This document provides technical datasheets for a fuel oil unloading system. It includes details on: 1) LDO storage tanks such as tank capacity, dimensions, design codes, material of construction, etc. 2) LDO unloading pumps and sump pumps including type, capacity, design codes, material of construction. 3) Strainers for LDO unloading pumps including type, flow rate, pressure, temperature, material of construction. 4) Additional components like steam traps, steam tracing, oil hoses, and valves are also specified.

1. SECTION - C1
SUB-SECTION: IV
TECHNICAL DATASHEET
Page 293 of 1054

2. TECHNICAL DATASHEETS
FOR
FUEL OIL UNLOADING SYSTEM
Page 294 of 1054

3. 1. EQUIPMENT SELECTION & DESIGN CRITERIA/ DATA SHEET
1.1 LDO STORAGE TANK
S.No. LDO STORAGE TANKS
1 Storage Medium LDO
2 No. of Tanks As per scope of supply
3 Type of Construction Vertical Cylindrical, non-pressure type with atmospheric vents fitted
with flame arrestor fixed cone roof type.
4 Tank Capacity (m3)
( refer note 1)
500
5 Dimensions (
refer note-2)
10.0 m dia x 7.5 m ht
6 Design &
Construction Code
IS 803
7 Design Pressure Atmospheric
8 Corrosion allowance 2 mm on the bottom plate and bottom shell course, 1.5mm on rest
of the shell course and roof.
9 Material of
construction
IS 2062 Gr A/B with minimum plate thickness as 6.0 mm including
corrosion allowance
10 Venting Capacity As per API 2000/ IS 803
13 Joint efficiency 85 % on all butt welded joints
14 Insulation NA
15 Plate Course
Width(mm) (Refer
Note-3)
1250/1500/1800/2000
Notes:
1) Tank Net Capacity indicated is capacity between Tank Bottom to Bottom of Overflow Nozzle
level.
2) Height of tank indicated is from tank bottom up to bottom of overflow nozzle. Additional height as
required to meet tank fabrication requirement & free space for vapour shall be provided.
3) As per IS803, minimum course width is 1500mm unless agreed otherwise mutually. Due to
availability of availability of plates at the time of detail engineering, option of course width of
1250mm has been also kept.
Page 295 of 1054

4. 1.2 LDO UNLOADING PUMPS & SUMP PUMPS
S
.
N
o
Characteristics LDO Unloading Pumps
Sump Pump in Oil
Water Separator pit
Sump Pumps in
pump house/OWS
1 Type of Pumps
Twin Screw
Positive Displacement
Vertical single screw
type
Vertical single screw
type
2
No. &Capacity of
Pumps
As per scope of supply
3 Type of Duty Intermittent
4 Type of Drive Direct driven by Electric Motor
5 Location Indoor Outdoor Indoor
6
Nature of Fluid to
be pumped
LDO
Water with traces of
oil
Water with traces of
oil
7
Design Viscosity
range
2-20 cST 5-50cST 5-50cST
8 Sealing Manufacturer Specific
9 Design Code Manufacturer specific.
10 Bearings Antifriction type Manufacturer specific
11 Material of Construction
i) Casing
Cast Iron to IS 210 Gr FG 260/
CS Fabricated
Ni-CAST IRON (250BHN)
ii)
Casing lining, if
applicable
Manufacturer specific
iii) Rotor/ Impeller
13% chrome SS
Ni-CAST IRON (250BHN)
iv)
Rotor housing, if
applicable
CI AS PER IS 210 GR. 260 Ni-CAST IRON (250BHN)
v) Shaft 13% chrome SS BS 970 EN-8 or equivalent
vi) Relief valve body CI to IS 210 Gr FG 260 NA
vii) Relief valve spring Spring steel NA
viii) Base Plate Fabricated from MS to IS 2062
ix) Coupling Manufacturer specific
Page 296 of 1054

5. x) Driving Gear
Hardened and Tempered Alloy
Steel with Machine Cut Teeth
and Ground Finish
NA
1.3 STRAINERS FOR LDO UNLOADING PUMPS
S.No. Characteristics Value
01 Type Simplex Type for unloading
pumps & Not applicable for Drain
oil pumps
02 Fluid LDO
03 Flow Rate To match pump flow rate
04 Operating Pressure, maximum kg/cm2 (g) Bidder specific
05 Operating temperature, q C 55
06 Design Pressure , kg/cm2 (g) 1.1 times the operating pressure ,
min.
07 Design Temperature, q C 65
08 Fluid Viscosity As per Fuel Oil Characteristics
09 a) Pressure drop in clean condition 0.1 kg/cm2
09 b) Maximum permissible pressure drop
under 50 % clogged condition
0.3 kg/cm2
10 Screen basket data
a) Dia of perforations 40 mesh
b) Minimum thickness Bidder specific
11 Steam Jacket Applicable for HFO unloading
pump suction strainer.
12 Steam pressure for steam heating 4 kg/cm2 (a) or higher as decided
during detail engineering
13 End Connection details
a) Inlet & outlet size Shall match connected upstream
and downstream pipe size
b) Type Flanged
c) Details / Standard IS: 6392 /ANSI B 16.5 /Equivalent.
14 Material of Construction
a) Body Fabricated from IS 2062/
Seamless pipe to ASTM A 106
b) Cover Fabricated from IS 2062 PLATES
c) Screen basket SS 304
Page 297 of 1054

