36C24219B0056-0002001.pdf

July 2, 2019 Proj 36C24219C0021

Bid 08-01-17

02 41 00 - 1

SECTION 02 41 00

DEMOLITION

PART 1 - GENERAL

1.1 DESCRIPTION:

This section specifies demolition and removal of signs, directories and other suspended, applied or attached structures. Demolition of signs includes removal of exterior building mounted signs and monumental signs with their bases and foundations and restoration of the site.

1.2 RELATED WORK:

A. Demolition and removal of roads, walks, curbs, and on-grade slabs outside buildings to be demolished: Section 31 20 00, EARTH MOVING.

B. Safety Requirements: Section 01 35 26 Safety Requirements Article, ACCIDENT PREVENTION PLAN.

C. Disconnecting utility services prior to demolition: Section 01 00 00, GENERAL REQUIREMENTS.

D. Reserved items that are to remain the property of the Government:

Section 01 00 00, GENERAL REQUIREMENTS.

E. (not used)

F. (not used)

G. Environmental Protection: Section 01 57 19, TEMPORARY ENVIRONMENTAL

CONTROLS.

H. Construction Waste Management: Section 017419 CONSTRUCTION WASTE

MANAGEMENT.

I. Infection Control: Section 01 00 00, GENERAL REQUIREMENTS, Article 1.7, INFECTION PREVENTION MEASURES and Section 01 35 26 SAFETY REQUIREMENTS.

1.3 PROTECTION:

A. Perform demolition in such manner as to eliminate hazards to persons and property; to minimize interference with use of adjacent areas, utilities and structures or interruption of use of such utilities; and to provide free passage to and from such adjacent areas of structures.

Comply with requirements of GENERAL CONDITIONS Article, ACCIDENT

PREVENTION.

B. Provide safeguards, including warning signs, barricades, temporary fences, warning lights, and other similar items that are required for protection of all personnel during demolition and removal operations.

Comply with requirements of Section 01 00 00, GENERAL REQUIREMENTS, Bid 08-01-17

02 41 00 - 2

Article PROTECTION OF EXISTING VEGETATION, STRUCTURES, EQUIPMENT, UTILITIES AND IMPROVEMENTS.

C. Maintain fences, barricades, lights, and other similar items around exposed excavations until such excavations have been completely filled and landscape restored to match adjacent terrain.

D. NOT USED.

E. Prevent spread of flying particles and dust. Sprinkle rubbish and debris with water to keep dust to a minimum. Do not use water if it results in hazardous or objectionable condition such as, but not limited to; ice, flooding, or pollution. Vacuum and dust the work area daily.

F. Before beginning any demolition work, the Contractor shall survey the site and examine the drawings and specifications to determine the extent of the work. The contractor shall take necessary precautions to avoid damage to existing items to remain in place, to be reused, or to remain the property of the Medical Center; any damaged items shall be repaired or replaced as approved by the CO. The Contractor shall coordinate the work of this section with all other work and shall construct and maintain shoring, bracing, and supports as required. The

Contractor shall ensure that structural elements are not overloaded and shall be responsible for increasing structural supports or adding new supports as may be required as a result of any cutting, removal, or demolition work performed under this contract. Do not overload structural elements. Provide new supports and reinforcement for existing construction weakened by demolition or removal work. Repairs, reinforcement, or structural replacement must have CO’s approval.

H. The work shall comply with the requirements of Section 01 57 19, TEMPORARY ENVIRONMENTAL CONTROLS.

I. The work shall comply with the requirements of Section 01 00 00, GENERAL REQUIREMENTS and Section 01 35 26, SAFETY REQUIREMENTS.

PART 2 - PRODUCTS (NOT USED)

Bid 08-01-17

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PART 3 – EXECUTION

3.1 DEMOLITION:

A. Completely remove signs, directories and support structures, including all appurtenances related or connected thereto, as noted below:

1. As required for installation of new items.

2. Where indicated by the construction documents.

2. To full depth and attachment.

B. Debris, including brick, concrete, stone, metals and similar materials shall become property of Contractor and shall be disposed of by contractor daily, away from the Medical Center Property to avoid accumulation at the demolition site. Materials that cannot be removed daily shall be stored in areas specified by the COR.

C. (not used)

D. Remove and legally dispose of all materials from any trash dumps shown.

Materials removed shall become property of contractor and shall be disposed in compliance with applicable federal, state or local permits, rules and/or regulations.

E. Remove existing utilities as indicated or uncovered by work and terminate in a manner conforming to the nationally recognized code covering the specific utility and approved by the CO.

3.2 REPAIR AND REFINISHING:

A. As soon as possible after removal of existing signs, clean or patch disturbed surface (includes landscape, exterior and interior walls, columns, doors or ceilings) and provide new finishes back to intersecting corners, floors, ceilings or to a natural 'break' line in the surface.

B. Satisfactory accomplishment of this work will be determined by the CO.

C. Use finish materials that will closely match and are of the same composition as the existing adjacent materials.

D. If replacement sign is provided in the same location, and covers the disturbed area, only repairs and finishing are required. However the area outside of the signage border must be cleaned back to the natural break.

3.3 CLEAN-UP:

On completion of work of this section and after removal of all debris, leave site in clean condition satisfactory to COR. Clean-up shall

Bid 08-01-17

02 41 00 - 4 include moving debris off of the Medical Center site. Disposal of all items and materials not required to remain property of the Government as well as all debris and rubbish resulting from demolition operations shall be removed from the site.

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Bid 02-01-16

03 30 53 - 1

SECTION 03 30 53

CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Cast-in-place structural concrete.

2. Footings for signs.

3. Sign pads.

B. Designated Design. Contractor shall design signage footings and supports. Design with analysis shall be submitted to COR for approval.

1.2 RELATED REQUIREMENTS

A. Materials Testing and Inspection During Construction: Section 01 45 29, TESTING LABORATORY SERVICES.

B. Concrete Roads, Walks, and Similar Exterior Site Work: Section

32 05 23, CEMENT AND CONCRETE FOR EXTERIOR IMPROVEMENTS.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this Section.

