M-301.pdf

PDF 655 KB Posted Dec 3, 2021

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

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Written by GovTribe AI · Apr 3, 2024

This document is a mechanical floor plan for the HVAC ductwork remodel of the Maslow Building located at 500 Monroe Street, Medford, OR 97501. The project involves the replacement and rerouting of ductwork throughout the building, including connecting new ductwork to existing air handling units, furnishing new exhaust fans, and modifying the air distribution system. The work will be completed in accordance with the specifications and details provided in the floor plan.

The document outlines the scope of the HVAC ductwork replacement, including key notes describing the various ductwork modifications and equipment installation. It provides details on the air handling unit economizer controls, flue venting, return air ductwork, and exhaust fan requirements. The mechanical contractor will be responsible for coordinating the HVAC work with other trades, suspending equipment and ductwork from the building structure, and ensuring proper vibration isolation and seismic bracing.

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Other files

File	Type	Posted
2. A101-2017 - Sample Contract - Copy~1.pdf	PDF	Dec 3, 2021
ITB 21-00-26 Maslow Ductwork-HVAC Replacement.pdf	PDF	Dec 3, 2021
M-501.pdf	PDF	Dec 3, 2021
2. MSD General Conditions~1.pdf	PDF	Dec 3, 2021
3. A201-2017 - Gen Conditions - Copy~1.pdf	PDF	Dec 3, 2021
Procurement Information~29.docx	DOCX document	Dec 3, 2021
M-001.pdf	PDF	Dec 3, 2021
M-201.pdf	PDF	Dec 3, 2021

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10" FLUE

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AutoCAD SHX Text %%uGENERAL NOTES

AutoCAD SHX Text FIRE CAULK ALL DUCT AND PIPE PENETRATIONS THROUGH SMOKE OR FIRE-RATED WALLS AND FLOORS, SEE ARCHITECTURAL.

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VERIFY THERMOSTAT LOCATIONS WITH OWNER, TYPICAL.

AutoCAD SHX Text ROUTE ALL DUCT EXPOSED AND ABOVE CEILING WHERE APPLICABLE, UNLESS OTHERWISE NOTED.

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AutoCAD SHX Text VERIFY ALL EQUIPMENT LOCATIONS, DUCT ROUTINGS, AND DEVICE PLACEMENTS IN THE FIELD.

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AutoCAD SHX Text COORDINATE HVAC WORK WITH LIGHTING, PLUMBING, STRUCTURAL, FIRE SPRINKLERS, AND ARCHITECTURAL FEATURES OCCURRING IN THE SAME SPACES.

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PROVIDE FLEXIBLE DUCT TRANSITIONS FOR ALL MECHANICAL EQUIPMENT.

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SEE MECHANICAL DETAILS FOR LOW PRESSURE DUCT CONSTRUCTION INFORMATION.

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AutoCAD SHX Text FIELD VERIFY ALL DIMENSIONS AND ROUTING. ADJUST ROUTING AS NEEDED AND UPDATE AS BUILT PLANS FOR THE OWNER.

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CLEAN EQUIPMENT CONDENSATE PANS AND PIPES.

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AutoCAD SHX Text FURNISH AIRFLOW VOLUME DAMPERS IN ALL SUPPLY, RETURN, AND EXHAUST BRANCH TAKE OFFS. SYSTEM AIRFLOW VALUES SHALL BE VERIFIED AND ADJUSTED BY A QUALIFIED BALANCER. PROVIDE THE OWNER WITH THE FINAL BALANCE REPORT.

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AutoCAD SHX Text SUSPEND MECHANICAL EQUIPMENT AND DUCTWORK FROM THE BUILDING STRUCTURE. PROVIDE VIBRATION ISOLATION DAMPERS FOR ALL MECHANICAL EQUIPMENT. SEISMIC BRACING AND STRUCTURAL SUPPORT DESIGN TO BE PROVIDED BY OTHERS.

AutoCAD SHX Text DUCT ROUTING IS SCHEMATIC. THICKER LINES REPRESENT NEW DUCTING AND THINNER LINES REPRESENT EXISTING DUCTING. ADDITIONAL OFFSETS MAY BE REQUIRED TO ROUTE DUCTWORK AROUND STRUCTURAL MEMBERS, LIGHT FIXTURES, FIRE SPRINKLER, HYDRONIC, AND PLUMBING PIPING, ELECTRICAL CONDUIT, OR OTHER OBSTACLES AS THE ATTIC SPACE ABOVE THE CEILING IS VERY LIMITED IN SOME AREAS. COORDINATE DUCT INSTALLATION WITH ALL OTHER TRADES INCLUDING PLUMBING AND ELECTRICAL.

