HAZARDOUS MATERIALS SPECIFICATIONS BID SUBMITTAL

Transcription

1 HAZARDOUS MATERIALS SPECIFICATIONS BID SUBMITTAL San Francisco Unified School District Buena Vista / Horace Mann K-8 School Security Additions for CCTV Surveillance and Security Intrusion alarm rd Street San Francisco, CA SFUSD Project N Prepared For: San Francisco Unified School District Facilities Design and Construction 135 Van Ness Avenue San Francisco, CA Prepared By: Sensible Environmental Solutions Inc Willow Pass Court Concord, CA August 8, 2018 SES Project No

2 HAZARDOUS MATERIALS ABATEMENT TABLE OF CONTENTS EXISTING SITE CONDITIONS Number of Pages Section Existing Hazardous Materials Conditions DIVISION 01 GENERAL REQUIREMENTS Section Summary of Hazardous Materials Work Section Work Procedures for Asbestos Contaminated Spaces... 9 DIVISION 02 SITE WORK Section Asbestos Abatement Section Lead-Impacted Construction & Abatement ABATEMENT PLANS Not used. AUGUST 8, 2018 TOC - 1 Table of Contents

3 SECTION EXISTING HAZARDOUS MATERIALS CONDITIONS PART 1 GENERAL 1.01 SUMMARY A. This section provides a list of known and assumed hazardous materials that may be impacted during renovation, demolition, repair, custodial and/or maintenance activities. The hazardous materials information has been provided through existing surveys conducted by the San Francisco Unified School District (District) and the District s environmental consultants. B. Some materials and items found at the Site either contain or may contain materials known to the State of California to be either hazardous, carcinogenic or reproductive toxins. These include but are not limited to asbestos, lead, PCB s, silica, and other materials. C. The Contractor shall hold the District and its consultants harmless for claims, damages, losses, and expenses, including attorney s fees arising out of the Contractor s hazardous materials related work including releases from any incidental disturbance of existing hazardous materials, on-site or off-site spills of hazardous materials, or from non-compliance with the Contract Documents and regulatory requirements HAZARD COMMUNICATION A. The District may have conducted previous hazardous materials abatement projects at the site. The hazardous materials abatement oversight information is available for review by appointment only through the District s Asbestos Control Program at (415) B. Copies of previous hazardous materials report(s) and the AHERA Management Plan for the site are available for review by appointment only through the District s Asbestos Control Program at (415) C. Asbestos Hazards at Buena Vista / Horace Mann K-8 School: 1. Asbestos has been identified or shall be treated as containing asbestos at concentrations greater than one percent (>1%) in the following materials: a. Exterior Site 1) Assumed asbestos cement underground sewer, water and drain piping located throughout the entire site. AUGUST 8, Existing Hazardous Materials Conditions

4 b. Academic Building 1) Tan sheet flooring, backing and mastics (4% Chrysotile asbestos) at Rooms 202, 204 and 210A. 2) 12 x12 white floor tile and mastic (1-5% Chrysotile asbestos) at Rooms 302A, 302B and 304A. 3) Black floor tile mastic (1-5% Chrysotile asbestos) located below nonasbestos containing flooring at Classroom ) 9 x9 floor tile and mastic (1-5% Chrysotile asbestos) at Rooms T50, 52 and ) Pipe insulation (2-20% Chrysotile asbestos, 15% Amosite asbestos) on straight pipe runs, pipe elbows and tees at Rooms 204, 301, 302, 303 and 306, Crawlspace 1 and Crawlspace 2 (encased in concrete beams at various locations), Crawlspace 3, Plenum/Crawlspace 000 and throughout at ceiling plenums and wall cavities. 6) Pipe insulation debris (5-20% Chrysotile asbestos) at Crawlspace 3. 7) Assumed AC mechanical flange gaskets at the Boiler Room. 8) Assumed asbestos cement counter tops at Rooms 301, 303, 303A and ) All assumed AC roofing materials at Walkway 2 Roof (Covered Walkway from the Academic Building to the Shop Building). c. Auditorium Building 1) Pipe insulation (2-20% Chrysotile asbestos, 15% Amosite asbestos) on straight pipe runs, pipe elbows and tees at Auditorium Stage 119A, all Crawlspaces and throughout at ceiling plenums and wall cavities. 2) Pipe insulation debris (5-20% Chrysotile asbestos) at all Crawlspaces. d. Girls Gymnasium Building 1) Interior and exterior white and gray window glazing compounds (2% Chrysotile asbestos) at metal windows at Rooms 120A and 120B. 2) Pipe insulation (2-20% Chrysotile asbestos, 15% Amosite asbestos) on straight pipe runs, pipe elbows and tees at Music Rooms 100 and 100A, 120, 120C, 121, 121A E and 122, all Crawlspaces and throughout at ceiling plenums and wall cavities. 3) Asbestos cement chalkboards and mastics at Classroom 100. e. Shop Building 1) 12 x12 light tan floor tile with white blotches (2% Chrysotile asbestos) at Rooms 151, 151A and the east half of Room ) Black floor tile mastic (1-5% Chrysotile asbestos) located below nonasbestos containing flooring at Rooms 251 and 252. AUGUST 8, Existing Hazardous Materials Conditions

5 3) Pipe insulation (2-20% Chrysotile asbestos, 15% Amosite asbestos) on straight pipe runs, pipe elbows and tees at Rooms 151, 151B, 153, 155, 155B and all Crawlspaces and throughout at ceiling plenums and wall cavities. 4) Asbestos cement chalkboards and mastics at Classroom ) All assumed AC roofing materials at Walkway 2 Roof (covered walkway from the Academic Building to the Shop Building), Roof 4A (Shop Building) and Roof 5A (Shop Building). f. Boys Gymnasium / Cafeteria Building 1) Thermal system duct insulation (28% Amosite asbestos) at the ceiling plenum above Kitchen 123 and 123H. 2) Interior and exterior white and gray window glazing compounds (2% Chrysotile asbestos) at wood and metal windows at the Cafeteria Building at the Cafeteria Building. 3) Pipe insulation (2-20% Chrysotile asbestos, 15% Amosite asbestos) on straight pipe runs, pipe elbows and tees at Rooms 123, 123B and 124 and throughout at ceiling plenums and wall cavities. 4) Assumed AC mechanical flange gasket at the Boiler Room. 5) All assumed AC roofing materials at Roof 5 (Boy s Gymnasium Building) and Roof 6 (Cafeteria Building) See attached Floor Plan located behind this section for roof locations. 2. Asbestos has been identified at concentrations less than one percent (<1%) in the following materials: a. Exterior paints on concrete walls and concrete stairwells ( % Chrysotile asbestos) at the Shop Building and Boys Gymnasium / Cafeteria Building. 3. The following sampled suspect materials had results that reported NO asbestos detected by PLM analysis: a. Exterior Site 1. Exterior paints on concrete retaining walls at the playground areas at the Bartlett Street side of the campus and concrete fencing walls at the Valencia Street side of the campus. 2. Asphalt Paving at play yards. b. Academic Building 1) Interior smooth and rough coated finish plasters, base plasters and concrete at walls and ceilings throughout interiors. 2) Gypsum board and taping compound at walls and ceilings throughout interiors. 3) Interior paints throughout. AUGUST 8, Existing Hazardous Materials Conditions

