SCA FACILITIES DESIGN & CONSTRUCTION 135 VAN NESS AVENUE, ROOM 212 SAN FRANCISCO, CA 94102

Transcription

1 HAZARDOUS MATERIALS ABATEMENT SPECIFICATIONS SAN FRANCISCO UNIFIED SCHOOL DISTRICT GALILEO ACADEMY OF SCIENCE & TECHNOLOGY CAFETERIA REPAINTING PROJECT SFUSD PROJECT # 1150 FRANCISCO STREET SAN FRANCISCO, CA PREPARED FOR: SAN FRANCISCO UNIFIED SCHOOL DISTRICT FACILITIES DESIGN & CONSTRUCTION 135 VAN NESS AVENUE, ROOM 212 SAN FRANCISCO, CA PREPARED BY: SCA ENVIRONMENTAL, INC. 1 LAKESIDE DRIVE, SUITE 215 OAKLAND, CA TEL: (510) EFAX: (415) SCA PROJECT NO.: B FEBRAURY 3, 2017

2 Updated: 2/3/17 TABLE OF CONTENTS Section Description Total No. of Pages Existing Hazardous Material Information 8 Lead Summary Table Lead Abatement Work Plan Removal and Disposal of Material Containing Lead 20

3 SCA Project No.: B DOCUMENT EXISTING HAZARDOUS MATERIAL INFORMATION TABLE OF CONTENTS PART 1 - GENERAL SUMMARY HAZARDOUS MATERIALS REPORT(S) HAZARD SUMMARY USE OF DATA PRE-BID VISIT TO WORK SITE... 7 Existing Hazardous Material Information i

4 SCA Project No.: B DOCUMENT EXISTING CONDITIONS: HAZARDOUS MATERIALS PART 1 - GENERAL 1.1 SUMMARY A. This Document discloses Reference Documents that are available to the Contractors regarding the hazardous materials investigations and/or past hazardous materials remediation work that was utilized by the District and its Consultant(s) in preparing the Contract Documents. 1.2 HAZARDOUS MATERIALS REPORT(S) A. The Contractor s attention is directed to the fact that hazardous materials survey report(s) were prepared for the site and are known as: 1. San Francisco Unified School District s Galileo High School Three-Year Reinspection/Update of Executive Summary. 2. San Francisco Unified School District Asbestos Control Programs AHERA and Lead-Based Paint files. 3. Hazardous Materials Specifications: SFUSD Galileo Academy of Science and Technology, West Academic Building, Window Replacement and Interior Improvements, 1150 Francisco Street, San Francisco, CA 94109, prepared by Sensible Environmental Solutions Inc., dated April 13, 2016; SES Project No Galileo High School Proposition A Modernization Program Asbestos and Lead-Based Paint Abatement Specifications, San Francisco, CA, prepared by SCA Environmental, Inc. dated January 1996; SCA Project No. B Lead Paint Inspection Report for Galileo High School Exteriors of Buildings East and West, 1150 Francisco Street, San Francisco, CA prepared by Sensible Environmental Solutions, Inc., dated August 6, 2006; SES Job. No Lead Paint Inspection Report for Galileo High School West Building Interiors 1150 Francisco Street, San Francisco, CA prepared by Sensible Environmental Solutions, Inc., dated August 5, 2006; SES Job. No B. Prior abatement at this site and materials abated are covered in the following reports: 1. Summary Report: Hazardous Materials Abatement Report, Galileo High School, Various Modernizations, San Francisco, CA, contained in the District s AHERA files. Materials abated included: 2. Final Report: Asbestos Abatement Activities, Galileo High School, 1150 Francisco Street, San Francisco, CA, prepared by SCA Environmental, Inc., dated November 1996; SCA Project No. F Items abated included: a. Transite countertops in Science Classrooms 403 & 405, totaling about 54 SF[SCA Sample I.D. TRANS-16-3 with 20-30% Chrysotile]. Existing Hazardous Material Information

5 SCA Project No.: B b. Fume hood transite panels and riser ductwork in Science Classrooms 406 & 408 [SCA Sample I.D. TRANS-AAA with 10-30% Chrysotile]. c. Vinyl flooring in Shop 4 Classroom 4A [SCA Sample I.D. FLVCT-3-1 and FLVCT-4-1 with 3-20% Chrysotile in the tiles and 10-25% Chrysotile in the black mastics]. d. Partial sheetrock wallboard patching and repairs in Rooms 4, 4A, 4B, 4D, $E & 4F [SCA Sample I.D. WLSH-1-1 with <1% Chrysotile]. e. Partial exterior stucco and concrete paints at various patch and repair areas {SCA Sample I.D. STUCCO-10-3 with <1% Chrysotile in the surface plaster]. f. Partial plaster wall patching and repairs at Girl s Gym Room 222, 222A and 222B [SCA Sample I.D. GEI #1 thru 46 & PUTTY-5-1 thru 3 with <1% Chrysotile in the putties]. g. Steam heating system thermal system insulation at South End of the East Building 2 nd Floor south of Room 258, and East Building 5 th Floor Room 553, totaling about 1,100 LF [SCA Sample I.D. PISTM-AAA with 30% Amosite]. h. Partial roofing mastics at replacement exhaust fan curbs [SCA Sample I.D. RFMAS-15-1 with 10-20% Chrysotile]. i. Damaged window glazing putties at steel sash windows throughout [SCA Sample I.D. PUTTY-5-1 thru 3 with <1% Chrysotile]. j. Domestic hot water system thermal system insulation at the South End of the East Building south of Room 258, totaling about 300 LF [SCA Sample I.D. PIDHW with 30% Amosite & 60% Chrysotile]. 3. Hazardous Materials Management Report, Galileo Academy of Science and Technology, Bond Modernization 2003 Proposition A School Repair Bond Project, 1150 Francisco Street, San Francisco, CA 94109, prepared by Sensible Environmental Solutions, Inc., dated Sept. 21, 2009; SES Project No Items abated included: a. West Building 1 st Floor: 1). Floor tiles and mastics in Classrooms 102A and 102C, and Food Service 119 and 119C. 2). Vinyl sheet flooring in Classrooms 102, 102B & 102D. 3). Fire doors at Cafeteria ). Gypsum board and taping compounds in Classrooms 102A, 102B and 102C. 5). Partial gypsum board and taping compounds at Corridors C12A, Corridor C13 at Stair #6 and Classroom ). Partial floor tiles and mastics in Cafeteria 120. b. West Building 2 nd Floor: 1). Partial thermal system insulation at Administrative Offices 205, 205A, 205B, 206, 206A, 206B, 206C, 206D, 206F and 206G. Existing Hazardous Material Information