B. American Concrete Institute (ACI):

1. 117-15 - Tolerances for Concrete Construction, Materials and

Commentary.

2. 301/310M-10 - Structural Concrete.

3. 305.1-14 - Hot Weather Concreting.

4. 306.1-90(R2002) - Cold Weather Concreting.

5. 347-04 - Guide to Formwork for Concrete.

C. ASTM International(ASTM):

1. A615/A615M-15ae1 - Deformed and Plain Carbon-Steel Bars for Concrete

Reinforcement.

2. A1064/A1064M-15 - Carbon-Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete.

3. C33/C33M-13 - Concrete Aggregates.

4. C39/C39M-15a - Compressive Strength of Cylindrical Concrete

Specimens.

5. C94/C94M-15a - Ready-Mixed Concrete.

6. C143/C143M-15 - Slump of Hydraulic Cement Concrete.

7. C150/C150M-15 - Portland Cement.

8. C260/C260M-10a - Air-Entraining Admixtures for Concrete.

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1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Large scale drawings of reinforcing steel.

C. Manufacturer's Literature and Data:

1. Concrete Mix Design.

2. Air-entraining admixture, chemical admixtures, and curing compounds.

D. Certificates: Certify products comply with specifications.

a. Each ready mix concrete batch delivered to site.

1.5 DELIVERY

A. Deliver each ready-mixed concrete batch with mix certification in duplicate according to ASTM C94/C94M.

1.6 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of

Construction."

PART 2 - PRODUCTS

2.1 MATERIALS

A. Portland Cement: ASTM C150/C150M, Type I or II.

B. Pozzolans:

1. Fly Ash: ASTM C618, Class C or F including supplementary optional physical requirements.

C. Coarse Aggregate: ASTM C33/C33M.

1. Size 467 for footings and walls over 300 mm (12 inches) thick.

2. Size 7 for coarse aggregate for applied topping and metal pan stair fill.

3. Size 67 for other applications.

D. Fine Aggregate: ASTM C33/C33M.

E. Mixing Water: Fresh, clean, and potable.

F. Air-Entraining Admixture: ASTM C260/C260M.

G. Chemical Admixtures: ASTM C494/C494M.

H. Vapor Barrier: ASTM E1745, Class A with a minimum puncture resistance of 2200 g (3000 lbs.); minimum 0.38 mm (15 mil) thick.

I. Reinforcing Steel: ASTM A615/A615M or ASTM A996/A996M, deformed. See

Structural Drawings for grade.

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J. Forms: Wood, plywood, metal, or other materials, approved by

Contracting Officer, of grade or type suitable to obtain type of finish specified.

1. Plywood: Exterior grade, free of defects and patches on contact surface.

2. Lumber: Sound, grade-marked, S4S stress graded softwood.

3. Form coating: As recommended by Contractor.

K. Welded Wire Fabric: ASTM A1064/A1064M.

L. Expansion Joint Filler: ASTM D1751.

M. Sheet Materials for Curing Concrete: ASTM C171.

N. Abrasive Aggregates: Aluminum oxide grains or emery grits.

O. Liquid Densifier/Sealer: 100 percent active colorless aqueous siliconate solution.

P. Grout, Non-Shrinking: Premixed ferrous or non-ferrous. Grout to show no settlement or vertical drying shrinkage at 3 days. Compressive strength for grout, at least 18 MPa (2500 psi) at 3 days and 35 MPa (5000 psi) at 28 days.

2.2 ACCESSORIES

A. Bonding Agent: ASTM C 1059/C 1059M, Type II.

B. Structural Adhesive: ASTM C881, 2-component material suitable for use on dry or damp surfaces. Provide material Type, Grade, and Class to suit Project requirements.

2.3 CONCRETE MIXES

A. Design concrete mixes according to ASTM C94/C94M, Option C.

B. Compressive strength at 28 days: minimum 30 MPa (4,000 psi).

C. Submit mix design and results of compression tests to the COR for evaluation. Identify all materials, including admixtures, making-up the concrete.

D. Maximum Slump for Vibrated Concrete: 100 mm (4 inches) tested according to ASTM C143.

E. Cement and Water Factor (See Table I):

TABLE I - CEMENT AND WATER FACTORS FOR CONCRETE

Concrete: Strength Non-Air-Entrained Air-Entrained

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Min. 28 Day Comp.

Str.

MPa (psi)

Min. Cement kg/cu. m

(lbs./cu.

yd.)

Max. Water

Cement Ratio

Min. Cement kg/cu. m

(lbs./cu.

yd.)

Max. Water

Cement Ratio

30 (4000)1,3 325 (550) 0.55 340 (570) 0.50

F. Air-entrainment - all exterior exposed concrete and conform with the following for air content table:

TABLE II - TOTAL AIR CONTENT

FOR VARIOUS SIZES OF COARSE AGGREGATES

Nominal Maximum Size of

Coarse Aggregate

Total Air Content, percent

10 mm (3/8 inches) 6 Moderate exposure; 7.5 severe exposure

13 mm (1/2 inches) 5.5 Moderate exposure; 7 severe exposure

19 mm (3/4 inches) 5 Moderate exposure; 6 severe exposure

25 mm (1 inches) 4.5 Moderate exposure; 6 severe exposure

40 mm (1 1/2 inches) 4.5 Moderate exposure; 5.5 severe exposure

2.4 BATCHING AND MIXING

A. Store, batch, and mix materials according to ASTM C94/C94M.

1. Ready-Mixed Concrete: Comply with ASTM C94/C94M, except use of non-agitating equipment for transporting concrete to Site is not acceptable.

2. When aggregate producer's instructions deviate from specifications, submit proposed resolution for COR consideration.

PART 3 - EXECUTION

3.1 FORMWORK

A. Use forms against all exposed vertical concrete faces. For sign bases, form shall continue below ground surface at least 12". Objective is to only allow finished surfaces be exposed to view. Feather top edge approximately 2" around perimeter, and finish sides with trowel to approximately 6" below top of form.

