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


Year  2018

Variable
JAN.
FAB.
MAR.
APR.
MAY.
JUN.
JUL.
AUG.
SEP.
OCT.
NOV.
DEC.
M
CONSTRUCTION MATERIALS(EXCLUDE CEMENT & STEEL)
290.5
291.0
290.9
291.1
290.9
291.3
291.0
291.8
291.8
291.7
291.2
291.1
S
STEEL PRICE INDEX
225.5
224.6
223.7
220.0
221.4
230.1
238.5
240.8
237.4
228.4
228.4
219.0
C
CEMENT PRICE INDEX
188.9
188.5
188.5
188.5
189.7
189.7
190.3
190.3
190.3
189.8
189.9
189.9
G
IRON SHEET PRICE INDEX
357.3
357.3
357.3
354.2
354.2
354.2
354.2
354.2
354.2
354.2
354.2
349.5
I
GENERAL CONSUMER PRICE INDEX OF THAILAND
260.5
259.9
259.7
260.8
262.3
262.1
261.9
262.6
263.4
263.5
263.0
261.2
F
HIGH SPEED DIESEL PRICE INDEX
466.6
456.4
455.8
467.0
491.2
488.1
491.2
496.6
505.7
506.9
493.9
448.3
A
ASPHALT PRICE INDEX
423.5
419.9
412.0
409.4
411.8
428.5
446.9
450.9
452.1
459.6
439.1
435.8
E
MACHINERY AND EQUIPMENT PRICE INDEX
317.2
317.2
317.2
317.2
317.2
317.2
317.2
318.9
325.3
325.3
325.5
325.5
GIP
GALVANIZED IRON PIPE PRICE INDEX
418.1
418.1
418.1
418.1
418.1
418.1
418.8
418.8
414.5
414.5
410.2
410.2
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
145.8
149.1
149.1
149.1
145.7
145.7
145.7
145.7
145.7
142.3
142.3
142.3
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
194.7
194.7
194.7
194.7
194.7
196.4
196.4
196.4
196.4
196.4
196.4
196.4

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