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


Year  2008

Variable
JAN.
FAB.
MAR.
APR.
MAY.
JUN.
JUL.
AUG.
SEP.
OCT.
NOV.
DEC.
M
CONSTRUCTION MATERIALS(EXCLUDE CEMENT & STEEL)
260.3
265.6
270.7
278.4
286.6
293.3
296.9
294.9
287.4
280.9
270.6
267.3
S
STEEL PRICE INDEX
300.0
322.5
329.6
339.9
409.9
429.0
428.7
397.5
321.4
241.2
217.6
212.4
C
CEMENT PRICE INDEX
197.1
197.1
197.1
203.1
206.1
206.1
211.5
211.5
212.8
212.8
211.8
208.0
G
IRON SHEET PRICE INDEX
355.1
384.8
429.8
453.6
479.8
518.0
521.4
500.1
453.1
409.0
339.7
331.3
I
GENERAL CONSUMER PRICE INDEX OF THAILAND
221.0
222.4
223.7
227.8
232.6
235.3
236.1
228.9
229.4
226.7
223.9
220.2
F
HIGH SPEED DIESEL PRICE INDEX
489.9
487.5
510.8
539.4
597.4
685.7
711.9
572.1
527.0
433.9
366.2
323.2
A
ASPHALT PRICE INDEX
282.0
282.0
284.0
284.8
294.9
311.3
340.9
367.1
380.2
380.2
342.1
336.0
E
MACHINERY AND EQUIPMENT PRICE INDEX
221.1
260.8
260.8
260.8
260.8
263.0
263.0
263.0
268.4
268.4
265.7
265.7
GIP
GALVANIZED IRON PIPE PRICE INDEX
418.1
418.1
452.6
452.6
491.9
507.0
526.7
526.7
526.7
526.7
473.5
473.5
AC
ASBESTOS PIPE PRICE INDEX
125.1
125.2
125.2
125.1
125.2
125.2
151.2
151.2
151.2
151.2
151.2
151.2
PVC
PVC WATER PIPE PRICE INDEX
142.4
144.1
147.5
150.0
150.8
152.5
158.5
161.8
156.8
153.1
143.9
143.9
W
INSULATED WIRE PRICE INDEX
314.3
320.5
331.4
331.4
331.4
331.4
331.4
331.4
327.0
324.3
313.5
310.3
PE
HYDENSITY POLYETHYLENE PIPE PRICE INDEX
196.3
196.3
198.6
196.3
197.1
199.4
204.2
204.2
202.7
199.6
198.0
196.5

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