Technical_Specifications_-_Distribution.pdf

Job Order Contract Technical Specifications CSI Divisions 01-09 2026

County of San Mateo

Flooring

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Table of Contents

County of San Mateo, Flooring TOC - 1

01 General Requirements

01 00 00 00 General Requirements 01 11 13 00 Work Covered by Contract Documents 01 22 00 00 No Specification Required 01 50 00 00 Temporary Facilities and Controls 01 51 13 00 Temporary Electricity 01 51 13 00a Panelboards 01 54 23 00 Temporary Scaffolding and Platforms 01 54 23 00a Unit Masonry 01 58 13 00 Dimensional Letter Signage 01 58 13 00a Panel Signage 01 60 00 00 Product Requirements 01 74 19 00 Construction Waste Management and Disposal 01 00 00 00MOD000 Supplemental Requirements for Electrical

02 Existing Conditions

02 41 16 00 Structure Demolition 02 41 16 13 Building Demolition 02 41 19 00 Selective Demolition 02 41 19 13 Cutting and Patching 02 61 00 00 Removal and Disposal of Contaminated Soils 02 82 16 00 Engineering Control of Asbestos Containing Materials 02 82 33 00 Removal Of Friable Asbestos-Containing Materials 02 82 33 00a Removal Of Nonfriable Asbestos-Containing Materials 02 83 00 00 Lead Remediation 02 83 19 00 Lead-Based Paint Remediation 02 83 19 00a XRF Testing For Lead-Based Paint 02 83 19 00b Lead Dust Wipe, Air And Tclp Sampling And Analysis 02 84 16 00 Handling of Lighting Ballasts and Lamps Containing PCBs and Mercury 02 87 13 00 Mold Remediation 02 87 16 13 Bird Excrement Removal

03 Concrete

03 01 30 00 Maintenance of Cast-in-Place Concrete 03 10 00 00 Concrete Forming and Accessories 03 11 16 00 Architectural Concrete 03 15 19 00 Metal Fabrications 03 20 00 00 Concrete Reinforcing 03 30 00 00 Cast-In-Place Concrete 03 31 13 00 Concrete Paving 03 31 13 00a Decorative Concrete Paving 03 35 43 00 Polished Concrete Finishing 03 37 13 00 Shotcrete 03 41 00 00 Precast Structural Concrete 03 41 26 00 Unbonded Post-Tensioned Concrete 03 51 13 00 Cementitious Wood Fiber Decks 03 53 00 00 Concrete Topping 03 54 00 00 Gypsum Cement Underlayment 03 54 16 00 Hydraulic Cement Underlayment

08 Openings

08 05 13 00 Flush Wood Doors 08 05 13 00a Stile And Rail Wood Doors

Table of Contents

TOC - 2 County of San Mateo, Flooring

09 Finishes

09 01 20 00 Gypsum Board Renovation 09 01 20 91 Plaster Restoration 09 01 60 91 Joint Sealants 09 01 90 52 Maintenance Repainting 09 05 61 13 Moisture Vapor Emission Control 09 22 16 00 Non-Structural Metal Framing 09 23 00 00 Gypsum Plastering 09 24 00 00 Cement Plastering 09 29 00 00 Gypsum Board 09 30 13 00 Ceramic Tiling 09 30 33 00 Stone Tiling 09 51 13 00 Acoustical Panel Ceilings 09 51 23 00 Acoustical Tile Ceilings 09 51 33 00 Acoustical Metal Pan Ceilings 09 54 00 00 Stretched-Fabric Ceiling Systems 09 54 00 00a Fabric-Wrapped Ceiling Panels 09 54 23 00 Linear Metal Ceilings 09 63 13 00 Brick Flooring 09 63 13 00a Chemical-Resistant Brick Flooring 09 64 00 00 Wood Flooring 09 64 66 00 Wood Athletic Flooring 09 65 13 00 Resilient Base and Accessories 09 65 16 00 Resilient Sheet Flooring 09 65 19 00 Resilient Tile Flooring 09 65 43 00 Linoleum Flooring 09 65 66 00 Resilient Athletic Flooring 09 66 13 00 Portland Cement Terrazzo Flooring 09 66 23 00 Resinous Matrix Terrazzo Flooring 09 67 23 00 Resinous Flooring 09 68 13 00 Tile Carpeting 09 68 16 00 Sheet Carpeting 09 69 00 00 Access Flooring 09 70 00 00 Stone Trim 09 70 00 00a Stretched-Fabric Wall Systems 09 70 00 00b Fabric-Wrapped Panels 09 72 00 00 Wall Coverings 09 91 13 00 Exterior Painting 09 91 23 00 Interior Painting 09 93 00 00 Staining and Transparent Finishing 09 96 00 00 High-Performance Coatings 09 96 53 00 Elastomeric Coatings 09 97 26 00 Cementitious Coatings 09 97 63 00 Coatings for HVAC

01 - General Requirements

2026 General Requirements County of San Mateo, Flooring 01 00 00 00 - 1

SECTION 01 00 00 00 - GENERAL REQUIREMENTS

PART 1 - GENERAL

1.1 BRACKETED OPTIONS

A. Within these Technical Specifications there are bracketed options. For example [6ft] [12ft] [24ft] or <Insert…>. The final selection will be made by the Owner and set forth in the Detailed Scope of Work.

1.2 WARRANTY

A. Within these Technical Specifications there are warranty periods listed. The warranty periods listed cover both material and labor for that period. If a manufacture will warranty a material for a longer period than what is listed, the material is covered as a replacement by the manufacture for the extra period.

The labor to replace will be at the installation price for the contractor.

