B08_Attach_01_Specs_Rehabilitate_North_Rim_Vol_B_(Div_02-23)_20261012.pdf

GRCA - 318719 00 01 01.B - 1

Construction Documents Cover Page Volume B

GRAND CANYON NATIONAL PARK

GRAND CANYON, ARIZONA

Rehabilitate North Rim Infrastructure

GRCA 318719

SPECIFICATIONS

Volume B (Divisions 02-23)

CONSTRUCTION DOCUMENTS

NATIONAL PARK SERVICE

DENVER SERVICE CENTER

May 2026

This page intentionally left blank.

GRCA - 318719 00 01 07.B - 1

Construction Documents SEALS AND SIGNATURES - Volume B

SEALS AND SIGNATURES - Volume B

It is a violation of applicable laws and regulations governing professional licensing and registration for any person, unless acting under the direction of the licensed and registered design professional(s) indicated above, to alter in any way the Specifications in this project manual.

I hereby certify that the portion of the Specifications described below was prepared by me or under my direct supervision and that I am a duly registered Professional

Engineer under the laws of the State of Arizona.

Ryan Rhoades, PE 05/01/2026

Pages or Specifications divisions or sections covered by this seal:

Sections 02 41 00

Juan Coronado, PE 05/01/2026

Sections 03 01 30, 03 05 05, 03 11 13, 03 15 19, 03 21 00, 03 31 30, 03 31 31, 03 35 00, 03 41 33, 04 05 13, 04 22 00, 05 12 00, 05 14 00, 05 21 00, 05 30 00, 05 50 00

Architect under the laws of the State of Arizona.

Richard McKinley, RA 05/01/2026

Sections 04 01 20, 04 05 23, 04 05 50, 05 52 46, 06 10 00, 06 41 00, 06 82 00, 07 14 00, 07 21 00, 07 26 00, 07 27 46, 07 46 10, 07 61 13, 07 62 00, 07 84 00, 07 92 00, 08 11 00, 08 11 16, 08 14 16, 08 31 00, 08 33 22, 08 70 00, 08 81 00, 08 90 00, 09 06 00, 09 22 16, 09 29 00, 09 30 13, 09 51 00, 09 65 36, 09 67 26, 09 84 00, 09 91 00, 09 96 00, 10 11 00, 10 14 23, 10 28 13, 10 44 33, 10 51 13, 11 24 26, 11 30 13, 11 53 13, 11 53 43, 12 24 13, 12 35 53

GRCA - 318719 00 01 07.B - 1

Construction Documents SEALS AND SIGNATURES - Volume B

Adam Putman, PE 05/01/2026

Sections 22 05 03, 22 05 23, 22 05 29, 22 11 26, 22 20 00, 23 05 48, 23 05 93, 23 09 00, 23 31 00, 23 34 00, 23 74 36, 23 80 00, 23 81 29

Tou Vang, PE 05/01/2026

Section 13 47 13.17

Jennifer Stillman, PE 05/01/2026

Section 10 14 00, 11 53 00

END OF SEALS AND SIGNATURES

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Construction Documents TABLE OF CONTENTS