6 4) Acoustic wall and ceiling tiles and associated mastics throughout. 5) Tack boards, backing and mastics throughout. 6) Fiberboard chalkboards, backing and mastics throughout. 7) Cove base and mastics throughout. 8) Gray marmoleum sheet flooring, backing and glues. 9) Brown, gray, red and green colored sheet flooring, backing and mastic throughout interiors. 10) White floor leveling compounds throughout. 11) Black coating on science classrooms sinks at Rooms 301, 303, 303A and ) Black lab countertops at Rooms 251 and ) White sink undercoatings at stainless steel sinks. 14) Window glazing compounds at wood windows. 15) All ceramic wall and base tiles, grout and mortar / glues. 16) All ceramic floor tiles, grout and mortar / glues. 17) Exterior stucco/plaster and paints at exterior walls and walkway ceilings. 18) Exterior paints on concrete walls (Note: the exterior paints at concrete walls at the Cafeteria Building, Boys Gymnasium Building and Shop Building were found to contain asbestos ranging from 0.04% to 0.12% Chrysotile asbestos by PLM 1200 Point Count). 19) All roofing materials. c. Auditorium Building 1) Interior smooth and rough coated finish plasters, base plasters and concrete at walls and ceilings throughout interiors. 2) Gypsum board and taping compound at walls and ceilings throughout interiors. 3) Interior paints throughout. 4) Acoustical spray-on ceiling material at 119 Auditorium and the Balcony. 5) Acoustic wall and ceiling tiles and associated mastics throughout. 6) Tack boards, backing and mastics throughout. 7) Fiberboard chalkboards, backing and mastics throughout. 8) Cove base and mastics throughout. 9) White floor leveling compounds throughout. 10) All ceramic wall and base tiles, grout and mortar / glues. 11) All ceramic floor tiles, grout and mortar / glues. 12) Exterior stucco/plaster and paints at exterior walls and walkway ceilings. 13) Exterior paints on concrete walls (Note: the exterior paints at concrete walls at the Cafeteria Building, Boys Gymnasium Building and Shop Building were found to contain asbestos ranging from 0.04% to 0.12% Chrysotile asbestos by PLM 1200 Point Count). 14) All roofing materials at the Auditorium Building and Walkway #1 Roof (Adjacent to Auditorium Building). AUGUST 8, Existing Hazardous Materials Conditions

7 d. Girls Gymnasium Building 1) Interior smooth and rough coated finish plasters, base plasters and concrete at walls and ceilings throughout interiors. 2) Gypsum board and taping compound at walls and ceilings throughout interiors. 3) Interior paints throughout. 4) Acoustic wall and ceiling tiles and associated mastics throughout. 5) Tack boards, backing and mastics throughout. 6) Fiberboard chalkboards, backing and mastics throughout. 7) Cove base and mastics throughout. 8) White floor leveling compounds throughout. 9) Newly installed flooring at Classroom 100 as part of the 2003 Bond Modernization Project. 10) Red cementitious flooring at Rooms 120, 120B, 120C, 121A, 121E and J73. 11) All ceramic wall and base tiles, grout and mortar / glues. 12) All ceramic floor tiles, grout and mortar / glues. 13) Exterior stucco/plaster and paints at exterior walls and walkway ceilings. 14) Exterior paints on concrete walls (Note: the exterior paints at concrete walls at the Cafeteria Building, Boys Gymnasium Building and Shop Building were found to contain asbestos ranging from 0.04% to 0.12% Chrysotile asbestos by PLM 1200 Point Count). 15) All roofing materials at the Girls Gymnasium Building. e. Shop Building 1) Interior smooth and rough coated finish plasters, base plasters and concrete at walls and ceilings throughout interiors. 2) Plaster patch at interior concrete walls at interior wood window framing at Room ) Gypsum board and taping compound at walls and ceilings throughout interiors. 4) Interior paints throughout. 5) Acoustic wall and ceiling tiles and associated mastics throughout. 6) Tack boards, backing and mastics throughout. 7) Fiberboard chalkboards, backing and mastics throughout. 8) Cove base and mastics throughout. 9) Black and gray felt underlayments throughout the First and Second Floors. 10) Yellow glue, tar paper and wood underlayment at Room 151 and the east half of Room 153 at the Shop Building (Note: the floor tile contains asbestos at concentrations >1%). 11) White floor leveling compounds throughout. 12) Brown, red and green colored sheet flooring, backing and mastic throughout interiors. 13) White sink undercoatings at stainless steel sinks. 14) Red coating on concrete floors and concrete base at Room 151B. AUGUST 8, Existing Hazardous Materials Conditions

