COUNTY OF ALAMEDA. ADDENDUM No. 5. RFP No for. Cherryland Fire Station

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1 COUNTY OF ALAMEDA ADDENDUM No. 5 to RFP No for Cherryland Fire Station This County of Alameda, General Services Agency (GSA), RFP/Q Addendum has been electronically issued to potential bidders via e mail. E mail addresses used are those in the County s Small Local Emerging Business (SLEB) Vendor Database or from other sources. If you have registered or are certified as a SLEB, please ensure that the complete and accurate e mail address is noted and kept updated in the SLEB Vendor Database. This RFP/Q Addendum will also be posted on the GSA Contracting Opportunities website located at REVISED Bid Due Date is on June 17, 2015 July 8, 2015 July 17, 2015 Bidding temporarily on hold reinstatement pending Addendum 5 August 13, 2015 Alameda County is committed to reducing environmental impacts across our entire supply chain. If printing this document, please print only what you need, print double sided, and use recycledcontent paper.

2 July 30, 2015 This addendum reopens bidding process with a series of revisions primarily focusing on construction detailing and assemblies related to required occupancy separations. We are also responding to final set of questions. With this addendum, we respond to final RFI s and bidding question period closes. I look forward to receiving and reviewing your bids. Brian Laczko Sr. Project Manager, GSA TSD brian.laczko@acgov.org

3 The following Sections have been modified to read as shown below. Changes made to the original RFP document are in bold print and highlighted, and deletions made have a strike through. Responses to Written Questions RFI 17 Q37) Underground fire line: Reference section , Water Systems, part 2.01, item A.1 and part 2.02, item B.1.d. Part 2.02, item B.1.d states Fittings shall be epoxy lined and coated with a thickness not less the 6 mils. However, part 2.01, item A.1, ductile iron pipe is shown with no requirement for epoxy lining and coating. Does the pipe need to be epoxy lined and coated? A37) Per spec section 2.01.A.1, the pipe is cement mortar lined. Q38) If the answer is no to Q1, then do the fittings need to be epoxy lined and coated? A38) Yes, per spec section 2.02.B.1.d. RFI 18 Q39) Storm Drainage Bio retention: Reference sheets C4.01 & C5.11. The plans do not show perforated pipe in bio retention area B5. Please comment A39) Include perf pipe per Details 6 and 8 on Sheet C5.11. RFI 19 Q40) Storm Drainage Bio retention Perforated pipe: Reference specification Section Please confirm that 4 PVC SDR 35, solvent weld pipe is permissible for use in bioretention areas. A40) Per spec section 2.01.A use SDR 26. RFI 20 Q41) Storm Drainage: Reference sheet C5.03, detail 8 Specifically the Christy box lid at the diverter valve. A traffic rated lid for a Christy Concrete B24 is not manufactured. Please advise. A41) Use Christy Concrete Box B2436, or approved equivalent. See Sheet C5.03 for Addendum #5. RFI 21 Q42) Storm Drainage: Reference Sheet C4.01 Wall Sub drainage and building Wall Sub drainage On the southeast side of the project a 4 perforated pipe is shown at the wall. Please provide detail of sub drain. A42) See Sheet C4.01 for Addendum #5 for clarification. Q43) Only one cleanout is shown at the southeast end of the perforated pipe. Will cleanouts be required every 100 lf and at southwest end of perforated pipe? A43) See Sheet C4.01 for Addendum #5 for clarification. Addendum 5 Project # Page 3

4 RFI 22 Q44) Building Sub Drainage: A building perimeter sub drain line is shown on the plans Please provide detail of sub drain. A44) See Detail 13/A9.14. Q45) Are cleanouts required? A45) Yes. Q46) If cleanouts are required, please provide detail of cleanout locations. A46) See Sheet C4.01 for Addendum #5 for clarification. RFI 23 Q47) Section Storm Drainage, item 3.04 deflection testing: The specification calls for deflection testing A deflection mandrel will not pass through fittings. Therefore please comment on the following: Is deflection testing required on sections with fittings? A47) Yes. Note: slight protrusions of fittings into the pipe interior can cause the mandrel to not pass through the pipe. Q48) For that matter, is deflection testing required? A48) Yes, per the spec. RFI 24 Q49) Section Storm Drainage, item 3.06 video inspection: Please confirm video inspection is required. A49) Yes, per the spec. RFI 25 Q50) Where in Bid Form is a space to include Unit Prices for civil quantities specified in Addendum #2, A6. A50) See Addendum #5 updated bid form Specification section a.5.. RFI 26 Q51) The bid form has entry spots for three (3) Alternates. Specification section lists eight (8) Alternates. Please revise Bid Form to allow for eight (8) Alternates. A51) See revised Bid Form, Document , included in the Addendum 2 specifications. Bidding Questions Period is now Closed Addendum 5 Project # Page 4

