Method Statement - D200 Expressway Crossing by HDD and Pipe Ramming - English

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HCM-LT-DG express way drilling - construction methodology

Text of Method Statement - D200 Expressway Crossing by HDD and Pipe Ramming - English

  • METHOD STATEMENT

    D200 PIPELINE EXPRESSWAY CROSSING

    BY HDD AND PIPE RAMMING TECHNIQUE

    *************

    LOCATION: HCMC DAU GIAY EXPRESSWAY

    DOCUMENT NO.: DTS HDD.07/15

    A 10/04/15 Issued for Approval

    REV DATE DESCRIPTION BY CHECK APPROVED CLIENT CA

    This document and information contained in it is the sole property of DTS and may not be exploited, used, copied duplicated or reproduced in

    any form or medium whatever without the prior permission of DTS.

  • METHOD STATEMENT D200 STEEL PIPE EXPRESSWAY CROSSING

    BY HDD AND PIPE RAMMING TECHNIQUE

    Prepared by: Deltatech Technical Services JSC Page 2

    INDEX

    CHAPTER I - GENERAL I.1. Responsibility ............................................................................................... page 05

    I.2. Project description ........................................................................................ page 05

    I.3. Project scope of work ................................................................................... page 06

    CHAPTER II - METHODOLOGIES

    II.1. WORK ANALYSIS .................................................................................... page 07

    II.1.1. Site survey and considerations ................................................................ page 07

    II.1.2. Potential problem and solution ................................................................. page 08

    II.2. PREPARATION.......................................................................................... page 10

    II.2.1. Equipment, tools, material and consumables ........................................... page 10

    II.2.2. Site organization ....................................................................................... page 11

    II.2.2.1. Organization chart ................................................................................. page 11

    II.2.2.2. Personnels job description ................................................................... page 12 II.3. HORIZONTAL DIRECTIONAL DRILLING (HDD) ............................... page 15

    II.3.1. Pilot drilling .............................................................................................. page 15

    II.3.2. Drill path and drilled hole size ................................................................. page 16

    II.3.3. Drilling fluid ............................................................................................. page 17

    II.3.3.1. Drilling fluid function ........................................................................... page 17

    II.3.3.2. Mixing procedure .................................................................................. page 17

    II.3.3.3. Original ...................................................................................................page 17

    II.4. PIPE RAMMING ........................................................................................ page 17

    II.4.1. Setting up .................................................................................................. page 17

    II.4.2. Pipe ramming technique ........................................................................... page 18

    II.4.3. Main parts and functions of pipe ramming hammer system .................... page 21

    II.4.3.1. Main parts .............................................................................................. page 21

    II.4.3.2. Main functions ....................................................................................... page 22

    II.4.3.3. Soil cleaning .......................................................................................... page 23

    II.4.3.4. Pneumatic pipe ramming hammer structure .......................................... page 24

    II.4.3.5. Pipe ramming hammer selection ........................................................... page 24

    II.4.3.6. Requirement for steel product pipe ....................................................... page 25

    II.4.3.6.1. Pipe outside cleaning .......................................................................... page 25

    II.4.3.6.2. Wall thickness .................................................................................... page 25

    II.5. EARTH/FOUNDATION WORK FOR DRILLING EQUIPMENT .......... page 26

    II.5.1. Earth work in flat ground ......................................................................... page 26

    II.5.2. Earth/foundation work in road shoulder ................................................... page 26

    II.6. OVERCOMING ACTIONS WHEN DRILLING/RAMMING PROBLEMpage27

    CHAPTER III - WORK PLAN

    III.1. SUGGESTED ACTIVITIES ..................................................................... page 28

    Crossing No.1 Km0+100, Pk4-ITS008-G-111-D: 44m ...................................... page 28

    Crossing No.2 Km0+140, Pk4-ITS008-G-111-D: 45m ...................................... page 29

    Crossing No.3 Km0+720, Pk4-ITS008-G-112-D: 18m ...................................... page 30

    Crossing No.4 Km4+000, Pk4-ITS008-G-117-D: 33m ...................................... page 31

    Crossing No.5 Km6+150, Pk4-ITS008-G-121-D: 19m ...................................... page 32

