KL1 15 HDD 3 Proposed
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Transcript of KL1 15 HDD 3 Proposed
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8/18/2019 KL1 15 HDD 3 Proposed
1/13
Broadgate Engineering (M) Sdn Bhd EPCC OF NGDS TO KUALA LUMPUR FL STAGE 1/15, KUALA LUMPUR
1.0 INTRODUCTION
1.1 BRIEF OF WORK
2.0 PROPOSED PILOTING RECORD
3.0 PROPOSED PILOTING PROFILE DATA
3.1 PROPOSED PIPELINE DATA/PROPERTIES
3.2 PROPOSED CURVATURE DATA
4.0 CALCULATIONS
4.1 MAXIMUM DEPTH FROM ENTRY TO HORIZONTAL PITCH
4.2 MINIMUM HORIZONTAL LENGTH FROM ENTRY TO HORIZONTAL PITCH
4.3 MAXIMUM DEPTH FROM HORIZONTAL PITCH TO EXIT
4.4 MINIMUM HORIZONTAL LENGTH FROM HORIZONTAL PITCH TO EXIT
5.0 CONCLUSION OF PROPOSED PILOTING PROFILE
6.0 ATTACHMENTS
- PROPOSED PROFILE DRAWING
- SITE DATA PILOTING PROFILE RECORD
TABLE OF CONTENT
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8/18/2019 KL1 15 HDD 3 Proposed
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Broadgate Engineering (M) Sdn Bhd EPCC OF NGDS TO KUALA LUMPUR FL STAGE 1/15, KUALA LUMPUR
1.0 INTRODUCTION
This document is submitted to Gas Malaysia Bhd (GMB) for reviewal and to obtain approval from
GMB to undertake the work of Horizontal Directional Drilling (HDD) for back-reaming and pipe-pulling
for the Gas Pipeline Construction at Kuala Lumpur FL Stage 1/15 (Sunway Velocity).
1.1 BRIEF OF WORK
The work involves the proposed HDD for NPS 8" steel feeder line CH 665.00 to CH821.00.
1.2 BRIEF OF SUBMISSION
This submission briefly outline the following:
i. Proposed Piloting Record
ii. Proposed Piloting Profile Data
iii. Proposed Curvature Data
iv. Calculationsv. Proposed Profile Drawing
The objective of this submission is to:
i. Obtain approval from GMB for back-reaming and pipe-pulling work based on the GMB
approved HDD piloting profile submission.
ii. Calculate and analyse the proposed Maximum Depth, Dmax1 and max2 and Minimum Horizontal
Length, L1 and 2 based on the proposed piloting profile and shall conform to GMB acceptance
criteria.
The acceptance criteria of the proposed piloting profile shall conform to the followings:
i. The proposed Maximum Depth, Dmax1 and max2 shall less than the GMB Maximum Depth,
Dmax1GMB and Max2GMB based on the GMB Minimum Bending Radius, RGMB.
ii. The proposed Minimum Horizontal Length, L1 and 2 shall more than the GMB Minimum
Horizontal Length, Lmin1GMB and min2GMB.
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Broadgate Engineering (M) Sdn Bhd EPCC OF NGDS TO KUALA LUMPUR FL STAGE 1/15, KUALA LUMPUR
2.0 PROPOSED PILOTING RECORD
ROD LENGTH 4.50 m ENTRY ANGLE = 11.00 %
ROD PITCH CURVATURE HORIZONTAL DEPTH FROM EXISTING PIPE DEPTH PIPE LEVEL DEPTH FROM
NO. LENGTH LENGTH ENTRY GROUND LEVEL FROM EGL FROM EGL EXIT
(%) (m) (m) (m) (m FROM MSL) (m) (m FROM MSL) (m)
0 11.00 4.50 0.00 0.00 38.45 0.00 38.45 1.00
1 11.00 4.50 4.47 0.49 39.63 1.67 37.96 1.49
2 10.00 9.00 8.95 0.94 39.61 2.10 37.51 1.94
3 9.00 13.50 13.43 1.34 39.61 2.50 37.11 2.34
4 8.00 18.00 17.92 1.70 39.61 2.86 36.75 2.70
5 7.00 22.50 22.41 2.02 39.63 3.19 36.44 3.01
6 6.00 27.00 26.90 2.28 39.64 3.47 36.17 3.28
7 5.00 31.50 31.39 2.51 39.65 3.71 35.94 3.51
8 4.00 36.00 35.89 2.69 39.66 3.90 35.76 3.69
