityandrequirement
availability.
Aftercomplete thebase casting works.baseshould belevel and smooth.Withoutany honeycomb,
curingshouldbe followasperthe specification(BritishStanderscodes)
Templates and Anchor Bolts Leveling
The mainlyexceptthistemplelevelingwork,toarrange the anchor boltsincorrect position,below
mentiontechnical requirementsformaintainthe duringwork

10. 1. temple shouldfixwithcorrectmembers
2. template plate shouldbe positioninginequal level
3. All L Angelashouldsupportproperly
4. Anchorbolttop surface shouldlocate inequal level accordingtosite benchmark
5. All anchorbolts X and Y directionshouldvertical
6. Maintainthe columnsurface and anchorbolt heightaccordingto the towerspecificationdetails
Columns formwork and concreting

11. Aftertemplate workcomplete site nextmilestone iscolumnconcrete andformworks,beforecolumn
concrete everyworkershould follow below mentiontechnicalmethods.
1. Columndimensioncheckwithdetaildesigndrawing
2. Columnplumbandlevel
3. Formworkstrengthandstabilityforthe work
4. Necessarypropsandsupportsforthe columnformworks
5. Columncentertocenterdistance
6. Coveringbetweencolumnshutterworksandrebar
Concertratio dependinonstructural engineer’sspecification
Necessaryarrangementduringthe leancastingtime
Needto test PH valueof water,Slump test,Testcubes, Rawmaterials qualityandrequirement
availability.
Aftercomplete thecolumn casting works.column should belevel and smooth,withoutanyhoneycomb,
curingshouldbe followasperthe specification(BritishStanderscodes)

12. Backfilling
The backfill shall be placedinlayersnotexceeding200 mm thickand thoroughlycompactedusing
approvedcompactionequipment.

13. The finishedsurface of backfill shall be leftsmoothandshapedtocreate a watershedfromthe columns
area.
Equipment And DG slabcasting

14. Aftersite backfillingcompleteuptothe existinggroundlevel shallbe startthe equipmentandDG slab
concretingwork.Needtomaintainrequiredheightof slabsurface finishingusingbyBenchmark.
Testing inSite
 Water PH value testing

15.  Sumptest
 Cube casting
Test reports

16. Rebartest report
Tower Erection

17. Towererectionisthe secondmainpart of the project.Before startthe towererectionbelow mention
itemshouldbe concern
1. Towercollectingatthe warehouse –closely checkprovidedmembersandpackinglistare same
2. Transport - material transportbyverycarefullywithoutanydamages
3. Towermaterial onsite -members,nutsandbolts,washersandectsortingbysectionwise
4. Base plate placing– maintainthe gap betweencolumnsurface baseplate bottom(50mm-
70mm), base plate shouldplace oncorrectwasher, and all base plate shouldbe equal level.
5. Needtoarrange temporarygrounding
TowerBody erection

18. Tower nuts and bolts tighten shall be fix as per the bellow required Nm

19. Bolt type Nm
M12 Min27-Max30
M16 Min68-Max75
M20 Min132-Max147
M24 Min228-Max253
Lightingarrestand Aviationlampsfixing

20.  Life line anchorfixingcorrectly

21. Tower vertical check
Towervertical shall be checkusing theodolite andmaximumtoleranceneedtoH/400
Mm .Here H istowerheight.Shouldbe used2perpendicularfaces.
Usingtower2 legsdistance andneedtofindthe centerpoint.Afterthat theodoliteneedto
level andcoincide tothe centerpointandneedtotake offsetfix the woodenpegtomarkthe
alignpoint, requireddistance forthe checktowertop.Thenremove the theodolite andagain
needtolevel andcoincide newpeglocationsandneedalignprevioustower2 legscenterpoint
itsok needtofocusesbottom1st
cross plate centerpointsandneedtotake telescope until to
centerpoints checkingthe deviation.Whenreachthe towertop centerpointif have deviation
needtotheodolite crosscenterpointcoincide tothe towertopcenter usingHorizontal fine
screw . Againneedtocheck tower2 legscenterpointandneedto keepthe measuringtape
parallel centerpointandshall be readthe real deviationsandneedcheckopposite sitecenter
pointsalso.Usingcalculationsshall be identifyingthe towerdeviation. Abovestepsneedto
followremainperpendicularside also. If have detention inlimitationsokandnot needtoadjust
towerbase plate level untilverticallyok
Towergroutingwithconstructiongrout

22. Tower Grounding
Towergroundingworkisthe mainpart of the site safety.
Belowtechnical methodsfollowforproceedswork
1. Maintainthe minimumdistance betweencopperrod(4.5m)
2. Downconductor alwayslocate inopposite sideof the equipment
3. all connectionjointsshouldbe properlytighten
4. busbar(ECB) connectionnutsshouldbe non-corrodedironmade
5. A separate groundingnetworksshouldnotacross eachand others
6. Earth resistance shouldbe lessthan5 ohm

24. Fence Work
After compete tower erections and earthing work shall be start the fencing work to protect in site
area
 Fence setting out shall be arranged the following provided details drawing and need to
take fence beam finishing level using the bench mark.
 Fence Lean casting – need to follow provide drawing lean thickness.

26. Site Access road
Site accessroad shall be buildwhendifficultto enteringtothe site.Needtofollowthe detailsin
providingdetailsdrawingforthe accessroad.
 Bridge accessRoad

27. Site FATWork
Aftersite PATworkcomplete shall be arrange the FATinspections
 Completedsite

28. PAT and FAT accepted document