d - Amendment 2 - Spec and Drawing Clarifications.pdf

08/01/2022 Bend Seed Extractory Amendment #2 – 1240BH22R0018 Page - 1/5

Bend Seed Extractory Amendment #2 RFP 1240BH22R0018

1. AMENDMENT #2 REVISED DESCRIPTION OF WORK (1.01)

1.01 REVISED DESCRIPTION OF WORK

A. BSE Project generally consists of the following but not limited to these items:

1. The following description are supplemental to the summary in 01 10 00 page 1 & 2.

2. This project involves electrical, mechanical, and site improvements at multiple buildings at the Bend Seed Extractory, Deschutes National Forest, Bend, OR (Deschutes County). Government operations shall be occurring on site and in associated existing buildings throughout the entirety of construction. Including the following:

3. Demolishing of 4 existing industrial motor control panels in four buildings

4. Furnishing Installation of new sensors and equipment.

5. Furnishing and installation of 4 new industrial control panels with both electromechanical, PLC and HMI controls in UL508 listed control panels and software programming in four buildings.

6. Reconnecting all existing motor controls and sensors to four new control panels

7. Furnishing Installation and programming of an operator computer, firewall, and internet system for monitoring existing web based controllers in two buildings and associated network wiring and connection to onsite ISP at main office building.

8. Furnishing and installation of a mini-split air condition system in one building.

9. Furnishing Installation of new feeders and branch circuits to multiple panels in four buildings.

10. Furnishing Installation of a clean agent fire extinguishing system and a new fire alarm panel in two buildings and equipment interconnections to this system.

11. Furnishing and installation of a 70KW Diesel generator and fuel tank and automatic transfer switch.

12. Furnishing Installation of a new sewage pump station distribution system to a city sewer and upgrades to an existing sewage pump station

13. Furnishing Installation of a humidification system in three existing tree coolers including three control panels, plumbing, piping and an air compressor.

2. AMENDMENT # 2 DRAWINGS (2.01 – 2.18 ARE MODIFICATIONS AND/OR

CLARIFICATIONS TO THE EXISTING DRAWING)

2.01 PROJECT CONSTRUCTION DRAWINGS & REFERENCE DRAWINGS

A. Project construction drawings in bid drawings set are pages 1-80 in PDF. PDF Pages 81- 168 reference older existing construction drawings and are not as-built. These reference drawings are provided for contractor to see some equipment to be modified and are not intended to show all equipment or current conditions.

08/01/2022 Bend Seed Extractory Amendment #2 – 1240BH22R0018 Page - 2/5

2.02 THE FOLLOWING ARE MODIFICATIONS/CLARIFICATIONS FOR SPECIFIC DRAWING

SHEETS:

2.03 C-03

A. Existing pump station control panel. Replace existing motor stater overload elements to match new sewage grinder pumps current rating.

2.04 F-01

A. Add to note 4, 5/F-01 Activation of clean agent alarm shall shut down unit cooler fans and condensing units. Contract to field verify connections to existing control system. These interlocks are not shown on control panel in seed freezer schematics building 2229 panel “F”.

2.05 F-02

A. Add to note 4 4/F-02 Activation of clean agent alarm in building 2226 shall shut off all equipment and motors in control panel “A” and dust collection system fan system which is not shown on drawings. These control interlocks are not shown on control panel “A” schematics. Contractor to add these interlocks.

2.06 E-02

A. Add note to interlock clean agent panel alarm to shut down unit coolers and condensing unit in an alarm condition.

B. Contractor must verify field connections required, schematic of existing controls for these units are not available.

2.07 E-03

A. Add new note Hex15 Activation of clean agent alarm in building 2226 shall shut off all equipment and motors in control panel “A” and dust collection system fan system which is not shown on drawings. These control interlocks are not shown on control panel “A” schematics.

2.08 E-03

A. Contractor to make as-built panel directories of all power panels in building 2226 in XLS format and insert into final record drawings showing all circuit in building and revise panel director at each panel. Submit both XLS panel directories and DWG drawings containing as-built directories.