6 SCA Project No.: B ). Partial gypsum board and taping compounds at Girl s Restroom T217 and Office 217A. c. West Building 3 rd Floor: 1). Partial removal of thermal system insulation at Science Classroom 308. d. West Building 4 th Floor: 1). Partial vinyl floor tiles and mastics at Science Classrooms 406, 408 & ). ACM countertops at Science Classrooms 406, 408 & 409. e. West Building Exterior: 1). Asbestos-containing exterior paints at Boy s Toilet T10. f. East Building - 1 st Floor: 1). Vinyl floor tiles and mastics and sleeper floor system at Classroom ). ACM fire doors at Classrooms 156 & ). Partial vinyl floor tiles and mastics at Classrooms 152 & 156, Storage Room S155 & Administrative Office 156A. 4). Partial gypsum board and taping compounds at Corridor C16 at Stair #7 and Administrative Offices 150 and 150A. g. East Building 2 nd Floor: 1). Partial gypsum board and taping compounds at Corridor C26 at Stair #7, Corridor C27 at Stair #8, Administrative Office 258J and Computer Center 260. h. East Building 3 rd Floor: 1). Vinyl floor tiles and mastics in Administrative Office 352, and Work Rooms 352A and 352B. 2). ACM fire door at Science Classroom ). Partial gypsum board and taping compounds at Girl s Restroom T35 and Restroom T62. i. East Building 4 th Floor: 1). Vinyl floor tiles and mastics at Office 466B. 2). Partial gypsum board and taping compounds at Corridor C26 at Stair #8. 3). Partial vinyl floor tiles and mastics at west side of Classroom 464. j. East Building 5 th Floor: 1). Partial gypsum board and taping compounds at Music Room 555. k. Gymnasium Building Ground Floor: Existing Hazardous Material Information

7 SCA Project No.: B ). Thermal system insulation at Administrative Office 02A, Shower 02C, Faculty Restroom 02D, Store Room 02F, Sports Locker Room 04 and the Crawl Spaces below S06 and S106A. 2). ACM mastics at Sports Locker Room 04. 3). ACM fire doors at Hallway 001, Mechanical Room 010 and Corridor C21. 4). Vinyl sheet flooring at Faculty Restroom T02D. 5). Sleeper floor system at Sports Locker Room 04. 6). Partial gypsum board and taping compounds at Gym Weight Room 05, Gym Equipment Room S06, Hallway 022, Mechanical Room 010, and Corridor C021. l. Gymnasium Exterior: 1). Partial ACM paints for patching and repairs. 4. Final Report: Lead Hazard Controlled Renovation Activities Phase 1, Galileo Academy of Science & Technology Gym & Dance Floor Repainting & Radiator Replacements, 1150 Francisco, Street, San Francisco, CA, prepared by SCA Environmental, Inc. dated August 17, 2016; SCA Project No. B C. Copies of the above referenced report(s) may be reviewed at the District s Asbestos Control Program offices at 135 Van Ness Avenue, 4 th Floor, San Francisco, CA. 1.3 HAZARD SUMMARY A. Asbestos Hazards: Certain existing building components or materials, which may be impacted by the Work of this Project, are known or presumed to contain asbestos. 1. The following materials were tested and found to contain asbestos at concentrations greater than one percent (>1%) for areas at and near the Cafeteria work: a..sheetrock wallboard and taping compounds sampled in the 1 st Floor Corridor C-95 [ACP Sample I.D with 2% Chrysotile in the taping muds]. b. Fire door insulation sampled at 1 st Floor Room 102A and considered typical for all doors rated 45 minutes or greater throughout [ACP Sample I.D with 10% Chrysotile and 6% Amosite]. 2. The following materials were tested and found to contain "trace amounts" (greater than 0.1 percent (>0.1%)) of asbestos: a. None identified for current project area.. 3. The following suspect asbestos-containing materials were tested or documented and found not to contain asbestos for areas at and near the Cafeteria work: a. Damaged smooth wall and column plasters with white topcoat and gray base coat throughout the Cafeteria [SCA Sample I.D. GAL-WLPL thru 3]. b. Peeling off-white and beige paints throughout the Cafeteria [SCA Sample I.D. GAL-PAINT thru 3]. Existing Hazardous Material Information

8 SCA Project No.: B c. Damaged jute-like wallpaper with yellow mastics over smooth plasters on the lower columns typical throughout the Cafeteria [SCA Sample I.D. GAL-WALLPAPER thru 3]. d. Tan window putties at interior skylights at the 1 st Floor Cafeteria 101 [ACP Sample I.D thru 03]. e. Gray interior skylight window caulking at the 1 st Floor Cafeteria 101 [ACP Sample I.D ]. f. Reddish brown linoleum flooring and associated mastics sampled at the 1 st Floor Room 102 [ACP Sample I.D & 06]. g. Beige linoleum flooring with swirl pattern and associated mastics sampled at the 2 nd Floor Room 212 [ACP Sample I.D & 09]. h. Sheetrock wallboard and taping compounds sampled at the 1 st Floor Old Auto Shop, Janitor s Room J-90, and Corridor C-96 [ACP Sample I.D , & 02] [Note because the sheetrock installation are not homogeneous throughout the 1 st Floor all shall be treated having ACM taping muds]. B. Lead Hazards: Certain existing painted or coated surfaces to be impacted by the Work of this Project are known or suspected to contain lead. 1. The following paints, coatings, or materials were tested and found to contain lead at concentrations at or above the U.S. Department of Housing and Urban Development (HUD) definition of a leadcontaining material, established as greater than or equal to one milligram per square centimeter (>1.0 mg/cm 2 ) or greater than or equal to one-half percent lead by weight (>0.5%) or greater than or equal to five thousand parts per million (>5000 ppm). a. Peeling white column paints in 1 st Floor Cafeteria 101 in poor condition [ACP Sample I.D with 27,000 ppm lead]. b. Chipped and peeling off-white paints on the upper and lower plaster columns throughout [SCA Sample I.D. OW-01-1 thru 4 with 3.0 to 11.2 mg/cm 2 ]. c. Chipped and peeling brown paints on the perimeter and column wooden chair rails [SCA Sample I.D. BR-02-1 & 2 with 11.7 to 17.3 mg/cm 2 ]. d. Chipped and peeling beige paints on the plaster columns [SCA Sample I.D. BE-03-1 & 2 with 2.1 to 13.2 mg/cm 2 ]. e. Chipped and peeling off-white paints on perimeter plaster walls throughout [SCA Sample I.D. OW with 2.2 mg/cm 2 ]. f. Chipped and peeling beige paints on the wooden window frames and window sills [SCA Sample I.D. BE-03-6, 7 & 9 with 4.5 to 15.2 mg/cm 2 ]. g. See Lead Summary Table. 2. The following materials were not all tested but, the Contractor, for the purposes of this Contract and for Cal/OSHA (8 CCR ) and Cal/EPA (Title 22 CCR) compliance shall assume and manage them as lead containing. a. Plumbing components, such as pipes, fittings and solders. Existing Hazardous Material Information

