dwall production analysis-based on stec dwg d 920 new cs 4581 rev 0 25012010

8/13/2019 Dwall Production Analysis-Based on STEC DWG D 920 NEW CS 4581 REV 0 25012010

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Normal Normal

Project Dwall Dwall G.Total

Work 0.8 1.2 0.8 1.2 0.8 1.2 0.8 1.2

Thk 1.0 1.2

Length 112 666 779

Exc.Area 2,781 29,128 31,909

Exc.Vol. 2,225 34,953 37,179

Mob #REF!

Work Duration #REF!

No.of Panel 20 119 14 55 6 21 0 43 139

Length of Panel 5.62 5.60 69.00 27 43 80

Total wk (MC) 31.00 31.00 13.00 8 10 31

Panel/wk (Based MCP) 5.31 3.38 4

Prod.rate, m3 1.18

No.of Rigs 4

Grab 2 2 2

1.2 BC Cutter 2 2 2

URS DWALL Soil Profile

104 Fill 326 2,536 163 1,223 163 423 0 889 2,862

557 KF 1,857 15,798 1,498 7,073 359 2,884 0 5,841 17,655

209 GVI 131 3,397 0 1,488 131 673 0 1,235 3,527174 GV 468 4,848 468 1,688 0 934 0 2,226 5,316

52 GIV 0 909 0 741 0 57 0 112 909

35 GIII 0 808 0 332 0 190 0 286 808

0 GII 0 831 0 262 0 0 0 569 831

1132 Total area, m3 2,781 29,128 2,128 12,809 653 5,161 0 11,158 31,909

Increased Qty Diff -2,659

Phase 1 Phase 2 Phase 3

Dwall Dwall

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1.0 m Dwall Panel

Zone A Zone A Zone A Zone A1

Block 1 Block 2 Block 3

N Value

Panel Length

(m) - 65.29 - -

0 Fill (m) 2.00

100 GIV (m) -

RQD 30-80 GIII (m) -

RQD 100 GII (m)

N Value Panel Length - - - -

0 Fill (m)

100 GIV (m)

RQD 30-80 GIII (m)

RQD 100 GII (m)

N Value Panel Length - - - -

0 Fill (m)

100 GIV (m)

RQD 30-80 GIII (m)

RQD 100 GII (m)

1.2m Dwall Panel

Zone A Zone A Zone A

Block 1 Block 2 Block 3

N Value

Panel Length

(m) 49.75 19.95 22.80 19.43 16.06 38.87

0 Fill (m) 3.00 3.00 3.00 3.00 3.00 2.50

100 GIV (m) 4.50 2.50 3.00 2.80 2.50 1.50

RQD 30-80 GIII (m) 1.00 1.00 1.00 1.00 1.50 1.00

RQD 100 GII (m) 2.00 3.00

N Value Panel Length - 33.68 16.58 -

0 Fill (m) 3.00 3.00

100 GIV (m) - -

RQD 30-80 GIII (m) 1.00 1.00

Phase 1

Phase 2

Phase 2

Phase 3

Phase 1

)


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RQD 100 GII (m)

N Value Panel Length - - 5.70

0 Fill (m) 3.00

100 GIV (m) -

RQD 30-80 GIII (m) 1.00RQD 100 GII (m)

Phase 3


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Zone A2 Zone B Zone C Zone D Zone D1

(m)

- - - 14.51 - 79.80

2.20 4.20

20.00 38.50

- -

3.00 9.50

- - -

- - -

-

- - - 32.65 - 32.65

5.00 5.00

11.00 11.00

4.00 4.00

- -

- -

- -

-

- - - - - - -

- -

- -

- -

- -

- -

- -

-

112.45

Zone A2 Zone B Zone C Zone D

(m)