2.09 E-03

A. Locations of new Fire alarm panel Hex 10 and new clean agent panel Hex 9. Verify if NEC required 42” clearance from new control panel 480VAC “A” and control panel “is provided. If 42” is not available, move panels to alternate location. Coordinate with Government on alternate location.

2.10 E-05

A. Drawing shows two exhaust fans in coolers “A” and two (2) exhaust fans Cooler “B” on sheet E-05. There is only one exhaust fan in Cooler “A” and one exhaust fan in Cooler B The control drawings for new panel “E” shows only one fan in cooler “A” and one fan in cooler “B” is correct.

2.11 E-06

A. Hex 4 note. Add: Existing sewage pump station explosion proof plugs are to be reused with new sewage grinder pumps. Install new pump cord to existing plugs. Power wiring and control wiring from existing control panel is to be reused to transclosure.

08/01/2022 Bend Seed Extractory Amendment #2 – 1240BH22R0018 Page - 3/5

2.12 E-09

A. At desk location on upper left side top of drawing, provide a wall mounted double hinged swing out 19” data rack containing a rack mounted fire wall, network switch and a CAT6 patch panel for Ethernet connections to seed extractory building and to cooler C&D panel control panel “E” Rack shall be lockable with a cooling fan, and contain a 1kva UPS.

Provide separate dedicated 20A circuit from nearest power panel. This equipment rack and a UPS to power operator computer and network equipment s in specification 27 00 01.

This rack and UPS is not shown on drawings.

2.13 E-17

A. These following notes applies to all control schematic drawings and panel layout sheets for external and internal components sheets and is not repeated on drawings control panel sheets E12- E-65, PDF page 27– 80.

1. See 260900 and division 40 for complete control panel requirements. Both of these specifications apply to all new control panels.

2. Control bid schematics do not show all wire numbers. Provide unique wire numbers on each control and power conductor at each end on both schematic diagrams and on physical wiring diagram created by panel builder. Bid drawings set does not show all wire numbers, contractor is to add all wire numbers.

3. Show all pin / device termination numbers on schematic and wiring diagrams for all control devices, control boards, relays, motor starters breakers, fuses, circuit breaker and all other devices that have factory identification terminal or pin numbers.

4. Provide unique engraved plastic nameplates for all control panel door mounted devices and all internal control panel devices, both power and control devices.

Nameplate shall match schematic and wiring diagrams equipment labels. Each control component shall have a unique name on each sheet of schematic and wiring diagram.

5. Add callouts for voltages on all control and power busses on each sheet of control schematics. Some busses do not show control voltage

6. All new control panels are to have a door interlocked disconnect switch for each system voltage to prevent panel doors from opening until power to panel is shut off.

This is not identified on panel layout or schematic drawings. Add this mechanical door interlock to each panel main disconnect switch

7. Contractor to verify all FLA of all existing motors and provide matching overload relay devices. Add FLA to all schematic diagrams for all motors.

2.14 E-27

A. Add Open-Close-Auto damper front panel three position selector swathes for the 7 damper motors shown on this sheet. SD-1-5 & RD 6-9 Add a green door mounted open light on each of the seven PLC outputs to these damper motors to indicate dampers are open.

2.15 E-36

A. Use 600V rated cross connect conductors from lightning arrestor punch down blocks to panel “A” enclosure as this panel is 480V rated.

2.16 E-45

A. Use 600V rated cross connect conductors from lightning arrestor punch down blocks to panel “A” enclosure as this panel is 480V rated.

08/01/2022 Bend Seed Extractory Amendment #2 – 1240BH22R0018 Page - 4/5

B. Provide a barrier from telephone terminations on lightning protectors to line voltage wiring in panel, none is shown.

2.17 E-51

A. Use 600V rated cross connect conductors from lightning arrestor punch down blocks to panel enclosure components as this panel is 480V rated.