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B. Installation: Conform to ACI 347. Construct forms to obtain concrete of the shapes, dimensions and profiles indicated, with tight joints.

C. Design and construct forms to prevent bowing-out of forms between supports and to be removable without prying against or otherwise damaging fresh concrete.

D. When patching formed concrete, seal form edges against existing surface to prevent leakage; set forms so that patch is flush with adjacent surfaces.

3.2 REINFORCEMENT

A. Install concrete reinforcement according to ACI 318 and ACI SP-66.

B. Support and securely tie reinforcing steel to prevent displacement during placing of concrete.

C. Drilling for Dowels in Existing Concrete: Use sharp bits, drill hole slightly oversize, fill with epoxy grout, inset the dowel, and remove excess epoxy.

3.3 PLACING CONCRETE

A. Remove water from excavations before concrete is placed. Remove hardened concrete, debris and other foreign materials from interior of forms, and from inside of mixing and conveying equipment. Obtain approval from Contracting Officer's Representative before placing concrete.

B. Place structural concrete according to ACI 301 and ACI 318.

C. Convey concrete from mixer to final place of deposit by method that will prevent segregation or loss of ingredients. Do not deposit, in

Work, concrete that has attained its initial set or has contained its water or cement more than 1 1/2 hours. Do not allow concrete to drop freely more than 1500 mm (5 feet) in unexposed work nor more than

900 mm (3 feet) in exposed work.

D. Hot Weather Concrete Placement: As recommended by ACI 305.1 to prevent adversely affecting properties and serviceability of hardened concrete.

E. Cold Weather Concrete Placement: As recommended by ACI 306.1, to prevent freezing of thin sections less than 300 mm (12 inches) and to permit concrete to gain strength properly.

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3.4 PROTECTION AND CURING

A. Protect exposed surfaces of concrete from premature drying, wash by rain or running water, wind, mechanical damage, and excessive hot or cold temperatures.

B. Curing Methods: Cure concrete with curing compound using wet method with sheets.

C. Concrete Flatwork Curing:

1. Install sheet materials according to the manufacturer's instructions.

3.5 FORM REMOVAL

A. Maintain forms in place until concrete is self-supporting, with construction operation loads.

B. Remove fins, laitance and loose material from concrete surfaces when forms are removed. Repair honeycombs, rock pockets, sand runs, spalls, or otherwise damaged surfaces by patching with the same mix as concrete minus the coarse aggregates.

C. Finish to match adjacent surfaces.

3.6 FINISHES

A. Vertical and Overhead Surface Finishes:

1. Surfaces Concealed in Completed Construction: As-cast; no additional finishing required.

2. Surfaces Exposed to View in Finished Areas: Grout finish, unless otherwise shown, for uniform color and smooth finish treated.

a. Remove laitance, fins and burrs.

b. Scrub concrete with wire brushes. Clean stained concrete surfaces with hone or stone.

c. Apply grout composed of 1 part Portland cement and 1 part clean, fine sand (smaller than 600 micro-m (No. 30) sieve). Work grout into surface of concrete with cork floats or fiber brushes until pits and honeycomb are filled.

d. After grout has hardened, but is still plastic, remove surplus grout with sponge rubber float and by rubbing with clean burlap.

e. In hot, dry weather fog spray surfaces with water to keep grout wet during setting period. Complete finished areas in same day.

Confine limits of finished areas to natural breaks in wall surface. Do not leave grout on concrete surface overnight.

B. Slab (Base) Finishes:

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1. Allow bleed water to evaporate before surface is finished. Do not sprinkle dry cement on surface to absorb water.

2. Steel Trowel Finish: Applied toppings, concrete surfaces to receive resilient floor covering or carpet, future floor roof and other monolithic concrete floor slabs exposed to view without other finish indicated or specified.

a. Delay final steel troweling to secure smooth, dense surface, usually when surface can no longer be dented by fingers. During final troweling, tilt steel trowel at slight angle and exert heavy pressure on trowel to compact cement paste and form dense, smooth surface.

b. Finished surface: Free from trowel marks. Uniform in texture and appearance.

3. Broom Finish: Finish exterior slabs with bristle brush moistened with clear water after surfaces have been floated.

4. Finished Slab Levelness (FL):

a. Slab on Grade: Specified overall value FL 20. Minimum local value FL 15.

b. Test flatness and levelness according to ASTM E1155.

3.7 SURFACE TREATMENTS

A. Mix and apply the following surface treatments according to manufacturer's instructions.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

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Bid 08-01-17

04 20 00 - 1

SECTION 04 20 00

UNIT MASONRY

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes: Clay masonry or Manufactured Brick Masonry assemblies for exterior monumental sign bases.

B. Means and methods shall include anchorage and reinforcing to lessen the effects of lateral wind load deflections on the sign. The veneer should be mechanically supported by the steel frame.

C. Masonry design is delegated to the contractor, but dimensions and jointing shall closely match the sign's design as shown in drawings.

D. Vertical and horizontal control joints shall be used to lessen the risk of fracture due to lateral loading and deflection.

1.2 RELATED REQUIREMENTS

A. Sealants and Sealant Installation: Section 07 92 00, JOINT SEALANTS.

B. Color and Texture of Masonry Units: Section 09 06 00, SCHEDULE FOR

FINISHES.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American Concrete Institute (ACI):

1. 315-99 - Details and Detailing of Concrete Reinforcement.

2. 530.1/ASCE 6/TMS 602-13 - Specification for Masonry Structures.

C. ASTM International (ASTM):

1. A615/A615M-15ae1 - Deformed and Plain Carbon-Steel Bars for Concrete

Reinforcement.

2. A951/A951M-14 - Steel Wire for Masonry Joint Reinforcement.

3. C55-14a - Concrete Building Brick.

4. C62-13a - Building Brick (Solid Masonry Units Made from Clay or

Shale).

5. C67-14 - Sampling and Testing Brick and Structural Clay Tile.

6. C90-14 - Load-Bearing Concrete Masonry Units.

7. C216-15 - Facing Brick (Solid Masonry Units Made From Clay or

Shale).