  • METHOD STATEMENT D200 STEEL PIPE EXPRESSWAY CROSSING

    BY HDD AND PIPE RAMMING TECHNIQUE

    Prepared by: Deltatech Technical Services JSC Page 3

    Crossing No.6 Km10+920, Pk4-ITS008-G-128-D: 22m .................................... page 33

    Crossing No.7 Km11+400, Pk4-ITS008-G-129-D: 30m .................................... page 34

    Crossing No.8 Km14+500, Pk4-ITS008-G-211-D: 22m .................................... page 35

    Crossing No.9 Km22+380, Pk4-ITS008-G-222-D: 19m .................................... page 36

    Crossing No.10 Km22+720, Pk4-ITS008-G-223-D: 16m .................................. page 37

    Crossing No.11 Km22+800, Pk4-ITS008-G-223-D: 20m .................................. page 38

    Crossing No.12 Km23+230, Pk4-ITS008-G-224-D: 47m .................................. page 39

    Crossing No.13 Km23+270, Pk4-ITS008-G-224-D: 40m .................................. page 40

    Crossing No.14 Km23+330, Pk4-ITS008-G-224-D (1): 60m ............................ page 41

    Crossing No.15 Km23+330, Pk4-ITS008-G-224-D (2): 46m ............................ page 42

    Crossing No.16 Km23+445, Pk4-ITS008-G-224-D: 24m .................................. page 43

    Crossing No.17 Km23+790, Pk4-ITS008-G-224-D: 16m .................................. page 44

    Crossing No.18 Km24+110, Pk4-ITS008-G-311-D: 16m .................................. page 45

    Crossing No.19 Km24+950, Pk4-ITS008-G-312-D: 21m .................................. page 46

    Crossing No.20 Km34+500, Pk4-ITS008-G-326-D: 24m .................................. page 47

    Crossing No.21 Km34+615, Pk4-ITS008-G-326-D: 28m .................................. page 48

    Crossing No.22 Km37+200, Pk4-ITS008-G-330-D: 30m .................................. page 49

    Crossing No.23 Km40+940, Pk4-ITS008-G-416-D (1): 27m ............................ page 50

    Crossing No.24 Km40+940, Pk4-ITS008-G-416-D (1): 29m ............................ page 51

    Crossing No.25 Km41+360, Pk4-ITS008-G-417-D: 30m .................................. page 52

    Crossing No.26 Km43+650, Pk4-ITS008-G-421-D: 20m .................................. page 53

    Crossing No.27 Km43+870, Pk4-ITS008-G-421-D: 20m .................................. page 54

    Crossing No.28 Km45+250, Pk4-ITS008-G-423-D: 21m .................................. page 55

    Crossing No.29 Km49+000, Pk4-ITS008-G-429-D: 16m .................................. page 56

    Crossing No.30 Km49+250, Pk4-ITS008-G-429-D (1): 19m ............................ page 57

    Crossing No.31 Km49+250, Pk4-ITS008-G-429-D (2): 16m ............................ page 58

    Crossing No.32 Km52+170, Pk4-ITS008-G-434-D: 18m .................................. page 59

    Crossing No.33 Km52+430, Pk4-ITS008-G-434-D (1): 18m ............................ page 60

    Crossing No.34 Km52+430, Pk4-ITS008-G-434-D (2): 18m ............................ page 61

    Crossing No.35 Km54+500, Pk4-ITS008-G-438-D: 32m .................................. page 62

    Crossing No.36 Km54+920, Pk4-ITS008-G-440-D: 19m .................................. page 63

    Crossing No.37 Km54+980, Pk4-ITS008-G-441-D: 43m .................................. page 64

    III.2. WORK PLAN ............................................................................................ page 65

    CHAPTER IV - SAFETY CONTROL

    IV.1. Personnel check ......................................................................................... page 70

    IV.1.1. Personality check .................................................................................... page 70

    IV.1.2. Protection check ...................................................................................... page 70

    IV.2. Working base check ................................................................................... page 70

    IV.2.1. Working trench check ............................................................................. page 70

    IV.2.2. Foundation check .................................................................................... page 70

    IV.3. Equipment/tools check ............................................................................... page 71

    IV.3.1. Function check ........................................................................................ page 71

    IV.3.2. Protection check .........