PART 2 - PRODUCTS (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 01 00 00 00

General Requirements 2026 01 00 00 00 - 2 County of San Mateo, Flooring

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County of San Mateo, Flooring 01 10 00 00 to 01 11 00 00 - 1

Task Specification Specification Description 01 10 00 00 01 00 00 00 General Requirements 01 11 00 00 01 00 00 00 General Requirements

01 10 00 00 to 01 11 00 00 - 2 County of San Mateo, Flooring

2026 Work Covered by Contract Documents County of San Mateo, Flooring 01 11 13 00 - 1

SECTION 01 11 13 00 - WORK COVERED BY CONTRACT DOCUMENTS

1.1 GENERAL

A. If any conflicts arise in the Specifications; the Owner’s Standard Plans and Specifications supersede the Gordian Technical Specifications. Specification conflicts shall be resolved as directed by the Owner.

B. Contractor is to provide a competent person to ensure operations are completed per plans, specifications, local laws and regulations which pertain.

C. Specification Format

1. The specification format shall be based on the Construction Specifications Institute (CSI) Section

Format.

1.2 PRODUCTS - (Not Used)

1.3 EXECUTION - (Not Used)

END OF SECTION 01 11 13 00

Work Covered by Contract Documents 2026 01 11 13 00 - 2 County of San Mateo, Flooring

County of San Mateo, Flooring 01 11 13 00 to 01 20 00 00 - 1

01 11 13 00 01 00 00 00 General Requirements 01 20 00 00 01 00 00 00 General Requirements

01 11 13 00 to 01 20 00 00 - 2 County of San Mateo, Flooring

2026 No Specification Required County of San Mateo, Flooring 01 22 00 00 - 1

SECTION 01 22 00 00 - NO SPECIFICATION REQUIRED

A. A separate specification is not required for this item. The description given in the line item of the Construction Task Catalog completely defines the item.

1.2 PRODUCTS - (Not Used)

1.3 EXECUTION - (Not Used)

END OF SECTION 01 22 00 00

No Specification Required 2026 01 22 00 00 - 2 County of San Mateo, Flooring

County of San Mateo, Flooring 01 22 00 00 to 01 35 33 00 - 1

01 22 00 00 01 00 00 00 General Requirements 01 22 16 00 01 00 00 00 General Requirements 01 22 16 00 01 22 00 00 No Specification Required 01 22 20 00 01 00 00 00 General Requirements 01 22 20 00 01 22 00 00 No Specification Required 01 22 23 00 01 00 00 00 General Requirements 01 22 23 00 01 22 00 00 No Specification Required 01 30 00 00 01 00 00 00 General Requirements 01 35 00 00 01 00 00 00 General Requirements 01 35 29 00 01 00 00 00 General Requirements 01 35 33 00 01 00 00 00 General Requirements

01 22 00 00 to 01 35 33 00 - 2 County of San Mateo, Flooring

2026 Temporary Facilities and Controls County of San Mateo, Flooring 01 50 00 00 - 1

SECTION 01 50 00 00 - TEMPORARY FACILITIES AND CONTROLS

1.1 SUMMARY

A. Section includes requirements for temporary utilities, support facilities, and security and protection facilities.

B. Related Requirements:

1. Section 011000 "Summary" for work restrictions and limitations on utility interruptions.

2. Section 011200 "Multiple Contract Summary" for responsibilities for temporary facilities and controls for projects utilizing multiple contracts.

3. Section 012100 "Allowances" for allowance for metered use of temporary utilities.

1.2 USE CHARGES

A. Installation, removal, and use charges for temporary facilities to be included in the Contract Sum unless otherwise indicated. Allow other entities engaged in the Project to use temporary services and facilities without cost, including, but not limited to,[ Owner's construction forces,] Architect,[ occupants of Project,] testing agencies, and authorities having jurisdiction.

B. Sewer Service: [Pay][Owner will pay] sewer-service use charges for sewer usage by all entities for construction operations.

C. Water Service: [Pay][Owner will pay] water-service use charges for water used by all entities for construction operations.

D. Electric Power Service: [Pay][Owner will pay] electric-power-service use charges for electricity used by all entities for construction operations.

E. Water and Sewer Service from Existing System: Water from Owner's existing water system is available for use [with metering][without metering and without payment of use charges]. Provide connections and extensions of services [and metering] as required for construction operations.

F. Electric Power Service from Existing System: Electric power from Owner's existing system is available for use [with metering][without metering and without payment of use charges]. Provide connections and extensions of services [and metering] as required for construction operations.

G. Sewer, Water, and Electric Power Service: Use charges are specified in Section 011200 "Multiple Contract Summary."

1.3 INFORMATIONAL SUBMITTALS

A. Site Utilization Plan: Show temporary facilities, temporary utility lines and connections, staging areas, construction site entrances, vehicle circulation, and parking areas for construction personnel.

B. Implementation and Termination Schedule: Within [15] days of date established for commencement of the Work, submit schedule indicating implementation and termination dates of each temporary utility, as

Temporary Facilities and Controls 2026 01 50 00 00 - 2 County of San Mateo, Flooring directed by the Owner.

C. Project Identification and Temporary Signs: Show fabrication and installation details, including plans, elevations, details, layouts, typestyles, graphic elements, and message content.

D. Fire-Safety Program: Show compliance with requirements of NFPA 241 and authorities having jurisdiction. Indicate Contractor personnel responsible for management of fire-prevention program.

E. Moisture- and Mold-Protection Plan: Describe procedures and controls for protecting materials and construction from water absorption and damage and mold. Describe delivery, handling, storage, installation, and protection provisions for materials subject to water absorption or water damage.

1. Indicate procedures for discarding water-damaged materials, protocols for mitigating water intrusion into completed Work, and requirements for replacing water-damaged Work.

2. Indicate sequencing of work that requires water, such as sprayed fire-resistive materials, plastering, and terrazzo grinding, and describe plans for dealing with water from these operations.

