M-501.pdf

PDF 352 KB Posted Dec 3, 2021

Attached to: ITB 21-00-26 Maslow Ductwork Replacement
Solicitation number: S-P15549-00001412
Issued by: Jackson County, Oregon

About this file

Written by GovTribe AI · Apr 3, 2024

This document is a mechanical schedule and details sheet related to a state and local contract opportunity for the replacement of ductwork at the Maslow building located at 500 Monroe, Medford, Oregon 97501. The project involves the specification of outside air ventilation and exhaust requirements, a grille, register, and diffuser schedule, and a fan schedule for the building's HVAC system. The contract opportunity, identified as ITB 21-00-26 Maslow Ductwork Replacement, is being issued by Jackson County, Oregon.

The document provides detailed technical information about the ductwork, airflow requirements, equipment schedules, and installation requirements for the HVAC system upgrade at the Maslow building. It does not contain information about pricing, set-asides, funding sources, or other commercial terms. The contract opportunity is focused on the technical specifications and construction details for the ductwork replacement project.

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3. A201-2017 - Gen Conditions - Copy~1.pdf	PDF	Dec 3, 2021
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M-001.pdf	PDF	Dec 3, 2021
M-201.pdf	PDF	Dec 3, 2021

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21-1180 Sheet No.:

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Job No:

NOVEMBER 16, 2021

Date:

REVISIONS

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M-501

OUTDOOR AIR VENTILATION AND EXHAUST REQUIREMENTS PER OMSC 2019

OUTSIDE AIR REQUIREMENTS EXHAUST AIR REQUIREMENTS

FAN

SYSTEM

SPACE

DESCRIPTION Room

Area

(SQ.FT.)

Number of Rooms

Occupents per Room

CFM per Occupent

CFM per SQ.

FT.

Required OSA

CFM

Total Required

OSA CFM

Quantity of Room CFM/ft2 CFM/Room Required

CFM

Design CFM

AHU-1

Office 101 177 1 2 5.0 0.06 26

Office 102 160 1 2 5.0 0.06 25 - - - -

Conference 103 262 1 6 5.0 0.06 57 - - - -

Office 104 170 1 2 5.0 0.06 25 - - - -

Corridor 108 202 1 0 0.0 0.06 15 - - - -

Lobby 121 481 1 2 5.0 0.06 49 - - - -

AHU-2

Office 105 244 1 2 5.0 0.06 31

Office 106 170 1 2 5.0 0.06 25 - - - -

Common Area 107 611 1 4 5.0 0.06 71 - - - -

Breakroom 109 120 1 2 5.0 0.06 22 -

Corridor 114 96 1 0 5.0 0.06 7 - - - -

AHU-3

Corridor 112 198 1 0 5.0 0.06 15

Office 113 131 1 2 5.0 0.06 22 - - - -

Pantry 118 495 1 2 5.0 0.06 50 - - - -

Storage 119 707 1 0 5.0 0.06 53 - - - -

EF-1

Restroom 100 84 - - - - - - 1 - 100 100

250Restroom 116 127 - - - - - - 1 - 100 100

Janitor 122 53 - - - - - - 1 - 50 50

(1) VENTILATION REQUIREMENTS PER OMSC 2019 SECTION 403

(2) EXHAUST PER OMSC 2019 SECTION 403 AND TABLE 403 REQUIREMENTS

GRILLES, REGISTERS, DIFFUSERS SCHEDULE

AIRFLOW

CFM

NECK THROW FRAME

TAG SERVICE MFR MODEL SIZE SIZE PATTERN MATERIAL STYLE FINISH NOTES

SD-1 SUPPLY TITUS, OR EQUAL TDC 40-250 12X12 6", 8", 10" DIA. 4-WAY STEEL SURFACE WHITE (1)(3)

SD-2 SUPPLY TITUS, OR EQUAL TDC 25-295 12X12 8", 10" DIA. 4-WAY STEEL SURFACE WHITE (1)(3)

SD-3 SUPPLY TITUS, OR EQUAL 350RL 25 6X6 4" DIA. 1-WAY STEEL SURFACE WHITE (1)(3)

RG-1 RETURN TITUS, OR EQUAL 350RL 150-180 12X12 8", 10" DIA. - STEEL T-BAR WHITE (1)(2)(3)

RG-2 RETURN TITUS, OR EQUAL 350RL 200-300 14X14 10" DIA. - STEEL T-BAR WHITE (1)(2)(3)

EG-1 EXHAUST TITUS, OR EQUAL 350RL 100 12X12 8" DIA. - STEEL T-BAR WHITE (1)(3)

EG-2 EXHAUST TITUS, OR EQUAL 350RL 50 10X10 6" DIA. - STEEL SURFACE WHITE (1)(3)

(1) CONTRACTOR SHALL PROVIDE SQUARE-TO-ROUND ADAPTOR AS NEEDED TO MATCH DUCT SIZES, SEE PLANS FOR SIZE.