9 SCA Project No.: B b. Roof flashings. c. Caulking. d. Mastic and adhesives. e. Ceramic tile glazing. 3. The following materials were tested and the concentrations of lead were found to be below the HUD definition of lead a containing material, namely as greater than or equal to one milligram per square centimeter (>1.0 mg/cm 2 ) or greater than or equal to one-half percent lead by weight (>0.5%) or greater than or equal to five thousand parts per million (>5000 ppm). For OSHA compliance, therefore, the Contractor shall assume that, at a minimum, some lead is present in all these materials and that they have the potential, until proven otherwise, to create a lead hazard. a. All tested interior and exterior paint except those noted in Paragraph 1. 3B.1 above; see Lead Summary Table for Cafeteria results. 4. The District has not has not verified that any paints, coatings, dusts, or materials are lead free or below 600 ppm therefore all trigger 1 construction activities, such as demolition of painted surfaces, manual scraping or sanding of painted surfaces, or renovations impacting painted surfaces and primed structural steel shall be completed using dust controls and personal protective measures in compliance with the Cal/OSHA Construction Lead Standard, 8 CCR All settled dust within ductwork, ceiling plenums, crawl spaces, attics, chases and non-regular housekeeping areas shall be treated as having a lead content greater than 600 ppm requiring dust controls in compliance with 8 CCR during [demolition] [renovations]. C. Other Hazards: 1. PCB-containing Fluorescent Light Ballasts: Fluorescent fixtures shall be treated as having a mix of PCB and non-pcb ballasts, requiring disposal of impacted suspect units as hazardous waste. 2. Mercury, Cadmium, and/or Sodium-Containing Fluorescent Light Tubes/Bulbs: Fluorescent and mercury vapor lamps on-site shall be treated as having mercury content requiring removal and recycling by this contract s renovation requirements. 3. Mercury-containing Thermometers: All thermostats shall be treated as mercury-containing, requiring removal, disposal as a hazardous waste or recycling, as noted in the Contract Documents. 4. Biological Hazards requiring compliance with Cal/OSHA s Bloodborne Pathogen standards, include, but are not necessarily limited to: a. Sewage, Sludge, and Bacterial Hazards From Untreated Sewage from leaking sewer lines or wastewater treatment facilities. b. Pigeon or animal waste. 5. Mold requiring remediation and personal protection in compliance with the Guidelines on Assessment and Remediation of Fungi in Indoor Environments (New York City Department of Health, April 2000), guidelines established in Bioaerosols Assessment and Control (J. Macher, Editor, ACGIH, 1999) and Mold Remediation in Schools and Commercial Buildings (U.S. Environmental Protection Agency, March 2001) and as otherwise noted in the Contract Documents. Existing Hazardous Material Information

10 SCA Project No.: B USE OF DATA A. Environmental consultation was obtained only for the use of the District and its Consultants for planning and design stages of this Project. The above mentioned report(s) are not, as a whole, part of the Contract Documents, but the survey data contained therein can be relied upon by the Contractor to characterize general site conditions, although quantities, friability and other factors may have changed or been altered since the published report date(s). B. All statements, findings, and interpretations in the above mentioned report(s) are those of the Survey or Abatement Consultant(s). The District makes no representations, either expressed or implied, as to the completeness or adequacy of the above-mentioned reports. Contractors are advised that the limited testing of components allow for generalizations in describing the extent of hazardous materials. Specific components or materials, should be checked against the referenced survey report(s) and the Contract Documents, or be tested at affected locations, prior to disturbance of such components or materials. C. Contractors shall visit the work site and acquaint themselves with its existing conditions. Difference in conditions, if any, shall be brought to the District s attention prior to bidding. 1.5 PRE-BID VISIT TO WORK SITE A. Prior to bidding, Contractors may make their own investigations to satisfy themselves as to the Site and subsurface conditions, but such investigations shall be performed only under the provisions [of Article Prebid Conference and Site Access of the Instructions to Bidders (Document 00100)] [set by the District during the Bid Walk Phase]. END OF DOCUMENT Existing Hazardous Material Information

11 B XRF Results REPRESENTATIVE SAMPLING OF LEAD-BASED PAINTS GALILEO HIGH SCHOOL, 1150 FRANCISCO ST., SAN FRANCISCO, CA SAMPLED BY SENSIBLE ENVIRONMENTAL SOLUTIONS, INC. IN 2006 & SCA ON 12/27/16 SCA PROJECT NO.: B Bldg. Sample I.D. Location Floor Façade Surface Color Substrate Component Substrate Material L-Shell Value mg/cm 2 LBP per HUD Criteria* Condition West OW-01-1 Cafeteria 101 Ground --- Off-White Upper Column Plaster 5.3 Yes Chipped & West OW-01-2 Cafeteria 101 Ground --- Off-White Lower Column Wallpaper 8.3 Yes Chipped Peeling& West OW-01-3 Cafeteria 101 Ground --- Off-White Upper Column Plaster 3 Yes Chipped Peeling& Peeling West OW-01-4 Cafeteria 101 Ground --- Off-White Lower Column Wallpaper 11.2 Yes Chipped & Peeling West BR-02-1 Cafeteria 101 Ground --- Brown Chair Rail Wood 11.7 Yes Chipped & Peeling West OW-01-5 Cafeteria 101 Ground --- Off-White Upper Column Plaster 0 No Chipped West BE-03-1 Cafeteria 101 Ground --- Beige Upper Column Plaster 2.1 Yes Chipped & Peeling West BE-03-2 Cafeteria 101 Ground --- Beige Lower Column Wallpaper 13.2 Yes Chipped & Peeling West MU-04-1 Cafeteria 101 Ground --- Mustard Upper Column Plaster 3.2 Yes Chipped & Peeling West MU-04-2 Cafeteria 101 Ground --- Mustard Lower Column Plaster 13.1 Yes Chipped & Peeling West BR-02-2 Cafeteria 101 Ground --- Brown Chair Rail Wood 17.3 Yes Chipped & Peeling West BR-02-3 Cafeteria 101 Ground --- Brown Door Frame Metal 0.03 No Chipped & Peeling West BR-02-4 Cafeteria 101 Ground --- Brown Door Metal 0 No Chipped & Peeling West OW-01-6 Cafeteria 101 Ground --- Off-White Walls Plaster 0.24 No Intact West OW-01-7 Cafeteria 101 Ground --- Off-White Screen Metal 0 No Intact West OW-01-8 Cafeteria 101 Ground --- Off-White Walls Plaster 2.2 Yes Chipped & Peeling West BE-03-3 Cafeteria 101 Ground --- Beige Window Sill Wood No Peeling Page 1 of 8

12 B XRF Results REPRESENTATIVE SAMPLING OF LEAD-BASED PAINTS GALILEO HIGH SCHOOL, 1150 FRANCISCO ST., SAN FRANCISCO, CA SAMPLED BY SENSIBLE ENVIRONMENTAL SOLUTIONS, INC. IN 2006 & SCA ON 12/27/16 SCA PROJECT NO.: B Bldg. Sample I.D. Location Floor Façade Surface Color Substrate Component Substrate Material L-Shell Value mg/cm 2 LBP per HUD Criteria* Condition West BR-02-5 Cafeteria 101 Ground --- Brown Chair Rail Wood 0 No Chipped & Peeling West BE-03-4 Cafeteria 101 Ground --- Beige Walls Plaster 0 No Chipped & Peeling West BE-03-5 Cafeteria 101 Ground --- Beige Radiator Metal 0.03 No Chipped & Peeling West BE-03-6 Cafeteria 101 Ground --- Beige Window Frame Wood 15.2 Yes Chipped & Peeling West BZ-05-1 Cafeteria 101 Ground --- Bronze Window Sash Metal 0.06 No Intact West WH-06-1 Cafeteria 101 Ground --- White Ceiling Laid-in Ceiling 0 No Intact Tiles West BE-03-7 Cafeteria 101 Ground --- Beige Window Sill Wood 11.4 Yes Chipped & Peeling West BE-07-1 Cafeteria 101 Ground --- Beige Floor Vinyl Tiles 0 No Intact West BR-08-1 Cafeteria 101 Ground --- Brown Baseboard Vinyl Tiles 0 No Intact West BE-09-1 Cafeteria 101 Ground --- Beige Baseboard Vinyl Tiles 0 No Intact West BE-03-8 Cafeteria 101 Ground --- Beige Shelves Wood 0.3 No Intact West BE-03-9 Cafeteria 101 Ground --- Beige Cabinets Wood 4.5 Yes Chipped West BR-02-6 Cafeteria 101 Ground --- Brown Door Frame Metal 0 No Intact West 6 Exterior 1st A Brown Door Casing Wood >9.9 Yes --- West 9 Exterior 1st A Brown Door Casing Metal 3.20 Yes --- West 14 Exterior Ground C White Flagpole Wood 5.00 Yes --- West 17 Exterior 1st C Brown Door Casing Wood 4.70 Yes --- West 20 Exterior 1st B Brown Door Casing Wood >9.9 Yes --- West 21 Exterior 1st B Brown Window Sash Wood >9.9 Yes --- West 22 Exterior 1st B Brown Window Sill Wood >9.9 Yes --- East 33 Exterior 1st D Brown Window Sash Wood >9.9 Yes --- East 34 Exterior 1st D Brown Window Sill Wood >9.9 Yes --- East 35 Exterior 1st D Brown Window Casing Wood >9.9 Yes --- Page 2 of 8