8 15) All ceramic wall and base tiles, grout and mortar / glues. 16) All ceramic floor tiles, grout and mortar / glues. 17) Exterior stucco/plaster and paints at exterior covered walkway walls and walkway ceilings (Note: the exterior paints at concrete walls at the Cafeteria Building, Boys Gymnasium Building and Shop Building were found to contain asbestos ranging from 0.04% to 0.12% Chrysotile asbestos by PLM 1200 Point Count). 18) All roofing materials at the Walkway Roof located at the east side of the Shop Building. f. Boys Gymnasium / Cafeteria Building 1) Interior smooth and rough coated finish plasters, base plasters and concrete at walls and ceilings throughout interiors. 2) Gypsum board and taping compound at walls and ceilings throughout interiors. 3) Interior paints throughout. 4) Acoustic wall and ceiling tiles and associated mastics throughout. 5) Tack boards, backing and mastics throughout. 6) Fiberboard chalkboards, backing and mastics throughout. 7) Cove base and mastics throughout. 8) 12 X12 white floor tile and mastic at Room 116 (Cafeteria). 9) White floor leveling compounds throughout. 10) Brown, red and green colored sheet flooring, backing and mastic throughout interiors. 11) Gray window glazing compounds at metal windows at C97. 12) Black window glazing compounds at metal windows at 116B. 13) All ceramic wall and base tiles, grout and mortar / glues. 14) All ceramic floor tiles, grout and mortar / glues. 15) Exterior stucco/plaster and paints at exterior covered walkway walls and walkway ceilings (Note: the exterior paints at concrete walls at the Cafeteria Building, Boys Gymnasium Building and Shop Building were found to contain asbestos ranging from 0.04% to 0.12% Chrysotile asbestos by PLM 1200 Point Count). 4. Areas and/or Spaces known or presumed to be contaminated with asbestos containing materials, dust, and debris include: a. Crawlspaces at the Auditorium Building including Crawlspace No. 3 and Crawlspace 005 are contaminated with asbestos containing pipe insulation debris and damaged asbestos containing pipe insulation. Access to these spaces is restricted to asbestos trained personnel only. Refer to Section Work Procedures for Asbestos Contaminated Spaces for specific training and submittal requirements for personnel who will be working in asbestos controlled spaces but not performing asbestos abatement work. Refer to Section Asbestos Abatement for specific training and submittal requirements for personnel who will be conducting asbestos abatement work within asbestos controlled spaces. AUGUST 8, Existing Hazardous Materials Conditions

9 5. Areas and/or Spaces where asbestos abatement was conducted include: a. The asbestos containing pipe insulation, boiler insulation and hot water tank insulation were removed at Boiler Room 002 in the summer of b. The asbestos containing pipe insulation at Boys Gymnasium 213 was removed in the summer of c. All roofing materials at Roof 1A (Academic Building), Roof 2A (Girls Gymnasium Building), Walkway #1 Roof (Adjacent to Auditorium Building) and Roof 3A (Girls Gymnasium Building) were removed in the summer of d. All roofing materials at Roof 1 (Academic Building), Roof 2 (Auditorium Building), Roof 3 (Girls Gymnasium Building) and Roof 4 (Shop Building) were removed in the summer of e. All asbestos containing pipe insulation and pipe insulation debris were removed from the Boys Gymnasium / Cafeteria Crawlspaces and the areas decontaminated in the summer of f. Asbestos containing pipe insulation and debris was removed from Crawlspaces 1 and 2 at the Academic Builidng in 2012 (Note: asbestos containing pipe insulation is sill located at Crawlspaces 1 and 2 encased in concrete beams at various locations). D. Lead Hazards at Buena Vista / Horace Mann K-8 School: 1. Lead has been detected in individual painted surfaces and surface coatings in concentrations greater than 5,000 parts per million (ppm) lead or 1.0 milligram of lead per square centimeter (mg/cm 2 ). Where ranges of lead levels are indicated, Contractor shall presume the highest level is typical. These lead containing surfaces include, but are not limited to the following: a. Exterior Site 1) Paints on all of the following building materials: a) Wood flagpole and metal flagpole base (1.0 to 2.4 mg/cm 2 ). b. Academic Building 1) Paints on all of the following building materials: a) Exterior wood door casings (1.7 to >9.9 mg/cm 2 ). b) Exterior wood windows, wood window sills and wood window casings (2.9 to >9.9 mg/cm 2 ) (Note: There are only a few existing wood windows remaining at the Academic Building. The majority of the old wood windows have been removed and new windows installed in the old wood framing which contains LBP). c) Exterior metal louvered vents (1.0 mg/cm 2 ). d) Interior vinyl/canvas wall coverings (1.0 to >9.9 mg/cm 2 ). e) Interior wood chair rail and crown molding (1.0 to >9.9 mg/cm 2 ). AUGUST 8, Existing Hazardous Materials Conditions

10 f) Interior wood baseboards (1.0 to >9.9 mg/cm 2 ). g) Interior wood windows, wood window sills and wood window casings (1.0 to >9.9 mg/cm 2 ) Note: There are only a few existing wood windows remaining at the Academic Building. The majority of the old wood windows have been removed and new windows installed in the old wood framing which contains LBP). h) Interior wood door casings (1.0 to >9.9 mg/cm 2 ). i) Interior wood doors (1.0 to >9.9 mg/cm 2 ). j) Interior metal elevator doors and door frames (1.0 mg/cm 2 ). k) Painted and non-painted tack boards (1.8 to 2.1 mg/cm 2 ). l) Interior metal ceiling and roof access hatch ladders (2.7 mg/cm 2 ). m) Interior wood ceiling access hatch covers (2.7 to 9.2 mg/cm 2 ). n) Interior metal window covers (2.3 to 8.1 mg/cm 2 ). o) Interior metal condensate piping (1.0 mg/cm 2 ). 2) Paints on interior plaster walls and ceilings at Restroom 52, Restroom 113A, AP113, Counselor 118, Corridors C90A and C91, Storage 102, Storage 104, Main Office 126, Office 117, Vestibule 117A, Storage 117B, Office 106, Storage 106A, Janitor J72 and Stair S82 (1.0 to >9.9 mg/cm 2 ). 3) Paints on interior wood wainscot walls and wood ceilings at J70, J71, J72, 104, 117B and C90A Closet (1.0 to >9.9 mg/cm 2 ). 4) Paints on interior wood screens at Room 105 (4.0 mg/cm 2 ). 5) Paints on interior wood cabinets at Classrooms (1.0 and 1.0 mg/cm 2 ). 6) Paints on interior wood rail caps at Stair S82 (1.0 mg/cm 2 ). c. Auditorium Building 1) Paints on all of the following building materials: a) Exterior wood door casings (1.7 to >9.9 mg/cm 2 ). b) Exterior wood windows, wood window sills and wood window casings (2.9 to >9.9 mg/cm 2 ) (Note: There are only a few existing wood windows remaining at the Auditorium Building. The majority of the old wood windows have been removed and new windows installed in the old wood framing which contains LBP). c) Interior plaster walls and ceilings (1.0 to >9.9 mg/cm 2 ). d) Interior concrete walls and ceilings (1.0 to 7.4 mg/cm 2 ). e) Interior wood wainscot walls at Auditorium 119 and Balcony 219 (1.0 to >9.9 mg/cm 2 ). f) Interior wood chair rail and crown molding (1.0 to >9.9 mg/cm 2 ). g) Interior wood baseboards (1.0 to >9.9 mg/cm 2 ). h) Interior wood windows, wood window sills and wood window casings (1.0 to >9.9 mg/cm 2 ) Note: There are only a few existing wood windows remaining at the Academic Building. The majority of the old wood windows have been removed and new windows installed in the old wood framing which contains LBP). i) Interior wood door casings and doors (1.0 to >9.9 mg/cm 2 ). j) Painted and non-painted tack boards throughout (1.8 to 2.1 mg/cm 2 ). AUGUST 8, Existing Hazardous Materials Conditions

