COMMUNITY COLLEGE DISTRICT Facilities Planning & Management Department CHABOT- LAS POSITAS 5020 Franklin Drive, Pleasanton, California 94588 Tel. (925)485-5287 FAX (925)485-5294 ctober 25, 2010 All Prospective Bidders: his addendum is issued to clarify, add, delete, correct and/or change the contract he original Bid Documents are modified by the revision as follows: 1. GENERAL CLARIFICATIONS: O Addendum No. 09.R INVITATION FOR BID NO.: 11-05 ion of Classroom Building 300 – Chab Modernizat ot College T documents to the extent indicated and is hereby made a part of the above noted contract documents on which the contract will be based. Any modifications/changes made by this addendum affect only the portions or paragraphs specifically identified herein; all remaining portions of the proposal to remain in force. It is the responsibility of all bidders to conform to this addendum. Acknowledge receipt of this addendum in the space provided on the bid form. Failure to do so may subject Bidder to Disqualification. T m no. 09.R. you have any questions regarding this Addendum No.09.R, please contact the Office of • Refer to the attached for Addendu If the Facilities Planning & Management in writing, via facsimile or email. All other terms and conditions of BID No. 11-05 are to remain the same.
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COMMUNITY COLLEGE DISTRICT
Facilities Planning & Management Department
CHABOT- LAS POSITAS
5020 Franklin Drive, Pleasanton, California 94588
Tel. (925)485-5287 FAX (925)485-5294
ctober 25, 2010
All Prospective Bidders:
his addendum is issued to clarify, add, delete, correct and/or change the contract
he original Bid Documents are modified by the revision as follows:
1. GENERAL CLARIFICATIONS:
O
Addendum No. 09.R INVITATION FOR BID NO.: 11-05 ion of Classroom Building 300 – ChabModernizat ot College
Tdocuments to the extent indicated and is hereby made a part of the above noted contract documents on which the contract will be based. Any modifications/changes made by this addendum affect only the portions or paragraphs specifically identified herein; all remaining portions of the proposal to remain in force. It is the responsibility of all bidders to conform to this addendum. Acknowledge receipt of this addendum in the space provided on the bid form. Failure to do so may subject Bidder to Disqualification. T
m no. 09.R.
you have any questions regarding this Addendum No.09.R, please contact the Office of
• Refer to the attached for Addendu
Ifthe Facilities Planning & Management in writing, via facsimile or email. All other terms and conditions of BID No. 11-05 are to remain the same.
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2) The water treatment representative is to install a temporary automatic chemical injection pump for the injection of corrosion inhibitor into each piping system.
3) Water is not to be introduced into any piping system unless it has been treated by the water treatment representative.
4) The water treatment representative is to provide a report at the completion of their work indicating the water chemical analysis at the site, the steps taken in cleaning and chemically treating the water in the system and the chemical analysis of the water in the piping system at the completion of their work.”
F. Part 3 – Execution, J - Cleaning and testing hydronic piping, .3 - Pressure testing, f
f. The following new text has been added, “Pressure testing shall be witnessed and approved by the IOR, District’s representative and the Construction Manager.”
Item No. AD9-1.14: Reference Section 281000, electronic access Control and Intrusion detection
• (1.03) (A): Revise reference from Building 300 to Building 100. • (1.05) (D): Revise paragraph to read:
D. Intrusion detection devices shall be configured and programmed in alarm zones. Alarm zone information shall be coordinated with the District and the Consultant. 1. After-Hours Operation: The ACAMS shall be programmed so that a valid pin code
followed by a valid card read at the designated main entry door shall disarm all alarm zones in the building (the associated zone) and shall momentarily unlock the associated door and then immediately re-lock it while still keeping all other exterior doors locked. . Upon exit, a valid pin code shall re-arm the entire building zone. In those instances where there is more than one exterior card reader on a building, after-hours access will only be possible at the card reader with the key pad at the designated main entry door. All other card readers shall be programmed to be locked out at all times during after hours operation.