9 3.00 40.50 40.39 2.82 39.66 4.03 35.63 3.82
10 2.00 45.00 44.89 2.91 39.65 4.11 35.54 3.91
11 1.00 49.50 49.39 2.96 39.65 4.16 35.49 3.96
12 0.00 54.00 53.89 2.96 39.65 4.15 35.49 3.96
13 0.00 58.50 58.39 2.96 39.64 4.15 35.49 3.96
14 0.00 63.00 62.89 2.96 39.63 4.14 35.49 3.96
15 0.00 67.50 67.39 2.96 39.62 4.12 35.49 3.96
16 0.00 72.00 71.89 2.96 39.60 4.11 35.49 3.96
17 0.00 76.50 76.39 2.96 39.58 4.09 35.49 3.96
18 0.00 81.00 80.89 2.96 39.57 4.07 35.49 3.96
19 0.00 85.50 85.39 2.96 39.56 4.07 35.49 3.96
20 0.00 90.00 89.89 2.96 39.64 4.15 35.49 3.96
21 0.00 94.50 94.39 2.96 39.73 4.23 35.49 3.96
22 0.00 99.00 98.89 2.96 39.80 4.31 35.49 3.96
23 0.00 103.50 103.39 2.96 39.91 4.42 35.49 3.96
24 -1.00 108.00 107.89 2.91 39.91 4.37 35.54 3.91
25 -2.00 112.50 112.39 2.82 40.02 4.39 35.63 3.8226 -3.00 117.00 116.88 2.69 40.06 4.30 35.76 3.69
27 -4.00 121.50 121.38 2.51 40.12 4.17 35.94 3.51
28 -5.00 126.00 125.87 2.28 40.17 4.00 36.17 3.28
29 -6.00 130.50 130.37 2.02 40.22 3.78 36.44 3.01
30 -7.00 135.00 134.86 1.70 40.27 3.52 36.75 2.70
31 -8.00 139.50 139.34 1.34 40.35 3.23 37.11 2.34
32 -9.00 144.00 143.82 0.94 40.42 2.91 37.51 1.94
33 -10.00 148.50 148.30 0.49 40.50 2.54 37.96 1.49
34 -11.00 153.00 152.77 0.00 40.57 2.12 38.45 1.00
35 -12.00 157.50 157.24 -0.53 39.45 0.47 38.98 0.47
Maximum depth: From entry (m) = 4.16 From exit (m) = 5.16
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Broadgate Engineering (M) Sdn Bhd EPCC OF NGDS TO KUALA LUMPUR FL STAGE 1/15, KUALA LUMPUR
ROD PITCH CURVATURE HORIZONTAL DEPTH FROM EXISTING DEPTH FROM PIPE LEVEL DEPTH FROM
NO. LENGTH LENGTH ENTRY GROUND LEVEL EGL FROM EGL EXIT
(%) (m) (m) (m) (m FROM MSL) (m) (m FROM MSL) (m)
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3.0 PROPOSED PILOTING PROFILE DATA
Min Bending Radius,R1 Min Bending Radius,R2
R1-Dmax1 R2-Dmax2
Entry Ground Level Ref Level2 Exit Point
α2Ref Level1 α1
Max Depth,Dmax1 Max Depth,Dmax2
α0
Horizontal Length,L1 Horizontal Horizontal Length,L2
Length,L0
Total Horizontal Length
3.1. PROPOSED PIPELINE DATA/PROPERTIES
Pipeline Material = Steel
Nominal Pipeline Size = 8"
Pipeline Wall Thickness = 7.90 mm
Pipeline Outer Diameter, Do = 219.1 mm
Pipeline Inner Diameter,Di = 203.3 mm
Pipeline Grade = Grade X-42
Pipeline Coating Type = 3 LPE
3.2 PROPOSED CURVATURE DATA
Horizontal Length,L1 = 49.39 m
Horizontal Length,L0 = 54.00 m
Horizontal Length,L2 = 53.86 m
Total Horizontal Length = 157.24 m
Entry Angle,α1 = 11.00 %
Exit Angle,α2 = -12.00 %
Entry Reference Level1 = 38.45 m
Entry Ground Level = 38.45 m
Maximum Depth,Dmax1 = 4.16 m
Exit Reference Level2 = 38.98 m
Exit Ground Level = 39.45 m
Maximum Depth,Dmax2 = 5.16 m
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4.0 CALCULATIONS
4.1 MAXIMUM DEPTH FROM ENTRY TO HORIZONTAL PITCH
Min Bending Radius,R1
R1-Dmax1
Entry Point Entry Reference Level1
α1 Ground Level
Maximum Depth,Dmax1
α0
Horizontal Length,L1
Minimum Bending Radius by GMB,RGMB = 1000 Do
RGMB = 219.10 m
Maximum Depth based on Minimum Bending Radius by GMB with Horizontal LengthL1 :Dmax1GMB
→ Horizontal Length,L1 = 49.39 m
→ RGMB = 219.10 m
Hence, R1 -Dmax1 = √(RGMB) - (L1)
= 213.46 m
Therefore, Dmax1GMB = RGMB - (R1 - Dmax1)
= 5.64 m