11 k) Interior metal ceiling and roof access hatch ladders (2.7 mg/cm 2 ). l) Interior wood ceiling access hatch covers (2.7 to 9.2 mg/cm 2 ). 2) Paints on interior wood and metal hand rails at Balcony 219 (>9.9 and >9.9 mg/cm 2 ). 3) Paints on interior wood columns at 119A (7.8 mg/cm 2 ). 4) Paints on interior wood wall trim at 119A (4.7 mg/cm 2 ). d. Girls Gymnasium Building 1) Paints on all of the following building materials: a) Exterior wood windows, wood window sills and wood window casings (2.9 to >9.9 mg/cm 2 ). b) Exterior wood door casings (1.7 to >9.9 mg/cm 2 ). c) Interior wood chair rail and crown molding (1.0 to >9.9 mg/cm 2 ). d) Interior wood baseboards (1.0 to >9.9 mg/cm 2 ). e) Interior wood windows, wood window sills and wood window casings (1.0 to >9.9 mg/cm 2 ). f) Interior wood door casings (1.0 to >9.9 mg/cm 2 ). g) Interior wood doors (1.0 to >9.9 mg/cm 2 ). h) Painted and non-painted tack boards throughout (1.8 to 2.1 mg/cm 2 ). i) Interior metal ceiling and roof access hatch ladders (2.7 mg/cm 2 ). j) Interior wood ceiling access hatch covers (2.7 to 9.2 mg/cm 2 ). k) Interior metal window covers (2.3 to 8.1 mg/cm 2 ). 2) Paints on all interior wood finishes including but not limited to baseboards, wall trim, chair rail walls, windows, window sills, window casings, roof ceilings, roof beams, roof joists, etc. at Gym 121 (1.0 to >9.9 mg/cm 2 ). 3) Paints on interior metal piping at Girls T64 (5.7 mg/cm 2 ). e. Shop Building 1) Paints on all of the following building materials: a) Exterior wood windows, wood window sills, wood window casings and metal window security screens (2.9 to >9.9 mg/cm 2 ). b) Exterior wood door casings (1.7 to >9.9 mg/cm 2 ). c) Interior plaster walls and ceilings (1.0 to >9.9 mg/cm 2 ). d) Interior concrete walls and ceilings (1.0 to 7.4 mg/cm 2 ). e) Interior vinyl/canvas wall coverings (1.0 to >9.9 mg/cm 2 ). f) Interior wood chair rail and crown molding (1.0 to >9.9 mg/cm 2 ). g) Interior wood baseboards (1.0 to >9.9 mg/cm 2 ). h) Interior wood windows, wood window sills and wood window casings (1.0 to >9.9 mg/cm 2 ). i) Interior wood door casings (1.0 to >9.9 mg/cm 2 ). j) Interior wood doors (1.0 to >9.9 mg/cm 2 ). AUGUST 8, Existing Hazardous Materials Conditions

12 k) Painted and non-painted tack boards throughout (1.8 to 2.1 mg/cm 2 ). l) Interior metal ceiling and roof access hatch ladders (2.7 mg/cm 2 ). m) Interior wood ceiling access hatch covers (2.7 to 9.2 mg/cm 2 ). 2) Paints on interior wood wainscot walls at 155B (1.0 to >9.9 mg/cm 2 ). 3) Paints on interior metal window casings at T55 (7.6 mg/cm 2 ). 4) Paints on interior metal support columns at T55 (2.0 mg/cm 2 ). 5) Paints on interior wood hand rails at Stair S86 (1.0 mg/cm 2 ). f. Boys Gymnasium / Cafeteria Building 1) Paints on all of the following building materials: a) Exterior wood windows, wood window sills, wood window casings and metal and wood window security screens (2.9 to >9.9 mg/cm 2 ). b) Exterior metal windows (2.9 to 3.9 mg/cm 2 ). c) Exterior wood door casings (1.7 to >9.9 mg/cm 2 ). d) Interior plaster walls and ceilings (1.0 to >9.9 mg/cm 2 ). e) Interior concrete walls and ceilings (1.0 to 7.4 mg/cm 2 ). f) Interior vinyl/canvas wall coverings (1.0 to >9.9 mg/cm 2 ). g) Interior wood chair rail, crown molding and skylight trim (1.0 to >9.9 mg/cm 2 ). h) Interior wood baseboards (1.0 to >9.9 mg/cm 2 ). i) Interior wood windows, wood window sills and wood window casings (1.0 to >9.9 mg/cm 2 ). j) Interior metal windows (1.0 to 2.6 mg/cm 2 ). k) Interior metal window covers (2.3 to 8.1 mg/cm 2 ). l) Interior wood door casings (1.0 to >9.9 mg/cm 2 ). m) Interior wood doors (1.0 to >9.9 mg/cm 2 ). n) Painted and non-painted tack boards throughout (1.8 to 2.1 mg/cm 2 ). o) Interior metal ceiling and roof access hatch ladders (2.7 mg/cm 2 ). p) Interior wood ceiling access hatch covers (2.7 to 9.2 mg/cm 2 ). 2) Paints on interior metal door frames at C99 and 123H (1.6 to 1.7 mg/cm 2 ). 3) Ceramic wall tile at Rooms 116C, 123, 123A, 123C, 123D, 123E, 123H and C99 (6.7 to >9.9 mg/cm 2 ). 2. Lead has been identified in individual painted surfaces and surface coatings in concentration less than 5,000 ppm lead or 1.0 mg/cm 2. Where ranges of lead levels are indicated, Contractor shall presume the highest level is typical. These lead containing surfaces include, but are not limited to the following surfaces: a. Exterior Site 1) Paints on all of the following building materials: a) Exterior wood benches and planter boxes (-0.1 to 0.1 mg/cm 2 ). b) Exterior metal railings (-0.2 to 0.4 mg/cm 2 ). AUGUST 8, Existing Hazardous Materials Conditions