TABLE OF CONTENTS

DIVISION 02 — EXISTING CONDITIONS

02 00 00 - DIVISION 02 DIVIDER

02 41 00 - DEMOLITION

DIVISION 03 — CONCRETE

03 00 00 - DIVISION 03 DIVIDER

03 01 30 - REPAIR AND REHABILITATION OF EXISTING CONSTRUCTION

03 05 05 - CONCRETE TESTING AND INSPECTION

03 11 13 - FORMWORK

03 15 19 - ANCHORAGE TO CONCRETE

03 21 00 - REINFORCEMENT

03 31 30 - CONCRETE MATERIALS AND PROPORTIONING

03 31 31 - CONCRETE MIXING, PLACING, JOINTING, AND CURING

03 35 00 - CONCRETE FINISHING AND REPAIR OF SURFACE DEFECTS

03 41 33 - PRECAST AND PRESTRESSED CONCRETE

DIVISION 04 — MASONRY

04 00 00 - DIVISION 04 DIVIDER

04 01 20 - MASONRY CLEANING

04 05 13 - MASONRY MORTAR AND GROUT

04 05 23 - MASONRY ACCESSORIES

04 05 50 - COLD AND HOT WEATHER MASONRY CONSTRUCTION

04 22 00 - CONCRETE MASONRY

DIVISION 05 — METALS

05 00 00 - DIVISION 05 DIVIDER

05 12 00 - STRUCTURAL STEEL

05 14 00 - STRUCTURAL ALUMINUM

05 21 00 - STEEL JOISTS

05 30 00 - METAL DECKING

05 50 00 - METAL FABRICATIONS

05 52 46 - MECHANICALLY FASTENED ALUMINUM RAILINGS

DIVISION 06 — WOOD, PLASTICS, AND COMPOSITES

06 00 00 - DIVISION 06 DIVIDER

06 10 00 - ROUGH CARPENTRY

06 41 00 - ARCHITECTURAL WOOD CASEWORK

06 82 00 - FIBERGLASS REINFORCED PLASTIC FABRICATIONS

DIVISION 07 — THERMAL AND MOISTURE PROTECTION

07 00 00 - DIVISION 07 DIVIDER

07 14 00 - FLUID APPLIED WATERPROOFING

07 21 00 - BUILDING INSULATION

07 26 00 - UNDER SLAB VAPOR RETARDER

07 27 46 - VAPOR PERMEABLE AIR BARRIER

07 46 10 - CEMENT BOARD SIDING

07 61 13 - METAL ROOFING

07 62 00 - SHEET METAL FLASHING AND TRIM

07 84 00 - FIRESTOPPING

07 92 00 - JOINT SEALANTS

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DIVISION 08 — OPENINGS

08 00 00 - DIVISION 08 DIVIDER

08 11 00 - HOLLOW METAL DOORS AND FRAMES

08 11 16 - ALUMINUM DOORS AND FRAMES

08 14 16 - FLUSH WOOD DOORS

08 31 00 - ACCESS DOORS

08 33 22 - ALUMINUM ROLLING OVERHEAD DOORS

08 70 00 - FINISH HARDWARE

08 81 00 - GLASS AND GLAZING

08 90 00 - LOUVERS AND VENTS

DIVISION 09 — FINISHES

09 00 00 - DIVISION 09 DIVIDER

09 06 00 - COLOR SCHEDULE

09 22 16 - NON-STRUCTURAL METAL FRAMING

09 29 00 - GYPSUM BOARD

09 30 13 - CERAMIC TILE

09 51 00 - ACOUSTICAL CEILINGS

09 65 36 - STATIC DISSIPATIVE RESILIENT TILE FLOORING AND RESILIENT BASE

09 67 26 - SEAMLESS EPOXY FLOORING

09 84 00 - ACOUSTICAL PANEL SYSTEM

09 91 00 - ARCHITECTURAL PAINTING

09 96 00 - HIGH PERFORMANCE INDUSTRIAL COATINGS

DIVISION 10 — SPECIALTIES

10 00 00 - DIVISION 10 DIVIDER

10 11 00 - LIQUID CHALKBOARD AND TACKBOARDS

10 14 00 - IDENTIFICATION DEVICES

10 14 23 - SIGNAGE

10 28 13 - TOILET ACCESSORIES

10 44 33 - FIRE PROTECTION SPECIALTIES

10 51 13 - METAL LOCKERS AND LOCKER BENCHES

DIVISION 11 — EQUIPMENT

11 00 00 - DIVISION 11 DIVIDER

11 24 26 - SHOP AND STORAGE EQUIPMENT

11 30 13 - APPLIANCES

11 53 00 - LABORATORY INSTRUMENTATION - TABLE-TOP AND HANDHELD

11 53 13 - LABORATORY FUME HOODS AND EXHAUST DEVICES

11 53 43 - LABORATORY SERVICE FITTINGS AND FIXTURES

DIVISION 12 — FURNISHINGS

12 00 00 - DIVISION 12 DIVIDER

12 24 13 - ROLLER WINDOW SHADES

12 35 53 - LABORATORY CASEWORK AND OTHER FURNISHINGS

DIVISION 13 — SPECIAL CONSTRUCTION

13 00 00 - DIVISION 13 DIVIDER

13 47 13.17 - CATHODIC PROTECTION OF STEEL WATER TANKS - INTERNAL GALVANIC

DIVISION 21 — FIRE SUPPRESSION

21 00 00 - DIVISION 21 DIVIDER

DIVISION 22 — PLUMBING

22 00 00 - DIVISION 22 DIVIDER

22 05 03 - PIPE AND PIPE FITTINGS - PLUMBING SYSTEMS

22 05 23 - GENERAL-DUTY VALVES FOR PLUMBING PIPING

22 05 29 - HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT

22 11 26 - PACKAGED DOMESTIC WATER PRESSURE BOOSTER SYSTEM

NOT USED

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22 20 00 - PLUMBING FIXTURES AND EQUIPMENT

DIVISION 23 — HEATING VENTILATING AND AIR CONDITIONING

23 00 00 - DIVISION 23 DIVIDER

23 05 48 - VIBRATION AND SEISMIC CONTROLS FOR HVAC PIPING AND EQUIPMENT

23 05 93 - HVAC SYSTEMS - BALANCING AND TESTING

23 09 00 - INSTRUMENTATION AND CONTROL FOR HVAC SYSTEMS

23 31 00 - HVAC - DUCTWORK

23 34 00 - HVAC - FANS

23 74 36 - REFRIGERANT PIPING SYSTEM

23 80 00 - HVAC - EQUIPMENT

23 81 29 - VARIABLE REFRIGERANT FLOW HEAT PUMP SYSTEMS

D I V I S I O N 0 2

EXISTING CONDITIONS

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Construction Documents DEMOLITION

SECTION 02 41 00

DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. General provisions applicable to all demolition and removals.

2. Civil/site demolition and removals.

3. Architectural and structural demolition and removals.

4. Mechanical demolition and removals

5. Electrical demolition and removals.

6. Disposal of demolition debris, materials, and equipment.

B. Scope:

1. Contractor shall provide all labor, materials, equipment, tools, and incidentals as shown, specified and required for demolition, removals, and disposal Work.

2. The Work under this Specifications section includes, but is not necessarily limited to:

a. Demolition and removal of existing materials and equipment as shown or indicated in the Contract Documents. The Work includes demolition of structural concrete, foundations, walls, doors, windows, structural steel, metals, roofs, masonry, attachments, appurtenances, piping, electrical and mechanical systems and equipment, pavement, sidewalks, gutters, fencing, and similar existing materials, equipment, and items.

3. Demolitions and removals indicated in other Specifications sections shall comply with requirements of this Specifications section.

4. Perform demolition Work within areas shown or indicated.

5. Pay all costs associated with transporting and, as applicable, disposing of materials and equipment resulting from demolition and removals Work.

C. Related Requirements:

1. Section 31 10 00 - Site Clearing.

1.2 QUALITY ASSURANCE

A. Referenced Standards:

1. National Fire Protection Association (NFPA):

a. 241, Safeguarding Construction, Alteration, and Demolition Operations.

B. Regulatory Requirements:

1. Demolition, removals, and disposal Work shall be in accordance with 29 CFR 1926.850 through 29 CFR 1926.860 (Subpart T – Demolition), and all other Laws and Regulations.

2. Comply with requirements of authorities having jurisdiction.

C. Qualifications:

1. Electrical Removals: Entity and personnel performing electrical removals shall be electrician(s) legally qualified to perform electrical construction and electrical work in the jurisdiction where the Site is located.

2. Plumbing Removals: Entity and personnel performing plumbing removals shall be plumber(s) legally qualified to perform plumbing construction and plumbing work in the jurisdiction where the Site is located.