13 B XRF Results REPRESENTATIVE SAMPLING OF LEAD-BASED PAINTS GALILEO HIGH SCHOOL, 1150 FRANCISCO ST., SAN FRANCISCO, CA SAMPLED BY SENSIBLE ENVIRONMENTAL SOLUTIONS, INC. IN 2006 & SCA ON 12/27/16 SCA PROJECT NO.: B Bldg. Sample I.D. Location Floor Façade Surface Color Substrate Component Substrate Material L-Shell Value mg/cm 2 LBP per HUD Criteria* East 41 Exterior 1st C Brown Trap Frame Wood >9.9 Yes --- East 47 Exterior 1st B Brown Window Sash Wood >9.9 Yes --- East 48 Exterior 1st B Brown Window Sill Wood >9.9 Yes --- East 49 Exterior 1st B Brown Window Casing Wood >9.9 Yes --- East 51 Exterior 1st B Brown Window Sash Metal >9.9 Yes --- East 56 Tunnel Ground D White Walls Ceramic Tiles 7.50 Yes --- West 4 Stairs 109 1st B Beige Walls Concrete 4.10 Yes --- West 16 Toilet T10 1st B White Window Sash Wood >9.9 Yes --- West 17 Toilet T10 1st B White Window Casing >9.9 >9.9 Yes --- West 20 Janitor's Closet J111 1st B Blue Pipe Metal >9.9 Yes --- West 21 Janitor's Closet J111 1st C Gray Door Casing Metal >9.9 Yes --- West 22 Janitor's Closet J111 1st C Gray Door Metal >9.9 Yes --- West 23 Janitor's Closet J111 1st C Gray Baseboard Wood >9.9 Yes --- West 26 Corridor C12A 1st B Brown Door Wood 2.20 Yes --- West 29 Corridor C12A 1st D Brown Fire Wood 1.00 Yes --- West 32 Stair 3 1st D Brown Extinguisher Window Cabinet Sash Wood 1.40 Yes --- West 33 Stair 3 1st A Brown Chair Rail Wood 1.00 Yes --- West 37 Room M114 1st D Blue Railing Metal >9.9 Yes --- West 38 Room M114 1st D Gray Door Metal >9.9 Yes --- West 39 Room M114 1st D Gray Door Jamb Metal 1.00 Yes --- West 40 Room M113 1st C Blue Railing Metal 1.80 Yes --- West 42 Room M112 1st C Black Stair Stringer Metal 6.30 Yes --- West 43 Room M113 1st C Gray Door Metal 9.50 Yes --- West 44 Room M113 1st C Gray Door Casing Metal >9.9 Yes --- West 46 Room 117 1st C Red Door Wood 2.60 Yes --- West 47 Room 117 1st C Red Door Jamb Wood >9.9 Yes --- Condition Page 3 of 8

14 B XRF Results REPRESENTATIVE SAMPLING OF LEAD-BASED PAINTS GALILEO HIGH SCHOOL, 1150 FRANCISCO ST., SAN FRANCISCO, CA SAMPLED BY SENSIBLE ENVIRONMENTAL SOLUTIONS, INC. IN 2006 & SCA ON 12/27/16 SCA PROJECT NO.: B Bldg. Sample I.D. Location Floor Façade Surface Color Substrate Component Substrate Material L-Shell Value mg/cm 2 LBP per HUD Criteria* West 54 Room 117 1st D Brown Door Wood >9.9 Yes --- West 57 Room 117 1st A Brown Door Casing Wood 2.20 Yes --- West 64 Room 117A 1st B Brown Door Wood >9.9 Yes --- West 65 Room 117A 1st B Brown Door Casing Wood >9.9 Yes --- West 67 Room 120 1st A Beige Column Plaster 5.30 Yes --- West 68 Room 120 1st A Beige Cabinet Door Wood 8.10 Yes --- West 69 Room 120 1st A Beige Cabinet Wood 8.80 Yes --- West 71 Room 120 1st A Beige Door Wood >9.9 Yes --- West 72 Room 120 1st A Beige Door Casing Wood >9.9 Yes --- West 73 Room 120 1st B Beige Column Plaster 4.20 Yes --- West 74 Room 120 1st D Beige Column Plaster 4.30 Yes --- West 75 Room 120 1st C Beige Window Sill Wood >9.9 Yes --- West 76 Room 120 1st C Beige Window Casing Wood 3.90 Yes --- West 77 Room 120 1st C Brown Chair Rail Wood 8.90 Yes --- West 81 Room 108 1st A Gray Walls Plaster 6.40 Yes --- West 82 Room 108 1st A Gray Walls Canvas >9.9 Yes --- West 84 Room 108 1st A Gray Chair Rail Wood 5.90 Yes --- West 85 Room 108 1st A Gray Baseboard Wood 4.10 Yes --- West 89 Room 108 1st C Brown Door Jamb Wood 5.10 Yes --- West 92 Room 108B 1st A Gray Walls Concrete 3.70 Yes --- West 93 Room 108B 1st A Brown Window Sill Wood 4.30 Yes --- West 94 Room 108B 1st A Gray Baseboard Wood 4.30 Yes --- West 96 Room 107 1st A Gray Walls Plaster 4.90 Yes --- West 97 Room 107 1st A Gray Walls Canvas 5.00 Yes --- West 98 Room 107 1st A Gray Chair Rail Wood 4.70 Yes --- West 99 Room 107 1st A Gray Baseboard Wood 4.40 Yes --- West 100 Room 107 1st A Brown Window Sill Wood 5.60 Yes --- West 102 Room 107 1st C White Door Wood 5.10 Yes --- West 104 Room 107 1st C Brown Door Jamb Wood 3.30 Yes --- Condition Page 4 of 8