13 b. Academic Building 1) Paints on all of the following building materials: a) Exterior concrete and stucco/plaster walls and covered walkway ceilings (-0.1 to 0.2 mg/cm 2 ). b) Exterior concrete columns (0.2 mg/cm 2 ). c) Exterior wood and metal doors (-0.1 to 0.3 mg/cm 2 ). d) Exterior metal door casings (-0.1 to 0.1 mg/cm 2 ). e) Exterior metal railings (-0.2 to 0.4 mg/cm 2 ). f) Exterior wood and metal window security screens (0.0 to 0.6 mg/cm 2 ). g) Exterior wood wall trim and fascia (-0.2 to 0.2 mg/cm 2 ). h) Exterior ceramic wall tile (-0.1 mg/cm 2 ). i) Interior concrete floors (-0.4 to 0.3 mg/cm 2 ). j) Interior metal doors (0.0 to 0.4 mg/cm 2 ). k) Interior metal lockers (-0.3 to 0.6 mg/cm 2 ). l) Interior metal meter boxes (-0.1 to 0.0 mg/cm 2 ). m) Interior wood stair stringers and rail caps at stairwells (-0.1 to 0.0 mg/cm 2 ). n) Interior wood bookcases (-0.1 mg/cm 2 ). o) Interior fiberboard chalkboards (0.2 mg/cm 2 ). 2) Stains on interior wood doors (-0.2 to 0.0 mg/cm 2 ). 3) Glazings on ceramic floor tile (-0.2 to 0.0 mg/cm 2 ). 4) Glazings on ceramic wall and base tile at 001 and 212 (-0.3 to 0.2 mg/cm 2 ). 5) Paints on interior concrete walls and ceilings (-0.2 to 0.4 mg/cm 2 ). 6) Paints on interior plaster walls and ceilings excluding Restroom 52, Restroom 113A, AP113, Counselor 118, Corridors C90A and C91, Storage 102, Storage 104, Main Office 126, Office 117, Vestibule 117A, Storage 117B, Office 106, Storage 106A, Janitor J72 and Stair S82 (-0.2 to 0.6 mg/cm 2 ). 7) Paints on interior wood dividers at 103A 103F (-0.1 to 0.1 mg/cm 2 ). c. Auditorium Building 1) Paints on all of the following building materials: a) Exterior concrete and stucco/plaster walls and covered walkway ceilings (-0.1 to 0.2 mg/cm 2 ). b) Exterior concrete columns (0.2 mg/cm 2 ). c) Exterior wood and metal doors (-0.1 to 0.3 mg/cm 2 ). d) Exterior metal door casings (-0.1 to 0.1 mg/cm 2 ). e) Exterior metal railings (-0.2 to 0.4 mg/cm 2 ). f) Exterior wood and metal window security screens (0.0 to 0.6 mg/cm 2 ). g) Exterior wood wall trim and fascia (-0.2 to 0.2 mg/cm 2 ). h) Exterior ceramic wall tile (-0.1 mg/cm 2 ). i) Interior concrete floors (-0.4 to 0.3 mg/cm 2 ). AUGUST 8, Existing Hazardous Materials Conditions

14 j) Interior metal doors (0.0 to 0.4 mg/cm 2 ). k) Interior metal lockers (-0.3 to 0.6 mg/cm 2 ). l) Interior metal meter boxes (-0.1 to 0.0 mg/cm 2 ). m) Interior wood stair stringers and rail caps at stairwells (-0.1 to 0.0 mg/cm 2 ). n) Interior fiberboard chalkboards (0.2 mg/cm 2 ). 2) Stains on interior hardwood floors at 119, 119A, 121 and 213 (-0.1 to -0.1 mg/cm 2 ). 3) Stains on interior wood doors (-0.2 to 0.0 mg/cm 2 ). 4) Paints on interior metal and wood hand rails at 119 and 313 (-0.1 to 0.5 mg/cm 2 ). 5) Paints on interior wood wall trim excluding Room 119A (-0.1 to 0.8 mg/cm 2 ). 6) Paints on interior wood benches at 313 (0.0 mg/cm 2 ). d. Girls Gymnasium Building 1) Paints on all of the following building materials: a) Exterior concrete and stucco/plaster walls and covered walkway ceilings (-0.1 to 0.2 mg/cm 2 ). b) Exterior concrete columns (0.2 mg/cm 2 ). c) Exterior wood and metal doors (-0.1 to 0.3 mg/cm 2 ). d) Exterior metal door casings (-0.1 to 0.1 mg/cm 2 ). e) Exterior metal railings (-0.2 to 0.4 mg/cm 2 ). f) Exterior wood and metal window security screens (0.0 to 0.6 mg/cm 2 ). g) Exterior wood wall trim and fascia (-0.2 to 0.2 mg/cm 2 ). h) Exterior ceramic wall tile (-0.1 mg/cm 2 ). i) Interior plaster walls and ceilings (-0.2 to 0.6 mg/cm 2 ). j) Interior concrete walls, columns and ceilings (-0.2 to 0.4 mg/cm 2 ) k) Interior concrete floors (-0.4 to 0.3 mg/cm 2 ). l) Interior metal doors (0.0 to 0.4 mg/cm 2 ). m) Interior metal lockers (-0.3 to 0.6 mg/cm 2 ). n) Interior metal meter boxes (-0.1 to 0.0 mg/cm 2 ). o) Interior wood stair stringers and rail caps at stairwells (-0.1 to 0.0 mg/cm 2 ). p) Interior wood bookcases, casework and cabinets (-0.1 to 0.1 mg/cm 2 ). q) Interior fiberboard chalkboards (0.2 mg/cm 2 ). 2) Paints on interior concrete walls and ceilings (-0.2 to 0.4 mg/cm 2 ). 3) Stains on interior wood doors (-0.2 to 0.0 mg/cm 2 ). 4) Glazings on ceramic floor tile (-0.2 to 0.0 mg/cm 2 ). 5) Glazings on ceramic wall and base tile at T64 and 120A (-0.3 to 0.2 mg/cm 2 ). AUGUST 8, Existing Hazardous Materials Conditions