1.3 ADMINISTRATIVE REQUIREMENTS

A. Coordination:

1. Review procedures under this and other Specifications sections and coordinate the Work that will be performed with or before demolition and removals.

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1.4 SUBMITTALS

A. Informational Submittals: Submit the following:

1. Procedure Submittals:

a. Demolition and Removal Plan: Not less than ten days prior to starting demolition

Work, submit acceptable plan for demolition and removal Work, including:

1) Plan for coordinating shut-offs, capping, temporary services, and continuing utility services.

2) Other proposed procedures as applicable.

3) Equipment proposed for use in demolition operations.

4) Recycling/disposal facility(ies) proposed, including facility owner, facility name, location, and processes. Include copy of appropriate permits and licenses, and compliance status.

5) Planned demolition operating sequences.

6) Detailed schedule of demolition Work in accordance with the Schedule accepted by Contracting Officer.

2. Notification of Intended Demolition Start: Submit in accordance with Paragraph 3.1.A of this Specifications Section.

3. Field Quality Control Test Results:

a. Results of megger-testing of existing motors to remain Governments’s property.

4. Qualifications Statements:

a. Name and qualifications of entity performing electrical removals, including copy of licenses required by authorities having jurisdiction.

b. Name and qualifications of entity performing plumbing removals,

1.5 SITE CONDITIONS

A. Government makes no representation of condition or structural integrity of area(s) to be demolished or where removals are required by the Contract Documents.

PART 2 - PRODUCTS - (NOT USED)

PART 3 - EXECUTION

3.1 PREPARATION

A. Notification:

1. Not less than 48 hours prior to commencing demolition or removal, advise Contracting

Officer in writing of planned start of demolition Work. Do not start removals without permission of Contracting Officer.

2. Where demolition or removals has potential to affect adjacent properties, occupants, streets, or other public thoroughfare, transportation facilities, and utilities, furnish required notices to owners and occupants of properties, buildings, and structures that may be affected by the demolition of removal.

3. In accordance with Laws and Regulations, furnish to authorities having jurisdiction, including emergency services as necessary, appropriate notices of planned demolition and removals.

4. Submit to Contracting Officer copies of notices furnished to adjacent property owners, occupants, and authorities having jurisdiction.

B. Protection of Adjacent Areas and Facilities:

1. Perform demolition and removal Work in manner that prevents damage and injury to property, structures, occupants, the public, and facilities. Do not interfere with use of, and free and safe access to and from, structures and properties unless allowed by the Contract

Documents otherwise allowed in writing by Contracting Officer.

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2. Closing or obstructing of roads, drives, sidewalks, and passageways adjacent to the Work is not allowed unless indicated otherwise in the Contract Documents. Conduct the Work with minimum interference to vehicular and pedestrian traffic.

3. Provide temporary partitions between demolition work areas and (a) areas that will be occupied during demolition and removals, and (b) areas accessible to the public or visitors.

Temporary partitions shall be sturdy, braced plywood in good condition, of dimensions sufficient to adequately screen demolition work from view of occupants, public, and visitors. Maintain temporary partitions in place until demolition and removals work in the subject area is complete or until other Work requires removal of temporary partitions.

4. Provide appropriate temporary barriers, lighting, sidewalk sheds, and other necessary protection.

5. Repair damage to facilities that are to remain which such damages results from Contractor’s operations.

C. Existing Utilities: In addition to requirements of the General Conditions, Supplementary

Conditions, and Division 01 Specifications, perform the following:

1. Should unforeseen, unknown, or incorrectly shown or indicated Underground Facilities be encountered, Contractor responsibilities shall be in accordance with the General Conditions as may be modified by the Supplementary Conditions. Cooperate with utility owners in keeping adjacent services and facilities in operation.

2. Sanitary Sewerage: Before proceeding with demolition, locate and cap all sewer lines and service laterals discharging from the building or structure being demolished.

3. Storm Water Sewerage: Existing storm water system shall remain in place until demolition of existing building or structure is complete. Upon completing demolition, cut and cap storm sewerage at locations shown on the Drawings. Remove existing storm water piping and related structures between points of cutting, and backfill, restore to grade, and stabilize the area over the removed facilities in accordance with the Contract Documents.

4. Water Piping and Related Facilities: Before proceeding with demolition, locate and cap all potable and non-potable waterlines and service laterals serving the building or structure being demolished. Ensure compliance with Laws and Regulations regarding water quality.

5. Other Utilities: Before proceeding with demolition, locate and cap as required all other utilities, such as fuel and gas; compressed air; heating, ventilating, and air conditioning;

electric; and communications; and service laterals serving the building or structure being demolished.

6. Shutdown of utility services shall be coordinated by Contractor, assisted by Contracting

Officer as required relative to contacting utility owners.

D. Remediation:

1. If unanticipated Hazardous Environmental Condition is believed to be encountered during demolition and removals, comply with requirements of the General Conditions, as may be modified by the Supplementary Conditions.

3.2 DEMOLITION - GENERAL

A. Locate construction equipment used for demolition Work and remove demolished materials and equipment to avoid imposing excessive loading on supporting and adjacent walls, floors, framing, facilities, and Underground Facilities.

B. Pollution Controls:

1. Use water sprinkling, temporary enclosures, and other suitable methods to limit emissions of dust and dirt to lowest practical level. Comply with Section 01 50 00 - Temporary

Facilities and Controls, and Laws and Regulations.

2. Do not use water when water may create hazardous or objectionable conditions such as icing, flooding, or pollution.

3. Clean adjacent structures, facilities, properties, and improvements of dust, dirt, and debris caused by demolition Work, in accordance with the General Conditions and Section 01 73

40 - Execution.

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C. Explosives:

1. Explosives are not allowed at the Site. Do not use explosives for demolition and removal

Work.

