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Showing posts with label tower foundation. Show all posts
Showing posts with label tower foundation. Show all posts

Wednesday, 16 November 2011

CW Milestones Part-5 – Concrete pouring of foundation pad and columns for tower (Greenfield Site)

Once the proper layout, excavation and lean concreting (CW Milestone Part -4) has been done, it comes now the time for steel fixing. The steel for pad/s and columns is then cut and bent according to bar bending schedule. In the meanwhile the size of foundation is marked over the lean layer. The steel for foundation is then fastened with the help of binding wires and placed over spacers to give specified cover in both horizontal and vertical directions. The main reinforcement for columns is also fastened which is extending from top right into the foundation re-bars. 

Workers tying steel ribs for foundation columns


Friday, 21 January 2011

Milestones of Construction Work On Network Rollout Turnkey Project

On a GSM (or any other Telecom) site there are some activities in which Civil Works team is either fully involved or at least participated (or represented) in the activity.  Those activities in which civil works is only represented is basically the one which have ownership with other departments. But due to some sort of support work or participation is required from civil works, so it has to spare its resources for those activities.

1.       Technical Site Survey (CW+SA+RF+Transmission) (Normally owned by Site Acquisition )
2.       Work Package Approval (Process is owned by Design Department or by CW if design is totally externalized/outsourced)
3.       Site Kick off (The process is owned by Site Acquisition, however this is the activity in which site location is handed over from Site Acquisition to Civil Works, so in order to rule out the waste of money time and resources and chances of not meeting the target, at some later stage, CW representative has to take necessary measure. He/She has to mark all area which will be included in Construction, has to clearly tell site owner if any destruction is required, estimated time of construction etc.etc. )
4.       Excavation + Layout + Lean concrete (Complete CW Activity)
5.       Concrete Pouring (Pad + Columns) (Complete CW Activity)
6.       Backfilling + Top slab concreting (Complete CW Activity)
7.       Boundary wall (Complete CW Activity)
8.       Tower Erection + Accessories installation (Complete CW Activity )
9.       Generator installation & commissioning (Complete CW Activity)
10.   AC Power Inspection (Power Meter+ ACDB+ Intake box) (Complete CW Activity)
11.   Shelter or Sunshade Installation and (if applicable) Guardroom Installation (Complete CW Activity)
12.   Declaring site RFI (Ready for Installation) (Complete CW Activity, The activity is important in a sense that normally time from Kickoff to RFI is an important KPI among other indicators. This is because during this time only civil works department can do work on site and  is considered one of the main bottle necks in such projects. Once the site is declared RFI other teams of project like Telecom Implementation, BSS, Care can also do their due work on site along with other minor civil works which are being carried out on site. )
13.   Finishing Works (Complete CW Activity)
14.   Red – Line/As – Built Drawings preparation (Complete CW Activity)
15.   Acceptance from Customer (The activity is owned by project as a whole)
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