15 e. Shop Building 1) Paints on all of the following building materials: a) Exterior concrete and stucco/plaster walls and covered walkway ceilings (-0.1 to 0.2 mg/cm 2 ). b) Exterior concrete columns (0.2 mg/cm 2 ). c) Exterior wood and metal doors (-0.1 to 0.3 mg/cm 2 ). d) Exterior metal door casings (-0.1 to 0.1 mg/cm 2 ). e) Exterior metal railings (-0.2 to 0.4 mg/cm 2 ). f) Exterior wood and metal window security screens (0.0 to 0.6 mg/cm 2 ). g) Exterior wood wall trim and fascia (-0.2 to 0.2 mg/cm 2 ). h) Exterior ceramic wall tile (-0.1 mg/cm 2 ). i) Interior concrete floors (-0.4 to 0.3 mg/cm 2 ). j) Interior metal doors (0.0 to 0.4 mg/cm 2 ). k) Interior metal lockers (-0.3 to 0.6 mg/cm 2 ). l) Interior metal meter boxes (-0.1 to 0.0 mg/cm 2 ). m) Interior wood stair stringers and rail caps at stairwells (-0.1 to 0.0 mg/cm 2 ). n) Interior wood bookcases, casework and cabinets (-0.1 to 0.1 mg/cm 2 ). o) Interior fiberboard chalkboards (0.2 mg/cm 2 ). 2) Stains on interior wood doors (-0.2 to 0.0 mg/cm 2 ). 3) Glazings on ceramic floor tile (-0.2 to 0.0 mg/cm 2 ). 4) Glazings on ceramic wall and base tile (-0.3 to 0.2 mg/cm 2 ). f. Boys Gymnasium / Cafeteria Building 1) Paints on all of the following building materials: a) Exterior concrete and stucco/plaster walls and covered walkway ceilings (-0.1 to 0.2 mg/cm 2 ). b) Exterior concrete columns (0.2 mg/cm 2 ). c) Exterior wood and metal doors (-0.1 to 0.3 mg/cm 2 ). d) Exterior metal door casings (-0.1 to 0.1 mg/cm 2 ). e) Exterior metal railings (-0.2 to 0.4 mg/cm 2 ). f) Exterior wood and metal window security screens (0.0 to 0.6 mg/cm 2 ). g) Exterior wood wall trim and fascia (-0.2 to 0.2 mg/cm 2 ). h) Exterior ceramic wall tile (-0.1 mg/cm 2 ). i) Interior concrete floors (-0.4 to 0.3 mg/cm 2 ). j) Interior metal doors (0.0 to 0.4 mg/cm 2 ). k) Interior metal lockers (-0.3 to 0.6 mg/cm 2 ). l) Interior metal meter boxes (-0.1 to 0.0 mg/cm 2 ). m) Interior wood stair stringers and rail caps at stairwells (-0.1 to 0.0 mg/cm 2 ). n) Interior wood bookcases, casework and cabinets (-0.1 to 0.1 mg/cm 2 ). o) Interior fiberboard chalkboards (0.2 mg/cm 2 ). AUGUST 8, Existing Hazardous Materials Conditions

16 2) Paints on interior masonite / wood ceilings at C97 (-0.1 to 0.1 mg/cm 2 ). 3) Paints on interior wood wainscot at Boys Gym 213 (0.2 to 0.3 mg/cm 2 ). 4) Stains on interior wood doors (-0.2 to 0.0 mg/cm 2 ). 5) Glazings on ceramic floor tile (-0.2 to 0.0 mg/cm 2 ). 6) Glazings on ceramic wall and base tile at T55, 115, 116, 116B, 124, 124A, 124C and 124H (-0.3 to 0.2 mg/cm 2 ). 7) Paints on interior metal door frames excluding those at C99 and 123H (- 0.1 to 0.6 mg/cm 2 ). 8) Paints on interior metal cooler at 123C (0.0 mg/cm 2 ). 3. The Contractor shall assume that all paints and surface coatings contain detectable quantities of lead requiring compliance with CAL/OSHA lead regulation in the absence of objective data to the contrary. Additionally, the Contractor shall assume that, at a minimum, lead is present in all of these materials at levels that have a potential, until proven otherwise, to create a lead hazard. 4. The District has not verified that any paints, coatings, dusts, or materials are lead free or below 600 ppm. The Contractor shall treat all paints, coatings, dusts or materials as having a lead content greater than 600 ppm requiring dust controls and personal protective procedures for construction activities in conformance with the Cal/OSHA Lead Construction Standard, 8 CCR lead. Any paint, varnish, or other coating or finish not listed above shall be considered to be lead-based paint with lead levels at or exceeding 5000 ppm lead or 1.0 mg/cm 2 for this contract. 5. All firms, including sub-contracted firms who impact lead-based paint (LBP) (5,000 ppm lead or 1.0 mg/cm 2 or greater) at Child Occupied Facilities shall conduct all work in accordance with 40 CFR Part 745. This includes but is not limited to being an EPA certified firm; having an EPA Certified Renovator ; providing on-the-job training for workers; conducting pre-renovation notifications; following specific work practice procedures for containment, disturbance and final clean-up; and inspection requirements. Renovation is defined in 40 CFR Part 745 as the modification to any existing structure or portion that results in the disturbance of LBP surfaces, unless the activity is performed as part of an abatement. In essence this regulation includes all work activities that disturb LBP surfaces. 6. The EPA certified Contractor or Sub-contractor(s) Certified Renovator shall be responsible for identifying the specific job activities which impact lead-based paint (LBP) during renovation that requires the use of containment as described in 40 CFR Part 745. Work also includes but is not limited to provide on-the-job training for workers; conduct pre-renovation notifications; follow specific work practice procedures for containment, disturbance and final clean-up; and inspection requirements as defined by regulation. AUGUST 8, Existing Hazardous Materials Conditions

