05_05_33_-_Anchor_Systems.doc

SECTION 05 05 33

ANCHOR SYSTEMS

PART 1 – GENERAL

1.1

DESCRIPTION

A.

Scope:

1.

CONTRACTOR shall provide all labor, materials, equipment, and incidentals as shown, specified, and required to furnish and install anchor systems.

2.

This Section includes all anchor systems required for the Work, but not specified under other Sections.

B.

Coordination:

1.

Review installation procedures under this and other Sections and coordinate installation of items to be installed with or before anchor systems Work.

1.2

REFERENCES

A.

Standards referenced in this Section are:

1.

ACI 318, Building Code Requirements for Structural Concrete.

2.

ACI 350, Code Requirements for Environmental Engineering Concrete Structures.

3.

ACI 355.2, Qualification of Post-Installed Mechanical Anchors in Concrete.

4.

ASTM A194/A194M, Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both.

5.

ASTM A276, Specification for Stainless Steel Bars and Shapes.

6.

ASTM A493, Specification for Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging.

7.

ASTM A563, Specification for Carbon and Alloy Steel Nuts.

8.

ASTM A1011/A1011M, Specification for Steel, Sheet and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy, High-Strength Low-Alloy with Improved Formability, and Ultra-High Strength.

9.

ASTM B633, Specification for Electrodeposited Coatings of Zinc on Iron and Steel.

10.

ASTM C307, Test Method for Tensile Strength of Chemical-Resistant Mortar, Grouts, and Monolithic Surfacings.

11.

ASTM C579, Test Methods for Compressive Strength of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concretes.

12.

ASTM C881/C881M, Specification for Epoxy-Resin-Base Bonding Systems for Concrete.

13.

ASTM D695, Test Method for Compressive Properties of Rigid Plastics.

14.

ASTM D790, Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials.

15.

ASTM E329, Specification for Agencies Engaged in Construction Inspection and/or Testing.

16.

ASTM E488, Test Methods for Strength of Anchors in Concrete and Masonry Elements.

17.

ASTM F593, Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs.

18.

ASTM F594, Specification for Stainless Steel Bolts, Hex Cap Screws, and Studs.

19.

ASTM F1554, Specification for Anchor Bolts, Steel, 36, 55 and 105-ksi Yield Strength.

20.

FS A-A-1922A, Shield, Expansion (Caulking Anchors, Single Lead).

21.

FS A-A-1923A, Concrete Expansion Anchors.

22.

FS A-A-1925A, Shield, Expansion (Nail Anchors).

23.

FS A-A-55614, Shield, Expansion (non-drilling expansion anchors).

24.

ICC-ES AC58, Acceptance Criteria for Adhesive Anchors in Masonry Elements.

25.

ICC-ES AC193, Acceptance Criteria for Mechanical Anchors in Concrete Elements.

26.

ICC-ES AC308, Acceptance Criteria for Post-Installed Adhesive Anchors in Concrete Elements.

27.

ISO 3506-1, Mechanical Properties of Corrosion-Resistant Stainless Steel Fasteners -- Part 1: Bolts, Screws and Studs.

28.

ANSI/MSS SP-58, Pipe Hangers and Supports – Materials, Design, Manufacture, Selection, Application, and Installation.

29.

NSF/ANSI 61, Drinking Water System Components – Health Effects.

1.3

QUALITY ASSURANCE

A.

Qualifications:

1.

Testing Laboratory: Shall comply with ASTM E329 and shall be experienced in tension testing of post-installed anchoring systems.

2.

Post-installed Anchor Installer: Shall be experienced and trained by post-installed anchor system manufacturer in proper installation of manufacturer’s products. Product installation training by distributors or manufacturer’s representatives is unacceptable unless the person furnishing the training is qualified as a trainer by the anchor manufacturer.

1.4

SUBMITTALS

A.

Action Submittals: Submit the following:

1.

