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REQUEST FOR INFORMATION

Stonebridge – Marriott Residence Inn

Project #: M2288

924 Howell St. Seattle, WA 98101

RFI #: 002

Date Created: 4/27/2016

Author Company

Authored By

Answer Company

Answered By

Auburn Mechanical 2623 West Valley Hwy. N Auburn, WA 98001

David Halseth

Mortenson 10230 NE Points Dr. Kirkland, WA 98033

Erin Erwin

Subject SCL Transformer Room – Exhaust Fans Cost Impact No

Schedule Impact No

Discipline Plumbing

Category External

Impact Comments There is no anticipated schedule or cost impact based on this RFI.

Question Document Referenced: Mechanical 90% CD Set Attachments: Mechanical 90% CD Set Markup (Sheet M105), FN-2-6 and FN-2-7 Submittals

Date Required: 5/4/2016

Due to drive aisle clearance issues, the SCL vault cooling fan previously located in the garage has been replaced by two down-blast type exhaust fans on the low roof (at Level 2). Please confirm that the location shown for the fans, per the markup of M105, is architecturally and structurally acceptable. Please note that the opening at each fan location will be about 30” x 30” (see attached fan submittal dimensions). In addition, based on the attached fan submittals, please confirm with SCL if the airflow to the transformer room produced by these fans is acceptable. Suggestion

Answer

Date Answered: __________

PO Box 249 | Auburn, WA 98071 | P 253.838.9780 | F 253.833.1384 Revised 4/28/2016

JOHNSON BRAUND 1

2

3

4

5

6

7

INC.

15200 52nd Ave. South Suite 300 Seattle, WA 98188 Phone 206.766.8300

8

www.johnsonbraund.com

ARCHITECTURE

1

2

3

4

5

6

7

INTERIOR DESIGN

8

Greg L. Allwine, AIA Jeffrey A. Williams, AIA

A

PREFUNCTION 201 PREFUNCTION

BOARDROOM BOARDROOM 209 209

EXTERIOR TERRACE 211

201

EXTERIOR TERRACE 211

B WOMENS 208

II

WOMENS 208

SET ISSUANCE NO.

CONFERENCE ROOM 212

MENS 207

CONFERENCE ROOM CONFERENCE 213 ROOM 213

MENS 207

DATE

DESCRIPTION

1

12.8.2015

PHASE 1 - STRUCTURE TO GRADE PERMIT SET

2

1.12.2016

PHASE 2 - STRUCTURE ABOVE GRADE PERMIT SET

3

2.2.2016

PHASE 3 - PERMIT SET

4

2.23.2016

ELECTRICAL PERMIT SET

5

4.8.2016

90% CD SET

JJ

CORRIDOR 200

MEETING ROOM 202 MEETING ROOM 202

MEETING ROOM MEETING ROOM 203 203

ELECTRICAL ELECTRICAL 214 214 316 SF

ELEV. ELEV.#1 #1 ELEV-1 ELEV-1

ELEC./ A.V. ELEC./ 216 A.V. 216

B.O.H. 218

DN UP STAIR #2 ST-2

ELEV. #2 ELEV. ELEV-2#2 ELEV-2

STORAGE STORAGE 206 206

WARMING WARMING KITCHEN KITCHEN 205 205

ELEV. #3 ELEV. #3 ELEV-3 ELEV-3

STAIR STAIR #1 #1 ST-1 ST-1

FAMILY RESTROOM 222

B.O.H. 218 UP

DN

FITNESS CENTER 221 SERVICE HALLWAY 204

Description

C

D

STAMP

CONFERENCE ROOM 212

SERVICE HALLWAY 204 FITNESS CENTER 221

KING K-R18 KING228 K-R18 228

Rev#

ICE MACHINE ALCOVE, PROVIDE FLOOR SINK & HEAT EXHAUST

Date

GUEST LAUNDRY GUEST LAUNDRY 225 225

E GENERATOR ENCLOSURE

GENERATOR EXHAUST

DN

KING K-R17 230

KING K-L16 KING 229K-L16 229

F GENERATOR TAILPIPE MIN, 36" FROM WALL

STUCCO SOFFIT

FUEL TANK NORMAL & EMERGENCY VENTS

4/8/2016 4:53:45 PM, M105 MECHANICAL PLAN - LEVEL 2.DWG, Grant Young

Owner Applicant STONEBRIDGE COMPANIES

924 HOWELL ST. SEATTLE, WA 98101

Project Address

Auburn RFI-02 New Fans for SCL Vault Cooling.

PROJECT #:

1428

DRAWN BY:

TB,DT,TS,MG

CHECKED BY:

MECHANICAL PLAN LEVEL 2

MECHANICAL PLAN - LEVEL 2 SCALE:

M105

1/8" = 1'-0"

NORTH

THESE DRAWINGS WERE PREPARED FOR THE "SEATTLE MARRIOTT RESIDENCE INN" PROJECT IN SEATTLE,

KING K-R17 230

RSR,HMK

Printed Date: 4/27/2016 Job: Marriott Residence Inn - Terry and Howell Mark: FN-2-6 thru FN-2-7 (add)

Model: GB-180-15

35.5

Belt Drive Centrifugal Roof Exhaust Fan

*

Dimensional Quantity Weight w/o Acc's (lb)

100

Weight w/ Acc's (lb)

128

Max T Motor Frame Size

184

Roof Opening (in.)