6. 1.4 STEAM TRAPS
S.No. Characteristics Value
Design Features
1 Type TD type or any other type as per trap vendor
recommendation for steam heat tracing
2 Strainer Integral with trap
3 End connection Welded /Manufacturer Standard.
3 Material of construction
a Body SA105 /Equivalent
b Trims SS conforming to AISI-316 /304/ Manufacture Standard
Practice
c Strainer SS conforming to AISI-316 /304/ Manufacture Standard
Practice
¾ Trap to trap distance shall be 40M.
¾ Traps shall be suitable for a pressure of 16bar.
1.5 STEAM TRACING
Number and Pipe Size of Steam Tracers shall be as per following,
Sl. No. Pipe Size No. & Size of Tracer
1 350NB and Above 3X20NB
2 150NB to 300NB 2X20NB
3 100NB and Below 1X20NB
1.6 DATA SHEET FOR OIL HOSES
S.No Characteristics Value
1 Type Flexible rubber hose confirming to BS 1435/ IS 10733
2 Size 75 NB X 8 m long for LDO
3 Quantity As indicated in scope of supply
4 Temperature of fluid
handled, °C
Capable of handling oil Up to 85 °C temperature
5 Type of end
connection
To match road tanker unloading nozzle
(details to be provided by customer )
1.7 VALVES
S.No. Characteristics Value
Design Features
1 General Requirement for i) All valves shall be provided with hand wheels, extension
Page 298 of 1054

7. all valves spindles and floor stands or any other arrangement
wherever required so that they can be operated manually
with ease by a single operator from the nearest operating
floors either at a lower or higher elevation as the case
may be. Wherever necessary for safety purpose, locking
devices shall be furnished with valves. Gear Operated
valve shall be provided for valves where force applied is
more than 25Kgf. In the case of those valves with
extended spindles, indicators will be fitted both to the
extended spindles and to the valve spindles.
2 Gate Valves i) Gate Valves shall be used for isolation purpose for all
sizes in steam and condensate lines. The gate valves
shall be provided with handle wheel, position indicator
and draining arrangement.
ii) Gate Valves for sizes up to 40 NB/50 NB ( As per
manufacturer’s standard) shall be of class 800, forged
carbon steel valves with solid wedge, OS and Y rising
stem and bolted bonnet, Trim shall be of 13% chrome
steel. Body material shall be to ASTM A105 and ends
shall be socket welded. STEM and Disc material shall be
to ASTM A182 F6a.
iii) For sizes above 40 NB/ 50 NB (As per manufacturer’s
standard), valves shall be of class 150/300 (depending on
service), Cast Carbon Steel gate valves. Face to face
dimensions shall be as per ANSI B 16.10. Body material
shall be ASTM A216 Gr. WCB and ends shall be flanged
to ANSI 150/300 Ibs rating with raised face.
iv) Gate valve shall be used in the oil lines for sizes 400NB
and above.
v)The valves shall conform to API 600/ API 602 and shall be
tested to API 598/IS: 6157 requirements.
3 Globe Valves i) Globe valves shall be used for regulation purpose for all
sizes in steam, condensate and oil lines, they shall be
provided with hand wheel, position indicator and draining
arrangement, if required.
ii) Globe valves for sizes up to 40 NB/50 NB (As per
manufacturer’s standard) shall be of class 800 forged
carbon steel valves with plug disc. Other particulars shall
be same as 2 (ii) above.
iii) For sizes above 40 NB/50 NB (As per manufacturer’s
standard), valves shall be class 150/300 (depending on
service) Cast Carbon steel globe valves with plug or ball
type disc, other particulars shall be same as 2 (iii) above.
iv) The valve shall conform to BS, 1873/BS: 2995 and shall
be tested to BS: 5146 requirements.
4 Check Valves. i) Check Valves shall be used for non-return services for
Page 299 of 1054

8. all sizes in steam, condensate and oil lines.
ii) For sizes up to 40 NB/ 50 NB (As per manufacturer’s
standard), check valves shall be of class 800 forged
Carbon Steel horizontal lift type, with bolted cover,
Valves shall have 13% Chrome Steel trim and body
material to ASTM A 105, Ends-shall be socket welded.
iii) For sizes above 50 NB, check valves shall be of class
150/300 (depending on service) Cast Carbon Steel
valves of swing check type having bolted cover. Trim
shall be of 13% Chromium Steel and body material to
ASTM A 216 Gr. WCB. Ends shall be flanged to ANSI
Class 150/300 Ib rating with raised face.
iv) The valves shall conform to BS: 1868 and shall be
tested to BS: 5146/IS: 5312 requirements.
5 Oil Line Ball / Plug Valves i) Ball valves shall be used for isolation purpose in oil
lines. These shall have ‘port’ position indicators with
CLOSE/OPEN indications marked on valve body.
ii) Ball valves shall be of class 150 full-bore type with
face to face dimension as per ANSI B 16.10. Body
material for plug/Ball Valves shall be ASTM A216
Gr. WCB. The ball shall be of SS AISI 316 quality.
iii) Ball valves shall be of safe patter for internal (line) &
external leakage. Ball valves in general shall confirm
to BS: 5351/ and to BS6755 Part-2/API 607/
Equivalent for fire safe test.
iv) Plug valves shall be of fire safe pattern for external
leakage only. Plug valves in general shall confirm to
API 6D/ Equivalent for design &manufacturing
standard and to BS6755 Part-2/ API607/ Equivalent
for fire safe test.
1.8 PIPES, FITTINGS & FLANGES
Sr.
No
Size
Material Standard/
Other details
Dimension Standard
A PIPE
a. FUEL OIL
Page 300 of 1054