Show procedures for verifying that wet construction has dried sufficiently to permit installation of finish materials.

3. Indicate methods to be used to avoid trapping water in finished work.

F. Dust- and HVAC-Control Plan: Submit coordination drawing and narrative that indicates the dust- and HVAC-control measures proposed for use, proposed locations, and proposed time frame for their operation. Include the following:

1. Locations of dust-control partitions at each phase of work.

2. HVAC system isolation schematic drawing.

3. Location of proposed air-filtration system discharge.

4. Waste-handling procedures.

5. Other dust-control measures.

G. Noise and Vibration Control Plan: Identify construction activities that may impact the occupancy and use of existing spaces within the building or adjacent existing buildings, whether occupied by others, or occupied by Owner. Include the following:

1. Methods used to meet the goals and requirements of Owner.

2. Concrete cutting method(s) to be used.

3. Location of construction devices on the site.

4. Show compliance with the use and maintenance of quieted construction devices for the duration of the Project.

5. Indicate activities that may disturb building occupants and that are planned to be performed during non-standard working hours as coordinated with Owner.

6. Indicate locations of sensitive [research][patient][equipment] areas or other areas requiring special attention as identified by Owner. Indicate means for complying with Owner's requirements.

1.4 QUALITY ASSURANCE

A. Electric Service: Comply with NECA, NEMA, and UL standards and regulations for temporary electric service. Install service to comply with NFPA 70.

B. Tests and Inspections: Arrange for authorities having jurisdiction to test and inspect each temporary utility before use. Obtain required certifications and permits.

C. Accessible Temporary Egress: Comply with applicable provisions in [the DOJ's "2010 ADA Standards

County of San Mateo, Flooring 01 50 00 00 - 3 for Accessible Design"][and][ICC A117.1].

1.5 PROJECT CONDITIONS

A. Temporary Use of Permanent Facilities: Engage Installer of each permanent service to assume responsibility for operation, maintenance, and protection of each permanent service during its use as a construction facility before Owner's acceptance, regardless of previously assigned responsibilities.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Chain-Link Fencing: Minimum 2-inch, 0.148-inch- thick, galvanized-steel, chain-link fabric fencing;

minimum 6 feet high with galvanized-steel pipe posts; minimum 2-3/8-inch- OD line posts and 2-7/8-inch- OD corner and pull posts[, with 1-5/8-inch- OD top rails][, with galvanized barbed-wire top strand].

B. Portable Chain-Link Fencing: Minimum 2-inch, 0.148-inch- thick, galvanized-steel, chain-link fabric fencing; minimum 6 feet high with galvanized-steel pipe posts; minimum 2-3/8-inch- OD line posts and 2-7/8-inch- OD corner and pull posts, with 1-5/8-inch- OD top and bottom rails. Provide [concrete][galvanized-steel] bases for supporting posts.

C. Fencing Windscreen Privacy Screen: Polyester fabric scrim with grommets for attachment to chain-link fence, sized to height of fence, in color selected by Architect from manufacturer's standard colors.

D. Wood Enclosure Fence: Plywood, [6 feet][8 feet] high, framed with four 2-by-4-inch rails, with preservative-treated wood posts spaced not more than 8 feet apart.

E. Polyethylene Sheet: Reinforced, fire-resistive sheet, 10-mil minimum thickness, with flame-spread rating of 15 or less in accordance with ASTM E84 and passing NFPA 701 Test Method 2.

F. Dust-Control Adhesive-Surface Walk-Off Mats: Provide mats, minimum 36 by 60 inches.

G. Insulation: Unfaced mineral-fiber blanket, manufactured from glass, slag wool, or rock wool; with maximum flame-spread and smoke-developed indexes of 25 and 50, respectively.

2.2 TEMPORARY FACILITIES

A. Field Offices:

1. Prefabricated or mobile units with serviceable finishes, temperature controls, and foundations adequate for normal loading.

2. Owner will provide conditioned interior space for field offices [for duration of Project][upon completion of demolition and enclosure].

B. Common-Use Field Office: Of sufficient size to accommodate needs of Owner, Architect[, Construction Manager], and construction personnel office activities and to accommodate Project meetings specified in other Division 01 Sections. Keep office clean and orderly. Furnish and equip offices as follows:

1. Furniture required for Project-site documents, including file cabinets, plan tables, plan racks, and bookcases.

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2. Conference room of sufficient size to accommodate meetings of [10] individuals, as directed by the Owner. Provide electrical power service and 120-V ac duplex receptacles, with no fewer than one receptacle on each wall. Furnish room with conference table, chairs, and 4-foot- square tack and marker boards.

3. Drinking water and private toilet.

4. Heating and cooling equipment necessary to maintain a uniform indoor temperature of 68 to 72 deg F.

5. Lighting fixtures capable of maintaining average illumination of 20 fc at desk height.

C. Storage and Fabrication Sheds: Provide sheds sized, furnished, and equipped to accommodate materials and equipment for construction operations.

1. Store combustible materials apart from building.

2.3 EQUIPMENT

A. Fire Extinguishers: Portable, UL rated; with class and extinguishing agent as required by locations and classes of fire exposures.

B. HVAC Equipment: Unless Owner authorizes use of permanent HVAC system, provide vented, self-contained, liquid-propane-gas or fuel-oil heaters with individual space thermostatic control.

1. Use of gasoline-burning space heaters, open-flame heaters, or salamander-type heating units is prohibited.

2. Heating, Cooling, and Dehumidifying Units: Listed and labeled for type of fuel being consumed, by a qualified testing agency acceptable to authorities having jurisdiction, and marked for intended location and application.

C. Air-Filtration Units: Primary and secondary HEPA-filter-equipped portable units with four-stage filtration.

Provide single switch for emergency shutoff. Configure to run continuously.

