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Notes on the Necessary VariationsDue to the Replacement of

Interchanges

Table of Contents

Notes on the Necessary Variations Due to the Replacement of Interchanges..........................1

1 Tiaong Interchange.............................................................................................................2

1.1 Highway Sections Affecte !y the Replacement........................................................2

1.2 Structures Affecte !y the Replacement.....................................................................2

1.2.1 The "NR #nerpass..............................................................................................2

1.2.2 The R$%$ 2&'(&() at Sta. *(+((,.-..................................................................2

1.2.- Tiaong %rige.......................................................................................................2

1.2., #nerpass at Sta. */+-2,.102..............................................................................-

1.2.0 Note.......................................................................................................................-

1.- ther Austment........................................................................................................-

2 3a4!an Interchange...........................................................................................................,

2.1 Highway Sections Affecte of the Replacement........................................................,

2.2 Sur5ey #pate............................................................................................................,

2.- Structure Affecte !y the Replacement......................................................................,

2.-.1 3a4!an %rige......................................................................................................,

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INTERNAL DOCUMENTSOUTH LUZON TOLLWAY CORPORATION

SLEX PHASE 2 TR4

1 TIAONG INTERCHANGE

The new location of the Tiaong Interchange is at Sta. *(+661.,,.

1.1 Highway Sections Affected by the Replaceent

The pre5ious esign affects the highway sections from stations *(+,2 to */+/2. The new

esign will affect sections from stations (+,( to */+/2. Therefore7 the highway8s tra5ersal

sections from stations *(+,( to */+/2 nee to !e replace

1.! St"#ct#"es Affected by the Replaceent

There are fi5e structures that will !e affecte !y the new esign9

1) The "NR #nerpass7 with a!utments at stations *(+02-./** an *(+0/.1*1

2) The 2&'(&() R$%$7 locate at Sta. *(+((,.-

-) The 2&'2.,&2./0) R$%$7 locate at Sta. */+2

,) The Tiaong %rige7 locate at Sta. *(+*--.-2

0) The unerpass locate at Sta. */+-2,.102

1.2.1 The PNR Underpass

The acceleration lane towars 3anila leas to the wiening of the north !oun sie of this

#nerpass.

Solutions propose9

1) To ma4e shorten the acceleration lane

2) Reesign the "NR %rige

1.2.2 The RCBC 2x(6x6) at Sta. 86+664.30

The acceleration lane towars 3anila leas to the wiening of the north !oun sie of this

R$%$.

Solution propose9

1) To ma4e this R$%$ longer.

1.2.- Tiaon Bride

The access ramp going to 3anila leas to the wiening of the north !oun sie of this

%rige

Solutions propose9

1) $a"iation of the access "ap%s geoet"y:2) Small 5ariation of the interchange main alignment:

-) %rige reesign

2

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INTERNAL DOCUMENTSOUTH LUZON TOLLWAY CORPORATION

SLEX PHASE 2 TR4

1.2., Underpass at Sta. 8!+324."#2

The access ramp towars ;ucena leas to a elongation of the #nerpass in the south !oun

sie.

Solutions propose91)

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INTERNAL DOCUMENTSOUTH LUZON TOLLWAY CORPORATION

SLEX PHASE 2 TR4

!.! S#"+ey ,pdate

The topographic sur5ey nees to !e e&tene accoring the last re5ision of the 3a4!an

Interchange.

!.& St"#ct#"e Affected by the Replaceent

There is one structure near the new 3a4!an Interchange will affecte of the new ramp

location7 that is the 3a4!an %rige7 which is locate at Sta. (/+,0-.6

2.-.1 $a%&an Bride

The eceleration lane towars 3a4!an from ;ucena is shorter compare to the pre5ious

one. Therefore7 only two lanes are neee for the north !oun sie of this !rige

Solutions propose9

1) Reuce the with of the north !oun sie of the !rige

,