CHABOT- LAS POSITAS COMMUNITY COLLEGE DISTRICT

Transcription

1 1 CHABOT- LAS POSITAS COMMUNITY COLLEGE DISTRICT Facilities Planning & Management Department October 25, 2010 Addendum No. 09.R INVITATION FOR BID NO.: Modernization of Classroom Building 300 Chabot College All Prospective Bidders: This addendum is issued to clarify, add, delete, correct and/or change the contract 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. The original Bid Documents are modified by the revision as follows: 1. GENERAL CLARIFICATIONS: Refer to the attached for Addendum no. 09.R. If you have any questions regarding this Addendum No.09.R, please contact the Office of the Facilities Planning & Management in writing, via facsimile or . All other terms and conditions of BID No are to remain the same Franklin Drive, Pleasanton, California Tel. (925) FAX (925)

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6 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 , 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 , 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: ADDENDUM NO. 9-5 HMC chabot-las positas

7 a. CPI Seismic Frame Two Post Rack with CPI Evolution G2, 8 wide, 7 high, Double-Sided Vertical Cable Manager b. B-Line Advantage Seismic Relay Rack SB FB with CPI Evolution G2, 8 wide, 7 high, Double-Sided Vertical Cable Manager c. Hoffman ESDR19FM45U with CPI Evolution G2, 8 wide, 7 high, Double-Sided Vertical Cable Manager 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. b. Or equal. Item No. AD Reference Section , Communications Termination Blocks And Patch Panels A. Revise Subparagraph 2.1.A.3. to read as: 3. Manufacturer a. Systimax 360 GigaSPEED X10D Patchmax GS5 Modular Patch Panel. (District Standard). B. Revise Subparagraph 2.2.C.3. to read as: 3. Manufacturer: a. Systimax 360 G2 Series (District Standard). Item No. AD Reference Section , Communications Indoor Backbone Cabling A. Revise Subparagraph 2.2.B.5.a to read as: a. Systimax LAZRSPEED 550 (District Standard) ADDENDUM NO. 9-6 HMC chabot-las positas

8 B. Revise Subparagraph 2.2.C.5.a to read as: a. Systimax TERASPEED (District Standard). C. Revise Subparagraph 2.2.E.7.a to read as: a. Loose Tube: i. Systimax LazrSPEED 550 Multimode and TeraSpeed Singlemode Loose Tube Cable (District Standard). D. Revise Subparagraph 2.2.F.7.a to read as: a. Systimax LazrSPEED 550 Multimode and TeraSpeed Singlemode (District Standard). Item No. AD Reference Section , Communications Outside Plant Backbone Cabling A. Revise Subparagraph 2.2.E.7.a to read as: a. Loose Tube: i. Systimax LazrSPEED 550 Multimode and TeraSpeed Singlemode Loose Tube Cable (District Standard). Item No. AD Reference Section , Communications Horizontal Cabling 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 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. AD Reference Section , 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 ADDENDUM NO. 9-7 HMC chabot-las positas

9 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 First & Second Floor Demo Plan A2.1-A Building First & Second Floor Plan A3.1-A Building First & Second Floor Reflected ceiling Plan A4.1-A Building Roof Plan A5.1-A Building Exterior Elevations A6.1-A Building Building Section A7.3-A Building Enlarged Plans & Elevations A8.1-A Building Interior Elevations A8.2-A Building 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. AD 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. AD 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. AD 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.S ADDENDUM NO. 9-8 HMC chabot-las positas

10 Item No. AD 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. AD M0.1.1 Building 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 Notes column accordingly. Item No. AD9-1.30: Reference Drawing M0.3 Mechanical Schedules Find attached re-issued drawing M0.3 showing the following revisions: 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 ADDENDUM NO. 9-9 HMC chabot-las positas

11 Item No. AD9-1.32: Reference Drawing M0.6 Mechanical Schedules Find attached re-issued drawing M0.6 showing the following revisions: A. Added EF-301 to Roof-Mounted Centrifugal Exhaust Fan Schedule. B. Added GR-301, 302 and 303 to Gravity Hood Schedule. B. Removed Ceiling Exhaust Fan Schedule. Item No. AD9-1.33: Reference Drawing M0.7 Mechanical Schedules Find attached re-issued drawing M0.7 showing the following revisions: A. Added CC-301 through CC-307 to Ductless Split Cooling Only Schedule. Item No. AD9-1.34: Reference Drawing M1.1 Bldg. 300 Mechanical First Floor Demolition Plan Find attached re-issued drawing M1.1 showing the following revisions: A. Entire sheet revised. Item No. AD9-1.35: Reference Drawing M1.2 Bldg Mechanical Second Floor Demolition Plan Find attached re-issued drawing M1.2showing the following revisions: A. Entire sheet revised. Item No. AD9-1.36: Reference Drawing M1.3 Bldg Mechanical Roof Demolition Plan Find attached re-issued drawing M1.3 showing the following revisions: A. All Sheet Notes revised. B. Louvered roof penthouse revised as demolished. Item No. AD9-1.37: Reference Drawing M2.1 Bldg. 300 Mechanical First Floor Plan Find attached re-issued drawing M2.1 showing the following revisions: A. Entire sheet revised except Cleaning Notes Existing Duct Systems. Item No. AD9-1.38: Reference Drawing M2.2 Bldg. 300 Mechanical Second Floor Plan Find attached re-issued drawing M2.2 showing the following revisions: A. Entire sheet revised. Item No. AD9-1.39: Reference Drawing M2.3 Bldg. 300 Mechanical Roof Plan ADDENDUM NO HMC chabot-las positas

