10463327_MPLS_PS6_Boiler_Room_Crane_Signed.pdf

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Attached to
BID - PW PS6 Boiler Room Crane Beam
Solicitation number
0000004261
Issued by
Minnesota

About this file

This is a structural engineering drawing and specification document for the City of Minneapolis Department of Public Works, specifically for the PS6 Boiler Room Crane project located at 4100 Marshall Street NE, Minneapolis, Minnesota. The project involves the installation of a new one-ton capacity crane beam system within the existing boiler room roof structure. The scope of work includes fabrication and erection of new structural steel members, including a W10x30 crane beam, associated bracing, stiffeners, and connection details to integrate with existing structural elements. The drawing was issued for construction on May 22, 2026, with the design prepared by Brandon Clark, a licensed Professional Engineer in Minnesota (Registration No. 60507), and reviewed by project team members Andrew Atkins and Maxwell Ludington. The structural design incorporates specific load criteria including a 20 PSF non-reducible roof live load, a 1-ton crane capacity live load, and a 35 PSF flat roof snow load based on Minnesota Building Code standards.

The project specifications require adherence to the 2020 Minnesota Building Code, IBC 2018, ASCE 7-16, ACI 318-14, AISC 360-10, and AWS D1.1 welding standards. All structural steel must be prime painted in the shop with touch-up following erection. Shop drawings require submission for engineer review with a two-week turnaround time prior to fabrication. The contractor has the option to provide steel shim plates to achieve level crane beam installation, with maximum thickness not to exceed three-eighths inch without engineer coordination. Special inspections by an approved agency are required for steel construction in accordance with Chapter 17 of the IBC. Field verification of all existing dimensions and elevations is mandatory prior to steel fabrication to account for potential camber or deflection in existing structural elements that could affect crane beam installation elevation.

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COM_MWW_PS6BoilerRoomCraneBeam_Spec_2605_V2_0730.pdf PDF
BID_-_PW_PS6_Boiler_Room_Crane_Beam.pdf PDF
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Text version

(E) JOIST GIRDER

(E

W x1 9w

1/

2" x8

B

T M

P

LA

T E

(E

W x2 w

1/ 2" x8

B T

M P

LA

T

E

(E

W x2 w

1/ 2" x8

B T

M P

LA

T

E

(E

W x2

(E

W x2

(E

W x1

(E

W x1

(E

W x2

(E

W x2

(E

W x1

NEW W

10x30 CRANE BEAM

2'-0"

(E) W18X50(E) W16X45

(E

W x2

(E

W x1 6.

(E) X-BRACING

NEW ANGLE BRACE

(4 TOTAL)

S-102

7'-4" VIF 7'-4" VIF 7'-4" VIF 6'-5 1/2" VIF

VIF

6'-5 1/2"

W8X18

1' -0

2' -0

CANTILEVER CRANE BEAM

12" PAST HSS TUBE

'-4

V

IF

S-102

S-102

S-102

S-102

OUTLINE OF EXISTING

PLATFORM BELOW

OUTLINE OF EXISTING

PLATFORM BELOW

CRANE BEAM (SEE PLAN)

NEW 3/8" STIFFENER EACH

SIDE OF BEAM CENTERED

ABOVE HSS TUBE1/4"x4"x4" PLATE

(E) ROOF DECK

(E) BEAM (SEE PLAN)

(E) BEAM (SEE PLAN)

L3x3x1/4 BRACE

3/16

3/16

TYP

1/4 1 1/2"

EA END

1/2"x8" BTM PLATE

1/2"x8" BTM PLATE

1/4 3-12

TYP

3" STD PIPE x 6" LG

1/2"x6"x9" PLATE w/

(4) 3/4" DIA BOLTS

1/4

EA END

TACK WELD NUT OR

DAMAGE THREADS

AFTER INSTALL

*CONTRACTOR HAS THE OPTION TO PROVIDE STEEL

SHIM PLATES BTWN CRANE BEAM & BTM PLATE,

MATCHING BTM PLATE SIZE TO ALLOW FOR LEVEL

CRANE BEAM INSTALLATION. MAXIMUM SHIM PLATE

THICKNESS SHALL BE 3/8". COORDINATE w/ EOR IF

THICKER SHIM IS REQUIRED.

