RIGGING PLAN FOR 28” PIPE LOWERING
UTILIZE EXCAVATOR
1.
LOAD DATA:
NO
DESCRIPTION
PIPE DATA :
1
Pipe Material
2
Nominal Pipe Size
3
Outside Diameter
4
5
6
7
Thickness
Inside Diameter
Density
Length
COATING
1
2
3
4
5
DATA :
Material
Thickness
Density
Cut Back
Length
UNIT
in
in
mm
mm
mm
kg/cm3
m
2.
REMARKS
API 5L X52
28
28
711,2
11,9
678,4
7850
12,2
POLYETHYLENE
mm 2,75
kg/cm3 939,69
mm 150
m 11,9
CALCULATION :
1
Weight of Pipe
2
Weight of Coating
3
QTY
Total Weight
kg/m 205,22
kg/m 5,80
Bare Pipe
kg/m 211,02
kg 2572,72
(Bare Pipe +Coating)
2,57 TON
LIFTING EQUIPMENT & TOOLS:
-
Equipment
-
Webbing Sling SWL 10 TON – 6 M
Shackle WLL 8,5 TON
: Excavator Type: Komatsu PC 200, CAD 320 or other
brand is equivalent or the bigger can allow for pipe
lowering.
: 4 pcs
: 4 pcs
3.
RIGGING PLAN:
SHACKLE
(WLL. 8,5T)
WEBBING SLING
(SWL. 10 T- 6 M)
Track Position:
Load Radius over Front
2000
900
4.
CALCULATION
-
Operating Weight
Lifting Capacity
: 21450 kg
: 5400 kg (Radius 6 meter & Depth of Trench 3 m) as
per load chart (Track Position: Load Radius over
Front)
-
Max. Free Span between Excavators
: 15 m
-
Total Load = Weight of Pipe * Free Span between excavator
= 211.02 kg/m * 15 m
= 3165 m (safe)
4.1 Load Excavator for Initial Lowering
4.2 Load Excavator for Continues Lowering
5.
LOAD CHART