1/F-E B1-C1

- 39.38 11.14 38.87 29.02 23.32 308.59

3.00 2.00 5.00 3.00 5.00 35.50

20.00 22.00 11.50 16.00 19.00 215.30

2.50 10.00 4.50 6.00 7.00 47.00

13.50 7.00 5.00 48.40

2.00 - 1.50 20.30

- 1.00 3.00 1.00 11.50

- 3.00 8.00

- - - - 47.16 20.21 117.63

3.00 3.00 9.00

20.00 22.50 60.00

2.50 9.50 12.50

13.50 7.00 13.50

1.00 - 1.00

- 1.00 3.00 3.00

Zone D1

Other Area

Other Area


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- -

- - - 21.25 16.06 154.43 31.09 11.40 239.93

4.00 3.00 3.00 3.00 3.00 19.00

14.00 21.00 21.75 16.00 22.50 116.25

- 2.00 3.50 9.00 10.00 35.50

1.00 - 10.50 5.00 4.50 22.00

- - 3.00 -

1.00 1.00 2.00 3.0015.00 5.00 15.00

666.15


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Nos

(m2) of

5.7 Panels

14

162.50

1,498.07

-

467.92

-

-

-

6

163.25

359.15

130.60

-

-

-

-

0

-

-

-

-

-

-

-

2,781.48 20

Nos

(m2) of

5.7 Panels

55

1,019.58

5,894.51

1,240.33

1,407.00

617.30

276.71

218.69

21

352.89

2,403.13

561.20

778.13

47.16

158.05

Total

Total


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-

43

741.04

4,867.25

1,029.14

1,855.22

93.27

238.37474.20

24,273.15 119


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1 2


9/23

a1

ABB222

a2

DT/2009

103.33mrl

100.00mRL

95.00mRL

90.00mRL

85.00mRL

80.00mRL

75.00mRL

70.00mRL

65.00mRL

1 2


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60.00mRL

55.00mRL

50.00mRL

Legend

Fill

Kallang Formation

Granite GVI

Granite GV

Granite GIV

Granite GIII

Granite GII


11/23

5 63 4


12/23


13/23


14/23

`

7 8 9


15/23

ABH218

ABH214

a4

7 8 9


16/23


17/23


18/23


19/23


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SECTIONAL ELEVATION ON LOW LEVEL DI APHRAGM WALL FOR SURS AT GRID LI NE d1-b8-a4

103.33mrl

100.00mRL

95.00mRL

90.00mRL

85.00mRL

80.00mRL

75.00mRL

70.00mRL

65.00mRL

DWALL TOEL LEVEL

60.00mRL

6m TOE

BELOW

55.00mRL

50.00mRL

0

m

10

m

20

m

30

m

40

m

Legend

Fill Granite GIII

Kallang Formation Granite GII

Granite GVI Diaphragm Wall Panel

Granite GV

Granite GIV

d1

b8

ABH215

TOP OF DIAPHRAGM WALL

ABH213

ABH214

DT/2008/VST,PZS


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SECTIONAL ELEVATION ON LOW LEVEL AND FULL HEI GHT DI APHRAGM WALL F OR SURS AT GRID L INE d2-b9-b10

103.33mrl

100.00mRL

95.00mRL

90.00mRL

85.00mRL

80.00mRL

75.00mRL

70.00mRL

65.00mRL

DWALL TOEL LEVEL

60.00mRL

6m TOE L

BELOW S

55.00mRL

50.00mRL

0m

1

0m

2

0m

3

0m

4

0m

Legend

Fill Granite GIII

Kallang Formation Granite GII

Granite GVI Diaphragm Wall Panel

Granite GV

Granite GIV

ABH214

DT/2008/VST,PZS

d2

b9

TOP OF DIAPHRAGM WALL

ABH2

12


22/23

Bill of Quantities

Downtown Line Stage 2 C920 Project, Singapore Option A - SURS with Diaphragm Wall