1/4 8

ABOVE HSS

BEAM (SEE PLAN)

3" STD PIPE x 8-1/2" LG

CRANE BEAM (SEE PLAN)

1/2"x6"x9" PLATE w/

(4) 3/4" DIA BOLTS

1/4

EA END

2"

(E) ROOF DECK

(E) BEAM (SEE PLAN)

L4x3x5/16 x 5" LG EA

SIDE AT EA END 1/4

3-SIDES

TYP

(E) BRICK WALL

(E) BEAM INSET INTO

EXISTING BRICK WALL

PROVIDE L3x3x5/16 x 4"

LG CRANE STOPS EA

SIDE OF BM WEB AT EA

END OF CRANE BEAM

(COORD w/ HOIST

MANUFACTURER)

TACK WELD NUT OR

DAMAGE THREADS

AFTER INSTALL

*CONTRACTOR HAS THE OPTION TO PROVIDE STEEL

SHIM PLATES BTWN CRANE BEAM & BTM PLATE,

MATCHING BTM PLATE SIZE TO ALLOW FOR LEVEL

CRANE BEAM INSTALLATION. MAXIMUM SHIM PLATE

THICKNESS SHALL BE 3/8". COORDINATE w/ EOR IF

THICKER SHIM IS REQUIRED.

NEW 3/8" STIFFENER EACH

SIDE OF BEAM CENTERED

ABOVE HSS TUBE

CRANE BEAM (SEE PLAN)

1/2"x8" BTM PLATE

3" STD PIPE x 6-1/2" LG

1/2"x6"x8" PLATE w/

(4) 3/4" DIA BOLTS

1/4

EA END

(E) BEAM (SEE PLAN)

L3x3x1/4 BRACE

3/16

1/4 3-12

TYP

1/4 1 1/2"

EA END

PROVIDE L3x3x5/16 x 4"

LG CRANE STOPS EA

SIDE OF BM WEB AT EA

END OF CRANE BEAM

1/4

3-SIDES

TACK WELD NUT OR

DAMAGE THREADS

AFTER INSTALL

*CONTRACTOR HAS THE OPTION TO PROVIDE STEEL

SHIM PLATES BTWN CRANE BEAM & BTM PLATE,

MATCHING BTM PLATE SIZE TO ALLOW FOR LEVEL

CRANE BEAM INSTALLATION. MAXIMUM SHIM PLATE

THICKNESS SHALL BE 3/8". COORDINATE w/ EOR IF

THICKER SHIM IS REQUIRED.

8"

6"

(E) STL BEAM

1/2

1/2" PLATE REINFORCEMENT

1/4 6 AT PLATE ENDS Project Number

Original Issue

Sheet Number

Sheet Name

Project Status

Project Designer

Project Manager

Structural Engineer

A

B

C

D

12345

A

B

C

D

I hereby certify that this plan, specifications, or report was prepared by me or under my direct supervision and that I am a duly licensed Professional Engineer under the laws of the State of Minnesota.

DATE: REG NO:

PRINT NAME:

SIGNATURE:

BRANDON CLARK

5-22-2026 60507

5/

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D oc s:

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C ity of M pl s_

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6_ B oi le r_ R m _C ra ne

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B oi le r R oo m

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S-102

ROOF FRAMING PLAN

AND DETAILS

City of Minneapolis Department of Public Works PS6 Boiler Room Crane

ISSUED FOR CONSTRUCTION

4100 Marshall St. NE

Minneapolis, MN 55421

10463327

05/22/2026

1601 Utica Avenue South, Suite 600 St. Louis Park, MN 55416

(763) 591-5400

Andrew Atkins

Maxwell Ludington

Brandon Clark

1/4" = 1'-0"