2. Business-Hours Operation: The ACAMS shall be programmed to disarm all alarm zones in the building (the associated zone) and Owner-specified exterior (perimeter) doors will unlock. For specific exterior doors, doors shall remain locked and a valid card read shall unlock the door to relock on closure. For specific interior doors as shown on the Drawings, the ACAMS shall be programmed so that a valid card read followed by a valid pin code shall activate an event to unlock the door and the door shall remain unlocked until a second swipe of the card is initiated thus locking the door or after 2 hours as a failsafe. During the transition from business hours to after hours operation, the entire building will arm and all doors will lock.
• (2.02) (D): Add “charcoal grey in color.” • (2.02) (E): Remove section. • (2.02) (F): Add “The color is to be coordinated with the owner.”
Item No. AD9 –1.15: Reference Section 27 11 16, Communications Cabinets, Racks, Frames And Enclosures A. Revise Subparagraph 2.2.B.3 to read as:
“3. Manufacturers, Zone 4 rated assembly - subject to minimum panel opening criteria scheduled above:
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a. CPI Seismic Frame Two Post Rack with CPI Evolution G2, 8” wide, 7’ high, Double-Sided Vertical Cable Manager 35522-703.
c. Hoffman ESDR19FM45U with CPI Evolution G2, 8” wide, 7’ high, Double-Sided Vertical Cable Manager 35522-703.
d. or equal.”
B. Delete Subparagraph 2.2.C.2.d.viii
“viii No side panels.”
C. Revise Subparagraph 2.2.C.2.f to read as:
“f. Multirack installation in a row. Bolt racks together using means provided by manufacturer.”
D. Revise Subparagraph 2.2.C.3 to read as:
“3. Manufacturers: a. Middle Atlantic Products WMRK-4542 Server Rack, with installed accessories:
i. ERK-ST Solid Top. ii. LVFD-WMRK-45 Front Door (Perforated 79% Open Area). iii. MW-CFRD-45 Split Rear Doors with Integrated Fans. iv. Two (2) WMRK-45 Solid Side Panels. v. LACE-44-OP Vertical Lacer Strip, 77 inch, 2 each. vi. LBH-1930-T Horizontal Lacer Strip. vii. WMRK-Z4 Seismic Floor Anchor Brackets. viii GANG-10 Ganging Kit quantity as required. ix. At raised floor conditions, provide SRB Series Seismic Certified Riser Bases.
A. Revise Subparagraph 2.1.A.4.a to read as: “a. Systimax 360 GigaSPEED X10D 2091B Plenum (District Standard).”
B. Revise Subparagraph 2.2.A.4.a to read as: “a. Systimax 360 GigaSPEED X10D MGS600 (District Standard).”
C. Revise Subparagraph 2.2.G to read as:
“G. Patch Cords 1. Data Patch Cords – one 14’ for each station jack and one patch cord for each patch panel
jack, in 7’ lengths (color: blue, category 6A). 2. Fiber Patch Cords – Provide dual SC-LC type patch cord (single mode and multimode) for
every dual patch panel port. Match the fiber specifications called for in Section 27 13 00. 3. Voice Patch Cords –Twenty five (25) patch cords, in 7’ lengths (color: white, category 6A). 4. Manufacturers:
a. Systimax 360 GigaSPEED X10D GS10E (District Standard).”
Item No. AD9 –1.20 Reference Section 27 41 16, Integrated Audio-Video Systems And Equipment
A. Revise Subparagraph 2.1.C.1.a to read as:
“1. Chief Manufacturing RPMA1 Series Inverted LCD/DLP Projector Ceiling Mount with: a. CMA-100 Ceiling Plate. b. CMS Speed-Connect Series Adjustable Extension Columns. Verify length required in the field.
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c. CMA-152 Threaded Pipe Coupler. d. CMA Structural Adapter as required. e. CMA-640 Finishing Ring - Chrome. f. CMA-275 Quick Snap Cable Cover g. Lateral bracing as detailed on Drawing T9.4.”
