ADDENDUM NO.001 Sheet Metal Bid Package Westlake STEM Building MP18/19-72 WHS Page - 1 OF 2 PRE-BID ADDENDUM NO. 001 – Sheet Metal TO THE BID DOCUMENTS FOR THE Westlake High School New STEM Building AT CONEJO VALLEY UNIFIED SCHOOL DISTRICT Project # MP18/19-72-WHS PREPARED BY Ken Thomas September 17, 2020 NOTICE TO BIDDERS: You are hereby notified of the following changes, clarifications or modifications to the original Contract Documents, Project Manual, Drawings, Specifications and subsequent Addenda. This addendum shall supersede the original contract documents, and any previous addenda wherein it contradicts the same and shall take precedence over anything to the contrary therein. All other conditions remain unchanged. The bidders shall acknowledge receipt of this Addendum in the Bid Form, Specification Section 00 21 00. This Addendum consists of 18 pages:
Transcript
ADDENDUM NO.001 Sheet Metal Bid Package Westlake STEM Building
MP18/19-72 WHS Page - 1 OF 2
PRE-BID ADDENDUM NO. 001 – Sheet Metal TO THE BID DOCUMENTS
FOR THE
Westlake High School New STEM Building
AT
CONEJO VALLEY UNIFIED SCHOOL DISTRICT
Project # MP18/19-72-WHS
PREPARED BY
Ken Thomas
September 17, 2020
NOTICE TO BIDDERS: You are hereby notified of the following changes, clarifications or modifications to the original Contract Documents, Project Manual, Drawings, Specifications and subsequent Addenda. This addendum shall supersede the original contract documents, and any previous addenda wherein it contradicts the same and shall take precedence over anything to the contrary therein. All other conditions remain unchanged. The bidders shall acknowledge receipt of this Addendum in the Bid Form, Specification Section 00 21 00. This Addendum consists of 18 pages:
ADDENDUM NO.001 Sheet Metal Bid Package Westlake STEM Building
MP18/19-72 WHS Page - 2 OF 2
Changes to the Project Manual/Specifications: ITEM SECTION DESCRIPTION
1. General RFI For Clarification, please see attached RFI #001 from R & J Sheet Metal and Responses 2. General Bid Date and Time has NOT Changed
Please acknowledge receipt of this Addendum No. 001 by return email to: Ken Thomas – [email protected] Acknowledge this and all Addenda with your bid package on the Bid Form.
ADDENDUM NO. 001- Sheet Metal TO THE BID DOCUMENTS FOR WHS STEM Building – Project # MP18/19-72 WHS
ACKNOWLEDGEMENT: Signature Date Name (Print or Type) Company Name
Conejo Valley Unified School Districtrev 02/16
Page 1 of 1
REQUEST FOR INFORMATION
Date Submitted: Project:
RFI #: Contractor:
Drawing Ref #: School Site:
Spec Section: Subject:
PO #:
Contractor's Question
No <-- Separate Material Sample(s) (Yes/No) (If Yes, describe above)
Contractor's Suggestion Required
No <-- Separate Material Sample(s) (Yes/No) (If Yes, describe above)
Critical (24 Hrs) Change in scope which may affect contract cost or time.
Urgent (48 Hrs) Supplemental instructions not affecting contract cost or time.
Standard (10 Days)
Architect's Response
Arch.Signature: Date:
Per the Contract General Conditions, the Contractor shall not proceed with additive or deductive Work which has change order implications as a
result of this RFI without prior written approval.
R & J SHEET METAL, INC. 11614 Martens River Circle Fountain Valley, Ca. 92708
September 16, 2020 Mr. Ken Thomas Conejo Valley Unified School District 750 Mitchell Road Thousand Oaks, Ca. 91320 Re: Sheet Metal Bid Package The following are sheet metal items found on the architectural plans. Can you please confirm what flashings are part of the Sheet Metal Bid Package. 07 6200 Sheet Metal Flashing and Trim:
1) Ref. detail J10/A501- 24 gage galvanize sheet metal flashing paint by others at 2nd floor deck to wall- is this part of the Sheet Metal Bid Package?