D. Comply with Section 01 73 29 - Cutting and Patching and NFPA 241.

E. Building or Structure Demolition and Removals:

1. Unless otherwise approved by Contracting Officer, proceed with demolition from top of building or structure to the ground. Complete demolition Work above each floor or tier before disturbing supporting members of lower levels.

2. Demolish concrete and masonry in small sections.

3. Remove structural framing members and lower to ground using hoists, cranes, or other suitable methods. Do not throw or drop to the ground.

4. Break up and remove foundations, mats, and slabs-on-grade unless otherwise shown or indicated as remaining in place.

5. Temporary Bracing and Supports:

a. Provide temporary bracing and supports sufficient to maintain safety, stability, and resist all loads to which the structure may be subject during demolition and removals, until entirety is permanently removed or permanently stabilized.

b. Temporary bracing and supports shall be sufficient for associated dead load, live load, transient loading, and dynamic loads such as wind, seismic, and other loads to which the temporary bracing or support may be subject.

c. Where appropriate, retain a professional structural engineer, duly licensed and registered in the same jurisdiction as the Site, to design temporary bracing and supports.

F. Salvage and Ownership:

1. Materials and equipment to remain Government’s property shall be:

a. Carefully removed and appropriately handled by Contractor to avoid damage and invalidation of warranties in effect. Brace motors attached to flexible mountings until reinstallation or delivery to Government’s storage location. Fully remedy to pre-construction condition or replace items damaged during removal or handling by

Contractor.

b. Removed as functional units, together with all appurtenances required for operation.

c. Cleaned, listed, and tagged for storage.

d. Protected from damage.

e. Delivered to designated storage location at the Site or other site indicated in the

Contract Documents, at place designated by Contracting Officer or Government.

2. Preparation of Government’s existing equipment for storage:

a. Where appropriate, identify each component with markings or tags to indicate its position in the assembly and the assembly of which it is part.

b. Place small parts in appropriate, durable boxes and clearly mark contents on the outside of box or container.

c. Remove oil from oil-lubricated bearings and gear boxes and replace with storage oil.

d. Grease grease-lubricated bearings.

e. Replace breather plugs with solid plugs.

f. Megger-test motor windings: Attach report of the test results to the associated motor and submit copy to Contracting Officer’s Representative.

g. Attach unit to suitable crate bottom.

h. Enclose unit in polyethylene film and seal all seams and the film to the base of the unit with tape.

i. Construct crate of wood slats around top and sides of unit.

j. Attach permanent instruction tag to outside of crate stating “This unit has been prepared for storage. Replace oil, vent plugs, and lubricant in accordance with manufacturer's instructions before start-up.”

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G. Finishing of Surfaces Exposed by Removals: Unless otherwise shown or indicated in the

Contract Documents, surfaces of walls, floors, ceilings, and other areas exposed by removals, and that will remain as finished surfaces, shall be repaired and re-finished with materials that match existing adjacent surface, or as otherwise approved by Contracting Officer’s

Representative.

3.3 STRUCTURAL REMOVALS

A. Remove structures to lines and grades shown or indicated, unless otherwise directed by

Contracting Officer. Where limits are not shown or indicated, limits shall be four inches outside item to be installed. Removals beyond limits shown or indicated shall be at Contractor’s risk and expense and such excess removals shall be reconstructed to satisfaction of Contracting

Officer without additional cost to Government.

B. Recycling and Reuse of Demolition Materials:

1. All concrete, brick, tile, masonry, roofing materials, reinforcing steel, structural metals, miscellaneous metals, plaster, wire mesh, and other items contained in or upon building or structure to be demolished shall be removed, transported, and disposed of away from the

Site, unless otherwise approved by Contracting Officer.

2. Do not use demolished materials as fill or backfill adjacent to structures, in pipeline trenches, or as subbase under structures or pavement.

C. After removing concrete and masonry walls or portions thereof, mats, slabs, and similar construction that ties in to the Work or to existing construction, neatly repair the junction point to leave exposed only finished edges and finished surfaces.

D. Where parts of existing structures are to remain in service following demolition, remove the portions shown or indicated for removal, repair damage, and leave the building or structure in proper condition for the intended use.

1. Remove concrete and masonry to the lines shown or indicated by sawing, drilling, chipping, and other suitable methods. Leave the resulting surfaces true and even, with sharp, straight corners that will result in neat joints with new construction and be satisfactory for the purpose intended.

2. Do not damage reinforcing bars beyond the area of concrete and masonry removal. Do not saw-cut beyond the area to be removed.

3. Reinforcing bars that are exposed at surfaces of removed concrete and masonry that will not be covered with new concrete or masonry shall be removed to 1.5 inches below the final surface. Repair the resulting hole, with repair mortar for concrete and grout for masonry, to be flush with the surface.

4. Where existing reinforcing bars are shown or indicated to extend into new construction, remove existing concrete so that reinforcing bars are clean and undamaged.

E. Removal of Anchorages and Protruding Metals:

1. Where equipment or material anchored to concrete or masonry are removed and anchors are not to be re-used, and where existing metals (and to be removed) protrude from concrete, remove the anchors and other metal to not less than 1.5 inches beneath surface of concrete or masonry member. Repair the resulting hole, using repair mortar for concrete and grout for masonry, to be flush with the surface.

2. Alternately, when the anchor is stainless steel, the anchor may be cut flush with the surface of the concrete or masonry, when so approved by Contracting Officer’s Representative.

F. Jambs, sills and heads of windows, passageways, doors, or other openings (as applicable) cut-in to the Work or to existing construction shall be dressed with masonry, concrete, or metal to provide smooth, finished appearance.

G. Where anchoring materials, including bolts, nuts, hangers, welds, and reinforcing steel, are required to attach the Work to existing construction, provide such materials under this

Specifications section, unless specified elsewhere in the Contract Documents.