15 B XRF Results REPRESENTATIVE SAMPLING OF LEAD-BASED PAINTS GALILEO HIGH SCHOOL, 1150 FRANCISCO ST., SAN FRANCISCO, CA SAMPLED BY SENSIBLE ENVIRONMENTAL SOLUTIONS, INC. IN 2006 & SCA ON 12/27/16 SCA PROJECT NO.: B Bldg. Sample I.D. Location Floor Façade Surface Color Substrate Component Substrate Material L-Shell Value mg/cm 2 LBP per HUD Criteria* West 109 Janitor's Room 78 1st B Orange Support Metal >9.9 Yes --- West 111 Janitor's Room 78 1st C White Walls Concrete 1.00 Yes --- West 116 Corridor C11 1st C Brown Window Casing Wood 1.40 Yes --- West 117 Corridor C11 1st C Brown Window Sash Wood 3.30 Yes --- West 121 Room 105 1st D Gray Walls Concrete 2.80 Yes --- West 125 Room 105C 1st B Gray Walls Concrete 7.40 Yes --- West 128 Room 105B 1st A Gray Walls Concrete 8.70 Yes --- West 130 Room 105B 1st D Gray Walls Concrete 8.00 Yes --- West 132 Stairs 106 1st D Green Walls Concrete 9.20 Yes --- West 134 Stairs 106 1st B Green Walls Concrete 4.20 Yes --- West 137 Toilet T11 1st A White Walls Wood 8.90 Yes --- West 138 Toilet T11 1st A White Walls Plaster 1.90 Yes --- West 139 Toilet T11 1st A White Crown Molding Wood 6.40 Yes --- West 140 Toilet T11 1st A White Baseboard Wood 6.70 Yes --- West 141 Toilet T11 1st D White Door Wood >9.9 Yes --- West 142 Toilet T11 1st D White Door Casing Wood 7.80 Yes --- West 143 Toilet T11 1st D White Door Jamb Wood >9.9 Yes --- West 147 Room 104 1st B Gray Walls Concrete 4.20 Yes --- West 148 Room 104 1st B Gray Walls Concrete 2.00 Yes --- West 152 Room 119 1st B White Walls Canvas 2.10 Yes --- West 153 Room 119 1st B White Chair Rail Wood >9.9 Yes --- West 154 Room 119 1st B Brown Door Wood >9.9 Yes --- West 155 Room 119 1st B Brown Door Wood >9.9 Yes --- West 156 Room 119 1st A White Column Canvas >9.9 Yes --- West 160 Corridor C13 1st B Beige Walls Plaster 4.10 Yes --- West 167 Room 204 2nd B Blue Walls Canvas 9.50 Yes --- West 168 Room 204 2nd B Brown Window Sill Wood 2.30 Yes --- West 170 Room 204 2nd B Brown Baseboard Wood 2.20 Yes --- West 172 Room 204 2nd C Brown Door Jamb Wood 1.90 Yes --- Condition Page 5 of 8

16 B XRF Results REPRESENTATIVE SAMPLING OF LEAD-BASED PAINTS GALILEO HIGH SCHOOL, 1150 FRANCISCO ST., SAN FRANCISCO, CA SAMPLED BY SENSIBLE ENVIRONMENTAL SOLUTIONS, INC. IN 2006 & SCA ON 12/27/16 SCA PROJECT NO.: B Bldg. Sample I.D. Location Floor Façade Surface Color Substrate Component Substrate Material L-Shell Value mg/cm 2 LBP per HUD Criteria* West 179 Corridor C22 2nd D Beige Walls Canvas >9.9 Yes --- West 180 Corridor C22 2nd D Brown Fire Wood 2.10 Yes --- Extinguisher West 185 Room 205D 2nd D Purple Walls Canvas >9.9 Yes --- West 189 Room 205D 2nd D Black Baseboard Wood 2.20 Yes --- West 192 Room 205D 2nd D Beige Walls Canvas >9.9 Yes --- West 194 Room 205D 2nd D Brown Door Jamb Wood 1.00 Yes --- West 195 Room 205D 2nd D Brown Chair Rail Wood 1.00 Yes --- West 196 Room 205D 2nd D Brown Baseboard Wood 1.00 Yes --- West 198 Room 206 2nd A White Walls Canvas >9.9 Yes --- West 199 Room 206 2nd D Brown Cabinet Wood 1.90 Yes --- West 201 Room 206 2nd D Brown Door Casing Wood 2.20 Yes --- West 202 Room 206 2nd D Brown Baseboard Wood 2.10 Yes --- West 209 Toilet T208 2nd C White Walls Plaster 2.90 Yes --- West 210 Toilet T208 2nd B White Walls Plaster 2.80 Yes --- West 211 Toilet T208 2nd A White Door Wood >9.9 Yes --- West 212 Toilet T208 2nd A White Door Casing Wood >9.9 Yes --- West 213 Toilet T208 2nd B White Window Sill Wood >9.9 Yes --- West 215 Toilet T208 2nd D White Stall Wood >9.9 Yes --- West 217 Room 209 2nd D Purple Walls Canvas 9.40 Yes --- West 219 Room 209 2nd D White Door Jamb Wood 1.30 Yes --- West 220 Room 209 2nd A Brown Baseboard Wood 3.30 Yes --- West 223 Room 209 2nd B White Window Casing Wood 3.90 Yes --- West 224 Room 209 2nd C Brown Cabinet Wood 1.70 Yes --- West 229 Room 210 2nd A Black Baseboard Wood 2.10 Yes --- West 234 Room 211 2nd A Beige Walls Canvas >9.9 Yes --- West 239 Room 203 2nd B Brown Baseboard Wood 1.30 Yes --- West 240 Room 203 2nd C Brown Chalkboard Wood 1.50 Yes --- West 241 Room 203 2nd D Brown Cabinet Wood 1.80 Yes --- Condition Page 6 of 8

17 B XRF Results REPRESENTATIVE SAMPLING OF LEAD-BASED PAINTS GALILEO HIGH SCHOOL, 1150 FRANCISCO ST., SAN FRANCISCO, CA SAMPLED BY SENSIBLE ENVIRONMENTAL SOLUTIONS, INC. IN 2006 & SCA ON 12/27/16 SCA PROJECT NO.: B Bldg. Sample I.D. Location Floor Façade Surface Color Substrate Component Substrate Material L-Shell Value mg/cm 2 LBP per HUD Criteria* West 243 Room 203 2nd C Brown Door Wood 1.60 Yes --- West 245 Room 202 2nd A Green Window Sill Wood 2.10 Yes --- West 246 Room 202 2nd B Green Walls Canvas 7.50 Yes --- West 247 Room 202 2nd B Yellow Baseboard Canvas 3.10 Yes --- West 248 Room 202 2nd B Yellow Door Wood 1.70 Yes --- West 249 Room 202 2nd B Yellow Door Casing Wood 1.90 Yes --- West 250 Room 202 2nd B Yellow Cabinet Canvas 2.90 Yes --- West 252 Room 201 2nd A Blue Window Sill Wood 1.90 Yes --- West 253 Room 201 2nd B Blue Baseboard Wood 2.60 Yes --- West 254 Room 201 2nd C Blue Door Casing Wood 2.10 Yes --- West 262 Toilet T208 2nd D White Walls Plaster 3.50 Yes --- West 267 Toilet T208 2nd B White Window Casing Wood >9.9 Yes --- West 270 Room 220` 2nd C Gray Walls Plaster 3.50 Yes --- West 273 Room 220` 2nd C Brown Door Wood >9.9 Yes --- West 274 Room 220` 2nd C Brown Door Casing Wood >9.9 Yes --- West 275 Room 220` 2nd D Brown Window Sash Wood 6.60 Yes --- West 276 Room 220` 2nd D Brown Window Sill Wood 6.40 Yes --- West 277 Room 219 2nd A Brown Walls Wood 2.10 Yes --- West 278 Room 219 2nd B Brown Walls Wood 2.10 Yes --- West 279 Room 219 2nd B Brown Door Casing Wood 1.70 Yes --- West 281 Room 219 2nd A Brown Door Wood 1.60 Yes --- West 283 Room 219 2nd D White Window Sash Metal 1.60 Yes --- West 284 Room 219 2nd D White Window Sill Wood 2.90 Yes --- West 285 Room 218 2nd A Brown Walls Wood 2.20 Yes --- West 286 Room 218 2nd D Brown Walls Wood 2.10 Yes --- West 288 Room 218 2nd A White Window Sash Metal 2.80 Yes --- West 289 Room 218 2nd A White Window Sill Wood 2.20 Yes --- West 292 Room 217 2nd B White Walls Plaster 2.20 Yes --- West 293 Room 217 2nd B Blue Door Wood >9.9 Yes --- Condition Page 7 of 8