Proposed Maximum Depth,Dmax1 = 4.16 m
Since, Dmax1GMB > Dmax1, maximum depth proposed is ACCEPTABLE
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Broadgate Engineering (M) Sdn Bhd EPCC OF NGDS TO KUALA LUMPUR FL STAGE 1/15, KUALA LUMPUR
4.2 MINIMUM HORIZONTAL LENGTH FROM ENTRY TO HORIZONTAL PITCH
Min Bending Radius,R1
R1-Dmax1
Entry Point Entry Reference Level1
α1 Ground Level
Maximum Depth,Dmax1
α0
Horizontal Length,L1
Minimum Bending Radius by GMB,RGMB = 1000 Do
RGMB = 219.10 m
Minimum Horizontal Length on Minimum Bending Radius by GMB with Maximum Depth,Dmax1: Lmin1GMB
→ Maximum Depth,Dmax1 = 4.16 m
→ RGMB -Dmax1 = 214.94 m
Therefore, Lmin1GMB = √(RGMB)2 - (RGMB - Dmax1)
2
= 42.48 m
Proposed Horizontal Length,L1 = 49.39 m
Since, L1 > Lmin1GMB, horizontal length proposed is ACCEPTABLE
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Broadgate Engineering (M) Sdn Bhd EPCC OF NGDS TO KUALA LUMPUR FL STAGE 1/15, KUALA LUMPUR
4.3 MAXIMUM DEPTH FROM HORIZONTAL PITCH TO EXIT
Min Bending Radius,R2
R2-Dmax2
Entry Reference Level2 Exit Point
Ground Level α2
Max Depth,Dmax2
α0
Horizontal Length,L2
Minimum Bending Radius by GMB,RGMB = 1000 Do
RGMB = 219.10 m
Maximum Depth based on Minimum Bending Radius by GMB with Horizontal Length,L2 :DmaxGMB
→ Horizontal Length,L2 = 53.86 m
→ RGMB = 219.10 m
Hence, R2 -Dmax2 = √(RGMB) - (L2)
= 212.38 m
Therefore, Dmax2GMB = RGMB - (R2 - Dmax2)
= 6.72 m
Proposed Maximum Depth,Dmax2 = 5.16 m
Since, Dmax2GMB > Dmax2, maximum depth proposed is ACCEPTABLE
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4.4 MINIMUM HORIZONTAL LENGTH FROM HORIZONTAL PITCH TO EXIT
Min Bending Radius,R2
R2-Dmax2
Entry Reference Level2 Exit Point
Ground Level α2
Max Depth,Dmax2
α0
Horizontal Length,L2
Minimum Bending Radius by GMB,RGMB = 1000 Do
RGMB = 219.10 m
Minimum Horizontal Length on Minimum Bending Radius by GMB with Maximum Depth, Lmin2GMB
→ Maximum Depth,Dmax2 = 5.16 m
→ RGMB -Dmax2 = 213.94 m
Therefore, Lmin2GMB = √(RGMB) - (RGMB - Dmax2)
= 47.25 m
Proposed Horizontal Length, L2 = 53.86 m
Since, L2 > Lmin2GMB, horizontal length proposed is ACCEPTABLE
5.0 CONCLUSION OF PROPOSED PILOTING PROFILE
Based on the calculation, all acceptance criteria are met.
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6.0 ATTACHMENTS
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Broadgate Engineering (M) Sdn Bhd EPCC OF NGDS TO KUALA LUMPUR FL STAGE 1/15, KUALA LUMPUR
SITE DATA PILOTING PROFILE RECORD
Chainage :
Date :
ROD PITCH PIPE DEPTH UTILITY DEPTH
NO. FROM EGL FROM EGL REMARK
(%) (m) (m)
0
1 0.3m TNB Cable
2 0.5m Water Pipeline
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
2425
26
27
28
29
30
31
32
33
34
35
HDD Supervisor : BESB QC : GMB Rep :
Date : Date : Date :
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Broadgate Engineering (M) Sdn Bhd EPCC OF NGDS TO KUALA LUMPUR FL STAGE 1/15, KUALA LUMPUR
SITE DATA PILOTING PROFILE RECORD
Chainage :
Date :
ROD PITCH PIPE DEPTH UTILITY DEPTH
NO. FROM EGL FROM EGL REMARK
(%) (m) (m)
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
6061
62
63
64
65
66
67
68
69
70
HDD Supervisor : BESB QC : GMB Rep :
Date : Date : Date :
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