NEPAL ELECTRICITY AUTHORITY (A Government of Nepal Undertaking)

Generation Directorate

Medium Generation Operation and Maintenance Department

SUNDARIJAL HYDROPOWER PLANT REHABILITATION PROJECT

Electricity Transmission Expansion and Supply Improvement Project

SUNDARIJAL HYDROPOWER PLANT REHABILITATION PROJECT

BIDDING DOCUMENT

FOR

Procurement of Plant for Sundarijal Hydropower Plant Rehabilitation Project

(Design, Supply and Install)

Single-Stage, Two-Envelope

Bidding Procedure

Issued on:

Invitation for Bids No.: ICB-SHPPRP–071/72-01

ICB No.: ICB-SHPPRP–071/72-01

Employer: Nepal Electricity Authority

Country: Nepal

VOLUME –II OF III

June 2015

Sundarijal Hydropower Plant Rehabilitation Project

Generation Directorate

Durbar Marg, Kathmandu, Nepal Telephone: +977-1-4153070, 4153032 Fax: +977-1-4153016

The information in this Document is for reference only. The Bidders shall base their bids on the Document to be purchased from the Project Office.

Sundarijal Hydropower Plant Rehabilitation Project

VI I –Drawings

G1

AV

R

Vre

f.A

ux.

Sig

na

ls

Wh

WW

/TD

VA

RP

F

RE

CO

RD

ER

AS

S

VFR

EC

OR

DE

R

VS

SV

/TD

AA

/TD

RE

CO

RD

ER

27

87

G

Wh

WW

/TD

VA

RP

F

RE

CO

RD

ER

AS

S

VF R

EC

OR

DE

R

VS

SV

/TD

AA

/TD

RE

CO

RD

ER

HV

Fu

se

25

400 V S

tation Auxilliary Supply

DG

Unit #

1U

nit #

2

(sam

e a

s U

nit 1

)

VVFF

Syn

Panel

SL1/2

C1

Fie

ld F

lashin

gD

C

EL

EC

TR

ICA

L IN

TE

RLO

CK

Pow

er P

T (fo

r excita

tion)

400

/230

V

Syn

ch

rono

us G

en

era

tor

60

0 k

VA

, 48

0 k

W, 4

00V

,

50 H

z, 3

Ph

ase, P

F: 0

.80,

75

0 R

PM

AC

B 4

00 V

,

with

dra

wa

ble

type

125

0A

, 50

kA

, 1 s

ec

CT

Cla

ss: P

S/ 0

.5/5

P10

CT

R: 9

00

/1-1

-1 A

Bu

rde

n: 1

5 V

A

LA

: 500

V, 1

0 k

A

Excita

tion T

ran

sfo

rmer

400

/110

V , 6

3 k

VA

PT

:4

00

√3

:1

10

√3

:1

10

V

0.5

/3P

, 50

/50 V

A

CT

Cla

ss: P

S/0

.5

CT

R 1

80

0/1

-1 A

, 15 V

A

CT

: Cla

ss 0

.5/ 5

P10

/PS

CT

R: 7

0/1

-1-1

A

Burd

en: 2

0/2

0 V

A

Pow

er T

ransfo

rmer:

11/0

.4 ±

2×

2.5

% k

V

3-P

ha

se

, 12

50

kV

A

Z=

5%

, ON

AN

, YN

d11

AC

B: 4

00 V

,

200

0A

, 50

kA

, 1 s

ec

VC

B: In

do

or ty

pe

12 k

V, 6

30A

, 25

kA

, 1 s

ec

LA

: 9 k

V , 1

0 k

A

PT

:1

1

√3

/0

.11

√3

/ 0.1

1 k

V

Cla

ss: 0

.5/3

P

Burd

en : 5

0/5

0 V

A

CT

Cla

ss: P

S/ 1

0P

10

CT

R: 9

00/1

-1 A

Burd

en: 3

0 V

A

BU

S B

AR

400 V

200

0A

, 50

kA

/1 s

ec

PT

400

√3

:1

10

√3

V,C

l 0.5

, 15V

A

PT

:4

00

√3

: 110

√3

: 110

√3

V

Cla

ss: 0

.5/0

.5, B

urd

en: 1

5V

A

(Co

mm

on

for b

oth

two u

nits

)