28

2

5.5

20.5 x 20.5

30

1.75

*Overall height may be greater depending on motor

Performance Requested Volume (CFM)

3,600

Actual Volume (CFM)

3,600

External SP (in. wg)

0.75

Total SP (in. wg)

0.75

Fan RPM

1123

Operating Power (hp)

0.99

Elevation (ft)

30

Airstream Temp.(F)

70

Air Density (lb/ft3)

0.075

Drive Loss (%)

6.2

Tip Speed (ft/min)

5,439

Static Eff. (%)

46

Motor Motor Mounted

Yes

Size (hp) Voltage/Cycle/Phase

1 1/2 460/60/3

Enclosure

ODP

Motor RPM

1725

Windings NEC FLA* (Amps)

1 3

Notes:

Sound Power by Octave Band Sound Data Inlet

62.5

125

250

500

81

78

81

75

CAPS 4.20.1398

1000 2000 4000 8000 LwA 69

69

65

57

78

dBA Sones 66

14.9

All dimensions shown are in units of in. *NEC FLA - based on tables 430.248 or 430.250 of National Electrical Code 2014. Actual motor FLA may vary, for sizing thermal overload, consult factory. LwA - A weighted sound power level, based on ANSI S1.4 dBA - A weighted sound pressure level, based on 11.5 dB attenuation per Octave band at 5 ft - dBA levels are not licensed by AMCA International Sones - calculated using AMCA 301 at 5 ft

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Printed Date: 4/27/2016 Job: Marriott Residence Inn - Terry and Howell Mark: FN-2-6 thru FN-2-7 (add)

Model: GB-180-15 Belt Drive Centrifugal Roof Exhaust Fan Standard Construction Features: - Aluminum housing - Backward inclined aluminum wheel - Curb cap with prepunched mounting holes - Motor and drives isolated on shock mounts Birdscreen - Ball bearing motors - Adjustable motor pulley - Adjustable motor plate - Fan shaft mounted in ball bearing pillow blocks - Bearings meet or exceed temperature rating of fan - Static resistant belts - Corrosion resistant fasteners Sizes 141 and larger have internal Lifting lugs

Selected Options & Accessories: NEMA Premium Efficient Motor - meets NEMA Table 12-12 Motor VFD Rated without Shaft Grounding Protection UL/cUL 705 Listed - "Power Ventilators" Roof Curb-Galv., GPI-30-G12, Under Sized 1.5 in. Total Birdscreen: Aluminum Bearings with Grease Fittings, L10 life of 100,000 hrs (L50 avg. life 500,000 hrs) Unit Warranty: 1 Yr (Standard)

CAPS 4.20.1398

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Printed Date: 4/27/2016 Job: Marriott Residence Inn - Terry and Howell Mark: FN-2-6 thru FN-2-7 (add)

Assembly Drawing Type: Belt Drive Centrifugal Roof Exhaust Fan

18.0 SQ

Max.Exhaust Duct Size

20.5 SQ

Suggested Roof Opening

TOP VIEW 35.5

28.0 40.0 5.5

30.0

1.8

12.0

Flat Roof Curb NOTE: Overall height may be greater depending on motor

FRONT VIEW

Notes: All dimensions shown are in units of in..

CAPS 4.20.1398

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Printed Date: 4/27/2016 Job: Marriott Residence Inn - Terry and Howell

Standard Construction Features:

Roof Curb

Model: GPI

- Roof Curb fits between the building roof and the fan mounted directly to the roof support structure - Constructed of either 18 ga galvanized steel or 0.064 in. aluminum - Straight Sided without a cant - 2 in. mounting flange - 3 lb density insulation Height - Available from 8 in. to 42 in. as specified in 0.5 in. increments. Notes: - The maximum roof opening dimension should not be greater than the "Actual" top outside dimension minus 2 in.. - The minimum roof opening dimension should be at least 2.5 in. more than the damper dimension or recommended duct size. - The Roof Opening Dimension may NOT be the Structural Opening Dimension. - Damper Tray is optional and must be specified. Tray size is same as damper size. - Security bars are optional and must be specified. Frames and gridwork are all 12 ga steel. Gridwork is welded to the frame and the frame is welded to the curb.

Roof Curb Configuration: ID #: 49

Tag: FN-2-6 thru FN-2-7 (add)

Qty:

Curb Cap W x L:

Actual W x L:

Flange W:

Flange L:

Height:

Step Hgt:

Damper Tray W x L:

2

30 x 30

28.5 x 28.5

32.5

32.5

12

N/A

x

Notes: All dimensions shown are in units of in.

CAPS 4.20.1398

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