D. American Welding Society (AWS):

1. D1.4/D1.4M-11 - Structural Welding Code - Reinforcing Steel.

E. Brick Industry Association (BIA):

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1. TN 11B-88 - Guide Specifications for Brick Masonry, Part 3.

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Fabrication, bending, and placement of reinforcing bars.

C. Manufacturer's Literature and Data:

1. Description of each product.

D. Samples:

1. Face brick: Sample panel, 200 mm by 400 mm (8 inches by 16 inches,) showing texture of bricks, bond, and proposed mortar joints.

2. Concrete masonry units, when exposed in finish work.

3. Anchors and Ties: Each type.

4. Recycled Content: Identify post-consumer and pre-consumer recycled content percentage by weight.

E. Certificates: Certify products comply with specifications.

1. Face brick.

F. Delegated Design Drawings and Calculations: Signed and sealed by responsible design professional.

1.5 STORAGE AND HANDLING

A. Store products above grade, protected from contamination.

B. Protect products from damage during handling and construction operations.

1.6 FIELD CONDITIONS

A. Hot and Cold Weather Requirements: Comply with

ACI 530.1/ASCE 6/TMS 602.

1.7 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of

Construction."

PART 2 - PRODUCTS

2.1 SYSTEM PERFORMANCE

A. Delegated Design: Prepare submittal documents including design calculations and drawings signed and sealed by registered design professional, licensed in state where work is located.

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2.2 PRODUCTS - GENERAL

A. Basis of Design: Section 09 06 00, SCHEDULE FOR FINISHES.

B. Provide each product from one manufacturer.

2.3 UNIT MASONRY PRODUCTS

A. Brick:

1. Face Brick:

a. ASTM C216, Grade SW, Type FBS.

b. Brick when tested according to ASTM C67: Classified slightly efflorescent or better.

c. Size:

1) Modular (Nominal 4 x 8 x 2-2/3 in).

2. Building Brick: ASTM C62, Grade SW where in contact with earth.

3. One Face Exposed: Grade S, Type I.

4. Two Faces Exposed: Grade S, Type II.

2.4 ANCHORS, TIES, AND REINFORCEMENT

A. Steel Reinforcing Bars: ASTM A615/A615M; Grade 60, deformed bars.

B. Individual Ties:

1. Rectangular ties: Form from 5 mm (3/16 inch) diameter galvanized steel rod to rectangular shape minimum 50 mm (2 inches) wide by sufficient length for ends of ties to extend within 25 mm (1 inch) of each face of wall. Ties that are crimped to form drip are not acceptable.

2.5 ACCESSORIES

A. Weeps:

1. Weep Hole Wicks: Glass fiber ropes, 10 mm (3/8 inch) minimum diameter, 300 mm (12 inches) long.

2. Weep Hole: Flexible PVC louvered configuration with rectangular closure strip at top.

B. Box Board:

1. Mineral Fiber Board: ASTM C612, Type 1.

2. 25 mm (1 inch) thickness.

3. Other spacing material having similar characteristics is acceptable subject to Contracting Officer's Representative's approval.

C. Masonry Cleaner:

1. Detergent type cleaner selected for each type masonry.

2. Acid cleaners are not acceptable.

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3. Use soapless type specially prepared for cleaning brick or concrete masonry as appropriate.

D. Fasteners:

1. Concrete Nails: ASTM F1667, Type I, Style 11, 19 mm (3/4 inch) minimum length.

2. Masonry Nails: ASTM F1667, Type I, Style 17, 19 mm (3/4 inch) minimum length.

3. Screws: FS-FF-S-107, Type A, AB, SF thread forming or cutting.

E. Welding Materials: AWS D1.4/D1.4M, type to suit application.

PART 3 - EXECUTION

3.1 INSTALLATION - GENERAL

A. Install products according to manufacturer's instructions and approved submittal drawings.

1. When manufacturer's instructions deviate from specifications, submit proposed resolution for Contracting Officer's Representative consideration.

B. Keep finish work free from mortar smears or spatters, and leave neat and clean.

C. Tooling Joints:

1. Do not tool until mortar has stiffened enough to retain thumb print when thumb is pressed against mortar.

2. Tool while mortar is soft enough to be compressed into joints and not raked out.

3. Finish joints in exterior face masonry work with jointing tool, and provide smooth, water-tight joint similar to joints in adjacent brick walls.

D. Wall, Furring, and Partition Units:

1. Lay out field units to match bond of adjacent building.

2. Align head joints of matching vertical courses.

3. Minimum Masonry Unit Length: 100 mm (4 inches).

E. Structural Steel Encased in Masonry:

1. Where structural steel is encased in masonry and voids between steel and masonry are filled with mortar, provide minimum 25 mm (1 inch) mortar free expansion space between masonry and steel by applying box board material to steel before masonry is laid.

F. Wetting:

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1. Do not wet concrete masonry units before laying.

G. Temporary Formwork: Provide formwork and shores as required for temporary support of reinforced masonry elements.

3.2 INSTALLATION - ANCHORAGE

A. Anchorage to Steel Columns:

1. Weld steel rod to steel columns at 300 mm (12 inch) intervals, and place wire ties in masonry courses at 400 mm (16 inches) maximum vertically.

3.3 INSTALLATION - REINFORCEMENT

A. Joint Reinforcement:

1. Locate wire brick joint reinforcement in mortar joints at 400 mm

(16 inch) maximum vertical intervals.

B. Steel Reinforcing Bars:

1. Install one row 3/8" steel reinforcing bars in bond beam at top of brick bases for horizontal reinforcement.

2. Bond Beam:

a. Form Bond beam of 3,000psi air-entrained concrete. Do not cut reinforcement.

b. Brake bond beam only at control joints.

3.4 INSTALLATION - BRICK CONTROL JOINTS

A. Provide brick control joints (CJ) described here and where indicated on drawings.

B. Keep joint free of mortar and other debris.

C. Joints Occur In Masonry Walls:

1. Install preformed compressible joint filler in brick wythe.

D. Use standard notched concrete masonry units (sash blocks) made in full and half-length units where shear keys are used to create a continuous vertical joint.

