NRP K216 PROJECT - Civil Works & UG Piping As on Date: 10-Mar-2020

SUMMARY OF OPEN NCR's & SR's STATUS

Area / Expected Date of Corrective Action

Sl No. NCR/ SR No. Description of NCR Catogary Date of Issue Unit Dicipl. Status Disposition / Corrective Action Required Correctivie Action Status
Location Closure Responsible Person

During surveillance on various area at K216 Unit 78 underground works of the following are observed:
CASE No. 1- Improper backfilling at GRE Westside of 78-B-22c Workshop building (Two layers remain until road level)
CASE No. 2- Improper backfilling at GRE Eastside of 78-B-22e Workshop building (Bottom of pipe up to pipe)
CASE No. 3- Massive backfilling at GRUP Southwest of 78-B-27 Workshop building (Bottom of pipe up to road level)
CASE No. 4- Massive backfilling at GRUP Southside of 78-B-28 Chemical Warehouse building (Bottom of pipe up to road
level). Mass backfilling to be removed & Re- Main Access - Area clearance
1 K216-NCR-19-025 Alghanim failed to follow the layer backfilling and FDT as per mentioned in our project specification & procedure. NCR 14-May-19 Unit-78 U-78 Civil Open backfilled as per project spec. & required for excavation & re- 16-Feb-20 Eng. Ihab
Alghanim violated the backfilling and compaction P4049N-000DD00-VAR-0002, PIP CVS 02100, 4.37.5 & Backfill procedure. backfilling.
Compacted Fill Thickness Concession No. 55BZOR-WR-DD-0302.
See attached photos, drawing & Specification.

During site surveillance at West side and North side of CCR/OTS Building 78-B-31 K216 Unit 78 area, improper compaction
was observed. Sub-contractor is doing water compaction on the side area.
As per PIP CVS02100 Site Preparation, Excavation and backfill Specification 4.3.7 Filling and Backfilling-4.3.7.7
Mass backfilling to be removed & Re-
“Compaction by water jetting or flooding shall not be permitted. Case-1 CA completed & Case-2 CA
2 K216-NCR-19-030 Also, as per PIP CVS02100 Site Preparation, Excavation and backfill Specification 4.3.7 Filling and Backfilling-4.3.7.7
NCR 19-Jun-19 Unit-78 U-78 Civil Open backfilled as per project spec. &
ongoing.
20-Feb-20 Eng. Ihab
procedure.
“Compaction shall be performed with equipment compatible with soil type”.
See attached: Photos, Drawing & Specification.

Mass backfiilling done at around manholes MH-SC-78-2-141, RB-SS-78-1-211, RB-SS-78-1-212,RB-SS-78-1-202,MH-WW- Mass backfilling to be removed & Re-
7 K216-NCR-20-001 78-1-046 Pipe line 200-78ss00-8500-175201N, 200-78SS00-8489-17520-N Duct bank DB-S-26 at unit-78 ,west side of NCR 18-Jan-20 Unit-78 U-78 Civil Open backfilled as per project spec. & CA Not yet Started 18-Feb-20 Eng. Ihab
building 78-B-03 procedure.

Backfilling across the trench east of administration building parking garage for temporary access not done according to
specification (layer/lift thickness, proper compaction and not tested). Which is a violation of P4049N-000-DD00-VAR-0002, Unit-78 Mass backfilling & not tested area to be
1 K216-SR-19-031 PIP CVS 02100, 4.3.7.5 AND Compacted fill thickness concession No. 55RZOR-WR-DD-0302. SR 2-Jul-19 Trench U-78 Civil Open removed and re-backfilled as per CA not yet started 13-Feb-20 Eng. Ihab
backfilling project specification.

Manhole backfilled without Protective Surface Coating. (MH-SS-78-03-010)

Coating of Concrete Surfaces
Surfaces Exposed to Soil.
A waterproof barrier, to prevent direct contact between the concrete surface and surrounding soil, shall be applied to all South of 78- Temporarily backfilled soil to be removed &
2 K216-SR-19-033 concrete surfaces exposed to the soil.
SR 4-Jul-19
B-27
U-78 Civil Open Leak test ,bitumen coating shall be done
Ongoing 29-Jan-20 Eng. Ihab
Coating shall be a bitumen based waterproofing sealer, subject to Company's approval.
The coating shall be applied in three layers to a total dry film thickness of 1500 microns.
Surface preparation and coating application shall be in accordance with the manufacturer’s instructions.