PART 3 - EXECUTION

3.1 TEMPORARY FACILITIES, GENERAL

A. Conservation: Coordinate construction and use of temporary facilities with consideration given to conservation of energy, water, and materials. Coordinate use of temporary utilities to minimize waste.

1. Salvage materials and equipment involved in performance of, but not actually incorporated into, the Work. See other Sections for disposition of salvaged materials that are designated as Owner's property.

3.2 INSTALLATION, GENERAL

A. Locate facilities where they will serve Project adequately and result in minimum interference with performance of the Work. Relocate and modify facilities as required by progress of the Work.

1. Locate facilities to limit site disturbance as specified in Section 011000 "Summary."

B. Provide each facility ready for use when needed to avoid delay. Do not remove until facilities are no

County of San Mateo, Flooring 01 50 00 00 - 5 longer needed or are replaced by authorized use of completed permanent facilities.

C. Isolation of Work Areas in Occupied Facilities: Prevent dust, fumes, and odors from entering occupied areas.

1. Prior to commencing work, isolate the HVAC system in area where work is to be performed[ in accordance with coordination drawings].

a. Disconnect supply and return ductwork in work area from HVAC systems servicing occupied areas.

b. Maintain negative air pressure within work area, using HEPA-equipped air-filtration units, starting with commencement of temporary partition construction, and continuing until removal of temporary partitions is complete.

2. Maintain dust partitions during the Work. Use vacuum collection attachments on dust-producing equipment. Isolate limited work within occupied areas using portable dust-containment devices.

3. Perform daily construction cleanup and final cleanup using approved, HEPA-filter-equipped vacuum equipment.

3.3 TEMPORARY UTILITY INSTALLATION

A. General: Install temporary service or connect to existing service.

1. Arrange with utility company, Owner, and existing users for time when service can be interrupted, if necessary, to make connections for temporary services.

B. Sewers and Drainage: Provide temporary utilities to remove effluent lawfully.

1. Connect temporary sewers to [municipal system][private system indicated] as directed by authorities having jurisdiction.

C. Water Service:

1. Install water service and distribution piping in sizes and pressures adequate for construction.

2. Connect to Owner's existing water service facilities. Clean and maintain water service facilities in a condition acceptable to Owner. At Substantial Completion, restore these facilities to condition existing before initial use.

D. Sanitary Facilities: Provide temporary toilets, wash facilities, safety shower and eyewash facilities, and drinking water for use of construction personnel. Comply with requirements of authorities having jurisdiction for type, number, location, operation, and maintenance of fixtures and facilities.

1. Use of Permanent Toilets: Use of Owner's existing or new toilet facilities [is not permitted][will be permitted, as long as facilities are cleaned and maintained in a condition acceptable to Owner. At Substantial Completion, restore these facilities to condition existing before initial use].

E. Temporary Heating and Cooling: Provide temporary heating and cooling required by construction activities for curing or drying of completed installations or for protecting installed construction from adverse effects of low temperatures or high humidity. Select equipment that will not have a harmful effect on completed installations or elements being installed.

1. Provide temporary dehumidification systems when required to reduce ambient and substrate moisture levels to level required to allow installation or application of finishes and their proper curing or drying.

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F. Electric Power Service:

1. Connect to Owner's existing electric power service. Maintain equipment in a condition acceptable to Owner.

2. Provide electric power service and distribution system of sufficient size, capacity, and power characteristics required for construction operations.

a. Install electric power service [overhead][underground] unless otherwise indicated.

b. Connect temporary service to Owner's existing power source, as directed by Owner.

G. Lighting: Provide temporary lighting with local switching that provides adequate illumination for construction operations, observations, inspections, and traffic conditions.

1. Install and operate temporary lighting that fulfills security and protection requirements without operating entire system.

H. Telephone Service: Provide temporary telephone service in common-use facilities for use by all construction personnel. Install [WiFi cell phone access equipment][and][one] land-based telephone line(s) for each field office, as directed by the Owner.

1. Provide additional telephone lines for the following:

a. Provide [one] telephone line(s) for Owner's use, as directed by the Owner.

2. At each telephone, post a list of important telephone numbers.

a. Police and fire departments.

b. Ambulance service.

c. Contractor's home office.

d. Contractor's emergency after-hours telephone number.

e. Architect's office.

f. [Construction Manager's home office].

g. Engineers' offices.

h. Owner's office.

i. Principal subcontractors' field and home offices.

I. Electronic Communication Service: Provide secure WiFi wireless connection to internet with provisions for access by Architect and Owner.

J. Project Computer: Provide a desktop computer in the primary field office adequate for use by Architect and Owner to access Project electronic documents and maintain electronic communications. Equip computer with not less than the following:

1. Processor: Intel Core i5 or i7.

2. Memory: [16] gigabyte.

3. Disk Storage: [1] -terabyte hard-disk drive and combination DVD-RW/CD-RW drive.

4. Display: 24-inch LCD monitor with 256-Mb dedicated video RAM.

5. Full-size keyboard and mouse.

6. Network Connectivity: [10/100BaseT Ethernet][Gigabit].

7. Operating System: Microsoft Windows 10 Professional.

8. Productivity Software:

a. Microsoft Office Professional, 2013 or higher, including Word, Excel, and Outlook.

b. Adobe Reader DC.

c. WinZip 10.0 or higher.

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9. Printer: "All-in-one" unit equipped with printer server, combining color printing, photocopying, scanning, and faxing, or separate units for each of these three functions.

10. Internet Service: Broadband modem, router, and ISP, equipped with hardware firewall, providing minimum [10.0] -Mbps upload and [15] -Mbps download speeds at each computer, as directed by the Owner.

11. Internet Security: Integrated software, providing software firewall, virus, spyware, phishing, and spam protection in a combined application.