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AutoCAD SHX Text RE-BALANCE SUPPLY, RETURN, AND EXHAUST DUCTING PER THE VALUES SHOWN ON THE PLANS. CLEAN AND INSPECT EXISTING BALANCING DAMPERS FOR CONTINUED USE. REMOVE AND REPLACE DAMPERS AS NEEDED.

AutoCAD SHX Text REMOVE AND REPLACE EXISTING GRILLES. CLEAN GRILLE CANS AND DUCTWORK FOR REUSE. REMOVE AND REPLACE ANY PORTION THAT CANNOT BE REUSED. BRING ALL DUCTWORK INSULATION UP TO LATEST CODE REQUIREMENTS SHOWN ON SHEET M-001. REPLACE ALL INSULATION THAT CANNOT BE REUSED. CONTRACTOR TO PROVIDE COST ADDER DURING THE BIDDING PHASE AND COORDINATE ALL MAJOR CHANGES WITH THE GC AND OWNER'S REPRESENTATIVE.

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%%UKEYED NOTES

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AutoCAD SHX Text REMOVE EXISTING MAIN TRUNK CONNECTIONS AND CONNECT NEW DUCT AS SHOWN. VERIFY FINAL DUCT DIMENSIONS AND ADJUST AS NEEDED.

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CONNECT NEW DUCT AS SHOWN. VERIFY FINAL DUCT DIMENSIONS AND ADJUST AS NEEDED.

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AutoCAD SHX Text USE EXISTING MAIN TRUNK CONNECTIONS AND CONNECT NEW DUCT AS SHOWN. REMOVE AND REPLACE DUCT TAKE OFF TAPS THAT DO NOT MEET THE NEW LAYOUT. VERIFY FINAL DUCT DIMENSIONS AND ADJUST AS NEEDED.

AutoCAD SHX Text AHU IS FURNISHED WITH 100% ECONOMIZER AND EXHAUST FAN RELIEF. 1.1. ECONOMIZER SHALL BE ENABLED WHENEVER THE ECONOMIZER SHALL BE ENABLED WHENEVER THE OUTSIDE AIR TEMPERATURE IS LESS THAN 67 DEG F (ADJUSTABLE). 1.2. THE ECONOMIZER SHALL BE DISABLED AND RETURN THE ECONOMIZER SHALL BE DISABLED AND RETURN TO NORMAL OPERATION WHENEVER THE OUTSIDE AIR TEMPERATURE IS BELOW 50 DEG F (ADJUSTABLE) OR WHENEVER THE OUTSIDE AIR TEMPERATURE IS ABOVE 68 DEG F (ADJUSTABLE). 1.3. WHEN ECONOMIZER IS ENABLED, THE RETURN WHEN ECONOMIZER IS ENABLED, THE RETURN DAMPER SHALL CLOSE AND THE RELIEF DAMPER SHALL OPEN. 1.4. THE EXHAUST FAN SHALL TURN ON WHENEVER THE THE EXHAUST FAN SHALL TURN ON WHENEVER THE ECONOMIZER IS IN 100% OPERATION AND TURN OFF WHEN THE ECONOMIZER MODE IS DISABLED. 1.5. WHEN THE ECONOMIZER IS DISABLED THE RETURN WHEN THE ECONOMIZER IS DISABLED THE RETURN DAMPER SHALL BE FULLY OPEN AND THE RELIEF DAMPER SHALL BE FULLY CLOSED.

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AutoCAD SHX Text REROUTE EQUIPMENT FLUE VENTS AS SHOWN AND CONNECT TO 10" COMMON FLUE VENT. USE DOUBLE WALL TYPE BVENT FOR ALL VENT PIPES AND CONNECTIONS. MAINTAIN CLEARANCE FROM COMBUSTIBLES AND VENT ABOVE ROOF AS REQUIRED BY CODE. FINAL PLACEMENT OF ROOF VENT SHALL BE 10'-0" FROM ANY BUILDING FRESH AIR INTAKE. VERIFY ROUTING IN THE FIELD AND ADJUST AS NEEDED. COORDINATE FINAL ROOF VENT CAP WITH VENT PIPE MANUFACTURER.