At Administration Buidlng East side 78-B-001, UG piping trench for tine 150-78SS00-175201-N
Mass backfilling & not tested area to be
During site surveillance, It was observed that Al Ghanim had done mass backfilling of trench( not done layer by layer, not East side 78-
3 K216-SR-19-035 properly compacted and not tested, FOT) which Is a violation of the project specification and procedure P4049N-O00-
SR 13-Jul-19
B-001
U-78 Civil Open removed and re-backfilled as per project CA not yet started 18-Feb-20 Eng. Ihab
specification.
DD00· VAR-0002 & PIP CVS 02100, 4.3.7.5 and Compacted FIii Thickness Concession No. 55RZOR· WR-DD-0302.

At Laboratory Building North East side 78-B-26, Cable trench of Drawing P055BZOR-78-64-1-K220 Rev C
Mass backfilling & not tested area to be
During site surveillance, It was observed that Al Ghanlm had done mass backfilling of trench( not done layer by layer, not NE of 78-B-
4 K216-SR-19-036 properly compacted and not tested, FDT) which Is a violation of the project specification and procedure P4049N-O00-DD00-
SR 13-Jul-19
26 lab.bldg.
U-78 Civil Open removed and re-backfilled as per project CA not yet started 20-Feb-20 Eng. Ihab
specification.
VAR-0002 & PIP CVS 02100, 4.3.7.5 and Compacted Fill Thickness Concession No. 55RZOR-WR-DD-0302.

At the east of 78-B-31 CR buildg.duct bank No. 78DBS2-032 found damaged. See attached photos and highlighted Unit-78 Duct Damage area shall be rectified as per
5 K216-SR-19-040 drawings. Note: Ensure cables to be protected during repair work.
SR 15-Aug-19
Bank
U-78 Civil Open approved method statement & material.
CA not yet started 15-Feb-20 Eng. Ihab

Backfilling of Pipe Trenches done not as per required lift thickness. At Unit-78 ,North & South side of building 78-B-03(Main
gate / security Building) it was observed that from the bottom of pipe of, 1. Line 200-78SC00-5321-175202N-Backfilling
done not accrding to required lift thickness.2.Line 250-78SS00-8490-175201N-Backfilling done not according to required lift Unit-78 North Mass backfilling to be removed & Re-
9 K216-SR-20-001 thickness.3.Line 300-78SC00-5320-175202N (Between MH-SC-78-2-136 & MH-SC-78-2-114) -excavated materials from
SR 16-Jan-20
& South
U-78 Civil Open backfilled as per project spec. & procedure.
CA not yet started 20-Feb-20 Eng. Ihab
the adjacent trench were just thrown in above the pipe line without leveling and doing the proper compaction. As per spec &
procedure , lifty thickness shall not exceed 150mm

For rectification to follow Approved

1 PIU-SR-284 RC pipe not flushing inside the manholes as per IFC drawing SR 9-Aug-18 Unit 78 U-78 Civil Open shop drawing V-P055BZOR-DI-00- CA not yet start 19-Feb-20 Eng. Ihab
K216-19-0000000-01585

For rectification to follow Approved

2 RAN-SR-294 RC pipe not flushing inside the manholes as per IFC drawing MH-101,102&105 SR 15-Aug-18 Unit-78 U-78 Civil Open shop drawing V-P055BZOR-DI-00- CA not yet start 19-Feb-20 Eng. Ihab
K216-19-0000000-01585

Temp. Mass backfilling to be removed

and Re-backfilling to be done as per
7 MUB-SR-543 Mass backfilling performed for the UG pipeline SR 20-May-19 Unit-78 U-78 Civil Open
project spec & procedure. (Disposition
CA not yet start 22-Feb-20 Eng. Ihab
to be Submit)

Improper material shall be removed

12 walkthrough Improper material and compaction for backfilling of the underground pipe shall be corrected. Walkthrough 11-Jun-19 Unit-78 U-78 Civil Open and re-backfilled with approved 29-Feb-20 Eng. Ihab
material with proper compaction.

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