9. 1
Fuel Oil Unloading Pipes
Fuel Oil Pump Discharge Piping/Other Fuel
Oil / Piping
IS 1239/IS1978/API 5L
Gr. B(ERW) / IS 3589
Fabricated from IS 2062
Plates
API 5L GR.B (ERW)
ASME B36.10/ IS 1978/
API 5L /Equivalent
2 Type of end connection ( Pipe to pipe & Pipe
to equipment )
Butt welded for pipe
size 65 NB & above;
however, near
equipment, this shall be
of flanged type. Socket
welded for 50 NB &
below; near equipment
this may be either socket
welded or flanged.
Socket welding – ANSI B
16.11
Butt welding – ANSI B
16.25
Flanged- ANSI B 16.5 /BS
4504 / IS 6392; Class- As
per relevant standard &
suitable for intended
service
b. STEAM AND CONDENSATE SERVICE
All Sizes SA 106 GR.B IS 1239/ ASME B36.10/
Equivalent
Type of end connection ( Pipe to pipe & Pipe
to equipment )
Butt welded for pipe
size 65 NB & above;
however, near
equipment, this shall be
of flanged type. Socket
welded for 50 NB &
below; near equipment
this may be either socket
welded or flanged.
Socket welding – ANSI B
16.11
Butt welding – ANSI B
16.25
Flanged- ANSI B 16.5/ BS
4504/ IS 6392; Class- As
per relevant standard &
suitable for intended
service
c. AIR LINE
25 NB & below MS ERW PIPES TO
IS1239(1) Heavy Grade
(GI) , Screwed Ends,
galvanized
IS 1239
Type of end connection ( Pipe to pipe & Pipe
to equipment )
SOCKET WELDED ANSI B 2.1/ IS 1239
d. BURIED PIPE, IF ANY / PIPE CARRYING BILGE WATER ( WATER WITH TRACES OF OIL)
Up to 150 NB M.S ERW to IS 1239 (1)
Heavy Grade
AS PER IS 1239
Type of end connection ( Pipe to pipe & Pipe
to equipment )
As per standard
engineering practice.
B. FITTINGS & FLANGES
a. FUEL OIL
1. Fittings (Elbow, Tees and Reducers) Material Standard Dimension Standard
50 NB and below Forged carbon steel to
ASTM A 105
SW ends to ANSI B 16.11
(3000#)
65 NB and above Fabricated from parent BW ends to ANSI B 16.9,
Page 301 of 1054

10. pipe / Carbon Steel to
ASTM A 234,Gr.WPB
Sch.40
2. Slip on Flanges /
Blind Flanges
Material Standard Dimension Standard
All sizes ASTM A 105/ Fabricated
from IS2062 plate
As per ANSI B16.5, Class
150,/BS 4504/ IS 6392 ;
class 150 lb/ equivalent to
relevant standard.
b. STEAM AND CONDENSATE SERVICE
1. Fittings (Elbow, Tees and Reducers) Material Standard Dimension Standard
50 NB and below Forged carbon steel to
ASTM A 105
SW ends to ANSI B 16.11
(3000#)
65 NB and above Carbon Steel to
ASTM A 234, Gr. WPB
BW ends to ANSI B 16.9,
Sch.40
2. Slip on Flanges/Blind
Flanges
Material Standard Dimension Standard
All sizes Forged carbon steel to
ASTM A 105
ANSI B16.5/ BS 4504/ IS
6392, class suitable for
intended service.
c. AIR LINE
1. Fittings (Elbow, Tees and Reducers) Material Standard Dimension Standard
25 NB and below IS 1239 (II) (Galvanized) IS 1239 (II)
d. Buried pipe/ Pipe carrying bilge water
1. Fitting - 150 NB and below IS 1239 (II) IS 1239 (II)
2. Slip on Flanges /
Blind Flanges
Material Standard Dimension Standard
All sizes Fabricated from IS2062
plate
ANSI B16.5/ BS 4504/ IS
6392; Class- 150 lb
/Equivalent to relevant
standard
Notes:
1) Pipe thickness shall be as per sub section-A-26, part-B, section- VI of technical specification.
1.9 VELOCITIES FOR SELECTING PIPING
Sizes of pipelines shall be selected so that velocity in pipes may not exceed the following
maximum velocities
Page 302 of 1054

11. Sr. No Description Maximum Velocity
A STEAM
1 Saturated Steam 40m/s
2 Wet Steam/Exhaust Steam 30m/s
B Water
1 Pump Suction 1.5m/s
2 Pump Discharge 3.0m/s
C Air LINE
Compressed air 15m/s
D
Oil
1
LDO 2.0m/s
2
HFO 1.5m/s
2.0 THERMAL INSULATION – REFER ANNEXURE-VIII TO SECTION-C
3.0 LAYOUT REQUIREMENT – REFER ANNEXURE-VIII TO SECTION-C
Page 303 of 1054