PARTIAL BOILER ROOM ROOF FRAMING PLAN

3/4" = 1'-0" 2

DETAIL

ABBREVIATIONS

@ AT

AB ANCHOR BOLTS

ADDL ADDITIONAL

AFF ABOVE FINISH FLOOR

AFG ABOVE FINISH GRADE

ARCH ARCHITECTURAL

BKT BRACKET

BL BASE LINE

BM BEAM

BN BOUNDARY NAILING

BOF BOTTOM OF FOOTING

BOT BOTTOM

BP BASE PLATE

BRG BEARING

BSMT BASEMENT

BTWN BETWEEN

CANT CANTILEVER

CG CENTER OF GRAVITY

CIP CAST IN PLACE

CJ CONSTRUCTION OR CONTROL JOINT

CJP COMPLETE JOINT PENETRATION

CL CENTER LINE

CLR CLEARANCE, OR CLEAR

CMU CONCRETE MASONRY UNIT

COL COLUMN

CONC CONCRETE

CONN CONNECTION

CONST CONSTRUCTION

CONT CONTINUOUS OR CONTINUED

CTR CENTER

C TO C CENTER TO CENTER

DBA DEFORMED BAR ANCHOR

DBL DOUBLE

DET DETAIL

DIA DIAMETER

DIAG DIAGONAL

DIM DIMENSION

D DEAD LOAD

DO DITTO

DWG DRAWING

DWL DOWEL

EA EACH

EE EACH END

EF EACH FACE

EFF EFFECTIVE

EJ EXPANSION JOINT

EL ELEVATION

ELEC ELECTRICAL

EMB EMBEDMENT, EMBEDDED

EN EDGE NAILING

EOS EDGE OF SLAB

EQ EQUAL

ES EACH SIDE

EW EACH WAY

EXP EXPANSION

EXIST EXISTING

EXT EXTERIOR

FD FLOOR DRAIN

FDN FOUNDATION

FLR FLOOR

FN FIELD NAILING

FS FAR SIDE

FT FEET

FTG FOOTING

FUT FUTURE

FV FIELD VERIFY

GA GAGE OR GAUGE

GALV GALVANIZED

GC GENERAL CONTRACTOR

GR GRADE

HK HOOK

HORIZ HORIZONTAL

HS HEADED STUD

HSB HIGH STRENGTH BOLT

HSS HOLLOW STRUCTURAL SECTION

ID INSIDE DIAMETER

IF INSIDE FACE

IJ ISOLATION JOINT

IN INCHES

INFO INFORMATION

INT INTERIOR

JT JOINT

K KIPS

KSF KIPS PER SQUARE FOOT

ABBREVIATIONS (CONTINUED)