XL

PE

Ca

ble

2×

3×

400m

m²

XL

PE

Ca

ble

: 1.1

kV

4×

3×

400

mm

²

CT

: 900

/1 A

Fie

ld w

indin

g

AC

EX

59

24

46

32

40

50

/51

50

/51

N

51V

86

95

64

49

81

78

54N

27

59

81O

81U

87T

64R

EF

50

/51

LV

67L

67N

50

/51

HV

51

N

LV

51

N

HV

Tra

nsfo

rme

r Cu

m L

ine P

rote

ctio

n

AS

S

AA

/TD

RE

CO

RD

ER

V

RE

CO

RD

ER V

SS

V/T

D

63A

49

OA

LO

L

A

OS

RT

49

OT

49

WT

PR

DT

49

WA

63T

G2

HV

Fu

se

51

51N

86

AS

S

AA

/TD

RE

CO

RD

ER

VV

SS

V/T

D

51

51N

86

AS

S

AA

/TD

VV

SS

V/T

D

AM

F R

EL

AY

25

VV

SS

ST

AR

PO

INT

Lo

w R

esis

tance

Ea

rthin

g 0

.242 O

hm

CT

Cla

ss: P

S

CT

R: 9

00/1

A, 1

5 V

A

XL

PE

Ca

ble

2×

3×

400m

m²

CT

Cla

ss: 5

P10

CT

R: 9

00/1

A, 2

0 V

A

PT

400

√3

:1

10

√3

V,C

l 0.5

, 15V

A

CT

Sin

gle

Ph

ase

: Cla

ss P

S/5

P10

CT

R: 7

0/1

-1 A

, Bu

rden

: 20 V

A

Iso

lato

r with

fused

loa

d b

rea

k s

witc

h

Die

se

l Ge

ne

rato

r Set

50 k

VA

, 400

V

3 P

ha

se

, 50

Hz, 0

.8 P

F

RE

CO

RD

ER

CT

Cla

ss: 0

.5/5

P10

CT

R: 1

50

/1-1

-1 A

Bu

rde

n: 2

0/2

0 V

A

BU

S B

AR

400 V

3-p

ha

se

, 4-w

ire,

200

A, 5

0 k

A/ 1

sec

100

A, 4

-po

le c

on

tacto

r

MC

CB

18

0A

, 400 V

PT

:4

00

√3

:1

10

√3

:1

10

√3

V

3P

/1.0

, 20

/20 V

A

Sta

tion

Tra

nsfo

rmer:

11/0

.4 ±

2×

2.5

% k

V

3-P

ha

se

, 50

kV

A

Z=

4.5

%, O

NA

N, D

yn11

XL

PE

Ca

ble

11kV

1×

3×

25m

m²

11 k

V O

utg

oin

g T

ran

sm

issio

n L

ine

To

wa

rds C

habahil

MA

IN

ME

TE

RC

HE

CK

ME

TE

R

CT

Cla

ss: 0

.2/0

.2

CT

R 7

0/1

-1 A

, 10 V

A(F

or m

ete

ring

purp

ose)

PT

:1

1

√3

: 0.1

10

√3

: 0.1

10

√3

kV

Cla

ss: 0

.2/0

.2, B

urd

en: 1

0/1

0V

A

(Fo

r me

terin

g p

urp

ose)

DS

/ES

: 12

kV

, 25

kA

XLP

E C

able

: 11 k

V

1×

3×

250

mm

²

Ge

ne

rato

r Pro

tectio

n

G1

Sin

gle

Ph

ase

Curre

nt

Tra

nsfo

rmer (C

T)

Th

ree

Ph

ase

& tw

o c

ore

Curre

nt

Tra

nsfo

rmer (C

T)