12. Backup: External hard drive, minimum [2] terrabytes, with automated backup software providing daily backups, as directed by the Owner.

3.4 SUPPORT FACILITIES INSTALLATION

A. Comply with the following:

1. Provide construction for temporary field offices, shops, and sheds located within construction area or within 30 feet of building lines that is noncombustible in accordance with ASTM E136.

Comply with NFPA 241.

2. Utilize designated area within existing building for temporary field offices.

3. Maintain support facilities until Architect schedules Substantial Completion inspection. Remove before Substantial Completion. Personnel remaining after Substantial Completion will be permitted to use permanent facilities, under conditions acceptable to Owner.

B. Temporary Roads and Paved Areas: Construct and maintain temporary roads and paved areas adequate for construction operations. Locate temporary roads and paved areas [as indicated][within construction limits indicated] on Drawings.

1. Provide dust-control treatment that is nonpolluting and nontracking. Reapply treatment as required to minimize dust.

C. Temporary Use of Planned Permanent Roads and Paved Areas: Locate temporary roads and paved areas in same location as permanent roads and paved areas. Construct and maintain temporary roads and paved areas adequate for construction operations. Extend temporary roads and paved areas, within construction limits indicated, as necessary for construction operations.

1. Coordinate elevations of temporary roads and paved areas with permanent roads and paved areas.

2. Prepare subgrade and install subbase and base for temporary roads and paved areas in accordance with Section 312000 "Earth Moving."

3. Recondition base after temporary use, including removing contaminated material, regrading, proofrolling, compacting, and testing.

4. Delay installation of final course of permanent hot-mix asphalt pavement until immediately before Substantial Completion. Repair hot-mix asphalt base-course pavement before installation of final course in accordance with Section 321216 "Asphalt Paving."

D. Traffic Controls: Comply with requirements of authorities having jurisdiction.

1. Protect existing site improvements to remain, including curbs, pavement, and utilities.

2. Maintain access for fire-fighting equipment and access to fire hydrants.

E. Parking: [Provide temporary offsite][Use designated areas of Owner's existing] parking areas for construction personnel.

F. Storage and Staging: [Provide temporary offsite area][Use designated areas of Project site] for storage and staging needs.

01 50 00 00 - 8 County of San Mateo, Flooring

G. Dewatering Facilities and Drains: Comply with requirements of authorities having jurisdiction. Maintain Project site, excavations, and construction free of water.

1. Dispose of rainwater in a lawful manner that will not result in flooding Project or adjoining properties or endanger permanent Work or temporary facilities.

2. Remove snow and ice as required to minimize accumulations.

H. Project Signs: Provide Project signs as indicated. Unauthorized signs are not permitted.

1. Identification Signs: Provide Project identification signs as indicated on Drawings.

2. Temporary Signs: Provide other signs as indicated and as required to inform public and individuals seeking entrance to Project.

a. Provide temporary, directional signs for construction personnel and visitors.

3. Maintain and touch up signs, so they are legible at all times.

I. Waste Disposal Facilities:

1. Comply with requirements specified in Section 017419 "Construction Waste Management and Disposal."

2. Provide waste-collection containers in sizes adequate to handle waste from construction operations. Comply with requirements of authorities having jurisdiction. Comply with progress cleaning requirements in Section 017300 "Execution."

J. Lifts and Hoists: Provide facilities necessary for hoisting materials and personnel.

1. Truck cranes and similar devices used for hoisting materials are considered "tools and equipment" and not temporary facilities.

K. Temporary Elevator Use: [Use of elevators is not permitted][See Division 14 elevator Section for temporary use of new elevators].

L. Existing Elevator Use: Use of Owner's existing elevators will be permitted, provided elevators are cleaned and maintained in a condition acceptable to Owner. At Substantial Completion, restore elevators to condition existing before initial use, including replacing worn cables, guide shoes, and similar items of limited life.

1. Do not load elevators beyond their rated weight capacity.

2. Provide protective coverings, barriers, devices, signs, or other procedures to protect elevator car and entrance doors and frame. If, despite such protection, elevators become damaged, engage elevator Installer to restore damaged work, so no evidence remains of correction work. Return items that cannot be refinished in field to the shop, make required repairs and refinish entire unit, or provide new units as required.

M. Temporary Stairs: Until permanent stairs are available, provide temporary stairs where ladders are not adequate.

N. Existing Stair Usage: Use of Owner's existing stairs will be permitted, provided stairs are cleaned and maintained in a condition acceptable to Owner. At Substantial Completion, restore stairs to condition existing before initial use.

1. Provide protective coverings, barriers, devices, signs, or other procedures to protect stairs and to maintain means of egress. If stairs become damaged, restore damaged areas, so no evidence remains of correction work.

County of San Mateo, Flooring 01 50 00 00 - 9

O. Temporary Use of Permanent Stairs: Use of new stairs for construction traffic will be permitted, provided stairs are protected and finishes restored to new condition at time of Substantial Completion.

3.5 SECURITY AND PROTECTION FACILITIES INSTALLATION

A. Protection of Existing Facilities: Protect existing vegetation, equipment, structures, utilities, and other improvements at Project site and on adjacent properties, except those indicated to be removed or altered. Repair damage to existing facilities.

1. Where access to adjacent properties is required in order to affect protection of existing facilities, obtain written permission from adjacent property owner to access property for that purpose.

B. Environmental Protection: Provide protection, operate temporary facilities, and conduct construction as required to comply with environmental regulations and that minimize possible air, waterway, and subsoil contamination or pollution or other undesirable effects.

1. Comply with work restrictions specified in Section 011000 "Summary."

C. Temporary Erosion and Sedimentation Control:

D. Stormwater Control: Comply with requirements of authorities having jurisdiction. Provide barriers in and around excavations and subgrade construction to prevent flooding by runoff of stormwater from heavy rains.