Shop Drawings:

a.

Listing of all anchor systems products intended for use in the Work including product type, intended location in the Project, and embedded lengths.

2.

Product Data:

a.

Manufacturer’s specifications, load tables, dimension diagrams, acceptable base material conditions, acceptable drilling methods, and acceptable bored hole conditions.

b.

When required by CONTRACTING OFFICER, copies of valid ICC ES reports that presents load-carrying capacities and installation requirements for anchor systems.

B.

Informational Submittals: Submit the following:

1.

Certificates:

a.

For each type of anchor bolt or threaded rod, submit copies of laboratory test reports and other data required to demonstrate compliance with the Contract Documents.

1) Reports shall demonstrate compliance with ductile steel element definition of ACI 350, Appendix D, Section D.1.

b.

Post-installed anchor system manufacturer’s certification that installer received training in the proper installation of manufacturer’s products required for the Work.

2.

Manufacturer’s Instructions:

a.

Installation instructions for each anchor system product proposed for use, including bore hole cleaning procedures and adhesive injection, cure and gel time tables, and temperature ranges (storage, installation and in-service).

3.

Field Quality Control Submittals:

a.

Submit results of field quality control testing and inspections performed by testing laboratory.

1.5

DELIVERY, STORAGE AND HANDLING

A.

Storage and Protection:

1.

Keep materials dry during delivery and storage.

2.

Store adhesive materials within manufacturer’s recommended storage temperature range.

3.

Protect anchor systems from damage at the Site. Protect products from corrosion and deterioration.

PART 2 – PRODUCTS

2.1

SYSTEM PERFORMANCE

A.

General:

1.

At locations where conditions dictate that Work specified in other Sections is to be of corrosion resistant materials, provide associated anchor systems of stainless steel materials, unless other corrosion-resistant anchor system material is specified. Provide anchor systems of stainless steel materials where stainless steel materials are required in the Contract Documents.

2.

Stainless Steel Nuts:

a.

For anchor bolts and adhesive anchors, provide ASTM A194/A194M, Grade 8S (Nitronic 60) stainless steel nuts for stainless steel anchors used for anchoring equipment, gates, and weirs, and other locations, if any, where the attachment will require future removal for operation or maintenance. Provide lock washer or double nuts on each anchorage device provided for equipment, as required by equipment manufacturer.

b.

For other locations, provide for each anchorage device a nut as specified or as required by anchor manufacturer. When ASTM A194/A194M, Grade 8S (Nitronic 60) nuts are not required for anchor bolts and adhesive anchors as specified in this Section, provide anti-seizing compound where stainless steel rods are used with stainless steel nuts of the same type.

3.

Materials that can contact potable water or water that will be treated to become potable shall be listed in NSF/ANSI 61.

B.

Design Criteria

1.

Size, Length, and Load-carrying Capacity: Comply with the Contract Documents. When size, length or load-carrying capacity of anchor system is not otherwise shown or indicated, provide the following:

a.

Anchor Bolts: Provide size, length, and capacity required to carry design load based on values and requirements of Paragraph 3.2.A of this Section. For conditions outside limits of critical edge distance and spacing in Paragraph 3.2.A of this Section, minimum anchor bolt embedment as shown or indicated in Paragraph 3.2.A of this Section apply and capacity shall be based on requirements of Laws and Regulations, including applicable building codes.

b.

Adhesive Anchors, Expansion Anchors, or Concrete Inserts: Provide size, length, type, and capacity required to carry design load. Anchor capacity shall be based on the procedures required by the building code in effect at the Site. Where Evaluation Service Reports issued by the ICC Evaluation Service are required in this Section, anchor capacities shall be based on design procedure required in the applicable ICC Evaluation Service Report.