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AutoCAD SHX Text ROUTE SUPPLY DUCT BELOW THE RETURN DUCT. PROVIDE OFFSETS AND ADJUST ROUTING BASED ON FIELD CONDITIONS.

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AutoCAD SHX Text ROUTE NEW RETURN DUCT DOWN THE SHAFT AND CONNECT TO THE EXISTING WALL GRILLE. PROVIDE DUCT PLENUM, TRANSITIONS, AND OFFSETS AS NEEDED. ADJUST ROUTING BASED ON FIELD CONDITIONS.

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AutoCAD SHX Text ROUTE NEW RETURN DUCT AS SHWON AND CONNECT TO EXISTING DUCT SHAFT. PROVIDE DUCT TAKE OFF TAP, TRANSITIONS, AND OFFSETS AS NEEDED. ADJUST ROUTING BASED ON FIELD CONDITIONS.

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AutoCAD SHX Text AHU-4 SERVES THE IT ROOM AND WILL REMAIN AS IS. NO WORK IS REQUIRED ON THIS UNIT AND THIS AREA.

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AutoCAD SHX Text AC-1 SERVES THE OFFICE 111 AND WILL REMAIN AS IS. NO WORK IS REQUIRED ON THIS UNIT AND THIS AREA.

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AutoCAD SHX Text FURNISH GREENHECK EXHAUST FAN AND CONNECT TO DUCTWORK AS SHOWN. FAN SHALL TURN ON DURING OCCUPIED HOURS AND SHUT DOWN DURING UNOCCUPIED HOURS.

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AutoCAD SHX Text ROUTE EXHAUST DUCT UP TO THE ROOF AND CONNECT TO EXISTING ROOF CAP. PROVIDE DUCT TRANSITION AND ADJUST ROUTING AS NEEDED.

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AutoCAD SHX Text EXISTING RELIEF DUCT AND DAMPER TO REMAIN. CONNECT TO NEW EXHAUST DUCT AND ROUTE TO THE EXHAUST FAN. COORDINATE DAMPER OPERATION WITH UNIT ECONOMIZER CONTROL.

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AutoCAD SHX Text CLEAN AND MAINTENANCE AIR HANDLER CASING, FAN, FURNACE, REFRIGERATION LOOP, AND COOLING COIL. CHECK OPERATION AND NOTIFY OWNER OF ANY MAJOR EQUIPMENT DEFICIENCIES OR REPAIR REQUIREMENTS. REPLACE EXISTING FILTER WITH NEW MERV-8 OR BETTER FILTER.

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AutoCAD SHX Text CLEAN AND MAINTENANCE CONDENSING UNIT CASING, FAN, AND REFRIGERATION LOOP. CHECK OPERATION AND NOTIFY OWNER OF ANY MAJOR EQUIPMENT DEFICIENCIES OR REPAIR REQUIREMENTS.

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AutoCAD SHX Text ROUTE EXHAUST DUCT UP TO THE ROOF AND CONNECT TO GREENHECK GRSR-10 ROOF CAP. PROVIDE DUCT TRANSITION AND ADJUST ROUTING AS NEEDED.

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AutoCAD SHX Text FURNISH GREENHECK EXHAUST FAN AND SUSPEND FROM THE STRUCTURE. PROVIDE VIBRATION ISOLATION AND SEISMIC BRACING. STRUCTURAL DESIGN BY OTHERS. PROVIDE DUCT TRANSITION AND ADJUST ROUTING AS NEEDED IN THE FIELD.

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AutoCAD SHX Text ROUTE EXHAUST DUCT UP AND CONNECT TO THE EXISTING WALL LOUVER. PROVIDE DUCT PLENUM AND TRANSITIONS AS NEEDED.

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AutoCAD SHX Text ROUTE EXHAUST DUCT UP AND OVER TO THE EXHAUST FAN. KEEP DUCT UP HIGH TO ALLOW FOR MAINTENANCE OF EQUIPMENT BELOW. ADJUST ROUTING AS NEEDED.

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SCALE:

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MECHANICAL FLOOR PLAN

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RENEWS: DECEMBER 31, 2022

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OREGON

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Sheets and Views

M-301

	2021-11-17T11:27:29-0800
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.