E. Tree and Plant Protection:

1. Comply with requirements specified in Section 015639 "Temporary Tree and Plant Protection."

2. Install temporary fencing located as indicated or outside the drip line of trees to protect vegetation from damage from construction operations. Protect tree root systems from damage, flooding, and erosion.

F. Pest Control: Engage pest-control service to recommend practices to minimize attraction and harboring of rodents, roaches, and other pests and to perform extermination and control procedures at regular intervals, so Project will be free of pests and their residues at Substantial Completion. Perform control operations lawfully, using materials approved by authorities having jurisdiction.

G. Site Enclosure Fence: [Before construction operations begin][Prior to commencing earthwork], furnish and install site enclosure fence in a manner that will prevent people from easily entering site except by entrance gates.

1. Extent of Fence: [As required to enclose entire Project site or portion determined sufficient to accommodate construction operations][As indicated on Drawings].

2. Maintain security by limiting number of keys and restricting distribution to authorized personnel.[ Furnish one set of keys to Owner.]

H. Security Enclosure and Lockup: Install temporary enclosure around partially completed areas of construction. Provide lockable entrances to prevent unauthorized entrance, vandalism, theft, and similar violations of security. Lock entrances at end of each workday.

I. Barricades, Warning Signs, and Lights: Comply with requirements of authorities having jurisdiction for erecting structurally adequate barricades, including warning signs and lighting.

J. Temporary Egress: Provide temporary egress from existing occupied facilities as indicated and as required by authorities having jurisdiction. Provide signage directing occupants to temporary egress.

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K. Covered Walkway: Erect protective, covered walkway for passage of individuals through or adjacent to Project site. Coordinate with entrance gates, other facilities, and obstructions. Comply with regulations of authorities having jurisdiction[ and requirements indicated on Drawings].

1. Provide overhead decking, protective enclosure walls, handrails, barricades, warning signs, exit signs, lights, safe and well-drained walkways, and similar provisions for protection and safe passage.

2. Paint and maintain appearance of walkway for duration of the Work.

L. Temporary Enclosures: Provide temporary enclosures for protection of construction, in progress and completed, from exposure, foul weather, other construction operations, and similar activities. Provide temporary weathertight enclosure for building exterior.

1. Where heating or cooling is needed and permanent enclosure is incomplete, insulate temporary enclosures.

M. Temporary Partitions: Provide floor-to-ceiling dustproof partitions to limit dust and dirt migration and to separate areas occupied by [Owner][and][tenants] from fumes and noise.

1. Construct dustproof partitions with gypsum wallboard, with joints taped on occupied side, and fire-retardant-treated plywood on construction operations side.

2. Construct dustproof partitions with two layers of 6-mil polyethylene sheet on each side. Cover floor with two layers of 6-mil polyethylene sheet, extending sheets 18 inches up the sidewalls.

Overlap and tape full length of joints. Cover floor with fire-retardant-treated plywood.

a. Construct vestibule and airlock at each entrance through temporary partition with not less than 48 inches between doors. Maintain water-dampened foot mats in vestibule.

3. Where fire-resistance-rated temporary partitions are indicated or are required by authorities having jurisdiction, construct partitions according to the rated assemblies.

4. Insulate partitions to control noise transmission to occupied areas.

5. Seal joints and perimeter. Equip partitions with gasketed dustproof doors and security locks where openings are required.

6. Protect air-handling equipment.

7. Provide walk-off mats at each entrance through temporary partition.

N. Temporary Fire Protection: Install and maintain temporary fire-protection facilities of types needed to protect against reasonably predictable and controllable fire losses. Comply with NFPA 241; manage fire-prevention program.

1. Prohibit smoking in construction areas. Comply with additional limits on smoking specified in other Sections.

2. Supervise welding operations, combustion-type temporary heating units, and similar sources of fire ignition in accordance with requirements of authorities having jurisdiction.

3. Develop and supervise an overall fire-prevention and -protection program for personnel at Project site. Review needs with local fire department and establish procedures to be followed. Instruct personnel in methods and procedures. Post warnings and information.

4. Provide temporary standpipes and hoses for fire protection. Hang hoses with a warning sign, stating that hoses are for fire-protection purposes only and are not to be removed. Match hose size with outlet size and equip with suitable nozzles.

3.6 MOISTURE AND MOLD CONTROL

A. Moisture and Mold Protection: Protect stored materials and installed Work in accordance with Moisture

County of San Mateo, Flooring 01 50 00 00 - 11 and Mold Protection Plan.

B. Exposed Construction Period: Before installation of weather barriers, when materials are subject to wetting and exposure and to airborne mold spores, protect as follows:

1. Protect porous materials from water damage.

2. Protect stored and installed material from flowing or standing water.

3. Keep porous and organic materials from coming into prolonged contact with concrete.

4. Remove standing water from decks.

5. Keep deck openings covered or dammed.

C. Partially Enclosed Construction Period: After installation of weather barriers but before full enclosure and conditioning of building, when installed materials are still subject to infiltration of moisture and ambient mold spores, protect as follows:

1. Do not load or install drywall or other porous materials or components, or items with high organic content, into partially enclosed building.

2. Keep interior spaces reasonably clean and protected from water damage.

3. Periodically collect and remove waste containing cellulose or other organic matter.

4. Discard or replace water-damaged material.

5. Do not install material that is wet.

6. Discard and replace stored or installed material that begins to grow mold.

7. Perform work in a sequence that allows wet materials adequate time to dry before enclosing the material in gypsum board or other interior finishes.

D. Controlled Construction Period: After completing and sealing of the building enclosure but prior to the full operation of permanent HVAC systems, maintain as follows:

1. Control moisture and humidity inside building by maintaining effective dry-in conditions.

2. Use temporary or permanent HVAC system to control humidity within ranges specified for installed and stored materials.

