Variables of Contract Price Escalation Factors (K)
(1987=100)


Year  2020

Variable
JAN.
FAB.
MAR.
APR.
MAY.
JUN.
JUL.
AUG.
SEP.
OCT.
NOV.
DEC.
M
CONSTRUCTION MATERIALS(EXCLUDE CEMENT & STEEL)
292.6
293.0
292.4
291.1
291.3
291.9
292.6
293.2
292.5
292.5
292.5
293.3
S
STEEL PRICE INDEX
192.5
188.8
185.1
177.4
176.2
181.1
183.1
179.6
183.8
188.0
189.6
199.4
C
CEMENT PRICE INDEX
189.0
189.0
187.5
187.5
186.4
186.4
190.3
188.0
188.0
188.0
188.0
183.9
G
IRON SHEET PRICE INDEX
289.0
289.0
289.0
281.6
273.8
273.8
273.8
273.8
273.8
273.8
296.6
334.6
I
GENERAL CONSUMER PRICE INDEX OF THAILAND
264.0
263.7
261.5
256.2
256.2
260.2
261.9
262.7
262.4
262.5
262.4
262.8
F
HIGH SPEED DIESEL PRICE INDEX
464.0
439.9
407.9
329.5
324.4
367.9
378.6
376.8
362.4
369.1
384.2
409.2
A
ASPHALT PRICE INDEX
410.5
418.4
405.6
391.2
427.2
453.7
475.7
510.2
503.0
491.1
462.7
462.7
E
MACHINERY AND EQUIPMENT PRICE INDEX
358.2
358.2
358.2
358.2
358.2
358.2
358.2
358.2
358.2
358.2
358.2
357.4
GIP
GALVANIZED IRON PIPE PRICE INDEX
393.5
393.5
393.5
393.5
380.6
380.6
380.6
380.6
380.6
380.6
396.5
417.1
AC
ASBESTOS PIPE PRICE INDEX
152.2
152.2
152.2
152.2
152.2
152.2
152.2
152.2
152.2
152.2
152.2
152.2
PVC
PVC WATER PIPE PRICE INDEX
142.3
142.3
142.3
142.3
142.3
142.3
142.3
142.3
142.3
143.2
144.8
144.8
W
INSULATED WIRE PRICE INDEX
327.9
327.9
327.9
327.9
327.9
327.9
327.9
327.9
327.9
327.9
327.9
327.9
PE
HYDENSITY POLYETHYLENE PIPE PRICE INDEX
196.4
196.4
196.4
196.4
196.4
196.4
196.4
196.4
196.4
196.4
196.4
196.4

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