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3.4 MECHANICAL REMOVALS

A. Mechanical demolition and removal Work includes dismantling and removing existing:

1. Piping systems and ductwork systems.

2. Mechanical equipment and appurtenances.

3. Mechanical elements of instrumentation and control systems, such as sensors and transmitters and similar items.

4. Mechanical removals include cutting and capping as required, except that cutting of existing piping and ductwork to make connections is included under Section 01 73 29 - Cutting and

Patching; Specifications sections in which requirements for coordination with Government operations are indicated; and applicable Specifications of Division 21 - Fire Suppression, Division 22 - Plumbing, Division 23 - Heating, Ventilating, and Air Conditioning, Division

40 - Process Interconnections, and others as applicable.

5. Mechanical removals as required herein apply to systems exposed to view, hidden from view, and Underground Facilities. Mechanical removals may require work in spaces that may be classified confined spaces.

B. Life-Safety Systems:

1. Retain existing life-safety systems, including but not limited to fire suppression systems, in place for as long as possible prior to performing associated demolition and removals.

2. Where demolishing buildings or structures equipped with life-safety systems, remove or deactivate life-safety systems only in the area where active demolition operations are in progress.

C. Demolition and Removals of Piping, Ductwork, and Similar Items:

1. Scope:

a. Safety purge piping and tanks (as applicable) of chemicals, fuel, solids, liquids, and gases (as applicable) and make safe for removal and capping. Discharge contents of existing piping appropriately while avoiding damaging property; restricting access to or use of property; and cresting unsafe, unsanitary, nuisances, and noisome conditions.

b. To the extent shown or indicated, remove existing piping conveying water (potable and non-potable), waste and vent, fuel (liquids and gases), heating fluids (such as water-glycol solutions), chemicals, solids and slurries, sludge, wastewater, other fluids, and processes gases, and other piping.

c. Remove piping to the nearest structurally sound (or “solid”) piping support, and provide caps on ends of remaining piping.

d. Where piping to be demolished passes through existing walls to remain, cut off and cap pipe on each side of the wall.

2. Caps, Closures, Blind Flanges, and Plugs – General (All Piping and Ducts):

a. Provide closure pieces, such as blind flanges and caps, where shown or required to complete the Work.

b. Where used in this Specifications section, the term “cap” means the appropriate type closure for the piping or ductwork being closed, including caps, blind flanges, and other closures.

c. Caps shall be compatible with the piping or ductwork on which the cap is installed, fluid-tight and gastight, and appropriate for the fluid or gas conveyed in the pipe or duct.

d. Unless otherwise shown or indicated, caps shall be mechanically fastened, fused, or welded to pipe or duct. Plug piping with means other than specified in this

Specifications section only when expressly so shown or indicated in the Contractor

Documents or when allowed by Contracting Officer’s Representative.

3. Underground Facilities:

a. When Underground Facilities are altered or removed, properly cut and cap piping left in place, unless otherwise shown or indicated.

4. Waste and Vent Piping; Ductwork:

a. Remove waste and vent piping, and ductwork to extent shown and cap as required.

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b. Where demolished vent piping, stacks, and ductwork passes through existing roofing, patch the roof with the same or similar materials as existing, and fully compatible with ensign materials. Completed patch shall be watertight and comply with roofing manufacturer’s recommendations.

5. Potable Water Piping; Plumbing; Fire Suppression Piping and Systems; Heating Piping:

a. Modifications to potable water piping, fire suppression systems, other plumbing piping, and heating system piping shall comply with Laws and Regulations.

b. All portions of potable water systems that have been modified or opened shall be hydrostatically tested and disinfected in accordance with the Contract Documents, and

Laws and Regulations. Hydrostatically test other, normally-pressurized, plumbing and fire suppression piping and heating piping systems.

D. Equipment Demolition and Removals:

1. To the extent shown or indicated and as required for the Work, remove existing mechanical equipment, including (but not limited to):

a. Facility equipment, such as food service equipment, laundry equipment, dumbwaiters, and similar facility items.

b. Conveying equipment such as elevators, escalators, and similar general-use conveying systems.

c. Fire suppression and plumbing equipment.

d. Heating, ventilating, and air conditioning equipment.

e. Standby power generators.

f. Security systems equipment.

g. Transportation-related equipment.

h. Flow control gates and valves.

i. Hoisting equipment.

j. Bulk materials conveying equipment.

k. Process heating and cooling equipment.

l. Blowers, compressors, air filters, air dryers, and similar equipment.

m. Pumps.

n. Tanks.

o. Process equipment, including purification equipment, pollution control and solid waste equipment, and treatment process equipment.

p. Turbines.

q. Appurtenances (including motors, drive systems, controls, cooling water and seal water systems) as shown, indicated, and required for completion of the Work.

2. Where required, disassemble equipment to avoid imposing excessive loading on supporting walls, floors, framing, facilities, and Underground Facilities. Disassemble equipment as required for access through and egress from building or structure. Disassembly and removal shall comply with Laws and Regulations. Provide required means to remove equipment from building or structure.

3. Remove control panels, operator stations, and instruments associated with equipment being removed, unless shown or indicated otherwise.

4. Tanks and Equipment Containing Process Material:

a. Purge contents in accordance with Paragraph 3.5.A of this Specifications Section and other requirements of the Contract Documents, as applicable.

b. When removing generators, remove associated fuel storage tanks unless otherwise indicated to remain.

c. Where contents of tank or equipment item may pose a potential hazard, such as hydrocarbon fuels or chemicals, properly dispose of contents in accordance with Laws and Regulations and the Contract Documents.

d. Where tank or equipment contains wastewater or liquid sludge, and the Site is a wastewater treatment facility, transport and dispose of stored contents onsite at location acceptable to Contracting Officerunless otherwise indicated in the Contract Documents.

If Site is other than a wastewater treatment facility, dispose of contents appropriately in accordance with Laws and Regulations.

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e. Where tank or equipment contains solid or slurry-type material, remove, handle, and transport the contents and appropriately dispose of the materials offsite in accordance with Laws and Regulations, unless otherwise indicated in the Contract Documents.