3. Comply with manufacturer's written instructions for temperature, relative humidity, and exposure to water limits.

a. Hygroscopic materials that may support mold growth, including wood and gypsum-based products, that become wet during the course of construction and remain wet for [48] hours are considered defective and require replacing.

b. Measure moisture content of materials that have been exposed to moisture during construction operations or after installation. Record readings beginning at time of exposure and continuing daily for [48] hours. Identify materials containing moisture levels higher than allowed. Report findings in writing to Architect.

c. Remove and replace materials that cannot be completely restored to their manufactured moisture level within [48] hours.

3.7 OPERATION, TERMINATION, AND REMOVAL

A. Supervision: Enforce strict discipline in use of temporary facilities. To minimize waste and abuse, limit availability of temporary facilities to essential and intended uses.

B. Maintenance: Maintain facilities in good operating condition until removal.

1. Maintain operation of temporary enclosures, heating, cooling, humidity control, ventilation, and similar facilities on a 24-hour basis where required to achieve indicated results and to avoid possibility of damage.

01 50 00 00 - 12 County of San Mateo, Flooring

C. Temporary Facility Changeover: Do not change over from using temporary security and protection facilities to permanent facilities until Substantial Completion.

D. Termination and Removal: Remove each temporary facility when need for its service has ended, when it has been replaced by authorized use of a permanent facility, or no later than Substantial Completion.

Complete or, if necessary, restore permanent construction that may have been delayed because of interference with temporary facility. Repair damaged Work, clean exposed surfaces, and replace construction that cannot be satisfactorily repaired.

1. Materials and facilities that constitute temporary facilities are property of Contractor. Owner reserves right to take possession of Project identification signs.

2. Remove temporary roads and paved areas not intended for or acceptable for integration into permanent construction. Where area is intended for landscape development, remove soil and aggregate fill that do not comply with requirements for fill or subsoil. Remove materials contaminated with road oil, asphalt and other petrochemical compounds, and other substances that might impair growth of plant materials or lawns. Repair or replace street paving, curbs, and sidewalks at temporary entrances, as required by authorities having jurisdiction.

3. At Substantial Completion, repair, renovate, and clean permanent facilities used during construction period. Comply with final cleaning requirements specified in Section 017700 "Closeout Procedures."

END OF SECTION 01 50 00 00

County of San Mateo, Flooring 01 50 00 00 to 01 51 00 00 - 1

01 50 00 00 01 00 00 00 General Requirements 01 51 00 00 01 00 00 00 General Requirements

01 50 00 00 to 01 51 00 00 - 2 County of San Mateo, Flooring

2026 Temporary Electricity County of San Mateo, Flooring 01 51 13 00 - 1

SECTION 01 51 13 00 - TEMPORARY ELECTRICITY

1.1 DESCRIPTION OF WORK

A. This specification covers the furnishing and installation of materials for electrical renovation. Products shall be as directed by the Owner. Installation procedures shall be in accordance with the product manufacturer's recommendations. Demolition and removal of materials shall be as required to support the work.

1.2 GENERAL

A. Quality Assurance

1. Regulatory Requirements: Comply with following:

a. Electrical: National Fire Protection Association (NFPA): NFPA 70 - National Electrical Code

(NEC).

b. Accessibility:

1) Architectural Barriers Act of 1968 as amended (42 USC 4151-4157) and HUD implementing regulations (24 CFR Part 40).

a) Uniform Federal Accessibility Standards (UFAS).

2) Section 504 of the Rehabilitation Act of 1973 as amended (29 USC 794) and HUD implementing regulations 24 CFR Part 8.

3) Fair Housing Accessibility Guidelines (24 CFR Chapter 1).

4) Americans with Disabilities Act of 1990 (ADA) (42 USC §§ 12101, et seq.) and implementing regulations (28 CFR Part 35).

B. Project Conditions

1. Existing Conditions: Buildings will be occupied during construction. See Division 1 Section

“Summary of Work.” Do not interfere with use of occupied portions of building. Maintain free and safe passage to and from occupied areas.

C. Scheduling And Sequencing

1. Scheduling and Completion: Comply with requirements of Detailed Scope of Work.

D. Alterations, Cutting And Protection

1. Protection: Protect existing finishes, equipment, utilities and adjacent work, which is scheduled to remain, from damage.

2. Existing Operating Facilities: Confine operations to immediate vicinity of new work and do not interfere with or obstruct ingress or egress to and from adjacent facilities.

1.3 PRODUCTS

A. Materials

1. Electrical Materials and Devices: Comply with NFPA 70 (NEC):

a. Boxes: Galvanized steel, not less than 1.6 mm (0.0625 inch) thickness (NEC 370-20) grounded in accordance with NEC, Article 250, suitable for recess mounting.

1) Provide boxes of appropriate shape and size for intended purpose.

b. Devices:

1) Duplex Receptacles: 15 A or 20 A 115 V, UL Listed with screw side connections and corrugated bearing pads.

a) GFIC Outlets: 115 V, 60 Hz, 15/20 A rating, UL Listed.

2) Switches: 15 A. 115 V, single pole, single throw switch, UL Listed, with side screw connections and corrugated bearing pads.

Temporary Electricity 2026 01 51 13 00 - 2 County of San Mateo, Flooring

a) Garbage Disposal: Heavy duty, 120/277 VAC, 60 Hz, single pole, single throw, 20 A rate, UL listed and CSA certified.

3) Cover Plates: Smooth plastic in color to match existing.

c. Wiring: Insulated wire, Type NM 600 V with ground wire, sized as appropriate for intended purpose and in accordance with NEC.

1) Aluminum Wire: Not allowed unless existing wiring is aluminum.

2) Provide necessary fittings in accordance with NEC.

