DOCUMENT ADDENDUM NO. 1

Transcription

1 DOCUMENT ADDENDUM NO GENERAL This document includes requirements that clarify or supersede portions of the bid and/or contract requirements for the project. This Addendum is a Contract Document. 2. SUMMARY The following changes, additions and deletions shall be made to the following document(s); all other conditions shall remain the same. A. Revised Specification Sections 1. N/A B. Revised Drawings 1. N/A C. Clarifications 1. Pre-Bid RFI-012 Roofing Questions 2. Pre-Bid RFI-013 Built-Up Roofing System 3. Pre-Bid RFI-014 Insulation Minimum Thickness 4. Pre-Bid RFI-015 Gravel Stop/Fascia END OF DOCUMENT EAST SIDE UNION HIGH SCHOOL DISTRICT ADDENDUM NO. 1 E Andrew Hill High School Adopted 9/20/12 New Classroom Building Bid #: B D-F DOCUMENT

2 RFI # Pre-bid 012 RFI Number: Pre-bid Roofing Questions Importance: High Brad Hulbert brad.hulbert@blach.com 10/29/2013 Author Company: ANDY'S ROOFING COMPANY Authored By: Jonathan Engquist Cc: Company Name Contact Name Copies Notes

3 RFI # Pre-bid 012 Detailed, Grouped by RFI Number 10/29/2013 Andy's Roofing: 1) Section part 1.2.A notes the application of 3-plies and cap sheet while part 2.4 notes the application as a base, 2 ply and cap sheet. Please confirm the application needed. 2) Section part 1.5.B notes to install a minimum R-19 rigid insulation while part 2.2.A.2 notes a 2" minimum. Please confirm the minimum thickness required. 3) Which bid package owns the Expansion Joint shown on sheet A6.3? 4) Which bid package owns the Pre Finished Metal Flashing on sheets A6.0-A6.2? 5) Which bid package owns the Duct Penetration Flashing on sheet A6.4? 6) Which bid package owns the 18 ga Pre Finished fascia at the upper roof shown on sheet A6.2? 7) The "Flexible Flashing" note on detail 9A6.2 appears to point to a cap flashing. Which bid package owns this and what is its composition? 8) Which bid package owns the Flexible Flashing and Weather Barrier shown behind non -roof areas like behind metal wall panels and stucco? 9) Which bid package owns the "Wood Blocking" shown at roofing terminations? 10) Which bid package owns the "Flashing" at the base of the stucco and wall conditions shown on sheet A6.0? 11) When will the final quantities for all roof penetration flashings be supplied for bid purposes? 12) Is the roofing bid package to supply any flashing around doors or windows? Pioneer Contractors: 1. Section Weather Barrier is included in roofing package. Please confirm that weather barrier as applies to Built-up roofing only, are included in this package. 2. Section Sheetmetal Flashing and Trim is included in the roofing package. Please confirm that sheetmetal flashings as applies to Built-up roofing only are included in this package. 3. Detail 4/A6.2 shows a gravel stop/fascia as 18 gauge while Spec Section A.3 calls for.028" (24 Ga) Please clarify. Also, please confirm color, whether standard or custom color. 4. Please clarify whether the window jamb flashing as shown on Details 3,7/A6.2 is part of this package. 5. Detail 8/A6.0 shows a copper louver vent. Please clarify if this is included in this package. Page 2

4 Date Answered RFI # Pre-bid 012 Detailed, Grouped by RFI Number 10/29/2013 Andy's Roofing Questions: 1.) Submit 2.) Submit 3.) HVAC Trade Contractor 4.) HVAC Trade Contractor 5.) HVAC Trade Contractor 6.) HVAC Trade Contractor 7.) It is a pre-finished metal flashing and is furnished and installed by the HVAC Trade Contractor. 8.) General Trades Contractor 9.) All wood blocking to be furnished by General Trades Contractor - except for wood nailers that are part of roofing system. 10.) General Trades Contractor 11.) All quantities of roof penetrations for flashings are to be determined by the contractor bidding the work. 12.) Door & Window flashings are furnished and installed by HVAC Trade Contractor. Pioneer Contractors Questions: 1.) Confirmed 2.) Confirmed. Only flashings that are part of roofing "system" to make a complete "System" are to be furnished and installed by Roofing Trade Contractor. 3.) Submit 4.) Window Jamb Flashings are to be furnished and Installed by HVAC Trade Contractor. 5.) Copper Vent is to be furnished and installed by Roofing Trade Contractor. Page 3

5 RFI # Pre-bid 013 RFI Number: Pre-bid Built-Up Roofing System Importance: Normal Lauri Rushford lauri.rushford@blach.com Author Company: Authored By: Lauri Rushford Cc: 11/1/2013 Company Name Contact Name Copies Notes Reference: Section A Section A notes the application of 3-plies and cap sheet while part 2.4 notes the application as a base, 2 ply and cap sheet. Please confirm the application needed. Both statements are correct. It could be considered a 4 ply system: 1 base sheet, 2 plies and 1 cap sheet as described in section 1.2, 2.1, and /6/13 Date Answered 11/6/2013

6 RFI # Pre-bid 014 RFI Number: Pre-bid Insulation Minimum Thickness Importance: Normal Lauri Rushford lauri.rushford@blach.com Author Company: Authored By: Lauri Rushford Cc: 11/1/2013 Company Name Contact Name Copies Notes Reference: Section Section part 1.5.B notes to install a minimum R-19 rigid insulation while part 2.2.A.2 notes a 2" minimum. Please confirm the minimum thickness required. Specification notes minimum values, but all low-roof (A2.1) insulation board depths are set by detail 1/A6.4. High-roof (A2.2) insulation board depth is set by detail 8/A6.2. All low-roof insulation will be at least 5" thick, other than at the roof drains, where it is dropped for drainage. Roof is layed out based on roof drain locations on A2.1 and a 1/4" slope per foot. At roof drains, insulation board tapers to approximately 1" at each roof drain. Date Answered 11/6/2013

7 RFI # Pre-bid 015 RFI Number: Pre-bid Gravel Stop/Fascia Importance: Normal Lauri Rushford lauri.rushford@blach.com 11/1/2013 Author Company: Authored By: Lauri Rushford Cc: Company Name Contact Name Copies Notes Reference: 4/A6.2; Spec Section Detail 4/A6.2 shows a gravel stop/fascia as 18 gauge while Spec Section A.3 calls for.028" (24 Ga) Please clarify. Also, please confirm color, whether standard or custom color. The specification applies unless otherwise identified in a detail. For this instance, provide 18ga fascia, and 20ga. splice plate, as identified in the detail 4/A6.2. Date Answered 11/6/2013