DIAPHRAGM WALL WORKS

ITEM DESCRIPTION UNIT QTY RATE AMOUNT Remarks

All Quanti t ies are Provisional -

1.0 Mobilisation & Demobilisation & Maintenance L/S 1 -$ $ 2,451,690.00

2,451,690.00$

2.0 Guide Wall Construction

2.1 Constructing 300mmx1200mm Guidewall m 790 280.00$ 221,200.00$ Included Material

2.2 Removal of Guidewall m 790 40.00$ 31,600.00$ Included Disposal

252,800.00$

3.0 Diaphragm Wall (1200mm thick)

3.1 Exacavation on Soil & Rock (GIII Granite at 1.0m socketing) m3 26,135 405.00$ 10,584,675.00$ Included Disposal

3.2 Extra Over for Rock Excavation (GIII Granite) m3 800 650.00$ 520,000.00$ Included Disposal

3.3 Concreting m3 26,135 25.00$ 653,375.00$ Material by Maincon

3.4 Rebar Fabrication & Installation ton 6,011 250.00$ 1,502,762.50$ Material by Maincon

3.5 Place LSS Type I for Backfilling m3 1.00 70.00$ Rate Only





4.4 Rebar Fabrication & Installation ton 535 250.00$ 133,860.00$ Material by Maincon

4.5 Place LSS Type I for Backfilling m3 1.00 70.00$ Rate Only Included Material

5.0 Diaphragm (SURS) Wall (1200mm thick )


5.2 Extra Over for Rock Excavation (GII and GIII Granite) m3 1,263 1,705.00$ 2,153,415.00$ Included Disposal



5.5 Place LSS Type I for Backfilling m3 6,308 70.00$ 441,560.00$ Included Material

19,727,462.50$

6.0 Hacking and Trimming Works -

6.1 Hacking and trimming of Diaphragm Wall to Design COL m 884 350.00$ 309,400.00$ Included Disposal

-

7.0

Acceptance Works in Requirements To LTA's M&W

Specification

7.1 Sonic Coring Works No 1.00 $ 5,000.00 Rate Only

7.2 Sonic Logging Works No 1.00 $ 3,000.00 Rate Only

8.0 Other Works -

8.1 Coupler Installation (Labour Only) No 1.00 5.00$ Rate Only Material by Maincon

8.2

Installation of 150mm dia.black pipe for Inclinometer Works byOthers m 1.00 45.00$ Rate Only Included Material

8.3

Installation of 150mm dia.black pipe for Fissured Grouting Works by

Others No 1.00 45.00$ Rate Only Included Material

8.4 Indstallation of H-Beam into Diaphragm Wall T-Panel (Labour Only) No 1.00 1,000.00$ Rate Only Material by Maincon

$ 309,400.00

-

22,741,352.50$TOTAL

Sub-Total

Sub-Total

Sub-Total

Sub-Total


23/23

Bill of Quantities

Downtown Line Stage 2 C920 Project, Singapore Option B - Pre-Boring Works on SURS

DIAPHRAGM WALL WORKS

ITEM DESCRIPTION UNIT QTY RATE AMOUNT Remarks

All Quant i t ies are Provis ional -

1.0 Mobilisation & Demobilisation & Maintenance L/S 1 -$ $ 2,451,690.00

2,451,690.00$

2.0 Guide Wall Construction

2.1 Constructing 300mmx1200mm Guidewall m 790 280.00$ 221,200.00$ Included Material

2.2 Removal of Guidewall m 790 40.00$ 31,600.00$ Included Disposal

252,800.00$





3.4 Rebar Fabrication & Installation ton 6,011 250.00$ 1,502,762.50$ Material by Maincon








5.0 Pre-Boring (SURS) Wall (127m Length)

5.1 Pre-Boring on Soil & Rock (GIII Granite at 1.0m socketing) m3 6,105 405.00$ 2,472,525.00$ Included Disposal

5.2 Extra Over for Rock Pre-Boring (GII GIII Granite) m3 1,263 650.00$ 820,950.00$ Included Disposal



5.5 Place LSS Type I for Backfilling m3 6,308 70.00$ 441,560.00$ Included Material

18,394,997.50$

6.0 Hacking and Trimming Works -

6.1 Hacking and trimming of Diaphragm Wall to Design COL m 884 350.00$ 309,400.00$ Included Disposal

-

7.0

Acceptance Works in Requirements To LTA's M&W

Specification

7.1 Sonic Coring Works No 1.00 $ 5,000.00 Rate Only Included Material

7.2 Sonic Logging Works No 1.00 $ 3,000.00 Rate Only Included Material

8.0 Other Works -

8.1 Coupler Installation (Labour Only) No 1.00 5.00$ Rate Only Material by Maincon

8.2

Installation of 150mm dia.black pipe for Inclinometer Works byOthers m 1.00 45.00$ Rate Only Included Material

8.3

Installation of 150mm dia.black pipe for Fissured Grouting Works byOthers No 1.00 45.00$ Rate Only Included Material

8.4 Indstallation of H-Beam into Diaphragm Wall T-Panel (Labour Only) No 1.00 1,000.00$ Rate Only Material by Maincon

$ 309,400.00

-

21,408,887.50$

Sub-Total

Sub-Total

Sub-Total

Sub-Total

TOTAL

dwall production analysis-based on stec dwg d 920 new cs 4581 rev 0 25012010

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