18 B XRF Results REPRESENTATIVE SAMPLING OF LEAD-BASED PAINTS GALILEO HIGH SCHOOL, 1150 FRANCISCO ST., SAN FRANCISCO, CA SAMPLED BY SENSIBLE ENVIRONMENTAL SOLUTIONS, INC. IN 2006 & SCA ON 12/27/16 SCA PROJECT NO.: B Bldg. Sample I.D. Location Floor Façade Surface Color Substrate Component Substrate Material L-Shell Value mg/cm 2 LBP per HUD Criteria* West 294 Room 217 2nd B Blue Door Casing Wood >9.9 Yes --- West 295 Room 217 2nd A Blue Window Sash Wood 9.70 Yes --- West 296 Room 217 2nd A Blue Window Sill Wood >9.9 Yes --- West 301 Room 214 2nd D White Walls Plaster 6.60 Yes --- West 302 Room 214 2nd D White Window Sill Wood >9.9 Yes --- West 306 Room 214 2nd B Beige Door Casing Wood >9.9 Yes --- West 307 Room 214 2nd B Beige Door Jamb Wood >9.9 Yes --- West 308 Room 212 2nd C White Walls Plaster 2.70 Yes --- West 309 Room 212 2nd A White Door Wood >9.9 Yes --- West 310 Room 212 2nd B White Door Casing Wood >9.9 Yes --- West 311 Room 212 2nd B White Door Jamb Wood >9.9 Yes --- West 312 Room 212 2nd D White Window Sill Wood >9.9 Yes --- West 314 Room 212 2nd D White Baseboard Wood 9.40 Yes --- West 316 Corridor C23 2nd A Beige Walls Plaster 4.80 Yes --- West 317 Corridor C23 2nd A Brown Walls Canvas >9.9 Yes --- West 318 Corridor C23 2nd A Brown Chair Rail Wood 4.00 Yes --- West 319 Corridor C23 2nd A Brown Baseboard Wood 4.00 Yes --- West 320 Corridor C23 2nd A Brown Window Sill Wood 3.90 Yes --- West 324 Toilet T22 2nd D Beige Window Sill Wood >9.9 Yes --- West 329 Toilet T21 2nd C Beige Walls Plaster 7.30 Yes --- West 330 Toilet T21 2nd D Beige Beige Plaster 6.90 Yes --- Condition * HUD definition for Lead-Based Paints is >1.0 mg/cm 2 or >0.5% lead by weight. Note: Paints and glazing with a detectable lead content are subject to the Contractor's compliance with Cal/OSHA regulation 8 CCR during demolition, scraping of loose and peeling paints, spot abatement prior to torching or cutting, etc. Figures in bold represent lead-based paints (LBP) per HUD definition. Table indicates representative samples only; treat all similarly painted surfaces in kind. Page 8 of 8

19 Revised:2/3/17 SECTION LEAD ABATEMENT WORK PLAN TABLE OF CONTENTS PART 1 - GENERAL SUMMARY OF WORK SUBMITTALS SCHEDULE CONTACTS: SECURITY SPECIAL CONDITIONS SUMMARY OF SAMPLING RESULTS:... 3 PART 2 - PRODUCTS (MATERIALS AND EQUIPMENT)... 4 PART 3 - EXECUTION LEAD HAZARD PROCEDURES MONITORING AND CLEARANCES DIAGRAMS... 6 Asbestos & Lead Abatement Work Plan i

20 Revised:2/3/17 SECTION LEAD ABATEMENT WORK PLAN PART 1 - GENERAL 1.1 SUMMARY OF WORK The work covered by this work plan includes the removal, handling and disposal of various hazardous materials in accordance with applicable federal, state and local regulations at the designated site. A copy of this Abatement Work Plan is to be posted on-site during the abatement work. The Abatement Summary of Work includes the following (as designated): X X X Stabilization of interior paints for repainting of the Cafeteria for Galileo Academy of Science and Technology, 1150 Francisco Street, San Francisco, CA 94109, nd Avenue, San Francisco, CA Scraping and stabilization of loose and peeling paints and associated dust controls and personal protective procedures in compliance with Cal/OSHA's Construction Lead Standard, 8 CCR , CDPH regulation 17 CCR Sections through and the EPA s RR&P rules, as applicable, for repainting and repairs to painted substrates. Because the Cafeteria Area contains HUD-defined lead-based paints, the stabilization and preparation work must be completed by CDPH Certified Lead Supervisors and Workers. Clean-up of contamination for post-construction clearance wipe testing. 1.2 SUBMITTALS Pre-job Submittals (as designated): X Cal/OSHA Lead Hazard Notification per 8 CCR (twenty four (24) hours in advance). X CDPH Notification Form 8551 (12/97) for Abatement of Lead Hazards. X Posting of EPA s Renovate Right pamphlet per EPA s RR&P rules. X Copy of current Contractors State Licensing Board (CSLB) License. X Proof of all required permits or variances. X Abatement work schedule. X Abatement work plan(s). X Copies of CDPH Certified Lead Worker's and Supervisor's training certificates, as applicable; X Copies of EPA RR&P Certified Renovator Certificate. X Copies of workers' annual medical exam and respirator approval. X Copies of workers' twelve (12) month respirator fit testing records. X Copies of workers' blood lead test within past ninety (90) days. X Safety Data Sheets (MSDS) for chemicals used. X Emergency phone and pager listing. Periodic Submittals (as designated): X Personal air monitoring (as collected). X Updated worker documentation (as needed). X Boundary access logs (daily). Abatement Work Plan