E. Interrupt joint reinforcement at control joints.

F. Fill opening in exposed face of control joints with sealant as specified in Section 07 92 00, JOINT SEALANTS.

3.5 INSTALLATION - BRICKWORK

A. Lay clay brick according to BIA TN 11B.

B. Laying:

1. Match bond of existing adjacent (VA) building.

2. Maintain bond pattern throughout.

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3. Do not use brick smaller than half-brick at any angle, corner, break, and jamb.

4. Where length of cut brick is greater than one half length, maintain vertical joint location.

5. Lay exposed brickwork joints symmetrical about center lines of openings.

Before starting work, lay facing brick on foundation wall and adjust bond corners.

C. Joints:

1. Exterior Joint Widths: Lay for three equal joints in 200 mm

(8 inches) vertically.

3.6 POINTING

A. Fill joints with pointing mortar using rubber float trowel to apply mortar solidly into raked joints.

B. Tool exposed joints to match joints in adjacent VA building.

3.7 GROUTING - Provide grout to fill bottom of base up to bottom of weeps.

Level of weeps shall be two rows higher than finished grade at highpoint.

3.8 CONSTRUCTION TOLERANCES

A. Lay masonry units plumb, level and true to line within tolerances according to ACI 530.1/ASCE 6/TMS 602 and as follows:

B. Maximum variation from plumb:

1. In 3000 mm (10 feet) - 6 mm (1/4 inch).

C. Maximum variation from level:

1. Up to 6000 mm (20 feet) - 6 mm (1/4 inch).

D. Maximum variation in cross-sectional dimensions of walls from dimensions shown:

1. Minus 6 mm (1/4 inch).

2. Plus 13 mm (1/2 inch).

3.9 CLEANING AND REPAIR

A. General:

1. Clean exposed masonry surfaces on completion.

2. Protect adjoining construction materials and landscaping during cleaning operations.

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3. Cut out defective exposed new joints to depth of approximately 19 mm

(3/4 inch) and repoint.

4. Remove mortar droppings and other foreign substances from wall surfaces.

5. First wet surfaces with clean water, then wash down with detergent solution. Do not use muriatic acid.

6. Brush with stiff fiber brushes while washing, and immediately wash with clean water.

7. Remove traces of detergent, foreign streaks, or stains of any nature.

Bid

11-01-18

05 12 00 - 1

SECTION 05 12 00

STRUCTURAL STEEL FRAMING AND CONNECTIONS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Structural steel shapes.

2. Bolts, nuts, and washers.

3. Connections to existing building structures.

1.2 RELATED REQUIREMENTS

A. Steel Finishes: Section 09 06 00, SCHEDULE FOR FINISHES.

B. Steel Support: Section 10 13 00, DIRECTORIES.

C. Painting: Section 09 91 00, PAINTING.

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American Institute of Steel Construction (AISC):

1. AISC Manual - Steel Construction Manual, 14th Ed.

C. American Welding Society (AWS):

1. D1.1/D1.1M-15 - Structural Welding Code - Steel.

D. ASTM International (ASTM):

1. A6/A6M-14 - General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling.

2. A36/A36M-14 - Carbon Structural Steel.

3. A123/A123M-15 - Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel

Products.

4. A307-14 - Carbon Steel Bolts, Studs, and Threaded Rod 60,000 PSI

Tensile Strength.

5. A500/A500M-13 - Cold-Formed Welded and Seamless Carbon Steel

Structural Tubing and Rounds and Shapes.

6. A501/A501M-14 - Hot-Formed Welded and Seamless Carbon Steel

Structural Tubing and Rounds and Shapes.

7. A992/A992M-15 - Structural Shapes.

8. F2329/F2329M-15 - Zinc Coating, Hot-Dip, Requirements for

Application to Carbon and Alloy steel Bolts, Screws, washers, Nuts, and Special Threaded Fasteners.

E. Master Painters Institute (MPI):

1. No. 18 - Primer, Zinc Rich, Organic.

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F. Military Specifications (Mil. Spec.):

1. MIL-P-21035 - Paint, High Zinc Dust Content, Galvanizing, Repair.

G. Occupational Safety and Health Administration (OSHA):

1. 29 CFR 1926.752(e) - Guidelines For Establishing The Components Of A

Site-Specific Erection Plan.

2. 29 CFR 1926-2001 - Safety Standards for Steel Erection.

1.4 SUBMITTALS

A. Submittal Procedures: Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Submittal Drawings:

1. Show size, configuration, and fabrication and installation details.

C. Test Reports: Certify products comply with specifications.

1. Welders' qualifying tests.

D. Certificates: Certify each product complies with specifications.

1. Structural steel.

2. Steel connections including anchors to building structure.

3. Welding materials.

4. Shop coat primer paint.

E. Product Data.

1. All connection devices showing strength and manufacturers' instructions for application and protection from galvanic action and weathering.

F. Qualifications: Substantiate qualifications comply with specifications.

G. Delegated Design Drawings and Calculations: Signed and sealed by responsible Architect/Engineer.

1. Connection calculations.

2. Pull-out strength required for anchors attached to building structure.

H. Record Surveys: Signed and sealed by responsible surveyor or engineer -survey of installation locations.

1.5 QUALITY ASSURANCE

A. Fabricator Qualifications: AISC Quality Certification participant designated as AISC Certified Plant, Category STD.

1. Regularly fabricates specified products.

2. Fabricated specified products with satisfactory service on five similar installations for minimum five years.

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B. Installer Qualifications:

1. Regularly installs specified products.

2. Installed specified products with satisfactory service on five similar installations for minimum five years.

1.6 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, "Warranty of

Construction."

PART 2 - PRODUCTS

2.1 SYSTEM PERFORMANCE

A. Delegated Design: Prepare submittal documents including design calculations and drawings signed and sealed by registered design professional, licensed in state where project is located.