5. Remove equipment supports as applicable, anchorages, base, grout, and piping. Remove anchorage systems in accordance with the “Structural Removals” Article in this

Specifications section.

6. Remove small-diameter piping back to header unless otherwise indicated.

7. Remove access platforms, ladders, and stairs related to equipment being removed, unless otherwise shown or indicated.

8. Instrumentation and Control Systems Removal:

a. Remove instrumentation and controls equipment in accordance with this Specifications section’s requirements for mechanical removals and electrical removals.

b. Comply with this Specifications section’s “Disposal of Demolition Debris” Article for restrictions on sales of removed items.

3.5 ELECTRICAL REMOVALS

A. Electrical demolition Work includes removing existing:

1. Disconnecting cabling from motors, electrical sources, control panels, control stations, instrumentation and control items, and similar devices and equipment.

2. Conduits, raceways, cable trays, hangers and supports, cabling, and related items.

3. Switches, panelboards, control stations, and similar items.

4. Transformers, distribution switchboards, control panels, motors, starters, variable speed controllers, and similar items.

5. Lighting fixtures and related items.

6. Utility poles, site lighting standards, and overhead cabling.

7. Appurtenances and miscellaneous electrical equipment, as shown, specified, or required.

B. Electrical Removals – General:

1. Comply with Laws and Regulations, including the National Electric Code.

2. Lock Out and Tagging:

a. Contractor shall lock out and tag circuit breakers and switches operated by Government and shall verify that affected cabling are de-energized to ground potential before commencing electrical removals Work.

b. Upon completion of electrical removals Work, remove the locks and tags and promptly advise Contracting Officer that existing facilities are available for use.

3. Remove existing electrical equipment, fixtures, and systems to avoid damaging systems to remain, to keep existing systems in operation, and to maintain integrity of grounding systems.

4. Disconnect and remove motors, control panels, and other electrical gear where shown or indicated.

5. Store removed motors, microprocessors and electronics, and other electrical gear to be reused in accordance with its manufacturer’s recommendations and requirements of the

Contract Documents.

C. Motor Control Centers and Switchgear:

1. Remove or modify motor control centers and switchgear as shown or indicated.

2. Modified openings shall be cut square and dressed smooth to dimensions required for installation of equipment.

D. Removal of Cabling, Conduits, Raceways and Similar Items:

1. Verify the function of each cable before disconnecting and removing.

2. Remove cabling, conduits, hangers and supports, and similar items back to the power source or control panel, unless otherwise shown or indicated.

3. Remove cabling, conduits, and similar items where shown or indicated for removal.

Abandoned conduits concealed in floor, ceiling slabs, or in walls shall be cut flush with the slab or wall (as applicable) at point of entrance, suitably capped, and the area repaired in a flush, smooth manner acceptable to Contracting Officer’s Representative.

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4. Disassemble and remove exposed conduits, junction boxes, other electrical appurtenances, and their supports.

5. Repair all areas of the Work to prevent rusting on exposed surfaces.

6. Underground Electric:

a. Conduits in Underground Facilities not scheduled for reuse shall be suitably capped watertight where each enters building or structure to remain.

b. Where shown or indicated, remove direct-burial cabling. Openings in buildings for entrance of direct-burial cabling shall be patched with repair mortar or other material approved by Contracting Officer’s Representative for such purpose, and made watertight.

E. Electrical Service Entrances and Outdoor, Overhead Electrical Utilities:

1. Existing poles and overhead cabling shall be removed or abandoned as shown and specified.

2. Completely remove from the Site poles not owned by electric utility, including site lighting standards and appurtenances, shown or indicated for removal.

3. Existing substation(s) and poles owned by electric utility will be removed by the electric utility.

4. Make necessary arrangements with electric utility owner for removal of utility owner’s transformers and metering equipment after new electrical system has been installed and energized.

F. Lighting fixtures, wall switches, receptacles, starters, and other miscellaneous electrical equipment, not designated as remaining as Government property, shall be removed and properly disposed off-Site as required in accordance with Laws and Regulations.

3.6 DEMOLITION OF SITE IMPROVEMENTS

A. Pavement, Sidewalks, Curbs, and Gutters:

1. Demolition of asphalt or concrete pavement, sidewalks, curbs, and gutters, as applicable, shall terminate at cut edges. Edges shall be linear and have a vertical cut face.

2. To cut pavement, sidewalks, curbs, and gutters, use machinery or tools that provides a smooth-cut edge, appropriate for the required. Where cut edges are not smooth, repair the cut edge to remain to provide a smooth, even appearance.

B. Fencing, Guardrails, and Bollards:

1. Remove to the limits shown or indicated on the Drawings.

2. Completely remove below-grade posts and concrete.

C. Manholes, Vaults, Chambers, and Handholes:

1. Remove to the limits shown or indicated on the Drawings.

2. If not shown or indicated on the Drawings, remove to not less than three feet below finished grade indicated on the Drawings.

D. Underground Facilities Other than Manholes, Vaults, Chambers, and Handholes:

1. Remove to the extent shown or indicated on the Drawings.

2. Unless otherwise shown or indicated, cap ends of piping to remain in place in accordance with the “Mechanical Removals” Article in this Specifications section.

E. Landscaping: Comply with Section 31 10 00 - Site Clearing.

F. Other Site Improvements: When the Contract Documents require removal of other site improvements not addressed above, copy with Contract requirements for removal of buildings or structures.

3.7 DISPOSAL OF DEMOLITION DEBRIS

A. Disposal – General:

1. Promptly remove from the Site all debris, waste, rubbish, material, and equipment resulting from demolition and removal operations. Promptly upon completion of demolition and removal operations, remove from the Site construction equipment used in demolition Work.

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2. Do not sell at the Site demolition materials or removed equipment. If materials, equipment or debris will be sold by Contractor, remove the items from the Site and perform the sale or transaction elsewhere, in accordance with Laws and Regulations.