21 Revised:2/3/17 X Copies of updated notification to regulatory agencies (as needed). Project Close-out Submittals (as designated within two (2) weeks of completion): X Certificate of Completion. X Receipt and weight tickets from landfill operator or recycler (as applicable). X Copies of completed uniform waste manifests, including hazardous and nonhazardous waste. X Waste profiling data (TCLP, WET and SW846, as applicable). X Filter change logs for all filtration units, water filtration units (as applicable) and respirators. X Foreman s daily job reports. X Employee and visitor entry/exit logs for all containments. Manometer printouts for all applicable containments. X Air sample results for all personnel, work areas and air filtration units, as applicable. 1.3 SCHEDULE Start Date: End Date: Maximum Abatement Shifts: Time frame: 2017 Spring Break 2017 Spring Break To be indicated on Contractor s schedule See District s General Provisions 1.4 CONTACTS: Contact Individual Phone # FAX # Cell # SFUSD s Project Betty Hong (415) (415) HongB@sfusd.edu Manager: X1537 SCA Environmental, Inc. s Project Manager Glenn R. Cass, PE, CIH, CDPH #717, CAC # (510) (415) (510) or gcass@scaenviro.com Note: Contact SFUSD s Project Manager only in an emergency. 1.5 SECURITY Arrange site security with SFUSD at the beginning of the job. Provide temporary security at building penetrations created by the demolition and abatement SPECIAL CONDITIONS Air Sampling: 1. During all lead hazard-related work, such as demolition, torching and welding activities, etc., as applicable, perimeter air sample and/or lead wipe sample results will be collected by the District's Environmental Consultant (Industrial Hygienist). These samples will be analyzed by flame atomic absorption. Wipe sample results which are in excess of the construction dust control standard of eight hundred micrograms per square foot (>800 µg/sf) for adjoining construction zones on two (2) consecutive samplings (or two (2) consecutive days) or forty 40 micrograms per square foot (>40 µg/sf) for adjoining occupied (floor) areas on any occasion will require isolation and clean-up of the affected areas. Air sampling results in excess of the Cal/OSHA "Project Action Level" of thirty micrograms per cubic meter (>30 µg/m 3 ) will require isolation of Abatement Work Plan

22 Revised:2/3/17 the work area and amendment of work procedures and/or clean-up of the affected areas. Resampling of the affected areas and handling, shipping, and analysis charges (including the Environmental Consultant's time and expenses) for additional sampling required to show background levels below these construction lead standards shall be borne by the Contractor. Submittals: 1. All pre-construction submittals shall be forwarded to the District s Project Manager and the District s designated Environmental Consultant (Industrial Hygienist) in the Contract Documents and herein. 2. Failure by the Contractor to fulfill the submittal requirements as specified in the Contract Documents and herein shall be the basis for withholding final payment until such submittal requirements are satisfied. Additional Liquidated Damages: 1. The Contractor shall pay for all Environmental Consultant costs for delays in completion of work beyond the authorized schedule established by the District. Such charges shall include Consultant's observations and inspections, daily air monitoring, equipment, transportation and analysis charges. Such costs are estimated at $1,200 per day, exclusive of any costs associated with final clearance air testing. See the Liquidated Damages Section in the General Conditions for further requirements. Waste Manifests: 1. The Contractor shall coordinate the inspection and signing of all waste manifests with the District and its Environmental Consultant, while on-site. Failure to complete the manifests or callbacks after completion of the project will be backcharged to the Contractor. 1.7 SUMMARY OF SAMPLING RESULTS: No asbestos containing substrates have been identified for the Cafeteria Areas: The results of sampling are as follows: Damaged smooth wall and column plasters with white topcoat and gray base coat throughout the Cafeteria [SCA Sample I.D. GAL-WLPL thru 3]. Peeling off-white and beige paints throughout the Cafeteria [SCA Sample I.D. GAL- PAINT thru 3]. Damaged jute-like wallpaper with yellow mastics over smooth plasters on the lower columns typical throughout the Cafeteria [SCA Sample I.D. GAL-WALLPAPER thru 3]. Tan window putties at interior skylights at the 1 st Floor Cafeteria 101 [ACP Sample I.D thru 03]. Gray interior skylight window caulking at the 1 st Floor Cafeteria 101 [ACP Sample I.D ]. Abatement Work Plan

23 Revised:2/3/17 Lead-containing paints (LCPs) tested on-site, requiring protection from disturbances causing airborne lead dusts during the stabilization and preparation phase include: Peeling white column paints in 1 st Floor Cafeteria 101 in poor condition [ACP Sample I.D with 27,000 ppm lead]. Chipped and peeling off-white paints on the upper and lower plaster columns throughout [SCA Sample I.D. OW-01-1 thru 4 with 3.0 to 11.2 mg/cm 2 ]. Chipped and peeling brown paints on the perimeter and column wooden chair rails [SCA Sample I.D. BR-02-1 & 2 with 11.7 to 17.3 mg/cm 2 ]. Chipped and peeling beige paints on the plaster columns [SCA Sample I.D. BE-03-1 & 2 with 2.1 to 13.2 mg/cm 2 ]. Chipped and peeling off-white paints on perimeter plaster walls throughout [SCA Sample I.D. OW-01-8 with 2.2 mg/cm 2 ]. Chipped and peeling beige paints on the wooden window frames and window sills [SCA Sample I.D. BE-03-6, 7 & 9 with 4.5 to 15.2 mg/cm 2 ]. Treat all similar paints and substrates in kind. Note that all Cafeteria paints contain some lead content, and require demolition dust control procedures for compliance with Cal/OSHA's Construction Lead Standard under 8 CCR Scrape and stabilize all loose and peeling paints on-site and characterize for possible disposal as hazardous waste. Intact painted elements may be disposed as non-hazardous waste complying with dust controls and personal protective procedures per Cal/OSHA regulation 8 CCR and CDPH regulation 17 CCR Sections through PART 2 - PRODUCTS (MATERIALS AND EQUIPMENT) NOT USED PART 3 - EXECUTION 3.1 LEAD HAZARD PROCEDURES Lead Hazards Construction Work: Zone(s) L-1: Paint Stabilization, Painted Substrate Demolition and Dust Clean-up Sample I.D. Color Area Lead Content Activity Class HUD-defined Lead- Based Paints See Section 1.7 above Cafeteria >5,000 ppm or >0.5% or >1 mg/cm 2 1 Majority of painted substrates Varies See Section 1.7 above and Lead Summary Table <81 to 1,900 ppm 1 Abatement Work Plan

24 Revised:2/3/17 Lead Hazard Procedures for Zone(s) #L-1 (Applicable Indicated): Decon System: Shower Central X Hudson sprayer or bucket Required Methods: Full Containment X Manual Methods w/drop Cloths X Loose & Peeling Paints Stabilization Other Comments: For Stabilization of Loose & Peeling Paints: Post notices, including the EPA RR&P, Cal/OSHA and CDPH 8551 notices, as applicable, prior to start of work. Manually scrape and stabilize loose and peeling paints prior to demolition of painted substrates using drop cloths, wet methods, and HEPA vacuums for dust control in compliance with Cal/OSHA regulation 8 CCR and the EPA s RR&P rules. Avoid dry sweeping. Burning of paints, use of heat guns greater than 1,100 deg. F, and use of leaf blowers or compressed air for clean-up are prohibited. Use of mechanical equipment, such as sanders, grinders and needle guns without a HEPA-vacuum attached thereto are prohibited for school sites (per EPA s RR&P rules). Work areas shall be cleaned-up of lead hazards daily before leaving the site. For Mechanical Sanding: Work areas requiring mechanical sanding or stripping of painted surfaces with any lead content shall be fully contained with polyethylene dust barriers, establishing negative pressure of the zone, and using HEPA-filtered tools and other dust control procedures as outlined under 8 CCR For Disposal & Cleanup: Demolish and dispose of intact painted substrates as non-hazardous waste. Characterize and dispose of loose and peeling paint debris, chemical strippers, rags, etc. as potential hazardous waste. Clean-up drop cloths and HEPA vacuum loose and peeling chips and debris daily for all work areas before leaving the site. Complete all abatement/stabilization work using CDPH Certified Lead Workers and Supervisors Abatement Work Plan