1) General: Determine capacity considering reductions due to installation and inspection procedures, embedment length, strength of base fastening materials, spacing, and edge distance, as indicated in the manufacturer’s design guidelines. For capacity determination, concrete shall be assumed to be in the cracked condition, unless calculations demonstrate that the anchor system will be installed in an area that is not expected to crack under any and all conditions of design loading.

2) Concrete Adhesive Anchors: Unless otherwise shown or indicated in the Contract Documents or approved by CONTRACTING OFFICER, provide minimum embedment depth of the greater of the following: required to develop tensile strength of anchor, or a minimum embedment of 10 anchor diameters; and minimum anchor spacing and edge distance of 12 anchor diameters.

3) Concrete Masonry Adhesive Anchors: Unless otherwise shown or indicated in the Contract Documents or approved by CONTRACTING OFFICER, provide minimum anchor spacing and edge distance as indicated in anchor manufacturer’s instructions.

4) Concrete Expansion Anchors: Unless otherwise shown or indicated in the Contract Documents or approved by CONTRACTING OFFICER, provide minimum embedment depth of six anchor diameters, and minimum anchor spacing and edge distance of seven anchor diameters.

5) Concrete Masonry Expansion Anchors: Unless otherwise shown or indicated in the Contract Documents or approved by CONTRACTING OFFICER, provide minimum anchor spacing and edge distance as indicated in anchor manufacturer’s instructions.

6) Concrete Undercut Anchors: Unless otherwise shown or indicated in the Contract Documents, or approved by CONTRACTING OFFICER, provide minimum anchor spacing and edge distance as tabulated in anchor manufacturer’s instructions.

2.

Design Loads. Comply with the Contract Documents. When design load of supported material, equipment, or system is not otherwise shown or indicated, provide the following:

a.

Equipment Anchors: Use design load recommended by equipment manufacturer. When equipment can be filled with fluid, use loads that incorporate equipment load and load imposed by fluid.

b.

Pipe Hangers and Supports: Use full weight of pipe, and fluid contained in pipe that are tributary to the support plus the full weight of valves and accessories located between the hanger or support being anchored and the next hanger or support.

c.

Hangers and Supports for Electrical Systems, and HVAC, Plumbing, and Fire Suppression Systems and Piping: Use the full weight of supported system that is tributary to the support plus the full weight of accessories located between the hanger or support being anchored and the next hanger or support. When piping or equipment is to be filled with fluid, anchor systems shall be sized to support such loads in addition to the weight of the equipment, piping, or system, as applicable.

d.

Delegated Design: When anchor systems are used for supporting materials, equipment, or systems delegated to a design professional retained by CONTRACTOR, Subcontractor, or Supplier, provide anchor system suitable for loads indicated in delegated design documents and consistent with the design intent expressed in the Contract Documents.

C.

Application:

1.

Anchor Bolts:

a.

Where anchor bolt is shown or indicated, use cast-in-place anchor bolt unless another anchor type is approved by CONTRACTING OFFICER.

b.

Provide anchor bolts as shown or indicated, or as required to secure structural element to appropriate anchor surface.

2.

Concrete Adhesive Anchors:

a.

Use where adhesive anchors are shown or indicated for installation in concrete.

b.

Suitable for use where subject to vibration.

c.

Suitable for use in exterior locations or locations subject to freezing.

d.

Suitable for use in submerged, intermittently submerged, or buried locations.

e.

Do not use in overhead applications, unless otherwise shown or approved by CONTRACTING OFFICER.

f.

Do not use for pipe hangers, unless otherwise shown or approved by CONTRACTING OFFICER.

3.

Concrete Wedge Expansion Anchors:

a.

Use where expansion anchors are shown or indicated for installation in concrete.

b.

Do not use where subject to vibration.

c.

Do not use in exterior locations or locations subject to freezing.

d.

Do not use in submerged, intermittently submerged, or buried locations.

e.

Suitable for use in overhead applications.

4.

Drop-in Expansion Anchors:

a.