B. Design structural steel connections complying with specified performance:

1. Load Capacity: Account for connection and member loads and eccentricities.

2. Configuration: Design and detail all connections for each member size, steel grade and connection type to resist the wind and dead loads. Use details consistent with sign shapes shown on drawings and designed by sign fabricator, supplementing where necessary. The details shown on drawings are conceptual and do not indicate the required weld sizes or number of bolts. Use rational engineering design and standard practice in detailing, accounting for all loads and eccentricities in both the connection and the members and the existing building structure for wall-mounted signage. Promptly notify the COR of any location where the bearing or attachment area is not suitable. The design of all connections is subject to the review and acceptance of the COR. Submit structural calculations prepared and sealed by a qualified engineer registered in the state where the project is located. Submit calculations for review before preparation of detail drawings.

2.2 MATERIALS

Shapes selected are at the discretion of the delegated design. The monumental signs are based on a maximum depth of 4-inches and a 4x4 tube is shown on drawings.

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A. W-Shapes:

1. ASTM A992/A992M.

2. ASTM A572/A572M; Grade 50.

3. ASTM A529; Grade 50.

B. Channel and Angles:

1. ASTM A36/A36M.

2. ASTM A572/A572M; Grade 50.

3. ASTM A529; Grade 50.

C. Plates and Bars:

1. ASTM A36/A36M.

2. ASTM A572/A572M; Grade 50.

3. ASTM A529; Grade 50.

D. Hollow Structural Sections:

1. ASTM A500/A500M.

2. ASTM A501/A501M.

E. Structural Pipe: ASTM A53/A53M, Grade B.

F. Bolts, Nuts and Washers: Galvanized for galvanized framing.

1. High-strength bolts, including nuts and washers: ASTM F3125.

2. Bolts and nuts, other than high-strength: ASTM A307, Grade A.

3. Plain washers, other than those in contact with high-strength bolt heads and nuts: ASME B18.22.1.

G. Welding Materials: AWS D1.1, type to suit application.

2.3 PRODUCTS - GENERAL

A. Basis of Design: Section 09 06 00, SCHEDULE FOR FINISHES.

2.4 FABRICATION

A. Fabricate structural steel according to Chapter M, AISC 360.

B. Shop and Field Connections:

1. Weld connections according to AWS D1.1/D1.1M. Welds shall be made only by welders and welding operators who have been previously qualified by tests as prescribed in AWS D1.1 to perform type of work required.

2. High-Strength Bolts: High-strength bolts tightened to a bolt tension minimum 70 percent of their minimum tensile strength. Tightening done with properly calibrated wrenches, by turn-of-nut method or by use of direct tension indicators (bolts or washers). Tighten bolts in connections identified as slip-critical using Direct Tension

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Indicators. Twist-off torque bolts are not an acceptable alternate fastener for slip critical connections.

2.5 FINISHES

A. Shop Priming:

1. Prime paint structural steel according to AISC 303, Section 6.

B. Shop Finish Painting: Apply primer and finish paint as specified in

Section 09 91 00, PAINTING.

C. Do not paint:

1. Surfaces within 50 mm (2 inches) of field welded joints.

2. Surfaces indicated to be encased in concrete.

3. Surfaces receiving sprayed on fireproofing.

D. Structural Steel Galvanizing: ASTM A123/A123M, hot dipped, after fabrication. Touch-up after erection: Clean and wire brush any abraded and other spots worn through zinc coating, including threaded portions of bolts and welds and touch-up with galvanizing repair paint.

1. Galvanize structural steel framing installed at exterior locations.

E. Bolts, Nuts, and Washers Galvanizing: ASTM F2329, hot-dipped.

2.6 ACCESSORIES

A. General: Shop paint steel according to AISC 303, Section 6.

B. Finish Paint System: Primer and finish as specified in Section

09 91 00, PAINTING.

C. Galvanizing Repair Paint: MPI No. 18.

PART 3 - EXECUTION

3.1 ERECTION

A. Erect structural steel according to AISC 303 and AISC 360.

B. Set structural steel accurately at locations and elevations indicated on drawings.

C. Maintain erection tolerances of structural steel within AISC 303 requirements.

D. Weld and bolt connections as specified for shop connections.

3.2 FIELD PAINTING

A. After welding, clean and prime weld areas to match adjacent finish.

B. Touch-up primer damaged by construction operations.

C. Apply galvanizing repair paint to galvanized coatings damaged by construction operations.

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D. Finish Painting: As specified in Section 09 91 00, PAINTING.

3.3 FIELD QUALITY CONTROL

A. Record Survey:

1. Measure and record structural steel framing plumbness, level, and alignment after completing bolting and welding and before installation of work supported by structural steel.

2. Identify deviations from allowable tolerances specified in

AISC Manual.

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SECTION 07 84 00

FIRESTOPPING

PART 1 - GENERAL

1.1 DESCRIPTION:

A. The work in this project may create penetrations or openings in rated walls that must be closed.

B. Provide UL or equivalent approved firestopping system for the closures of openings in walls, floors, and roof decks against penetration of flame, heat, and smoke or gases in fire resistant rated construction.

1.2 RELATED WORK:

A. Sealants and application.

1.3 SUBMITTALS:

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT

DATA, AND SAMPLES.

B. Manufacturers literature, data, and installation instructions for types of firestopping and smoke stopping used.

C. List of FM, UL, or WH classification number of systems installed.

D. Certified laboratory test reports for ASTM E814 tests for systems not listed by FM, UL, or WH proposed for use.

1.4 DELIVERY AND STORAGE:

A. Deliver materials in their original unopened containers with manufacturer’s name and product identification.

B. Store in a location providing protection from damage and exposure to the elements.

1.5 QUALITY ASSURANCE:

A. FM, UL, or WH or other approved laboratory tested products will be acceptable.

B. Installer Qualifications: A firm that has been approved by FM Global according to FM Global 4991 or been evaluated by UL and found to comply with UL’s “Qualified Firestop Contractor Program Requirements.” Submit qualification data.