2) Ref. detail A5/A502 & A6,A8,A10,D6,D8,D10,G6,G8,G10/A511- 20 gage (.032 inch) aluminum flashing at head, jamb & sill with end dams of exterior louvers & storefront windows- is this part of the Sheet Metal Bid Package? Should the aluminum material be mill finish- paint by others? Or anodized finish of color as selected per 07 6200 para. 2.01B? If anodized what color? how many colors? & locations of each color?
3) Ref. detail A5/A502, A6,A8,D10/A511, A4/A521 & E4/A531- calls for closure screen/vent screen & trim at cement siding- is this part of the sheet metal bid package? If so what type of material & gage?
4) Ref. detail A4/A521- 20 gage (.032 inch) galvanize aluminum flashing at head of exterior doors- is this part of the Sheet Metal Bid Package? Should the material be aluminum or galvanized mill finish- paint by others? Or aluminum anodized finish of color as selected per 07 6200 para. 2.01B? If anodized what color? how many colors? & locations of each color?
5) Ref. detail A4/A531- 16 gage galvanize metal cap & turn up-jamb paint by others at roof gate sill- is this part of the Sheet Metal Bid Package?
6) Ref. detail A4/A531- 24 gage galvanize sheet metal flashing with removable counter flashing paint by others- Already confirmed in sheet metal pre-bid meeting agenda page 6 of 9 that sheet metal flashing & c/f is by roofing bid package.
7) Ref. detail A7, A10, E7/A531- 20 gage (.032 inch) aluminum coping with continuous cleat with anodize finish or 24 gage galvanize coping with continuous cleat paint by others- Already confirmed in sheet metal pre-bid meeting agenda page 8 of 9 & 9 of 9 that the coping is by the roofing bid package.
8) Ref. detail E2/A531- 24 gage galvanize flashing paint by others at walkway drain- Already confirmed in sheet metal pre-bid meeting agenda page 5 of 9 that the flashing is by the plumbing bid package.
9) Ref. detail E4/A531- 20 gage (.032 inch) aluminum flashing at roof gate jamb- is this part of the Sheet Metal Bid Package? Should the aluminum material be mill finish- paint by others? Or
PE: This is part of sheet metal bid.
PE: This is part of sheet metal bid. Aluminum to be clear anodized finish.
PE: Fiber cement sidings changed to plaster wall as part of value engineering. Exclude closure screen, vent screen and trim associated with fiber cement siding assembly.
PE: This is part of sheet metal bid. Aluminum to be clear anodized finish.
PE: This is part of sheet metal bid.
anodized finish of color as selected per 07 6200 para. 2.01B? If anodized what color? how many colors? & locations of each color?
10) Ref. detail J6,A4/A531- 24 gage galvanize metal flashing collar paint by others at exterior wall penetration- is this part of the Sheet Metal Bid Package?
11) Ref. detail A7/A532- 24 gage galvanize sheet metal flashing paint by others at mechanical equipment platform- is this part of the Sheet Metal Bid Package?
12) Ref. detail A10/A532- 24 gage galvanize sheet metal flashing paint by others at roof hvac curb- Already confirmed in sheet metal pre-bid meeting agenda page 7 of 9 that the flashing is by the roofing bid package.
13) Ref. details A6,D6,D8/A541 & A4,A7,D7,D10,G10/A542- 1/8” continuous formed aluminum at exterior ceilings- is this part of the Sheet Metal Bid Package? Specification section 07 6200 para. 2.01B calls for 20 gage (.032 inch) thick; anodized finish of color as selected? What type of aluminum material are we to use 1/8” thick or .032 inch? If anodized what color? how many colors? & locations of each color?
14) Ref. detail D6,D8/A541 & A4,D10,G10/A542 calls for Trim at wall to soffit of exterior plaster- is this part of the Sheet Metal Bid Package? If so what type of material & gage?