12. TECHNICAL DATASHEET
FOR
MISC. TANKS-SITE FABRICATED
(DM WATER)
Page 304 of 1054

13. B E D T EET OR DM W TER TOR GE T N DOC NO PE D
PEM EET NO O
PROJECT T T E G TPP T GE V MW REV NO
1.0 SERVICE IDENTIFICATION DM WATER STORAGE TANKS
2.0 NUMBER REQUIRED TWO (02) NOS. FOR STATION
3.0 STORAGE MEDIUM DM WATER
4.0 SIZE & TYPE
5.0 MATERIAL OF CONSTRUCTION MILD STEEL TO IS : 2062 Gr B
6.0 CORROSION ALLOWANCE 2.0MM
8.0
DESIGN TEMPERATURE &
PRESSURE CLASS
60 0
C, DESIGN FOR FILLED WATER HEAD / ATMOSPHERE
9.0 LOCATION OF INSTALLATION OUTDOOR
10.0 DRAIN VALVE FOR TANK 150NB
11.0
DRAIN VALVE FOR NaOH / KOH
BREATHER
25NB
12.0 DRAIN VALVE FOR SEAL POT 100NB
13.0
PIPE MATERIAL FOR HAND RAILING CARBON STEEL, GALVANIZED, MEDIUM GRADE
14.0 NOZZLE CONNECTIONS REQD / AS PER ENCLOSED SKETCH (PE-SK-404-167-S001) / SOCKET WELDED FOR
END CONNECTION
15.0 PIPE / NOZZLE MATERIAL ASTM A 312 TP 304 SEAMLESS SCH.40 FOR 50NB AND BELOW, ASTM A 312
TP 304 ERW SCH 10 FOR ABOVE 50NB.
16.0 VALVES END CONNECTION SOCKET WELDED FOR SIZE ч NB50
FLANGED FOR SIZE > NB50
17.0 VALVES MATERIAL
ABOVE 50NB.
18.0
APPLICABLE CODES / STATUTORY
REGULATIONS
19.0 INSTRUMENTS / ACCESSORIES (a) NaOH /KOH BREATHER (TO BE PLACED ON GROUND)
REQUIRED (b) OVERFLOW(200NB) & DRAIN PIPING WITH DRAIN VALVE (150NB)
(REFER ENCLOSED SKETCH) (c) SEAL POT WITH DRAIN VALVE ETC. FOR OVERFLOW
(d) LEVEL GAUGE (MECHANICAL FLOAT TYPE) WITH DIAL TYPE INDICATOR
(GUIDE WIRE, FLOAT & HOUSING OF SS316)
(e) 2 NOS TAPPINGS WITH NB 25 ROOT VALVES ON ROOF
( FOR MOUNTING TWO LEVEL TRANSMITTERS)
(f) SAMPLING CONNECTION WITH NB 50 VALVE ON TANK.
(g) 3 NOS. SPARE INSTRUMENT CONNECTIONS ON TANK
(h) 2 NOS. SPARE CONNECTIONS OF 100NB AND 150NB WITH VALVES.
20.0 INSIDE PROTECTION REFER PAINTING SPECIFICATION
21.0 EXTERNAL PAINTING REFER PAINTING SPECIFICATION
22.0 MANHOLE TWO (2) NOS. ONE ON SHELL & THE OTHER ON ROOF (SIZE MIN. 600 NB)
10.0M. DIA X 10.5M. HEIGHT (VERTICAL CYLINDERICAL)
AS APPLICABLE IS-803/API-650/BS STANDARDS
SIZE ” NB50 & FLANGED FOR SIZE > NB50
ASTM A 182 GR. F 304 FOR 50 NB AND BELOW, ASTM A 182 GR. CF 8M FOR
Page 305 of 1054

14. Page 306 of 1054

15. Painting specification of DM water storage tank
Internal External Underneath
Surface
preparation
Blast clean to SA 2.5 Blast clean to SA
2.5
Wire Brushing/
hand tool
cleaning to ST-2.
Primer Two (2) coats of HB
epoxy zinc phosphate
primer of 35 micron
each.
One (1) coat of HB
epoxy zinc
phosphate primer of
75-100 microns.
2 coats of high
build
coal tar epoxy
suitably
pigmented (2
pack), DFT: 80 –
100 microns
each coat.
Intermediate
coat
N. A. One (1) coat
Micaceous Iron
Oxide coating of 50-
75 micron.
N. A.
Finish Solvent free epoxy
coating (Min. 2 coats)
of DFT 200 Microns
each.
Two (2) coats of
Aliphatic
polyurethane 30-35
microns per coat.
N. A.
Total DFT 470 microns 185 - 245 microns 160 – 200
microns
Note:-
1) Make of paints shall be as per approved BHEL vendor list.
Page 307 of 1054
Make of paint shall be NTPC / NBPPL approved.