Use drop-in expansion anchors installed in concrete where light-duty anchors are required to support piping or conduit two-inch diameter or smaller.

b.

Do not use where subject to vibration.

c.

Do not use at submerged, intermittently submerged, or buried locations.

d.

Do not use in exterior locations or locations subject to freezing.

e.

Suitable for use in overhead applications.

5.

Concrete Inserts:

a.

Use only where shown or indicated in the Contract Documents.

b.

Allowed for use to support pipe hangers and pipe supports for pipe size and loading recommended by the concrete insert manufacturer.

6.

Drive-In Expansion Anchors:

a.

Use drive-in expansion anchors installed in concrete, precast concrete, grouted masonry units, or brick, where light-duty anchors are required to support piping or conduit one-inch diameter and smaller.

b.

Do not use in overhead applications.

2.2

MATERIALS

A.

Anchor Bolts:

1.

Interior Dry Non-corrosive Locations: Provide straight threaded carbon steel rods complying with ASTM F1554, Grade 36, with heavy hex nuts complying with ASTM A563 Grade 36, unless otherwise shown or a.

Stainless steel straight threaded rod shall comply with ductility requirements of ACI 350 or ACI 318 Appendix D, Section D.3.3.

2.

Equipment: Provide anchor bolts complying with material requirements of this Section and equipment manufacturer’s requirements relative to size, embedment length, and anchor bolt projection. Anchor bolts shall be straight threaded rods with washers and nuts as specified in this Section. Hooked bolts are unacceptable.

3.

Anchoring of Structural Elements: Provide anchor bolts of size, material, and strength shown or indicated in the Contract Documents.

B.

Concrete Adhesive Anchors:

1.

General:

a.

Adhesive anchors shall consist of threaded rods anchored into hardened concrete using an adhesive system.

2.

Products and Manufacturers: Provide one of the following:

a.

HIT-RE 500-SD Injection Epoxy Adhesive Anchoring System, by Hilti Fastening Systems, Inc.

b.

SET-XP Epoxy-Tie Adhesive, by Simpson Strong-Tie Company, Inc.

c.

Or equal.

3.

Adhesive:

a.

Adhesive system shall use two-component adhesive mix.

b.

Epoxy adhesives shall comply with physical requirements of ASTM C881/C881M, Type IV, Grade 2 and 3, Class A, B, and C, except gel times.

c.

Adhesives shall have a current evaluation report by ICC Evaluation Service for use in both cracked and uncracked concrete with seismic recognition for SDC A through F as tested and assessed in accordance with ICC-ES AC308.

d.

Adhesives shall have minimum bond strength and minimum design bond strength (bond strength multiplied by strength reduction factor) in accordance with Table 05 05 33-A:

TABLE 05 05 33-A: ADHESIVE BOND STRENGTH 1,2

Rod Diameter / Dowel Size

Table Notes:

Bond strengths listed for hammer-drilled, dry hole.

2.

Bond strengths listed for maximum short term concrete temperature of 110 degrees F and maximum long term concrete temperature of 75 degrees F.

4.

Anchor:

a.

Provide continuously-threaded, AISI Type 316 stainless steel adhesive anchor rod. Threaded rods shall comply with the concrete adhesive anchor manufacturer’s specifications as included in the ICC Service Evaluation Report for the anchor submitted. Nuts shall have specified proof load stresses equal to or greater than the minimum tensile strength of the stainless steel threaded rod used. Provide ASTM A194/A194M, Grade 8S (Nitronic 60) stainless steel nuts where required.

b.

Stainless steel threaded rod shall comply with ductility requirements of ACI 350 or ACI 318 Appendix D, Section D.3.3.

C.

Concrete Wedge Expansion Anchors:

1.

General:

a.

Concrete wedge expansion anchors shall consist of stud, wedge, nut, and washer.

2.

Products and Manufacturers: Provide one of the following:

a.