15) Ref. detail D6,D8/A541 & A4,A10,D10,G10/A542- calls for vent screen with weep holes at exterior plaster wall- is this part of the Sheet Metal Bid Package? If so what type of material & gage?
16) Ref. detail A4/A542- 24 gage galvanize sheet metal flashing paint by others at overhang- is this part of the Sheet Metal Bid Package?
17) Ref. detail A8,E5/A562- 20 gage (.032 inch) aluminum flashing at balcony edge- is this part of the Sheet Metal Bid Package? Should the aluminum material be mill finish- paint by others? Or anodized finish of color as selected per 07 6200 para. 2.01B? If anodized what color? how many colors? & locations of each color?
18) Ref. detail D6,D8/A565- Aluminum closure at elevator door head & Jamb- is this part of the Sheet Metal Bid Package? If so what type of material & gage?
19) Ref. detail E10/A625- sheet metal closure where occurs behind louvers- is this part of the Sheet Metal Bid Package? If so what type of material & gage?
Please provide clarification so we can bid the Sheet Metal Bid Package appropriately. Attachments: 07 6200 Sheet Metal Flashing and Trim Specification Sheet Metal Pre-Bid Meeting Agenda If you have any questions please feel free to call me at (714) 597-6452 x24 Sincerely, Carey Sgambellone Estimator R&J Sheet Metal, Inc.
PE: This is part of sheet metal bid. Aluminum to be clear anodized finish.
PE: This is part of sheet metal bid.
PE: This is part of sheet metal bid.
PE: This is part of sheet metal bid. Continuous formed aluminumto be 20 gauge clear anodized finish.
PE: Exclude trim associated withfiber cement siding assemble.
PE: Exclude vent screen associated with fiber cement siding assemble.
PE: This is part of sheet metal bid.
PE: This is part of sheet metal bid. Aluminum to be clear anodized finish.
PE: This is part of sheet metal bid. Aluminum closureto be 20 gauge clear anodized finish.
PE: This is part of sheet metal bid. Sheet metal closureto be 24 gauge galvanized sheet metal.
21777.00 - 3/11/2019
CONEJO VALLEY UNIFIED SCHOOL DISTRICTWESTLAKE HIGH SCHOOL STEM BUILDINGSHEET METAL FLASHING AND TRIM 07 6200 - 1
SECTION 07 6200SHEET METAL FLASHING AND TRIM
PART 1 GENERAL
1.01 SECTION INCLUDES
A. Fabricated sheet metal items, including flashings, counterflashings, gutters, and downspouts.
B. Sealants for joints within sheet metal fabrications.
1.02 RELATED REQUIREMENTS
A. Section 03 3000 - Cast in Place Concrete
B. Section 06 1000 - Rough Carpentry: Wood nailers for sheet metal work.
C. Section 07 9200 - Joint Sealants
1.03 REFERENCE STANDARDS
A. AAMA 611 - Voluntary Specification for Anodized Architectural Aluminum; 2014 (2015 Errata).
B. AAMA 2603 - Voluntary Specification, Performance Requirements and Test Procedures for Pigmented OrganicCoatings on Aluminum Extrusions and Panels (with Coil Coating Appendix); 2017a.
C. ASTM A653/A653M - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated(Galvannealed) by the Hot-Dip Process; 2017.
D. ASTM B209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate; 2014.
E. ASTM B209M - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate (Metric); 2014.
F. ASTM C920 - Standard Specification for Elastomeric Joint Sealants; 2018.
G. ASTM D4586/D4586M - Standard Specification for Asphalt Roof Cement, Asbestos-Free; 2007, with EditorialRevision (2012).
H. CDA A4050 - Copper in Architecture - Handbook; current edition.
I. SMACNA (ASMM) - Architectural Sheet Metal Manual; 2012.
1.04 SUBMITTALS
A. Shop Drawings: Indicate material profile, jointing pattern, jointing details, fastening methods, flashings, terminations,and installation details.
1.05 QUALITY ASSURANCE
A. Perform work in accordance with SMACNA (ASMM) and CDA A4050 requirements and standard details, except asotherwise indicated.
