CITY AND COUNTY OF SAN FRANCISCO PUBLIC UTILITIES COMMISSION WASTEWATER ENTERPRISE BAKER BEACH GREEN STREETS CONTRACT NO. WW-627 ADDENDUM NO.

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1 San Francisco Water Power Sewer CITY AND COUNTY OF SAN FRANCISCO PUBLIC UTILITIES COMMISSION WASTEWATER ENTERPRISE BAKER BEACH GREEN STREETS CONTRACT NO. ADDENDUM NO. 1 Signatures: ~ Date: April 20, 2018 Contract Standards Engineer I CITY AND COUNTY OF SAN FRANCISCO PUBLIC UTILITIES COMMISSION S ignature~ ~ jj ~ HANNA WON~ ANAGER ENGINEERING MANAGEMENT BUREAU NOTICE TO PARTIES HOLDING SPECIFICATIONS AND CONTRACT PROPOSAL: The Contract Documents of the contract named above are hereby amended as fo llows: Specifications Section 00 0 I l 0 - Table of Contents Section 00 0 I 10, Page 4: Under Finish Carpentry DELETE the fo llowing: "DIVISION 12 - FURNISHINGS Site Furnishings'' Under DIVIS ION 31 - EARTHWORK ADD the following: " Geomembrane" Template Version Page I of6

2 Section List of Drawing Sheets Section , page 7: Under 109,217, U-1.7, UTILITY OCCUPANCY PLAN - SEACLIFF A VENUE AND 27TH A VENUE ADD the following: "-, USWP-1(Rev.1), AT&T Utility Support and Work Around Plan -, USWP-2 (Rev. 1 ), Comcast Utility Support and Work Around Plan -, CDM-01(Dated2/12&14/16), Richmond Green infrastructure - El -, CDM-02 (4/1/2014), Riclunond Green infrastructure - El -, CDM-03 (Dated 2/12&14/ 16), Richmond Green Infrastructure - El -, CDM-04 (Dated 2/12&14/16), Richmond Green lnfrastructure - El -, CDM-05 (Dated 2/12&14/ 16), Richmond Green infrastructure - El -, CDM-06 (Dated 2/12&14/16), Richmond Green Infrastructure - El -, BT-01 (Dated 4/ 17/2014), Baker Beach Green Street-Beach Terrace -, BT-02 (Dated 4/17/2014), Baker Beach Green Street - Beach Terrace -, BT-03 (Dated 4/ 17/2014), Baker Beach Green Street - Beach Terrace -, BT-04 (Dated 4/ 17/2014), Baker Beach Green Street - Beach Terrace" Page 2 of6

3 Section Available Project lnfonnation Section , Page 1: Under Subsection ADD as follows: Section Schedule of Bid Prices "4. 'Baker Beach Green Streets Project Memorandum,' dated April 12, 2019 by San Francisco Public Works." Section I 0, Page 3: DELETE Bid ftem No. GI-23, Infiltration Gallery lmpenneable Membrane and REPLACE as follows: "Bid Item No. GI-23, Impermeable Membrane, 4200, SF,, $ " Section 0 I Price and Payment Procedures Section 0 I 20 00, Page 18: DELETE description for Bid Item No. Gl-23, Infiltration Gallery Impermeable Membrane, in its entirety, and REPLACE as follows: "BID ITEM NO. GI-23 IMPERMEABLE MEMBRANE A. Impermeable Membrane will be measured and paid based on unit bid per square foot satisfactorily installed, which shall constitute fu ll compensation for preparation of area and sub grade, watertight liner attachment to walls and structures, and liner penetrations.., Section Environmental Management of Excavated Materials Section 03 I Concrete Forming and Accessories Section Concrete Reinforcing Section Cast-In-Place Concrete Section Geomembrane Section 3 l Landscape Grading Operations ADD Section (Rev. 1 ), attached ADD Section (Rev. 1 ), attached ADD Section (Rev. 1), attached ADD Section (Rev. 1), attached DELETE Section in its entirety, and REPLACE with Section (Rev. I), attached ADD Section (Rev. 1), attached Page 3 of6