L LIVE LOAD

LE LEFT END

LF LINEAR FEET

LLH LONG LEG HORIZ

LLV LONG LEG VERT

LOC LOCATION

LONG LONGITUDINAL

LWT LIGHTWEIGHT

MATL MATERIAL

MAX MAXIMUM

MEP MECHANICAL, ELECTRICAL, PLUMBING

MECH MECHANICAL

MFR MANUFACTURER

MIN MINIMUM

MISC MISCELLANEOUS

MO MASONRY OPENING

MTL METAL

NOM NOMINAL

NS NEAR SIDE

NTS NOT TO SCALE

NWT NORMALWEIGHT

OC ON CENTER

OD OUTSIDE DIAMETER

OF OUTSIDE FACE

OPNG OPENING

OPP OPPOSITE

OSL OUTSTANDING LEG

PAF POWER ACTUATED FASTENER

PJP PARTIAL JOINT PENETRATION

PL PLATE

PLBG PLUMBING

PLF POUNDS PER LINEAR FOOT

PR PAIR

PREFAB PREFABRICATED

PRL PARALLEL

PSF POUNDS PER SQUARE FOOT

PSI POUNDS PER SQUARE INCH

PVMT PAVEMENT

R RADIUS

RD ROOF DRAIN

RE RIGHT END

REF REFER TO

REV REVISION

REINF REINFORCEMENT

REQD REQUIRED

RO ROUGH OPENING

SCH SCHEDULE

SECT SECTION

SEOR STRUCTURAL ENGINEER OF RECORD

SEPN SEPARATION

SF SQUARE FEET

SIM SIMILAR

SMS SHEET METAL SCREW

SOG SLAB ON GRADE

SOMD SLAB ON METAL DECK

SPA SPACING, SPACES

SPEC SPECIFICATION

SQ SQUARE

SSL SHORT SLOTTED HOLES

STD STANDARD

STIFF STIFFENER

STRUCT STRUCTURAL

SYM SYMMETRICAL

T & B TOP AND BOTTOM

TEMP TEMPERATURE

TO TOP OF

TOC TOP OF CONCRETE

TOF TOP OF FOOTING

TOS TOP OF STEEL

TOW TOP OF WALL

TYP TYPICAL

UNO UNLESS NOTED OTHERWISE

VERT VERTICAL

W/ WITH

W WIND LOAD

WLD WELDED

W/O WITHOUT

WT WEIGHT

WWF WELDED WIRE FABRIC

GENERAL

A. SCOPE

THE NOTES ON THIS SHEET AND THE STANDARD STRUCTURAL DETAILS ARE GENERAL AND APPLY TO THE ENTIRE PROJECT WHETHER SPECIFICALLY CALLED OUT OR NOT, EXCEPT WHERE THERE ARE SPECIFIC INDICATIONS TO THE CONTRARY ON STRUCTURAL SHEETS. IF THERE ARE QUESTIONS, THEY SHALL BE SUBMITTED TO THE STRUCTURAL ENGINEER AND ANSWERED IN

WRITING PRIOR TO CONSTRUCTION.

B. APPLICABLE SPECIFICATIONS AND CODES

A. 2020 MINNESOTA BUILDING CODE, IBC 2018 WITH APPLICABLE EDITIONS OF THE CODE REFERENCED STANDARDS.

B. ASCE 7-16

C. ACI 318-14

D. AISC 360-10

E. AWS D1.1

F. LOCAL JURISDICTION AMENDMENTS

C. DESIGN CRITERIA

A. DEAD LOAD:

a. ACTUAL TRIBUTARY STRUCTURE WEIGHT

b. SUPERIMPOSED DEAD LOAD: 40 PSF

B. LIVE LOAD:

a. ROOF: 20 PSF (NOT REDUCIBLE)

b. CRANE CAPACITY: 1 TON

C. SNOW:

a. GROUND SNOW LOAD; Pg: 50 PSF

b. [FLAT ROOF SNOW LOAD; Pf: 35 PSF

c. EXPOSURE FACTOR; Ce: 1.0

d. IMPORTANCE FACTOR; Is: 1.0

e. THERMAL FACTOR; Ct: 1.0

D. THE CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS AND ELEVATIONS OF EXISTING CONSTRUCTION AS REQUIRED TO

COORDINATE NEW CONSTRUCTION. SUBMIT REQUIRED CHANGES FOR APPROVAL.

E. THE CONTRACT STRUCTURAL DRAWINGS REPRESENT THE FINISHED STRUCTURE. MEANS AND METHODS ARE THE RESPONSIBILITY OF THE CONTRACTOR. CONTRACTOR TO PROVIDE ALL BRACING AND SHORING AS REQUIRED TO PROTECT THE

STRUCTURE, WORKMEN OR OTHER PERSONS DURING CONSTRUCTION.

F. STRUCTURAL DRAWINGS MUST NOT BE SCALED. PRINTED DIMENSIONS HAVE PRECEDENCE OVER SCALED DRAWINGS AND LARGE

SCALE OVER SMALL SCALED DRAWINGS.