B. Fabricator and Installer Qualifications: Company specializing in sheet metal work with 10 years of documentedexperience.
1.06 DELIVERY, STORAGE, AND HANDLING
A. Stack material to prevent twisting, bending, and abrasion, and to provide ventilation. Slope metal sheets to ensuredrainage.
B. Prevent contact with materials that could cause discoloration or staining.
2 - 07 6200
CONEJO VALLEY UNIFIED SCHOOL DISTRICTWESTLAKE HIGH SCHOOL STEM BUILDING
SHEET METAL FLASHING AND TRIM
PART 2 PRODUCTS
2.01 SHEET MATERIALS
A. Galvanized Steel: ASTM A653/A653M, with G90/Z275 zinc coating; minimum 24 gage, (0.0239 inch) thick basemetal.
B. Aluminum: ASTM B209 (ASTM B209M); 20 gage, (0.032 inch) thick; anodized finish of color as selected.
2.02 FABRICATION
A. Form sections true to shape, accurate in size, square, and free from distortion or defects.
B. Form pieces in longest possible lengths.
C. Hem exposed edges on underside 1/2 inch; miter and seam corners.
D. Form material with flat lock seams, except where otherwise indicated; at moving joints, use sealed lapped,bayonet-type or interlocking hooked seams.
E. Fabricate corners from one piece with minimum 18 inch long legs; seam for rigidity, seal with sealant.
2.03 ACCESSORIES
A. Fasteners: Galvanized steel, with soft neoprene washers.
B. Primer: Zinc chromate type.
C. Concealed Sealants: Non-curing butyl sealant.
D. Exposed Sealants: ASTM C920; elastomeric sealant, with minimum movement capability as recommended bymanufacturer for substrates to be sealed; color to match adjacent material.
E. Plastic Cement: ASTM D4586/D4586M, Type I.
PART 3 EXECUTION
3.01 EXAMINATION
A. Verify roof openings, curbs, pipes, sleeves, ducts, and vents through roof are solidly set, reglets in place, and nailingstrips located.
B. Verify roofing termination and base flashings are in place, sealed, and secure.
3.02 INSTALLATION
A. Secure flashings in place using concealed fasteners, and use exposed fasteners only where permitted..
B. Apply plastic cement compound between metal flashings and felt flashings.
C. Fit flashings tight in place; make corners square, surfaces true and straight in planes, and lines accurate to profiles.
D. Schedule:
CONEJO VALLEY UNIFIED SCHOOL DISTRICTWESTLAKE HIGH SCHOOL STEM BUILDINGSHEET METAL FLASHING AND TRIM 07 6200 - 3
Wednesday September 9, 2020 @ 1:00PM750 Mitchell Road, Newbury Park, CA 91320
Notice to Contractors Issued:New STEM Bldg - Sheet Metal
Westlake High School
805-498-4557
Jason Branham
Nuria BeckerTim McCabe
Ken Thomas
Project Location:
MP18/19-72-WHS
Documents are available on the district's website: http://www.conejousd.org/Departments/Business-Services/Planning-Facilities/Projects-out-to-Bid. Plan holders are resonsible for all fees associated with the reproduction of document pertaining to this project, including original plan set.
CA Code ConsultantsFrank Coughlin
The Pre-Qualification is available on our web page: http://www.conejousd.org/Departments/Business-Services/Planning-Facilities/Projects-out-to-Bid
Liquidated Damage Refer to Specification Section 00 80 00
Project Questions: Via RFI to CVUSD Representative: Name email:
Working Hours:
Deliveries: 7:00 a.m. to 4:00 p.m.
Environmental Safety and Health:
Parking, Staging and Restrooms:
SUMMARY OF WORK:
ADDITIVE ALTERNATES:
See Attachment
Contact with students or staff while performing their job is NOT permitted. Those who do not adhere to this policy will be removed from the site and not allowed to return.Jobsite training by the District prior to entering the worksite is REQUIRED. Training is approximately 15 minutes. A sticker of completion will be issued, adhered to hard hat.