17 7. In addition to lead-containing paints and coatings, the Contractor shall assume that lead is present at detectable levels over 600 ppm in existing plumbing components and solders, glazing compounds, roof jacks, and surficial soils. E. Metallic Mercury and mercury compounds are present at this site in fluorescent lighting tubes, high intensity discharge lamps, mercury switches and mercury thermostats. All demolition and disposal of these items shall be conducted in accordance with applicable safety and environmental regulation and the requirements of the Contract Documents. F. All light ballasts at this site have been replaced and light fixtures contain non polychlorinated biphenyl (PCB) containing fluorescent lighting ballasts. Removal, handling and disposal of ballasts is subject to applicable regulation and requirements of the Contract Documents. G. Window and door caulkings, putties and glazing compounds have not been sampled for the presence of PCBs. If these materials will be impacted by future renovation, demolition and / or maintenance related activities, they shall be sampled prior to their disturbance by the District. H. Refrigerant gasses. This site contains HVAC units and refrigerators with refrigerant gasses. Recycling of these gasses is subject to applicable regulation and requirements of the Contract Documents. I. This site is presumed to contain smoke detectors with low level radioactive materials. Removal, handling and disposal of smoke detectors with low level radioactive materials is subject to applicable regulations and requires coordination with the manufacturer for proper disposal. J. This site contains self-luminating exit signs with low level radioactive tritium (i.e. tritiumtubes). Removal, handling and disposal of self-luminating exit signs with low level radioactive tritium (i.e. tritium-tubes) is subject to applicable regulations and requires coordination with the manufacturer for proper disposal. K. This site contains emergency exit signs with back-up emergency light fixtures with lead back-up batteries and back-up emergency light fixtures with lead back-up batteries. Removal, handling and disposal and / or recycling of lead batteries are subject to applicable regulation and requirements of the Contract Documents. L. Crystalline Silica is presumed present in all concrete, plaster, ceramic tile, grouts, and other cementitious materials at this site as well as soils. Worker protection and control of air dust during cutting, drilling, demolition and other construction operations is the responsibility of the Contractor. M. The Contractor shall take into consideration all existing known and presumed hazardous materials that may be disturbed or otherwise impacted by the Work of this project. All work of this project that disturbs or otherwise impacts hazardous material shall be considered included in the Work of the project and shall be conducted in accordance with all applicable regulations and the Contract Documents. The Contractor AUGUST 8, Existing Hazardous Materials Conditions

18 shall use appropriately trained and qualified personnel to conduct all hazardous material related work and shall adhere to the requirements for handling, removal, clean-up, and disposal in accordance with the Contract Documents and all applicable Cal/OSHA, Cal/EPA, Department of Health Services (DHS), and Bay Area Air Quality Management District (BAAQMD) regulations RELATED DOCUMENTS A. Contract Documents including hazardous material-related plans and specifications and all other project construction documents. Refer to Section Summary of Hazardous Materials Work, Article 1.04 Related Documents for a more detailed listing USE OF HAZARDOUS MATERIALS INFORMATION A. Hazardous material information identified herein was obtained for the use of the District and its Consultants for planning and design stages of the Project. The above mentioned survey data and reports are not, as a whole, part of the Contract Documents, but can be relied upon by the Contractor to characterize general site conditions, although quantities, friability and other factors may have changed or altered since the published report dates. B. All statements, findings and interpretations in the above mentioned reports are those of the Survey or Environmental Consultant. The District makes no representation, either expressed or implied, as to the completeness or adequacy of the above mentioned reports. Bidders are advised that the limited testing of components allows for generalizations in describing the extent of hazardous materials. Contractors may visit the site and investigate to identify locations of hazardous materials identified herein. Specific components or materials, should be checked against the referenced survey reports and the Contract Documents, or be tested at affected locations, prior to disturbance of such components. PART 2 PRODUCTS: NOT USED PART 3 EXECUTION: NOT USED END OF SECTION AUGUST 8, Existing Hazardous Materials Conditions

19

20 SECTION SUMMARY OF HAZARDOUS MATERIALS WORK PART 1 GENERAL 1.01 GENERAL A. The work required to be performed by the Contractor comprises HAZARDOUS MATERIALS IMPACTED CONSTRUCTION AND ABATEMENT BUENA VISTA / HORACE MANN K-8 SECURITY ADDITIONALS FOR CCTV SURVEILLANCE AND SECURITY INTRUSION ALARM RD STREET SAN FRANCISCO, CA SITE EPA I.D. #: CAD in conformity with plans and specifications herein after identified; including furnishing all materials, labor, tools, equipment, and services necessary there for and incidental there to, complete and ready for use, except as herein after otherwise provided. B. The hazardous materials abatement portion of the project includes removal, cleanup, decontamination, and proper disposal of the following materials: asbestos containing materials (ACMs); assumed asbestos containing materials; asbestos containing construction materials (ACCMs); lead-based paint (LBP); lead-containing paint (LCP), lead coatings and materials. Abatement will take place in areas of work indicated on the project drawings and where can reasonably inferred to be required to support the project. C. Hazardous materials abatement documents are not to be considered stand-alone documents. In addition to the identified hazardous removal work described in the scope of work, abatement shall include all incidental removal of hazardous materials required to complete the Work. Coordinate all hazardous materials related work with all other work of the Contract as indicated or inferred in the Contract Documents. D. The Contractor and its associated Subcontractors shall take into consideration all identified and presumed hazardous materials present that will be impacted by the work of this Project. At minimum, the Contractor s bid shall take into consideration the information provided in Section , hazardous materials specifications, all contract documents, and the information resulting from Contractor s own onsite investigation and review of site conditions. AUGUST 8, Summary of Hazardous Materials Work

21 E. Hazardous material abatement specifications have been prepared on the basis of existing documents and site inspections. Location of materials scheduled for abatement are general in nature. Contractor is responsible for locating, accessing and removing all hazardous materials (i.e. ACMs; assumed ACMs; ACCMs; LBP; LCP; lead-containing surface coatings; lead glazings and materials) in areas of work to support the modernization project. F. The Contractor shall carefully schedule and coordinate all phases of hazardous materials related work to ensure that unprotected personnel are not exposed to hazardous substances. This includes the coordination of all pre-demolition, demolition, alteration, repair, renovation, and new construction work. G. The Contractor shall coordinate the removal of all furniture, fixtures, casework, fixed and movable objects, non-hazardous partition walls, finishes, mechanical ducting, etc., prior to hazardous material abatement. Refer to the Contract Documents for items scheduled for salvage and reuse. Any work that could impact known or assumed hazardous materials shall be conducted within a negative pressure enclosure in accordance with the requirements herein. H. All hazardous materials related work shall be performed after normal school hours and / or on weekends during the academic school year. Hazardous materials related work may not be performed in buildings or on the site during normal school hours without the written approval from the District. I. All submittals as required by the project specifications must be approved prior to the start of any hazardous materials related work. The Contractor shall review Specification Sections , , and and Article 1.06 of this section for specific submittal requirements. J. To the extent possible, the Contractor shall construct containment areas to the full extent of each area of work on each floor. Additional clearance samples resulting from separation of containment areas into multiple containments will be back charged to the Contractor. K. Contractor s electrician shall de-energize and lockout electrical power to the work areas to the greatest extent possible. Contractor s electrician shall install temporary power from an outside source. Temporary power shall be protected with ground fault interrupter circuit breakers. The contractor shall supply adequate power to each of the work areas solely dedicated for use by the District s Environmental Consultant. L. Provide, operate and maintain magnahelic gauges / circular or strip chart recorders of appropriate range at the entrance to each interior work area during asbestos and lead related activities. No asbestos/lead work shall be conducted unless the system is installed, operating and recording correctly. AUGUST 8, Summary of Hazardous Materials Work