1.6 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to the extent referenced. Publications are referenced in the text by the basic designation only.

B. ASTM International (ASTM):

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E84-14 ................. Surface Burning Characteristics of Building

Materials

E699-09 ................ Standard Practice for Evaluation of Agencies

Involved in Testing, Quality Assurance, and

Evaluating of Building Components

E814-13a ............... Fire Tests of Through-Penetration Fire Stops

E2174-14 ............... Standard Practice for On-Site Inspection of

Installed Firestops

E2393-10a .............. Standard Practice for On-Site Inspection of

Installed Fire Resistive Joint Systems and

Perimeter Fire Barriers

C. FM Global (FM):

Annual Issue Approval Guide Building Materials

4991-13 ................ Approval of Firestop Contractors

D. Underwriters Laboratories, Inc. (UL):

Annual Issue Building Materials Directory

Annual Issue Fire Resistance Directory

723-10(2008) ........... Standard for Test for Surface Burning

Characteristics of Building Materials

1479-04(R2014) ......... Fire Tests of Through-Penetration Firestops

E. Intertek Testing Services - Warnock Hersey (ITS-WH):

Annual Issue Certification Listings

F. Environmental Protection Agency (EPA):

40 CFR 59(2014) ........ National Volatile Organic Compound Emission

Standards for Consumer and Commercial Products

PART 2 - PRODUCTS

2.1 FIRESTOP SYSTEMS:

A. Provide either factory built (Firestop Devices) or field erected

(through-Penetration Firestop Systems) to form a specific building system maintaining required integrity of the fire barrier and stop the passage of gases or smoke. Firestop systems to accommodate building movements without impairing their integrity.

B. Through-penetration firestop systems and firestop devices tested in accordance with ASTM E814 or UL 1479 using the "F" or "T" rating to maintain the same rating and integrity as the fire barrier being sealed. "T" ratings are not required for penetrations smaller than or

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07 84 00 - 3 equal to 101 mm (4 in.) nominal pipe or 0.01 sq. m (16 sq. in.) in overall cross sectional area.

C. Firestop sealants used for firestopping or smoke sealing to have the following properties:

1. Contain no flammable or toxic solvents.

2. Release no dangerous or flammable out gassing during the drying or curing of products.

3. Water-resistant after drying or curing and unaffected by high humidity, condensation or transient water exposure.

4. When installed in exposed areas, capable of being sanded and finished with similar surface treatments as used on the surrounding wall or floor surface.

5. VOC Content: Firestopping sealants and sealant primers to comply with the following limits for VOC content when calculated according to 40 CFR 59, (EPA Method 24):

a. Sealants: 250 g/L.

b. Sealant Primers for Nonporous Substrates: 250 g/L.

c. Sealant Primers for Porous Substrates: 775 g/L.

D. Firestopping system or devices used for penetrations by glass pipe, plastic pipe or conduits, unenclosed cables, or other non-metallic materials to have following properties:

1. Classified for use with the particular type of penetrating material used.

2. Penetrations containing loose electrical cables, computer data cables, and communications cables protected using firestopping systems that allow unrestricted cable changes without damage to the seal.

E. Maximum flame spread of 25 and smoke development of 50 when tested in accordance with ASTM E84 or UL 723. Material to be an approved firestopping material as listed in UL Fire Resistance Directory or by a nationally recognized testing laboratory.

F. FM, UL, or WH rated or tested by an approved laboratory in accordance with ASTM E814.

G. Materials to be nontoxic and noncarcinogen at all stages of application or during fire conditions and to not contain hazardous chemicals. Provide firestop material that is free from Ethylene Glycol, PCB, MEK, and asbestos.

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H. For firestopping exposed to view, traffic, moisture, and physical damage, provide products that do not deteriorate when exposed to these conditions.

1. For piping penetrations for plumbing and wet-pipe sprinkler systems, provide moisture-resistant through-penetration firestop systems.

2. For floor penetrations with annular spaces exceeding 101 mm (4 in.)

or more in width and exposed to possible loading and traffic, provide firestop systems capable of supporting the floor loads involved either by installing floor plates or by other means acceptable to the firestop manufacturer.

3. For penetrations involving insulated piping, provide through-penetration firestop systems not requiring removal of insulation.

2.2 SMOKE STOPPING IN SMOKE PARTITIONS:

A. Provide silicone sealant in smoke partitions.

B. Provide mineral fiber filler and bond breaker behind sealant.

C. Sealants to have a maximum flame spread of 25 and smoke developed of 50 when tested in accordance with ASTM E84.

D. When used in exposed areas capable of being sanded and finished with similar surface treatments as used on the surrounding wall or floor surface.

PART 3 - EXECUTION

3.1 EXAMINATION:

A. Submit product data and installation instructions, as required by article, submittals, after an on-site examination of areas to receive firestopping.

B. Examine substrates and conditions with installer present for compliance with requirements for opening configuration, penetrating items, substrates, and other conditions affecting performance of firestopping.

Do not proceed with installation until unsatisfactory conditions have been corrected.

3.2 PREPARATION:

A. Remove dirt, grease, oil, laitance and form-release agents from concrete, loose materials, or other substances that prevent adherence and bonding or application of the firestopping or smoke stopping materials.

B. Remove insulation on insulated pipe for a distance of 150 mm (6 inches) on each side of the fire rated assembly prior to applying the

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07 84 00 - 5 firestopping materials unless the firestopping materials are tested and approved for use on insulated pipes.

C. Prime substrates where required by joint firestopping system manufacturer using that manufacturer’s recommended products and methods. Confine primers to areas of bond; do not allow spillage and migration onto exposed surfaces.

D. Masking Tape: Apply masking tape to prevent firestopping from contacting adjoining surfaces that will remain exposed upon completion of work and that would otherwise be permanently stained or damaged by such contact or by cleaning methods used to remove smears from firestopping materials. Remove tape as soon as it is possible to do so without disturbing seal of firestopping with substrates.

3.3 INSTALLATION:

A. Do not begin firestopping work until the specified material data and installation instructions of the proposed firestopping systems have been submitted and approved.