Site parking permitted in authorized areas only. Environmental spills due to auto or equipment leakage must be cleaned immediately.
Temp 6' tall fabric covered chain link fencing around all work areas will be provided. Gates are to be locked at all times.
If material is staged outdoors, it is the contractor's responsibility to secure all materials and equipment. Storage containers must be removed following completion of job.
This may or may not be a DSA project. An inspector will be provided by the District for all required inspections. All Inspections must be scheduled through the inspector a minimum of 48 hours in advance.
Inspections:
7:00 a.m. to 7:00 p.m. Work hours can be extended for work other that loud and noisy work. School instructional programs cannot be interrupted by any construction activities.
Ken Thomas
The work of the project is defined by the Contract Documents and consists of the following:
There are no alternates
Union Representatives:
Union Representatives are welcome on all projects. Safety requirements must be adhered to, therefore all representatives must contact the Project Manager and request a site visit. Safety training will also be required - NO EXCEPTIONS
Contractor is responsible to comply with all Safety and health requirements.
AS-BUILT INFORMATION:
INSTRUCTIONS TO BIDDERS:
Bid Submission Date: Time: 3:00PDocuments Required: Bid Form
Designation of Sub ContractorsNon-Collusion DeclarationBid Bond (if bid exceeds $25K)
Documents are available:
Submit Bids via:
Award:
CONTRACT REQUIREMENTS:
Bonds: Labor and Material BondPerformance Bond
Sub-Contractor Certification:
Insurance:
DOJ Certification:
Department of Industrial Relations (DIR):
Refer to 00 10 00 - Instructions to Bidders
General Contractor is required to certify that any Sub-Contractor is DIR Registered
September 23, 2020
Google Drive - All contractors listed on the Sign-In sheet will be invited, via email, for instruction.
A Bid is considered submitted only if the Bid is stamped with date/time through the Google Drive submission The date/time stamp is controlling and determinative as to the date/time of the Bidder's submittal of its Bid. Bids received after the date and time specified in the Notice to Contractors Calling for Bids are considered non-responsive and will not be opened.
The successful bidder(s) must complete the DOJ form for criminal back-ground check requirements as per Education code section 45125.2 for their company, prior to start of work.
Site As-Builts may be available by contacting the Project Manager.
Certificate with proper endorsements, showing CVUSD as additionally insured. See 00 70 00 - General Conditions 00 70 00 and 00 80 00 - Supplementary Conditions
Prevailing wages are applicable to the project. Visit http://www.dir.ca.gov/Public-Works/PublicWorks.html for detailed information relating to SB 854.
Up-to-date registration associated with your CSLB number is required.
Prevailing Wages:
BID QUESTIONS and CLARIFICATIONS:
Project Manager:Due Date:
All questions and requests for clarification must be submitted in writing no later that 5 business days prior to the scheduled bid opening, emailed to:
Clarifications will be made by Addendum prior to date of bid submission.
Summary of Work – 01 01 00 Page 1 of 1
SECTION 01 01 00
SUMMARY OF WORK – Sheet Metal
Specification Section
Plan Sheet Reference Scope of Work
00 00 00 Contracting Requirements
00 70 00 General Conditions
00 80 00 Supplementary Conditions
General Bid Documents Bid, P&P, Material Bonds are required for this project
G001-G102 General Notes
23 00 10 – 23 81 29 All Mechanical Specs as they pertain to SM
Appendix A DSA 103 Inspection Requirements
Drawings Architecturals As they pertain to Sheet Metal
Drawings Structurals As they pertain to Sheet Metal
Drawings Mechanicals As they pertain to Sheet Metal
Drawings attached (4) These attached drawings indicate scope of work by others that is to be excluded from Sheet Metal Bid Package.
08 91 00 Louver Specifications Are NOT part of this Bid Package. The Mechanical Bid Package has covered these.
Detail E2/A531 Sheet Metal at this detail is covered by the Plumbing Bid Package
** The above represents most of the items required in this bid package. It is the responsibility of the contractor to review the plans and specs to assure a complete scope for submission.