25 Revised:2/3/ MONITORING AND CLEARANCES Lead Clearance Requirements (includes budgeted # of samples): Interior Cafeteria Zones X Post Abatement Visual Only 2 Post Construction/ Repainting Wipe Testing Floors 2 Post- Construction/ Repainting Wipe Testing Interior Window Sills 3.3 DIAGRAMS See the Contract Documents for areas of impact. Consultant's Signature: Glenn R. Cass, PE, CIH, CDPH #717, CAC # Date: 1/3/17 Contractor s Signature Date: Abatement Work Plan

26 SECTION REMOVAL AND DISPOSAL OF MATERIAL CONTAINING LEAD TABLE OF CONTENTS PART 1 GENERAL SUMMARY REFERENCES DEFINITIONS SUBMITTALS QUALITY ASSURANCE TIME LIMITATION AND DELAY CHARGES PART 2 PRODUCTS LEAD-RELATED WORK - MATERIALS AND EQUIPMENT OTHER HAZARDOUS MATERIALS - MATERIAL AND EQUIPMENT PART 3 EXECUTION EXAMINATION PREPARATION LEAD ABATEMENT AND HAZARD CONTROL WASTE DISPOSAL AND MANIFESTING FINAL PROJECT CLEAN-UP AND REOCCUPANCY CLEARANCE CRITERIA Removal and Disposal of Material Containing Lead i

27 SECTION REMOVAL AND DISPOSAL OF MATERIAL CONTAINING LEAD PART 1 GENERAL 1.1 SUMMARY A. Section Includes: Minimum requirements for hazardous materials handling, control, and abatement activities, as applicable, including, but not necessarily limited to: 1. Hazardous materials controls. 2. Handling and disposal of lead-based paints and lead-containing materials. 3. Demolition associated with access to hazardous materials. 4. Criteria for abatement zone clearance testing. 5. Criteria for reoccupancy clearance. B. Related Sections: 1. Section Lead Abatement Work Plan 2. Section Submittals. 3. Section Painting. 1.2 REFERENCES A. American Society for Testing and Materials (ASTM): 1. E84: "Test Method for Surface Burning Characteristics of Building Materials." 2. E119: Standard Method for Fire Tests of Building Construction and Materials. 3. E849: Safety and Health Requirements Relating to Occupational Exposure to Asbestos. B. American National Standards Institute (ANSI): 1. Z9.2: Fundamentals Governing the Design and Operation of Local Exhaust Systems. 2. Z41.1: Men s Safety Toe Footwear. 3. Z86.1: Commodity Specification for Air. 4. Z87.1: Practice for Occupational and Educational Eye and Face Protection. 5. Z88.2: Practices for Respiratory Protection. 6. Z88.6: Respiratory Protection - Respiratory Use Physical Qualifications for Personnel. Removal and Disposal of Material Containing Lead

28 7. Z89.1: Requirements for Industrial Head Protection. C. National Fire Protection Association (NFPA): 1. Standard 10: Fire Extinguishers. 2. Standard 70: National Electric Code. 3. Standard 90A: Fire Rating of Sprayed-On Fireproofing. 4. Standard 701: "Small Scale Fire Test for Flame Resistant Textiles and Films." D. California Department of Industrial Relations, Division of Occupational Safety and Health (Cal/OSHA): 1. Title 8 California Code of Regulations (8 CCR) Section Respiratory Protection. 2. Title 8 California Code of Regulations (8 CCR) Section Construction Lead Standard. 3. Title 8 California Code of Regulations (8 CCR), Article 4, Section Asbestos Standard for the Construction Industry. 4. Title 8 California Code of Regulations (8 CCR) Sections 3203 and Injury and Illness Prevention Program. 5. Title 8 California Code of Regulations (8 CCR), Article 110, Section Asbestos Standard for General Industry. 6. Title 8 California Code of Regulations (8 CCR), Article 2.5, Section for employer registration when disturbing more than one hundred square feet (100 SF) of ACCM. E. U. S. Department of Housing and Urban Development (HUD): Guidelines for the Evaluation and Control of Lead-Based Paint Hazards in Housing, referred to as the HUD Guidelines. F. U.S. Environmental Protection Agency Renovation, Repair & Painting (RR&P) Rules, effective April 2010 and amendments thereto. 1.3 DEFINITIONS A. Abatement: as defined by the Department of Public Health for lead hazards work, includes any set of measures designed to reduce or eliminate lead hazards. B. Activity Class/Category - Lead: Lead hazard designations assigned to work activities that involve leadcontaining materials. Activities that fall into Classes I through III, including as examples the operations defined below, are required to assume the following personal airborne exposure levels, unless otherwise demonstrated. 1. Activity Class I; exposure below five hundred micrograms per cubic meter (<500 µg/m 3 ). a. Surface clean-up of lead-containing dust or debris less than fifteen thousand micrograms per square foot (<15,000 µ/sf); Removal and Disposal of Material Containing Lead

29 b. Spray painting with lead-based paints; Manual demolition of structures (e.g. drywall, plaster, etc.); c. Manual sanding, grinding, needle gunning, chiseling, hammering, wire brushing, milling or scraping of lead-based coatings; d. Head gun removal of any surface coating; and power tool cleaning with dust collection systems. 2. Activity Class II; exposure greater tan five hundred micrograms per cubic meter (>500 µg/m 3 ) and less than twenty five hundred micrograms per cubic meter (<2,500 µg/m 3 ). a. Using lead mortar; b. Lead burning; c. Rivet busting; d. Power tool cleaning without dust collection systems; e. Clean-up of dry abrasive; and f. Abrasive blasting enclosure movement and removal 3. Activity Class III; exposure greater than twenty five hundred micrograms per cubic meter (>2,500 µg/m 3 ). a. Abrasive blasting of any coated surfaces; b. Welding on any coated surfaces; c. Torching or cutting or any coated surfaces; and d. Torch burning of any coated surfaces. C. Air Monitoring - The process of measuring the lead content of a specified volume of air in a stated period of time. D. Authorized Visitor - The Building Owner, or District's Representative, District's Consultant, or a representative of any regulatory or other agency having jurisdiction over the project. E. Certified Lead Worker: includes those who do lead-related construction work activities on a work site under the directions of a Certified Lead Supervisor, including: 1. Removal, disposal or abatement of loose and peeling lead-based paints as defined by HUD, including scraping, demolition or other Cal/OSHA Activity 1 through 3 work as defined above. 2. Removal or repair of lead plumbing. 3. Repainting or general construction on surfaces painted with lead-based paints. 4. Removal, enclosing or covering of lead-contaminated soils. Removal and Disposal of Material Containing Lead