Kwik Bolt TZ Wedge Anchor, by Hilti Fastening Systems, Inc.

b.

Or equal.

3.

Anchors shall comply with physical requirements of FS A-A-1923A, Type 4. Provide concrete wedge expansion anchors suitable for use in cracked and uncracked concrete in accordance with ACI 318 and ACI 350, Appendix D. Demonstrate suitability of cracked concrete wedge anchors in accordance with ACI 355.2 prequalification tests.

4.

Interior Dry Non-corrosive Locations: Provide carbon steel anchors complete with nuts and washers, zinc plated, in accordance with ASTM B633.

5.

Other Locations: Provide expansion anchors complete with nuts and washers, AISI Type 304 stainless steel anchor body, in accordance with ASTM A276 or ASTM A493.

6.

Anchor shall comply with ductility requirements of ACI 350 or ACI 318 Appendix D, Section D.3.3.

7.

Concrete wedge expansion anchors shall have a current ICC Evaluation Service Report for use in both cracked and uncracked concrete with seismic recognition in seismic design Categories A through F when tested and assessed in accordance with ICC-ES AC193.

D.

Drop-in Expansion Anchors:

1.

General:

a.

Drop-in expansion anchors shall each consist of an internally threaded, deformation-controlled expansion anchor with pre-assembled expander plug.

2.

Products and Manufacturers: Provide one of the following:

a.

HDI Drop-In Anchors, by Hilti Fastening Systems, Inc.

b.

Drop-In Anchor, by Simpson Strong-Tie Company, Inc.

c.

Or equal.

3.

Provide carbon steel anchors complete with nuts and washers, zinc plated, in accordance with ASTM B633, complying with physical requirements of FS A-A-55614, Type I. Anchors shall be flush or shell type. Provide low-profile anchors for use in precast concrete planks.

E.

Concrete Inserts:

1.

Manufacturers: Provide products of one of the following:

a.

Unistrut Corporation.

b.

Cooper B-Line, Inc.

c.

Anvil International, Inc.

d.

Or equal.

2.

Spot Concrete Inserts:

a.

Provide inserts recommended by insert manufacturer for required loading. Inserts shall comply with ANSI/MSS SP-58, malleable iron, Type 18. Spot inserts shall allow for lateral adjustment and have means for attachment to forms. Provide nuts compatible with insert and to suit threaded hanger rod sizes.

3.

Continuous Concrete Inserts:

a.

Provide inserts recommended by insert manufacturer for required loading. Inserts shall be continuous type and shall be manufactured from minimum 12-gage cold-formed channel sections, complying with ASTM A1011/A1011M, stainless steel, Grade 33, complete with styrofoam inserts, end caps, and means for attaching to forms. Provide channel nuts compatible with insert suitable for threaded hanger rod sizes.

4.

Provide inserts with plain finish.

F.

Drive-In Expansion Anchors:

1.

General:

a.

Drive-In expansion anchors shall each consist of stainless steel drive pin and expanding alloy body.

2.

Products and Manufacturers: Provide one of the following:

a.

Metal HIT Anchor, by Hilti Fastening Systems, Inc.

b.

Zinc Nailon Anchor, by Simpson Strong-Tie Company, Inc.

c.

Or equal.

3.

Provide Type 304 stainless steel drive pin with zinc alloy body. Anchor shall comply with physical requirements of FS A-A-1925A, Type 1.

G.

Unless approved by CONTRACTING OFFICER, do not use power-actuated fasteners or other types of bolts and fasteners not specified in this Section.

H.

Anti-Seizing Compound:

1.

Products and Manufacturers: Provide one of the following:

a.

Pure Nickel Never-Seez, by Bostik.

b.

Nickel-Graf, by Anti-Seize Technology.

c.

Or equal.

2.

Provide pure nickel anti-seizing compound.

PART 3 – EXECUTION

3.1

INSPECTION

A.