16. LEVEL INDICATOR
S.NO. COMPONENT DESCRIPTION
1 Type Float and Arrow Type Level Indicator
2 Float Material SS 316
3 Guide Cable SS-316
4 Float Cable SS-316
5 Spring SS-304
6 Cover SS-316
7 Roller / Pulley and Pulley
Housing
SS
8 Scale Board Aluminum, P.U. Painted
9 Pointer and Graduations Aluminum and S.S.
10 Accuracy ± 5 mm
11 Range To suit tank size
12 Quantity one(1) number per tank
PLATES & STRUCTRUAL STEEL
A.0 MS Plate
1.0 Material IS:2062, Gr. B( equivalent to ASTM A-36M)
B.0 Angle, Channel, Beam, Bar and Flat
1.0 Material IS:2062, Gr. A/B( equivalent to ASTM A-36M)
C.0 Handrail
1.0 Size of pipe 32 NB
Page 308 of 1054

17. 2.0 Material
ERW pipe as per IS:1239,Part-I ( equivalent to ASTM A 53
Gr. Medium, galvanized as per IS:4736)
3.0 Dimension standard ANSI 36.10, plain ends
PIPES, FITTINGS, FLANGES & ACCESSORIES
1.0
SS Pipes Material Standard
Dimensional
Standard
1.1 50 NB and below
Stainless steel pipe as
per ASTM A-312, Gr.
TP-304 L, Seamless,
Sch. 40
As per ANSI B-36.19,
Beveled ends as per
ANSI B16.25
1.2 65 NB and above
Stainless steel pipe as
per ASTM A-312, Gr.
TP-316 L, Seamless
As per ANSI B-36.19,
socket welded
2.0
SS Fittings(Elbow, Tees &
Reducers)
2.1
50 NB and below
Forged Stainless steel as
per ASTM A-403, WP-
304L
ANSI B 16.11, S/W
ends
2.2 65 NB and above
Stainless Steel as per
ASTM A-403, WP-316L
ANSI B 16.9, B/W
ends
3.0 SS Flanges
3.1
For SS Pipes up to 50
NB
ASTM A182 F321 ANSI B16.5, SORF
3.2
For SS Pipes above 50
NB
ASTM A182 F 316L ANSI B16.5, WNRF
4.0 Gasket for SS fittings
4.1 Up to 50NB
SS jacketed CAF with
superior oil/resistance
ANSI B 16.21
4.2 Above 50NB PTFE (TEFLON) ANSI B 16.21
5.0 Bolts & Nuts
Page 309 of 1054

18. 5.1
Wherever applicable in
all the tanks.
ASTM A-193, Gr. B7 for
Bolts ASTM A-194, Gr. 2H
for Nuts
ASTM A-193 / A-194
VALVES
S.No. Valves Characteristics
1 SS Gate & Globe valves
( Size – 50 NB & below)
i) Service : DM water
ii) Ends : Socket welded
iii) Design / Dimensions : For Gate valve - API 602 / ANSI
B16.11 and For Globe valve - BS 5352 / ANSI B16.11
iv) Bonnet connection : Screwed / Flanged
v) Seat : Hardened
vi) Material
Body & Bonnet :ASTM A182 F316
Wedge/plug :SS 316
Stem : ASTM A182 F316
Gland : SS
Packing : Graphite Teflon
Yoke Sleeves : SS
Hand wheel : CS/ Malleable iron
vii) vii) Nuts & Bolts : A193 Gr.B7 & A194 Gr. 2H
viii) Testing standard : API 598
2. SS gate valves
( Size – above 50 NB)
i) Service : DM water
ii) Ends : Flanged to ANSI B165, FF
Page 310 of 1054

19. iii) Design / Dimensions : ANSI B16.34 / API :600
iv) Type : WEIR Type
v) Bonnet connection : Bolted
vi) Seat : Sealed
vii) Material
Body & Bonnet : ASTM A351CF 8M
Wedge/plug : ASTM A351CF 8M
Stem : 13 % cr. faced
Packing : CAF
Yoke Sleeves : SS
Hand wheel : CS/ Malleable iron
viii)Nuts & Bolts : A193 Gr.B7 & A194 Gr. 2H
ix) Testing standard : API 598
Page 311 of 1054

20. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
TESHNICAL DATASHEET
FOR
MATERIAL HANDLING EQUIPMENTS
Page 312 of 1054

21. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
ELECTRIC HOIST
A.0.0 TECHNICAL PARTICULARS OF ELECTRIC HOIST
Sl.no DESCRIPTION TECHNICAL PARTICULARS
1.0 Type Steel wire electric hoist with electrically operated trolley
2.0 Scope (Qty., Capacity, Lift,
Travel Length)
As per specification and layout requirement
3.0 Type of service Indoor
4.0 Overload test 125% of SWL
5.0 Design Ambient temperature 50° C
6.0 General Design As per IS: 3938 / 1983 or latest, Class-II duty
6.1 Design standards IS: 3938, IS: 2266,IS: 4029, IS: 900,IS: 4237, IS: 694, IS:
3043, IS: 1822, IS: 2147. IS: 1554, IS: 325, IS: 15660, IS
9968 Part I etc as per latest revision
6.2 Duty class Class II duty
7.0 Operating speed
7.1 Hoisting speed 3 MPM.
7.2 Trolley speed 10 MPM
8.0 Type of transmission Through Electric motor and gear box.
9.0 Wire Rope
9.1 Construction / core 6 x36 construction, steel core/Fibre core
9.2 Code IS:2266
9.3 Number of falls Min. 4
9.4 Factor of safety Not less than 5
10.0 Load Hook and block NORMALISED HOOK ONLY
10.1 Type of load hook Plain shank trapezoidal section with safety latch.
10.2 Load hook Code IS: 15560
10.3 Load hook Material As per IS:15560
10.4 Hook suspension Thrust bearing
10.5 Material of block suspension Fabricated from steel plate, Material: IS: 2062
11.0 Gearing
11.1 Type Spur / Helical
Page 313 of 1054

22. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
11.2 Gear/ pinion material as per IS 3938
11.3 Lubrication Oil splash/ grease lubricated
11.4 Bearing type Antifriction Ball / Roller
12.0 Trolley drive
12.1 Wheel Single flange taper thread
12.2 Wheel conform to (Std. / code) IS: 3938
12.3 Wheel material C55Mn75/ En-8/ En-9. (Max hardness 200 BHN)
12.4 Bearing type Antifriction Ball / Roller
12.5 Trolley type Rolled structural steel with side plates extended beyond
wheel flanges to protect wheels.
12.6 Hardness Max hardness 200 BHN
13.0 SHEAVE
13.1 Material Fabricated from steel plate. IS: 2062 Gr. A or Gr. B / as
per IS: 3938
13.2 Bearing type Antifriction Ball / Roller.
14.0 BRAKE (HOIST and TROLLEY)
14.1 Type DC EM brakes disc type (fail to safety).
14.2 Capacity As per IS 3938.
14.3 Number One number for each motor.
15.0 ROPE DRUM
15.1 Material Cast iron, cast steel or mild steel.
15.2 Flange / Flangeless Flanged
15.3 Type of groove As per manufacturers standard to suit the layout
requirement.(Shall be decided during detail engineering)
17.0 TYPE OF DSL
17.1 CT travel PVC Shrouded bus bar conductor type DSL
18.0 MOTORS
18.1 Type Sq. Cage induction, TEFC, S4 duty, 40% CDF.
Page 314 of 1054

23. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
18.2 Number of start 150 starts / hr
18.3 Voltage , Phase and
Frequency
415V ±10%, 3 phase, 4 wire, 50 Hz
18.4 Class of insulation Class “F” and temperature rise limited to class B.
18.5 Type of enclosure TEFC
18.6 Degree of protection provided
for enclosure
IP-54/55 (indoor/outdoor)
18.7 Margin 10% over maximum continuous load demand
19.0 LIMIT SWITCHES Hoisting Trolley
19.1 Type Snap action, self
actuating type
Lever type
20.0 Control panel * Fabricated from Cold rolled sheet steel not less than
2.5mm for front & rear & 2mm for side, top & bottom
portion with gland plate of 3mm thick.
* Degree of protection shall be IP 54.
* Power on indicating lamps shall be provided
* Panel illumination lamps operated by door switch.
* 2 nos earthing terminals on panel.
* 20 % spares terminals ( clip on type) shall be provided.
* Power and control terminals ( clip on type) shall be on
separate channels.
* Gland plate shall be double brass compression type.
20.1 Qty 1 No.
21.0 Pendent Push buttons Up /down / forward / Reverse push buttons.
Indicative marking for easy operation shall be provided.
22.0 Power cables 1.1KV grade PVC power cables shall have conductor
(compacted type for sizes above 10 sq.mm), XLPE
Insulated, PVC inner sheathed, unarmoured, FRLS PVC
outer sheathed conforming to IS:1554 (Part-I).
Minimum size 2.5 mm sq for Cu.
23.0 Control cable Control cables shall have stranded copper conductor
multicore PVC insulated, PVC inner-sheathed,
unarmoured, PVC outer-sheathed conforming to IS:1554.
(Part-I). Minimum size 1.5 mm sq.
24.0 Flexible trailing cable 1.1KV grade XLPE power cables shall have Cu
conductor, XLPE insulated, PVC inner
sheathed (as applicable), armoured/ unarmoured, FRLS
PVC outer sheathed conforming to IS:7098.(Part-I).
25.0 Control Voltage 110 V
26.0 Isolator switch To be provided by bidder
Page 315 of 1054

24. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
B.0.0: M T T
One (1) complete unused new set of special purpose tools, tackles and accessories along with
detailed instructions and maintenance manual shall be supplied. Tools shall be of suitable sizes for
maintenance of electric hoist of each type and capacity. Each tool and wrench shall be stamped so as to
be identified easy for its use. The tools shall be supplied in steel toolbox and with a copy of instruction
manual. The items supplied shall be of the best quality, specially protected against rusting. The following
shall be provided as minimum requirement:
S-No. Description Qty.
1 Complete set of ring spanners (Indicate the sizes offered) 1 Set
2 Complete set of screwdrivers (Indicate the sizes) 1 Set
3. Adjustable Spanner 1 No.
4. Insulated plier 1 No.
5. Grease gun 1 No.
6. Oil gun 1 No.
7. Line tester 1 No.
Note: -The tools shall be supplied in one tool box .Bidder shall ensure that the tools & tackles mentioned
in above list are sufficient to handle all sizes/capacities of hoists & in case any other /additional tool is
required for handling/maintenance any size/capacity of hoist the same shall be included in this list.
C T
As per NBPPL / NTPC approved QAP and as per IS 3938 (latest revision). Prime inspection
agency shall be NBPPL/End Customer. Equipment supplied shall be strictly in accordance with
nomenclature & technical specification. Any additional testing requirement/ CHP(Customer Hold Point) at
any stage of inspection deemed necessary by Customer/NBPPL during detailed engineering shall be
carried out without any commercial or technical implication.
D W E
Supply of ISMB monorail.
E P NT NG PEC C T ON
As per painting details specified elsewhere in specification
Color shade: Structure: Golden Yellow, RAL 1004
Panel : paint shade RAL-9002 for complete panel except on end covers whose
shade shall be RAL-5012.
P C NG
In general packing shall be wooden box packing.
G DEMON TR T ON TE T
Hoist along with its drives, controls and other accessories shall be demonstrated for the rated
capacity against the rated speed of motions and for the service conditions specified as specified
Page 316 of 1054

25. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
in QAP and as per IS 3938.
The bidder shall have the full responsibility for the safe and efficient operation of the hoist with
associated accessories as a single unit.
If the shop performance tests indicate the failure of any of the components to achieve the
guaranteed performance, the deficiency shall be made good at bidder’s cost.
Demonstration tests shall be carried out each time after the rectification /modification is carried
out.
M E O B VENDOR TEM
Makes of bought out items will be as per list specified in the specification. No other make will be
acceptable, until and unless specifically got it approved by the purchaser/ end client.
TE T NG T TE
As required for statutory clearance for operating at site i.e., overload test, load test and other
tests as per IS 3938.
Test for Operation -After the supply has been connected, tests shall be carried out to prove the
following:
a) The satisfactory operation of each controller, switch, contactor, relay and other control
devices and in particular the correct operation of all limit switches under the most
unfavorable conditions;
b) The correctness of all circuits and interlocks and sequence of operation; and
c) The satisfactory operation of all protective devices.
Overload Test -After test but before the hoist is put into service, it shall be tested with overload
relays appropriately set, to lift and sustain a test load of 125 percent of the working load.
During the overload test, the hoist shall sustain the load under full control. The specified
speeds need not be attained but the hoist shall show itself capable of dealing with the
overload without difficulty.
J DR W NG DOC MENT BM ON
1. The drawing listed in Vol II, Section 7 is tentative and shall be finalized with the successful
bidder after placement of order.
2. Drawings shall be prepared in Auto-Cad latest edition. Required no. of hard and soft copies
(editable) of the drawings shall be furnished as per requirement specified elsewhere in the
specification.
3. All the drawings and documents including general arrangement drawing, data sheet,
calculation etc. to be furnished to the customer during detailed engineering stage shall
include / indicate the following details for clarity w.r.t. Inspection, construction, erection and
maintenance etc.:-
Page 317 of 1054

26. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
a) All drawings and documents shall indicate the list of all reference drawings including
general arrangement.
b) All drawings shall include / show plan, elevation, side view, cross - section, skin section,
blow - up view; all major self-manufactured and bought out items shall be labeled and
included in BOQ / BOM in tabular form.
c) Painting schedule shall also be made as a part of general arrangement drawing of each
equipment / items indicating at least 3 trade names.
d) All the drawings required to be furnished to customer during detailed engineering stage
shall include technical parameters, details of paints and lubrication, hardness and BOQ /
BOM in tabular form indicating all major components including bought out items and their
quantity, material of construction indicating its applicable code / standard, weight, make
etc.
e) Drawings/ documents to be submitted for purchasers review/ approval shall be under
Revision A, B, C… etc. while drawings /documents to be submitted thereafter for
customer’s approval after purchaser’s approval shall be under R-0, 1, 2, 3 ….etc.
M ND TOR P RE
NA
Page 318 of 1054

27. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
CHAIN PULLEY BLOCK
D T EET
1.00.00 Type : Hand operated chain pulley block
2.00.00 Area : As per scope sheet attached
3.00.00 Design : IS: 3832, IS: 2429, IS 15560, IS 210, IS 4367, IS 6216,
IS: 4460. (All standards shall be of latest revision)
4.00.00 Duty Class as per IS:3832 : Class –II
5.00.00 Hoisting Mechanism
a) Type : Hand operated gear transmission
b) Type of gear : Spur / Helical
c) Load Chain :
i) Type : Link type
ii)Material : Alloy steel grade 80 as per IS: 6216
iii) Conforms to (Std./Code) : IS: 6216
d) Hand Chain :
i) Type : Link type
ii) Material : Mild steel (grade 30) as per IS 2429 Part I
e) Load Hook & Hook Block :
i) Type of load hook : Plain shank- Trapezoidal section
ii) Load hooks conform to : IS: 15560
/ Material
iii)Type of hook suspension : Swivelling
iv)Type of make of bearing : Thrust ball bearing
of hook suspension
f) Gears/pinion :
i) Type : Spur
ii) Material : Alloy steel / carbon steel (Material confirming to
IS 3832)
iii) Type of bearing used : Antifriction ball bearing / Roller
g) Sprockets
i) Type of bearings used : Antifriction ball bearing / Roller
Page 319 of 1054

28. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
h) Method of lubrications Used
i) Bearings : Grease
ii)Gearing & Pinions : Grease
iii)Sprockets : Grease
i) Brakes
i) Type : Ratchet and pawl arrangement along with screw and
friction disc type
6.00.0 Trolley & Bridge Drive
a) Trolley
i) Type : Geared (Manually operated)
ii) Material of frame : Rolled structural steel (IS:2062 Grade A or B)
b) Drive Chain
i) Type : Link type
ii) Material : Steel Gr.30
c) Trolley Wheel
i) Number of pairs of wheel : Two/four
in each trolley/bridge
ii) Flange : Single flanged
iii) Wheel material : Heat Treated Carbon steel/low alloy steel/graded cast
iron (Material confirming to IS 3832)
iv) Type of bearings need : Antifriction
d) Gears
i) Type : Spur / helical
ii) Material : Alloy/ Carbon steel (Material confirming to IS 3832)
iii) Type of bearings used : Antifriction
e) Method of lubrication for
i) Bearings : Grease
ii) Sprockets : Grease
f) Load chain wheel
i) Material : SG iron/ Steel casting/IS 3832
g) Hand chain wheel
i) Material : SG iron/ Steel casting/Grey iron
Casting./IS 3832
7.0.0 MAINTENANCE TOOLS AND TACKLES
A complete unused one set of special purpose maintenance tools & tackles and accessories
along with detailed instructions for maintenance and manual operation shall be supplied. Tools
shall be of suitable sizes for maintenance of Chain Pulley Block of each type and capacity. Each
tool and wrench shall be stamped so as to be identified easy for its use and size. The tools shall
be supplied in steel toolbox and with a copy of instruction manual. The items supplied shall be of
the best quality, specially protected against rusting. The following shall be provided as minimum
requirement.
Page 320 of 1054

29. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
1) Adjustable spanner One (1)
2) Wrench spanner One (1)
3) Oil gun One (1)
4) Set of Screw driver Min 6 nos. (of different sizes)
5) 2 lb hammer with wooden handle One (1)
6) Grease Gun One (1)
Any other item required for maintenance shall be provided.
8.0.0 P NT NG PEC C T ON
As per painting details specified elsewhere in specification
Shade : Trolley: Lemmon yellow (Shade 355 as per IS 5)
Hook: Light grey (Shade 631 as per IS 5)
9.0.0 N PECT ON ND TE T NG T M N CT RER WOR
As per attached QAP, NTPC specification and as per IS 3832 (latest revision)
10.0.0 P C NG
In general packing shall be wooden box packing.
11.0.0 DEMONSTRATION TEST
The chain pulley blocks along with other accessories shall be demonstrated for the rated
capacity. The minimum following tests shall be conducted at works – Overload test, rated load
test and other tests as per IS-3832. Pull on the hoist and trolley shall not increase during full load
operation.
The bidder shall have full responsibility for the safe and efficient operation of the chain pulley
blocks and traveling trolley with associated accessories as a single unit.
If the shop/site performance tests indicate the failure of any of the components to achieve the
guaranteed performance, the deficiency shall be made good at bidder's cost.
Demonstration tests shall be carried out each time after the rectification modification is carried
out.
12.0.0 WORKS EXCLUDE
Supply of monorail (ISMB/Fabricated beam) for traveling trolley of chain pulley blocks.
13.0.0 TESTING AT SITE
As required for statutory clearance for operating at site with following minimum test i.e., overload
and load test.
Page 321 of 1054

30. TECHNICAL SPECIFICATION
FPS, FOUS & MISC TANKS PACKAGE
FGUTPP STAGEͲIV (1X 500 MW) AT UNCHAHAR
BHEL SPEC. NO. :PE-TS-404-522-A001
Rev. No.: 00, Dated: July 2014 Vol I; Section C1: SUB SECTION-IV
TECHNICAL DATASHEET
DOC. NO.: NBPPL-004-108-00-P4M-A
Rev. No.:00
TECHNICAL SPECIFICATIONS
14.0.0 B VENDOR T
Following maker of bought out items shall be considered:
Steel SAIL/IISCO/TISCO
Steel Forgings Chowdhary/Western India Forgings/Hindustan Steel
Forgings/Ruby Forging or as approved by NBPPL/NTPC.
Hooks Herman Mohata /Moozumdar & Moozumdar / Steel Forgings/
Karachiwala/ Smriti/ Nasik Forge.
(*) The sub-vendor list is indicative and will be subject to customer approval during detail
engineering of the package without any commercial implication on account of the same.
15.0.0 DR W NG BM ON
1. The drawing listed in Vol II, Section 7 is tentative and shall be finalized with the
successful bidder after placement of order..
2. Drawings shall be prepared in Auto-Cad latest edition. Required no. of hard and soft
copies (editable) of the drawings shall be furnished as per requirement specified elsewhere
in the specification.
3. All the drawings and documents including general arrangement drawing, data sheet,
calculation etc. to be furnished to the customer during detailed engineering stage shall
include / indicate the following details for clarity w.r.t. Inspection, construction, erection and
maintenance etc.:-
f) All drawings and documents shall indicate the list of all reference drawings including
general arrangement.
g) All drawings shall include / show plan, elevation, side view, cross - section, skin section,
blow - up view; all major self-manufactured and bought out items shall be labeled and
included in BOQ / BOM in tabular form.
h) Painting schedule shall also be made as a part of general arrangement drawing of each
equipment / items indicating at least 3 trade names.
i) All the drawings required to be furnished to customer during detailed engineering stage
shall include technical parameters, details of paints and lubrication, hardness and BOQ /
BOM in tabular form indicating all major components including bought out items and their
quantity, material of construction indicating its applicable code / standard, weight, make
etc.
j) Drawings/ documents to be submitted for purchasers review/ approval shall be under
Revision A, B, C… etc. while drawings /documents to be submitted thereafter for
customer’s approval after purchaser’s approval shall be under R-0, 1, 2, 3 ….etc.
16.0.0 M ND TOR P RE
NA
Page 322 of 1054