3. Cleaning and Removal of Debris: Comply with the General Conditions, Supplementary

Conditions, and Section 01 74 19 - Construction Waste Management and Disposal.

B. Transportation and Disposal:

1. Non-Hazardous Materials, Equipment, and Debris: Properly transport and dispose of non-hazardous demolition materials, equipment, and debris at appropriate landfill or other suitable location, in accordance with Laws and Regulations. Non-hazardous material does not contain Constituents of Concern such as (but not limited to) asbestos, PCBs, petroleum, hazardous waste, radioactive material, or other material designated as hazardous in Laws or

Regulations.

2. Hazardous Materials, Equipment, and Debris: When handling and disposal of items containing Constituents of Concern is included in the Work, properly transport and dispose of such items in accordance with the Contract Documents and Laws and Regulations.

C. Submit to Contracting Officer’s Representative information required in this Specification

Section on proposed facility(ies) where demolition materials, equipment, and debris will be recycled. Upon request, Contracting Officershall be allowed to visit recycling facility(ies) to verify adequacy and compliance status. During such visits, recycling facility operator shall cooperate and assist Contracting Officerand Government.

END OF SECTION

D I V I S I O N 0 3

CONCRETE

GRCA - 318719 03 01 30 - 1

Construction Documents REPAIR AND REHABILITATION OF EXISTING

CONSTRUCTION

SECTION 03 01 30

REPAIR AND REHABILITATION OF EXISTING CONSTRUCTION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Preparation and assessment of existing concrete for repair and rehabilitation:

a. Concrete removal for repairs.

b. Preparation of exposed reinforcing steel.

c. Preparation for joint sealant installation.

2. Repair of damaged (and deteriorated) concrete.

a. Application of repair mortar.

b. Repair of exposed items embedded in concrete.

3. Expansion joint repair.

B. Scope:

1. Contractor shall provide all materials, equipment, labor, tools, services, and incidentals necessary to repair and rehabilitate existing concrete, whether damaged or deteriorated, at locations shown on the Drawings or at locations indicated by Contracting Officer

Representative, in accordance with the Contract Documents.

2. Re-sealing concrete joints as shown on the Drawings, and at other locations directed by

Contracting Officer Representative, and indicated in this Section.

a. Included in the unit price(s) for joint sealant Work are repairs of existing concrete adjacent to the associated joint sealant Work, in accordance with this Section.

3. Surface repairs of new concrete Work are addressed in Section 03 35 00 - Concrete

Finishing and Repair of Surface Defects.

C. Related Requirements: Include but are not necessarily limited to:

1. Section 03 15 19 - Anchorage to Concrete.

2. Section 03 21 00 - Reinforcement.

3. Section 03 35 00 - Concrete Finishing and Repair of Surface Defects.

4. Section 07 92 00 - Joint Sealants.

1.2 PRICE AND PAYMENT PROCEDURES

A. Unit Prices:

1. The Work of this Section is Unit Price Work unless otherwise shown or indicated. Work covered by this Section but not eligible for payment under Unit Price Work bid/pay items shall be performed at Contractor’s expense.

2. Bid/pay item classifications of Unit Price Work addressed in this Section are indicated in the Bid Form, the Agreement (or an exhibit thereto), and Section 01 27 00 – Definition of

Contract Line Items.

3. Unit Price Work of this Section is classified as follows:

a. Concrete Surface Repair - Type I (Thin): Repair of spalled, delaminated, or deteriorated concrete up to 1.5 inches deep below concrete’s original surface.

b. Concrete Surface Repair - Type II (Moderate): Repair of spalled, delaminated, or deteriorated concrete greater than 1.5 inches deep to 3 inches below original concrete surface.

c. Concrete Surface Repair - Type III (Severe): Repair of spalled, delaminated, or deteriorated concrete greater than 3 inches below original concrete surface.

d. Expansion Joint Repair - Type A: Replacement of existing expansion joint material including removing existing backer rod, joint filler, and sealant and providing new materials and repair, in accordance with this Section. Expansion joint repair not

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designated in the Contract Documents as other types is Type A unless directed otherwise by Contracting Officer Representative.

e. Expansion Joint Repair - Type B: Provide where shown or indicated on the Drawings or where directed by Contracting Officer Representative. Includes sealing existing expansion joints by providing new epoxy resin adhesive sealant system over existing expansion joints.

f. Expansion Joint Repair - Type C: Provide where shown or indicated on the Drawings or where directed by Contracting Officer Representative. Includes sealing existing expansion joints by providing new polyurethane joint sealing system over existing expansion joints.

B. Measurement:

1. Criteria for measurement for payment of this Section’s Unit Price Work are in the General

Conditions (as may be modified by the Supplementary Conditions), 01 27 00 – Definition of

Contract Line Items, and this Section.

2. Quantities of this Section’s Unit Price Work:

a. Unit Price Work of this Section shall be measured for payment prior to commencement of the associated Work in each work area.

b. Work not measured in advance for payment will not be eligible for payment by

Contracting Officer.

c. Contracting Officer Representative will observe the associated concrete repair and rehabilitation Work performed. Such Work shall be in accordance with the Contract

Documents for to such Work to be eligible for payment by Contracting Officer, even when such Work was measured (for payment) in advance.

3. Repair of new concrete Work provided by Contractor is not eligible for payment under the

Unit Price Work bid/pay items covered by this Section. Such repairs are included in the

Work of the associated bid/pay item under which the subject new concrete Work was provided.

1.3 REFERENCES

A. Terminology:

1. This provision indicates terminology used in this Section and in other Contract Documents that coordinate with this Section. Such terminology may or may not be indicated using initial capital letters and, when used in relation to the Work of this Section, have the meanings indicated below.

2. "Existing concrete damage" means damage to existing concrete surfaces deeper than 1/8 inches, such as:

a. Concrete corrosion.

b. Corroded items embedded within concrete or through the concrete surface.

c. Spalls.

d. Cracking at depth and arrangement that, in Contracting Officer Representative’s sole opinion, cannot be repaired in accordance with Section 03 35 00 – Concrete Finishing and Repair of Surface Defects.