1.4 EXECUTION

A. Examination

1. Units, Spaces and Areas to be Renovated: Inspect to become familiar with existing conditions and to take measurements which are necessary for renovation work to be completed in accordance with contract requirements.

a. Carefully inspect condition of existing spaces including, but not limited to walls, floors, plumbing, electrical, etc. as essential to successful completion of renovation work.

b. Survey each space and verify dimensions for work.

B. Preparation

1. Building Occupation: Carry out renovation work to cause as little inconvenience to occupants as possible. See Division 1 Section “Summary of Work.”

2. Protection: Protect and be responsible for existing buildings, facilities, utilities, and improvements within areas of construction operations.

a. Tenant's Property: Be responsible for any damage or loss to residents' property and to other work. Replace any material, which, in opinion of the Owner, has become damaged to extent that it could not be restored to its original condition.

b. Take precautions to protect residents and public from injury from construction operations.

C. Laying Out Work

1. Discrepancies: Verify dimensions and elevations indicated in layout of existing work.

a. Prior to commencing work, carefully compare and check Drawings (if any), for discrepancies in locations or elevations of work to be executed.

b. Refer discrepancies among Drawings (if any), Specifications and existing conditions to the Owner for adjustment before work affected is performed.

1) Failure to make such notification shall place responsibility on Contractor to carry out work in satisfactory, workmanlike manner.

2. Contractor: Responsible for location and elevation of construction contemplated by Construction

Documents.

D. Location Of Equipment And Piping

1. Drawings (if any) indicating location of equipment, piping, ductwork, etc. are diagrammatic and job conditions shall not always permit their installation in location shown. When this situation occurs, bring condition to the Owner's attention immediately. Relocation will be determined in joint conference.

2. Contractor: Do not relocate any items without first obtaining the Owner's acceptance. Remove and relocate such relocated items at own expense if so directed.

E. Electrical Work

1. General: Install boxes, wiring, and devices as indicated and required to connect and control electrical devices in accordance with NFPA 70 (NEC).

a. Boxes: Solidly anchor to framing or blocking.

2. Removing Electrical Switch or Duplex Outlet (Non-Hazardous Locations):

a. Box to Remain:

1) Remove electrical device; cap hot and neutral with set-screw wire connectors.

2026 Temporary Electricity County of San Mateo, Flooring 01 51 13 00 - 3

2) Attach ground wire to remaining box with solid screw attachment.

3) Provide and install natural finish aluminum blank cover plate with screw fasteners integral to match size of box remaining.

b. Box to be removed:

1) Remove electrical device and box and pull wire out of wall back to first circuit panel, disconnecting from circuit panel.

2) Patch and repair hole in partition to match existing.

3. Garbage Disposal Electrical Hook-up: See Section “Plumbing.” Comply with NFPA 70 (NEC):

a. Wiring: Install from disposal through concealed spaces to house panel, anchoring wire, and providing necessary fittings.

b. Switch: Install above counter top backsplash.

4. Range Hood Electrical Hook-up: See Section “Residential Appliances.” Comply with NFPA 70

(NEC):

a. Electric service: Install insulated wire from range hood through concealed spaces to house panel, anchoring wire, and providing necessary fittings.

5. Water Heater Electrical Hook-up: See Division 15 Section “Domestic Water Heaters.” Comply with NFPA 70 (NEC).

6. Furnace Electrical Hook-up: See Section “Furnaces.” Comply with NFPA 70 (NEC).

7. Smoke Detector Electrical Hook-up: See “Fire Alarm.” Comply with NFPA 70 (NEC).

F. Integrating Existing Work

1. Protection: Protect existing improvements from damage.

a. Where new work is to be connected to existing work, exercise special care not to disturb or damage existing work more than necessary.

b. Damaged Work: Replace, repair and restored to its original condition at no cost to the Owner.

END OF SECTION 01 51 13 00

Temporary Electricity 2026 01 51 13 00 - 4 County of San Mateo, Flooring

2026 Panelboards County of San Mateo, Flooring 01 51 13 00a - 1

SECTION 01 51 13 00A - PANELBOARDS

1.1 SUMMARY

A. Section Includes:

1. Panelboards.

2. Disconnecting and overcurrent protective devices.

B. Related Requirements:

1. Section 018116 "Facility Environmental Requirements" specifies temperature, humidity, acoustical, and other field conditions applicable to the Work specified in this Section.

2. Section 018123 "Facility Seismic and Wind Criteria" specifies seismic hazard, wind hazard, and other structural design conditions applicable to the Work specified in this Section.

3. Section 260010 "Supplemental Requirements for Electrical" specifies additional abbreviations, definitions, submittals, qualifications, testing agencies, and other requirements applicable to the Work for electrical, communications, and electronic safety and security systems on Project, including wiring methods.

4. Section 260529 "Hangers and Supports for Electrical Systems" specifies concrete bases and supports for panelboards installed by this Section.

5. Section 260548 "Vibration and Seismic Controls for Electrical Systems" specifies seismic control devices, mounting devices, and anchoring devices installed by this Section.

6. Section 260553 "Identification for Electrical Systems" specifies electrical equipment labels and warning signs installed by this Section.

7. Section 260573 "Power System Studies" specifies short-circuit current studies, overcurrent protective device coordination studies, and arc-flash hazard analysis studies.

8. Section 260913 "Electrical Power Monitoring" specifies power monitoring and control systems installed by this Section.

9. Section 262813 "Fuses" specifies fuses and spare-fuse cabinets installed by this Section.

10. Section 264313 "Surge Protective Devices for Low-Voltage Electrical Power Circuits" specifies

Type 1 and Type 2 surge protective devices installed by this Section.

1.2 DEFINITIONS

A. MCCB: Molded-case circuit breaker.

B. SPD: Surge protective…