22 M. All differential air pressure units and vacuums must be DOP tested on-site prior to use by an independent third party. If previously tested equipment is removed from the site at any time the equipment must be re-tested on-site prior to its re-use. N. All polyethylene sheeting and construction materials shall be fire retardant. O. Final clearance for asbestos work areas will be conducted by the District s Environmental Consultant in accordance with the Asbestos Hazard Emergency Response Act (AHERA) requirements. Refer to specification sections and P. Final clearance for lead work areas will be conducted by the District s Environmental Consultant in accordance with the California Department of Public Health Services and Environmental Protection Agency lead regulations. Refer to Specification Section Q. Contractor shall be responsible for securing all entrances and exits to hazardous materials work areas to prevent unauthorized access. Contractor shall affix appropriate warning signs at the entries and approaches to the regulated area(s) as required by regulation and the contract documents HAZARDOUS COMMUNICATION A. Hazardous materials present in the building(s) and structures at this site include: ACMs; assumed ACMs; ACCMs; LBP; LCP; lead-containing coatings and materials; non-polychlorinated biphenyl (PCB) light ballasts; and mercury containing fluorescent lighting tubes, lamps, switches, and thermostats. These materials will significantly impact demolition and renovation activities. The Contactor shall review Specification Section Existing Hazardous Materials Conditions for known and assumed hazardous materials that are to be impacted by the project. B. The crawlspaces at the Auditorium Building including Crawlspace No. 3 and Crawlspace 005 are contaminated with asbestos containing pipe insulation debris and damaged asbestos containing pipe insulation. Access to these spaces is restricted to asbestos trained personnel only. Refer to Section Work Procedures for Asbestos Contaminated Spaces for specific training and submittal requirements for personnel who will be working in asbestos controlled spaces but not performing asbestos abatement work. Refer to Section Asbestos Abatement for specific training and submittal requirements for personnel who will be conducting asbestos abatement work within asbestos controlled spaces. AUGUST 8, Summary of Hazardous Materials Work

23 1.03 SCOPE OF WORK A. The Contractor(s) work includes the removal of hazardous materials to the extent specified and/or necessary prior to normal demolition, renovation, alteration, repair, or other construction operations. The Contractor is responsible for locating, accessing and removing all hazardous materials in areas of project work including materials and assemblies scheduled for removal and any necessary removal coincidental to the completion of the work of the project. All removal shall be to the extent necessary to properly complete the work of the project. This project requires close coordination with all other trades and work on this project. The Contractor s hazardous materials scope of work includes but is not limited to the following: 1. First Floor Plan Security Area A (Academic Building and portions of Auditorium Building) (Refer to Sheet No. TY1.1) a. Interior Areas: Remove, drill, core, anchor, attach and / or affix to interior plaster and concrete walls, ceilings, beams, support posts, wood chair rails, wall trim, etc. coated with lead-based paint (LBP) and / or lead-containing paint (LCP) to the extent necessary to support installation of wire mold, wireways, conduit, security cameras, motion sensors, video equipment, etc. Work includes the application of a primer at the edges of plaster and concrete finishes where impacted to support the project. All work that disturbs the existing finishes (removal, drilling, coring and attachment) shall be conducted using tools and equipment equipped with a shroud and attached to a functioning DOP tested HEPA vacuum during operation. Where use of shrouded tools is not possible, the Contractor shall conduct asbestos and lead related work operations within negative pressure enclosures. b. Crawlspace Areas: The crawlspaces at the Auditorium Building including Crawlspace No. 3 (below Corridors C90A and C91) and Crawlspace 005 are contaminated with asbestos containing pipe insulation debris and damaged asbestos containing pipe insulation. Access to these spaces is restricted to asbestos trained personnel only. If the project requires access to these spaces for the Contractor to perform their work, the Contractor having to perform work within these spaces shall refer to Section Work Procedures for Asbestos Contaminated Spaces for specific training and submittal requirements for personnel who will be working in asbestos controlled spaces but not performing asbestos abatement work. This may also include an asbestos registered asbestos contractor providing Contractor Assist operations to support the project. AUGUST 8, Summary of Hazardous Materials Work

24 2. First Floor Plan Security Area B (Auditorium, Girls Gymnasium and Shop Building) (Refer to Sheet No. TY1.1.1) a. Interior Areas: Remove, drill, core, anchor, attach and / or affix to interior plaster and concrete walls, ceilings, beams, support posts, wood chair rails, wall trim, etc. coated with lead-based paint (LBP) and / or lead-containing paint (LCP) to the extent necessary to support installation of wire mold, wireways, conduit, security cameras, motion sensors, video equipment, etc. Work includes the application of a primer at the edges of plaster and concrete finishes where impacted to support the project. All work that disturbs the existing finishes (removal, drilling, coring and attachment) shall be conducted using tools and equipment equipped with a shroud and attached to a functioning DOP tested HEPA vacuum during operation. Where use of shrouded tools is not possible, the Contractor shall conduct asbestos and lead related work operations within negative pressure enclosures. b. Crawlspace Areas: The crawlspaces at the Auditorium Building including Crawlspace No. 3 (below Corridors C90A and C91) and Crawlspace 005 are contaminated with asbestos containing pipe insulation debris and damaged asbestos containing pipe insulation. Access to these spaces is restricted to asbestos trained personnel only. If the project requires access to these spaces for the Contractor to perform their work, the Contractor having to perform work within these spaces shall refer to Section Work Procedures for Asbestos Contaminated Spaces for specific training and submittal requirements for personnel who will be working in asbestos controlled spaces but not performing asbestos abatement work. This may also include an asbestos registered asbestos contractor providing Contractor Assist operations to support the project. c. Shop Building Exteriors: Remove, drill, core, anchor, attach and / or affix to exterior concrete walls and concrete stairwells with asbestos containing (AC) paints to the extent necessary to support installation of wire mold, wireways, conduit, security cameras, motion sensors, video equipment, etc. Work includes the application of a primer at the edges of exterior concrete walls and concrete stairways with AC paints where impacted to support the project. All work that disturbs the existing finishes (removal, drilling, coring and attachment) shall be conducted using tools and equipment equipped with a shroud and attached to a functioning DOP tested HEPA vacuum during operation. Where use of shrouded tools is not possible, the Contractor shall conduct asbestos and lead related work operations within negative pressure enclosures. AUGUST 8, Summary of Hazardous Materials Work