4 Plans G Plan and Drawing Index G Plan and Drawing Index R Roadway - Pavement Plan - GGNRA 25th Avenue North GI El - Node 4 - Lined Infiltration Gallery and Drainage Plan GI El - Node 4 - Lined Infiltration Gallery Profiles GI-4.2A - El - Node 4 - Lined Bioretention Drainage Profiles Gl El - Node 4 - Lined Bioretention Plan and Profile GT El - Node 4 - Lined Bioretention Plan and Profile GI Green Infrastructure Details GI Green Infrastructure Details GI Green Infrastructure Details L Planting Plan - El - Node 1 L Planting Plan - El - Node 2 L Planting Plan - El - Node 3 L-2. I - Planting Plan - El - Node 4 L Planting Plan - Seacliff - 26th Ave and 25th Ave USWP-1 - AT&TUtility Support and Work Around Plan USWP-2 - Comcast Utility Support and Work Around Plan CDM-01 - Richmond Green Infrastructure - El CDM-02 - Richmond Green Infrastructure - El CDM-03 - Richmond Green Infrastructure - El DELETE Drawing G-0.2 and REPLACE with Drawing G-0.2 (Rev. 1 ), attached DELETE Drawing G-0.3 and REPLACE with Drawing G-0.3 (Rev. 1), attached herewith.. ADD Drawing R-1.8 (Rev. 1 ), attached DELETE Drawing GI-4.1 and REPLACE with Drawing GI-4.1 (Rev. I), attached DELETE Drawing GI-4.2 and REPLACE with Drawing GI-4.2 (Rev. l), attached DELETE Drawing GI-4.2A and REPLACE with Drawing GI-4.2A (Rev. 1), attached DELETE Drawing GI-4.3 and REPLACE with Drawing GI-4.3 (Rev. 1), attached DELETE Drawing GI-4.4 and REPLACE with Drawing GI-4.4 (Rev. 1 ), attached DELETE Drawing GI-6.9 and REPLACE with Drawing GI-6.9 (Rev. I), attached DELETE Drawing Gl-6.10 and REPLACE with Drawing GI-6.10 (Rev. 1 ), attached DELETE Drawing GI-6.11 and REPLACE with Drawing Gl (Rev. 1), attached DELETE Drawing L-2. l and REPLACE with Drawing L-2.l (Rev. 1), attached DELETE Drawing L-2.2 and REPLACE with Drawing L-2.2 (Rev. 1), attached DELETE Drawing L-2.3 and REPLACE with Drawing L-2.3 (Rev. l ), attached DELETE Drawing L-2.4 and REPLACE with Drawing L-2.4 (Rev. l ), attached DELETE Drawing L-2.5 and REPLACE with Drawing L-2.5 (Rev. 1 ), attached ADD Drawing USWP-1 (Rev. 1 ), attached ADD Drawing USWP-2 (Rev. 1), attached ADD Drawing CDM-01(Dated2/12&14116), attached ADD Drawing CDM-02 (Dated 4/1 /2014), attached ADD Drawing CDM-03 (Dated 2/12& 14/ 16), attached Page 4 of6

5 BAKER BEACH GREE STREETS CDM-04 - Richmond Green Infrastructure - El CDM-05 - Richmond Green Infrastructure - El CDM-06 - Richmond Green Infrastructure - El BT-01 - Baker Beach Green Street - Beach Terrace BT-02 - Baker Beach Green Street - Beach Terrace BT-03 - Baker Beach Green Street - Beach Terrace BT-04 - Baker Beach Green Street - Beach Terrace ADD Drawing CDM-04 (Dated 2/12&14/ 16), attached ADD Drawing CDM-05 (Dated 2/12&14/16), attached ADD Drawing CDM-06 (Dated 2/ 12&14/ 16), attached ADD Drawing BT-01 (Dated 4/ 17/2014 ), attached ADD Drawing BT-02 (Dated 4/17 /20 l 4 ), attached ADD Drawing BT-03 (Dated 4117/2014), attached ADD Drawing BT-04 (Dated 4/17/2014), attached Attachments: Specifications Section (Rev. 1) - Environmental Management of Excavated Materials Section (Rev. I) - Concrete Forming and Accessories Section (Rev. 1) - Concrete Reinforcing Section (Rev. 1) - Cast-In-Place Concrete Section (Rev. I) - Geomembrane Section (Rev. 1) - Landscape Grading Operations Plans G-0.2, Plan and Drawing Index G-0.3 (Rev. 1 ), Plan and Drawing Index R-1.8 (Rev. I), Roadway- Pavement Plan - GGNRA 25th Avenue North GI-4.1 (Rev. 1 ), El - Node 4 - Lined Infiltration Gallery and Drainage Plan GI-4.2 (Rev. 1 ), El - Node 4 - Lined Infiltration Gallery Profiles GI-4.2A (Rev. 1 ), El - Node 4 - Lined Bioretention Drainage Profiles GI-4.3 (Rev. 1 ), El - Node 4 - Lined Bioretention Plan and Profile GI-4.4 (Rev. I), El - Node 4 - Lined Bioretention Plan and Profile GI-6.9 (Rev. 1 ), Green Infrastructure Details GJ-6. l 0 (Rev. 1 ), Green Infrastructure Details GI-6.11 (Rev. 1), Green Infrastructure Details L-2.1 (Rev. I), Planting Plan - El - Node 1 L-2.2 (Rev. l ), Planting Plan - El - Node 2 L-2.1 (Rev. 1 ), Planting Plan - El - Node 3 L-2.1 (Rev. l ), Planting Plan - El - Node 4 L-2.1 (Rev. 1 ), Planting Plan - Seacliff - 26th Ave and 25th Ave Page5of6

6 USWP-1 (Rev. I), AT&T Utility Support and Work Around Plan USWP-2 (Rev. 1), Comcast Utility Support and Work Around Plan CDM-01 (Dated 2/12&14/ 16), Richmond Green Infrastructure - El CDM-02 (Dated 4/1 /2014), Richmond Green lnfrastructure - El CDM-03 (Dated 2/12& 14/16), Richmond Green lnfrastructure - El CDM-04 (Dated 2/ 12&14/ 16), Richmond Green Infrastructure - El CDM-05 (Dated 2/12&14/16), Richmond Green Infrastructure - El CDM-06 (Dated 2/12& 14/ 16), Richmond Green Infrastructure - El BT-01 (Dated 4/ 17/2014), Baker Beach Green Street - Beach Terrace BT-02 (Dated 4/17/2014), Baker Beach Green Street - Beach Terrace BT-03 (Dated 4/17/2014), Baker Beach Green Street - Beach Terrace BT-04 (Dated 4/1 7/2014), Baker Beach Green Street - Beach Terrace END OF ADD ENDUM NO. 1 Page 6 of6