STEEL

1. DESIGN STRENGTHS:

WIDE FLANGE AND TEES: Fy= 50 KSI HSS SQUARE OR RECTANGULAR: Fy= 46 KSI PIPE: Fy= 35 KSI ALL OTHER PLATES AND SHAPES: Fy= 36 KSI BOLTS Fu = 120,000 ASTM325 w/ ASTM A563 NUTS WELD ELECTRODE Fu = 70,000 PSI

2. DIMENSIONS:

TO CENTERLINES OF COLUMNS AND BEAMS, TOP SURFACES OF BEAMS AND TUBES AND BACKS OF CHANNELS AND ANGLES UNO.

3. FABRICATION & ERECTION OF STRUCTURAL STEEL MEMBERS ARE TO BE IN ACCORDANCE WITH AISC CODE OF STANDARD

PRACTICE.

4. WHEN FILLET WELD SIZE IS NOT INDICATED, PROVIDE MAXIMUM WELD SIZE BASED ON MATERIAL THICKNESS IN ACCORDANCE

WITH AISC SPECIFICATIONS.

5. ALL WELDING MUST BE PERFORMED IN ACCORDANCE WITH AWS REQUIREMENTS.

6. ALL BOLTED STRUCTURAL CONNECTIONS ARE BEARING TYPE CONNECTIONS UNLESS OTHERWISE SPECIFIED TO BE SLIP-

CRITICAL. PROVIDE LOAD INDICATING WASHERS AT SLIP-CRITICAL CONNECTIONS.

7. CONFORM TO AISC 360, STEEL CONSTRUCTION MANUAL.

8. ALL STEEL TO BE PRIME PAINTED IN THE SHOP. TOUCH UP ALL DISTURBED AREAS AFTER ERECTION.

9. CUTTING OF EXISTING STRUCTURAL STEEL IS PROHIBITED WITHOUT THE APPROVAL FROM THE ENGINEER.

10. SHOP DRAWINGS SHALL BE SUBMITTED FOR REVIEW PRIOR TO FABRICATION. PRIOR TO SUBMITTAL, THE CONTRACTOR SHALL REVIEW THE SHOP DRAWINGS AND MAKE ANY CORRECTIONS REQUIRED. THE CONTRACTOR SHALL STAMP AND SIGN THE DRAWINGS AS EVIDENCE OF REVIEW. THE TURN AROUND TIME FOR SHOP DRAWINGS SHALL BE TWO WEEKS FROM DATE

RECEIVED IN THE ENGINEER'S OFFICE.

SPECIAL INSPECTION

1. THE OWNER MUST EMPLOY ONE OR MORE APPROVED AGENCIES TO PERFORM INSPECTIONS DURING CONSTRUCTION ON THE

TYPES OF WORK LISTED UNDER SECTION 1705 OF THE IBC REQUIRING VERIFICATION AND INSPECTION. THESE INSPECTIONS ARE IN ADDITION TO THE INSPECTIONS DEFINED IN SECTION 110. THE INSPECTING AGENCY MUST PROVIDE REPORTS OF THE SPECIAL

INSPECTIONS DIRECTLY TO THE OWNER.

THE FOLLOWING IS A LIST OF INSPECTIONS THAT SHALL BE PERFORMED IN ACCORDANCE WITH CHAPTER 17 OF THE IBC.

A. STEEL CONSTRUCTION: 1705.2

N

3/4" = 1'-0" 3

DETAIL

3/4" = 1'-0" 4

DETAIL

NOTE: CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS AND

ELEVATION OF THE EXISTING STRUCTURE PRIOR TO STEEL

FABRICATION. EXISTING STEEL BEAMS MAY HAVE CAMBER OR EXISTING

DEFLECTION THAT NEEDS TO BE ACCOUNTED FOR TO ENSURE THE

CRANE BEAM GETS INSTALLED AT A CONSTANT ELEVATION.

3D AERIAL IMAGE OF PROJECT LOCATION

1 1/2" = 1'-0"

BOTTOM PLATE SPLICE DETAIL

VICINITY MAP

PROJECT LOCATION

MARK DATE DESCRIPTION

Sheets
S-102 - ROOF FRAMING PLAN AND DETAILS

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