Examine conditions under which materials will be installed and advise CONTRACTING OFFICER in writing of conditions detrimental to proper and timely completion of the Work. Do not proceed with the Work until unsatisfactory conditions are corrected.

3.2

INSTALLATION

A.

Anchor Bolts:

1.

Provide anchor bolts as shown or indicated in the Contract Documents, or as required to secure structural element to the appropriate anchor surface.

2.

Locate and accurately set anchor bolts using templates or other devices as required, prior to placing concrete. Wet setting of anchor bolts is unacceptable.

3.

Protect threads and shank from damage during installation and subsequent construction operations.

4.

Unless otherwise shown or approved by CONTRACTING OFFICER anchor bolts shall comply with Table 05 05 33-B:

TABLE 05 05 33-B:

SINGLE ANCHOR ALLOWABLE LOADS ON ANCHOR BOLTS 1

Table Notes:

Table is based on ACI 318 and ACI 350, Appendix D, f’c = 4000 psi. Table 05 05 33-B is not applicable to anchor bolts embedded in grouted masonry.

2.

Critical edge distance and spacing are indicated in the table. Capacity of anchor bolts for other combination of edge distances and spacing shall be evaluated in accordance with ACI 318 and ACI 350, Appendix D.

3.

Values for shear and tension listed are not considered to act concurrently. Interaction of tension and shear will be evaluated by CONTRACTING OFFICER in accordance with ACI 318 and ACI 350, Appendix D.

B.

Adhesive Anchors, Undercut Anchors, and Expansion Anchors – General:

Prior to drilling, locate existing reinforcing steel in vicinity of proposed holes. If reinforcing conflicts with proposed hole location, obtain CONTRACTING OFFICER’s approval of alternate hole locations to avoid drilling through or damaging existing reinforcing bars.

C.

Adhesive Anchors:

1.

Comply with manufacturer’s written installation instructions and the following.

2.

Drill holes to adhesive system manufacturer’s recommended drill bit diameter to the specified depth. Drill holes in hammering and rotation mode with carbide-tipped drill bits that comply with the tolerances of ANSI B212.15. Core-drilled holes are unacceptable.

3.

Before setting adhesive anchor, hole shall be made free of dust and debris by method recommended by adhesive anchor system manufacturer. Hole shall be brushed with adhesive system manufacturer-approved brush and blown clean with clean, dry, oil-free compressed air to remove all dust and loose particles. Hole shall be dry as defined by adhesive system manufacturer.

4.

Before injecting adhesive, obtain CONTRACTING OFFICER’s concurrence that hole is dry and free of oil and other contaminants.

5.

Prior to injecting adhesive into the drilled hole, dispense, to a location appropriate for such waste, an initial amount of adhesive from the mixing nozzle, until adhesive is uniform color.

6.

Inject adhesive into hole through injection system-mixing nozzle and necessary extension tubes, placed to bottom of hole. Discharge end shall be withdrawn as adhesive is placed but kept immersed to prevent formation of air pockets. Fill hole to depth that ensures that excess material is expelled from hole during anchor placement.

7.

Twist anchors during insertion into partially-filled hole to guarantee full wetting of rod surface with adhesive. Insert rod slowly to avoid developing air pockets.

8.

Provide adequate curing in accordance to adhesive system manufacturer’s requirements prior to continuing with adjoining Work that could place load on installed adhesive anchors. Do not begin adjoining Work until adhesive anchors are successfully tested or when allowed by CONTRACTING OFFICER.

9.

Limitations:

a.

Installation Temperature: Comply with manufacturer’s instructions for installation temperature requirements. Provide temporary protection and other measures, such as heated enclosures, necessary to ensure that base material temperature complies with anchor systems manufacturer’s requirements during installation and curing of adhesive anchor system.

b.

Oversized Holes: Advise CONTRACTING OFFICER immediately if size of drilled hole is larger than recommended by anchor system manufacturer. Cost of corrective measures, including but not limited to redesign of anchors due to decreased anchor capacities, shall be paid by CONTRACTOR.

c.