B. Install firestopping systems with smoke stopping in accordance with FM, UL, WH, or other approved system details and installation instructions.

C. Install smoke stopping seals in smoke partitions.

3.4 CLEAN-UP:

A. As work on each floor is completed, remove materials, litter, and debris.

B. Clean up spills of liquid type materials.

C. Clean off excess fill materials and sealants adjacent to openings and joints as work progresses by methods and with cleaning materials approved by manufacturers of firestopping products and of products in which opening, and joints occur.

D. Protect firestopping during and after curing period from contact with contaminating substances or from damage resulting from construction operations or other causes so that they are without deterioration or damage at time of Substantial Completion. If, despite such protection, damage or deterioration occurs, cut out and remove damaged or deteriorated firestopping immediately and install new materials to provide firestopping complying with specified requirements.

3.5 INSPECTIONS AND ACCEPTANCE OF WORK:

A. Do not conceal or enclose firestop assemblies until inspection is complete and approved by the Contracting Officer Representative (COR).

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B. Furnish service of approved inspector to inspect firestopping in accordance with ASTM E2393 and ASTM E2174 for firestop inspection, and document inspection results. Submit written reports indicating locations of and types of penetrations and type of firestopping used at each location; type is to be recorded by UL listed printed numbers.

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SECTION 09 91 00

PAINTING

PART 1 - GENERAL

1.1 DESCRIPTION:

A. Work of this Section includes all labor, materials, equipment, and services necessary to complete the painting and finishing as shown on the construction documents and/or specified herein, including, but not limited to, the following:

1. Prime coats which may be applied in shop under other sections.

2. Prime painting unprimed surfaces to be painted under this Section.

3. Painting items furnished with a prime coat of paint, including touching up of or repairing of abraded, damaged or rusted prime coats applied by others.

4. Painting ferrous metal (except stainless steel) exposed to view.

5. Painting galvanized ferrous metals exposed to view.

6. Painting concrete and concrete block exposed to view.

7. Painting gypsum drywall exposed to view.

8. Incidental painting and touching up as required to produce proper finish for painted surfaces, including touching up of factory finished items.

9. Painting of any surface not specifically mentioned to be painted herein or on construction documents, but for which painting is obviously necessary to complete the job, or work which comes within the intent of these specifications, is to be included as though specified.

1.2 RELATED WORK:

A. Shop prime painting of steel and ferrous metals: Division 05 - METALS.

Division 10 - SPECIALTIES; Division 26 - ELECTRICAL;

1.3 SUBMITTALS:

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. Manufacturer's Literature and Data:

1. Before work is started, or sample panels are prepared, submit manufacturer's literature and technical data, the current Master

Painters Institute (MPI) "Approved Product List" indicating brand label, product name and product code as of the date of contract award, will be used to determine compliance with the submittal requirements of

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09 91 00 - 2 this specification. The Contractor may choose to use subsequent MPI

"Approved Product List", however, only one (1) list may be used for the entire contract and each coating system is to be from a single manufacturer. All coats on a particular substrate must be from a single manufacturer. No variation from the MPI "Approved Product List" where applicable is acceptable.

1.4 DELIVERY AND STORAGE:

A. Deliver materials to site in manufacturer's sealed container marked to show following:

1. Name of manufacturer.

2. Product type.

3. Batch number.

4. Instructions for use.

5. Safety precautions.

B. Maintain space for storage, and handling of painting materials and equipment in a ventilated, neat and orderly condition to prevent spontaneous combustion from occurring or igniting adjacent items.

C. Store materials at site at least 24 hours before using, at a temperature between 7 and 30 degrees C (45 and 85 degrees F).

1.5 QUALITY ASSURANCE:

A. Qualification of Painters: Use only qualified journeyman painters for the mixing and application of paint on exposed surfaces.

B. Paint Coordination: Provide finish coats which are compatible with the prime paints used. Review other Sections of these specifications in which prime paints are to be provided to ensure compatibility of the total coatings system for the various substrates. Upon request from other subcontractors, furnish information on the characteristics of the finish materials proposed to be used, to ensure that compatible prime coats are used. Provide barrier coats over incompatible primers or remove and re-prime as required. Notify the Contracting Officer Representative (COR) in writing of any anticipated problems using the coating systems as specified with substrates primed by others.

1.7 REGULATORY REQUIREMENTS:

A. Paint materials are to conform to the restrictions of the local

Environmental and Toxic Control jurisdiction.

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1. Volatile Organic Compounds (VOC) Emissions Requirements: Field-applied paints and coatings that are inside the waterproofing system to not exceed limits of authorities having jurisdiction.

2. Asbestos: Provide materials that do not contain asbestos.

3. Chromate, Cadmium, Mercury, and Silica: Provide materials that do not contain zinc-chromate, strontium-chromate, Cadmium, mercury or mercury compounds or free crystalline silica.

4. Human Carcinogens: Provide materials that do not contain any of the

ACGIH-BKLT and ACGHI-DOC confirmed or suspected human carcinogens.

5. Use high performance acrylic paints in place of alkyd paints.

1.8 SAFETY AND HEALTH

A. Apply paint materials using safety methods and equipment in accordance with the following:

1. Comply with applicable Federal, State, and local laws and regulations, and with the ACCIDENT PREVENTION PLAN, including the Activity Hazard

Analysis (AHA) as specified in Section 01 35 26, SAFETY REQUIREMENTS.

The AHA is to include analyses of the potential impact of painting operations on painting personnel and on others involved in and adjacent to the work zone.

B. Safety Methods Used During Paint Application: Comply with the requirements of SSPC PA Guide 10.

C. Toxic Materials: To protect personnel from overexposure to toxic materials, conform to the most stringent guidance of:

1. The applicable manufacturer’s Material Safety Data Sheets (MSDS) or local regulation.

2. 29 CFR 1910.1000.

3. ACHIH-BKLT and ACGHI-DOC, threshold limit values.

1.9 APPLICABLE PUBLICATIONS:

A. Publications listed below form a part…