12 Find attached re-issued drawing M2.3 showing the following revisions: A. Entire sheet revised. Item No. AD9-1.40: Reference Drawing M4.1 Bldg. 300 Mechanical First Floor Piping Plan Find attached re-issued drawing M4.1 showing the following revisions: A. Entire sheet revised except Cleaning Notes Existing Piping Systems. Item No. AD9-1.41: Reference Drawing M4.2 Bldg. 300 Mechanical Second Floor Piping Plan Find attached re-issued drawing M4.2 showing the following revisions: A. Entire sheet revised except Cleaning Notes Existing Piping Systems. Item No. AD9-1.42: Reference Drawing M5.1 Mechanical Details Find attached re-issued drawing M5.1 showing the following revisions: A. Note added to Details 4/M5.1 and 5/M5.1. Item No. AD9-1.43: Reference Drawing M5.2 Mechanical Details Find attached re-issued drawing M5.2 showing the following revisions: A. Added Details 5/M5.2, 6/M5.2, 7/M5.2 and 8/M5.2. Item No. AD9-1.44: Reference Drawing M5.3 Mechanical Details 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: A. Added duct smoke detector to Detail 5/M ADDENDUM NO HMC chabot-las positas

13 B. Revised note 4 on Detail 5.M6.2. Item No. AD9-1.47: Reference Drawing M6.3 Mechanical Control Diagrams Find attached re-issued drawing M6.3 showing the following revisions: A. Removed reference to Building 300 from Detail 2/M6.3. B. Added Detail 4/M6.3. Item No. AD9-1.48: Reference Drawing M6.4 Mechanical Control Diagrams Find attached re-issued drawing M6.4 showing the following revisions: A. Added Detail 5/M6.4. PLUMBING DRAWINGS Item No. AD9-1.49: Reference Drawing P0.1 - Plumbing Legend, Schedule, and Notes Find attached re-issued drawing P0.1 showing the following revisions: A. Revised Plumbing Fixture Schedule. Item No. AD9-1.50: Reference Drawing P1.1 Bldg. 300 Plumbing First and Second Floor Demo. Plans Find attached re-issued drawing P1.1 showing the following revisions: A. Entire sheet revised. Item No. AD9-1.51: Reference Drawing P2.1 Bldg. 300 Plumbing First Floor Plan Find attached re-issued drawing p2.1 showing the following revisions: A. Entire sheet revised. Item No. AD9-1.52: Reference Drawing P2.2 Bldg. 300 Plumbing Second Floor Plan Find attached re-issued drawing P2.2 showing the following revisions: A. Entire sheet revised. Item No. AD9-1.53: Reference Drawing P3.1 Plumbing Details Find attached re-issued drawing P3.1 showing the following revisions: A. Detail 4/P3.1 replaced ADDENDUM NO HMC chabot-las positas

14 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: ADDENDUM NO HMC chabot-las positas

15 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 ADDENDUM NO HMC chabot-las positas

16 Item No. AD9-1.67: Reference Drawing F3.0, Diagrams find attached re-issued drawing AD9-F1 and AD9-F2 showing the following revisions: A. Revised riser diagram with associated changes to first and second floor fire alarm plans. Item No. AD9-1.68: Reference Drawing F4.0, Schedules find attached re-issued drawing AD9-F3 and AD9-F4 showing the following revisions: A. Revised fire alarm calculations with associated changes to first and second floor fire alarm plans. Item No. AD9-1.69: Reference Drawing F4.1, Schedules find attached re-issued drawing AD9-F5 and AD9-F6 showing the following revisions: A. Revised fire alarm calculations with associated changes to first and second floor fire alarm plans. TELECOMMUNICATION DRAWINGS Item No. AD9 1.70: Reference Drawing T0.2, Symbol, Pull Box And Jbox Schedules find attached re-issued drawing T0.2 showing the following revisions: A. Revised data, telephone and WAP symbols as shown on Addendum Drawing AD9- T1. Item No. AD9 1.71: Reference Drawing T2.1-A, Building First & Second Floor Demolition Plan find attached re-issued drawing T2.1-A showing the following revisions: A. Revised layout of the data outlets in the re-configured first and second floor plans. B. Revised keynotes. Item No. AD9 1.72: Reference Drawing T2.1-C, Building Device Schedule find attached re-issued drawing T2.1-C showing the following revisions: A. Revised the device schedule. Item No. AD9 1.73: Reference Drawing T3.1-A, Building First & Second Floor Reflected Ceiling Plan find attached re-issued drawing T3.1-A showing the following revisions: A. Revised cable tray layout. B. Revised quantity and layout of the projector mounts. C. Revised keynotes ADDENDUM NO HMC chabot-las positas

17 Item No. AD Reference Drawing T7.1, Bldg MDF/ IDF1.1 Enlarged Plans & Elevations find attached re-issued drawing T7.1 showing the following revisions: A. Details 1 & 2 - Revised existing and new enlarged plans. B. Detail 3 Revised reflected ceiling plan. C. Details 4 to 9 Revised as shown. D. Revised/Added demolition notes. Item No. AD9 1.75: Reference Drawing T7.2, Bldg IDF2.1 Enlarged Plans & Elevations find attached re-issued drawing T7.2showing the following revisions: 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 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: A. Revised copper single line diagram ADDENDUM NO HMC chabot-las positas

18 Item No. AD9 1.80: Reference Drawing T9.1, Device Details find attached re-issued drawing T9.1 showing the following revisions: A. Details 1 to 5 - Revised/Added the various data and voice outlets. B. Added detail 9, Flat Panel TV Back Box. HMC ARCHITECTS ADDENDUM NO HMC chabot-las positas

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