Embedment depths shall be based on installation in normal-weight concrete with compressive strength of 2,500 psi when embedded in existing concrete, and 4,000 psi when embedded in new concrete.

D.

Expansion Anchors:

1.

Comply with expansion anchor manufacturer’s written installation instructions and the following:

2.

Drill holes using anchor system manufacturer’s recommended drill bit diameter and to the specified depth. Drill holes in hammering and rotation mode with carbide-tipped drill bits complying with tolerances of ANSI B212.15. Core drilled holes are unacceptable.

3.

Before installing anchor, hole shall be made free of dust and debris by method recommended by anchor system manufacturer. Hole shall be brushed with anchor system manufacturer-approved brush and blown clean with clean, dry, oil-free compressed air to remove all dust and loose particles.

4.

Before installing anchor, obtain CONTRACTING OFFICER’s concurrence that hole is dry and free of oil and other contaminants.

5.

Protect threads from damage during anchor installation. Drive anchors not less than four threads below surface of the attachment. Set anchors to anchor manufacturer’s recommended torque using a torque wrench.

E.

Concrete Inserts:

1.

Comply with concrete insert manufacturer’s installation instructions.

2.

Inserts shall be flush with slab bottom surface.

3.

Protect embedded items from damage during concrete placing. Ensure that embedded items are securely fastened to prevent movement during concrete placing, and ensure that embedded items do fill with concrete during concrete placing.

4.

Inserts intended for piping greater than four-inch diameter shall be provided with hooked rods attached to concrete reinforcing.

F.

Anti-Seizing Compound:

1.

Provide anti-seizing compound in accordance with anti-seizing compound manufacturer’s installation instructions, at locations indicated in Paragraph 2.1.B of this Section.

2.

Do not use anti-seizing compound at locations where anchor bolt or adhesive anchor will contact potable water or water that will be treated to become potable.

3.3

CLEANING

A.

After embedding concrete is placed, remove protection and clean bolts and inserts.

3.4

FIELD QUALITY CONTROL

A.

Site Tests:

1.

Furnish services of independent testing laboratory to perform field quality testing at the Site for post-installed anchors.

a.

Testing shall comply with ASTM E488.

b.

Test at least ten percent of all types of post-installed anchors. If one or more post-installed anchors fail the test, CONTRACTOR shall pay cost of testing, or at CONTRACTING OFFICER’s option CONTRACTOR may arrange for testing paid by CONTRACTOR, for all post-installed anchors of same diameter and type installed on the same day as the failed anchor. If anchors installed on the same day as the failed anchor also fail the test, CONTRACTING OFFICER may require retesting of all anchors of the same diameter and type installed in the Work. CONTRACTOR shall be responsible for retesting costs.

c.

Test post-installed anchors to 50 percent of ultimate tensile capacity of post-installed anchor. CONTRACTING OFFICER will direct which anchors are to be tested.

d.

Apply test loads with hydraulic ram.

e.

Displacement of post-installed anchors shall not exceed D/10, where D is nominal diameter of anchor being tested.

2.

Correct defective Work by removing and replacing or correcting, as directed by CONTRACTING OFFICER.

3.

CONTRACTOR shall pay for all corrections and subsequent testing required to confirm integrity of post-installed anchors.

4.

Testing agency shall submit test results to CONTRACTOR and CONTRACTING OFFICER within 24 hours of completion of test.

B.

Manufacturer’s Services:

1.

Provide at the Site services of qualified adhesive manufacturer’s representative during initial installation of adhesive anchor systems to train CONTRACTOR’s personnel in proper installation procedures. Manufacturer’s representative shall observe to confirm that installer demonstrates proper installation procedures for adhesive anchors and adhesive material.

+ + END OF SECTION + +

2118173 05 05 33-2