Po

ten

tial T

ran

sfo

rmer (fo

r

me

asu

rem

en

t of v

olta

ge) (P

T)

va

ccu

um

circ

uit b

reaker (V

CB

)

with

dra

wa

ble

air c

ircuit b

reaker

(AC

B)

Dis

co

nn

ectin

g S

witc

h w

ith E

arth

ing

(DS

/ES

)

Lig

htin

g A

rresto

r (LA

)

XL

PE

Ca

ble

(no

. * no

. of p

ha

se

* cro

ss

se

ctio

n a

rea)

( Po

we

r/ Dis

tribu

tion

) Tra

nsfo

rmer

Fu

se

Syn

ch

ron

ou

s G

en

era

tor

Gro

un

d / E

arth

ing

MC

CB

: Mo

uld

ed

Ca

se

Circ

uit B

reaker

MC

B : M

inia

ture

Circ

uit B

reaker

Co

nta

cto

r

MC

B 4

00

V, 6

-32

A

XL

PE

Ca

ble

: 1.1

kV

1×

3.5

×5

0 m

m²

XL

PE

Ca

ble

: 1.1

kV

1×

3.5

×5

0 m

m²

DS

/ES

: 12

kV

, 25

kA

LE

GE

ND

:

AV

RA

uto

ma

tic V

olta

ge R

egula

tor

VS

SV

olta

ge

Se

lecto

r Sw

itch

AS

SC

urre

nt (A

mp

ere

) Sele

cto

r Sw

itch

SS

yn

ch

roscope

C1

Co

nta

cto

r

EI

Ele

ctric

al In

terlo

ck

VV

oltm

ete

r

AA

mm

ete

r

WW

attm

ete

r

FF

req

ue

ncy m

ete

r

Wh

Activ

e e

ne

rgy (W

att h

our) m

ete

r

VA

RR

ea

ctiv

e p

ow

er m

ete

r

PF

Po

we

r Fa

cto

r mete

r

V/T

DV

olta

ge

transducer

A/T

DA

mp

ere

Tra

nsducer

W/T

DW

att T

ran

sducer

PR

OT

EC

TIO

N D

EV

ICE

NU

MB

ER

21

Dis

tan

ce R

ela

y

24

Volts

/Hz R

ela

y

25

Syn

ch

ron

ism

Check R

ela

y

26

Ap

pa

ratu

s th

erm

al d

evic

e

27

Un

de

rvo

ltag

e R

ela

y

32

PD

irectio

na

l Pow

er R

ela

y

40

Fie

ld R

ela

y

46

Re

ve

rse

ph

ase

or p

ha

se

ba

lan

ce c

urre

nt re

lay

49

ma

ch

ine

or tra

nsfo

rmer th

erm

al R

ela

y

50

Insta

nta

ne

ou

s o

ve

rcurre

nt R

ela

y

50

/51

Insta

nta

ne

ou

s a

c tim

e o

verc

urre

nt R

ela

y

51

NN

eu

tral a

c tim

e o

verc

urre

nt R

ela

y

51T

Tra

nsfo

rme

r ove

rcurre

nt R

ela

y

51

NT

Tra

nsfo

rme

r ne

utra

l overc

urre

nt R

ela

y

51

VV

olta

ge

Co

ntro

lled

overc

urre

nt R

ela

y

59

Ove

rvo

ltag

e R

ela

y

64T

Tra

nsfo

rme

r Gro

un

d d

ete

cto

r Rela

y

78

Ph

ase

an

gle

me

asurin

g R

ela

y

81

Fre

qu

en

cy R

ela

y

87

GG

en

era

tor d

iffere

ntia

l pro

tectiv

e R

ela

y

87T

Tra

nsfo

rme

r diffe

ren

tial p

rote

ctiv

e R

ela

y

95 T

rip C

ircuit S

upe

rvis

ion R

ela

y

LB

BL

oca

l Ba

cku

p P

rote

ctio

n R

ela

yFO

R T

EN

DE

R P

UR

PO

SE

ON

LY

SU

ND

AR

IJA

L H

YD

RO

PO

WE

R P

LA

NT

-RE

HA

BIL

ITA

TIO

N P

RO

JE

CT