CW Implementation
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Transcript of CW Implementation
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Implementation Procedures
CW Implementation (North)
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Steps of Construction
Work Package Received
Site Kick off
Excavation
Lean concrete
Steel fixing
Concrete Pouring
Backfilling
Tower Erection
Diesel Generator Inspection
AC Power Inspection
Shelter Installation
Guardroom Inspection
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Work Package Received:
WP should be approved by TP Design .
Thorough study of WP before CW kickoff
SITE KICK OFF:This is the first and most important step for the BTS
site construction.
Following Points are observed.
Coordinates matched with SAR.
Demarcation and layout of area in front of owner.
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Excavation
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Lean Concrete
Function of Lean concrete to provide a plane and level plate formand its the base of whole structure.
Steel Fixing
It should be of specified Grade.
It should be free from rust
Concrete Pouring
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Material for Concreting
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Fixation of Steel for Raft
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Concrete Pouring in Progress
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POURING OF PEDESTAL COLUMNS
Pouring for columns
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After Column Pouring
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Back Filling & Compection
Back filling is very important, if its not done
properly it can cause settlement.
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Top slab steel fixing and pouring
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Top Equipment Slab
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TOWER INSPECTION:
Torque check to be done for all bolts both for maximum andminimum torques.
All braces and joint plates should be properly seated there shouldnot be any gap b/w two overlaying members.
Galvanization should be up to standards.
Fall arrestor should be properly installed.
There should be no rust on tower components.
At least two threads of each anchor bolt should be exposed.
No extra holes be present in tower main legs or braces.
Lightning arrestor should be installed on the opposite side of BTS.
ACWL should be installed and commissioned.
Climbing ladder and rest platform installed and secured properly. No member/bolts should be missing.
All four legs of the tower should be connected to the earthing ringburied underneath.
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Tower Parts on Site for Erection
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Tower Erection in progress
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Tower erection complete
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Shelter installed at site
Generator & Fuel tank
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Generator & Fuel tankInstallation/Inspection:
DG set must be of required rating.
Vibration dampers rubber pads should be provided undergenset body.
The exhaust of generator should not be interfering andpointing outward not toward the equipment.
Check for any fuel, water or oil leakage inside.
DG set must be grounded both internally and externally. DG set counters (hour meter, frequency meter, voltmeter
and oil pressure gauge )
Fuel alarm cable should be connected.
Cables arrangement should be proper inside the canopy.
No evidence of leakage and corrosion in any part of fueltank.
Fuel tank gauge should be serviceable.
Check the cycle of transfer from main power source toemergency.
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Generator and fuel tank at site
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Guard room
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Earthing
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Fencing
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BOUNDARY WALL UNDER CONSTRUCTION
Boundary wall in progress
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Main Gate
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THE END