3. “Installer” means the entity installing or applying repair materials at the Site. The terms

“installer” and “applicator” have the same meaning. Installer or applicator may be

Contractor or Subcontractor.

4. “MPII” means, “manufacturer’s printed installation instructions”.

5. “Rehabilitation” means repairing and restoring concrete to structurally-sound, durable condition suitable for the structure’s intended purpose as determined by Contracting Officer

Representative, including repair of existing concrete damage in accordance with this Section and other applicable provisions of the Contract Documents.

6. “Water-bearing structure” means concrete structure with a surface that is normally, or may be, in contact with water or process fluids or slurries during typical operation of the completed Project, including, but not limited to: tanks, channels, wet wells, distribution chambers, dams, and the like. Also, where specifically indicated on the Drawings, “water-

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bearing structures” includes basements and structures extending below the ordinary, wet-season groundwater surface.

7. Other terminology used in this Section is consistent with terminology of ACI CT.

B. Reference Standards:

1. American Concrete Institute (ACI):

a. CT, Concrete Terminology.

b. 117, Specification for Tolerances for Concrete Construction and Materials.

c. 308, Standard Practice for Curing Concrete.

2. ASTM International (ASTM):

a. C150, Standard Specification for Portland Cement.

b. C309, Standard Specification for Liquid Membrane-Forming Compounds for Curing

Concrete.

c. C881, Standard Specification for Epoxy-Resin-Base Bonding Systems for Concrete.

d. C1315, Standard Specification for Liquid Membrane-Forming Compounds Having

Special Properties for Curing and Sealing Concrete.

e. D1682, Breaking Load and Elongation of Textile Fabric.

f. D1876, Standard Test Method for Peel Resistance of Adhesives (T-Peel Test).

g. D4060, Abrasion Resistance of Organic Coatings by the Taber Abraser.

h. D4258, Standard Practice for Surface Cleaning Concrete for Coating.

i. D4259, Standard Practice for Abrading Concrete.

j. D4263, Indicating Moisture in Concrete by the Plastic Sheet Method.

k. D7234, Standard Test Method for Pull-off Adhesion Strength of Coatings on Concrete

Using Portable Pull-off Adhesion Tests.

3. International Concrete Repair Institute (ICRI).

a. 310.1R, Guide for Surface Preparation.

b. 310.1R, Guide for Surface Preparation for the Repair of Deteriorated Concrete

Resulting from Steel Corrosion.

4. Society for Protective Coatings/NACE International (SSPC/NACE):

a. SP 13/NACE No. 6, Surface Preparation of Concrete.

1.4 QUALITY ASSURANCE

A. Qualifications:

1. Installer:

a. Installer of materials for rehabilitation of existing concrete shall possess not less than five years of relevant experience performing concrete rehabilitation of similar type, scope, and complexity to that required for this Project.

b. Certification or Approval by Materials Manufacturer:

1) Installer (as either business entity or individual) of materials associated with rehabilitation of existing concrete shall be certified or expressly approved in writing, by manufacturer of materials to be provided.

2) As an option, installer may be certified or approved, in writing, at the Site during initial Work of this Section, in accordance with this Section’s Paragraph 3.4.D.

c. Submit documentation of qualifications and experience in sufficient detail to demonstrate to Contracting Officer Representative’s satisfaction compliance with requirements of this Section’s qualifications requirements.

2. Structural Concrete Repairer:

a. This provision is in addition to qualifications requirements applicable to installers of the

Work under this Section. This provision applies to business entities physically performing rehabilitation of structural concrete.

b. Structural concrete repairer shall have not less than five years’ current, relevant experience in repairing and rehabilitating concrete structures in facilities of generally similar environmental exposures as the Work of this Section for this Project

c. Submit documentation of qualifications and experience in sufficient detail to demonstrate to Contracting Officer Representative’s satisfaction compliance with requirements of this Section’s qualifications requirements.

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3. Joint Sealant System Installer:

a. This provision is in addition to qualifications requirements applicable to all installers of the Work of this Section. This provision applies to entities performing concrete joint sealant system repair or rehabilitation Work.

b. Entity performing joint sealant system Work shall possess not less than 10 years’ relevant experience in waterproofing concrete joints, crack and leak repair, and concrete coating application on projects of similar size, complexity, and environment as the concrete joint sealing Work on this Project.

c. Entity performing concrete joint sealant system Work shall have completed not less than five projects of size, type, and complexity similar to the Work under this Section within the most-recent period indicated in the paragraph immediately above, on structures that have been in service for not less than three years each. Projects shall have utilized the required type of joint sealant system materials indicated for the Work.

d. Entity performing concrete joint sealant system Work shall be certified or approved, in writing, by joint sealant system manufacturer (whose product is used in the Work) to furnish and install the required concrete joint sealant system materials.

e. Submit documentation of qualifications and experience in sufficient detail to demonstrate to Contracting Officer Representative’s satisfaction compliance with requirements of this Section’s qualifications requirements

B. Mock-Ups:

1. Mock-ups are Samples that, when approved by Contracting Officer Representative, indicate minimum standard of quality for the associated Work. Standard of quality of mock-ups shall be not less than that required by the Contract Documents.

2. If so approved by Contracting Officer Representative, mock-ups may become part of completed Work.

3. Maintain, segregate, identify, and protect mock-ups during performance of the Work to allow Contracting Officer Representative to readily compare the Work with approved mock-up.

4. When mock-up is not part of the completed Work, remove mock-ups when directed by

Contracting Officer Representative. If mock-up is part of the completed Work, remove protection and indication of mock-up when so directed by Contracting Officer

Representative.

5. Provide mock-up for each type of concrete rehabilitation required by this Section for which the Contract has an associated bid/pay item, including finish.

6. Size of each mock-up shall be acceptable to Contracting Officer.