ARCHITECTURAL DRAWINGS Item No. AD9-1.21: Reference Revised Architectural Drawings A. The following revised drawings are hereby issued: AD9-A1 through AD9-A18. A1.1-A Building 300 - First & Second Floor Demo Plan A2.1-A Building 300 - First & Second Floor Plan A3.1-A Building 300 - First & Second Floor Reflected ceiling Plan A4.1-A Building 300 - Roof Plan A5.1-A Building 300 - Exterior Elevations A6.1-A Building 300 - Building Section A7.3-A Building 300 - Enlarged Plans & Elevations A8.1-A Building 300 - Interior Elevations A8.2-A Building 300 - Interior Elevations A10.10 Specialties Details Item No. AD9-1.22: Reference drawing A7.1, Building 300 & 500 Enlarged Plans & Elevations
A. Added to detail callouts 22/A10.9, 23/A10.9 the note: "typical" STRUCTURAL DRAWINGS Item No. AD9-1.23 Reference drawing S2.1, Building 300 Foundation Plan
A. Provided reference to typical detail for pipe penetrations through existing foundations, see AD-9.S01
Item No. AD9-1.24 Reference drawing S2.2, Building 300 Second Floor Framing Plan
A. Provided new openings in existing concrete slab for mechanical shafts, see AD-9.S03
B. Provided for new cored penetrations through existing concrete slab to accommodate electrical/data floor boxes, see AD-9.S02 & AD-9.S03. C. Showed additional existing mechanical unit to remain, see AD-9.S03 Item No. AD9-1.25 Reference drawing S2.3, Building 300 Roof Framing Plan A. Allowed wall tie/crosstie to be offset from Grid 2 to avoid existing roof hatch, see AD-9.S04
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Item No. AD9-1.26 Reference drawing S3.2, Details
A. New typical detail for infill of existing penetrations in existing second floor concrete slab; see AD-9.S05
MECHANICAL DRAWINGS Item No. AD9-1.27: Reference Drawing M0.1 – Mechanical Legend and Notes Find attached re-issued drawing M0.1 showing the following revisions:
A. Added System Acoustics Notes 1.A. and 1.B.
B. Added Building 300 and 500 First Floor Attic Plenum note.
C. Revised List of Drawings.
Item No. AD9-1.28 M0.1.1 Building 300 - title 24 forms See attached re-issue drawing M0.1.1 showing revised Title 24 Calculations.
Item No. AD9-1.29: Reference Drawing M0.2 – Mechanical Schedules Find attached re-issued drawing M0.2 showing the following revisions:
A. Added Servicing Requirements for Existing Fan Coil Units note.
B. Added Air Handling Unit Schedule. C. Added Existing Fan Coil Unit Notes 4 and 5 to Fan Coil Unit Schedule and revised
A. At Fan Coil Unit Schedule (Cont’d.), revised values at entire “Model” column, entire “Air Quantity (CFM)” column, entire “Voltage / Phase” column and value for FC-311A in “Smoke Detector Required” column.
B. Revised Existing Fan Coil Unit Notes and “Notes” column accordingly.
Item No. AD9-1.31: Reference Drawing M0.5 – Mechanical Schedules Find attached re-issued drawing M0.5 showing the following revisions:
A. Revised all values for CR-301, 302 and 303 at Radiator Schedule.
Find attached re-issued drawing M5.3 showing the following revisions:
A. Added Note 8 on Detail 5/M5.3.
Item No. AD9-1.45: Reference Drawing M6.1 – Mechanical Control Diagrams
Find attached re-issued drawing M6.1 showing the following revisions:
A. Added Detail 4/M6.1 B. Removed reference to bid alternative #1 from Detail 3/M6.1. C. Removed reference to Building 300 from Detail 2/M6.1. D. Revised notes 1 and 4 in Detail 1/M6.1.
Item No. AD9-1.46: Reference Drawing M6.2 – Mechanical Control Diagrams Find attached re-issued drawing M6.2 showing the following revisions:
ELECTRICAL DRAWINGS Item No. AD9-1.54: Reference Drawing E0.0 Find attached re-issued drawing AD9-E1 showing the following revisions:
A. Remove references to phase 1 demolition. Item No. AD9-1.55: Reference Drawing E2.0, Building 300 First Floor Demolition Plan Find attached re-issued drawing E2.0 showing the following revisions:
A. Remove references to phase 1 demolition.
Item No. AD9-1.56: Reference Drawing E3.0, Building 300 First Floor Lighting Plan Find attached re-issued drawing E3.0 showing the following revisions:
A. Revise lighting layout within Rooms 304, 306, 308, 310, 312, 314, 318, 320, 320, 322, 324, 326, 328, and 332.
Item No. AD9-1.57: Reference Drawing E3.1, Building 300 Second Floor Lighting Plan Find attached re-issued drawing E3.1 showing the following revisions:
A. Revise lighting layout within Rooms 307, 309, 311, 315, 317, 319, and 321. See attached E3.1.
Item No. AD9-1.58: Reference Drawing E4.0, Building 300 First Floor Electrical Plan Find attached re-issued drawing E4.0 showing the following revisions: A. Revise power layout within Rooms 304, 306, 308, 310, 312, 314, 318, 320, 320, 322, 324, 326, 328, and 332.
B. Revise connections to mechanical units within central corridor.
C. Revise location for power connections to fire smoke dampers.
D. Revise security layout for revised doors. Item No. AD9-1.59: Reference Drawing E4.1, Building 300 Second Electrical Lighting Plan Find attached re-issued drawing E4.1 showing the following revisions:
A. Revised power layout within Rooms 307, 309, 311, 315, 317, 319, and 321.
B. Revised connections to mechanical units within central corridor.
C. Revised location for power connections to fire smoke dampers.
D. Revised security layout for revised doors.
Item No. AD9-1.60: Reference Drawing E5.0, Schedules Find attached re-issued drawing E5.0 showing the following revisions:
A. Revised panelboard schedules for “3R1”, “3R2”, “3L1”, and “3L2”.
B. Added panel “3R1A”, “3L1A”, and “3L2A”.
Item No. AD9-1.61: Reference Drawing E5.2, Schedules find attached re-issued drawing E5.2 showing the following revisions:
A. Revised equipment schedules for to change Fan Coil Units to 3-phase motors (adjust circuit numbers and wiring accordingly).
B. Added split systems per revised mechanical plans.
Item No. AD9-1.62: Reference Drawing E5.3, Schedules find attached re-issued drawing E5.3 showing the following revisions:
A. Revise panelboard schedules for “3L2”
B. Add panel “3L1A” and “3L2A”. Item No. AD9-1.63: Reference Drawing E6.0, Diagrams find attached re-issued drawing E6.0 showing the following revisions:
A. Revised single line diagram for additional panelboards.
Item No. AD9-1.64: Reference Drawing E6.1, Diagrams find attached re-issued drawing AD9-E2 showing the following revisions:
A. Revised control of corridor and exterior lights through relays located within the EMS panel.
Item No. AD9-1.65: Reference Drawing F2.0, Building 300 First Floor Fire Alarm Plan find attached re-issued drawing F2.0 showing the following revisions:
A. Revised fire alarm layout within Rooms 304, 306, 308, 310, 312, 314, 318, 320, 320, 322, 324, 326, 328, and 332.
B. Revised location of addressable modules to control fire smoke dampers. Item No. AD9-1.66: Reference Drawing F2.1, Building 300 Second Electrical Lighting Plan find attached re-issued drawing F2.1 showing the following revisions:
A. Revised fire alarm layout within Rooms 307, 309, 311, 315, 317, 319, and 321.
B. Revised location of duct smoke detectors to control fire smoke dampers.
A. Detail 1 – Moved conduit sleeves and data outlet for security.
B. Detail 2 – Moved cable tray.
C. Detail 4 – Revised rack elevation.
Item No. AD9–1.76: Reference Drawing T7.5, Building 200 Plan and Elevation find attached re-issued drawing T7.5 showing the following revisions:
A. Revised the sheet in its entirety as shown on Addendum Drawing AD9-T7.
Item No. AD9–1.77: Reference Drawing T7.6, Bldg. 300 - District Server Room 334 Enlarged Plan find attached re-issued drawing T7.6 showing the following revisions:
A. Revised sever rack layout.
B. Revised cable tray layout.
C. Added keynotes E3 and E4.
Item No. AD9–1.78: Reference Drawing T8.1, Fiber Cabling Single Line Diagram find attached re-issued drawing T8.1 showing the following revisions:
A. Revised fiber patch panel in the MDF Room
Item No. AD9–1.79: Reference Drawing T8.2, Copper Cabling Single Line Diagram find attached re-issued drawing T8.2 showing the following revisions:
