HP_SH_Desuperheater_Spool_GA.pdf
PDF 348 KB Posted
- Solicitation number
- 2026-RFP-114
- Issued by
- Polk County, Florida
About this file
This is a technical engineering drawing for a desuperheater spool replacement component related to the City of Lakeland's McIntosh #5 Combined Cycle power plant unit. The drawing, prepared by Nooter/Eriksen Inc., specifies the detailed design and material requirements for a desuperheater spool assembly that will be utilized during the Unit No. 5 Fall Outage scheduled to begin November 29, 2026, and conclude December 19, 2026. The component is designed to operate under demanding conditions with a design temperature of 1090°F and design pressure of 2165 PSIG, conforming to ASME BPVC 1-2025 code standards. The spool assembly features overall dimensions of 9 feet by 6 feet, with a desuperheater liner measuring 1 foot 7 inches in length, and includes multiple pipe connections, flanges, couplets, and sockolets of varying sizes (ranging from 1 inch to 3 inches in diameter). The assembly incorporates high-specification materials including SA-182 F91 Type 1 forgings, SA-335 P91 Type 1 pipe, and SA-387-22 CL2 liner material to withstand the high-temperature steam service application designated as HP-03.
The drawing establishes critical welding specifications, including continuous joint penetration (CJP) welds per AWS A2.4 standards, and provides detailed section views and orientation requirements for proper installation. All components are designed with materials compatible with the high-pressure, high-temperature service conditions, with specific attention to rod materials, spacer configurations, and spray water nozzle positioning. This technical documentation serves as the engineering specification for contractors bidding on the Lakeland Electric Unit 5 Fall Outage contract services, which seeks qualified boiler and HRSG contractors capable of performing code welds on thin-wall HRSG tubes and heavy wall P91 piping installations.
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Text version
1/8
1/8
TO LINER
TYP ROD
CORR. ALLOW.:
INSUL THK:
DESIGN TEMP:
DESIGN PRESS:
CODE:
SERVICE:
LINE NO. :
DESIGN CONDITIONS
FLOW
GENERAL ARRANGEMENT
DESUPERHEATER SPOOL REPLACEMENTJMD
RJL
25NEA0468LBP-GA101
0 JMD RJLINITIAL RELEASE
0 X
21-JAN-2026
TYP
CJP
3/8
3/8
3/8
TO PIPE
TYP AT PIN
SEAM
LINER LONG
O"
6"
1090°F
2165 PSIG
ASME BPVC 1-2025
STEAM
HP-03
WELD SYMBOLS ARE PER AWS A2.4 LATEST EDITION
PROJECT:
JOB NO SHEET REV FE-RELEASE DATE:
CODE
COMP
CODE
DOC
REVISIONREV CHKDWN
DWN
PM
SE
CHK
PE
TE
ORIG. JOB NO:
1 2 3 4 5 6 7 8 9 10 11 12
B
C
D
E
F
G
A
WAY APPLIES TO DESIGN AND FEATURES WHICH ARE OUR CUSTOMER'S PROPERTY.
AND MUST NOT BE COPIED OR REPRODUCED WITHOUT PERMISSION. THE FOREGOING IN NO
HOW, AND ALL NEW OR PATENTABLE FEATURES ARE THE PROPERTY OF NOOTER/ERIKSEN INC.
THIS DRAWING HAS BEEN FURNISHED BY NOOTER/ERIKSEN INC.: THE INFORMATION KNOW
997000LAKELAND
LOCATION: LAKELAND, FL
PROJECT: MCINTOSH #5 COMBINED CYCLE
PURCHASER: CITY OF LAKELAND
9'-0" DESUPERHEATER SPOOL OVERALL
6'-0" DESUPERHEATER LINER1'-7"
2'-7"
1'-7"1'-0"
6"
8"
AND 1ˆ" DIA. HOLE IN LINER (TYP)
DRILL 1•" DIA. HOLE IN PIPE
SAME, OR COMPATIBLE, MATERIAL AS PIPE
1" DIA. x 2‡" LG. ROD
(SA-182 F91 TYPE 1, OR BETTER)
3" CL2500 (RFLWN)
(TYP UNLESS NOTED)
(SA-182 F91 TYPE 1, OR BETTER)
2" CL2500 (RFLWN)
(SA-335 P91 TYPE 1, OR BETTER)
10.75" O.D. x 1.25" NOM.THK. PIPE
3" 3" 3'-0" 3"
(SA-387-22 CL2)
‰" THK. x 8" O.D. LINER
4"6"4"
R E
F
R E
F
3" DIA. HOLE (PIPE)
3•" DIA. HOLE (LINER)
2" DIA. HOLE
(2) PLACES
(SA-182 F91 TYPE 1, OR BETTER)
1" CL6000 COUPLET
1…" DIA. HOLE
(SA-182 F91 TYPE 1, OR BETTER)
1" CL6000 SOCKOLET (SWF)
A
A
B
B
SEE SECTION VIEWS FOR ACTUAL CONNECTION ORIENTATION
WELD TO LINER ONLY
(SA-387-22 CL2)
(3) EQUALLY SPACED AT (3) PLACES
„" SQ. x 3" LG. SPACER
(TYP)
STRADDLE CENTERLINE
BOLT HOLES TO
TO BE IN DIRECTION OF FLOW
DESUPERHEATER SPRAYWATER NOZZLE
ˆ
L A
N D ƒ
T H
K
10°
TYPICAL PIPE END PREP
MATCH 10" SCH.160
3:1 TAPER END TO
SECTION A-A
1" COUPLET
1" SOCKOLET
0°
90° 270°
180°
2" CL2500 LWN
FLANGE
EXISTING BLIND
DESUPERHEATER
EXISTING
AT (3) PLACES
EQUALLY SPACED
(3) ROD SPACERS
SECTION B-B
180°
90° 270°
0°
ON CENTERLINE
PINS TO BE
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