5 Attachments: ADDENDUM 5 DRAWINGS AND SPECS ARE AVAILABLE HERE: Addendum 5 Project # Page 5

6 Addendum #5 7/29/15 Addendum #5 Summary Cherryland FS # Meekland Avenue Hayward, CA /29/15 Cherryland Fire Station 23 Page 1

7 Addendum #5 7/29/15 Drawing List: Sheet Number General Nature of Changes: A0.00 Revised applicable codes, deferred approvals A0.10 Revise code check for new occupancies A0.15 Revised base plan & separations A0.20 Revised plan, adjusted exit plan for new door A0.30 Revised plan A0.35 Revised plan C3.01 Clarification of grading near neighboring property C4.01 Clarification of site drainage C5.03 Changed rainwater diverter detail A1.10 Added Sheet Note A2.10 Changed callouts, keynotes, notes, plan, added fire extinguisher, added gas equipment A2.11 Added callouts A5.10 Changed elevations A5.11 Changed elevations A5.12 Added fire extinguisher to elevation A5.30 Changed legend, showed separation walls on enlarged plan A5.31 Changed legend A6.10 Changed legend, plan A7.09 Showed separation, changed stair landing A7.10 Showed separation, changed stair landing A7.13 Changed separation A7.14 Changed separations A8.10 Changed legend A8.11 Changed separations, legend A8.12 Changed legend A8.13 Changed separations, legend A8.14 Changed separations, legend A9.13 Fire rated ceiling at staff entry, below landing A9.14 Added drainage detail, reference notes A9.15 Changed details to show fire rated ceiling at mechanical room A9.30 Added fire rated light detail A9.31 Revised and removed floor/ceiling details, added shaft detail A10.11 Combined two circulation spaces, changed ceiling material in exercise room A10.12 Changed equipment schedule A10.13 Changed equipment schedule A10.20 Changed door schedule A10.40 Changed storefront schedule M2.10 Changed plans, added notes M2.20 Changed plans P1.10 Changed plans P5.03 Added notes E0.1 Removed note E3.1 Changed plans E3.2 Changed plans Cherryland Fire Station 23 Page 2

8 Addendum #5 7/29/15 Specifications List Specification No. Title Type of Modification Bid Form-Stipulated Sum Added lines for civil unit prices Unit Prices and Alternates Added unit prices Door Hardware Changes to hardware schedule Electric Traction Elevators Changed door fire rating RFI List RFI Date Person/Firm Submitting Subject No. Submitted 17 7/20/15 Kevyn Miyata, Pacific Mountain Epoxy line pipe 18 7/20/15 Kevyn Miyata, Pacific Mountain Perforated pipe in bio-retention areas 19 7/20/15 Kevyn Miyata, Pacific Mountain PVC SDR pipe permissible in bioretention areas 20 7/20/15 Kevyn Miyata, Pacific Mountain Need traffic rated Christy lid 21 7/20/15 Kevyn Miyata, Pacific Mountain Sub-drain and cleanouts 22 7/20/15 Kevyn Miyata, Pacific Mountain Sub-drain and cleanouts 23 7/20/15 Kevyn Miyata, Pacific Mountain Deflection testing 24 7/20/15 Kevyn Miyata, Pacific Mountain Confirm video inspection required 25 7/20/15 David Gruzman, JUV Inc. Need space for Civil quantities on bid 26 6/30/15 Jay Magtibay, Gonsalves & Stronck Construction CLOSE OF BIDDING QUESTIONS PERIOD form Location for Bid alternates Cherryland Fire Station 23 Page 3