(2) PAINT INTERIOR OF DIFFUSER BLACK.

(3) COORDINATE FINAL COLOR SELECTION WITH THE ARCHITECT AND GC.

FAN SCHEDULE

MODEL FAN

CFM FLOW

ESP MOTOR ELECTRICAL WEIGHT AREA

TAG MFR. NUMBER TYPE IN. H20 DRIVE RPM VOLTS PHASE HP SONES (LBS) NOTES SERVED LOCATION

EF-1 GREENHECK SQ-090-VG CENTRI. 250 0.40 DIRECT 1502 115 1 1/10 7 50 (1)(2)(3) RESTROOM, AND JANITORIAL ROOM INLINE

EF-2 GREENHECK SQ-140-VG CENTRI. 1,500 0.50 DIRECT 1097 115 1 3/4 9 90 (1)(2)(3) AIR HANDLER RELIEF INLINE

(1) PROVIDE WITH VARI-GREEN EC MOTOR WITH 0-10 VDC INPUT SIGNAL, NEMA-1 DISCONNECT SWITCH, WIRING PIGTAIL, BACKDRAFT DAMPER, AND SPRING HANGING ISOLATORS.

(2) ESP DOES NOT INCLUDE BACKDRAFT DAMPER.

(3) EF-1 SHALL TURN ON DURING OCCUPIED HOURS AND TURN OFF AT UNOCCUPIED HOURS. PROVIDE FAN WITH GRAVITY BACKDRAFT DAMPER.

(4) EF-2 SHALL TURN ON WHEN THE ECONOMIZER IS ENABLED AND TURN OFF WHEN THE ECONOMIZER IS DISABLED.

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RENEWS: DECEMBER 31, 2022

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OREGON

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VANES SHALL BE DOUBLE VANE TYPE.

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WHEN W EQUALS W AND W IS GREATER THAN 20"

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3/4" TRAILING EDGE.

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1 1/2" MAXIMUM SPACE BETWEEN VANES AND A

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ALL SINGLE VANES SHALL HAVE A 2" RADIUS,

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VANE TYPE REGARDLESS OF W DIMENSION.

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WHEN W DOES NOT EQUAL W VANE SHALL BE SINGLE

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INSTALLED AS DETAILED BY SMACNA.

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%%UDUCTWORK SQUARE VANED ELBOWS

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ALL VANED ELBOWS SHALL BE CONSTRUCTED AND

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%%UNOTES:

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UNLESS OTHERWISE INDICATED ON PLANS, MAXIMUM ANGLES SHOWN SHALL APPLY.

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%%UPLAN OR SIDE VIEW

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%%UTYPICAL DUCTWORK TRANSITION WITH

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%%UEQUIPMENT MOUNTED IN DUCT

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AIR FLOW

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%%UPLAN OR SIDE VIEW

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%%UTYPICAL DUCTWORK TRANSITION

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EQUIPMENT

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%%UNOTE:

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%%USUPPLY DUCTWORK TAKE-OFFS

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%%UBRANCH DUCT TAKE-OFF

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%%UPLAN VIEW

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MAIN SUPPLY DUCT

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1/4 W OR

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PROVIDE VOLUME DAMPER

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WHEN SHOWN ON FLOOR PLANS

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4" MIN.

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1/4W OR 4" MIN.

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MAIN EXHAUST OR RETURN

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WHEN SHOWN ON FLOOR PLANS

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PROVIDE VOLUME DAMPER

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%%UEXHAUST OR RETURN BRANCH DUCTWORK

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BRANCH DUCT

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%%UPLAN VIEW

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SHEET METAL AS

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SPECIFIED FOR

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BOLT ON 4" CENTERS

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1" FLANGE & HEM

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%%URECTANGULAR FLEXIBLE CONNECTION

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WASHER

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ON FAN SIDE.

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FLANGED CONNECTION

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OF BOLT

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ALTERNATE POSITION

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BAND IRON

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NOMINAL WITH MATERIAL TAUT.

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MAX. INSTALLED. 6"

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1-1/2" MIN. TO 3"

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DUCTWORK.

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AS SPECIFIED

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FLEXIBLE MATERIAL

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POCKET SLIP

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DUCT

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20 MAX.° MAX.

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20 MAX.° MAX.

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30 MAX.° MAX.

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30 MAX.° MAX.

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15 MAX.° MAX.

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15 MAX.° MAX.

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SCALE:

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LOW PRESSURE DUCT CONSTRUCTION DETAILS

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NONE

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SHEET METAL AS SPECIFIED FOR DUCTWORK.

Sheets and Views

M-501

	2021-11-17T10:18:45-0800
Juan Moreira, P.E.
I am the author of this document

File details come from the government source that posted it. Updated Apr 3, 2024.