B. Provide a barrier from telephone terminations on lightning protectors to line voltage wiring in panel, none is shown.

2.18 E-57

A. Use 600V rated cross connect conductors from lightning arrestor punch down blocks to panel enclosure components as this panel is 480V rated.

B. Provide a barrier from telephone terminations on lightning protectors to line voltage wiring in panel, none is shown.

3. AMENDMENT #2 SPECIFICATIONS (3.01 – 3.06 ARE MODIFICATIONS TO

THE EXISTING SPECIFICATIONS)

3.01 01 33 00

A. All submittals shall be dated and all folders used to upload submittals shall be dated with year. Month, day e.g. 20220729-SubmittalTitleSectionNo.-001. Include reference specification section number in all submittals.

B. All submittals in electronic form shall be provided to the Government on the BOX system for file transfer. Details to be supplied after award. Files to the Government will be placed in ToGov folder, files from Government to contractor will be placed in FromGov folder.

3.02 01 78 23

A. Add 1.2 B3: Provide as-built updated electronic format AutoCAD DWG and PDF format drawings of all contract bid set of drawings and all new shop drawings required for all control system and other systems showing all changes made during construction.

1. Provide all final drawings printed in 11x17 format

B. Add 1.2 B4 Provide all custom project specific written documentation for O&M manuals in both PDF and DOCX format for future changes. See each section for specific requirements. Factory made O&M manuals for standard systems are acceptable in PDF format only. This applies to 01 78 39 1.1A3 for written product data also.

3.03 26 05 33

A. 2.1A Add: All conduits and boxes and enclosures used in project shall be ferrous.

Aluminum conduit is not allowed.

3.04 27 00 00

A. 1.8 Remove all Government equipment shown in this section. Contractor is to furnish all network equipment and cables, other that what is shown on drawings per division 26 and 40.

1. A fiber optic cable from the main office to the seed extractory will be used for remote internet connections and several CAT 6 cables to cooler C&D will be use

3.05 40 62 21

A. Add 2.1 D: Provide a HDMI resolution 1910 x 1080 27” desktop monitor, for computer system.

08/01/2022 Bend Seed Extractory Amendment #2 – 1240BH22R0018 Page - 5/5

3.06 40 66 36

A. Change all references from CAT5E to CAT 6 in this entire section 40 66 36.

B. 3.2 Add: firewall will be installed in network rack with other network equipment listed in this section in building #2104 in wall mounted network enclosure.

C. 3.2G Add: Provide a CAT6 24 port 19” patch panel in wall mounted network enclosure rack to terminate CAT6 cables and for connection to network switch, operator computer and firewall/

4. AMENDMENT #2 SECTION 012300 - OPTION ITEMS

4.01 ADD THE FOLLOWING SECTION TO THE SPECIFICATIONS IN ITS ENTIRETY

FOR OPTIONAL ITEMS:

4.02 SUMMARY AND RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section.

B. Refer to PART 1 SECTION B for list of bid items applicable to this project.

4.03 DEFINITIONS

A. Option Item: An amount proposed by bidders and stated on the Bid Form for certain work defined in the Bidding Requirements that may be added to the Base Bid amount if the Government decides to accept the alternate.

1. The Government is not obligated to award option items.

2. The cost for each option item is the net addition to the Base Bid Contract Sum to incorporate option into the Work. No other adjustments are made to the Contract Sum.

B. Contractor shall bid each item. Government will notify successful contractor which option item(s) it elects to accept after award of contract.

4.04 PROCEDURES

A. Coordination: Modify or adjust affected adjacent work as necessary to completely integrate work of the option into Project. Include as part of each option, miscellaneous devices, accessory objects, and similar items incidental to or required for a complete installation whether or not indicated as part of option.

B. Execute accepted options under the same conditions as other work of the Contract.

C. Schedule: A Schedule of Options is included in PART 1 Section B of this Solicitation.

Specification Sections referenced in schedule contain requirements for materials necessary to achieve the work described under each alternate.

END OF SECTION